检查assetbundle的重复依赖

检查assetbundle的重复依赖.cs

        if (GUILayout.Button("检查重复依赖"))
        {
            // 如果某个资源即在ab1中，又在ab2中，就是重复依赖了
            
            var self = target as CheckDuplicatedDeps;

            var abMapping = new Dictionary<string, HashSet<string>>();
            System.Action<string, string> addMaping = (string a, string b) =>
            {
                if (!abMapping.ContainsKey(a))
                {
                    abMapping.Add(a, new HashSet<string>());
                }
                abMapping[a].Add(b);
            };
            
            foreach (var abName in self.ObjList)
            {
                var abAllDeps = new HashSet<string>();
                
                var filesInAb = AssetDatabase.GetAssetPathsFromAssetBundle(abName);
                foreach (var fileName in filesInAb)
                {
                    abAllDeps.AddRange(AssetDatabase.GetDependencies(fileName));
                }    
                
                // var sb = new StringBuilder();
                // sb.AppendLine($"[{abName}] dep-files:" );
                foreach (var it in abAllDeps)
                {
                    // 获取所在的assetbundle的名字。如果为空，说明是属于当前assetbundle。
                    var depAbName = AssetDatabase.GetImplicitAssetBundleName(it);
                    if (string.IsNullOrEmpty(depAbName))
                    {
                        depAbName = abName;
                    }
                    addMaping(it, depAbName);

                    // sb.AppendLine($"/t{it}, dep-ab={depAbName}");
                }
                // Debug.Log(sb);
            }

            {
                var sb = new StringBuilder();
                sb.AppendLine("冲突检查结果：");
                System.Func<HashSet<string>, string> dumpSet = (v) =>
                {
                    var sb2 = new StringBuilder();
                    foreach (var it in v)
                    {
                        if (sb2.Length > 0)
                        {
                            sb2.Append(", ");
                        }

                        sb2.Append(it);
                    }

                    return sb2.ToString();
                };
                foreach (var it in abMapping)
                {
                    if (it.Value.Count > 1)
                    {
                        sb.AppendLine($"{it.Key}, conflict:[{dumpSet(it.Value)}]");
                    }
                } 
                Debug.Log(sb);
            }
        }