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-rw-r--r--src/Simulator/IncrementalRedstoneSimulator.cpp1534
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);
+}
+
+
+
+