diff --git a/src/Items/ItemBucket.h b/src/Items/ItemBucket.h index 68c89dd85..b3f008229 100644 --- a/src/Items/ItemBucket.h +++ b/src/Items/ItemBucket.h @@ -41,7 +41,7 @@ public: bool ScoopUpFluid(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) { - if (a_BlockFace > 0) + if (a_BlockFace != BLOCK_FACE_NONE) { return false; } @@ -95,29 +95,15 @@ public: bool PlaceFluid(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, BLOCKTYPE a_FluidBlock) { - if (a_BlockFace < 0) + if (a_BlockFace != BLOCK_FACE_NONE) { return false; } - BLOCKTYPE CurrentBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ); - bool CanWashAway = cFluidSimulator::CanWashAway(CurrentBlock); - if (!CanWashAway) + BLOCKTYPE CurrentBlock; + Vector3i BlockPos; + if (!GetPlacementCoordsFromTrace(a_World, a_Player, BlockPos, CurrentBlock)) { - // The block pointed at cannot be washed away, so put fluid on top of it / on its sides - AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace); - CurrentBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ); - } - if ( - !CanWashAway && - (CurrentBlock != E_BLOCK_AIR) && - (CurrentBlock != E_BLOCK_WATER) && - (CurrentBlock != E_BLOCK_STATIONARY_WATER) && - (CurrentBlock != E_BLOCK_LAVA) && - (CurrentBlock != E_BLOCK_STATIONARY_LAVA) - ) - { - // Cannot place water here return false; } @@ -138,7 +124,7 @@ public: } // Wash away anything that was there prior to placing: - if (CanWashAway) + if (cFluidSimulator::CanWashAway(CurrentBlock)) { cBlockHandler * Handler = BlockHandler(CurrentBlock); if (Handler->DoesDropOnUnsuitable()) @@ -149,13 +135,13 @@ public: } } - a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, a_FluidBlock, 0); + a_World->SetBlock(BlockPos.x, BlockPos.y, BlockPos.z, a_FluidBlock, 0); return true; } - bool GetBlockFromTrace(cWorld * a_World, cPlayer * a_Player, Vector3i & BlockPos) + bool GetBlockFromTrace(cWorld * a_World, cPlayer * a_Player, Vector3i & a_BlockPos) { class cCallbacks : public cBlockTracer::cCallbacks @@ -198,8 +184,66 @@ public: } - BlockPos.Set(Callbacks.m_Pos.x, Callbacks.m_Pos.y, Callbacks.m_Pos.z); + a_BlockPos = Callbacks.m_Pos; return true; } + + + bool GetPlacementCoordsFromTrace(cWorld * a_World, cPlayer * a_Player, Vector3i & a_BlockPos, BLOCKTYPE & a_BlockType) + { + class cCallbacks : + public cBlockTracer::cCallbacks + { + public: + Vector3i m_Pos; + bool m_HasHitLastBlock; + BLOCKTYPE m_LastBlock; + + cCallbacks(void) : + m_HasHitLastBlock(false) + { + } + + virtual bool OnNextBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, char a_EntryFace) override + { + if (a_BlockType != E_BLOCK_AIR) + { + bool CanWashAway = cFluidSimulator::CanWashAway(m_LastBlock); + if ( + !CanWashAway && + (m_LastBlock != E_BLOCK_AIR) && + !IsBlockWater(m_LastBlock) && + !IsBlockLava(m_LastBlock) + ) + { + return true; + } + + m_HasHitLastBlock = true; + return true; + } + + m_Pos.Set(a_BlockX, a_BlockY, a_BlockZ); + m_LastBlock = a_BlockType; + + return false; + } + } Callbacks; + + cLineBlockTracer Tracer(*a_World, Callbacks); + Vector3d Start(a_Player->GetEyePosition() + a_Player->GetLookVector()); + Vector3d End(a_Player->GetEyePosition() + a_Player->GetLookVector() * 5); + + Tracer.Trace(Start.x, Start.y, Start.z, End.x, End.y, End.z); + + if (!Callbacks.m_HasHitLastBlock) + { + return false; + } + + a_BlockPos = Callbacks.m_Pos; + a_BlockType = Callbacks.m_LastBlock; + return true; + } };