public override void OnInspectorGUI()
{
if (!atlas)
{
atlas = (UIAtlas)target;
}
if (list == null)
{
list = serializedObject.FindProperty("objectsForPacking");
}
serializedObject.Update();
EditorGUILayout.HelpBox("You Can Select Folder or Texture Here To Packger Atlas.\n Remember to Select Save Path and Click Packer Button.", MessageType.Info);
GUILayout.BeginVertical();
GUILayout.BeginHorizontal();
GUILayout.Label("Save Path:");
GUILayout.Label(atlas.savePath);
if (GUILayout.Button("...", GUILayout.Width(30)))
{
string path = EditorUtility.OpenFolderPanel("Select Folder To Save Atlas", atlas.savePath, "");
if (!string.IsNullOrEmpty(path))
{
string[] ps = path.Split(new[] { "Assets/" }, StringSplitOptions.None);
if (ps.Length == 2)
{
atlas.savePath = "Assets/" + ps[1];
}
else
{
EditorUtility.DisplayDialog("Note", "You Can Select Assets Folder Only!", "Ok, I will.");
}
}
}
GUILayout.EndHorizontal();
atlas.atlasSize = (UIAtlas.AtlasSize)EditorGUILayout.EnumPopup("Atlas Size:", atlas.atlasSize);
EditorGUILayout.PropertyField(list, true);
GUILayout.Space(10);
if (atlas.objectsForPacking.Count > 0)
{
if (GUILayout.Button(" Packer ", GUILayout.ExpandWidth(false)))
{
List <Texture2D> textures = ScanForTextures(atlas.objectsForPacking);
Texture2D texture = new Texture2D((int)atlas.atlasSize, (int)atlas.atlasSize);
Rect[] rs = texture.PackTextures(textures.ToArray(), 1);
byte[] bs = texture.EncodeToPNG();
string selfPath = AssetDatabase.GetAssetPath(target);
string atlasName = selfPath.Replace(Path.GetExtension(selfPath), ".png"); //atlas.savePath + "/" + target.name + ".png";
File.WriteAllBytes(atlasName, bs);
List <SpriteMetaData> sheet = new List <SpriteMetaData>();
for (int i = 0; i < rs.Length; i++)
{
var rect = rs[i];
rect.x *= texture.width;
rect.y *= texture.height;
rect.width *= texture.width;
rect.height *= texture.height;
SpriteMetaData meta = new SpriteMetaData();
meta.rect = rect;
meta.name = textures[i].name;
meta.border = Vector4.zero;
meta.pivot = Vector2.zero;
sheet.Add(meta);
}
AssetDatabase.Refresh();
TextureImporter texImp = AssetImporter.GetAtPath(atlasName) as TextureImporter;
texImp.spritesheet = sheet.ToArray();
texImp.textureType = TextureImporterType.Sprite;
texImp.spriteImportMode = SpriteImportMode.Multiple;
AssetDatabase.ImportAsset(atlasName, ImportAssetOptions.ForceUpdate);
GameObject obj = new GameObject(target.name);
SpriteAtlas spriteAtlas = obj.AddComponent <SpriteAtlas>();
object[] sps = AssetDatabase.LoadAllAssetsAtPath(atlasName);
foreach (var sp in sps)
{
if (sp is Sprite)
{
Sprite sprite = (Sprite)sp;
spriteAtlas.AddToList(sprite);
}
}
string prefabPath = atlas.savePath + "/" + target.name + ".prefab";
PrefabUtility.CreatePrefab(prefabPath, obj);
AssetDatabase.Refresh();
DestroyImmediate(obj);
var genetare = AssetDatabase.LoadAssetAtPath <Texture2D>(atlasName);
atlas.preview = genetare;
atlas.genreteSize = new Vector2(genetare.width, genetare.height);
var prefab = AssetDatabase.LoadAssetAtPath <GameObject>(prefabPath);
atlas.spriteAtlas = prefab.GetComponent <SpriteAtlas>();
}
}
GUILayout.Space(30);
GUILayout.Label("Preview Parms");
GUI.enabled = false;
//if (atlas.spriteAtlas)
EditorGUILayout.ObjectField("Sprite Atlas:", atlas.spriteAtlas, typeof(SpriteAtlas), false);
//if(atlas.preview)
EditorGUILayout.Vector2Field("Generated Size:", atlas.genreteSize);
EditorGUILayout.ObjectField("Preview Atlas:", atlas.preview, typeof(Texture2D), false);
GUI.enabled = true;
GUILayout.EndVertical();
if (GUI.changed)
{
EditorUtility.SetDirty(target);
}
serializedObject.ApplyModifiedProperties();
}