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Diffstat (limited to 'src/Simulator/IncrementalRedstoneSimulator.cpp')
| -rw-r--r-- | src/Simulator/IncrementalRedstoneSimulator.cpp | 1534 |
1 files changed, 1534 insertions, 0 deletions
diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp new file mode 100644 index 000000000..5dba69455 --- /dev/null +++ b/src/Simulator/IncrementalRedstoneSimulator.cpp @@ -0,0 +1,1534 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "IncrementalRedstoneSimulator.h" +#include "../BlockEntities/DropSpenserEntity.h" +#include "../BlockEntities/NoteEntity.h" +#include "../BlockEntities/CommandBlockEntity.h" +#include "../Entities/TNTEntity.h" +#include "../Blocks/BlockTorch.h" +#include "../Blocks/BlockDoor.h" +#include "../Piston.h" + + + + + +cIncrementalRedstoneSimulator::cIncrementalRedstoneSimulator(cWorld & a_World) + : super(a_World) +{ +} + + + + + +cIncrementalRedstoneSimulator::~cIncrementalRedstoneSimulator() +{ +} + + + + + +void cIncrementalRedstoneSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) +{ + if ((a_Chunk == NULL) || !a_Chunk->IsValid()) + { + return; + } + else if ((a_BlockY < 0) || (a_BlockY > cChunkDef::Height)) + { + return; + } + + int RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width; + int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width; + + BLOCKTYPE Block; + NIBBLETYPE Meta; + a_Chunk->GetBlockTypeMeta(RelX, a_BlockY, RelZ, Block, Meta); + + // Every time a block is changed (AddBlock called), we want to go through all lists and check to see if the coordiantes stored within are still valid + // Checking only when a block is changed, as opposed to every tick, also improves performance + + for (PoweredBlocksList::iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) + { + if (!itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + continue; + } + + if (!IsPotentialSource(Block)) + { + LOGD("cIncrementalRedstoneSimulator: Erased block @ {%i, %i, %i} from powered blocks list as it no longer connected to a source", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z); + m_PoweredBlocks.erase(itr); + break; + } + else if ( + // Changeable sources + ((Block == E_BLOCK_REDSTONE_WIRE) && (Meta == 0)) || + ((Block == E_BLOCK_LEVER) && !IsLeverOn(Meta)) || + ((Block == E_BLOCK_DETECTOR_RAIL) && (Meta & 0x08) == 0) || + (((Block == E_BLOCK_STONE_BUTTON) || (Block == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(Meta))) || + (((Block == E_BLOCK_STONE_PRESSURE_PLATE) || (Block == E_BLOCK_WOODEN_PRESSURE_PLATE)) && (Meta == 0)) + ) + { + LOGD("cIncrementalRedstoneSimulator: Erased block @ {%i, %i, %i} from powered blocks list due to present/past metadata mismatch", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z); + m_PoweredBlocks.erase(itr); + break; + } + else if (Block == E_BLOCK_DAYLIGHT_SENSOR) + { + if (!a_Chunk->IsLightValid()) + { + m_World.QueueLightChunk(a_Chunk->GetPosX(), a_Chunk->GetPosZ()); + break; + } + else + { + NIBBLETYPE SkyLight; + a_Chunk->UnboundedRelGetBlockSkyLight(RelX, itr->a_SourcePos.y + 1, RelZ, SkyLight); + + if (a_Chunk->GetTimeAlteredLight(SkyLight) <= 8) // Could use SkyLight - m_World.GetSkyDarkness(); + { + LOGD("cIncrementalRedstoneSimulator: Erased daylight sensor from powered blocks list due to insufficient light level"); + m_PoweredBlocks.erase(itr); + break; + } + } + } + } + + for (LinkedBlocksList::iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) + { + if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + if (!IsPotentialSource(Block)) + { + LOGD("cIncrementalRedstoneSimulator: Erased block @ {%i, %i, %i} from linked powered blocks list as it is no longer connected to a source", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z); + m_LinkedPoweredBlocks.erase(itr); + break; + } + else if ( + // Things that can send power through a block but which depends on meta + ((Block == E_BLOCK_REDSTONE_WIRE) && (Meta == 0)) || + ((Block == E_BLOCK_LEVER) && !IsLeverOn(Meta)) || + (((Block == E_BLOCK_STONE_BUTTON) || (Block == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(Meta))) + ) + { + LOGD("cIncrementalRedstoneSimulator: Erased block @ {%i, %i, %i} from linked powered blocks list due to present/past metadata mismatch", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z); + m_LinkedPoweredBlocks.erase(itr); + break; + } + } + else if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + if (!IsViableMiddleBlock(Block)) + { + LOGD("cIncrementalRedstoneSimulator: Erased block @ {%i, %i, %i} from linked powered blocks list as it is no longer powered through a valid middle block", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z); + m_LinkedPoweredBlocks.erase(itr); + break; + } + } + } + + for (SimulatedPlayerToggleableList::iterator itr = m_SimulatedPlayerToggleableBlocks.begin(); itr != m_SimulatedPlayerToggleableBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + continue; + } + + if (!IsAllowedBlock(Block)) + { + LOGD("cIncrementalRedstoneSimulator: Erased block @ {%i, %i, %i} from toggleable simulated list as it is no longer redstone", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z); + m_SimulatedPlayerToggleableBlocks.erase(itr); + break; + } + } + + for (RepeatersDelayList::iterator itr = m_RepeatersDelayList.begin(); itr != m_RepeatersDelayList.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + continue; + } + + if ((Block != E_BLOCK_REDSTONE_REPEATER_ON) && (Block != E_BLOCK_REDSTONE_REPEATER_OFF)) + { + m_RepeatersDelayList.erase(itr); + break; + } + } + + cRedstoneSimulatorChunkData & ChunkData = a_Chunk->GetRedstoneSimulatorData(); + for (cRedstoneSimulatorChunkData::iterator itr = ChunkData.begin(); itr != ChunkData.end(); ++itr) + { + if ((itr->x == RelX) && (itr->y == a_BlockY) && (itr->z == RelZ)) // We are at an entry matching the current (changed) block + { + if (!IsAllowedBlock(Block)) + { + itr->DataTwo = true; // The new blocktype is not redstone; it must be queued to be removed from this list + } + else + { + itr->Data = Block; // Update block information + } + return; + } + } + + if (!IsAllowedBlock(Block)) + { + return; + } + + ChunkData.push_back(cCoordWithBlockAndBool(RelX, a_BlockY, RelZ, Block, false)); +} + + + + + +void cIncrementalRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) +{ + // We still attempt to simulate all blocks in the chunk every tick, because of outside influence that needs to be taken into account + // For example, repeaters need to be ticked, pressure plates checked for entities, daylight sensor checked for light changes, etc. + // The easiest way to make this more efficient is probably just to reduce code within the handlers that put too much strain on server, like getting or setting blocks + // A marking dirty system might be a TODO for later on, perhaps + + cRedstoneSimulatorChunkData & ChunkData = a_Chunk->GetRedstoneSimulatorData(); + if (ChunkData.empty()) + { + return; + } + + int BaseX = a_Chunk->GetPosX() * cChunkDef::Width; + int BaseZ = a_Chunk->GetPosZ() * cChunkDef::Width; + + for (cRedstoneSimulatorChunkData::iterator dataitr = ChunkData.begin(); dataitr != ChunkData.end();) + { + if (dataitr->DataTwo) + { + dataitr = ChunkData.erase(dataitr); + continue; + } + + int a_X = BaseX + dataitr->x; + int a_Z = BaseZ + dataitr->z; + switch (dataitr->Data) + { + case E_BLOCK_BLOCK_OF_REDSTONE: HandleRedstoneBlock(a_X, dataitr->y, a_Z); break; + case E_BLOCK_LEVER: HandleRedstoneLever(a_X, dataitr->y, a_Z); break; + case E_BLOCK_TNT: HandleTNT(a_X, dataitr->y, a_Z); break; + case E_BLOCK_TRAPDOOR: HandleTrapdoor(a_X, dataitr->y, a_Z); break; + case E_BLOCK_REDSTONE_WIRE: HandleRedstoneWire(a_X, dataitr->y, a_Z); break; + case E_BLOCK_NOTE_BLOCK: HandleNoteBlock(a_X, dataitr->y, a_Z); break; + case E_BLOCK_DAYLIGHT_SENSOR: HandleDaylightSensor(a_X, dataitr->y, a_Z); break; + case E_BLOCK_COMMAND_BLOCK: HandleCommandBlock(a_X, dataitr->y, a_Z); break; + + case E_BLOCK_REDSTONE_TORCH_OFF: + case E_BLOCK_REDSTONE_TORCH_ON: + { + HandleRedstoneTorch(a_X, dataitr->y, a_Z, dataitr->Data); + break; + } + case E_BLOCK_STONE_BUTTON: + case E_BLOCK_WOODEN_BUTTON: + { + HandleRedstoneButton(a_X, dataitr->y, a_Z, dataitr->Data); + break; + } + case E_BLOCK_REDSTONE_REPEATER_OFF: + case E_BLOCK_REDSTONE_REPEATER_ON: + { + HandleRedstoneRepeater(a_X, dataitr->y, a_Z, dataitr->Data); + break; + } + case E_BLOCK_PISTON: + case E_BLOCK_STICKY_PISTON: + { + HandlePiston(a_X, dataitr->y, a_Z); + break; + } + case E_BLOCK_REDSTONE_LAMP_OFF: + case E_BLOCK_REDSTONE_LAMP_ON: + { + HandleRedstoneLamp(a_X, dataitr->y, a_Z, dataitr->Data); + break; + } + case E_BLOCK_DISPENSER: + case E_BLOCK_DROPPER: + { + HandleDropSpenser(a_X, dataitr->y, a_Z); + break; + } + case E_BLOCK_WOODEN_DOOR: + case E_BLOCK_IRON_DOOR: + { + HandleDoor(a_X, dataitr->y, a_Z); + break; + } + case E_BLOCK_ACTIVATOR_RAIL: + case E_BLOCK_DETECTOR_RAIL: + case E_BLOCK_POWERED_RAIL: + { + HandleRail(a_X, dataitr->y, a_Z, dataitr->Data); + break; + } + case E_BLOCK_WOODEN_PRESSURE_PLATE: + case E_BLOCK_STONE_PRESSURE_PLATE: + { + HandlePressurePlate(a_X, dataitr->y, a_Z, dataitr->Data); + break; + } + } + ++dataitr; + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState) +{ + static const struct // Define which directions the torch can power + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0}, + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, + { 0, 1, 0}, + } ; + + if (a_MyState == E_BLOCK_REDSTONE_TORCH_ON) + { + // Check if the block the torch is on is powered + int X = a_BlockX; int Y = a_BlockY; int Z = a_BlockZ; + AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)), true); // Inverse true to get the block torch is on + + if (AreCoordsDirectlyPowered(X, Y, Z)) + { + // There was a match, torch goes off + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_OFF, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)); + return; + } + + // Torch still on, make all 4(X, Z) + 1(Y) sides powered + for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) + { + BLOCKTYPE Type = m_World.GetBlock(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z); + if (i + 1 < ARRAYCOUNT(gCrossCoords)) // Sides of torch, not top (top is last) + { + if ( + ((IsMechanism(Type)) || (Type == E_BLOCK_REDSTONE_WIRE)) && // Is it a mechanism or wire? Not block/other torch etc. + (!Vector3i(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z).Equals(Vector3i(X, Y, Z))) // CAN'T power block is that it is on + ) + { + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON); + } + } + else + { + // Top side, power whatever is there, including blocks + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON); + // Power all blocks surrounding block above torch + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, E_BLOCK_REDSTONE_TORCH_ON); + } + } + + if (m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) != 0x5) // Is torch standing on ground? If NOT (i.e. on wall), power block beneath + { + BLOCKTYPE Type = m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ); + + if ((IsMechanism(Type)) || (Type == E_BLOCK_REDSTONE_WIRE)) // Still can't make a normal block powered though! + { + SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON); + } + } + } + else + { + // Check if the block the torch is on is powered + int X = a_BlockX; int Y = a_BlockY; int Z = a_BlockZ; + AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)), true); // Inverse true to get the block torch is on + + // See if off state torch can be turned on again + if (AreCoordsDirectlyPowered(X, Y, Z)) + { + return; // Something matches, torch still powered + } + + // Block torch on not powered, can be turned on again! + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)); + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_BLOCK_OF_REDSTONE); + SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_BLOCK_OF_REDSTONE); // Set self as powered +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if (IsLeverOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ))) + { + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_LEVER); + + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_LEVER); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_LEVER); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, E_BLOCK_LEVER); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, E_BLOCK_LEVER); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_LEVER); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_LEVER); + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType) +{ + if (IsButtonOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ))) + { + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, a_BlockType); + + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, a_BlockType); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, a_BlockType); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, a_BlockType); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, a_BlockType); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, a_BlockType); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, a_BlockType); + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + static const struct // Define which directions the wire can receive power from + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0}, /* Wires on same level start */ + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, /* Wires on same level stop */ + { 1, 1, 0}, /* Wires one higher, surrounding self start */ + {-1, 1, 0}, + { 0, 1, 1}, + { 0, 1, -1}, /* Wires one higher, surrounding self stop */ + { 1,-1, 0}, /* Wires one lower, surrounding self start */ + {-1,-1, 0}, + { 0,-1, 1}, + { 0,-1, -1}, /* Wires one lower, surrounding self stop */ + } ; + + static const struct // Define which directions the wire will check for repeater prescence + { + int x, y, z; + } gSideCoords[] = + { + { 1, 0, 0 }, + {-1, 0, 0 }, + { 0, 0, 1 }, + { 0, 0,-1 }, + { 0, 1, 0 }, + }; + + // Check to see if directly beside a power source + if (IsWirePowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 15); // Maximum power + } + else + { + NIBBLETYPE MetaToSet = 0; + NIBBLETYPE MyMeta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); + int TimesMetaSmaller = 0, TimesFoundAWire = 0; + + for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through all directions to transfer or receive power + { + if ((i >= 4) && (i <= 7)) // If we are currently checking for wire surrounding ourself one block above... + { + if (g_BlockIsSolid[m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ)]) // If there is something solid above us (wire cut off)... + { + continue; // We don't receive power from that wire + } + } + else if ((i >= 8) && (i <= 11)) // See above, but this is for wire below us + { + if (g_BlockIsSolid[m_World.GetBlock(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y + 1, a_BlockZ + gCrossCoords[i].z)]) + { + continue; + } + } + + BLOCKTYPE SurroundType; + NIBBLETYPE SurroundMeta; + m_World.GetBlockTypeMeta(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, SurroundType, SurroundMeta); + + if (SurroundType == E_BLOCK_REDSTONE_WIRE) + { + TimesFoundAWire++; + + if (SurroundMeta > 1) // Wires of power 1 or 0 cannot transfer power TO ME, don't bother checking + { + // Does surrounding wire have a higher power level than self? + // >= to fix a bug where wires bordering each other with the same power level will appear (in terms of meta) to power each other, when they aren't actually in the powered list + if (SurroundMeta >= MyMeta) + { + MetaToSet = SurroundMeta - 1; // To improve performance + } + } + + if (SurroundMeta < MyMeta) // Go through all surroundings to see if self power is larger than everyone else's + { + TimesMetaSmaller++; + } + } + } + + if (TimesMetaSmaller == TimesFoundAWire) + { + // All surrounding metas were smaller - self must have been a wire that was + // transferring power to other wires around. + // However, self not directly powered anymore, so source must have been removed, + // therefore, self must be set to meta zero + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE, 0); // SetMeta & WakeUpSims doesn't seem to work here, so SetBlock + return; // No need to process block power sets because self not powered + } + else + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, MetaToSet); + } + } + + if (m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) != 0) // A powered wire + { + for (size_t i = 0; i < ARRAYCOUNT(gSideCoords); i++) // Look for repeaters immediately surrounding self and try to power them + { + if (m_World.GetBlock(a_BlockX + gSideCoords[i].x, a_BlockY + gSideCoords[i].y, a_BlockZ + gSideCoords[i].z) == E_BLOCK_REDSTONE_REPEATER_OFF) + { + SetBlockPowered(a_BlockX + gSideCoords[i].x, a_BlockY + gSideCoords[i].y, a_BlockZ + gSideCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + } + } + + // Wire still powered, power blocks beneath + SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, E_BLOCK_REDSTONE_WIRE); + + switch (GetWireDirection(a_BlockX, a_BlockY, a_BlockZ)) + { + case REDSTONE_NONE: + { + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_REDSTONE_WIRE); + break; + } + case REDSTONE_X_POS: + { + SetBlockPowered(a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_REDSTONE_WIRE); + break; + } + case REDSTONE_X_NEG: + { + SetBlockPowered(a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_REDSTONE_WIRE); + break; + } + case REDSTONE_Z_POS: + { + SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_REDSTONE_WIRE); + break; + } + case REDSTONE_Z_NEG: + { + SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_REDSTONE_WIRE); + break; + } + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneRepeater(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState) +{ + NIBBLETYPE a_Meta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); + + bool IsOn = ((a_MyState == E_BLOCK_REDSTONE_REPEATER_ON) ? true : false); // Cache if repeater is on + bool IsSelfPowered = IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta & 0x3); // Cache if repeater is pwoered + + if (IsSelfPowered && !IsOn) // Queue a power change if I am receiving power but not on + { + QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, 0, true); + } + else if (!IsSelfPowered && IsOn) // Queue a power change if I am not receiving power but on + { + QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, 0, false); + } + + for (RepeatersDelayList::iterator itr = m_RepeatersDelayList.begin(); itr != m_RepeatersDelayList.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + continue; + } + + if (itr->a_ElapsedTicks >= itr->a_DelayTicks) // Has the elapsed ticks reached the target ticks? + { + if (itr->ShouldPowerOn) + { + if (!IsOn) + { + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON, a_Meta); // For performance + } + + switch (a_Meta & 0x3) // We only want the direction (bottom) bits + { + case 0x0: + { + SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_REDSTONE_REPEATER_ON); + break; + } + case 0x1: + { + SetBlockPowered(a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_REDSTONE_REPEATER_ON); + break; + } + case 0x2: + { + SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_REDSTONE_REPEATER_ON); + break; + } + case 0x3: + { + SetBlockPowered(a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON); + SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_REDSTONE_REPEATER_ON); + break; + } + } + + // Removal of the data entry will be handled in SimChunk - we still want to continue trying to power blocks, even if our delay time has reached + // Otherwise, the power state of blocks in front won't update after we have powered on + return; + } + else + { + if (IsOn) + { + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_OFF, a_Meta); + } + m_RepeatersDelayList.erase(itr); // We can remove off repeaters which don't need further updating + return; + } + } + else + { + // Apparently, incrementing ticks only works reliably here, and not in SimChunk; + // With a world with lots of redstone, the repeaters simply do not delay + // I am confounded to say why. Perhaps optimisation failure. + LOGD("Incremented a repeater @ {%i %i %i} | Elapsed ticks: %i | Target delay: %i", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z, itr->a_ElapsedTicks, itr->a_DelayTicks); + itr->a_ElapsedTicks++; + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandlePiston(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + cPiston Piston(&m_World); + if (IsPistonPowered(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x7)) // We only want the bottom three bits (4th controls extended-ness) + { + Piston.ExtendPiston(a_BlockX, a_BlockY, a_BlockZ); + } + else + { + Piston.RetractPiston(a_BlockX, a_BlockY, a_BlockZ); + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleDropSpenser(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + class cSetPowerToDropSpenser : + public cDropSpenserCallback + { + bool m_IsPowered; + public: + cSetPowerToDropSpenser(bool a_IsPowered) : m_IsPowered(a_IsPowered) {} + + virtual bool Item(cDropSpenserEntity * a_DropSpenser) override + { + a_DropSpenser->SetRedstonePower(m_IsPowered); + return false; + } + } DrSpSP (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)); + + m_World.DoWithDropSpenserAt(a_BlockX, a_BlockY, a_BlockZ, DrSpSP); +} + + + + + +void cIncrementalRedstoneSimulator::HandleRedstoneLamp(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState) +{ + if (a_MyState == E_BLOCK_REDSTONE_LAMP_OFF) + { + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_LAMP_ON, 0); + } + } + else + { + if (!AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_LAMP_OFF, 0); + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleTNT(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.BroadcastSoundEffect("random.fuse", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 0.5f, 0.6f); + m_World.SpawnPrimedTNT(a_BlockX + 0.5, a_BlockY + 0.5, a_BlockZ + 0.5, 4); // 4 seconds to boom + m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0); + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleDoor(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true)) + { + cChunkInterface ChunkInterface(m_World.GetChunkMap()); + cBlockDoorHandler::ChangeDoor(ChunkInterface, a_BlockX, a_BlockY, a_BlockZ); + SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true); + } + } + else + { + if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false)) + { + cChunkInterface ChunkInterface(m_World.GetChunkMap()); + cBlockDoorHandler::ChangeDoor(ChunkInterface, a_BlockX, a_BlockY, a_BlockZ); + SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false); + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleCommandBlock(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + class cSetPowerToCommandBlock : + public cCommandBlockCallback + { + bool m_IsPowered; + public: + cSetPowerToCommandBlock(bool a_IsPowered) : m_IsPowered(a_IsPowered) {} + + virtual bool Item(cCommandBlockEntity * a_CommandBlock) override + { + a_CommandBlock->SetRedstonePower(m_IsPowered); + return false; + } + } CmdBlockSP (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)); + + m_World.DoWithCommandBlockAt(a_BlockX, a_BlockY, a_BlockZ, CmdBlockSP); +} + + + + + +void cIncrementalRedstoneSimulator::HandleRail(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType) +{ + switch (a_MyType) + { + case E_BLOCK_DETECTOR_RAIL: + { + if ((m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x08) == 0x08) + { + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, a_MyType); + } + break; + } + case E_BLOCK_ACTIVATOR_RAIL: + case E_BLOCK_POWERED_RAIL: + { + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) | 0x08); + } + else + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x07); + } + break; + } + default: LOGD("Unhandled type of rail in %s", __FUNCTION__); + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleTrapdoor(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true)) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) | 0x4); + SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true); + } + } + else + { + if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false)) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0xB); // Take into account that the fourth bit is needed for trapdoors too + SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false); + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleNoteBlock(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + bool m_bAreCoordsPowered = AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ); + + if (m_bAreCoordsPowered) + { + if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true)) + { + class cSetPowerToNoteBlock : + public cNoteBlockCallback + { + bool m_IsPowered; + public: + cSetPowerToNoteBlock(bool a_IsPowered) : m_IsPowered(a_IsPowered) {} + + virtual bool Item(cNoteEntity * a_NoteBlock) override + { + if (m_IsPowered) + { + a_NoteBlock->MakeSound(); + } + return false; + } + } NoteBlockSP(m_bAreCoordsPowered); + + m_World.DoWithNoteBlockAt(a_BlockX, a_BlockY, a_BlockZ, NoteBlockSP); + SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true); + } + } + else + { + if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false)) + { + SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false); + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandleDaylightSensor(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + int a_ChunkX, a_ChunkZ; + cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, a_ChunkX, a_ChunkZ); + + if (!m_World.IsChunkLighted(a_ChunkX, a_ChunkZ)) + { + m_World.QueueLightChunk(a_ChunkX, a_ChunkZ); + } + else + { + NIBBLETYPE SkyLight = m_World.GetBlockSkyLight(a_BlockX, a_BlockY + 1, a_BlockZ) - m_World.GetSkyDarkness(); + if (SkyLight > 8) + { + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_DAYLIGHT_SENSOR); + } + } +} + + + + + +void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType) +{ + switch (a_MyType) + { + case E_BLOCK_STONE_PRESSURE_PLATE: + { + // MCS feature - stone pressure plates can only be triggered by players :D + cPlayer * a_Player = m_World.FindClosestPlayer(Vector3f(a_BlockX + 0.5f, (float)a_BlockY, a_BlockZ + 0.5f), 0.5f, false); + + if (a_Player != NULL) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x1); + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_STONE_PRESSURE_PLATE); + } + else + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x0); + m_World.WakeUpSimulators(a_BlockX, a_BlockY, a_BlockZ); + } + break; + } + case E_BLOCK_WOODEN_PRESSURE_PLATE: + { + class cWoodenPressurePlateCallback : + public cEntityCallback + { + public: + cWoodenPressurePlateCallback(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) : + m_Entity(NULL), + m_World(a_World), + m_X(a_BlockX), + m_Y(a_BlockY), + m_Z(a_BlockZ) + { + } + + virtual bool Item(cEntity * a_Entity) override + { + Vector3f EntityPos = a_Entity->GetPosition(); + Vector3f BlockPos(m_X + 0.5f, (float)m_Y, m_Z + 0.5f); + float Distance = (EntityPos - BlockPos).Length(); + + if (Distance < 0.5) + { + m_Entity = a_Entity; + return true; // Break out, we only need to know for wooden plates that at least one entity is on top + } + return false; + } + + bool FoundEntity(void) const + { + return m_Entity != NULL; + } + + protected: + cEntity * m_Entity; + cWorld * m_World; + + int m_X; + int m_Y; + int m_Z; + } ; + + cWoodenPressurePlateCallback WoodenPressurePlateCallback(a_BlockX, a_BlockY, a_BlockZ, &m_World); + m_World.ForEachEntity(WoodenPressurePlateCallback); + + if (WoodenPressurePlateCallback.FoundEntity()) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x1); + SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_WOODEN_PRESSURE_PLATE); + } + else + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x0); + m_World.WakeUpSimulators(a_BlockX, a_BlockY, a_BlockZ); + } + break; + } + default: + LOGD("Unimplemented pressure plate type %s in cRedstoneSimulator", ItemToFullString(a_MyType).c_str()); + break; + } +} + + + + + +bool cIncrementalRedstoneSimulator::AreCoordsDirectlyPowered(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) // Check powered list + { + if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + return true; + } + } + return false; +} + + + + + +bool cIncrementalRedstoneSimulator::AreCoordsLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) // Check linked powered list + { + if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + return true; + } + } + return false; +} + + + + + +bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta) +{ + // Repeaters cannot be powered by any face except their back; verify that this is true for a source + + for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } + + switch (a_Meta) + { + case 0x0: + { + // Flip the coords to check the back of the repeater + if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; } + break; + } + case 0x1: + { + if (itr->a_SourcePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + case 0x2: + { + if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; } + break; + } + case 0x3: + { + if (itr->a_SourcePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + } + } + + for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } + + switch (a_Meta) + { + case 0x0: + { + if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; } + break; + } + case 0x1: + { + if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + case 0x2: + { + if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; } + break; + } + case 0x3: + { + if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + } + } + return false; // Couldn't find power source behind repeater +} + + + + +bool cIncrementalRedstoneSimulator::IsPistonPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta) +{ + // Pistons cannot be powered through their front face; this function verifies that a source meets this requirement + + int OldX = a_BlockX, OldY = a_BlockY, OldZ = a_BlockZ; + eBlockFace Face = cPiston::MetaDataToDirection(a_Meta); + + for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } + + AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, Face); + + if (!itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + return true; + } + + a_BlockX = OldX; + a_BlockY = OldY; + a_BlockZ = OldZ; + } + + for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } + + AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, Face); + + if (!itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + return true; + } + + a_BlockX = OldX; + a_BlockY = OldY; + a_BlockZ = OldZ; + } + return false; // Source was in front of the piston's front face +} + + + + +bool cIncrementalRedstoneSimulator::IsWirePowered(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } + + if (m_World.GetBlock(itr->a_SourcePos) != E_BLOCK_REDSTONE_WIRE) + { + return true; + } + } + + for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } + + if (m_World.GetBlock(itr->a_SourcePos) != E_BLOCK_REDSTONE_WIRE) + { + return true; + } + } + return false; // Source was in front of the piston's front face +} + + + + + +bool cIncrementalRedstoneSimulator::AreCoordsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool IsCurrentStatePowered) +{ + for (SimulatedPlayerToggleableList::const_iterator itr = m_SimulatedPlayerToggleableBlocks.begin(); itr != m_SimulatedPlayerToggleableBlocks.end(); ++itr) + { + if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + if (itr->WasLastStatePowered != IsCurrentStatePowered) // Was the last power state different to the current? + { + return false; // It was, coordinates are no longer simulated + } + else + { + return true; // It wasn't, don't resimulate block, and allow players to toggle + } + } + } + return false; // Block wasn't even in the list, not simulated +} + + + + + +void cIncrementalRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Direction, BLOCKTYPE a_SourceType) +{ + switch (a_Direction) + { + case BLOCK_FACE_XM: + { + BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ); + + SetBlockLinkedPowered(a_BlockX - 2, a_BlockY, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY + 1, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY - 1, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ + 1, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ - 1, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + + break; + } + case BLOCK_FACE_XP: + { + BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ); + + SetBlockLinkedPowered(a_BlockX + 2, a_BlockY, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY + 1, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY - 1, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ + 1, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ - 1, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + + break; + } + case BLOCK_FACE_YM: + { + BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ); + + SetBlockLinkedPowered(a_BlockX, a_BlockY - 2, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ + 1, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ - 1, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + + break; + } + case BLOCK_FACE_YP: + { + BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ); + + SetBlockLinkedPowered(a_BlockX, a_BlockY + 2, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ + 1, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ - 1, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + + break; + } + case BLOCK_FACE_ZM: + { + BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1); + + SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ - 2, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + + break; + } + case BLOCK_FACE_ZP: + { + BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1); + + SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ + 2, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock); + + break; + } + default: + { + ASSERT(!"Unhandled face direction when attempting to set blocks as linked powered!"); // Zombies, that wasn't supposed to happen... + break; + } + } +} + + + + + +void cIncrementalRedstoneSimulator::SetAllDirsAsPowered(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_SourceBlock) +{ + static const struct + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0 }, + {-1, 0, 0 }, + { 0, 0, 1 }, + { 0, 0,-1 }, + { 0, 1, 0 }, + { 0,-1, 0 } + }; + + for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through struct to power all directions + { + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, a_SourceBlock); + } +} + + + + + +void cIncrementalRedstoneSimulator::SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock) +{ + BLOCKTYPE Block = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ); + if (Block == E_BLOCK_AIR) + { + // Don't set air, fixes some bugs (wires powering themselves) + return; + } + + for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) // Check powered list + { + if ( + itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)) && + itr->a_SourcePos.Equals(Vector3i(a_SourceX, a_SourceY, a_SourceZ)) + ) + { + // Check for duplicates + return; + } + } + + sPoweredBlocks RC; + RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ); + RC.a_SourcePos = Vector3i(a_SourceX, a_SourceY, a_SourceZ); + m_PoweredBlocks.push_back(RC); +} + + + + + +void cIncrementalRedstoneSimulator::SetBlockLinkedPowered( + int a_BlockX, int a_BlockY, int a_BlockZ, + int a_MiddleX, int a_MiddleY, int a_MiddleZ, + int a_SourceX, int a_SourceY, int a_SourceZ, + BLOCKTYPE a_SourceBlock, BLOCKTYPE a_MiddleBlock +) +{ + BLOCKTYPE DestBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ); + if (DestBlock == E_BLOCK_AIR) + { + // Don't set air, fixes some bugs (wires powering themselves) + return; + } + if (!IsViableMiddleBlock(a_MiddleBlock)) + { + return; + } + + for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) // Check linked powered list + { + if ( + itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)) && + itr->a_MiddlePos.Equals(Vector3i(a_MiddleX, a_MiddleY, a_MiddleZ)) && + itr->a_SourcePos.Equals(Vector3i(a_SourceX, a_SourceY, a_SourceZ)) + ) + { + // Check for duplicates + return; + } + } + + sLinkedPoweredBlocks RC; + RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ); + RC.a_MiddlePos = Vector3i(a_MiddleX, a_MiddleY, a_MiddleZ); + RC.a_SourcePos = Vector3i(a_SourceX, a_SourceY, a_SourceZ); + m_LinkedPoweredBlocks.push_back(RC); +} + + + + + +void cIncrementalRedstoneSimulator::SetPlayerToggleableBlockAsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool WasLastStatePowered) +{ + for (SimulatedPlayerToggleableList::iterator itr = m_SimulatedPlayerToggleableBlocks.begin(); itr != m_SimulatedPlayerToggleableBlocks.end(); ++itr) + { + if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + continue; + } + + if (itr->WasLastStatePowered != WasLastStatePowered) + { + // If power states different, update listing + itr->WasLastStatePowered = WasLastStatePowered; + return; + } + else + { + // If states the same, just ignore + return; + } + } + + // We have arrive here; no block must be in list - add one + sSimulatedPlayerToggleableList RC; + RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ); + RC.WasLastStatePowered = WasLastStatePowered; + m_SimulatedPlayerToggleableBlocks.push_back(RC); +} + + + + + +void cIncrementalRedstoneSimulator::QueueRepeaterPowerChange(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta, short a_ElapsedTicks, bool ShouldPowerOn) +{ + for (RepeatersDelayList::iterator itr = m_RepeatersDelayList.begin(); itr != m_RepeatersDelayList.end(); ++itr) + { + if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + if (ShouldPowerOn == itr->ShouldPowerOn) // We are queued already for the same thing, don't replace entry + { + return; + } + + // Already in here (normal to allow repeater to continue on powering and updating blocks in front) - just update info and quit + itr->a_DelayTicks = (((a_Meta & 0xC) >> 0x2) + (ShouldPowerOn ? 1 : 0)) * 2; // See below for description + itr->a_ElapsedTicks = 0; + itr->ShouldPowerOn = ShouldPowerOn; + return; + } + } + + // Self not in list, add self to list + sRepeatersDelayList RC; + RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ); + + // Gets the top two bits (delay time), shifts them into the lower two bits, and adds one (meta 0 = 1 tick; 1 = 2 etc.) + // * 2 because apparently, MCS ticks are way faster than vanilla ticks, so repeater aren't noticeably delayed + // We don't +1 when powering off because everything seems to already delay a tick when powering off, why? No idea :P + RC.a_DelayTicks = (((a_Meta & 0xC) >> 0x2) + (ShouldPowerOn ? 1 : 0)) * 2; + + + RC.a_ElapsedTicks = 0; + RC.ShouldPowerOn = ShouldPowerOn; + m_RepeatersDelayList.push_back(RC); + return; +} + + + + + +cIncrementalRedstoneSimulator::eRedstoneDirection cIncrementalRedstoneSimulator::GetWireDirection(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + int Dir = REDSTONE_NONE; + + BLOCKTYPE NegX = m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ); + if (IsPotentialSource(NegX)) + { + Dir |= (REDSTONE_X_POS); + } + + BLOCKTYPE PosX = m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ); + if (IsPotentialSource(PosX)) + { + Dir |= (REDSTONE_X_NEG); + } + + BLOCKTYPE NegZ = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1); + if (IsPotentialSource(NegZ)) + { + if ((Dir & REDSTONE_X_POS) && !(Dir & REDSTONE_X_NEG)) // corner + { + Dir ^= REDSTONE_X_POS; + Dir |= REDSTONE_X_NEG; + } + if ((Dir & REDSTONE_X_NEG) && !(Dir & REDSTONE_X_POS)) // corner + { + Dir ^= REDSTONE_X_NEG; + Dir |= REDSTONE_X_POS; + } + Dir |= REDSTONE_Z_POS; + } + + BLOCKTYPE PosZ = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1); + if (IsPotentialSource(PosZ)) + { + if ((Dir & REDSTONE_X_POS) && !(Dir & REDSTONE_X_NEG)) // corner + { + Dir ^= REDSTONE_X_POS; + Dir |= REDSTONE_X_NEG; + } + if ((Dir & REDSTONE_X_NEG) && !(Dir & REDSTONE_X_POS)) // corner + { + Dir ^= REDSTONE_X_NEG; + Dir |= REDSTONE_X_POS; + } + Dir |= REDSTONE_Z_NEG; + } + return (eRedstoneDirection)Dir; +} + + + + + +bool cIncrementalRedstoneSimulator::IsLeverOn(NIBBLETYPE a_BlockMeta) +{ + // Extract the ON bit from metadata and return if true if it is set: + return ((a_BlockMeta & 0x8) == 0x8); +} + + + + + +bool cIncrementalRedstoneSimulator::IsButtonOn(NIBBLETYPE a_BlockMeta) +{ + return IsLeverOn(a_BlockMeta); +} + + + + |