/// <summary>
/// Requests a resource to the content manager.
/// </summary>
/// <typeparam name="T">Type of the resource.</typeparam>
/// <param name="resourcePath">The resource path.</param>
/// <returns>
/// The loaded resource.
/// </returns>
/// <exception cref="System.Exception">Trying to load the same asset with different types.</exception>
public override T Load <T>(string resourcePath)
{
lock (this)
{
ResourceTracker tracker = null;
string path = this.Normalize(resourcePath);
if (this.resources.TryGetValue(path, out tracker))
{
if (!(tracker.Content is T))
{
throw new InvalidOperationException("Trying to load the same asset with different types.");
}
}
else
{
tracker = new ResourceTracker()
{
Count = 1,
Content = this.ReadAsset <T>(path, null)
};
try
{
this.resources.Add(path, tracker);
}
catch (Exception e)
{
}
}
return((T)tracker.Content);
}
}
/// <summary>
/// Unloads all loaded resources and disposes them when possible.
/// </summary>
public override void Unload()
{
lock (this)
{
Dictionary <string, ResourceTracker> .Enumerator enumer = this.resources.GetEnumerator();
while (enumer.MoveNext())
{
ResourceTracker obj = enumer.Current.Value;
IDisposable disposable = obj.Content as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
obj = null;
}
this.resources.Clear();
}
}
/// <summary>
/// Unloads a single asset from the content manager.
/// </summary>
/// <param name="resourcePath">The resource path.</param>
public void Unload(string resourcePath)
{
lock (this)
{
ResourceTracker tracker = null;
string path = this.Normalize(resourcePath);
if (this.resources.TryGetValue(path, out tracker))
{
tracker.Count--;
if (tracker.Count == 0)
{
IDisposable disposable = tracker.Content as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
tracker = null;
this.resources.Remove(path);
}
}
}
}
