├── .gitignore
├── Assets
    ├── Sample.meta
    ├── Sample
    │   ├── Editor.meta
    │   ├── Editor
    │   │   ├── AssetBundleSampleDataWindow.cs
    │   │   └── AssetBundleSampleDataWindow.cs.meta
    │   ├── origin.png
    │   └── origin.png.meta
    ├── SeparatedAssetBundleBuild.meta
    └── SeparatedAssetBundleBuild
    │   ├── Editor.meta
    │   └── Editor
    │       ├── AllAssetBundleInformation.cs
    │       ├── AllAssetBundleInformation.cs.meta
    │       ├── AssetBundleBuildsManifest.cs
    │       ├── AssetBundleBuildsManifest.cs.meta
    │       ├── AssetBundleInfoWithDepends.cs
    │       ├── AssetBundleInfoWithDepends.cs.meta
    │       ├── SeparatedAssetBundleBuild.cs
    │       └── SeparatedAssetBundleBuild.cs.meta
├── LICENSE
├── ProjectSettings
    ├── AudioManager.asset
    ├── ClusterInputManager.asset
    ├── DynamicsManager.asset
    ├── EditorBuildSettings.asset
    ├── EditorSettings.asset
    ├── GraphicsSettings.asset
    ├── InputManager.asset
    ├── NavMeshAreas.asset
    ├── NetworkManager.asset
    ├── Physics2DSettings.asset
    ├── ProjectSettings.asset
    ├── ProjectVersion.txt
    ├── QualitySettings.asset
    ├── TagManager.asset
    ├── TimeManager.asset
    ├── UnityAdsSettings.asset
    └── UnityConnectSettings.asset
├── README.ja.md
├── README.md
├── SeparatedAssetBundleBuild.unitypackage
└── doc
    └── img
        ├── AssetBundleBuildTime.png
        ├── SampleWindow.png
        └── WorkAroundBuildTime.png


/.gitignore:
--------------------------------------------------------------------------------
 1 | /[Ll]ibrary/
 2 | /[Tt]emp/
 3 | /[Oo]bj/
 4 | /[Bb]uild/
 5 | /[Bb]uilds/
 6 | /Assets/AssetStoreTools*
 7 | 
 8 | # Autogenerated VS/MD solution and project files
 9 | ExportedObj/
10 | *.csproj
11 | *.unityproj
12 | *.sln
13 | *.suo
14 | *.tmp
15 | *.user
16 | *.userprefs
17 | *.pidb
18 | *.booproj
19 | *.svd
20 | 
21 | 
22 | # Unity3D generated meta files
23 | *.pidb.meta
24 | 
25 | # Unity3D Generated File On Crash Reports
26 | sysinfo.txt
27 | 
28 | # Builds
29 | *.apk
30 | *.unitypackage
31 | 


--------------------------------------------------------------------------------
/Assets/Sample.meta:
--------------------------------------------------------------------------------
 1 | fileFormatVersion: 2
 2 | guid: fb91e0eb753de5944b54c03a3489b268
 3 | folderAsset: yes
 4 | timeCreated: 1487232909
 5 | licenseType: Pro
 6 | DefaultImporter:
 7 |   userData: 
 8 |   assetBundleName: 
 9 |   assetBundleVariant: 
10 | 


--------------------------------------------------------------------------------
/Assets/Sample/Editor.meta:
--------------------------------------------------------------------------------
 1 | fileFormatVersion: 2
 2 | guid: f66bd6180e2cb07478f844c93f2913a4
 3 | folderAsset: yes
 4 | timeCreated: 1487061549
 5 | licenseType: Pro
 6 | DefaultImporter:
 7 |   userData: 
 8 |   assetBundleName: 
 9 |   assetBundleVariant: 
10 | 


--------------------------------------------------------------------------------
/Assets/Sample/Editor/AssetBundleSampleDataWindow.cs:
--------------------------------------------------------------------------------
  1 | using UnityEngine;
  2 | using UnityEditor;
  3 | using System.Collections;
  4 | using System.IO;
  5 | using System.Collections.Generic;
  6 | 
  7 | namespace Sample
  8 | {
  9 |     public class AssetBundleSampleDataWindow : EditorWindow
 10 |     {
 11 |         private const string outputDir = "Test";
 12 |         private int testDataNum = 1000;
 13 |         private List<string> testVariants = new List<string>();
 14 | 
 15 |         [MenuItem("Samples/SampleWindow")]
 16 |         public static void Create()
 17 |         {
 18 |             EditorWindow.GetWindow<AssetBundleSampleDataWindow>();
 19 |         }
 20 | 
 21 |         void OnGUI()
 22 |         {
 23 |             EditorGUILayout.LabelField("Create Test Data");
 24 |             this.testDataNum = EditorGUILayout.IntField("Number of testdata",this.testDataNum);
 25 |             int newCount = Mathf.Max(0, EditorGUILayout.IntField("Number of variants", this.testVariants.Count));
 26 |             while (newCount < this.testVariants.Count)
 27 |                 this.testVariants.RemoveAt(this.testVariants.Count - 1);
 28 |             while (newCount > this.testVariants.Count)
 29 |                 this.testVariants.Add(null);
 30 |             for(int i = 0; i < this.testVariants.Count; i++)
 31 |             {
 32 |                 this.testVariants[i] = EditorGUILayout.TextField(this.testVariants[i]);
 33 |             }
 34 | 
 35 |             if (GUILayout.Button("CreateTestData"))
 36 |             {
 37 |                 if (this.testVariants.Count > 0)
 38 |                 {
 39 |                     this.CreateDatasetWithVariants(this.testDataNum, this.testVariants.ToArray());
 40 |                 }
 41 |                 else
 42 |                 {
 43 |                     this.CreateDataset(this.testDataNum);
 44 |                 }
 45 |             }
 46 | 
 47 |             EditorGUILayout.Space();
 48 |             EditorGUILayout.LabelField("BuildAssetBundles");
 49 |             if (GUILayout.Button("BuildPipeline.BuildAssetBundles"))
 50 |             {
 51 |                 BuildBundle(false);
 52 |             }
 53 |             if (GUILayout.Button(" UTJ.SeparateAssetBundleBuild.BuildAssetBundles"))
 54 |             {
 55 |                 BuildBundle(true);
 56 |             }
 57 |         }
 58 | 
 59 |         private void BuildBundle(bool isSeparate)
 60 |         {
 61 |             BuildAssetBundleOptions assetBundleBuildOption = BuildAssetBundleOptions.ChunkBasedCompression | BuildAssetBundleOptions.ForceRebuildAssetBundle;
 62 |             BuildTarget targetPlatform = EditorUserBuildSettings.activeBuildTarget;
 63 | 
 64 |             if (Directory.Exists(outputDir))
 65 |             {
 66 |                 Directory.Delete(outputDir, true);
 67 |             }
 68 |             Directory.CreateDirectory(outputDir);
 69 | 
 70 |             float beforeAssetBundle = Time.realtimeSinceStartup;
 71 | 
 72 |             if (isSeparate)
 73 |             {
 74 |                 UTJ.SeparatedAssetBundleBuild.ReservedVariants = testVariants;
 75 |                 UTJ.SeparatedAssetBundleBuild.BuildAssetBundles(outputDir, assetBundleBuildOption, targetPlatform);
 76 |             }
 77 |             else
 78 |             {
 79 |                 BuildPipeline.BuildAssetBundles(outputDir, assetBundleBuildOption, targetPlatform);
 80 |             }
 81 |             float afterAssetBundle = Time.realtimeSinceStartup;
 82 | 
 83 |             UnityEngine.Debug.Log("BuildAssetBundle " + (afterAssetBundle - beforeAssetBundle));
 84 |             string title = "UTJ.SeparatedAssetBundleBuild.BuildAssetBundles\n";
 85 |             if (isSeparate)
 86 |             {
 87 |                 title = "BuildPipeline.BuildAssetBundles \n";
 88 |             }
 89 |             EditorUtility.DisplayDialog(title , "It took " + (afterAssetBundle - beforeAssetBundle) + " sec.", "ok");
 90 |         }
 91 | 
 92 |         public void CreateDataset(int num)
 93 |         {
 94 |             string testDir = "Assets/Sample/TestBundles";
 95 | 
 96 |             if (Directory.Exists(testDir))
 97 |             {
 98 |                 Directory.Delete(testDir, true);
 99 |             }
100 |             Directory.CreateDirectory(testDir);
101 | 
102 |             CreateTestAsset(testDir, num);
103 | 
104 |             AssetDatabase.Refresh();
105 |             AssetDatabase.RemoveUnusedAssetBundleNames();
106 | 
107 |             SetAssetBundleName(testDir, num);
108 |         }
109 | 
110 |         public void CreateDatasetWithVariants(int num, string[] variants)
111 |         {
112 |             string testDir = "Assets/Sample/TestBundles";
113 | 
114 |             if (Directory.Exists(testDir))
115 |             {
116 |                 Directory.Delete(testDir, true);
117 |             }
118 |             Directory.CreateDirectory(testDir);
119 | 
120 |             for (int i = 0; i < variants.Length; i++)
121 |             {
122 |                 string targetDirectory = Path.Combine(testDir, variants[i]);
123 |                 Directory.CreateDirectory(targetDirectory);
124 |                 CreateTestAsset(targetDirectory, num);
125 |             }
126 | 
127 |             AssetDatabase.Refresh();
128 |             AssetDatabase.RemoveUnusedAssetBundleNames();
129 | 
130 |             for (int i = 0; i < variants.Length; i++)
131 |             {
132 |                 string targetDir = Path.Combine(testDir, variants[i]);
133 |                 SetAssetBundleName(targetDir, num, variants[i]);
134 |             }
135 |         }
136 | 
137 |         private void CreateTestAsset(string targerDirectory, int num)
138 |         {
139 |             for (int i = 0; i < num; ++i)
140 |             {
141 |                 string targetPath = Path.Combine(targerDirectory, i + ".png");
142 |                 System.IO.File.Copy("Assets/Sample/origin.png", targetPath);
143 |             }
144 |         }
145 | 
146 |         private void SetAssetBundleName(string targerDirectory, int num, string variant = null)
147 |         {
148 |             for (int i = 0; i < num; ++i)
149 |             {
150 |                 string targetPath = Path.Combine(targerDirectory, i + ".png");
151 |                 TextureImporter importer = TextureImporter.GetAtPath(targetPath) as TextureImporter;
152 |                 if (importer == null)
153 |                 {
154 |                     continue;
155 |                 }
156 |                 importer.assetBundleName = "test" + i;
157 |                 importer.assetBundleVariant = variant;
158 |                 importer.textureType = TextureImporterType.GUI;
159 |                 importer.mipmapEnabled = false;
160 |             }
161 |         }
162 |     }
163 | }
164 | 


--------------------------------------------------------------------------------
/Assets/Sample/Editor/AssetBundleSampleDataWindow.cs.meta:
--------------------------------------------------------------------------------
 1 | fileFormatVersion: 2
 2 | guid: bd0671a0f7a7fa440959b6699cd406b7
 3 | timeCreated: 1487061557
 4 | licenseType: Pro
 5 | MonoImporter:
 6 |   serializedVersion: 2
 7 |   defaultReferences: []
 8 |   executionOrder: 0
 9 |   icon: {instanceID: 0}
10 |   userData: 
11 |   assetBundleName: 
12 |   assetBundleVariant: 
13 | 


--------------------------------------------------------------------------------
/Assets/Sample/origin.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/unity3d-jp/SeparatedAssetBundleBuild/7b88b8cc6bf5aa0d68a325a4fe119bb987ba1b84/Assets/Sample/origin.png


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 1 | fileFormatVersion: 2
 2 | guid: b4aa2d45754d15f4a930a88dc61586b1
 3 | timeCreated: 1487062115
 4 | licenseType: Pro
 5 | TextureImporter:
 6 |   fileIDToRecycleName: {}
 7 |   serializedVersion: 4
 8 |   mipmaps:
 9 |     mipMapMode: 0
10 |     enableMipMap: 1
11 |     sRGBTexture: 1
12 |     linearTexture: 0
13 |     fadeOut: 0
14 |     borderMipMap: 0
15 |     mipMapFadeDistanceStart: 1
16 |     mipMapFadeDistanceEnd: 3
17 |   bumpmap:
18 |     convertToNormalMap: 0
19 |     externalNormalMap: 0
20 |     heightScale: 0.25
21 |     normalMapFilter: 0
22 |   isReadable: 0
23 |   grayScaleToAlpha: 0
24 |   generateCubemap: 6
25 |   cubemapConvolution: 0
26 |   seamlessCubemap: 0
27 |   textureFormat: -1
28 |   maxTextureSize: 2048
29 |   textureSettings:
30 |     filterMode: -1
31 |     aniso: -1
32 |     mipBias: -1
33 |     wrapMode: -1
34 |   nPOTScale: 1
35 |   lightmap: 0
36 |   compressionQuality: 50
37 |   spriteMode: 0
38 |   spriteExtrude: 1
39 |   spriteMeshType: 1
40 |   alignment: 0
41 |   spritePivot: {x: 0.5, y: 0.5}
42 |   spriteBorder: {x: 0, y: 0, z: 0, w: 0}
43 |   spritePixelsToUnits: 100
44 |   alphaUsage: 1
45 |   alphaIsTransparency: 0
46 |   spriteTessellationDetail: -1
47 |   textureType: 0
48 |   textureShape: 1
49 |   maxTextureSizeSet: 0
50 |   compressionQualitySet: 0
51 |   textureFormatSet: 0
52 |   platformSettings:
53 |   - buildTarget: DefaultTexturePlatform
54 |     maxTextureSize: 32
55 |     textureFormat: -1
56 |     textureCompression: 1
57 |     compressionQuality: 50
58 |     crunchedCompression: 0
59 |     allowsAlphaSplitting: 0
60 |     overridden: 0
61 |   - buildTarget: Standalone
62 |     maxTextureSize: 32
63 |     textureFormat: -1
64 |     textureCompression: 1
65 |     compressionQuality: 50
66 |     crunchedCompression: 0
67 |     allowsAlphaSplitting: 0
68 |     overridden: 0
69 |   - buildTarget: iPhone
70 |     maxTextureSize: 32
71 |     textureFormat: -1
72 |     textureCompression: 1
73 |     compressionQuality: 50
74 |     crunchedCompression: 0
75 |     allowsAlphaSplitting: 0
76 |     overridden: 0
77 |   - buildTarget: Android
78 |     maxTextureSize: 32
79 |     textureFormat: -1
80 |     textureCompression: 1
81 |     compressionQuality: 50
82 |     crunchedCompression: 0
83 |     allowsAlphaSplitting: 0
84 |     overridden: 0
85 |   spriteSheet:
86 |     serializedVersion: 2
87 |     sprites: []
88 |     outline: []
89 |   spritePackingTag: 
90 |   userData: 
91 |   assetBundleName: 
92 |   assetBundleVariant: 
93 | 


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 1 | fileFormatVersion: 2
 2 | guid: 769c631cf2fcbca489f0e1c8d25ad509
 3 | folderAsset: yes
 4 | timeCreated: 1487233344
 5 | licenseType: Pro
 6 | DefaultImporter:
 7 |   userData: 
 8 |   assetBundleName: 
 9 |   assetBundleVariant: 
10 | 


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/Assets/SeparatedAssetBundleBuild/Editor.meta:
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 1 | fileFormatVersion: 2
 2 | guid: 42126647864a7364fbc14f5e9b86310b
 3 | folderAsset: yes
 4 | timeCreated: 1487234743
 5 | licenseType: Pro
 6 | DefaultImporter:
 7 |   userData: 
 8 |   assetBundleName: 
 9 |   assetBundleVariant: 
10 | 


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/Assets/SeparatedAssetBundleBuild/Editor/AllAssetBundleInformation.cs:
--------------------------------------------------------------------------------
 1 | using System.Collections.Generic;
 2 | using UnityEngine;
 3 | 
 4 | namespace UTJ
 5 | {
 6 |     public class AllAssetBundleInformation
 7 |     {
 8 |         public List<AssetBundleInfoWithDepends> noDependList = new List<AssetBundleInfoWithDepends>();
 9 |         public Dictionary<int, List<AssetBundleInfoWithDepends>> dependGroup = new Dictionary<int, List<AssetBundleInfoWithDepends>>();
10 |     }
11 | }


--------------------------------------------------------------------------------
/Assets/SeparatedAssetBundleBuild/Editor/AllAssetBundleInformation.cs.meta:
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 1 | fileFormatVersion: 2
 2 | guid: 543b08dfcd0af554bbf558695335dfc0
 3 | timeCreated: 1487234859
 4 | licenseType: Pro
 5 | MonoImporter:
 6 |   serializedVersion: 2
 7 |   defaultReferences: []
 8 |   executionOrder: 0
 9 |   icon: {instanceID: 0}
10 |   userData: 
11 |   assetBundleName: 
12 |   assetBundleVariant: 
13 | 


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/Assets/SeparatedAssetBundleBuild/Editor/AssetBundleBuildsManifest.cs:
--------------------------------------------------------------------------------
 1 | using System.Collections;
 2 | using System.Collections.Generic;
 3 | using UnityEngine;
 4 | 
 5 | 
 6 | namespace UTJ
 7 | {
 8 |     /// <summary>
 9 |     /// AssetBundleManifest
10 |     /// </summary>
11 |     public class AssetBundleBuildsManifest
12 |     {
13 |         private List<string> allAssetBundles = new List<string>();
14 |         private Dictionary<string, string[]> allDependencies = new Dictionary<string, string[]>();
15 |         private Dictionary<string, Hash128> allHash = new Dictionary<string, Hash128>();
16 | 
17 |         public string[] GetAllAssetBundles()
18 |         {
19 |             return allAssetBundles.ToArray();
20 |         }
21 |         public string[] GetAllDependencies(string name)
22 |         {
23 |             string[] val = null;
24 |             allDependencies.TryGetValue(name, out val);
25 |             return val;
26 |         }
27 |         public Hash128 GetAssetBundleHash(string name)
28 |         {
29 |             Hash128 hash = new Hash128();
30 |             allHash.TryGetValue(name, out hash);
31 |             return hash;
32 |         }
33 | 
34 |         public void AddUnityManifest(UnityEngine.AssetBundleManifest manifest)
35 |         {
36 |             if (manifest == null) { return; }
37 |             string[] inOriginList = manifest.GetAllAssetBundles();
38 |             foreach (var origin in inOriginList)
39 |             {
40 |                 allAssetBundles.Add(origin);
41 |                 allDependencies.Add(origin, manifest.GetAllDependencies(origin));
42 |                 allHash.Add(origin, manifest.GetAssetBundleHash(origin));
43 |             }
44 |         }
45 |     }
46 | }


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/Assets/SeparatedAssetBundleBuild/Editor/AssetBundleBuildsManifest.cs.meta:
--------------------------------------------------------------------------------
 1 | fileFormatVersion: 2
 2 | guid: 0b8a1cab4da6e1745bb283b41748c3da
 3 | timeCreated: 1487234737
 4 | licenseType: Pro
 5 | MonoImporter:
 6 |   serializedVersion: 2
 7 |   defaultReferences: []
 8 |   executionOrder: 0
 9 |   icon: {instanceID: 0}
10 |   userData: 
11 |   assetBundleName: 
12 |   assetBundleVariant: 
13 | 


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/Assets/SeparatedAssetBundleBuild/Editor/AssetBundleInfoWithDepends.cs:
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 1 | using System.Collections.Generic;
 2 | using System.Text;
 3 | using UnityEngine;
 4 | using UnityEditor;
 5 | 
 6 | namespace UTJ
 7 | {
 8 |     public class AssetBundleInfoWithDepends
 9 |     {
10 |         public string assetBundleName { private set; get; }
11 |         public HashSet<string> dependsAssetBundleList;
12 |         public HashSet<string> useThisAssetBundleList;
13 |         public int groupId = -1;
14 |         public bool isNonDepend
15 |         {
16 |             get
17 |             {
18 |                 return (dependsAssetBundleList == null) && (useThisAssetBundleList == null);
19 |             }
20 |         }
21 | 
22 |         public AssetBundleInfoWithDepends(string name)
23 |         {
24 |             this.assetBundleName = name;
25 | 
26 |             string[] depends = AssetDatabase.GetAssetBundleDependencies(this.assetBundleName, true);
27 |             if (depends == null)
28 |             {
29 |                 return;
30 |             }
31 |             foreach (var depend in depends)
32 |             {
33 |                 AddList(depend, ref this.dependsAssetBundleList);
34 |             }
35 |         }
36 |         public void AddUseThisAssetBundleList(string name)
37 |         {
38 |             AddList(name, ref this.useThisAssetBundleList);
39 |         }
40 | 
41 |         private void AddList(string assetBundle, ref HashSet<string> dataset)
42 |         {
43 |             if (string.IsNullOrEmpty(assetBundle))
44 |             {
45 |                 return;
46 |             }
47 |             if (dataset == null)
48 |             {
49 |                 dataset = new HashSet<string>();
50 |             }
51 |             if (!dataset.Contains(assetBundle))
52 |             {
53 |                 dataset.Add(assetBundle);
54 |             }
55 |         }
56 |     }
57 | }


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 1 | fileFormatVersion: 2
 2 | guid: 98ebedca3d933c547b9e4122c63b3c8f
 3 | timeCreated: 1487234781
 4 | licenseType: Pro
 5 | MonoImporter:
 6 |   serializedVersion: 2
 7 |   defaultReferences: []
 8 |   executionOrder: 0
 9 |   icon: {instanceID: 0}
10 |   userData: 
11 |   assetBundleName: 
12 |   assetBundleVariant: 
13 | 


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/Assets/SeparatedAssetBundleBuild/Editor/SeparatedAssetBundleBuild.cs:
--------------------------------------------------------------------------------
  1 | //#define ASSET_BUNDLE_GROUPING_DEBUG
  2 | //#define ASSET_BUNDLE_BUILD_TIME_CHECK
  3 | 
  4 | using System.Collections.Generic;
  5 | using System.IO;
  6 | using System.Text;
  7 | using UnityEngine;
  8 | using UnityEditor;
  9 | 
 10 | 
 11 | 
 12 | namespace UTJ
 13 | {
 14 |     /// <summary>
 15 |     /// call BuildPipeline.BuildAssetBundles separately.
 16 |     /// because of Unity5.5 regression.
 17 |     /// </summary>
 18 |     public class SeparatedAssetBundleBuild
 19 |     {
 20 | 
 21 |         // The number of batchingAssetBundleBuilds.
 22 |         private const int BulkConvertNum = 300;
 23 |         public static List<string> ReservedVariants = new List<string>(0);
 24 | 
 25 |         public static AssetBundleBuildsManifest BuildAssetBundles(string outputDir, BuildAssetBundleOptions buildOption, BuildTarget targetPlatform)
 26 |         {
 27 | #if ASSET_BUNDLE_BUILD_TIME_CHECK
 28 |             float startTime = Time.realtimeSinceStartup;
 29 | #endif
 30 | 
 31 |             AssetBundleBuildsManifest manifest = new AssetBundleBuildsManifest();
 32 | 
 33 |             AssetBundleManifest unityManifest = null;
 34 |             // append
 35 |             AllAssetBundleInformation allAssetBundleInfo = GetAllAssetBundleInfoList();
 36 |             int allAssetBundleCount = AssetDatabase.GetAllAssetBundleNames().Length;
 37 |             //
 38 |             List<AssetBundleBuild> buildTargetBuffer = new List<AssetBundleBuild>();
 39 | 
 40 | #if ASSET_BUNDLE_BUILD_TIME_CHECK
 41 |             float groupingComplete = Time.realtimeSinceStartup;
 42 | #endif
 43 | 
 44 | 
 45 |             /// Build NoDependAssetBundles
 46 |             int idx = 0;
 47 |             foreach (var noDependAssetBundle in allAssetBundleInfo.noDependList)
 48 |             {
 49 |                 string assetBundleName = noDependAssetBundle.assetBundleName;
 50 |                 buildTargetBuffer.Add(CreateAssetBundleBuildFromAssetBundleName(assetBundleName));
 51 |                 if (buildTargetBuffer.Count > BulkConvertNum)
 52 |                 {
 53 | #if ASSET_BUNDLE_GROUPING_DEBUG
 54 |                     DebugPrintBuildPipeline(buildTargetBuffer);
 55 | #endif
 56 |                     unityManifest = BuildPipeline.BuildAssetBundles(outputDir, buildTargetBuffer.ToArray(), buildOption, targetPlatform);
 57 |                     manifest.AddUnityManifest(unityManifest);
 58 |                     buildTargetBuffer.Clear();
 59 |                 }
 60 |                 ++idx;
 61 |                 EditorUtility.DisplayProgressBar("process no dependence bundles", assetBundleName, (float)idx / (float)allAssetBundleCount);
 62 |             }
 63 |             if (buildTargetBuffer.Count > 0)
 64 |             {
 65 | #if ASSET_BUNDLE_GROUPING_DEBUG
 66 |                 DebugPrintBuildPipeline(buildTargetBuffer);
 67 | #endif
 68 |                 unityManifest = BuildPipeline.BuildAssetBundles(outputDir, buildTargetBuffer.ToArray(), buildOption, targetPlatform);
 69 |                 manifest.AddUnityManifest(unityManifest);
 70 |                 buildTargetBuffer.Clear();
 71 |             }
 72 | 
 73 |             // group set
 74 |             var dependGroupList = new List<List<AssetBundleInfoWithDepends>>(allAssetBundleInfo.dependGroup.Values);
 75 |             int length = dependGroupList.Count;
 76 | 
 77 |             for (int i = 0; i < length; ++i)
 78 |             {
 79 |                 string assetBundleName = "";
 80 |                 foreach (var assetBundle in dependGroupList[i])
 81 |                 {
 82 |                     assetBundleName = assetBundle.assetBundleName;
 83 |                     buildTargetBuffer.Add(CreateAssetBundleBuildFromAssetBundleName(assetBundleName));
 84 |                     ++idx;
 85 |                 }
 86 |                 bool buildFlag = false;
 87 |                 buildFlag |= (buildTargetBuffer.Count > BulkConvertNum);
 88 |                 buildFlag |= (i == length - 1);
 89 |                 if (i < length - 1)
 90 |                 {
 91 |                     buildFlag |= (dependGroupList[i + 1].Count > BulkConvertNum);
 92 |                 }
 93 | 
 94 |                 if (buildFlag)
 95 |                 {
 96 | #if ASSET_BUNDLE_GROUPING_DEBUG
 97 |                     DebugPrintBuildPipeline(buildTargetBuffer);
 98 | #endif
 99 |                     unityManifest = BuildPipeline.BuildAssetBundles(outputDir, buildTargetBuffer.ToArray(), buildOption, targetPlatform);
100 |                     manifest.AddUnityManifest(unityManifest);
101 |                     buildTargetBuffer.Clear();
102 |                 }
103 |                 EditorUtility.DisplayProgressBar("process dependence", "group " + i + " " + assetBundleName, (float)idx / (float)allAssetBundleCount);
104 |             }
105 |             EditorUtility.ClearProgressBar();
106 | #if ASSET_BUNDLE_BUILD_TIME_CHECK
107 |             float buildCompleteTime = Time.realtimeSinceStartup;
108 | 
109 |             UnityEngine.Debug.Log("All BuildTime:" + (buildCompleteTime - startTime) + "sec\n" +
110 |                 "GroupingTime:" + (groupingComplete - startTime) + "sec\n" +
111 |                 "AssetBundleBuild:" + (buildCompleteTime - groupingComplete) + "sec\n");
112 | #endif
113 |             return manifest;
114 |         }
115 | #if ASSET_BUNDLE_GROUPING_DEBUG
116 |         private static void DebugPrintBuildPipeline(List<AssetBundleBuild> buildTargetBuffer)
117 |         {
118 |             StringBuilder sb = new StringBuilder();
119 |             sb.Append("BuildPipeline.BuildAssetBundles ").Append(buildTargetBuffer.Count).Append("\n");
120 |             foreach (var target in buildTargetBuffer)
121 |             {
122 |                 sb.Append(target.assetBundleName).Append("\n");
123 |             }
124 | 
125 |             UnityEngine.Debug.Log(sb.ToString());
126 |         }
127 | #endif
128 | 
129 |         private static AllAssetBundleInformation GetAllAssetBundleInfoList()
130 |         {
131 |             AllAssetBundleInformation allAsssetBundleInfo = new AllAssetBundleInformation();
132 |             var assetBundleNames = AssetDatabase.GetAllAssetBundleNames();
133 | 
134 |             Dictionary<string, AssetBundleInfoWithDepends> infoDictionary = new Dictionary<string, AssetBundleInfoWithDepends>(assetBundleNames.Length);
135 |             // Check Depencencies
136 |             int idx = 0;
137 |             foreach (var assetBundleName in assetBundleNames)
138 |             {
139 |                 infoDictionary.Add(assetBundleName, new AssetBundleInfoWithDepends(assetBundleName));
140 |                 EditorUtility.DisplayProgressBar("Check the dependencies", assetBundleName, (float)idx / (float)assetBundleNames.Length * 2.0f);
141 |                 ++idx;
142 |             }
143 |             foreach (var dependInfo in infoDictionary.Values)
144 |             {
145 |                 if (dependInfo.dependsAssetBundleList == null)
146 |                 {
147 |                     ++idx;
148 |                     continue;
149 |                 }
150 |                 foreach (var depend in dependInfo.dependsAssetBundleList)
151 |                 {
152 |                     infoDictionary[depend].AddUseThisAssetBundleList(dependInfo.assetBundleName);
153 |                 }
154 |                 EditorUtility.DisplayProgressBar("Check the dependencies", dependInfo.assetBundleName, (float)idx / (float)assetBundleNames.Length * 2.0f);
155 |                 ++idx;
156 |             }
157 |             // remove no depends
158 |             List<AssetBundleInfoWithDepends> dataList = new List<AssetBundleInfoWithDepends>(infoDictionary.Values);
159 |             foreach (var data in dataList)
160 |             {
161 |                 if (data.isNonDepend)
162 |                 {
163 |                     infoDictionary.Remove(data.assetBundleName);
164 |                     allAsssetBundleInfo.noDependList.Add(data);
165 |                 }
166 |             }
167 | #if ASSET_BUNDLE_GROUPING_DEBUG
168 |             UnityEngine.Debug.Log("dependBundles : " + infoDictionary.Count + ":: noDependBundles" + (dataList.Count - infoDictionary.Count));
169 | #endif
170 |             // Grouping
171 |             EditorUtility.DisplayProgressBar("Grouping...", "", 0.0f);
172 | 
173 |             int leftAssetBundles = infoDictionary.Count;
174 |             int currentGroupId = 0;
175 |             HashSet<string> groupHashSet = new HashSet<string>();
176 |             while (infoDictionary.Count > 0)
177 |             {
178 |                 var enumrator = infoDictionary.Values.GetEnumerator();
179 |                 enumrator.MoveNext();
180 |                 AssetBundleInfoWithDepends currentValue = enumrator.Current;
181 |                 if (currentValue == null)
182 |                 {
183 |                     continue;
184 |                 }
185 |                 currentValue.groupId = currentGroupId;
186 |                 groupHashSet.Clear();
187 |                 groupHashSet.Add(currentValue.assetBundleName);
188 | 
189 | 
190 | 
191 |                 while (currentValue != null)
192 |                 {
193 |                     currentValue.groupId = currentGroupId;
194 |                     if (currentValue.dependsAssetBundleList != null)
195 |                     {
196 |                         foreach (var depend in currentValue.dependsAssetBundleList)
197 |                         {
198 |                             groupHashSet.Add(depend);
199 |                         }
200 |                     }
201 |                     if (currentValue.useThisAssetBundleList != null)
202 |                     {
203 |                         foreach (var used in currentValue.useThisAssetBundleList)
204 |                         {
205 |                             groupHashSet.Add(used);
206 |                         }
207 |                     }
208 |                     bool flag = false;
209 |                     currentValue = null;
210 |                     foreach (string assetBundle in groupHashSet)
211 |                     {
212 |                         if (infoDictionary.TryGetValue(assetBundle, out currentValue))
213 |                         {
214 |                             if (currentValue != null && currentValue.groupId < 0)
215 |                             {
216 |                                 flag = true;
217 |                                 break;
218 |                             }
219 |                         }
220 |                         else
221 |                         {
222 |                             UnityEngine.Debug.LogError("Something wrong " + assetBundle + " @ " + currentGroupId);
223 |                         }
224 |                     }
225 |                     if (!flag)
226 |                     {
227 |                         currentValue = null;
228 |                     }
229 |                 }
230 |                 // remove from dictionary
231 | #if ASSET_BUNDLE_GROUPING_DEBUG
232 |                 string debugPrint = "current Group " + currentGroupId + " num:" + groupHashSet.Count;
233 | #endif
234 |                 List<AssetBundleInfoWithDepends> groupBundleList = new List<AssetBundleInfoWithDepends>(groupHashSet.Count);
235 |                 foreach (string assetBundleName in groupHashSet)
236 |                 {
237 | #if ASSET_BUNDLE_GROUPING_DEBUG
238 |                     debugPrint += "\n  " + assetBundleName;
239 | #endif
240 |                     AssetBundleInfoWithDepends assetBundleInfo;
241 |                     if (infoDictionary.TryGetValue(assetBundleName, out assetBundleInfo))
242 |                     {
243 |                         groupBundleList.Add(assetBundleInfo);
244 |                         infoDictionary.Remove(assetBundleName);
245 |                     }
246 |                 }
247 |                 allAsssetBundleInfo.dependGroup.Add(currentGroupId, groupBundleList);
248 | 
249 | #if ASSET_BUNDLE_GROUPING_DEBUG
250 |                 UnityEngine.Debug.Log(debugPrint);
251 | #endif
252 | 
253 |                 ++currentGroupId;
254 |                 EditorUtility.DisplayProgressBar("Grouping...", "Group " + currentGroupId, (-infoDictionary.Count + leftAssetBundles) / (float)leftAssetBundles);
255 |             }
256 | 
257 |             EditorUtility.ClearProgressBar();
258 | 
259 |             return allAsssetBundleInfo;
260 |         }
261 | 
262 |         private static AssetBundleBuild CreateAssetBundleBuildFromAssetBundleName(string assetBundleName)
263 |         {
264 |             AssetBundleBuild build = new AssetBundleBuild();
265 | 
266 |             string bundleName;
267 |             string variant;
268 |             GetAssetBundleNameAndVariantByReservedVariants(assetBundleName, out bundleName, out variant);
269 | 
270 |             build.assetBundleName = bundleName;
271 |             build.assetBundleVariant = variant;
272 |             build.assetNames = AssetDatabase.GetAssetPathsFromAssetBundle(assetBundleName);
273 |             return build;
274 |         }
275 | 
276 |         private static void GetAssetBundleNameAndVariantByReservedVariants(string originAssetBundleName, out string assetBundleName, out string assetBundleVariant)
277 |         {
278 |             assetBundleName = originAssetBundleName;
279 |             assetBundleVariant = "";
280 | 
281 |             string extension = Path.GetExtension(assetBundleName);
282 |             if (!string.IsNullOrEmpty(extension))
283 |             {
284 |                 extension = extension.Substring(1);
285 |                 if (ReservedVariants.Contains(extension))
286 |                 {
287 |                     assetBundleName = Path.Combine(Path.GetDirectoryName(assetBundleName), Path.GetFileNameWithoutExtension(assetBundleName));
288 |                     assetBundleVariant = extension;
289 |                 }
290 |             }
291 |         }
292 | 
293 |     }
294 | 
295 | }


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/LICENSE:
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 1 | MIT License
 2 | 
 3 | Copyright (c) 2017 Unity Technologies Japan
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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1 | m_EditorVersion: 5.5.1p2
2 | 


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/README.ja.md:
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 1 | # SeparatedAssetBundleBuild
 2 | 大量のAssetBundleをUnity5.5でビルドした時に、異様に時間が掛かってしまう件のワークアラウンドになります。
 3 | 
 4 | Read this in other languages: [English](README.md), 日本語<br />
 5 | 
 6 | 
 7 | ## 発生している問題について
 8 | Unity 5.5にて、ビルド対象のAssetBundle数が増えれば増えるほど、ビルド時間が指数的に長くなるという問題が起きています。<br />
 9 | 
10 | 図1.AssetBundle数とBuild時間の関係<br />
11 | 
12 | ![Alt text](/doc/img/AssetBundleBuildTime.png)
13 | 
14 | Issue Tracker:<br />
15 | https://issuetracker.unity3d.com/issues/drastically-longer-asset-bundle-building-time-when-building-multiple-small-asset-bundles<br />
16 | (こちらの問題は、Unity 5.5.3p2/5.6.0p2にて修正されました。)
17 | 
18 | ## このプロジェクトについて
19 | このプロジェクトは、"BuildPipeline.BuildAssetBundles"を可能な限り分割して呼び出す事でビルド時間を短縮するためのプロジェクトです。
20 | 
21 | 図2.このプロジェクト使用時のAssetBundle数とBuild時間の関係
22 | ![Alt text](/doc/img/WorkAroundBuildTime.png)
23 | 
24 | 
25 | ### 使用方法
26 | 1). SeparatedAssetBundleBuild.unitypackage をインポートします。<br />
27 | 2). Project内の "BuildPipeline.BuildAssetBundles" -> "UTJ.SeparatedAssetBundleBuild.BuildAssetBundles" と置き換えてください。<br />
28 | ※シングルマニフェストファイルも分割されてして出力されてしまいますので、注意してください。
29 | 
30 | ### サンプルについて
31 | テスト用にサンプルを用意しました。<br />
32 | Menuの"Sample/SampleWindow"を呼び出してください。<br />
33 | 
34 | ![Alt text](/doc/img/SampleWindow.png) <br />
35 | <br />
36 | 1).テストに使用するアセットバンドル数をセットします。<br />
37 | 2).テスト用のデータを作成します。<br />
38 | 3).従来のやり方でAssetBundleを作成します。<br />
39 | 4).今回用意した方法で、AssetBundleを作成します。<br />
40 | 


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/README.md:
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 1 | # SeparatedAssetBundleBuild
 2 | Workaround for long time to build many AssetBundles.
 3 | 
 4 | Read this in other languages: English, [日本語](README.ja.md)<br />
 5 | 日本語版はコチラを参照してください。
 6 | 
 7 | ## about Issue
 8 | At Unity 5.5 , the build time of AssetBundle is increasing exponentially by the number of AssetBundle.<br />
 9 | 
10 | Graph1.releation between the number of AssetBundles and building time<br />
11 | 
12 | Issue Tracker:<br />
13 | https://issuetracker.unity3d.com/issues/drastically-longer-asset-bundle-building-time-when-building-multiple-small-asset-bundles<br />
14 | (This issue was fixed at Unity 5.5.3p2/5.6.0p2)
15 | 
16 | ## about this
17 | This is a workaround project.<br />
18 | 
19 | To make the build time shorter, it is effective way to separate calling "BuildPipeline.BuildAssetBundles".
20 | 
21 | Graph2.this workaround
22 | ![Alt text](/doc/img/AssetBundleBuildTime.png)
23 | 
24 | 
25 | ### How to use this
26 | 1). Import the "SeparatedAssetBundleBuild.unitypackage".<br />
27 | 2). Replace "BuildPipeline.BuildAssetBundles" to "UTJ.SeparatedAssetBundleBuild.BuildAssetBundles".<br />
28 | *Single manifest file will be the last build's one.
29 | 
30 | ### About sample 
31 | We prepared test case.<br />
32 | Call "Sample/SampleWindow" from menu.<br />
33 | 
34 | ![Alt text](/doc/img/SampleWindow.png) <br />
35 | <br />
36 | 1)The number of datas.<br />
37 | 2).Create test datas.<br />
38 | 3).Build assetBundle without this workaround.<br />
39 | 4).Build assetBundle with this workaround.<br />
40 | 
41 | 


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