17 files changed, 100 insertions, 93 deletions

diff --git a/lib/lua/Makefile b/lib/lua/Makefile
index d23c39cc1..8c8cf168a 100644
--- a/lib/lua/Makefile
+++ b/lib/lua/Makefile
@@ -733,54 +733,6 @@ src/ltm.c.s:
 	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/ltm.c.s
 .PHONY : src/ltm.c.s
 
-src/lua.o: src/lua.c.o
-.PHONY : src/lua.o
-
-# target to build an object file
-src/lua.c.o:
-	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/lua.c.o
-.PHONY : src/lua.c.o
-
-src/lua.i: src/lua.c.i
-.PHONY : src/lua.i
-
-# target to preprocess a source file
-src/lua.c.i:
-	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/lua.c.i
-.PHONY : src/lua.c.i
-
-src/lua.s: src/lua.c.s
-.PHONY : src/lua.s
-
-# target to generate assembly for a file
-src/lua.c.s:
-	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/lua.c.s
-.PHONY : src/lua.c.s
-
-src/luac.o: src/luac.c.o
-.PHONY : src/luac.o
-
-# target to build an object file
-src/luac.c.o:
-	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/luac.c.o
-.PHONY : src/luac.c.o
-
-src/luac.i: src/luac.c.i
-.PHONY : src/luac.i
-
-# target to preprocess a source file
-src/luac.c.i:
-	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/luac.c.i
-.PHONY : src/luac.c.i
-
-src/luac.s: src/luac.c.s
-.PHONY : src/luac.s
-
-# target to generate assembly for a file
-src/luac.c.s:
-	cd /home/tycho/MCServer && $(MAKE) -f lib/lua/CMakeFiles/lua.dir/build.make lib/lua/CMakeFiles/lua.dir/src/luac.c.s
-.PHONY : src/luac.c.s
-
 src/lundump.o: src/lundump.c.o
 .PHONY : src/lundump.o
 
@@ -964,12 +916,6 @@ help:
 	@echo "... src/ltm.o"
 	@echo "... src/ltm.i"
 	@echo "... src/ltm.s"
-	@echo "... src/lua.o"
-	@echo "... src/lua.i"
-	@echo "... src/lua.s"
-	@echo "... src/luac.o"
-	@echo "... src/luac.i"
-	@echo "... src/luac.s"
 	@echo "... src/lundump.o"
 	@echo "... src/lundump.i"
 	@echo "... src/lundump.s"
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index 475dec42a..a6c31b6d3 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -246,6 +246,7 @@ public:
 	>
 	bool Call(FnT a_FnName, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -263,8 +264,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -283,8 +285,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename ArgT2, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -304,8 +307,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -326,8 +330,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -349,8 +354,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -374,8 +380,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6,
 		typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -400,8 +407,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6,
 		typename ArgT7, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -427,8 +435,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6,
 		typename ArgT7, typename ArgT8, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -455,8 +464,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6,
 		typename ArgT7, typename ArgT8, typename ArgT9, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -484,8 +494,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6,
 		typename ArgT7, typename ArgT8, typename ArgT9, typename ArgT10, typename RetT1
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, ArgT10 a_Arg10, const cRet & /*a_Mark*/, RetT1 & a_Ret1)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, ArgT10 a_Arg10, const cRet & a_Mark, RetT1 & a_Ret1)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -513,8 +524,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -534,8 +546,9 @@ public:
 	template<
 		typename FnT, typename ArgT1, typename ArgT2, typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -557,8 +570,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3,
 		typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -581,8 +595,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4,
 		typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -606,8 +621,9 @@ public:
 		typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5,
 		typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -633,8 +649,9 @@ public:
 		typename ArgT6,
 		typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -661,8 +678,9 @@ public:
 		typename ArgT6, typename ArgT7,
 		typename RetT1, typename RetT2
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -690,8 +708,9 @@ public:
 		typename ArgT6, typename ArgT7,
 		typename RetT1, typename RetT2, typename RetT3
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -720,8 +739,9 @@ public:
 		typename ArgT6, typename ArgT7, typename ArgT8,
 		typename RetT1, typename RetT2, typename RetT3
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
@@ -751,8 +771,9 @@ public:
 		typename ArgT6, typename ArgT7, typename ArgT8, typename ArgT9, 
 		typename RetT1, typename RetT2, typename RetT3, typename RetT4, typename RetT5
 	>
-	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, const cRet & /*a_Mark*/, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3, RetT4 & a_Ret4, RetT5 & a_Ret5)
+	bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3, RetT4 & a_Ret4, RetT5 & a_Ret5)
 	{
+		UNUSED(a_Mark);
 		if (!PushFunction(a_FnName))
 		{
 			return false;
diff --git a/src/BlockEntities/BlockEntity.h b/src/BlockEntities/BlockEntity.h
index 4a2939b32..c3b8d41c0 100644
--- a/src/BlockEntities/BlockEntity.h
+++ b/src/BlockEntities/BlockEntity.h
@@ -87,7 +87,12 @@ 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*/) { return false; }
+	virtual bool Tick(float a_Dt, cChunk & a_Chunk)
+	{
+		UNUSED(a_Dt);
+		UNUSED(a_Chunk); 
+		return false;
+	}
 
 protected:
 	/// Position in absolute block coordinates
diff --git a/src/BlockEntities/BlockEntityWithItems.h b/src/BlockEntities/BlockEntityWithItems.h
index f2c51fd9e..bf6289a2f 100644
--- a/src/BlockEntities/BlockEntityWithItems.h
+++ b/src/BlockEntities/BlockEntityWithItems.h
@@ -71,8 +71,9 @@ protected:
 	cItemGrid m_Contents;
 	
 	// cItemGrid::cListener overrides:
-	virtual void OnSlotChanged(cItemGrid * a_Grid, int /*a_SlotNum*/)
+	virtual void OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum)
 	{
+		UNUSED(a_SlotNum);
 		ASSERT(a_Grid == &m_Contents);
 		if (m_World != NULL)
 		{
diff --git a/src/Blocks/BlockHandler.h b/src/Blocks/BlockHandler.h
index 1dc0e2a2a..a732aa797 100644
--- a/src/Blocks/BlockHandler.h
+++ b/src/Blocks/BlockHandler.h
@@ -99,7 +99,11 @@ public:
 	virtual bool DoesIgnoreBuildCollision(void);
 
 	/// <summary>Similar to DoesIgnoreBuildCollision(void), but is used for cases where block meta/player item-in-hand is needed to determine collision (thin snow)</summary>
-	virtual bool DoesIgnoreBuildCollision(cPlayer *, NIBBLETYPE /*a_Meta*/) { return DoesIgnoreBuildCollision(); }
+	virtual bool DoesIgnoreBuildCollision(cPlayer *, NIBBLETYPE a_Meta) 
+	{ 
+		UNUSED(a_Meta);
+		return DoesIgnoreBuildCollision(); 
+	}
 
 	/// <summary>Returns if this block drops if it gets destroyed by an unsuitable situation. Default: true</summary>
 	virtual bool DoesDropOnUnsuitable(void);
diff --git a/src/ChunkDef.h b/src/ChunkDef.h
index c6f6c50b3..bf41aa625 100644
--- a/src/ChunkDef.h
+++ b/src/ChunkDef.h
@@ -180,8 +180,9 @@ 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);
 
 		a_X = a_X - a_ChunkX * Width;
diff --git a/src/CommandOutput.h b/src/CommandOutput.h
index 80339b405..3763d625f 100644
--- a/src/CommandOutput.h
+++ b/src/CommandOutput.h
@@ -35,9 +35,10 @@ class cNullCommandOutputCallback :
 	public cCommandOutputCallback
 {
 	// cCommandOutputCallback overrides:
-	virtual void Out(const AString & /*a_Text*/) override
+	virtual void Out(const AString & a_Text) override
 	{
 		// Do nothing
+		UNUSED(a_Text);
 	}
 } ;
 
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 0d7634f73..3634f087c 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -354,7 +354,11 @@ public:
 	virtual void OnRightClicked(cPlayer &) {};
 
 	/// Returns the list of drops for this pawn when it is killed. May check a_Killer for special handling (sword of looting etc.). Called from KilledBy().
-	virtual void GetDrops(cItems & /*a_Drops*/, cEntity * /*a_Killer*/ = NULL) {}
+	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) 
+	{
+		UNUSED(a_Drops);
+		UNUSED(a_Killer);
+	}
 
 protected:
 	static cCriticalSection m_CSCount;
@@ -420,11 +424,11 @@ protected:
 	void Dereference( cEntity*& a_EntityPtr );
 	
 private:
-	// Measured in degrees (MAX 360°)
+	// Measured in degrees (MAX 360 degrees)
 	double   m_HeadYaw;
 	// Measured in meter/second (m/s)
 	Vector3d m_Speed;
-	// Measured in degrees (MAX 360°)
+	// Measured in degrees (MAX 360 degrees)
 	Vector3d m_Rot;
 	
 	/// Position of the entity's XZ center and Y bottom
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index 0a3f50d19..f9ce950ba 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -45,7 +45,7 @@ public:
 	
 	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
 
-	virtual void HandlePhysics(float /*a_Dt*/, cChunk &) override { };
+	virtual void HandlePhysics(float a_Dt, cChunk &) override { UNUSED(a_Dt); };
 
 	/// Returns the curently equipped weapon; empty item if none
 	virtual cItem GetEquippedWeapon(void) const override { return m_Inventory.GetEquippedItem(); }
diff --git a/src/Entities/ProjectileEntity.h b/src/Entities/ProjectileEntity.h
index e9e377fe0..4721409ee 100644
--- a/src/Entities/ProjectileEntity.h
+++ b/src/Entities/ProjectileEntity.h
@@ -52,7 +52,11 @@ public:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace);
 	
 	/// Called by the physics blocktracer when the entity hits another entity
-	virtual void OnHitEntity(cEntity & /*a_EntityHit*/, const Vector3d & /*a_HitPos*/) {}
+	virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) 
+	{
+		UNUSED(a_EntityHit);
+		UNUSED(a_HitPos);
+	}
 	
 	/// Called by Chunk when the projectile is eligible for player collection
 	virtual void CollectedBy(cPlayer * a_Dest);
diff --git a/src/Items/ItemHandler.h b/src/Items/ItemHandler.h
index cee3fb73b..db0ffc9db 100644
--- a/src/Items/ItemHandler.h
+++ b/src/Items/ItemHandler.h
@@ -25,7 +25,13 @@ public:
 	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir);
 	
 	/// Called when the client sends the SHOOT status in the lclk packet
-	virtual void OnItemShoot(cPlayer *, int /*a_BlockX*/, int /*a_BlockY*/, int /*a_BlockZ*/, char /*a_BlockFace*/) {}
+	virtual void OnItemShoot(cPlayer *, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) 
+	{
+		UNUSED(a_BlockX);
+		UNUSED(a_BlockY);
+		UNUSED(a_BlockZ);
+		UNUSED(a_BlockFace);
+	}
 	
 	/// Called while the player diggs a block using this item
 	virtual bool OnDiggingBlock(cWorld * a_World, cPlayer * a_Player, const cItem & a_HeldItem, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace);
diff --git a/src/Piston.cpp b/src/Piston.cpp
index 17729a352..75eeb5e98 100644
--- a/src/Piston.cpp
+++ b/src/Piston.cpp
@@ -236,8 +236,9 @@ bool cPiston::CanPush(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
 
 
 
-bool cPiston::CanBreakPush(BLOCKTYPE a_BlockType, NIBBLETYPE /*a_BlockMeta*/)
+bool cPiston::CanBreakPush(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
 {
+	UNUSED(a_BlockMeta);
 	return g_BlockPistonBreakable[a_BlockType];
 }
 
diff --git a/src/Simulator/FireSimulator.h b/src/Simulator/FireSimulator.h
index f509c66e2..9ccc3ef4f 100644
--- a/src/Simulator/FireSimulator.h
+++ b/src/Simulator/FireSimulator.h
@@ -22,7 +22,7 @@ public:
 	cFireSimulator(cWorld & a_World, cIniFile & a_IniFile);
 	~cFireSimulator();
 
-	virtual void Simulate(float /*a_Dt*/) override {}  // not used
+	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}  // not used
 	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
 
 	virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) override;
diff --git a/src/Simulator/RedstoneSimulator.h b/src/Simulator/RedstoneSimulator.h
index cfeb2b1f2..1080c3f81 100644
--- a/src/Simulator/RedstoneSimulator.h
+++ b/src/Simulator/RedstoneSimulator.h
@@ -19,7 +19,7 @@ public:
 	cRedstoneSimulator(cWorld & a_World);
 	~cRedstoneSimulator();
 
-	virtual void Simulate(float /*a_Dt*/) override {}; // Not used in this simulator
+	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}  // not used
 	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
 	virtual bool IsAllowedBlock( BLOCKTYPE a_BlockType ) override { return IsRedstone(a_BlockType); }
 
diff --git a/src/Simulator/SandSimulator.h b/src/Simulator/SandSimulator.h
index 90447c915..6e64aa425 100644
--- a/src/Simulator/SandSimulator.h
+++ b/src/Simulator/SandSimulator.h
@@ -15,7 +15,7 @@ public:
 	cSandSimulator(cWorld & a_World, cIniFile & a_IniFile);
 
 	// cSimulator overrides:
-	virtual void Simulate(float /*a_Dt*/) override {}  // Unused in this simulator
+	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}  // not used
 	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
 	virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) override;
 	
diff --git a/src/Simulator/Simulator.h b/src/Simulator/Simulator.h
index 3a6252024..a25b7f1b6 100644
--- a/src/Simulator/Simulator.h
+++ b/src/Simulator/Simulator.h
@@ -25,8 +25,14 @@ public:
 	virtual void Simulate(float a_Dt) = 0;
 	
 	/// Called in each tick for each chunk, a_Dt is the time passed since the last tick, in msec; direct access to chunk data available
-	virtual void SimulateChunk(float /*a_Dt*/, int /*a_ChunkX*/,
-		int /*a_ChunkZ*/, cChunk * /*a_Chunk*/) {};
+	virtual void SimulateChunk(float a_Dt, int a_ChunkX,
+		int a_ChunkZ, cChunk * a_Chunk) 
+	{
+		UNUSED(a_Dt);
+		UNUSED(a_ChunkX);
+		UNUSED(a_ChunkZ);
+		UNUSED(a_Chunk);
+	};
 	
 	/// Called when a block changes
 	virtual void WakeUp(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk);
diff --git a/src/WebAdmin.h b/src/WebAdmin.h
index 1a27eabfe..3eb807640 100644
--- a/src/WebAdmin.h
+++ b/src/WebAdmin.h
@@ -169,8 +169,15 @@ protected:
 		virtual void OnBody(const char * a_Data, int a_Size) override;
 
 		// cHTTPFormParser::cCallbacks overrides. Files are ignored:
-		virtual void OnFileStart(cHTTPFormParser &, const AString & /*a_FileName*/) override {}
-		virtual void OnFileData(cHTTPFormParser &, const char * /*a_Data*/, int /*a_Size*/) override {}
+		virtual void OnFileStart(cHTTPFormParser &, const AString & a_FileName) override 
+		{
+			UNUSED(a_FileName);
+		}
+		virtual void OnFileData(cHTTPFormParser &, const char * a_Data, int a_Size) override 
+		{
+			UNUSED(a_Data);
+			UNUSED(a_Size);
+		}
 		virtual void OnFileEnd(cHTTPFormParser &) override {}
 	} ;