Add 'followmap' and 'followzoom' to allow setting of map and zoom when starting to follow a player

src/main/java/org/dynmap/ClientConfigurationComponent.java

@@ -55,6 +55,10 @@ public class ClientConfigurationComponent extends Component {
                 }
                 s(t, "defaultworld", c.getString("defaultworld", defaultWorld == null ? "world" : defaultWorld.world.getName()));
                 s(t, "defaultmap", c.getString("defaultmap", defmap == null ? "surface" : defmap));
+                if(c.getString("followmap", null) != null)
+                    s(t, "followmap", c.getString("followmap"));
+                if(c.getInteger("followzoom",-1) >= 0)
+                    s(t, "followzoom", c.getInteger("followzoom", 0));
             }
         });
     }

src/main/resources/configuration.txt

@@ -277,6 +277,9 @@ check-banned-ips: true
 defaultzoom: 0
 defaultworld: world
 defaultmap: flat
+# (optional) Zoom level and map to switch to when following a player, if possible
+#followzoom: 3
+#followmap: surface
 
 # Option to enable workaround for incorrectly encoded unicode in Cyrillic MC/Bukkit (not good for other code pages)
 cyrillic-support: false

web/js/map.js

@@ -719,7 +719,15 @@ DynMap.prototype = {
 		
 		if(player) {
 			$(player.menuitem).addClass('following');
-			me.panToLocation(player.location);
+			me.panToLocation(player.location, function() {
+				if(me.options.followmap && me.world) {
+					var pmap = me.world.maps[me.options.followmap];
+					if(pmap)
+						me.selectMapAndPan(pmap);
+				}
+				if(me.options.followzoom)
+					me.map.setZoom(me.options.followzoom);
+			});
 		}
 		this.followingPlayer = player;
 	},