public static void GenSpriteAtlas()
{
var addressGroupConfig = AssetDatabase.LoadAssetAtPath <BundleGroups>(BundleGroupConfigPath);
if (addressGroupConfig)
{
var atlasItems = addressGroupConfig.SpriteAtlasItems;
EditorUtility.DisplayProgressBar("图集", "生成图集中", 0);
List <string> spriteAtlasKeys = new List <string>();
foreach (var item in atlasItems)
{
var assets = item.GetAllAssets();
foreach (var path in assets)
{
var atlasFileName = path + ".spriteatlas";
if (Directory.GetDirectories(path).Length == 0)
{
if (!File.Exists(atlasFileName))
{
var obj = AssetDatabase.LoadMainAssetAtPath(path);
if (obj)
{
SpriteAtlas spriteAtlas = new SpriteAtlas();
spriteAtlas.Add(new UnityEngine.Object[] { obj });
AssetDatabase.CreateAsset(spriteAtlas, atlasFileName);
}
}
}
var atlas = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(atlasFileName);
if (atlas)
{
if (!spriteAtlasKeys.Contains(atlasFileName))
{
spriteAtlasKeys.Add(atlasFileName);
}
else
{
Debug.LogError("重复的图集名称，解决办法：文件夹名字不重复，即使在不同的文件夹！");
}
atlas.SetIncludeInBuild(false);
SpriteAtlasPackingSettings settings = SpriteAtlasExtensions.GetPackingSettings(atlas);
settings.enableTightPacking = false;
settings.enableRotation = false;
settings.padding = 2;
SpriteAtlasExtensions.SetPackingSettings(atlas, settings);
}
}
}
EditorUtility.DisplayProgressBar("图集", "Packing sprite atlas", 0.7f);
SpriteAtlasUtility.PackAllAtlases(EditorUserBuildSettings.activeBuildTarget);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
EditorUtility.ClearProgressBar();
}
}
/// <summary>
/// 设置图集
/// </summary>
/// <param name="directoryName"></param>
/// <param name="relativePath"></param>
private static void SetSpriteAtlas(string relativePath)
{
string spriteAtlasPath = relativePath + ".spriteatlas";
SpriteAtlas spriteAtlas = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(spriteAtlasPath);
if (spriteAtlas == null)
{
spriteAtlas = new SpriteAtlas();
AssetDatabase.CreateAsset(spriteAtlas, spriteAtlasPath);
SpriteAtlasPackingSettings spriteAtlasPackingSettings = SpriteAtlasExtensions.GetPackingSettings(spriteAtlas);
spriteAtlasPackingSettings.enableTightPacking = false;
spriteAtlasPackingSettings.padding = 2;
SpriteAtlasTextureSettings spriteAtlasTextureSettings = SpriteAtlasExtensions.GetTextureSettings(spriteAtlas);
spriteAtlasTextureSettings.sRGB = true;
var obj = AssetDatabase.LoadMainAssetAtPath(relativePath);
UnityEngine.Object[] objects = new UnityEngine.Object[] { obj };
SpriteAtlasExtensions.Add(spriteAtlas, objects);
}
}
static void HandleSpriteAtlasFormat(HashSet <string> atlasFiles)
{
string[] atlasFileArray = new string[ATLAS_TYPE_NUMBER];
SpriteAtlas[] spriteAtlasArray = new SpriteAtlas[ATLAS_TYPE_NUMBER];
SpriteAtlasPackingSettings[] packingSettingsArray = new SpriteAtlasPackingSettings[ATLAS_TYPE_NUMBER];
SpriteAtlasTextureSettings[] textureSettingsArray = new SpriteAtlasTextureSettings[ATLAS_TYPE_NUMBER];
Dictionary <string, TextureImporterPlatformSettings>[] platformSettingsDictArray = new Dictionary <string, TextureImporterPlatformSettings> [ATLAS_TYPE_NUMBER];
platformSettingsDictArray[0] = new Dictionary <string, TextureImporterPlatformSettings>();
platformSettingsDictArray[1] = new Dictionary <string, TextureImporterPlatformSettings>();
foreach (string file in atlasFiles)
{
if (file.EndsWith(LOW_ATLAS_SUFFIX))
{
continue;
}
atlasFileArray[0] = file;
atlasFileArray[1] = file.Replace(EditorResourcePaths.ATLAS_SUFFIX, LOW_ATLAS_SUFFIX);
for (int i = 0; i < ATLAS_TYPE_NUMBER; i++)
{
spriteAtlasArray[i] = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(atlasFileArray[i]);
packingSettingsArray[i] = SpriteAtlasExtensions.GetPackingSettings(spriteAtlasArray[i]);
textureSettingsArray[i] = SpriteAtlasExtensions.GetTextureSettings(spriteAtlasArray[i]);
foreach (string platform in PLATFORMS)
{
platformSettingsDictArray[i][platform] = SpriteAtlasExtensions.GetPlatformSettings(spriteAtlasArray[i], platform);
}
}
HashSet <string> spriteSet = EditorResourcePaths.GetDependencies(atlasFileArray, EditorResourcePaths.PNG_REGEX);
bool containAlpha = false;
foreach (string spriteFile in spriteSet)
{
Texture2D texture = EditorCommonUtils.ReadTexture(spriteFile);
if (ContainAlpha(texture))
{
containAlpha = true;
break;
}
}
for (int i = 0; i < ATLAS_TYPE_NUMBER; i++)
{
packingSettingsArray[i].enableRotation = false;
packingSettingsArray[i].enableTightPacking = false;
SetDefaultTextureSettings(ref textureSettingsArray[i]);
}
if (containAlpha)
{
SetPlatformTextureSettings(platformSettingsDictArray[0]["Default"], "Default", TextureImporterFormat.RGBA32);
SetPlatformTextureSettings(platformSettingsDictArray[0]["Standalone"], "Standalone", TextureImporterFormat.DXT5);
SetPlatformTextureSettings(platformSettingsDictArray[0]["Android"], "Android", TextureImporterFormat.ETC2_RGBA8);
SetPlatformTextureSettings(platformSettingsDictArray[0]["iPhone"], "iPhone", IOS_NEW_RGBA);
SetPlatformTextureSettings(platformSettingsDictArray[1]["Default"], "Default", TextureImporterFormat.RGBA32);
SetPlatformTextureSettings(platformSettingsDictArray[1]["Standalone"], "Standalone", TextureImporterFormat.DXT5Crunched);
SetPlatformTextureSettings(platformSettingsDictArray[1]["Android"], "Android", TextureImporterFormat.ETC2_RGBA8Crunched);
SetPlatformTextureSettings(platformSettingsDictArray[1]["iPhone"], "iPhone", TextureImporterFormat.PVRTC_RGBA4);
}
else
{
SetPlatformTextureSettings(platformSettingsDictArray[0]["Default"], "Default", TextureImporterFormat.RGB24);
SetPlatformTextureSettings(platformSettingsDictArray[0]["Standalone"], "Standalone", TextureImporterFormat.DXT1);
SetPlatformTextureSettings(platformSettingsDictArray[0]["Android"], "Android", TextureImporterFormat.ETC2_RGB4);
SetPlatformTextureSettings(platformSettingsDictArray[0]["iPhone"], "iPhone", TextureImporterFormat.PVRTC_RGB4);
SetPlatformTextureSettings(platformSettingsDictArray[1]["Default"], "Default", TextureImporterFormat.RGB24);
SetPlatformTextureSettings(platformSettingsDictArray[1]["Standalone"], "Standalone", TextureImporterFormat.DXT1Crunched);
SetPlatformTextureSettings(platformSettingsDictArray[1]["Android"], "Android", TextureImporterFormat.ETC_RGB4Crunched);
SetPlatformTextureSettings(platformSettingsDictArray[1]["iPhone"], "iPhone", TextureImporterFormat.PVRTC_RGB4);
}
for (int i = 0; i < ATLAS_TYPE_NUMBER; i++)
{
SpriteAtlasExtensions.SetIncludeInBuild(spriteAtlasArray[i], false);
SpriteAtlasExtensions.SetPackingSettings(spriteAtlasArray[i], packingSettingsArray[i]);
SpriteAtlasExtensions.SetTextureSettings(spriteAtlasArray[i], textureSettingsArray[i]);
foreach (string platform in PLATFORMS)
{
SpriteAtlasExtensions.SetPlatformSettings(spriteAtlasArray[i], platformSettingsDictArray[i][platform]);
}
}
SpriteAtlasExtensions.SetIsVariant(spriteAtlasArray[1], false);
SpriteAtlasExtensions.Remove(spriteAtlasArray[1], SpriteAtlasExtensions.GetPackables(spriteAtlasArray[1]));
SpriteAtlasExtensions.Add(spriteAtlasArray[1], SpriteAtlasExtensions.GetPackables(spriteAtlasArray[0]));
}
AssetDatabase.Refresh();
}
