示例#1
0
/** 
*	Perform any cleanup of physics engine resources. 
*	This is deferred because when closing down the game, you want to make sure you are not destroying a mesh after the physics SDK has been shut down.
*/
void DeferredPhysResourceCleanup()
{
#if WITH_PHYSX
	// Release all tri meshes and reset array
	for(int32 MeshIdx=0; MeshIdx<GPhysXPendingKillTriMesh.Num(); MeshIdx++)
	{
		PxTriangleMesh* PTriMesh = GPhysXPendingKillTriMesh[MeshIdx];
		check(PTriMesh);
		PTriMesh->release();
		GPhysXPendingKillTriMesh[MeshIdx] = NULL;
	}
	GPhysXPendingKillTriMesh.Reset();

	// Release all convex meshes and reset array
	for(int32 MeshIdx=0; MeshIdx<GPhysXPendingKillConvex.Num(); MeshIdx++)
	{
		PxConvexMesh* PConvexMesh = GPhysXPendingKillConvex[MeshIdx];
		check(PConvexMesh);
		PConvexMesh->release();
		GPhysXPendingKillConvex[MeshIdx] = NULL;
	}
	GPhysXPendingKillConvex.Reset();

	// Release all heightfields and reset array
	for(int32 HfIdx=0; HfIdx<GPhysXPendingKillHeightfield.Num(); HfIdx++)
	{
		PxHeightField* PHeightfield = GPhysXPendingKillHeightfield[HfIdx];
		check(PHeightfield);
		PHeightfield->release();
		GPhysXPendingKillHeightfield[HfIdx] = NULL;
	}
	GPhysXPendingKillHeightfield.Reset();

	// Release all materials and reset array
	for(int32 MeshIdx=0; MeshIdx<GPhysXPendingKillMaterial.Num(); MeshIdx++)
	{
		PxMaterial* PMaterial = GPhysXPendingKillMaterial[MeshIdx];
		check(PMaterial);
		PMaterial->release();
		GPhysXPendingKillMaterial[MeshIdx] = NULL;
	}
	GPhysXPendingKillMaterial.Reset();
#endif
}
/** 
*	Perform any cleanup of physics engine resources. 
*	This is deferred because when closing down the game, you want to make sure you are not destroying a mesh after the physics SDK has been shut down.
*/
void DeferredPhysResourceCleanup()
{
#if WITH_PHYSX

	// Release all tri meshes and reset array
	for(int32 MeshIdx=0; MeshIdx<GPhysXPendingKillTriMesh.Num(); MeshIdx++)
	{
		PxTriangleMesh* PTriMesh = GPhysXPendingKillTriMesh[MeshIdx];

		// Check this as it shouldn't be null, but then gate on it so we can
		// avoid a crash if we end up in this state in shipping
		check(PTriMesh);
		if(PTriMesh)
		{
			PTriMesh->release();

			if(GPhysXPendingKillTriMesh.IsValidIndex(MeshIdx))
			{
				GPhysXPendingKillTriMesh[MeshIdx] = NULL;
			}
			else
			{
				UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found invalid index into GPhysXPendingKillTriMesh, another thread may have modified the array."), MeshIdx);
			}
		}
		else
		{
			UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found null PxTriangleMesh in pending kill array, another thread may have modified the array."), MeshIdx);
		}
	}
	GPhysXPendingKillTriMesh.Reset();

	// Release all convex meshes and reset array
	for(int32 MeshIdx=0; MeshIdx<GPhysXPendingKillConvex.Num(); MeshIdx++)
	{
		PxConvexMesh* PConvexMesh = GPhysXPendingKillConvex[MeshIdx];

		// Check this as it shouldn't be null, but then gate on it so we can
		// avoid a crash if we end up in this state in shipping
		check(PConvexMesh);
		if(PConvexMesh)
		{
			PConvexMesh->release();

			if(GPhysXPendingKillConvex.IsValidIndex(MeshIdx))
			{
				GPhysXPendingKillConvex[MeshIdx] = NULL;
			}
			else
			{
				UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found invalid index into GPhysXPendingKillConvex (%d), another thread may have modified the array."), MeshIdx);
			}
		}
		else
		{
			UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found null PxConvexMesh in pending kill array (at %d), another thread may have modified the array."), MeshIdx);
		}
	}
	GPhysXPendingKillConvex.Reset();

	// Release all heightfields and reset array
	for(int32 HfIdx=0; HfIdx<GPhysXPendingKillHeightfield.Num(); HfIdx++)
	{
		PxHeightField* PHeightfield = GPhysXPendingKillHeightfield[HfIdx];

		// Check this as it shouldn't be null, but then gate on it so we can
		// avoid a crash if we end up in this state in shipping
		check(PHeightfield);
		if(PHeightfield)
		{
			PHeightfield->release();

			if(GPhysXPendingKillHeightfield.IsValidIndex(HfIdx))
			{
				GPhysXPendingKillHeightfield[HfIdx] = NULL;
			}
			else
			{
				UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found invalid index into GPhysXPendingKillHeightfield (%d), another thread may have modified the array."), HfIdx);
			}
		}
		else
		{
			UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found null PxHeightField in pending kill array (at %d), another thread may have modified the array."), HfIdx);
		}
	}
	GPhysXPendingKillHeightfield.Reset();

	// Release all materials and reset array
	for(int32 MeshIdx=0; MeshIdx<GPhysXPendingKillMaterial.Num(); MeshIdx++)
	{
		PxMaterial* PMaterial = GPhysXPendingKillMaterial[MeshIdx];

		// Check this as it shouldn't be null, but then gate on it so we can
		// avoid a crash if we end up in this state in shipping
		check(PMaterial);
		if(PMaterial)
		{
			PMaterial->release();
			if(GPhysXPendingKillMaterial.IsValidIndex(MeshIdx))
			{
				GPhysXPendingKillMaterial[MeshIdx] = NULL;
			}
			else
			{
				UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found invalid index into GPhysXPendingKillMaterial(%d), another thread may have modified the array."), MeshIdx);
			}
		}
		else
		{
			UE_LOG(LogPhysics, Warning, TEXT("DeferredPhysResourceCleanup found null PxMaterial in pending kill array (at %d), another thread may have modified the array."), MeshIdx);
		}
	}
	GPhysXPendingKillMaterial.Reset();
#endif
}