public AnimationClip MakeAnimationClip(GameObject root, Animation animation)
{
//Clear local caches
lastGameObjectCache.Clear();
animationEvents.Clear();
lastKeyframeCache.Clear();
var animClip = new AnimationClip();
animClip.name = animation.Name;
//Set clip to Generic type
AnimationUtility.SetAnimationType(animClip, ModelImporterAnimationType.Generic);
//Populate the animation curves & events
MakeAnimationCurves(root, animClip, animation);
//Add events to the clip
AnimationUtility.SetAnimationEvents(animClip, animationEvents.ToArray());
return animClip;
}
public AnimationClip MakeAnimationClip(GameObject root, Animation animation, string baseFolderPath)
{
//Clear local caches
lastGameObjectCache.Clear();
animationEvents.Clear();
lastKeyframeCache.Clear();
spriteChangeKeys.Clear();
spriteBaseFolder = baseFolderPath;
var animClip = new AnimationClip();
animClip.name = animation.Name;
//Set clip to Generic type
AnimationUtility.SetAnimationType(animClip, ModelImporterAnimationType.Generic);
//Populate the animation curves & events
MakeAnimationCurves(root, animClip, animation);
return animClip;
}
private void MakeAnimationCurves(GameObject root, AnimationClip animClip, Animation animation)
{
acb = new AnimationCurveBuilder();
//Get a list of all sprites on this GO
var allSprites = root.GetComponentsInChildren<Transform>(true).Select(sr => AnimationUtility.CalculateTransformPath(sr.transform, root.transform));
//Add a key for all objects on the first frame
SetGameObjectForKey(root, animClip, animation.MainlineKeys.First(), 0);
foreach (var mainlineKey in animation.MainlineKeys)
{
var visibleSprites = SetGameObjectForKey(root, animClip, mainlineKey);
var hiddenSprites = allSprites.Except(visibleSprites);
HideSprites(root, hiddenSprites, mainlineKey.Time);
}
switch (animation.LoopType)
{
case LoopType.True:
//Cycle back to first frame
SetGameObjectForKey(root, animClip, animation.MainlineKeys.First(), animation.Length);
break;
case LoopType.False:
//Duplicate the last key at the end time of the animation
SetGameObjectForKey(root, animClip, animation.MainlineKeys.Last(), animation.Length);
break;
default:
Debug.LogWarning("Unsupported loop type: " + animation.LoopType.ToString());
break;
}
//Add the curves to our animation clip
//NOTE: This MUST be done before modifying the settings, thus the double switch statement
acb.AddCurves(animClip);
foreach (var sprite in spriteChangeKeys)
{
if (sprite.Value.Count > 0)
{
BuildSpriteChangeCurve(ref animClip, sprite);
}
}
//Set the loop/wrap settings for the animation clip
var animSettings = AnimationUtility.GetAnimationClipSettings(animClip);
switch(animation.LoopType)
{
case LoopType.True:
animClip.wrapMode = WrapMode.Loop;
animSettings.loopTime = true;
break;
case LoopType.False:
animClip.wrapMode = WrapMode.ClampForever;
break;
case LoopType.PingPong:
animClip.wrapMode = WrapMode.PingPong;
animSettings.loopTime = true;
break;
default:
Debug.LogWarning("Unsupported loop type: " + animation.LoopType.ToString());
break;
}
animClip.SetAnimationSettings(animSettings);
//Debug.Log(string.Format("Setting animation {0} to {1} loop mode (WrapMode:{2} LoopTime:{3}) ", animClip.name, animation.LoopType, animClip.wrapMode, animSettings.loopTime));
}