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Some work-in-progress on making btDbvtBroadphase deterministic. When using the btSortedOverlappingPairCache, it seems deterministic now. todo: when using btHashedOverlappingPairCache.

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erwin.coumans
2009-02-10 03:50:58 +00:00
parent bd5a7f623d
commit 2a10a61f50
11 changed files with 207 additions and 160 deletions
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23
src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.h
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@@ -84,6 +84,10 @@ public:
virtual void setInternalGhostPairCallback(btOverlappingPairCallback* ghostPairCallback)=0;
virtual void sortOverlappingPairs(btDispatcher* dispatcher) = 0;
virtual void performDeferredRemoval(btDispatcher* dispatcher) = 0;
};
/// Hash-space based Pair Cache, thanks to Erin Catto, Box2D, http://www.box2d.org, and Pierre Terdiman, Codercorner, http://codercorner.com
@@ -259,7 +263,14 @@ private:
m_ghostPairCallback = ghostPairCallback;
}
public:
virtual void sortOverlappingPairs(btDispatcher* dispatcher);
virtual void performDeferredRemoval(btDispatcher* dispatcher)
{
}
protected:
btAlignedObjectArray<int> m_hashTable;
btAlignedObjectArray<int> m_next;
@@ -369,6 +380,10 @@ class btSortedOverlappingPairCache : public btOverlappingPairCache
m_ghostPairCallback = ghostPairCallback;
}
virtual void sortOverlappingPairs(btDispatcher* dispatcher);
void performDeferredRemoval(btDispatcher* dispatcher);
};
@@ -447,7 +462,13 @@ public:
{
}
virtual void sortOverlappingPairs(btDispatcher* dispatcher)
{
}
virtual void performDeferredRemoval(btDispatcher* dispatcher)
{
}
};