extends VehicleBody3D

# Member variables
@export var _steer_speed = 2.5
@export var _steer_limit = .8
@export var _engine_force = 1000.0

var steer_angle = 0
var steer_target = 0
var view_sensitivity = 0.1
var ext_view = true
var fire_btn_down = false

func _process(delta):
	steering = move_toward(steering, Input.get_axis("vehicle_right", "vehicle_left") * _steer_limit, delta * _steer_speed)
	engine_force = Input.get_axis("vehicle_decel", "vehicle_accel") * _engine_force
	if fire_btn_down:
		$turret/autocannon.on_fire()

func _ready():
	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
	
func _input(ie):
	if ie is InputEventMouseMotion:
		var plus_pitch = view_sensitivity * -ie.relative.y
		var plus_yaw = fmod(view_sensitivity * -ie.relative.x,360)
		var can_rot = $turret/autocannon.get_rotation()
		can_rot.x -= deg_to_rad(plus_pitch)
		var can_elev = rad_to_deg(can_rot.x)
		if can_elev < 7 and can_elev > -30:
			$turret/autocannon.set_rotation(can_rot)
		$turret.rotate(Vector3(0,1,0), deg_to_rad(plus_yaw))
		
	elif ie is InputEventMouseButton:
		if ie.button_index == MOUSE_BUTTON_LEFT:
			fire_btn_down = ie.is_pressed()
		elif ie.button_index == MOUSE_BUTTON_RIGHT and ie.is_pressed():
			if ext_view:
				$turret/autocannon/cam_int.make_current()
				$turret/autocannon/cam_int/aim.visible = true
				ext_view = false
			else:
				$turret/autocannon/cam_ext.make_current()
				$turret/autocannon/cam_int/aim.visible = false
				ext_view = true
			
func shot_hit(obj):
	print ("Own shot hit obj: " + obj.get_name())