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path: root/source/Blocks/BlockPiston.cpp
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#include "Globals.h"
#include "BlockPiston.h"
#include "../Item.h"
#include "../World.h"
#include "../Player.h"
#include "../Piston.h"





#define AddPistonDir(x, y, z, dir, amount) \
	switch (dir) \
	{ \
		case 0: (y) -= (amount); break; \
		case 1: (y) += (amount); break; \
		case 2: (z) -= (amount); break; \
		case 3: (z) += (amount); break; \
		case 4: (x) -= (amount); break; \
		case 5: (x) += (amount); break; \
	}




cBlockPistonHandler::cBlockPistonHandler(BLOCKTYPE a_BlockType)
	: cBlockHandler(a_BlockType)
{
}





void cBlockPistonHandler::OnDestroyed(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
{
	char OldMeta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);

	int newX = a_BlockX;
	int newY = a_BlockY;
	int newZ = a_BlockZ;
	AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1);

	if (a_World->GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION)
	{
		a_World->SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0);
	}
}





bool cBlockPistonHandler::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
)
{
	a_BlockType = E_BLOCK_REDSTONE_REPEATER_OFF;
	a_BlockMeta = cPiston::RotationPitchToMetaData(a_Player->GetRotation(), a_Player->GetPitch());
	return true;
}