diff --git a/VC2008/MCServer.vcproj b/VC2008/MCServer.vcproj
index cb9867450..491e7740e 100644
--- a/VC2008/MCServer.vcproj
+++ b/VC2008/MCServer.vcproj
@@ -494,10 +494,6 @@
 				RelativePath="..\src\Chunk.h"
 				>
 			</File>
-			<File
-				RelativePath="..\src\Chunk.inl.h"
-				>
-			</File>
 			<File
 				RelativePath="..\src\ChunkDef.h"
 				>
diff --git a/src/BlockEntities/BlockEntity.h b/src/BlockEntities/BlockEntity.h
index c3b8d41c0..7c6688f8d 100644
--- a/src/BlockEntities/BlockEntity.h
+++ b/src/BlockEntities/BlockEntity.h
@@ -87,10 +87,9 @@ public:
 	virtual void SendTo(cClientHandle & a_Client) = 0;
 	
 	/// Ticks the entity; returns true if the chunk should be marked as dirty as a result of this ticking. By default does nothing.
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk)
+	virtual bool Tick(float a_Dt, cChunk & /* a_Chunk */)
 	{
 		UNUSED(a_Dt);
-		UNUSED(a_Chunk); 
 		return false;
 	}
 
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index a16d34f3b..b229a4aff 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -527,9 +527,10 @@ void cChunk::SpawnMobs(cMobSpawner& a_MobSpawner)
 
 			// MG TODO : check that "Level" really means Y
 			
-			/*NIBBLETYPE SkyLight = 0;
-
-			NIBBLETYPE BlockLight = 0;*/
+			/*
+			NIBBLETYPE SkyLight = 0;
+			NIBBLETYPE BlockLight = 0;
+			*/
 
 			if (IsLightValid())
 			{
@@ -2323,8 +2324,9 @@ BLOCKTYPE cChunk::GetBlock(int a_BlockIdx) const
 
 void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
 {
-	a_BlockType = cChunkDef::GetBlock (m_BlockTypes, a_RelX, a_RelY, a_RelZ);
-	a_BlockMeta = cChunkDef::GetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ);
+	int Idx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
+	a_BlockType = cChunkDef::GetBlock (m_BlockTypes, Idx);
+	a_BlockMeta = cChunkDef::GetNibble(m_BlockMeta,  Idx);
 }
 
 
@@ -2896,11 +2898,3 @@ NIBBLETYPE cChunk::GetTimeAlteredLight(NIBBLETYPE a_Skylight) const
 
 
 
-
-#if !C_CHUNK_USE_INLINE
-# include "cChunk.inl.h"
-#endif
-
-
-
-
diff --git a/src/Chunk.h b/src/Chunk.h
index 05a96d419..f0a50c3c4 100644
--- a/src/Chunk.h
+++ b/src/Chunk.h
@@ -12,19 +12,6 @@
 
 
 
-#define C_CHUNK_USE_INLINE 1
-
-// Do not touch
-#if C_CHUNK_USE_INLINE
-	#define __C_CHUNK_INLINE__ inline
-#else
-	#define __C_CHUNK_INLINE__
-#endif
-
-
-
-
-
 namespace Json
 {
 	class Value;
@@ -436,8 +423,6 @@ private:
 	void RemoveBlockEntity(cBlockEntity * a_BlockEntity);
 	void AddBlockEntity   (cBlockEntity * a_BlockEntity);
 
-	void SpreadLightOfBlock(NIBBLETYPE * a_LightBuffer, int a_X, int a_Y, int a_Z, char a_Falloff);
-
 	/// Creates a block entity for each block that needs a block entity and doesn't have one in the list
 	void CreateBlockEntities(void);
 	
@@ -482,11 +467,3 @@ typedef std::list<cChunkPtr> cChunkPtrList;
 
 
 
-
-#if C_CHUNK_USE_INLINE
-	#include "Chunk.inl.h"
-#endif
-
-
-
-
diff --git a/src/Chunk.inl.h b/src/Chunk.inl.h
deleted file mode 100644
index fb9c4dad1..000000000
--- a/src/Chunk.inl.h
+++ /dev/null
@@ -1,34 +0,0 @@
-
-#ifndef __C_CHUNK_INL_H__
-#define __C_CHUNK_INL_H__
-
-#ifndef MAX
-# define MAX(a,b) (((a)>(b))?(a):(b))
-#endif
-
-
-
-
-
-__C_CHUNK_INLINE__
-void cChunk::SpreadLightOfBlock(NIBBLETYPE * a_LightBuffer, int a_X, int a_Y, int a_Z, char a_Falloff)
-{
-	unsigned char CurrentLight = cChunkDef::GetNibble( a_LightBuffer, a_X, a_Y, a_Z );
-	cChunkDef::SetNibble( a_LightBuffer, a_X-1, a_Y, a_Z, MAX(cChunkDef::GetNibble( a_LightBuffer, a_X-1, a_Y, a_Z ), MAX(0,CurrentLight-a_Falloff) ) );
-	cChunkDef::SetNibble( a_LightBuffer, a_X+1, a_Y, a_Z, MAX(cChunkDef::GetNibble( a_LightBuffer, a_X+1, a_Y, a_Z ), MAX(0,CurrentLight-a_Falloff) ) );
-	cChunkDef::SetNibble( a_LightBuffer, a_X, a_Y-1, a_Z, MAX(cChunkDef::GetNibble( a_LightBuffer, a_X, a_Y-1, a_Z ), MAX(0,CurrentLight-a_Falloff) ) );
-	cChunkDef::SetNibble( a_LightBuffer, a_X, a_Y+1, a_Z, MAX(cChunkDef::GetNibble( a_LightBuffer, a_X, a_Y+1, a_Z ), MAX(0,CurrentLight-a_Falloff) ) );
-	cChunkDef::SetNibble( a_LightBuffer, a_X, a_Y, a_Z-1, MAX(cChunkDef::GetNibble( a_LightBuffer, a_X, a_Y, a_Z-1 ), MAX(0,CurrentLight-a_Falloff) ) );
-	cChunkDef::SetNibble( a_LightBuffer, a_X, a_Y, a_Z+1, MAX(cChunkDef::GetNibble( a_LightBuffer, a_X, a_Y, a_Z+1 ), MAX(0,CurrentLight-a_Falloff) ) );
-	MarkDirty();
-}
-
-
-
-
-
-#endif
-
-
-
-
diff --git a/src/ChunkDef.h b/src/ChunkDef.h
index bf41aa625..7d727a4d4 100644
--- a/src/ChunkDef.h
+++ b/src/ChunkDef.h
@@ -180,7 +180,7 @@ public:
 
 
 	/// Converts absolute block coords into relative (chunk + block) coords:
-	inline static void AbsoluteToRelative(/* in-out */ int & a_X, int& a_Y, int & a_Z, /* out */ int & a_ChunkX, int & a_ChunkZ )
+	inline static void AbsoluteToRelative(/* in-out */ int & a_X, int & a_Y, int & a_Z, /* out */ int & a_ChunkX, int & a_ChunkZ )
 	{
 		UNUSED(a_Y);
 		BlockToChunk(a_X, a_Z, a_ChunkX, a_ChunkZ);
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 3634f087c..2ba1b303d 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -424,11 +424,13 @@ protected:
 	void Dereference( cEntity*& a_EntityPtr );
 	
 private:
-	// Measured in degrees (MAX 360 degrees)
+	// Measured in degrees, [-180, +180)
 	double   m_HeadYaw;
+	
 	// Measured in meter/second (m/s)
 	Vector3d m_Speed;
-	// Measured in degrees (MAX 360 degrees)
+	
+	// Measured in degrees, [-180, +180)
 	Vector3d m_Rot;
 	
 	/// Position of the entity's XZ center and Y bottom