91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
#pragma once
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#include "BlockHandler.h"
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#include "MetaRotator.h"
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class cBlockTripwireHookHandler :
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public cMetaRotator<cBlockHandler, 0x03, 0x02, 0x03, 0x00, 0x01>
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{
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public:
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cBlockTripwireHookHandler(BLOCKTYPE a_BlockType)
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: cMetaRotator<cBlockHandler, 0x03, 0x02, 0x03, 0x00, 0x01>(a_BlockType)
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{
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}
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virtual bool GetPlacementBlockTypeMeta(
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cChunkInterface & a_ChunkInterface, cPlayer & a_Player,
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int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
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int a_CursorX, int a_CursorY, int a_CursorZ,
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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_BlockFace);
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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 void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
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{
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// Reset meta to zero
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a_Pickups.push_back(cItem(E_BLOCK_TRIPWIRE_HOOK, 1, 0));
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}
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virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
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{
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NIBBLETYPE Meta;
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a_Chunk.UnboundedRelGetBlockMeta(a_RelX, a_RelY, a_RelZ, Meta);
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AddFaceDirection(a_RelX, a_RelY, a_RelZ, MetadataToDirection(Meta), true);
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BLOCKTYPE BlockIsOn;
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a_Chunk.UnboundedRelGetBlockType(a_RelX, a_RelY, a_RelZ, BlockIsOn);
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return ((a_RelY > 0) && cBlockInfo::FullyOccupiesVoxel(BlockIsOn));
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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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