Add minzoom setting to allow option to hide layer below specified zoom level

pom.xml

@@ -56,13 +56,13 @@
   	<dependency>
   		<groupId>org.dynmap</groupId>
   		<artifactId>dynmap-api</artifactId>
-  		<version>[0.25,)</version>
+  		<version>[0.28,)</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>org.bukkit</groupId>
   		<artifactId>bukkit</artifactId>
-  		<version>[1.0.0-R1-SNAPSHOT,)</version>
+  		<version>[1.0.1-R1-SNAPSHOT,)</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>

src/main/java/org/dynmap/factions/DynmapFactionsPlugin.java

@@ -520,11 +520,18 @@ public class DynmapFactionsPlugin extends JavaPlugin {
         this.saveConfig();  /* Save updates, if needed */
         
         /* Now, add marker set for mobs (make it transient) */
+        set = markerapi.getMarkerSet("factions.markerset");
+        if(set == null)
             set = markerapi.createMarkerSet("factions.markerset", cfg.getString("layer.name", "Factions"), null, false);
+        else
+            set.setMarkerSetLabel(cfg.getString("layer.name", "Factions"));
         if(set == null) {
             severe("Error creating marker set");
             return;
         }
+        int minzoom = cfg.getInt("layer.minzoom", 0);
+        if(minzoom > 0)
+            set.setMinZoom(minzoom);
         set.setLayerPriority(cfg.getInt("layer.layerprio", 10));
         set.setHideByDefault(cfg.getBoolean("layer.hidebydefault", false));
         use3d = cfg.getBoolean("use3dregions", false);

src/main/resources/config.yml

@@ -10,6 +10,8 @@ layer:
   hidebydefault: false
   # ordering priority in layer menu (low goes before high - default is 0)
   layerprio: 2
+  # (optional) set minimum zoom level before layer is visible (0 = defalt, always visible)
+  minzoom: 0
   
 # Format for popup - substitute values for macros
 infowindow: '<div class="infowindow"><span style="font-size:120%;">%regionname%</span><br />Flags<br /><span style="font-weight:bold;">%flags%</span></div>'