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

#include "BlockHandler.h"
#include "Chunk.h"
#include "MetaRotator.h"




class cBlockButtonHandler :
	public cMetaRotator<cBlockHandler, 0x07, 0x04, 0x01, 0x03, 0x02, true>
{
public:
	cBlockButtonHandler(BLOCKTYPE a_BlockType)
		: cMetaRotator<cBlockHandler, 0x07, 0x04, 0x01, 0x03, 0x02, true>(a_BlockType)
	{
	}
	
	virtual bool OnUse(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) override
	{
		NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
		
		double x(a_BlockX);
		double y(a_BlockY);
		double z(a_BlockZ);

		// If button is already on do nothing
		if (Meta & 0x08)
		{
			return false;
		}

		// Set p the ON bit to on
		Meta |= 0x08;

		a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
		a_WorldInterface.WakeUpSimulators(a_BlockX, a_BlockY, a_BlockZ);
		a_WorldInterface.GetBroadcastManager().BroadcastSoundEffect("random.click", x, y, z, 0.5f, 0.6f);

		// Queue a button reset (unpress)
		int delay = (m_BlockType == E_BLOCK_STONE_BUTTON) ? 20 : 30;

		a_ChunkInterface.QueueSetBlock(a_BlockX, a_BlockY, a_BlockZ, m_BlockType, (a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x07), delay, m_BlockType, a_WorldInterface);

		a_Player->GetWorld()->ScheduleTask(delay, [x, y, z](cWorld & a_World)
		{
			a_World.BroadcastSoundEffect("random.click", x, y, z, 0.5f, 0.5f);
		});

		return true;
	}
	
	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
	{
		// Reset meta to 0
		a_Pickups.push_back(cItem(m_BlockType, 1, 0));
	}

	virtual bool IsUseable(void) override
	{
		return true;
	}
	
	virtual bool GetPlacementBlockTypeMeta(
		cChunkInterface & a_ChunkInterface, 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_BlockType = m_BlockType;
		a_BlockMeta = BlockFaceToMetaData(a_BlockFace);
		return true;
	}

	inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace)
	{
		switch (a_BlockFace)
		{
			case BLOCK_FACE_YP: return 0x5;
			case BLOCK_FACE_ZM: return 0x4;
			case BLOCK_FACE_ZP: return 0x3;
			case BLOCK_FACE_XM: return 0x2;
			case BLOCK_FACE_XP: return 0x1;
			case BLOCK_FACE_YM: return 0x0;
			case BLOCK_FACE_NONE:
			{
				ASSERT(!"Unhandled block face!");
				return 0x0;
			}
		}
		#if !defined(__clang__)
			ASSERT(!"Unknown BLOCK_FACE");
			return 0;
		#endif
	}

	inline static eBlockFace BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
	{
		switch (a_Meta & 0x7)
		{
			case 0x0: return BLOCK_FACE_YM;
			case 0x1: return BLOCK_FACE_XP;
			case 0x2: return BLOCK_FACE_XM;
			case 0x3: return BLOCK_FACE_ZP;
			case 0x4: return BLOCK_FACE_ZM;
			case 0x5: return BLOCK_FACE_YP;
			default:
			{
				ASSERT(!"Unhandled block meta!");
				return BLOCK_FACE_NONE;
			}
		}
	}

	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
	{
		NIBBLETYPE Meta;
		a_Chunk.UnboundedRelGetBlockMeta(a_RelX, a_RelY, a_RelZ, Meta);

		AddFaceDirection(a_RelX, a_RelY, a_RelZ, BlockMetaDataToBlockFace(Meta), true);
		BLOCKTYPE BlockIsOn; a_Chunk.UnboundedRelGetBlockType(a_RelX, a_RelY, a_RelZ, BlockIsOn);

		return (a_RelY > 0) && (cBlockInfo::FullyOccupiesVoxel(BlockIsOn));
	}

	virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
	{
		UNUSED(a_Meta);
		return 0;
	}
} ;