crabs-game/scripts/game1/LogEntity.gd

142 lines
3.3 KiB
GDScript3
Raw Normal View History

2020-08-19 11:56:10 +02:00
extends Sprite
class_name LogEntity
const h = [
preload('res://images/game1/log_h_1.tres'),
preload('res://images/game1/log_h_2.tres'),
preload('res://images/game1/log_h_3.tres'),
preload('res://images/game1/log_h_4.tres'),
]
const v = [
preload('res://images/game1/log_v_1.tres'),
preload('res://images/game1/log_v_2.tres'),
preload('res://images/game1/log_v_3.tres'),
preload('res://images/game1/log_v_4.tres'),
]
var type : int
var index : int
var collision_area : Area2D
var back_sensor : Area2D
var front_sensor : Area2D
func _init(_type=Type.H, _rotation=0):
type = _type
index = _rotation
var physics_shape = Vector2(2 if type == Type.H else 1, 2 if type == Type.V else 1)
var box_offset = Vector2(0, 8) if type == Type.H else Vector2(8, 0)
# Collision box
collision_area = Area2D.new()
var shape = CollisionShape2D.new()
shape.shape = RectangleShape2D.new()
shape.shape.extents = Vector2(8, 8) * physics_shape
collision_area.add_child(shape)
collision_area.position = box_offset
add_child(collision_area)
# Sensors
back_sensor = Area2D.new()
shape = CollisionShape2D.new()
shape.shape = RectangleShape2D.new()
shape.shape.extents = Vector2(6, 6) * physics_shape
back_sensor.add_child(shape)
back_sensor.position = box_offset
add_child(back_sensor)
front_sensor = Area2D.new()
shape = CollisionShape2D.new()
shape.shape = RectangleShape2D.new()
shape.shape.extents = Vector2(6, 6) * physics_shape
front_sensor.add_child(shape)
front_sensor.position = box_offset
add_child(front_sensor)
if type == Type.H:
back_sensor.position.y -= 16
front_sensor.position.y += 16
else:
back_sensor.position.x -= 16
front_sensor.position.x += 16
front_sensor.set_collision_layer_bit(0, 0)
front_sensor.set_collision_mask_bit(0, 1)
front_sensor.set_collision_mask_bit(1, 0)
back_sensor.set_collision_layer_bit(0, 0)
back_sensor.set_collision_mask_bit(0, 1)
back_sensor.set_collision_mask_bit(1, 0)
update()
func spawn_at(pos : Vector2):
position = pos
# Offset for special i=2
if index == 2:
if type == Type.H: position.y -= 16
else: position.x -= 16
func update():
var atlas = h
if type == Type.V:
atlas = v
texture = atlas[index]
if type == Type.H:
if index == 2:
offset.y += 16
else:
offset.y = 0
else:
if index == 2:
offset.x += 16
else:
offset.x = 0
func push(from : Vector2, direction=1) -> bool:
var sensor = front_sensor if direction == 1 else back_sensor
if sensor.get_overlapping_bodies().size() > 0 || sensor.get_overlapping_areas().size() > 0:
return false
#Check if push is possible
var authorized_positions = []
var pos = (position / 16) - Vector2(1, 1)
if type == Type.H:
if direction == -1:
pos += Vector2(0, 2)
authorized_positions.append(pos)
authorized_positions.append(pos + Vector2(1, 0))
elif type == Type.V:
if direction == -1:
pos += Vector2(2, 0)
authorized_positions.append(pos)
authorized_positions.append(pos + Vector2(0, 1))
var authorized = false
for p in authorized_positions:
if from == p:
authorized = true
break
if !authorized: return false
index += direction
if index < 0:
index = 3
if index > 3:
index = 0
if type == Type.H:
position.y += 16 * direction
else:
position.x += 16 * direction
#todo: fall in hole
update()
return true
enum Type {H, V}