initial commit

Player.gd

@@ -0,0 +1,100 @@
+extends KinematicBody2D
+class_name Player
+var Bullet = preload("res://Bullet.tscn")
+
+signal ammo_changed(ammo)
+signal hp_changed(hp)
+signal player_dead
+signal player_hurt
+signal shot_fired
+
+func is_player() -> bool:
+	return true
+
+var input_vec = Vector2.ZERO
+var last_dir = Vector2.ZERO
+var ammo : int = 0
+var max_hp : int = 5
+var hp : int = 5
+
+const SHOOT_COOLDOWN = 1
+var shoot_cooldown_remaining : float = 0.0
+
+onready var sprite = $AnimatedSprite
+
+func _ready():
+	pass
+
+func is_type(type):
+	return type == "Player" or .is_type(type)
+
+func heal(amount : int):
+	hp += amount
+	if hp > max_hp:
+		hp = max_hp
+	emit_signal("hp_changed", hp)
+
+func take_damage(dmg : int):
+	hp -= dmg
+	if hp <= 0:
+		hp = 0
+		emit_signal("player_dead")
+	emit_signal("hp_changed", hp)
+	emit_signal("player_hurt")
+
+func get_type():
+	return "Player"
+
+func pick_up(p_ammo):
+	ammo += p_ammo
+	emit_signal("ammo_changed", ammo)
+
+func fire():
+	var bullet = Bullet.instance()
+	bullet.global_position = self.global_position
+	bullet.init(last_dir)
+	get_parent().add_child(bullet)
+	ammo -= 1
+	emit_signal("ammo_changed", ammo)
+	shoot_cooldown_remaining = SHOOT_COOLDOWN
+	emit_signal("shot_fired")
+
+func _process(delta):
+	if !is_alive():
+		return
+	shoot_cooldown_remaining -= delta
+	if shoot_cooldown_remaining < 0.0:
+		shoot_cooldown_remaining = 0.0
+	input_vec = Vector2.ZERO
+	if Input.is_action_pressed("ui_down"):
+		input_vec.y = 1
+	if Input.is_action_pressed("ui_up"):
+		input_vec.y = -1
+	if Input.is_action_pressed("ui_right"):
+		input_vec.x = 1
+	if Input.is_action_pressed("ui_left"):
+		input_vec.x = -1
+	if input_vec != Vector2.ZERO:
+		last_dir = input_vec.normalized()
+	
+	if Input.is_action_just_pressed("ui_accept"):
+		if shoot_cooldown_remaining <= 0.0 and ammo > 0:
+			fire()
+	
+	if input_vec.x < 0:
+		sprite.animation = "side"
+		sprite.flip_h = true
+	elif input_vec.x > 0:
+		sprite.animation = "side"
+		sprite.flip_h = false
+	
+	if input_vec.y < 0:
+		sprite.animation = "up"
+	elif input_vec.y > 0:
+		sprite.animation = "down"
+	
+func _physics_process(delta):
+	move_and_slide(input_vec.normalized() * 100, Vector2.UP)
+
+func is_alive() -> bool:
+	return hp > 0