diff options
Diffstat (limited to 'src/Generating/Prefab.cpp')
| -rw-r--r-- | src/Generating/Prefab.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/Generating/Prefab.cpp b/src/Generating/Prefab.cpp index 2ab1455b9..6da3c3d10 100644 --- a/src/Generating/Prefab.cpp +++ b/src/Generating/Prefab.cpp @@ -181,7 +181,7 @@ void cPrefab::AddRotatedBlockAreas(void) m_BlockArea[2].CopyFrom(m_BlockArea[0]); m_BlockArea[2].MirrorXY(); m_BlockArea[2].MirrorYZ(); - } + } // 3 CCW rotations = 1 CW rotation: if ((m_AllowedRotations & 0x04) != 0) @@ -211,6 +211,17 @@ void cPrefab::Draw(cChunkDesc & a_Dest, const Vector3i & a_Placement, int a_NumR int ChunkStartZ = a_Dest.GetChunkZ() * cChunkDef::Width; Placement.Move(-ChunkStartX, 0, -ChunkStartZ); const cBlockArea & Image = m_BlockArea[a_NumRotations]; + + // If the placement is outside this chunk, bail out: + if ( + (Placement.x > cChunkDef::Width) || (Placement.x + Image.GetSizeX() < 0) || + (Placement.z > cChunkDef::Width) || (Placement.z + Image.GetSizeZ() < 0) + ) + { + return; + } + + // Write the image: a_Dest.WriteBlockArea(Image, Placement.x, Placement.y, Placement.z, m_MergeStrategy); // If requested, draw the floor (from the bottom of the prefab down to the nearest non-air) |