diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Generating/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/Generating/ComposableGenerator.cpp | 68 | ||||
| -rw-r--r-- | src/Generating/FinishGen.cpp | 23 | ||||
| -rw-r--r-- | src/Generating/FinishGen.h | 59 | ||||
| -rw-r--r-- | src/Generating/RoughRavines.cpp | 318 | ||||
| -rw-r--r-- | src/Generating/RoughRavines.h | 86 | ||||
| -rw-r--r-- | src/Noise.h | 12 |
7 files changed, 543 insertions, 25 deletions
diff --git a/src/Generating/CMakeLists.txt b/src/Generating/CMakeLists.txt index 9063abd97..58df9d421 100644 --- a/src/Generating/CMakeLists.txt +++ b/src/Generating/CMakeLists.txt @@ -25,6 +25,7 @@ SET (SRCS PrefabPiecePool.cpp RainbowRoadsGen.cpp Ravines.cpp + RoughRavines.cpp StructGen.cpp TestRailsGen.cpp Trees.cpp @@ -52,6 +53,7 @@ SET (HDRS PrefabPiecePool.h RainbowRoadsGen.h Ravines.h + RoughRavines.h StructGen.h TestRailsGen.h Trees.h diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp index 075259260..a7659149a 100644 --- a/src/Generating/ComposableGenerator.cpp +++ b/src/Generating/ComposableGenerator.cpp @@ -26,6 +26,7 @@ #include "POCPieceGenerator.h" #include "RainbowRoadsGen.h" #include "Ravines.h" +#include "RoughRavines.h" #include "TestRailsGen.h" #include "UnderwaterBaseGen.h" #include "VillageGen.h" @@ -309,7 +310,25 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile) } else if (NoCaseCompare(*itr, "DeadBushes") == 0) { - m_FinishGens.push_back(new cFinishGenSingleBiomeSingleTopBlock(Seed, E_BLOCK_DEAD_BUSH, biDesert, 2, E_BLOCK_SAND, E_BLOCK_SAND)); + // A list with all the allowed biomes. + cFinishGenSingleTopBlock::BiomeList AllowedBiomes; + AllowedBiomes.push_back(biDesert); + AllowedBiomes.push_back(biDesertHills); + AllowedBiomes.push_back(biDesertM); + AllowedBiomes.push_back(biMesa); + AllowedBiomes.push_back(biMesaBryce); + AllowedBiomes.push_back(biMesaPlateau); + AllowedBiomes.push_back(biMesaPlateauF); + AllowedBiomes.push_back(biMesaPlateauFM); + AllowedBiomes.push_back(biMesaPlateauM); + + // A list with all the allowed blocks that can be below the dead bush. + cFinishGenSingleTopBlock::BlockList AllowedBlocks; + AllowedBlocks.push_back(E_BLOCK_SAND); + AllowedBlocks.push_back(E_BLOCK_HARDENED_CLAY); + AllowedBlocks.push_back(E_BLOCK_STAINED_CLAY); + + m_FinishGens.push_back(new cFinishGenSingleTopBlock(Seed, E_BLOCK_DEAD_BUSH, AllowedBiomes, 2, AllowedBlocks)); } else if (NoCaseCompare(*itr, "DirectOverhangs") == 0) { @@ -356,7 +375,17 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile) } else if (NoCaseCompare(*itr, "Lilypads") == 0) { - m_FinishGens.push_back(new cFinishGenSingleBiomeSingleTopBlock(Seed, E_BLOCK_LILY_PAD, biSwampland, 4, E_BLOCK_WATER, E_BLOCK_STATIONARY_WATER)); + // A list with all the allowed biomes. + cFinishGenSingleTopBlock::BiomeList AllowedBiomes; + AllowedBiomes.push_back(biSwampland); + AllowedBiomes.push_back(biSwamplandM); + + // A list with all the allowed blocks that can be below the lilypad. + cFinishGenSingleTopBlock::BlockList AllowedBlocks; + AllowedBlocks.push_back(E_BLOCK_WATER); + AllowedBlocks.push_back(E_BLOCK_STATIONARY_WATER); + + m_FinishGens.push_back(new cFinishGenSingleTopBlock(Seed, E_BLOCK_LILY_PAD, AllowedBiomes, 4, AllowedBlocks)); } else if (NoCaseCompare(*itr, "NetherClumpFoliage") == 0) { @@ -383,16 +412,45 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile) } else if (NoCaseCompare(*itr, "RainbowRoads") == 0) { - int GridSize = a_IniFile.GetValueSetI("Generator", "RainbowRoadsGridSize", 512); + int GridSize = a_IniFile.GetValueSetI("Generator", "RainbowRoadsGridSize", 512); int MaxOffset = a_IniFile.GetValueSetI("Generator", "RainbowRoadsMaxOffset", 128); - int MaxDepth = a_IniFile.GetValueSetI("Generator", "RainbowRoadsMaxDepth", 30); - int MaxSize = a_IniFile.GetValueSetI("Generator", "RainbowRoadsMaxSize", 260); + int MaxDepth = a_IniFile.GetValueSetI("Generator", "RainbowRoadsMaxDepth", 30); + int MaxSize = a_IniFile.GetValueSetI("Generator", "RainbowRoadsMaxSize", 260); m_FinishGens.push_back(new cRainbowRoadsGen(Seed, GridSize, MaxOffset, MaxDepth, MaxSize)); } else if (NoCaseCompare(*itr, "Ravines") == 0) { m_FinishGens.push_back(new cStructGenRavines(Seed, 128)); } + else if (NoCaseCompare(*itr, "RoughRavines") == 0) + { + int GridSize = a_IniFile.GetValueSetI("Generator", "RoughRavinesGridSize", 256); + int MaxOffset = a_IniFile.GetValueSetI("Generator", "RoughRavinesMaxOffset", 128); + int MaxSize = a_IniFile.GetValueSetI("Generator", "RoughRavinesMaxSize", 128); + int MinSize = a_IniFile.GetValueSetI("Generator", "RoughRavinesMinSize", 64); + double MaxCenterWidth = a_IniFile.GetValueSetF("Generator", "RoughRavinesMaxCenterWidth", 8); + double MinCenterWidth = a_IniFile.GetValueSetF("Generator", "RoughRavinesMinCenterWidth", 2); + double MaxRoughness = a_IniFile.GetValueSetF("Generator", "RoughRavinesMaxRoughness", 0.2); + double MinRoughness = a_IniFile.GetValueSetF("Generator", "RoughRavinesMinRoughness", 0.05); + double MaxFloorHeightEdge = a_IniFile.GetValueSetF("Generator", "RoughRavinesMaxFloorHeightEdge", 8); + double MinFloorHeightEdge = a_IniFile.GetValueSetF("Generator", "RoughRavinesMinFloorHeightEdge", 30); + double MaxFloorHeightCenter = a_IniFile.GetValueSetF("Generator", "RoughRavinesMaxFloorHeightCenter", 20); + double MinFloorHeightCenter = a_IniFile.GetValueSetF("Generator", "RoughRavinesMinFloorHeightCenter", 6); + double MaxCeilingHeightEdge = a_IniFile.GetValueSetF("Generator", "RoughRavinesMaxCeilingHeightEdge", 56); + double MinCeilingHeightEdge = a_IniFile.GetValueSetF("Generator", "RoughRavinesMinCeilingHeightEdge", 38); + double MaxCeilingHeightCenter = a_IniFile.GetValueSetF("Generator", "RoughRavinesMaxCeilingHeightCenter", 58); + double MinCeilingHeightCenter = a_IniFile.GetValueSetF("Generator", "RoughRavinesMinCeilingHeightCenter", 36); + m_FinishGens.push_back(new cRoughRavines( + Seed, MaxSize, MinSize, + (float)MaxCenterWidth, (float)MinCenterWidth, + (float)MaxRoughness, (float)MinRoughness, + (float)MaxFloorHeightEdge, (float)MinFloorHeightEdge, + (float)MaxFloorHeightCenter, (float)MinFloorHeightCenter, + (float)MaxCeilingHeightEdge, (float)MinCeilingHeightEdge, + (float)MaxCeilingHeightCenter, (float)MinCeilingHeightCenter, + GridSize, MaxOffset + )); + } else if (NoCaseCompare(*itr, "Snow") == 0) { m_FinishGens.push_back(new cFinishGenSnow); diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp index a710ca508..f53addb68 100644 --- a/src/Generating/FinishGen.cpp +++ b/src/Generating/FinishGen.cpp @@ -463,14 +463,14 @@ void cFinishGenIce::GenFinish(cChunkDesc & a_ChunkDesc) //////////////////////////////////////////////////////////////////////////////// -// cFinishGenLilypads: +// cFinishGenSingleTopBlock: -int cFinishGenSingleBiomeSingleTopBlock::GetNumToGen(const cChunkDef::BiomeMap & a_BiomeMap) +int cFinishGenSingleTopBlock::GetNumToGen(const cChunkDef::BiomeMap & a_BiomeMap) { int res = 0; for (size_t i = 0; i < ARRAYCOUNT(a_BiomeMap); i++) { - if (a_BiomeMap[i] == m_Biome) + if (IsAllowedBiome(a_BiomeMap[i])) { res++; } @@ -482,7 +482,7 @@ int cFinishGenSingleBiomeSingleTopBlock::GetNumToGen(const cChunkDef::BiomeMap & -void cFinishGenSingleBiomeSingleTopBlock::GenFinish(cChunkDesc & a_ChunkDesc) +void cFinishGenSingleTopBlock::GenFinish(cChunkDesc & a_ChunkDesc) { // Add Lilypads on top of water surface in Swampland @@ -495,11 +495,13 @@ void cFinishGenSingleBiomeSingleTopBlock::GenFinish(cChunkDesc & a_ChunkDesc) int z = (m_Noise.IntNoise3DInt(ChunkX - ChunkZ, i, ChunkZ) / 11) % cChunkDef::Width; // Place the block at {x, z} if possible: - if (a_ChunkDesc.GetBiome(x, z) != m_Biome) + EMCSBiome Biome = a_ChunkDesc.GetBiome(x, z); + if (!IsAllowedBiome(Biome)) { // Incorrect biome continue; } + int Height = a_ChunkDesc.GetHeight(x, z); if (Height >= cChunkDef::Height) { @@ -511,13 +513,16 @@ void cFinishGenSingleBiomeSingleTopBlock::GenFinish(cChunkDesc & a_ChunkDesc) // Not an empty block continue; } + BLOCKTYPE BlockBelow = a_ChunkDesc.GetBlockType(x, Height, z); - if ((BlockBelow == m_AllowedBelow1) || (BlockBelow == m_AllowedBelow2)) + if (!IsAllowedBlockBelow(BlockBelow)) { - a_ChunkDesc.SetBlockType(x, Height + 1, z, m_BlockType); - a_ChunkDesc.SetHeight(x, z, Height + 1); + continue; } - } // for i + + a_ChunkDesc.SetBlockType(x, Height + 1, z, m_BlockType); + a_ChunkDesc.SetHeight(x, z, Height + 1); + } } diff --git a/src/Generating/FinishGen.h b/src/Generating/FinishGen.h index 810bb4a91..ed32768b3 100644 --- a/src/Generating/FinishGen.h +++ b/src/Generating/FinishGen.h @@ -143,32 +143,69 @@ Used for: - Lilypads finisher - DeadBushes finisher */ -class cFinishGenSingleBiomeSingleTopBlock : +class cFinishGenSingleTopBlock : public cFinishGen { public: - cFinishGenSingleBiomeSingleTopBlock( - int a_Seed, BLOCKTYPE a_BlockType, EMCSBiome a_Biome, int a_Amount, - BLOCKTYPE a_AllowedBelow1, BLOCKTYPE a_AllowedBelow2 + typedef std::vector<BLOCKTYPE> BlockList; + bool m_IsAllowedBelow[256]; + + typedef std::vector<EMCSBiome> BiomeList; + bool m_IsBiomeAllowed[256]; + + + cFinishGenSingleTopBlock( + int a_Seed, BLOCKTYPE a_BlockType, BiomeList a_Biomes, int a_Amount, + BlockList a_AllowedBelow ) : m_Noise(a_Seed), m_BlockType(a_BlockType), - m_Biome(a_Biome), - m_Amount(a_Amount), - m_AllowedBelow1(a_AllowedBelow1), - m_AllowedBelow2(a_AllowedBelow2) + m_Amount(a_Amount) { + // Initialize all the block types. + for (int idx = 0; idx < ARRAYCOUNT(m_IsAllowedBelow); ++idx) + { + m_IsAllowedBelow[idx] = false; + } + + // Load the allowed blocks into m_IsAllowedBelow + for (BlockList::iterator itr = a_AllowedBelow.begin(); itr != a_AllowedBelow.end(); ++itr) + { + m_IsAllowedBelow[*itr] = true; + } + + // Initialize all the biome types. + for (int idx = 0; idx < ARRAYCOUNT(m_IsBiomeAllowed); ++idx) + { + m_IsBiomeAllowed[idx] = false; + } + + // Load the allowed biomes into m_IsBiomeAllowed + for (BiomeList::iterator itr = a_Biomes.begin(); itr != a_Biomes.end(); ++itr) + { + m_IsBiomeAllowed[*itr] = true; + } } protected: cNoise m_Noise; BLOCKTYPE m_BlockType; - EMCSBiome m_Biome; int m_Amount; ///< Relative amount of blocks to try adding. 1 = one block per 256 biome columns. - BLOCKTYPE m_AllowedBelow1; ///< First of the two blocktypes that are allowed below m_BlockType - BLOCKTYPE m_AllowedBelow2; ///< Second of the two blocktypes that are allowed below m_BlockType int GetNumToGen(const cChunkDef::BiomeMap & a_BiomeMap); + + // Returns true if the given biome is a biome that is allowed. + inline bool IsAllowedBiome(EMCSBiome a_Biome) + { + return m_IsBiomeAllowed[a_Biome]; + } + + // Returns true if the given blocktype may be below m_BlockType + inline bool IsAllowedBlockBelow(BLOCKTYPE a_BlockBelow) + { + return m_IsAllowedBelow[a_BlockBelow]; + } + // cFinishGen override: virtual void GenFinish(cChunkDesc & a_ChunkDesc) override; diff --git a/src/Generating/RoughRavines.cpp b/src/Generating/RoughRavines.cpp new file mode 100644 index 000000000..badc7768e --- /dev/null +++ b/src/Generating/RoughRavines.cpp @@ -0,0 +1,318 @@ + +// RoughRavines.cpp + +// Implements the cRoughRavines class representing the rough ravine generator + +#include "Globals.h" + +#include "RoughRavines.h" + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cRoughRavine: + +class cRoughRavine : + public cGridStructGen::cStructure +{ + typedef cGridStructGen::cStructure super; + +public: + cRoughRavine( + int a_Seed, int a_Size, + float a_CenterWidth, float a_Roughness, + float a_FloorHeightEdge1, float a_FloorHeightEdge2, float a_FloorHeightCenter, + float a_CeilingHeightEdge1, float a_CeilingHeightEdge2, float a_CeilingHeightCenter, + int a_GridX, int a_GridZ, int a_OriginX, int a_OriginZ + ) : + super(a_GridX, a_GridZ, a_OriginX, a_OriginZ), + m_Seed(a_Seed + 100), + m_Noise(a_Seed + 100), + m_Roughness(a_Roughness) + { + // Create the basic structure - 2 lines meeting at the centerpoint: + int Max = 2 * a_Size; + int Half = a_Size; // m_DefPoints[Half] will be the centerpoint + m_DefPoints.resize(Max + 1); + int rnd = m_Noise.IntNoise2DInt(a_OriginX, a_OriginZ) / 7; + float Len = (float)a_Size; + float Angle = (float)rnd; // Angle is in radians, will be wrapped in the "sin" and "cos" operations + float OfsX = sin(Angle) * Len; + float OfsZ = cos(Angle) * Len; + m_DefPoints[0].Set (a_OriginX - OfsX, a_OriginZ - OfsZ, 1, a_CeilingHeightEdge1, a_FloorHeightEdge1); + m_DefPoints[Half].Set((float)a_OriginX, (float)a_OriginZ, a_CenterWidth, a_CeilingHeightCenter, a_FloorHeightCenter); + m_DefPoints[Max].Set (a_OriginX + OfsX, a_OriginZ + OfsZ, 1, a_CeilingHeightEdge2, a_FloorHeightEdge2); + + // Calculate the points in between, recursively: + SubdivideLine(0, Half); + SubdivideLine(Half, Max); + + // Initialize the per-height radius modifiers: + InitPerHeightRadius(a_GridX, a_GridZ); + } + +protected: + struct sRavineDefPoint + { + float m_X; + float m_Z; + float m_Radius; + float m_Top; + float m_Bottom; + + void Set(float a_X, float a_Z, float a_Radius, float a_Top, float a_Bottom) + { + m_X = a_X; + m_Z = a_Z; + m_Radius = a_Radius; + m_Top = a_Top; + m_Bottom = a_Bottom; + } + }; + typedef std::vector<sRavineDefPoint> sRavineDefPoints; + + int m_Seed; + + cNoise m_Noise; + + int m_MaxSize; + + sRavineDefPoints m_DefPoints; + + float m_Roughness; + + /** Number to add to the radius based on the height. This creates the "ledges" in the ravine walls. */ + float m_PerHeightRadius[cChunkDef::Height]; + + + /** Recursively subdivides the line between the points of the specified index. + Sets the midpoint to the center of the line plus or minus a random offset, then calls itself for each half + of the new line. */ + void SubdivideLine(int a_Idx1, int a_Idx2) + { + // Calculate the midpoint: + const sRavineDefPoint & p1 = m_DefPoints[a_Idx1]; + const sRavineDefPoint & p2 = m_DefPoints[a_Idx2]; + float MidX = (p1.m_X + p2.m_X) / 2; + float MidZ = (p1.m_Z + p2.m_Z) / 2; + float MidR = (p1.m_Radius + p2.m_Radius) / 2 + 0.1f; + float MidT = (p1.m_Top + p2.m_Top) / 2; + float MidB = (p1.m_Bottom + p2.m_Bottom) / 2; + + // Adjust the midpoint by a small amount of perpendicular vector in a random one of its two directions: + float dx = p2.m_X - p1.m_X; + float dz = p2.m_Z - p1.m_Z; + if ((m_Noise.IntNoise2DInt((int)MidX, (int)MidZ) / 11) % 2 == 0) + { + MidX += dz * m_Roughness; + MidZ -= dx * m_Roughness; + } + else + { + MidX -= dz * m_Roughness; + MidZ += dx * m_Roughness; + } + int MidIdx = (a_Idx1 + a_Idx2) / 2; + m_DefPoints[MidIdx].Set(MidX, MidZ, MidR, MidT, MidB); + + // Recurse the two halves, if they are worth recursing: + if (MidIdx - a_Idx1 > 1) + { + SubdivideLine(a_Idx1, MidIdx); + } + if (a_Idx2 - MidIdx > 1) + { + SubdivideLine(MidIdx, a_Idx2); + } + } + + + void InitPerHeightRadius(int a_GridX, int a_GridZ) + { + int h = 0; + while (h < cChunkDef::Height) + { + m_Noise.SetSeed(m_Seed + h); + int rnd = m_Noise.IntNoise2DInt(a_GridX, a_GridZ) / 13; + int NumBlocks = (rnd % 3) + 2; + rnd = rnd / 4; + float Val = (float)(rnd % 256) / 128 - 1; // Random float in range [-1, +1] + if (h + NumBlocks > cChunkDef::Height) + { + NumBlocks = cChunkDef::Height - h; + } + for (int i = 0; i < NumBlocks; i++) + { + m_PerHeightRadius[h + i] = Val; + } + h += NumBlocks; + } + } + + + virtual void DrawIntoChunk(cChunkDesc & a_ChunkDesc) override + { + int BlockStartX = a_ChunkDesc.GetChunkX() * cChunkDef::Width; + int BlockStartZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width; + int BlockEndX = BlockStartX + cChunkDef::Width; + int BlockEndZ = BlockStartZ + cChunkDef::Width; + for (sRavineDefPoints::const_iterator itr = m_DefPoints.begin(), end = m_DefPoints.end(); itr != end; ++itr) + { + if ( + (ceilf (itr->m_X + itr->m_Radius + 2) < BlockStartX) || + (floorf(itr->m_X - itr->m_Radius - 2) > BlockEndX) || + (ceilf (itr->m_Z + itr->m_Radius + 2) < BlockStartZ) || + (floorf(itr->m_Z - itr->m_Radius - 2) > BlockEndZ) + ) + { + // Cannot intersect, bail out early + continue; + } + + // Carve out a cylinder around the xz point, up to (m_Radius + 2) in diameter, from Bottom to Top: + // On each height level, use m_PerHeightRadius[] to modify the actual radius used + // EnlargedRadiusSq is the square of the radius enlarged by the maximum m_PerHeightRadius offset - anything outside it will never be touched. + float RadiusSq = (itr->m_Radius + 2) * (itr->m_Radius + 2); + float DifX = BlockStartX - itr->m_X; // substitution for faster calc + float DifZ = BlockStartZ - itr->m_Z; // substitution for faster calc + for (int x = 0; x < cChunkDef::Width; x++) for (int z = 0; z < cChunkDef::Width; z++) + { + #ifdef _DEBUG + // DEBUG: Make the roughravine shapepoints visible on a single layer (so that we can see with Minutor what's going on) + if ((DifX + x == 0) && (DifZ + z == 0)) + { + a_ChunkDesc.SetBlockType(x, 4, z, E_BLOCK_LAPIS_ORE); + } + #endif // _DEBUG + + // If the column is outside the enlarged radius, bail out completely + float DistSq = (DifX + x) * (DifX + x) + (DifZ + z) * (DifZ + z); + if (DistSq > RadiusSq) + { + continue; + } + + int Top = std::min((int)ceilf(itr->m_Top), +cChunkDef::Height); + for (int y = std::max((int)floorf(itr->m_Bottom), 1); y <= Top; y++) + { + if ((itr->m_Radius + m_PerHeightRadius[y]) * (itr->m_Radius + m_PerHeightRadius[y]) < DistSq) + { + continue; + } + switch (a_ChunkDesc.GetBlockType(x, y, z)) + { + // Only carve out these specific block types + case E_BLOCK_DIRT: + case E_BLOCK_GRASS: + case E_BLOCK_STONE: + case E_BLOCK_COBBLESTONE: + case E_BLOCK_GRAVEL: + case E_BLOCK_SAND: + case E_BLOCK_SANDSTONE: + case E_BLOCK_NETHERRACK: + case E_BLOCK_COAL_ORE: + case E_BLOCK_IRON_ORE: + case E_BLOCK_GOLD_ORE: + case E_BLOCK_DIAMOND_ORE: + case E_BLOCK_REDSTONE_ORE: + case E_BLOCK_REDSTONE_ORE_GLOWING: + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_AIR); + break; + } + default: break; + } // switch (BlockType) + } // for y + } // for x, z - a_BlockTypes + } // for itr - m_Points[] + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cRoughRavines: + +cRoughRavines::cRoughRavines( + int a_Seed, + int a_MaxSize, int a_MinSize, + float a_MaxCenterWidth, float a_MinCenterWidth, + float a_MaxRoughness, float a_MinRoughness, + float a_MaxFloorHeightEdge, float a_MinFloorHeightEdge, + float a_MaxFloorHeightCenter, float a_MinFloorHeightCenter, + float a_MaxCeilingHeightEdge, float a_MinCeilingHeightEdge, + float a_MaxCeilingHeightCenter, float a_MinCeilingHeightCenter, + int a_GridSize, int a_MaxOffset +) : + super(a_Seed, a_GridSize, a_GridSize, a_MaxOffset, a_MaxOffset, a_MaxSize, a_MaxSize, 64), + m_Seed(a_Seed), + m_MaxSize(a_MaxSize), + m_MinSize(a_MinSize), + m_MaxCenterWidth(a_MaxCenterWidth), + m_MinCenterWidth(a_MinCenterWidth), + m_MaxRoughness(a_MaxRoughness), + m_MinRoughness(a_MinRoughness), + m_MaxFloorHeightEdge(a_MaxFloorHeightEdge), + m_MinFloorHeightEdge(a_MinFloorHeightEdge), + m_MaxFloorHeightCenter(a_MaxFloorHeightCenter), + m_MinFloorHeightCenter(a_MinFloorHeightCenter), + m_MaxCeilingHeightEdge(a_MaxCeilingHeightEdge), + m_MinCeilingHeightEdge(a_MinCeilingHeightEdge), + m_MaxCeilingHeightCenter(a_MaxCeilingHeightCenter), + m_MinCeilingHeightCenter(a_MinCeilingHeightCenter) +{ + if (m_MinSize > m_MaxSize) + { + std::swap(m_MinSize, m_MaxSize); + std::swap(a_MinSize, a_MaxSize); + } + if (m_MaxSize < 16) + { + m_MaxSize = 16; + LOGWARNING("RoughRavines: MaxSize too small, adjusting request from %d to %d", a_MaxSize, m_MaxSize); + } + if (m_MinSize < 16) + { + m_MinSize = 16; + LOGWARNING("RoughRavines: MinSize too small, adjusting request from %d to %d", a_MinSize, m_MinSize); + } + if (m_MinSize == m_MaxSize) + { + m_MaxSize = m_MinSize + 1; + } +} + + + + + +cGridStructGen::cStructurePtr cRoughRavines::CreateStructure(int a_GridX, int a_GridZ, int a_OriginX, int a_OriginZ) +{ + // Pick a random value for each of the ravine's parameters: + int Size = m_MinSize + (m_Noise.IntNoise2DInt(a_GridX, a_GridZ) / 7) % (m_MaxSize - m_MinSize); // Random int from m_MinSize to m_MaxSize + float CenterWidth = m_Noise.IntNoise2DInRange(a_GridX + 10, a_GridZ, m_MinCenterWidth, m_MaxCenterWidth); + float Roughness = m_Noise.IntNoise2DInRange(a_GridX + 20, a_GridZ, m_MinRoughness, m_MaxRoughness); + float FloorHeightEdge1 = m_Noise.IntNoise2DInRange(a_GridX + 30, a_GridZ, m_MinFloorHeightEdge, m_MaxFloorHeightEdge); + float FloorHeightEdge2 = m_Noise.IntNoise2DInRange(a_GridX + 40, a_GridZ, m_MinFloorHeightEdge, m_MaxFloorHeightEdge); + float FloorHeightCenter = m_Noise.IntNoise2DInRange(a_GridX + 50, a_GridZ, m_MinFloorHeightCenter, m_MaxFloorHeightCenter); + float CeilingHeightEdge1 = m_Noise.IntNoise2DInRange(a_GridX + 60, a_GridZ, m_MinCeilingHeightEdge, m_MaxCeilingHeightEdge); + float CeilingHeightEdge2 = m_Noise.IntNoise2DInRange(a_GridX + 70, a_GridZ, m_MinCeilingHeightEdge, m_MaxCeilingHeightEdge); + float CeilingHeightCenter = m_Noise.IntNoise2DInRange(a_GridX + 80, a_GridZ, m_MinCeilingHeightCenter, m_MaxCeilingHeightCenter); + + // Create a ravine: + return cStructurePtr(new cRoughRavine( + m_Seed, + Size, CenterWidth, Roughness, + FloorHeightEdge1, FloorHeightEdge2, FloorHeightCenter, + CeilingHeightEdge1, CeilingHeightEdge2, CeilingHeightCenter, + a_GridX, a_GridZ, a_OriginX, a_OriginZ + )); +} + + + + diff --git a/src/Generating/RoughRavines.h b/src/Generating/RoughRavines.h new file mode 100644 index 000000000..4c905b641 --- /dev/null +++ b/src/Generating/RoughRavines.h @@ -0,0 +1,86 @@ + +// RoughRavines.h + +// Declares the cRoughRavines class representing the rough ravine generator + + + + +#pragma once + +#include "GridStructGen.h" + + + + + +class cRoughRavines : + public cGridStructGen +{ + typedef cGridStructGen super; + +public: + cRoughRavines( + int a_Seed, + int a_MaxSize, int a_MinSize, + float a_MaxCenterWidth, float a_MinCenterWidth, + float a_MaxRoughness, float a_MinRoughness, + float a_MaxFloorHeightEdge, float a_MinFloorHeightEdge, + float a_MaxFloorHeightCenter, float a_MinFloorHeightCenter, + float a_MaxCeilingHeightEdge, float a_MinCeilingHeightEdge, + float a_MaxCeilingHeightCenter, float a_MinCeilingHeightCenter, + int a_GridSize, int a_MaxOffset + ); + +protected: + int m_Seed; + + /** Maximum size of the ravine, in each of the X / Z axis */ + int m_MaxSize; + + /** Minimum size of the ravine */ + int m_MinSize; + + /** Maximum width of the ravine's center, in blocks */ + float m_MaxCenterWidth; + + /** Minimum width of the ravine's center, in blocks */ + float m_MinCenterWidth; + + /** Maximum roughness of the ravine */ + float m_MaxRoughness; + + /** Minimum roughness of the ravine */ + float m_MinRoughness; + + /** Maximum floor height at the ravine's edge */ + float m_MaxFloorHeightEdge; + + /** Minimum floor height at the ravine's edge */ + float m_MinFloorHeightEdge; + + /** Maximum floor height at the ravine's center */ + float m_MaxFloorHeightCenter; + + /** Minimum floor height at the ravine's center */ + float m_MinFloorHeightCenter; + + /** Maximum ceiling height at the ravine's edge */ + float m_MaxCeilingHeightEdge; + + /** Minimum ceiling height at the ravine's edge */ + float m_MinCeilingHeightEdge; + + /** Maximum ceiling height at the ravine's center */ + float m_MaxCeilingHeightCenter; + + /** Minimum ceiling height at the ravine's center */ + float m_MinCeilingHeightCenter; + + // cGridStructGen overrides: + virtual cStructurePtr CreateStructure(int a_GridX, int a_GridZ, int a_OriginX, int a_OriginZ) override; +}; + + + + diff --git a/src/Noise.h b/src/Noise.h index 48a1c73f7..4cf8d4ad8 100644 --- a/src/Noise.h +++ b/src/Noise.h @@ -5,6 +5,12 @@ #pragma once +#include <cmath> + + + + + // Some settings #define NOISE_DATATYPE float @@ -33,6 +39,12 @@ public: 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 + { + 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; |