BlockCocoaPod.h

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#pragma once
 
#include "BlockHandler.h"
#include "../FastRandom.h"
 
 
 
 
 
class cBlockCocoaPodHandler final :
    public cBlockHandler
{
    using Super = cBlockHandler;
 
public:
 
    using Super::Super;
 
    static NIBBLETYPE BlockFaceToMeta(eBlockFace a_BlockFace)
    {
        switch (a_BlockFace)
        {
            case BLOCK_FACE_ZM: return 0;
            case BLOCK_FACE_XM: return 3;
            case BLOCK_FACE_XP: return 1;
            case BLOCK_FACE_ZP: return 2;
            case BLOCK_FACE_NONE:
            case BLOCK_FACE_YM:
            case BLOCK_FACE_YP:
            {
                break;
            }
        }
        UNREACHABLE("Unsupported block face");
    }
 
private:
 
    virtual bool CanBeAt(const cChunk & a_Chunk, const Vector3i a_Position, const NIBBLETYPE a_Meta) const override
    {
        // Check that we're attached to a jungle log block:
        eBlockFace BlockFace = MetaToBlockFace(a_Meta);
        auto LogPos = AddFaceDirection(a_Position, BlockFace, true);
        BLOCKTYPE BlockType;
        NIBBLETYPE BlockMeta;
        a_Chunk.UnboundedRelGetBlock(LogPos, BlockType, BlockMeta);
        return ((BlockType == E_BLOCK_LOG) && ((BlockMeta & 0x03) == E_META_LOG_JUNGLE));
    }
 
 
 
 
 
    virtual void OnUpdate(
        cChunkInterface & a_ChunkInterface,
        cWorldInterface & a_WorldInterface,
        cBlockPluginInterface & a_PluginInterface,
        cChunk & a_Chunk,
        const Vector3i a_RelPos
    ) const override
    {
        if (GetRandomProvider().RandBool(0.20))
        {
            Grow(a_Chunk, a_RelPos);
        }
    }
 
 
 
 
 
    virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
    {
        // If fully grown, give 3 items, otherwise just one:
        auto growState = a_BlockMeta >> 2;
        return cItem(E_ITEM_DYE, ((growState >= 2) ? 3 : 1), E_META_DYE_BROWN);
    }
 
 
 
 
 
    virtual int Grow(cChunk & a_Chunk, Vector3i a_RelPos, int a_NumStages = 1) const override
    {
        auto meta = a_Chunk.GetMeta(a_RelPos);
        auto typeMeta = meta & 0x03;
        auto growState = meta >> 2;
 
        if (growState >= 2)
        {
            return 0;
        }
        auto newState = std::min(growState + a_NumStages, 2);
        a_Chunk.SetMeta(a_RelPos, static_cast<NIBBLETYPE>(newState << 2 | typeMeta));
        return newState - growState;
    }
 
 
 
 
 
    static eBlockFace MetaToBlockFace(NIBBLETYPE a_Meta)
    {
        switch (a_Meta & 0x03)
        {
            case 0: return BLOCK_FACE_ZM;
            case 1: return BLOCK_FACE_XP;
            case 2: return BLOCK_FACE_ZP;
            case 3: return BLOCK_FACE_XM;
            default:
            {
                ASSERT(!"Bad meta");
                return BLOCK_FACE_NONE;
            }
        }
    }
 
 
 
 
 
    virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const override
    {
        UNUSED(a_Meta);
        return 34;
    }
} ;