static void GenerateAtlas()
{
_atlas = new Texture2D(ATLAS_MAX_SIZE, ATLAS_MAX_SIZE);
Rect[] rects = _atlas.PackTextures(GetPackTextures(), 0, ATLAS_MAX_SIZE, false); //pack!
string atlasPath = KAssetManager.GetAtlasPath(_atlasName);
string alphaAtlasPath = KAssetManager.GetAlphaAtlasPath(_atlasName);
string folderPath = mg.org.FileUtility.GetFolderFromFullPath(atlasPath);
mg.org.FileUtility.EnsureDirectory(folderPath); //创建文件夹
_atlas = AtlasOptimizer.Optimize(_atlas, rects, true); //优化图集
AtlasWriter.Write(_atlas, atlasPath); //保存图集
LogAtlasSize(_atlas, _atlasName);
// 暂时不采用分开的纹理格式， 删除ALPHA贴图
AssetDatabase.DeleteAsset(alphaAtlasPath);
bool isTurecolor = AtlasQualitySetting.Contains(_atlasName);
//if(isTurecolor)
//{
// AssetDatabase.DeleteAsset(alphaAtlasPath);
//}
//else
//{
// //EtcGeneratorWrapper.Execute(atlasPath, _isHighQuality);
// ImageChannelSpliterWrapper.Execute(atlasPath, _isHighQuality);
// AssetDatabase.ImportAsset(alphaAtlasPath, ImportAssetOptions.ForceUpdate);
// TextureImporterUtil.CreateEtcAlphaChannelImporter(alphaAtlasPath);
// AssetDatabase.ImportAsset(alphaAtlasPath, ImportAssetOptions.ForceUpdate);
//}
try
{
AssetDatabase.ImportAsset(atlasPath, ImportAssetOptions.ForceUpdate);
}
catch (System.Exception e)
{
Debug.Log("ImportAssetError:" + atlasPath);
}
isTurecolor = false; //都用压缩格式
TextureImporterFormat format = isTurecolor ? TextureImporterFormat.ARGB32 : TextureImporterFormat.AutomaticCompressed;
TextureImporterUtil.CreateMultipleSpriteImporter(atlasPath, rects, GetPackTextureNames(), GetSpriteBorders(), _atlas.width, _atlas.height, format, ATLAS_MAX_SIZE);
AssetDatabase.ImportAsset(atlasPath, ImportAssetOptions.ForceUpdate);
//记录所有图片的边距数据
AtlasSpritePaddingHelper.WriteSpritePaddingRecord(_uniqueTextureDataList, KAssetManager.GetAtlasSpritePaddingRecordPath(_atlasName));
//暂时不采用分开的纹理格式
//采用替换内置材质的方式
//EtcMaterialCreator.CreateWithoutAlpha(EtcMaterialCreator.PSD4UGUI_ONE_TEX_SHADER, atlasPath);
}
//保存readme
static void WriteBatchedReadme(string atlasName, string jsonName)
{
string path = KAssetManager.AtlasFolder + "/" + jsonName + "/readme.txt";
if (atlasName == jsonName)
{
AssetDatabase.DeleteAsset(path);
return;
}
AssetDatabase.DeleteAsset(KAssetManager.GetAtlasPath(jsonName));
AssetDatabase.DeleteAsset(KAssetManager.GetAlphaAtlasPath(jsonName));
AssetDatabase.DeleteAsset(KAssetManager.GetEtcMaterialPath(jsonName));
//合并到别的图集,删除原来的文件夹
KAssetManager.DeleteAtlasFolder(jsonName);
//不导出readme了
//string content = string.Format(BATCHED_TEMPLATE, jsonName, atlasName);
//File.WriteAllText(Application.dataPath.Replace("Assets", "") + path, content, System.Text.Encoding.Unicode);
//AssetDatabase.ImportAsset(path);
}