106 lines
2.1 KiB
C++
106 lines
2.1 KiB
C++
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#pragma once
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#include "BlockHandler.h"
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#include "MetaRotator.h"
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class cBlockStairsHandler :
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public cMetaRotator<cBlockHandler, 0x03, 0x03, 0x00, 0x02, 0x01, true>
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{
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public:
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cBlockStairsHandler(BLOCKTYPE a_BlockType) :
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cMetaRotator<cBlockHandler, 0x03, 0x03, 0x00, 0x02, 0x01, true>(a_BlockType)
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{
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}
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virtual bool GetPlacementBlockTypeMeta(
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cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
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int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace 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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UNUSED(a_ChunkInterface);
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UNUSED(a_BlockX);
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UNUSED(a_BlockY);
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UNUSED(a_BlockZ);
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UNUSED(a_CursorX);
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UNUSED(a_CursorZ);
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a_BlockType = m_BlockType;
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a_BlockMeta = RotationToMetaData(a_Player->GetYaw());
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switch (a_BlockFace)
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{
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case BLOCK_FACE_TOP: break;
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case BLOCK_FACE_BOTTOM: a_BlockMeta = a_BlockMeta | 0x4; break; // When placing onto a bottom face, always place an upside-down stairs block
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case BLOCK_FACE_EAST:
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case BLOCK_FACE_NORTH:
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case BLOCK_FACE_SOUTH:
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case BLOCK_FACE_WEST:
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{
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// When placing onto a sideways face, check cursor, if in top half, make it an upside-down stairs block
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if (a_CursorY > 8)
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{
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a_BlockMeta |= 0x4;
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}
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break;
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}
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case BLOCK_FACE_NONE: return false;
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}
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return true;
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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 zero
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a_Pickups.push_back(cItem(m_BlockType, 1, 0));
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}
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virtual bool CanDirtGrowGrass(NIBBLETYPE a_Meta) override
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{
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return true;
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}
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static NIBBLETYPE RotationToMetaData(double a_Rotation)
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{
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a_Rotation += 90 + 45; // So its 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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if ((a_Rotation >= 0) && (a_Rotation < 90))
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{
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return 0x0;
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}
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else if ((a_Rotation >= 180) && (a_Rotation < 270))
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{
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return 0x1;
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}
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else if ((a_Rotation >= 90) && (a_Rotation < 180))
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{
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return 0x2;
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}
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else
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{
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return 0x3;
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}
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}
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virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override
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{
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// Toggle bit 3:
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return (a_Meta & 0x0b) | ((~a_Meta) & 0x04);
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}
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} ;
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