113 lines
2.0 KiB
C++
113 lines
2.0 KiB
C++
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#pragma once
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#include "BlockHandler.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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using Super = cBlockHandler;
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public:
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using Super::Super;
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/** Converts the (player) rotation to placed-signpost block meta. */
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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 (static_cast<char>(a_Rotation)) % 16;
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}
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private:
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virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) const override
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{
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return cItem(E_ITEM_SIGN, 1, 0);
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}
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virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, const Vector3i a_RelPos, const cChunk & a_Chunk) const override
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{
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if (a_RelPos.y <= 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_RelPos.addedY(-1));
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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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virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) const 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) const 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) const 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) : (0x18 - a_Meta);
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}
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virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) const 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 0x0f - a_Meta;
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}
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virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const override
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{
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UNUSED(a_Meta);
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return 13;
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}
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} ;
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