[HTML5] Export process writes sizes in template.

This allow the loading bar to be much more reliable, even in cases where
realible stream loading status is not detectable (server-side
compression, chunked encoding).

1 files changed, 5 insertions, 4 deletions

diff --git a/platform/javascript/js/engine/engine.js b/platform/javascript/js/engine/engine.js
index e2d27c4c02..19a0552c8c 100644
--- a/platform/javascript/js/engine/engine.js
+++ b/platform/javascript/js/engine/engine.js
@@ -35,14 +35,15 @@ const Engine = (function () {
 	 * Load the engine from the specified base path.
 	 *
 	 * @param {string} basePath Base path of the engine to load.
+	 * @param {number=} [size=0] The file size if known.
 	 * @returns {Promise} A Promise that resolves once the engine is loaded.
 	 *
 	 * @function Engine.load
 	 */
-	Engine.load = function (basePath) {
+	Engine.load = function (basePath, size) {
 		if (loadPromise == null) {
 			loadPath = basePath;
-			loadPromise = preloader.loadPromise(`${loadPath}.wasm`, true);
+			loadPromise = preloader.loadPromise(`${loadPath}.wasm`, size, true);
 			requestAnimationFrame(preloader.animateProgress);
 		}
 		return loadPromise;
@@ -96,7 +97,7 @@ const Engine = (function () {
 						initPromise = Promise.reject(new Error('A base path must be provided when calling `init` and the engine is not loaded.'));
 						return initPromise;
 					}
-					Engine.load(basePath);
+					Engine.load(basePath, this.config.fileSizes[`${basePath}.wasm`]);
 				}
 				const me = this;
 				function doInit(promise) {
@@ -137,7 +138,7 @@ const Engine = (function () {
 			 * @returns {Promise} A Promise that resolves once the file is loaded.
 			 */
 			preloadFile: function (file, path) {
-				return preloader.preload(file, path);
+				return preloader.preload(file, path, this.config.fileSizes[file]);
 			},
 
 			/**