Added early outs for other broadphase calls when passing zero bodies

Jolt/Physics/Collision/BroadPhase/BroadPhaseQuadTree.cpp

@@ -155,7 +155,8 @@ BroadPhase::AddState BroadPhaseQuadTree::AddBodiesPrepare(BodyID *ioBodies, int
 {
 	JPH_PROFILE_FUNCTION();
 
-	JPH_ASSERT(inNumber >= 0);
+	if (inNumber <= 0)
+		return nullptr;
 
 	const BodyVector &bodies = mBodyManager->GetBodies();
 	JPH_ASSERT(mMaxBodies == mBodyManager->GetMaxBodies());
@@ -208,6 +209,12 @@ void BroadPhaseQuadTree::AddBodiesFinalize(BodyID *ioBodies, int inNumber, AddSt
 {
 	JPH_PROFILE_FUNCTION();
 
+	if (inNumber <= 0)
+	{
+		JPH_ASSERT(inAddState == nullptr);
+		return;
+	}
+
 	// This cannot run concurrently with UpdatePrepare()/UpdateFinalize()
 	SharedLock lock(mUpdateMutex JPH_IF_ENABLE_ASSERTS(, mLockContext, EPhysicsLockTypes::BroadPhaseUpdate));
 
@@ -244,6 +251,12 @@ void BroadPhaseQuadTree::AddBodiesAbort(BodyID *ioBodies, int inNumber, AddState
 {
 	JPH_PROFILE_FUNCTION();
 
+	if (inNumber <= 0)
+	{
+		JPH_ASSERT(inAddState == nullptr);
+		return;
+	}
+
 	JPH_IF_ENABLE_ASSERTS(const BodyVector &bodies = mBodyManager->GetBodies();)
 	JPH_ASSERT(mMaxBodies == mBodyManager->GetMaxBodies());
 
@@ -278,11 +291,12 @@ void BroadPhaseQuadTree::RemoveBodies(BodyID *ioBodies, int inNumber)
 {
 	JPH_PROFILE_FUNCTION();
 
+	if (inNumber <= 0)
+		return;
+
 	// This cannot run concurrently with UpdatePrepare()/UpdateFinalize()
 	SharedLock lock(mUpdateMutex JPH_IF_ENABLE_ASSERTS(, mLockContext, EPhysicsLockTypes::BroadPhaseUpdate));
 
-	JPH_ASSERT(inNumber > 0);
-
 	BodyVector &bodies = mBodyManager->GetBodies();
 	JPH_ASSERT(mMaxBodies == mBodyManager->GetMaxBodies());
 
@@ -325,7 +339,8 @@ void BroadPhaseQuadTree::NotifyBodiesAABBChanged(BodyID *ioBodies, int inNumber,
 {
 	JPH_PROFILE_FUNCTION();
 
-	JPH_ASSERT(inNumber > 0);
+	if (inNumber <= 0)
+		return;
 
 	// This cannot run concurrently with UpdatePrepare()/UpdateFinalize()
 	if (inTakeLock)
@@ -365,7 +380,8 @@ void BroadPhaseQuadTree::NotifyBodiesLayerChanged(BodyID *ioBodies, int inNumber
 {
 	JPH_PROFILE_FUNCTION();
 
-	JPH_ASSERT(inNumber > 0);
+	if (inNumber <= 0)
+		return;
 
 	// First sort the bodies that actually changed layer to beginning of the array
 	const BodyVector &bodies = mBodyManager->GetBodies();