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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;
/** Searches for a water source block in the line of sight.
Returns true and sets a_BlockPos if a water source block is found within line-of-sight.
Returns false if not. */
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;
}
};
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