BlockHandler.h

Go to the documentation of this file.

 
#pragma once
 
#include "../Defines.h"
#include "../Item.h"
#include "../BoundingBox.h"
 
 
 
 
 
// fwd:
class cPlayer;
class cChunk;
class cBlockPluginInterface;
class cChunkInterface;
class cWorld;
class cWorldInterface;
class cItems;
 
 
 
 
 
class cBlockHandler
{
public:
 
    constexpr cBlockHandler(BLOCKTYPE a_BlockType) :
        m_BlockType(a_BlockType)
    {
    }
 
    virtual void OnUpdate(
        cChunkInterface & a_ChunkInterface,
        cWorldInterface & a_WorldInterface,
        cBlockPluginInterface & a_BlockPluginInterface,
        cChunk & a_Chunk,
        const Vector3i a_RelPos
    ) const;
 
    virtual cBoundingBox GetPlacementCollisionBox(BLOCKTYPE a_XM, BLOCKTYPE a_XP, BLOCKTYPE a_YM, BLOCKTYPE a_YP, BLOCKTYPE a_ZM, BLOCKTYPE a_ZP) const;
 
    virtual void OnPlaced(
        cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface,
        Vector3i a_BlockPos,
        BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
    ) const {}
 
    virtual void OnBroken(
        cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface,
        Vector3i a_BlockPos,
        BLOCKTYPE a_OldBlockType, NIBBLETYPE a_OldBlockMeta,
        const cEntity * a_Digger
    ) const {}
 
    virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, Vector3i a_BlockPos, eBlockFace a_WhichNeighbor) const;
 
    static void NeighborChanged(cChunkInterface & a_ChunkInterface, Vector3i a_NeighborPos, eBlockFace a_WhichNeighbor);
 
    virtual void OnDigging(
        cChunkInterface & a_ChunkInterface,
        cWorldInterface & a_WorldInterface,
        cPlayer & a_Player,
        const Vector3i a_BlockPos
    ) const
    {
    }
 
    virtual bool OnUse(
        cChunkInterface & a_ChunkInterface,
        cWorldInterface & a_WorldInterface,
        cPlayer & a_Player,
        const Vector3i a_BlockPos,
        eBlockFace a_BlockFace,
        const Vector3i a_CursorPos
    ) const
    {
        return false;
    }
 
    virtual void OnCancelRightClick(
        cChunkInterface & a_ChunkInterface,
        cWorldInterface & a_WorldInterface,
        cPlayer & a_Player,
        const Vector3i a_BlockPos,
        eBlockFace a_BlockFace
    ) const
    {
    }
 
    virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cItem * a_Tool = nullptr) const;
 
    virtual bool CanBeAt(const cChunk & a_Chunk, Vector3i a_Position, NIBBLETYPE a_Meta) const;
 
    virtual bool CanSustainPlant(BLOCKTYPE a_Plant) const { return false; }
 
    virtual bool IsUseable(void) const;
 
    virtual bool DoesIgnoreBuildCollision(const cWorld & a_World, const cItem & a_HeldItem, Vector3i a_Position, NIBBLETYPE a_Meta, eBlockFace a_ClickedBlockFace, bool a_ClickedDirectly) const;
 
    virtual bool IsInsideBlock(const Vector3d a_RelPosition, const NIBBLETYPE a_BlockMeta) const;
 
    void Check(
        cChunkInterface & ChunkInterface, cBlockPluginInterface & a_PluginInterface,
        Vector3i a_RelPos,
        cChunk & a_Chunk
    ) const;
 
    virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const;
 
    virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) const { return a_Meta; }
 
    virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) const { return a_Meta; }
 
    virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) const { return a_Meta; }
 
    virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) const { return a_Meta; }
 
    virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) const { return a_Meta; }
 
    virtual int Grow(cChunk & a_Chunk, Vector3i a_RelPos, int a_NumStages = 1) const { return 0; }
 
    static bool ToolHasSilkTouch(const cItem * a_Tool);
 
    static unsigned char ToolFortuneLevel(const cItem * a_Tool);
 
    static char FortuneDiscreteRandom(char a_MinDrop, char a_DefaultMax, unsigned char a_BonusMax, char a_DropCap = 25);
 
    // Gets the blockhandler for the given block type.
    static const cBlockHandler & For(BLOCKTYPE a_BlockType);
 
protected:
 
    ~cBlockHandler() = default;
 
    const BLOCKTYPE m_BlockType;
};