ItemBed.h

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#pragma once
 
#include "ItemHandler.h"
#include "Blocks/BlockBed.h"
#include "BlockEntities/BedEntity.h"
 
 
 
 
 
class cItemBedHandler final :
    public cItemHandler
{
    using Super = cItemHandler;
 
public:
 
    using Super::Super;
 
 
    virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) const override
    {
        const auto BlockMeta = cBlockBedHandler::YawToMetaData(a_Player.GetYaw());
        const auto HeadPosition = a_PlacePosition + cBlockBedHandler::MetaDataToDirection(BlockMeta);
 
        auto & World = *a_Player.GetWorld();
        BLOCKTYPE HeadType;
        NIBBLETYPE HeadMeta;
        World.GetBlockTypeMeta(HeadPosition, HeadType, HeadMeta);
 
        // Vanilla only allows beds to be placed into air.
        // Check if there is empty space for the "head" block:
        if (!cBlockHandler::For(HeadType).DoesIgnoreBuildCollision(World, a_HeldItem, HeadPosition, HeadMeta, a_ClickedBlockFace, false))
        {
            return false;
        }
 
        // The "foot", and the "head" block:
        if (
            !a_Player.PlaceBlocks(
            {
                { a_PlacePosition, E_BLOCK_BED, BlockMeta },
                { HeadPosition, E_BLOCK_BED, static_cast<NIBBLETYPE>(BlockMeta | 0x08) }
            })
        )
        {
            return false;
        }
 
        auto SetColor = [&a_HeldItem](cBlockEntity & a_BlockEntity)
        {
            ASSERT(a_BlockEntity.GetBlockType() == E_BLOCK_BED);
 
            static_cast<cBedEntity &>(a_BlockEntity).SetColor(a_HeldItem.m_ItemDamage);
            return false;
        };
        World.DoWithBlockEntityAt(a_PlacePosition, SetColor);
        World.DoWithBlockEntityAt(HeadPosition, SetColor);
 
        return true;
    }
 
 
    virtual bool IsPlaceable(void) const override
    {
        return true;
    }
};