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Added neighbor specification in the OnNeighborChanged() block callback. 

Fixes the OnNeighborChanged endless recursion with large melon / pumpkin fields.
Fixes #2213.
This commit is contained in:
Mattes D 2015-07-01 10:40:16 +02:00
parent b0bd1e3907
commit 66a164a9a7
7 changed files with 63 additions and 44 deletions
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13
src/Blocks/BlockFarmland.h
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@ -65,13 +65,22 @@ public:
}
}
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_WhichNeighbor) override
{
// Don't care about any neighbor but the one above us (fix recursion loop in #2213):
if (a_WhichNeighbor != BLOCK_FACE_YP)
{
return;
}
// Don't care about anything if we're at the top of the world:
if (a_BlockY >= cChunkDef::Height)
{
return;
}
// Check whether we should revert to dirt:
BLOCKTYPE UpperBlock = a_ChunkInterface.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ);
if (cBlockInfo::FullyOccupiesVoxel(UpperBlock))
{
@ -79,11 +88,13 @@ public:
}
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
{
a_Pickups.Add(E_BLOCK_DIRT, 1, 0); // Reset meta
}
bool IsWaterInNear(cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
{
if (a_Chunk.GetWorld()->IsWeatherWetAt(a_RelX, a_RelZ))

30
src/Blocks/BlockHandler.cpp
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@ -389,12 +389,12 @@ void cBlockHandler::OnDestroyedByPlayer(cChunkInterface & a_ChunkInterface, cWor
void cBlockHandler::OnPlaced(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
// Notify the neighbors
NeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ - 1);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ + 1);
NeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY, a_BlockZ, BLOCK_FACE_XP);
NeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY, a_BlockZ, BLOCK_FACE_XM);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ, BLOCK_FACE_YP);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_YM);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ - 1, BLOCK_FACE_ZP);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ + 1, BLOCK_FACE_ZM);
}
@ -404,23 +404,23 @@ void cBlockHandler::OnPlaced(cChunkInterface & a_ChunkInterface, cWorldInterface
void cBlockHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
{
// Notify the neighbors
NeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ - 1);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ + 1);
NeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY, a_BlockZ, BLOCK_FACE_XP);
NeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY, a_BlockZ, BLOCK_FACE_XM);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ, BLOCK_FACE_YP);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_YM);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ - 1, BLOCK_FACE_ZP);
NeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ + 1, BLOCK_FACE_ZM);
}
void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, int a_NeighborX, int a_NeighborY, int a_NeighborZ, eBlockFace a_WhichNeighbor)
{
if ((a_BlockY >= 0) && (a_BlockY < cChunkDef::Height))
if ((a_NeighborY >= 0) && (a_NeighborY < cChunkDef::Height))
{
cBlockInfo::GetHandler(a_ChunkInterface.GetBlock(a_BlockX, a_BlockY, a_BlockZ))->OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
cBlockInfo::GetHandler(a_ChunkInterface.GetBlock(a_NeighborX, a_NeighborY, a_NeighborZ))->OnNeighborChanged(a_ChunkInterface, a_NeighborX, a_NeighborY, a_NeighborZ, a_WhichNeighbor);
}
}

16
src/Blocks/BlockHandler.h
View File

@ -56,13 +56,19 @@ public:
/// Called before a block gets destroyed / replaced with air
virtual void OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ);
/// Called when a direct neighbor of this block has been changed (The position is the own position, not the neighbor position)
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ) {}
/** Called when a direct neighbor of this block has been changed (The position is the block's own position, not the changing neighbor's position)
a_WhichNeighbor indicates which neighbor has changed. For example, BLOCK_FACE_YP meant the neighbor above has changed.
BLOCK_FACE_NONE means that it is a neighbor not directly adjacent (diagonal, etc.) */
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_WhichNeighbor) {}
/// Notifies all neighbors of the given block about a change
static void NeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ);
/** Notifies the specified neighbor that the current block has changed.
a_NeighborXYZ coords are the coords of the neighbor
a_WhichNeighbor specifies which neighbor (relative to a_NeighborXYZ) has changed.
For example BLOCK_FACE_YP means that the block at {a_NeighborX, a_NeighborY + 1, a_NeighborZ} has changed.
BLOCK_FACE_NONE means that it is a neighbor not directly adjacent (diagonal, etc.) */
static void NeighborChanged(cChunkInterface & a_ChunkInterface, int a_NeighborX, int a_NeighborY, int a_NeighborZ, eBlockFace a_WhichNeighbor);
/// Called while the player diggs the block.
/** Called when the player starts digging the block. */
virtual void OnDigging(cChunkInterface & cChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) {}
/// Called if the user right clicks the block and the block is useable

8
src/Blocks/BlockLeaves.h
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@ -75,10 +75,14 @@ public:
}
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_WhichNeighbor) override
{
// Unset 0x8 bit so this block gets checked for decay:
NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta & 0x7); // Unset 0x8 bit so it gets checked for decay
if ((Meta & 0x08) != 0)
{
a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, Meta & 0x7);
}
}

36
src/Blocks/BlockRail.h
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@ -47,15 +47,14 @@ public:
super::OnPlaced(a_ChunkInterface, a_WorldInterface, a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);
// Alert diagonal rails
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY + 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY + 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ + 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ - 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY - 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY - 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ + 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ - 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ + 1, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ - 1, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY - 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY - 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ + 1, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ - 1, BLOCK_FACE_NONE);
}
@ -64,19 +63,18 @@ public:
super::OnDestroyed(a_ChunkInterface, a_WorldInterface, a_BlockX, a_BlockY, a_BlockZ);
// Alert diagonal rails
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY + 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY + 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ + 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ - 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY - 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY - 1, a_BlockZ);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ + 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ - 1);
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ + 1, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY + 1, a_BlockZ - 1, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX + 1, a_BlockY - 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX - 1, a_BlockY - 1, a_BlockZ, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ + 1, BLOCK_FACE_NONE);
OnNeighborChanged(a_ChunkInterface, a_BlockX, a_BlockY - 1, a_BlockZ - 1, BLOCK_FACE_NONE);
}
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override
virtual void OnNeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_WhichNeighbor) override
{
NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
if (IsUnstable(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ) && (Meta != FindMeta(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ)))

2
src/Chunk.cpp
View File

@ -1037,7 +1037,7 @@ void cChunk::GrowMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Bl
VERIFY(UnboundedRelFastSetBlock(a_RelX + x, a_RelY, a_RelZ + z, ProduceType, Meta));
auto Absolute = RelativeToAbsolute(Vector3i{a_RelX + x, a_RelY, a_RelZ + z}, m_PosX, m_PosZ);
cChunkInterface ChunkInterface(this->GetWorld()->GetChunkMap());
cBlockHandler::NeighborChanged(ChunkInterface, Absolute.x, Absolute.y, Absolute.z);
cBlockHandler::NeighborChanged(ChunkInterface, Absolute.x, Absolute.y - 1, Absolute.z, BLOCK_FACE_YP);
break;
}
}

2
tests/LoadablePieces/Stubs.cpp
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@ -160,7 +160,7 @@ void cBlockHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterf
void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ)
void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_WhichNeighbor)
{
}