125df19477
* When the cause of destruction was world-induced (CanBeAt check failed) there is no tool. Pass the nullptr directly to ConvertToPickups and let it handle it. * Fixes #4795 - Remove unused a_Digger parameter to ConvertToPickups.
87 lines
1.6 KiB
C++
87 lines
1.6 KiB
C++
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#pragma once
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#include "BlockHandler.h"
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/** Handler for blocks that have 3 orientations (hay bale, log), specified by the upper 2 bits in meta.
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Handles setting the correct orientation on placement.
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Additionally supports the metadata specifying block sub-type in its lower 2 bits. */
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class cBlockSidewaysHandler final :
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public cBlockHandler
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{
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using Super = cBlockHandler;
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public:
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using Super::Super;
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private:
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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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) const override
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{
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a_BlockType = m_BlockType;
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NIBBLETYPE Meta = static_cast<NIBBLETYPE>(a_Player.GetEquippedItem().m_ItemDamage);
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a_BlockMeta = BlockFaceToMetaData(a_ClickedBlockFace, Meta);
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return true;
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}
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virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
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{
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// Reset the orientation part of meta, keep the sub-type part of meta
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return cItem(m_BlockType, 1, a_BlockMeta & 0x03);
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}
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inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace, NIBBLETYPE a_Meta)
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{
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switch (a_BlockFace)
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{
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case BLOCK_FACE_YM:
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case BLOCK_FACE_YP:
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{
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return a_Meta; // Top or bottom, just return original
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}
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case BLOCK_FACE_ZP:
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case BLOCK_FACE_ZM:
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{
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return a_Meta | 0x8; // North or south
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}
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case BLOCK_FACE_XP:
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case BLOCK_FACE_XM:
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{
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return a_Meta | 0x4; // East or west
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}
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case BLOCK_FACE_NONE:
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{
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break;
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}
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}
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UNREACHABLE("Unsupported block face");
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}
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} ;
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