ItemStairs.h

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#pragma once
 
#include "ItemHandler.h"
#include "Blocks/BlockStairs.h"
 
 
 
 
 
class cItemStairsHandler final  :
    public cItemHandler
{
    using Super = cItemHandler;
 
public:
 
    using Super::Super;
 
private:
 
    virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) const override
    {
        NIBBLETYPE Meta = cBlockStairsHandler::YawToMetaData(a_Player.GetYaw());
 
        switch (a_ClickedBlockFace)
        {
            case BLOCK_FACE_TOP:    break;
            case BLOCK_FACE_BOTTOM: Meta |= 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_CursorPosition.y > 8)
                {
                    Meta |= 0x4;
                }
                break;
            }
            default: UNREACHABLE("Unhandled block face");
        }
 
        return a_Player.PlaceBlock(a_PlacePosition, static_cast<BLOCKTYPE>(a_HeldItem.m_ItemType), Meta);
    }
};