/// <summary>
/// Get the Rectangle definition of the slice at the current frame of
/// animation, if there is a slice key defined for the frame
/// </summary>
/// <param name="sliceName">The name of the slice</param>
/// <returns>
/// A Rectangle definition of the frame slice, at the xy-coordinate of
/// this sprite. If no slice key exists for the current frame,
/// null is returned.
/// </returns>
/// <exception cref="ArgumentException">
/// Thrown if the slice name provided does not exist in the animation definitions slice dictionary
/// </exception>
public bool TryGetCurrentFrameSlice(string sliceName, out SliceKey sliceKey)
{
// Ensure that we have a slice defined with the given name
if (Slices.TryGetValue(sliceName, out Slice slice))
{
// Ensure we have a slice key at the current animation frame index
if (slice.Keys.TryGetValue(CurrentFrameIndex, out sliceKey))
{
// Update the xy-coordinate of the slicekey bounds to match the positiona
// data of this animated sprite.
sliceKey.Bounds.X += (int)Position.X;
sliceKey.Bounds.Y += (int)Position.Y;
return(true);
}
else
{
// There is no slicekey for the current frame index, so we return false.
return(false);
}
}
else
{
// No slice exists with the given name, return false
sliceKey = new SliceKey();
return(false);
}
}
/// <summary>
/// Creates a new <see cref="AnimatedSprite"/> instance.
/// </summary>
/// <param name="aseprite">
/// An <see cref="AsepriteDocument"/> instace created by
/// importing from the content pipeline.
/// </param>
/// <param name="position">
/// The top-left xy-coordinate position.
/// </param>
public AnimatedSprite(AsepriteDocument aseprite, Vector2 position)
: this(aseprite.Texture, position)
{
for (int i = 0; i < aseprite.Frames.Count; i++)
{
Frames.Add(new Frame()
{
Bounds = new Rectangle(aseprite.Frames[i].X, aseprite.Frames[i].Y, aseprite.Frames[i].Width, aseprite.Frames[i].Height),
Duration = aseprite.Frames[i].Duration
});
}
foreach (KeyValuePair <string, AsepriteTag> kvp in aseprite.Tags)
{
Animation animation = new Animation()
{
Name = kvp.Value.Name,
From = kvp.Value.From,
To = kvp.Value.To,
Direction = (AnimationLoopDirection)kvp.Value.Direction,
IsOneShot = kvp.Value.IsOneShot
}
;
Animations.Add(animation.Name, animation);
}
foreach (KeyValuePair <string, AsepriteSlice> kvp in aseprite.Slices)
{
Slice slice = new Slice
{
Name = kvp.Value.Name,
Color = kvp.Value.Color,
Keys = new Dictionary <int, SliceKey>()
};
foreach (KeyValuePair <int, AsepriteSliceKey> innerKVP in kvp.Value.SliceKeys)
{
SliceKey key = new SliceKey()
{
Bounds = new Rectangle(innerKVP.Value.X, innerKVP.Value.Y, innerKVP.Value.Width, innerKVP.Value.Height),
Frame = innerKVP.Value.FrameIndex,
Color = slice.Color
};
slice.Keys.Add(key.Frame, key);
}
Slices.Add(slice.Name, slice);
}
Play(Animations.First().Key);
}
