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Diffstat (limited to 'src/Simulator/RedstoneSimulator.cpp')
| -rw-r--r-- | src/Simulator/RedstoneSimulator.cpp | 1073 |
1 files changed, 1073 insertions, 0 deletions
diff --git a/src/Simulator/RedstoneSimulator.cpp b/src/Simulator/RedstoneSimulator.cpp new file mode 100644 index 000000000..906961490 --- /dev/null +++ b/src/Simulator/RedstoneSimulator.cpp @@ -0,0 +1,1073 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "RedstoneSimulator.h" +#include "../BlockEntities/DropSpenserEntity.h" +#include "../Entities/TNTEntity.h" +#include "../Blocks/BlockTorch.h" +#include "../Blocks/BlockDoor.h" +#include "../Piston.h" + + + + + +cRedstoneSimulator::cRedstoneSimulator(cWorld & a_World) + : super(a_World) +{ +} + + + + + +cRedstoneSimulator::~cRedstoneSimulator() +{ +} + + + + + +void cRedstoneSimulator::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; + + if (!IsAllowedBlock(a_Chunk->GetBlock(RelX, a_BlockY, RelZ))) + { + return; + } + + // Check for duplicates: + 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)) + { + return; + } + } + + ChunkData.push_back(cCoordWithInt(RelX, a_BlockY, RelZ)); +} + + + + + +void cRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) +{ + 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(), end = ChunkData.end(); dataitr != end;) + { + BLOCKTYPE BlockType = a_Chunk->GetBlock(dataitr->x, dataitr->y, dataitr->z); + if (!IsAllowedBlock(BlockType)) + { + dataitr = ChunkData.erase(dataitr); + continue; + } + + // Check to see if PoweredBlocks have invalid items (source is air or an unpowered source) + for (PoweredBlocksList::iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end();) + { + sPoweredBlocks & Change = *itr; + BLOCKTYPE SourceBlockType = m_World.GetBlock(Change.a_SourcePos); + + if (SourceBlockType != Change.a_SourceBlock) + { + itr = m_PoweredBlocks.erase(itr); + } + else if ( + // Changeable sources + ((SourceBlockType == E_BLOCK_REDSTONE_WIRE) && (m_World.GetBlockMeta(Change.a_SourcePos) == 0)) || + ((SourceBlockType == E_BLOCK_LEVER) && !IsLeverOn(m_World.GetBlockMeta(Change.a_SourcePos))) || + ((SourceBlockType == E_BLOCK_DETECTOR_RAIL) && (m_World.GetBlockMeta(Change.a_SourcePos) & 0x08) == 0x08) || + (((SourceBlockType == E_BLOCK_STONE_BUTTON) || (SourceBlockType == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(m_World.GetBlockMeta(Change.a_SourcePos)))) + ) + { + itr = m_PoweredBlocks.erase(itr); + } + else + { + itr++; + } + } + + // Check to see if LinkedPoweredBlocks have invalid items: source, block powered through, or power destination block has changed + for (LinkedBlocksList::iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end();) + { + sLinkedPoweredBlocks & Change = *itr; + BLOCKTYPE SourceBlockType = m_World.GetBlock(Change.a_SourcePos); + BLOCKTYPE MiddleBlockType = m_World.GetBlock(Change.a_MiddlePos); + + if (SourceBlockType != Change.a_SourceBlock) + { + itr = m_LinkedPoweredBlocks.erase(itr); + } + else if (MiddleBlockType != Change.a_MiddleBlock) + { + itr = m_LinkedPoweredBlocks.erase(itr); + } + else if ( + // Things that can send power through a block but which depends on meta + ((SourceBlockType == E_BLOCK_REDSTONE_WIRE) && (m_World.GetBlockMeta(Change.a_SourcePos) == 0)) || + ((SourceBlockType == E_BLOCK_LEVER) && !IsLeverOn(m_World.GetBlockMeta(Change.a_SourcePos))) || + (((SourceBlockType == E_BLOCK_STONE_BUTTON) || (SourceBlockType == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(m_World.GetBlockMeta(Change.a_SourcePos)))) + ) + { + itr = m_LinkedPoweredBlocks.erase(itr); + } + else + { + itr++; + } + } + + // PoweredBlock list was fine, now to the actual handling + int a_X = BaseX + dataitr->x; + int a_Z = BaseZ + dataitr->z; + switch (BlockType) + { + 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_REDSTONE_WIRE: HandleRedstoneWire(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, BlockType); + break; + } + case E_BLOCK_STONE_BUTTON: + case E_BLOCK_WOODEN_BUTTON: + { + HandleRedstoneButton(a_X, dataitr->y, a_Z, BlockType); + break; + } + case E_BLOCK_REDSTONE_REPEATER_OFF: + case E_BLOCK_REDSTONE_REPEATER_ON: + { + HandleRedstoneRepeater(a_X, dataitr->y, a_Z, BlockType); + 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, BlockType); + 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, BlockType); + break; + } + } + + ++dataitr; + } +} + + + + + +void cRedstoneSimulator::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 (AreCoordsPowered(X, Y, Z)) + { + // There was a match, torch goes off + // FastSetBlock so the server doesn't fail an assert -_- + m_World.FastSetBlock(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 (int 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 < ARRAYCOUNT(gCrossCoords) - 1) // 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); + } + } + + 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 (AreCoordsPowered(X, Y, Z)) + { + return; // Something matches, torch still powered + } + + // Block torch on not powered, can be turned on again! + // FastSetBlock so the server doesn't fail an assert -_- + m_World.FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)); + } + return; +} + + + + + +void cRedstoneSimulator::HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + static const struct // Define which directions the redstone block can power + { + int x, y, z; + } gCrossCoords[] = + { + { 0, 0, 0}, // Oh, anomalous redstone. Only block that powers itself + { 1, 0, 0}, + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, + { 0, 1, 0}, + { 0,-1, 0}, + } ; + + for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++) + { + // Power everything + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_BLOCK_OF_REDSTONE); + } + return; +} + + + + + +void cRedstoneSimulator::HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if (IsLeverOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ))) + { + static const struct // Define which directions the redstone lever can power (all sides) + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0}, + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, + { 0, 1, 0}, + { 0,-1, 0}, + } ; + + for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++) + { + // Power everything + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, 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); + } + return; +} + + + + + +void cRedstoneSimulator::HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType) +{ + if (IsButtonOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ))) + { + static const struct // Define which directions the redstone button can power (all sides) + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0}, + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, + { 0, 1, 0}, + { 0,-1, 0}, + } ; + + for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++) + { + // Power everything + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, 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 cRedstoneSimulator::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}, + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, + { 1, 1, 0}, // From here to end, check for wire placed on sides of blocks + {-1, 1, 0}, + { 0, 1, 1}, + { 0, 1, -1}, + { 1,-1, 0}, + {-1,-1, 0}, + { 0,-1, 1}, + { 0,-1, -1}, + } ; + + // Check to see if directly beside a power source + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 15); // Maximum power + } + else + { + NIBBLETYPE MyMeta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); + int TimesMetaSmaller = 0, TimesFoundAWire = 0; + + for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through all directions to transfer or receive power + { + 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 + { + if (SurroundMeta > MyMeta) // Does surrounding wire have a higher power level than self? + { + m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, SurroundMeta - 1); + } + } + + 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.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0); + } + } + + if (m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) != 0) // A powered wire + { + //SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); // No matter what, block underneath gets powered + + switch (GetWireDirection(a_BlockX, a_BlockY, a_BlockZ)) + { + case REDSTONE_NONE: + { + static const struct // Define which directions the redstone wire can power + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0}, // Power block in front + { 2, 0, 0}, // Power block in front of that (strongly power) + {-1, 0, 0}, + {-2, 0, 0}, + { 0, 0, 1}, + { 0, 0, 2}, + { 0, 0, -1}, + { 0, 0, -2}, + { 0, 1, 0}, + { 0, 2, 0}, + { 0,-1, 0}, + { 0,-2, 0}, + } ; + + for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++) + { + // Power if block is solid, CURRENTLY all mechanisms are solid + if (g_BlockIsSolid[m_World.GetBlock(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z)]) + { + 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_WIRE); + } + } + break; + } + case REDSTONE_X_POS: + { + if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ) != E_BLOCK_REDSTONE_WIRE) + { + 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: + { + if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ) != E_BLOCK_REDSTONE_WIRE) + { + 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: + { + if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE) + { + 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: + { + if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE) + { + 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; + } + } + } + return; +} + + + + + +void cRedstoneSimulator::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); + if (a_MyState == E_BLOCK_REDSTONE_REPEATER_OFF) + { + if (IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta & 0x3)) + { + m_World.FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON, a_Meta); + 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; + } + } + } + } + else + { + if (!IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta & 0x3)) + { + m_World.FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_OFF, a_Meta); + } + } + return; +} + + + + + +void cRedstoneSimulator::HandlePiston(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + cPiston Piston(&m_World); + Piston.ExtendPiston(a_BlockX, a_BlockY, a_BlockZ); + } + else + { + cPiston Piston(&m_World); + Piston.RetractPiston(a_BlockX, a_BlockY, a_BlockZ); + } + return; +} + + + + + +void cRedstoneSimulator::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); + return; +} + + + + + +void cRedstoneSimulator::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.FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_LAMP_ON, 0); + } + } + else + { + if (!AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) + { + m_World.FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_LAMP_OFF, 0); + } + } + return; +} + + + + + +void cRedstoneSimulator::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.FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0); + } + return; +} + + + + + +void cRedstoneSimulator::HandleDoor(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + if ((m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x08) == 0x08) + { + // Block position is located at top half of door + // Is Y - 1 both within world boundaries, a door block, and the bottom half of a door? + // The bottom half stores the open/closed information + if ( + (a_BlockY - 1 >= 0) && + ((m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_WOODEN_DOOR) || (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_IRON_DOOR)) && + (m_World.GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ & 0x08) == 0) + ) + { + if ((m_World.GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ) & 0x04) == 0) // Closed door? + { + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) // Powered? If so, toggle open + { + cBlockDoorHandler::ChangeDoor(&m_World, a_BlockX, a_BlockY, a_BlockZ); + } + } + else // Opened door + { + if (!AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) // Unpowered? Close if so + { + cBlockDoorHandler::ChangeDoor(&m_World, a_BlockX, a_BlockY, a_BlockZ); + } + } + } + } + else + { + if ((m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x04) == 0) // Closed door? + { + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) // Powered? If so, toggle open + { + cBlockDoorHandler::ChangeDoor(&m_World, a_BlockX, a_BlockY, a_BlockZ); + } + } + else // Opened door + { + if (!AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) // Unpowered? Close if so + { + cBlockDoorHandler::ChangeDoor(&m_World, a_BlockX, a_BlockY, a_BlockZ); + } + } + } + return; +} + + + + + +void cRedstoneSimulator::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) + { + static const struct // Define which directions the rail can power (all sides) + { + int x, y, z; + } gCrossCoords[] = + { + { 1, 0, 0}, + {-1, 0, 0}, + { 0, 0, 1}, + { 0, 0, -1}, + { 0, 1, 0}, + { 0,-1, 0}, + } ; + + for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++) + { + // Power everything + SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, 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; + } + } +} + + + + + +bool cRedstoneSimulator::AreCoordsPowered(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + for (PoweredBlocksList::iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) // Check powered list + { + sPoweredBlocks & Change = *itr; + + if (Change.a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + return true; + } + } + + for (LinkedBlocksList::iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) // Check linked powered list + { + sLinkedPoweredBlocks & Change = *itr; + + if (Change.a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) + { + return true; + } + } + return false; +} + + + + + +bool cRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta) +{ + // Check through powered blocks list + for (PoweredBlocksList::iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) + { + sPoweredBlocks & Change = *itr; + + switch (a_Meta) + { + case 0x0: + { + // Flip the coords to check the back of the repeater + if (Change.a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; } + break; + } + case 0x1: + { + if (Change.a_SourcePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + case 0x2: + { + if (Change.a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; } + break; + } + case 0x3: + { + if (Change.a_SourcePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + } + } + + // Check linked powered list, 'middle' blocks + for (LinkedBlocksList::iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) + { + sLinkedPoweredBlocks & Change = *itr; + + switch (a_Meta) + { + case 0x0: + { + if (Change.a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; } + break; + } + case 0x1: + { + if (Change.a_MiddlePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + case 0x2: + { + if (Change.a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; } + break; + } + case 0x3: + { + if (Change.a_MiddlePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; } + break; + } + } + } + return false; // Couldn't find power source behind repeater +} + + + + + +void cRedstoneSimulator::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); + if (!g_BlockIsSolid[MiddleBlock]) { return; } + + 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); + if (!g_BlockIsSolid[MiddleBlock]) { return; } + + 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); + if (!g_BlockIsSolid[MiddleBlock]) { return; } + + 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); + if (!g_BlockIsSolid[MiddleBlock]) { return; } + + 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); + if (!g_BlockIsSolid[MiddleBlock]) { return; } + + 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); + if (!g_BlockIsSolid[MiddleBlock]) { return; } + + 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!"); + break; + } + } + return; +} + + + + + +void cRedstoneSimulator::SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock) +{ + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) { return; } // Check for duplicates + + sPoweredBlocks RC; + RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ); + RC.a_SourcePos = Vector3i(a_SourceX, a_SourceY, a_SourceZ); + RC.a_SourceBlock = a_SourceBlock; + m_PoweredBlocks.push_back(RC); + return; +} + + + + + +void cRedstoneSimulator::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 + ) +{ + if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) { return; } // Check for duplicates + + 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); + RC.a_SourceBlock = a_SourceBlock; + RC.a_MiddleBlock = a_MiddleBlock; + m_LinkedPoweredBlocks.push_back(RC); + return; +} + + + + + +cRedstoneSimulator::eRedstoneDirection cRedstoneSimulator::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 cRedstoneSimulator::IsLeverOn(NIBBLETYPE a_BlockMeta) +{ + // Extract the ON bit from metadata and return if true if it is set: + return ((a_BlockMeta & 0x8) == 0x8); +} + + + + + +bool cRedstoneSimulator::IsButtonOn(NIBBLETYPE a_BlockMeta) +{ + return IsLeverOn(a_BlockMeta); +} + + + + |