feat: ✨ support UseProp and ThrowProp by default

logic/GameClass/GameObj/Character/Character.cs

@@ -464,11 +464,20 @@ namespace GameClass.GameObj
         {
             lock (gameObjLock)
             {
-                foreach (Prop prop in propInventory)
+                if (propType == PropType.Null)
                 {
-                    if (prop.GetPropType() == propType)
-                        return prop;
+                    foreach (Prop prop in propInventory)
+                    {
+                        if (prop.GetPropType() != PropType.Null)
+                            return prop;
+                    }
                 }
+                else
+                    foreach (Prop prop in propInventory)
+                    {
+                        if (prop.GetPropType() == propType)
+                            return prop;
+                    }
                 return new NullProp();
             }
         }

logic/Gaming/Game.cs

@@ -358,17 +358,17 @@ namespace Gaming
                 _ = attackManager.Attack(player, angle);
             }
         }
-        public void UseProp(long playerID, PropType propType)
+        public void UseProp(long playerID, PropType propType = PropType.Null)
         {
             if (!gameMap.Timer.IsGaming)
                 return;
             Character? player = gameMap.FindPlayer(playerID);
             if (player != null)
             {
-                propManager.UseProp(player, propType);
+                PropManager.UseProp(player, propType);
             }
         }
-        public void ThrowProp(long playerID, PropType propType)
+        public void ThrowProp(long playerID, PropType propType = PropType.Null)
         {
             if (!gameMap.Timer.IsGaming)
                 return;

logic/Gaming/PropManager.cs

@@ -21,7 +21,7 @@ namespace Gaming
 
             private readonly List<XY> availableCellForGenerateProp;
 
-            public void UseProp(Character player, PropType propType)
+            public static void UseProp(Character player, PropType propType)
             {
                 if (player.IsResetting)
                     return;