make games auto-reload if disconnected from server and then re-connected

add GameServer.isReloaded() you can call to tell if your game is starting because of a reload
greggman · Oct 29, 2014 · 20ea8e6 · 20ea8e6
1 parent fa0c77e
commit 20ea8e6
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Showing 3 changed files with 66 additions and 15 deletions.
diff --git a/public/hft/0.x.x/scripts/gameserver.js b/public/hft/0.x.x/scripts/gameserver.js
@@ -29,14 +29,14 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-(function() {
-
-var globalObject = this;
+(function(globalObject) {
 
 define([
+    './misc/cookies',
     './netplayer',
     './virtualsocket',
   ], function(
+    Cookie,
     NetPlayer,
     VirtualSocket) {
 
@@ -77,6 +77,21 @@ define([
         throw "you can't read the id before you've connected";
       },
     };
+    var _reloaded = false;
+
+    var readOldState = (function() {
+      var cookie = new Cookie("hft-state");
+      var content = cookie.get();
+      cookie.erase();
+
+      if (content) {
+        try {
+          var data = JSON.parse(content);
+          _reloaded = data.reload;
+        } catch (e) {
+        }
+      }
+    }());
 
     if (!options.gameId) {
       var m = /games\/([^\/]+)\//.exec(window.location.href);
@@ -235,6 +250,15 @@ define([
       return _connected;
     };
 
+    /**
+     * True if we were auto-reloaded after a disconnect.
+     * This happens if HFT stops running and then is re-started
+     * @return {Boolean} true if this is a reload.
+     */
+    this.isReloaded = function() {
+      return _reloaded;
+    };
+
     var connect_ = function() {
       _socket = options.socket || new VirtualSocket();
       _sendQueue = [];
@@ -354,5 +378,5 @@ define([
   return GameServer;
 });
 
-}());
+}(this));
 
diff --git a/public/hft/0.x.x/scripts/gamesupport.js b/public/hft/0.x.x/scripts/gamesupport.js
@@ -43,16 +43,20 @@
  */
 define([
     '../../../3rdparty/stats/stats.min',
+    './misc/cookies',
     './misc/gameclock',
     './misc/logger',
     './misc/misc',
     './hft-splash',
+    './hft-system',
   ], function(
     StatsJS,
+    Cookie,
     GameClock,
     Logger,
     Misc,
-    HFTSplash) {
+    HFTSplash,
+    HFTSystem) {
 
   var $ = function(id) {
     return document.getElementById(id);
@@ -93,17 +97,26 @@ define([
    *
    */
   var init = function(server, options) {
-    var showConnected = function() {
+    var handleConnected = function() {
       $('hft-disconnected').style.display = "none";
     }
 
-    var showDisconnected = function() {
+    var handleDisconnected = function() {
       $('hft-disconnected').style.display = "block";
+
+      var hftSystem = new HFTSystem();
+      hftSystem.on('connect', function() {
+        var cookie = new Cookie("hft-state");
+        cookie.set(JSON.stringify({
+          reload: true,
+        }), 1);
+        window.location.reload();
+      });
     }
 
     if (options.haveServer !== false && server) {
-      server.addEventListener('connect', showConnected);
-      server.addEventListener('disconnect', showDisconnected);
+      server.addEventListener('connect', handleConnected);
+      server.addEventListener('disconnect', handleDisconnected);
     }
 
     if (options.showGithub) {

diff --git a/public/hft/0.x.x/scripts/misc/cookies.js b/public/hft/0.x.x/scripts/misc/cookies.js
@@ -28,9 +28,22 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-"use strict";
 
+(function(global) {
 define(function() {
+
+  // If it node.js no cookies.
+  if (!global.document || !global.document.cookie) {
+    var noop = function() {};
+    return function() {
+      return {
+        set: noop,
+        get: noop,
+        erase: noop,
+      };
+    };
+  }
+
   /**
    * Represents a cookie.
    *
@@ -60,11 +73,10 @@ define(function() {
      */
     this.set = function(value, opt_days) {
       var expires = "";
-      if (opt_days !== undefined) {
-        var date = new Date();
-        date.setTime(Date.now() + (opt_days * 24 * 60 * 60 * 1000));
-        expires = "; expires=" + date.toGMTString();
-      }
+      opt_days = opt_days || 9999;
+      var date = new Date();
+      date.setTime(Date.now() + (opt_days * 24 * 60 * 60 * 1000) | 0);
+      expires = "; expires=" + date.toGMTString();
       var cookie = encodeURIComponent(name) + "=" + encodeURIComponent(value) + expires + "; path=" + path;
       document.cookie = cookie;
     };
@@ -98,4 +110,6 @@ define(function() {
   return Cookie;
 });
 
+}(this));
+