Add toggle double jump command/item

src/de/anura/core/AnuraCore.java

@@ -160,6 +160,7 @@ public class AnuraCore extends JavaPlugin implements PluginMessageListener {
 
             Inventories.registerInventory("FEATURES", "features_inv", ChatColor.DARK_BLUE);
             Inventories.putIntoInventory("FEATURES", 2, Inventories.buildItems(Material.LEATHER_BOOTS, "inv_lobby_double_jump", ChatColor.DARK_AQUA));
+            Inventories.registerAction("FEATURES", 2, Inventories.Action.COMMAND, "toggledbljump");
 
             Inventories.registerInventory("LANGUAGE", "Select language", ChatColor.DARK_BLUE);
             int i = 0;
@@ -306,6 +307,18 @@ public class AnuraCore extends JavaPlugin implements PluginMessageListener {
             }
             return true;
         }
+        else if(cmd.getName().equalsIgnoreCase("toggledbljump")) {
+            if(!(sender instanceof Player)) {
+                API.statusMsg(sender, "only_player_cmd", false);
+                return true;
+            }
+            if (P.getAllowFlight()) {
+                features.disableFeature(P, Features.Feature.DOUBLE_JUMP);
+            } else {
+                features.enableFeature(P, Features.Feature.DOUBLE_JUMP);
+            }
+            return true;
+        }
         else if(cmd.getName().equalsIgnoreCase("updatecommandblocks"))
         {
             if(!(sender instanceof BlockCommandSender))

src/de/anura/core/Features.java

@@ -42,6 +42,7 @@ public class Features implements Listener {
     
     private final HashMap<Player, ArrayList<Feature>> playerFeatures = new HashMap<>();
     private final HashMap<Player, Boolean> canDoubleJump = new HashMap<>();
+    private final HashMap<Player, HashMap<Feature, Boolean>> featureEnabled = new HashMap<>();
     
     public void updateFeatures(Player P)
     {
@@ -50,11 +51,13 @@ public class Features implements Listener {
             ResultSet rs = API.getMySql().querySelect("SELECT featureId FROM coreFeatures WHERE playerId = (SELECT id FROM players WHERE uuid = '"+P.getUniqueId().toString()+"')");
             resetPlayerFeatures(P);
             playerFeatures.put(P, new ArrayList<Feature>());
+            featureEnabled.put(P, new HashMap<Feature, Boolean>());
             while(rs.next())
             {
                 if(Feature.getById(rs.getInt("featureId")) != null)
                 {
                     this.addFeature(P, Feature.getById(rs.getInt("featureId")));
+                    featureEnabled.get(P).put(Feature.DOUBLE_JUMP, true);
                 }
             }
         } catch (SQLException ex) {
@@ -78,6 +81,36 @@ public class Features implements Listener {
         }
     }
     
+    public void disableFeature(Player P, Feature f) {
+        if(!mainLobby()) return;
+        if (f == Feature.DOUBLE_JUMP) {
+            if (!hasFeature(P, f)) {
+                API.statusMsg(P, "dont_have_dbl_jump", false);
+                return;
+            }
+            featureEnabled.get(P).put(f, false);
+            canDoubleJump.put(P, false);
+            API.statusMsg(P, "dbl_jump_off", true);
+            if (P.getGameMode() != GameMode.CREATIVE) {
+                P.setAllowFlight(false);
+            }
+        }
+    }
+    
+    public void enableFeature(Player P, Feature f) {
+        if(!mainLobby()) return;
+        if (f == Feature.DOUBLE_JUMP) {
+            if (!hasFeature(P, f)) {
+                API.statusMsg(P, "dont_have_dbl_jump", false);
+                return;
+            }
+            featureEnabled.get(P).put(f, true);
+            P.setAllowFlight(true);
+            canDoubleJump.put(P, true);
+            API.statusMsg(P, "dbl_jump_on", true);
+        }
+    }
+    
     public boolean hasFeature(Player P, Feature f)
     {
         if(!mainLobby()) return false;

src/plugin.yml

@@ -69,4 +69,7 @@ commands:
         usage: /<command> <player> <enable|disable>
     updatecommandblocks:
         description: Updates command blocks at the given positions
-        usage: /<command> {<x1>, <y1>, <z1>}...
+        usage: /<command> {<x1>, <y1>, <z1>}...
+    toggledbljump:
+        description: Toggles the double jump
+        usage: /<command>