public UnsupportedGrhDataTypeException(GrhData grhData)
: base(
grhData,
string.Format("GrhData `{0}` is of derived type `{1}`, which is not supported by this operation.", grhData,
grhData.GetType()))
{
}
public UnsupportedGrhDataTypeException(GrhData grhData)
: base(
grhData,
string.Format("GrhData `{0}` is of derived type `{1}`, which is not supported by this operation.", grhData,
grhData.GetType()))
{
}
/// <summary>
/// Performs a detailed check to ensure the Grh can be drawn without problem. This should be called before
/// any drawing is done!
/// </summary>
/// <param name="spriteBatch"><see cref="ISpriteBatch"/> to draw to.</param>
/// <returns>True if it is safe for the Grh to draw to the <paramref name="spriteBatch"/>, else false.</returns>
bool CanDrawGrh(ISpriteBatch spriteBatch)
{
// Invalid GrhData
if (GrhData == null)
{
const string errmsg = "Failed to render Grh - GrhData is null!";
if (log.IsWarnEnabled)
{
log.Warn(errmsg);
}
return(false);
}
// Invalid texture
if (Texture == null)
{
if (log.IsWarnEnabled)
{
var sgd = GrhData as StationaryGrhData;
if (sgd == null)
{
const string errmsg =
"Failed to render Grh `{0}` - GrhData `{1}` is of type `{2}` instead of the expected type `{3}`!";
log.ErrorFormat(errmsg, this, GrhData, GrhData.GetType(), typeof(StationaryGrhData));
}
else
{
const string errmsg = "Failed to render Grh `{0}` - GrhData returning null texture for `{1}`!";
log.WarnFormat(errmsg, this, sgd.TextureName);
}
}
return(false);
}
// Invalid SpriteBatch
if (spriteBatch == null)
{
const string errmsg = "Failed to render Grh `{0}` - SpriteBatch is null!";
if (log.IsWarnEnabled)
{
log.WarnFormat(errmsg, this);
}
return(false);
}
if (spriteBatch.IsDisposed)
{
const string errmsg = "Failed to render Grh `{0}` - SpriteBatch is disposed!";
if (log.IsWarnEnabled)
{
log.WarnFormat(errmsg, this);
}
return(false);
}
// All is good
return(true);
}