12 files changed, 478 insertions, 248 deletions

diff --git a/src/Simulator/DelayedFluidSimulator.cpp b/src/Simulator/DelayedFluidSimulator.cpp
index 5ff736231..59ea51aa0 100644
--- a/src/Simulator/DelayedFluidSimulator.cpp
+++ b/src/Simulator/DelayedFluidSimulator.cpp
@@ -14,7 +14,7 @@
 
 
 
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 // cDelayedFluidSimulatorChunkData::cSlot
 
 bool cDelayedFluidSimulatorChunkData::cSlot::Add(int a_RelX, int a_RelY, int a_RelZ)
@@ -40,7 +40,7 @@ bool cDelayedFluidSimulatorChunkData::cSlot::Add(int a_RelX, int a_RelY, int a_R
 
 
 
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 // cDelayedFluidSimulatorChunkData:
 
 cDelayedFluidSimulatorChunkData::cDelayedFluidSimulatorChunkData(int a_TickDelay) :
@@ -62,7 +62,7 @@ cDelayedFluidSimulatorChunkData::~cDelayedFluidSimulatorChunkData()
 
 
 
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 // cDelayedFluidSimulator:
 
 cDelayedFluidSimulator::cDelayedFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, int a_TickDelay) :
@@ -131,7 +131,7 @@ void cDelayedFluidSimulator::Simulate(float a_Dt)
 
 
 void cDelayedFluidSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
-{	
+{
 	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
 	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
 	cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_SimSlotNum];
diff --git a/src/Simulator/DelayedFluidSimulator.h b/src/Simulator/DelayedFluidSimulator.h
index c81500741..8a6c26c7a 100644
--- a/src/Simulator/DelayedFluidSimulator.h
+++ b/src/Simulator/DelayedFluidSimulator.h
@@ -50,7 +50,7 @@ class cDelayedFluidSimulator :
 {
 	typedef cFluidSimulator super;
 
-public:	
+public:
 	cDelayedFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, int a_TickDelay);
 	
 	// cSimulator overrides:
@@ -70,7 +70,7 @@ protected:
 	/*
 	Slots:
 	| 0 | 1 | ... | m_AddSlotNum | m_SimSlotNum | ... | m_TickDelay - 1 |
-	        adding blocks here ^ | ^ simulating here
+	|       adding blocks here ^ | ^ simulating here
 	*/
 	
 	/// Called from SimulateChunk() to simulate each block in one slot of blocks. Descendants override this method to provide custom simulation.
diff --git a/src/Simulator/FireSimulator.cpp b/src/Simulator/FireSimulator.cpp
index 311f8b4c4..9433a8c68 100644
--- a/src/Simulator/FireSimulator.cpp
+++ b/src/Simulator/FireSimulator.cpp
@@ -63,7 +63,7 @@ static const struct
 
 
 
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 // cFireSimulator:
 
 cFireSimulator::cFireSimulator(cWorld & a_World, cIniFile & a_IniFile) :
@@ -306,14 +306,14 @@ void cFireSimulator::TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int
 				// No need to check the coords for equality with the parent block,
 				// it cannot catch fire anyway (because it's not an air block)
 				
-				if (m_World.GetTickRandomNumber(MAX_CHANCE_FLAMMABILITY) > m_Flammability) 
+				if (m_World.GetTickRandomNumber(MAX_CHANCE_FLAMMABILITY) > m_Flammability)
 				{
 					continue;
 				}
 				
 				// Start the fire in the neighbor {x, y, z}
 				/*
-				FLOG("FS: Trying to start fire at {%d, %d, %d}.", 
+				FLOG("FS: Trying to start fire at {%d, %d, %d}.",
 					x + a_Chunk->GetPosX() * cChunkDef::Width, y, z + a_Chunk->GetPosZ() * cChunkDef::Width
 				);
 				*/
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index e95af3a1c..2c5c4b658 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -48,7 +48,7 @@ cFloodyFluidSimulator::cFloodyFluidSimulator(
 
 void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
 {
-	FLOG("Simulating block {%d, %d, %d}: block %d, meta %d", 
+	FLOG("Simulating block {%d, %d, %d}: block %d, meta %d",
 		a_Chunk->GetPosX() * cChunkDef::Width + a_RelX, a_RelY, a_Chunk->GetPosZ() * cChunkDef::Width + a_RelZ,
 		a_Chunk->GetBlock(a_RelX, a_RelY, a_RelZ),
 		a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ)
@@ -217,14 +217,20 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 {
 	ASSERT(a_NewMeta <= 8);  // Invalid meta values
 	ASSERT(a_NewMeta > 0);  // Source blocks aren't spread
-	
-	BLOCKTYPE BlockType;
-	NIBBLETYPE BlockMeta;
-	if (!a_NearChunk->UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ, BlockType, BlockMeta))
+
+	a_NearChunk = a_NearChunk->GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
+	if ((a_NearChunk == NULL) || (!a_NearChunk->IsValid()))
 	{
 		// Chunk not available
 		return;
 	}
+
+	const int BlockX = a_NearChunk->GetPosX() * cChunkDef::Width + a_RelX;
+	const int BlockZ = a_NearChunk->GetPosZ() * cChunkDef::Width + a_RelZ;
+	
+	BLOCKTYPE BlockType;
+	NIBBLETYPE BlockMeta;
+	a_NearChunk->GetBlockTypeMeta(a_RelX, a_RelY, a_RelZ, BlockType, BlockMeta);
 	
 	if (IsAllowedBlock(BlockType))
 	{
@@ -242,19 +248,13 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		{
 			// Lava flowing into water, change to stone / cobblestone based on direction:
 			BLOCKTYPE NewBlock = (a_NewMeta == 8) ? E_BLOCK_STONE : E_BLOCK_COBBLESTONE;
-			FLOG("  Lava flowing into water, turning water at rel {%d, %d, %d} into stone", 
+			FLOG("  Lava flowing into water, turning water at rel {%d, %d, %d} into stone",
 				a_RelX, a_RelY, a_RelZ,
 				ItemTypeToString(NewBlock).c_str()
 			);
-			a_NearChunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
+			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
-			int BaseX = a_NearChunk->GetPosX() * cChunkDef::Width;
-			int BaseZ = a_NearChunk->GetPosZ() * cChunkDef::Width;
-
-			BaseX += a_RelX;
-			BaseZ += a_RelZ;
-
-			a_NearChunk->BroadcastSoundEffect("random.fizz", BaseX * 8, a_RelY * 8, BaseZ * 8, 0.5f, 1.5f);
+			a_NearChunk->BroadcastSoundEffect("random.fizz", (double)BlockX, (double)a_RelY, (double)BlockZ, 0.5f, 1.5f);
 			return;
 		}
 	}
@@ -264,18 +264,12 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		{
 			// Water flowing into lava, change to cobblestone / obsidian based on dest block:
 			BLOCKTYPE NewBlock = (BlockMeta == 0) ? E_BLOCK_OBSIDIAN : E_BLOCK_COBBLESTONE;
-			FLOG("  Water flowing into lava, turning lava at rel {%d, %d, %d} into %s", 
+			FLOG("  Water flowing into lava, turning lava at rel {%d, %d, %d} into %s",
 				a_RelX, a_RelY, a_RelZ, ItemTypeToString(NewBlock).c_str()
 			);
-			a_NearChunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
-
-			int BaseX = a_NearChunk->GetPosX() * cChunkDef::Width;
-			int BaseZ = a_NearChunk->GetPosZ() * cChunkDef::Width;
-
-			BaseX += a_RelX;
-			BaseZ += a_RelZ;
+			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
-			a_NearChunk->BroadcastSoundEffect("random.fizz", BaseX * 8, a_RelY * 8, BaseZ * 8, 0.5f, 1.5f);
+			a_NearChunk->BroadcastSoundEffect("random.fizz", (double)BlockX, (double)a_RelY, (double)BlockZ, 0.5f, 1.5f);
 			return;
 		}
 	}
@@ -302,22 +296,18 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 				ChunkInterface,
 				m_World,
 				PluginInterface,
-				NULL, 
-				a_NearChunk->GetPosX() * cChunkDef::Width + a_RelX, 
+				NULL,
+				BlockX,
 				a_RelY,
-				a_NearChunk->GetPosZ() * cChunkDef::Width + a_RelZ
+				BlockZ
 			);
 		}
 	}  // if (CanWashAway)
-	
+
 	// Spread:
-	FLOG("  Spreading to {%d, %d, %d} with meta %d", 
-		a_NearChunk->GetPosX() * cChunkDef::Width + a_RelX,
-		a_RelY,
-		a_NearChunk->GetPosZ() * cChunkDef::Width + a_RelZ,
-		a_NewMeta
-	);
-	a_NearChunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
+	FLOG("  Spreading to {%d, %d, %d} with meta %d", BlockX, a_RelY, BlockZ, a_NewMeta);
+	a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
+	m_World.GetSimulatorManager()->WakeUp(BlockX, a_RelY, BlockZ, a_NearChunk);
 
 	HardenBlock(a_NearChunk, a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
 }
@@ -409,13 +399,13 @@ bool cFloodyFluidSimulator::HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY
 		if (a_Meta == 0)
 		{
 			// Source lava block
-			a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_OBSIDIAN, 0);
+			a_Chunk->SetBlock(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);
+			a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_COBBLESTONE, 0);
 			return true;
 		}
 	}
diff --git a/src/Simulator/FluidSimulator.cpp b/src/Simulator/FluidSimulator.cpp
index f64955cb2..499e204a1 100644
--- a/src/Simulator/FluidSimulator.cpp
+++ b/src/Simulator/FluidSimulator.cpp
@@ -125,31 +125,31 @@ Direction cFluidSimulator::GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a
 		return NONE;
 	}
 	BLOCKTYPE BlockID = m_World.GetBlock(a_X, a_Y, a_Z);
-	if (!IsAllowedBlock(BlockID))	// No Fluid -> No Flowing direction :D
+	if (!IsAllowedBlock(BlockID))  // No Fluid -> No Flowing direction :D
 	{
 		return NONE;
 	}
 
 	/*
 	Disabled because of causing problems and being useless atm
-	char BlockBelow = m_World.GetBlock(a_X, a_Y - 1, a_Z);		//If there is nothing or fluid below it -> dominating flow is down :D
+	char BlockBelow = m_World.GetBlock(a_X, a_Y - 1, a_Z);  // If there is nothing or fluid below it -> dominating flow is down :D
 	if (BlockBelow == E_BLOCK_AIR || IsAllowedBlock(BlockBelow))
 		return Y_MINUS;
 	*/
 
-	NIBBLETYPE LowestPoint = m_World.GetBlockMeta(a_X, a_Y, a_Z);	//Current Block Meta so only lower points will be counted
-	int X = 0, Z = 0;									//Lowest Pos will be stored here
+	NIBBLETYPE LowestPoint = m_World.GetBlockMeta(a_X, a_Y, a_Z);  // Current Block Meta so only lower points will be counted
+	int X = 0, Z = 0;  // Lowest Pos will be stored here
 
-	if (IsAllowedBlock(m_World.GetBlock(a_X, a_Y + 1, a_Z)) && a_Over)		//check for upper block to flow because this also affects the flowing direction
+	if (IsAllowedBlock(m_World.GetBlock(a_X, a_Y + 1, a_Z)) && a_Over)  // check for upper block to flow because this also affects the flowing direction
 	{
 		return GetFlowingDirection(a_X, a_Y + 1, a_Z, false);
 	}
 
 	std::vector< Vector3i * > Points;
 
-	Points.reserve(4);	//Already allocate 4 places :D
+	Points.reserve(4);  // Already allocate 4 places :D
 
-	//add blocks around the checking pos
+	// add blocks around the checking pos
 	Points.push_back(new Vector3i(a_X - 1, a_Y, a_Z));
 	Points.push_back(new Vector3i(a_X + 1, a_Y, a_Z));
 	Points.push_back(new Vector3i(a_X, a_Y, a_Z + 1));
@@ -172,7 +172,7 @@ Direction cFluidSimulator::GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a
 		}
 		else if(BlockID == E_BLOCK_AIR)
 		{
-			LowestPoint = 9;		//This always dominates
+			LowestPoint = 9;  // This always dominates
 			X = Pos->x;
 			Z = Pos->z;
 		
diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp
index 10446a879..3dd6417dc 100644
--- a/src/Simulator/IncrementalRedstoneSimulator.cpp
+++ b/src/Simulator/IncrementalRedstoneSimulator.cpp
@@ -2,8 +2,10 @@
 #include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
 #include "IncrementalRedstoneSimulator.h"
+#include "BoundingBox.h"
 #include "../BlockEntities/DropSpenserEntity.h"
 #include "../BlockEntities/NoteEntity.h"
+#include "../BlockEntities/ChestEntity.h"
 #include "../BlockEntities/CommandBlockEntity.h"
 #include "../Entities/TNTEntity.h"
 #include "../Entities/Pickup.h"
@@ -12,10 +14,11 @@
 #include "../Blocks/BlockButton.h"
 #include "../Blocks/BlockLever.h"
 #include "../Blocks/BlockPiston.h"
+#include "../Blocks/BlockTripwireHook.h"
+
 
 
 
-	
 
 cIncrementalRedstoneSimulator::cIncrementalRedstoneSimulator(cWorld & a_World) :
 	super(a_World),
@@ -56,17 +59,19 @@ void cIncrementalRedstoneSimulator::RedstoneAddBlock(int a_BlockX, int a_BlockY,
 	// Use that Chunk pointer to get a relative position
 
 	int RelX = 0;
-	int RelZ = 0;	
+	int RelZ = 0;
 	BLOCKTYPE Block;
 	NIBBLETYPE Meta;
-	cChunk * OtherChunk = a_Chunk;
 
 	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);
-		OtherChunk = a_OtherChunk;
+
+		// If a_OtherChunk is passed (not NULL), it is the chunk that had a block change, and a_Chunk will be the neighbouring chunk of that block
+		// Because said neighbouring chunk does not know of this change but still needs to update its redstone, we set it to dirty
+		a_Chunk->SetIsRedstoneDirty(true);
 	}
 	else
 	{
@@ -91,43 +96,21 @@ void cIncrementalRedstoneSimulator::RedstoneAddBlock(int a_BlockX, int a_BlockY,
 		{
 			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);
 			itr = PoweredBlocks->erase(itr);
-			a_Chunk->SetIsRedstoneDirty(true);
-			OtherChunk->SetIsRedstoneDirty(true);
 			continue;
 		}
 		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_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))
+			((Block == E_BLOCK_TRIPWIRE_HOOK) && ((Meta & 0x08) == 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);
 			itr = PoweredBlocks->erase(itr);
-			a_Chunk->SetIsRedstoneDirty(true);
-			OtherChunk->SetIsRedstoneDirty(true);
 			continue;
 		}
-		else if (Block == E_BLOCK_DAYLIGHT_SENSOR)
-		{
-			if (!m_World.IsChunkLighted(OtherChunk->GetPosX(), OtherChunk->GetPosZ()))
-			{
-				m_World.QueueLightChunk(OtherChunk->GetPosX(), OtherChunk->GetPosZ());
-			}
-			else
-			{
-				if (OtherChunk->GetTimeAlteredLight(OtherChunk->GetSkyLight(RelX, a_BlockY + 1, RelZ)) <= 7)
-				{
-					itr = PoweredBlocks->erase(itr);
-					a_Chunk->SetIsRedstoneDirty(true);
-					OtherChunk->SetIsRedstoneDirty(true);
-					continue;
-				}
-			}
-		}
 		++itr;
 	}
 
@@ -141,23 +124,17 @@ void cIncrementalRedstoneSimulator::RedstoneAddBlock(int a_BlockX, int a_BlockY,
 			{
 				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);
-				a_Chunk->SetIsRedstoneDirty(true);
-				OtherChunk->SetIsRedstoneDirty(true);
 				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))) ||
-				(((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))
+				(((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);
-				a_Chunk->SetIsRedstoneDirty(true);
-				OtherChunk->SetIsRedstoneDirty(true);
 				continue;
 			}
 		}
@@ -167,8 +144,6 @@ void cIncrementalRedstoneSimulator::RedstoneAddBlock(int a_BlockX, int a_BlockY,
 			{
 				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);
-				a_Chunk->SetIsRedstoneDirty(true);
-				OtherChunk->SetIsRedstoneDirty(true);
 				continue;
 			}
 		}
@@ -215,16 +190,16 @@ void cIncrementalRedstoneSimulator::RedstoneAddBlock(int a_BlockX, int a_BlockY,
 	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 ((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
+				itr->DataTwo = true;  // The new blocktype is not redstone; it must be queued to be removed from this list
 			}
 			else
 			{
 				itr->DataTwo = false;
-				itr->Data = Block; // Update block information
+				itr->Data = Block;  // Update block information
 			}
 			return;
 		}
@@ -289,6 +264,9 @@ void cIncrementalRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int
 		switch (dataitr->Data)
 		{
 			case E_BLOCK_DAYLIGHT_SENSOR: HandleDaylightSensor(dataitr->x, dataitr->y, dataitr->z); break;
+			case E_BLOCK_TRIPWIRE:        HandleTripwire(dataitr->x, dataitr->y, dataitr->z);       break;
+			case E_BLOCK_TRIPWIRE_HOOK:   HandleTripwireHook(dataitr->x, dataitr->y, dataitr->z);   break;
+
 			case E_BLOCK_WOODEN_PRESSURE_PLATE:
 			case E_BLOCK_STONE_PRESSURE_PLATE:
 			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
@@ -303,7 +281,7 @@ void cIncrementalRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int
 		if (ShouldUpdateSimulateOnceBlocks)
 		{
 			switch (dataitr->Data)
-			{				
+			{
 				case E_BLOCK_REDSTONE_WIRE:         HandleRedstoneWire(dataitr->x, dataitr->y, dataitr->z);	  break;
 				case E_BLOCK_COMMAND_BLOCK:         HandleCommandBlock(dataitr->x, dataitr->y, dataitr->z);   break;
 				case E_BLOCK_NOTE_BLOCK:            HandleNoteBlock(dataitr->x, dataitr->y, dataitr->z);      break;
@@ -312,6 +290,7 @@ void cIncrementalRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int
 				case E_BLOCK_FENCE_GATE:            HandleFenceGate(dataitr->x, dataitr->y, dataitr->z);      break;
 				case E_BLOCK_TNT:                   HandleTNT(dataitr->x, dataitr->y, dataitr->z);            break;
 				case E_BLOCK_TRAPDOOR:              HandleTrapdoor(dataitr->x, dataitr->y, dataitr->z);       break;
+				case E_BLOCK_TRAPPED_CHEST:         HandleTrappedChest(dataitr->x, dataitr->y, dataitr->z);   break;
 
 				case E_BLOCK_ACTIVATOR_RAIL:
 				case E_BLOCK_DETECTOR_RAIL:
@@ -374,18 +353,13 @@ void cIncrementalRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int
 
 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
+	if (AreCoordsOnChunkBoundary(a_BlockX, a_BlockY, a_BlockZ))
 	{
 		// 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 to pass both the neighbouring chunk and the chunk which the coordinates 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);
@@ -404,7 +378,7 @@ void cIncrementalRedstoneSimulator::WakeUp(int a_BlockX, int a_BlockY, int a_Blo
 
 void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, BLOCKTYPE a_MyState)
 {
-	static const struct // Define which directions the torch can power
+	static const struct  // Define which directions the torch can power
 	{
 		int x, y, z;
 	} gCrossCoords[] =
@@ -418,11 +392,17 @@ void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_RelBlockX, int a_R
 
 	if (a_MyState == E_BLOCK_REDSTONE_TORCH_ON)
 	{
-		// Check if the block the torch is on is powered		
+		// Check if the block the torch is on is powered
 		int X = a_RelBlockX; int Y = a_RelBlockY; int Z = a_RelBlockZ;
-		AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ)), true); // Inverse true to get the block torch is on
+		AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ)), true);  // Inverse true to get the block torch is on
+
+		cChunk * Neighbour = m_Chunk->GetRelNeighborChunk(X, Z);
+		if ((Neighbour == NULL) || !Neighbour->IsValid())
+		{
+			return;
+		}
 
-		if (AreCoordsDirectlyPowered(X, Y, Z))
+		if (AreCoordsDirectlyPowered(X, Y, Z, Neighbour))
 		{
 			// There was a match, torch goes off
 			m_Chunk->SetBlock(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_BLOCK_REDSTONE_TORCH_OFF, m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ));
@@ -437,11 +417,11 @@ void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_RelBlockX, int a_R
 			{
 				continue;
 			}
-			if (i + 1 < ARRAYCOUNT(gCrossCoords)) // Sides of torch, not top (top is last)
+			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_RelBlockX + gCrossCoords[i].x, a_RelBlockY + gCrossCoords[i].y, a_RelBlockZ + gCrossCoords[i].z).Equals(Vector3i(X, Y, Z))) // CAN'T power block is that it is on
+					IsMechanism(Type) &&  // Is it a mechanism? Not block/other torch etc.
+					(!Vector3i(a_RelBlockX + gCrossCoords[i].x, a_RelBlockY + gCrossCoords[i].y, a_RelBlockZ + gCrossCoords[i].z).Equals(Vector3i(X, Y, Z)))  // CAN'T power block is that it is on
 					)
 				{
 					SetBlockPowered(a_RelBlockX + gCrossCoords[i].x, a_RelBlockY + gCrossCoords[i].y, a_RelBlockZ + gCrossCoords[i].z, a_RelBlockX, a_RelBlockY, a_RelBlockZ);
@@ -456,11 +436,11 @@ void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_RelBlockX, int a_R
 			}
 		}
 
-		if (m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) != 0x5) // Is torch standing on ground? If NOT (i.e. on wall), power block beneath
+		if (m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) != 0x5)  // Is torch standing on ground? If NOT (i.e. on wall), power block beneath
 		{
 			BLOCKTYPE Type = m_Chunk->GetBlock(a_RelBlockX, a_RelBlockY - 1, a_RelBlockZ);
 
-			if ((IsMechanism(Type)) || (Type == E_BLOCK_REDSTONE_WIRE)) // Still can't make a normal block powered though!
+			if (IsMechanism(Type))  // Still can't make a normal block powered though!
 			{
 				SetBlockPowered(a_RelBlockX, a_RelBlockY - 1, a_RelBlockZ, a_RelBlockX, a_RelBlockY, a_RelBlockZ);
 			}
@@ -468,14 +448,20 @@ void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_RelBlockX, int a_R
 	}
 	else
 	{
-		// Check if the block the torch is on is powered		
+		// Check if the block the torch is on is powered
 		int X = a_RelBlockX; int Y = a_RelBlockY; int Z = a_RelBlockZ;
-		AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ)), true); // Inverse true to get the block torch is on
-
+		AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ)), true);  // Inverse true to get the block torch is on
+		
+		cChunk * Neighbour = m_Chunk->GetRelNeighborChunk(X, Z);
+		if ((Neighbour == NULL) || !Neighbour->IsValid())
+		{
+			return;
+		}
+		
 		// See if off state torch can be turned on again
-		if (AreCoordsDirectlyPowered(X, Y, Z))
+		if (AreCoordsDirectlyPowered(X, Y, Z, Neighbour))
 		{
-			return; // Something matches, torch still powered
+			return;  // Something matches, torch still powered
 		}
 
 		// Block torch on not powered, can be turned on again!
@@ -490,7 +476,7 @@ void cIncrementalRedstoneSimulator::HandleRedstoneTorch(int a_RelBlockX, int a_R
 void cIncrementalRedstoneSimulator::HandleRedstoneBlock(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
 {
 	SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
-	SetBlockPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_RelBlockX, a_RelBlockY, a_RelBlockZ); // Set self as powered
+	SetBlockPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_RelBlockX, a_RelBlockY, a_RelBlockZ);  // Set self as powered
 }
 
 
@@ -571,7 +557,7 @@ void cIncrementalRedstoneSimulator::HandleRedstoneButton(int a_RelBlockX, int a_
 
 void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
 {
-	static const struct // Define which directions the wire can receive power from
+	static const struct  // Define which directions the wire can receive power from
 	{
 		int x, y, z;
 	} gCrossCoords[] =
@@ -590,7 +576,7 @@ void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_RelBlockX, int a_Re
 		{ 0,-1, -1}, /* Wires one lower, surrounding self stop */
 	} ;
 
-	static const struct // Define which directions the wire will check for repeater prescence
+	static const struct  // Define which directions the wire will check for repeater prescence
 	{
 		int x, y, z;
 	} gSideCoords[] =
@@ -622,9 +608,9 @@ void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_RelBlockX, int a_Re
 
 	MyPower--;
 
-	for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through all directions to transfer or receive power
+	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 ((i >= 4) && (i <= 7))  // If we are currently checking for wire surrounding ourself one block above...
 		{
 			BLOCKTYPE Type = 0;
 			if (a_RelBlockY + 1 >= cChunkDef::Height)
@@ -635,12 +621,12 @@ void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_RelBlockX, int a_Re
 			{
 				continue;
 			}
-			if (cBlockInfo::IsSolid(Type)) // If there is something solid above us (wire cut off)...
+			if (cBlockInfo::IsSolid(Type))  // If there is something solid above us (wire cut off)...
 			{
-				continue; // We don't receive power from that wire
+				continue;  // We don't receive power from that wire
 			}
 		}
-		else if ((i >= 8) && (i <= 11)) // See above, but this is for wire below us
+		else if ((i >= 8) && (i <= 11))  // See above, but this is for wire below us
 		{
 			BLOCKTYPE Type = 0;
 			if (!m_Chunk->UnboundedRelGetBlockType(a_RelBlockX + gCrossCoords[i].x, a_RelBlockY, a_RelBlockZ + gCrossCoords[i].z, Type))
@@ -664,7 +650,7 @@ void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_RelBlockX, int a_Re
 		}
 	}
 
-	for (size_t i = 0; i < ARRAYCOUNT(gSideCoords); i++) // Look for repeaters immediately surrounding self and try to power them
+	for (size_t i = 0; i < ARRAYCOUNT(gSideCoords); i++)  // Look for repeaters immediately surrounding self and try to power them
 	{
 		BLOCKTYPE Type = 0;
 		if (!m_Chunk->UnboundedRelGetBlockType(a_RelBlockX + gSideCoords[i].x, a_RelBlockY + gSideCoords[i].y, a_RelBlockZ + gSideCoords[i].z, Type))
@@ -738,7 +724,7 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeater(int a_RelBlockX, int
 
 	X Axis ---->
 
-	Repeater directions, values from a cWorld::GetBlockMeta(a_RelBlockX , a_RelBlockY, a_RelBlockZ) lookup:
+	Repeater directions, values from a cWorld::GetBlockMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) lookup:
 
 	East (Right) (X+): 0x1
 	West (Left) (X-): 0x3
@@ -753,15 +739,15 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeater(int a_RelBlockX, int
 	// Create a variable holding my meta to avoid multiple lookups.
 	NIBBLETYPE a_Meta = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
 	bool IsOn = (a_MyState == E_BLOCK_REDSTONE_REPEATER_ON);
-    
-	if (!IsRepeaterLocked(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_Meta)) // If we're locked, change nothing. Otherwise:
+
+	if (!IsRepeaterLocked(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_Meta))  // If we're locked, change nothing. Otherwise:
 	{
 		bool IsSelfPowered = IsRepeaterPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_Meta);
-		if (IsSelfPowered && !IsOn) // Queue a power change if powered, but not on and not locked.
+		if (IsSelfPowered && !IsOn)  // Queue a power change if powered, but not on and not locked.
 		{
 			QueueRepeaterPowerChange(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_Meta, true);
 		}
-		else if (!IsSelfPowered && IsOn) // Queue a power change if unpowered, on, and not locked.
+		else if (!IsSelfPowered && IsOn)  // Queue a power change if unpowered, on, and not locked.
 		{
 			QueueRepeaterPowerChange(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_Meta, false);
 		}
@@ -772,19 +758,22 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeaterDelays()
 {
 	for (RepeatersDelayList::iterator itr = m_RepeatersDelayList->begin(); itr != m_RepeatersDelayList->end();)
 	{
-
-		if (itr->a_ElapsedTicks >= itr->a_DelayTicks) // Has the elapsed ticks reached the target ticks?
+		if (itr->a_ElapsedTicks >= itr->a_DelayTicks)  // Has the elapsed ticks reached the target ticks?
 		{
 			int RelBlockX = itr->a_RelBlockPos.x;
 			int RelBlockY = itr->a_RelBlockPos.y;
 			int RelBlockZ = itr->a_RelBlockPos.z;
-			NIBBLETYPE Meta = m_Chunk->GetMeta(RelBlockX, RelBlockY, RelBlockZ);
+			BLOCKTYPE Block;
+			NIBBLETYPE Meta;
+			m_Chunk->GetBlockTypeMeta(RelBlockX, RelBlockY, RelBlockZ, Block, Meta);
 			if (itr->ShouldPowerOn)
 			{
-		
-				m_Chunk->SetBlock(itr->a_RelBlockPos, E_BLOCK_REDSTONE_REPEATER_ON, Meta); // For performance
+				if (Block != E_BLOCK_REDSTONE_REPEATER_ON)  // For performance
+				{
+					m_Chunk->SetBlock(itr->a_RelBlockPos, E_BLOCK_REDSTONE_REPEATER_ON, Meta);
+				}
 
-				switch (Meta & 0x3) // We only want the direction (bottom) bits
+				switch (Meta & 0x3)  // We only want the direction (bottom) bits
 				{
 					case 0x0:
 					{
@@ -812,7 +801,7 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeaterDelays()
 					}
 				}
 			}
-			else
+			else if (Block != E_BLOCK_REDSTONE_REPEATER_OFF)
 			{
 				m_Chunk->SetBlock(RelBlockX, RelBlockY, RelBlockZ, E_BLOCK_REDSTONE_REPEATER_OFF, Meta);
 			}
@@ -820,9 +809,6 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeaterDelays()
 		}
 		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_RelBlockPos.x, itr->a_RelBlockPos.y, itr->a_RelBlockPos.z, itr->a_ElapsedTicks, itr->a_DelayTicks);
 			itr->a_ElapsedTicks++;
 			itr++;
@@ -835,11 +821,11 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeaterDelays()
 
 
 void cIncrementalRedstoneSimulator::HandlePiston(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
-{	
+{
 	int BlockX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelBlockX;
 	int BlockZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelBlockZ;
 
-	if (IsPistonPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) & 0x7)) // We only want the bottom three bits (4th controls extended-ness)
+	if (IsPistonPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) & 0x7))  // We only want the bottom three bits (4th controls extended-ness)
 	{
 		cBlockPistonHandler::ExtendPiston(BlockX, a_RelBlockY, BlockZ, &m_World);
 	}
@@ -907,7 +893,7 @@ void cIncrementalRedstoneSimulator::HandleTNT(int a_RelBlockX, int a_RelBlockY,
 
 	if (AreCoordsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ))
 	{
-		m_Chunk->BroadcastSoundEffect("game.tnt.primed", BlockX * 8, a_RelBlockY * 8, BlockZ * 8, 0.5f, 0.6f);
+		m_Chunk->BroadcastSoundEffect("game.tnt.primed", (double)BlockX, (double)a_RelBlockY, (double)BlockZ, 0.5f, 0.6f);
 		m_Chunk->SetBlock(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_BLOCK_AIR, 0);
 		m_World.SpawnPrimedTNT(BlockX + 0.5, a_RelBlockY + 0.5, BlockZ + 0.5);  // 80 ticks to boom
 	}
@@ -1120,7 +1106,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 		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(BlockX + 0.5f, (float)a_RelBlockY, BlockZ + 0.5f), 0.7f, false);
+			cPlayer * a_Player = m_World.FindClosestPlayer(Vector3f(BlockX + 0.5f, (float)a_RelBlockY, BlockZ + 0.5f), 0.5f, false);
 
 			if (a_Player != NULL)
 			{
@@ -1131,7 +1117,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			else
 			{
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, 0x0);
-				m_World.WakeUpSimulators(BlockX, a_RelBlockY, BlockZ);
+				SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
 			}
 			break;
 		}
@@ -1155,7 +1141,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 					Vector3f BlockPos(m_X + 0.5f, (float)m_Y, m_Z + 0.5f);
 					double Distance = (EntityPos - BlockPos).Length();
 
-					if (Distance <= 0.7)
+					if (Distance <= 0.5)
 					{
 						m_NumberOfEntities++;
 					}
@@ -1177,7 +1163,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			};
 
 			cPressurePlateCallback PressurePlateCallback(BlockX, a_RelBlockY, BlockZ);
-			m_World.ForEachEntity(PressurePlateCallback);
+			m_World.ForEachEntityInChunk(m_Chunk->GetPosX(), m_Chunk->GetPosZ(), PressurePlateCallback);
 
 			unsigned char Power;
 			NIBBLETYPE Meta = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
@@ -1185,7 +1171,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			{
 				if (Meta == E_META_PRESSURE_PLATE_RAISED)
 				{
-					m_Chunk->BroadcastSoundEffect("random.click", (int)((BlockX + 0.5) * 8.0), (int)((a_RelBlockY + 0.1) * 8.0), (int)((BlockZ + 0.5) * 8.0), 0.3F, 0.5F);
+					m_Chunk->BroadcastSoundEffect("random.click", (double)BlockX + 0.5, (double)a_RelBlockY + 0.1, (double)BlockZ + 0.5, 0.3F, 0.5F);
 				}
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_META_PRESSURE_PLATE_DEPRESSED);
 				SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, Power);
@@ -1195,10 +1181,10 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			{
 				if (Meta == E_META_PRESSURE_PLATE_DEPRESSED)
 				{
-					m_Chunk->BroadcastSoundEffect("random.click", (int)((BlockX + 0.5) * 8.0), (int)((a_RelBlockY + 0.1) * 8.0), (int)((BlockZ + 0.5) * 8.0), 0.3F, 0.6F);
+					m_Chunk->BroadcastSoundEffect("random.click", (double)BlockX + 0.5, (double)a_RelBlockY + 0.1, (double)BlockZ + 0.5, 0.3F, 0.6F);
 				}
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_META_PRESSURE_PLATE_RAISED);
-				m_World.WakeUpSimulators(BlockX, a_RelBlockY, BlockZ);
+				SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
 			}
 
 			break;
@@ -1223,7 +1209,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 					Vector3f BlockPos(m_X + 0.5f, (float)m_Y, m_Z + 0.5f);
 					double Distance = (EntityPos - BlockPos).Length();
 
-					if (Distance <= 0.7)
+					if (Distance <= 0.5)
 					{
 						m_NumberOfEntities++;
 					}
@@ -1232,7 +1218,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 
 				bool GetPowerLevel(unsigned char & a_PowerLevel) const
 				{
-					a_PowerLevel = std::min((int)ceil(m_NumberOfEntities / (float)10), MAX_POWER_LEVEL);
+					a_PowerLevel = std::min((int)ceil(m_NumberOfEntities / 10.f), MAX_POWER_LEVEL);
 					return (a_PowerLevel > 0);
 				}
 
@@ -1245,7 +1231,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			};
 
 			cPressurePlateCallback PressurePlateCallback(BlockX, a_RelBlockY, BlockZ);
-			m_World.ForEachEntity(PressurePlateCallback);
+			m_World.ForEachEntityInChunk(m_Chunk->GetPosX(), m_Chunk->GetPosZ(), PressurePlateCallback);
 
 			unsigned char Power;
 			NIBBLETYPE Meta = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
@@ -1253,7 +1239,7 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			{
 				if (Meta == E_META_PRESSURE_PLATE_RAISED)
 				{
-					m_Chunk->BroadcastSoundEffect("random.click", (int)((BlockX + 0.5) * 8.0), (int)((a_RelBlockY + 0.1) * 8.0), (int)((BlockZ + 0.5) * 8.0), 0.3F, 0.5F);
+					m_Chunk->BroadcastSoundEffect("random.click", (double)BlockX + 0.5, (double)a_RelBlockY + 0.1, (double)BlockZ + 0.5, 0.3F, 0.5F);
 				}
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_META_PRESSURE_PLATE_DEPRESSED);
 				SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, Power);
@@ -1263,10 +1249,10 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			{
 				if (Meta == E_META_PRESSURE_PLATE_DEPRESSED)
 				{
-					m_Chunk->BroadcastSoundEffect("random.click", (int)((BlockX + 0.5) * 8.0), (int)((a_RelBlockY + 0.1) * 8.0), (int)((BlockZ + 0.5) * 8.0), 0.3F, 0.6F);
+					m_Chunk->BroadcastSoundEffect("random.click", (double)BlockX + 0.5, (double)a_RelBlockY + 0.1, (double)BlockZ + 0.5, 0.3F, 0.6F);
 				}
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_META_PRESSURE_PLATE_RAISED);
-				m_World.WakeUpSimulators(BlockX, a_RelBlockY, BlockZ);
+				SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
 			}
 
 			break;
@@ -1291,10 +1277,10 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 					Vector3f BlockPos(m_X + 0.5f, (float)m_Y, m_Z + 0.5f);
 					double Distance = (EntityPos - BlockPos).Length();
 
-					if (Distance <= 0.7)
+					if (Distance <= 0.5)
 					{
 						m_FoundEntity = true;
-						return true; // Break out, we only need to know for plates that at least one entity is on top
+						return true;  // Break out, we only need to know for plates that at least one entity is on top
 					}
 					return false;
 				}
@@ -1313,14 +1299,14 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			} ;
 
 			cPressurePlateCallback PressurePlateCallback(BlockX, a_RelBlockY, BlockZ);
-			m_World.ForEachEntity(PressurePlateCallback);
+			m_World.ForEachEntityInChunk(m_Chunk->GetPosX(), m_Chunk->GetPosZ(), PressurePlateCallback);
 
 			NIBBLETYPE Meta = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
 			if (PressurePlateCallback.FoundEntity())
 			{
 				if (Meta == E_META_PRESSURE_PLATE_RAISED)
 				{
-					m_Chunk->BroadcastSoundEffect("random.click", (int)((BlockX + 0.5) * 8.0), (int)((a_RelBlockY + 0.1) * 8.0), (int)((BlockZ + 0.5) * 8.0), 0.3F, 0.5F);
+					m_Chunk->BroadcastSoundEffect("random.click", (double)BlockX + 0.5, (double)a_RelBlockY + 0.1, (double)BlockZ + 0.5, 0.3F, 0.5F);
 				}
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_META_PRESSURE_PLATE_DEPRESSED);
 				SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
@@ -1330,10 +1316,10 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 			{
 				if (Meta == E_META_PRESSURE_PLATE_DEPRESSED)
 				{
-					m_Chunk->BroadcastSoundEffect("random.click", (int)((BlockX + 0.5) * 8.0), (int)((a_RelBlockY + 0.1) * 8.0), (int)((BlockZ + 0.5) * 8.0), 0.3F, 0.6F);
+					m_Chunk->BroadcastSoundEffect("random.click", (double)BlockX + 0.5, (double)a_RelBlockY + 0.1, (double)BlockZ + 0.5, 0.3F, 0.6F);
 				}
 				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, E_META_PRESSURE_PLATE_RAISED);
-				m_World.WakeUpSimulators(BlockX, a_RelBlockY, BlockZ);
+				SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
 			}
 			break;
 		}
@@ -1349,20 +1335,190 @@ void cIncrementalRedstoneSimulator::HandlePressurePlate(int a_RelBlockX, int a_R
 
 
 
-bool cIncrementalRedstoneSimulator::AreCoordsDirectlyPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
+void cIncrementalRedstoneSimulator::HandleTripwireHook(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
+{
+	int BlockX = m_Chunk->GetPosX() * cChunkDef::Width + a_RelBlockX;
+	int BlockZ = m_Chunk->GetPosZ() * cChunkDef::Width + a_RelBlockZ;
+	int RelX = a_RelBlockX, RelZ = a_RelBlockZ;
+	bool FoundActivated = false;
+	eBlockFace FaceToGoTowards = cBlockTripwireHookHandler::MetadataToDirection(m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ));
+
+	for (int i = 0; i < 40; ++i)  // Tripwires can be connected up to 40 blocks
+	{
+		BLOCKTYPE Type;
+		NIBBLETYPE Meta;
+
+		AddFaceDirection(RelX, a_RelBlockY, RelZ, FaceToGoTowards);
+		m_Chunk->UnboundedRelGetBlock(RelX, a_RelBlockY, RelZ, Type, Meta);
+
+		if (Type == E_BLOCK_TRIPWIRE)
+		{
+			if (Meta == 0x1)
+			{
+				FoundActivated = true;
+			}
+		}
+		else if (Type == E_BLOCK_TRIPWIRE_HOOK)
+		{
+			if (ReverseBlockFace(cBlockTripwireHookHandler::MetadataToDirection(Meta)) == FaceToGoTowards)
+			{
+				// Other hook facing in opposite direction - circuit completed!
+				break;
+			}
+			else
+			{
+				// Tripwire hook not connected at all, AND away all the power state bits
+				m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) & 0x3);
+				SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
+				return;
+			}
+		}
+		else
+		{
+			// Tripwire hook not connected at all, AND away all the power state bits
+			m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) & 0x3);
+			SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
+			return;
+		}
+	}
+
+	if (FoundActivated)
+	{
+		// Connected and activated, set the 3rd and 4th highest bits
+		m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) | 0xC);
+		SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
+	}
+	else
+	{
+		// Connected but not activated, AND away the highest bit
+		m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, (m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) & 0x7) | 0x4);
+		SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
+	}
+}
+
+
+
+
+
+void cIncrementalRedstoneSimulator::HandleTrappedChest(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
+{
+	class cGetTrappedChestPlayers :
+		public cChestCallback
+	{
+	public:
+		cGetTrappedChestPlayers(void) :
+			m_NumberOfPlayers(0)
+		{
+		}
+
+		virtual bool Item(cChestEntity * a_Chest) override
+		{
+			ASSERT(a_Chest->GetBlockType() == E_BLOCK_TRAPPED_CHEST);
+			m_NumberOfPlayers = a_Chest->GetNumberOfPlayers();
+			return (m_NumberOfPlayers <= 0);
+		}
+
+		unsigned char GetPowerLevel(void) const
+		{
+			return std::min(m_NumberOfPlayers, MAX_POWER_LEVEL);
+		}
+
+	private:
+		int m_NumberOfPlayers;
+
+	} GTCP;
+
+	int BlockX = m_Chunk->GetPosX() * cChunkDef::Width + a_RelBlockX;
+	int BlockZ = m_Chunk->GetPosZ() * cChunkDef::Width + a_RelBlockZ;
+	if (m_Chunk->DoWithChestAt(BlockX, a_RelBlockY, BlockZ, GTCP))
+	{
+		SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, GTCP.GetPowerLevel());
+	}
+	else
+	{
+		SetSourceUnpowered(BlockX, a_RelBlockY, BlockZ, m_Chunk);
+	}
+}
+
+
+
+
+
+void cIncrementalRedstoneSimulator::HandleTripwire(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
 {
+	int BlockX = m_Chunk->GetPosX() * cChunkDef::Width + a_RelBlockX;
+	int BlockZ = m_Chunk->GetPosZ() * cChunkDef::Width + a_RelBlockZ;
+
+	class cTripwireCallback :
+		public cEntityCallback
+	{
+	public:
+		cTripwireCallback(int a_BlockX, int a_BlockY, int a_BlockZ) :
+			m_FoundEntity(false),
+			m_X(a_BlockX),
+			m_Y(a_BlockY),
+			m_Z(a_BlockZ)
+		{
+		}
+
+		virtual bool Item(cEntity * a_Entity) override
+		{
+			cBoundingBox bbWire(m_X, m_X + 1, m_Y, m_Y + 0.1, m_Z, m_Z + 1);
+			cBoundingBox bbEntity(a_Entity->GetPosition(), a_Entity->GetWidth() / 2, a_Entity->GetHeight());
+
+			if (bbEntity.DoesIntersect(bbWire))
+			{
+				m_FoundEntity = true;
+				return true;  // One entity is sufficient to trigger the wire
+			}
+			return false;
+		}
+
+		bool FoundEntity(void) const
+		{
+			return m_FoundEntity;
+		}
+
+	protected:
+		bool m_FoundEntity;
+
+		int m_X;
+		int m_Y;
+		int m_Z;
+	};
+
+	cTripwireCallback TripwireCallback(BlockX, a_RelBlockY, BlockZ);
+	m_World.ForEachEntityInChunk(m_Chunk->GetPosX(), m_Chunk->GetPosZ(), TripwireCallback);
+
+	if (TripwireCallback.FoundEntity())
+	{
+		m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, 0x1);
+	}
+	else
+	{
+		m_Chunk->SetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, 0x0);
+	}
+}
+
+
+
+
+
+bool cIncrementalRedstoneSimulator::AreCoordsDirectlyPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, cChunk * a_Chunk)
+{
+	// Torches want to access neighbour's data when on a wall, hence the extra chunk parameter
+
 	int BlockX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelBlockX;
 	int BlockZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelBlockZ;
 
-	PoweredBlocksList * Powered = m_Chunk->GetNeighborChunk(BlockX, BlockZ)->GetRedstoneSimulatorPoweredBlocksList(); // Torches want to access neighbour's data when on a wall
-	for (PoweredBlocksList::const_iterator itr = Powered->begin(); itr != Powered->end(); ++itr) // Check powered list
+	for (PoweredBlocksList::const_iterator itr = a_Chunk->GetRedstoneSimulatorPoweredBlocksList()->begin(); itr != a_Chunk->GetRedstoneSimulatorPoweredBlocksList()->end(); ++itr)  // Check powered list
 	{
 		if (itr->a_BlockPos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ)))
 		{
 			return true;
 		}
 	}
-	return false;	
+	return false;
 }
 
 
@@ -1374,7 +1530,7 @@ bool cIncrementalRedstoneSimulator::AreCoordsLinkedPowered(int a_RelBlockX, int
 	int BlockX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelBlockX;
 	int BlockZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelBlockZ;
 
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks->begin(); itr != m_LinkedPoweredBlocks->end(); ++itr) // Check linked powered list
+	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks->begin(); itr != m_LinkedPoweredBlocks->end(); ++itr)  // Check linked powered list
 	{
 		if (itr->a_BlockPos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ)))
 		{
@@ -1452,7 +1608,7 @@ bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_RelBlockX, int a_Rel
 			}
 		}
 	}
-	return false; // Couldn't find power source behind repeater
+	return false;  // Couldn't find power source behind repeater
 }
 
 
@@ -1460,8 +1616,8 @@ bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_RelBlockX, int a_Rel
 
 
 bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, NIBBLETYPE a_Meta)
-{	
-	switch (a_Meta & 0x3) // We only want the 'direction' part of our metadata
+{
+	switch (a_Meta & 0x3)  // We only want the 'direction' part of our metadata
 	{
 		// If the repeater is looking up or down (If parallel to the Z axis)
 		case 0x0:
@@ -1469,17 +1625,17 @@ bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_RelBlockX, int a_RelB
 		{
 			// Check if eastern(right) neighbor is a powered on repeater who is facing us
 			BLOCKTYPE Block = 0;
-			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX + 1, a_RelBlockY, a_RelBlockZ, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON)) // Is right neighbor a powered repeater?
+			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX + 1, a_RelBlockY, a_RelBlockZ, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))  // Is right neighbor a powered repeater?
 			{
 				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX + 1, a_RelBlockY, a_RelBlockZ) & 0x3;
-				if (OtherRepeaterDir == 0x3) { return true; } // If so, I am latched/locked
+				if (OtherRepeaterDir == 0x3) { return true; }  // If so, I am latched/locked
 			}
 
 			// Check if western(left) neighbor is a powered on repeater who is facing us
 			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX - 1, a_RelBlockY, a_RelBlockZ, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
 			{
 				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX -1, a_RelBlockY, a_RelBlockZ) & 0x3;
-				if (OtherRepeaterDir == 0x1) { return true; } // If so, I am latched/locked
+				if (OtherRepeaterDir == 0x1) { return true; }  // If so, I am latched/locked
 			}
 
 			break;
@@ -1492,23 +1648,23 @@ bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_RelBlockX, int a_RelB
 			// Check if southern(down) neighbor is a powered on repeater who is facing us
 			BLOCKTYPE Block = 0;
 			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX, a_RelBlockY, a_RelBlockZ + 1, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
-			{ 
+			{
 				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ + 1) & 0x3;
-				if (OtherRepeaterDir == 0x0) { return true; } // If so,  am latched/locked
+				if (OtherRepeaterDir == 0x0) { return true; }  // If so,  am latched/locked
 			}
 			
 			// Check if northern(up) neighbor is a powered on repeater who is facing us
 			if (m_Chunk->UnboundedRelGetBlockType(a_RelBlockX, a_RelBlockY, a_RelBlockZ - 1, Block) && (Block == E_BLOCK_REDSTONE_REPEATER_ON))
-			{ 
+			{
 				NIBBLETYPE OtherRepeaterDir = m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ - 1) & 0x3;
-				if (OtherRepeaterDir == 0x2) { return true; } // If so, I am latched/locked
+				if (OtherRepeaterDir == 0x2) { return true; }  // If so, I am latched/locked
 			}
 
 			break;
 		}
 	}
 
-	return false; // None of the checks succeeded, I am not a locked repeater
+	return false;  // None of the checks succeeded, I am not a locked repeater
 }
 
 
@@ -1549,7 +1705,7 @@ bool cIncrementalRedstoneSimulator::IsPistonPowered(int a_RelBlockX, int a_RelBl
 
 		AddFaceDirection(BlockX, a_RelBlockY, BlockZ, Face, true);
 	}
-	return false; // Source was in front of the piston's front face
+	return false;  // Source was in front of the piston's front face
 }
 
 
@@ -1558,28 +1714,36 @@ bool cIncrementalRedstoneSimulator::IsPistonPowered(int a_RelBlockX, int a_RelBl
 bool cIncrementalRedstoneSimulator::IsWirePowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, unsigned char & a_PowerLevel)
 {
 	a_PowerLevel = 0;
-	int BlockX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelBlockX;
-	int BlockZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelBlockZ;
+	int BlockX = m_Chunk->GetPosX() * cChunkDef::Width + a_RelBlockX;
+	int BlockZ = m_Chunk->GetPosZ() * cChunkDef::Width + a_RelBlockZ;
 
-	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks->begin(); itr != m_PoweredBlocks->end(); ++itr) // Check powered list
+	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks->begin(); itr != m_PoweredBlocks->end(); ++itr)  // Check powered list
 	{
 		if (!itr->a_BlockPos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ)))
 		{
 			continue;
 		}
-		a_PowerLevel = itr->a_PowerLevel;
+		a_PowerLevel = std::max(itr->a_PowerLevel, a_PowerLevel);  // Get the highest power level (a_PowerLevel is initialised already and there CAN be multiple levels for one block)
 	}
 
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks->begin(); itr != m_LinkedPoweredBlocks->end(); ++itr) // Check linked powered list
+	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks->begin(); itr != m_LinkedPoweredBlocks->end(); ++itr)  // Check linked powered list
 	{
 		if (!itr->a_BlockPos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ)))
 		{
 			continue;
 		}
-		a_PowerLevel = itr->a_PowerLevel;
+
+		BLOCKTYPE Type = E_BLOCK_AIR;
+		int RelSourceX = itr->a_SourcePos.x - m_Chunk->GetPosX() * cChunkDef::Width;
+		int RelSourceZ = itr->a_SourcePos.z - m_Chunk->GetPosZ() * cChunkDef::Width;
+		if (!m_Chunk->UnboundedRelGetBlockType(RelSourceX, itr->a_SourcePos.y, RelSourceZ, Type) || (Type == E_BLOCK_REDSTONE_WIRE))
+		{
+			continue;
+		}
+		a_PowerLevel = std::max(itr->a_PowerLevel, a_PowerLevel);
 	}
 
-	return (a_PowerLevel != 0); // Answer the inital question: is the wire powered?
+	return (a_PowerLevel != 0);  // Answer the inital question: is the wire powered?
 }
 
 
@@ -1592,17 +1756,17 @@ bool cIncrementalRedstoneSimulator::AreCoordsSimulated(int a_RelBlockX, int a_Re
 	{
 		if (itr->a_RelBlockPos.Equals(Vector3i(a_RelBlockX, a_RelBlockY, a_RelBlockZ)))
 		{
-			if (itr->WasLastStatePowered != IsCurrentStatePowered) // Was the last power state different to the current?
+			if (itr->WasLastStatePowered != IsCurrentStatePowered)  // Was the last power state different to the current?
 			{
-				return false; // It was, coordinates are no longer simulated
+				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 true;  // It wasn't, don't resimulate block, and allow players to toggle
 			}
 		}
 	}
-	return false; // Block wasn't even in the list, not simulated
+	return false;  // Block wasn't even in the list, not simulated
 }
 
 
@@ -1706,7 +1870,7 @@ void cIncrementalRedstoneSimulator::SetDirectionLinkedPowered(int a_RelBlockX, i
 		}
 		default:
 		{
-			ASSERT(!"Unhandled face direction when attempting to set blocks as linked powered!"); // Zombies, that wasn't supposed to happen...
+			ASSERT(!"Unhandled face direction when attempting to set blocks as linked powered!");  // Zombies, that wasn't supposed to happen...
 			break;
 		}
 	}
@@ -1731,7 +1895,7 @@ void cIncrementalRedstoneSimulator::SetAllDirsAsPowered(int a_RelBlockX, int a_R
 		{ 0, -1, 0 }
 	};
 
-	for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through struct to power all directions
+	for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)  // Loop through struct to power all directions
 	{
 		SetBlockPowered(a_RelBlockX + gCrossCoords[i].x, a_RelBlockY + gCrossCoords[i].y, a_RelBlockZ + gCrossCoords[i].z, a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_PowerLevel);
 	}
@@ -1748,20 +1912,14 @@ void cIncrementalRedstoneSimulator::SetBlockPowered(int a_RelBlockX, int a_RelBl
 	int SourceX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelSourceX;
 	int SourceZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelSourceZ;
 
-	BLOCKTYPE Block = 0;
-	if (!m_Chunk->UnboundedRelGetBlockType(a_RelBlockX, a_RelBlockY, a_RelBlockZ, Block))
-	{
-		return;
-	}
-	if (Block == E_BLOCK_AIR)
+	cChunk * Neighbour = m_Chunk->GetRelNeighborChunkAdjustCoords(a_RelBlockX, a_RelBlockZ);  // Adjust coordinates for the later call using these values
+	if ((Neighbour == NULL) || !Neighbour->IsValid())
 	{
-		// Don't set air, fixes some bugs (wires powering themselves)
 		return;
 	}
 
-	cChunk * Neighbour = m_Chunk->GetNeighborChunk(BlockX, BlockZ);
-	PoweredBlocksList * Powered = Neighbour->GetRedstoneSimulatorPoweredBlocksList();
-	for (PoweredBlocksList::iterator itr = Powered->begin(); itr != Powered->end(); ++itr)  // Check powered list
+	PoweredBlocksList * Powered = Neighbour->GetRedstoneSimulatorPoweredBlocksList();  // We need to insert the value into the chunk who owns the block position
+	for (PoweredBlocksList::iterator itr = Powered->begin(); itr != Powered->end(); ++itr)
 	{
 		if (
 			itr->a_BlockPos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ)) &&
@@ -1774,16 +1932,33 @@ void cIncrementalRedstoneSimulator::SetBlockPowered(int a_RelBlockX, int a_RelBl
 		}
 	}
 
-	PoweredBlocksList * OtherPowered = m_Chunk->GetNeighborChunk(SourceX, SourceZ)->GetRedstoneSimulatorPoweredBlocksList();
-	for (PoweredBlocksList::const_iterator itr = OtherPowered->begin(); itr != OtherPowered->end(); ++itr)  // Check powered list
+	// No need to get neighbouring chunk as we can guarantee that when something is powering us, the entry will be in our chunk
+	// TODO: on C++11 support, change this to a llama function pased to a std::remove_if
+	for (PoweredBlocksList::iterator itr = m_PoweredBlocks->begin(); itr != m_PoweredBlocks->end(); ++itr)
 	{
 		if (
 			itr->a_BlockPos.Equals(Vector3i(SourceX, a_RelSourceY, SourceZ)) &&
-			itr->a_SourcePos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ))
+			itr->a_SourcePos.Equals(Vector3i(BlockX, a_RelBlockY, BlockZ)) &&
+			(m_Chunk->GetBlock(a_RelSourceX, a_RelSourceY, a_RelSourceZ) == E_BLOCK_REDSTONE_WIRE)
 			)
 		{
-			// Powered wires try to power their source - don't let them!
-			return;
+			BLOCKTYPE Block;
+			NIBBLETYPE Meta;
+			Neighbour->GetBlockTypeMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ, Block, Meta);
+
+			if (Block == E_BLOCK_REDSTONE_WIRE)
+			{
+				if (Meta < a_PowerLevel)
+				{
+					m_PoweredBlocks->erase(itr);  // Powering source with higher power level, allow it
+					break;
+				}
+				else
+				{
+					// Powered wires try to power their source - don't let them!
+					return;
+				}
+			}
 		}
 	}
 
@@ -1814,26 +1989,17 @@ void cIncrementalRedstoneSimulator::SetBlockLinkedPowered(
 	int SourceX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelSourceX;
 	int SourceZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelSourceZ;
 
-	BLOCKTYPE DestBlock = 0;
-	if (!m_Chunk->UnboundedRelGetBlockType(a_RelBlockX, a_RelBlockY, a_RelBlockZ, DestBlock))
-	{
-		return;
-	}
-	if (DestBlock == E_BLOCK_AIR)
-	{
-		// Don't set air, fixes some bugs (wires powering themselves)
-		return;
-	}
-	if ((DestBlock == E_BLOCK_REDSTONE_WIRE) && (m_Chunk->GetBlock(a_RelSourceX, a_RelSourceY, a_RelSourceZ) == E_BLOCK_REDSTONE_WIRE))
+	if (!IsViableMiddleBlock(a_MiddleBlock))
 	{
 		return;
 	}
-	if (!IsViableMiddleBlock(a_MiddleBlock))
+
+	cChunk * Neighbour = m_Chunk->GetNeighborChunk(BlockX, BlockZ);
+	if ((Neighbour == NULL) || !Neighbour->IsValid())
 	{
 		return;
 	}
 
-	cChunk * Neighbour = m_Chunk->GetNeighborChunk(BlockX, BlockZ);
 	LinkedBlocksList * Linked = Neighbour->GetRedstoneSimulatorLinkedBlocksList();
 	for (LinkedBlocksList::iterator itr = Linked->begin(); itr != Linked->end(); ++itr)  // Check linked powered list
 	{
@@ -1902,13 +2068,13 @@ bool cIncrementalRedstoneSimulator::QueueRepeaterPowerChange(int a_RelBlockX, in
 	{
 		if (itr->a_RelBlockPos.Equals(Vector3i(a_RelBlockX, a_RelBlockY, a_RelBlockZ)))
 		{
-			if (ShouldPowerOn == itr->ShouldPowerOn) // We are queued already for the same thing, don't replace entry
+			if (ShouldPowerOn == itr->ShouldPowerOn)  // We are queued already for the same thing, don't replace entry
 			{
 				return false;
 			}
 
 			// 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_DelayTicks = (((a_Meta & 0xC) >> 0x2) + 1) * 2;  // See below for description
 			itr->a_ElapsedTicks = 0;
 			itr->ShouldPowerOn = ShouldPowerOn;
 			return false;
@@ -1916,11 +2082,11 @@ bool cIncrementalRedstoneSimulator::QueueRepeaterPowerChange(int a_RelBlockX, in
 	}
 
 	// Self not in list, add self to list
-	sRepeatersDelayList RC;	
+	sRepeatersDelayList RC;
 	RC.a_RelBlockPos = Vector3i(a_RelBlockX, a_RelBlockY, a_RelBlockZ);
 	
 	// 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 in MCS, 1 redstone tick = 1 world tick, but in Vanilla, 1 redstone tick = 2 world ticks, and we need to maintain compatibility
+	// Multiply by 2 because in MCS, 1 redstone tick = 1 world tick, but in Vanilla, 1 redstone tick = 2 world ticks, and we need to maintain compatibility
 	RC.a_DelayTicks = (((a_Meta & 0xC) >> 0x2) + 1) * 2;
 
 	RC.a_ElapsedTicks = 0;
@@ -1933,6 +2099,52 @@ bool cIncrementalRedstoneSimulator::QueueRepeaterPowerChange(int a_RelBlockX, in
 
 
 
+void cIncrementalRedstoneSimulator::SetSourceUnpowered(int a_SourceX, int a_SourceY, int a_SourceZ, cChunk * a_Chunk, bool a_IsFirstCall)
+{
+	if (!a_IsFirstCall)  // The neighbouring chunks passed when this parameter is false may be invalid
+	{
+		if ((a_Chunk == NULL) || !a_Chunk->IsValid())
+		{
+			return;
+		}
+	}
+	// TODO: on C++11 support, change both of these to llama functions pased to a std::remove_if
+
+	for (PoweredBlocksList::iterator itr = a_Chunk->GetRedstoneSimulatorPoweredBlocksList()->begin(); itr != a_Chunk->GetRedstoneSimulatorPoweredBlocksList()->end();)
+	{
+		if (itr->a_SourcePos.Equals(Vector3i(a_SourceX, a_SourceY, a_SourceZ)))
+		{
+			itr = a_Chunk->GetRedstoneSimulatorPoweredBlocksList()->erase(itr);
+			a_Chunk->SetIsRedstoneDirty(true);
+			continue;
+		}
+		++itr;
+	}
+	for (LinkedBlocksList::iterator itr = a_Chunk->GetRedstoneSimulatorLinkedBlocksList()->begin(); itr != a_Chunk->GetRedstoneSimulatorLinkedBlocksList()->end();)
+	{
+		if (itr->a_SourcePos.Equals(Vector3i(a_SourceX, a_SourceY, a_SourceZ)))
+		{
+			itr = a_Chunk->GetRedstoneSimulatorLinkedBlocksList()->erase(itr);
+			a_Chunk->SetIsRedstoneDirty(true);
+			continue;
+		}
+		++itr;
+	}
+
+	if (a_IsFirstCall && AreCoordsOnChunkBoundary(a_SourceX, a_SourceY, a_SourceZ))
+	{
+		// +- 2 to accomodate linked powered blocks
+		SetSourceUnpowered(a_SourceX, a_SourceY, a_SourceZ, a_Chunk->GetNeighborChunk(a_SourceX - 2, a_SourceZ), false);
+		SetSourceUnpowered(a_SourceX, a_SourceY, a_SourceZ, a_Chunk->GetNeighborChunk(a_SourceX + 2, a_SourceZ), false);
+		SetSourceUnpowered(a_SourceX, a_SourceY, a_SourceZ, a_Chunk->GetNeighborChunk(a_SourceX, a_SourceZ - 2), false);
+		SetSourceUnpowered(a_SourceX, a_SourceY, a_SourceZ, a_Chunk->GetNeighborChunk(a_SourceX, a_SourceZ + 2), false);
+	}
+}
+
+
+
+
+
 cIncrementalRedstoneSimulator::eRedstoneDirection cIncrementalRedstoneSimulator::GetWireDirection(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
 {
 	int Dir = REDSTONE_NONE;
diff --git a/src/Simulator/IncrementalRedstoneSimulator.h b/src/Simulator/IncrementalRedstoneSimulator.h
index 9c1f9460c..79740a8f6 100644
--- a/src/Simulator/IncrementalRedstoneSimulator.h
+++ b/src/Simulator/IncrementalRedstoneSimulator.h
@@ -38,33 +38,33 @@ private:
 
 	#define MAX_POWER_LEVEL 15
 
-	struct sPoweredBlocks // Define structure of the directly powered blocks list
+	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
+		Vector3i a_BlockPos;  // Position of powered block
+		Vector3i a_SourcePos;  // Position of source powering the block at a_BlockPos
 		unsigned char a_PowerLevel;
 	};
 
-	struct sLinkedPoweredBlocks // Define structure of the indirectly powered blocks list (i.e. repeaters powering through a block to the block at the other side)
+	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; // Position of block that is betwixt a source and the destination
+		Vector3i a_MiddlePos;  // Position of block that is betwixt a source and the destination
 		Vector3i a_SourcePos;
 		unsigned char a_PowerLevel;
 	};
 
-	struct sSimulatedPlayerToggleableList // Define structure of the list containing simulate-on-update blocks (such as trapdoors that respond once to a block update, and can be toggled by a player)
+	struct sSimulatedPlayerToggleableList  // Define structure of the list containing simulate-on-update blocks (such as trapdoors that respond once to a block update, and can be toggled by a player)
 	{
 		Vector3i a_RelBlockPos;
-		bool WasLastStatePowered; // Was the last state powered or not? Determines whether a source update has happened and if I should resimulate
+		bool WasLastStatePowered;  // Was the last state powered or not? Determines whether a source update has happened and if I should resimulate
 	};
 
-	struct sRepeatersDelayList // Define structure of list containing repeaters' delay states
+	struct sRepeatersDelayList  // Define structure of list containing repeaters' delay states
 	{
 		Vector3i a_RelBlockPos;
-		unsigned char a_DelayTicks; // For how many ticks should the repeater delay
-		unsigned char a_ElapsedTicks; // How much of the previous has been elapsed?
-		bool ShouldPowerOn; // What happens when the delay time is fulfilled?
+		unsigned char a_DelayTicks;  // For how many ticks should the repeater delay
+		unsigned char a_ElapsedTicks;  // How much of the previous has been elapsed?
+		bool ShouldPowerOn;  // What happens when the delay time is fulfilled?
 	};
 
 public:
@@ -102,6 +102,13 @@ private:
 	void HandleDaylightSensor(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
 	/** Handles pressure plates */
 	void HandlePressurePlate(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, BLOCKTYPE a_MyType);
+	/** Handles tripwire hooks
+	Performs correct meta and power setting for self by going in the direction it faces and looking for a continous line of tripwire bounded by another oppositely facing hook
+	If this line is complete, it verifies that at least on wire reports an entity is on top (via its meta), and performs its task
+	*/
+	void HandleTripwireHook(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
+	/** Handles trapped chests */
+	void HandleTrappedChest(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
 	/* ==================== */
 
 	/* ====== CARRIERS ====== */
@@ -109,8 +116,6 @@ private:
 	void HandleRedstoneWire(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
 	/** Handles repeaters */
 	void HandleRedstoneRepeater(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, BLOCKTYPE a_MyState);
-	/** Handles delayed updates to Repeaters **/
-	void HandleRedstoneRepeaterDelays();
 	/* ====================== */
 
 	/* ====== DEVICES ====== */
@@ -134,6 +139,8 @@ private:
 	void HandleFenceGate(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
 	/** Handles noteblocks */
 	void HandleNoteBlock(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
+	/** Handles tripwires */
+	void HandleTripwire(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
 	/* ===================== */
 
 	/* ====== Helper functions ====== */
@@ -149,11 +156,15 @@ private:
 	void SetAllDirsAsPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, unsigned char a_PowerLevel = MAX_POWER_LEVEL);
 	/** Queues a repeater to be powered or unpowered and returns if the m_RepeatersDelayList iterators were invalidated */
 	bool QueueRepeaterPowerChange(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, NIBBLETYPE a_Meta, bool ShouldPowerOn);
+	/** Removes a block from the Powered and LinkedPowered lists
+	Used for variable sources such as tripwire hooks, daylight sensors, and trapped chests
+	*/
+	void SetSourceUnpowered(int a_RelSourceX, int a_RelSourceY, int a_RelSourceZ, cChunk * a_Chunk, bool a_IsFirstCall = true);
 
 	/** Returns if a coordinate is powered or linked powered */
-	bool AreCoordsPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ) { return AreCoordsDirectlyPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ) || AreCoordsLinkedPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ); }
+	bool AreCoordsPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ) { return AreCoordsDirectlyPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, m_Chunk) || AreCoordsLinkedPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ); }
 	/** Returns if a coordinate is in the directly powered blocks list */
-	bool AreCoordsDirectlyPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
+	bool AreCoordsDirectlyPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ, cChunk * a_Chunk);
 	/** Returns if a coordinate is in the indirectly powered blocks list */
 	bool AreCoordsLinkedPowered(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ);
 	/** Returns if a coordinate was marked as simulated (for blocks toggleable by players) */
@@ -167,7 +178,8 @@ private:
 	/** 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_RelBlockX, int a_RelBlockY, int a_RelBlockZ, unsigned char & a_PowerLevel);
-
+	/** Handles delayed updates to repeaters **/
+	void HandleRedstoneRepeaterDelays(void);
 
 	/** Returns if lever metadata marks it as emitting power */
 	bool IsLeverOn(NIBBLETYPE a_BlockMeta);
@@ -179,7 +191,9 @@ private:
 	/** 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) */
+	/** Returns if a block is a mechanism (something that accepts power and does something)
+	Used by torches to determine if they power a block whilst not standing on the ground
+	*/
 	inline static bool IsMechanism(BLOCKTYPE Block)
 	{
 		switch (Block)
@@ -202,6 +216,7 @@ private:
 			case E_BLOCK_REDSTONE_REPEATER_OFF:
 			case E_BLOCK_REDSTONE_REPEATER_ON:
 			case E_BLOCK_POWERED_RAIL:
+			case E_BLOCK_REDSTONE_WIRE:
 			{
 				return true;
 			}
@@ -228,6 +243,7 @@ private:
 			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
 			case E_BLOCK_STONE_PRESSURE_PLATE:
 			case E_BLOCK_WOODEN_PRESSURE_PLATE:
+			case E_BLOCK_TRAPPED_CHEST:
 			{
 				return true;
 			}
@@ -270,17 +286,29 @@ private:
 			case E_BLOCK_STONE_PRESSURE_PLATE:
 			case E_BLOCK_TNT:
 			case E_BLOCK_TRAPDOOR:
+			case E_BLOCK_TRAPPED_CHEST:
 			case E_BLOCK_TRIPWIRE_HOOK:
+			case E_BLOCK_TRIPWIRE:
 			case E_BLOCK_WOODEN_BUTTON:
 			case E_BLOCK_WOODEN_DOOR:
 			case E_BLOCK_WOODEN_PRESSURE_PLATE:
 			case E_BLOCK_PISTON:
 			{
-				 return true;
+				return true;
 			}
 			default: return false;
 		}
 	}
+
+	inline static bool AreCoordsOnChunkBoundary(int a_BlockX, int a_BlockY, int a_BlockZ)
+	{
+		return (  // Are we on a chunk boundary? +- 2 because of LinkedPowered blocks
+			((a_BlockX % cChunkDef::Width) <= 1) ||
+			((a_BlockX % cChunkDef::Width) >= 14) ||
+			((a_BlockZ % cChunkDef::Width) <= 1) ||
+			((a_BlockZ % cChunkDef::Width) >= 14)
+		);
+	}
 };
 
 
diff --git a/src/Simulator/NoopFluidSimulator.h b/src/Simulator/NoopFluidSimulator.h
index 9113aec3c..9fe2f9040 100644
--- a/src/Simulator/NoopFluidSimulator.h
+++ b/src/Simulator/NoopFluidSimulator.h
@@ -27,7 +27,7 @@ public:
 	}
 
 	// cSimulator overrides:
-	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override 
+	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override
 	{
 		UNUSED(a_BlockX);
 		UNUSED(a_BlockY);
diff --git a/src/Simulator/NoopRedstoneSimulator.h b/src/Simulator/NoopRedstoneSimulator.h
index fe3949198..4301b8aae 100644
--- a/src/Simulator/NoopRedstoneSimulator.h
+++ b/src/Simulator/NoopRedstoneSimulator.h
@@ -18,10 +18,10 @@ public:
 	{
 	}
 
-	//~cRedstoneNoopSimulator();
+	// ~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 
+	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override
 	{
 		UNUSED(a_Dt);
 		UNUSED(a_ChunkX);
diff --git a/src/Simulator/SandSimulator.h b/src/Simulator/SandSimulator.h
index 6e64aa425..1262f2792 100644
--- a/src/Simulator/SandSimulator.h
+++ b/src/Simulator/SandSimulator.h
@@ -37,7 +37,7 @@ public:
 	based on the block currently present in the world at the dest specified coords
 	*/
 	static void FinishFalling(
-		cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, 
+		cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ,
 		BLOCKTYPE a_FallingBlockType, NIBBLETYPE a_FallingBlockMeta
 	);
 
diff --git a/src/Simulator/Simulator.h b/src/Simulator/Simulator.h
index a2e2a5742..171eba91c 100644
--- a/src/Simulator/Simulator.h
+++ b/src/Simulator/Simulator.h
@@ -26,7 +26,7 @@ public:
 	
 	/// Called in each tick for each chunk, a_Dt is the time passed since the last tick, in msec; direct access to chunk data available
 	virtual void SimulateChunk(float a_Dt, int a_ChunkX,
-		int a_ChunkZ, cChunk * a_Chunk) 
+		int a_ChunkZ, cChunk * a_Chunk)
 	{
 		UNUSED(a_Dt);
 		UNUSED(a_ChunkX);
diff --git a/src/Simulator/VaporizeFluidSimulator.cpp b/src/Simulator/VaporizeFluidSimulator.cpp
index 4206c64d1..484cac334 100644
--- a/src/Simulator/VaporizeFluidSimulator.cpp
+++ b/src/Simulator/VaporizeFluidSimulator.cpp
@@ -27,7 +27,7 @@ void cVaporizeFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 		return;
 	}
 	int RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width;
-	int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;	
+	int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;
 	BLOCKTYPE BlockType = a_Chunk->GetBlock(RelX, a_BlockY, RelZ);
 	if (
 		(BlockType == m_FluidBlock) ||
@@ -35,7 +35,7 @@ void cVaporizeFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 	)
 	{
 		a_Chunk->SetBlock(RelX, a_BlockY, RelZ, E_BLOCK_AIR, 0);
-		a_Chunk->BroadcastSoundEffect("random.fizz", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 1.0f, 0.6f);
+		a_Chunk->BroadcastSoundEffect("random.fizz", (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 1.0f, 0.6f);
 	}
 }