public override void OnPostprocessAllAssets(IAkyuiLoader loader, Object[] importAssets)
{
var spriteAtlasPath = spriteAtlasOutputPath.Replace("{name}", loader.LayoutInfo.Name) + ".spriteatlas";
var spriteAtlas = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(spriteAtlasPath);
if (spriteAtlas == null)
{
Debug.Log($"Create SpriteAtlas: {spriteAtlasPath}");
AkyuiEditorUtil.CreateDirectory(Path.GetDirectoryName(spriteAtlasPath));
spriteAtlas = new SpriteAtlas();
AssetDatabase.CreateAsset(spriteAtlas, spriteAtlasPath);
}
if (source != null)
{
EditorUtility.CopySerialized(source, spriteAtlas);
}
spriteAtlas.name = loader.LayoutInfo.Name;
spriteAtlas.Remove(spriteAtlas.GetPackables());
spriteAtlas.Add(importAssets);
SpriteAtlasUtility.PackAtlases(new[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget);
}
string CreateSpriteAtlasWithSprite()
{
// create a Sprite atlas, + sprite
var spriteAtlasPath = GetAssetPath("testAtlas.spriteatlas");
SpriteAtlas spriteAtlas = new SpriteAtlas();
AssetDatabase.CreateAsset(spriteAtlas, spriteAtlasPath);
Texture2D texture = Texture2D.whiteTexture;
byte[] data = texture.EncodeToPNG();
var texturePath = GetAssetPath("testTexture.png");
File.WriteAllBytes(texturePath, data);
AssetDatabase.ImportAsset(texturePath, ImportAssetOptions.ForceSynchronousImport | ImportAssetOptions.ForceUpdate);
TextureImporter importer = TextureImporter.GetAtPath(texturePath) as TextureImporter;
importer.textureType = TextureImporterType.Sprite;
importer.spriteImportMode = SpriteImportMode.Single;
importer.SaveAndReimport();
SpriteAtlasExtensions.Add(spriteAtlas, new[] { AssetDatabase.LoadAssetAtPath <Texture>(texturePath) });
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget, false);
return(spriteAtlasPath);
}
public override void OnPostprocessAllAssets(IAkyuiLoader loader, Object[] importAssets)
{
var spriteAtlasPath = spriteAtlasOutputPath.Replace("{name}", loader.LayoutInfo.Name) + ".spriteatlas";
var spriteAtlas = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(spriteAtlasPath);
if (spriteAtlas == null)
{
Debug.Log($"Create SpriteAtlas: {spriteAtlasPath}");
AkyuiEditorUtil.CreateDirectory(Path.GetDirectoryName(spriteAtlasPath));
spriteAtlas = new SpriteAtlas();
AssetDatabase.CreateAsset(spriteAtlas, spriteAtlasPath);
}
if (spriteAtlasPreset != null)
{
spriteAtlasPreset.ApplyTo(spriteAtlas);
}
spriteAtlas.name = loader.LayoutInfo.Name;
spriteAtlas.Remove(spriteAtlas.GetPackables());
spriteAtlas.Add(importAssets);
SpriteAtlasUtility.PackAtlases(new[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget);
// なにかのバグだと思うんだけど、ここでSaveしないとPresetが反映されないことがある Unity 2020.3.18
EditorUtility.SetDirty(spriteAtlas);
AssetDatabase.SaveAssets();
}
protected override void OnInit()
{
var mainSO = ScriptableObject.CreateInstance <TestObject>();
var subSO = ScriptableObject.CreateInstance <TestSubObject>();
subSO.name = "sub";
m_ScriptableObjectPath = Path.Combine(k_TestConfigFolder, "testScriptableObject.asset");
AssetDatabase.CreateAsset(mainSO, m_ScriptableObjectPath);
AssetDatabase.AddObjectToAsset(subSO, m_ScriptableObjectPath);
AssetDatabase.ImportAsset(m_ScriptableObjectPath, ImportAssetOptions.ForceSynchronousImport | ImportAssetOptions.ForceUpdate);
// create a Sprite atlas, + sprite
m_SpriteAtlasPath = Path.Combine(k_TestConfigFolder, "testAtlas.spriteatlas");
SpriteAtlas spriteAtlas = new SpriteAtlas();
AssetDatabase.CreateAsset(spriteAtlas, m_SpriteAtlasPath);
Texture2D texture = Texture2D.whiteTexture;
byte[] data = texture.EncodeToPNG();
m_TexturePath = Path.Combine(k_TestConfigFolder, "testTexture.png");
File.WriteAllBytes(m_TexturePath, data);
AssetDatabase.ImportAsset(m_TexturePath, ImportAssetOptions.ForceSynchronousImport | ImportAssetOptions.ForceUpdate);
TextureImporter importer = TextureImporter.GetAtPath(m_TexturePath) as TextureImporter;
importer.textureType = TextureImporterType.Sprite;
importer.spriteImportMode = SpriteImportMode.Single;
importer.SaveAndReimport();
SpriteAtlasExtensions.Add(spriteAtlas, new [] { AssetDatabase.LoadAssetAtPath <Texture>(m_TexturePath) });
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget, false);
}
static void CreateFolderEntryAssets(string RootFolder, AddressableAssetSettings settings, AddressableAssetGroup group)
{
AssetDatabase.CreateFolder(RootFolder, "folderEntry");
string folderPath = RootFolder + "/folderEntry";
{
var texture = new Texture2D(32, 32);
var data = ImageConversion.EncodeToPNG(texture);
UnityEngine.Object.DestroyImmediate(texture);
AssetDatabase.GenerateUniqueAssetPath(RootFolder);
var spritePath = folderPath + "/spritesheet.png";
File.WriteAllBytes(spritePath, data);
AssetDatabase.ImportAsset(spritePath, ImportAssetOptions.ForceSynchronousImport | ImportAssetOptions.ForceUpdate);
var spriteGuid = AssetDatabase.AssetPathToGUID(spritePath);
var importer = (TextureImporter)AssetImporter.GetAtPath(spritePath);
importer.textureType = TextureImporterType.Sprite;
importer.spriteImportMode = SpriteImportMode.Multiple;
importer.spritesheet = new SpriteMetaData[] { new SpriteMetaData()
{
name = "topleft", pivot = Vector2.zero, rect = new Rect(0, 0, 16, 16)
},
new SpriteMetaData()
{
name = "botright", pivot = Vector2.zero, rect = new Rect(16, 16, 16, 16)
} };
importer.SaveAndReimport();
}
{
var texture = new Texture2D(32, 32);
var data = ImageConversion.EncodeToPNG(texture);
UnityEngine.Object.DestroyImmediate(texture);
var spritePath = folderPath + "/sprite.png";
File.WriteAllBytes(spritePath, data);
AssetDatabase.ImportAsset(spritePath, ImportAssetOptions.ForceSynchronousImport | ImportAssetOptions.ForceUpdate);
var spriteGuid = AssetDatabase.AssetPathToGUID(spritePath);
var importer = (TextureImporter)AssetImporter.GetAtPath(spritePath);
importer.textureType = TextureImporterType.Sprite;
importer.SaveAndReimport();
string atlasPath = folderPath + "/atlas.spriteatlas";
var sa = new SpriteAtlas();
AssetDatabase.CreateAsset(sa, atlasPath);
sa.Add(new UnityEngine.Object[]
{
AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(AssetDatabase.GUIDToAssetPath(spriteGuid))
});
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { sa }, EditorUserBuildSettings.activeBuildTarget, false);
}
var folderEntry = settings.CreateOrMoveEntry(AssetDatabase.AssetPathToGUID(folderPath), group, false, false);
folderEntry.address = "folderEntry";
}
public SpriteAtlas SetUpSpriteAtlas(int numAtlasObjects, out List <Object> subAssets)
{
// Setup Sprite data
var texture = new Texture2D(32, 32);
var data = ImageConversion.EncodeToPNG(texture);
UnityEngine.Object.DestroyImmediate(texture);
// Setup Sprites
subAssets = new List <Object>();
Directory.CreateDirectory(ConfigFolder + "/test");
var atlasPath = ConfigFolder + "/test" + "/testAtlas.spriteatlas";
var newAtlas = new SpriteAtlas();
var sprites = new Object[numAtlasObjects];
for (int i = 0; i < numAtlasObjects; i++)
{
// Create Sprite asset
AssetDatabase.GenerateUniqueAssetPath(ConfigFolder);
var newSpritePath = ConfigFolder + "/test" + "/testSprite" + i + ".png";
File.WriteAllBytes(newSpritePath, data);
AssetDatabase.ImportAsset(newSpritePath, ImportAssetOptions.ForceSynchronousImport | ImportAssetOptions.ForceUpdate);
var importer = (TextureImporter)AssetImporter.GetAtPath(newSpritePath);
importer.textureType = TextureImporterType.Sprite;
importer.spriteImportMode = SpriteImportMode.Multiple;
importer.spritesheet = new SpriteMetaData[] { new SpriteMetaData()
{
name = "topleft", pivot = Vector2.zero, rect = new Rect(0, 0, 16, 16)
},
new SpriteMetaData()
{
name = "testSprite" + i, pivot = Vector2.zero, rect = new Rect(16, 16, 16, 16)
} };
importer.SaveAndReimport();
// Add sprite to subassets
Object spr = AssetDatabase.LoadAssetAtPath(newSpritePath, typeof(Sprite));
spr.name = "testSprite" + i;
sprites[i] = spr;
subAssets.Add(spr);
}
// Setup Atlas
newAtlas.Add(sprites);
AssetDatabase.CreateAsset(newAtlas, atlasPath);
AssetDatabase.Refresh();
SpriteAtlasExtensions.Add(newAtlas, sprites);
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { newAtlas }, EditorUserBuildSettings.activeBuildTarget, false);
var atlasGuid = AssetDatabase.AssetPathToGUID(atlasPath);
Settings.CreateOrMoveEntry(atlasGuid, Settings.groups[0]);
return(newAtlas);
}
protected string CreateSpriteAtlas(string atlasPath, string[] spriteTextureGuids)
{
var sa = new SpriteAtlas();
AssetDatabase.CreateAsset(sa, atlasPath);
Object[] targetObjects = spriteTextureGuids.Select(g => AssetDatabase.LoadAssetAtPath <Object>(AssetDatabase.GUIDToAssetPath(g))).ToArray();
sa.Add(targetObjects);
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { sa }, EditorUserBuildSettings.activeBuildTarget, false);
AssetDatabase.Refresh();
return(AssetDatabase.AssetPathToGUID(atlasPath));
}
public static string[] Export(SpriteAtlas atlas, string dirPath)
{
string platformName = "Standalone";
if (EditorUserBuildSettings.activeBuildTarget == BuildTarget.Android)
{
platformName = "Android";
}
else if (EditorUserBuildSettings.activeBuildTarget == BuildTarget.iOS)
{
platformName = "iPhone";
}
TextureImporterPlatformSettings tips = atlas.GetPlatformSettings(platformName);
TextureImporterPlatformSettings cachedTips = new TextureImporterPlatformSettings();
tips.CopyTo(cachedTips);
tips.overridden = true;
tips.format = TextureImporterFormat.RGBA32;
//tips.maxTextureSize = 1024;
atlas.SetPlatformSettings(tips);
List <string> texturePathList = new List <string>();
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { atlas }, EditorUserBuildSettings.activeBuildTarget);
MethodInfo getPreviewTextureMI = typeof(SpriteAtlasExtensions).GetMethod("GetPreviewTextures", BindingFlags.Static | BindingFlags.NonPublic);
Texture2D[] atlasTextures = (Texture2D[])getPreviewTextureMI.Invoke(null, new SystemObject[] { atlas });
if (atlasTextures != null && atlasTextures.Length > 0)
{
for (int i = 0; i < atlasTextures.Length; i++)
{
Texture2D packTexture = atlasTextures[i];
byte[] rawBytes = packTexture.GetRawTextureData();
Texture2D nTexture = new Texture2D(packTexture.width, packTexture.height, packTexture.format, false, false);
nTexture.LoadRawTextureData(rawBytes);
nTexture.Apply();
string textPath = string.Format("{0}/{1}_{2}.png", dirPath, atlas.name, i);
File.WriteAllBytes(textPath, nTexture.EncodeToPNG());
texturePathList.Add(textPath);
}
}
atlas.SetPlatformSettings(cachedTips);
return(texturePathList.ToArray());
}
void CreateSpriteAtlas(string path, string[] spriteAssetPaths)
{
var sa = new SpriteAtlas();
AssetDatabase.CreateAsset(sa, path);
foreach (string spritePath in spriteAssetPaths)
{
sa.Add(new UnityEngine.Object[]
{
AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(spritePath)
});
}
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { sa }, EditorUserBuildSettings.activeBuildTarget, false);
}
private void TryCloneSpriteAtlas()
{
SpriteAtlas atlas = _importer.Atlas;
if (!atlas)
{
return;
}
//clone the sprite atlas asset
SpriteAtlas newAtlas = CloneArtifact(atlas, "/Sprites");
//clear, then re-fill the atlas with used sprites
newAtlas.Remove(newAtlas.GetPackables());
//add art tiles
Object[] objects = _artTileSprites.OrderBy(p => p.name).Cast <Object>().ToArray();
newAtlas.Add(objects);
//pack
SpriteAtlasUtility.PackAtlases(new [] { newAtlas }, EditorUserBuildSettings.activeBuildTarget);
}
static void CreateSpriteAtlas()
{
Object[] objs = Selection.objects;
string selePath = AssetDatabase.GetAssetPath(objs[0]);
string spriteAtlasName = Directory.GetParent(AssetDatabase.GetAssetPath(objs[0])).Name; //图集名字
if ((AssetDatabase.LoadAssetAtPath(selePath, typeof(Sprite))) == null)
{
Debug.LogError("请选择需要打包的Sprite图片");
return; //返回
}
int index = selePath.LastIndexOf("/");
selePath = selePath.Remove(index, selePath.Length - index);
SpriteAtlas spriteAtlas = new SpriteAtlas();
SpriteAtlasExtensions.Add(spriteAtlas, objs);
AssetDatabase.CreateAsset(spriteAtlas, selePath + "/" + spriteAtlasName + ".spriteatlas");
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget);
Debug.Log(ColorToolRich.ColorYellow("图集打包成功"));
}
public static void SetAtlasMaxSize()
{
MethodInfo getPreviewTexturesMI = typeof(SpriteAtlasExtensions).GetMethod("GetPreviewTextures", BindingFlags.Static | BindingFlags.NonPublic);
foreach (string atlasFile in EditorResourcePaths.GetAllAtlasFiles())
{
if (atlasFile.EndsWith(LOW_ATLAS_SUFFIX))
{
continue;
}
SpriteAtlas spriteAtlas = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(atlasFile);
List <Sprite> sprites = GetSpritesByAtlas(spriteAtlas);
// 统计散图面积之和
int total = 0;
int minSize = 128;
foreach (Sprite sprite in sprites)
{
Rect rect = sprite.textureRect;
int width = Mathf.CeilToInt(rect.width);
int height = Mathf.CeilToInt(rect.height);
minSize = Mathf.Max(minSize, width, height);
total += width * height;
}
// 估算maxTextureSize值
float guessArea = EditorCommonUtils.ToLargerPOT(total, 4);
int guessSize = Mathf.RoundToInt(Mathf.Sqrt(guessArea));
// 如果填充率太低，将估值尺寸减半
if (total <= guessArea * 0.625f)
{
guessSize /= 2;
}
// 用估值尺寸尝试打图集
guessSize = Mathf.Max(guessSize, Mathf.RoundToInt(EditorCommonUtils.ToLargerPOT(minSize, 2)));
foreach (string platform in PLATFORMS)
{
TextureImporterPlatformSettings patformSettings = SpriteAtlasExtensions.GetPlatformSettings(spriteAtlas, platform);
if (patformSettings.maxTextureSize != guessSize)
{
patformSettings.maxTextureSize = guessSize;
SpriteAtlasExtensions.SetPlatformSettings(spriteAtlas, patformSettings);
}
}
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget);
// 计算图集的实际面积
Texture2D[] atlasTextures = (Texture2D[])getPreviewTexturesMI.Invoke(null, new object[] { spriteAtlas });
int area = 0;
for (int i = 0; i < atlasTextures.Length; i++)
{
area += atlasTextures[i].width * atlasTextures[i].height;
}
// 如果估值尺寸效果一般，将其翻倍
if (area > guessSize * guessSize * 2.5f)
{
foreach (string platform in PLATFORMS)
{
TextureImporterPlatformSettings patformSettings = SpriteAtlasExtensions.GetPlatformSettings(spriteAtlas, platform);
patformSettings.maxTextureSize = Mathf.Min(guessSize * 2, MAX_TEXTURE_SIZE);
SpriteAtlasExtensions.SetPlatformSettings(spriteAtlas, patformSettings);
}
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget);
}
else if (area > guessSize * guessSize * 1.5f && area <= guessSize * guessSize * 2)
{
TextureImporterPlatformSettings patformSettings = SpriteAtlasExtensions.GetPlatformSettings(spriteAtlas, "Android");
patformSettings.maxTextureSize = Mathf.Min(guessSize * 2, MAX_TEXTURE_SIZE);
SpriteAtlasExtensions.SetPlatformSettings(spriteAtlas, patformSettings);
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget);
}
SpriteAtlas lowSpriteAtlas = AssetDatabase.LoadAssetAtPath <SpriteAtlas>(atlasFile.Replace(EditorResourcePaths.ATLAS_SUFFIX, LOW_ATLAS_SUFFIX));
foreach (string platform in PLATFORMS)
{
TextureImporterPlatformSettings patformSettings = SpriteAtlasExtensions.GetPlatformSettings(spriteAtlas, platform);
TextureImporterPlatformSettings lowPatformSettings = SpriteAtlasExtensions.GetPlatformSettings(lowSpriteAtlas, platform);
lowPatformSettings.maxTextureSize = patformSettings.maxTextureSize;
SpriteAtlasExtensions.SetPlatformSettings(lowSpriteAtlas, lowPatformSettings);
}
}
DebugUtil.Log("SetAtlasMaxSize Done!");
}
public static void CreateSpriteAtlas(string src_path, string dst_path, string atlas_name, bool includeInBuild = true)
{
if (string.IsNullOrEmpty(src_path) || string.IsNullOrEmpty(dst_path) || string.IsNullOrEmpty(atlas_name))
{
Log.LogError($"无法创建图集,路径为空. src_path={src_path} ,dst_path={dst_path} ,atlas_name={atlas_name}");
return;
}
if (!src_path.EndsWith("/"))
{
src_path = src_path + "/";
}
var full_path = Path.GetFullPath(src_path);
if (!Directory.Exists(full_path))
{
Log.Info($"不创建图集,{src_path}下无atlas文件夹");
return;
}
var assets = Directory.GetFiles(full_path, "*.png"); //这里无法过滤两种类型 *.png|*.jpg
if (assets == null || assets.Length == 0)
{
Log.Info($"{src_path}下无图片，不生成图集");
return;
}
SpriteAtlas spriteAtlas = new SpriteAtlas();
if (!dst_path.EndsWith("/"))
{
dst_path = dst_path + "/";
}
if (!Directory.Exists(dst_path))
{
Directory.CreateDirectory(dst_path);
}
AssetDatabase.CreateAsset(spriteAtlas, dst_path + atlas_name + ".spriteatlas");
foreach (var path in assets)
{
var t = src_path + Path.GetFileName(path);
var o = AssetDatabase.LoadAssetAtPath <Sprite>(t);
if (o != null)
{
SpriteAtlasExtensions.Add(spriteAtlas, new Object[] { o });
}
}
//TODO 根据平台设置图集格式 //EditorUserBuildSettings.activeBuildTarget
var atlasSetting = spriteAtlas.GetPlatformSettings(KResourceModule.GetBuildPlatformName());
atlasSetting.maxTextureSize = 2048;
atlasSetting.textureCompression = TextureImporterCompression.Compressed;
atlasSetting.format = TextureImporterFormat.Automatic;
spriteAtlas.SetIncludeInBuild(includeInBuild);
spriteAtlas.SetPlatformSettings(atlasSetting);
SpriteAtlasUtility.PackAtlases(new SpriteAtlas[] { spriteAtlas }, EditorUserBuildSettings.activeBuildTarget, false);
AssetDatabase.SaveAssets();
Log.Info($"创建图集{spriteAtlas.name}完成，包含{spriteAtlas.spriteCount}个图片");
}
