extends Node3D

const SENSETIVITY = 0.009;
var walk = 0.25
@onready var head = $"."
@onready var camera = $"./Camera"

@onready var ui = $"./UI"
@onready var velocity_label: Label = ui.find_child("velocity_label")
@onready var tile_type_label: Label = ui.find_child("tile_type_label")

@onready var eye_raycast: RayCast3D = $"./Camera/eye"
@onready var earth = $"../Earth"

enum TileType {
	Empty,
	Plain,
	Forest
}

var creating_tile_type = TileType.Plain

func _ready():
	camera.make_current()
	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)

func _unhandled_input(event):
	if Input.is_action_pressed("MWU"):
		walk += walk / 5.
	if Input.is_action_pressed("MWD"):
		walk -= walk / 5.
		
	walk = clamp(snapped(walk, 0.0005), 0.01, 15)
	
	if event is InputEventMouseMotion:
		head.rotate_y(-event.relative.x * SENSETIVITY)
		camera.rotate_x(-event.relative.y * SENSETIVITY)
		camera.rotation.x = clamp(camera.rotation.x, deg_to_rad(-90), deg_to_rad(90))

func _physics_process(delta):
	velocity_label.text = "Velocity: " + str(walk)
	
	var input_dir = Input.get_vector("left", "right", "forward", "backward")
	var direction = (head.transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
	var velocity = Vector3.ZERO
	var speed
	
	if Input.is_action_just_pressed("tile type loop"):
		creating_tile_type = wrap(creating_tile_type + 1, 0, 3)
		tile_type_label.text = "Tile type: " + str(TileType.keys()[creating_tile_type])
	
	if Input.is_action_just_pressed("LMC") and eye_raycast.is_colliding() and !get_node("UI/ingame_menu").visible:
		var target = eye_raycast.get_collider()
		if "TileType" in target: 
			#earth.mark_free_tiles()
			target.tile_type = creating_tile_type
			target.update_tile()
			earth.mark_free_tiles()
			
			
	if Input.is_action_pressed("run"):
		speed = walk * 2
	else:
		speed = walk
	velocity.y = Input.get_vector("down", "up", "left", "right").x * speed
	if direction:
		velocity.x = direction.x * speed
		velocity.z = direction.z * speed
	else:
		velocity.x = lerp(velocity.x, direction.x * speed, delta * 4)
		velocity.z = lerp(velocity.z, direction.z * speed, delta * 4)
	head.position += velocity