private void ChangeMesh(MeshDataAssetReference oldMesh, MeshDataAssetReference newMesh)
{
MeshChangeAction action;
//If mesh is null but value is an instance,
//we assume we are setting a new mesh
if (oldMesh == null && newMesh is MeshDataAssetReference)
{
action = MeshChangeAction.New;
}
//else if old mesh is an instance, but we are nulling it
//we assume it means remove
else if (oldMesh is MeshDataAssetReference && newMesh == null)
{
action = MeshChangeAction.Remove;
}
//If none of the above applies we assume its a
//change from one to another
else
{
action = MeshChangeAction.Change;
}
//Trigger change event
MeshChanged?.Invoke(this, new MeshChangedArgs(oldMesh, newMesh, action));
}
public override void Deserialize(XElement data)
{
var meshReference = data.Element("MeshDataReference");
string assetUriString = meshReference.Value;
Uri assetUri = new Uri(assetUriString);
var meshRef = AssetCache.DefaultInstance.Load <MeshDataAssetReference>(assetUri);
//Assign directly to backing field, no need to tringe change mesh
//as deserialize is just called on new entities and they will have their mesh loaded
//on parent entity insertion into scenegraph
mesh = meshRef;
}
public MeshChangedArgs(MeshDataAssetReference oldMesh, MeshDataAssetReference newMesh, MeshChangeAction action)
{
Old = oldMesh;
New = newMesh;
Action = action;
}
