private void CopyAllocatedItemsToAtlas(List <TextureTools.AtlasItem> items, string atlasChain, int atlasId, Size size) { var atlasPath = AssetCooker.GetAtlasPath(atlasChain, atlasId); var atlasPixels = new Color4[size.Width * size.Height]; foreach (var item in items.Where(i => i.Allocated)) { var atlasRect = item.AtlasRect; using (var bitmap = TextureTools.OpenAtlasItemBitmapAndRescaleIfNeeded(AssetCooker.Platform, item)) { CopyPixels(bitmap, atlasPixels, atlasRect.A.X, atlasRect.A.Y, size.Width, size.Height); } var atlasPart = new TextureAtlasElement.Params { AtlasRect = atlasRect, AtlasPath = Path.ChangeExtension(atlasPath, null) }; var srcPath = Path.ChangeExtension(item.Path, item.SourceExtension); InternalPersistence.Instance.WriteObjectToBundle(AssetCooker.OutputBundle, item.Path, atlasPart, Persistence.Format.Binary, item.SourceExtension, AssetCooker.InputBundle.GetFileLastWriteTime(srcPath), AssetAttributes.None, item.CookingRules.SHA1); // Delete non-atlased texture since now its useless var texturePath = Path.ChangeExtension(item.Path, AssetCooker.GetPlatformTextureExtension()); if (AssetCooker.OutputBundle.FileExists(texturePath)) { AssetCooker.DeleteFileFromBundle(texturePath); } UserInterface.Instance.IncreaseProgressBar(); } Console.WriteLine("+ " + atlasPath); var firstItem = items.First(i => i.Allocated); using (var atlas = new Bitmap(atlasPixels, size.Width, size.Height)) { AssetCooker.ImportTexture(atlasPath, atlas, firstItem.CookingRules, AssetCooker.InputBundle.GetFileLastWriteTime(atlasPath), CookingRulesSHA1: null); } }
private void BuildAtlasChain(string atlasChain) { for (var i = 0; i < AssetCooker.MaxAtlasChainLength; i++) { var atlasPath = AssetCooker.GetAtlasPath(atlasChain, i); if (AssetCooker.OutputBundle.FileExists(atlasPath)) { AssetCooker.DeleteFileFromBundle(atlasPath); } else { break; } } var pluginItems = new Dictionary <string, List <TextureTools.AtlasItem> >(); var items = new Dictionary <AtlasOptimization, List <TextureTools.AtlasItem> >(); items[AtlasOptimization.Memory] = new List <TextureTools.AtlasItem>(); items[AtlasOptimization.DrawCalls] = new List <TextureTools.AtlasItem>(); foreach (var fileInfo in AssetBundle.Current.EnumerateFileInfos(null, textureExtension)) { var cookingRules = AssetCooker.CookingRulesMap[fileInfo.Path]; if (cookingRules.TextureAtlas == atlasChain) { var item = new TextureTools.AtlasItem { Path = Path.ChangeExtension(fileInfo.Path, atlasPartExtension), CookingRules = cookingRules, SourceExtension = Path.GetExtension(fileInfo.Path) }; var bitmapInfo = TextureTools.BitmapInfo.FromFile(AssetCooker.InputBundle, fileInfo.Path); if (bitmapInfo == null) { using (var bitmap = TextureTools.OpenAtlasItemBitmapAndRescaleIfNeeded(AssetCooker.Platform, item)) { item.BitmapInfo = TextureTools.BitmapInfo.FromBitmap(bitmap); } } else { var srcTexturePath = AssetPath.Combine(The.Workspace.AssetsDirectory, Path.ChangeExtension(item.Path, item.SourceExtension)); if (TextureTools.ShouldDownscale(AssetCooker.Platform, bitmapInfo, item.CookingRules)) { TextureTools.DownscaleTextureInfo(AssetCooker.Platform, bitmapInfo, srcTexturePath, item.CookingRules); } // Ensure that no image exceeded maxAtlasSize limit TextureTools.DownscaleTextureToFitAtlas(bitmapInfo, srcTexturePath); item.BitmapInfo = bitmapInfo; } var k = cookingRules.AtlasPacker; if (!string.IsNullOrEmpty(k) && k != "Default") { List <TextureTools.AtlasItem> l; if (!pluginItems.TryGetValue(k, out l)) { pluginItems.Add(k, l = new List <TextureTools.AtlasItem>()); } l.Add(item); } else { items[cookingRules.AtlasOptimization].Add(item); } } } var initialAtlasId = 0; foreach (var kv in items) { if (kv.Value.Any()) { if (AssetCooker.Platform == TargetPlatform.iOS) { Predicate <PVRFormat> isRequireSquare = (format) => { return (format == PVRFormat.PVRTC2 || format == PVRFormat.PVRTC4 || format == PVRFormat.PVRTC4_Forced); }; var square = kv.Value.Where(item => isRequireSquare(item.CookingRules.PVRFormat)).ToList(); var nonSquare = kv.Value.Where(item => !isRequireSquare(item.CookingRules.PVRFormat)).ToList(); initialAtlasId = PackItemsToAtlas(atlasChain, square, kv.Key, initialAtlasId, true); initialAtlasId = PackItemsToAtlas(atlasChain, nonSquare, kv.Key, initialAtlasId, false); } else { initialAtlasId = PackItemsToAtlas(atlasChain, kv.Value, kv.Key, initialAtlasId, false); } } } var packers = PluginLoader.CurrentPlugin.AtlasPackers.ToDictionary(i => i.Metadata.Id, i => i.Value); foreach (var kv in pluginItems) { if (!packers.ContainsKey(kv.Key)) { throw new InvalidOperationException($"Packer {kv.Key} not found"); } initialAtlasId = packers[kv.Key](atlasChain, kv.Value, initialAtlasId); } }