feat: add support of automatic shadows quality in babylonjs-editor-tools

Author: julien-moreau

tools/src/loading/loader.ts

@@ -15,6 +15,7 @@ import { _applyScriptsForObject, _preloadScriptsAssets } from "./script";
 
 import "./sound";
 import "./texture";
+import "./shadows";
 
 /**
  * Defines the possible output type of a script.

tools/src/loading/shadows.ts

@@ -0,0 +1,28 @@
+import { Scene } from "@babylonjs/core/scene";
+import { AssetContainer } from "@babylonjs/core/assetContainer";
+import { SceneComponentConstants } from "@babylonjs/core/sceneComponent";
+import { GetParser, AddParser } from "@babylonjs/core/Loading/Plugins/babylonFileParser.function";
+
+import { getPowerOfTwoUntil } from "../tools/scalar";
+
+const shadowsGeneratorParser = GetParser(SceneComponentConstants.NAME_SHADOWGENERATOR);
+
+AddParser(SceneComponentConstants.NAME_SHADOWGENERATOR, (parsedData: any, scene: Scene, container: AssetContainer, rootUrl: string) => {
+	if (scene.loadingQuality !== "high") {
+		parsedData.shadowGenerators?.forEach((shadowGenerator: any) => {
+			switch (scene.loadingQuality) {
+				case "medium":
+					shadowGenerator.mapSize = shadowGenerator.mapSize * 0.5;
+					break;
+
+				case "low":
+					shadowGenerator.mapSize = shadowGenerator.mapSize * 0.25;
+					break;
+			}
+
+			shadowGenerator.mapSize = Math.max(128, getPowerOfTwoUntil(shadowGenerator.mapSize));
+		});
+	}
+
+	shadowsGeneratorParser?.(parsedData, scene, container, rootUrl);
+});