private static bool HasFlag(TrackBindingErrors errors, TrackBindingErrors flag)
{
return((errors & flag) != 0);
}
/// <summary>
/// Gets the error text for the specified track.
/// </summary>
/// <param name="track">The track to retrieve options for.</param>
/// <param name="boundObject">The binding for the track.</param>
/// <param name="detectErrors">The errors to check for.</param>
/// <returns>An error to be displayed on the track, or string.Empty if there is no error.</returns>
public string GetErrorText(TrackAsset track, UnityEngine.Object boundObject, TrackBindingErrors detectErrors)
{
if (track == null || boundObject == null)
{
return(string.Empty);
}
var bindingType = GetBindingType(track);
if (bindingType != null)
{
// bound to a prefab asset
if (HasFlag(detectErrors, TrackBindingErrors.PrefabBound) && PrefabUtility.IsPartOfPrefabAsset(boundObject))
{
return(k_PrefabBound);
}
// If we are a component, allow for bound game objects (legacy)
if (typeof(Component).IsAssignableFrom(bindingType))
{
var gameObject = boundObject as GameObject;
var component = boundObject as Component;
if (component != null)
{
gameObject = component.gameObject;
}
// game object is bound with no component
if (HasFlag(detectErrors, TrackBindingErrors.NoValidComponent) && gameObject != null && component == null)
{
component = gameObject.GetComponent(bindingType);
if (component == null)
{
return(k_NoValidComponent);
}
}
// attached gameObject is disables (ignores Activation Track)
if (HasFlag(detectErrors, TrackBindingErrors.BoundGameObjectDisabled) && gameObject != null && !gameObject.activeInHierarchy)
{
return(k_BoundGameObjectDisabled);
}
// component is disabled
var behaviour = component as Behaviour;
if (HasFlag(detectErrors, TrackBindingErrors.BehaviourIsDisabled) && behaviour != null && !behaviour.enabled)
{
return(k_RequiredComponentIsDisabled);
}
// mismatched binding
if (HasFlag(detectErrors, TrackBindingErrors.InvalidBinding) && component != null && !bindingType.IsAssignableFrom(component.GetType()))
{
return(k_InvalidBinding);
}
}
// Mismatched binding (non-component)
else if (HasFlag(detectErrors, TrackBindingErrors.InvalidBinding) && !bindingType.IsAssignableFrom(boundObject.GetType()))
{
return(k_InvalidBinding);
}
}
return(string.Empty);
}
