From 9f4348fb09ae77aebcf0cdcfc2139613756dbcdc Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sat, 12 Jul 2014 22:50:28 +0100 Subject: Simplified buckets code slightly --- src/Items/ItemBucket.h | 47 +++++++++++++++-------------------------------- 1 file changed, 15 insertions(+), 32 deletions(-) (limited to 'src/Items/ItemBucket.h') diff --git a/src/Items/ItemBucket.h b/src/Items/ItemBucket.h index b3f008229..20d955de4 100644 --- a/src/Items/ItemBucket.h +++ b/src/Items/ItemBucket.h @@ -196,54 +196,37 @@ public: { public: Vector3i m_Pos; - bool m_HasHitLastBlock; - BLOCKTYPE m_LastBlock; - - - cCallbacks(void) : - m_HasHitLastBlock(false) - { - } + BLOCKTYPE m_ReplacedBlock; 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) - ) + m_ReplacedBlock = a_BlockType; + if (!cFluidSimulator::CanWashAway(a_BlockType)) { - return true; + AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, (eBlockFace)a_EntryFace); // Was a unwashawayable block, can't overwrite it! } - - m_HasHitLastBlock = true; - return true; - } - - m_Pos.Set(a_BlockX, a_BlockY, a_BlockZ); - m_LastBlock = a_BlockType; - + m_Pos.Set(a_BlockX, a_BlockY, a_BlockZ); // (Block could be washed away, replace it) + return true; // Abort tracing + } 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); + Vector3d End(a_Player->GetEyePosition() + a_Player->GetLookVector() * 5); - if (!Callbacks.m_HasHitLastBlock) + // cTracer::Trace returns true when whole line was traversed. By returning true when we hit something, we ensure that this never happens if liquid could be placed + // Use this to judge whether the position is valid + if (!Tracer.Trace(Start.x, Start.y, Start.z, End.x, End.y, End.z)) { - return false; + a_BlockPos = Callbacks.m_Pos; + a_BlockType = Callbacks.m_ReplacedBlock; + return true; } - a_BlockPos = Callbacks.m_Pos; - a_BlockType = Callbacks.m_LastBlock; - return true; + return false; } }; -- cgit v1.2.3