/// <summary>
/// This is called to validate the scene and ensure it can be exported.
/// <strong>If you override this, make sure to call <code>base.Validate(scene, root, err)</code>! (Preferably before your code)</strong>
/// Also, do NOT return early from this method unless absolutely necessary. Validate as many thing as you can.
/// </summary>
/// <param name="scene">The scene to export</param>
/// <param name="root">The root game object</param>
/// <param name="err">An object used to inform the exporter what's happened</param>
public virtual void Validate(Scene scene, CustomScene root, ExportErrors err)
{
// Save these for later.
_scene = scene;
_root = root;
_err = err;
// Check for NavMesh and Occlusion data
// These aren't *required* so they will only be warnings
if (!File.Exists(Path.GetDirectoryName(scene.path) + "/" + scene.name + "/NavMesh.asset"))
{
err.AddWarning("Scene is missing NavMesh data!");
}
if (!File.Exists(Path.GetDirectoryName(scene.path) + "/" + scene.name + "/OcclusionCullingData.asset"))
{
err.AddWarning("Scene is missing Occlusion Culling Data!");
}
// Let the proxied components know we're about to export
foreach (var proxy in scene.GetRootGameObjects().SelectMany(x => x.GetComponentsInChildren <ComponentProxy>()))
{
proxy.OnExport(err);
}
}
/// <summary>
/// Simple helper function to check if the number of components of a certain type is between two numbers
/// </summary>
/// <param name="min">The minimum number</param>
/// <param name="max">The maximum number</param>
/// <param name="warning">If invalid, produces a warning instead of an error</param>
/// <param name="message">Custom message to log</param>
/// <typeparam name="T">The type of the component</typeparam>
protected void RequiredComponents <T>(int min, int max = int.MaxValue, bool warning = false, string message = null)
{
var count = _root.GetComponentsInChildren <T>().Length;
if (min <= count && count <= max)
{
return;
}
var msg = min == max ? $"{min}" : max == int.MaxValue ? $"at least {min}" : $"{min} - {max}";
if (warning)
{
_err.AddWarning(message ?? $"Your scene contains {count} {typeof(T).Name}. Recommended number is {msg}");
}
else
{
_err.AddError(message ?? $"Your scene contains {count} {typeof(T).Name}. Required number is {msg}");
}
}