ItemItemFrame.h

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#pragma once
 
#include "ItemHandler.h"
#include "../Entities/ItemFrame.h"
#include "../Entities/Player.h"
 
 
 
 
 
class cItemItemFrameHandler final:
    public cItemHandler
{
    using Super = cItemHandler;
 
public:
 
    using Super::Super;
 
 
 
 
 
    virtual bool OnItemUse(
        cWorld * a_World,
        cPlayer * a_Player,
        cBlockPluginInterface & a_PluginInterface,
        const cItem & a_HeldItem,
        const Vector3i a_ClickedBlockPos,
        eBlockFace a_ClickedBlockFace
    ) const override
    {
        // Can only place on a side face:
        if ((a_ClickedBlockFace == BLOCK_FACE_NONE) || (a_ClickedBlockFace == BLOCK_FACE_YP) || (a_ClickedBlockFace == BLOCK_FACE_YM))
        {
            return false;
        }
 
        // Make sure the support block is a valid block to place an item frame on:
        if (!cHangingEntity::IsValidSupportBlock(a_World->GetBlock(a_ClickedBlockPos)))
        {
            return false;
        }
 
        // Make sure block that will be occupied by the item frame is free now:
        const auto PlacePos = AddFaceDirection(a_ClickedBlockPos, a_ClickedBlockFace);
        BLOCKTYPE Block = a_World->GetBlock(PlacePos);
        if (Block != E_BLOCK_AIR)
        {
            return false;
        }
 
        // An item frame, centred so pickups spawn nicely.
        auto ItemFrame = std::make_unique<cItemFrame>(a_ClickedBlockFace, Vector3d(0.5, 0.5, 0.5) + PlacePos);
        auto ItemFramePtr = ItemFrame.get();
        if (!ItemFramePtr->Initialize(std::move(ItemFrame), *a_World))
        {
            return false;
        }
 
        if (!a_Player->IsGameModeCreative())
        {
            a_Player->GetInventory().RemoveOneEquippedItem();
        }
 
        return true;
    }
};