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#pragma once
#include "BlockHandler.h"
#include "MetaRotator.h"
class cBlockStairsHandler :
public cMetaRotator<cBlockHandler, 0x03, 0x03, 0x00, 0x02, 0x01, true>
{
public:
cBlockStairsHandler(BLOCKTYPE a_BlockType) :
cMetaRotator<cBlockHandler, 0x03, 0x03, 0x00, 0x02, 0x01, true>(a_BlockType)
{
}
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
int a_CursorX, int a_CursorY, int a_CursorZ,
BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
) override
{
UNUSED(a_ChunkInterface);
UNUSED(a_BlockX);
UNUSED(a_BlockY);
UNUSED(a_BlockZ);
UNUSED(a_CursorX);
UNUSED(a_CursorZ);
a_BlockType = m_BlockType;
a_BlockMeta = RotationToMetaData(a_Player->GetYaw());
switch (a_BlockFace)
{
case BLOCK_FACE_TOP: break;
case BLOCK_FACE_BOTTOM: a_BlockMeta = a_BlockMeta | 0x4; break; // When placing onto a bottom face, always place an upside-down stairs block
case BLOCK_FACE_EAST:
case BLOCK_FACE_NORTH:
case BLOCK_FACE_SOUTH:
case BLOCK_FACE_WEST:
{
// When placing onto a sideways face, check cursor, if in top half, make it an upside-down stairs block
if (a_CursorY > 8)
{
a_BlockMeta |= 0x4;
}
break;
}
case BLOCK_FACE_NONE: return false;
}
return true;
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
// Reset meta to zero
a_Pickups.push_back(cItem(m_BlockType, 1, 0));
}
static NIBBLETYPE RotationToMetaData(double a_Rotation)
{
a_Rotation += 90 + 45; // So its not aligned with axis
if (a_Rotation > 360)
{
a_Rotation -= 360;
}
if ((a_Rotation >= 0) && (a_Rotation < 90))
{
return 0x0;
}
else if ((a_Rotation >= 180) && (a_Rotation < 270))
{
return 0x1;
}
else if ((a_Rotation >= 90) && (a_Rotation < 180))
{
return 0x2;
}
else
{
return 0x3;
}
}
virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override
{
// Toggle bit 3:
return (a_Meta & 0x0b) | ((~a_Meta) & 0x04);
}
} ;
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