[#1091] refactor Timer into an instantiable class

time (namespace) is now a default instance of the Timer class

Author: obiot

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [10.11.0] (melonJS 2) - _2022-XX-XX_
 
 ### Changed
+- Core: refactored Timer into an instantiable class with `time` (namespace) now being a default instance of the Timer class
 - Doc: replaced JSDoc by Webdoc for documentation generation (huge thanks to @ShukantPal)
 
 ### Fixed

src/state/state.js

@@ -1,7 +1,6 @@
 import { pauseTrack, resumeTrack } from "./../audio/audio.js";
 import * as fctUtil from "./../utils/function.js";
 import * as event from "./../system/event.js";
-import timer from "./../system/timer.js";
 import * as game from "./../game.js";
 import Stage from "./../state/stage.js";
 import DefaultLoadingScreen from "./../loader/loadingscreen.js";
@@ -41,9 +40,6 @@ var _pauseTime = 0;
 function _startRunLoop() {
     // ensure nothing is running first and in valid state
     if ((_animFrameId === -1) && (_state !== -1)) {
-        // reset the timer
-        timer.reset();
-
         // start the main loop
         _animFrameId = globalThis.requestAnimationFrame(_renderFrame);
     }
@@ -56,9 +52,6 @@ function _startRunLoop() {
 function _resumeRunLoop() {
     // ensure game is actually paused and in valid state
     if (_isPaused && (_state !== -1)) {
-        // reset the timer
-        timer.reset();
-
         _isPaused = false;
     }
 }
@@ -124,6 +117,9 @@ function _switchState(state) {
         // new requested state
         _startRunLoop();
 
+        // publish the pause event
+        event.emit(event.STATE_CHANGE);
+
         // execute callback if defined
         if (_onSwitchComplete) {
             _onSwitchComplete();

src/system/event.js

@@ -67,6 +67,17 @@ export const STATE_STOP = "me.state.onStop";
  */
 export const STATE_RESTART = "me.state.onRestart";
 
+/**
+ * event for when the changing to a different stage
+ * @public
+ * @constant
+ * @type {string}
+ * @name STATE_CHANGE
+ * @memberof event
+ * @see event.on
+ */
+export const STATE_CHANGE = "me.state.onChange";
+
 /**
  * event for when the video is initialized<br>
  * Data passed : none <br>