Improved performance of convex collision shapes, cache local AABB instead of recomputation. This fixes issue with very slow performance in larger .bsp levels.

Moved some asserts into 'btFullAssert', which is disabled by default (see btScalar.h to enable them). This is to speed-up debugging.

src/BulletCollision/CollisionShapes/btCylinderShape.cpp

@@ -18,21 +18,28 @@ subject to the following restrictions:
 btCylinderShape::btCylinderShape (const btVector3& halfExtents)
 :btBoxShape(halfExtents)
 {
-
+	recalcLocalAabb();
 }
 
 
 btCylinderShapeX::btCylinderShapeX (const btVector3& halfExtents)
 :btCylinderShape(halfExtents)
 {
+	recalcLocalAabb();
 }
 
 
 btCylinderShapeZ::btCylinderShapeZ (const btVector3& halfExtents)
 :btCylinderShape(halfExtents)
 {
+	recalcLocalAabb();
 }
 
+void btCylinderShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
+{
+	//skip the box 'getAabb'
+	btPolyhedralConvexShape::getAabb(t,aabbMin,aabbMax);
+}
 
 
 inline btVector3 CylinderLocalSupportX(const btVector3& halfExtents,const btVector3& v)