Know your enemy

Scripts/Enemy.gd

@@ -1,17 +1,101 @@
-extends Node2D
+extends CharacterBody2D
 
+@onready var levelup = [300, 900, 2700, 6500, 14000, 23000, 34000, 48000, 64000]
+
+@onready var is_facing_left: bool = false
+@onready var is_attacking: bool = false
+@onready var is_dying: bool = false
+
+@export var level: int = 1
+@export var hp: int = 100
+@export var maxhp: int = 100
+@export var experience: int = 0
+@export var state: String = "Idle"
+
+@onready var anim: Node = get_node("Sprite")
+@onready var cooldown: Node = get_node("Atk_cooldown")
+@onready var lvlanim: Node = get_node("LvlUp")
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	pass # Replace with function body.
-
+	
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
-	pass
+	if abs(velocity.x) < 0.1 && abs(velocity.y) < 0.1 && !is_attacking:
+		setAnimState("Idle")
+	elif !is_attacking:
+		setAnimState("Run")
+	
+	is_facing_left = velocity.x >= 0
 
-func _attack():
-	pass
+	# AI STUFF
+	velocity.x += delta
+	velocity.y += delta
+	
+	position += velocity
+	
+
+func attack():
+	is_attacking = true
+	if (level > 1):
+		setAnimState("Attack2")
+		if is_facing_left:
+			get_node("AttackArea/Attack2CollisionL").set_disabled(false)
+		else:
+			get_node("AttackArea/Attack2CollisionR").set_disabled(false)
+	else:
+		setAnimState("Attack")
+		if is_facing_left:
+			get_node("AttackArea/Attack1CollisionL").set_disabled(false)
+		else:
+			get_node("AttackArea/Attack1CollisionR").set_disabled(false)
+	
+
+func stop_attack():
+	is_attacking = false
+	get_node("AttackArea/Attack1CollisionL").set_disabled(true)
+	get_node("AttackArea/Attack1CollisionR").set_disabled(true)
+	get_node("AttackArea/Attack2CollisionL").set_disabled(true)
+	get_node("AttackArea/Attack2CollisionR").set_disabled(true)
+	
+
+func setAnimState(newstate):
+	anim.animation = newstate
+	anim.flip_h = !is_facing_left
+	
+	state = newstate
+	
+
+func receive_damage(dmg):
+	hp -= dmg
+	if hp < 0:
+		velocity = Vector2(0,0)
+		setAnimState("Die")
+		state = "Die"
+		is_dying = true
+	
+
+func receive_exp(x):
+	experience += x
+	if experience > levelup[level - 1] && level <= 8:
+		setLevel(level + 1)
+	
+
+func setLevel(lvl):
+	level = lvl
+	lvlanim.restart()
+	
+	if level > 2:
+		cooldown.wait_time = 0.5
+	
 
 func _on_atk_cooldown_timeout():
-	pass # Replace with function body.
+	attack()
+	
+
+func _on_sprite_animation_looped():
+	if is_attacking:
+		stop_attack()
+	is_dying = false