├── NewAtlasMaker.cs
└── README


/NewAtlasMaker.cs:
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  1 | using UnityEngine;
  2 | 
  3 | using UnityEngine.Events;
  4 | 
  5 | using UnityEngine.UI;
  6 | 
  7 | using UnityEditor;
  8 | using UnityEditor.AnimatedValues;
  9 | using UnityEditor.UI;
 10 | using System.IO;
 11 | using System.Linq;
 12 | using UnityEngine.U2D;
 13 | using UnityEditor.U2D;
 14 | using System.Collections.Generic;
 15 | using System.Reflection;
 16 | using System.Text;
 17 | using UnityEditor.PackageManager;
 18 | 
 19 | namespace Tools
 20 | {
 21 |     public class NewAtlasMaker : EditorWindow
 22 |     {
 23 |         private static string sptDesDir = Application.dataPath + "/Resources";
 24 |         private static string sptSrcDir = Application.dataPath + "/Art";
 25 | 
 26 |         [MenuItem("Tools/NewAtlasMaker By Folders")]
 27 | 
 28 |         public static void CreateAtlasByFolders()
 29 |         {
 30 |             DirectoryInfo rootDirInfo = new DirectoryInfo(sptSrcDir);
 31 |             //add folders
 32 |             List<Object> folders = new List<Object>();
 33 |             foreach (DirectoryInfo dirInfo in rootDirInfo.GetDirectories())
 34 |             {
 35 |                 folders.Clear();
 36 |                 if (dirInfo != null)
 37 |                 {
 38 |                     string assetPath = dirInfo.FullName.Substring(dirInfo.FullName.IndexOf("Assets"));
 39 |                     var o = AssetDatabase.LoadAssetAtPath<DefaultAsset>(assetPath);
 40 |                     if (IsPackable(o))
 41 |                         folders.Add(o);
 42 |                 }
 43 |                 string atlasName = dirInfo.Name + ".spriteatlas";
 44 |                 CreateAtlas(atlasName);
 45 |                 SpriteAtlas sptAtlas = Resources.Load<SpriteAtlas>(dirInfo.Name);
 46 |                 Debug.Log(sptAtlas.tag);
 47 |                 AddPackAtlas(sptAtlas, folders.ToArray());
 48 |             }
 49 | 
 50 |             //add texture by your self
 51 |         }
 52 | 
 53 |         [MenuItem("Tools/NewAtlasMaker By Sprite")]
 54 |         public static void CreateAtlasBySprite()
 55 |         {
 56 |             DirectoryInfo rootDirInfo = new DirectoryInfo(sptSrcDir);
 57 | 
 58 |             //add sprite
 59 | 
 60 |             List<Sprite> spts = new List<Sprite>();
 61 |             foreach (DirectoryInfo dirInfo in rootDirInfo.GetDirectories())
 62 |             {
 63 |                 spts.Clear();
 64 |                 foreach (FileInfo pngFile in dirInfo.GetFiles("*.png", SearchOption.AllDirectories))
 65 |                 {
 66 |                     string allPath = pngFile.FullName;
 67 |                     string assetPath = allPath.Substring(allPath.IndexOf("Assets"));
 68 |                     Sprite sprite = AssetDatabase.LoadAssetAtPath<Sprite>(assetPath);
 69 |                     if (IsPackable(sprite))
 70 |                         spts.Add(sprite);
 71 |                 }
 72 |                 string atlasName = dirInfo.Name + ".spriteatlas";
 73 |                 CreateAtlas(atlasName);
 74 |                 SpriteAtlas sptAtlas = Resources.Load<SpriteAtlas>(dirInfo.Name);
 75 |                 Debug.Log(sptAtlas.tag);
 76 |                 AddPackAtlas(sptAtlas, spts.ToArray());
 77 |             }
 78 |             
 79 | 
 80 |             //add texture by your self
 81 |         }
 82 |         static bool IsPackable(Object o)
 83 |         {
 84 |             return o != null && (o.GetType() == typeof(Sprite) || o.GetType() == typeof(Texture2D) || (o.GetType() == typeof(DefaultAsset) && ProjectWindowUtil.IsFolder(o.GetInstanceID())));
 85 |         }
 86 | 
 87 |         static void AddPackAtlas(SpriteAtlas atlas, Object[] spt)
 88 |         {
 89 |             MethodInfo methodInfo = System.Type
 90 |                  .GetType("UnityEditor.U2D.SpriteAtlasExtensions, UnityEditor")
 91 |                  .GetMethod("Add", BindingFlags.Public | BindingFlags.Static);
 92 |             if (methodInfo != null)
 93 |                 methodInfo.Invoke(null, new object[] { atlas, spt });
 94 |             else
 95 |                 Debug.Log("methodInfo is null");
 96 |             PackAtlas(atlas);
 97 |         }
 98 | 
 99 |         static void PackAtlas(SpriteAtlas atlas)
100 |         {
101 |             System.Type
102 |                 .GetType("UnityEditor.U2D.SpriteAtlasUtility, UnityEditor")
103 |                 .GetMethod("PackAtlases", BindingFlags.NonPublic | BindingFlags.Static)
104 |                 .Invoke(null, new object[] { new[] { atlas }, EditorUserBuildSettings.activeBuildTarget });
105 |         }
106 | 
107 |         public static void CreateAtlas(string atlasName)
108 |         {
109 |             string yaml = @"%YAML 1.1
110 | %TAG !u! tag:unity3d.com,2011:
111 | --- !u!687078895 &4343727234628468602
112 | SpriteAtlas:
113 |   m_ObjectHideFlags: 0
114 |   m_PrefabParentObject: {fileID: 0}
115 |   m_PrefabInternal: {fileID: 0}
116 |   m_Name: New Sprite Atlas
117 |   m_EditorData:
118 |     textureSettings:
119 |       serializedVersion: 2
120 |       anisoLevel: 1
121 |       compressionQuality: 50
122 |       maxTextureSize: 2048
123 |       textureCompression: 0
124 |       filterMode: 1
125 |       generateMipMaps: 0
126 |       readable: 0
127 |       crunchedCompression: 0
128 |       sRGB: 1
129 |     platformSettings: []
130 |     packingParameters:
131 |       serializedVersion: 2
132 |       padding: 4
133 |       blockOffset: 1
134 |       allowAlphaSplitting: 0
135 |       enableRotation: 1
136 |       enableTightPacking: 1
137 |     variantMultiplier: 1
138 |     packables: []
139 |     bindAsDefault: 1
140 |   m_MasterAtlas: {fileID: 0}
141 |   m_PackedSprites: []
142 |   m_PackedSpriteNamesToIndex: []
143 |   m_Tag: New Sprite Atlas
144 |   m_IsVariant: 0
145 | ";
146 |             AssetDatabase.Refresh();
147 | 
148 |             if (!Directory.Exists(sptDesDir ))
149 |             {
150 |                 Directory.CreateDirectory(sptDesDir );
151 |                 AssetDatabase.Refresh();
152 |             }
153 |             string filePath = sptDesDir + "/" + atlasName;
154 |             if (File.Exists(filePath))
155 |             {
156 |                 File.Delete(filePath);
157 |                 AssetDatabase.Refresh();
158 |             }
159 |             FileStream fs = new FileStream(filePath, FileMode.CreateNew);
160 |             byte[] bytes = new UTF8Encoding().GetBytes(yaml);
161 |             fs.Write(bytes, 0, bytes.Length);
162 |             fs.Close();
163 |             AssetDatabase.Refresh();
164 |         }
165 | 
166 |     }
167 | 
168 | }
169 | 


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/README:
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1 | 网上没找到，只好自己写了。版本不同可以只更换yaml文本就可以了。推荐编辑器采用yaml来实现。yaml解析可以参考https://github.com/hanbim520/UnityYaml.git


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