diff --git a/src/Blocks/BlockTrapdoor.h b/src/Blocks/BlockTrapdoor.h
index 08fc28327..251044afd 100644
--- a/src/Blocks/BlockTrapdoor.h
+++ b/src/Blocks/BlockTrapdoor.h
@@ -36,8 +36,10 @@ public:
 	{
 		// Flip the ON bit on/off using the XOR bitwise operation
 		NIBBLETYPE Meta = (a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) ^ 0x04);
-
 		a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
+		
+		cWorld * World = (cWorld *) &a_WorldInterface;
+		World->BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0, a_Player->GetClientHandle());
 	}
 
 	virtual bool GetPlacementBlockTypeMeta(
diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp
index 91de9e0cc..74b30f920 100644
--- a/src/Simulator/IncrementalRedstoneSimulator.cpp
+++ b/src/Simulator/IncrementalRedstoneSimulator.cpp
@@ -937,17 +937,15 @@ void cIncrementalRedstoneSimulator::HandleTrapdoor(int a_BlockX, int a_BlockY, i
 	{
 		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true))
 		{
-			m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) | 0x4);
-			m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+			m_World.SetTrapdoorOpen(a_BlockX, a_BlockY, a_BlockZ, true);
 			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
-		}		
+		}
 	}
 	else
 	{
 		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
 		{
-			m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0xB); // Take into account that the fourth bit is needed for trapdoors too
-			m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+			m_World.SetTrapdoorOpen(a_BlockX, a_BlockY, a_BlockZ, false);
 			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
 		}
 	}
diff --git a/src/World.cpp b/src/World.cpp
index ffdae2a37..ca72d2e20 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -2647,6 +2647,43 @@ bool cWorld::SetCommandBlockCommand(int a_BlockX, int a_BlockY, int a_BlockZ, co
 
 
 
+bool cWorld::IsTrapdoorOpen(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+	if (GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_TRAPDOOR)
+	{
+		return false;
+	}
+	
+	NIBBLETYPE Meta = GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+	return (Meta & 0x4) > 0;
+}
+
+
+
+
+
+bool cWorld::SetTrapdoorOpen(int a_BlockX, int a_BlockY, int a_BlockZ, bool a_Open)
+{
+	if (GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_TRAPDOOR)
+	{
+		return false;
+	}
+	
+	NIBBLETYPE Meta = GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+	bool IsOpen = (Meta & 0x4) > 0;
+	if (a_Open != IsOpen)
+	{
+		SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta ^ 0x4);
+		BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
+		return true;
+	}
+	return false;
+}
+
+
+
+
+
 void cWorld::RegenerateChunk(int a_ChunkX, int a_ChunkZ)
 {
 	m_ChunkMap->MarkChunkRegenerating(a_ChunkX, a_ChunkZ);
diff --git a/src/World.h b/src/World.h
index 4b74f7aba..ec6805dcf 100644
--- a/src/World.h
+++ b/src/World.h
@@ -342,6 +342,12 @@ public:
 	/** Sets the command block command. Returns true if command changed. */
 	bool SetCommandBlockCommand(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Command);	// tolua_export
 
+	/** Is the trapdoor open? */
+	bool IsTrapdoorOpen(int a_BlockX, int a_BlockY, int a_BlockZ);                                      // tolua_export
+
+	/** Set the state of a trapdoor */
+	bool SetTrapdoorOpen(int a_BlockX, int a_BlockY, int a_BlockZ, bool a_Open);                        // tolua_export
+
 	/** Regenerate the given chunk: */
 	void RegenerateChunk(int a_ChunkX, int a_ChunkZ);													// tolua_export