Prevent players from giving themselves unavailable characters/discs

src/main/java/emu/nebula/game/character/CharacterStorage.java

@@ -67,6 +67,11 @@ public class CharacterStorage extends PlayerManager {
             return null;
         }
         
+        // Prevent players from getting unavliable characters
+        if (!data.isAvailable()) {
+            return null;
+        }
+        
         // Create character
         var character = new GameCharacter(this.getPlayer(), data);
         
@@ -131,11 +136,16 @@ public class CharacterStorage extends PlayerManager {
     }
 
     private GameDisc addDisc(DiscDef data) {
-        // Sanity check to make sure we dont have this character already
+        // Sanity check to make sure we dont have this disc already
         if (this.hasDisc(data.getId())) {
             return null;
         }
         
+        // Prevent players from getting unavliable discs
+        if (!data.isAvailable()) {
+            return null;
+        }
+        
         // Create disc
         var disc = new GameDisc(this.getPlayer(), data);
         

src/main/java/emu/nebula/game/inventory/Inventory.java

@@ -385,6 +385,8 @@ public class Inventory extends PlayerManager implements GameDatabaseObject {
                 
                 if (disc != null) {
                     change.add(disc.toProto());
+                } else {
+                    amount = 0;
                 }
             }
             case Char -> {
@@ -396,6 +398,8 @@ public class Inventory extends PlayerManager implements GameDatabaseObject {
 
                 if (character != null) {
                     change.add(character.toProto());
+                } else {
+                    amount = 0;
                 }
             }
             case Energy -> {
@@ -466,7 +470,7 @@ public class Inventory extends PlayerManager implements GameDatabaseObject {
         // Trigger quest + achievement
         if (amount > 0) {
             this.getPlayer().trigger(QuestCondition.ItemsAdd, amount, id);
-        } else {
+        } else if (amount < 0) {
             this.getPlayer().trigger(QuestCondition.ItemsDeplete, Math.abs(amount), id);
         }