Implemented redstone comparators

They can be placed and toggled, but stills needs proper redstone support

source/Blocks/BlockComparator.h

@@ -0,0 +1,57 @@
+
+#pragma once
+
+#include "BlockHandler.h"
+#include "../World.h"
+
+
+
+
+
+class cBlockComparatorHandler :
+	public cBlockHandler
+{
+public:
+	cBlockComparatorHandler(BLOCKTYPE a_BlockType);
+	virtual void OnDestroyed(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override;
+	
+	virtual void OnDigging(cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) override;
+	virtual void OnUse(cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override;
+
+
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		// Reset meta to 0
+		a_Pickups.push_back(cItem(E_ITEM_COMPARATOR, 1, 0));
+	}
+
+
+	virtual bool IsUseable(void) override
+	{
+		return true;
+	}
+	
+	
+	virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
+	{
+		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR));
+	}
+	
+
+	virtual bool GetPlacementBlockTypeMeta(
+		cWorld * a_World, cPlayer * a_Player,
+		int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, 
+		int a_CursorX, int a_CursorY, int a_CursorZ,
+		BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
+	) override;
+
+
+	virtual const char * GetStepSound(void) override
+	{
+		return "step.wood";
+	}
+} ;
+
+
+
+