/// <summary>
/// Finds all of the <see cref="GrhData"/>s that reference a texture that does not exist.
/// </summary>
/// <returns>IEnumerable of all of the <see cref="GrhData"/>s that reference a texture that does not exist.</returns>
public static IEnumerable <StationaryGrhData> FindMissingTextures()
{
var nonanimated = GrhDatas.OfType <StationaryGrhData>();
var invalidTextures = nonanimated.Where(x => !x.TextureName.ContentExists());
return(invalidTextures);
}
/// <summary>
/// Gets a <see cref="IContentManager"/>.
/// </summary>
/// <returns>A <see cref="IContentManager"/>.</returns>
static IContentManager GetContentManager()
{
return(GrhDatas.OfType <StationaryGrhData>().First(x => x.ContentManager != null).ContentManager);
}
/// <summary>
/// Deletes a <see cref="GrhData"/>.
/// </summary>
/// <param name="grhData"><see cref="GrhData"/> to delete.</param>
/// <exception cref="ArgumentNullException"><paramref name="grhData" /> is <c>null</c>.</exception>
public static void Delete(GrhData grhData)
{
if (grhData == null)
{
throw new ArgumentNullException("grhData");
}
var grhIndex = grhData.GrhIndex;
if (grhIndex.IsInvalid)
{
return;
}
// Insure the index is valid
if (!_grhDatas.CanGet((int)grhIndex))
{
const string errmsg = "Attempted to delete GrhData `{0}`, but GrhIndex `{1}` could not be acquired.";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, grhData, grhIndex);
}
Debug.Fail(string.Format(errmsg, grhData, grhIndex));
return;
}
// Make sure we are deleting the correct GrhData
var i = (int)grhIndex;
if (_grhDatas[i] != grhData)
{
const string errmsg =
"Attempted to delete GrhData `{0}`, but GrhIndex `{1}` is already in use by" +
" a different GrhData `{2}`. Most likely, the GrhData we tried to delete is already deleted, and" +
" the GrhIndex has been recycled to a new GrhData. Stop trying to delete dead stuff, will ya!?";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, grhData, grhIndex, _grhDatas[i]);
}
Debug.Fail(string.Format(errmsg, grhData, grhIndex, _grhDatas[i]));
return;
}
// Remove the GrhData from the collection
_grhDatas.RemoveAt((int)grhIndex);
// If a stationary GrhData and auto-size is set, delete the texture, too
try
{
var sgd = grhData as StationaryGrhData;
if (sgd != null && sgd.AutomaticSize)
{
// Make sure no other GrhData is using the texture
var origTexture = sgd.GetOriginalTexture();
if (GrhDatas.OfType <StationaryGrhData>().All(x => origTexture != x.GetOriginalTexture()))
{
// Dispose of the texture then recycle the file
origTexture.Dispose();
try
{
sgd.TextureName.RecycleFile();
}
catch
{
}
}
}
}
catch (Exception ex)
{
const string errmsg = "Failed to recycle texture file for GrhData `{0}`. Exception: {1}";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, grhData, ex);
}
Debug.Fail(string.Format(errmsg, grhData, ex));
}
}