Allow MOTD to be changed dynamically

Signed-off-by: ChemistryX <[email protected]>

src/main/java/tc/oc/pgm/commands/AdminCommands.java

@@ -173,6 +173,16 @@ public static void cancel(CommandSender sender, Match match) {
         ChatColor.GREEN + AllTranslations.get().translate("command.admin.cancel.success", sender));
   }
 
+  @Command(
+      aliases = {"pgm"},
+      desc = "Reload the PGM configuration",
+      perms = Permissions.RELOAD)
+  public void pgm(CommandSender sender) {
+    PGM.get().reloadConfig();
+    sender.sendMessage(
+        ChatColor.GREEN + AllTranslations.get().translate("command.admin.pgm", sender));
+  }
+
   private static Map<String, Competitor> getCompetitorMap(CommandSender sender, Match match) {
     return match.getCompetitors().stream()
         .map(competitor -> new AbstractMap.SimpleEntry<>(competitor.getName(sender), competitor))

src/main/java/tc/oc/pgm/listeners/MotdListener.java

@@ -9,6 +9,7 @@
 import org.bukkit.event.Listener;
 import org.bukkit.event.server.ServerListPingEvent;
 import tc.oc.pgm.Config;
+import tc.oc.pgm.events.ConfigLoadEvent;
 import tc.oc.pgm.events.MatchLoadEvent;
 import tc.oc.pgm.events.MatchStateChangeEvent;
 
@@ -21,7 +22,7 @@ public class MotdListener implements Listener {
   private static final String STATE_NAME_LOWER_KEY = "state.name-lower";
 
   private static final Map<String, String> MOTD_DATA = Maps.newHashMap();
-  private final String format;
+  private String format;
 
   // Show the default MOTD until a match has loaded
   private boolean ready = false;
@@ -44,6 +45,11 @@ public void onServerListPing(ServerListPingEvent event) {
     event.setMotd(motd);
   }
 
+  @EventHandler
+  public void onConfigReload(ConfigLoadEvent event) {
+    this.format = Config.Motd.format();
+  }
+
   @EventHandler
   public void onLoad(MatchLoadEvent event) {
     MOTD_DATA.put(MAP_NAME_KEY, event.getMatch().getMapInfo().name);

src/main/java/tc/oc/server/Permissions.java

@@ -27,6 +27,7 @@ public interface Permissions {
   String DEFUSE = ROOT + ".defuse"; // Defuse tnt from observers using shears
   String DEBUG = ROOT + ".debug"; // Errors from map loading and debug commands
   String STAFF = ROOT + ".staff"; // Considered apart of the staff team
+  String RELOAD = ROOT + ".reload"; // Reload the PGM configuration
 
   // Role-specific permission nodes
   Permission DEFAULT =
@@ -69,6 +70,7 @@ public interface Permissions {
               .putAll(MODERATOR.getChildren())
               .put(GAMEPLAY, true)
               .put(DEBUG, true)
+              .put(RELOAD, true)
               .build());
 
   Permission ALL = new Permission("pgm.*", PermissionDefault.OP, DEVELOPER.getChildren());