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#pragma once
#include "BlockHandler.h"
/** Handler for blocks that have 3 orientations (hay bale, log), specified by the upper 2 bits in meta.
Handles setting the correct orientation on placement.
Additionally supports the metadata specifying block sub-type in its lower 2 bits. */
class cBlockSidewaysHandler:
public cBlockHandler
{
using Super = cBlockHandler;
public:
using Super::Super;
private:
virtual bool GetPlacementBlockTypeMeta(
cChunkInterface & a_ChunkInterface,
cPlayer & a_Player,
const Vector3i a_PlacedBlockPos,
eBlockFace a_ClickedBlockFace,
const Vector3i a_CursorPos,
BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
) const override
{
a_BlockType = m_BlockType;
NIBBLETYPE Meta = static_cast<NIBBLETYPE>(a_Player.GetEquippedItem().m_ItemDamage);
a_BlockMeta = BlockFaceToMetaData(a_ClickedBlockFace, Meta);
return true;
}
virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) const override
{
// Reset the orientation part of meta, keep the sub-type part of meta
return cItem(m_BlockType, 1, a_BlockMeta & 0x03);
}
inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace, NIBBLETYPE a_Meta)
{
switch (a_BlockFace)
{
case BLOCK_FACE_YM:
case BLOCK_FACE_YP:
{
return a_Meta; // Top or bottom, just return original
}
case BLOCK_FACE_ZP:
case BLOCK_FACE_ZM:
{
return a_Meta | 0x8; // North or south
}
case BLOCK_FACE_XP:
case BLOCK_FACE_XM:
{
return a_Meta | 0x4; // East or west
}
case BLOCK_FACE_NONE:
{
ASSERT(!"Unhandled block face!");
return a_Meta | 0xC; // No idea, give a special meta
}
}
UNREACHABLE("Unsupported block face");
}
} ;
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