15 files changed, 2381 insertions, 1790 deletions

diff --git a/src/Simulator/DelayedFluidSimulator.cpp b/src/Simulator/DelayedFluidSimulator.cpp
index 3d2170e44..bc5158d95 100644
--- a/src/Simulator/DelayedFluidSimulator.cpp
+++ b/src/Simulator/DelayedFluidSimulator.cpp
@@ -20,7 +20,7 @@
 bool cDelayedFluidSimulatorChunkData::cSlot::Add(int a_RelX, int a_RelY, int a_RelZ)
 {
 	ASSERT(a_RelZ >= 0);
-	ASSERT(a_RelZ < ARRAYCOUNT(m_Blocks));
+	ASSERT(a_RelZ < static_cast<int>(ARRAYCOUNT(m_Blocks)));
 	
 	cCoordWithIntVector & Blocks = m_Blocks[a_RelZ];
 	int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
diff --git a/src/Simulator/FireSimulator.cpp b/src/Simulator/FireSimulator.cpp
index d7c5ab3b4..470dfc791 100644
--- a/src/Simulator/FireSimulator.cpp
+++ b/src/Simulator/FireSimulator.cpp
@@ -6,6 +6,8 @@
 #include "../BlockID.h"
 #include "../Defines.h"
 #include "../Chunk.h"
+#include "Root.h"
+#include "../Bindings/PluginManager.h"
 
 
 
@@ -162,13 +164,27 @@ bool cFireSimulator::IsFuel(BLOCKTYPE a_BlockType)
 	switch (a_BlockType)
 	{
 		case E_BLOCK_PLANKS:
+		case E_BLOCK_DOUBLE_WOODEN_SLAB:
+		case E_BLOCK_WOODEN_SLAB:
+		case E_BLOCK_WOODEN_STAIRS:
+		case E_BLOCK_SPRUCE_WOOD_STAIRS:
+		case E_BLOCK_BIRCH_WOOD_STAIRS:
+		case E_BLOCK_JUNGLE_WOOD_STAIRS:
 		case E_BLOCK_LEAVES:
+		case E_BLOCK_NEW_LEAVES:
 		case E_BLOCK_LOG:
+		case E_BLOCK_NEW_LOG:
 		case E_BLOCK_WOOL:
 		case E_BLOCK_BOOKCASE:
 		case E_BLOCK_FENCE:
 		case E_BLOCK_TNT:
 		case E_BLOCK_VINES:
+		case E_BLOCK_HAY_BALE:
+		case E_BLOCK_TALL_GRASS:
+		case E_BLOCK_BIG_FLOWER:
+		case E_BLOCK_DANDELION:
+		case E_BLOCK_FLOWER:
+		case E_BLOCK_CARPET:
 		{
 			return true;
 		}
@@ -238,7 +254,7 @@ int cFireSimulator::GetBurnStepTime(cChunk * a_Chunk, int a_RelX, int a_RelY, in
 		{
 			return m_BurnStepTimeFuel;
 		}
-		IsBlockBelowSolid = g_BlockIsSolid[BlockBelow];
+		IsBlockBelowSolid = cBlockInfo::IsSolid(BlockBelow);
 	}
 	
 	for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
@@ -301,9 +317,15 @@ void cFireSimulator::TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int
 				*/
 				if (CanStartFireInBlock(a_Chunk, x, y, z))
 				{
-					FLOG("FS: Starting new fire at {%d, %d, %d}.", 
-						x + a_Chunk->GetPosX() * cChunkDef::Width, y, z + a_Chunk->GetPosZ() * cChunkDef::Width
-					);
+					int a_PosX = x + a_Chunk->GetPosX() * cChunkDef::Width;
+					int a_PosZ = z + a_Chunk->GetPosZ() * cChunkDef::Width;
+					
+					if (cRoot::Get()->GetPluginManager()->CallHookBlockSpread(&m_World, a_PosX, y, a_PosZ, ssFireSpread))
+					{
+						return;
+					}
+					
+					FLOG("FS: Starting new fire at {%d, %d, %d}.", a_PosX, y, a_PosZ);
 					a_Chunk->UnboundedRelSetBlock(x, y, z, E_BLOCK_FIRE, 0);
 				}
 			}  // for y
@@ -320,21 +342,33 @@ void cFireSimulator::RemoveFuelNeighbors(cChunk * a_Chunk, int a_RelX, int a_Rel
 	for (size_t i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
 	{
 		BLOCKTYPE  BlockType;
-		NIBBLETYPE BlockMeta;
-		if (!a_Chunk->UnboundedRelGetBlock(a_RelX + gNeighborCoords[i].x, a_RelY + gNeighborCoords[i].y, a_RelZ + gNeighborCoords[i].z, BlockType, BlockMeta))
+		int X = a_RelX + gNeighborCoords[i].x;
+		int Z = a_RelZ + gNeighborCoords[i].z;
+
+		cChunkPtr Neighbour = a_Chunk->GetRelNeighborChunkAdjustCoords(X, Z);
+		if (Neighbour == NULL)
 		{
-			// Neighbor not accessible, ignore it
 			continue;
 		}
+		BlockType = Neighbour->GetBlock(X, a_RelY + gCrossCoords[i].y, Z);
+
 		if (!IsFuel(BlockType))
 		{
 			continue;
 		}
+
+		if (BlockType == E_BLOCK_TNT)
+		{
+			int AbsX = X + Neighbour->GetPosX() * cChunkDef::Width;
+			int AbsZ = Z + Neighbour->GetPosZ() * cChunkDef::Width;
+
+			m_World.SpawnPrimedTNT(AbsX, a_RelY + gNeighborCoords[i].y, AbsZ, 0);
+			Neighbour->SetBlock(X, a_RelY + gNeighborCoords[i].y, Z, E_BLOCK_AIR, 0);
+			return;
+		}
+
 		bool ShouldReplaceFuel = (m_World.GetTickRandomNumber(MAX_CHANCE_REPLACE_FUEL) < m_ReplaceFuelChance);
-		a_Chunk->UnboundedRelSetBlock(
-			a_RelX + gNeighborCoords[i].x, a_RelY + gNeighborCoords[i].y, a_RelZ + gNeighborCoords[i].z,
-			ShouldReplaceFuel ? E_BLOCK_FIRE : E_BLOCK_AIR, 0
-		);
+		Neighbour->SetBlock(X, a_RelY + gNeighborCoords[i].y, Z, ShouldReplaceFuel ? E_BLOCK_FIRE : E_BLOCK_AIR, 0);
 	}  // for i - Coords[]
 }
 
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index fdc4643a8..03e94e791 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -11,6 +11,7 @@
 #include "../Chunk.h"
 #include "../BlockArea.h"
 #include "../Blocks/BlockHandler.h"
+#include "../BlockInServerPluginInterface.h"
 
 
 
@@ -53,14 +54,23 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 		a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ)
 	);
 	
-	NIBBLETYPE MyMeta = a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ);
-	if (!IsAnyFluidBlock(a_Chunk->GetBlock(a_RelX, a_RelY, a_RelZ)))
+	BLOCKTYPE MyBlock; NIBBLETYPE MyMeta;
+	a_Chunk->GetBlockTypeMeta(a_RelX, a_RelY, a_RelZ, MyBlock, MyMeta);
+
+	if (!IsAnyFluidBlock(MyBlock))
 	{
 		// Can happen - if a block is scheduled for simulating and gets replaced in the meantime.
 		FLOG("  BadBlockType exit");
 		return;
 	}
 
+	// When in contact with water, lava should harden
+	if (HardenBlock(a_Chunk, a_RelX, a_RelY, a_RelZ, MyBlock, MyMeta))
+	{
+		// Block was changed, bail out
+		return;
+	}
+
 	if (MyMeta != 0)
 	{
 		// Source blocks aren't checked for tributaries, others are.
@@ -85,7 +95,12 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 		{
 			// Spread only down, possibly washing away what's there or turning lava to stone / cobble / obsidian:
 			SpreadToNeighbor(a_Chunk, a_RelX, a_RelY - 1, a_RelZ, 8);
-			SpreadFurther = false;
+
+			// Source blocks spread both downwards and sideways
+			if (MyMeta != 0)
+			{
+				SpreadFurther = false;
+			}
 		}
 		// If source creation is on, check for it here:
 		else if (
@@ -104,10 +119,7 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 	if (SpreadFurther && (NewMeta < 8))
 	{
 		// Spread to the neighbors:
-		SpreadToNeighbor(a_Chunk, a_RelX - 1, a_RelY, a_RelZ,     NewMeta);
-		SpreadToNeighbor(a_Chunk, a_RelX + 1, a_RelY, a_RelZ,     NewMeta);
-		SpreadToNeighbor(a_Chunk, a_RelX,     a_RelY, a_RelZ - 1, NewMeta);
-		SpreadToNeighbor(a_Chunk, a_RelX,     a_RelY, a_RelZ + 1, NewMeta);
+		Spread(a_Chunk, a_RelX, a_RelY, a_RelZ, NewMeta);
 	}
 	
 	// Mark as processed:
@@ -118,6 +130,17 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 
 
 
+void cFloodyFluidSimulator::Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta)
+{
+	SpreadToNeighbor(a_Chunk, a_RelX - 1, a_RelY, a_RelZ,     a_NewMeta);
+	SpreadToNeighbor(a_Chunk, a_RelX + 1, a_RelY, a_RelZ,     a_NewMeta);
+	SpreadToNeighbor(a_Chunk, a_RelX,     a_RelY, a_RelZ - 1, a_NewMeta);
+	SpreadToNeighbor(a_Chunk, a_RelX,     a_RelY, a_RelZ + 1, a_NewMeta);
+}
+
+
+
+
 bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_MyMeta)
 {
 	// If we have a section above, check if there's fluid above this block that would feed it:
@@ -273,8 +296,13 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		cBlockHandler * Handler = BlockHandler(BlockType);
 		if (Handler->DoesDropOnUnsuitable())
 		{
+			cChunkInterface ChunkInterface(m_World.GetChunkMap());
+			cBlockInServerPluginInterface PluginInterface(m_World);
 			Handler->DropBlock(
-				&m_World, NULL, 
+				ChunkInterface,
+				m_World,
+				PluginInterface,
+				NULL, 
 				a_NearChunk->GetPosX() * cChunkDef::Width + a_RelX, 
 				a_RelY,
 				a_NearChunk->GetPosZ() * cChunkDef::Width + a_RelZ
@@ -290,6 +318,8 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		a_NewMeta
 	);
 	a_NearChunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
+
+	HardenBlock(a_NearChunk, a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
 }
 
 
@@ -342,3 +372,56 @@ bool cFloodyFluidSimulator::CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX
 
 
 
+
+bool cFloodyFluidSimulator::HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta)
+{
+	// Only lava blocks can harden
+	if (!IsBlockLava(a_BlockType))
+	{
+		return false;
+	}
+
+	bool ShouldHarden = false;
+
+	BLOCKTYPE BlockType;
+	NIBBLETYPE BlockMeta;
+	static const Vector3i Coords[] =
+	{
+		Vector3i( 1, 0,  0),
+		Vector3i(-1, 0,  0),
+		Vector3i( 0, 0,  1),
+		Vector3i( 0, 0, -1),
+	};
+	for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
+	{
+		if (!a_Chunk->UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta))
+		{
+			continue;
+		}
+		if (IsBlockWater(BlockType))
+		{
+			ShouldHarden = true;
+		}
+	}  // for i - Coords[]
+
+	if (ShouldHarden)
+	{
+		if (a_Meta == 0)
+		{
+			// Source lava block
+			a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_OBSIDIAN, 0);
+			return true;
+		}
+		// Ignore last lava level
+		else if (a_Meta <= 4)
+		{
+			a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_COBBLESTONE, 0);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+
+
diff --git a/src/Simulator/FloodyFluidSimulator.h b/src/Simulator/FloodyFluidSimulator.h
index c4af2e246..632de3bb2 100644
--- a/src/Simulator/FloodyFluidSimulator.h
+++ b/src/Simulator/FloodyFluidSimulator.h
@@ -38,14 +38,26 @@ protected:
 	// cDelayedFluidSimulator overrides:
 	virtual void SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override;
 	
-	/// Checks tributaries, if not fed, decreases the block's level and returns true
+	/** Checks tributaries, if not fed, decreases the block's level and returns true. */
 	bool CheckTributaries(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_MyMeta);
 
-	/// Spreads into the specified block, if the blocktype there allows. a_Area is for checking.
+	/** Spreads into the specified block, if the blocktype there allows. a_Area is for checking. */
 	void SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta);
 	
-	/// Checks if there are enough neighbors to create a source at the coords specified; turns into source and returns true if so
+	/** Checks if there are enough neighbors to create a source at the coords specified; turns into source and returns true if so. */
 	bool CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ);
+
+	/** Checks if the specified block should harden (Water/Lava interaction) and if so, converts it to a suitable block.
+	 *
+	 * Returns whether the block was changed or not.
+	 */
+	bool HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta);
+
+	/** Spread water to neighbors.
+	 *
+	 * May be overridden to provide more sophisticated algorithms.
+	 */
+	virtual void Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta);
 } ;
 
 
diff --git a/src/Simulator/FluidSimulator.cpp b/src/Simulator/FluidSimulator.cpp
index 72b2eb628..7779573d7 100644
--- a/src/Simulator/FluidSimulator.cpp
+++ b/src/Simulator/FluidSimulator.cpp
@@ -36,6 +36,7 @@ bool cFluidSimulator::CanWashAway(BLOCKTYPE a_BlockType)
 		case E_BLOCK_COBWEB:
 		case E_BLOCK_CROPS:
 		case E_BLOCK_DEAD_BUSH:
+		case E_BLOCK_LILY_PAD:
 		case E_BLOCK_RAIL:
 		case E_BLOCK_REDSTONE_TORCH_OFF:
 		case E_BLOCK_REDSTONE_TORCH_ON:
@@ -166,14 +167,12 @@ Direction cFluidSimulator::GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a
 			{
 				LowestPoint = Meta;
 				X = Pos->x;
-				Pos->y; //Remove if no side effects
 				Z = Pos->z;
 			}
 		}else if(BlockID == E_BLOCK_AIR)
 		{
 			LowestPoint = 9;		//This always dominates
 			X = Pos->x;
-			Pos->y; //Remove if no side effects
 			Z = Pos->z;
 		
 		}
diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp
new file mode 100644
index 000000000..f12c29211
--- /dev/null
+++ b/src/Simulator/IncrementalRedstoneSimulator.cpp
@@ -0,0 +1,1704 @@
+#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 "../Entities/Pickup.h"
+#include "../Blocks/BlockTorch.h"
+#include "../Blocks/BlockDoor.h"
+#include "../Piston.h"
+
+
+
+
+
+cIncrementalRedstoneSimulator::cIncrementalRedstoneSimulator(cWorld & a_World)
+	: super(a_World)
+{
+}
+
+
+
+
+
+cIncrementalRedstoneSimulator::~cIncrementalRedstoneSimulator()
+{
+}
+
+
+
+
+
+void cIncrementalRedstoneSimulator::RedstoneAddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk, cChunk * a_OtherChunk)
+{
+	if ((a_Chunk == NULL) || !a_Chunk->IsValid())
+	{
+		return;
+	}
+	else if ((a_BlockY < 0) || (a_BlockY > cChunkDef::Height))
+	{
+		return;
+	}
+
+	// We may be called with coordinates in a chunk that is not the first chunk parameter
+	// In that case, the actual chunk (which the coordinates are in), will be passed as the second parameter
+	// Use that Chunk pointer to get a relative position
+
+	int RelX = 0;
+	int RelZ = 0;	
+	BLOCKTYPE Block;
+	NIBBLETYPE Meta;
+
+	if (a_OtherChunk != NULL)
+	{
+		RelX = a_BlockX - a_OtherChunk->GetPosX() * cChunkDef::Width;
+		RelZ = a_BlockZ - a_OtherChunk->GetPosZ() * cChunkDef::Width;
+		a_OtherChunk->GetBlockTypeMeta(RelX, a_BlockY, RelZ, Block, Meta);
+	}
+	else
+	{
+		RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width;
+		RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;
+		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
+
+	PoweredBlocksList * PoweredBlocks = a_Chunk->GetRedstoneSimulatorPoweredBlocksList();
+	for (PoweredBlocksList::iterator itr = PoweredBlocks->begin(); itr != 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);
+			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)) ||
+			(((Block == E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE) || (Block == E_BLOCK_HEAVY_WEIGHTED_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);
+			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");
+					PoweredBlocks->erase(itr);
+					break;
+				}
+			}
+		}
+	}
+
+	LinkedBlocksList * LinkedPoweredBlocks = a_Chunk->GetRedstoneSimulatorLinkedBlocksList();
+	// We loop through all values (insteading of breaking out at the first) to make sure everything is gone, as there can be multiple SourceBlock entries for one AddBlock coordinate
+	for (LinkedBlocksList::iterator itr = LinkedPoweredBlocks->begin(); itr != LinkedPoweredBlocks->end();)
+	{
+		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);
+				itr = LinkedPoweredBlocks->erase(itr);
+				continue;
+			}
+			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);
+				itr = LinkedPoweredBlocks->erase(itr);
+				continue;
+			}
+		}
+		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);
+				itr = LinkedPoweredBlocks->erase(itr);
+				continue;
+			}
+		}
+		++itr;
+	}
+
+	SimulatedPlayerToggleableList * SimulatedPlayerToggleableBlocks = a_Chunk->GetRedstoneSimulatorSimulatedPlayerToggleableList();
+	for (SimulatedPlayerToggleableList::iterator itr = SimulatedPlayerToggleableBlocks->begin(); itr != 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);
+			SimulatedPlayerToggleableBlocks->erase(itr);
+			break;
+		}
+	}
+
+	RepeatersDelayList * RepeatersDelayList = a_Chunk->GetRedstoneSimulatorRepeatersDelayList();
+	for (RepeatersDelayList::iterator itr = RepeatersDelayList->begin(); itr != 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))
+		{
+			RepeatersDelayList->erase(itr);
+			break;
+		}
+	}
+
+	if (a_OtherChunk != NULL)
+	{
+		// DO NOT touch our chunk's data structure if we are being called with coordinates from another chunk - this one caused me massive grief :P
+		return;
+	}
+
+	cRedstoneSimulatorChunkData * RedstoneSimulatorChunkData = a_Chunk->GetRedstoneSimulatorData();
+	for (cRedstoneSimulatorChunkData::iterator itr = RedstoneSimulatorChunkData->begin(); itr != RedstoneSimulatorChunkData->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;
+	}
+
+	RedstoneSimulatorChunkData->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
+
+	m_RedstoneSimulatorChunkData = a_Chunk->GetRedstoneSimulatorData();
+	if (m_RedstoneSimulatorChunkData->empty())
+	{
+		return;
+	}
+
+	m_PoweredBlocks = a_Chunk->GetRedstoneSimulatorPoweredBlocksList();
+	m_RepeatersDelayList = a_Chunk->GetRedstoneSimulatorRepeatersDelayList();
+	m_SimulatedPlayerToggleableBlocks = a_Chunk->GetRedstoneSimulatorSimulatedPlayerToggleableList();
+	m_LinkedPoweredBlocks = a_Chunk->GetRedstoneSimulatorLinkedBlocksList();
+	m_Chunk = a_Chunk;
+
+	int BaseX = a_Chunk->GetPosX() * cChunkDef::Width;
+	int BaseZ = a_Chunk->GetPosZ() * cChunkDef::Width;
+
+	for (cRedstoneSimulatorChunkData::iterator dataitr = m_RedstoneSimulatorChunkData->begin(); dataitr != m_RedstoneSimulatorChunkData->end();)
+	{
+		if (dataitr->DataTwo)
+		{
+			dataitr = m_RedstoneSimulatorChunkData->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_FENCE_GATE:            HandleFenceGate(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:
+			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
+			{
+				HandlePressurePlate(a_X, dataitr->y, a_Z, dataitr->Data);
+				break;
+			}
+			default: LOGD("Unhandled block (!) or unimplemented redstone block: %s", ItemToString(dataitr->Data).c_str()); break;
+		}
+		++dataitr;
+	}
+}
+
+
+
+
+void cIncrementalRedstoneSimulator::WakeUp(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk)
+{
+	if (
+		((a_BlockX % cChunkDef::Width) <= 1) ||
+		((a_BlockX % cChunkDef::Width) >= 14) ||
+		((a_BlockZ % cChunkDef::Width) <= 1) ||
+		((a_BlockZ % cChunkDef::Width) >= 14)
+		) // Are we on a chunk boundary? +- 2 because of LinkedPowered blocks
+	{
+		// On a chunk boundary, alert all four sides (i.e. at least one neighbouring chunk)
+		AddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk);
+
+		// Pass the original coordinates, because when adding things to our simulator lists, we get the chunk that they are in, and therefore any updates need to preseve their position
+		// RedstoneAddBlock to pass both the neighbouring chunk and the chunk which the coordiantes are in and +- 2 in GetNeighbour() to accomodate for LinkedPowered blocks being 2 away from chunk boundaries
+		RedstoneAddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk->GetNeighborChunk(a_BlockX - 2, a_BlockZ), a_Chunk);
+		RedstoneAddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk->GetNeighborChunk(a_BlockX + 2, a_BlockZ), a_Chunk);
+		RedstoneAddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk->GetNeighborChunk(a_BlockX, a_BlockZ - 2), a_Chunk);
+		RedstoneAddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk->GetNeighborChunk(a_BlockX, a_BlockZ + 2), a_Chunk);
+
+		return;
+	}
+
+	// Not on boundary, just alert this chunk for speed
+	AddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk);
+}
+
+
+
+
+
+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::HandleFenceGate(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+	cChunkInterface ChunkInterface(m_World.GetChunkMap());
+	NIBBLETYPE MetaData = ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, 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, MetaData | 0x4);
+			m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+			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, MetaData & 0xFFFFFFFB);
+			m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
+		}
+	}
+}
+
+
+
+
+
+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 (cBlockInfo::IsSolid(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 (cBlockInfo::IsSolid(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) && (MyMeta != 0))
+		{
+			// 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 if (MyMeta != MetaToSet)
+		{
+			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:
+			{
+				SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, 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);
+				SetBlockPowered(a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
+				SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, 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_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_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)
+{
+	// Create a variable holding my meta to avoid multiple lookups.
+	NIBBLETYPE a_Meta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+
+	// Do the same for being on, self powered or locked.
+	bool IsOn = (a_MyState == E_BLOCK_REDSTONE_REPEATER_ON);
+	bool IsSelfPowered = IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta);
+	bool IsLocked = IsRepeaterLocked(a_BlockX, a_BlockY, a_BlockZ, a_Meta);
+
+	if (IsSelfPowered && !IsOn && !IsLocked) // Queue a power change if powered, but not on and not locked.
+	{
+		QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, true);
+	}
+	else if (!IsSelfPowered && IsOn && !IsLocked) // Queue a power change if unpowered, on, and not locked.
+	{
+		QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, 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("game.tnt.primed", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 0.5f, 0.6f);
+		m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
+		m_World.SpawnPrimedTNT(a_BlockX + 0.5, a_BlockY + 0.5, a_BlockZ + 0.5);  // 80 ticks to boom
+	}
+}
+
+
+
+
+
+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);
+			m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+			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);
+			m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+			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.SetTrapdoorOpen(a_BlockX, a_BlockY, a_BlockZ, true);
+			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
+		}
+	}
+	else
+	{
+		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
+		{
+			m_World.SetTrapdoorOpen(a_BlockX, a_BlockY, a_BlockZ, false);
+			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_LIGHT_WEIGHTED_PRESSURE_PLATE:
+		case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
+		case E_BLOCK_WOODEN_PRESSURE_PLATE:
+		{
+			class cPressurePlateCallback :
+				public cEntityCallback
+			{
+			public:
+				cPressurePlateCallback(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);
+					double Distance = (EntityPos - BlockPos).Length();
+
+					if (Distance <= 0.7)
+					{
+						m_Entity = a_Entity;
+						return true; // Break out, we only need to know for 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;
+			} ;
+
+			cPressurePlateCallback PressurePlateCallback(a_BlockX, a_BlockY, a_BlockZ, &m_World);
+			m_World.ForEachEntity(PressurePlateCallback);
+
+			NIBBLETYPE Meta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+			if (PressurePlateCallback.FoundEntity())
+			{
+				if (Meta == 0x0)
+				{
+					m_World.BroadcastSoundEffect("random.click", (int) ((a_BlockX + 0.5) * 8.0), (int) ((a_BlockY + 0.1) * 8.0), (int) ((a_BlockZ + 0.5) * 8.0), 0.3F, 0.5F);
+				}
+				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x1);
+				SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, a_MyType);
+			}
+			else
+			{
+				if (Meta == 0x1)
+				{
+					m_World.BroadcastSoundEffect("random.click", (int) ((a_BlockX + 0.5) * 8.0), (int) ((a_BlockY + 0.1) * 8.0), (int) ((a_BlockZ + 0.5) * 8.0), 0.3F, 0.6F);
+				}
+				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;
+}
+
+
+
+
+// IsRepeaterPowered tests if a repeater should be powered by testing for power sources behind the repeater.
+// It takes the coordinates of the repeater the the meta value.
+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 & 0x3)
+		{
+			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 & 0x3)
+		{
+			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::IsRepeaterLocked(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta)
+{
+	// Change checking direction according to meta rotation.
+	switch (a_Meta & 0x3) //compare my direction to my neighbor's
+	{
+
+		// If the repeater is facing one direction, do one thing.
+		case 0x0: 
+		case 0x2:
+		{
+			if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ) == E_BLOCK_REDSTONE_REPEATER_ON) // Is right neighbor a
+			{ 
+				NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX + 1, a_BlockY, a_BlockZ) & 0x3;
+				if (otherRepeaterDir == 0x1) { return true; }
+			}
+	  
+	  		if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ) == E_BLOCK_REDSTONE_REPEATER_ON) 
+			{ 
+				NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX -1, a_BlockY, a_BlockZ) & 0x3;
+				if (otherRepeaterDir == 0x3) { return true; }
+			}
+	  
+			break;
+		}
+	  
+		// If another, do the other.
+		case 0x1:
+		case 0x3:
+		{
+			if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1) == E_BLOCK_REDSTONE_REPEATER_ON) 
+			{ 
+				NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ + 1) & 0x3;
+				if (otherRepeaterDir == 0x0) { return true; }
+			}
+			
+			if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ -1) == E_BLOCK_REDSTONE_REPEATER_ON) 
+			{ 
+				NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ - 1) & 0x3;
+				if (otherRepeaterDir == 0x2) { return true; }
+			}
+
+			break;
+		}
+	}
+
+	return false;
+}
+
+
+
+
+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;
+	}
+
+	PoweredBlocksList * Powered = m_Chunk->GetNeighborChunk(a_BlockX, a_BlockZ)->GetRedstoneSimulatorPoweredBlocksList();
+
+	for (PoweredBlocksList::const_iterator itr = Powered->begin(); itr != Powered->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);
+	Powered->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;
+	}
+
+	LinkedBlocksList * Linked = m_Chunk->GetNeighborChunk(a_BlockX, a_BlockZ)->GetRedstoneSimulatorLinkedBlocksList();
+
+	for (LinkedBlocksList::const_iterator itr = Linked->begin(); itr != Linked->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);
+	Linked->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, 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) + 1) * 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
+	RC.a_DelayTicks = (((a_Meta & 0xC) >> 0x2) + 1) * 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);
+}
+
+
+
+
diff --git a/src/Simulator/IncrementalRedstoneSimulator.h b/src/Simulator/IncrementalRedstoneSimulator.h
new file mode 100644
index 000000000..f93f86898
--- /dev/null
+++ b/src/Simulator/IncrementalRedstoneSimulator.h
@@ -0,0 +1,283 @@
+
+#pragma once
+
+#include "RedstoneSimulator.h"
+
+/// Per-chunk data for the simulator, specified individual chunks to simulate
+typedef cCoordWithBlockAndBoolVector cRedstoneSimulatorChunkData;
+
+
+
+
+
+class cIncrementalRedstoneSimulator :
+	public cRedstoneSimulator
+{
+	typedef cRedstoneSimulator super;
+public:
+
+	cIncrementalRedstoneSimulator(cWorld & a_World);
+	~cIncrementalRedstoneSimulator();
+
+	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}  // not used
+	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
+	virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) override { return IsRedstone(a_BlockType); }
+	virtual void WakeUp(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override;
+
+	enum eRedstoneDirection
+	{
+		REDSTONE_NONE =  0,
+		REDSTONE_X_POS = 0x1,
+		REDSTONE_X_NEG = 0x2,
+		REDSTONE_Z_POS = 0x4,
+		REDSTONE_Z_NEG = 0x8,
+	};
+	eRedstoneDirection GetWireDirection(int a_BlockX, int a_BlockY, int a_BlockZ);
+
+private:
+
+	struct sPoweredBlocks // Define structure of the directly powered blocks list
+	{
+		Vector3i a_BlockPos; // Position of powered block
+		Vector3i a_SourcePos; // Position of source powering the block at a_BlockPos
+	};
+
+	struct sLinkedPoweredBlocks // Define structure of the indirectly powered blocks list (i.e. repeaters powering through a block to the block at the other side)
+	{
+		Vector3i a_BlockPos;
+		Vector3i a_MiddlePos;
+		Vector3i a_SourcePos;
+	};
+
+	struct sSimulatedPlayerToggleableList
+	{
+		Vector3i a_BlockPos;
+		bool WasLastStatePowered;
+	};
+
+	struct sRepeatersDelayList
+	{
+		Vector3i a_BlockPos;
+		unsigned char a_DelayTicks;
+		unsigned char a_ElapsedTicks;
+		bool ShouldPowerOn;
+	};
+
+public:
+
+	typedef std::vector <sPoweredBlocks> PoweredBlocksList;
+	typedef std::vector <sLinkedPoweredBlocks> LinkedBlocksList;
+	typedef std::vector <sSimulatedPlayerToggleableList> SimulatedPlayerToggleableList;
+	typedef std::vector <sRepeatersDelayList> RepeatersDelayList;
+
+private:
+
+	cRedstoneSimulatorChunkData * m_RedstoneSimulatorChunkData;
+	PoweredBlocksList * m_PoweredBlocks;
+	LinkedBlocksList * m_LinkedPoweredBlocks;
+	SimulatedPlayerToggleableList * m_SimulatedPlayerToggleableBlocks;
+	RepeatersDelayList * m_RepeatersDelayList;
+
+	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override { RedstoneAddBlock(a_BlockX, a_BlockY, a_BlockZ, a_Chunk); }
+	void RedstoneAddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk, cChunk * a_OtherChunk = NULL);
+	cChunk * m_Chunk;
+
+	// We want a_MyState for devices needing a full FastSetBlock (as opposed to meta) because with our simulation model, we cannot keep setting the block if it is already set correctly
+	// In addition to being non-performant, it would stop the player from actually breaking said device
+
+	/* ====== SOURCES ====== */
+	/** Handles the redstone torch */
+	void HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
+	/** Handles the redstone block */
+	void HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles levers */
+	void HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles buttons */
+	void HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType);
+	/** Handles daylight sensors */
+	void HandleDaylightSensor(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles pressure plates */
+	void HandlePressurePlate(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType);
+	/* ==================== */
+
+	/* ====== CARRIERS ====== */
+	/** Handles redstone wire */
+	void HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles repeaters */
+	void HandleRedstoneRepeater(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
+	/* ====================== */
+
+	/* ====== DEVICES ====== */
+	/** Handles pistons */
+	void HandlePiston(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles dispensers and droppers */
+	void HandleDropSpenser(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles TNT (exploding) */
+	void HandleTNT(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles redstone lamps */
+	void HandleRedstoneLamp(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
+	/** Handles doords */
+	void HandleDoor(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles command blocks */
+	void HandleCommandBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles activator, detector, and powered rails */
+	void HandleRail(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType);
+	/** Handles trapdoors */
+	void HandleTrapdoor(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles fence gates */
+	void HandleFenceGate(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Handles noteblocks */
+	void HandleNoteBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/* ===================== */
+
+	/* ====== Helper functions ====== */
+	/** Marks a block as powered */
+	void SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock);
+	/** Marks a block as being powered through another block */
+	void 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_MiddeBlock);
+	/** Marks a block as simulated, who should not be simulated further unless their power state changes, to accomodate a player manually toggling the block without triggering the simulator toggling it back */
+	void SetPlayerToggleableBlockAsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool WasLastStatePowered);
+	/** Marks the second block in a direction as linked powered */
+	void SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Direction, BLOCKTYPE a_SourceBlock);
+	/** Marks all blocks immediately surrounding a coordinate as powered */
+	void SetAllDirsAsPowered(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_SourceBlock);
+	/** Queues a repeater to be powered or unpowered */
+	void QueueRepeaterPowerChange(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta, bool ShouldPowerOn);
+
+	/** Returns if a coordinate is powered or linked powered */
+	bool AreCoordsPowered(int a_BlockX, int a_BlockY, int a_BlockZ) { return AreCoordsDirectlyPowered(a_BlockX, a_BlockY, a_BlockZ) || AreCoordsLinkedPowered(a_BlockX, a_BlockY, a_BlockZ); }
+	/** Returns if a coordinate is in the directly powered blocks list */
+	bool AreCoordsDirectlyPowered(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Returns if a coordinate is in the indirectly powered blocks list */
+	bool AreCoordsLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ);
+	/** Returns if a coordinate was marked as simulated (for blocks toggleable by players) */
+	bool AreCoordsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool IsCurrentStatePowered);
+	/** Returns if a repeater is powered */
+	bool IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
+	/** Returns if a repeater is locked */
+	bool IsRepeaterLocked(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
+	/** Returns if a piston is powered */
+	bool IsPistonPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
+	/** Returns if a wire is powered
+		The only diffence between this and a normal AreCoordsPowered is that this function checks for a wire powering another wire
+	*/
+	bool IsWirePowered(int a_BlockX, int a_BlockY, int a_BlockZ);
+
+
+	/** Returns if lever metadata marks it as emitting power */
+	bool IsLeverOn(NIBBLETYPE a_BlockMeta);
+	/** Returns if button metadata marks it as emitting power */
+	bool IsButtonOn(NIBBLETYPE a_BlockMeta);
+	/* ============================== */
+
+	/* ====== Misc Functions ====== */
+	/** Returns if a block is viable to be the MiddleBlock of a SetLinkedPowered operation */
+	inline static bool IsViableMiddleBlock(BLOCKTYPE Block) { return cBlockInfo::FullyOccupiesVoxel(Block); }
+
+	/** Returns if a block is a mechanism (something that accepts power and does something) */
+	inline static bool IsMechanism(BLOCKTYPE Block)
+	{
+		switch (Block)
+		{
+			case E_BLOCK_ACTIVATOR_RAIL:
+			case E_BLOCK_COMMAND_BLOCK:
+			case E_BLOCK_PISTON:
+			case E_BLOCK_STICKY_PISTON:
+			case E_BLOCK_DISPENSER:
+			case E_BLOCK_DROPPER:
+			case E_BLOCK_FENCE_GATE:
+			case E_BLOCK_HOPPER:
+			case E_BLOCK_NOTE_BLOCK:
+			case E_BLOCK_TNT:
+			case E_BLOCK_TRAPDOOR:
+			case E_BLOCK_REDSTONE_LAMP_OFF:
+			case E_BLOCK_REDSTONE_LAMP_ON:
+			case E_BLOCK_WOODEN_DOOR:
+			case E_BLOCK_IRON_DOOR:
+			case E_BLOCK_REDSTONE_REPEATER_OFF:
+			case E_BLOCK_REDSTONE_REPEATER_ON:
+			case E_BLOCK_POWERED_RAIL:
+			{
+				return true;
+			}
+			default: return false;
+		}
+	}
+
+	/** Returns if a block has the potential to output power */
+	inline static bool IsPotentialSource(BLOCKTYPE Block)
+	{
+		switch (Block)
+		{
+			case E_BLOCK_DETECTOR_RAIL:
+			case E_BLOCK_DAYLIGHT_SENSOR:
+			case E_BLOCK_WOODEN_BUTTON:
+			case E_BLOCK_STONE_BUTTON:
+			case E_BLOCK_REDSTONE_WIRE:
+			case E_BLOCK_REDSTONE_TORCH_ON:
+			case E_BLOCK_LEVER:
+			case E_BLOCK_REDSTONE_REPEATER_ON:
+			case E_BLOCK_BLOCK_OF_REDSTONE:
+			case E_BLOCK_ACTIVE_COMPARATOR:
+			case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_STONE_PRESSURE_PLATE:
+			case E_BLOCK_WOODEN_PRESSURE_PLATE:
+			{
+				return true;
+			}
+			default: return false;
+		}
+	}
+
+	/** Returns if a block is any sort of redstone device */
+	inline static bool IsRedstone(BLOCKTYPE Block)
+	{
+		switch (Block)
+		{
+			// All redstone devices, please alpha sort
+			case E_BLOCK_ACTIVATOR_RAIL:
+			case E_BLOCK_ACTIVE_COMPARATOR:
+			case E_BLOCK_BLOCK_OF_REDSTONE:
+			case E_BLOCK_COMMAND_BLOCK:
+			case E_BLOCK_DETECTOR_RAIL:
+			case E_BLOCK_DISPENSER:
+			case E_BLOCK_DAYLIGHT_SENSOR:
+			case E_BLOCK_DROPPER:
+			case E_BLOCK_FENCE_GATE:
+			case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_HOPPER:
+			case E_BLOCK_INACTIVE_COMPARATOR:
+			case E_BLOCK_IRON_DOOR:
+			case E_BLOCK_LEVER:
+			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_NOTE_BLOCK:
+			case E_BLOCK_POWERED_RAIL:
+			case E_BLOCK_REDSTONE_LAMP_OFF:
+			case E_BLOCK_REDSTONE_LAMP_ON:
+			case E_BLOCK_REDSTONE_REPEATER_OFF:
+			case E_BLOCK_REDSTONE_REPEATER_ON:
+			case E_BLOCK_REDSTONE_TORCH_OFF:
+			case E_BLOCK_REDSTONE_TORCH_ON:
+			case E_BLOCK_REDSTONE_WIRE:
+			case E_BLOCK_STICKY_PISTON:
+			case E_BLOCK_STONE_BUTTON:
+			case E_BLOCK_STONE_PRESSURE_PLATE:
+			case E_BLOCK_TNT:
+			case E_BLOCK_TRAPDOOR:
+			case E_BLOCK_TRIPWIRE_HOOK:
+			case E_BLOCK_WOODEN_BUTTON:
+			case E_BLOCK_WOODEN_DOOR:
+			case E_BLOCK_WOODEN_PRESSURE_PLATE:
+			case E_BLOCK_PISTON:
+			{
+				 return true;
+			}
+			default: return false;
+		}
+	}
+};
+
+
+
+
diff --git a/src/Simulator/NoopRedstoneSimulator.h b/src/Simulator/NoopRedstoneSimulator.h
new file mode 100644
index 000000000..fe3949198
--- /dev/null
+++ b/src/Simulator/NoopRedstoneSimulator.h
@@ -0,0 +1,40 @@
+
+#pragma once
+
+#include "RedstoneSimulator.h"
+
+
+
+
+
+class cRedstoneNoopSimulator :
+	public cRedstoneSimulator
+{
+	typedef cRedstoneSimulator super;
+public:
+
+	cRedstoneNoopSimulator(cWorld & a_World) :
+		super(a_World)
+	{
+	}
+
+	//~cRedstoneNoopSimulator();
+
+	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}  // not used
+	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override 
+	{
+		UNUSED(a_Dt);
+		UNUSED(a_ChunkX);
+		UNUSED(a_ChunkZ);
+		UNUSED(a_Chunk);
+	}
+	virtual bool IsAllowedBlock( BLOCKTYPE a_BlockType ) override { return false; }
+	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override
+	{
+		UNUSED(a_BlockX);
+		UNUSED(a_BlockY);
+		UNUSED(a_BlockZ);
+		UNUSED(a_Chunk);
+	}
+
+} ;
diff --git a/src/Simulator/RedstoneSimulator.cpp b/src/Simulator/RedstoneSimulator.cpp
index e361cbf49..a83f21106 100644
--- a/src/Simulator/RedstoneSimulator.cpp
+++ b/src/Simulator/RedstoneSimulator.cpp
@@ -1,22 +1,15 @@
 
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+#include "Globals.h"
 
 #include "RedstoneSimulator.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"
-#include "../Tracer.h"
+#include "../World.h"
 
 
 
 
 
-cRedstoneSimulator::cRedstoneSimulator(cWorld & a_World)
-	: super(a_World)
+cRedstoneSimulator::cRedstoneSimulator(cWorld & a_World) :
+	super(a_World)
 {
 }
 
@@ -24,1507 +17,3 @@ cRedstoneSimulator::cRedstoneSimulator(cWorld & 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;
-	
-	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("cRedstoneSimulator: 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("cRedstoneSimulator: 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("cRedstoneSimulator: 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("cRedstoneSimulator: 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("cRedstoneSimulator: 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("cRedstoneSimulator: 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("cRedstoneSimulator: 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))
-			{
-				ChunkData.erase(itr); // The new blocktype is not redstone; it must be removed from this list
-			}
-			else
-			{
-				itr->Data = Block; // Update block information
-			}
-			return;
-		}
-	}
-
-	if (!IsAllowedBlock(Block))
-	{
-		return;
-	}
-
-	ChunkData.push_back(cCoordWithBlock(RelX, a_BlockY, RelZ, Block));
-}
-
-
-
-
-
-void cRedstoneSimulator::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::const_iterator dataitr = ChunkData.begin(); dataitr != ChunkData.end(); ++dataitr)
-	{
-		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;
-			}
-		}
-	}
-}
-
-
-
-
-
-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 (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 cRedstoneSimulator::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 cRedstoneSimulator::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 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)))
-	{
-		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 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}, /* 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 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);
-
-	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 cRedstoneSimulator::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 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);
-}
-
-
-
-
-
-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.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 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.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::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))
-		{
-			cBlockDoorHandler::ChangeDoor(&m_World, a_BlockX, a_BlockY, a_BlockZ);
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
-		}
-	}
-	else
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
-		{
-			cBlockDoorHandler::ChangeDoor(&m_World, a_BlockX, a_BlockY, a_BlockZ);
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::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 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)
-			{
-				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 cRedstoneSimulator::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 cRedstoneSimulator::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 cRedstoneSimulator::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 cRedstoneSimulator::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);
-
-			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_X(a_BlockX),
-					m_Y(a_BlockY),
-					m_Z(a_BlockZ),
-					m_World(a_World),
-					m_Entity(NULL)
-				{
-				}
-
-				virtual bool Item(cEntity * a_Entity) override
-				{
-					cTracer LineOfSight(m_World);
-
-					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)
-					{
-						if (!LineOfSight.Trace(BlockPos, (EntityPos - BlockPos), (int)(EntityPos - BlockPos).Length()))
-						{
-							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 cRedstoneSimulator::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 cRedstoneSimulator::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 cRedstoneSimulator::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 cRedstoneSimulator::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;
-
-	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, a_Meta); // Piston meta is based on what direction they face, so we can do this
-
-		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, a_Meta);
-
-		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 cRedstoneSimulator::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 cRedstoneSimulator::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 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);
-
-			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 cRedstoneSimulator::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 cRedstoneSimulator::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 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
-)
-{
-	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 cRedstoneSimulator::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 cRedstoneSimulator::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;
-}
-
-
-
-
-
-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);
-}
-
-
-
-
diff --git a/src/Simulator/RedstoneSimulator.h b/src/Simulator/RedstoneSimulator.h
index bb2efeb8a..b3e20c9a5 100644
--- a/src/Simulator/RedstoneSimulator.h
+++ b/src/Simulator/RedstoneSimulator.h
@@ -3,10 +3,6 @@
 
 #include "Simulator.h"
 
-/// Per-chunk data for the simulator, specified individual chunks to simulate; 'Data' is not used
-typedef cCoordWithBlockVector cRedstoneSimulatorChunkData;
-
-
 
 
 
@@ -14,250 +10,8 @@ class cRedstoneSimulator :
 	public cSimulator
 {
 	typedef cSimulator super;
+	
 public:
-
 	cRedstoneSimulator(cWorld & a_World);
-	~cRedstoneSimulator();
-
-	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}  // not used
-	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
-	virtual bool IsAllowedBlock( BLOCKTYPE a_BlockType ) override { return IsRedstone(a_BlockType); }
-
-	enum eRedstoneDirection
-	{
-		REDSTONE_NONE =  0,
-		REDSTONE_X_POS = 0x1,
-		REDSTONE_X_NEG = 0x2,
-		REDSTONE_Z_POS = 0x4,
-		REDSTONE_Z_NEG = 0x8,
-	};
-	eRedstoneDirection GetWireDirection(int a_BlockX, int a_BlockY, int a_BlockZ);
-
-private:
-
-	struct sPoweredBlocks // Define structure of the directly powered blocks list
-	{
-		Vector3i a_BlockPos; // Position of powered block
-		Vector3i a_SourcePos; // Position of source powering the block at a_BlockPos
-	};
-
-	struct sLinkedPoweredBlocks // Define structure of the indirectly powered blocks list (i.e. repeaters powering through a block to the block at the other side)
-	{
-		Vector3i a_BlockPos;
-		Vector3i a_MiddlePos;
-		Vector3i a_SourcePos;
-	};
-
-	struct sSimulatedPlayerToggleableList
-	{
-		Vector3i a_BlockPos;
-		bool WasLastStatePowered;
-	};
-
-	struct sRepeatersDelayList
-	{
-		Vector3i a_BlockPos;
-		short a_DelayTicks;
-		short a_ElapsedTicks;
-		bool ShouldPowerOn;
-	};
-	
-	typedef std::vector <sPoweredBlocks> PoweredBlocksList;
-	typedef std::vector <sLinkedPoweredBlocks> LinkedBlocksList;
-	typedef std::vector <sSimulatedPlayerToggleableList> SimulatedPlayerToggleableList;
-	typedef std::vector <sRepeatersDelayList> RepeatersDelayList;
-
-	PoweredBlocksList m_PoweredBlocks;
-	LinkedBlocksList m_LinkedPoweredBlocks;
-	SimulatedPlayerToggleableList m_SimulatedPlayerToggleableBlocks;
-	RepeatersDelayList m_RepeatersDelayList;
-
-	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override;
-
-	// We want a_MyState for devices needing a full FastSetBlock (as opposed to meta) because with our simulation model, we cannot keep setting the block if it is already set correctly
-	// In addition to being non-performant, it would stop the player from actually breaking said device
-
-	/* ====== SOURCES ====== */
-	/** Handles the redstone torch */
-	void HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
-	/** Handles the redstone block */
-	void HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles levers */
-	void HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles buttons */
-	void HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType);
-	/** Handles daylight sensors */
-	void HandleDaylightSensor(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles pressure plates */
-	void HandlePressurePlate(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType);
-	/* ==================== */
-
-	/* ====== CARRIERS ====== */
-	/** Handles redstone wire */
-	void HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles repeaters */
-	void HandleRedstoneRepeater(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
-	/* ====================== */
-
-	/* ====== DEVICES ====== */
-	/** Handles pistons */
-	void HandlePiston(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles dispensers and droppers */
-	void HandleDropSpenser(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles TNT (exploding) */
-	void HandleTNT(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles redstone lamps */
-	void HandleRedstoneLamp(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
-	/** Handles doords */
-	void HandleDoor(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles command blocks */
-	void HandleCommandBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles activator, detector, and powered rails */
-	void HandleRail(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType);
-	/** Handles trapdoors */
-	void HandleTrapdoor(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Handles noteblocks */
-	void HandleNoteBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/* ===================== */
-
-	/* ====== Helper functions ====== */
-	/** Marks a block as powered */
-	void SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock);
-	/** Marks a block as being powered through another block */
-	void 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_MiddeBlock);
-	/** Marks a block as simulated, who should not be simulated further unless their power state changes, to accomodate a player manually toggling the block without triggering the simulator toggling it back */
-	void SetPlayerToggleableBlockAsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool WasLastStatePowered);
-	/** Marks the second block in a direction as linked powered */
-	void SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Direction, BLOCKTYPE a_SourceBlock);
-	/** Marks all blocks immediately surrounding a coordinate as powered */
-	void SetAllDirsAsPowered(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_SourceBlock);
-	/** Queues a repeater to be powered or unpowered */
-	void QueueRepeaterPowerChange(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta, short a_ElapsedTicks, bool ShouldPowerOn);
-
-	/** Returns if a coordinate is powered or linked powered */
-	bool AreCoordsPowered(int a_BlockX, int a_BlockY, int a_BlockZ) { return AreCoordsDirectlyPowered(a_BlockX, a_BlockY, a_BlockZ) || AreCoordsLinkedPowered(a_BlockX, a_BlockY, a_BlockZ); }
-	/** Returns if a coordinate is in the directly powered blocks list */
-	bool AreCoordsDirectlyPowered(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Returns if a coordinate is in the indirectly powered blocks list */
-	bool AreCoordsLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ);
-	/** Returns if a coordinate was marked as simulated (for blocks toggleable by players) */
-	bool AreCoordsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool IsCurrentStatePowered);
-	/** Returns if a repeater is powered */
-	bool IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
-	/** Returns if a piston is powered */
-	bool IsPistonPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
-	/** Returns if a wire is powered
-		The only diffence between this and a normal AreCoordsPowered is that this function checks for a wire powering another wire
-	*/
-	bool IsWirePowered(int a_BlockX, int a_BlockY, int a_BlockZ);
-
-
-	/** Returns if lever metadata marks it as emitting power */
-	bool IsLeverOn(NIBBLETYPE a_BlockMeta);
-	/** Returns if button metadata marks it as emitting power */
-	bool IsButtonOn(NIBBLETYPE a_BlockMeta);
-	/* ============================== */
-
-	/* ====== Misc Functions ====== */
-	/** Returns if a block is viable to be the MiddleBlock of a SetLinkedPowered operation */
-	inline static bool IsViableMiddleBlock(BLOCKTYPE Block) { return g_BlockFullyOccupiesVoxel[Block]; }
-
-	/** Returns if a block is a mechanism (something that accepts power and does something) */
-	inline static bool IsMechanism(BLOCKTYPE Block)
-	{
-		switch (Block)
-		{
-			case E_BLOCK_ACTIVATOR_RAIL:
-			case E_BLOCK_COMMAND_BLOCK:
-			case E_BLOCK_PISTON:
-			case E_BLOCK_STICKY_PISTON:
-			case E_BLOCK_DISPENSER:
-			case E_BLOCK_DROPPER:
-			case E_BLOCK_FENCE_GATE:
-			case E_BLOCK_HOPPER:
-			case E_BLOCK_NOTE_BLOCK:
-			case E_BLOCK_TNT:
-			case E_BLOCK_TRAPDOOR:
-			case E_BLOCK_REDSTONE_LAMP_OFF:
-			case E_BLOCK_REDSTONE_LAMP_ON:
-			case E_BLOCK_WOODEN_DOOR:
-			case E_BLOCK_IRON_DOOR:
-			case E_BLOCK_REDSTONE_REPEATER_OFF:
-			case E_BLOCK_REDSTONE_REPEATER_ON:
-			case E_BLOCK_POWERED_RAIL:
-			{
-				return true;
-			}
-			default: return false;
-		}
-	}
-
-	/** Returns if a block has the potential to output power */
-	inline static bool IsPotentialSource(BLOCKTYPE Block)
-	{
-		switch (Block)
-		{
-			case E_BLOCK_DETECTOR_RAIL:
-			case E_BLOCK_DAYLIGHT_SENSOR:
-			case E_BLOCK_WOODEN_BUTTON:
-			case E_BLOCK_STONE_BUTTON:
-			case E_BLOCK_REDSTONE_WIRE:
-			case E_BLOCK_REDSTONE_TORCH_ON:
-			case E_BLOCK_LEVER:
-			case E_BLOCK_REDSTONE_REPEATER_ON:
-			case E_BLOCK_BLOCK_OF_REDSTONE:
-			case E_BLOCK_ACTIVE_COMPARATOR:
-			{
-				return true;
-			}
-			default: return false;
-		}
-	}
 
-	/** Returns if a block is any sort of redstone device */
-	inline static bool IsRedstone(BLOCKTYPE Block)
-	{
-		switch (Block)
-		{
-			// All redstone devices, please alpha sort
-			case E_BLOCK_ACTIVATOR_RAIL:
-			case E_BLOCK_ACTIVE_COMPARATOR:
-			case E_BLOCK_BLOCK_OF_REDSTONE:
-			case E_BLOCK_COMMAND_BLOCK:
-			case E_BLOCK_DETECTOR_RAIL:
-			case E_BLOCK_DISPENSER:
-			case E_BLOCK_DAYLIGHT_SENSOR:
-			case E_BLOCK_DROPPER:
-			case E_BLOCK_FENCE_GATE:
-			case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
-			case E_BLOCK_HOPPER:
-			case E_BLOCK_INACTIVE_COMPARATOR:
-			case E_BLOCK_IRON_DOOR:
-			case E_BLOCK_LEVER:
-			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
-			case E_BLOCK_NOTE_BLOCK:
-			case E_BLOCK_POWERED_RAIL:
-			case E_BLOCK_REDSTONE_LAMP_OFF:
-			case E_BLOCK_REDSTONE_LAMP_ON:
-			case E_BLOCK_REDSTONE_REPEATER_OFF:
-			case E_BLOCK_REDSTONE_REPEATER_ON:
-			case E_BLOCK_REDSTONE_TORCH_OFF:
-			case E_BLOCK_REDSTONE_TORCH_ON:
-			case E_BLOCK_REDSTONE_WIRE:
-			case E_BLOCK_STICKY_PISTON:
-			case E_BLOCK_STONE_BUTTON:
-			case E_BLOCK_STONE_PRESSURE_PLATE:
-			case E_BLOCK_TNT:
-			case E_BLOCK_TRAPDOOR:
-			case E_BLOCK_TRIPWIRE_HOOK:
-			case E_BLOCK_WOODEN_BUTTON:
-			case E_BLOCK_WOODEN_DOOR:
-			case E_BLOCK_WOODEN_PRESSURE_PLATE:
-			case E_BLOCK_PISTON:
-			{
-				 return true;
-			}
-			default: return false;
-		}
-	}
-};
+} ;
diff --git a/src/Simulator/SandSimulator.cpp b/src/Simulator/SandSimulator.cpp
index 87fb83357..f305ba61a 100644
--- a/src/Simulator/SandSimulator.cpp
+++ b/src/Simulator/SandSimulator.cpp
@@ -158,8 +158,10 @@ bool cSandSimulator::CanContinueFallThrough(BLOCKTYPE a_BlockType)
 		case E_BLOCK_DETECTOR_RAIL:
 		case E_BLOCK_FIRE:
 		case E_BLOCK_FLOWER_POT:
+		case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
 		case E_BLOCK_LAVA:
 		case E_BLOCK_LEVER:
+		case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
 		case E_BLOCK_MINECART_TRACKS:
 		case E_BLOCK_MELON_STEM:
 		case E_BLOCK_POWERED_RAIL:
diff --git a/src/Simulator/Simulator.cpp b/src/Simulator/Simulator.cpp
index 06fd0f858..0739f0187 100644
--- a/src/Simulator/Simulator.cpp
+++ b/src/Simulator/Simulator.cpp
@@ -3,7 +3,6 @@
 
 #include "Simulator.h"
 #include "../World.h"
-#include "../Vector3i.h"
 #include "../BlockID.h"
 #include "../Defines.h"
 #include "../Chunk.h"
diff --git a/src/Simulator/Simulator.h b/src/Simulator/Simulator.h
index a25b7f1b6..a2e2a5742 100644
--- a/src/Simulator/Simulator.h
+++ b/src/Simulator/Simulator.h
@@ -1,7 +1,7 @@
 
 #pragma once
 
-#include "../Vector3i.h"
+#include "../Vector3.h"
 #include "inifile/iniFile.h"
 
 
diff --git a/src/Simulator/VanillaFluidSimulator.cpp b/src/Simulator/VanillaFluidSimulator.cpp
new file mode 100644
index 000000000..78aff9d68
--- /dev/null
+++ b/src/Simulator/VanillaFluidSimulator.cpp
@@ -0,0 +1,150 @@
+
+// VanillaFluidSimulator.cpp
+
+#include "Globals.h"
+
+#include "VanillaFluidSimulator.h"
+#include "../World.h"
+#include "../Chunk.h"
+#include "../BlockArea.h"
+#include "../Blocks/BlockHandler.h"
+#include "../BlockInServerPluginInterface.h"
+
+
+
+
+
+static const int InfiniteCost = 100;
+
+
+
+
+
+cVanillaFluidSimulator::cVanillaFluidSimulator(
+	cWorld & a_World,
+	BLOCKTYPE a_Fluid,
+	BLOCKTYPE a_StationaryFluid,
+	NIBBLETYPE a_Falloff,
+	int a_TickDelay,
+	int a_NumNeighborsForSource
+) : super(a_World, a_Fluid, a_StationaryFluid, a_Falloff, a_TickDelay, a_NumNeighborsForSource)
+{
+}
+
+
+
+
+
+void cVanillaFluidSimulator::Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta)
+{
+	int Cost[4];
+	Cost[0] = CalculateFlowCost(a_Chunk, a_RelX + 1, a_RelY, a_RelZ,     X_PLUS);
+	Cost[1] = CalculateFlowCost(a_Chunk, a_RelX - 1, a_RelY, a_RelZ,     X_MINUS);
+	Cost[2] = CalculateFlowCost(a_Chunk, a_RelX,     a_RelY, a_RelZ + 1, Z_PLUS);
+	Cost[3] = CalculateFlowCost(a_Chunk, a_RelX,     a_RelY, a_RelZ - 1, Z_MINUS);
+
+	int MinCost = InfiniteCost;
+	for (unsigned int i = 0; i < ARRAYCOUNT(Cost); ++i)
+	{
+		if (Cost[i] < MinCost)
+		{
+			MinCost = Cost[i];
+		}
+	}
+
+	if (Cost[0] == MinCost)
+	{
+		SpreadToNeighbor(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, a_NewMeta);
+	}
+	if (Cost[1] == MinCost)
+	{
+		SpreadToNeighbor(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, a_NewMeta);
+	}
+	if (Cost[2] == MinCost)
+	{
+		SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, a_NewMeta);
+	}
+	if (Cost[3] == MinCost)
+	{
+		SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, a_NewMeta);
+	}
+}
+
+
+
+
+
+int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, Direction a_Dir, unsigned a_Iteration)
+{
+	int Cost = InfiniteCost;
+
+	BLOCKTYPE BlockType;
+	NIBBLETYPE BlockMeta;
+
+	// Check if block is passable
+	if (!a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ, BlockType, BlockMeta))
+	{
+		return Cost;
+	}
+	if (!IsPassableForFluid(BlockType) && !IsBlockLiquid(BlockType))
+	{
+		return Cost;
+	}
+
+	// Check if block below is passable
+	if (!a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY - 1, a_RelZ, BlockType, BlockMeta))
+	{
+		return Cost;
+	}
+	if (IsPassableForFluid(BlockType) || IsBlockLiquid(BlockType))
+	{
+		// Path found, exit
+		return a_Iteration;
+	}
+
+	// 5 blocks away, bail out
+	if (a_Iteration > 3)
+	{
+		return Cost;
+	}
+
+	// Recurse
+	if (a_Dir != X_MINUS)
+	{
+		int NextCost = CalculateFlowCost(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, X_PLUS, a_Iteration + 1);
+		if (NextCost < Cost)
+		{
+			Cost = NextCost;
+		}
+	}
+	if (a_Dir != X_PLUS)
+	{
+		int NextCost = CalculateFlowCost(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, X_MINUS, a_Iteration + 1);
+		if (NextCost < Cost)
+		{
+			Cost = NextCost;
+		}
+	}
+	if (a_Dir != Z_MINUS)
+	{
+		int NextCost = CalculateFlowCost(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, Z_PLUS, a_Iteration + 1);
+		if (NextCost < Cost)
+		{
+			Cost = NextCost;
+		}
+	}
+	if (a_Dir != Z_PLUS)
+	{
+		int NextCost = CalculateFlowCost(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, Z_MINUS, a_Iteration + 1);
+		if (NextCost < Cost)
+		{
+			Cost = NextCost;
+		}
+	}
+
+	return Cost;
+}
+
+
+
+
diff --git a/src/Simulator/VanillaFluidSimulator.h b/src/Simulator/VanillaFluidSimulator.h
new file mode 100644
index 000000000..a9ea98b5a
--- /dev/null
+++ b/src/Simulator/VanillaFluidSimulator.h
@@ -0,0 +1,42 @@
+
+// VanillaFluidSimulator.h
+
+
+
+
+
+#pragma once
+
+#include "FloodyFluidSimulator.h"
+
+
+
+
+
+// fwd:
+class cBlockArea;
+
+
+
+
+
+class cVanillaFluidSimulator :
+	public cFloodyFluidSimulator
+{
+	typedef cFloodyFluidSimulator super;
+	
+public:
+	cVanillaFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, NIBBLETYPE a_Falloff, int a_TickDelay, int a_NumNeighborsForSource);
+	
+protected:
+	// cFloodyFluidSimulator overrides:
+	virtual void Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta) override;
+
+	/** Recursively calculates the minimum number of blocks needed to descend a level. */
+	int CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, Direction a_Dir, unsigned a_Iteration = 0);
+
+} ;
+
+
+
+