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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2014-06-24 22:15:48 +0200
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2014-06-24 22:15:48 +0200
commitbd5df3d3b975c448e3d8f4227d86a742d0ad3b12 (patch)
tree30193169848d8ea39e2e5a423bd9e1a8e189c5f6 /src/Generating/Prefab.cpp
parentConforms to standards (diff)
parentMerge pull request #1125 from Howaner/Entities (diff)
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Diffstat (limited to '')
-rw-r--r--src/Generating/Prefab.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/Generating/Prefab.cpp b/src/Generating/Prefab.cpp
index 2ab1455b9..7d876909a 100644
--- a/src/Generating/Prefab.cpp
+++ b/src/Generating/Prefab.cpp
@@ -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)