💄 Optimize stuff

🍱 Retexture of the enemy portal

AceField New Horizon.csproj

@@ -4,4 +4,7 @@
     <EnableDynamicLoading>true</EnableDynamicLoading>
     <RootNamespace>AceFieldNewHorizon</RootNamespace>
   </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="SimpleInjector" Version="5.5.0" />
+  </ItemGroup>
 </Project>

Data/Buildings.json

@@ -19,8 +19,38 @@
 	"buildTime": 3.0,
 	"allowedRotations": [0],
 	"layer": 1,
+	"size": [1, 1]
+  },
+  "turret": {
+	"scene": "res://Scenes/Tiles/TurretTile.tscn",
+	"cost": {
+	  "stone": 10,
+	  "ore_iron": 5
+	},
+	"durability": 200,
+	"buildTime": 5.0,
+	"allowedRotations": [0],
+	"layer": 1,
+	"size": [1, 1]
+  },
+  "reactor": {
+	"scene": "res://Scenes/Tiles/ReactorTile.tscn",
+	"cost": {},
+	"durability": 1000,
+	"buildTime": 5.0,
+	"allowedRotations": [0],
+	"layer": 1,
 	"size": [3, 3]
   },
+  "enemy_portal": {
+	"scene": "res://Scenes/Tiles/EnemyPortalTile.tscn",
+	"cost": {},
+	"durability": 200,
+	"buildTime": 0.0,
+	"allowedRotations": [0],
+	"layer": 1,
+	"size": [1, 2]
+  },
   "ground": {
 	"scene": "res://Scenes/Tiles/GroundTile.tscn",
 	"cost": {},

Scenes/Entities/Bullet.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b5mb8tu15rc2p"
+path="res://.godot/imported/Bullet.png-db4c50cb16094f39ca6a1b9de30a2fe2.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Scenes/Entities/Bullet.png"
+dest_files=["res://.godot/imported/Bullet.png-db4c50cb16094f39ca6a1b9de30a2fe2.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Entities/Bullet.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=4 format=3 uid="uid://erqawdsydh6a"]
+
+[ext_resource type="Texture2D" uid="uid://b5mb8tu15rc2p" path="res://Scenes/Entities/Bullet.png" id="1_fi8au"]
+[ext_resource type="Script" uid="uid://vgx2a8gm7l8b" path="res://Scripts/Entities/Bullet.cs" id="1_k5b1m"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_fi8au"]
+size = Vector2(44, 12)
+
+[node name="Bullet" type="Area2D"]
+collision_mask = 2
+script = ExtResource("1_k5b1m")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.03, 0.03)
+texture = ExtResource("1_fi8au")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_fi8au")

Scenes/Entities/Enemy.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://x4u6oatvsm8y"
+path="res://.godot/imported/Enemy.png-7a121c0bc2e7a40a7fe012e488d00452.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Scenes/Entities/Enemy.png"
+dest_files=["res://.godot/imported/Enemy.png-7a121c0bc2e7a40a7fe012e488d00452.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Entities/Enemy.tscn

@@ -0,0 +1,21 @@
+[gd_scene load_steps=3 format=3 uid="uid://b3ffcucytwmk"]
+
+[ext_resource type="Script" uid="uid://cvsmy820b8dwl" path="res://Scripts/Entities/Enemy.cs" id="1_jajit"]
+[ext_resource type="Texture2D" uid="uid://x4u6oatvsm8y" path="res://Scenes/Entities/Enemy.png" id="2_jajit"]
+
+[node name="Enemy" type="CharacterBody2D"]
+collision_layer = 2
+collision_mask = 3
+script = ExtResource("1_jajit")
+
+[node name="CollisionShape2D" type="CollisionPolygon2D" parent="."]
+polygon = PackedVector2Array(-2, -21, 3, -21, 24, 6, 24, 10, 20, 14, -21, 14, -24, 11, -24, 7)
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.05, 0.05)
+texture = ExtResource("2_jajit")
+
+[node name="AttackArea" type="Area2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionPolygon2D" parent="AttackArea"]
+polygon = PackedVector2Array(-3, -24, 4, -24, 27, 5, 27, 14, 20, 19, -21, 19, -27, 14, -27, 5)

Scenes/Entities/Player.tscn

@@ -4,6 +4,7 @@
 [ext_resource type="Texture2D" uid="uid://jye6c2ehuxtg" path="res://Scenes/Entities/Player.png" id="1_ucweq"]
 
 [node name="Player" type="CharacterBody2D"]
+collision_mask = 3
 script = ExtResource("1_08t41")
 MinZoom = 0.1
 MaxZoom = 5.0

Scenes/Root.tscn

@@ -1,47 +1,30 @@
-[gd_scene load_steps=8 format=3 uid="uid://c22aprj452aha"]
+[gd_scene load_steps=6 format=3 uid="uid://c22aprj452aha"]
 
-[ext_resource type="Script" uid="uid://cudpc3w17mbsw" path="res://Scripts/System/GridManager.cs" id="1_knkkn"]
-[ext_resource type="Script" uid="uid://dfi2snip78eq6" path="res://Scripts/System/ResourceManager.cs" id="1_pl8e4"]
-[ext_resource type="Script" uid="uid://cfbj72nm0eovg" path="res://Scripts/System/BuildingRegistry.cs" id="1_sxhdm"]
 [ext_resource type="Script" uid="uid://cugfbvw70clgd" path="res://Scripts/System/NaturalResourceGenerator.cs" id="2_oss8w"]
 [ext_resource type="Script" uid="uid://bx1wj7gn6vrqe" path="res://Scripts/System/PlacementManager.cs" id="2_sxhdm"]
 [ext_resource type="PackedScene" uid="uid://doxy60afddg1m" path="res://Scenes/Entities/Player.tscn" id="3_oss8w"]
 [ext_resource type="PackedScene" uid="uid://xwkplaxmye3v" path="res://Scenes/System/ItemPickup.tscn" id="7_is6ib"]
+[ext_resource type="PackedScene" uid="uid://byv2vu0k2drdd" path="res://Scenes/System/HUD.tscn" id="8_hud_scene"]
 
 [node name="Root" type="Node2D"]
 
-[node name="ResourceSystem" type="Node" parent="."]
-script = ExtResource("1_pl8e4")
-
-[node name="BuildingRegistry" type="Node" parent="."]
-script = ExtResource("1_sxhdm")
-
-[node name="NaturalResourceGenerator" type="Node2D" parent="." node_paths=PackedStringArray("Grid", "Registry")]
+[node name="NaturalResourceGenerator" type="Node2D" parent="."]
 script = ExtResource("2_oss8w")
-Grid = NodePath("../GridSystem")
-Registry = NodePath("../BuildingRegistry")
 
-[node name="GridSystem" type="Node2D" parent="."]
-script = ExtResource("1_knkkn")
-
-[node name="PlacementSystem" type="Node2D" parent="." node_paths=PackedStringArray("Grid", "Inventory", "Registry")]
+[node name="PlacementSystem" type="Node2D" parent="."]
 script = ExtResource("2_sxhdm")
-Grid = NodePath("../GridSystem")
-Inventory = NodePath("../ResourceSystem")
-Registry = NodePath("../BuildingRegistry")
 
-[node name="Player" parent="." node_paths=PackedStringArray("Inventory") instance=ExtResource("3_oss8w")]
+[node name="Player" parent="." instance=ExtResource("3_oss8w")]
 scale = Vector2(0.35, 0.35)
-Inventory = NodePath("../ResourceSystem")
+
+[node name="HUD" parent="." instance=ExtResource("8_hud_scene")]
 
 [node name="ItemPickup" parent="." instance=ExtResource("7_is6ib")]
 position = Vector2(-496, -245)
 ItemId = "stone"
 Quantity = 64
-Infinite = true
 
 [node name="ItemPickup2" parent="." instance=ExtResource("7_is6ib")]
 position = Vector2(-495, 5)
 ItemId = "ore_iron"
 Quantity = 16
-Infinite = true

Scenes/System/HUD.tscn

@@ -0,0 +1,13 @@
+[gd_scene load_steps=2 format=3 uid="uid://byv2vu0k2drdd"]
+
+[ext_resource type="Script" uid="uid://ddoqqcg77f60v" path="res://Scripts/System/Hud.cs" id="1_yw4ou"]
+
+[node name="HUD" type="CanvasLayer"]
+script = ExtResource("1_yw4ou")
+
+[node name="ResourceDisplay" type="VBoxContainer" parent="."]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 10.0
+offset_right = 100.0
+offset_bottom = 100.0

Scenes/System/ItemPickup.tscn

@@ -4,18 +4,17 @@
 [ext_resource type="Script" uid="uid://qgcue2doj2lf" path="res://Scripts/System/ItemPickup.cs" id="1_ps3kh"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_4weev"]
-size = Vector2(160, 160)
+size = Vector2(50, 50)
 
-[node name="ItemPickup" type="Node2D"]
+[node name="ItemPickup" type="Area2D"]
 script = ExtResource("1_ps3kh")
+MagnetRange = 96.0
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 scale = Vector2(0.05, 0.05)
 texture = ExtResource("1_4weev")
 
-[node name="Area2D" type="Area2D" parent="."]
-
-[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("RectangleShape2D_4weev")
 
 [node name="Label" type="Label" parent="."]

Scenes/Tiles/EnemyPortalTile.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dv2xwfyshxdtp"
+path="res://.godot/imported/EnemyPortalTile.png-3904776a211e67c58254b1bdc9aba071.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Scenes/Tiles/EnemyPortalTile.png"
+dest_files=["res://.godot/imported/EnemyPortalTile.png-3904776a211e67c58254b1bdc9aba071.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Tiles/EnemyPortalTile.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=5 format=3 uid="uid://dup2su0s3ybcy"]
+
+[ext_resource type="Script" uid="uid://26hl5mk4mqur" path="res://Scripts/Tiles/EnemyPortalTile.cs" id="1_o543x"]
+[ext_resource type="PackedScene" uid="uid://b3ffcucytwmk" path="res://Scenes/Entities/Enemy.tscn" id="2_nh7ff"]
+[ext_resource type="Texture2D" uid="uid://dv2xwfyshxdtp" path="res://Scenes/Tiles/EnemyPortalTile.png" id="3_i4us4"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_id484"]
+size = Vector2(54, 79)
+
+[node name="EnemyPortal" type="StaticBody2D"]
+collision_layer = 0
+collision_mask = 0
+script = ExtResource("1_o543x")
+EnemyScene = ExtResource("2_nh7ff")
+TileId = "enemy_portal"
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.1, 0.1)
+texture = ExtResource("3_i4us4")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(0, -0.5)
+shape = SubResource("RectangleShape2D_id484")

Scenes/Tiles/GroundTile.tscn

@@ -8,6 +8,7 @@ size = Vector2(54, 54)
 
 [node name="GroundTile" type="StaticBody2D"]
 collision_layer = 0
+collision_mask = 0
 script = ExtResource("1_mqsaf")
 TileId = "ground"
 

Scenes/Tiles/MinerTile.tscn

@@ -1,14 +1,15 @@
-[gd_scene load_steps=4 format=3 uid="uid://cbu81slklwq3u"]
+[gd_scene load_steps=5 format=3 uid="uid://cbu81slklwq3u"]
 
 [ext_resource type="Script" uid="uid://dyubkyqtpcg3a" path="res://Scripts/Tiles/MinerTile.cs" id="1_mecoy"]
 [ext_resource type="Texture2D" uid="uid://bt6xmcgrbb078" path="res://Scenes/Tiles/MinerTile.png" id="2_mecoy"]
+[ext_resource type="PackedScene" uid="uid://xwkplaxmye3v" path="res://Scenes/System/ItemPickup.tscn" id="2_xhk0k"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_8o613"]
 size = Vector2(54, 54)
 
 [node name="MinerTile" type="StaticBody2D"]
-scale = Vector2(3, 3)
 script = ExtResource("1_mecoy")
+ItemPickup = ExtResource("2_xhk0k")
 TileId = "miner"
 
 [node name="Sprite2D" type="Sprite2D" parent="."]

Scenes/Tiles/OreIronTile.tscn

@@ -8,8 +8,9 @@ size = Vector2(54, 54)
 
 [node name="OreIronTile" type="StaticBody2D"]
 collision_layer = 0
+collision_mask = 0
 script = ExtResource("1_exnim")
-TileId = "stone_iron"
+TileId = "ore_iron"
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 position = Vector2(1.49012e-08, -9.53674e-07)

Scenes/Tiles/ReactorTile.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://fg03qxqphp7n"
+path="res://.godot/imported/ReactorTile.png-f6f5bfaa813b044011d6b0a5736b9bc6.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Scenes/Tiles/ReactorTile.png"
+dest_files=["res://.godot/imported/ReactorTile.png-f6f5bfaa813b044011d6b0a5736b9bc6.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Tiles/ReactorTile.tscn

@@ -0,0 +1,26 @@
+[gd_scene load_steps=4 format=3 uid="uid://w6ni678js7cu"]
+
+[ext_resource type="Script" uid="uid://c4k3ottt7j3b1" path="res://Scripts/Tiles/ReactorTile.cs" id="1_yldg2"]
+[ext_resource type="Texture2D" uid="uid://fg03qxqphp7n" path="res://Scenes/Tiles/ReactorTile.png" id="3_fk1vt"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_8o613"]
+size = Vector2(54, 54)
+
+[node name="ReactorTile" type="StaticBody2D"]
+script = ExtResource("1_yldg2")
+TileId = "reactor"
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.3, 0.3)
+texture = ExtResource("3_fk1vt")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+scale = Vector2(3, 3)
+shape = SubResource("RectangleShape2D_8o613")
+
+[node name="ProgressOverlay" type="ColorRect" parent="."]
+offset_left = -81.0
+offset_top = -81.0
+offset_right = -27.0
+offset_bottom = -27.0
+scale = Vector2(3, 3)

Scenes/Tiles/StoneTile.tscn

@@ -8,6 +8,7 @@ size = Vector2(54, 54)
 
 [node name="StoneTile" type="StaticBody2D"]
 collision_layer = 0
+collision_mask = 0
 script = ExtResource("1_rndy8")
 TileId = "stone"
 

Scenes/Tiles/TurretTile.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ckssi7soymu7g"
+path="res://.godot/imported/TurretTile.png-d55543f854deaa0fedf248ba979d1cb4.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Scenes/Tiles/TurretTile.png"
+dest_files=["res://.godot/imported/TurretTile.png-d55543f854deaa0fedf248ba979d1cb4.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Tiles/TurretTile.tscn

@@ -0,0 +1,39 @@
+[gd_scene load_steps=6 format=3 uid="uid://dbup2pvjl8het"]
+
+[ext_resource type="Script" uid="uid://n5g6i0uovxfk" path="res://Scripts/Tiles/TurretTile.cs" id="1_j3157"]
+[ext_resource type="Texture2D" uid="uid://ckssi7soymu7g" path="res://Scenes/Tiles/TurretTile.png" id="2_7ljeh"]
+[ext_resource type="PackedScene" uid="uid://erqawdsydh6a" path="res://Scenes/Entities/Bullet.tscn" id="2_gfad6"]
+[ext_resource type="Texture2D" uid="uid://dmbbkwgff7dej" path="res://Scenes/Tiles/TurretTileBarrel.png" id="3_gfad6"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_pndcb"]
+size = Vector2(54, 54)
+
+[node name="Turret" type="StaticBody2D"]
+script = ExtResource("1_j3157")
+BulletScene = ExtResource("2_gfad6")
+BarrelTipPath = NodePath("Barrel/Marker2D")
+TileId = "turret"
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.1, 0.1)
+texture = ExtResource("2_7ljeh")
+
+[node name="Barrel" type="Sprite2D" parent="."]
+position = Vector2(0, -3)
+scale = Vector2(0.08, 0.08)
+texture = ExtResource("3_gfad6")
+offset = Vector2(0, -54)
+
+[node name="Marker2D" type="Marker2D" parent="Barrel"]
+position = Vector2(0, -225)
+scale = Vector2(12.5, 12.5)
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_pndcb")
+
+[node name="ProgressOverlay" type="ColorRect" parent="."]
+visible = false
+offset_left = -27.0
+offset_top = -27.0
+offset_right = 27.0
+offset_bottom = 27.0

Scenes/Tiles/TurretTileBarrel.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dmbbkwgff7dej"
+path="res://.godot/imported/TurretTileBarrel.png-a9f6a29579c44d5d6ed4cc8f6c09fd72.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Scenes/Tiles/TurretTileBarrel.png"
+dest_files=["res://.godot/imported/TurretTileBarrel.png-a9f6a29579c44d5d6ed4cc8f6c09fd72.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scripts/AutoLoad/DIInitializer.cs

@@ -0,0 +1,14 @@
+using Godot;
+using AceFieldNewHorizon.Scripts.System;
+
+namespace AceFieldNewHorizon.Scripts.AutoLoad;
+
+public partial class DIInitializer : Node
+{
+    public override void _Ready()
+    {
+        // Initialize the Simple Injector container as early as possible
+        DependencyInjection.Initialize();
+        GD.Print("[DIInitializer] Dependency Injection container initialized via AutoLoad.");
+    }
+}

Scripts/AutoLoad/DIInitializer.cs.uid

@@ -0,0 +1 @@
+uid://cr2a8w6ur4uei

Scripts/Entities/Bullet.cs

@@ -0,0 +1,97 @@
+using Godot;
+
+namespace AceFieldNewHorizon.Scripts.Entities;
+
+public partial class Bullet : Area2D
+{
+    [Export] public float Speed = 400.0f;
+    [Export] public int Damage = 10;
+    [Export] public float MaxDistance = 1000.0f;
+    
+    private Vector2 _direction = Vector2.Right;
+    private Vector2 _startPosition;
+    private float _distanceTraveled = 0f;
+    private bool _hasHit = false;
+    private uint _ignoreCollisionLayer = 0; // Layer to ignore (will be set by turret)
+
+    public void Initialize(Vector2 direction, Vector2 position, float rotation, uint ignoreLayer = 0)
+    {
+        _direction = direction.Normalized();
+        Position = position;
+        Rotation = rotation;
+        _startPosition = position;
+        _ignoreCollisionLayer = ignoreLayer;
+        
+        // Connect the area entered signal
+        BodyEntered += OnBodyEntered;
+        AreaEntered += OnAreaEntered;
+    }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        if (_hasHit) return;
+        
+        // Move the bullet
+        var movement = _direction * Speed * (float)delta;
+        Position += movement;
+        _distanceTraveled += movement.Length();
+        
+        // Check if bullet has traveled max distance
+        if (_distanceTraveled >= MaxDistance)
+        {
+            QueueFree();
+            return;
+        }
+    }
+    
+    private void OnBodyEntered(Node2D body)
+    {
+        HandleCollision(body);
+    }
+    
+    private void OnAreaEntered(Area2D area)
+    {
+        HandleCollision(area);
+    }
+    
+    private void HandleCollision(Node2D node)
+    {
+        if (_hasHit) return;
+        
+        // Skip collision if it's on the ignore layer
+        if (node is PhysicsBody2D physicsBody && 
+            (physicsBody.CollisionLayer & _ignoreCollisionLayer) != 0)
+        {
+            return;
+        }
+        
+        _hasHit = true;
+        
+        // If we hit an enemy, deal damage
+        if (node is Enemy enemy)
+        {
+            // Get the global position where the bullet hit
+            var hitPosition = GlobalPosition;
+            enemy.TakeDamage(Damage, hitPosition);
+        }
+        
+        // Optional: Add hit effect here
+        // CreateHitEffect();
+        
+        // Remove the bullet
+        QueueFree();
+    }
+    
+    private void CreateHitEffect()
+    {
+        // You can add a hit effect here if desired
+        // For example, a small explosion or impact sprite
+    }
+    
+    public override void _ExitTree()
+    {
+        // Clean up signal connections
+        BodyEntered -= OnBodyEntered;
+        AreaEntered -= OnAreaEntered;
+    }
+}

Scripts/Entities/Bullet.cs.uid

@@ -0,0 +1 @@
+uid://vgx2a8gm7l8b

Scripts/Entities/Enemy.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using AceFieldNewHorizon.Scripts.Tiles;
+using Godot;
+using AceFieldNewHorizon.Scripts.System;
+
+namespace AceFieldNewHorizon.Scripts.Entities;
+
+public partial class Enemy : BaseEnemy
+{
+	// All the base functionality is now in BaseEnemy
+	// This class is kept for backward compatibility and can be used to add
+	// specific behaviors for the basic enemy type if needed
+}

Scripts/Entities/Enemy.cs.uid

@@ -0,0 +1 @@
+uid://cvsmy820b8dwl

Scripts/Entities/EnemyBase.cs

@@ -0,0 +1,283 @@
+using System.Collections.Generic;
+using AceFieldNewHorizon.Scripts.System;
+using AceFieldNewHorizon.Scripts.Tiles;
+using Godot;
+
+namespace AceFieldNewHorizon.Scripts.Entities;
+
+public abstract partial class BaseEnemy : CharacterBody2D
+{
+    public const string EnemyGroupName = "Enemy";
+
+    [Export] public float MoveSpeed = 150.0f;
+    [Export] public float DetectionRadius = 300.0f;
+    [Export] public float AttackRadius = 80.0f;
+    [Export] public int Damage = 10;
+    [Export] public float AttackCooldown = 3.0f;
+    [Export] public int MaxHealth = 100;
+    [Export] public bool ShowDamageNumbers = true;
+
+    protected BaseTile TargetTile;
+    protected ReactorTile Reactor;
+    protected float AttackTimer = 0;
+    protected Area2D DetectionArea;
+    protected Area2D AttackArea;
+    protected int CurrentHealthValue;
+    protected ProgressBar HealthBar;
+    protected GridManager Grid;
+
+    // Track collisions with potential targets
+    protected readonly HashSet<BaseTile> CollidingTiles = [];
+
+    public int CurrentHealth
+    {
+        get => CurrentHealthValue;
+        protected set
+        {
+            CurrentHealthValue = Mathf.Clamp(value, 0, MaxHealth);
+            UpdateHealthBar();
+
+            if (CurrentHealthValue <= 0)
+            {
+                Die();
+            }
+        }
+    }
+
+    public bool IsDead => CurrentHealthValue <= 0;
+
+    public override void _Ready()
+    {
+        CurrentHealthValue = MaxHealth;
+        Grid = DependencyInjection.Container.GetInstance<GridManager>();
+        Reactor = GetTree().GetFirstNodeInGroup(ReactorTile.ReactorGroupName) as ReactorTile;
+
+        InitializeHealthBar();
+        InitializeDetectionArea();
+        InitializeAttackArea();
+        
+        AddToGroup(EnemyGroupName);
+    }
+
+    protected virtual void InitializeHealthBar()
+    {
+        HealthBar = new ProgressBar
+        {
+            MaxValue = MaxHealth,
+            Value = CurrentHealthValue,
+            Size = new Vector2(40, 4),
+            ShowPercentage = false,
+            Visible = false
+        };
+
+        var healthBarContainer = new Control();
+        healthBarContainer.AddChild(HealthBar);
+        AddChild(healthBarContainer);
+        healthBarContainer.Position = new Vector2(-20, -20);
+    }
+
+    protected virtual void InitializeDetectionArea()
+    {
+        DetectionArea = new Area2D();
+        var collisionShape = new CollisionShape2D();
+        var shape = new CircleShape2D();
+        shape.Radius = DetectionRadius;
+        collisionShape.Shape = shape;
+        DetectionArea.AddChild(collisionShape);
+        AddChild(DetectionArea);
+
+        DetectionArea.BodyEntered += OnBodyEnteredDetection;
+        DetectionArea.BodyExited += OnBodyExitedDetection;
+    }
+
+    protected virtual void InitializeAttackArea()
+    {
+        AttackArea = GetNodeOrNull<Area2D>("AttackArea");
+        if (AttackArea != null)
+        {
+            AttackArea.BodyEntered += OnBodyEntered;
+            AttackArea.BodyExited += OnBodyExited;
+        }
+    }
+
+    public override void _Process(double delta)
+    {
+        if (IsDead) return;
+
+        if (TargetTile == null || TargetTile.IsDestroyed || !TargetTile.IsInsideTree())
+        {
+            UpdateTarget();
+        }
+
+        MoveTowardsTarget();
+        HandleAttacks(delta);
+    }
+
+    protected virtual void MoveTowardsTarget()
+    {
+        if (TargetTile != null)
+        {
+            var direction = GlobalPosition.DirectionTo(TargetTile.GlobalPosition);
+            Velocity = direction * MoveSpeed;
+            LookAt(TargetTile.GlobalPosition);
+            MoveAndSlide();
+        }
+    }
+
+    protected virtual void HandleAttacks(double delta)
+    {
+        if (AttackTimer > 0)
+        {
+            AttackTimer -= (float)delta;
+        }
+        else if (CollidingTiles.Count > 0)
+        {
+            foreach (var tile in CollidingTiles)
+            {
+                if (tile != null && !tile.IsDestroyed && tile.IsInsideTree())
+                {
+                    TryAttackTile(tile);
+                    break;
+                }
+            }
+        }
+    }
+
+    protected virtual void UpdateTarget()
+    {
+        // If we have a valid target in collision, use that
+        foreach (var tile in CollidingTiles)
+        {
+            if (tile != null && !tile.IsDestroyed && tile.IsInsideTree())
+            {
+                TargetTile = tile;
+                return;
+            }
+        }
+
+        // Otherwise find the reactor
+        if (Reactor != null && !Reactor.IsDestroyed && Reactor.IsInsideTree())
+        {
+            TargetTile = Reactor;
+        }
+        else
+        {
+            TargetTile = null;
+        }
+    }
+
+    protected virtual void TryAttackTile(BaseTile tile)
+    {
+        if (IsDead || tile == null || tile.IsDestroyed || !tile.IsInsideTree())
+            return;
+
+        AttackTimer = AttackCooldown;
+        bool wasDestroyed = tile.TakeDamage(Damage);
+        GD.Print($"Attacking {tile.Name} for {Damage} damage. Was destroyed: {wasDestroyed}");
+
+        if (wasDestroyed)
+        {
+            CollidingTiles.Remove(tile);
+            if (TargetTile == tile)
+            {
+                TargetTile = null;
+            }
+        }
+    }
+
+    protected virtual void OnBodyEntered(Node2D body)
+    {
+        if (body is BaseTile { IsDestroyed: false } tile && !body.IsInGroup("Hostile"))
+        {
+            GD.Print($"[Enemy] {body.Name} Entered attack range");
+            CollidingTiles.Add(tile);
+            if (TargetTile == null || TargetTile.IsDestroyed || !TargetTile.IsInsideTree())
+            {
+                TargetTile = tile;
+            }
+
+            // Attack immediately on collision
+            TryAttackTile(tile);
+        }
+    }
+
+    protected virtual void OnBodyExited(Node2D body)
+    {
+        if (body.GetParent() is BaseTile tile)
+        {
+            CollidingTiles.Remove(tile);
+            if (TargetTile == tile)
+            {
+                TargetTile = null;
+            }
+        }
+    }
+
+    protected virtual void OnBodyEnteredDetection(Node2D body)
+    {
+        // Can be overridden by derived classes
+    }
+
+    protected virtual void OnBodyExitedDetection(Node2D body)
+    {
+        // Can be overridden by derived classes
+    }
+
+    public virtual void TakeDamage(int damage, Vector2? hitPosition = null)
+    {
+        if (IsDead) return;
+
+        CurrentHealth -= damage;
+
+        // Show damage number (optional)
+        if (ShowDamageNumbers)
+        {
+            var damageLabel = new Label
+            {
+                Text = $"-{damage}",
+                Position = hitPosition ?? GlobalPosition,
+                ZIndex = 1000
+            };
+
+            GetTree().CurrentScene.AddChild(damageLabel);
+
+            // Animate and remove damage number
+            var tween = CreateTween();
+            tween.TweenProperty(damageLabel, "position:y", damageLabel.Position.Y - 30, 0.5f);
+            tween.TweenCallback(Callable.From(() => damageLabel.QueueFree())).SetDelay(0.5f);
+        }
+
+        // Visual feedback
+        var originalModulate = Modulate;
+        Modulate = new Color(1, 0.5f, 0.5f); // Flash red
+
+        var tweenFlash = CreateTween();
+        tweenFlash.TweenProperty(this, "modulate", originalModulate, 0.2f);
+    }
+
+    protected virtual void UpdateHealthBar()
+    {
+        if (HealthBar != null)
+        {
+            HealthBar.Value = CurrentHealthValue;
+            HealthBar.Visible = CurrentHealthValue < MaxHealth; // Only show when damaged
+        }
+    }
+
+    protected virtual void Die()
+    {
+        // Play death animation/sound
+        // You can add a death animation here
+
+        // Disable collisions and hide
+        SetProcess(false);
+        SetPhysicsProcess(false);
+        Hide();
+
+        // Queue free after a delay (for any death animation/sound to play)
+        var timer = new Timer();
+        AddChild(timer);
+        timer.Timeout += () => QueueFree();
+        timer.Start(0.5f);
+    }
+}

Scripts/Entities/EnemyBase.cs.uid

@@ -0,0 +1 @@
+uid://6oduws4kbdlf

Scripts/Entities/Player.cs

@@ -1,4 +1,3 @@
-using System;
 using AceFieldNewHorizon.Scripts.System;
 using Godot;
 
@@ -20,7 +19,7 @@ public partial class Player : CharacterBody2D
     [Export] public float ZoomDecay = 0.9f;
     [Export] public float ZoomSmoothing = 10.0f;
 
-    [Export] public ResourceManager Inventory;
+    public ResourceManager Inventory { get; private set; }
         
     private Camera2D _camera;
     private Vector2 _cameraTargetZoom = Vector2.One;
@@ -33,6 +32,8 @@ public partial class Player : CharacterBody2D
         _camera = GetNode<Camera2D>("Camera2D");
         _cameraTargetZoom = _camera.Zoom;
         
+        Inventory = DependencyInjection.Container.GetInstance<ResourceManager>();
+        
         AddToGroup(ItemPickup.PickupGroupName);
         AddToGroup(NaturalResourceGenerator.ChunkTrackerGroupName);
     }
@@ -60,13 +61,9 @@ public partial class Player : CharacterBody2D
         
         // If same direction as last time, accelerate
         if (direction == _lastZoomDirection && (currentTime - _lastZoomTime) < 300)
-        {
             _currentZoomSpeed = Mathf.Min(_currentZoomSpeed + ZoomAcceleration, MaxZoomSpeed);
-        }
         else
-        {
             _currentZoomSpeed = BaseZoomSpeed;
-        }
         
         _lastZoomDirection = direction;
         _lastZoomTime = currentTime;

Scripts/Root.cs

@@ -0,0 +1,27 @@
+using Godot;
+using AceFieldNewHorizon.Scripts.System;
+using SimpleInjector;
+
+namespace AceFieldNewHorizon.Scripts;
+
+public partial class Root : Node
+{
+    public override void _Ready()
+    {
+        // Dependency Injection container is now initialized via AutoLoad (DIInitializer.cs).
+
+        // Get references to the main system nodes from the scene tree
+        // and inject their dependencies.
+        // This assumes these nodes are direct children or easily accessible.
+        // You might need to adjust paths based on your scene setup.
+
+        // Example:
+        // var resourceManager = GetNode<ResourceManager>("ResourceSystem"); // Assuming ResourceManager is a child of Root
+        // DependencyInjection.Container.InjectProperties(resourceManager); // If ResourceManager had properties to inject
+
+        // For now, we'll manually resolve and assign for the main system nodes.
+        // The actual injection will happen in the _Ready methods of the system nodes themselves,
+        // by resolving from the static container.
+        // This is a common pattern when Godot instantiates the nodes.
+    }
+}

Scripts/Root.cs.uid

@@ -0,0 +1 @@
+uid://dmint8ii0oj5g

Scripts/System/BuildingRegistry.cs

@@ -40,15 +40,15 @@ public record BuildingData(
 	}
 }
 
-public partial class BuildingRegistry : Node
+public class BuildingRegistry
 {
 	private Dictionary<string, BuildingData> _registry = new();
 
-	[Export] public string JsonPath { get; set; } = "res://Data/Buildings.json";
 	
-	public override void _Ready()
+
+	public BuildingRegistry(string jsonPath)
 	{
-		LoadFromJson(JsonPath);
+		LoadFromJson(jsonPath);
 	}
 
 	public void LoadFromJson(string path)

Scripts/System/DependencyInjection.cs

@@ -0,0 +1,23 @@
+using Godot;
+using Container = SimpleInjector.Container;
+
+namespace AceFieldNewHorizon.Scripts.System;
+
+public static class DependencyInjection
+{
+    public static Container Container { get; private set; }
+
+    public static void Initialize()
+    {
+        Container = new Container();
+
+        // Register your system services here
+        // As singletons, since they are typically unique global managers
+        Container.RegisterSingleton<ResourceManager>();
+        Container.RegisterSingleton<GridManager>();
+        Container.RegisterSingleton(() => new BuildingRegistry("res://Data/Buildings.json"));
+
+        Container.Verify();
+        GD.Print("[DI] Simple Injector container initialized and verified.");
+    }
+}

Scripts/System/DependencyInjection.cs.uid

@@ -0,0 +1 @@
+uid://hppsxnesg0ys

Scripts/System/GridManager.cs

@@ -43,15 +43,33 @@ public partial class GridManager : Node
 
     public void FreeArea(Vector2I topLeft, Vector2I size, float rotation, GridLayer layer = GridLayer.Building)
     {
+        // Get all cells that should be occupied by this building
         var occupiedCells = GridUtils.GetOccupiedCells(topLeft, size, rotation);
-        foreach (var cell in occupiedCells)
+    
+        // Create a list to store cells that should be removed
+        var cellsToRemove = new List<Vector2I>();
+    
+        // First, find all cells that match this building's position and size
+        foreach (var cell in _layers[layer].Keys.ToList())
         {
-            if (_layers[layer].ContainsKey(cell))
-                _layers[layer].Remove(cell);
+            var (building, buildingSize, buildingRotation) = _layers[layer][cell];
+            var buildingCells = GridUtils.GetOccupiedCells(cell, buildingSize, buildingRotation);
+        
+            // If any of the building's cells match our target area, mark all of its cells for removal
+            if (buildingCells.Any(c => occupiedCells.Contains(c)))
+            {
+                cellsToRemove.AddRange(buildingCells);
+            }
+        }
+    
+        // Remove all marked cells
+        foreach (var cell in cellsToRemove.Distinct())
+        {
+            _layers[layer].Remove(cell);
         }
     }
 
-    public Node2D? GetBuildingAtCell(Vector2I cell, GridLayer layer = GridLayer.Building)
+    public Node2D? GetTileAtCell(Vector2I cell, GridLayer layer = GridLayer.Building)
     {
         return _layers[layer].TryGetValue(cell, out var data) ? data.Building : null;
     }

Scripts/System/Hud.cs

@@ -0,0 +1,102 @@
+using Godot;
+using System.Collections.Generic;
+
+namespace AceFieldNewHorizon.Scripts.System;
+
+public partial class Hud : CanvasLayer
+{
+	private ResourceManager _resourceManager;
+	private VBoxContainer _resourceDisplay;
+	private readonly Dictionary<string, Label> _resourceLabels = new();
+	private VBoxContainer _pickupLogContainer;
+
+	public override void _Ready()
+	{
+		_resourceDisplay = GetNode<VBoxContainer>("ResourceDisplay");
+		
+		_pickupLogContainer = new VBoxContainer();
+		_pickupLogContainer.Name = "PickupLogContainer";
+		_pickupLogContainer.SetAnchorsPreset(Control.LayoutPreset.BottomLeft);
+		_pickupLogContainer.OffsetLeft = 10;
+		_pickupLogContainer.OffsetBottom = -10; // Negative offset from bottom anchor
+		_pickupLogContainer.GrowVertical = Control.GrowDirection.Begin; // Make it grow upwards
+		AddChild(_pickupLogContainer);
+		
+		_resourceManager = DependencyInjection.Container.GetInstance<ResourceManager>(); 
+		if (_resourceManager == null)
+		{
+			GD.PushError("ResourceSystem not found in the scene tree!");
+			return;
+		}
+
+		_resourceManager.OnResourceChanged += UpdateResourceDisplay;
+		_resourceManager.OnResourcePickedUp += OnResourcePickedUp;
+		
+		// Initialize display with current resources
+		foreach (var entry in _resourceManager.GetAllResources())
+		{
+			UpdateResourceDisplay(entry.Key, entry.Value);
+		}
+	}
+
+	private void UpdateResourceDisplay(string resourceId, int newAmount)
+	{
+		if (!_resourceLabels.TryGetValue(resourceId, out Label label))
+		{
+			label = new Label();
+			_resourceDisplay.AddChild(label);
+			_resourceLabels.Add(resourceId, label);
+		}
+
+		if (newAmount <= 0)
+		{
+			// Remove label if resource amount is zero or less
+			if (label.GetParent() != null)
+			{
+				_resourceDisplay.RemoveChild(label);
+			}
+			_resourceLabels.Remove(resourceId);
+			label.QueueFree(); // Free the label from memory
+		}
+		else
+		{
+			label.Text = $"{resourceId}: {newAmount}";
+		}
+	}
+
+	private void OnResourcePickedUp(string resourceId, int amount)
+	{
+		AddPickupLogEntry($"Picked up {amount} {resourceId}!");
+	}
+
+	private void AddPickupLogEntry(string message)
+	{
+		var logLabel = new Label();
+		logLabel.Text = message;
+		_pickupLogContainer.AddChild(logLabel);
+
+		var timer = new Timer();
+		timer.WaitTime = 3.0f;
+		timer.OneShot = true;
+		timer.Autostart = true;
+		logLabel.AddChild(timer); // Add timer as child of the label
+		timer.Timeout += () => OnLogEntryTimeout(logLabel);
+	}
+
+	private void OnLogEntryTimeout(Label logLabel)
+	{
+		// Start fading out the label
+		var tween = logLabel.CreateTween();
+		tween.TweenProperty(logLabel, "modulate", new Color(1, 1, 1, 0), 0.5f); // Fade out over 0.5 seconds
+		tween.TweenCallback(Callable.From(() => logLabel.QueueFree())); // Free after fading
+	}
+
+	public override void _ExitTree()
+	{
+		if (_resourceManager != null)
+		{
+			_resourceManager.OnResourceChanged -= UpdateResourceDisplay;
+			_resourceManager.OnResourcePickedUp -= OnResourcePickedUp;
+		}
+	}
+}

Scripts/System/Hud.cs.uid

@@ -0,0 +1 @@
+uid://ddoqqcg77f60v

Scripts/System/ItemPickup.cs

@@ -1,9 +1,14 @@
+using System.Collections;
+using AceFieldNewHorizon.Scripts.Entities;
 using Godot;
 
 namespace AceFieldNewHorizon.Scripts.System;
 
-public partial class ItemPickup : Node2D
+public partial class ItemPickup : Area2D
 {
+    [Signal]
+    public delegate void StackMergedEventHandler(string itemId, int totalQuantity);
+
     public const string PickupGroupName = "ItemPickupTarget";
 
     [Export] public string ItemId { get; set; } = "";
@@ -11,6 +16,50 @@ public partial class ItemPickup : Node2D
     [Export] public bool Infinite { get; set; } = false;
     [Export] public float MagnetRange { get; set; } = 64f;
 
+    public int GetItemQuantity(string itemId)
+    {
+        if (itemId == ItemId)
+            return Quantity;
+        return 0;
+    }
+
+    public void SetItemQuantity(string itemId, int newQuantity)
+    {
+        if (itemId == ItemId)
+        {
+            Quantity = newQuantity;
+            // Update the quantity label if it exists
+            if (_quantityLabel != null)
+            {
+                if (Quantity > 1)
+                    _quantityLabel.Text = Quantity.ToString();
+                else
+                    _quantityLabel.Text = string.Empty;
+            }
+        }
+    }
+
+    public bool HasItem(string itemId)
+    {
+        return itemId == ItemId;
+    }
+
+    public void AddItem(string itemId, int amount)
+    {
+        if (itemId == ItemId)
+        {
+            Quantity += amount;
+            // Update the quantity label if it exists
+            if (_quantityLabel != null)
+            {
+                if (Quantity > 1)
+                    _quantityLabel.Text = Quantity.ToString();
+                else
+                    _quantityLabel.Text = string.Empty;
+            }
+        }
+    }
+
     private Sprite2D _sprite;
     private Label _quantityLabel;
     private Sprite2D _shadowSprite;
@@ -19,8 +68,8 @@ public partial class ItemPickup : Node2D
     // Called when the node enters the scene tree
     public override void _Ready()
     {
-        var area = GetNode<Area2D>("Area2D");
-        area.BodyEntered += OnBodyEntered;
+        BodyEntered += OnEntered;
+        AreaEntered += OnEntered;
 
         _sprite = GetNode<Sprite2D>("Sprite2D");
         UpdateTexture();
@@ -66,11 +115,9 @@ public partial class ItemPickup : Node2D
         if (_playerTarget != null)
         {
             var distance = Position.DistanceTo(_playerTarget.Position);
+            const float speed = 10f;
             if (distance <= MagnetRange)
-            {
-                float speed = 10f;
                 Position = Position.Lerp(_playerTarget.Position, (float)delta * speed);
-            }
         }
     }
 
@@ -109,15 +156,32 @@ public partial class ItemPickup : Node2D
         _sprite.Texture = texture;
     }
 
-    private void OnBodyEntered(Node body)
+    private void OnEntered(Node body)
     {
-        if (body.IsInGroup(PickupGroupName))
+        if (body is ItemPickup itemStack)
         {
-            if (body.HasMethod("AddItem"))
-                body.Call("AddItem", ItemId, Quantity);
+            // Only process the merge for the item with the lower instance ID to prevent double merging
+            if (itemStack.ItemId != ItemId || GetInstanceId() > body.GetInstanceId()) 
+                return;
+            
+            // Get current quantity and add to it
+            var currentQuantity = itemStack.GetItemQuantity(ItemId);
+            var newQuantity = currentQuantity + Quantity;
+            itemStack.SetItemQuantity(ItemId, newQuantity);
+
+            // Emit signal for stack merge
+            EmitSignal(nameof(StackMerged), ItemId, newQuantity);
+            QueueFree();
+        }
+        else if (body.IsInGroup(PickupGroupName))
+        {
+            if (body is Player player)
+            {
+                player.AddItem(ItemId, Quantity);
+            }
 
             if (!Infinite)
-                QueueFree(); // remove the pickup from the world
+                QueueFree();
         }
     }
 }

Scripts/System/NaturalResourceGenerator.cs

@@ -4,6 +4,7 @@ using Godot;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using AceFieldNewHorizon.Scripts.Entities;
+using AceFieldNewHorizon.Scripts.Tiles;
 
 namespace AceFieldNewHorizon.Scripts.System;
 
@@ -11,8 +12,8 @@ public partial class NaturalResourceGenerator : Node2D
 {
     public const string ChunkTrackerGroupName = "NrgTrackingTarget";
 
-    [Export] public GridManager Grid { get; set; }
-    [Export] public BuildingRegistry Registry { get; set; }
+    public GridManager Grid { get; private set; }
+    public BuildingRegistry Registry { get; private set; }
 
     [Export] public int ChunkSize = 16;
     [Export] public int LoadDistance = 2; // Number of chunks to load in each direction
@@ -24,6 +25,10 @@ public partial class NaturalResourceGenerator : Node2D
     [Export] public int MaxIronVeinSize = 3;
     [Export] public int Seed;
 
+    [Export] public bool SpawnEnemyNest = true;
+    [Export] public int MinDistanceFromOrigin = 20; // Minimum distance from world origin (0,0)
+    [Export] public int MaxDistanceFromOrigin = 50; // Maximum distance from world origin
+
     private const string LogPrefix = "[NaturalGeneration]";
 
     private RandomNumberGenerator _rng;
@@ -38,8 +43,39 @@ public partial class NaturalResourceGenerator : Node2D
 
     public override void _Ready()
     {
+        Grid = DependencyInjection.Container.GetInstance<GridManager>();
+        Registry = DependencyInjection.Container.GetInstance<BuildingRegistry>();
         _rng = new RandomNumberGenerator();
         _rng.Seed = (ulong)(Seed != 0 ? Seed : (int)GD.Randi());
+    
+        // Test if building registry is assigned
+        if (Registry == null)
+        {
+            GD.PrintErr($"{LogPrefix} BuildingRegistry is not assigned!");
+            return;
+        }
+    
+        // Test if enemy_portal is in the registry
+        var testBuilding = Registry.GetBuilding("enemy_portal");
+        if (testBuilding == null)
+        {
+            GD.PrintErr($"{LogPrefix} 'enemy_portal' is not found in BuildingRegistry!");
+        }
+        else
+        {
+            GD.Print($"{LogPrefix} Found enemy_portal in registry!");
+        }
+    
+        GD.Print($"{LogPrefix} NaturalResourceGenerator ready, SpawnEnemyNest = {SpawnEnemyNest}");
+        
+        GD.Print($"{LogPrefix} Spawning the core reactor...");
+        SpawnCoreReactor();
+    
+        if (SpawnEnemyNest)
+        {
+            GD.Print($"{LogPrefix} Attempting to spawn enemy nest...");
+            SpawnRandomEnemyNest();
+        }
     }
 
     public override void _Process(double delta)
@@ -120,9 +156,9 @@ public partial class NaturalResourceGenerator : Node2D
         }
 
         // Generate stone veins
-        for (int x = 0; x < ChunkSize; x++)
+        for (var x = 0; x < ChunkSize; x++)
         {
-            for (int y = 0; y < ChunkSize; y++)
+            for (var y = 0; y < ChunkSize; y++)
             {
                 var cell = new Vector2I(chunkWorldPos.X + x, chunkWorldPos.Y + y);
                 if (_rng.Randf() < StoneDensity)
@@ -130,6 +166,11 @@ public partial class NaturalResourceGenerator : Node2D
                     var veinSize = _rng.RandiRange(MinStoneVeinSize, MaxStoneVeinSize);
                     PlaceVeinInBackground(cell, "stone", veinSize, chunkData.StoneTiles);
                 }
+                else if (_rng.Randf() < IronDensity)
+                {
+                    var veinSize = _rng.RandiRange(MinIronVeinSize, MaxIronVeinSize);
+                    PlaceVeinInBackground(cell, "ore_iron", veinSize, chunkData.IronTiles);
+                }
             }
         }
 
@@ -246,9 +287,9 @@ public partial class NaturalResourceGenerator : Node2D
 
         // Remove all tiles in this chunk
         var chunkWorldPos = ChunkToWorldCoords(chunkPos);
-        for (int x = 0; x < ChunkSize; x++)
+        for (var x = 0; x < ChunkSize; x++)
         {
-            for (int y = 0; y < ChunkSize; y++)
+            for (var y = 0; y < ChunkSize; y++)
             {
                 var cell = new Vector2I(chunkWorldPos.X + x, chunkWorldPos.Y + y);
                 // Free a 1x1 area for each cell
@@ -355,13 +396,47 @@ public partial class NaturalResourceGenerator : Node2D
         GD.Print($"{LogPrefix} Finished placing vein - placed {placedCount}/{maxSize} {tileType} tiles");
     }
 
+    private void SpawnCoreReactor()
+    {
+        // Place the reactor tile at the center of the map
+        PlaceTile("reactor", new Vector2I(0, 0));
+    }
+
+    private void SpawnRandomEnemyNest()
+    {
+        // Generate a random position within the specified distance from origin
+        var angle = _rng.Randf() * Mathf.Pi * 2;
+        var distance = _rng.RandfRange(MinDistanceFromOrigin, MaxDistanceFromOrigin);
+        var offset = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle)) * distance;
+        var nestPosition = new Vector2I((int)offset.X, (int)offset.Y);
+        
+        // Try to find a valid position for the nest
+        var attempts = 0;
+        const int maxAttempts = 10;
+        
+        while (attempts < maxAttempts)
+        {
+            if (PlaceTile("enemy_portal", nestPosition))
+            {
+                GD.Print($"{LogPrefix} Placed enemy nest at {nestPosition}");
+                return;
+            }
+            
+            // Try a different position if placement failed
+            angle = _rng.Randf() * Mathf.Pi * 2;
+            distance = _rng.RandfRange(MinDistanceFromOrigin, MaxDistanceFromOrigin);
+            offset = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle)) * distance;
+            nestPosition = new Vector2I((int)offset.X, (int)offset.Y);
+            attempts++;
+        }
+        
+        GD.PrintErr($"{LogPrefix} Failed to place enemy nest after {maxAttempts} attempts");
+    }
+
     private bool PlaceTile(string tileType, Vector2I cell)
     {
         try
         {
-            // First, remove any existing tile at this position
-            Grid.FreeArea(cell, Vector2I.One, 0f, GridLayer.Ground);
-
             var building = Registry.GetBuilding(tileType);
             if (building == null)
             {
@@ -369,6 +444,12 @@ public partial class NaturalResourceGenerator : Node2D
                 return false;
             }
 
+            // Free area for ground layer if needed
+            if (building.Layer == GridLayer.Ground)
+                Grid.FreeArea(cell, building.Size, 0f, GridLayer.Ground);
+            else
+                GD.Print($"{LogPrefix} Attempting placing building tile {tileType} at {cell}.");
+
             var scene = building.Scene;
             if (scene == null)
             {
@@ -376,25 +457,29 @@ public partial class NaturalResourceGenerator : Node2D
                 return false;
             }
 
-            if (scene.Instantiate() is not Node2D instance)
+            if (scene.Instantiate() is not BaseTile instance)
             {
                 GD.PrintErr($"{LogPrefix} Failed to instantiate scene for: {tileType}");
                 return false;
             }
 
-            // Use the same positioning logic as PlacementManager
-            var rotatedSize = building.GetRotatedSize(0f); // 0f for no rotation
-            var offset = GridUtils.GetCenterOffset(rotatedSize, 0f); // 0f for no rotation
-            instance.GlobalPosition = GridUtils.GridToWorld(cell) + offset;
+            // Calculate position with proper offset based on building size
+            var rotatedSize = building.GetRotatedSize(0f);
+            var offset = GridUtils.GetCenterOffset(rotatedSize, 0f);
+            
             instance.ZIndex = (int)building.Layer;
+            instance.GlobalPosition = GridUtils.GridToWorld(cell) + offset;
             AddChild(instance);
+            
+            // Occupy the appropriate area based on building size
             Grid.OccupyArea(cell, instance, building.Size, 0f, building.Layer);
-            // GD.Print($"{LogPrefix} Successfully placed {tileType} at {cell}");
+            
             return true;
         }
         catch (Exception e)
         {
             GD.PrintErr($"{LogPrefix} Error placing {tileType} at {cell}: {e.Message}");
+            GD.Print($"{LogPrefix} Stack trace: {e.StackTrace}");
             return false;
         }
     }

Scripts/System/PlacementManager.cs

@@ -8,15 +8,15 @@ namespace AceFieldNewHorizon.Scripts.System;
 
 public partial class PlacementManager : Node2D
 {
-    [Export] public GridManager Grid { get; set; }
-    [Export] public ResourceManager Inventory { get; set; }
-    [Export] public BuildingRegistry Registry { get; set; }
+    public GridManager Grid { get; private set; }
+    public ResourceManager Inventory { get; private set; }
+    public BuildingRegistry Registry { get; private set; }
 
     [Export] public int MaxConcurrentBuilds { get; set; } = 6; // Make it adjustable in editor
     [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;
@@ -30,6 +30,10 @@ public partial class PlacementManager : Node2D
     {
         base._Ready();
 
+        Grid = DependencyInjection.Container.GetInstance<GridManager>();
+        Inventory = DependencyInjection.Container.GetInstance<ResourceManager>();
+        Registry = DependencyInjection.Container.GetInstance<BuildingRegistry>();
+
         // Setup completion sound
         _completionSound = CreateAudioPlayer("res://Sounds/Events/ConstructionComplete.wav");
         _buildingSound = CreateAudioPlayer("res://Sounds/Events/Building.wav");
@@ -222,6 +226,20 @@ public partial class PlacementManager : Node2D
                 return;
             }
 
+            // First check if area is free
+            if (!IsAreaFree(_hoveredCell, building.Size, _currentRotation, building.Layer))
+            {
+                // Check if the area is occupied by under-construction tiles
+                var occupiedCells = GridUtils.GetOccupiedCells(_hoveredCell, building.Size, _currentRotation);
+                var isUnderConstruction = occupiedCells.Any(cell =>
+                    Grid.GetTileAtCell(cell, building.Layer) is BaseTile { IsConstructing: true });
+
+                if (!isUnderConstruction)
+                    _cannotDeploySound.Play();
+
+                return;
+            }
+            
             // Consume resources first
             if (!ConsumeBuildingResources(_currentBuildingId))
             {
@@ -229,7 +247,7 @@ public partial class PlacementManager : Node2D
                 return;
             }
 
-            // Create the building instance first
+            // Create the building instance
             var scene = building.Scene;
             var buildingInstance = (BaseTile)scene.Instantiate();
             buildingInstance.RotationDegrees = _currentRotation;
@@ -237,15 +255,6 @@ public partial class PlacementManager : Node2D
             buildingInstance.Position = _ghostBuilding.Position;
             AddChild(buildingInstance);
 
-            // First check if area is free
-            if (!IsAreaFree(_hoveredCell, building.Size, _currentRotation, building.Layer))
-            {
-                _cannotDeploySound.Play();
-                RefundBuildingResources(_currentBuildingId);
-                buildingInstance.QueueFree();
-                return;
-            }
-
             // If we get here, area is free, so we can safely occupy it
             Grid.OccupyArea(_hoveredCell, buildingInstance, building.Size, _currentRotation, building.Layer);
 
@@ -282,7 +291,7 @@ public partial class PlacementManager : Node2D
             !Grid.IsAreaFree(_hoveredCell, Vector2I.One, 0f))
         {
             // Right click to destroy from current layer
-            var building = Grid.GetBuildingAtCell(_hoveredCell);
+            var building = Grid.GetTileAtCell(_hoveredCell);
             if (building == null) return;
 
             // Find all cells occupied by this building
@@ -419,32 +428,28 @@ public static class GridManagerExtensions
     public static (Vector2I Position, Vector2I Size, float Rotation)? GetBuildingInfoAtCell(this GridManager grid,
         Vector2I cell, GridLayer layer)
     {
-        if (grid.GetBuildingAtCell(cell, layer) is { } building)
+        if (grid.GetTileAtCell(cell, layer) is not { } building) return null;
+        // Find the top-left position of the building
+        for (var x = 0; x < 100; x++) // Arbitrary max size
         {
-            // Find the top-left position of the building
-            for (int x = 0; x < 100; x++) // Arbitrary max size
+            for (var y = 0; y < 100; y++)
             {
-                for (int y = 0; y < 100; y++)
-                {
-                    var checkCell = new Vector2I(cell.X - x, cell.Y - y);
-                    if (grid.GetBuildingAtCell(checkCell, layer) == building)
-                    {
-                        // Found the top-left corner, now find the size
-                        var size = Vector2I.One;
-                        // Search right
-                        while (grid.GetBuildingAtCell(new Vector2I(checkCell.X + size.X, checkCell.Y), layer) ==
-                               building)
-                            size.X++;
-                        // Search down
-                        while (grid.GetBuildingAtCell(new Vector2I(checkCell.X, checkCell.Y + size.Y), layer) ==
-                               building)
-                            size.Y++;
+                var checkCell = new Vector2I(cell.X - x, cell.Y - y);
+                if (grid.GetTileAtCell(checkCell, layer) != building) continue;
+                // Found the top-left corner, now find the size
+                var size = Vector2I.One;
+                // Search right
+                while (grid.GetTileAtCell(new Vector2I(checkCell.X + size.X, checkCell.Y), layer) ==
+                       building)
+                    size.X++;
+                // Search down
+                while (grid.GetTileAtCell(new Vector2I(checkCell.X, checkCell.Y + size.Y), layer) ==
+                       building)
+                    size.Y++;
 
-                        // Get rotation from the first cell
-                        var rotation = 0f; // You'll need to store rotation in GridManager to make this work
-                        return (checkCell, size, rotation);
-                    }
-                }
+                // Get rotation from the first cell
+                var rotation = 0f; // You'll need to store rotation in Grid to make this work
+                return (checkCell, size, rotation);
             }
         }
 

Scripts/System/ResourceManager.cs

@@ -14,6 +14,10 @@ public partial class ResourceManager : Node
     [Signal]
     public delegate void OnResourceChangedEventHandler(string resourceId, int newAmount);
     
+    // Event for when resources are picked up (added)
+    [Signal]
+    public delegate void OnResourcePickedUpEventHandler(string resourceId, int amount);
+
     public override void _Ready()
     {
         base._Ready();
@@ -43,6 +47,7 @@ public partial class ResourceManager : Node
         }
 
         EmitSignal(nameof(OnResourceChanged), resourceId, _resources[resourceId]);
+        EmitSignal(nameof(OnResourcePickedUp), resourceId, amount);
     }
 
     // Remove resources of a specific type

Scripts/Tiles/BaseTile.cs

@@ -10,25 +10,44 @@ public partial class BaseTile : Node2D
 {
     [Export] public string TileId { get; set; }
 
+    protected GridManager Grid { get; set; }
+    protected BuildingRegistry Registry { get; set; }
+
+    public int MaxDurability { get; private set; }
+    public int CurrentDurability { get; private set; }
+    public bool IsDestroyed { get; private set; }
+
     private CollisionShape2D _collisionShape;
     private Sprite2D _sprite;
     private ColorRect _progressOverlay;
     private Action _onConstructionComplete;
-    private bool _isConstructing = false;
+    private Tween _damageTween;
+
+    public bool IsConstructing;
+    public bool IsConstructed;
 
     public override void _Ready()
     {
+        Grid = DependencyInjection.Container.GetInstance<GridManager>();
+        Registry = DependencyInjection.Container.GetInstance<BuildingRegistry>();
+
         _collisionShape = GetNodeOrNull<CollisionShape2D>("CollisionShape2D");
         _sprite = GetNodeOrNull<Sprite2D>("Sprite2D");
         _progressOverlay = GetNodeOrNull<ColorRect>("ProgressOverlay");
         if (_progressOverlay != null)
             _progressOverlay.Visible = false;
+
+        // Get durability from BuildingRegistry
+        var buildingData = Registry?.GetBuilding(TileId);
+        MaxDurability = buildingData?.Durability ?? 100; // Default to 100 if not found
+        CurrentDurability = MaxDurability;
+        IsDestroyed = false;
     }
 
-    public void SetGhostMode(bool canPlace)
+    public virtual void SetGhostMode(bool canPlace)
     {
         // Don't modify collision for constructing buildings
-        if (_isConstructing) return;
+        if (IsConstructing) return;
 
         if (_collisionShape != null)
             _collisionShape.Disabled = true;
@@ -39,7 +58,7 @@ 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;
@@ -47,16 +66,91 @@ public partial class BaseTile : Node2D
             _sprite.Modulate = Colors.White;
     }
 
+    public virtual bool TakeDamage(int damage)
+    {
+        if (IsDestroyed || IsConstructing) return false;
+
+        GD.Print($"[Tile] {TileId} {GetInstanceId()} took {damage} damage");
+
+        CurrentDurability = Mathf.Max(0, CurrentDurability - damage);
+
+        // Visual feedback for taking damage
+        ShowDamageEffect();
+
+        if (CurrentDurability <= 0)
+        {
+            Destroy();
+            return true; // Tile was destroyed
+        }
+
+        return false; // Tile is still alive
+    }
+
+    private void ShowDamageEffect()
+    {
+        if (_sprite == null) return;
+
+        // Cancel any existing tween
+        _damageTween?.Kill();
+        _damageTween = CreateTween();
+
+        // Flash red briefly
+        _damageTween.TweenProperty(_sprite, "modulate", Colors.Red, 0.1f);
+        _damageTween.TweenProperty(_sprite, "modulate", Colors.White, 0.1f);
+
+        // Shake effect
+        var originalPosition = _sprite.Position;
+        _damageTween.TweenMethod(
+            Callable.From<Vector2>(pos => _sprite.Position = pos),
+            originalPosition + new Vector2(-2, -2),
+            originalPosition + new Vector2(2, 2),
+            0.05f
+        ).SetTrans(Tween.TransitionType.Bounce).SetEase(Tween.EaseType.InOut);
+
+        _damageTween.TweenMethod(
+            Callable.From<Vector2>(pos => _sprite.Position = pos),
+            originalPosition + new Vector2(2, 2),
+            originalPosition,
+            0.05f
+        ).SetTrans(Tween.TransitionType.Bounce).SetEase(Tween.EaseType.InOut);
+    }
+
+    public virtual void Destroy()
+    {
+        if (IsDestroyed) return;
+
+        IsDestroyed = true;
+
+        // Disable collision using SetDeferred to avoid physics update conflicts
+        _collisionShape?.SetDeferred("disabled", true);
+
+        // Fade out and remove
+        var tween = CreateTween();
+        tween.TweenProperty(this, "modulate:a", 0f, 0.3f);
+        tween.TweenCallback(Callable.From(() => CallDeferred("queue_free")));
+
+        // Emit signal or call method when tile is destroyed
+        CallDeferred(nameof(OnTileDestroyed));
+    }
+
+    protected virtual void OnTileDestroyed()
+    {
+        // Can be overridden by derived classes for custom destruction behavior
+        var cell = GridUtils.WorldToGrid(Position);
+        var buildingInfo = Registry.GetBuilding(TileId);
+        Grid.FreeArea(cell, buildingInfo.Size, Rotation, buildingInfo.Layer);
+    }
+
     // Building progress visualization
     public void StartConstruction(float buildTime, Action onComplete = null)
     {
-        _isConstructing = true;
+        IsConstructing = true;
         if (_collisionShape != null)
             _collisionShape.Disabled = true;
 
         if (_progressOverlay == null || _sprite?.Texture == null)
         {
-            _isConstructing = false;
+            IsConstructing = false;
             onComplete?.Invoke();
             return;
         }
@@ -97,11 +191,12 @@ public partial class BaseTile : Node2D
             if (_sprite != null)
                 _sprite.Modulate = Colors.White;
 
-            _isConstructing = false;
+            IsConstructing = false;
             if (_collisionShape != null)
                 _collisionShape.Disabled = false;
 
             _onConstructionComplete?.Invoke();
+            IsConstructed = true;
         }
 
         RunProgress();

Scripts/Tiles/EnemyPortalTile.cs

@@ -0,0 +1,129 @@
+using AceFieldNewHorizon.Scripts.Entities;
+using Godot;
+
+namespace AceFieldNewHorizon.Scripts.Tiles;
+
+public partial class EnemyPortalTile : BaseTile
+{
+	[Export] public PackedScene EnemyScene;
+	[Export] public int MaxEnemies = 5;
+	[Export] public float SpawnDelay = 5.0f; // Time between spawn attempts
+	[Export] public float SpawnRadius = 50.0f; // Radius around the nest where enemies can spawn
+	[Export] public bool Active = true;
+	
+	private Timer _spawnTimer;
+	private int _currentEnemyCount;
+
+	public override void _Ready()
+	{
+		base._Ready();
+		
+		// Add to Hostile group to prevent enemies from attacking their own nest
+		AddToGroup("Hostile");
+		
+		// Create and configure the timer
+		_spawnTimer = new Timer
+		{
+			Autostart = true,
+			WaitTime = SpawnDelay
+		};
+		AddChild(_spawnTimer);
+		_spawnTimer.Timeout += OnSpawnTimerTimeout;
+
+		var sprite = GetNode<Sprite2D>("Sprite2D");
+		
+		// Create and configure the shadow sprite
+		var shadow = new Sprite2D
+		{
+			Texture = sprite.Texture,
+			Scale = sprite.Scale * 1.05f, // Slightly larger than the original
+			Modulate = new Color(0, 0, 0, 0.5f), // Slightly more transparent
+			Position = new Vector2(0, 6), // Closer to the sprite (reduced from 30)
+			ZIndex = -1
+		};
+		AddChild(shadow);
+		
+		// Create floating animation
+		const float floatOffset = 5.0f;
+		const float floatDuration = 2.0f;
+		
+		var tween = CreateTween().SetLoops();
+		tween.TweenProperty(sprite, "position:y", -floatOffset, floatDuration)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine);
+		tween.TweenProperty(sprite, "position:y", floatOffset, floatDuration * 2)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine);
+		tween.TweenProperty(sprite, "position:y", 0, floatDuration)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine);
+		
+		// Animate shadow
+		tween.Parallel().TweenProperty(shadow, "position:y", 12 - (floatOffset * 0.3f), floatDuration)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine);
+		tween.Parallel().TweenProperty(shadow, "scale", sprite.Scale * 1.02f, floatDuration)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine);
+		tween.Parallel().TweenProperty(shadow, "modulate:a", 0.6f, floatDuration)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine);
+		
+		tween.Parallel().TweenProperty(shadow, "position:y", 12 + (floatOffset * 0.4f), floatDuration * 2)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine)
+			.SetDelay(floatDuration);
+		tween.Parallel().TweenProperty(shadow, "scale", sprite.Scale * 1.08f, floatDuration * 2)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine)
+			.SetDelay(floatDuration);
+		tween.Parallel().TweenProperty(shadow, "modulate:a", 0.4f, floatDuration * 2)
+			.SetEase(Tween.EaseType.InOut)
+			.SetTrans(Tween.TransitionType.Sine)
+			.SetDelay(floatDuration);
+	}
+
+	private void OnSpawnTimerTimeout()
+	{
+		if (!Active || EnemyScene == null || _currentEnemyCount >= MaxEnemies)
+			return;
+
+		// Check if we can spawn more enemies
+		var enemies = GetTree().GetNodesInGroup("Enemy");
+		_currentEnemyCount = enemies.Count;
+		
+		if (_currentEnemyCount >= MaxEnemies)
+			return;
+
+		// Spawn a new enemy
+		var enemy = EnemyScene.Instantiate<Enemy>();
+		if (enemy != null)
+		{
+			GetParent().AddChild(enemy);
+			
+			// Calculate a random position within the spawn radius
+			var randomAngle = GD.Randf() * Mathf.Pi * 2;
+			var randomOffset = new Vector2(
+				Mathf.Cos(randomAngle) * SpawnRadius,
+				Mathf.Sin(randomAngle) * SpawnRadius
+			);
+			
+			enemy.GlobalPosition = GlobalPosition + randomOffset;
+			_currentEnemyCount++;
+			
+			// Connect to the enemy's death signal if available
+			enemy.TreeExiting += () => OnEnemyDied();
+		}
+	}
+	
+	private void OnEnemyDied()
+	{
+		_currentEnemyCount = Mathf.Max(0, _currentEnemyCount - 1);
+	}
+	
+	public void SetActive(bool active)
+	{
+		Active = active;
+		_spawnTimer.Paused = !active;
+	}
+}

Scripts/Tiles/EnemyPortalTile.cs.uid

@@ -0,0 +1 @@
+uid://26hl5mk4mqur

Scripts/Tiles/GroundTile.cs

@@ -8,6 +8,7 @@ public partial class GroundTile : BaseTile
 	{
 		var sprite = GetNode<Sprite2D>("Sprite2D");
 		sprite.Modulate = new Color(0.75f, 0.75f, 0.75f); // Makes the sprite 25% darker	
+		sprite.ZIndex = -10;
 		
 		base._Ready();
 	}

Scripts/Tiles/MinerTile.cs

@@ -1,8 +1,83 @@
+using AceFieldNewHorizon.Scripts.System;
 using Godot;
 
 namespace AceFieldNewHorizon.Scripts.Tiles;
 
 public partial class MinerTile : BaseTile
 {
+    [Export] public PackedScene ItemPickup { get; set; }
+    [Export] public string ItemToMine { get; set; }
+    [Export] public int MiningRate = 1; // Items per second
 
+    private Vector2I _gridPosition;
+    private float _timeSinceLastMine;
+
+    public override void _Ready()
+    {
+        base._Ready();
+        _gridPosition = GridUtils.WorldToGrid(Position);
+
+        var ground = Grid.GetTileAtCell(_gridPosition, GridLayer.Ground) as BaseTile;
+        if (ground == null)
+        {
+            GD.Print($"[Miner] Miner {GetInstanceId()} not found available resource...");
+            return;
+        }
+
+        ItemToMine = (ground.TileId) switch
+        {
+            "stone" => "stone",
+            "ore_iron" => "ore_iron",
+            _ => null
+        };
+        if (ItemToMine == null)
+            GD.Print($"[Miner] Miner {GetInstanceId()} not found available resource...");
+    }
+
+    public override void _Process(double delta)
+    {
+        if (ItemToMine == null)
+            return;
+        
+        // Don't mine if building is not completed
+        if (!IsConstructed || ItemPickup == null)
+            return;
+
+        _timeSinceLastMine += (float)delta;
+
+        if (!(_timeSinceLastMine >= 1f / MiningRate)) return;
+        _timeSinceLastMine = 0f;
+        SpawnItem();
+    }
+
+    private void SpawnItem()
+    {
+        var itemPickup = ItemPickup?.Instantiate<ItemPickup>();
+        if (itemPickup == null) return;
+
+        itemPickup.ItemId = ItemToMine;
+        itemPickup.Quantity = 1;
+
+        // Initial position (slightly below the spawn point)
+        const int halfTileSize = GridUtils.TileSize / 2;
+        var spawnPosition = GridUtils.GridToWorld(_gridPosition);
+        var targetY = spawnPosition.Y - halfTileSize; // Target Y position
+        var targetX = spawnPosition.X + halfTileSize + (GD.Randf() * 10f - 5f);
+        itemPickup.Position =
+            new Vector2(spawnPosition.X + halfTileSize, spawnPosition.Y + 16); // Start below
+        itemPickup.Scale = Vector2.Zero; // Start invisible
+
+        // Add to the scene
+        GetTree().CurrentScene.AddChild(itemPickup);
+
+        // Create the pop-up animation
+        var tween = CreateTween().SetTrans(Tween.TransitionType.Elastic).SetEase(Tween.EaseType.Out);
+
+        // Animate the pop-up effect
+        tween.TweenProperty(itemPickup, "position:y", targetY, 0.6f);
+        tween.Parallel().TweenProperty(itemPickup, "scale", Vector2.One, 0.6f);
+
+        // Optional: Add a slight horizontal wobble
+        tween.Parallel().TweenProperty(itemPickup, "position:x", targetX, 0.6f);
+    }
 }

Scripts/Tiles/ReactorTile.cs

@@ -0,0 +1,13 @@
+namespace AceFieldNewHorizon.Scripts.Tiles;
+
+public partial class ReactorTile : BaseTile
+{
+    public static readonly string ReactorGroupName = "Reactor";
+
+    public override void _Ready()
+    {
+        base._Ready();
+        
+        AddToGroup(ReactorGroupName);
+    }
+}

Scripts/Tiles/ReactorTile.cs.uid

@@ -0,0 +1 @@
+uid://c4k3ottt7j3b1

Scripts/Tiles/TurretTile.cs

@@ -0,0 +1,127 @@
+using System.Linq;
+using AceFieldNewHorizon.Scripts.Entities;
+using Godot;
+
+namespace AceFieldNewHorizon.Scripts.Tiles;
+
+public partial class TurretTile : BaseTile
+{
+    [Export] public PackedScene BulletScene;
+    
+    [Export] public float RotationSpeed = 2.0f; // Radians per second
+    [Export] public float AttackRange = 300.0f;
+    [Export] public float AttackCooldown = 0.5f;
+    [Export] public int Damage = 10;
+    [Export] public float BulletSpeed = 400.0f;
+    [Export] public NodePath BarrelTipPath;
+    
+    private Node2D _spriteBarrel;
+    private Node2D _barrelTip;
+    private float _attackTimer = 0;
+    private bool _hasTarget = false;
+
+    public override void _Ready()
+    {
+        base._Ready();
+
+        _spriteBarrel = GetNodeOrNull<Node2D>("Barrel");
+        _barrelTip = GetNodeOrNull<Node2D>(BarrelTipPath);
+        
+        if (_barrelTip == null && _spriteBarrel != null)
+        {
+            // If no barrel tip is specified, use the end of the barrel sprite
+            _barrelTip = _spriteBarrel.GetNodeOrNull<Node2D>("BarrelTip");
+        }
+    }
+
+    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;
+    }
+
+    public override void _Process(double delta)
+    {
+        if (!IsConstructed) return;
+
+        // Update attack cooldown
+        if (_attackTimer > 0)
+        {
+            _attackTimer -= (float)delta;
+        }
+
+        // Find the nearest enemy
+        var enemies = GetTree().GetNodesInGroup(Enemy.EnemyGroupName)
+            .OfType<Enemy>()
+            .Where(e => e.GlobalPosition.DistanceTo(GlobalPosition) <= AttackRange)
+            .OrderBy(e => e.GlobalPosition.DistanceTo(GlobalPosition))
+            .ToList();
+
+        if (enemies.Count > 0)
+        {
+            var nearestEnemy = enemies[0];
+            _hasTarget = true;
+            
+            // Calculate target angle
+            var direction = (nearestEnemy.GlobalPosition - _barrelTip.GlobalPosition).Normalized();
+            var targetAngle = direction.Angle() + 90f;
+
+            // Smoothly rotate towards target
+            _spriteBarrel.Rotation = Mathf.LerpAngle(_spriteBarrel.Rotation, targetAngle, (float)delta * RotationSpeed);
+
+            // Check if we're facing the target and can attack
+            if (Mathf.Abs(Mathf.Wrap(targetAngle - _spriteBarrel.Rotation, -Mathf.Pi, Mathf.Pi)) < 0.1f)
+                TryAttack(nearestEnemy.GlobalPosition);
+        }
+        else
+        {
+            _hasTarget = false;
+        }
+    }
+
+    private void TryAttack(Vector2 targetPosition)
+    {
+        if (_attackTimer <= 0 && BulletScene != null && _barrelTip != null)
+        {
+            // Create bullet instance
+            var bullet = BulletScene.Instantiate<Bullet>();
+            
+            // Calculate direction and rotation
+            var direction = (targetPosition - _barrelTip.GlobalPosition).Normalized();
+            var bulletRotation = direction.Angle();
+            
+            // Set bullet position and rotation
+            GetTree().CurrentScene.AddChild(bullet);
+            bullet.GlobalPosition = _barrelTip.GlobalPosition;
+            bullet.Rotation = bulletRotation; // Use the calculated rotation
+            
+            // Initialize bullet with direction and damage
+            bullet.Initialize(
+                direction, 
+                bullet.GlobalPosition, 
+                bulletRotation, // Pass the calculated rotation
+                1 // Pass the turret's collision layer to ignore
+            );
+            bullet.Damage = Damage;
+            bullet.Speed = BulletSpeed;
+            bullet.MaxDistance = AttackRange * 1.5f; // Bullets can travel slightly further than attack range
+            
+            // Reset attack cooldown
+            _attackTimer = AttackCooldown;
+            
+            GD.Print("[Turret] Turret firing!");
+        }
+    }
+}

Scripts/Tiles/TurretTile.cs.uid

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

project.godot

@@ -15,8 +15,15 @@ run/main_scene="uid://c22aprj452aha"
 config/features=PackedStringArray("4.4", "C#", "GL Compatibility")
 config/icon="res://icon.svg"
 
+[autoload]
+
+ResourceManager="res://Scripts/System/ResourceManager.cs"
+DiInitializer="*res://Scripts/AutoLoad/DIInitializer.cs"
+
 [display]
 
+window/size/viewport_width=1920
+window/size/viewport_height=1080
 window/stretch/mode="viewport"
 
 [dotnet]
@@ -77,11 +84,12 @@ switch_tile={
 }
 toggle_build={
 "deadzone": 0.2,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":66,"key_label":0,"unicode":98,"location":0,"echo":false,"script":null)
-]
+"events": []
 }
 
 [rendering]
 
 anti_aliasing/quality/msaa_2d=3
+anti_aliasing/quality/msaa_3d=3
+anti_aliasing/quality/screen_space_aa=1
 anti_aliasing/quality/use_taa=true