2c3c1f1527
* Replaced cTracer usage with cLineBlockTracer. * Exported new cLineBlockTracer utility functions to Lua API.
96 lines
1.8 KiB
C++
96 lines
1.8 KiB
C++
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#pragma once
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#include "ItemHandler.h"
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#include "../World.h"
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class cItemBottleHandler :
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public cItemHandler
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{
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public:
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cItemBottleHandler() :
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cItemHandler(E_ITEM_GLASS_BOTTLE)
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{
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}
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bool GetBlockFromTrace(cWorld * a_World, cPlayer * a_Player, Vector3i & a_BlockPos)
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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(void) :
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m_HasHitFluid(false)
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{
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}
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virtual bool OnNextBlock(int a_BlockX, int a_BlockY, int a_BlockZ, 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.Set(a_BlockX, a_BlockY, a_BlockZ);
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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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cLineBlockTracer Tracer(*a_World, Callbacks);
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Vector3d Start(a_Player->GetEyePosition() + a_Player->GetLookVector());
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Vector3d End(a_Player->GetEyePosition() + a_Player->GetLookVector() * 5);
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Tracer.Trace(Start.x, Start.y, Start.z, End.x, End.y, End.z);
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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, cPlayer * a_Player, cBlockPluginInterface & a_PluginInterface, const cItem & a_Item,
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int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace
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) override
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{
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if (a_BlockFace != 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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a_Player->GetInventory().RemoveOneEquippedItem();
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cItem NewItem(E_ITEM_POTION, 1, 0);
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a_Player->GetInventory().AddItem(NewItem);
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return true;
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}
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} ;
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