ItemBottle.h

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#pragma once
 
#include "ItemHandler.h"
#include "../BlockInfo.h"
#include "../World.h"
 
 
 
 
 
class cItemBottleHandler final:
    public cItemHandler
{
    using Super = cItemHandler;
 
public:
 
    using Super::Super;
 
 
 
 
 
    bool GetBlockFromTrace(cWorld * a_World, cPlayer * a_Player, Vector3i & a_BlockPos) const
    {
        class cCallbacks:
            public cBlockTracer::cCallbacks
        {
        public:
            Vector3i m_Pos;
            bool     m_HasHitFluid;
 
 
            cCallbacks():
                m_HasHitFluid(false)
            {
            }
 
            virtual bool OnNextBlock(Vector3i a_BlockPosition, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, eBlockFace a_EntryFace) override
            {
                if (IsBlockWater(a_BlockType))
                {
                    if (a_BlockMeta != 0)  // we're only looking for source blocks
                    {
                        return false;
                    }
                    m_HasHitFluid = true;
                    m_Pos = a_BlockPosition;
                    return true;
                }
                return false;
            }
        } Callbacks;
        auto Start = a_Player->GetEyePosition() + a_Player->GetLookVector();
        auto End = a_Player->GetEyePosition() + a_Player->GetLookVector() * 5;
        cLineBlockTracer::Trace(*a_World, Callbacks, Start, End);
        if (!Callbacks.m_HasHitFluid)
        {
            return false;
        }
 
        a_BlockPos = Callbacks.m_Pos;
        return true;
    }
 
 
 
 
 
    virtual bool OnItemUse(
        cWorld * a_World,
        cPlayer * a_Player,
        cBlockPluginInterface & a_PluginInterface,
        const cItem & a_HeldItem,
        const Vector3i a_ClickedBlockPos,
        eBlockFace a_ClickedBlockFace
    ) const override
    {
        if (a_ClickedBlockFace != BLOCK_FACE_NONE)
        {
            return false;
        }
 
        Vector3i BlockPos;
        if (!GetBlockFromTrace(a_World, a_Player, BlockPos))
        {
            return false;  // Nothing in range.
        }
 
        // Give back a filled water bottle if gamemode is not creative:
        if (!a_Player->IsGameModeCreative())
        {
            a_Player->ReplaceOneEquippedItemTossRest(cItem(E_ITEM_POTION));
        }
        return true;
    }
} ;