91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
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#pragma once
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#include "BlockHandler.h"
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#include "../Entities/Player.h"
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#include "Chunk.h"
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class cBlockSignPostHandler :
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public cBlockHandler
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{
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typedef cBlockHandler super;
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public:
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cBlockSignPostHandler(BLOCKTYPE a_BlockType) :
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super(a_BlockType)
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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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a_Pickups.push_back(cItem(E_ITEM_SIGN, 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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if (a_RelY <= 0)
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{
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return false;
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}
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BLOCKTYPE Type = a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ);
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return ((Type == E_BLOCK_SIGN_POST) || (Type == E_BLOCK_WALLSIGN) || cBlockInfo::IsSolid(Type));
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}
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static NIBBLETYPE RotationToMetaData(double a_Rotation)
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{
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a_Rotation += 180 + (180 / 16); // So it's not aligned with axis
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if (a_Rotation > 360)
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{
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a_Rotation -= 360;
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}
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a_Rotation = (a_Rotation / 360) * 16;
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return ((char)a_Rotation) % 16;
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}
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virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
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{
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return (a_Meta + 4) & 0x0f;
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}
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virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
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{
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return (a_Meta + 12) & 0x0f;
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}
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virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override
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{
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// Mirrors signs over the XY plane (North-South Mirroring)
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// There are 16 meta values which correspond to different directions.
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// These values are equated to angles on a circle; 0x08 = 180 degrees.
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return (a_Meta < 0x08) ? (0x08 + a_Meta) : (0x08 - a_Meta);
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}
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virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override
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{
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// Mirrors signs over the YZ plane (East-West Mirroring)
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// There are 16 meta values which correspond to different directions.
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// These values are equated to angles on a circle; 0x10 = 360 degrees.
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return 0x10 - a_Meta;
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}
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} ;
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