/// <summary>
///
/// Mesh Instances
///
/// Parse mesh instance data
/// Function decides if we are updating an already existing mesh instance ( GameObject ) or creating a new one.
/// </summary>
public static void ParseMeshInstanceData(System.IntPtr meshInstanceDataPtr)
{
try
{
var meshInstanceData = (MeshInstanceData)System.Runtime.InteropServices.Marshal.PtrToStructure(meshInstanceDataPtr, typeof(MeshInstanceData));
// If all dependants are here, create or update the mesh instance
if (MeshInstanceHandler.DependencyCheck(meshInstanceData))
{
bool newItemCreated;
ParseMeshInstanceData(meshInstanceData, out newItemCreated);
// Delete the data
ImportMenu.stpUnityDeleteMeshInstanceData(meshInstanceDataPtr);
// This loop starts over if we created a parent and a child is waiting in the store
while (newItemCreated)
{
// Iterate through mesh instance store and try to create or update
// mesh instances that this mesh instance is a dependent of
IterateMeshInstanceStore(out newItemCreated);
}
}
else
{
// If we are not able to create or update store the mesh data and try later
meshInstanceDataStore.Add(meshInstanceDataPtr);
}
}
catch (System.Exception e)
{
Debug.LogException(e);
// Delete the data
ImportMenu.stpUnityDeleteMeshInstanceData(meshInstanceDataPtr);
}
}
// Iterate through mesh instance store that were missing dependants
// and check if we can create new mesh instance objects or update existing mesh objects
public static void IterateMeshInstanceStore(out bool newItemCreated)
{
newItemCreated = false;
for (int i = meshInstanceDataStore.Count - 1; i >= 0; i--)
{
MeshInstanceData meshInstanceData = (MeshInstanceData)System.Runtime.InteropServices.Marshal.PtrToStructure(meshInstanceDataStore[i], typeof(MeshInstanceData));
// If all dependants are here, create or update the mesh
bool currentItemCreated = false;
bool dependencySuccess = MeshInstanceHandler.DependencyCheck(meshInstanceData);
if (dependencySuccess)
{
ParseMeshInstanceData(meshInstanceData, out currentItemCreated);
// Delete the data
ImportMenu.stpUnityDeleteMeshInstanceData(meshInstanceDataStore[i]);
// Remove from the store
meshInstanceDataStore.RemoveAt(i);
}
// True if at least one item was created
newItemCreated = newItemCreated || currentItemCreated;
}
}