BlockTrapdoor.h

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#pragma once

#include "BlockHandler.h"
#include "Mixins.h"
#include "../EffectID.h"




class cBlockTrapdoorHandler :
    public cClearMetaOnDrop<cMetaRotator<cBlockHandler, 0x03, 0x01, 0x02, 0x00, 0x03, false>>
{
    using super = cClearMetaOnDrop<cMetaRotator<cBlockHandler, 0x03, 0x01, 0x02, 0x00, 0x03, false>>;

public:

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




    virtual bool IsUseable(void) override
    {
        return true;
    }





    virtual bool OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override
    {
        if (m_BlockType == E_BLOCK_IRON_TRAPDOOR)
        {
            // Iron doors can only be toggled by redstone, not by right-clicking
            return false;
        }

        // Flip the ON bit on / off using the XOR bitwise operation
        NIBBLETYPE Meta = (a_ChunkInterface.GetBlockMeta({a_BlockX, a_BlockY, a_BlockZ}) ^ 0x04);
        a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta);
        a_WorldInterface.GetBroadcastManager().BroadcastSoundParticleEffect(EffectID::SFX_RANDOM_FENCE_GATE_OPEN, { a_BlockX, a_BlockY, a_BlockZ }, 0, a_Player.GetClientHandle());

        return true;
    }

    virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override
    {
        UNUSED(a_ChunkInterface);
        a_WorldInterface.SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, a_Player);
    }

    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;
        a_BlockMeta = BlockFaceToMetaData(a_BlockFace);

        if (a_CursorY > 7)
        {
            a_BlockMeta |= 0x8;
        }
        return true;
    }

    inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace)
    {
        switch (a_BlockFace)
        {
            case BLOCK_FACE_ZP: return 0x1;
            case BLOCK_FACE_ZM: return 0x0;
            case BLOCK_FACE_XP: return 0x3;
            case BLOCK_FACE_XM: return 0x2;
            case BLOCK_FACE_NONE:
            case BLOCK_FACE_YM:
            case BLOCK_FACE_YP:
            {
                ASSERT(!"Unhandled block face!");
                return 0;
            }
        }
        UNREACHABLE("Unsupported block face");
    }

    inline static eBlockFace BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
    {
        switch (a_Meta & 0x3)
        {
            case 0x0: return BLOCK_FACE_ZM;
            case 0x1: return BLOCK_FACE_ZP;
            case 0x2: return BLOCK_FACE_XM;
            case 0x3: return BLOCK_FACE_XP;
            default:
            {
                ASSERT(!"Unhandled block meta!");
                return BLOCK_FACE_NONE;
            }
        }
    }

    virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
    {
        NIBBLETYPE Meta;
        a_Chunk.UnboundedRelGetBlockMeta(a_RelX, a_RelY, a_RelZ, Meta);

        AddFaceDirection(a_RelX, a_RelY, a_RelZ, BlockMetaDataToBlockFace(Meta), true);
        BLOCKTYPE BlockIsOn;
        a_Chunk.UnboundedRelGetBlockType(a_RelX, a_RelY, a_RelZ, BlockIsOn);

        return ((a_RelY > 0) && cBlockInfo::IsSolid(BlockIsOn));
    }

    virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
    {
        UNUSED(a_Meta);
        switch (m_BlockType)
        {
            case E_BLOCK_TRAPDOOR: return 13;
            case E_BLOCK_IRON_TRAPDOOR: return 6;
            default:
            {
                ASSERT(!"Unhandled blocktype in trapdoor handler!");
                return 0;
            }
        }
    }
};