extends Node2D

# Same informal interface as GasGiantVisual/RockyPlanetVisual - configure(),
# extractor_anchor(), animates via its own _process(). Deliberately angular
# and armoured rather than a natural silhouette (#63: this is an ENEMY
# installation, not a celestial body), with a rotating dish and blinking
# warning lights to read as occupied/hostile at a glance.

var phase: float = 0.0

const RADIUS: float = 108.0
const HULL_COLOR: Color = Color(0.55, 0.1, 0.08)
const CORE_COLOR: Color = Color(0.9, 0.25, 0.18)
const WARNING_COLOR: Color = Color(1.0, 0.2, 0.15)
const DARK_CORE: Color = Color(0.14, 0.02, 0.02)


func configure(_shape_seed: int) -> void:
	queue_redraw()


func extractor_anchor() -> Vector2:
	return Vector2(0.0, -(RADIUS + 40.0))


func _process(delta: float) -> void:
	phase += delta
	queue_redraw()


func _draw() -> void:
	var hull: PackedVector2Array = PackedVector2Array()
	for i in range(6):
		var angle: float = TAU * float(i) / 6.0
		hull.append(Vector2(cos(angle), sin(angle)) * RADIUS)
	NeonDraw.draw_glowing_polygon(self, hull, HULL_COLOR, 0.85, DARK_CORE)

	var inner: PackedVector2Array = PackedVector2Array()
	for i in range(6):
		var angle: float = TAU * float(i) / 6.0 + PI / 6.0
		inner.append(Vector2(cos(angle), sin(angle)) * RADIUS * 0.55)
	NeonDraw.draw_glowing_polygon(self, inner, CORE_COLOR, 0.9, DARK_CORE)

	# A slow-rotating dish - reads as actively transmitting, not derelict.
	var dish_angle: float = phase * 0.6
	var dish_tip: Vector2 = Vector2(cos(dish_angle), sin(dish_angle)) * RADIUS * 1.35
	NeonDraw.draw_glowing_line(self, Vector2.ZERO, dish_tip, CORE_COLOR, 0.8, 0.55, DARK_CORE)
	NeonDraw.draw_glowing_circle(self, dish_tip, 11.0, CORE_COLOR, 1.0, DARK_CORE)

	# Blinking hull-corner warning lights.
	var blink: float = 0.4 + 0.6 * absf(sin(phase * 4.0))
	for i in range(6):
		var angle: float = TAU * float(i) / 6.0
		var at: Vector2 = Vector2(cos(angle), sin(angle)) * RADIUS
		NeonDraw.draw_glowing_circle(self, at, 5.0, WARNING_COLOR, blink, DARK_CORE)