Add togglegravity command

Commons/bukkit/src/main/java/tc/oc/commons/bukkit/commands/MiscCommands.java

@@ -54,6 +54,19 @@ public class MiscCommands implements Commands {
         }
     }
 
+    @Command(
+            aliases = { "togglegravity" },
+            usage = "<player>",
+            desc = "Toggle a player's gravity.",
+            min = 0,
+            max = 1
+    )
+    @CommandPermissions("togglegravity")
+    public void noGravity(final CommandContext args, final CommandSender sender) throws CommandException {
+        Player player = CommandUtils.getPlayerOrSelf(args, sender, 0);
+        player.setGravity(!player.hasGravity());
+    }
+
     @Command(
             aliases = { "sudo" },
             usage = "<player> [command... (rand|mode|near|color|*)=value]",

Commons/bukkit/src/main/java/tc/oc/commons/bukkit/listeners/LoginListener.java

@@ -144,6 +144,8 @@ public class LoginListener implements Listener, PluginFacet {
             final Player player = event.getPlayer();
             final UUID uuid = player.getUniqueId();
 
+            player.setGravity(true);
+
             this.logins.cleanUp();
             final LoginResponse response = this.logins.getIfPresent(uuid);
             this.logins.invalidate(uuid);

Lobby/src/main/java/tc/oc/lobby/bukkit/Utils.java

@@ -54,6 +54,7 @@ public class Utils {
         player.setAllowFlight(player.hasPermission("lobby.fly"));
         player.setWalkSpeed(0.2f);
         player.setFlySpeed(0.1f);
+        player.setGravity(true);
         player.setPotionParticles(false);
         player.hideTitle();
         player.getWorld().spawnParticle(Particle.CLOUD, player.getLocation(), 15, 0.5, 0.5, 0.5, 0);

PGM/src/main/java/tc/oc/pgm/spawns/states/Alive.java

@@ -69,6 +69,7 @@ public class Alive extends Participating {
         player.setVisible(true);
         player.refreshVisibility();
         bukkit.setGameMode(GameMode.SURVIVAL);
+        bukkit.setGravity(true);
 
         // Apply spawn kit
         for(Kit kit : smm.getPlayerKits()) {

PGM/src/main/java/tc/oc/pgm/spawns/states/Observing.java

@@ -43,6 +43,7 @@ public class Observing extends State {
         player.refreshVisibility();
         bukkit.setGameMode(GameMode.CREATIVE);
         bukkit.setAllowFlight(true);
+        bukkit.setGravity(true);
 
         Spawn spawn = smm.getDefaultSpawn();