public static Drawable GetAnimation(this ISkin source, string componentName, WrapMode wrapModeS, WrapMode wrapModeT, bool animatable, bool looping, bool applyConfigFrameRate = false,
string animationSeparator = "-",
bool startAtCurrentTime = true, double?frameLength = null)
{
Texture texture;
if (animatable)
{
var textures = getTextures().ToArray();
if (textures.Length > 0)
{
var animation = new SkinnableTextureAnimation(startAtCurrentTime)
{
DefaultFrameLength = frameLength ?? getFrameLength(source, applyConfigFrameRate, textures),
Loop = looping,
};
foreach (var t in textures)
{
animation.AddFrame(t);
}
return(animation);
}
}
// if an animation was not allowed or not found, fall back to a sprite retrieval.
if ((texture = source.GetTexture(componentName, wrapModeS, wrapModeT)) != null)
{
return new Sprite {
Texture = texture
}
}
;
return(null);
IEnumerable <Texture> getTextures()
{
for (int i = 0; true; i++)
{
if ((texture = source.GetTexture($"{componentName}{animationSeparator}{i}", wrapModeS, wrapModeT)) == null)
{
break;
}
yield return(texture);
}
}
}
public static Drawable?GetAnimation(this ISkin?source, string componentName, WrapMode wrapModeS, WrapMode wrapModeT, bool animatable, bool looping, bool applyConfigFrameRate = false,
string animationSeparator = "-", bool startAtCurrentTime = true, double?frameLength = null)
{
if (source == null)
{
return(null);
}
var textures = GetTextures(source, componentName, wrapModeS, wrapModeT, animatable, animationSeparator, out var retrievalSource);
switch (textures.Length)
{
case 0:
return(null);
case 1:
return(new Sprite {
Texture = textures[0]
});
default:
Debug.Assert(retrievalSource != null);
var animation = new SkinnableTextureAnimation(startAtCurrentTime)
{
DefaultFrameLength = frameLength ?? getFrameLength(retrievalSource, applyConfigFrameRate, textures),
Loop = looping,
};
foreach (var t in textures)
{
animation.AddFrame(t);
}
return(animation);
}
}
public static Drawable GetAnimation(this ISkin source, string componentName, WrapMode wrapModeS, WrapMode wrapModeT, bool animatable, bool looping, bool applyConfigFrameRate = false,
string animationSeparator = "-",
bool startAtCurrentTime = true, double?frameLength = null)
{
Texture texture;
// find the first source which provides either the animated or non-animated version.
ISkin skin = (source as ISkinSource)?.FindProvider(s =>
{
if (animatable && s.GetTexture(getFrameName(0)) != null)
{
return(true);
}
return(s.GetTexture(componentName, wrapModeS, wrapModeT) != null);
}) ?? source;
if (skin == null)
{
return(null);
}
if (animatable)
{
var textures = getTextures().ToArray();
if (textures.Length > 0)
{
var animation = new SkinnableTextureAnimation(startAtCurrentTime)
{
DefaultFrameLength = frameLength ?? getFrameLength(skin, applyConfigFrameRate, textures),
Loop = looping,
};
foreach (var t in textures)
{
animation.AddFrame(t);
}
return(animation);
}
}
// if an animation was not allowed or not found, fall back to a sprite retrieval.
if ((texture = skin.GetTexture(componentName, wrapModeS, wrapModeT)) != null)
{
return new Sprite {
Texture = texture
}
}
;
return(null);
IEnumerable <Texture> getTextures()
{
for (int i = 0; true; i++)
{
if ((texture = skin.GetTexture(getFrameName(i), wrapModeS, wrapModeT)) == null)
{
break;
}
yield return(texture);
}
}
string getFrameName(int frameIndex) => $"{componentName}{animationSeparator}{frameIndex}";
}