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BulletSim: rearrange code to prevent using null pointers when a 

child mesh is not available when building a linkset.
bullet-2.82
Robert Adams 2014-07-17 21:41:39 -07:00
parent e455374a4b
commit 1daec26ba0
1 changed files with 10 additions and 11 deletions
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21
OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
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@ -385,6 +385,16 @@ public sealed class BSLinksetCompound : BSLinkset
m_physicsScene.PE.AddChildShapeToCompoundShape(linksetShape.physShapeInfo, childShape.physShapeInfo, offsetPos, offsetRot);
DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,addChild,indx={1},cShape={2},offPos={3},offRot={4}",
LinksetRoot.LocalID, cPrim.LinksetChildIndex, childShape, offsetPos, offsetRot);
// Since we are borrowing the shape of the child, disable the origional child body
if (!IsRoot(cPrim))
{
m_physicsScene.PE.AddToCollisionFlags(cPrim.PhysBody, CollisionFlags.CF_NO_CONTACT_RESPONSE);
m_physicsScene.PE.ForceActivationState(cPrim.PhysBody, ActivationState.DISABLE_SIMULATION);
// We don't want collisions from the old linkset children.
m_physicsScene.PE.RemoveFromCollisionFlags(cPrim.PhysBody, CollisionFlags.BS_SUBSCRIBE_COLLISION_EVENTS);
cPrim.PhysBody.collisionType = CollisionType.LinksetChild;
}
}
else
{
@ -404,20 +414,9 @@ public sealed class BSLinksetCompound : BSLinkset
m_physicsScene.Logger.WarnFormat("{0} Linkset rebuild warning. If this happens more than one or two times, please report in Mantis 7191", LogHeader);
m_physicsScene.Logger.WarnFormat("{0} pName={1}, childIdx={2}, shape={3}",
LogHeader, LinksetRoot.Name, cPrim.LinksetChildIndex, childShape);
return false; // 'false' says to move onto the next child in the list
}
}
// Since we are borrowing the shape of the child, disable the origional child body
if (!IsRoot(cPrim))
{
m_physicsScene.PE.AddToCollisionFlags(cPrim.PhysBody, CollisionFlags.CF_NO_CONTACT_RESPONSE);
m_physicsScene.PE.ForceActivationState(cPrim.PhysBody, ActivationState.DISABLE_SIMULATION);
// We don't want collisions from the old linkset children.
m_physicsScene.PE.RemoveFromCollisionFlags(cPrim.PhysBody, CollisionFlags.BS_SUBSCRIBE_COLLISION_EVENTS);
cPrim.PhysBody.collisionType = CollisionType.LinksetChild;
}
return false; // 'false' says to move onto the next child in the list
});