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path: root/indra/newview/llvieweroctree.cpp
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-rw-r--r--indra/newview/llvieweroctree.cpp20
1 files changed, 17 insertions, 3 deletions
diff --git a/indra/newview/llvieweroctree.cpp b/indra/newview/llvieweroctree.cpp
index e1684c19df..e8eba43242 100644
--- a/indra/newview/llvieweroctree.cpp
+++ b/indra/newview/llvieweroctree.cpp
@@ -809,7 +809,14 @@ class LLSpatialSetOcclusionState : public OctreeTraveler
public:
U32 mState;
LLSpatialSetOcclusionState(U32 state) : mState(state) { }
- virtual void visit(const OctreeNode* branch) { ((LLOcclusionCullingGroup*) branch->getListener(0))->setOcclusionState(mState); }
+ virtual void visit(const OctreeNode* branch)
+ {
+ LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)branch->getListener(0);
+ if(group)
+ {
+ group->setOcclusionState(mState);
+ }
+ }
};
class LLSpatialSetOcclusionStateDiff : public LLSpatialSetOcclusionState
@@ -821,7 +828,7 @@ public:
{
LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*) n->getListener(0);
- if (!group->isOcclusionState(mState))
+ if (group && !group->isOcclusionState(mState))
{
OctreeTraveler::traverse(n);
}
@@ -945,7 +952,14 @@ public:
U32 mState;
LLSpatialClearOcclusionState(U32 state) : mState(state) { }
- virtual void visit(const OctreeNode* branch) { ((LLOcclusionCullingGroup*) branch->getListener(0))->clearOcclusionState(mState); }
+ virtual void visit(const OctreeNode* branch)
+ {
+ LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)branch->getListener(0);
+ if(group)
+ {
+ group->clearOcclusionState(mState);
+ }
+ }
};
class LLSpatialClearOcclusionStateDiff : public LLSpatialClearOcclusionState