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#pragma once
#include "BlockHandler.h"
class cBlockTrapdoorHandler :
public cBlockHandler
{
public:
cBlockTrapdoorHandler(BLOCKTYPE a_BlockType)
: cBlockHandler(a_BlockType)
{
}
virtual const char * GetStepSound(void) override
{
return "step.wood";
}
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 void OnUse(cChunkInterface * a_ChunkInterface, cWorldInterface * a_WorldInterface, 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
{
// Flip the ON bit on/off using the XOR bitwise operation
NIBBLETYPE Meta = (a_ChunkInterface->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) ^ 0x04);
a_ChunkInterface->SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
}
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface * a_ChunkInterface, 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
{
a_BlockType = m_BlockType;
a_BlockMeta = BlockFaceToMetaData(a_BlockFace);
if (a_CursorY > 7)
{
a_BlockMeta |= 0x8;
}
return true;
}
inline static NIBBLETYPE BlockFaceToMetaData(char a_BlockFace)
{
switch (a_BlockFace)
{
case BLOCK_FACE_ZP: return 0x1;
case BLOCK_FACE_ZM: return 0x0;
case BLOCK_FACE_XP: return 0x3;
case BLOCK_FACE_XM: return 0x2;
default:
{
ASSERT(!"Unhandled block face!");
return 0x0;
}
}
}
inline static NIBBLETYPE BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
{
switch (a_Meta & 0x3)
{
case 0x0: return BLOCK_FACE_ZM;
case 0x1: return BLOCK_FACE_ZP;
case 0x2: return BLOCK_FACE_XM;
case 0x3: return BLOCK_FACE_XP;
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) && (g_BlockIsSolid[BlockIsOn]);
}
};
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