功能:引用实体支持修改材质

src/DatabaseServices/Entity/EntityRef.ts

@@ -11,6 +11,7 @@ import { RenderType } from "../../GraphicsSystem/RenderType";
 import { IndexedDbStore, StoreName } from "../../IndexedDb/IndexedDbStore";
 import { Factory } from "../CADFactory";
 import { CADFiler } from "../CADFiler";
+import { ObjectId } from "../ObjectId";
 import { GetBoxGeoBufferGeometry } from "./BoxSolid";
 import { Entity } from "./Entity";
 import { GenUVForWorld } from "./GenUVForWorld";
@@ -29,6 +30,8 @@ export class EntityRef extends Entity
     private _ScaleSize = new Vector3;//缩放后的尺寸
     private _Center = new Vector3;//盒子中心
 
+    private _OverWriteMaterial = new Map<number, ObjectId>();//section index -> materialId
+
     // `/Data/ASSETS/DXAA_0001`
     constructor(private _url?: string)
     {
@@ -383,14 +386,27 @@ export class EntityRef extends Entity
             this._ScaleSize.y = file.Read();
             this._ScaleSize.z = file.Read();
         }
+
+        this._OverWriteMaterial.clear();
+        if (ver > 2)
+        {
+            let size = file.Read();
+            for (let i = 0; i < size; i++)
+            {
+                let index = file.Read();
+                let id = file.ReadHardObjectId();
+                this._OverWriteMaterial.set(index, id);
+            }
+        }
     }
     //对象将自身数据写入到文件.
     WriteFile(file: CADFiler)
     {
-        file.Write(2);
+        file.Write(3);
         super.WriteFile(file);
         file.Write(this._url);
 
+        //2
         file.Write(this._Size.x);
         file.Write(this._Size.y);
         file.Write(this._Size.z);
@@ -402,6 +418,14 @@ export class EntityRef extends Entity
         file.Write(this._ScaleSize.x);
         file.Write(this._ScaleSize.y);
         file.Write(this._ScaleSize.z);
+
+        //ver3
+        file.Write(this._OverWriteMaterial.size);
+        for (let [index, id] of this._OverWriteMaterial)
+        {
+            file.Write(index);
+            file.WriteHardObjectId(id);
+        }
     }
     //#endregion
 }