54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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#pragma once
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#include "ItemHandler.h"
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#include "Blocks/BlockSideways.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 cItemSidewaysHandler :
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public cItemHandler
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{
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using Super = cItemHandler;
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public:
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using Super::Super;
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private:
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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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default: UNREACHABLE("Unsupported block face");
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}
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}
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virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
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{
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return a_Player.PlaceBlock(a_PlacePosition, static_cast<BLOCKTYPE>(a_HeldItem.m_ItemType), BlockFaceToMetaData(a_ClickedBlockFace, static_cast<NIBBLETYPE>(a_HeldItem.m_ItemDamage)));
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}
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};
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