✨ Building duartion

Data/Buildings.json

@@ -1,4 +1,19 @@
 {
-  "wall": "res://Scenes/Tiles/WallTile.tscn",
+  "wall": {
-  "miner": "res://Scenes/Tiles/MinerTile.tscn"
+	"scene": "res://Scenes/Tiles/WallTile.tscn",
+	"cost": {
+	  "stone": 5
+	},
+	"durability": 100,
+	"buildTime": 1.5
+  },
+  "miner": {
+	"scene": "res://Scenes/Tiles/MinerTile.tscn",
+	"cost": {
+	  "wood": 10,
+	  "stone": 3
+	},
+	"durability": 200,
+	"buildTime": 3.0
+  }
 }

Scenes/Tiles/MinerTile.tscn

@@ -15,3 +15,9 @@ texture = ExtResource("2_mecoy")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("RectangleShape2D_8o613")
+
+[node name="ProgressOverlay" type="ColorRect" parent="."]
+offset_left = -27.0
+offset_top = -27.0
+offset_right = 27.0
+offset_bottom = 27.0

Scenes/Tiles/WallTile.tscn

@@ -15,3 +15,9 @@ texture = ExtResource("1_8o613")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("RectangleShape2D_8o613")
+
+[node name="ProgressOverlay" type="ColorRect" parent="."]
+offset_left = -27.0
+offset_top = -27.0
+offset_right = 27.0
+offset_bottom = 27.0

Scripts/System/BuildingRegistry.cs

@@ -5,7 +5,14 @@ namespace AceFieldNewHorizon.Scripts.System;
 
 public partial class BuildingRegistry : Node
 {
-	private Dictionary<string, PackedScene> _registry = new();
+	public record BuildingData(
+		PackedScene Scene,
+		Dictionary<string, int> Cost,
+		int Durability,
+		float BuildTime
+	);
+
+	private Dictionary<string, BuildingData> _registry = new();
 
 	[Export] public string JsonPath { get; set; } = "res://Data/Buildings.json";
 
@@ -38,26 +45,87 @@ public partial class BuildingRegistry : Node
 
 		foreach (string key in dict.Keys)
 		{
-			var scenePath = dict[key].AsString();
+			// Each entry is a Dictionary with keys: "scene", "cost", "durability", "buildTime"
-			var scene = GD.Load<PackedScene>(scenePath);
+			var buildingDict = dict[key].AsGodotDictionary();
 
-			if (scene != null)
+			// Parse scene
+			var scenePath = buildingDict.ContainsKey("scene") ? buildingDict["scene"].AsString() : null;
+			if (string.IsNullOrEmpty(scenePath))
 			{
-				_registry[key] = scene;
+				GD.PrintErr($"[BuildingRegistry] No scene path for '{key}'");
-				GD.Print($"[BuildingRegistry] Loaded building '{key}' from {scenePath}");
+				continue;
 			}
-			else
+
+			var scene = GD.Load<PackedScene>(scenePath);
+			if (scene == null)
 			{
 				GD.PrintErr($"[BuildingRegistry] Failed to load scene for '{key}' at {scenePath}");
+				continue;
 			}
+
+			// Parse cost
+			Dictionary<string, int> cost = new();
+			if (buildingDict.TryGetValue("cost", out var value))
+			{
+				var costDict = value.AsGodotDictionary();
+				foreach (string mat in costDict.Keys)
+				{
+					int val;
+					var obj = costDict[mat];
+					if (obj.VariantType == Variant.Type.PackedInt64Array)
+						val = (int)obj.AsInt64();
+					else if (obj.VariantType == Variant.Type.PackedInt32Array)
+						val = obj.AsInt32();
+					else
+						int.TryParse(obj.ToString(), out val);
+					cost[mat] = val;
+				}
+			}
+
+			// Parse durability
+			var durability = 0;
+			if (buildingDict.TryGetValue("durability", out var dObj))
+			{
+				if (dObj.VariantType == Variant.Type.PackedInt64Array)
+					durability = (int)dObj.AsInt64();
+				else if (dObj.VariantType == Variant.Type.PackedInt32Array)
+					durability = dObj.AsInt32();
+				else
+					int.TryParse(dObj.ToString(), out durability);
+			}
+
+			// Parse buildTime
+			var buildTime = 0f;
+			if (buildingDict.TryGetValue("buildTime", out var bObj))
+			{
+				switch (bObj.VariantType)
+				{
+					case Variant.Type.PackedFloat32Array or Variant.Type.PackedFloat64Array:
+						buildTime = (float)bObj.AsDouble();
+						break;
+					case Variant.Type.PackedInt64Array:
+						buildTime = bObj.AsInt64();
+						break;
+					case Variant.Type.PackedInt32Array:
+						buildTime = bObj.AsInt32();
+						break;
+					default:
+						float.TryParse(bObj.ToString(), out buildTime);
+						break;
+				}
+			}
+
+			var buildingData = new BuildingData(scene, cost, durability, buildTime);
+			_registry[key] = buildingData;
+			GD.Print($"[BuildingRegistry] Loaded building '{key}' from {scenePath}");
 		}
 
 		GD.Print($"[BuildingRegistry] Loaded {_registry.Count} buildings");
 	}
 
-	public PackedScene GetScene(string id)
+	public BuildingData GetBuilding(string id)
 	{
-		_registry.TryGetValue(id, out var scene);
+		_registry.TryGetValue(id, out var data);
-		return scene;
+		return data;
 	}
 }

Scripts/System/PlacementManager.cs

@@ -31,7 +31,7 @@ public partial class PlacementManager : Node2D
 
         if (_ghostBuilding == null)
         {
-            var scene = Registry.GetScene(_currentBuildingId);
+            var scene = Registry.GetBuilding(_currentBuildingId)?.Scene;
             if (scene == null) return;
             
             _ghostBuilding = (BaseTile)scene.Instantiate();
@@ -61,12 +61,17 @@ public partial class PlacementManager : Node2D
         // Left click to place
         if (Input.IsActionPressed("build_tile") && canPlace)
         {
-            var scene = Registry.GetScene(_currentBuildingId);
+            var scene = Registry.GetBuilding(_currentBuildingId)?.Scene;
             if (scene == null) return;
             
             _ghostBuilding.FinalizePlacement();
+
+            var buildingData = Registry.GetBuilding(_currentBuildingId);
             Grid.OccupyCell(_hoveredCell, _ghostBuilding);
 
+            if (buildingData is { BuildTime: > 0f })
+                _ghostBuilding.StartConstruction(buildingData.BuildTime);
+
             _ghostBuilding = (BaseTile)scene.Instantiate();
             _ghostBuilding.SetGhostMode(true);
             AddChild(_ghostBuilding);

Scripts/Tiles/BaseTile.cs

@@ -1,45 +1,75 @@
+using System.Numerics;
+using AceFieldNewHorizon.Scripts.System;
 using Godot;
+using Vector2 = Godot.Vector2;
+
+namespace AceFieldNewHorizon.Scripts.Tiles;
 
-namespace AceFieldNewHorizon.Scripts.Tiles
-{
 public partial class BaseTile : Node2D
 {
     private CollisionShape2D _collisionShape;
     private Sprite2D _sprite;
+    private ColorRect _progressOverlay;
 
     public override void _Ready()
     {
         _collisionShape = GetNodeOrNull<CollisionShape2D>("CollisionShape2D");
         _sprite = GetNodeOrNull<Sprite2D>("Sprite2D");
+        _progressOverlay = GetNodeOrNull<ColorRect>("ProgressOverlay");
+        if (_progressOverlay != null)
+            _progressOverlay.Visible = false;
     }
 
-        /// <summary>
-        /// Switch between ghost and placed mode.
-        /// </summary>
-        /// <param name="canPlace">If in ghost mode, true = green, false = red. If placed, always white.</param>
     public void SetGhostMode(bool canPlace)
     {
         if (_collisionShape != null)
-                _collisionShape.Disabled = true; // always disabled in ghost mode
+            _collisionShape.Disabled = true;
 
         if (_sprite != null)
-            {
+            _sprite.Modulate = canPlace
-                // Ghost preview coloring
+                ? new Color(0, 1, 0, 0.5f)
-                _sprite.Modulate = canPlace ? new Color(1, 1, 1, 0.2f) : // white semi-transparent
+                : new Color(1, 0, 0, 0.5f);
-                    new Color(1, 0, 0, 0.2f); // red semi-transparent
-            }
     }
 
-        /// <summary>
-        /// Call when placement is finalized.
-        /// </summary>
     public void FinalizePlacement()
     {
         if (_collisionShape != null)
             _collisionShape.Disabled = false;
-
         if (_sprite != null)
-                _sprite.Modulate = Colors.White; // reset to normal
+            _sprite.Modulate = Colors.White;
-        }
+    }
+
+    // Building progress visualization
+    public void StartConstruction(float buildTime)
+    {
+        if (_progressOverlay == null || _sprite?.Texture == null) return;
+
+        var texSize = new Vector2(GridUtils.TileSize, GridUtils.TileSize);
+
+        _progressOverlay.Visible = true;
+        _progressOverlay.Color = new Color(0, 0, 1, 0.4f); // semi-transparent blue
+
+        async void RunProgress()
+        {
+            var elapsed = 0f;
+            while (elapsed < buildTime)
+            {
+                await ToSignal(GetTree(), SceneTree.SignalName.ProcessFrame);
+                elapsed += (float)GetProcessDeltaTime();
+
+                var ratio = Mathf.Clamp(elapsed / buildTime, 0, 1);
+
+                // Fill from bottom to top, aligned with sprite center pivot
+                _progressOverlay.Size = new Vector2(texSize.X, texSize.Y * ratio);
+                _progressOverlay.Position = new Vector2(
+                    -texSize.X / 2, // align left edge
+                    texSize.Y / 2 - _progressOverlay.Size.Y // move upward
+                );
+            }
+
+            _progressOverlay.Visible = false;
+        }
+
+        RunProgress();
     }
 }