mirror of
https://github.com/Steffo99/swear-jar.git
synced 2024-11-25 17:14:20 +00:00
85 lines
2.7 KiB
GDScript
85 lines
2.7 KiB
GDScript
extends Area2D
|
|
class_name Ghost
|
|
## Ghost previewing the instantiation of a scene.
|
|
|
|
|
|
## Color to modulate this with if the body currently isn't overlapping anything.
|
|
@export var valid_color: Color = Color.WHITE
|
|
|
|
## Color to modulate this with if the body currently is overlapping something.
|
|
@export var invalid_color: Color = Color.RED
|
|
|
|
|
|
## The [Instantiator] to use to spawn the ghosted item.
|
|
@onready var instantiator: Instantiator = $Instantiator
|
|
|
|
## The [OverlapChecker] to use to see if a solid block is overlapping the ghost.
|
|
@onready var overlap_checker: OverlapChecker = $OverlapChecker
|
|
|
|
## The [PlaceableAreaChecker] to use to see if the ghost is currently inside the placeable area.
|
|
@onready var placeable_area_checker: PlaceableAreaChecker = $PlaceableAreaChecker
|
|
|
|
## The [OverlapFreer] to use to delete the [PhysicsBody2D] behind the ghost before instantiation.
|
|
@onready var overlap_freer: OverlapFreer = $OverlapFreer
|
|
|
|
## The [CollisionShape2D] to use to check for placement checks.
|
|
##
|
|
## MUST consist of a [RectangleShape2D].
|
|
@onready var placement_shape: CollisionShape2D = $PlacementShape
|
|
|
|
## The [Sprite2D] node previewing the scene.
|
|
@onready var preview_sprite: Sprite2D = $PlacementShape/PreviewSprite
|
|
|
|
## The collision mask of objects that should prevent this object's placement.
|
|
@export_flags_2d_physics var collision_mask_prevent_placement: int
|
|
|
|
## The collision mask of objects that should be deleted on this object's placement.
|
|
@export_flags_2d_physics var collision_mask_delete_placement: int
|
|
|
|
## The texture that the preview sprite should display.
|
|
@export var preview_texture: Texture2D:
|
|
get:
|
|
return preview_texture
|
|
set(value):
|
|
preview_texture = value
|
|
# Quick priority fix
|
|
if preview_sprite:
|
|
preview_sprite.texture = value
|
|
|
|
|
|
func _ready():
|
|
collision_mask = collision_mask_prevent_placement | collision_mask_delete_placement
|
|
preview_sprite.texture = preview_texture
|
|
|
|
|
|
func _physics_process(_delta: float):
|
|
# Update collision
|
|
update_can_place()
|
|
|
|
|
|
var can_place: bool:
|
|
get:
|
|
return can_place
|
|
set(value):
|
|
can_place = value
|
|
modulate = valid_color if value else invalid_color
|
|
|
|
|
|
## Update the value of [can_place].
|
|
# DIRTY HACK: Relies on the placeable area being perfectly surrounded by solid bodies.
|
|
func update_can_place() -> void:
|
|
can_place = overlap_checker.is_overlapping_with == null and placeable_area_checker.is_overlapping_with != null
|
|
|
|
|
|
func materialize():
|
|
# Compatibility stub for Instantiator
|
|
if not can_place:
|
|
return null
|
|
var overlapping_bodies = get_overlapping_bodies()
|
|
for body in overlapping_bodies:
|
|
if body is PhysicsBody2D:
|
|
if body.collision_layer & collision_mask_delete_placement:
|
|
body.queue_free()
|
|
var inst = instantiator.instantiate()
|
|
# TODO: Remove this
|
|
return inst
|