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Merge pull request #1162 from daniel0916/Fixes

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Fix for bucket placing
This commit is contained in:
Tiger Wang 2014-07-12 22:09:50 +01:00
commit 084dec6ccf
1 changed files with 67 additions and 23 deletions
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90
src/Items/ItemBucket.h
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@ -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) 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; 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) 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; return false;
} }
BLOCKTYPE CurrentBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ); BLOCKTYPE CurrentBlock;
bool CanWashAway = cFluidSimulator::CanWashAway(CurrentBlock); Vector3i BlockPos;
if (!CanWashAway) 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; return false;
} }
@ -138,7 +124,7 @@ public:
} }
// Wash away anything that was there prior to placing: // Wash away anything that was there prior to placing:
if (CanWashAway) if (cFluidSimulator::CanWashAway(CurrentBlock))
{ {
cBlockHandler * Handler = BlockHandler(CurrentBlock); cBlockHandler * Handler = BlockHandler(CurrentBlock);
if (Handler->DoesDropOnUnsuitable()) 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; 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 : class cCallbacks :
public cBlockTracer::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; 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;
}
}; };