⏪ Rollback place brick feature

Scripts/Bullet.cs

@@ -5,7 +5,7 @@ namespace AceField.Scripts;
 public partial class Bullet : Area2D
 {
 	[Export] public int PlayerId = 1;
-	
+
 	[Export] public float Speed = 1500;
 	[Export] public double Damage = 8;
 
@@ -18,7 +18,11 @@ public partial class Bullet : Area2D
 		BodyEntered += body =>
 		{
 			if (body is not Player player || player.PlayerId == PlayerId) return;
-			player.TakeDamage(Damage);
+			if (body is Player p)
+			{
+				p.TakeDamage(Damage);
+			}
+
 			QueueFree();
 		};
 	}

Scripts/Logic/PlayerInput.cs

@@ -5,6 +5,7 @@ namespace AceField.Scripts.Logic;
 public partial class PlayerInput : MultiplayerSynchronizer
 {
 	[Export] public bool IsDashing;
+	[Export] public bool IsBuilding;
 	[Export] public bool IsShooting;
 	[Export] public bool IsReloading;
 
@@ -30,6 +31,10 @@ public partial class PlayerInput : MultiplayerSynchronizer
 	[Rpc(CallLocal = true)]
 	private void Reload()
 		=> IsReloading = true;
+	
+	[Rpc(CallLocal = true)]
+	private void Build()
+		=> IsBuilding = true;
 
 	public override void _Process(double delta)
 	{
@@ -46,5 +51,7 @@ public partial class PlayerInput : MultiplayerSynchronizer
 	public override void _Input(InputEvent evt)
 	{
 		if (!IsCurrentPlayer) return;
+		if (evt is InputEventMouseButton { Pressed: true })
+			Rpc(nameof(Build));
 	}
 }

Scripts/Logic/World.cs

@@ -34,7 +34,7 @@ public partial class World : Node2D
     }
 
     private static string BuildPlayerName(int id)
-        => $"Player#{id}";
+        => $"Player@{id}";
 
     private void AddPlayer_Adaptor(long id)
         => AddPlayer((int)id);
@@ -75,4 +75,15 @@ public partial class World : Node2D
 
         return null;
     }
+    
+    public T GetTileByPosition<T>(Vector2 position) where T : Node2D
+    {
+        foreach (var item in GetChildren())
+        {
+            if (item is T tile && tile.Position == position)
+                return tile;
+        }
+
+        return null;
+    }
 }

Scripts/Player.cs

@@ -28,6 +28,9 @@ public partial class Player : CharacterBody2D
 	[Export] public float PlayerDashAcceleration = 2f;
 
 	[Export] public PackedScene BulletScene;
+	[Export] public PackedScene TileScene;
+	
+	[Export] public float TileSize;
 
 	[Export] public string PlayerName;
 
@@ -82,7 +85,23 @@ public partial class Player : CharacterBody2D
 		{
 			var timer = GetNode<Timer>("ReloadTimer");
 			if (timer.IsStopped())
+			{
+				AmmoAmount = 0;
 				timer.Start();
+			}
+		}
+
+		if (PlayerInput.IsBuilding)
+		{
+			PlayerInput.IsBuilding = false;
+			
+			var target = GetGlobalMousePosition();
+			var distance = Position.DistanceTo(target);
+			if (distance <= Reach * TileSize)
+			{
+				var name = GD.Randi();
+				Rpc(nameof(AddTile), target, name.ToString());
+			}
 		}
 	}
 
@@ -121,6 +140,20 @@ public partial class Player : CharacterBody2D
 	{
 		Rpc(nameof(GotDamage), damage);
 	}
+	
+	private void Shoot()
+	{
+		if (AmmoAmount <= 0) return;
+
+		var marker = GetNode<Marker2D>("RotationCentre/Muzzle");
+		var projectile = BulletScene.Instantiate<Bullet>();
+		projectile.Transform = marker.GlobalTransform;
+		projectile.PlayerId = PlayerId;
+
+		GetParent().AddChild(projectile);
+		AmmoAmount--;
+	}
+	
 
 	[Rpc(MultiplayerApi.RpcMode.AnyPeer, CallLocal = true)]
 	private void GotDamage(double damage)
@@ -142,16 +175,16 @@ public partial class Player : CharacterBody2D
 		shakableCamera.AddTrauma(0.5f);
 	}
 
-	private void Shoot()
+	[Rpc(mode: MultiplayerApi.RpcMode.AnyPeer, CallLocal = true)]
+	public void AddTile(Vector2 pos, string name)
 	{
-		if (AmmoAmount <= 0) return;
+		if (GetParent<World>().GetTileByPosition<Node2D>(pos) != null) return;
 
-		var marker = GetNode<Marker2D>("RotationCentre/Muzzle");
-		var projectile = BulletScene.Instantiate<Bullet>();
-		projectile.Transform = marker.GlobalTransform;
-		projectile.PlayerId = PlayerId;
-
-		GetParent().AddChild(projectile);
-		AmmoAmount--;
+		var tiles = GetParent<World>();
+		var tileVec = new Vector2(50, 50);
+		var instance = TileScene.Instantiate<Node2D>();
+		instance.Name = $"Brick@{name}";
+		instance.Position = pos.Snapped(tileVec);
+		tiles.AddChild(instance);
 	}
 }