implement reloading

tanks-backend/TanksServer/GameLogic/CollectPowerUp.cs

@@ -21,11 +21,16 @@ internal sealed class CollectPowerUp(
                 continue;
 
             // now the tank overlaps the power up by at least 0.5 tiles
+
             tank.Magazine = tank.Magazine with
             {
                 UsedBullets = 0,
-                Type = MagazineType.Explosive
+                Type = tank.Magazine.Type | MagazineType.Explosive
             };
+
+            if (tank.ReloadingUntil >= DateTime.Now)
+                tank.ReloadingUntil = DateTime.Now;
+
             tank.Owner.Scores.PowerUpsCollected++;
             return true;
         }

tanks-backend/TanksServer/GameLogic/GameRules.cs

@@ -23,4 +23,6 @@ internal sealed class GameRules
     public int IdleTimeoutMs { get; set; }
 
     public byte MagazineSize { get; set; } = 5;
+
+    public int ReloadDelayMs { get; set; } = 3000;
 }

tanks-backend/TanksServer/GameLogic/ShootFromTanks.cs

@@ -19,12 +19,25 @@ internal sealed class ShootFromTanks(
     {
         if (!tank.Owner.Controls.Shoot)
             return;
-        if (tank.Magazine.Empty)
+
+        var now = DateTime.Now;
+        if (tank.NextShotAfter >= now)
             return;
-        if (tank.NextShotAfter >= DateTime.Now)
+        if (tank.ReloadingUntil >= now)
             return;
 
-        tank.NextShotAfter = DateTime.Now.AddMilliseconds(_config.ShootDelayMs);
+        if (tank.Magazine.Empty)
+        {
+            tank.ReloadingUntil = now.AddMilliseconds(_config.ReloadDelayMs);
+            tank.Magazine = tank.Magazine with
+            {
+                UsedBullets = 0,
+                Type = MagazineType.Basic
+            };
+            return;
+        }
+
+        tank.NextShotAfter = now.AddMilliseconds(_config.ShootDelayMs);
         tank.Magazine = tank.Magazine with
         {
             UsedBullets = (byte)(tank.Magazine.UsedBullets + 1)

tanks-backend/TanksServer/Interactivity/PlayerInfoConnection.cs

@@ -1,5 +1,4 @@
 using System.Net.WebSockets;
-using System.Text;
 using System.Text.Json;
 using TanksServer.GameLogic;
 
@@ -46,9 +45,14 @@ internal sealed class PlayerInfoConnection(
     private byte[]? GetMessageToSend()
     {
         var tank = entityManager.GetCurrentTankOfPlayer(player);
-        TankInfo? tankInfo = tank != null
-            ? new TankInfo(tank.Orientation, tank.Magazine.ToDisplayString(), tank.Position.ToPixelPosition(), tank.Moving)
-            : null;
+
+        TankInfo? tankInfo = null;
+        if (tank != null)
+        {
+            var magazine = tank.ReloadingUntil > DateTime.Now ? "[ RELOADING ]" : tank.Magazine.ToDisplayString();
+            tankInfo = new TankInfo(tank.Orientation, magazine, tank.Position.ToPixelPosition(), tank.Moving);
+        }
+
         var info = new PlayerInfo(player.Name, player.Scores, player.Controls.ToDisplayString(), tankInfo);
         var response = JsonSerializer.SerializeToUtf8Bytes(info, _context.PlayerInfo);
 

tanks-backend/TanksServer/Models/Tank.cs

@@ -31,4 +31,6 @@ internal sealed class Tank : IMapEntity
     public int Orientation => (int)Math.Round(Rotation * 16) % 16;
 
     public required Magazine Magazine { get; set; }
+
+    public DateTime ReloadingUntil { get; set; }
 }