private static void AddNonRenderableRotations()
{
// These two frame names should never have any rendering done with
// them. NULLA is from ZDoom (I believe), and TNT1A I think is...
// from TNT? Either way, they are meant to be a "do not draw".
foreach (string name in new[] { "NULLA", "TNT1A" })
{
spriteRotations[name] = new SpriteRotations(name);
}
}
/// <summary>
/// Gets the sprite for the provided sprite/frame, or creates one if it
/// does not exist.
/// </summary>
/// <param name="spriteAndFrame">The name of the sprite to look up (ex:
/// "PLAYD"). This must contain the frame (or 5th letter).</param>
/// <returns>The sprite rotations, or a default value of missing images
/// if the sprite/frame is an empty string.</returns>
public static SpriteRotations Rotations(UpperString spriteAndFrame)
{
if (spriteAndFrame.Empty())
{
return(NullRotations);
}
if (spriteRotations.TryGetValue(spriteAndFrame, out SpriteRotations rotations))
{
return(rotations);
}
SpriteRotations newRotations = CreateSpriteFrom(spriteAndFrame);
spriteRotations[spriteAndFrame] = newRotations;
return(newRotations);
}