diff options
Diffstat (limited to 'src')
60 files changed, 5654 insertions, 776 deletions
diff --git a/src/Bindings/DeprecatedBindings.cpp b/src/Bindings/DeprecatedBindings.cpp index ded7a0142..345ab2a07 100644 --- a/src/Bindings/DeprecatedBindings.cpp +++ b/src/Bindings/DeprecatedBindings.cpp @@ -7,6 +7,9 @@ #include "../BlockInfo.h" +#include "../World.h" +#include "../Entities/Player.h" +#include "LuaState.h" @@ -222,6 +225,64 @@ static int tolua_get_AllToLua_g_BlockFullyOccupiesVoxel(lua_State* tolua_S) +/** function: cWorld:SetSignLines */ +static int tolua_cWorld_SetSignLines(lua_State * tolua_S) +{ + cLuaState LuaState(tolua_S); + + #ifndef TOLUA_RELEASE + tolua_Error tolua_err; + if ( + !tolua_isusertype (LuaState, 1, "cWorld", 0, &tolua_err) || + !tolua_isnumber (LuaState, 2, 0, &tolua_err) || + !tolua_isnumber (LuaState, 3, 0, &tolua_err) || + !tolua_isnumber (LuaState, 4, 0, &tolua_err) || + !tolua_iscppstring(LuaState, 5, 0, &tolua_err) || + !tolua_iscppstring(LuaState, 6, 0, &tolua_err) || + !tolua_iscppstring(LuaState, 7, 0, &tolua_err) || + !tolua_iscppstring(LuaState, 8, 0, &tolua_err) || + !tolua_isusertype (LuaState, 9, "cPlayer", 1, &tolua_err) || + !tolua_isnoobj (LuaState, 10, &tolua_err) + ) + goto tolua_lerror; + else + #endif + { + cWorld * self = (cWorld *) tolua_tousertype (LuaState, 1, nullptr); + int BlockX = (int) tolua_tonumber (LuaState, 2, 0); + int BlockY = (int) tolua_tonumber (LuaState, 3, 0); + int BlockZ = (int) tolua_tonumber (LuaState, 4, 0); + const AString Line1 = tolua_tocppstring(LuaState, 5, 0); + const AString Line2 = tolua_tocppstring(LuaState, 6, 0); + const AString Line3 = tolua_tocppstring(LuaState, 7, 0); + const AString Line4 = tolua_tocppstring(LuaState, 8, 0); + cPlayer * Player = (cPlayer *)tolua_tousertype (LuaState, 9, nullptr); + #ifndef TOLUA_RELEASE + if (self == nullptr) + { + tolua_error(LuaState, "invalid 'self' in function 'UpdateSign'", nullptr); + } + #endif + { + bool res = self->SetSignLines(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player); + tolua_pushboolean(LuaState, res ? 1 : 0); + } + } + LOGWARNING("Warning in function call 'UpdateSign': UpdateSign() is deprecated. Please use SetSignLines()"); + LuaState.LogStackTrace(0); + return 1; + + #ifndef TOLUA_RELEASE +tolua_lerror: + tolua_error(LuaState, "#ferror in function 'UpdateSign'.", &tolua_err); + return 0; + #endif +} + + + + + void DeprecatedBindings::Bind(lua_State * tolua_S) { tolua_beginmodule(tolua_S, nullptr); @@ -235,6 +296,10 @@ void DeprecatedBindings::Bind(lua_State * tolua_S) tolua_array(tolua_S, "g_BlockIsSolid", tolua_get_AllToLua_g_BlockIsSolid, nullptr); tolua_array(tolua_S, "g_BlockFullyOccupiesVoxel", tolua_get_AllToLua_g_BlockFullyOccupiesVoxel, nullptr); + tolua_beginmodule(tolua_S, "cWorld"); + tolua_function(tolua_S, "UpdateSign", tolua_cWorld_SetSignLines); + tolua_endmodule(tolua_S); + tolua_endmodule(tolua_S); } diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h index d1e9923b4..c13e36188 100644 --- a/src/Bindings/LuaState.h +++ b/src/Bindings/LuaState.h @@ -247,7 +247,11 @@ public: template <typename FnT, typename... Args> bool Call(const FnT & a_Function, Args &&... args) { - PushFunction(a_Function); + if (!PushFunction(a_Function)) + { + // Pushing the function failed + return false; + } return PushCallPop(args...); } diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp index a4a5d79b4..750f7c65a 100644 --- a/src/Bindings/ManualBindings.cpp +++ b/src/Bindings/ManualBindings.cpp @@ -1034,11 +1034,11 @@ static int tolua_cWorld_SetSignLines(lua_State * tolua_S) #ifndef TOLUA_RELEASE if (self == nullptr) { - tolua_error(tolua_S, "invalid 'self' in function 'SetSignLines' / 'UpdateSign'", nullptr); + tolua_error(tolua_S, "invalid 'self' in function 'SetSignLines'", nullptr); } #endif { - bool res = self->UpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player); + bool res = self->SetSignLines(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player); tolua_pushboolean(tolua_S, res ? 1 : 0); } } @@ -1046,7 +1046,7 @@ static int tolua_cWorld_SetSignLines(lua_State * tolua_S) #ifndef TOLUA_RELEASE tolua_lerror: - tolua_error(tolua_S, "#ferror in function 'SetSignLines' / 'UpdateSign'.", &tolua_err); + tolua_error(tolua_S, "#ferror in function 'SetSignLines'.", &tolua_err); return 0; #endif } @@ -3368,6 +3368,7 @@ void ManualBindings::Bind(lua_State * tolua_S) tolua_beginmodule(tolua_S, "cRoot"); tolua_function(tolua_S, "FindAndDoWithPlayer", tolua_DoWith <cRoot, cPlayer, &cRoot::FindAndDoWithPlayer>); + tolua_function(tolua_S, "DoWithPlayerByUUID", tolua_DoWith <cRoot, cPlayer, &cRoot::DoWithPlayerByUUID>); tolua_function(tolua_S, "ForEachPlayer", tolua_ForEach<cRoot, cPlayer, &cRoot::ForEachPlayer>); tolua_function(tolua_S, "ForEachWorld", tolua_ForEach<cRoot, cWorld, &cRoot::ForEachWorld>); tolua_function(tolua_S, "GetFurnaceRecipe", tolua_cRoot_GetFurnaceRecipe); @@ -3389,6 +3390,7 @@ void ManualBindings::Bind(lua_State * tolua_S) tolua_function(tolua_S, "DoWithFlowerPotAt", tolua_DoWithXYZ<cWorld, cFlowerPotEntity, &cWorld::DoWithFlowerPotAt>); tolua_function(tolua_S, "DoWithPlayer", tolua_DoWith< cWorld, cPlayer, &cWorld::DoWithPlayer>); tolua_function(tolua_S, "FindAndDoWithPlayer", tolua_DoWith< cWorld, cPlayer, &cWorld::FindAndDoWithPlayer>); + tolua_function(tolua_S, "DoWithPlayerByUUID", tolua_DoWith< cWorld, cPlayer, &cWorld::DoWithPlayerByUUID>); tolua_function(tolua_S, "ForEachBlockEntityInChunk", tolua_ForEachInChunk<cWorld, cBlockEntity, &cWorld::ForEachBlockEntityInChunk>); tolua_function(tolua_S, "ForEachChestInChunk", tolua_ForEachInChunk<cWorld, cChestEntity, &cWorld::ForEachChestInChunk>); tolua_function(tolua_S, "ForEachEntity", tolua_ForEach< cWorld, cEntity, &cWorld::ForEachEntity>); @@ -3403,7 +3405,6 @@ void ManualBindings::Bind(lua_State * tolua_S) tolua_function(tolua_S, "ScheduleTask", tolua_cWorld_ScheduleTask); tolua_function(tolua_S, "SetSignLines", tolua_cWorld_SetSignLines); tolua_function(tolua_S, "TryGetHeight", tolua_cWorld_TryGetHeight); - tolua_function(tolua_S, "UpdateSign", tolua_cWorld_SetSignLines); tolua_endmodule(tolua_S); tolua_beginmodule(tolua_S, "cMapManager"); diff --git a/src/BiomeDef.cpp b/src/BiomeDef.cpp index 02f8c2232..188e06173 100644 --- a/src/BiomeDef.cpp +++ b/src/BiomeDef.cpp @@ -160,3 +160,65 @@ bool IsBiomeNoDownfall(EMCSBiome a_Biome) } } } + + + + + +bool IsBiomeVeryCold(EMCSBiome a_Biome) +{ + switch (a_Biome) + { + case biFrozenOcean: + case biFrozenRiver: + case biIcePlains: + case biIceMountains: + case biColdBeach: + case biColdTaiga: + case biColdTaigaHills: + case biIcePlainsSpikes: + case biColdTaigaM: + { + return true; + } + default: + { + return false; + } + } +} + + + + +bool IsBiomeCold(EMCSBiome a_Biome) +{ + switch (a_Biome) + { + case biExtremeHills: + case biTaiga: + case biTaigaHills: + case biExtremeHillsEdge: + case biStoneBeach: + case biMegaTaiga: + case biMegaTaigaHills: + case biExtremeHillsPlus: + case biExtremeHillsM: + case biTaigaM: + case biColdTaigaM: + case biMegaSpruceTaiga: + case biMegaSpruceTaigaHills: + case biExtremeHillsPlusM: + { + return true; + } + default: + { + return false; + } + } +} + + + + diff --git a/src/BiomeDef.h b/src/BiomeDef.h index f929596e9..84751cfd7 100644 --- a/src/BiomeDef.h +++ b/src/BiomeDef.h @@ -113,5 +113,20 @@ extern AString BiomeToString(int a_Biome); /** Returns true if the biome has no downfall - deserts and savannas */ extern bool IsBiomeNoDownfall(EMCSBiome a_Biome); +/** Returns true if the biome is an ocean biome. */ +inline bool IsBiomeOcean(int a_Biome) +{ + return ((a_Biome == biOcean) || (a_Biome == biDeepOcean)); +} + +/** Returns true if the biome is very cold +(has snow on ground everywhere, turns top water to ice, has snowfall instead of rain everywhere). +Doesn't report mildly cold biomes (where it snows above certain elevation), use IsBiomeCold() for those. */ +extern bool IsBiomeVeryCold(EMCSBiome a_Biome); + +/** Returns true if the biome is cold +(has snow and snowfall at higher elevations but not at regular heights). +Doesn't report Very Cold biomes, use IsBiomeVeryCold() for those. */ +extern bool IsBiomeCold(EMCSBiome a_Biome); // tolua_end diff --git a/src/BlockID.cpp b/src/BlockID.cpp index c0f3193bb..c98e0cad1 100644 --- a/src/BlockID.cpp +++ b/src/BlockID.cpp @@ -217,7 +217,12 @@ BLOCKTYPE BlockStringToType(const AString & a_BlockTypeString) bool StringToItem(const AString & a_ItemTypeString, cItem & a_Item) { - return gsBlockIDMap.ResolveItem(TrimString(a_ItemTypeString), a_Item); + AString ItemName = TrimString(a_ItemTypeString); + if (ItemName.substr(0, 10) == "minecraft:") + { + ItemName = ItemName.substr(10); + } + return gsBlockIDMap.ResolveItem(ItemName, a_Item); } diff --git a/src/BlockID.h b/src/BlockID.h index bb06722d2..24de2dc8a 100644 --- a/src/BlockID.h +++ b/src/BlockID.h @@ -1,7 +1,13 @@ #pragma once +// The following hackery is to allow typed C++ enum for C++ code, yet have ToLua process the values. +// ToLua doesn't understand typed enums, so we use preprocessor to hide it from ToLua. + +enum ENUM_BLOCK_ID : BLOCKTYPE +#if 0 +enum ENUM_BLOCK_ID // tolua_export +#endif // tolua_begin -enum ENUM_BLOCK_ID { E_BLOCK_AIR = 0, E_BLOCK_STONE = 1, @@ -221,6 +227,10 @@ enum ENUM_BLOCK_ID }; // tolua_end + + + + // tolua_begin enum ENUM_ITEM_ID { diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 799aa3b58..7ba7e9469 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -9,6 +9,7 @@ include_directories (SYSTEM "${CMAKE_CURRENT_SOURCE_DIR}/../lib/polarssl/include set(FOLDERS OSSupport HTTPServer Items Blocks Protocol Generating PolarSSL++ Bindings WorldStorage Mobs Entities Simulator UI BlockEntities Generating/Prefabs + Noise ) SET (SRCS @@ -50,7 +51,6 @@ SET (SRCS MobProximityCounter.cpp MobSpawner.cpp MonsterConfig.cpp - Noise.cpp ProbabDistrib.cpp RankManager.cpp RCONServer.cpp @@ -65,7 +65,8 @@ SET (SRCS VoronoiMap.cpp WebAdmin.cpp World.cpp - main.cpp) + main.cpp +) SET (HDRS AllocationPool.h @@ -119,7 +120,6 @@ SET (HDRS MobProximityCounter.h MobSpawner.h MonsterConfig.h - Noise.h ProbabDistrib.h RankManager.h RCONServer.h @@ -136,7 +136,8 @@ SET (HDRS VoronoiMap.h WebAdmin.h World.h - XMLParser.h) + XMLParser.h +) include_directories(".") include_directories ("${CMAKE_CURRENT_SOURCE_DIR}/../lib/sqlite") @@ -313,7 +314,7 @@ endif () if (NOT MSVC) target_link_libraries(${EXECUTABLE} - OSSupport HTTPServer Bindings Items Blocks + OSSupport HTTPServer Bindings Items Blocks Noise Protocol Generating Generating_Prefabs WorldStorage Mobs Entities Simulator UI BlockEntities PolarSSL++ ) diff --git a/src/Chunk.cpp b/src/Chunk.cpp index dedc55d94..a43a95a2b 100644 --- a/src/Chunk.cpp +++ b/src/Chunk.cpp @@ -25,7 +25,7 @@ #include "BlockEntities/FlowerPotEntity.h" #include "Entities/Pickup.h" #include "Item.h" -#include "Noise.h" +#include "Noise/Noise.h" #include "Root.h" #include "Entities/Player.h" #include "BlockArea.h" diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp index 595040a54..8a8f17a1b 100644 --- a/src/ChunkMap.cpp +++ b/src/ChunkMap.cpp @@ -822,6 +822,7 @@ void cChunkMap::WakeUpSimulatorsInArea(int a_MinBlockX, int a_MaxBlockX, int a_M int MinChunkX, MinChunkZ, MaxChunkX, MaxChunkZ; cChunkDef::BlockToChunk(a_MinBlockX, a_MinBlockZ, MinChunkX, MinChunkZ); cChunkDef::BlockToChunk(a_MaxBlockX, a_MaxBlockZ, MaxChunkX, MaxChunkZ); + cCSLock Lock(m_CSLayers); for (int z = MinChunkZ; z <= MaxChunkZ; z++) { int MinZ = std::max(a_MinBlockZ, z * cChunkDef::Width); diff --git a/src/ChunkSender.cpp b/src/ChunkSender.cpp index ef2be167b..83d82884e 100644 --- a/src/ChunkSender.cpp +++ b/src/ChunkSender.cpp @@ -184,7 +184,7 @@ void cChunkSender::Execute(void) while (!m_ShouldTerminate) { cCSLock Lock(m_CS); - while (m_ChunksReady.empty() && m_SendChunksLowPriority.empty() && m_SendChunksHighPriority.empty()) + while (m_ChunksReady.empty() && m_SendChunksLowPriority.empty() && m_SendChunksMediumPriority.empty() && m_SendChunksHighPriority.empty()) { int RemoveCount = m_RemoveCount; m_RemoveCount = 0; diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index cfae878c4..33a88d07f 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -52,7 +52,8 @@ int cClientHandle::s_ClientCount = 0; // cClientHandle: cClientHandle::cClientHandle(const cSocket * a_Socket, int a_ViewDistance) : - m_ViewDistance(a_ViewDistance), + m_CurrentViewDistance(a_ViewDistance), + m_RequestedViewDistance(a_ViewDistance), m_IPString(a_Socket->GetIPString()), m_OutgoingData(64 KiB), m_Player(nullptr), @@ -78,6 +79,7 @@ cClientHandle::cClientHandle(const cSocket * a_Socket, int a_ViewDistance) : m_UniqueID(0), m_HasSentPlayerChunk(false), m_Locale("en_GB"), + m_LastPlacedSign(0, -1, 0), m_ProtocolVersion(0) { m_Protocol = new cProtocolRecognizer(this); @@ -412,7 +414,7 @@ bool cClientHandle::StreamNextChunk(void) cCSLock Lock(m_CSChunkLists); // High priority: Load the chunks that are in the view-direction of the player (with a radius of 3) - for (int Range = 0; Range < m_ViewDistance; Range++) + for (int Range = 0; Range < m_CurrentViewDistance; Range++) { Vector3d Vector = Position + LookVector * cChunkDef::Width * Range; @@ -429,7 +431,7 @@ bool cClientHandle::StreamNextChunk(void) cChunkCoords Coords(ChunkX, ChunkZ); // Checks if the chunk is in distance - if ((Diff(ChunkX, ChunkPosX) > m_ViewDistance) || (Diff(ChunkZ, ChunkPosZ) > m_ViewDistance)) + if ((Diff(ChunkX, ChunkPosX) > m_CurrentViewDistance) || (Diff(ChunkZ, ChunkPosZ) > m_CurrentViewDistance)) { continue; } @@ -452,7 +454,7 @@ bool cClientHandle::StreamNextChunk(void) } // Low priority: Add all chunks that are in range. (From the center out to the edge) - for (int d = 0; d <= m_ViewDistance; ++d) // cycle through (square) distance, from nearest to furthest + for (int d = 0; d <= m_CurrentViewDistance; ++d) // cycle through (square) distance, from nearest to furthest { // For each distance add chunks in a hollow square centered around current position: cChunkCoordsList CurcleChunks; @@ -510,7 +512,7 @@ void cClientHandle::UnloadOutOfRangeChunks(void) { int DiffX = Diff((*itr).m_ChunkX, ChunkPosX); int DiffZ = Diff((*itr).m_ChunkZ, ChunkPosZ); - if ((DiffX > m_ViewDistance) || (DiffZ > m_ViewDistance)) + if ((DiffX > m_CurrentViewDistance) || (DiffZ > m_CurrentViewDistance)) { ChunksToRemove.push_back(*itr); itr = m_LoadedChunks.erase(itr); @@ -525,7 +527,7 @@ void cClientHandle::UnloadOutOfRangeChunks(void) { int DiffX = Diff((*itr).m_ChunkX, ChunkPosX); int DiffZ = Diff((*itr).m_ChunkZ, ChunkPosZ); - if ((DiffX > m_ViewDistance) || (DiffZ > m_ViewDistance)) + if ((DiffX > m_CurrentViewDistance) || (DiffZ > m_CurrentViewDistance)) { itr = m_ChunksToSend.erase(itr); } @@ -539,7 +541,7 @@ void cClientHandle::UnloadOutOfRangeChunks(void) for (cChunkCoordsList::iterator itr = ChunksToRemove.begin(); itr != ChunksToRemove.end(); ++itr) { m_Player->GetWorld()->RemoveChunkClient(itr->m_ChunkX, itr->m_ChunkZ, this); - m_Protocol->SendUnloadChunk(itr->m_ChunkX, itr->m_ChunkZ); + SendUnloadChunk(itr->m_ChunkX, itr->m_ChunkZ); } } @@ -1482,6 +1484,7 @@ void cClientHandle::HandlePlaceBlock(int a_BlockX, int a_BlockY, int a_BlockZ, e { m_Player->GetInventory().RemoveOneEquippedItem(); } + cChunkInterface ChunkInterface(World->GetChunkMap()); NewBlock->OnPlacedByPlayer(ChunkInterface, *World, m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, BlockType, BlockMeta); @@ -1659,8 +1662,11 @@ void cClientHandle::HandleUpdateSign( const AString & a_Line3, const AString & a_Line4 ) { - cWorld * World = m_Player->GetWorld(); - World->UpdateSign(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, m_Player); + if (m_LastPlacedSign.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + m_LastPlacedSign.Set(0, -1, 0); + m_Player->GetWorld()->SetSignLines(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, m_Player); + } } @@ -2237,6 +2243,7 @@ void cClientHandle::SendDisconnect(const AString & a_Reason) void cClientHandle::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) { + m_LastPlacedSign.Set(a_BlockX, a_BlockY, a_BlockZ); m_Protocol->SendEditSign(a_BlockX, a_BlockY, a_BlockZ); } @@ -2827,8 +2834,15 @@ void cClientHandle::SetUsername( const AString & a_Username) void cClientHandle::SetViewDistance(int a_ViewDistance) { - m_ViewDistance = Clamp(a_ViewDistance, MIN_VIEW_DISTANCE, MAX_VIEW_DISTANCE); - LOGD("Setted %s's view distance to %i", GetUsername().c_str(), m_ViewDistance); + m_RequestedViewDistance = a_ViewDistance; + LOGD("%s is requesting ViewDistance of %d!", GetUsername().c_str(), m_RequestedViewDistance); + + // Set the current view distance based on the requested VD and world max VD: + cWorld * world = m_Player->GetWorld(); + if (world != nullptr) + { + m_CurrentViewDistance = Clamp(a_ViewDistance, cClientHandle::MIN_VIEW_DISTANCE, world->GetMaxViewDistance()); + } } diff --git a/src/ClientHandle.h b/src/ClientHandle.h index 1e4883134..3431e3a71 100644 --- a/src/ClientHandle.h +++ b/src/ClientHandle.h @@ -217,9 +217,15 @@ public: inline short GetPing(void) const { return static_cast<short>(std::chrono::duration_cast<std::chrono::milliseconds>(m_Ping).count()); } + /** Sets the maximal view distance. */ void SetViewDistance(int a_ViewDistance); - int GetViewDistance(void) const { return m_ViewDistance; } - + + /** Returns the view distance that the player currently have. */ + int GetViewDistance(void) const { return m_CurrentViewDistance; } + + /** Returns the view distance that the player request, not the used view distance. */ + int GetRequestedViewDistance(void) const { return m_RequestedViewDistance; } + void SetLocale(AString & a_Locale) { m_Locale = a_Locale; } AString GetLocale(void) const { return m_Locale; } @@ -333,12 +339,12 @@ private: /** The type used for storing the names of registered plugin channels. */ typedef std::set<AString> cChannels; - /** Number of chunks the player can see in each direction */ - int m_ViewDistance; - - /** Server generates this many chunks AHEAD of player sight. */ - static const int GENERATEDISTANCE = 2; - + /** The actual view distance used, the minimum of client's requested view distance and world's max view distance. */ + int m_CurrentViewDistance; + + /** The requested view distance from the player. It isn't clamped with 1 and the max view distance of the world. */ + int m_RequestedViewDistance; + AString m_IPString; AString m_Username; @@ -432,6 +438,9 @@ private: /** Client Settings */ AString m_Locale; + + /** The positions from the last sign that the player placed. It's needed to verify the sign text change. */ + Vector3i m_LastPlacedSign; /** The plugin channels that the client has registered. */ cChannels m_PluginChannels; diff --git a/src/Enchantments.cpp b/src/Enchantments.cpp index 80a9810b6..36c451b81 100644 --- a/src/Enchantments.cpp +++ b/src/Enchantments.cpp @@ -6,7 +6,7 @@ #include "Enchantments.h" #include "WorldStorage/FastNBT.h" #include "FastRandom.h" -#include "Noise.h" +#include "Noise/Noise.h" diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp index 336dbeb72..87f57989b 100644 --- a/src/Entities/Player.cpp +++ b/src/Entities/Player.cpp @@ -1596,6 +1596,9 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn) a_World->AddPlayer(this); SetWorld(a_World); // Chunks may be streamed before cWorld::AddPlayer() sets the world to the new value + // Update the view distance. + m_ClientHandle->SetViewDistance(m_ClientHandle->GetRequestedViewDistance()); + return true; } diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp index 203faff56..2a4dbe794 100644 --- a/src/Generating/BioGen.cpp +++ b/src/Generating/BioGen.cpp @@ -5,6 +5,10 @@ #include "Globals.h" #include "BioGen.h" +#include <chrono> +#include <iostream> +#include "IntGen.h" +#include "ProtIntGen.h" #include "../IniFile.h" #include "../LinearUpscale.h" @@ -917,6 +921,214 @@ void cBioGenTwoLevel::InitializeBiomeGen(cIniFile & a_IniFile) //////////////////////////////////////////////////////////////////////////////// +// cBioGenGrown: + +class cBioGenGrown: + public cBiomeGen +{ +public: + cBioGenGrown(int a_Seed) + { + auto FinalRivers = + std::make_shared<cIntGenSmooth<8>> (a_Seed + 1, + std::make_shared<cIntGenZoom <10>> (a_Seed + 2, + std::make_shared<cIntGenRiver <7>> (a_Seed + 3, + std::make_shared<cIntGenZoom <9>> (a_Seed + 4, + std::make_shared<cIntGenSmooth<6>> (a_Seed + 5, + std::make_shared<cIntGenZoom <8>> (a_Seed + 8, + std::make_shared<cIntGenSmooth<6>> (a_Seed + 5, + std::make_shared<cIntGenZoom <8>> (a_Seed + 9, + std::make_shared<cIntGenSmooth<6>> (a_Seed + 5, + std::make_shared<cIntGenZoom <8>> (a_Seed + 10, + std::make_shared<cIntGenSmooth<6>> (a_Seed + 5, + std::make_shared<cIntGenSmooth<8>> (a_Seed + 6, + std::make_shared<cIntGenZoom <10>> (a_Seed + 11, + std::make_shared<cIntGenChoice<2, 7>>(a_Seed + 12 + )))))))))))))); + + auto alteration = + std::make_shared<cIntGenZoom <8>>(a_Seed, + std::make_shared<cIntGenLandOcean<6>>(a_Seed, 20 + )); + + auto alteration2 = + std::make_shared<cIntGenZoom <8>>(a_Seed + 1, + std::make_shared<cIntGenZoom <6>>(a_Seed + 2, + std::make_shared<cIntGenZoom <5>>(a_Seed + 1, + std::make_shared<cIntGenZoom <4>>(a_Seed + 2, + std::make_shared<cIntGenLandOcean<4>>(a_Seed + 1, 10 + ))))); + + auto FinalBiomes = + std::make_shared<cIntGenSmooth <8>> (a_Seed + 1, + std::make_shared<cIntGenZoom <10>>(a_Seed + 15, + std::make_shared<cIntGenSmooth <7>> (a_Seed + 1, + std::make_shared<cIntGenZoom <9>> (a_Seed + 16, + std::make_shared<cIntGenBeaches <6>> ( + std::make_shared<cIntGenZoom <8>> (a_Seed + 1, + std::make_shared<cIntGenAddIslands <6>> (a_Seed + 2004, 10, + std::make_shared<cIntGenAddToOcean <6>> (a_Seed + 10, 500, biDeepOcean, + std::make_shared<cIntGenReplaceRandomly<8>> (a_Seed + 1, biPlains, biSunflowerPlains, 20, + std::make_shared<cIntGenMBiomes <8>> (a_Seed + 5, alteration2, + std::make_shared<cIntGenAlternateBiomes<8>> (a_Seed + 1, alteration, + std::make_shared<cIntGenBiomeEdges <8>> (a_Seed + 3, + std::make_shared<cIntGenZoom <10>>(a_Seed + 2, + std::make_shared<cIntGenZoom <7>> (a_Seed + 4, + std::make_shared<cIntGenReplaceRandomly<5>> (a_Seed + 99, biIcePlains, biIcePlainsSpikes, 50, + std::make_shared<cIntGenZoom <5>> (a_Seed + 8, + std::make_shared<cIntGenAddToOcean <4>> (a_Seed + 10, 300, biDeepOcean, + std::make_shared<cIntGenAddToOcean <6>> (a_Seed + 9, 8, biMushroomIsland, + std::make_shared<cIntGenBiomes <8>> (a_Seed + 3000, + std::make_shared<cIntGenAddIslands <8>> (a_Seed + 2000, 200, + std::make_shared<cIntGenZoom <8>> (a_Seed + 5, + std::make_shared<cIntGenRareBiomeGroups<6>> (a_Seed + 5, 50, + std::make_shared<cIntGenBiomeGroupEdges<6>> ( + std::make_shared<cIntGenAddIslands <8>> (a_Seed + 2000, 200, + std::make_shared<cIntGenZoom <8>> (a_Seed + 7, + std::make_shared<cIntGenSetRandomly <6>> (a_Seed + 8, 50, bgOcean, + std::make_shared<cIntGenReplaceRandomly<6>> (a_Seed + 101, bgIce, bgTemperate, 150, + std::make_shared<cIntGenAddIslands <6>> (a_Seed + 2000, 200, + std::make_shared<cIntGenSetRandomly <6>> (a_Seed + 9, 50, bgOcean, + std::make_shared<cIntGenZoom <6>> (a_Seed + 10, + std::make_shared<cIntGenLandOcean <5>> (a_Seed + 100, 30 + ))))))))))))))))))))))))))))))); + + m_Gen = + std::make_shared<cIntGenSmooth <16>>(a_Seed, + std::make_shared<cIntGenZoom <18>>(a_Seed, + std::make_shared<cIntGenSmooth <11>>(a_Seed, + std::make_shared<cIntGenZoom <13>>(a_Seed, + std::make_shared<cIntGenMixRivers<8>> ( + FinalBiomes, FinalRivers + ))))); + } + + virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) override + { + cIntGen<16, 16>::Values vals; + m_Gen->GetInts(a_ChunkX * cChunkDef::Width, a_ChunkZ * cChunkDef::Width, vals); + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + cChunkDef::SetBiome(a_Biomes, x, z, (EMCSBiome)vals[x + cChunkDef::Width * z]); + } + } + } + +protected: + std::shared_ptr<cIntGen<16, 16>> m_Gen; +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cBioGenGrown: + +class cBioGenProtGrown: + public cBiomeGen +{ +public: + cBioGenProtGrown(int a_Seed) + { + auto FinalRivers = + std::make_shared<cProtIntGenSmooth>(a_Seed + 1, + std::make_shared<cProtIntGenZoom >(a_Seed + 2, + std::make_shared<cProtIntGenRiver >(a_Seed + 3, + std::make_shared<cProtIntGenZoom >(a_Seed + 4, + std::make_shared<cProtIntGenSmooth>(a_Seed + 5, + std::make_shared<cProtIntGenZoom >(a_Seed + 8, + std::make_shared<cProtIntGenSmooth>(a_Seed + 5, + std::make_shared<cProtIntGenZoom >(a_Seed + 9, + std::make_shared<cProtIntGenSmooth>(a_Seed + 5, + std::make_shared<cProtIntGenZoom >(a_Seed + 10, + std::make_shared<cProtIntGenSmooth>(a_Seed + 5, + std::make_shared<cProtIntGenSmooth>(a_Seed + 6, + std::make_shared<cProtIntGenZoom >(a_Seed + 11, + std::make_shared<cProtIntGenChoice>(a_Seed + 12, 2 + )))))))))))))); + + auto alteration = + std::make_shared<cProtIntGenZoom >(a_Seed, + std::make_shared<cProtIntGenLandOcean>(a_Seed, 20 + )); + + auto alteration2 = + std::make_shared<cProtIntGenZoom >(a_Seed + 1, + std::make_shared<cProtIntGenZoom >(a_Seed + 2, + std::make_shared<cProtIntGenZoom >(a_Seed + 1, + std::make_shared<cProtIntGenZoom >(a_Seed + 2, + std::make_shared<cProtIntGenLandOcean>(a_Seed + 1, 10 + ))))); + + auto FinalBiomes = + std::make_shared<cProtIntGenSmooth >(a_Seed + 1, + std::make_shared<cProtIntGenZoom >(a_Seed + 15, + std::make_shared<cProtIntGenSmooth >(a_Seed + 1, + std::make_shared<cProtIntGenZoom >(a_Seed + 16, + std::make_shared<cProtIntGenBeaches >( + std::make_shared<cProtIntGenZoom >(a_Seed + 1, + std::make_shared<cProtIntGenAddIslands >(a_Seed + 2004, 10, + std::make_shared<cProtIntGenAddToOcean >(a_Seed + 10, 500, biDeepOcean, + std::make_shared<cProtIntGenReplaceRandomly>(a_Seed + 1, biPlains, biSunflowerPlains, 20, + std::make_shared<cProtIntGenMBiomes >(a_Seed + 5, alteration2, + std::make_shared<cProtIntGenAlternateBiomes>(a_Seed + 1, alteration, + std::make_shared<cProtIntGenBiomeEdges >(a_Seed + 3, + std::make_shared<cProtIntGenZoom >(a_Seed + 2, + std::make_shared<cProtIntGenZoom >(a_Seed + 4, + std::make_shared<cProtIntGenReplaceRandomly>(a_Seed + 99, biIcePlains, biIcePlainsSpikes, 50, + std::make_shared<cProtIntGenZoom >(a_Seed + 8, + std::make_shared<cProtIntGenAddToOcean >(a_Seed + 10, 300, biDeepOcean, + std::make_shared<cProtIntGenAddToOcean >(a_Seed + 9, 8, biMushroomIsland, + std::make_shared<cProtIntGenBiomes >(a_Seed + 3000, + std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200, + std::make_shared<cProtIntGenZoom >(a_Seed + 5, + std::make_shared<cProtIntGenRareBiomeGroups>(a_Seed + 5, 50, + std::make_shared<cProtIntGenBiomeGroupEdges>( + std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200, + std::make_shared<cProtIntGenZoom >(a_Seed + 7, + std::make_shared<cProtIntGenSetRandomly >(a_Seed + 8, 50, bgOcean, + std::make_shared<cProtIntGenReplaceRandomly>(a_Seed + 101, bgIce, bgTemperate, 150, + std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200, + std::make_shared<cProtIntGenSetRandomly >(a_Seed + 9, 50, bgOcean, + std::make_shared<cProtIntGenZoom >(a_Seed + 10, + std::make_shared<cProtIntGenLandOcean >(a_Seed + 100, 30 + ))))))))))))))))))))))))))))))); + + m_Gen = + std::make_shared<cProtIntGenSmooth >(a_Seed, + std::make_shared<cProtIntGenZoom >(a_Seed, + std::make_shared<cProtIntGenSmooth >(a_Seed, + std::make_shared<cProtIntGenZoom >(a_Seed, + std::make_shared<cProtIntGenMixRivers>( + FinalBiomes, FinalRivers + ))))); + } + + virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) override + { + int vals[16 * 16]; + m_Gen->GetInts(a_ChunkX * cChunkDef::Width, a_ChunkZ * cChunkDef::Width, 16, 16, vals); + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + cChunkDef::SetBiome(a_Biomes, x, z, (EMCSBiome)vals[x + cChunkDef::Width * z]); + } + } + } + +protected: + std::shared_ptr<cProtIntGen> m_Gen; +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// // cBiomeGen: cBiomeGenPtr cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & a_CacheOffByDefault) @@ -952,6 +1164,14 @@ cBiomeGenPtr cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & { res = new cBioGenTwoLevel(a_Seed); } + else if (NoCaseCompare(BiomeGenName, "grown") == 0) + { + res = new cBioGenGrown(a_Seed); + } + else if (NoCaseCompare(BiomeGenName, "grownprot") == 0) + { + res = new cBioGenProtGrown(a_Seed); + } else { if (NoCaseCompare(BiomeGenName, "multistepmap") != 0) @@ -981,3 +1201,51 @@ cBiomeGenPtr cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & + +//////////////////////////////////////////////////////////////////////////////// +// Performance tests: + +// Change to 1 to enable the perf test: +#if 0 + +class cBioGenPerfTest +{ +public: + cBioGenPerfTest() + { + std::cout << "BioGen performance tests commencing, please wait..." << std::endl; + TestGen("MultiStepMap", std::make_unique<cBioGenMultiStepMap>(1).get()); + TestGen("Grown", std::make_unique<cBioGenGrown>(1).get()); + TestGen("GrownProt", std::make_unique<cBioGenProtGrown>(1).get()); + std::cout << "BioGen performance tests complete." << std::endl; + } + +protected: + void TestGen(const AString && a_GenName, cBiomeGen * a_BioGen) + { + // Initialize the default settings for the generator: + cIniFile iniFile; + a_BioGen->InitializeBiomeGen(iniFile); + + // Generate the biomes: + auto start = std::chrono::system_clock::now(); + for (int z = 0; z < 100; z++) + { + for (int x = 0; x < 100; x++) + { + cChunkDef::BiomeMap biomes; + a_BioGen->GenBiomes(x, z, biomes); + } // for x + } // for z + auto dur = std::chrono::system_clock::now() - start; + double milliseconds = static_cast<double>((std::chrono::duration_cast<std::chrono::milliseconds>(dur)).count()); + + std::cout << a_GenName << ": " << 1000.0 * 100.0 * 100.0 / milliseconds << " chunks per second" << std::endl; + } +} g_BioGenPerfTest; + +#endif + + + + diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h index 5fd0844d9..13fb40c5f 100644 --- a/src/Generating/BioGen.h +++ b/src/Generating/BioGen.h @@ -15,7 +15,7 @@ Interfaces to the various biome generators: #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" #include "../VoronoiMap.h" diff --git a/src/Generating/CMakeLists.txt b/src/Generating/CMakeLists.txt index cd3d5a9f3..1a26bd0d5 100644 --- a/src/Generating/CMakeLists.txt +++ b/src/Generating/CMakeLists.txt @@ -46,6 +46,7 @@ SET (HDRS FinishGen.h GridStructGen.h HeiGen.h + IntGen.h MineShafts.h NetherFortGen.h Noise3DGenerator.h @@ -53,6 +54,7 @@ SET (HDRS PieceGenerator.h Prefab.h PrefabPiecePool.h + ProtIntGen.h RainbowRoadsGen.h Ravines.h RoughRavines.h diff --git a/src/Generating/Caves.h b/src/Generating/Caves.h index 0e17acf9e..691ef3e62 100644 --- a/src/Generating/Caves.h +++ b/src/Generating/Caves.h @@ -13,7 +13,6 @@ #pragma once #include "GridStructGen.h" -#include "../Noise.h" diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp index 020d3bd0f..042b688b7 100644 --- a/src/Generating/ChunkDesc.cpp +++ b/src/Generating/ChunkDesc.cpp @@ -7,7 +7,7 @@ #include "ChunkDesc.h" #include "../BlockArea.h" #include "../Cuboid.h" -#include "../Noise.h" +#include "../Noise/Noise.h" #include "../BlockEntities/BlockEntity.h" diff --git a/src/Generating/CompoGen.h b/src/Generating/CompoGen.h index b145b6ba3..c65a07fe8 100644 --- a/src/Generating/CompoGen.h +++ b/src/Generating/CompoGen.h @@ -17,7 +17,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp index 169821050..5f46574c7 100644 --- a/src/Generating/ComposableGenerator.cpp +++ b/src/Generating/ComposableGenerator.cpp @@ -73,6 +73,10 @@ cTerrainCompositionGenPtr cTerrainCompositionGen::CreateCompositionGen(cIniFile { res = new cCompoGenNether(a_Seed); } + else if (NoCaseCompare(CompoGenName, "BiomalNoise3D") == 0) + { + res = new cBiomalNoise3DComposable(a_Seed, a_BiomeGen); + } else if (NoCaseCompare(CompoGenName, "Noise3D") == 0) { res = new cNoise3DComposable(a_Seed); diff --git a/src/Generating/DistortedHeightmap.cpp b/src/Generating/DistortedHeightmap.cpp index aac1d2bf3..d5bc6ab55 100644 --- a/src/Generating/DistortedHeightmap.cpp +++ b/src/Generating/DistortedHeightmap.cpp @@ -227,15 +227,15 @@ const cDistortedHeightmap::sGenParam cDistortedHeightmap::m_GenParam[256] = /* biMesaPlateau */ { 2.0f, 2.0f}, // 39 // biomes 40 .. 128 are unused, 89 empty placeholders here: - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 40 .. 49 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 50 .. 59 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 60 .. 69 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 70 .. 79 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 80 .. 89 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 90 .. 99 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 100 .. 109 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 110 .. 119 - {}, {}, {}, {}, {}, {}, {}, {}, {}, // 120 .. 128 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 40 .. 49 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 50 .. 59 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 60 .. 69 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 70 .. 79 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 80 .. 89 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 90 .. 99 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 100 .. 109 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 110 .. 119 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 120 .. 128 // Release 1.7 /* biome variants: /* biSunflowerPlains */ { 1.0f, 1.0f}, // 129 @@ -246,22 +246,22 @@ const cDistortedHeightmap::sGenParam cDistortedHeightmap::m_GenParam[256] = /* biSwamplandM */ { 0.0f, 0.0f}, // 134 // Biomes 135 .. 139 unused, 5 empty placeholders here: - {}, {}, {}, {}, {}, // 135 .. 139 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 135 .. 139 /* biIcePlainsSpikes */ { 1.0f, 1.0f}, // 140 // Biomes 141 .. 148 unused, 8 empty placeholders here: - {}, {}, {}, {}, {}, {}, {}, {}, // 141 .. 148 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 141 .. 148 /* biJungleM */ { 4.0f, 4.0f}, // 149 - {}, // 150 + {0.0f, 0.0f}, // 150 /* biJungleEdgeM */ { 3.0f, 3.0f}, // 151 - {}, {}, {}, // 152 .. 154 + {0.0f, 0.0f}, {0.0f, 0.0f}, {0.0f, 0.0f}, // 152 .. 154 /* biBirchForestM */ { 3.0f, 3.0f}, // 155 /* biBirchForestHillsM */ { 5.0f, 5.0f}, // 156 /* biRoofedForestM */ { 2.0f, 2.0f}, // 157 /* biColdTaigaM */ { 1.0f, 1.0f}, // 158 - {}, // 159 + {0.0f, 0.0f}, // 159 /* biMegaSpruceTaiga */ { 3.0f, 3.0f}, // 160 /* biMegaSpruceTaigaHills */ { 3.0f, 3.0f}, // 161 /* biExtremeHillsPlusM */ {32.0f, 32.0f}, // 162 diff --git a/src/Generating/DistortedHeightmap.h b/src/Generating/DistortedHeightmap.h index d073f29e4..955e57a1e 100644 --- a/src/Generating/DistortedHeightmap.h +++ b/src/Generating/DistortedHeightmap.h @@ -11,7 +11,6 @@ #include "ComposableGenerator.h" #include "HeiGen.h" -#include "../Noise.h" diff --git a/src/Generating/EndGen.h b/src/Generating/EndGen.h index 322061810..c2278c1e1 100644 --- a/src/Generating/EndGen.h +++ b/src/Generating/EndGen.h @@ -10,7 +10,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp index 0564789dc..42ecdf8a8 100644 --- a/src/Generating/FinishGen.cpp +++ b/src/Generating/FinishGen.cpp @@ -10,7 +10,6 @@ #include "Globals.h" #include "FinishGen.h" -#include "../Noise.h" #include "../BlockID.h" #include "../Simulator/FluidSimulator.h" // for cFluidSimulator::CanWashAway() #include "../Simulator/FireSimulator.h" @@ -199,6 +198,11 @@ void cFinishGenTallGrass::GenFinish(cChunkDesc & a_ChunkDesc) // Get the top block + 1. This is the place where the grass would finaly be placed: int y = a_ChunkDesc.GetHeight(x, z) + 1; + + if (y >= 255) + { + continue; + } // Check if long grass can be placed: if ( @@ -414,6 +418,11 @@ void cFinishGenSnow::GenFinish(cChunkDesc & a_ChunkDesc) } break; } + default: + { + // There's no snow in the other biomes. + break; + } } } } // for z @@ -454,6 +463,11 @@ void cFinishGenIce::GenFinish(cChunkDesc & a_ChunkDesc) } break; } + default: + { + // No icy water in other biomes. + break; + } } } } // for z diff --git a/src/Generating/FinishGen.h b/src/Generating/FinishGen.h index 4a08d70c8..991a85787 100644 --- a/src/Generating/FinishGen.h +++ b/src/Generating/FinishGen.h @@ -16,7 +16,7 @@ #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" #include "../ProbabDistrib.h" diff --git a/src/Generating/GridStructGen.h b/src/Generating/GridStructGen.h index 03131fce9..b92fb2e9d 100644 --- a/src/Generating/GridStructGen.h +++ b/src/Generating/GridStructGen.h @@ -10,7 +10,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp index a0b8770f5..1d9f1e3aa 100644 --- a/src/Generating/HeiGen.cpp +++ b/src/Generating/HeiGen.cpp @@ -17,81 +17,6 @@ //////////////////////////////////////////////////////////////////////////////// -// cTerrainHeightGen: - -cTerrainHeightGenPtr cTerrainHeightGen::CreateHeightGen(cIniFile & a_IniFile, cBiomeGenPtr a_BiomeGen, int a_Seed, bool & a_CacheOffByDefault) -{ - AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", ""); - if (HeightGenName.empty()) - { - LOGWARN("[Generator] HeightGen value not set in world.ini, using \"Biomal\"."); - HeightGenName = "Biomal"; - } - - a_CacheOffByDefault = false; - cTerrainHeightGen * res = nullptr; - if (NoCaseCompare(HeightGenName, "flat") == 0) - { - res = new cHeiGenFlat; - a_CacheOffByDefault = true; // We're generating faster than a cache would retrieve data - } - else if (NoCaseCompare(HeightGenName, "classic") == 0) - { - res = new cHeiGenClassic(a_Seed); - } - else if (NoCaseCompare(HeightGenName, "DistortedHeightmap") == 0) - { - res = new cDistortedHeightmap(a_Seed, a_BiomeGen); - } - else if (NoCaseCompare(HeightGenName, "End") == 0) - { - res = new cEndGen(a_Seed); - } - else if (NoCaseCompare(HeightGenName, "Mountains") == 0) - { - res = new cHeiGenMountains(a_Seed); - } - else if (NoCaseCompare(HeightGenName, "Noise3D") == 0) - { - res = new cNoise3DComposable(a_Seed); - } - else if (NoCaseCompare(HeightGenName, "biomal") == 0) - { - res = new cHeiGenBiomal(a_Seed, a_BiomeGen); - - /* - // Performance-testing: - LOGINFO("Measuring performance of cHeiGenBiomal..."); - clock_t BeginTick = clock(); - for (int x = 0; x < 500; x++) - { - cChunkDef::HeightMap Heights; - res->GenHeightMap(x * 5, x * 5, Heights); - } - clock_t Duration = clock() - BeginTick; - LOGINFO("HeightGen for 500 chunks took %d ticks (%.02f sec)", Duration, (double)Duration / CLOCKS_PER_SEC); - //*/ - } - else - { - // No match found, force-set the default and retry - LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str()); - a_IniFile.DeleteValue("Generator", "HeightGen"); - a_IniFile.SetValue("Generator", "HeightGen", "Biomal"); - return CreateHeightGen(a_IniFile, a_BiomeGen, a_Seed, a_CacheOffByDefault); - } - - // Read the settings: - res->InitializeHeightGen(a_IniFile); - - return cTerrainHeightGenPtr(res); -} - - - - - -//////////////////////////////////////////////////////////////////////////////// // cHeiGenFlat: void cHeiGenFlat::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) @@ -430,15 +355,15 @@ const cHeiGenBiomal::sGenParam cHeiGenBiomal::m_GenParam[256] = /* biMesaPlateau */ { 0.1f, 1.0f, 0.05f, 1.5f, 0.01f, 4.0f, 80}, // biomes 40 .. 128 are unused, 89 empty placeholders here: - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 40 .. 49 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 50 .. 59 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 60 .. 69 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 70 .. 79 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 80 .. 89 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 90 .. 99 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 100 .. 109 - {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, // 110 .. 119 - {}, {}, {}, {}, {}, {}, {}, {}, {}, // 120 .. 128 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 40 .. 49 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 50 .. 59 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 60 .. 69 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 70 .. 79 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 80 .. 89 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 90 .. 99 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 100 .. 109 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 110 .. 119 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 120 .. 128 /* biSunflowerPlains */ { 0.1f, 2.0f, 0.05f, 12.0f, 0.01f, 10.0f, 40}, // 129 /* biDesertM */ { 0.1f, 2.0f, 0.05f, 12.0f, 0.01f, 10.0f, 40}, // 130 @@ -448,22 +373,22 @@ const cHeiGenBiomal::sGenParam cHeiGenBiomal::m_GenParam[256] = /* biSwamplandM */ { 1.0f, 3.0f, 1.10f, 7.0f, 0.01f, 0.01f, 60}, // 134 // Biomes 135 .. 139 unused, 5 empty placeholders here: - {}, {}, {}, {}, {}, // 135 .. 139 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 135 .. 139 /* biIcePlainsSpikes */ { 0.1f, 2.0f, 0.05f, 12.0f, 0.01f, 10.0f, 40}, // 140 // Biomes 141 .. 148 unused, 8 empty placeholders here: - {}, {}, {}, {}, {}, {}, {}, {}, // 141 .. 148 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 141 .. 148 /* biJungleM */ { 0.1f, 3.0f, 0.05f, 6.0f, 0.01f, 6.0f, 70}, // 149 - {}, // 150 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 150 /* biJungleEdgeM */ { 0.1f, 3.0f, 0.05f, 6.0f, 0.01f, 6.0f, 70}, // 151 - {}, {}, {}, // 152 .. 154 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 152 .. 154 /* biBirchForestM */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 155 /* biBirchForestHillsM */ { 0.2f, 2.0f, 0.05f, 10.0f, 0.01f, 8.0f, 80}, // 156 /* biRoofedForestM */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 157 /* biColdTaigaM */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 158 - {}, // 159 + {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0}, // 159 /* biMegaSpruceTaiga */ { 0.1f, 1.0f, 0.05f, 2.0f, 0.01f, 4.0f, 70}, // 160 /* biMegaSpruceTaigaHills */ { 0.2f, 2.0f, 0.05f, 10.0f, 0.01f, 8.0f, 80}, // 161 /* biExtremeHillsPlusM */ { 0.2f, 4.0f, 0.05f, 20.0f, 0.01f, 16.0f, 120}, // 162 @@ -611,3 +536,287 @@ NOISE_DATATYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, +//////////////////////////////////////////////////////////////////////////////// +// cHeiGenMinMax: + +class cHeiGenMinMax: + public cTerrainHeightGen +{ + typedef cTerrainHeightGen super; + + /** Size of the averaging process, in columns (for each direction). Must be less than 16. */ + static const int AVERAGING_SIZE = 4; + +public: + cHeiGenMinMax(int a_Seed, cBiomeGenPtr a_BiomeGen): + m_Noise(a_Seed), + m_BiomeGen(a_BiomeGen), + m_TotalWeight(0) + { + // Initialize the weights: + for (int z = 0; z <= AVERAGING_SIZE * 2; z++) + { + for (int x = 0; x <= AVERAGING_SIZE * 2; x++) + { + m_Weights[z][x] = 1 + 2 * AVERAGING_SIZE - std::abs(x - AVERAGING_SIZE) - std::abs(z - AVERAGING_SIZE); + m_TotalWeight += m_Weights[z][x]; + } + } + + // Initialize the Perlin generator: + m_Perlin.AddOctave(0.04f, 0.2f); + m_Perlin.AddOctave(0.02f, 0.1f); + m_Perlin.AddOctave(0.01f, 0.05f); + } + + + virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) + { + // Generate the biomes for the 3*3 neighbors: + cChunkDef::BiomeMap neighborBiomes[3][3]; + for (int z = 0; z < 3; z++) for (int x = 0; x < 3; x++) + { + m_BiomeGen->GenBiomes(a_ChunkX + x - 1, a_ChunkZ + z - 1, neighborBiomes[z][x]); + } + + // Get the min and max heights based on the biomes: + double minHeight[cChunkDef::Width * cChunkDef::Width]; + double maxHeight[cChunkDef::Width * cChunkDef::Width]; + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + // For each column, sum the min and max values of the neighborhood around it: + double min = 0, max = 0; + for (int relz = 0; relz <= AVERAGING_SIZE * 2; relz++) + { + int bz = z + 16 + relz - AVERAGING_SIZE; // Biome Z coord relative to the neighborBiomes start + int cz = bz / 16; // Chunk Z coord relative to the neighborBiomes start + bz = bz % 16; // Biome Z coord relative to cz in neighborBiomes + for (int relx = 0; relx <= AVERAGING_SIZE * 2; relx++) + { + int bx = x + 16 + relx - AVERAGING_SIZE; // Biome X coord relative to the neighborBiomes start + int cx = bx / 16; // Chunk X coord relative to the neighborBiomes start + bx = bx % 16; // Biome X coord relative to cz in neighborBiomes + + // Get the biome's min and max heights: + double bmin, bmax; + getBiomeMinMax(cChunkDef::GetBiome(neighborBiomes[cz][cx], bx, bz), bmin, bmax); + + // Add them to the total, with the weight depending on their relative position to the column: + min += bmin * m_Weights[relz][relx]; + max += bmax * m_Weights[relz][relx]; + } // for relx + } // for relz + minHeight[x + z * cChunkDef::Width] = min / m_TotalWeight; + maxHeight[x + z * cChunkDef::Width] = max / m_TotalWeight; + } // for x + } // for z + + // Generate the base noise: + NOISE_DATATYPE noise[cChunkDef::Width * cChunkDef::Width]; + NOISE_DATATYPE workspace[cChunkDef::Width * cChunkDef::Width]; + NOISE_DATATYPE startX = static_cast<float>(a_ChunkX * cChunkDef::Width); + NOISE_DATATYPE endX = startX + cChunkDef::Width - 1; + NOISE_DATATYPE startZ = static_cast<float>(a_ChunkZ * cChunkDef::Width); + NOISE_DATATYPE endZ = startZ + cChunkDef::Width - 1; + m_Perlin.Generate2D(noise, 16, 16, startX, endX, startZ, endZ, workspace); + + // Make the height by ranging the noise between min and max: + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) + { + double min = minHeight[x + z * cChunkDef::Width]; + double max = maxHeight[x + z * cChunkDef::Width]; + double h = (max + min) / 2 + noise[x + z * cChunkDef::Width] * (max - min); + cChunkDef::SetHeight(a_HeightMap, x, z, static_cast<HEIGHTTYPE>(h)); + } + } + } + + + virtual void InitializeHeightGen(cIniFile & a_IniFile) + { + // No settings available + } + +protected: + cNoise m_Noise; + + cPerlinNoise m_Perlin; + + /** The biome generator to query for the underlying biomes. */ + cBiomeGenPtr m_BiomeGen; + + /** Weights applied to each of the min / max values in the neighborhood of the currently evaluated column. */ + double m_Weights[AVERAGING_SIZE * 2 + 1][AVERAGING_SIZE * 2 + 1]; + + /** Sum of all the m_Weights items. */ + double m_TotalWeight; + + + /** Returns the minimum and maximum heights for the given biome. */ + void getBiomeMinMax(EMCSBiome a_Biome, double & a_Min, double & a_Max) + { + switch (a_Biome) + { + case biBeach: a_Min = 61; a_Max = 64; break; + case biBirchForest: a_Min = 63; a_Max = 75; break; + case biBirchForestHills: a_Min = 63; a_Max = 90; break; + case biBirchForestHillsM: a_Min = 63; a_Max = 90; break; + case biBirchForestM: a_Min = 63; a_Max = 75; break; + case biColdBeach: a_Min = 61; a_Max = 64; break; + case biColdTaiga: a_Min = 63; a_Max = 75; break; + case biColdTaigaHills: a_Min = 63; a_Max = 90; break; + case biColdTaigaM: a_Min = 63; a_Max = 75; break; + case biDeepOcean: a_Min = 30; a_Max = 60; break; + case biDesert: a_Min = 63; a_Max = 70; break; + case biDesertHills: a_Min = 63; a_Max = 85; break; + case biDesertM: a_Min = 63; a_Max = 70; break; + case biEnd: a_Min = 10; a_Max = 100; break; + case biExtremeHills: a_Min = 60; a_Max = 120; break; + case biExtremeHillsEdge: a_Min = 63; a_Max = 100; break; + case biExtremeHillsM: a_Min = 60; a_Max = 120; break; + case biExtremeHillsPlus: a_Min = 60; a_Max = 140; break; + case biExtremeHillsPlusM: a_Min = 60; a_Max = 140; break; + case biFlowerForest: a_Min = 63; a_Max = 75; break; + case biForest: a_Min = 63; a_Max = 75; break; + case biForestHills: a_Min = 63; a_Max = 90; break; + case biFrozenOcean: a_Min = 45; a_Max = 64; break; + case biFrozenRiver: a_Min = 60; a_Max = 62; break; + case biIceMountains: a_Min = 63; a_Max = 90; break; + case biIcePlains: a_Min = 63; a_Max = 70; break; + case biIcePlainsSpikes: a_Min = 60; a_Max = 70; break; + case biJungle: a_Min = 60; a_Max = 80; break; + case biJungleEdge: a_Min = 62; a_Max = 75; break; + case biJungleEdgeM: a_Min = 62; a_Max = 75; break; + case biJungleHills: a_Min = 60; a_Max = 90; break; + case biJungleM: a_Min = 60; a_Max = 75; break; + case biMegaSpruceTaiga: a_Min = 63; a_Max = 75; break; + case biMegaSpruceTaigaHills: a_Min = 63; a_Max = 90; break; + case biMegaTaiga: a_Min = 63; a_Max = 75; break; + case biMegaTaigaHills: a_Min = 63; a_Max = 90; break; + case biMesa: a_Min = 63; a_Max = 90; break; + case biMesaBryce: a_Min = 60; a_Max = 67; break; + case biMesaPlateau: a_Min = 75; a_Max = 85; break; + case biMesaPlateauF: a_Min = 80; a_Max = 90; break; + case biMesaPlateauFM: a_Min = 80; a_Max = 90; break; + case biMesaPlateauM: a_Min = 75; a_Max = 85; break; + case biMushroomIsland: a_Min = 63; a_Max = 90; break; + case biMushroomShore: a_Min = 60; a_Max = 75; break; + case biNether: a_Min = 10; a_Max = 100; break; + case biOcean: a_Min = 45; a_Max = 64; break; + case biPlains: a_Min = 63; a_Max = 70; break; + case biRiver: a_Min = 60; a_Max = 62; break; + case biRoofedForest: a_Min = 63; a_Max = 75; break; + case biRoofedForestM: a_Min = 63; a_Max = 75; break; + case biSavanna: a_Min = 63; a_Max = 75; break; + case biSavannaM: a_Min = 63; a_Max = 80; break; + case biSavannaPlateau: a_Min = 75; a_Max = 100; break; + case biSavannaPlateauM: a_Min = 80; a_Max = 160; break; + case biStoneBeach: a_Min = 60; a_Max = 64; break; + case biSunflowerPlains: a_Min = 63; a_Max = 70; break; + case biSwampland: a_Min = 60; a_Max = 67; break; + case biSwamplandM: a_Min = 61; a_Max = 67; break; + case biTaiga: a_Min = 63; a_Max = 75; break; + case biTaigaHills: a_Min = 63; a_Max = 90; break; + case biTaigaM: a_Min = 63; a_Max = 80; break; + default: + { + ASSERT(!"Unknown biome"); + a_Min = 10; + a_Max = 10; + break; + } + } + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cTerrainHeightGen: + +cTerrainHeightGenPtr cTerrainHeightGen::CreateHeightGen(cIniFile & a_IniFile, cBiomeGenPtr a_BiomeGen, int a_Seed, bool & a_CacheOffByDefault) +{ + AString HeightGenName = a_IniFile.GetValueSet("Generator", "HeightGen", ""); + if (HeightGenName.empty()) + { + LOGWARN("[Generator] HeightGen value not set in world.ini, using \"Biomal\"."); + HeightGenName = "Biomal"; + } + + a_CacheOffByDefault = false; + cTerrainHeightGen * res = nullptr; + if (NoCaseCompare(HeightGenName, "flat") == 0) + { + res = new cHeiGenFlat; + a_CacheOffByDefault = true; // We're generating faster than a cache would retrieve data + } + else if (NoCaseCompare(HeightGenName, "classic") == 0) + { + res = new cHeiGenClassic(a_Seed); + } + else if (NoCaseCompare(HeightGenName, "DistortedHeightmap") == 0) + { + res = new cDistortedHeightmap(a_Seed, a_BiomeGen); + } + else if (NoCaseCompare(HeightGenName, "End") == 0) + { + res = new cEndGen(a_Seed); + } + else if (NoCaseCompare(HeightGenName, "MinMax") == 0) + { + res = new cHeiGenMinMax(a_Seed, a_BiomeGen); + } + else if (NoCaseCompare(HeightGenName, "Mountains") == 0) + { + res = new cHeiGenMountains(a_Seed); + } + else if (NoCaseCompare(HeightGenName, "BiomalNoise3D") == 0) + { + res = new cBiomalNoise3DComposable(a_Seed, a_BiomeGen); + } + else if (NoCaseCompare(HeightGenName, "Noise3D") == 0) + { + res = new cNoise3DComposable(a_Seed); + } + else if (NoCaseCompare(HeightGenName, "biomal") == 0) + { + res = new cHeiGenBiomal(a_Seed, a_BiomeGen); + + /* + // Performance-testing: + LOGINFO("Measuring performance of cHeiGenBiomal..."); + clock_t BeginTick = clock(); + for (int x = 0; x < 500; x++) + { + cChunkDef::HeightMap Heights; + res->GenHeightMap(x * 5, x * 5, Heights); + } + clock_t Duration = clock() - BeginTick; + LOGINFO("HeightGen for 500 chunks took %d ticks (%.02f sec)", Duration, (double)Duration / CLOCKS_PER_SEC); + //*/ + } + else + { + // No match found, force-set the default and retry + LOGWARN("Unknown HeightGen \"%s\", using \"Biomal\" instead.", HeightGenName.c_str()); + a_IniFile.DeleteValue("Generator", "HeightGen"); + a_IniFile.SetValue("Generator", "HeightGen", "Biomal"); + return CreateHeightGen(a_IniFile, a_BiomeGen, a_Seed, a_CacheOffByDefault); + } + + // Read the settings: + res->InitializeHeightGen(a_IniFile); + + return cTerrainHeightGenPtr(res); +} + + + + + diff --git a/src/Generating/HeiGen.h b/src/Generating/HeiGen.h index 6ae5ba362..b3c9483fb 100644 --- a/src/Generating/HeiGen.h +++ b/src/Generating/HeiGen.h @@ -15,7 +15,7 @@ Interfaces to the various height generators: #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/IntGen.h b/src/Generating/IntGen.h new file mode 100644 index 000000000..b25e378c0 --- /dev/null +++ b/src/Generating/IntGen.h @@ -0,0 +1,1406 @@ + +// IntGen.h + +// Declares the cIntGen class and descendants for generating and filtering various 2D arrays of ints + +/* +The integers generated may be interpreted in several ways: +- land/see designators + - 0 = ocean + - >0 = land +- biome group + - 0 = ocean + - 1 = desert biomes + - 2 = temperate biomes + - 3 = mountains (hills and forests) + - 4 = ice biomes +- biome group with "bgfRare" flag (for generating rare biomes for the group) +- biome IDs +The interpretation depends on the generator used and on the position in the chain. + +The generators can be chained together - one produces data that another one consumes. +Some of such chain connections require changing the data dimensions between the two, which is handled automatically +by using templates. +*/ + + + + + +#pragma once + +#include "../BiomeDef.h" + + + + + +/** Constants representing the biome group designators. */ +const int bgOcean = 0; +const int bgDesert = 1; +const int bgTemperate = 2; +const int bgMountains = 3; +const int bgIce = 4; +const int bgLandOceanMax = 4; // Maximum biome group value generated in the landOcean generator +const int bgfRare = 1024; // Flag added to values to generate rare biomes for the group + + + + + +/** Interface that all the generator classes provide. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGen +{ +public: + /** Force a virtual destructor in all descendants. + Descendants contain virtual functions and are referred to via pointer-to-base, so they need a virtual destructor. */ + virtual ~cIntGen() {} + + /** Holds the array of values generated by this class (descendant). */ + typedef int Values[SizeX * SizeZ]; + + /** Generates the array of templated size into a_Values, based on given min coords. */ + virtual void GetInts(int a_MinX, int a_MinZ, Values & a_Values) = 0; +}; + + + + + +/** Provides additional cNoise member and its helper functions. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenWithNoise : + public cIntGen<SizeX, SizeZ> +{ + typedef cIntGen<SizeX, SizeZ> super; + +public: + cIntGenWithNoise(int a_Seed) : + m_Noise(a_Seed) + { + } + +protected: + cNoise m_Noise; + + /** Chooses one of a_Val1 or a_Val2, based on m_Noise and the coordinates for querying the noise. */ + int ChooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2) + { + int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7; + return ((rnd & 1) == 0) ? a_Val1 : a_Val2; + } + + /** Chooses one of a_ValN, based on m_Noise and the coordinates for querying the noise. */ + int ChooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2, int a_Val3, int a_Val4) + { + int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7; + switch (rnd % 4) + { + case 0: return a_Val1; + case 1: return a_Val2; + case 2: return a_Val3; + default: return a_Val4; + } + } +}; + + + + + + +/** Generates a 2D array of random integers in the specified range [0 .. Range). */ +template <int Range, int SizeX, int SizeZ = SizeX> +class cIntGenChoice : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + cIntGenChoice(int a_Seed) : + super(a_Seed) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + for (int z = 0; z < SizeZ; z++) + { + int BaseZ = a_MinZ + z; + for (int x = 0; x < SizeX; x++) + { + a_Values[x + SizeX * z] = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7) % Range; + } + } // for z + } +}; + + + + + + +/** Decides between the ocean and landmass biomes. +Has a threshold (in percent) of how much land, the larger the threshold, the more land. +Generates 0 for ocean, biome group ID for landmass. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenLandOcean : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + cIntGenLandOcean(int a_Seed, int a_Threshold) : + super(a_Seed), + m_Threshold(a_Threshold) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + for (int z = 0; z < SizeZ; z++) + { + int BaseZ = a_MinZ + z; + for (int x = 0; x < SizeX; x++) + { + int rnd = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7); + a_Values[x + SizeX * z] = ((rnd % 100) < m_Threshold) ? ((rnd / 101) % bgLandOceanMax + 1) : 0; + } + } + + // If the centerpoint of the world is within the area, set it to bgTemperate, always: + if ((a_MinX <= 0) && (a_MinZ <= 0) && (a_MinX + SizeX > 0) && (a_MinZ + SizeZ > 0)) + { + a_Values[-a_MinX - a_MinZ * SizeX] = bgTemperate; + } + } + +protected: + int m_Threshold; +}; + + + + + +/** Zooms the underlying value array to twice the size. Uses random-neighbor for the pixels in-between. +This means that the zoome out image is randomly distorted. Applying zoom several times provides all +the distortion that the generators need. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenZoom : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +protected: + static const int m_LowerSizeX = (SizeX / 2) + 2; + static const int m_LowerSizeZ = (SizeZ / 2) + 2; + +public: + typedef std::shared_ptr<cIntGen<m_LowerSizeX, m_LowerSizeZ>> Underlying; + + + cIntGenZoom(int a_Seed, Underlying a_UnderlyingGen) : + super(a_Seed), + m_UnderlyingGen(a_UnderlyingGen) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying data with half the resolution: + int lowerMinX = a_MinX >> 1; + int lowerMinZ = a_MinZ >> 1; + int lowerData[m_LowerSizeX * m_LowerSizeZ]; + m_UnderlyingGen->GetInts(lowerMinX, lowerMinZ, lowerData); + const int lowStepX = (m_LowerSizeX - 1) * 2; + const int lowStepZ = (m_LowerSizeZ - 1) * 2; + int cache[lowStepX * lowStepZ]; + + // Discreet-interpolate the values into twice the size: + for (int z = 0; z < m_LowerSizeZ - 1; ++z) + { + int idx = (z * 2) * lowStepX; + int PrevZ0 = lowerData[z * m_LowerSizeX]; + int PrevZ1 = lowerData[(z + 1) * m_LowerSizeX]; + + for (int x = 0; x < m_LowerSizeX - 1; ++x) + { + int ValX1Z0 = lowerData[x + 1 + z * m_LowerSizeX]; + int ValX1Z1 = lowerData[x + 1 + (z + 1) * m_LowerSizeX]; + int RndX = (x + lowerMinX) * 2; + int RndZ = (z + lowerMinZ) * 2; + cache[idx] = PrevZ0; + cache[idx + lowStepX] = super::ChooseRandomOne(RndX, RndZ + 1, PrevZ0, PrevZ1); + cache[idx + 1] = super::ChooseRandomOne(RndX, RndZ - 1, PrevZ0, ValX1Z0); + cache[idx + 1 + lowStepX] = super::ChooseRandomOne(RndX, RndZ, PrevZ0, ValX1Z0, PrevZ1, ValX1Z1); + idx += 2; + PrevZ0 = ValX1Z0; + PrevZ1 = ValX1Z1; + } + } + + // Copy from Cache into a_Values; take into account the even/odd offsets in a_Min: + for (int z = 0; z < SizeZ; ++z) + { + memcpy(a_Values + z * SizeX, cache + (z + (a_MinZ & 1)) * lowStepX + (a_MinX & 1), SizeX * sizeof(int)); + } + } + +protected: + Underlying m_UnderlyingGen; +}; + + + + + +/** Smoothes out some artifacts generated by the zooming - mostly single-pixel values. +Compares each pixel to its neighbors and if the neighbors are equal, changes the pixel to their value. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenSmooth : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + static const int m_LowerSizeX = SizeX + 2; + static const int m_LowerSizeZ = SizeZ + 2; + +public: + typedef std::shared_ptr<cIntGen<m_LowerSizeX, m_LowerSizeZ>> Underlying; + + + cIntGenSmooth(int a_Seed, Underlying a_Underlying) : + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying values: + int lowerData[m_LowerSizeX * m_LowerSizeZ]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerData); + + // Smooth - for each square check if the surroundings are the same, if so, expand them diagonally. + // Also get rid of single-pixel irregularities (A-B-A): + for (int z = 0; z < SizeZ; z++) + { + int NoiseZ = a_MinZ + z; + for (int x = 0; x < SizeX; x++) + { + int val = lowerData[x + 1 + (z + 1) * m_LowerSizeX]; + int above = lowerData[x + 1 + z * m_LowerSizeX]; + int below = lowerData[x + 1 + (z + 2) * m_LowerSizeX]; + int left = lowerData[x + (z + 1) * m_LowerSizeX]; + int right = lowerData[x + 2 + (z + 1) * m_LowerSizeX]; + + if ((left == right) && (above == below)) + { + if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 2) == 0) + { + val = left; + } + else + { + val = above; + } + } + else + { + if (left == right) + { + val = left; + } + + if (above == below) + { + val = above; + } + } + + a_Values[x + z * SizeX] = val; + } + } + } + +protected: + Underlying m_Underlying; +}; + + + + + +/** Converts land biomes at the edge of an ocean into the respective beach biome. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenBeaches : + public cIntGen<SizeX, SizeZ> +{ + typedef cIntGen<SizeX, SizeZ> super; + static const int m_UnderlyingSizeX = SizeX + 2; + static const int m_UnderlyingSizeZ = SizeZ + 2; + +public: + typedef std::shared_ptr<cIntGen<m_UnderlyingSizeX, m_UnderlyingSizeZ>> Underlying; + + + cIntGenBeaches(Underlying a_Underlying) : + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Map for biome -> its beach: + static const int ToBeach[] = + { + /* biOcean */ biOcean, + /* biPlains */ biBeach, + /* biDesert */ biBeach, + /* biExtremeHills */ biStoneBeach, + /* biForest */ biBeach, + /* biTaiga */ biColdBeach, + /* biSwampland */ biSwampland, + /* biRiver */ biRiver, + /* biNether */ biNether, + /* biEnd */ biEnd, + /* biFrozenOcean */ biColdBeach, + /* biFrozenRiver */ biColdBeach, + /* biIcePlains */ biColdBeach, + /* biIceMountains */ biColdBeach, + /* biMushroomIsland */ biMushroomShore, + /* biMushroomShore */ biMushroomShore, + /* biBeach */ biBeach, + /* biDesertHills */ biBeach, + /* biForestHills */ biBeach, + /* biTaigaHills */ biColdBeach, + /* biExtremeHillsEdge */ biStoneBeach, + /* biJungle */ biBeach, + /* biJungleHills */ biBeach, + /* biJungleEdge */ biBeach, + /* biDeepOcean */ biOcean, + /* biStoneBeach */ biStoneBeach, + /* biColdBeach */ biColdBeach, + /* biBirchForest */ biBeach, + /* biBirchForestHills */ biBeach, + /* biRoofedForest */ biBeach, + /* biColdTaiga */ biColdBeach, + /* biColdTaigaHills */ biColdBeach, + /* biMegaTaiga */ biStoneBeach, + /* biMegaTaigaHills */ biStoneBeach, + /* biExtremeHillsPlus */ biStoneBeach, + /* biSavanna */ biBeach, + /* biSavannaPlateau */ biBeach, + /* biMesa */ biMesa, + /* biMesaPlateauF */ biMesa, + /* biMesaPlateau */ biMesa, + }; + + // Generate the underlying values: + int lowerValues[m_UnderlyingSizeX * m_UnderlyingSizeZ]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerValues); + + // Add beaches between ocean and biomes: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int val = lowerValues[x + 1 + (z + 1) * m_UnderlyingSizeX]; + int above = lowerValues[x + 1 + z * m_UnderlyingSizeX]; + int below = lowerValues[x + 1 + (z + 2) * m_UnderlyingSizeX]; + int left = lowerValues[x + (z + 1) * m_UnderlyingSizeX]; + int right = lowerValues[x + 2 + (z + 1) * m_UnderlyingSizeX]; + if (!IsBiomeOcean(val)) + { + if (IsBiomeOcean(above) || IsBiomeOcean(below) || IsBiomeOcean(left) || IsBiomeOcean(right)) + { + // First convert the value to a regular biome (drop the M flag), then modulo by our biome count: + val = ToBeach[(val % 128) % ARRAYCOUNT(ToBeach)]; + } + } + a_Values[x + z * SizeX] = val; + } + } + } + +protected: + Underlying m_Underlying; +}; + + + + + +/** Generates the underlying numbers and then randomly changes some ocean group pixels into random land +biome group pixels, based on the predefined chance. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenAddIslands : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenAddIslands(int a_Seed, int a_Chance, Underlying a_Underlying) : + super(a_Seed), + m_Chance(a_Chance), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + m_Underlying->GetInts(a_MinX, a_MinZ, a_Values); + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + if (a_Values[x + z * SizeX] == bgOcean) + { + int rnd = super::m_Noise.IntNoise2DInt(a_MinX + x, a_MinZ + z) / 7; + if (rnd % 1000 < m_Chance) + { + a_Values[x + z * SizeX] = (rnd / 1003) % bgLandOceanMax; + } + } + } // for x + } // for z + } + +protected: + /** Chance, in permille, of an island being generated in ocean. */ + int m_Chance; + + Underlying m_Underlying; +}; + + + + + +/** A filter that adds an edge biome group between two biome groups that need an edge between them. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenBiomeGroupEdges : + public cIntGen<SizeX, SizeZ> +{ + typedef cIntGen<SizeX, SizeZ> super; + + static const int m_UnderlyingSizeX = SizeX + 2; + static const int m_UnderlyingSizeZ = SizeZ + 2; + +public: + + typedef std::shared_ptr<cIntGen<m_UnderlyingSizeX, m_UnderlyingSizeZ>> Underlying; + + cIntGenBiomeGroupEdges(Underlying a_Underlying) : + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) + { + // Generate the underlying biome groups: + int lowerValues[m_UnderlyingSizeX * m_UnderlyingSizeZ]; + m_Underlying->GetInts(a_MinX, a_MinZ, lowerValues); + + // Change the biomes on incompatible edges into an edge biome: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int val = lowerValues[x + 1 + (z + 1) * m_UnderlyingSizeX]; + int above = lowerValues[x + 1 + z * m_UnderlyingSizeX]; + int below = lowerValues[x + 1 + (z + 2) * m_UnderlyingSizeX]; + int left = lowerValues[x + (z + 1) * m_UnderlyingSizeX]; + int right = lowerValues[x + 2 + (z + 1) * m_UnderlyingSizeX]; + switch (val) + { + // Desert should neighbor only oceans, desert and temperates; change to temperate when another: + case bgDesert: + { + if ( + !isDesertCompatible(above) || + !isDesertCompatible(below) || + !isDesertCompatible(left) || + !isDesertCompatible(right) + ) + { + val = bgTemperate; + } + break; + } // case bgDesert + + // Ice should not neighbor deserts; change to temperate: + case bgIce: + { + if ( + (above == bgDesert) || + (below == bgDesert) || + (left == bgDesert) || + (right == bgDesert) + ) + { + val = bgTemperate; + } + break; + } // case bgIce + } + a_Values[x + z * SizeX] = val; + } // for x + } // for z + } + +protected: + Underlying m_Underlying; + + + inline bool isDesertCompatible(int a_BiomeGroup) + { + switch (a_BiomeGroup) + { + case bgOcean: + case bgDesert: + case bgTemperate: + { + return true; + } + default: + { + return false; + } + } + } +}; + + + + + +/** Turns biome group indices into real biomes. +For each pixel, takes its biome group and chooses a random biome from that group; replaces the value with +that biome. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenBiomes : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenBiomes(int a_Seed, Underlying a_Underlying) : + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Define the per-biome-group biomes: + static const int oceanBiomes[] = + { + biOcean, // biDeepOcean, + }; + + // Same as oceanBiomes, there are no rare oceanic biomes (mushroom islands are handled separately) + static const int rareOceanBiomes[] = + { + biOcean, + }; + + static const int desertBiomes[] = + { + biDesert, biDesert, biDesert, biDesert, biDesert, biDesert, biSavanna, biSavanna, biPlains, + }; + + static const int rareDesertBiomes[] = + { + biMesaPlateau, biMesaPlateauF, + }; + + static const int temperateBiomes[] = + { + biForest, biForest, biRoofedForest, biExtremeHills, biPlains, biBirchForest, biSwampland, + }; + + static const int rareTemperateBiomes[] = + { + biJungle, // Jungle is not strictly temperate, but let's piggyback it here + }; + + static const int mountainBiomes[] = + { + biExtremeHills, biForest, biTaiga, biPlains, + }; + + static const int rareMountainBiomes[] = + { + biMegaTaiga, + }; + + static const int iceBiomes[] = + { + biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga, + }; + + // Same as iceBiomes, there's no rare ice biome + static const int rareIceBiomes[] = + { + biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga, + }; + + static const cBiomesInGroups biomesInGroups[] = + { + /* bgOcean */ { static_cast<int>(ARRAYCOUNT(oceanBiomes)), oceanBiomes}, + /* bgDesert */ { static_cast<int>(ARRAYCOUNT(desertBiomes)), desertBiomes}, + /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(temperateBiomes)), temperateBiomes}, + /* bgMountains */ { static_cast<int>(ARRAYCOUNT(mountainBiomes)), mountainBiomes}, + /* bgIce */ { static_cast<int>(ARRAYCOUNT(iceBiomes)), iceBiomes}, + }; + + static const cBiomesInGroups rareBiomesInGroups[] = + { + /* bgOcean */ { static_cast<int>(ARRAYCOUNT(rareOceanBiomes)), rareOceanBiomes}, + /* bgDesert */ { static_cast<int>(ARRAYCOUNT(rareDesertBiomes)), rareDesertBiomes}, + /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(rareTemperateBiomes)), rareTemperateBiomes}, + /* bgMountains */ { static_cast<int>(ARRAYCOUNT(rareMountainBiomes)), rareMountainBiomes}, + /* bgIce */ { static_cast<int>(ARRAYCOUNT(rareIceBiomes)), rareIceBiomes}, + }; + + // Generate the underlying values, representing biome groups: + m_Underlying->GetInts(a_MinX, a_MinZ, a_Values); + + // Overwrite each biome group with a random biome from that group: + for (int z = 0; z < SizeZ; z++) + { + int IdxZ = z * SizeX; + for (int x = 0; x < SizeX; x++) + { + int val = a_Values[x + IdxZ]; + const cBiomesInGroups & Biomes = (val > bgfRare) ? + rareBiomesInGroups[(val & (bgfRare - 1)) % ARRAYCOUNT(rareBiomesInGroups)] : + biomesInGroups[val % ARRAYCOUNT(biomesInGroups)]; + int rnd = (super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7); + a_Values[x + IdxZ] = Biomes.Biomes[rnd % Biomes.Count]; + } + } + } + +protected: + + struct cBiomesInGroups + { + const int Count; + const int * Biomes; + }; + + + /** The underlying int generator */ + Underlying m_Underlying; +}; + + + + + +/** Randomly replaces pixels of one value to another value, using the given chance. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenReplaceRandomly : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenReplaceRandomly(int a_From, int a_To, int a_Chance, int a_Seed, Underlying a_Underlying) : + super(a_Seed), + m_From(a_From), + m_To(a_To), + m_Chance(a_Chance), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying values: + m_Underlying->GetInts(a_MinX, a_MinZ, a_Values); + + // Replace some of the values: + for (int z = 0; z < SizeZ; z++) + { + int idxZ = z * SizeX; + for (int x = 0; x < SizeX; x++) + { + int idx = x + idxZ; + if (a_Values[idx] == m_From) + { + int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7; + if (rnd % 1000 < m_Chance) + { + a_Values[idx] = m_To; + } + } + } + } // for z + } + + +protected: + /** The original value to be replaced. */ + int m_From; + + /** The destination value to which to replace. */ + int m_To; + + /** Chance, in permille, of replacing the value. */ + int m_Chance; + + Underlying m_Underlying; +}; + + + + + +/** Mixer that joins together finalized biomes and rivers. +It first checks for oceans, if there is an ocean in the Biomes, it keeps the ocean. +If there's no ocean, it checks Rivers for a river, if there is a river, it uses the Biomes to select either +regular river or frozen river, based on the biome. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenMixRivers: + public cIntGen<SizeX, SizeZ> +{ + typedef cIntGen<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenMixRivers(Underlying a_Biomes, Underlying a_Rivers): + m_Biomes(a_Biomes), + m_Rivers(a_Rivers) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying data: + m_Biomes->GetInts(a_MinX, a_MinZ, a_Values); + typename super::Values riverData; + m_Rivers->GetInts(a_MinX, a_MinZ, riverData); + + // Mix the values: + for (int z = 0; z < SizeZ; z++) + { + int idxZ = z * SizeX; + for (int x = 0; x < SizeX; x++) + { + int idx = x + idxZ; + if (IsBiomeOcean(a_Values[idx])) + { + // Oceans are kept without any changes + continue; + } + if (riverData[idx] != biRiver) + { + // There's no river, keep the current value + continue; + } + + // There's a river, change the output to a river or a frozen river, based on the original biome: + if (IsBiomeVeryCold((EMCSBiome)a_Values[idx])) + { + a_Values[idx] = biFrozenRiver; + } + else + { + a_Values[idx] = biRiver; + } + } // for x + } // for z + } + +protected: + Underlying m_Biomes; + Underlying m_Rivers; +}; + + + + + +/** Generates a river based on the underlying data. +This is basically an edge detector over the underlying data. The rivers are the edges where the underlying data +changes from one pixel to its neighbor. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenRiver: + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + static const int UnderlyingSizeX = SizeX + 2; + static const int UnderlyingSizeZ = SizeZ + 2; + +public: + typedef std::shared_ptr<cIntGen<UnderlyingSizeX, UnderlyingSizeZ>> Underlying; + + + cIntGenRiver(int a_Seed, Underlying a_Underlying): + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying data: + int Cache[UnderlyingSizeX * UnderlyingSizeZ]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, Cache); + + // Detect the edges: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int Above = Cache[x + 1 + z * UnderlyingSizeX]; + int Below = Cache[x + 1 + (z + 2) * UnderlyingSizeX]; + int Left = Cache[x + (z + 1) * UnderlyingSizeX]; + int Right = Cache[x + 2 + (z + 1) * UnderlyingSizeX]; + int val = Cache[x + 1 + (z + 1) * UnderlyingSizeX]; + + if ((val == Above) && (val == Below) && (val == Left) && (val == Right)) + { + val = 0; + } + else + { + val = biRiver; + } + a_Values[x + z * SizeX] = val; + } // for x + } // for z + } + +protected: + Underlying m_Underlying; +}; + + + + + +/** Turns some of the oceans into the specified biome. Used for mushroom and deep ocean. +The biome is only placed if at least 3 of its neighbors are ocean and only with the specified chance. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenAddToOcean: + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + static const int UnderlyingSizeX = SizeX + 2; + static const int UnderlyingSizeZ = SizeZ + 2; + +public: + typedef std::shared_ptr<cIntGen<UnderlyingSizeX, UnderlyingSizeZ>> Underlying; + + + cIntGenAddToOcean(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying): + super(a_Seed), + m_Chance(a_Chance), + m_ToValue(a_ToValue), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying data: + int Cache[UnderlyingSizeX * UnderlyingSizeZ]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, Cache); + + // Add the mushroom islands: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int val = Cache[x + 1 + (z + 1) * UnderlyingSizeX]; + if (!IsBiomeOcean(val)) + { + a_Values[x + z * SizeX] = val; + continue; + } + + // Count the ocean neighbors: + int Above = Cache[x + 1 + z * UnderlyingSizeX]; + int Below = Cache[x + 1 + (z + 2) * UnderlyingSizeX]; + int Left = Cache[x + (z + 1) * UnderlyingSizeX]; + int Right = Cache[x + 2 + (z + 1) * UnderlyingSizeX]; + int NumOceanNeighbors = 0; + if (IsBiomeOcean(Above)) + { + NumOceanNeighbors += 1; + } + if (IsBiomeOcean(Below)) + { + NumOceanNeighbors += 1; + } + if (IsBiomeOcean(Left)) + { + NumOceanNeighbors += 1; + } + if (IsBiomeOcean(Right)) + { + NumOceanNeighbors += 1; + } + + // If at least 3 ocean neighbors and the chance is right, change: + if ( + (NumOceanNeighbors >= 3) && + ((super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7) % 1000 < m_Chance) + ) + { + a_Values[x + z * SizeX] = m_ToValue; + } + else + { + a_Values[x + z * SizeX] = val; + } + } // for x + } // for z + } + +protected: + /** Chance, in permille, of changing the biome. */ + int m_Chance; + + /** The value to change the ocean into. */ + int m_ToValue; + + Underlying m_Underlying; +}; + + + + + +/** Changes random pixels of the underlying data to the specified value. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenSetRandomly : + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + cIntGenSetRandomly(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying) : + super(a_Seed), + m_Chance(a_Chance), + m_ToValue(a_ToValue), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying data: + m_Underlying->GetInts(a_MinX, a_MinZ, a_Values); + + // Change random pixels to bgOcean: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7; + if (rnd % 1000 < m_Chance) + { + a_Values[x + z * SizeX] = m_ToValue; + } + } + } + } + +protected: + /** Chance, in permille, of changing each pixel. */ + int m_Chance; + + /** The value to which to set the pixel. */ + int m_ToValue; + + Underlying m_Underlying; +}; + + + + + + +/** Adds a "rare" flag to random biome groups, based on the given chance. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenRareBiomeGroups: + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenRareBiomeGroups(int a_Seed, int a_Chance, Underlying a_Underlying): + super(a_Seed), + m_Chance(a_Chance), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying data: + m_Underlying->GetInts(a_MinX, a_MinZ, a_Values); + + // Change some of the biome groups into rare biome groups: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7; + if (rnd % 1000 < m_Chance) + { + int idx = x + SizeX * z; + a_Values[idx] = a_Values[idx] | bgfRare; + } + } + } + } + +protected: + /** Chance, in permille, of changing each pixel into the rare biome group. */ + int m_Chance; + + /** The underlying generator. */ + Underlying m_Underlying; +}; + + + + + +/** Changes biomes in the parent data into an alternate versions (usually "hill" variants), in such places +that have their alterations set. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenAlternateBiomes: + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenAlternateBiomes(int a_Seed, Underlying a_Alterations, Underlying a_BaseBiomes): + super(a_Seed), + m_Alterations(a_Alterations), + m_BaseBiomes(a_BaseBiomes) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the base biomes and the alterations: + m_BaseBiomes->GetInts(a_MinX, a_MinZ, a_Values); + typename super::Values alterations; + m_Alterations->GetInts(a_MinX, a_MinZ, alterations); + + // Change the biomes into their alternate versions: + for (int idx = 0; idx < SizeX * SizeZ; ++idx) + { + if (alterations[idx] == 0) + { + // No change + continue; + } + + // Change to alternate biomes: + int val = a_Values[idx]; + switch (val) + { + case biBirchForest: val = biBirchForestHills; break; + case biDesert: val = biDesertHills; break; + case biExtremeHills: val = biExtremeHillsPlus; break; + case biForest: val = biForestHills; break; + case biIcePlains: val = biIceMountains; break; + case biJungle: val = biJungleHills; break; + case biMegaTaiga: val = biMegaTaigaHills; break; + case biMesaPlateau: val = biMesa; break; + case biMesaPlateauF: val = biMesa; break; + case biMesaPlateauM: val = biMesa; break; + case biMesaPlateauFM: val = biMesa; break; + case biPlains: val = biForest; break; + case biRoofedForest: val = biPlains; break; + case biSavanna: val = biSavannaPlateau; break; + case biTaiga: val = biTaigaHills; break; + } + a_Values[idx] = val; + } // for idx - a_Values[] + } + +protected: + Underlying m_Alterations; + Underlying m_BaseBiomes; +}; + + + + + +/** Adds an edge between two specifically incompatible biomes, such as mesa and forest. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenBiomeEdges: + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + static const int m_LowerSizeX = SizeX + 2; + static const int m_LowerSizeZ = SizeZ + 2; + +public: + typedef std::shared_ptr<cIntGen<m_LowerSizeX, m_LowerSizeZ>> Underlying; + + + cIntGenBiomeEdges(int a_Seed, Underlying a_Underlying): + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying biomes: + typename Underlying::element_type::Values lowerValues; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerValues); + + // Convert incompatible edges into neutral biomes: + for (int z = 0; z < SizeZ; z++) + { + for (int x = 0; x < SizeX; x++) + { + int biome = lowerValues[x + 1 + (z + 1) * m_LowerSizeX]; + int above = lowerValues[x + 1 + z * m_LowerSizeX]; + int below = lowerValues[x + 1 + (z + 2) * m_LowerSizeX]; + int left = lowerValues[x + (z + 1) * m_LowerSizeX]; + int right = lowerValues[x + 2 + (z + 1) * m_LowerSizeX]; + + switch (biome) + { + case biDesert: + case biDesertM: + case biDesertHills: + { + if ( + IsBiomeVeryCold(static_cast<EMCSBiome>(above)) || + IsBiomeVeryCold(static_cast<EMCSBiome>(below)) || + IsBiomeVeryCold(static_cast<EMCSBiome>(left)) || + IsBiomeVeryCold(static_cast<EMCSBiome>(right)) + ) + { + biome = biPlains; + } + break; + } // case biDesert + + case biMesaPlateau: + case biMesaPlateauF: + case biMesaPlateauFM: + case biMesaPlateauM: + { + if ( + !isMesaCompatible(above) || + !isMesaCompatible(below) || + !isMesaCompatible(left) || + !isMesaCompatible(right) + ) + { + biome = biDesert; + } + break; + } // Mesa biomes + + case biJungle: + case biJungleM: + { + if ( + !isJungleCompatible(above) || + !isJungleCompatible(below) || + !isJungleCompatible(left) || + !isJungleCompatible(right) + ) + { + biome = (biome == biJungle) ? biJungleEdge : biJungleEdgeM; + } + break; + } // Jungle biomes + + case biSwampland: + case biSwamplandM: + { + if ( + IsBiomeNoDownfall(static_cast<EMCSBiome>(above)) || + IsBiomeNoDownfall(static_cast<EMCSBiome>(below)) || + IsBiomeNoDownfall(static_cast<EMCSBiome>(left)) || + IsBiomeNoDownfall(static_cast<EMCSBiome>(right)) + ) + { + biome = biPlains; + } + break; + } // Swampland biomes + } // switch (biome) + + a_Values[x + z * SizeX] = biome; + } // for x + } // for z + } + + +protected: + Underlying m_Underlying; + + + bool isMesaCompatible(int a_Biome) + { + switch (a_Biome) + { + case biDesert: + case biMesa: + case biMesaBryce: + case biMesaPlateau: + case biMesaPlateauF: + case biMesaPlateauFM: + case biMesaPlateauM: + case biOcean: + case biDeepOcean: + { + return true; + } + default: + { + return false; + } + } + } + + + bool isJungleCompatible(int a_Biome) + { + switch (a_Biome) + { + case biJungle: + case biJungleM: + case biJungleEdge: + case biJungleEdgeM: + case biJungleHills: + { + return true; + } + default: + { + return false; + } + } + } +}; + + + + + +/** Changes biomes in the parent data into their alternate versions ("M" variants), in such places that +have their alterations set. */ +template <int SizeX, int SizeZ = SizeX> +class cIntGenMBiomes: + public cIntGenWithNoise<SizeX, SizeZ> +{ + typedef cIntGenWithNoise<SizeX, SizeZ> super; + +public: + typedef std::shared_ptr<cIntGen<SizeX, SizeZ>> Underlying; + + + cIntGenMBiomes(int a_Seed, Underlying a_Alteration, Underlying a_Underlying): + super(a_Seed), + m_Underlying(a_Underlying), + m_Alteration(a_Alteration) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, typename super::Values & a_Values) override + { + // Generate the underlying biomes and the alterations: + m_Underlying->GetInts(a_MinX, a_MinZ, a_Values); + typename super::Values alterations; + m_Alteration->GetInts(a_MinX, a_MinZ, alterations); + + // Wherever alterations are nonzero, change into alternate biome, if available: + for (int idx = 0; idx < SizeX * SizeZ; ++idx) + { + if (alterations[idx] == 0) + { + continue; + } + + // Ice spikes biome was removed from here, because it was generated way too often + switch (a_Values[idx]) + { + case biPlains: a_Values[idx] = biSunflowerPlains; break; + case biDesert: a_Values[idx] = biDesertM; break; + case biExtremeHills: a_Values[idx] = biExtremeHillsM; break; + case biForest: a_Values[idx] = biFlowerForest; break; + case biTaiga: a_Values[idx] = biTaigaM; break; + case biSwampland: a_Values[idx] = biSwamplandM; break; + case biJungle: a_Values[idx] = biJungleM; break; + case biJungleEdge: a_Values[idx] = biJungleEdgeM; break; + case biBirchForest: a_Values[idx] = biBirchForestM; break; + case biBirchForestHills: a_Values[idx] = biBirchForestHillsM; break; + case biRoofedForest: a_Values[idx] = biRoofedForestM; break; + case biColdTaiga: a_Values[idx] = biColdTaigaM; break; + case biMegaSpruceTaiga: a_Values[idx] = biMegaSpruceTaiga; break; + case biMegaSpruceTaigaHills: a_Values[idx] = biMegaSpruceTaigaHills; break; + case biExtremeHillsPlus: a_Values[idx] = biExtremeHillsPlusM; break; + case biSavanna: a_Values[idx] = biSavannaM; break; + case biSavannaPlateau: a_Values[idx] = biSavannaPlateauM; break; + case biMesa: a_Values[idx] = biMesaBryce; break; + case biMesaPlateauF: a_Values[idx] = biMesaPlateauFM; break; + case biMesaPlateau: a_Values[idx] = biMesaBryce; break; + } + } // for idx - a_Values[] / alterations[] + } + +protected: + Underlying m_Underlying; + Underlying m_Alteration; +}; + + + + diff --git a/src/Generating/MineShafts.h b/src/Generating/MineShafts.h index 2850db571..efb11cfee 100644 --- a/src/Generating/MineShafts.h +++ b/src/Generating/MineShafts.h @@ -10,7 +10,6 @@ #pragma once #include "GridStructGen.h" -#include "../Noise.h" diff --git a/src/Generating/Noise3DGenerator.cpp b/src/Generating/Noise3DGenerator.cpp index 5a4cb44cf..78b739d32 100644 --- a/src/Generating/Noise3DGenerator.cpp +++ b/src/Generating/Noise3DGenerator.cpp @@ -6,6 +6,7 @@ #include "Globals.h" #include "Noise3DGenerator.h" #include "../OSSupport/File.h" +#include "../OSSupport/Timer.h" #include "../IniFile.h" #include "../LinearInterpolation.h" #include "../LinearUpscale.h" @@ -61,6 +62,91 @@ public: +#if 0 +// Perform speed test of the cInterpolNoise class +static class cInterpolNoiseSpeedTest +{ +public: + cInterpolNoiseSpeedTest(void) + { + TestSpeed2D(); + TestSpeed3D(); + printf("InterpolNoise speed comparison finished.\n"); + } + + + /** Compare the speed of the 3D InterpolNoise vs 3D CubicNoise. */ + void TestSpeed3D(void) + { + printf("Evaluating 3D noise performance...\n"); + static const int SIZE_X = 128; + static const int SIZE_Y = 128; + static const int SIZE_Z = 128; + static const NOISE_DATATYPE MUL = 80; + std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]); + cTimer timer; + + // Test the cInterpolNoise: + cInterpolNoise<Interp5Deg> interpNoise(1); + long long start = timer.GetNowTime(); + for (int i = 0; i < 30; i++) + { + interpNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, MUL * i, MUL * i + MUL, 0, MUL, 0, MUL); + } + long long end = timer.GetNowTime(); + printf("InterpolNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + + // Test the cCubicNoise: + cCubicNoise cubicNoise(1); + start = timer.GetNowTime(); + for (int i = 0; i < 30; i++) + { + cubicNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, MUL * i, MUL * i + MUL, 0, MUL, 0, MUL); + } + end = timer.GetNowTime(); + printf("CubicNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + printf("3D noise performance comparison finished.\n"); + } + + + /** Compare the speed of the 2D InterpolNoise vs 2D CubicNoise. */ + void TestSpeed2D(void) + { + printf("Evaluating 2D noise performance...\n"); + static const int SIZE_X = 128; + static const int SIZE_Y = 128; + static const NOISE_DATATYPE MUL = 80; + std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y]); + cTimer timer; + + // Test the cInterpolNoise: + cInterpolNoise<Interp5Deg> interpNoise(1); + long long start = timer.GetNowTime(); + for (int i = 0; i < 500; i++) + { + interpNoise.Generate2D(arr.get(), SIZE_X, SIZE_Y, MUL * i, MUL * i + MUL, 0, MUL); + } + long long end = timer.GetNowTime(); + printf("InterpolNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + + // Test the cCubicNoise: + cCubicNoise cubicNoise(1); + start = timer.GetNowTime(); + for (int i = 0; i < 500; i++) + { + cubicNoise.Generate2D(arr.get(), SIZE_X, SIZE_Y, MUL * i, MUL * i + MUL, 0, MUL); + } + end = timer.GetNowTime(); + printf("CubicNoise took %.02f sec\n", static_cast<float>(end - start) / 1000); + printf("2D noise performance comparison finished.\n"); + } +} g_InterpolNoiseSpeedTest; +#endif + + + + + //////////////////////////////////////////////////////////////////////////////// // cNoise3DGenerator: @@ -69,9 +155,17 @@ cNoise3DGenerator::cNoise3DGenerator(cChunkGenerator & a_ChunkGenerator) : m_Perlin(1000), m_Cubic(1000) { - m_Perlin.AddOctave(1, (NOISE_DATATYPE)0.5); - m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 1); - m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 2); + m_Perlin.AddOctave(1, 1); + m_Perlin.AddOctave(2, 0.5); + m_Perlin.AddOctave(4, 0.25); + m_Perlin.AddOctave(8, 0.125); + m_Perlin.AddOctave(16, 0.0625); + + m_Cubic.AddOctave(1, 1); + m_Cubic.AddOctave(2, 0.5); + m_Cubic.AddOctave(4, 0.25); + m_Cubic.AddOctave(8, 0.125); + m_Cubic.AddOctave(16, 0.0625); #if 0 // DEBUG: Test the noise generation: @@ -154,8 +248,8 @@ void cNoise3DGenerator::Initialize(cIniFile & a_IniFile) { // Params: m_SeaLevel = a_IniFile.GetValueSetI("Generator", "Noise3DSeaLevel", 62); - m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0); - m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 75); + m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0.1); + m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 68); m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 8); m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 8); m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 8); @@ -220,10 +314,10 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT NOISE_DATATYPE NoiseW[DIM_X * DIM_Y * DIM_Z]; // Workspace that the noise calculation can use and trash // Our noise array has different layout, XZY, instead of regular chunk's XYZ, that's why the coords are "renamed" - NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width)) / m_FrequencyX; - NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((a_ChunkX + 1) * cChunkDef::Width) - 1) / m_FrequencyX; - NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width)) / m_FrequencyZ; - NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width) - 1) / m_FrequencyZ; + NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width)) / m_FrequencyX; + NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((a_ChunkX + 1) * cChunkDef::Width)) / m_FrequencyX; + NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width)) / m_FrequencyZ; + NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width)) / m_FrequencyZ; NOISE_DATATYPE StartY = 0; NOISE_DATATYPE EndY = ((NOISE_DATATYPE)256) / m_FrequencyY; @@ -233,23 +327,23 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT // Precalculate a "height" array: NOISE_DATATYPE Height[DIM_X * DIM_Z]; // Output for the cubic noise heightmap ("source") - m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 25, EndX / 25, StartZ / 25, EndZ / 25); + m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 5, EndX / 5, StartZ / 5, EndZ / 5); for (size_t i = 0; i < ARRAYCOUNT(Height); i++) { - Height[i] = std::abs(Height[i]) * m_HeightAmplification + 1; + Height[i] = Height[i] * m_HeightAmplification; } // Modify the noise by height data: for (int y = 0; y < DIM_Y; y++) { - NOISE_DATATYPE AddHeight = (y * UPSCALE_Y - m_MidPoint) / 20; - AddHeight *= AddHeight * AddHeight; + NOISE_DATATYPE AddHeight = (y * UPSCALE_Y - m_MidPoint) / 30; + // AddHeight *= AddHeight * AddHeight; for (int z = 0; z < DIM_Z; z++) { NOISE_DATATYPE * CurRow = &(NoiseO[y * DIM_X + z * DIM_X * DIM_Y]); for (int x = 0; x < DIM_X; x++) { - CurRow[x] += AddHeight / Height[x + DIM_X * z]; + CurRow[x] += AddHeight + Height[x + DIM_X * z]; } } } @@ -346,9 +440,10 @@ void cNoise3DGenerator::ComposeTerrain(cChunkDesc & a_ChunkDesc) // cNoise3DComposable: cNoise3DComposable::cNoise3DComposable(int a_Seed) : - m_Noise1(a_Seed + 1000), - m_Noise2(a_Seed + 2000), - m_Noise3(a_Seed + 3000) + m_ChoiceNoise(a_Seed), + m_DensityNoiseA(a_Seed + 1), + m_DensityNoiseB(a_Seed + 2), + m_BaseNoise(a_Seed + 3) { } @@ -359,13 +454,51 @@ cNoise3DComposable::cNoise3DComposable(int a_Seed) : void cNoise3DComposable::Initialize(cIniFile & a_IniFile) { // Params: + // The defaults generate extreme hills terrain m_SeaLevel = a_IniFile.GetValueSetI("Generator", "Noise3DSeaLevel", 62); - m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0); + m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0.045); m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 75); - m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 10); - m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 10); - m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 10); - m_AirThreshold = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DAirThreshold", 0.5); + m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 40); + m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 40); + m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 40); + m_BaseFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DBaseFrequencyX", 40); + m_BaseFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DBaseFrequencyZ", 40); + m_ChoiceFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DChoiceFrequencyX", 40); + m_ChoiceFrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DChoiceFrequencyY", 80); + m_ChoiceFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DChoiceFrequencyZ", 40); + m_AirThreshold = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DAirThreshold", 0); + int NumChoiceOctaves = a_IniFile.GetValueSetI("Generator", "Noise3DNumChoiceOctaves", 4); + int NumDensityOctaves = a_IniFile.GetValueSetI("Generator", "Noise3DNumDensityOctaves", 6); + int NumBaseOctaves = a_IniFile.GetValueSetI("Generator", "Noise3DNumBaseOctaves", 6); + NOISE_DATATYPE BaseNoiseAmplitude = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DBaseAmplitude", 1); + + // Add octaves for the choice noise: + NOISE_DATATYPE wavlen = 1, ampl = 0.5; + for (int i = 0; i < NumChoiceOctaves; i++) + { + m_ChoiceNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the density noises: + wavlen = 1, ampl = 1; + for (int i = 0; i < NumDensityOctaves; i++) + { + m_DensityNoiseA.AddOctave(wavlen, ampl); + m_DensityNoiseB.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the base noise: + wavlen = 1, ampl = BaseNoiseAmplitude; + for (int i = 0; i < NumBaseOctaves; i++) + { + m_BaseNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } } @@ -376,126 +509,399 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ) { if ((a_ChunkX == m_LastChunkX) && (a_ChunkZ == m_LastChunkZ)) { - // The noise for this chunk is already generated in m_Noise + // The noise for this chunk is already generated in m_NoiseArray return; } m_LastChunkX = a_ChunkX; m_LastChunkZ = a_ChunkZ; - // Upscaling parameters: - const int UPSCALE_X = 8; - const int UPSCALE_Y = 4; - const int UPSCALE_Z = 8; - - // Precalculate a "height" array: - NOISE_DATATYPE Height[17 * 17]; // x + 17 * z - for (int z = 0; z < 17; z += UPSCALE_Z) + // Generate all the noises: + NOISE_DATATYPE ChoiceNoise[5 * 5 * 33]; + NOISE_DATATYPE Workspace[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseA[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseB[5 * 5 * 33]; + NOISE_DATATYPE BaseNoise[5 * 5]; + NOISE_DATATYPE BlockX = static_cast<NOISE_DATATYPE>(a_ChunkX * cChunkDef::Width); + NOISE_DATATYPE BlockZ = static_cast<NOISE_DATATYPE>(a_ChunkZ * cChunkDef::Width); + // Note that we have to swap the coords, because noise generator uses [x + SizeX * y + SizeX * SizeY * z] ordering and we want "BlockY" to be "z": + m_ChoiceNoise.Generate3D (ChoiceNoise, 5, 5, 33, BlockX / m_ChoiceFrequencyX, (BlockX + 17) / m_ChoiceFrequencyX, BlockZ / m_ChoiceFrequencyZ, (BlockZ + 17) / m_ChoiceFrequencyZ, 0, 257 / m_ChoiceFrequencyY, Workspace); + m_DensityNoiseA.Generate3D(DensityNoiseA, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_DensityNoiseB.Generate3D(DensityNoiseB, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_BaseNoise.Generate2D (BaseNoise, 5, 5, BlockX / m_BaseFrequencyX, (BlockX + 17) / m_BaseFrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, Workspace); + + // Calculate the final noise based on the partial noises: + for (int y = 0; y < 33; y++) { - NOISE_DATATYPE NoiseZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width + z)) / m_FrequencyZ; - for (int x = 0; x < 17; x += UPSCALE_X) + NOISE_DATATYPE AddHeight = (static_cast<NOISE_DATATYPE>(y * 8) - m_MidPoint) * m_HeightAmplification; + + // If "underground", make the terrain smoother by forcing the vertical linear gradient into steeper slope: + if (AddHeight < 0) { - NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width + x)) / m_FrequencyX; - NOISE_DATATYPE val = std::abs(m_Noise1.CubicNoise2D(NoiseX / 5, NoiseZ / 5)) * m_HeightAmplification + 1; - Height[x + 17 * z] = val * val * val; + AddHeight *= 4; } - } - for (int y = 0; y < 257; y += UPSCALE_Y) - { - NOISE_DATATYPE NoiseY = ((NOISE_DATATYPE)y) / m_FrequencyY; - NOISE_DATATYPE AddHeight = (y - m_MidPoint) / 20; - AddHeight *= AddHeight * AddHeight; - NOISE_DATATYPE * CurFloor = &(m_NoiseArray[y * 17 * 17]); - for (int z = 0; z < 17; z += UPSCALE_Z) + for (int z = 0; z < 5; z++) { - NOISE_DATATYPE NoiseZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width + z)) / m_FrequencyZ; - for (int x = 0; x < 17; x += UPSCALE_X) + for (int x = 0; x < 5; x++) { - NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width + x)) / m_FrequencyX; - CurFloor[x + 17 * z] = ( - m_Noise1.CubicNoise3D(NoiseX, NoiseY, NoiseZ) * (NOISE_DATATYPE)0.5 + - m_Noise2.CubicNoise3D(NoiseX / 2, NoiseY / 2, NoiseZ / 2) + - m_Noise3.CubicNoise3D(NoiseX / 4, NoiseY / 4, NoiseZ / 4) * 2 + - AddHeight / Height[x + 17 * z] - ); + int idx = x + 5 * z + 5 * 5 * y; + Workspace[idx] = ClampedLerp(DensityNoiseA[idx], DensityNoiseB[idx], 8 * (ChoiceNoise[idx] + 0.5f)) + AddHeight + BaseNoise[x + 5 * z]; } } - // Linear-interpolate this XZ floor: - LinearUpscale2DArrayInPlace<17, 17, UPSCALE_X, UPSCALE_Z>(CurFloor); } + LinearUpscale3DArray<NOISE_DATATYPE>(Workspace, 5, 5, 33, m_NoiseArray, 4, 4, 8); +} + + + + + +void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) +{ + GenerateNoiseArrayIfNeeded(a_ChunkX, a_ChunkZ); - // Finish the 3D linear interpolation by interpolating between each XZ-floors on the Y axis - for (int y = 1; y < cChunkDef::Height; y++) + for (int z = 0; z < cChunkDef::Width; z++) { - if ((y % UPSCALE_Y) == 0) + for (int x = 0; x < cChunkDef::Width; x++) { - // This is the interpolation source floor, already calculated - continue; - } - int LoFloorY = (y / UPSCALE_Y) * UPSCALE_Y; - int HiFloorY = LoFloorY + UPSCALE_Y; - NOISE_DATATYPE * LoFloor = &(m_NoiseArray[LoFloorY * 17 * 17]); - NOISE_DATATYPE * HiFloor = &(m_NoiseArray[HiFloorY * 17 * 17]); - NOISE_DATATYPE * CurFloor = &(m_NoiseArray[y * 17 * 17]); - NOISE_DATATYPE Ratio = ((NOISE_DATATYPE)(y % UPSCALE_Y)) / UPSCALE_Y; - int idx = 0; - for (int z = 0; z < cChunkDef::Width; z++) + cChunkDef::SetHeight(a_HeightMap, x, z, m_SeaLevel); + for (int y = cChunkDef::Height - 1; y > m_SeaLevel; y--) + { + if (m_NoiseArray[y * 17 * 17 + z * 17 + x] <= m_AirThreshold) + { + cChunkDef::SetHeight(a_HeightMap, x, z, y); + break; + } + } // for y + } // for x + } // for z +} + + + + + +void cNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc) +{ + GenerateNoiseArrayIfNeeded(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ()); + + a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0); + + // Make basic terrain composition: + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int x = 0; x < cChunkDef::Width; x++) { - for (int x = 0; x < cChunkDef::Width; x++) + int LastAir = a_ChunkDesc.GetHeight(x, z) + 1; + bool HasHadWater = false; + for (int y = LastAir; y < m_SeaLevel; y++) { - CurFloor[idx] = LoFloor[idx] + (HiFloor[idx] - LoFloor[idx]) * Ratio; - idx += 1; + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_STATIONARY_WATER); } - idx += 1; // Skipping one X column + for (int y = LastAir - 1; y > 0; y--) + { + if (m_NoiseArray[x + 17 * z + 17 * 17 * y] > m_AirThreshold) + { + // "air" part + LastAir = y; + if (y < m_SeaLevel) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_STATIONARY_WATER); + HasHadWater = true; + } + continue; + } + // "ground" part: + if (LastAir - y > 4) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_STONE); + continue; + } + if (HasHadWater) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_SAND); + } + else + { + a_ChunkDesc.SetBlockType(x, y, z, (LastAir == y + 1) ? E_BLOCK_GRASS : E_BLOCK_DIRT); + } + } // for y + a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK); + } // for x + } // for z +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cBiomalNoise3DComposable: + +cBiomalNoise3DComposable::cBiomalNoise3DComposable(int a_Seed, cBiomeGenPtr a_BiomeGen) : + m_ChoiceNoise(a_Seed), + m_DensityNoiseA(a_Seed + 1), + m_DensityNoiseB(a_Seed + 2), + m_BaseNoise(a_Seed + 3), + m_BiomeGen(a_BiomeGen) +{ + // Generate the weight distribution for summing up neighboring biomes: + m_WeightSum = 0; + for (int z = 0; z <= AVERAGING_SIZE * 2; z++) + { + for (int x = 0; x <= AVERAGING_SIZE * 2; x++) + { + m_Weight[z][x] = static_cast<NOISE_DATATYPE>((5 - std::abs(5 - x)) + (5 - std::abs(5 - z))); + m_WeightSum += m_Weight[z][x]; } } +} - // The noise array is now fully interpolated - /* - // DEBUG: Output two images of the array, sliced by XY and XZ: - cFile f1; - if (f1.Open(Printf("Chunk_%d_%d_XY.raw", a_ChunkX, a_ChunkZ), cFile::fmWrite)) + + + + +void cBiomalNoise3DComposable::Initialize(cIniFile & a_IniFile) +{ + // Params: + // The defaults generate extreme hills terrain + m_SeaLevel = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DSeaLevel", 62); + m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DFrequencyX", 40); + m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DFrequencyY", 40); + m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DFrequencyZ", 40); + m_BaseFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DBaseFrequencyX", 40); + m_BaseFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DBaseFrequencyZ", 40); + m_ChoiceFrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DChoiceFrequencyX", 40); + m_ChoiceFrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DChoiceFrequencyY", 80); + m_ChoiceFrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DChoiceFrequencyZ", 40); + m_AirThreshold = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DAirThreshold", 0); + int NumChoiceOctaves = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DNumChoiceOctaves", 4); + int NumDensityOctaves = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DNumDensityOctaves", 6); + int NumBaseOctaves = a_IniFile.GetValueSetI("Generator", "BiomalNoise3DNumBaseOctaves", 6); + NOISE_DATATYPE BaseNoiseAmplitude = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "BiomalNoise3DBaseAmplitude", 1); + + // Add octaves for the choice noise: + NOISE_DATATYPE wavlen = 1, ampl = 0.5; + for (int i = 0; i < NumChoiceOctaves; i++) { - for (int z = 0; z < cChunkDef::Width; z++) + m_ChoiceNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the density noises: + wavlen = 1, ampl = 1; + for (int i = 0; i < NumDensityOctaves; i++) + { + m_DensityNoiseA.AddOctave(wavlen, ampl); + m_DensityNoiseB.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } + + // Add octaves for the base noise: + wavlen = 1, ampl = BaseNoiseAmplitude; + for (int i = 0; i < NumBaseOctaves; i++) + { + m_BaseNoise.AddOctave(wavlen, ampl); + wavlen = wavlen * 2; + ampl = ampl / 2; + } +} + + + + + +void cBiomalNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ) +{ + if ((a_ChunkX == m_LastChunkX) && (a_ChunkZ == m_LastChunkZ)) + { + // The noise for this chunk is already generated in m_NoiseArray + return; + } + m_LastChunkX = a_ChunkX; + m_LastChunkZ = a_ChunkZ; + + // Calculate the parameters for the biomes: + ChunkParam MidPoint; + ChunkParam HeightAmp; + CalcBiomeParamArrays(a_ChunkX, a_ChunkZ, HeightAmp, MidPoint); + + // Generate all the noises: + NOISE_DATATYPE ChoiceNoise[5 * 5 * 33]; + NOISE_DATATYPE Workspace[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseA[5 * 5 * 33]; + NOISE_DATATYPE DensityNoiseB[5 * 5 * 33]; + NOISE_DATATYPE BaseNoise[5 * 5]; + NOISE_DATATYPE BlockX = static_cast<NOISE_DATATYPE>(a_ChunkX * cChunkDef::Width); + NOISE_DATATYPE BlockZ = static_cast<NOISE_DATATYPE>(a_ChunkZ * cChunkDef::Width); + // Note that we have to swap the coords, because noise generator uses [x + SizeX * y + SizeX * SizeY * z] ordering and we want "BlockY" to be "z": + m_ChoiceNoise.Generate3D (ChoiceNoise, 5, 5, 33, BlockX / m_ChoiceFrequencyX, (BlockX + 17) / m_ChoiceFrequencyX, BlockZ / m_ChoiceFrequencyZ, (BlockZ + 17) / m_ChoiceFrequencyZ, 0, 257 / m_ChoiceFrequencyY, Workspace); + m_DensityNoiseA.Generate3D(DensityNoiseA, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_DensityNoiseB.Generate3D(DensityNoiseB, 5, 5, 33, BlockX / m_FrequencyX, (BlockX + 17) / m_FrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, 0, 257 / m_FrequencyY, Workspace); + m_BaseNoise.Generate2D (BaseNoise, 5, 5, BlockX / m_BaseFrequencyX, (BlockX + 17) / m_BaseFrequencyX, BlockZ / m_FrequencyZ, (BlockZ + 17) / m_FrequencyZ, Workspace); + + // Calculate the final noise based on the partial noises: + for (int y = 0; y < 33; y++) + { + NOISE_DATATYPE BlockHeight = static_cast<NOISE_DATATYPE>(y * 8); + for (int z = 0; z < 5; z++) { - for (int y = 0; y < cChunkDef::Height; y++) + for (int x = 0; x < 5; x++) { - int idx = y * 17 * 17 + z * 17; - unsigned char buf[16]; - for (int x = 0; x < cChunkDef::Width; x++) + NOISE_DATATYPE AddHeight = (BlockHeight - MidPoint[x + 5 * z]) * HeightAmp[x + 5 * z]; + + // If "underground", make the terrain smoother by forcing the vertical linear gradient into steeper slope: + if (AddHeight < 0) { - buf[x] = (unsigned char)(std::min(256, std::max(0, (int)(128 + 128 * m_Noise[idx++])))); + AddHeight *= 4; } - f1.Write(buf, 16); - } // for y - } // for z - } // if (XY file open) - cFile f2; - if (f2.Open(Printf("Chunk_%d_%d_XZ.raw", a_ChunkX, a_ChunkZ), cFile::fmWrite)) + int idx = x + 5 * z + 5 * 5 * y; + Workspace[idx] = ClampedLerp(DensityNoiseA[idx], DensityNoiseB[idx], 8 * (ChoiceNoise[idx] + 0.5f)) + AddHeight + BaseNoise[x + 5 * z]; + } + } + } + LinearUpscale3DArray<NOISE_DATATYPE>(Workspace, 5, 5, 33, m_NoiseArray, 4, 4, 8); +} + + + + + +void cBiomalNoise3DComposable::CalcBiomeParamArrays(int a_ChunkX, int a_ChunkZ, ChunkParam & a_HeightAmp, ChunkParam & a_MidPoint) +{ + // Generate the 3*3 chunks of biomes around this chunk: + cChunkDef::BiomeMap neighborBiomes[3 * 3]; + for (int z = 0; z < 3; z++) { - for (int y = 0; y < cChunkDef::Height; y++) + for (int x = 0; x < 3; x++) { - for (int z = 0; z < cChunkDef::Width; z++) + m_BiomeGen->GenBiomes(a_ChunkX + x - 1, a_ChunkZ + z - 1, neighborBiomes[x + 3 * z]); + } + } + + // Sum up the biome values: + for (int z = 0; z < 5; z++) + { + for (int x = 0; x < 5; x++) + { + NOISE_DATATYPE totalHeightAmp = 0; + NOISE_DATATYPE totalMidPoint = 0; + // Add up the biomes around this point: + for (int relz = 0; relz <= AVERAGING_SIZE * 2; ++relz) { - int idx = y * 17 * 17 + z * 17; - unsigned char buf[16]; - for (int x = 0; x < cChunkDef::Width; x++) + int colz = 16 + z * 4 + relz - AVERAGING_SIZE; // Biome Z coord relative to the neighborBiomes start + int neicellz = colz / 16; // Chunk Z coord relative to the neighborBiomes start + int neirelz = colz % 16; // Biome Z coord relative to cz in neighborBiomes + for (int relx = 0; relx <= AVERAGING_SIZE * 2; ++relx) { - buf[x] = (unsigned char)(std::min(256, std::max(0, (int)(128 + 128 * m_Noise[idx++])))); - } - f2.Write(buf, 16); - } // for z - } // for y - } // if (XZ file open) - */ + int colx = 16 + x * 4 + relx - AVERAGING_SIZE; // Biome X coord relative to the neighborBiomes start + int neicellx = colx / 16; // Chunk X coord relative to the neighborBiomes start + int neirelx = colx % 16; // Biome X coord relative to cz in neighborBiomes + EMCSBiome biome = cChunkDef::GetBiome(neighborBiomes[neicellx + neicellz * 3], neirelx, neirelz); + NOISE_DATATYPE heightAmp, midPoint; + GetBiomeParams(biome, heightAmp, midPoint); + totalHeightAmp += heightAmp * m_Weight[relz][relx]; + totalMidPoint += midPoint * m_Weight[relz][relx]; + } // for relx + } // for relz + a_HeightAmp[x + 5 * z] = totalHeightAmp / m_WeightSum; + a_MidPoint[x + 5 * z] = totalMidPoint / m_WeightSum; + } // for x + } // for z } -void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) +void cBiomalNoise3DComposable::GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE & a_HeightAmp, NOISE_DATATYPE & a_MidPoint) +{ + switch (a_Biome) + { + case biBeach: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biBirchForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biBirchForestHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biBirchForestHillsM: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biBirchForestM: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biColdBeach: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biDesertHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biDeepOcean: a_HeightAmp = 0.17f; a_MidPoint = 35; break; + case biDesert: a_HeightAmp = 0.29f; a_MidPoint = 62; break; + case biEnd: a_HeightAmp = 0.15f; a_MidPoint = 64; break; + case biExtremeHills: a_HeightAmp = 0.045f; a_MidPoint = 75; break; + case biExtremeHillsPlus: a_HeightAmp = 0.04f; a_MidPoint = 80; break; + case biFlowerForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break; + case biForestHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biFrozenRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break; + case biFrozenOcean: a_HeightAmp = 0.17f; a_MidPoint = 47; break; + case biIceMountains: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biIcePlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biIcePlainsSpikes: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biJungle: a_HeightAmp = 0.1f; a_MidPoint = 63; break; + case biJungleHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biJungleM: a_HeightAmp = 0.1f; a_MidPoint = 63; break; + case biMegaSpruceTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biMegaTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + case biMushroomShore: a_HeightAmp = 0.15f; a_MidPoint = 15; break; + case biOcean: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biPlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break; + case biRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break; + case biSwampland: a_HeightAmp = 0.25f; a_MidPoint = 59; break; + case biSwamplandM: a_HeightAmp = 0.11f; a_MidPoint = 59; break; + case biTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break; + + /* + // Still missing: + case biColdTaiga: a_HeightAmp = 0.15f; a_MidPoint = 30; break; + case biColdTaigaHills: a_HeightAmp = 0.15f; a_MidPoint = 31; break; + case biColdTaigaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biDesertM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biExtremeHillsEdge: a_HeightAmp = 0.15f; a_MidPoint = 20; break; + case biExtremeHillsM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biExtremeHillsPlusM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biJungleEdge: a_HeightAmp = 0.15f; a_MidPoint = 23; break; + case biJungleEdgeM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMegaSpruceTaiga: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMegaTaiga: a_HeightAmp = 0.15f; a_MidPoint = 32; break; + case biMesa: a_HeightAmp = 0.15f; a_MidPoint = 37; break; + case biMesaBryce: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMesaPlateau: a_HeightAmp = 0.15f; a_MidPoint = 39; break; + case biMesaPlateauF: a_HeightAmp = 0.15f; a_MidPoint = 38; break; + case biMesaPlateauFM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMesaPlateauM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biMushroomIsland: a_HeightAmp = 0.15f; a_MidPoint = 14; break; + case biNether: a_HeightAmp = 0.15f; a_MidPoint = 68; break; + case biRoofedForest: a_HeightAmp = 0.15f; a_MidPoint = 29; break; + case biRoofedForestM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biSavanna: a_HeightAmp = 0.15f; a_MidPoint = 35; break; + case biSavannaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biSavannaPlateau: a_HeightAmp = 0.15f; a_MidPoint = 36; break; + case biSavannaPlateauM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biStoneBeach: a_HeightAmp = 0.15f; a_MidPoint = 25; break; + case biSunflowerPlains: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + case biTaiga: a_HeightAmp = 0.15f; a_MidPoint = 65; break; + case biTaigaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break; + */ + + default: + { + // Make a crazy terrain so that it stands out + a_HeightAmp = 0.001f; + a_MidPoint = 90; + break; + } + } +} + + + + + +void cBiomalNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) { GenerateNoiseArrayIfNeeded(a_ChunkX, a_ChunkZ); @@ -520,7 +926,7 @@ void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Hei -void cNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc) +void cBiomalNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc) { GenerateNoiseArrayIfNeeded(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ()); diff --git a/src/Generating/Noise3DGenerator.h b/src/Generating/Noise3DGenerator.h index 42f61a854..07767ba84 100644 --- a/src/Generating/Noise3DGenerator.h +++ b/src/Generating/Noise3DGenerator.h @@ -1,7 +1,11 @@ // Noise3DGenerator.h -// Generates terrain using 3D noise, rather than composing. Is a test. +// Declares cNoise3DGenerator and cNoise3DComposable classes, representing 3D-noise-based generators. +// They generate terrain shape by combining a lerp of two 3D noises with a vertical linear gradient +// cNoise3DGenerator is obsolete and unmaintained. +// cNoise3DComposable is used to test parameter combinations for single-biome worlds. + @@ -9,7 +13,8 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" +#include "../Noise/InterpolNoise.h" @@ -30,17 +35,20 @@ public: protected: // Linear interpolation step sizes, must be divisors of cChunkDef::Width and cChunkDef::Height, respectively: - static const int UPSCALE_X = 8; - static const int UPSCALE_Y = 4; - static const int UPSCALE_Z = 8; + static const int UPSCALE_X = 4; + static const int UPSCALE_Y = 8; + static const int UPSCALE_Z = 4; // Linear interpolation buffer dimensions, calculated from the step sizes: static const int DIM_X = 1 + cChunkDef::Width / UPSCALE_X; static const int DIM_Y = 1 + cChunkDef::Height / UPSCALE_Y; static const int DIM_Z = 1 + cChunkDef::Width / UPSCALE_Z; - cPerlinNoise m_Perlin; // The base 3D noise source for the actual composition - cCubicNoise m_Cubic; // The noise used for heightmap directing + /** The base 3D noise source for the actual composition */ + cOctavedNoise<cInterp5DegNoise> m_Perlin; + + /** The noise used for heightmap directing. */ + cOctavedNoise<cInterp5DegNoise> m_Cubic; int m_SeaLevel; NOISE_DATATYPE m_HeightAmplification; @@ -74,31 +82,147 @@ public: void Initialize(cIniFile & a_IniFile); protected: - cNoise m_Noise1; - cNoise m_Noise2; - cNoise m_Noise3; + /** The noise that is used to choose between density noise A and B. */ + cPerlinNoise m_ChoiceNoise; + + /** Density 3D noise, variant A. */ + cPerlinNoise m_DensityNoiseA; + + /** Density 3D noise, variant B. */ + cPerlinNoise m_DensityNoiseB; + + /** Heightmap-like noise used to provide variance for low-amplitude biomes. */ + cPerlinNoise m_BaseNoise; - int m_SeaLevel; + /** Block height of the sealevel, used for composing the terrain. */ + int m_SeaLevel; + + /** The main parameter of the generator, specifies the slope of the vertical linear gradient. + A higher value means a steeper slope and a smaller total amplitude of the generated terrain. */ NOISE_DATATYPE m_HeightAmplification; - NOISE_DATATYPE m_MidPoint; // Where the vertical "center" of the noise should be + + /** Where the vertical "center" of the noise should be, as block height. */ + NOISE_DATATYPE m_MidPoint; + + // Frequency of the 3D noise's first octave: + NOISE_DATATYPE m_FrequencyX; + NOISE_DATATYPE m_FrequencyY; + NOISE_DATATYPE m_FrequencyZ; + + // Frequency of the base terrain noise: + NOISE_DATATYPE m_BaseFrequencyX; + NOISE_DATATYPE m_BaseFrequencyZ; + + // Frequency of the choice noise: + NOISE_DATATYPE m_ChoiceFrequencyX; + NOISE_DATATYPE m_ChoiceFrequencyY; + NOISE_DATATYPE m_ChoiceFrequencyZ; + + // Threshold for when the values are considered air: + NOISE_DATATYPE m_AirThreshold; + + // Cache for the last calculated chunk (reused between heightmap and composition queries): + int m_LastChunkX; + int m_LastChunkZ; + NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // x + 17 * z + 17 * 17 * y + + + /** Generates the 3D noise array used for terrain generation (m_NoiseArray), unless the LastChunk coords are equal to coords given */ + void GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ); + + // cTerrainHeightGen overrides: + virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; + virtual void InitializeHeightGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } + + // cTerrainCompositionGen overrides: + virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } +} ; + + + + + +class cBiomalNoise3DComposable : + public cTerrainHeightGen, + public cTerrainCompositionGen +{ +public: + cBiomalNoise3DComposable(int a_Seed, cBiomeGenPtr a_BiomeGen); + + void Initialize(cIniFile & a_IniFile); + +protected: + /** Number of columns around the pixel to query for biomes for averaging. */ + static const int AVERAGING_SIZE = 5; + + /** Type used for a single parameter across the entire (downscaled) chunk. */ + typedef NOISE_DATATYPE ChunkParam[5 * 5]; + + + /** The noise that is used to choose between density noise A and B. */ + cPerlinNoise m_ChoiceNoise; + + /** Density 3D noise, variant A. */ + cPerlinNoise m_DensityNoiseA; + + /** Density 3D noise, variant B. */ + cPerlinNoise m_DensityNoiseB; + + /** Heightmap-like noise used to provide variance for low-amplitude biomes. */ + cPerlinNoise m_BaseNoise; + + /** The underlying biome generator. */ + cBiomeGenPtr m_BiomeGen; + + /** Block height of the sealevel, used for composing the terrain. */ + int m_SeaLevel; + + // Frequency of the 3D noise's first octave: NOISE_DATATYPE m_FrequencyX; NOISE_DATATYPE m_FrequencyY; NOISE_DATATYPE m_FrequencyZ; + + // Frequency of the base terrain noise: + NOISE_DATATYPE m_BaseFrequencyX; + NOISE_DATATYPE m_BaseFrequencyZ; + + // Frequency of the choice noise: + NOISE_DATATYPE m_ChoiceFrequencyX; + NOISE_DATATYPE m_ChoiceFrequencyY; + NOISE_DATATYPE m_ChoiceFrequencyZ; + + // Threshold for when the values are considered air: NOISE_DATATYPE m_AirThreshold; + // Cache for the last calculated chunk (reused between heightmap and composition queries): int m_LastChunkX; int m_LastChunkZ; NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // x + 17 * z + 17 * 17 * y + + /** Weights for summing up neighboring biomes. */ + NOISE_DATATYPE m_Weight[AVERAGING_SIZE * 2 + 1][AVERAGING_SIZE * 2 + 1]; + + /** The sum of m_Weight[]. */ + NOISE_DATATYPE m_WeightSum; - /// Generates the 3D noise array used for terrain generation, unless the LastChunk coords are equal to coords given + /** Generates the 3D noise array used for terrain generation (m_NoiseArray), unless the LastChunk coords are equal to coords given */ void GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ); + + /** Calculates the biome-related parameters for the chunk. */ + void CalcBiomeParamArrays(int a_ChunkX, int a_ChunkZ, ChunkParam & a_HeightAmp, ChunkParam & a_MidPoint); + + /** Returns the parameters for the specified biome. */ + void GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE & a_HeightAmp, NOISE_DATATYPE & a_MidPoint); // cTerrainHeightGen overrides: virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override; + virtual void InitializeHeightGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } // cTerrainCompositionGen overrides: virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override; + virtual void InitializeCompoGen(cIniFile & a_IniFile) override { Initialize(a_IniFile); } } ; diff --git a/src/Generating/PieceGenerator.h b/src/Generating/PieceGenerator.h index f06029280..43ffed7a2 100644 --- a/src/Generating/PieceGenerator.h +++ b/src/Generating/PieceGenerator.h @@ -20,7 +20,7 @@ Each uses a slightly different approach to generating: #include "../Defines.h" #include "../Cuboid.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/ProtIntGen.h b/src/Generating/ProtIntGen.h new file mode 100644 index 000000000..73ed27096 --- /dev/null +++ b/src/Generating/ProtIntGen.h @@ -0,0 +1,1351 @@ + +// ProtIntGen.h + +// Declares the prototyping integer generators - cProtIntGen class and its descendants + +/* +These classes generate 2D arrays of integers that have various interpretations. The main purpose of these +classes is to provide fast prototyping for cIntGen classes - unlike cIntGen classes, these are not +template-based and so they take care of the underlying sizes automatically. This makes them easier to chain +and re-chain, since the size parameters don't need to be adjusted after each such case. Their performance is, +however, slightly worse, which is why we use cIntGen classes in the final generator. + +Because there is no SizeX / SizeZ template param, the generators would have to either alloc memory for each +underlying generator's values, or use a maximum-size buffer. We chose the latter, to avoid memory allocation +overhead; this however means that there's (an arbitrary) limit to the size of the generated data. +*/ + + + + + +#pragma once + +// We need the biome group constants defined there: +#include "IntGen.h" + + + + + +/** Interface that all the generator classes provide. */ +class cProtIntGen +{ +protected: + /** Maximum size of the generated area. + Adjust the constant if you need larger areas, these are just so that we can use fixed-size buffers. */ + static const int m_BufferSize = 900; + +public: + + /** Type of the generic interface used for storing links to the underlying generators. */ + typedef std::shared_ptr<cProtIntGen> Underlying; + + + /** Force a virtual destructor in all descendants. + Descendants contain virtual functions and are referred to via pointer-to-base, so they need a virtual destructor. */ + virtual ~cProtIntGen() {} + + /** Generates the array of specified size into a_Values, based on given min coords. */ + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) = 0; +}; + + + + + +/** Provides additional cNoise member and its helper functions. */ +class cProtIntGenWithNoise : + public cProtIntGen +{ + typedef cProtIntGen super; + +public: + cProtIntGenWithNoise(int a_Seed) : + m_Noise(a_Seed) + { + } + +protected: + cNoise m_Noise; + + /** Chooses one of a_Val1 or a_Val2, based on m_Noise and the coordinates for querying the noise. */ + int chooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2) + { + int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7; + return ((rnd & 1) == 0) ? a_Val1 : a_Val2; + } + + /** Chooses one of a_ValN, based on m_Noise and the coordinates for querying the noise. */ + int chooseRandomOne(int a_RndX, int a_RndZ, int a_Val1, int a_Val2, int a_Val3, int a_Val4) + { + int rnd = m_Noise.IntNoise2DInt(a_RndX, a_RndZ) / 7; + switch (rnd % 4) + { + case 0: return a_Val1; + case 1: return a_Val2; + case 2: return a_Val3; + default: return a_Val4; + } + } +}; + + + + + + +/** Generates a 2D array of random integers in the specified range [0 .. Range). */ +class cProtIntGenChoice : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenChoice(int a_Seed, int a_Range) : + super(a_Seed), + m_Range(a_Range) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + for (int z = 0; z < a_SizeZ; z++) + { + int BaseZ = a_MinZ + z; + for (int x = 0; x < a_SizeX; x++) + { + a_Values[x + a_SizeX * z] = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7) % m_Range; + } + } // for z + } + +protected: + int m_Range; +}; + + + + + + +/** Decides between the ocean and landmass biomes. +Has a threshold (in percent) of how much land, the larger the threshold, the more land. +Generates 0 for ocean, biome group ID for landmass. */ +class cProtIntGenLandOcean : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenLandOcean(int a_Seed, int a_Threshold) : + super(a_Seed), + m_Threshold(a_Threshold) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + for (int z = 0; z < a_SizeZ; z++) + { + int BaseZ = a_MinZ + z; + for (int x = 0; x < a_SizeX; x++) + { + int rnd = (super::m_Noise.IntNoise2DInt(a_MinX + x, BaseZ) / 7); + a_Values[x + a_SizeX * z] = ((rnd % 100) < m_Threshold) ? ((rnd / 101) % bgLandOceanMax + 1) : 0; + } + } + + // If the centerpoint of the world is within the area, set it to bgTemperate, always: + if ((a_MinX <= 0) && (a_MinZ <= 0) && (a_MinX + a_SizeX > 0) && (a_MinZ + a_SizeZ > 0)) + { + a_Values[-a_MinX - a_MinZ * a_SizeX] = bgTemperate; + } + } + +protected: + int m_Threshold; +}; + + + + + +/** Zooms the underlying value array to twice the size. Uses random-neighbor for the pixels in-between. +This means that the zoome out image is randomly distorted. Applying zoom several times provides all +the distortion that the generators need. */ +class cProtIntGenZoom : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenZoom(int a_Seed, Underlying a_UnderlyingGen) : + super(a_Seed), + m_UnderlyingGen(a_UnderlyingGen) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Get the coords for the lower generator: + int lowerMinX = a_MinX >> 1; + int lowerMinZ = a_MinZ >> 1; + int lowerSizeX = a_SizeX / 2 + 2; + int lowerSizeZ = a_SizeZ / 2 + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + ASSERT(lowerSizeX > 0); + ASSERT(lowerSizeZ > 0); + + // Generate the underlying data with half the resolution: + int lowerData[m_BufferSize]; + m_UnderlyingGen->GetInts(lowerMinX, lowerMinZ, lowerSizeX, lowerSizeZ, lowerData); + const int lowStepX = (lowerSizeX - 1) * 2; + int cache[m_BufferSize]; + + // Discreet-interpolate the values into twice the size: + for (int z = 0; z < lowerSizeZ - 1; ++z) + { + int idx = (z * 2) * lowStepX; + int PrevZ0 = lowerData[z * lowerSizeX]; + int PrevZ1 = lowerData[(z + 1) * lowerSizeX]; + + for (int x = 0; x < lowerSizeX - 1; ++x) + { + int ValX1Z0 = lowerData[x + 1 + z * lowerSizeX]; + int ValX1Z1 = lowerData[x + 1 + (z + 1) * lowerSizeX]; + int RndX = (x + lowerMinX) * 2; + int RndZ = (z + lowerMinZ) * 2; + cache[idx] = PrevZ0; + cache[idx + lowStepX] = super::chooseRandomOne(RndX, RndZ + 1, PrevZ0, PrevZ1); + cache[idx + 1] = super::chooseRandomOne(RndX, RndZ - 1, PrevZ0, ValX1Z0); + cache[idx + 1 + lowStepX] = super::chooseRandomOne(RndX, RndZ, PrevZ0, ValX1Z0, PrevZ1, ValX1Z1); + idx += 2; + PrevZ0 = ValX1Z0; + PrevZ1 = ValX1Z1; + } + } + + // Copy from Cache into a_Values; take into account the even/odd offsets in a_Min: + for (int z = 0; z < a_SizeZ; ++z) + { + memcpy(a_Values + z * a_SizeX, cache + (z + (a_MinZ & 1)) * lowStepX + (a_MinX & 1), a_SizeX * sizeof(int)); + } + } + +protected: + Underlying m_UnderlyingGen; +}; + + + + + +/** Smoothes out some artifacts generated by the zooming - mostly single-pixel values. +Compares each pixel to its neighbors and if the neighbors are equal, changes the pixel to their value. */ +class cProtIntGenSmooth : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenSmooth(int a_Seed, Underlying a_Underlying) : + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying values: + int lowerSizeX = a_SizeX + 2; + int lowerSizeZ = a_SizeZ + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + int lowerData[m_BufferSize]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerData); + + // Smooth - for each square check if the surroundings are the same, if so, expand them diagonally. + // Also get rid of single-pixel irregularities (A-B-A): + for (int z = 0; z < a_SizeZ; z++) + { + int NoiseZ = a_MinZ + z; + for (int x = 0; x < a_SizeX; x++) + { + int val = lowerData[x + 1 + (z + 1) * lowerSizeX]; + int above = lowerData[x + 1 + z * lowerSizeX]; + int below = lowerData[x + 1 + (z + 2) * lowerSizeX]; + int left = lowerData[x + (z + 1) * lowerSizeX]; + int right = lowerData[x + 2 + (z + 1) * lowerSizeX]; + + if ((left == right) && (above == below)) + { + if (((super::m_Noise.IntNoise2DInt(a_MinX + x, NoiseZ) / 7) % 2) == 0) + { + val = left; + } + else + { + val = above; + } + } + else + { + if (left == right) + { + val = left; + } + + if (above == below) + { + val = above; + } + } + + a_Values[x + z * a_SizeX] = val; + } + } + } + +protected: + Underlying m_Underlying; +}; + + + + + +/** Converts land biomes at the edge of an ocean into the respective beach biome. */ +class cProtIntGenBeaches : + public cProtIntGen +{ + typedef cProtIntGen super; + +public: + cProtIntGenBeaches(Underlying a_Underlying) : + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Map for biome -> its beach: + static const int ToBeach[] = + { + /* biOcean */ biOcean, + /* biPlains */ biBeach, + /* biDesert */ biBeach, + /* biExtremeHills */ biStoneBeach, + /* biForest */ biBeach, + /* biTaiga */ biColdBeach, + /* biSwampland */ biSwampland, + /* biRiver */ biRiver, + /* biNether */ biNether, + /* biEnd */ biEnd, + /* biFrozenOcean */ biColdBeach, + /* biFrozenRiver */ biColdBeach, + /* biIcePlains */ biColdBeach, + /* biIceMountains */ biColdBeach, + /* biMushroomIsland */ biMushroomShore, + /* biMushroomShore */ biMushroomShore, + /* biBeach */ biBeach, + /* biDesertHills */ biBeach, + /* biForestHills */ biBeach, + /* biTaigaHills */ biColdBeach, + /* biExtremeHillsEdge */ biStoneBeach, + /* biJungle */ biBeach, + /* biJungleHills */ biBeach, + /* biJungleEdge */ biBeach, + /* biDeepOcean */ biOcean, + /* biStoneBeach */ biStoneBeach, + /* biColdBeach */ biColdBeach, + /* biBirchForest */ biBeach, + /* biBirchForestHills */ biBeach, + /* biRoofedForest */ biBeach, + /* biColdTaiga */ biColdBeach, + /* biColdTaigaHills */ biColdBeach, + /* biMegaTaiga */ biStoneBeach, + /* biMegaTaigaHills */ biStoneBeach, + /* biExtremeHillsPlus */ biStoneBeach, + /* biSavanna */ biBeach, + /* biSavannaPlateau */ biBeach, + /* biMesa */ biMesa, + /* biMesaPlateauF */ biMesa, + /* biMesaPlateau */ biMesa, + }; + + // Generate the underlying values: + int lowerSizeX = a_SizeX + 2; + int lowerSizeZ = a_SizeZ + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + int lowerValues[m_BufferSize]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues); + + // Add beaches between ocean and biomes: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int val = lowerValues[x + 1 + (z + 1) * lowerSizeX]; + int above = lowerValues[x + 1 + z * lowerSizeX]; + int below = lowerValues[x + 1 + (z + 2) * lowerSizeX]; + int left = lowerValues[x + (z + 1) * lowerSizeX]; + int right = lowerValues[x + 2 + (z + 1) * lowerSizeX]; + if (!IsBiomeOcean(val)) + { + if (IsBiomeOcean(above) || IsBiomeOcean(below) || IsBiomeOcean(left) || IsBiomeOcean(right)) + { + // First convert the value to a regular biome (drop the M flag), then modulo by our biome count: + val = ToBeach[(val % 128) % ARRAYCOUNT(ToBeach)]; + } + } + a_Values[x + z * a_SizeX] = val; + } + } + } + +protected: + Underlying m_Underlying; +}; + + + + + +/** Generates the underlying numbers and then randomly changes some ocean group pixels into random land +biome group pixels, based on the predefined chance. */ +class cProtIntGenAddIslands : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + typedef std::shared_ptr<cProtIntGen> Underlying; + + + cProtIntGenAddIslands(int a_Seed, int a_Chance, Underlying a_Underlying) : + super(a_Seed), + m_Chance(a_Chance), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + if (a_Values[x + z * a_SizeX] == bgOcean) + { + int rnd = super::m_Noise.IntNoise2DInt(a_MinX + x, a_MinZ + z) / 7; + if (rnd % 1000 < m_Chance) + { + a_Values[x + z * a_SizeX] = (rnd / 1003) % bgLandOceanMax; + } + } + } + } + } + +protected: + /** Chance of each ocean pixel being converted, in permille. */ + int m_Chance; + + Underlying m_Underlying; +}; + + + + + +/** A filter that adds an edge biome group between two biome groups that need an edge between them. */ +class cProtIntGenBiomeGroupEdges : + public cProtIntGen +{ + typedef cProtIntGen super; + +public: + cProtIntGenBiomeGroupEdges(Underlying a_Underlying) : + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) + { + // Generate the underlying biome groups: + int lowerSizeX = a_SizeX + 2; + int lowerSizeZ = a_SizeZ + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + int lowerValues[m_BufferSize]; + m_Underlying->GetInts(a_MinX, a_MinZ, lowerSizeX, lowerSizeZ, lowerValues); + + // Change the biomes on incompatible edges into an edge biome: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int val = lowerValues[x + 1 + (z + 1) * lowerSizeX]; + int Above = lowerValues[x + 1 + z * lowerSizeX]; + int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX]; + int Left = lowerValues[x + (z + 1) * lowerSizeX]; + int Right = lowerValues[x + 2 + (z + 1) * lowerSizeX]; + switch (val) + { + // Desert should neighbor only oceans, desert and temperates; change to temperate when another: + case bgDesert: + { + if ( + !isDesertCompatible(Above) || + !isDesertCompatible(Below) || + !isDesertCompatible(Left) || + !isDesertCompatible(Right) + ) + { + val = bgTemperate; + } + break; + } // case bgDesert + + // Ice should not neighbor deserts; change to temperate: + case bgIce: + { + if ( + (Above == bgDesert) || + (Below == bgDesert) || + (Left == bgDesert) || + (Right == bgDesert) + ) + { + val = bgTemperate; + } + break; + } // case bgIce + } + a_Values[x + z * a_SizeX] = val; + } // for x + } // for z + } + +protected: + Underlying m_Underlying; + + + inline bool isDesertCompatible(int a_BiomeGroup) + { + switch (a_BiomeGroup) + { + case bgOcean: + case bgDesert: + case bgTemperate: + { + return true; + } + default: + { + return false; + } + } + } +}; + + + + + +/** Turns biome group indices into real biomes. +For each pixel, takes its biome group and chooses a random biome from that group; replaces the value with +that biome. */ +class cProtIntGenBiomes : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenBiomes(int a_Seed, Underlying a_Underlying) : + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Define the per-biome-group biomes: + static const int oceanBiomes[] = + { + biOcean, // biDeepOcean, + }; + + // Same as oceanBiomes, there are no rare oceanic biomes (mushroom islands are handled separately) + static const int rareOceanBiomes[] = + { + biOcean, + }; + + static const int desertBiomes[] = + { + biDesert, biDesert, biDesert, biDesert, biDesert, biDesert, biSavanna, biSavanna, biPlains, + }; + + static const int rareDesertBiomes[] = + { + biMesaPlateau, biMesaPlateauF, + }; + + static const int temperateBiomes[] = + { + biForest, biForest, biRoofedForest, biExtremeHills, biPlains, biBirchForest, biSwampland, + }; + + static const int rareTemperateBiomes[] = + { + biJungle, // Jungle is not strictly temperate, but let's piggyback it here + }; + + static const int mountainBiomes[] = + { + biExtremeHills, biForest, biTaiga, biPlains, + }; + + static const int rareMountainBiomes[] = + { + biMegaTaiga, + }; + + static const int iceBiomes[] = + { + biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga, + }; + + // Same as iceBiomes, there's no rare ice biome + static const int rareIceBiomes[] = + { + biIcePlains, biIcePlains, biIcePlains, biIcePlains, biColdTaiga, + }; + + static const cBiomesInGroups biomesInGroups[] = + { + /* bgOcean */ { static_cast<int>(ARRAYCOUNT(oceanBiomes)), oceanBiomes}, + /* bgDesert */ { static_cast<int>(ARRAYCOUNT(desertBiomes)), desertBiomes}, + /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(temperateBiomes)), temperateBiomes}, + /* bgMountains */ { static_cast<int>(ARRAYCOUNT(mountainBiomes)), mountainBiomes}, + /* bgIce */ { static_cast<int>(ARRAYCOUNT(iceBiomes)), iceBiomes}, + }; + + static const cBiomesInGroups rareBiomesInGroups[] = + { + /* bgOcean */ { static_cast<int>(ARRAYCOUNT(rareOceanBiomes)), rareOceanBiomes}, + /* bgDesert */ { static_cast<int>(ARRAYCOUNT(rareDesertBiomes)), rareDesertBiomes}, + /* bgTemperate */ { static_cast<int>(ARRAYCOUNT(rareTemperateBiomes)), rareTemperateBiomes}, + /* bgMountains */ { static_cast<int>(ARRAYCOUNT(rareMountainBiomes)), rareMountainBiomes}, + /* bgIce */ { static_cast<int>(ARRAYCOUNT(rareIceBiomes)), rareIceBiomes}, + }; + + // Generate the underlying values, representing biome groups: + m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + + // Overwrite each biome group with a random biome from that group: + // Take care of the bgfRare flag + for (int z = 0; z < a_SizeZ; z++) + { + int IdxZ = z * a_SizeX; + for (int x = 0; x < a_SizeX; x++) + { + int val = a_Values[x + IdxZ]; + const cBiomesInGroups & Biomes = (val > bgfRare) ? + rareBiomesInGroups[(val & (bgfRare - 1)) % ARRAYCOUNT(rareBiomesInGroups)] : + biomesInGroups[val % ARRAYCOUNT(biomesInGroups)]; + int rnd = (super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7); + a_Values[x + IdxZ] = Biomes.Biomes[rnd % Biomes.Count]; + } + } + } + +protected: + + struct cBiomesInGroups + { + const int Count; + const int * Biomes; + }; + + + /** The underlying int generator */ + Underlying m_Underlying; +}; + + + + + +/** Randomly replaces pixels of one value to another value, using the given chance. */ +class cProtIntGenReplaceRandomly : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + typedef std::shared_ptr<cProtIntGen> Underlying; + + + cProtIntGenReplaceRandomly(int a_Seed, int a_From, int a_To, int a_Chance, Underlying a_Underlying) : + super(a_Seed), + m_From(a_From), + m_To(a_To), + m_Chance(a_Chance), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying values: + m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + + // Replace some of the values: + for (int z = 0; z < a_SizeZ; z++) + { + int idxZ = z * a_SizeX; + for (int x = 0; x < a_SizeX; x++) + { + int idx = x + idxZ; + if (a_Values[idx] == m_From) + { + int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7; + if (rnd % 1000 < m_Chance) + { + a_Values[idx] = m_To; + } + } + } + } // for z + } + + +protected: + /** The original value to be replaced. */ + int m_From; + + /** The destination value to which to replace. */ + int m_To; + + /** Chance, in permille, of replacing the value. */ + int m_Chance; + + Underlying m_Underlying; +}; + + + + + +/** Mixer that joins together finalized biomes and rivers. +It first checks for oceans, if there is an ocean in the Biomes, it keeps the ocean. +If there's no ocean, it checks Rivers for a river, if there is a river, it uses the Biomes to select either +regular river or frozen river, based on the biome. */ +class cProtIntGenMixRivers: + public cProtIntGen +{ + typedef cProtIntGen super; + +public: + cProtIntGenMixRivers(Underlying a_Biomes, Underlying a_Rivers): + m_Biomes(a_Biomes), + m_Rivers(a_Rivers) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying data: + ASSERT(a_SizeX * a_SizeZ <= m_BufferSize); + m_Biomes->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + int riverData[m_BufferSize]; + m_Rivers->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, riverData); + + // Mix the values: + for (int z = 0; z < a_SizeZ; z++) + { + int idxZ = z * a_SizeX; + for (int x = 0; x < a_SizeX; x++) + { + int idx = x + idxZ; + if (IsBiomeOcean(a_Values[idx])) + { + // Oceans are kept without any changes + continue; + } + if (riverData[idx] != biRiver) + { + // There's no river, keep the current value + continue; + } + + // There's a river, change the output to a river or a frozen river, based on the original biome: + if (IsBiomeVeryCold((EMCSBiome)a_Values[idx])) + { + a_Values[idx] = biFrozenRiver; + } + else + { + a_Values[idx] = biRiver; + } + } // for x + } // for z + } + +protected: + Underlying m_Biomes; + Underlying m_Rivers; +}; + + + + + +/** Generates a river based on the underlying data. +This is basically an edge detector over the underlying data. The rivers are the edges where the underlying +data changes from one pixel to its neighbor. */ +class cProtIntGenRiver: + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenRiver(int a_Seed, Underlying a_Underlying): + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying data: + int lowerSizeX = a_SizeX + 2; + int lowerSizeZ = a_SizeZ + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + int lowerValues[m_BufferSize]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues); + + // Detect the edges: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int Above = lowerValues[x + 1 + z * lowerSizeX]; + int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX]; + int Left = lowerValues[x + (z + 1) * lowerSizeX]; + int Right = lowerValues[x + 2 + (z + 1) * lowerSizeX]; + int val = lowerValues[x + 1 + (z + 1) * lowerSizeX]; + + if ((val == Above) && (val == Below) && (val == Left) && (val == Right)) + { + val = 0; + } + else + { + val = biRiver; + } + a_Values[x + z * a_SizeX] = val; + } // for x + } // for z + } + +protected: + Underlying m_Underlying; +}; + + + + + +/** Turns some of the oceans into the specified biome. Used for mushroom and deep ocean. +The biome is only placed if at least 3 of its neighbors are ocean and only with the specified chance. */ +class cProtIntGenAddToOcean: + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenAddToOcean(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying): + super(a_Seed), + m_Chance(a_Chance), + m_ToValue(a_ToValue), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying data: + int lowerSizeX = a_SizeX + 2; + int lowerSizeZ = a_SizeZ + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + int lowerValues[m_BufferSize]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues); + + // Add the mushroom islands: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int val = lowerValues[x + 1 + (z + 1) * lowerSizeX]; + if (!IsBiomeOcean(val)) + { + a_Values[x + z * a_SizeX] = val; + continue; + } + + // Count the ocean neighbors: + int Above = lowerValues[x + 1 + z * lowerSizeX]; + int Below = lowerValues[x + 1 + (z + 2) * lowerSizeX]; + int Left = lowerValues[x + (z + 1) * lowerSizeX]; + int Right = lowerValues[x + 2 + (z + 1) * lowerSizeX]; + int NumOceanNeighbors = 0; + if (IsBiomeOcean(Above)) + { + NumOceanNeighbors += 1; + } + if (IsBiomeOcean(Below)) + { + NumOceanNeighbors += 1; + } + if (IsBiomeOcean(Left)) + { + NumOceanNeighbors += 1; + } + if (IsBiomeOcean(Right)) + { + NumOceanNeighbors += 1; + } + + // If at least 3 ocean neighbors and the chance is right, change: + if ( + (NumOceanNeighbors >= 3) && + ((super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7) % 1000 < m_Chance) + ) + { + a_Values[x + z * a_SizeX] = m_ToValue; + } + else + { + a_Values[x + z * a_SizeX] = val; + } + } // for x + } // for z + } + +protected: + /** Chance, in permille, of changing the biome. */ + int m_Chance; + + /** The value to change the ocean into. */ + int m_ToValue; + + Underlying m_Underlying; +}; + + + + + +/** Changes random pixels of the underlying data to the specified value. */ +class cProtIntGenSetRandomly : + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenSetRandomly(int a_Seed, int a_Chance, int a_ToValue, Underlying a_Underlying) : + super(a_Seed), + m_Chance(a_Chance), + m_ToValue(a_ToValue), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying data: + m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + + // Change random pixels to bgOcean: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7; + if (rnd % 1000 < m_Chance) + { + a_Values[x + z * a_SizeX] = m_ToValue; + } + } + } + } + +protected: + /** Chance, in permille, of changing each pixel. */ + int m_Chance; + + /** The value to which to set the pixel. */ + int m_ToValue; + + Underlying m_Underlying; +}; + + + + + + +/** Adds a "rare" flag to random biome groups, based on the given chance. */ +class cProtIntGenRareBiomeGroups: + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenRareBiomeGroups(int a_Seed, int a_Chance, Underlying a_Underlying): + super(a_Seed), + m_Chance(a_Chance), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying data: + m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + + // Change some of the biome groups into rare biome groups: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int rnd = super::m_Noise.IntNoise2DInt(x + a_MinX, z + a_MinZ) / 7; + if (rnd % 1000 < m_Chance) + { + int idx = x + a_SizeX * z; + a_Values[idx] = a_Values[idx] | bgfRare; + } + } + } + } + +protected: + /** Chance, in permille, of changing each pixel into the rare biome group. */ + int m_Chance; + + /** The underlying generator. */ + Underlying m_Underlying; +}; + + + + + +/** Changes biomes in the parent data into an alternate versions (usually "hill" variants), in such places +that have their alterations set. */ +class cProtIntGenAlternateBiomes: + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenAlternateBiomes(int a_Seed, Underlying a_Alterations, Underlying a_BaseBiomes): + super(a_Seed), + m_Alterations(a_Alterations), + m_BaseBiomes(a_BaseBiomes) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the base biomes and the alterations: + m_BaseBiomes->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + int alterations[m_BufferSize]; + m_Alterations->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, alterations); + + // Change the biomes into their alternate versions: + int len = a_SizeX * a_SizeZ; + for (int idx = 0; idx < len; ++idx) + { + if (alterations[idx] == 0) + { + // No change + continue; + } + + // Change to alternate biomes: + int val = a_Values[idx]; + switch (val) + { + case biBirchForest: val = biBirchForestHills; break; + case biDesert: val = biDesertHills; break; + case biExtremeHills: val = biExtremeHillsPlus; break; + case biForest: val = biForestHills; break; + case biIcePlains: val = biIceMountains; break; + case biJungle: val = biJungleHills; break; + case biMegaTaiga: val = biMegaTaigaHills; break; + case biMesaPlateau: val = biMesa; break; + case biMesaPlateauF: val = biMesa; break; + case biMesaPlateauM: val = biMesa; break; + case biMesaPlateauFM: val = biMesa; break; + case biPlains: val = biForest; break; + case biRoofedForest: val = biPlains; break; + case biSavanna: val = biSavannaPlateau; break; + case biTaiga: val = biTaigaHills; break; + } + a_Values[idx] = val; + } // for idx - a_Values[] + } + +protected: + Underlying m_Alterations; + Underlying m_BaseBiomes; +}; + + + + + +/** Adds an edge between two specifically incompatible biomes, such as mesa and forest. */ +class cProtIntGenBiomeEdges: + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenBiomeEdges(int a_Seed, Underlying a_Underlying): + super(a_Seed), + m_Underlying(a_Underlying) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying biomes: + int lowerSizeX = a_SizeX + 2; + int lowerSizeZ = a_SizeZ + 2; + ASSERT(lowerSizeX * lowerSizeZ <= m_BufferSize); + int lowerValues[m_BufferSize]; + m_Underlying->GetInts(a_MinX - 1, a_MinZ - 1, lowerSizeX, lowerSizeZ, lowerValues); + + // Convert incompatible edges into neutral biomes: + for (int z = 0; z < a_SizeZ; z++) + { + for (int x = 0; x < a_SizeX; x++) + { + int biome = lowerValues[x + 1 + (z + 1) * lowerSizeX]; + int above = lowerValues[x + 1 + z * lowerSizeX]; + int below = lowerValues[x + 1 + (z + 2) * lowerSizeX]; + int left = lowerValues[x + (z + 1) * lowerSizeX]; + int right = lowerValues[x + 2 + (z + 1) * lowerSizeX]; + + switch (biome) + { + case biDesert: + case biDesertM: + case biDesertHills: + { + if ( + IsBiomeVeryCold(static_cast<EMCSBiome>(above)) || + IsBiomeVeryCold(static_cast<EMCSBiome>(below)) || + IsBiomeVeryCold(static_cast<EMCSBiome>(left)) || + IsBiomeVeryCold(static_cast<EMCSBiome>(right)) + ) + { + biome = biPlains; + } + break; + } // case biDesert + + case biMesaPlateau: + case biMesaPlateauF: + case biMesaPlateauFM: + case biMesaPlateauM: + { + if ( + !isMesaCompatible(above) || + !isMesaCompatible(below) || + !isMesaCompatible(left) || + !isMesaCompatible(right) + ) + { + biome = biDesert; + } + break; + } // Mesa biomes + + case biJungle: + case biJungleM: + { + if ( + !isJungleCompatible(above) || + !isJungleCompatible(below) || + !isJungleCompatible(left) || + !isJungleCompatible(right) + ) + { + biome = (biome == biJungle) ? biJungleEdge : biJungleEdgeM; + } + break; + } // Jungle biomes + + case biSwampland: + case biSwamplandM: + { + if ( + IsBiomeNoDownfall(static_cast<EMCSBiome>(above)) || + IsBiomeNoDownfall(static_cast<EMCSBiome>(below)) || + IsBiomeNoDownfall(static_cast<EMCSBiome>(left)) || + IsBiomeNoDownfall(static_cast<EMCSBiome>(right)) + ) + { + biome = biPlains; + } + break; + } // Swampland biomes + } // switch (biome) + + a_Values[x + z * a_SizeX] = biome; + } // for x + } // for z + } + + +protected: + Underlying m_Underlying; + + + bool isMesaCompatible(int a_Biome) + { + switch (a_Biome) + { + case biDesert: + case biMesa: + case biMesaBryce: + case biMesaPlateau: + case biMesaPlateauF: + case biMesaPlateauFM: + case biMesaPlateauM: + case biOcean: + case biDeepOcean: + { + return true; + } + default: + { + return false; + } + } + } + + + bool isJungleCompatible(int a_Biome) + { + switch (a_Biome) + { + case biJungle: + case biJungleM: + case biJungleEdge: + case biJungleEdgeM: + case biJungleHills: + { + return true; + } + default: + { + return false; + } + } + } +}; + + + + + +/** Changes biomes in the parent data into their alternate versions ("M" variants), in such places that +have their alterations set. */ +class cProtIntGenMBiomes: + public cProtIntGenWithNoise +{ + typedef cProtIntGenWithNoise super; + +public: + cProtIntGenMBiomes(int a_Seed, Underlying a_Alteration, Underlying a_Underlying): + super(a_Seed), + m_Underlying(a_Underlying), + m_Alteration(a_Alteration) + { + } + + + virtual void GetInts(int a_MinX, int a_MinZ, int a_SizeX, int a_SizeZ, int * a_Values) override + { + // Generate the underlying biomes and the alterations: + m_Underlying->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, a_Values); + int alterations[m_BufferSize]; + m_Alteration->GetInts(a_MinX, a_MinZ, a_SizeX, a_SizeZ, alterations); + + // Wherever alterations are nonzero, change into alternate biome, if available: + int len = a_SizeX * a_SizeZ; + for (int idx = 0; idx < len; ++idx) + { + if (alterations[idx] == 0) + { + continue; + } + + // Ice spikes biome was removed from here, because it was generated way too often + switch (a_Values[idx]) + { + case biPlains: a_Values[idx] = biSunflowerPlains; break; + case biDesert: a_Values[idx] = biDesertM; break; + case biExtremeHills: a_Values[idx] = biExtremeHillsM; break; + case biForest: a_Values[idx] = biFlowerForest; break; + case biTaiga: a_Values[idx] = biTaigaM; break; + case biSwampland: a_Values[idx] = biSwamplandM; break; + case biJungle: a_Values[idx] = biJungleM; break; + case biJungleEdge: a_Values[idx] = biJungleEdgeM; break; + case biBirchForest: a_Values[idx] = biBirchForestM; break; + case biBirchForestHills: a_Values[idx] = biBirchForestHillsM; break; + case biRoofedForest: a_Values[idx] = biRoofedForestM; break; + case biColdTaiga: a_Values[idx] = biColdTaigaM; break; + case biMegaSpruceTaiga: a_Values[idx] = biMegaSpruceTaiga; break; + case biMegaSpruceTaigaHills: a_Values[idx] = biMegaSpruceTaigaHills; break; + case biExtremeHillsPlus: a_Values[idx] = biExtremeHillsPlusM; break; + case biSavanna: a_Values[idx] = biSavannaM; break; + case biSavannaPlateau: a_Values[idx] = biSavannaPlateauM; break; + case biMesa: a_Values[idx] = biMesaBryce; break; + case biMesaPlateauF: a_Values[idx] = biMesaPlateauFM; break; + case biMesaPlateau: a_Values[idx] = biMesaBryce; break; + } + } // for idx - a_Values[] / alterations[] + } + +protected: + Underlying m_Underlying; + Underlying m_Alteration; +}; + + + + diff --git a/src/Generating/Ravines.h b/src/Generating/Ravines.h index 3e41c5ce6..b11037433 100644 --- a/src/Generating/Ravines.h +++ b/src/Generating/Ravines.h @@ -10,7 +10,6 @@ #pragma once #include "GridStructGen.h" -#include "../Noise.h" diff --git a/src/Generating/StructGen.h b/src/Generating/StructGen.h index 906fdd722..d3b0b5544 100644 --- a/src/Generating/StructGen.h +++ b/src/Generating/StructGen.h @@ -14,7 +14,7 @@ #pragma once #include "ComposableGenerator.h" -#include "../Noise.h" +#include "../Noise/Noise.h" diff --git a/src/Generating/Trees.cpp b/src/Generating/Trees.cpp index 7fd6d6f07..be8b0cd6b 100644 --- a/src/Generating/Trees.cpp +++ b/src/Generating/Trees.cpp @@ -61,7 +61,7 @@ static const sCoords BigO3[] = static const sCoords BigO4[] = // Part of Big Jungle tree { - /* -4 */ {-2, -4}, {-1, -4}, {0, -4}, {1, -4}, {2, -4}, + /* -4 */ {-2, -4}, {-1, -4}, {0, -4}, {1, -4}, {2, -4}, /* -3 */ {-3, -3}, {-2, -3}, {-1, -3}, {0, -3}, {1, -3}, {2, -3}, {3, -3}, /* -2 */ {-4, -2}, {-3, -2}, {-2, -2}, {-1, -2}, {0, -2}, {1, -2}, {2, -2}, {3, -2}, {4, -2}, /* -1 */ {-4, -1}, {-3, -1}, {-2, -1}, {-1, -1}, {0, -1}, {1, -1}, {2, -1}, {3, -1}, {4, -1}, @@ -361,7 +361,109 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks) { - // TODO + int Height = 7 + a_Noise.IntNoise3DInt(a_BlockX, a_BlockY, a_BlockZ) % 4; + + // Array with possible directions for a branch to go to. + const Vector3d AvailableDirections[] = + { + { -1, 0, 0 }, { 0, 0, -1 }, + { -1, 0, 1 }, { -1, 0, -1 }, + { 1, 0, 1 }, { 1, 0, -1 }, + { 1, 0, 0 }, { 0, 0, 1 }, + + { -0.5, 0, 0 }, { 0, 0, -0.5 }, + { -0.5, 0, 0.5 }, { -0.5, 0, -0.5 }, + { 0.5, 0, 0.5 }, { 0.5, 0, -0.5 }, + { 0.5, 0, 0 }, { 0, 0, 0.5 }, + + { -1, 0.5, 0 }, { 0, 0.5, -1 }, + { -1, 0.5, 1 }, { -1, 0.5, -1 }, + { 1, 0.5, 1 }, { 1, 0.5, -1 }, + { 1, 0.5, 0 }, { 0, 0.5, 1 }, + + { -0.5, 0.5, 0 }, { 0, 0.5, -0.5 }, + { -0.5, 0.5, 0.5 }, { -0.5, 0.5, -0.5 }, + { 0.5, 0.5, 0.5 }, { 0.5, 0.5, -0.5 }, + { 0.5, 0.5, 0 }, { 0, 0.5, 0.5 }, + + }; + + // Create branches + for (int i = 4; i < Height; i++) + { + // Get a direction for the trunk to go to. + Vector3d BranchStartDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY + i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)]; + Vector3d BranchDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY / i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)] / 3; + + int BranchLength = 2 + a_Noise.IntNoise3DInt(a_BlockX * a_Seq, a_BlockY * a_Seq, a_BlockZ * a_Seq) % 3; + GetLargeAppleTreeBranch(a_BlockX, a_BlockY + i, a_BlockZ, BranchLength, BranchStartDirection, BranchDirection, a_BlockY + Height, a_Noise, a_LogBlocks); + } + + // Place leaves around each log block + for (auto itr : a_LogBlocks) + { + // Get the log's X and Z coordinates + int X = itr.ChunkX * 16 + itr.x; + int Z = itr.ChunkZ * 16 + itr.z; + + a_OtherBlocks.push_back(sSetBlock(X, itr.y - 2, Z, E_BLOCK_LEAVES, E_META_LEAVES_APPLE)); + PushCoordBlocks(X, itr.y - 2, Z, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_APPLE); + for (int y = -1; y <= 1; y++) + { + PushCoordBlocks (X, itr.y + y, Z, a_OtherBlocks, BigO2, ARRAYCOUNT(BigO2), E_BLOCK_LEAVES, E_META_LEAVES_APPLE); + } + PushCoordBlocks(X, itr.y + 2, Z, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_APPLE); + a_OtherBlocks.push_back(sSetBlock(X, itr.y + 2, Z, E_BLOCK_LEAVES, E_META_LEAVES_APPLE)); + } + + // Trunk: + for (int i = 0; i < Height; i++) + { + a_LogBlocks.push_back(sSetBlock(a_BlockX, a_BlockY + i, a_BlockZ, E_BLOCK_LOG, E_META_LOG_APPLE)); + } +} + + + + + +void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks) +{ + Vector3d CurrentPos = Vector3d(a_BlockX, a_BlockY, a_BlockZ); + Vector3d Direction = a_StartDirection; + for (int i = 0; i < a_BranchLength; i++) + { + CurrentPos += Direction; + if (CurrentPos.y >= a_TreeHeight) + { + return; + } + Direction -= a_Direction; + Direction.clamp(-1.0, 1.0); + a_LogBlocks.push_back(sSetBlock(FloorC(CurrentPos.x), FloorC(CurrentPos.y), FloorC(CurrentPos.z), E_BLOCK_LOG, GetLogMetaFromDirection(E_META_LOG_APPLE, Direction))); + } +} + + + + + +NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction) +{ + a_Direction.abs(); + + if ((a_Direction.y > a_Direction.x) && (a_Direction.y > a_Direction.z)) + { + return a_BlockMeta; + } + else if (a_Direction.x > a_Direction.z) + { + return a_BlockMeta + 4; + } + else + { + return a_BlockMeta + 8; + } } diff --git a/src/Generating/Trees.h b/src/Generating/Trees.h index c9eb7de80..a2c8274f5 100644 --- a/src/Generating/Trees.h +++ b/src/Generating/Trees.h @@ -18,7 +18,7 @@ logs can overwrite others(leaves), but others shouldn't overwrite logs. This is #pragma once #include "../ChunkDef.h" -#include "../Noise.h" +#include "../Noise/Noise.h" @@ -62,6 +62,12 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a /// Generates an image of a large (branching) apple tree void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); +/// Generates a branch for a large apple tree +void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks); + +/// Returns the meta for a log from the given direction +NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction); + /// Generates an image of a random birch tree void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); diff --git a/src/IniFile.cpp b/src/IniFile.cpp index a666a4ff8..ded7e4199 100644 --- a/src/IniFile.cpp +++ b/src/IniFile.cpp @@ -9,7 +9,7 @@ // Email: Shane.Hill@dsto.defence.gov.au // Reason: Remove dependancy on MFC. Code should compile on any // platform. -////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// /* !! MODIFIED BY FAKETRUTH and xoft !! @@ -79,7 +79,7 @@ bool cIniFile::ReadFile(const AString & a_FileName, bool a_AllowExampleRedirect) } } - bool IsFirstLine = true; + bool IsFirstLine = true; while (getline(f, line)) { @@ -866,7 +866,7 @@ AString cIniFile::CheckCase(const AString & s) const void cIniFile::RemoveBom(AString & a_line) const { - // The BOM sequence for UTF-8 is 0xEF,0xBB,0xBF + // The BOM sequence for UTF-8 is 0xEF, 0xBB, 0xBF static unsigned const char BOM[] = { 0xEF, 0xBB, 0xBF }; // The BOM sequence, if present, is always th e first three characters of the input. diff --git a/src/IniFile.h b/src/IniFile.h index 3f704551f..e5879f46c 100644 --- a/src/IniFile.h +++ b/src/IniFile.h @@ -9,7 +9,7 @@ // Email: Shane.Hill@dsto.defence.gov.au // Reason: Remove dependancy on MFC. Code should compile on any // platform. Tested on Windows/Linux/Irix -////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// /* !! MODIFIED BY FAKETRUTH and madmaxoft!! diff --git a/src/ItemGrid.cpp b/src/ItemGrid.cpp index 55fb36a17..d49ea9df1 100644 --- a/src/ItemGrid.cpp +++ b/src/ItemGrid.cpp @@ -6,7 +6,7 @@ #include "Globals.h" #include "ItemGrid.h" #include "Items/ItemHandler.h" -#include "Noise.h" +#include "Noise/Noise.h" diff --git a/src/Mobs/Pig.cpp b/src/Mobs/Pig.cpp index 55a4412ca..50b69e44f 100644 --- a/src/Mobs/Pig.cpp +++ b/src/Mobs/Pig.cpp @@ -98,3 +98,23 @@ void cPig::Tick(float a_Dt, cChunk & a_Chunk) + +bool cPig::DoTakeDamage(TakeDamageInfo & a_TDI) +{ + if (!super::DoTakeDamage(a_TDI)) + { + return false; + } + + if (a_TDI.DamageType == dtLightning) + { + Destroy(); + m_World->SpawnMob(GetPosX(), GetPosY(), GetPosZ(), mtZombiePigman); + return true; + } + return true; +} + + + + diff --git a/src/Mobs/Pig.h b/src/Mobs/Pig.h index 953850b3a..0e026933a 100644 --- a/src/Mobs/Pig.h +++ b/src/Mobs/Pig.h @@ -17,6 +17,9 @@ public: CLASS_PROTODEF(cPig) + // cEntity overrides + virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override; + virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override; virtual void OnRightClicked(cPlayer & a_Player) override; virtual void Tick(float a_Dt, cChunk & a_Chunk) override; diff --git a/src/Mobs/Villager.cpp b/src/Mobs/Villager.cpp index 5c9999a59..963595347 100644 --- a/src/Mobs/Villager.cpp +++ b/src/Mobs/Villager.cpp @@ -37,6 +37,13 @@ bool cVillager::DoTakeDamage(TakeDamageInfo & a_TDI) m_World->BroadcastEntityStatus(*this, esVillagerAngry); } } + + if (a_TDI.DamageType == dtLightning) + { + Destroy(); + m_World->SpawnMob(GetPosX(), GetPosY(), GetPosZ(), mtWitch); + return true; + } return true; } diff --git a/src/Noise/CMakeLists.txt b/src/Noise/CMakeLists.txt new file mode 100644 index 000000000..e1837500f --- /dev/null +++ b/src/Noise/CMakeLists.txt @@ -0,0 +1,21 @@ + +cmake_minimum_required (VERSION 2.6) +project (MCServer) + +include_directories ("${PROJECT_SOURCE_DIR}/../") + +SET (SRCS + Noise.cpp +) + +SET (HDRS + Noise.h + OctavedNoise.h + RidgedNoise.h +) + +if(NOT MSVC) + add_library(Noise ${SRCS} ${HDRS}) + + target_link_libraries(Noise OSSupport) +endif() diff --git a/src/Noise/InterpolNoise.h b/src/Noise/InterpolNoise.h new file mode 100644 index 000000000..683b54563 --- /dev/null +++ b/src/Noise/InterpolNoise.h @@ -0,0 +1,524 @@ + +// InterpolNoise.h + +// Implements the cInterpolNoise class template representing a noise that interpolates the values between integer coords from a single set of neighbors + + + + + +#pragma once + +#include "Noise.h" + +#define FAST_FLOOR(x) (((x) < 0) ? (((int)x) - 1) : ((int)x)) + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cInterpolCell2D: + +template <typename T> +class cInterpolCell2D +{ +public: + cInterpolCell2D( + const cNoise & a_Noise, ///< Noise to use for generating the random values + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] + int a_SizeX, int a_SizeY, ///< Count of the array, in each direction + const NOISE_DATATYPE * a_FracX, ///< Pointer to the array that stores the X fractional values + const NOISE_DATATYPE * a_FracY ///< Pointer to the attay that stores the Y fractional values + ): + m_Noise(a_Noise), + m_WorkRnds(&m_Workspace1), + m_CurFloorX(0), + m_CurFloorY(0), + m_Array(a_Array), + m_SizeX(a_SizeX), + m_SizeY(a_SizeY), + m_FracX(a_FracX), + m_FracY(a_FracY) + { + } + + + /** Generates part of the output noise array using the current m_WorkRnds[] values */ + void Generate( + int a_FromX, int a_ToX, + int a_FromY, int a_ToY + ) + { + for (int y = a_FromY; y < a_ToY; y++) + { + NOISE_DATATYPE Interp[2]; + NOISE_DATATYPE FracY = T::coeff(m_FracY[y]); + Interp[0] = Lerp((*m_WorkRnds)[0][0], (*m_WorkRnds)[0][1], FracY); + Interp[1] = Lerp((*m_WorkRnds)[1][0], (*m_WorkRnds)[1][1], FracY); + int idx = y * m_SizeX + a_FromX; + for (int x = a_FromX; x < a_ToX; x++) + { + m_Array[idx++] = Lerp(Interp[0], Interp[1], T::coeff(m_FracX[x])); + } // for x + } // for y + } + + + /** Initializes m_WorkRnds[] with the specified values of the noise at the specified integral coords. */ + void InitWorkRnds(int a_FloorX, int a_FloorY) + { + m_CurFloorX = a_FloorX; + m_CurFloorY = a_FloorY; + (*m_WorkRnds)[0][0] = m_Noise.IntNoise2D(m_CurFloorX, m_CurFloorY); + (*m_WorkRnds)[0][1] = m_Noise.IntNoise2D(m_CurFloorX, m_CurFloorY + 1); + (*m_WorkRnds)[1][0] = m_Noise.IntNoise2D(m_CurFloorX + 1, m_CurFloorY); + (*m_WorkRnds)[1][1] = m_Noise.IntNoise2D(m_CurFloorX + 1, m_CurFloorY + 1); + } + + + /** Updates m_WorkRnds[] for the new integral coords */ + void Move(int a_NewFloorX, int a_NewFloorY) + { + // Swap the doublebuffer: + int OldFloorX = m_CurFloorX; + int OldFloorY = m_CurFloorY; + Workspace * OldWorkRnds = m_WorkRnds; + m_WorkRnds = (m_WorkRnds == &m_Workspace1) ? &m_Workspace2 : &m_Workspace1; + + // Reuse as much of the old workspace as possible: + // TODO: Try out if simply calculating all 4 elements each time is faster than this monster loop + int DiffX = OldFloorX - a_NewFloorX; + int DiffY = OldFloorY - a_NewFloorY; + for (int x = 0; x < 2; x++) + { + int cx = a_NewFloorX + x; + int OldX = x - DiffX; // Where would this X be in the old grid? + for (int y = 0; y < 2; y++) + { + int cy = a_NewFloorY + y; + int OldY = y - DiffY; // Where would this Y be in the old grid? + if ((OldX >= 0) && (OldX < 2) && (OldY >= 0) && (OldY < 2)) + { + (*m_WorkRnds)[x][y] = (*OldWorkRnds)[OldX][OldY]; + } + else + { + (*m_WorkRnds)[x][y] = (NOISE_DATATYPE)m_Noise.IntNoise2D(cx, cy); + } + } + } + m_CurFloorX = a_NewFloorX; + m_CurFloorY = a_NewFloorY; + } + +protected: + typedef NOISE_DATATYPE Workspace[2][2]; + + /** The noise used for generating the values at integral coords. */ + const cNoise & m_Noise; + + /** The current random values; points to either m_Workspace1 or m_Workspace2 (doublebuffering) */ + Workspace * m_WorkRnds; + + /** Buffer 1 for workspace doublebuffering, used in Move() */ + Workspace m_Workspace1; + + /** Buffer 2 for workspace doublebuffering, used in Move() */ + Workspace m_Workspace2; + + /** Coords of the currently calculated m_WorkRnds[]. */ + int m_CurFloorX, m_CurFloorY; + + /** The output array to generate into. */ + NOISE_DATATYPE * m_Array; + + /** Dimensions of the output array. */ + int m_SizeX, m_SizeY; + + /** Arrays holding the fractional values of the coords in each direction. */ + const NOISE_DATATYPE * m_FracX; + const NOISE_DATATYPE * m_FracY; +} ; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cInterpolCell3D: + +/** Holds a cache of the last calculated integral noise values and interpolates between them en masse. +Provides a massive optimization for cInterpolNoise. +Works by calculating multiple noise values (that have the same integral noise coords) at once. The underlying noise values +needn't be recalculated for these values, only the interpolation is done within the unit cube. */ +template <typename T> +class cInterpolCell3D +{ +public: + cInterpolCell3D( + const cNoise & a_Noise, ///< Noise to use for generating the random values + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] + int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction + const NOISE_DATATYPE * a_FracX, ///< Pointer to the array that stores the X fractional values + const NOISE_DATATYPE * a_FracY, ///< Pointer to the attay that stores the Y fractional values + const NOISE_DATATYPE * a_FracZ ///< Pointer to the array that stores the Z fractional values + ): + m_Noise(a_Noise), + m_WorkRnds(&m_Workspace1), + m_CurFloorX(0), + m_CurFloorY(0), + m_CurFloorZ(0), + m_Array(a_Array), + m_SizeX(a_SizeX), + m_SizeY(a_SizeY), + m_SizeZ(a_SizeZ), + m_FracX(a_FracX), + m_FracY(a_FracY), + m_FracZ(a_FracZ) + { + } + + + /** Generates part of the output array using current m_WorkRnds[]. */ + void Generate( + int a_FromX, int a_ToX, + int a_FromY, int a_ToY, + int a_FromZ, int a_ToZ + ) + { + for (int z = a_FromZ; z < a_ToZ; z++) + { + int idxZ = z * m_SizeX * m_SizeY; + NOISE_DATATYPE Interp2[2][2]; + NOISE_DATATYPE FracZ = T::coeff(m_FracZ[z]); + for (int x = 0; x < 2; x++) + { + for (int y = 0; y < 2; y++) + { + Interp2[x][y] = Lerp((*m_WorkRnds)[x][y][0], (*m_WorkRnds)[x][y][1], FracZ); + } + } + for (int y = a_FromY; y < a_ToY; y++) + { + NOISE_DATATYPE Interp[2]; + NOISE_DATATYPE FracY = T::coeff(m_FracY[y]); + Interp[0] = Lerp(Interp2[0][0], Interp2[0][1], FracY); + Interp[1] = Lerp(Interp2[1][0], Interp2[1][1], FracY); + int idx = idxZ + y * m_SizeX + a_FromX; + for (int x = a_FromX; x < a_ToX; x++) + { + m_Array[idx++] = Lerp(Interp[0], Interp[1], T::coeff(m_FracX[x])); + } // for x + } // for y + } // for z + } + + + /** Initializes m_WorkRnds[] with the specified Floor values. */ + void InitWorkRnds(int a_FloorX, int a_FloorY, int a_FloorZ) + { + m_CurFloorX = a_FloorX; + m_CurFloorY = a_FloorY; + m_CurFloorZ = a_FloorZ; + (*m_WorkRnds)[0][0][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY, m_CurFloorZ); + (*m_WorkRnds)[0][0][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY, m_CurFloorZ + 1); + (*m_WorkRnds)[0][1][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY + 1, m_CurFloorZ); + (*m_WorkRnds)[0][1][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY + 1, m_CurFloorZ + 1); + (*m_WorkRnds)[1][0][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY, m_CurFloorZ); + (*m_WorkRnds)[1][0][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY, m_CurFloorZ + 1); + (*m_WorkRnds)[1][1][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY + 1, m_CurFloorZ); + (*m_WorkRnds)[1][1][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY + 1, m_CurFloorZ + 1); + } + + + /** Updates m_WorkRnds[] for the new Floor values. */ + void Move(int a_NewFloorX, int a_NewFloorY, int a_NewFloorZ) + { + // Swap the doublebuffer: + int OldFloorX = m_CurFloorX; + int OldFloorY = m_CurFloorY; + int OldFloorZ = m_CurFloorZ; + Workspace * OldWorkRnds = m_WorkRnds; + m_WorkRnds = (m_WorkRnds == &m_Workspace1) ? &m_Workspace2 : &m_Workspace1; + + // Reuse as much of the old workspace as possible: + // TODO: Try out if simply calculating all 8 elements each time is faster than this monster loop + int DiffX = OldFloorX - a_NewFloorX; + int DiffY = OldFloorY - a_NewFloorY; + int DiffZ = OldFloorZ - a_NewFloorZ; + for (int x = 0; x < 2; x++) + { + int cx = a_NewFloorX + x; + int OldX = x - DiffX; // Where would this X be in the old grid? + for (int y = 0; y < 2; y++) + { + int cy = a_NewFloorY + y; + int OldY = y - DiffY; // Where would this Y be in the old grid? + for (int z = 0; z < 2; z++) + { + int cz = a_NewFloorZ + z; + int OldZ = z - DiffZ; + if ((OldX >= 0) && (OldX < 2) && (OldY >= 0) && (OldY < 2) && (OldZ >= 0) && (OldZ < 2)) + { + (*m_WorkRnds)[x][y][z] = (*OldWorkRnds)[OldX][OldY][OldZ]; + } + else + { + (*m_WorkRnds)[x][y][z] = (NOISE_DATATYPE)m_Noise.IntNoise3D(cx, cy, cz); + } + } // for z + } // for y + } // for x + m_CurFloorX = a_NewFloorX; + m_CurFloorY = a_NewFloorY; + m_CurFloorZ = a_NewFloorZ; + } + +protected: + typedef NOISE_DATATYPE Workspace[2][2][2]; + + /** The noise used for generating the values at integral coords. */ + const cNoise & m_Noise; + + /** The current random values; points to either m_Workspace1 or m_Workspace2 (doublebuffering) */ + Workspace * m_WorkRnds; + + /** Buffer 1 for workspace doublebuffering, used in Move() */ + Workspace m_Workspace1; + + /** Buffer 2 for workspace doublebuffering, used in Move() */ + Workspace m_Workspace2; + + /** The integral coords of the currently calculated WorkRnds[] */ + int m_CurFloorX, m_CurFloorY, m_CurFloorZ; + + /** The output array where the noise is calculated. */ + NOISE_DATATYPE * m_Array; + + /** Dimensions of the output array. */ + int m_SizeX, m_SizeY, m_SizeZ; + + /** Arrays holding the fractional values of the coords in each direction. */ + const NOISE_DATATYPE * m_FracX; + const NOISE_DATATYPE * m_FracY; + const NOISE_DATATYPE * m_FracZ; +} ; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cInterpolNoise: + +template <typename T> +class cInterpolNoise +{ + /** Maximum size, for each direction, of the generated array. */ + static const int MAX_SIZE = 256; + +public: + cInterpolNoise(int a_Seed): + m_Noise(a_Seed) + { + } + + + /** Sets a new seed for the generators. Relays the seed to the underlying noise. */ + void SetSeed(int a_Seed) + { + m_Noise.SetSeed(a_Seed); + } + + + /** Fills a 2D array with the values of the noise. */ + void Generate2D( + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] + int a_SizeX, int a_SizeY, ///< Count of the array, in each direction + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ///< Noise-space coords of the array in the Y direction + ) const + { + ASSERT(a_SizeX > 0); + ASSERT(a_SizeY > 0); + ASSERT(a_SizeX < MAX_SIZE); + ASSERT(a_SizeY < MAX_SIZE); + ASSERT(a_StartX < a_EndX); + ASSERT(a_StartY < a_EndY); + + // Calculate the integral and fractional parts of each coord: + int FloorX[MAX_SIZE]; + int FloorY[MAX_SIZE]; + NOISE_DATATYPE FracX[MAX_SIZE]; + NOISE_DATATYPE FracY[MAX_SIZE]; + int SameX[MAX_SIZE]; + int SameY[MAX_SIZE]; + int NumSameX, NumSameY; + CalcFloorFrac(a_SizeX, a_StartX, a_EndX, FloorX, FracX, SameX, NumSameX); + CalcFloorFrac(a_SizeY, a_StartY, a_EndY, FloorY, FracY, SameY, NumSameY); + + cInterpolCell2D<T> Cell(m_Noise, a_Array, a_SizeX, a_SizeY, FracX, FracY); + + Cell.InitWorkRnds(FloorX[0], FloorY[0]); + + // Calculate query values using Cell: + int FromY = 0; + for (int y = 0; y < NumSameY; y++) + { + int ToY = FromY + SameY[y]; + int FromX = 0; + int CurFloorY = FloorY[FromY]; + for (int x = 0; x < NumSameX; x++) + { + int ToX = FromX + SameX[x]; + Cell.Generate(FromX, ToX, FromY, ToY); + Cell.Move(FloorX[ToX], CurFloorY); + FromX = ToX; + } // for x + Cell.Move(FloorX[0], FloorY[ToY]); + FromY = ToY; + } // for y + } + + + /** Fills a 3D array with the values of the noise. */ + void Generate3D( + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] + int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction + NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ///< Noise-space coords of the array in the Z direction + ) const + { + // Check params: + ASSERT(a_SizeX > 1); + ASSERT(a_SizeY > 1); + + ASSERT(a_SizeX < MAX_SIZE); + ASSERT(a_SizeY < MAX_SIZE); + ASSERT(a_SizeZ < MAX_SIZE); + ASSERT(a_StartX < a_EndX); + ASSERT(a_StartY < a_EndY); + ASSERT(a_StartZ < a_EndZ); + + // Calculate the integral and fractional parts of each coord: + int FloorX[MAX_SIZE]; + int FloorY[MAX_SIZE]; + int FloorZ[MAX_SIZE]; + NOISE_DATATYPE FracX[MAX_SIZE]; + NOISE_DATATYPE FracY[MAX_SIZE]; + NOISE_DATATYPE FracZ[MAX_SIZE]; + int SameX[MAX_SIZE]; + int SameY[MAX_SIZE]; + int SameZ[MAX_SIZE]; + int NumSameX, NumSameY, NumSameZ; + CalcFloorFrac(a_SizeX, a_StartX, a_EndX, FloorX, FracX, SameX, NumSameX); + CalcFloorFrac(a_SizeY, a_StartY, a_EndY, FloorY, FracY, SameY, NumSameY); + CalcFloorFrac(a_SizeZ, a_StartZ, a_EndZ, FloorZ, FracZ, SameZ, NumSameZ); + + cInterpolCell3D<T> Cell( + m_Noise, a_Array, + a_SizeX, a_SizeY, a_SizeZ, + FracX, FracY, FracZ + ); + + Cell.InitWorkRnds(FloorX[0], FloorY[0], FloorZ[0]); + + // Calculate query values using Cell: + int FromZ = 0; + for (int z = 0; z < NumSameZ; z++) + { + int ToZ = FromZ + SameZ[z]; + int CurFloorZ = FloorZ[FromZ]; + int FromY = 0; + for (int y = 0; y < NumSameY; y++) + { + int ToY = FromY + SameY[y]; + int CurFloorY = FloorY[FromY]; + int FromX = 0; + for (int x = 0; x < NumSameX; x++) + { + int ToX = FromX + SameX[x]; + Cell.Generate(FromX, ToX, FromY, ToY, FromZ, ToZ); + Cell.Move(FloorX[ToX], CurFloorY, CurFloorZ); + FromX = ToX; + } + Cell.Move(FloorX[0], FloorY[ToY], CurFloorZ); + FromY = ToY; + } // for y + Cell.Move(FloorX[0], FloorY[0], FloorZ[ToZ]); + FromZ = ToZ; + } // for z + } + +protected: + + /** The noise used for the underlying value generation. */ + cNoise m_Noise; + + + /** Calculates the integral and fractional parts along one axis. + a_Floor will receive the integral parts (array of a_Size ints). + a_Frac will receive the fractional parts (array of a_Size floats). + a_Same will receive the counts of items that have the same integral parts (array of up to a_Size ints). + a_NumSame will receive the count of a_Same elements (total count of different integral parts). */ + void CalcFloorFrac( + int a_Size, + NOISE_DATATYPE a_Start, NOISE_DATATYPE a_End, + int * a_Floor, NOISE_DATATYPE * a_Frac, + int * a_Same, int & a_NumSame + ) const + { + ASSERT(a_Size > 0); + + // Calculate the floor and frac values: + NOISE_DATATYPE val = a_Start; + NOISE_DATATYPE dif = (a_End - a_Start) / (a_Size - 1); + for (int i = 0; i < a_Size; i++) + { + a_Floor[i] = FAST_FLOOR(val); + a_Frac[i] = val - a_Floor[i]; + val += dif; + } + + // Mark up the same floor values into a_Same / a_NumSame: + int CurFloor = a_Floor[0]; + int LastSame = 0; + a_NumSame = 0; + for (int i = 1; i < a_Size; i++) + { + if (a_Floor[i] != CurFloor) + { + a_Same[a_NumSame] = i - LastSame; + LastSame = i; + a_NumSame += 1; + CurFloor = a_Floor[i]; + } + } // for i - a_Floor[] + if (LastSame < a_Size) + { + a_Same[a_NumSame] = a_Size - LastSame; + a_NumSame += 1; + } + } +}; + + + + + +/** A fifth-degree curve for interpolating. +Implemented as a functor for better chance of inlining. */ +struct Interp5Deg +{ + static NOISE_DATATYPE coeff(NOISE_DATATYPE a_Val) + { + return a_Val * a_Val * a_Val * (a_Val * (a_Val * 6 - 15) + 10); + } +}; + +typedef cInterpolNoise<Interp5Deg> cInterp5DegNoise; + + + diff --git a/src/Noise.cpp b/src/Noise/Noise.cpp index 8fcfe2920..509be7d6c 100644 --- a/src/Noise.cpp +++ b/src/Noise/Noise.cpp @@ -2,6 +2,7 @@ #include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules #include "Noise.h" +#include "OSSupport/Timer.h" #define FAST_FLOOR(x) (((x) < 0) ? (((int)x) - 1) : ((int)x)) @@ -9,10 +10,110 @@ +#if 0 +/** cImprovedPerlin noise test suite: +- Generate a rather large 2D and 3D noise array and output it to a file +- Compare performance of cCubicNoise and cImprovedNoise, both in single-value and 3D-array usages */ +static class cImprovedPerlinNoiseTest +{ +public: + cImprovedPerlinNoiseTest(void) + { + printf("Performing Improved Perlin Noise tests...\n"); + TestImage(); + TestSpeed(); + TestSpeedArr(); + printf("Improved Perlin Noise tests complete.\n"); + } + + + /** Tests the noise by generating 2D and 3D images and dumping them to files. */ + void TestImage(void) + { + static const int SIZE_X = 256; + static const int SIZE_Y = 256; + static const int SIZE_Z = 16; + + cImprovedNoise noise(1); + std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]); + noise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, 0, 14, 0, 14, 0, 14); + Debug3DNoise(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, "ImprovedPerlinNoiseTest3D", 128); + noise.Generate2D(arr.get(), SIZE_X, SIZE_Y, 0, 14, 15, 28); + Debug2DNoise(arr.get(), SIZE_X, SIZE_Y, "ImprovedPerlinNoiseTest2D", 128); + } + + + /** Tests the speeds of cImprovedPerlin and cCubicNoise when generating individual values. */ + void TestSpeed(void) + { + cImprovedNoise improvedNoise(1); + cNoise noise(1); + cTimer timer; + + // Measure the improvedNoise: + NOISE_DATATYPE sum = 0; + long long start = timer.GetNowTime(); + for (int i = 0; i < 100000000; i++) + { + sum += improvedNoise.GetValueAt(i, 0, -i); + } + long long finish = timer.GetNowTime(); + printf("cImprovedNoise took %.2f seconds; total is %f.\n", static_cast<float>(finish - start) / 1000.0f, sum); + + // Measure the cubicNoise: + sum = 0; + start = timer.GetNowTime(); + for (int i = 0; i < 100000000; i++) + { + sum += noise.IntNoise3D(i, 0, -i); + } + finish = timer.GetNowTime(); + printf("cCubicNoise took %.2f seconds; total is %f.\n", static_cast<float>(finish - start) / 1000.0f, sum); + } + + + /** Tests the speeds of cImprovedPerlin and cCubicNoise when generating arrays. */ + void TestSpeedArr(void) + { + static const int SIZE_X = 256; + static const int SIZE_Y = 256; + static const int SIZE_Z = 16; + + std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]); + cTimer timer; + cImprovedNoise improvedNoise(1); + cCubicNoise cubicNoise(1); + + // Measure the improvedNoise: + long long start = timer.GetNowTime(); + for (int i = 0; i < 40; i++) + { + improvedNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, 0, 14, 0, 14, 0, 14); + } + long long finish = timer.GetNowTime(); + printf("cImprovedNoise(arr) took %.2f seconds.\n", static_cast<float>(finish - start) / 1000.0f); + + // Measure the cubicNoise: + start = timer.GetNowTime(); + for (int i = 0; i < 40; i++) + { + cubicNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, 0, 14, 0, 14, 0, 14); + } + finish = timer.GetNowTime(); + printf("cCubicNoise(arr) took %.2f seconds.\n", static_cast<float>(finish - start) / 1000.0f); + } +} g_Test; + +#endif + + + + + //////////////////////////////////////////////////////////////////////////////// // Globals: -void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase) +void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff) { const int BUF_SIZE = 512; ASSERT(a_SizeX <= BUF_SIZE); // Just stretch it, if needed @@ -29,7 +130,7 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int unsigned char buf[BUF_SIZE]; for (int x = 0; x < a_SizeX; x++) { - buf[x] = (unsigned char)(std::min(255, std::max(0, (int)(128 + 32 * a_Noise[idx++])))); + buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255)); } f1.Write(buf, a_SizeX); } // for y @@ -50,7 +151,7 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int unsigned char buf[BUF_SIZE]; for (int x = 0; x < a_SizeX; x++) { - buf[x] = (unsigned char)(std::min(255, std::max(0, (int)(128 + 32 * a_Noise[idx++])))); + buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255)); } f2.Write(buf, a_SizeX); } // for z @@ -65,7 +166,7 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int -void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase) +void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff) { const int BUF_SIZE = 512; ASSERT(a_SizeX <= BUF_SIZE); // Just stretch it, if needed @@ -79,7 +180,7 @@ void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, cons unsigned char buf[BUF_SIZE]; for (int x = 0; x < a_SizeX; x++) { - buf[x] = (unsigned char)(std::min(255, std::max(0, (int)(128 + 32 * a_Noise[idx++])))); + buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255)); } f1.Write(buf, a_SizeX); } // for y @@ -594,13 +695,6 @@ NOISE_DATATYPE cNoise::CubicNoise3D(NOISE_DATATYPE a_X, NOISE_DATATYPE a_Y, NOIS //////////////////////////////////////////////////////////////////////////////// // cCubicNoise: -#ifdef _DEBUG - int cCubicNoise::m_NumSingleX = 0; - int cCubicNoise::m_NumSingleXY = 0; - int cCubicNoise::m_NumSingleY = 0; - int cCubicNoise::m_NumCalls = 0; -#endif // _DEBUG - cCubicNoise::cCubicNoise(int a_Seed) : m_Noise(a_Seed) { @@ -639,23 +733,6 @@ void cCubicNoise::Generate2D( Cell.InitWorkRnds(FloorX[0], FloorY[0]); - #ifdef _DEBUG - // Statistics on the noise-space coords: - if (NumSameX == 1) - { - m_NumSingleX++; - if (NumSameY == 1) - { - m_NumSingleXY++; - } - } - if (NumSameY == 1) - { - m_NumSingleY++; - } - m_NumCalls++; - #endif // _DEBUG - // Calculate query values using Cell: int FromY = 0; for (int y = 0; y < NumSameY; y++) @@ -792,101 +869,28 @@ void cCubicNoise::CalcFloorFrac( //////////////////////////////////////////////////////////////////////////////// -// cPerlinNoise: - -cPerlinNoise::cPerlinNoise(void) : - m_Seed(0) -{ -} - - - +// cImprovedNoise: - -cPerlinNoise::cPerlinNoise(int a_Seed) : - m_Seed(a_Seed) -{ -} - - - - - -void cPerlinNoise::SetSeed(int a_Seed) -{ - m_Seed = a_Seed; -} - - - - - -void cPerlinNoise::AddOctave(float a_Frequency, float a_Amplitude) -{ - m_Octaves.push_back(cOctave(m_Seed * ((int)m_Octaves.size() + 4) * 4 + 1024, a_Frequency, a_Amplitude)); -} - - - - - -void cPerlinNoise::Generate2D( - NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] - int a_SizeX, int a_SizeY, ///< Count of the array, in each direction - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash -) const +cImprovedNoise::cImprovedNoise(int a_Seed) { - if (m_Octaves.empty()) - { - // No work to be done - ASSERT(!"Perlin: No octaves to generate!"); - return; - } - - bool ShouldFreeWorkspace = (a_Workspace == nullptr); - int ArrayCount = a_SizeX * a_SizeY; - if (ShouldFreeWorkspace) - { - a_Workspace = new NOISE_DATATYPE[ArrayCount]; - } - - // Generate the first octave directly into array: - const cOctave & FirstOctave = m_Octaves.front(); - - FirstOctave.m_Noise.Generate2D( - a_Workspace, a_SizeX, a_SizeY, - a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency, - a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency - ); - NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude; - for (int i = 0; i < ArrayCount; i++) + // Initialize the permutations with identity: + for (int i = 0; i < 256; i++) { - a_Array[i] = a_Workspace[i] * Amplitude; + m_Perm[i] = i; } - - // Add each octave: - for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr) + + // Randomize the permutation table - swap each element with a random other element: + cNoise noise(a_Seed); + for (int i = 0; i < 256; i++) { - // Generate cubic noise for the octave: - itr->m_Noise.Generate2D( - a_Workspace, a_SizeX, a_SizeY, - a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency, - a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency - ); - // Add the cubic noise into the output: - NOISE_DATATYPE Amplitude = itr->m_Amplitude; - for (int i = 0; i < ArrayCount; i++) - { - a_Array[i] += a_Workspace[i] * Amplitude; - } + int rnd = (noise.IntNoise1DInt(i) / 7) % 256; + std::swap(m_Perm[i], m_Perm[rnd]); } - - if (ShouldFreeWorkspace) + + // Copy the lower 256 entries into upper 256 entries: + for (int i = 0; i < 256; i++) { - delete[] a_Workspace; - a_Workspace = nullptr; + m_Perm[i + 256] = m_Perm[i]; } } @@ -894,239 +898,132 @@ void cPerlinNoise::Generate2D( -void cPerlinNoise::Generate3D( - NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] - int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction - NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash +void cImprovedNoise::Generate2D( + NOISE_DATATYPE * a_Array, + int a_SizeX, int a_SizeY, + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ) const { - if (m_Octaves.empty()) - { - // No work to be done - ASSERT(!"Perlin: No octaves to generate!"); - return; - } - - bool ShouldFreeWorkspace = (a_Workspace == nullptr); - int ArrayCount = a_SizeX * a_SizeY * a_SizeZ; - if (ShouldFreeWorkspace) + size_t idx = 0; + for (int y = 0; y < a_SizeY; y++) { - a_Workspace = new NOISE_DATATYPE[ArrayCount]; - } - - // Generate the first octave directly into array: - const cOctave & FirstOctave = m_Octaves.front(); - - FirstOctave.m_Noise.Generate3D( - a_Workspace, a_SizeX, a_SizeY, a_SizeZ, - a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency, - a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency, - a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency - ); - NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude; - for (int i = 0; i < ArrayCount; i++) - { - a_Array[i] = a_Workspace[i] * Amplitude; - } - - // Add each octave: - for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr) - { - // Generate cubic noise for the octave: - itr->m_Noise.Generate3D( - a_Workspace, a_SizeX, a_SizeY, a_SizeZ, - a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency, - a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency, - a_StartZ * itr->m_Frequency, a_EndZ * itr->m_Frequency - ); - // Add the cubic noise into the output: - NOISE_DATATYPE Amplitude = itr->m_Amplitude; - for (int i = 0; i < ArrayCount; i++) + NOISE_DATATYPE ratioY = static_cast<NOISE_DATATYPE>(y) / (a_SizeY - 1); + NOISE_DATATYPE noiseY = Lerp(a_StartY, a_EndY, ratioY); + int noiseYInt = FAST_FLOOR(noiseY); + int yCoord = noiseYInt & 255; + NOISE_DATATYPE noiseYFrac = noiseY - noiseYInt; + NOISE_DATATYPE fadeY = Fade(noiseYFrac); + for (int x = 0; x < a_SizeX; x++) { - a_Array[i] += a_Workspace[i] * Amplitude; - } - } - - if (ShouldFreeWorkspace) - { - delete[] a_Workspace; - a_Workspace = nullptr; - } -} - - - - - -//////////////////////////////////////////////////////////////////////////////// -// cRidgedMultiNoise: - -cRidgedMultiNoise::cRidgedMultiNoise(void) : - m_Seed(0) -{ -} - - - - - -cRidgedMultiNoise::cRidgedMultiNoise(int a_Seed) : - m_Seed(a_Seed) -{ -} - - - - - -void cRidgedMultiNoise::SetSeed(int a_Seed) -{ - m_Seed = a_Seed; -} - - - - - -void cRidgedMultiNoise::AddOctave(float a_Frequency, float a_Amplitude) -{ - m_Octaves.push_back(cOctave(m_Seed * ((int)m_Octaves.size() + 4) * 4 + 1024, a_Frequency, a_Amplitude)); + NOISE_DATATYPE ratioX = static_cast<NOISE_DATATYPE>(x) / (a_SizeX - 1); + NOISE_DATATYPE noiseX = Lerp(a_StartX, a_EndX, ratioX); + int noiseXInt = FAST_FLOOR(noiseX); + int xCoord = noiseXInt & 255; + NOISE_DATATYPE noiseXFrac = noiseX - noiseXInt; + NOISE_DATATYPE fadeX = Fade(noiseXFrac); + + // Hash the coordinates: + int A = m_Perm[xCoord] + yCoord; + int AA = m_Perm[A]; + int AB = m_Perm[A + 1]; + int B = m_Perm[xCoord + 1] + yCoord; + int BA = m_Perm[B]; + int BB = m_Perm[B + 1]; + + // Lerp the gradients: + a_Array[idx++] = Lerp( + Lerp(Grad(m_Perm[AA], noiseXFrac, noiseYFrac, 0), Grad(m_Perm[BA], noiseXFrac - 1, noiseYFrac, 0), fadeX), + Lerp(Grad(m_Perm[AB], noiseXFrac, noiseYFrac - 1, 0), Grad(m_Perm[BB], noiseXFrac - 1, noiseYFrac - 1, 0), fadeX), + fadeY + ); + } // for x + } // for y } -void cRidgedMultiNoise::Generate2D( - NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] - int a_SizeX, int a_SizeY, ///< Count of the array, in each direction - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash +void cImprovedNoise::Generate3D( + NOISE_DATATYPE * a_Array, + int a_SizeX, int a_SizeY, int a_SizeZ, + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, + NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ) const { - if (m_Octaves.empty()) - { - // No work to be done - ASSERT(!"RidgedMulti: No octaves to generate!"); - return; - } - - bool ShouldFreeWorkspace = (a_Workspace == nullptr); - int ArrayCount = a_SizeX * a_SizeY; - if (ShouldFreeWorkspace) - { - a_Workspace = new NOISE_DATATYPE[ArrayCount]; - } - - // Generate the first octave directly into array: - const cOctave & FirstOctave = m_Octaves.front(); - - FirstOctave.m_Noise.Generate2D( - a_Workspace, a_SizeX, a_SizeY, - a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency, - a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency - ); - NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude; - for (int i = 0; i < ArrayCount; i++) + size_t idx = 0; + for (int z = 0; z < a_SizeZ; z++) { - a_Array[i] = fabs(a_Workspace[i] * Amplitude); - } - - // Add each octave: - for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr) - { - // Generate cubic noise for the octave: - itr->m_Noise.Generate2D( - a_Workspace, a_SizeX, a_SizeY, - a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency, - a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency - ); - // Add the cubic noise into the output: - NOISE_DATATYPE Amplitude = itr->m_Amplitude; - for (int i = 0; i < ArrayCount; i++) + NOISE_DATATYPE ratioZ = static_cast<NOISE_DATATYPE>(z) / (a_SizeZ - 1); + NOISE_DATATYPE noiseZ = Lerp(a_StartZ, a_EndZ, ratioZ); + int noiseZInt = FAST_FLOOR(noiseZ); + int zCoord = noiseZInt & 255; + NOISE_DATATYPE noiseZFrac = noiseZ - noiseZInt; + NOISE_DATATYPE fadeZ = Fade(noiseZFrac); + for (int y = 0; y < a_SizeY; y++) { - a_Array[i] += fabs(a_Workspace[i] * Amplitude); - } - } - - if (ShouldFreeWorkspace) - { - delete[] a_Workspace; - a_Workspace = nullptr; - } + NOISE_DATATYPE ratioY = static_cast<NOISE_DATATYPE>(y) / (a_SizeY - 1); + NOISE_DATATYPE noiseY = Lerp(a_StartY, a_EndY, ratioY); + int noiseYInt = FAST_FLOOR(noiseY); + int yCoord = noiseYInt & 255; + NOISE_DATATYPE noiseYFrac = noiseY - noiseYInt; + NOISE_DATATYPE fadeY = Fade(noiseYFrac); + for (int x = 0; x < a_SizeX; x++) + { + NOISE_DATATYPE ratioX = static_cast<NOISE_DATATYPE>(x) / (a_SizeX - 1); + NOISE_DATATYPE noiseX = Lerp(a_StartX, a_EndX, ratioX); + int noiseXInt = FAST_FLOOR(noiseX); + int xCoord = noiseXInt & 255; + NOISE_DATATYPE noiseXFrac = noiseX - noiseXInt; + NOISE_DATATYPE fadeX = Fade(noiseXFrac); + + // Hash the coordinates: + int A = m_Perm[xCoord] + yCoord; + int AA = m_Perm[A] + zCoord; + int AB = m_Perm[A + 1] + zCoord; + int B = m_Perm[xCoord + 1] + yCoord; + int BA = m_Perm[B] + zCoord; + int BB = m_Perm[B + 1] + zCoord; + + // Lerp the gradients: + // TODO: This may be optimized by swapping the coords and recalculating most lerps only "once every x" + a_Array[idx++] = Lerp( + Lerp( + Lerp(Grad(m_Perm[AA], noiseXFrac, noiseYFrac, noiseZFrac), Grad(m_Perm[BA], noiseXFrac - 1, noiseYFrac, noiseZFrac), fadeX), + Lerp(Grad(m_Perm[AB], noiseXFrac, noiseYFrac - 1, noiseZFrac), Grad(m_Perm[BB], noiseXFrac - 1, noiseYFrac - 1, noiseZFrac), fadeX), + fadeY + ), + Lerp( + Lerp(Grad(m_Perm[AA + 1], noiseXFrac, noiseYFrac, noiseZFrac - 1), Grad(m_Perm[BA + 1], noiseXFrac - 1, noiseYFrac, noiseZFrac - 1), fadeX), + Lerp(Grad(m_Perm[AB + 1], noiseXFrac, noiseYFrac - 1, noiseZFrac - 1), Grad(m_Perm[BB + 1], noiseXFrac - 1, noiseYFrac - 1, noiseZFrac - 1), fadeX), + fadeY + ), + fadeZ + ); + } // for x + } // for y + } // for z } -void cRidgedMultiNoise::Generate3D( - NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] - int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction - NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash -) const +NOISE_DATATYPE cImprovedNoise::GetValueAt(int a_X, int a_Y, int a_Z) { - if (m_Octaves.empty()) - { - // No work to be done - ASSERT(!"RidgedMulti: No octaves to generate!"); - return; - } - - bool ShouldFreeWorkspace = (a_Workspace == nullptr); - int ArrayCount = a_SizeX * a_SizeY * a_SizeZ; - if (ShouldFreeWorkspace) - { - a_Workspace = new NOISE_DATATYPE[ArrayCount]; - } - - // Generate the first octave directly into array: - const cOctave & FirstOctave = m_Octaves.front(); - - FirstOctave.m_Noise.Generate3D( - a_Workspace, a_SizeX, a_SizeY, a_SizeZ, - a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency, - a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency, - a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency - ); - NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude; - for (int i = 0; i < ArrayCount; i++) - { - a_Array[i] = a_Workspace[i] * Amplitude; - } - - // Add each octave: - for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr) - { - // Generate cubic noise for the octave: - itr->m_Noise.Generate3D( - a_Workspace, a_SizeX, a_SizeY, a_SizeZ, - a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency, - a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency, - a_StartZ * itr->m_Frequency, a_EndZ * itr->m_Frequency - ); - // Add the cubic noise into the output: - NOISE_DATATYPE Amplitude = itr->m_Amplitude; - for (int i = 0; i < ArrayCount; i++) - { - a_Array[i] += a_Workspace[i] * Amplitude; - } - } - - if (ShouldFreeWorkspace) - { - delete[] a_Workspace; - a_Workspace = nullptr; - } + // Hash the coordinates: + a_X = a_X & 255; + a_Y = a_Y & 255; + a_Z = a_Z & 255; + int A = m_Perm[a_X] + a_Y; + int AA = m_Perm[A] + a_Z; + + return Grad(m_Perm[AA], 1, 1, 1); } + diff --git a/src/Noise.h b/src/Noise/Noise.h index 9a3f24556..323194bfd 100644 --- a/src/Noise.h +++ b/src/Noise/Noise.h @@ -7,22 +7,11 @@ #include <cmath> +/** The datatype used by all the noise generators. */ +typedef float NOISE_DATATYPE; - - - -// Some settings -#define NOISE_DATATYPE float - - - - - -#ifdef _MSC_VER - #define INLINE __forceinline -#else - #define INLINE inline -#endif +#include "OctavedNoise.h" +#include "RidgedNoise.h" @@ -35,20 +24,20 @@ public: cNoise(const cNoise & a_Noise); // The following functions, if not marked INLINE, are about 20 % slower - INLINE NOISE_DATATYPE IntNoise1D(int a_X) const; - INLINE NOISE_DATATYPE IntNoise2D(int a_X, int a_Y) const; - INLINE NOISE_DATATYPE IntNoise3D(int a_X, int a_Y, int a_Z) const; + inline NOISE_DATATYPE IntNoise1D(int a_X) const; + inline NOISE_DATATYPE IntNoise2D(int a_X, int a_Y) const; + inline NOISE_DATATYPE IntNoise3D(int a_X, int a_Y, int a_Z) const; // Return a float number in the specified range: - INLINE NOISE_DATATYPE IntNoise2DInRange(int a_X, int a_Y, float a_Min, float a_Max) const + inline NOISE_DATATYPE IntNoise2DInRange(int a_X, int a_Y, float a_Min, float a_Max) const { return a_Min + std::abs(IntNoise2D(a_X, a_Y)) * (a_Max - a_Min); } // Note: These functions have a mod8-irregular chance - each of the mod8 remainders has different chance of occurrence. Divide by 8 to rectify. - INLINE int IntNoise1DInt(int a_X) const; - INLINE int IntNoise2DInt(int a_X, int a_Y) const; - INLINE int IntNoise3DInt(int a_X, int a_Y, int a_Z) const; + inline int IntNoise1DInt(int a_X) const; + inline int IntNoise2DInt(int a_X, int a_Y) const; + inline int IntNoise3DInt(int a_X, int a_Y, int a_Z) const; NOISE_DATATYPE LinearNoise1D(NOISE_DATATYPE a_X) const; NOISE_DATATYPE CosineNoise1D(NOISE_DATATYPE a_X) const; @@ -61,9 +50,9 @@ public: void SetSeed(int a_Seed) { m_Seed = a_Seed; } - INLINE static NOISE_DATATYPE CubicInterpolate (NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_C, NOISE_DATATYPE a_D, NOISE_DATATYPE a_Pct); - INLINE static NOISE_DATATYPE CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct); - INLINE static NOISE_DATATYPE LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct); + inline static NOISE_DATATYPE CubicInterpolate (NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_C, NOISE_DATATYPE a_D, NOISE_DATATYPE a_Pct); + inline static NOISE_DATATYPE CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct); + inline static NOISE_DATATYPE LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct); private: int m_Seed; @@ -76,19 +65,15 @@ private: class cCubicNoise { public: - static const int MAX_SIZE = 512; ///< Maximum size of each dimension of the query arrays. + /** Maximum size of each dimension of the query arrays. */ + static const int MAX_SIZE = 512; + /** Creates a new instance with the specified seed. */ cCubicNoise(int a_Seed); - void Generate1D( - NOISE_DATATYPE * a_Array, ///< Array to generate into - int a_SizeX, ///< Count of the array - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX ///< Noise-space coords of the array - ) const; - - + /** Fills a 2D array with the values of the noise. */ void Generate2D( NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] int a_SizeX, int a_SizeY, ///< Count of the array, in each direction @@ -97,6 +82,7 @@ public: ) const; + /** Fills a 3D array with the values of the noise. */ void Generate3D( NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction @@ -106,163 +92,87 @@ public: ) const; protected: - typedef NOISE_DATATYPE Workspace1D[4]; - typedef NOISE_DATATYPE Workspace2D[4][4]; - - cNoise m_Noise; // Used for integral rnd values - - #ifdef _DEBUG - // Statistics on the noise-space coords: - static int m_NumSingleX; - static int m_NumSingleXY; - static int m_NumSingleY; - static int m_NumCalls; - #endif // _DEBUG - /// Calculates the integral and fractional parts along one axis. + /** Noise used for integral random values. */ + cNoise m_Noise; + + + /** Calculates the integral and fractional parts along one axis. + a_Floor will receive the integral parts (array of a_Size ints). + a_Frac will receive the fractional parts (array of a_Size floats). + a_Same will receive the counts of items that have the same integral parts (array of up to a_Size ints). + a_NumSame will receive the count of a_Same elements (total count of different integral parts). */ void CalcFloorFrac( int a_Size, NOISE_DATATYPE a_Start, NOISE_DATATYPE a_End, int * a_Floor, NOISE_DATATYPE * a_Frac, int * a_Same, int & a_NumSame ) const; - - void UpdateWorkRnds2DX( - Workspace2D & a_WorkRnds, - Workspace1D & a_Interps, - int a_LastFloorX, int a_NewFloorX, - int a_FloorY, - NOISE_DATATYPE a_FractionY - ) const; } ; -class cPerlinNoise +/** Improved noise, as described by Ken Perlin: http://mrl.nyu.edu/~perlin/paper445.pdf +Implementation adapted from Perlin's Java implementation: http://mrl.nyu.edu/~perlin/noise/ */ +class cImprovedNoise { public: - cPerlinNoise(void); - cPerlinNoise(int a_Seed); - - - void SetSeed(int a_Seed); - - void AddOctave(NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude); - - void Generate1D( - NOISE_DATATYPE * a_Array, ///< Array to generate into - int a_SizeX, ///< Count of the array - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array - NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash - ) const; - - + /** Constructs a new instance of the noise obbject. + Note that this operation is quite expensive (the permutation array being constructed). */ + cImprovedNoise(int a_Seed); + + + /** Fills a 2D array with the values of the noise. */ void Generate2D( NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] int a_SizeX, int a_SizeY, ///< Count of the array, in each direction NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ///< Noise-space coords of the array in the Y direction ) const; + /** Fills a 3D array with the values of the noise. */ void Generate3D( NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction - NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash + NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ///< Noise-space coords of the array in the Z direction ) const; - + + /** Returns the value at the specified integral coords. Used for raw speed measurement. */ + NOISE_DATATYPE GetValueAt(int a_X, int a_Y, int a_Z); + protected: - class cOctave + + /** The permutation table used by the noise function. Initialized using seed. */ + int m_Perm[512]; + + + /** Calculates the fade curve, 6 * t^5 - 15 * t^4 + 10 * t^3. */ + inline static NOISE_DATATYPE Fade(NOISE_DATATYPE a_T) { - public: - cCubicNoise m_Noise; - - NOISE_DATATYPE m_Frequency; // Coord multiplier - NOISE_DATATYPE m_Amplitude; // Value multiplier - - cOctave(int a_Seed, NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) : - m_Noise(a_Seed), - m_Frequency(a_Frequency), - m_Amplitude(a_Amplitude) - { - } - } ; - - typedef std::vector<cOctave> cOctaves; - - int m_Seed; - cOctaves m_Octaves; -} ; + return a_T * a_T * a_T * (a_T * (a_T * 6 - 15) + 10); + } + /** Returns the gradient value based on the hash. */ + inline static NOISE_DATATYPE Grad(int a_Hash, NOISE_DATATYPE a_X, NOISE_DATATYPE a_Y, NOISE_DATATYPE a_Z) + { + int hash = a_Hash % 16; + NOISE_DATATYPE u = (hash < 8) ? a_X : a_Y; + NOISE_DATATYPE v = (hash < 4) ? a_Y : (((hash == 12) || (hash == 14)) ? a_X : a_Z); + return (((hash & 1) == 0) ? u : -u) + (((hash & 2) == 0) ? v : -v); + } +}; -class cRidgedMultiNoise -{ -public: - cRidgedMultiNoise(void); - cRidgedMultiNoise(int a_Seed); - - - void SetSeed(int a_Seed); - - void AddOctave(NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude); - - void Generate1D( - NOISE_DATATYPE * a_Array, ///< Array to generate into - int a_SizeX, ///< Count of the array - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array - NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash - ) const; - - - void Generate2D( - NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] - int a_SizeX, int a_SizeY, ///< Count of the array, in each direction - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash - ) const; - - - void Generate3D( - NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] - int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction - NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction - NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction - NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction - NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash - ) const; - -protected: - class cOctave - { - public: - cCubicNoise m_Noise; - - NOISE_DATATYPE m_Frequency; // Coord multiplier - NOISE_DATATYPE m_Amplitude; // Value multiplier - - cOctave(int a_Seed, NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) : - m_Noise(a_Seed), - m_Frequency(a_Frequency), - m_Amplitude(a_Amplitude) - { - } - } ; - - typedef std::vector<cOctave> cOctaves; - - int m_Seed; - cOctaves m_Octaves; -} ; + +typedef cOctavedNoise<cCubicNoise> cPerlinNoise; +typedef cOctavedNoise<cRidgedNoise<cCubicNoise>> cRidgedMultiNoise; @@ -376,8 +286,46 @@ NOISE_DATATYPE cNoise::LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, //////////////////////////////////////////////////////////////////////////////// // Global functions: -extern void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase); -extern void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase); +/** Exports the noise array into a file. +a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */ +extern void Debug2DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32); + +/** Exports the noise array into a set of files, ordered by XY and XZ. +a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */ +extern void Debug3DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32); + + + + +/** Linearly interpolates between two values. +Assumes that a_Ratio is in range [0, 1]. */ +inline NOISE_DATATYPE Lerp(NOISE_DATATYPE a_Val1, NOISE_DATATYPE a_Val2, NOISE_DATATYPE a_Ratio) +{ + return a_Val1 + (a_Val2 - a_Val1) * a_Ratio; +} + + + + + +/** Linearly interpolates between two values, clamping the ratio to [0, 1] first. */ +inline NOISE_DATATYPE ClampedLerp(NOISE_DATATYPE a_Val1, NOISE_DATATYPE a_Val2, NOISE_DATATYPE a_Ratio) +{ + if (a_Ratio < 0) + { + return a_Val1; + } + if (a_Ratio > 1) + { + return a_Val2; + } + return Lerp(a_Val1, a_Val2, a_Ratio); +} + + + + + diff --git a/src/Noise/OctavedNoise.h b/src/Noise/OctavedNoise.h new file mode 100644 index 000000000..855117289 --- /dev/null +++ b/src/Noise/OctavedNoise.h @@ -0,0 +1,192 @@ + +// OctavedNoise.h + +// Implements the cOctavedNoise class template representing a noise generator that layers several octaves of another noise + + + + + +#pragma once + + + + + +template <typename N> +class cOctavedNoise +{ +public: + cOctavedNoise(int a_Seed = 0): + m_Seed(a_Seed) + { + } + + + /** Sets a new seed for the generators. Relays the seed to all underlying octaves. */ + void SetSeed(int a_Seed) + { + m_Seed = a_Seed; + for (auto oct: m_Octaves) + { + oct->SetSeed(a_Seed); + } + } + + + /** Adds a new octave to the list of octaves that compose this noise. */ + void AddOctave(NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) + { + m_Octaves.emplace_back(m_Seed, a_Frequency, a_Amplitude); + } + + + /** Fills a 2D array with the values of the noise. */ + void Generate2D( + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] + int a_SizeX, int a_SizeY, ///< Count of the array, in each direction + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction + NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash. + ) const + { + // Check that state is alright: + if (m_Octaves.empty()) + { + ASSERT(!"cOctavedNoise: No octaves to generate!"); + return; + } + + // Allocate the workspace on the heap, if it wasn't given: + std::unique_ptr<NOISE_DATATYPE[]> workspaceHeap; + if (a_Workspace == nullptr) + { + workspaceHeap.reset(new NOISE_DATATYPE[a_SizeX * a_SizeY]); + a_Workspace = workspaceHeap.get(); + } + + // Generate the first octave directly into array: + const cOctave & FirstOctave = m_Octaves.front(); + int ArrayCount = a_SizeX * a_SizeY; + FirstOctave.m_Noise.Generate2D( + a_Workspace, a_SizeX, a_SizeY, + a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency, + a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency + ); + NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude; + for (int i = 0; i < ArrayCount; i++) + { + a_Array[i] = a_Workspace[i] * Amplitude; + } + + // Add each octave: + for (auto itr = m_Octaves.cbegin() + 1, end = m_Octaves.cend(); itr != end; ++itr) + { + // Generate the noise for the octave: + itr->m_Noise.Generate2D( + a_Workspace, a_SizeX, a_SizeY, + a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency, + a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency + ); + // Add it into the output: + NOISE_DATATYPE Amplitude = itr->m_Amplitude; + for (int i = 0; i < ArrayCount; i++) + { + a_Array[i] += a_Workspace[i] * Amplitude; + } + } // for itr - m_Octaves[] + } + + + /** Fills a 3D array with the values of the noise. */ + void Generate3D( + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] + int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction + NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction + NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash, same size as a_Array + ) const + { + // Check that state is alright: + if (m_Octaves.empty()) + { + ASSERT(!"cOctavedNoise: No octaves to generate!"); + return; + } + + // Allocate the workspace on the heap, if it wasn't given: + std::unique_ptr<NOISE_DATATYPE[]> workspaceHeap; + if (a_Workspace == nullptr) + { + workspaceHeap.reset(new NOISE_DATATYPE[a_SizeX * a_SizeY * a_SizeZ]); + a_Workspace = workspaceHeap.get(); + } + + // Generate the first octave directly into array: + const cOctave & FirstOctave = m_Octaves.front(); + int ArrayCount = a_SizeX * a_SizeY * a_SizeZ; + FirstOctave.m_Noise.Generate3D( + a_Workspace, a_SizeX, a_SizeY, a_SizeZ, + a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency, + a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency, + a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency + ); + NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude; + for (int i = 0; i < ArrayCount; i++) + { + a_Array[i] = a_Workspace[i] * Amplitude; + } + + // Add each octave: + for (auto itr = m_Octaves.cbegin() + 1, end = m_Octaves.cend(); itr != end; ++itr) + { + // Generate the noise for the octave: + itr->m_Noise.Generate3D( + a_Workspace, a_SizeX, a_SizeY, a_SizeZ, + a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency, + a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency, + a_StartZ * itr->m_Frequency, a_EndZ * itr->m_Frequency + ); + // Add it into the output: + NOISE_DATATYPE Amplitude = itr->m_Amplitude; + for (int i = 0; i < ArrayCount; i++) + { + a_Array[i] += a_Workspace[i] * Amplitude; + } + } // for itr - m_Octaves[] + } + +protected: + /** Stores information and state for one octave of the noise. */ + class cOctave + { + public: + N m_Noise; + + /** Coord multiplier. */ + NOISE_DATATYPE m_Frequency; + + /** Value multiplier. */ + NOISE_DATATYPE m_Amplitude; + + cOctave(int a_Seed, NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) : + m_Noise(a_Seed), + m_Frequency(a_Frequency), + m_Amplitude(a_Amplitude) + { + } + } ; + typedef std::vector<cOctave> cOctaves; + + + /** The seed used by the underlying generators. */ + int m_Seed; + + /** The octaves that compose this noise. */ + cOctaves m_Octaves; +}; + + + + diff --git a/src/Noise/RidgedNoise.h b/src/Noise/RidgedNoise.h new file mode 100644 index 000000000..69b480f60 --- /dev/null +++ b/src/Noise/RidgedNoise.h @@ -0,0 +1,91 @@ + +// RidgedNoise.h + +// Implements the cRidgedNoise template class that generates ridged noise based on another noise provider. + + + + + +#pragma once + + + + + +template <typename N> +class cRidgedNoise +{ +public: + /** Creates a new instance with the seed set to 0. */ + cRidgedNoise(void): + m_Noise(0) + { + } + + + /** Creates a new instance with the specified seed. */ + cRidgedNoise(int a_Seed): + m_Noise(a_Seed) + { + } + + + /** Sets the seed for the underlying noise. */ + void SetSeed(int a_Seed) + { + m_Noise.SetSeed(a_Seed); + } + + + /** Fills a 2D array with the values of the noise. */ + void Generate2D( + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y] + int a_SizeX, int a_SizeY, ///< Count of the array, in each direction + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ///< Noise-space coords of the array in the Y direction + ) const + { + int ArrayCount = a_SizeX * a_SizeY; + m_Noise.Generate2D( + a_Array, a_SizeX, a_SizeY, + a_StartX, a_EndX, + a_StartY, a_EndY + ); + for (int i = 0; i < ArrayCount; i++) + { + a_Array[i] = fabs(a_Array[i]); + } + } + + + /** Fills a 3D array with the values of the noise. */ + void Generate3D( + NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z] + int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction + NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction + NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction + NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ///< Noise-space coords of the array in the Z direction + ) const + { + int ArrayCount = a_SizeX * a_SizeY * a_SizeZ; + m_Noise.Generate2D( + a_Array, a_SizeX, a_SizeY, a_SizeZ, + a_StartX, a_EndX, + a_StartY, a_EndY, + a_StartZ, a_EndZ + ); + for (int i = 0; i < ArrayCount; i++) + { + a_Array[i] = fabs(a_Array[i]); + } + } + +protected: + N m_Noise; +} ; + + + + + diff --git a/src/Root.cpp b/src/Root.cpp index c29310337..bb3fc37ed 100644 --- a/src/Root.cpp +++ b/src/Root.cpp @@ -627,6 +627,22 @@ bool cRoot::FindAndDoWithPlayer(const AString & a_PlayerName, cPlayerListCallbac +bool cRoot::DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback) +{ + for (WorldMap::iterator itr = m_WorldsByName.begin(); itr != m_WorldsByName.end();itr++) + { + if (itr->second->DoWithPlayerByUUID(a_PlayerUUID, a_Callback)) + { + return true; + } + } + return false; +} + + + + + AString cRoot::GetProtocolVersionTextFromInt(int a_ProtocolVersion) { return cProtocolRecognizer::GetVersionTextFromInt(a_ProtocolVersion); diff --git a/src/Root.h b/src/Root.h index 2860c1ce2..5db15c277 100644 --- a/src/Root.h +++ b/src/Root.h @@ -127,6 +127,9 @@ public: /// Finds a player from a partial or complete player name and calls the callback - case-insensitive bool FindAndDoWithPlayer(const AString & a_PlayerName, cPlayerListCallback & a_Callback); // >> EXPORTED IN MANUALBINDINGS << + /** Finds the player over his uuid and calls the callback */ + bool DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback); // >> EXPORTED IN MANUALBINDINGS << + // tolua_begin /// Sends a chat message to all connected clients (in all worlds) diff --git a/src/Vector3.h b/src/Vector3.h index 1854e42e3..1e4a1f5d9 100644 --- a/src/Vector3.h +++ b/src/Vector3.h @@ -93,6 +93,21 @@ public: return x * a_Rhs.x + y * a_Rhs.y + z * a_Rhs.z; } + inline void abs() + { + x = (x < 0) ? -x : x; + y = (y < 0) ? -y : y; + z = (z < 0) ? -z : z; + } + + // We can't use a capital letter, because we wouldn't be able to call the normal Clamp function. + inline void clamp(T a_Min, T a_Max) + { + x = Clamp(x, a_Min, a_Max); + y = Clamp(y, a_Min, a_Max); + z = Clamp(z, a_Min, a_Max); + } + inline Vector3<T> Cross(const Vector3<T> & a_Rhs) const { return Vector3<T>( diff --git a/src/VoronoiMap.h b/src/VoronoiMap.h index dfb11e9ce..56022849e 100644 --- a/src/VoronoiMap.h +++ b/src/VoronoiMap.h @@ -9,7 +9,7 @@ #pragma once -#include "Noise.h" +#include "Noise/Noise.h" diff --git a/src/World.cpp b/src/World.cpp index 7dce666b7..09fb90a12 100644 --- a/src/World.cpp +++ b/src/World.cpp @@ -277,6 +277,7 @@ cWorld::cWorld(const AString & a_WorldName, eDimension a_Dimension, const AStrin m_bCommandBlocksEnabled(true), m_bUseChatPrefixes(false), m_TNTShrapnelLevel(slNone), + m_MaxViewDistance(12), m_Scoreboard(this), m_MapManager(this), m_GeneratorCallbacks(*this), @@ -555,6 +556,8 @@ void cWorld::Start(void) m_BroadcastDeathMessages = IniFile.GetValueSetB("Broadcasting", "BroadcastDeathMessages", true); m_BroadcastAchievementMessages = IniFile.GetValueSetB("Broadcasting", "BroadcastAchievementMessages", true); + SetMaxViewDistance(IniFile.GetValueSetI("SpawnPosition", "MaxViewDistance", 12)); + // Try to find the "SpawnPosition" key and coord values in the world configuration, set the flag if found int KeyNum = IniFile.FindKey("SpawnPosition"); m_IsSpawnExplicitlySet = @@ -2723,6 +2726,23 @@ bool cWorld::FindAndDoWithPlayer(const AString & a_PlayerNameHint, cPlayerListCa +bool cWorld::DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback) +{ + cCSLock Lock(m_CSPlayers); + for (cPlayerList::iterator itr = m_Players.begin(); itr != m_Players.end(); ++itr) + { + if ((*itr)->GetUUID() == a_PlayerUUID) + { + return a_Callback.Item(*itr); + } + } + return false; +} + + + + + // TODO: This interface is dangerous! cPlayer * cWorld::FindClosestPlayer(const Vector3d & a_Pos, float a_SightLimit, bool a_CheckLineOfSight) { @@ -2903,25 +2923,19 @@ bool cWorld::SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const AStrin AString Line2(a_Line2); AString Line3(a_Line3); AString Line4(a_Line4); + if (cRoot::Get()->GetPluginManager()->CallHookUpdatingSign(*this, a_BlockX, a_BlockY, a_BlockZ, Line1, Line2, Line3, Line4, a_Player)) { return false; } + if (m_ChunkMap->SetSignLines(a_BlockX, a_BlockY, a_BlockZ, Line1, Line2, Line3, Line4)) { cRoot::Get()->GetPluginManager()->CallHookUpdatedSign(*this, a_BlockX, a_BlockY, a_BlockZ, Line1, Line2, Line3, Line4, a_Player); return true; } - return false; -} - - - - -bool cWorld::UpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player) -{ - return SetSignLines(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, a_Player); + return false; } diff --git a/src/World.h b/src/World.h index 298834259..9e91064df 100644 --- a/src/World.h +++ b/src/World.h @@ -26,6 +26,7 @@ #include "Blocks/WorldInterface.h" #include "Blocks/BroadcastInterface.h" #include "FastRandom.h" +#include "ClientHandle.h" @@ -323,6 +324,9 @@ public: // TODO: This interface is dangerous - rewrite to DoWithClosestPlayer(pos, sight, action) cPlayer * FindClosestPlayer(const Vector3d & a_Pos, float a_SightLimit, bool a_CheckLineOfSight = true); + /** Finds the player over his uuid and calls the callback */ + bool DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback); // >> EXPORTED IN MANUALBINDINGS << + void SendPlayerList(cPlayer * a_DestPlayer); // Sends playerlist to the player /** Adds the entity into its appropriate chunk; takes ownership of the entity ptr. @@ -374,11 +378,8 @@ public: /** Marks the chunk as failed-to-load: */ void ChunkLoadFailed(int a_ChunkX, int a_ChunkZ); - /** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be nullptr. Returns true if sign text changed. Same as UpdateSign() */ + /** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be nullptr. Returns true if sign text changed. */ bool SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player = nullptr); // Exported in ManualBindings.cpp - - /** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be nullptr. Returns true if sign text changed. Same as SetSignLines() */ - bool UpdateSign(int a_X, int a_Y, int a_Z, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player = nullptr); // Exported in ManualBindings.cpp /** Sets the command block command. Returns true if command changed. */ bool SetCommandBlockCommand(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Command); // tolua_export @@ -646,6 +647,12 @@ public: eShrapnelLevel GetTNTShrapnelLevel(void) const { return m_TNTShrapnelLevel; } void SetTNTShrapnelLevel(eShrapnelLevel a_Flag) { m_TNTShrapnelLevel = a_Flag; } + int GetMaxViewDistance(void) const { return m_MaxViewDistance; } + void SetMaxViewDistance(int a_MaxViewDistance) + { + m_MaxViewDistance = Clamp(a_MaxViewDistance, cClientHandle::MIN_VIEW_DISTANCE, cClientHandle::MAX_VIEW_DISTANCE); + } + bool ShouldUseChatPrefixes(void) const { return m_bUseChatPrefixes; } void SetShouldUseChatPrefixes(bool a_Flag) { m_bUseChatPrefixes = a_Flag; } @@ -961,6 +968,9 @@ private: */ eShrapnelLevel m_TNTShrapnelLevel; + /** The maximum view distance that a player can have in this world. */ + int m_MaxViewDistance; + /** Name of the nether world */ AString m_NetherWorldName; diff --git a/src/WorldStorage/NBTChunkSerializer.cpp b/src/WorldStorage/NBTChunkSerializer.cpp index d85a5c329..4daa8cc7b 100644 --- a/src/WorldStorage/NBTChunkSerializer.cpp +++ b/src/WorldStorage/NBTChunkSerializer.cpp @@ -604,6 +604,28 @@ void cNBTChunkSerializer::AddMonsterEntity(cMonster * a_Monster) m_Writer.AddByte("IsConverting", (((const cZombie *)a_Monster)->IsConverting() ? 1 : 0)); break; } + case mtInvalidType: + case mtBlaze: + case mtCaveSpider: + case mtChicken: + case mtCow: + case mtEnderDragon: + case mtGhast: + case mtGiant: + case mtIronGolem: + case mtMooshroom: + case mtOcelot: + case mtPig: + case mtSilverfish: + case mtSnowGolem: + case mtSpider: + case mtSquid: + case mtWitch: + case mtZombiePigman: + { + // Other mobs have no special tags. + break; + } } m_Writer.EndCompound(); } diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp index af7551ee4..0c77b4d67 100644 --- a/src/WorldStorage/WSSAnvil.cpp +++ b/src/WorldStorage/WSSAnvil.cpp @@ -696,11 +696,28 @@ cBlockEntity * cWSSAnvil::LoadBlockEntityFromNBT(const cParsedNBT & a_NBT, int a bool cWSSAnvil::LoadItemFromNBT(cItem & a_Item, const cParsedNBT & a_NBT, int a_TagIdx) { int Type = a_NBT.FindChildByName(a_TagIdx, "id"); - if ((Type < 0) || (a_NBT.GetType(Type) != TAG_Short)) + if (Type <= 0) { return false; } - a_Item.m_ItemType = a_NBT.GetShort(Type); + + if (a_NBT.GetType(Type) == TAG_String) + { + if (!StringToItem(a_NBT.GetString(Type), a_Item)) + { + // Can't resolve item type + return false; + } + } + else if (a_NBT.GetType(Type) == TAG_Short) + { + a_Item.m_ItemType = a_NBT.GetShort(Type); + } + else + { + return false; + } + if (a_Item.m_ItemType < 0) { a_Item.Empty(); |