109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
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#pragma once
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#include "BlockHandler.h"
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class cBlockTrapdoorHandler :
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public cBlockHandler
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{
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public:
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cBlockTrapdoorHandler(BLOCKTYPE a_BlockType)
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: cBlockHandler(a_BlockType)
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{
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}
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virtual const char * GetStepSound(void) override
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{
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return "step.wood";
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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 0
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a_Pickups.push_back(cItem(m_BlockType, 1, 0));
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}
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virtual bool IsUseable(void) override
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{
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return true;
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}
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void OnUse(cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ)
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{
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// Flip the ON bit on/off using the XOR bitwise operation
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NIBBLETYPE Meta = (a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) ^ 0x04);
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a_World->SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
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}
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virtual bool GetPlacementBlockTypeMeta(
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cWorld * a_World, cPlayer * a_Player,
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int a_BlockX, int a_BlockY, int a_BlockZ, char 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 = BlockFaceToMetaData(a_BlockFace);
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/* TODO: fix CursorY issues and uncomment this
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if (a_CursorY > 7)
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{
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a_BlockMeta |= 0x8;
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}
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*/
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return true;
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}
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inline static NIBBLETYPE BlockFaceToMetaData(char a_BlockFace)
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{
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switch (a_BlockFace)
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{
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case BLOCK_FACE_ZP: return 0x1;
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case BLOCK_FACE_ZM: return 0x0;
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case BLOCK_FACE_XP: return 0x3;
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case BLOCK_FACE_XM: return 0x2;
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default:
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{
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ASSERT(!"Unhandled block face!");
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return 0x0;
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}
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}
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}
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inline static NIBBLETYPE BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
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{
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switch (a_Meta & 0x3)
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{
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case 0x0: return BLOCK_FACE_ZM;
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case 0x1: return BLOCK_FACE_ZP;
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case 0x2: return BLOCK_FACE_XM;
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case 0x3: return BLOCK_FACE_XP;
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default:
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{
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ASSERT(!"Unhandled block meta!");
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return BLOCK_FACE_NONE;
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}
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}
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}
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virtual bool CanBeAt(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, BlockMetaDataToBlockFace(Meta), true);
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BLOCKTYPE BlockIsOn; a_Chunk.UnboundedRelGetBlockType(a_RelX, a_RelY, a_RelZ, BlockIsOn);
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return (a_RelY > 0) && (g_BlockIsSolid[BlockIsOn]);
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}
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};
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