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cuberite-2a/src/Items/ItemSideways.h

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#pragma once
#include "ItemHandler.h"
#include "Blocks/BlockSideways.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 cItemSidewaysHandler :
public cItemHandler
{
using Super = cItemHandler;
public:
using Super::Super;
private:
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.
}
default: UNREACHABLE("Unsupported block face");
}
}
virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
{
return a_Player.PlaceBlock(a_PlacePosition, static_cast<BLOCKTYPE>(a_HeldItem.m_ItemType), BlockFaceToMetaData(a_ClickedBlockFace, static_cast<NIBBLETYPE>(a_HeldItem.m_ItemDamage)));
}
};