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#pragma once
#include "BlockHandler.h"
#include "Mixins.h"
class cBlockTripwireHookHandler :
public cMetaRotator<cClearMetaOnDrop<cBlockHandler>, 0x03, 0x02, 0x03, 0x00, 0x01>
{
using Super = cMetaRotator<cClearMetaOnDrop<cBlockHandler>, 0x03, 0x02, 0x03, 0x00, 0x01>;
public:
cBlockTripwireHookHandler(BLOCKTYPE a_BlockType):
Super(a_BlockType)
{
}
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface,
cPlayer & a_Player,
const Vector3i a_PlacedBlockPos,
eBlockFace a_ClickedBlockFace,
const Vector3i a_CursorPos,
BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
) override
{
a_BlockType = m_BlockType;
a_BlockMeta = DirectionToMetadata(a_ClickedBlockFace);
return true;
}
inline static NIBBLETYPE DirectionToMetadata(eBlockFace a_Direction)
{
switch (a_Direction)
{
case BLOCK_FACE_XM: return 0x1;
case BLOCK_FACE_XP: return 0x3;
case BLOCK_FACE_ZM: return 0x2;
case BLOCK_FACE_ZP: return 0x0;
case BLOCK_FACE_NONE:
case BLOCK_FACE_YM:
case BLOCK_FACE_YP:
{
ASSERT(!"Unhandled tripwire hook direction!");
return 0x0;
}
}
UNREACHABLE("Unsupported block face");
}
inline static eBlockFace MetadataToDirection(NIBBLETYPE a_Meta)
{
switch (a_Meta & 0x03)
{
case 0x1: return BLOCK_FACE_XM;
case 0x3: return BLOCK_FACE_XP;
case 0x2: return BLOCK_FACE_ZM;
case 0x0: return BLOCK_FACE_ZP;
default: ASSERT(!"Unhandled tripwire hook metadata!"); return BLOCK_FACE_NONE;
}
}
virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, const Vector3i a_RelPos, const cChunk & a_Chunk) override
{
auto Meta = a_Chunk.GetMeta(a_RelPos);
auto NeighborPos = AddFaceDirection(a_RelPos, MetadataToDirection(Meta), true);
if (!cChunkDef::IsValidHeight(NeighborPos.y))
{
return false;
}
BLOCKTYPE NeighborBlockType;
a_Chunk.UnboundedRelGetBlockType(a_RelPos, NeighborBlockType);
return cBlockInfo::FullyOccupiesVoxel(NeighborBlockType);
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
return 0;
}
};
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