BlockDropSpenser.h

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// BlockDropSpenser.h

// Declares the cBlockDropSpenserHandler class representing the BlockHandler for Dropper and Dispenser blocks

#pragma once

#include "../Blocks/BlockPiston.h"
#include "../BlockEntities/DropSpenserEntity.h"
#include "Mixins.h"





class cBlockDropSpenserHandler :
    public cMetaRotator<cBlockEntityHandler, 0x07, 0x02, 0x05, 0x03, 0x04>
{
    using super = cMetaRotator<cBlockEntityHandler, 0x07, 0x02, 0x05, 0x03, 0x04>;

public:

    cBlockDropSpenserHandler(BLOCKTYPE a_BlockType):
        super(a_BlockType)
    {
    }





    virtual bool GetPlacementBlockTypeMeta(
        cChunkInterface & a_ChunkInterface, cPlayer & a_Player,
        int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
        int a_CursorX, int a_CursorY, int a_CursorZ,
        BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
    ) override
    {
        a_BlockType = m_BlockType;

        // FIXME: Do not use cPiston class for dispenser placement!
        a_BlockMeta = cBlockPistonHandler::RotationPitchToMetaData(a_Player.GetYaw(), a_Player.GetPitch());
        return true;
    }





    virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override
    {
        cItems res(cItem(m_BlockType, 1));
        if (a_BlockEntity != nullptr)
        {
            auto be = static_cast<cDropSpenserEntity *>(a_BlockEntity);
            res.AddItemGrid(be->GetContents());
        }
        return res;
    }





    virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override
    {
        // Bit 0x08 is a flag. Lowest three bits are position.
        NIBBLETYPE OtherMeta = a_Meta & 0x08;
        // Mirrors defined by a table. (Source, minecraft.gamepedia.com)
        switch (a_Meta & 0x07)
        {
            case 0x00: return 0x01 + OtherMeta;  // Down -> Up
            case 0x01: return 0x00 + OtherMeta;  // Up -> Down
        }
        // Not Facing Up or Down; No change.
        return a_Meta;
    }





    virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
    {
        UNUSED(a_Meta);
        return 11;
    }
} ;