ft: player attacking logic

evolve-die-repeat/molecular/molecular_player.gd

@@ -1,11 +1,23 @@
 extends CharacterBody2D
 
+@export var attack_duration = 0.12 # TODO: finetune
+@export var attack_cooldown_duration = 0.4
+
+@onready var attack_area: Area2D = $AttackArea
+@onready var attack_timer: Timer = $AttackTimer
+@onready var attack_cooldown_timer: Timer = $AttackCooldownTimer
+
 @export var speed = 200
-var damage = 1
+var damage = 10
+var can_attack = true
 
 func _ready() -> void:
 	var screen_size = get_viewport_rect().size
 	GameManager.init_screen_size(screen_size.x, screen_size.y)
+	
+	attack_area.monitoring = false # no collision until attacking
+	attack_timer.wait_time = attack_duration
+	attack_cooldown_timer.wait_time = attack_cooldown_duration
 
 func _process(delta):
 	velocity = Vector2.ZERO
@@ -17,8 +29,35 @@ func _process(delta):
 		velocity.y += 1
 	if Input.is_action_pressed("move_up"):
 		velocity.y -= 1
+	if Input.is_action_pressed("try_attack"):
+		try_attack()
 
 	move_and_collide(speed * velocity * delta)
 	#position += speed * velocity * delta
 	position = GameManager.get_boundaried_position(position)
 	
+func try_attack() -> void:
+	if not can_attack:
+		return
+	attack()
+	
+func attack() -> void:
+	can_attack = false
+	attack_area.monitoring = true
+	attack_timer.start()
+	# TODO: attack animation+sound+etc
+	
+func _on_attack_timeout() -> void:
+	attack_area.monitoring = false
+	attack_cooldown_timer.start()
+	
+func _on_cooldown_timeout() -> void:
+	can_attack = true
+	
+func _on_attack_hit(body: Node2D) -> void:
+	if body.is_in_group("prey") or body.is_in_group("predators"):
+		if body.has_method("handle_damage"):
+			body.handle_damage(damage)
+	elif body.is_in_group("resources"):
+		pass
+		# TODO: resource handling logic