优化:使用Set避免数据重复

src/Add-on/ExportData.tsx

@@ -166,7 +166,7 @@ export function AppendUserInfo(d: Data | any)
     d.uid = localStorage.getItem(StoreageKeys.Uid);
 }
 
-export function Entitys2Data(ents: Entity[]): Data
+export function Entitys2Data(ents: Iterable<Entity>): Data
 {
     let d: Data = { Entitys: [], Materials: [] };
     for (let e of ents)

src/Reactor/SyncDataReactor.ts

@@ -58,9 +58,9 @@ export class SyncDataReactor
             {
                 if (!userConfig.synchronousEnable) return;
 
-                let createEntitys: Entity[] = [];
-                let changeEntitys: Entity[] = [];
-                let deleteEntitys: Entity[] = [];
+                let createEntitys = new Set<Entity>();
+                let changeEntitys = new Set<Entity>();
+                let deleteEntitys = new Set<Entity>();
 
                 for (let [h, hs] of historyRec.HistoryList)
                 {
@@ -73,13 +73,13 @@ export class SyncDataReactor
                             {
                                 let ent = data.RemoveObject as Entity;
                                 if (IsSyncEntity(ent))
-                                    deleteEntitys.push(ent);
+                                    deleteEntitys.add(ent);
                             }
                             else if (data instanceof CreateObjectData)
                             {
                                 let ent = data.CreateObject as Entity;
                                 if (IsSyncEntity(ent))
-                                    createEntitys.push(ent);
+                                    createEntitys.add(ent);
                             }
                         }
                     }
@@ -93,20 +93,20 @@ export class SyncDataReactor
                     {
                         if ((isUndo ? h.undoData : h.redoData) instanceof CreateObjectData)
                         {
-                            createEntitys.push(e);
+                            createEntitys.add(e);
                             break;
                         }
                         else
                         {
                             if (e.IsErase)
-                                deleteEntitys.push(e);
+                                deleteEntitys.add(e);
                             else
-                                changeEntitys.push(e);
+                                changeEntitys.add(e);
                         }
                     }
                 }
 
-                if (createEntitys.length > 0 || deleteEntitys.length > 0 || changeEntitys.length > 0)
+                if (createEntitys.size > 0 || deleteEntitys.size > 0 || changeEntitys.size > 0)
                 {
                     let d: IncrementData = { Add: Entitys2Data(createEntitys), Change: Entitys2Data(changeEntitys), Delete: Entitys2Data(deleteEntitys) };
                     AppendUserInfo(d);