支持2020构建流程

Editor/BuildProcess/ObfuzProcess2021.cs

@@ -18,29 +18,40 @@ namespace Obfuz
 #if UNITY_2021 || UNITY_2020_1_OR_NEWER
     internal class ObfuzProcess2021 : IPreprocessBuildWithReport, IPostprocessBuildWithReport
     {
-        private static bool s_inBuild = false;
         private static bool s_obfuscated = false;
 
         public int callbackOrder => 10000;
 
+        [InitializeOnLoadMethod]
+        private static void Init()
+        {
+            CompilationPipeline.compilationFinished += OnCompilationFinished;
+        }
+
         public void OnPreprocessBuild(BuildReport report)
         {
-            s_inBuild = true;
             s_obfuscated = false;
-
-            CompilationPipeline.compilationFinished += OnCompilationFinished;
         }
 
         private static string GetScriptAssembliesPath(object obj)
         {
+#if UNITY_2021
             object settings = obj.GetType().GetProperty("settings").GetValue(obj);
             string path = (string)settings.GetType().GetProperty("OutputDirectory").GetValue(settings);
-            return path;
+#elif UNITY_2020
+            return "Library/PlayerScriptAssemblies";
+#else
+            throw new Exception();
+#endif
         }
 
-        private void OnCompilationFinished(object obj)
+        private static void OnCompilationFinished(object obj)
         {
-            if (s_inBuild && !s_obfuscated)
+            if (!BuildPipeline.isBuildingPlayer)
+            {
+                return;
+            }
+            if (!s_obfuscated)
             {
                 RunObfuscate(GetScriptAssembliesPath(obj));
                 s_obfuscated = true;
@@ -49,9 +60,7 @@ namespace Obfuz
 
         public void OnPostprocessBuild(BuildReport report)
         {
-            s_inBuild = false;
             s_obfuscated = false;
-            CompilationPipeline.compilationFinished -= OnCompilationFinished;
         }
 
         private static void RunObfuscate(string scriptAssembliesPath)
@@ -76,8 +85,15 @@ namespace Obfuz
             {
                 AssemblySearchDirs = new List<string>
                 {
+#if UNITY_2021_1_OR_NEWER
                     Path.Combine(applicationContentsPath, "UnityReferenceAssemblies/unity-4.8-api/Facades"),
                     Path.Combine(applicationContentsPath, "UnityReferenceAssemblies/unity-4.8-api"),
+#elif UNITY_2020
+                    Path.Combine(applicationContentsPath, "MonoBleedingEdge/lib/mono/4.7.1-api/Facades"),
+                    Path.Combine(applicationContentsPath, "MonoBleedingEdge/lib/mono/4.7.1-api"),
+#else
+                    #error "Unsupported Unity version"
+#endif
                     Path.Combine(applicationContentsPath, "Managed/UnityEngine"),
                    backupPlayerScriptAssembliesPath,
                 },

Editor/CollectionExtensions.cs

@@ -16,7 +16,7 @@ namespace Obfuz
             }
         }
 
-        public static V GetValueOrDefault<K, V>(IDictionary<K, V> dic, K key)
+        public static V GetValueOrDefault<K, V>(this IDictionary<K, V> dic, K key)
         {
             return dic.TryGetValue(key, out  V v) ? v : default(V);
         }

Editor/MetaUtil.cs

@@ -259,7 +259,7 @@ namespace Obfuz
                     {
                         return type;
                     }
-                    return type.IsClassSig ? new ClassSig(typeDef) : new ValueTypeSig(typeDef);
+                    return type.IsClassSig ? (TypeSig)new ClassSig(typeDef) : new ValueTypeSig(typeDef);
                 }
                 case ElementType.Array:
                 {

Editor/NameMatcher.cs

@@ -16,7 +16,7 @@ namespace Obfuz
                 nameOrPattern = "*";
             }
             _str = nameOrPattern;
-            _regex = nameOrPattern.Contains('*') || nameOrPattern.Contains('?') ? new Regex(WildcardToRegex(nameOrPattern)) : null;
+            _regex = nameOrPattern.Contains("*") || nameOrPattern.Contains("?") ? new Regex(WildcardToRegex(nameOrPattern)) : null;
         }
 
         public static string WildcardToRegex(string pattern)

Editor/ObfuscateRuleConfig.cs

@@ -307,7 +307,7 @@ namespace Obfuz
             rule.typeRuleSpecs = new List<TypeRuleSpec>();
             foreach (XmlNode node in element.ChildNodes)
             {
-                if (node is not XmlElement childElement)
+                if (!(node is XmlElement childElement))
                 {
                     continue;
                 }
@@ -337,7 +337,7 @@ namespace Obfuz
             rule.eventRuleSpecs = new List<EventRuleSpec>();
             foreach (XmlNode node in element.ChildNodes)
             {
-                if (node is not XmlElement childElement)
+                if (!(node is XmlElement childElement))
                 {
                     continue;
                 }
@@ -423,7 +423,7 @@ namespace Obfuz
 
             foreach (XmlNode node in element.ChildNodes)
             {
-                if (node is not XmlElement childElement)
+                if (!(node is XmlElement childElement))
                 {
                     continue;
                 }
@@ -461,7 +461,7 @@ namespace Obfuz
 
             foreach (XmlNode node in element.ChildNodes)
             {
-                if (node is not XmlElement childElement)
+                if (!(node is XmlElement childElement))
                 {
                     continue;
                 }
@@ -577,7 +577,7 @@ namespace Obfuz
             }
             foreach (XmlNode node in root.ChildNodes)
             {
-                if (node is not XmlElement element)
+                if (!(node is XmlElement element))
                 {
                     continue;
                 }

Editor/Rename/RenameRecordMap.cs

@@ -252,7 +252,7 @@ namespace Obfuz
             var root = doc.DocumentElement;
             foreach (XmlNode node in root.ChildNodes)
             {
-                if (node is not XmlElement element)
+                if (!(node is XmlElement element))
                 {
                     continue;
                 }
@@ -273,11 +273,11 @@ namespace Obfuz
             {
                 oldAssName = assemblyName,
                 newAssName = newAssemblyName,
-                status = System.Enum.Parse<RenameStatus>(ele.Attributes["status"].Value),
+                status = (RenameStatus)System.Enum.Parse(typeof(RenameStatus), ele.Attributes["status"].Value),
             };
             foreach (XmlNode node in ele.ChildNodes)
             {
-                if (node is not XmlElement element)
+                if (!(node is XmlElement element))
                 {
                     continue;
                 }
@@ -298,11 +298,11 @@ namespace Obfuz
             {
                 oldFullName = typeName,
                 newFullName = newTypeName,
-                status = System.Enum.Parse<RenameStatus>(ele.Attributes["status"].Value),
+                status = (RenameStatus)System.Enum.Parse(typeof(RenameStatus), ele.Attributes["status"].Value),
             };
             foreach (XmlNode node in ele.ChildNodes)
             {
-                if (node is not XmlElement c)
+                if (!(node is XmlElement c))
                 {
                     continue;
                 }
@@ -330,7 +330,7 @@ namespace Obfuz
             };
             foreach (XmlNode node in ele.ChildNodes)
             {
-                if (node is not XmlElement c)
+                if (!(node is XmlElement c))
                 {
                     continue;
                 }