Added timestamp support to Update Tiles and Chat.

New web config to handle for jsonfile method
Modified webclient to handle timestamps to prevent duplication.
Removed duplicate code in JsonTimerTask.java

configuration.txt

@@ -42,6 +42,9 @@ web:
     # Interval the browser should poll for updates.
     updaterate: 2000
     
+    # Handles the clientside updates differently only enable if using jsonfile
+    jsonfile: false
+    
     showchatballoons: true
     showplayerfacesonmap: true
     showplayerfacesinmenu: true

src/main/java/org/dynmap/Client.java

@@ -27,19 +27,23 @@ public class Client {
         public String type = "chat";
         public String playerName;
         public String message;
+		public long timestamp;
 
-        public ChatMessage(String playerName, String message) {
+        public ChatMessage(String playerName, String message, long timestamp) {
             this.playerName = playerName;
             this.message = message;
+			this.timestamp = timestamp;
         }
     }
 
     public static class Tile {
         public String type = "tile";
         public String name;
+		public long timestamp;
 
-        public Tile(String name) {
+        public Tile(String name, long timestamp) {
             this.name = name;
+			this.timestamp = timestamp;
         }
     }
 }

src/main/java/org/dynmap/DynmapPlayerListener.java

@@ -67,6 +67,6 @@ public class DynmapPlayerListener extends PlayerListener {
      *            Relevant event details
      */
     public void onPlayerChat(PlayerChatEvent event) {
-        mgr.pushUpdate(new Client.ChatMessage(event.getPlayer().getName(), event.getMessage()));
+        mgr.pushUpdate(new Client.ChatMessage(event.getPlayer().getName(), event.getMessage(), System.currentTimeMillis()));
     }
 }

src/main/java/org/dynmap/JsonTimerTask.java

@@ -37,8 +37,6 @@ class JsonTimerTask extends TimerTask
 		long current = System.currentTimeMillis();
 
 		Client.Update update = new Client.Update();
-		update.timestamp = current;
-		update.servertime = world.getTime();
 
         update.timestamp = current;
         update.servertime = world.getTime() % 24000;

src/main/java/org/dynmap/MapManager.java

@@ -159,7 +159,7 @@ public class MapManager {
     
     public boolean render(MapTile tile) {
         boolean result = tile.getMap().render(tile, getTileFile(tile));
-        pushUpdate(tile.getWorld(), new Client.Tile(tile.getFilename()));
+        pushUpdate(tile.getWorld(), new Client.Tile(tile.getFilename(), System.currentTimeMillis()));
         return result;
     }
     

web/map.js

@@ -221,7 +221,6 @@ DynMap.prototype = {
 		$.getJSON(me.options.updateUrl + "world/" + me.world + "/" + me.lasttimestamp, function(update) {
 				me.alertbox.hide();
 			
-				me.lasttimestamp = update.timestamp;
 				me.clock.setTime(update.servertime);
 
 				var typeVisibleMap = {};
@@ -243,12 +242,16 @@ DynMap.prototype = {
 				$.each(update.updates, function(index, update) {
 					swtch(update.type, {
 						tile: function() {
-							me.onTileUpdated(update.name);
+							
+							if(me.lasttimestamp <= update.timestamp || !me.options.jsonfile)
+								me.onTileUpdated(update.name);
 						},
 						chat: function() {
 						    if (!me.options.showchatballoons)
 						    	return;
-							me.onPlayerChat(update.playerName, update.message);
+							
+							if(me.lasttimestamp <= update.timestamp  || !me.options.jsonfile)
+								me.onPlayerChat(update.playerName, update.message);
 						}
 					}, function(type) {
 						console.log('Unknown type ', value, '!');
@@ -265,6 +268,7 @@ DynMap.prototype = {
 						delete me.markers[m];
 					}
 				}
+				me.lasttimestamp = update.timestamp;
 				setTimeout(function() { me.update(); }, me.options.updaterate);
 			}, function(request, statusText, ex) {
 				me.alertbox