✨ Turret tile basis

Scripts/Entities/Enemy.cs

@@ -4,6 +4,8 @@ namespace AceFieldNewHorizon.Scripts.Entities;
 
 public partial class Enemy : CharacterBody2D
 {
+    public const string EnemyGroupName = "Enemy";
+    
     [Export] public float MoveSpeed = 150.0f;
     [Export] public float DetectionRadius = 300.0f;
     [Export] public float AttackRange = 50.0f;
@@ -29,6 +31,8 @@ public partial class Enemy : CharacterBody2D
         // Connect signals
         _detectionArea.BodyEntered += OnBodyEnteredDetection;
         _detectionArea.BodyExited += OnBodyExitedDetection;
+        
+        AddToGroup(EnemyGroupName);
     }
     
     public override void _Process(double delta)

Scripts/System/PlacementManager.cs

@@ -16,7 +16,7 @@ public partial class PlacementManager : Node2D
     [Export] public bool Enabled { get; set; } = true;
     [Export] public StringName ToggleBuildAction { get; set; } = "toggle_build";
 
-    private static readonly List<string> BuildableTiles = ["wall", "miner"];
+    private static readonly List<string> BuildableTiles = ["wall", "miner", "turret"];
     private readonly Dictionary<Node2D, BuildTask> _buildTasks = new();
     private AudioStreamPlayer _completionSound;
     private AudioStreamPlayer _buildingSound;

Scripts/Tiles/BaseTile.cs

@@ -28,7 +28,7 @@ public partial class BaseTile : Node2D
             _progressOverlay.Visible = false;
     }
 
-    public void SetGhostMode(bool canPlace)
+    public virtual void SetGhostMode(bool canPlace)
     {
         // Don't modify collision for constructing buildings
         if (IsConstructing) return;
@@ -42,7 +42,7 @@ public partial class BaseTile : Node2D
                 : new Color(1, 0, 0, 0.5f);
     }
 
-    public void FinalizePlacement()
+    public virtual void FinalizePlacement()
     {
         if (_collisionShape != null)
             _collisionShape.Disabled = false;

Scripts/Tiles/TurretTile.cs

@@ -0,0 +1,33 @@
+using Godot;
+
+namespace AceFieldNewHorizon.Scripts.Tiles;
+
+public partial class TurretTile : BaseTile
+{
+    private Sprite2D _spriteBarrel;
+
+    public override void _Ready()
+    {
+        base._Ready();
+        
+        _spriteBarrel = GetNodeOrNull<Sprite2D>("Barrel");
+    }
+
+    public override void SetGhostMode(bool canPlace)
+    {
+        base.SetGhostMode(canPlace);
+        
+        if (_spriteBarrel != null)
+            _spriteBarrel.Modulate = canPlace
+                ? new Color(0, 1, 0, 0.5f)
+                : new Color(1, 0, 0, 0.5f);
+    }
+
+    public override void FinalizePlacement()
+    {
+        base.FinalizePlacement();
+        
+        if (_spriteBarrel != null)
+            _spriteBarrel.Modulate = Colors.White;
+    }
+}

Scripts/Tiles/TurretTile.cs.uid

@@ -0,0 +1 @@
+uid://n5g6i0uovxfk