/// <summary>
/// Pack textures(Editor only)
/// </summary>
/// <param name="textures"></param>
/// <param name="atlas"></param>
/// <param name="options"></param>
/// <param name="generateJson"></param>
public static void Pack(Texture2D[] textures, AtlasPlus atlas, Options options, bool generateJson)
{
Texture[] data = textures == null
? null
: textures.Select(
t =>
new Texture
{
name = t.name,
path = AssetDatabase.GetAssetPath(t)
}).ToArray();
var count = data == null ? 0 : data.Length;
string json;
if (
!Pack(data, count, options, out json, DebugOptions.None) || string.IsNullOrEmpty(json))
{
return;
}
if (generateJson)
{
File.WriteAllText(Path.ChangeExtension(options.outputPath, "json"), json);
}
AssetDatabase.Refresh();
var ja = Json.Deserialize(json) as Dictionary <string, object>;
if (ja == null)
{
return;
}
var ta = ja["textures"] as List <object>;
var sa = ja["sprites"] as List <object>;
if (ta == null || sa == null)
{
return;
}
atlas.textures = new TextureInfo[ta.Count];
for (int i = 0; i < ta.Count; i++)
{
Dictionary <string, object> t = (Dictionary <string, object>)ta[i];
atlas.textures[i] = new TextureInfo();
atlas.textures[i].width = (int)(long)t["width"];
atlas.textures[i].height = (int)(long)t["height"];
atlas.textures[i].texture = AssetDatabase.LoadAssetAtPath <Texture2D>((string)t["path"]);
if (atlas.textures[i].texture)
{
atlas.textures[i].texture.name = (string)t["name"];
}
}
atlas.sprites = new SpriteInfo[sa.Count];
for (int i = 0; i < sa.Count; i++)
{
Dictionary <string, object> s = (Dictionary <string, object>)sa[i];
atlas.sprites[i] = new SpriteInfo();
atlas.sprites[i].name = (string)s["name"];
atlas.sprites[i].section = (int)(long)s["section"];
var rect = (Dictionary <string, object>)s["rect"];
var uv = (Dictionary <string, object>)s["uv"];
atlas.sprites[i].sourceRect = Rect.MinMaxRect((int)(long)rect["xMin"], (int)(long)rect["yMin"],
(int)(long)rect["xMax"], (int)(long)rect["yMax"]);
Converter <object, float> converter =
input => (float)TypeDescriptor.GetConverter(input.GetType()).ConvertTo(input, typeof(float));
atlas.sprites[i].uvRect = Rect.MinMaxRect(converter(uv["xMin"]), converter(uv["yMin"]),
converter(uv["xMax"]), converter(uv["yMax"]));
}
atlas.maxWidth = options.maxWidth;
atlas.maxHeight = options.maxHeight;
}
/// <summary>
/// Dynamically create atlas
/// </summary>
/// <param name="textures">Paths that can be accessed on all platforms at runtime</param>
/// <param name="options"></param>
/// <returns></returns>
//TODO: load at path
public static AtlasPlus Create(string[] textures, Options options)
{
Texture[] input = textures == null
? null
: textures.Select(t => new Texture
{
path = t,
name = Path.GetFileNameWithoutExtension(t)
}).ToArray();
var count = input == null ? 0 : input.Length;
string json;
if (
!Pack(input, count, options, out json, DebugOptions.None) || string.IsNullOrEmpty(json))
{
return(null);
}
AtlasPlus atlas = ScriptableObject.CreateInstance <AtlasPlus>();
var ja = Json.Deserialize(json) as Dictionary <string, object>;
if (ja == null)
{
return(null);
}
var ta = ja["textures"] as List <object>;
var sa = ja["sprites"] as List <object>;
if (ta == null || sa == null)
{
return(null);
}
atlas.textures = new TextureInfo[ta.Count];
string[] paths = new string[ta.Count];
for (int i = 0; i < ta.Count; i++)
{
Dictionary <string, object> t = (Dictionary <string, object>)ta[i];
atlas.textures[i] = new TextureInfo();
atlas.textures[i].width = (int)(long)t["width"];
atlas.textures[i].height = (int)(long)t["height"];
//atlas.textures[i].texture = Resources.Load<Texture2D>((string) t["path"]);
paths[i] = "file://" + (string)t["path"];
if (atlas.textures[i].texture)
{
atlas.textures[i].texture.name = (string)t["name"];
}
}
atlas.sprites = new SpriteInfo[sa.Count];
for (int i = 0; i < sa.Count; i++)
{
Dictionary <string, object> s = (Dictionary <string, object>)sa[i];
atlas.sprites[i] = new SpriteInfo();
atlas.sprites[i].name = (string)s["name"];
atlas.sprites[i].section = (int)(long)s["section"];
var rect = (Dictionary <string, object>)s["rect"];
var uv = (Dictionary <string, object>)s["uv"];
atlas.sprites[i].sourceRect = Rect.MinMaxRect((int)(long)rect["xMin"], (int)(long)rect["yMin"],
(int)(long)rect["xMax"], (int)(long)rect["yMax"]);
Converter <object, float> converter =
obj => (float)TypeDescriptor.GetConverter(input.GetType()).ConvertTo(input, typeof(float));
atlas.sprites[i].uvRect = Rect.MinMaxRect(converter(uv["xMin"]), converter(uv["yMin"]),
converter(uv["xMax"]), converter(uv["yMax"]));
}
atlas.maxWidth = options.maxWidth;
atlas.maxHeight = options.maxHeight;
return(atlas);
}
