// files is an array as oppose to just 1 file because things like shaders consist of multiple files
private T Load <T>(string[] files, ContentCreateOptions createOptions) where T : LoadableContent
{
object[] ctorParams;
if (createOptions != null)
{
// Files + 1 for create options
ctorParams = new object[files.Length + 1];
// Assign last element for create options
ctorParams[ctorParams.Length - 1] = createOptions;
}
else
{
// No create options just allocate space for files
ctorParams = new object[files.Length];
}
// Assign files to constructor parameters
for (int i = 0; i < files.Length; i++)
{
ctorParams[i] = files[i];
}
// Check if we have this content cached before loading a new one
LoadableContent cached = GetCachedContent(files, createOptions);
if (cached != null)
{
return((T)cached);
}
// Create content instance from constructor parameters
const BindingFlags bindingFlags = BindingFlags.NonPublic | BindingFlags.Instance;
LoadableContent content = (LoadableContent)Activator.CreateInstance(typeof(T), bindingFlags, null, ctorParams, null);
// Cache the new content
_contentCache.Add(new ContentInfo(files, createOptions), content);
string logString = $"Loaded {typeof(T).Name}";
logString = files.Aggregate(logString, (current, file) => current + $" '{file}'");
if (createOptions != null)
{
logString += $" {createOptions}";
}
Engine.Get.Debug.Info(logString);
return((T)content);
}
private LoadableContent GetCachedContent(string[] files, ContentCreateOptions createOptions)
{
LoadableContent cached = null;
ContentInfo? contentInfo = null;
foreach (KeyValuePair <ContentInfo, LoadableContent> loadableContent in _contentCache)
{
if (loadableContent.Key.Files.SequenceEqual(files))
{
if (createOptions != null)
{
if (loadableContent.Key.CreateOptions.IsEqualContentInternal(createOptions))
{
cached = loadableContent.Value;
contentInfo = loadableContent.Key;
break;
}
}
else
{
contentInfo = loadableContent.Key;
cached = loadableContent.Value;
break;
}
}
}
if (cached == null)
{
return(null);
}
if (cached.IsDisposed)
{
_contentCache.Remove(contentInfo.Value);
return(null);
}
return(cached);
}