Optimize enemy script

scenes/bullets/bullet-1.gd

@@ -13,5 +13,5 @@ func _on_VisibilityNotifier2D_screen_exited():
 
 func _on_Bullet_body_entered(body):
 	if body.is_in_group("Enemy"):
-		body.hit(damage)
+		body.get_parent().hit(damage)
 		queue_free()

scenes/enemies/enemy-1.tscn

@@ -1,7 +1,6 @@
-[gd_scene load_steps=15 format=3 uid="uid://clceqphyig48x"]
+[gd_scene load_steps=14 format=3 uid="uid://bdkpehb7sykww"]
 
-[ext_resource type="Script" path="res://scripts/stages/stage 1/walk.gd" id="1_ic50n"]
-[ext_resource type="Script" path="res://scripts/enemies/enemy-1.gd" id="2_2ldr2"]
+[ext_resource type="Script" path="res://scripts/enemies/enemy.gd" id="1_oeuts"]
 [ext_resource type="Texture2D" uid="uid://b046l0oy0hyj2" path="res://assets/spritesheets/enemy-1.png" id="2_ndkpn"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_17kv3"]
@@ -82,23 +81,22 @@ height = 39.999
 [node name="PathFollow2D" type="PathFollow2D"]
 rotation = 0.00699289
 loop = false
-script = ExtResource("1_ic50n")
+script = ExtResource("1_oeuts")
 
-[node name="enemy" type="CharacterBody2D" parent="." groups=["Enemy"]]
-script = ExtResource("2_2ldr2")
+[node name="Enemy" type="CharacterBody2D" parent="." groups=["Enemy"]]
 
-[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="enemy"]
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="Enemy"]
 position = Vector2(9.15527e-05, 0.00012207)
 scale = Vector2(0.176347, 0.175058)
 sprite_frames = SubResource("SpriteFrames_kipn1")
 autoplay = "default"
 frame_progress = 0.735051
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="enemy"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Enemy"]
 position = Vector2(-0.992983, 1.00696)
 shape = SubResource("CapsuleShape2D_5hy1j")
 
-[node name="HealthBar" type="ProgressBar" parent="enemy"]
+[node name="HealthBar" type="ProgressBar" parent="Enemy"]
 modulate = Color(0.431373, 0.815686, 0, 1)
 offset_left = -15.1814
 offset_top = -25.8945
@@ -106,7 +104,3 @@ offset_right = 86.8186
 offset_bottom = 1.10553
 scale = Vector2(0.3, 0.3)
 show_percentage = false
-
-[node name="_Timer_66182" type="Timer" parent="."]
-wait_time = 0.2
-one_shot = true

scenes/stages/stage 1/stage-1.tscn

@@ -1,10 +1,9 @@
-[gd_scene load_steps=12 format=3 uid="uid://btdewn34d67m"]
+[gd_scene load_steps=11 format=3 uid="uid://btdewn34d67m"]
 
 [ext_resource type="Texture2D" uid="uid://cnxj0mf3luxo" path="res://assets/tileset/ashlands/tf_A5_ashlands_3.png" id="1_rhsei"]
 [ext_resource type="Script" path="res://scripts/stages/stage 1/GameManager.gd" id="1_yugmb"]
 [ext_resource type="Texture2D" uid="uid://danbfdqmqu23q" path="res://assets/tileset/ashlands/tf_B_ashlands_3.png" id="2_ao304"]
 [ext_resource type="Script" path="res://scripts/stages/stage 1/summon.gd" id="3_wqx3u"]
-[ext_resource type="PackedScene" uid="uid://clceqphyig48x" path="res://scenes/enemies/enemy-1.tscn" id="4_iivll"]
 [ext_resource type="PackedScene" uid="uid://cd5r1v6f8hahx" path="res://scenes/ui/tower-menu.tscn" id="6_p2t31"]
 [ext_resource type="PackedScene" uid="uid://bvoenhbaqiqj2" path="res://scenes/towers/placement/placement.tscn" id="8_ftqhi"]
 
@@ -542,7 +541,9 @@ layer_1/tile_data = PackedInt32Array(196628, 262146, 6, 131089, 2, 13, 720899, 3
 [node name="Path2D" type="Path2D" parent="."]
 curve = SubResource("Curve2D_csucy")
 script = ExtResource("3_wqx3u")
-enemy = ExtResource("4_iivll")
+
+[node name="Timer" type="Timer" parent="Path2D"]
+one_shot = true
 
 [node name="CanvasLayer" type="CanvasLayer" parent="."]
 
@@ -559,3 +560,5 @@ position = Vector2(676, 192)
 
 [node name="placement3" parent="Placements" instance=ExtResource("8_ftqhi")]
 position = Vector2(844, 393)
+
+[connection signal="timeout" from="Path2D/Timer" to="Path2D" method="_on_timer_timeout"]

scripts/enemies/enemy-1.gd

@@ -1,19 +0,0 @@
-extends CharacterBody2D
-
-@export var health : int = 100
-
-func _process(delta):
-	update_healthbar()
-	if health <= 0:
-		queue_free()
-		
-func update_healthbar():
-	$HealthBar.value = health
-	
-	if health >= 100:
-		$HealthBar.visible = false
-	else:
-		$HealthBar.visible = true
-
-func hit(damage : int):
-	health = health - damage

scripts/enemies/enemy.gd

@@ -0,0 +1,31 @@
+extends PathFollow2D
+
+var config = null
+var enemy_id: int = 0
+var health: int = 0
+var speed: int = 0
+
+func set_config(config_path):
+	config = load(config_path).new()
+
+func set_enemy(id: int):
+	enemy_id = id
+	health = config.enemy[enemy_id]['health']
+	speed = config.enemy[enemy_id]['speed']
+
+func _process(delta):
+	update_healthbar()
+	if health <= 0:
+		queue_free()
+	set_progress(get_progress() + speed * delta)
+		
+func update_healthbar():
+	$Enemy/HealthBar.value = health
+	
+	if health >= 100:
+		$Enemy/HealthBar.visible = false
+	else:
+		$Enemy/HealthBar.visible = true
+
+func hit(damage : int):
+	health = health - damage

scripts/stages/stage 1/Config.gd

@@ -2,6 +2,11 @@ extends Node
 
 class_name Config
 
+var game = {
+	"spawn_timer": 3.0,
+	"offset": [-30.0, 30.0]
+}
+
 var menu = [
 	{
 		"name": "Cannon",
@@ -85,3 +90,13 @@ var tower = [
 		"damage": 40
 	}
 ]
+
+var enemy = [
+	{
+		"name": "Demon",
+		"asset": "preload()",
+		"health": 100,
+		"speed": 30,
+		"damage": 1
+	}
+]

scripts/stages/stage 1/summon.gd

@@ -1,24 +1,28 @@
 extends Path2D
 
-var timer = 0
-@export var spawnTime = 3
+@onready var timer = $Timer
+
+var config_path = "res://scripts/stages/stage 1/Config.gd"
+var config = load(config_path).new()
+
 var spawn_first: bool = true
 
-@export var enemy: PackedScene = null
+var enemy: PackedScene = preload("res://scenes/enemies/enemy-1.tscn")
 
-# Called when the node enters the scene tree for the first time.
 func _ready():
-	pass # Replace with function body.
+	summon()
+	timer.wait_time = config.game['spawn_timer']
+	timer.start()
 
+func _on_timer_timeout():
+	summon()
+	timer.start()
 
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta):
-	timer += delta
+func summon():
+	var rng = RandomNumberGenerator.new()
 	
-	if spawn_first:
-		add_child(enemy.instantiate())
-		spawn_first = false
-	
-	if timer > spawnTime:
-		add_child(enemy.instantiate())
-		timer = 0
+	var enemy_instance = enemy.instantiate()
+	add_child(enemy_instance)
+	enemy_instance.set_config(config_path)
+	enemy_instance.set_enemy(0)
+	enemy_instance.set_v_offset(rng.randf_range(config.game['offset'][0], config.game['offset'][1]))

scripts/stages/stage 1/walk.gd

@@ -1,11 +0,0 @@
-extends PathFollow2D
-
-@export var speed = 30
-
-func _ready():
-	var rng = RandomNumberGenerator.new()
-	set_v_offset(rng.randf_range(-30.0, 30.0))
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta):
-	set_progress(get_progress() + speed * delta)