2 files changed, 11 insertions, 17 deletions

diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp
index c1a2fcaae..7b3a2c2fa 100644
--- a/src/Simulator/IncrementalRedstoneSimulator.cpp
+++ b/src/Simulator/IncrementalRedstoneSimulator.cpp
@@ -3,11 +3,9 @@
 
 #include "IncrementalRedstoneSimulator.h"
 #include "BoundingBox.h"
-#include "../BlockEntities/DropSpenserEntity.h"
-#include "../BlockEntities/NoteEntity.h"
+#include "../BlockEntities/RedstonePoweredEntity.h"
 #include "../BlockEntities/ChestEntity.h"
 #include "../BlockEntities/CommandBlockEntity.h"
-#include "../Entities/TNTEntity.h"
 #include "../Entities/Pickup.h"
 #include "../Blocks/BlockTorch.h"
 #include "../Blocks/BlockDoor.h"
@@ -842,13 +840,13 @@ void cIncrementalRedstoneSimulator::HandlePiston(int a_RelBlockX, int a_RelBlock
 void cIncrementalRedstoneSimulator::HandleDropSpenser(int a_RelBlockX, int a_RelBlockY, int a_RelBlockZ)
 {
 	class cSetPowerToDropSpenser :
-		public cDropSpenserCallback
+		public cRedstonePoweredCallback
 	{
 		bool m_IsPowered;
 	public:
 		cSetPowerToDropSpenser(bool a_IsPowered) : m_IsPowered(a_IsPowered) {}
 
-		virtual bool Item(cDropSpenserEntity * a_DropSpenser) override
+		virtual bool Item(cRedstonePoweredEntity * a_DropSpenser) override
 		{
 			a_DropSpenser->SetRedstonePower(m_IsPowered);
 			return false;
@@ -857,7 +855,7 @@ void cIncrementalRedstoneSimulator::HandleDropSpenser(int a_RelBlockX, int a_Rel
 
 	int BlockX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelBlockX;
 	int BlockZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelBlockZ;
-	m_Chunk->DoWithDropSpenserAt(BlockX, a_RelBlockY, BlockZ, DrSpSP);
+	m_Chunk->DoWithRedstonePoweredEntityAt(BlockX, a_RelBlockY, BlockZ, DrSpSP);
 }
 
 
@@ -1034,25 +1032,21 @@ void cIncrementalRedstoneSimulator::HandleNoteBlock(int a_RelBlockX, int a_RelBl
 		if (!AreCoordsSimulated(a_RelBlockX, a_RelBlockY, a_RelBlockZ, true))
 		{
 			class cSetPowerToNoteBlock :
-				public cNoteBlockCallback
+				public cRedstonePoweredCallback
 			{
-				bool m_IsPowered;
 			public:
-				cSetPowerToNoteBlock(bool a_IsPowered) : m_IsPowered(a_IsPowered) {}
+				cSetPowerToNoteBlock() {}
 
-				virtual bool Item(cNoteEntity * a_NoteBlock) override
+				virtual bool Item(cRedstonePoweredEntity * a_NoteBlock) override
 				{
-					if (m_IsPowered)
-					{
-						a_NoteBlock->MakeSound();
-					}
+					a_NoteBlock->SetRedstonePower(true);
 					return false;
 				}
-			} NoteBlockSP(m_bAreCoordsPowered);
+			} NoteBlockSP;
 
 			int BlockX = (m_Chunk->GetPosX() * cChunkDef::Width) + a_RelBlockX;
 			int BlockZ = (m_Chunk->GetPosZ() * cChunkDef::Width) + a_RelBlockZ;
-			m_Chunk->DoWithNoteBlockAt(BlockX, a_RelBlockY, BlockZ, NoteBlockSP);
+			m_Chunk->DoWithRedstonePoweredEntityAt(BlockX, a_RelBlockY, BlockZ, NoteBlockSP);
 			SetPlayerToggleableBlockAsSimulated(a_RelBlockX, a_RelBlockY, a_RelBlockZ, true);
 		}
 	}
diff --git a/src/Simulator/VanillaFluidSimulator.cpp b/src/Simulator/VanillaFluidSimulator.cpp
index 18d9b07e1..6df75eebb 100644
--- a/src/Simulator/VanillaFluidSimulator.cpp
+++ b/src/Simulator/VanillaFluidSimulator.cpp
@@ -98,7 +98,7 @@ int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int
 	}
 
 	// Check if block below is passable
-	if (!a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY - 1, a_RelZ, BlockType, BlockMeta))
+	if ((a_RelY > 0) && !a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY - 1, a_RelZ, BlockType, BlockMeta))
 	{
 		return Cost;
 	}