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