8dirwalk.gd

extends RigidBody2D

var SPD = 128.0

var mstate = 'Idle'
var direction = 'up'



func _integrate_forces(state):
	var lv = get_linear_velocity()
	var old_state = mstate+'-'+direction
	
	var UP = Input.is_action_pressed('UP')
	var DOWN = Input.is_action_pressed('DOWN')
	var LEFT = Input.is_action_pressed('LEFT')
	var RIGHT = Input.is_action_pressed('RIGHT')
	
	var bit = 0
	
	if UP:
		bit += 1
		direction = 'up'

	if DOWN:
		bit += 4
		direction = 'down'

	if RIGHT:
		bit += 2
		direction = 'right'

	if LEFT:
		bit += 8
		direction = 'left'


	
	if bit in [0,5,7,10,11,14,15]:	#null movement
		lv = Vector2(0,0)
	if bit == 1:	#UP
		lv = Vector2(0,-SPD)
	if bit == 2:	#LEFT
		lv = Vector2(SPD,0)
	if bit == 3:	#UP-RIGHT
		lv = Vector2(SPD,-SPD)/sqrt(2)
	if bit == 4:	#DOWN
		lv = Vector2(0,SPD)
	if bit == 6:	#DOWN-RIGHT
		lv = Vector2(SPD,SPD)/sqrt(2)
	if bit == 8:	#LEFT
		lv = Vector2(-SPD,0)
	if bit == 9:	#UP-LEFT
		lv = Vector2(-SPD,-SPD)/sqrt(2)
	if bit == 12:	#DOWN-LEFT
		lv = Vector2(-SPD,SPD)/sqrt(2)

	if abs(lv.x)+abs(lv.y) > 0:
		mstate = 'walk'
	else:
		mstate = 'Idle'

	set_linear_velocity(lv)
	
	var new_state = mstate+'-'+direction
	if new_state != old_state:
		get_node('animator').play(str(new_state))