BlockSignPost.h

Go to the documentation of this file.

#pragma once

#include "BlockHandler.h"
#include "../Chunk.h"





class cBlockSignPostHandler:
    public cBlockHandler
{
    using super = cBlockHandler;

public:

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




    virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override
    {
        return cItem(E_ITEM_SIGN, 1, 0);
    }





    virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
    {
        if (a_RelY <= 0)
        {
            return false;
        }
        BLOCKTYPE Type = a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ);

        return ((Type == E_BLOCK_SIGN_POST) || (Type == E_BLOCK_WALLSIGN) || cBlockInfo::IsSolid(Type));
    }

    static NIBBLETYPE RotationToMetaData(double a_Rotation)
    {
        a_Rotation += 180 + (180 / 16);  // So it's not aligned with axis
        if (a_Rotation > 360)
        {
            a_Rotation -= 360;
        }

        a_Rotation = (a_Rotation / 360) * 16;

        return (static_cast<char>(a_Rotation)) % 16;
    }

    virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
    {
        return (a_Meta + 4) & 0x0f;
    }

    virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
    {
        return (a_Meta + 12) & 0x0f;
    }

    virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override
    {
        // Mirrors signs over the XY plane (North-South Mirroring)

        // There are 16 meta values which correspond to different directions.
        // These values are equated to angles on a circle; 0x08 = 180 degrees.
        return (a_Meta < 0x08) ? (0x08 - a_Meta) : (0x18 - a_Meta);
    }

    virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override
    {
        // Mirrors signs over the YZ plane (East-West Mirroring)

        // There are 16 meta values which correspond to different directions.
        // These values are equated to angles on a circle; 0x10 = 360 degrees.
        return 0x0f - a_Meta;
    }

    virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
    {
        UNUSED(a_Meta);
        return 13;
    }
} ;