1 files changed, 263 insertions, 125 deletions

diff --git a/source/Simulator/RedstoneSimulator.cpp b/source/Simulator/RedstoneSimulator.cpp
index 906961490..e9f9eea0c 100644
--- a/source/Simulator/RedstoneSimulator.cpp
+++ b/source/Simulator/RedstoneSimulator.cpp
@@ -89,7 +89,13 @@ void cRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, c
 		for (PoweredBlocksList::iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end();)
 		{
 			sPoweredBlocks & Change = *itr;
-			BLOCKTYPE SourceBlockType = m_World.GetBlock(Change.a_SourcePos);
+
+			int RelX = Change.a_SourcePos.x - a_ChunkX * cChunkDef::Width;
+			int RelZ = Change.a_SourcePos.z - a_ChunkZ * cChunkDef::Width;
+
+			BLOCKTYPE SourceBlockType;
+			NIBBLETYPE SourceBlockMeta;
+			a_Chunk->UnboundedRelGetBlock(RelX, Change.a_SourcePos.y, RelZ, SourceBlockType, SourceBlockMeta);
 
 			if (SourceBlockType != Change.a_SourceBlock)
 			{
@@ -97,10 +103,10 @@ void cRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, c
 			}
 			else if (
 				// Changeable sources
-				((SourceBlockType == E_BLOCK_REDSTONE_WIRE) && (m_World.GetBlockMeta(Change.a_SourcePos) == 0)) ||
-				((SourceBlockType == E_BLOCK_LEVER) && !IsLeverOn(m_World.GetBlockMeta(Change.a_SourcePos))) ||
-				((SourceBlockType == E_BLOCK_DETECTOR_RAIL) && (m_World.GetBlockMeta(Change.a_SourcePos) & 0x08) == 0x08) ||
-				(((SourceBlockType == E_BLOCK_STONE_BUTTON) || (SourceBlockType == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(m_World.GetBlockMeta(Change.a_SourcePos))))
+				((SourceBlockType == E_BLOCK_REDSTONE_WIRE) && (SourceBlockMeta == 0)) ||
+				((SourceBlockType == E_BLOCK_LEVER) && !IsLeverOn(SourceBlockMeta)) ||
+				((SourceBlockType == E_BLOCK_DETECTOR_RAIL) && (SourceBlockMeta & 0x08) == 0x08) ||
+				(((SourceBlockType == E_BLOCK_STONE_BUTTON) || (SourceBlockType == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(SourceBlockMeta)))
 				)
 			{
 				itr = m_PoweredBlocks.erase(itr);
@@ -115,8 +121,17 @@ void cRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, c
 		for (LinkedBlocksList::iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end();)
 		{
 			sLinkedPoweredBlocks & Change = *itr;
-			BLOCKTYPE SourceBlockType = m_World.GetBlock(Change.a_SourcePos);
-			BLOCKTYPE MiddleBlockType = m_World.GetBlock(Change.a_MiddlePos);
+			
+			int RelX = Change.a_SourcePos.x - a_ChunkX * cChunkDef::Width;
+			int RelZ = Change.a_SourcePos.z - a_ChunkZ * cChunkDef::Width;
+			int MidRelX = Change.a_MiddlePos.x - a_ChunkX * cChunkDef::Width;
+			int MidRelZ = Change.a_MiddlePos.z - a_ChunkZ * cChunkDef::Width;
+
+			BLOCKTYPE SourceBlockType;
+			NIBBLETYPE SourceBlockMeta;
+			BLOCKTYPE MiddleBlockType;
+			a_Chunk->UnboundedRelGetBlock(RelX, Change.a_SourcePos.y, RelZ, SourceBlockType, SourceBlockMeta);
+			a_Chunk->UnboundedRelGetBlockType(MidRelX, Change.a_MiddlePos.y, MidRelZ, MiddleBlockType);
 
 			if (SourceBlockType != Change.a_SourceBlock)
 			{
@@ -128,9 +143,9 @@ void cRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, c
 			}
 			else if (
 				// Things that can send power through a block but which depends on meta
-				((SourceBlockType == E_BLOCK_REDSTONE_WIRE) && (m_World.GetBlockMeta(Change.a_SourcePos) == 0)) ||
-				((SourceBlockType == E_BLOCK_LEVER) && !IsLeverOn(m_World.GetBlockMeta(Change.a_SourcePos))) ||
-				(((SourceBlockType == E_BLOCK_STONE_BUTTON) || (SourceBlockType == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(m_World.GetBlockMeta(Change.a_SourcePos))))
+				((SourceBlockType == E_BLOCK_REDSTONE_WIRE) && (SourceBlockMeta == 0)) ||
+				((SourceBlockType == E_BLOCK_LEVER) && !IsLeverOn(SourceBlockMeta)) ||
+				(((SourceBlockType == E_BLOCK_STONE_BUTTON) || (SourceBlockType == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(SourceBlockMeta)))
 				)
 			{
 				itr = m_LinkedPoweredBlocks.erase(itr);
@@ -256,10 +271,12 @@ void cRedstoneSimulator::HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_B
 			{
 				// 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
+		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);
 
@@ -294,25 +311,8 @@ void cRedstoneSimulator::HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_B
 
 void cRedstoneSimulator::HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
 {
-	static const struct // Define which directions the redstone block can power
-	{
-		int x, y, z;
-	} gCrossCoords[] =
-	{
-		{ 0, 0,  0}, // Oh, anomalous redstone. Only block that powers itself
-		{ 1, 0,  0},
-		{-1, 0,  0},
-		{ 0, 0,  1},
-		{ 0, 0, -1},
-		{ 0, 1,  0},
-		{ 0,-1,  0},
-	} ;
-
-	for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
-	{
-		// Power everything
-		SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_BLOCK_OF_REDSTONE);
-	}
+	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
 	return;
 }
 
@@ -324,24 +324,7 @@ void cRedstoneSimulator::HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_B
 {
 	if (IsLeverOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)))
 	{
-		static const struct // Define which directions the redstone lever can power (all sides)
-		{
-			int x, y, z;
-		} gCrossCoords[] =
-		{
-			{ 1, 0,  0},
-			{-1, 0,  0},
-			{ 0, 0,  1},
-			{ 0, 0, -1},
-			{ 0, 1,  0},
-			{ 0,-1,  0},
-		} ;
-
-		for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
-		{
-			// Power everything
-			SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_LEVER);
-		}
+		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);
@@ -361,24 +344,7 @@ void cRedstoneSimulator::HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_
 {
 	if (IsButtonOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)))
 	{
-		static const struct // Define which directions the redstone button can power (all sides)
-		{
-			int x, y, z;
-		} gCrossCoords[] =
-		{
-			{ 1, 0,  0},
-			{-1, 0,  0},
-			{ 0, 0,  1},
-			{ 0, 0, -1},
-			{ 0, 1,  0},
-			{ 0,-1,  0},
-		} ;
-
-		for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
-		{
-			// Power everything
-			SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, a_BlockType);
-		}
+		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);
@@ -418,6 +384,7 @@ void cRedstoneSimulator::HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_Bl
 	if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
 	{
 		m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 15); // Maximum power
+		SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); // Power block beneath
 	}
 	else
 	{
@@ -456,7 +423,10 @@ void cRedstoneSimulator::HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_Bl
 			// However, self not directly powered anymore, so source must have been removed,
 			// therefore, self must be set to meta zero
 			m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0);
-		}		
+			return; // No need to process block power sets because self not powered
+		}
+
+		SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE); // Power block beneath
 	}
 
 	if (m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) != 0) // A powered wire
@@ -467,33 +437,14 @@ void cRedstoneSimulator::HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_Bl
 		{
 			case REDSTONE_NONE:
 			{
-				static const struct // Define which directions the redstone wire can power
-				{
-					int x, y, z;
-				} gCrossCoords[] =
-				{
-					{ 1, 0,  0}, // Power block in front
-					{ 2, 0,  0}, // Power block in front of that (strongly power)
-					{-1, 0,  0},
-					{-2, 0,  0},
-					{ 0, 0,  1},
-					{ 0, 0,  2},
-					{ 0, 0, -1},
-					{ 0, 0, -2},
-					{ 0, 1,  0},
-					{ 0, 2,  0},
-					{ 0,-1,  0},
-					{ 0,-2,  0},
-				} ;
+				SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
 
-				for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
-				{
-					// Power if block is solid, CURRENTLY all mechanisms are solid
-					if (g_BlockIsSolid[m_World.GetBlock(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z)])
-					{
-						SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-					}
-				}
+				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:
@@ -810,6 +761,8 @@ bool cRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_Blo
 	{
 		sPoweredBlocks & Change = *itr;
 
+		if (!Change.a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
+
 		switch (a_Meta)
 		{
 			case 0x0:
@@ -841,6 +794,8 @@ bool cRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_Blo
 	{
 		sLinkedPoweredBlocks & Change = *itr;
 
+		if (!Change.a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
+
 		switch (a_Meta)
 		{
 			case 0x0:
@@ -879,13 +834,39 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 		case BLOCK_FACE_XM:
 		{
 			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ);
-			if (!g_BlockIsSolid[MiddleBlock]) { return; }
+			if (!g_BlockIsSolid[MiddleBlock]) { return; } // Nothing can link power something through a non-solid block
 
-			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);
+			if (a_SourceType == E_BLOCK_REDSTONE_WIRE) // Wires can't power another wire through a block
+			{
+				if (m_World.GetBlock(a_BlockX - 2, a_BlockY, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					SetBlockLinkedPowered(a_BlockX - 2, a_BlockY, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY + 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY - 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+			}
+			else
+			{
+				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:
@@ -893,11 +874,37 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ);
 			if (!g_BlockIsSolid[MiddleBlock]) { return; }
 
-			SetBlockLinkedPowered(a_BlockX + 2, a_BlockY, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY + 1, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY - 1, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ + 1, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ - 1, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+			if (a_SourceType == E_BLOCK_REDSTONE_WIRE)
+			{
+				if (m_World.GetBlock(a_BlockX + 2, a_BlockY, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					SetBlockLinkedPowered(a_BlockX + 2, a_BlockY, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY + 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY - 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+			}
+			else
+			{
+				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:
@@ -905,11 +912,37 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ);
 			if (!g_BlockIsSolid[MiddleBlock]) { return; }
 
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 2, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ + 1, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ - 1, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+			if (a_SourceType == E_BLOCK_REDSTONE_WIRE)
+			{
+				if (m_World.GetBlock(a_BlockX, a_BlockY - 2, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					SetBlockLinkedPowered(a_BlockX, a_BlockY - 2, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY - 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY - 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+			}
+			else
+			{
+				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:
@@ -917,11 +950,37 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ);
 			if (!g_BlockIsSolid[MiddleBlock]) { return; }
 
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 2, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ + 1, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ - 1, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+			if (a_SourceType == E_BLOCK_REDSTONE_WIRE)
+			{
+				if (m_World.GetBlock(a_BlockX, a_BlockY + 2, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					SetBlockLinkedPowered(a_BlockX, a_BlockY + 2, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY + 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY + 1, a_BlockZ) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+			}
+			else
+			{
+				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:
@@ -929,11 +988,37 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1);
 			if (!g_BlockIsSolid[MiddleBlock]) { return; }
 
-			SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ - 2, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+			if (a_SourceType == E_BLOCK_REDSTONE_WIRE)
+			{
+				if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 2) != E_BLOCK_REDSTONE_WIRE)
+				{
+					SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ - 2, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ - 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+			}
+			else
+			{
+				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:
@@ -941,16 +1026,42 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1);
 			if (!g_BlockIsSolid[MiddleBlock]) { return; }
 
-			SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ + 2, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+			if (a_SourceType == E_BLOCK_REDSTONE_WIRE)
+			{
+				if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 2) != E_BLOCK_REDSTONE_WIRE)
+				{
+					SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ + 2, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
+				}
+				if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+				if (m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ + 1) != E_BLOCK_REDSTONE_WIRE)
+				{
+					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);
+				}
+			}
+			else
+			{
+				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!");
+			ASSERT(!"Unhandled face direction when attempting to set blocks as linked powered!"); // Zombies, that wasn't supposed to happen...
 			break;
 		}
 	}
@@ -961,8 +1072,34 @@ void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, i
 
 
 
+void cRedstoneSimulator::SetAllDirsAsPowered(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_SourceBlock)
+{
+	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 },
+	};
+
+	for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
+	{
+		SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, a_SourceBlock);
+	}
+	return;
+}
+
+
+
+
+
 void cRedstoneSimulator::SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock)
 {
+	if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_AIR) { return; } // Don't set air, fixes some bugs (wires powering themselves)
 	if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) { return; } // Check for duplicates
 
 	sPoweredBlocks RC;
@@ -983,6 +1120,7 @@ void cRedstoneSimulator::SetBlockLinkedPowered(int a_BlockX, int a_BlockY, int a
 	BLOCKTYPE a_SourceBlock, BLOCKTYPE a_MiddleBlock
 	)
 {
+	if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_AIR) { return; } // Don't set air, fixes some bugs (wires powering themselves)
 	if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ)) { return; } // Check for duplicates
 
 	sLinkedPoweredBlocks RC;