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