6 files changed, 45 insertions, 12 deletions
diff --git a/src/Simulator/CMakeLists.txt b/src/Simulator/CMakeLists.txt
index 5aa406717..5ac39bb0f 100644
--- a/src/Simulator/CMakeLists.txt
+++ b/src/Simulator/CMakeLists.txt
@@ -31,6 +31,13 @@ SET (HDRS
 	VanillaFluidSimulator.h
 	VaporizeFluidSimulator.h)
 
+
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set_source_files_properties(FireSimulator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion")
+	set_source_files_properties(FluidSimulator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=sign-conversion -Wno-error=shadow")
+	set_source_files_properties(IncrementalRedstoneSimulator.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=conversion -Wno-error=old-style-cast")
+endif()
+
 if(NOT MSVC)
 	add_library(Simulator ${SRCS} ${HDRS})
 endif()
diff --git a/src/Simulator/DelayedFluidSimulator.cpp b/src/Simulator/DelayedFluidSimulator.cpp
index 0973962b6..e0da3ff61 100644
--- a/src/Simulator/DelayedFluidSimulator.cpp
+++ b/src/Simulator/DelayedFluidSimulator.cpp
@@ -99,8 +99,8 @@ void cDelayedFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 		return;
 	}
 
-	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
-	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
+	auto ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
+	cDelayedFluidSimulatorChunkData * ChunkData = static_cast<cDelayedFluidSimulatorChunkData *>(ChunkDataRaw);
 	cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_AddSlotNum];
 	
 	// Add, if not already present:
@@ -132,8 +132,8 @@ void cDelayedFluidSimulator::Simulate(float a_Dt)
 
 void cDelayedFluidSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
 {
-	void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
-	cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
+	auto ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
+	cDelayedFluidSimulatorChunkData * ChunkData = static_cast<cDelayedFluidSimulatorChunkData *>(ChunkDataRaw);
 	cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_SimSlotNum];
 	
 	// Simulate all the blocks in the scheduled slot:
@@ -148,7 +148,7 @@ void cDelayedFluidSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a
 		{
 			SimulateBlock(a_Chunk, itr->x, itr->y, itr->z);
 		}
-		m_TotalBlocks -= (int)Blocks.size();
+		m_TotalBlocks -= static_cast<int>(Blocks.size());
 		Blocks.clear();
 	}
 }
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index a9481edb0..69c46f090 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -255,7 +255,14 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 			);
 			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
-			a_NearChunk->BroadcastSoundEffect("random.fizz", (double)BlockX, (double)a_RelY, (double)BlockZ, 0.5f, 1.5f);
+			a_NearChunk->BroadcastSoundEffect(
+				"random.fizz",
+				static_cast<double>(BlockX),
+				static_cast<double>(a_RelY),
+				static_cast<double>(BlockZ),
+				0.5f,
+				1.5f
+			);
 			return;
 		}
 	}
@@ -270,7 +277,14 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 			);
 			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
-			a_NearChunk->BroadcastSoundEffect("random.fizz", (double)BlockX, (double)a_RelY, (double)BlockZ, 0.5f, 1.5f);
+			a_NearChunk->BroadcastSoundEffect(
+				"random.fizz",
+				static_cast<double>(BlockX),
+				static_cast<double>(a_RelY),
+				static_cast<double>(BlockZ),
+				0.5f,
+				1.5f
+			);
 			return;
 		}
 	}
diff --git a/src/Simulator/SandSimulator.cpp b/src/Simulator/SandSimulator.cpp
index 497f81999..70dde8cc0 100644
--- a/src/Simulator/SandSimulator.cpp
+++ b/src/Simulator/SandSimulator.cpp
@@ -65,7 +65,7 @@ void cSandSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX,
 			a_Chunk->SetBlock(itr->x, itr->y, itr->z, E_BLOCK_AIR, 0);
 		}
 	}
-	m_TotalBlocks -= (int)ChunkData.size();
+	m_TotalBlocks -= static_cast<int>(ChunkData.size());
 	ChunkData.clear();
 }
 
@@ -265,8 +265,13 @@ void cSandSimulator::FinishFalling(
 	
 	// Create a pickup instead:
 	cItems Pickups;
-	Pickups.Add((ENUM_ITEM_ID)a_FallingBlockType, 1, a_FallingBlockMeta);
-	a_World->SpawnItemPickups(Pickups, (double)a_BlockX + 0.5, (double)a_BlockY + 0.5, (double)a_BlockZ + 0.5);
+	Pickups.Add(static_cast<ENUM_ITEM_ID>(a_FallingBlockType), 1, a_FallingBlockMeta);
+	a_World->SpawnItemPickups(
+		Pickups,
+		static_cast<double>(a_BlockX) + 0.5,
+		static_cast<double>(a_BlockY) + 0.5,
+		static_cast<double>(a_BlockZ) + 0.5
+	);
 }
 
 
diff --git a/src/Simulator/VanillaFluidSimulator.cpp b/src/Simulator/VanillaFluidSimulator.cpp
index 6df75eebb..f6fe1e9ec 100644
--- a/src/Simulator/VanillaFluidSimulator.cpp
+++ b/src/Simulator/VanillaFluidSimulator.cpp
@@ -105,7 +105,7 @@ int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int
 	if (IsPassableForFluid(BlockType) || IsBlockLiquid(BlockType))
 	{
 		// Path found, exit
-		return a_Iteration;
+		return static_cast<int>(a_Iteration);
 	}
 
 	// 5 blocks away, bail out
diff --git a/src/Simulator/VaporizeFluidSimulator.cpp b/src/Simulator/VaporizeFluidSimulator.cpp
index 119742346..d766b069f 100644
--- a/src/Simulator/VaporizeFluidSimulator.cpp
+++ b/src/Simulator/VaporizeFluidSimulator.cpp
@@ -35,7 +35,14 @@ void cVaporizeFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ,
 	)
 	{
 		a_Chunk->SetBlock(RelX, a_BlockY, RelZ, E_BLOCK_AIR, 0);
-		a_Chunk->BroadcastSoundEffect("random.fizz", (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 1.0f, 0.6f);
+		a_Chunk->BroadcastSoundEffect(
+			"random.fizz",
+			static_cast<double>(a_BlockX),
+			static_cast<double>(a_BlockY),
+			static_cast<double>(a_BlockZ),
+			1.0f,
+			0.6f
+		);
 	}
 }