private void CreateAnimatorOverrideController(AsepriteAnimationInfo animations)
{
if (_baseController != null)
{
AnimatorOverrideController overrideController;
// check if override controller already exists; use this to not loose any references to this in other assets
string pathForOverrideController = animations.basePath + "/" + animations.name + ".overrideController";
overrideController = AssetDatabase.LoadAssetAtPath <AnimatorOverrideController>(pathForOverrideController);
if (overrideController == null)
{
overrideController = new AnimatorOverrideController();
AssetDatabase.CreateAsset(overrideController, pathForOverrideController);
}
overrideController.runtimeAnimatorController = _baseController;
// set override clips
var clipPairs = overrideController.clips;
for (int i = 0; i < clipPairs.Length; i++)
{
string animationName = clipPairs[i].originalClip.name;
AnimationClip clip = animations.GetClip(animationName);
clipPairs[i].overrideClip = clip;
}
overrideController.clips = clipPairs;
EditorUtility.SetDirty(overrideController);
}
else
{
Debug.LogWarning("No Animator Controller found as a base for the Override Controller");
}
}
// ================================================================================
// public static methods
// --------------------------------------------------------------------------------
public static AsepriteAnimationInfo GetAnimationInfo(JSONObject root)
{
AsepriteAnimationInfo importedInfos = new AsepriteAnimationInfo();
// meta animations
var meta = root["meta"].Obj;
var size = meta["size"].Obj;
importedInfos.width = (int)size["w"].Number;
importedInfos.height = (int)size["h"].Number;
var frameTags = meta["frameTags"].Array;
foreach (var item in frameTags)
{
JSONObject frameTag = item.Obj;
AsepriteAnimation anim = new AsepriteAnimation();
anim.name = frameTag["name"].Str;
anim.from = (int)(frameTag["from"].Number);
anim.to = (int)(frameTag["to"].Number);
importedInfos.animations.Add(anim);
}
// sprites
var list = root["frames"].Array;
foreach (var item in list)
{
AsepriteFrame frame = new AsepriteFrame();
frame.filename = item.Obj["filename"].Str;
var frameValues = item.Obj["frame"].Obj;
frame.width = (int)frameValues["w"].Number;
frame.height = (int)frameValues["h"].Number;
frame.x = (int)frameValues["x"].Number;
frame.y = importedInfos.height - (int)frameValues["y"].Number - frame.height; // unity has a different coord system
frame.duration = (int)item.Obj["duration"].Number;
importedInfos.frames.Add(frame);
}
importedInfos.CalculateTimings();
return(importedInfos);
}
private AsepriteAnimationInfo ImportJSONAndCreateAnimations(string basePath, string name)
{
string imagePath = basePath;
if (_saveSpritesToSubfolder)
{
imagePath += "/Sprites";
}
string imageAssetFilename = imagePath + "/" + name + ".png";
string textAssetFilename = imagePath + "/" + name + ".json";
TextAsset textAsset = AssetDatabase.LoadAssetAtPath <TextAsset>(textAssetFilename);
if (textAsset != null)
{
// parse the JSON file
JSONObject jsonObject = JSONObject.Parse(textAsset.ToString());
AsepriteAnimationInfo animations = AsepriteAnimationInfo.GetAnimationInfo(jsonObject);
animations.basePath = basePath;
animations.name = name;
animations.nonLoopingAnimations = _animationNamesThatDoNotLoop;
AssetDatabase.DeleteAsset(AssetDatabase.GetAssetPath(textAsset)); // delete JSON file afterwards
CreateSprites(imageAssetFilename, animations);
if (_saveAnimationsToSubfolder)
{
string path = basePath + "/Animations";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
CreateAnimations(imageAssetFilename, path, animations);
}
else
{
CreateAnimations(imageAssetFilename, basePath, animations);
}
return(animations);
}
else
{
Debug.LogWarning("Problem with JSON file: " + textAssetFilename);
}
return(null);
}
// ================================================================================
// public static methods
// --------------------------------------------------------------------------------
public static AsepriteAnimationInfo GetAnimationInfo(JSONObject root)
{
AsepriteAnimationInfo importedInfos = new AsepriteAnimationInfo();
// meta animations
var meta = root["meta"].Obj;
var size = meta["size"].Obj;
importedInfos.width = (int)size["w"].Number;
importedInfos.height = (int)size["h"].Number;
var frameTags = meta["frameTags"].Array;
foreach (var item in frameTags)
{
JSONObject frameTag = item.Obj;
AsepriteAnimation anim = new AsepriteAnimation();
anim.name = frameTag["name"].Str;
anim.from = (int)(frameTag["from"].Number);
anim.to = (int)(frameTag["to"].Number);
importedInfos.animations.Add(anim);
}
// sprites
var list = root["frames"].Array;
foreach (var item in list)
{
AsepriteFrame frame = new AsepriteFrame();
frame.filename = item.Obj["filename"].Str;
var frameValues = item.Obj["frame"].Obj;
frame.width = (int)frameValues["w"].Number;
frame.height = (int)frameValues["h"].Number;
frame.x = (int)frameValues["x"].Number;
frame.y = importedInfos.height - (int)frameValues["y"].Number - frame.height; // unity has a different coord system
frame.duration = (int)item.Obj["duration"].Number;
importedInfos.frames.Add(frame);
}
importedInfos.CalculateTimings();
return importedInfos;
}
private void CreateSprites(string imageFile, AsepriteAnimationInfo animations)
{
TextureImporter importer = AssetImporter.GetAtPath(imageFile) as TextureImporter;
// adjust values for pixel art
importer.spriteImportMode = SpriteImportMode.Multiple;
importer.spritePixelsPerUnit = _spritePixelsPerUnit;
importer.mipmapEnabled = false;
importer.filterMode = FilterMode.Point;
importer.textureFormat = TextureImporterFormat.AutomaticTruecolor;
importer.maxTextureSize = animations.maxTextureSize;
// create sub sprites for this file
importer.spritesheet = animations.GetSpriteSheet(_spriteAlignment, _spriteAlignmentCustomX, _spriteAlignmentCustomY);
EditorUtility.SetDirty(importer);
importer.SaveAndReimport();
AssetDatabase.ImportAsset(imageFile, ImportAssetOptions.ForceUpdate);
}
private void CreateAnimatorController(AsepriteAnimationInfo animations)
{
AnimatorController controller;
// check if controller already exists; use this to not loose any references to this in other assets
string pathForOverrideController = animations.basePath + "/" + animations.name + ".controller";
controller = AssetDatabase.LoadAssetAtPath <AnimatorController>(pathForOverrideController);
if (controller == null)
{
// create a new controller and place every animation as a state on the first layer
controller = AnimatorController.CreateAnimatorControllerAtPath(animations.basePath + "/" + animations.name + ".controller");
controller.AddLayer("Default");
foreach (var animation in animations.animations)
{
AnimatorState state = controller.layers[0].stateMachine.AddState(animation.name);
state.motion = animation.animationClip;
}
}
else
{
// look at all states on the first layer and replace clip if state has the same name
var childStates = controller.layers[0].stateMachine.states;
foreach (var childState in childStates)
{
AnimationClip clip = animations.GetClip(childState.state.name);
if (clip != null)
{
childState.state.motion = clip;
}
}
}
EditorUtility.SetDirty(controller);
AssetDatabase.SaveAssets();
}
private void CreateAnimations(string imageAssetFilename, string animationsPath, AsepriteAnimationInfo animationInfo)
{
string masterName = Path.GetFileNameWithoutExtension(imageAssetFilename);
var assets = AssetDatabase.LoadAllAssetsAtPath(imageAssetFilename);
List <Sprite> sprites = new List <Sprite>();
foreach (var item in assets)
{
if (item is Sprite)
{
sprites.Add(item as Sprite);
}
}
foreach (var animation in animationInfo.animations)
{
animationInfo.CreateAnimation(animationsPath, masterName, animation, sprites);
}
}
