FxSprite Select(Rect rect, FxAtlas atlas)
{
var evt = Event.current;
if (evt.type == EventType.MouseUp)
{
var norCenterPos = Rect.PointToNormalized(rect, evt.mousePosition);
if (!new Rect(0, 0, 1, 1).Contains(norCenterPos))
{
return(default);
public static bool SaveAtlas(FxAtlasAssembler assembler)
{
if (!assembler)
{
return(false);
}
string atlasAssetPath;
string atlasTexturePath;
FxAtlas atlasAsset = assembler.AtlasAsset;
Texture2D atlasTexture;
//没有atlas的时候，新建一个
if (atlasAsset == null)
{
atlasAssetPath = EditorUtility.SaveFilePanel("Save", "Assets", "atlas.asset", "asset");
if (string.IsNullOrEmpty(atlasAssetPath))
{
return(false);
}
else if (atlasAssetPath.EndsWith(".asset") == false)
{
Debug.LogError("must has .asset extension");
return(false);
}
atlasAssetPath = FileUtil.GetProjectRelativePath(atlasAssetPath);
atlasAsset = ScriptableObject.CreateInstance <FxAtlas>();
AssetDatabase.CreateAsset(atlasAsset, atlasAssetPath);
AssetDatabase.ImportAsset(atlasAssetPath, ImportAssetOptions.ForceUpdate);
atlasAsset = AssetDatabase.LoadAssetAtPath <FxAtlas>(atlasAssetPath);
}
else
{
//得到当前atlas的路径
atlasAssetPath = AssetDatabase.GetAssetPath(atlasAsset);
}
atlasTexturePath = atlasAssetPath.Replace(".asset", ".png");
atlasTexture = GeneratePackedTexture(assembler);
SavePackedTexture(atlasTexturePath, ref atlasTexture);
Undo.RecordObjects(new Object[] { assembler, atlasAsset }, "Save Atlas");
EditorUtility.SetDirty(assembler);
EditorUtility.SetDirty(atlasAsset);
atlasAsset.AtlasTexture = atlasTexture;
var sprites = new FxSprite[assembler.Sprites.Length];
for (int i = 0; i < assembler.Sprites.Length; i++)
{
sprites[i] = new FxSprite()
{
id = assembler.Sprites[i].ID,
name = assembler.Sprites[i].IdentityName,
scaleOffset = assembler.Sprites[i].GetUVRect(assembler.AtlasWidth, assembler.AtlasHeight)
};
}
atlasAsset.Sprites = sprites;
assembler.AtlasAsset = atlasAsset;
return(true);
}