4 files changed, 36 insertions, 13 deletions

diff --git a/src/BlockEntities/BlockEntity.cpp b/src/BlockEntities/BlockEntity.cpp
index 430f04551..1e2a176ef 100644
--- a/src/BlockEntities/BlockEntity.cpp
+++ b/src/BlockEntities/BlockEntity.cpp
@@ -28,7 +28,8 @@ cBlockEntity * cBlockEntity::CreateByBlockType(BLOCKTYPE a_BlockType, NIBBLETYPE
 	switch (a_BlockType)
 	{
 		case E_BLOCK_BEACON:        return new cBeaconEntity      (a_BlockX, a_BlockY, a_BlockZ, a_World);
-		case E_BLOCK_CHEST:         return new cChestEntity       (a_BlockX, a_BlockY, a_BlockZ, a_World);
+		case E_BLOCK_TRAPPED_CHEST:
+		case E_BLOCK_CHEST:         return new cChestEntity       (a_BlockX, a_BlockY, a_BlockZ, a_World, a_BlockType);
 		case E_BLOCK_COMMAND_BLOCK: return new cCommandBlockEntity(a_BlockX, a_BlockY, a_BlockZ, a_World);
 		case E_BLOCK_DISPENSER:     return new cDispenserEntity   (a_BlockX, a_BlockY, a_BlockZ, a_World);
 		case E_BLOCK_DROPPER:       return new cDropperEntity     (a_BlockX, a_BlockY, a_BlockZ, a_World);
diff --git a/src/BlockEntities/ChestEntity.cpp b/src/BlockEntities/ChestEntity.cpp
index cb9cc89bf..8626f3cad 100644
--- a/src/BlockEntities/ChestEntity.cpp
+++ b/src/BlockEntities/ChestEntity.cpp
@@ -11,8 +11,9 @@
 
 
 
-cChestEntity::cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
-	super(E_BLOCK_CHEST, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World)
+cChestEntity::cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World, BLOCKTYPE a_Type) :
+	super(a_Type, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World),
+	m_ActivePlayers(0)
 {
 	cBlockEntityWindowOwner::SetBlockEntity(this);
 }
@@ -113,7 +114,7 @@ void cChestEntity::UsedBy(cPlayer * a_Player)
 	// The few false positives aren't much to worry about
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(m_PosX, m_PosZ, ChunkX, ChunkZ);
-	m_World->MarkChunkDirty(ChunkX, ChunkZ);
+	m_World->MarkChunkDirty(ChunkX, ChunkZ, true);
 }
 
 
diff --git a/src/BlockEntities/ChestEntity.h b/src/BlockEntities/ChestEntity.h
index ce16f84d7..42cf7657c 100644
--- a/src/BlockEntities/ChestEntity.h
+++ b/src/BlockEntities/ChestEntity.h
@@ -35,7 +35,7 @@ public:
 	// tolua_end
 	
 	/// Constructor used for normal operation
-	cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
+	cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World, BLOCKTYPE a_Type);
 	
 	virtual ~cChestEntity();
 
@@ -50,6 +50,17 @@ public:
 	
 	/// Opens a new chest window for this chest. Scans for neighbors to open a double chest window, if appropriate.
 	void OpenNewWindow(void);
+
+	/** Gets the number of players who currently have this chest open */
+	int GetNumberOfPlayers(void) const { return m_ActivePlayers; }
+
+	/** Gets the number of players who currently have this chest open */
+	void SetNumberOfPlayers(int a_Amount) { m_ActivePlayers = a_Amount; }
+
+private:
+
+	/** Holds the number of players who currently have this chest open */
+	int m_ActivePlayers;
 } ;  // tolua_export
 
 
diff --git a/src/BlockEntities/HopperEntity.cpp b/src/BlockEntities/HopperEntity.cpp
index 5856f20d1..bcaf26701 100644
--- a/src/BlockEntities/HopperEntity.cpp
+++ b/src/BlockEntities/HopperEntity.cpp
@@ -157,6 +157,7 @@ bool cHopperEntity::MoveItemsIn(cChunk & a_Chunk, Int64 a_CurrentTick)
 	bool res = false;
 	switch (a_Chunk.GetBlock(m_RelX, m_PosY + 1, m_RelZ))
 	{
+		case E_BLOCK_TRAPPED_CHEST:
 		case E_BLOCK_CHEST:
 		{
 			// Chests have special handling because of double-chests
@@ -322,6 +323,7 @@ bool cHopperEntity::MoveItemsOut(cChunk & a_Chunk, Int64 a_CurrentTick)
 	bool res = false;
 	switch (DestChunk->GetBlock(OutRelX, OutY, OutRelZ))
 	{
+		case E_BLOCK_TRAPPED_CHEST:
 		case E_BLOCK_CHEST:
 		{
 			// Chests have special handling because of double-chests
@@ -395,13 +397,17 @@ bool cHopperEntity::MoveItemsFromChest(cChunk & a_Chunk)
 		int x = m_RelX + Coords[i].x;
 		int z = m_RelZ + Coords[i].z;
 		cChunk * Neighbor = a_Chunk.GetRelNeighborChunkAdjustCoords(x, z);
-		if (
-			(Neighbor == NULL) ||
-			(Neighbor->GetBlock(x, m_PosY + 1, z) != E_BLOCK_CHEST)
-		)
+		if (Neighbor == NULL)
 		{
 			continue;
 		}
+
+		BLOCKTYPE Block = Neighbor->GetBlock(x, m_PosY + 1, z);
+		if ((Block != E_BLOCK_CHEST) && (Block != E_BLOCK_TRAPPED_CHEST))
+		{
+			continue;
+		}
+
 		Chest = (cChestEntity *)Neighbor->GetBlockEntity(m_PosX + Coords[i].x, m_PosY + 1, m_PosZ + Coords[i].z);
 		if (Chest == NULL)
 		{
@@ -572,13 +578,17 @@ bool cHopperEntity::MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_Block
 		int x = RelX + Coords[i].x;
 		int z = RelZ + Coords[i].z;
 		cChunk * Neighbor = a_Chunk.GetRelNeighborChunkAdjustCoords(x, z);
-		if (
-			(Neighbor == NULL) ||
-			(Neighbor->GetBlock(x, a_BlockY, z) != E_BLOCK_CHEST)
-		)
+		if (Neighbor == NULL)
 		{
 			continue;
 		}
+
+		BLOCKTYPE Block = Neighbor->GetBlock(x, a_BlockY, z);
+		if ((Block != E_BLOCK_CHEST) && (Block != E_BLOCK_TRAPPED_CHEST))
+		{
+			continue;
+		}
+
 		Chest = (cChestEntity *)Neighbor->GetBlockEntity(a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z);
 		if (Chest == NULL)
 		{