1 files changed, 34 insertions, 0 deletions

diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index cd7dc698c..9e06f58ec 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -2127,6 +2127,40 @@ bool cChunk::DoWithBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ, cBloc
 
 
 
+bool cChunk::DoWithRedstonePoweredEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ, cRedstonePoweredCallback & a_Callback)
+{
+	// The blockentity list is locked by the parent chunkmap's CS
+	for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2)
+	{
+		++itr2;
+		if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ))
+		{
+			continue;
+		}
+		switch ((*itr)->GetBlockType())
+		{
+			case E_BLOCK_DROPPER:
+			case E_BLOCK_DISPENSER:
+			break;
+			default:
+			// There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out
+			return false;
+		}
+		
+		if (a_Callback.Item((cRedstonePoweredEntity *)*itr))
+		{
+			return false;
+		}
+		return true;
+	}  // for itr - m_BlockEntitites[]
+	
+	// Not found:
+	return false;
+}
+
+
+
+
 bool cChunk::DoWithBeaconAt(int a_BlockX, int a_BlockY, int a_BlockZ, cBeaconCallback & a_Callback)
 {
 	// The blockentity list is locked by the parent chunkmap's CS