extends Node2D

export (int) var speed = 200

enum State {
	Sailing,
	Walking,
	Digging
}

signal dig_stopped

onready var Shovel = get_node("Shovel")
onready var DigTimer = get_node("DigTimer")

var velocity = Vector2()
var target = Vector2()
var prev_tile = null # Hex coords of previous tile
var cur_tile = null  # Hex coords of current tile
var state = State.Sailing

func get_input():
	velocity = Vector2()
	
	if state == State.Digging:
		return
	
	if Input.is_action_pressed("walk_right"):
		velocity.x += 1
	if Input.is_action_pressed("walk_left"):
		velocity.x -= 1
	if Input.is_action_pressed("walk_down"):
		velocity.y += 1
	if Input.is_action_pressed("walk_up"):
		velocity.y -= 1
	velocity = velocity.normalized() * speed


func _physics_process(delta):
	var r_to_target = target - position
	var dist = r_to_target.length()

	if delta > 0.0001 and dist < speed * delta:
		position = target
		velocity = Vector2.ZERO
	else:
		velocity = r_to_target.normalized() * speed
	
	if state == State.Digging:
		velocity = Vector2.ZERO
	
	position = position + velocity * delta
	
	var tile = Globals.WorldToHex(position)
	if tile != cur_tile:
		prev_tile = cur_tile
		cur_tile = tile
	
	Shovel.visible = state == State.Digging


# Called when the node enters the scene tree for the first time.
func _ready():
	position = Vector2(0,0)
	DigTimer.connect("timeout", self, "on_dig_stop")


func on_enter_island():
	state = State.Walking


func on_leave_island():
	state = State.Sailing


func on_dig_start():
	state = State.Digging
	DigTimer.start(2.0)


func on_dig_stop():
	state = State.Walking
	emit_signal ("dig_stopped")