Merge branch 'main' into dev/1.3

packages/loader/src/SceneLoader.ts

@@ -92,6 +92,7 @@ class SceneLoader extends Loader<Scene> {
                     scene.background.texture = texture;
                   });
                   promises.push(backgroundPromise);
+                  scene.background.textureFillMode = background.textureFillMode ?? scene.background.textureFillMode;
                 }
                 break;
             }

packages/loader/src/gltf/GLTFSchema.ts

@@ -731,7 +731,7 @@ export interface IScene extends IChildRootProperty {
   /**
    * The indices of each root node
    */
-  nodes: number[];
+  nodes?: number[];
 }
 
 /**

packages/loader/src/gltf/parser/GLTFSceneParser.ts

@@ -27,7 +27,7 @@ export class GLTFSceneParser extends GLTFParser {
 
     const engine = glTFResource.engine;
     const isDefaultScene = scene === index;
-    const sceneNodes = sceneInfo.nodes;
+    const sceneNodes = sceneInfo.nodes || [];
     let sceneRoot: Entity;
 
     if (sceneNodes.length === 1) {

packages/loader/src/resource-deserialize/resources/schema/SceneSchema.ts

@@ -1,4 +1,11 @@
-import { BackgroundMode, DiffuseMode, FogMode, ShadowCascadesMode, ShadowResolution } from "@galacean/engine-core";
+import {
+  BackgroundMode,
+  BackgroundTextureFillMode,
+  DiffuseMode,
+  FogMode,
+  ShadowCascadesMode,
+  ShadowResolution
+} from "@galacean/engine-core";
 import type { IReferable } from "@galacean/engine-core/types/asset/IReferable";
 import type { IColor, IHierarchyFile, IVector3 } from "./BasicSchema";
 
@@ -13,6 +20,7 @@ export interface IScene extends IHierarchyFile {
       mode: BackgroundMode;
       color: IColor;
       texture?: IReferable;
+      textureFillMode?: BackgroundTextureFillMode;
       skyMesh?: IReferable;
       skyMaterial?: IReferable;
     };