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path: root/src/Blocks/BlockSignPost.h
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#pragma once

#include "BlockHandler.h"
#include "../Entities/Player.h"
#include "Chunk.h"





class cBlockSignPostHandler :
	public cBlockHandler
{
public:
	cBlockSignPostHandler(BLOCKTYPE a_BlockType)
		: cBlockHandler(a_BlockType)
	{
	}


	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
	{
		a_Pickups.push_back(cItem(E_ITEM_SIGN, 1, 0));
	}


	virtual const char * GetStepSound(void) override
	{
		return "step.wood";
	}


	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
	{
		if (a_RelY <= 0)
		{
			return false;
		}

		return (cBlockInfo::IsSolid(a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)));
	}


	static NIBBLETYPE RotationToMetaData(double a_Rotation)
	{
		a_Rotation += 180 + (180 / 16);  // So it's not aligned with axis
		if (a_Rotation > 360)
		{
			a_Rotation -= 360;
		}
		
		a_Rotation = (a_Rotation / 360) * 16;
		
		return ((char)a_Rotation) % 16;
	}


	virtual void OnPlacedByPlayer(
		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
		int a_CursorX, int a_CursorY, int a_CursorZ,
		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
	) override
	{
		a_Player->GetClientHandle()->SendEditSign(a_BlockX, a_BlockY, a_BlockZ);
	}


	virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
	{
		return (a_Meta + 4) & 0x0f;
	}


	virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
	{
		return (a_Meta + 12) & 0x0f;
	}

	virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override
	{
		//  Mirrors signs over the XY plane (North-South Mirroring)

		//  There are 16 meta values which correspond to different directions.
		//  These values are equated to angles on a circle; 0x08 = 180 degrees.
		return (a_Meta < 0x08) ? (0x08 + a_Meta) : (0x08 - a_Meta);
	}


	virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override
	{
		//  Mirrors signs over the YZ plane (East-West Mirroring)

		//  There are 16 meta values which correspond to different directions.
		//  These values are equated to angles on a circle; 0x10 = 360 degrees.
		return 0x10 - a_Meta;
	}
} ;