cdn support

config.js

@@ -36,12 +36,14 @@ var signGroups = [
  * Required:
  *     label : string. Displayed on the control.
  *     path  : string. Location of the rendered tiles.
+ * Optional:
+ *     base  : string. Base of the url path for tile locations, useful for serving tiles from a different server than the js/html server.
  */
 var mapTypeData=[
   {'label': 'Unlit', 'path': 'tiles'},
 //  {'label': 'Day',   'path': 'lighting/tiles'},
 //  {'label': 'Night', 'path': 'night/tiles'},
-//  {'label': 'Spawn', 'path': 'spawn/tiles'}
+//  {'label': 'Spawn', 'path': 'spawn/tiles', 'base': 'http://example.cdn.amazon.com/'}
 ];
 
 // Please leave the following variables here:

web_assets/functions.js

@@ -383,9 +383,10 @@ function initialize() {
     return new google.maps.LatLng(lat, lng);
   }
   
-function getTileUrlGenerator(path) {
+function getTileUrlGenerator(path, path_base) {
   return function(tile, zoom) {
     var url = path;
+    var url_base = ( path_base ? path_base : '' );
       if(tile.x < 0 || tile.x >= Math.pow(2, zoom) || tile.y < 0 || tile.y >= Math.pow(2, zoom)) {
         url += '/blank';
       } else if(zoom == 0) {
@@ -402,7 +403,7 @@ function getTileUrlGenerator(path) {
         var d = new Date();
         url += '?c=' + Math.floor(d.getTime() / (1000 * 60 * config.cacheMinutes));
       }
-      return(url);
+      return(path_base + url);
   }
 }
 
@@ -414,7 +415,7 @@ for (idx in mapTypeData) {
   var view = mapTypeData[idx];
 
   MCMapOptions[view.label] = {
-    getTileUrl: getTileUrlGenerator(view.path),
+    getTileUrl: getTileUrlGenerator(view.path, view.base),
     tileSize: new google.maps.Size(config.tileSize, config.tileSize),
     maxZoom:  config.maxZoom,
     minZoom:  0,