57 lines
1.9 KiB
GDScript3
57 lines
1.9 KiB
GDScript3
|
extends Node2D
|
||
|
|
|
||
|
|
# Draws each extractor's hauler ONLY while it is somewhere the player could
|
||
|
|
# see it, and rebuilds it from GameState every frame.
|
||
|
|
#
|
||
|
|
# The point is that the visuals are optional. GameState simulates the round
|
||
|
|
# trip and pays out on arrival regardless of what exists in the scene, so a
|
||
|
|
# route far from the player costs nothing but still earns - while flying
|
||
|
|
# between a planet and the mothership shows the hauler making the run,
|
||
|
|
# positioned from the very same `progress` value that triggers the payout.
|
||
|
|
|
||
|
|
@export var visible_radius: float = 2600.0
|
||
|
|
|
||
|
|
@onready var fleet: Node2D = get_node("../Fleet")
|
||
|
|
|
||
|
|
var hauler_scene: PackedScene = preload("res://Hauler.tscn")
|
||
|
|
# extractor index -> live Hauler node
|
||
|
|
var active: Dictionary = {}
|
||
|
|
|
||
|
|
|
||
|
|
func _process(_delta: float) -> void:
|
||
|
|
var centre: Vector2 = fleet.get_centroid()
|
||
|
|
|
||
|
|
for i in range(GameState.extractors.size()):
|
||
|
|
var extractor: Dictionary = GameState.extractors[i]
|
||
|
|
var pos: Variant = GameState.get_hauler_position(extractor)
|
||
|
|
|
||
|
|
# No mothership means no route, so nothing to show.
|
||
|
|
if pos == null or pos.distance_to(centre) > visible_radius:
|
||
|
|
_despawn(i)
|
||
|
|
continue
|
||
|
|
|
||
|
|
var hauler: Node2D = active.get(i)
|
||
|
|
if hauler == null or not is_instance_valid(hauler):
|
||
|
|
hauler = hauler_scene.instantiate()
|
||
|
|
get_parent().add_child(hauler)
|
||
|
|
active[i] = hauler
|
||
|
|
|
||
|
|
var previous: Vector2 = hauler.position
|
||
|
|
hauler.position = pos
|
||
|
|
# Laden on the outbound leg, empty on the way back.
|
||
|
|
hauler.set_laden(extractor.progress <= GameState.HAULER_ARRIVAL)
|
||
|
|
var travel: Vector2 = pos - previous
|
||
|
|
if travel.length() > 0.5:
|
||
|
|
hauler.rotation = travel.angle() + PI / 2.0
|
||
|
|
|
||
|
|
# Drop visuals for extractors that no longer exist.
|
||
|
|
for key in active.keys():
|
||
|
|
if key >= GameState.extractors.size():
|
||
|
|
_despawn(key)
|
||
|
|
|
||
|
|
|
||
|
|
func _despawn(index: int) -> void:
|
||
|
|
var hauler: Node2D = active.get(index)
|
||
|
|
if hauler != null and is_instance_valid(hauler):
|
||
|
|
hauler.queue_free()
|
||
|
|
active.erase(index)
|