extends Node
const GENERATOR := preload("res://scripts/planets/surface_generator.gd")
const TITLES := {"fissure":"Spękana ziemia", "meteor_crater":"Ślad meteorytu", "abandoned_hamlet":"Opuszczona osada", "weathered_stones":"Zwietrzałe kamienie", "dry_hollow":"Wyschnięte oczko"}

func _ready() -> void:
	var examples := {}
	var profile: Dictionary = preload("res://scripts/planets/planet_profiles.gd").generate(99, 0, "Podgląd")
	profile.temperature = 20
	profile.easy = true
	profile.oxygen = 90
	profile.flora = 0
	for seed_value in 180:
		var data := GENERATOR.generate(seed_value, profile)
		for landmark in data.landmarks:
			if not examples.has(landmark.kind):
				examples[landmark.kind] = {"seed":seed_value, "position":landmark.position}
		if examples.size() == TITLES.size():
			break
	assert(examples.size() == TITLES.size())
	var sheet := Image.create(1280, 1080, false, Image.FORMAT_RGBA8)
	var progress: Resource = GameState.captain.expedition
	var kinds: Array = TITLES.keys()
	kinds.append("scale")
	for index in kinds.size():
		var kind: String = kinds[index]
		profile.name = "Skala budynków i drzew" if kind == "scale" else TITLES[kind]
		progress.lander_hp = 100
		assert(progress.begin_visit(profile))
		progress.visit_seed = 200 if kind == "scale" else int(examples[kind].seed)
		var surface := Control.new()
		surface.set_script(preload("res://scripts/planets/surface_screen.gd"))
		surface.captain = GameState.captain
		surface.progress = progress
		add_child(surface)
		surface.set_process(false)
		surface.set_physics_process(false)
		var target: Vector2 = (surface.world.data.structures[0].position if not surface.world.data.structures.is_empty() else Vector2.ZERO) if kind == "scale" else examples[kind].position
		surface.lander.position = target+Vector2(-120, 80)
		surface.lander.reset_physics_interpolation()
		surface.camera.position = target
		surface.camera.reset_smoothing()
		surface.world.refresh_pois(target)
		for spec in preload("res://scripts/planets/surface_landmarks.gd").SPECS:
			var texture: Texture2D = load("res://assets/planets/landmarks/%s.png" % spec.kind)
			assert(texture.get_image().has_mipmaps())
			assert(texture.get_image().get_pixel(0,0).a < 0.01)
		for frame in 5:
			await get_tree().process_frame
		await RenderingServer.frame_post_draw
		var screenshot := get_viewport().get_texture().get_image()
		screenshot.save_png("res://artifacts/landmark_%s.png" % kind)
		screenshot.convert(Image.FORMAT_RGBA8)
		screenshot.resize(640, 360, Image.INTERPOLATE_LANCZOS)
		sheet.blit_rect(screenshot, Rect2i(0,0,640,360), Vector2i(index%2*640,index/2*360))
		progress.finish_visit(GameState.captain, true)
		surface.queue_free()
		await get_tree().process_frame
	sheet.save_png("res://artifacts/landmarks_overview.png")
	print("LANDMARK PREVIEW PASS: five new props, smaller buildings and trees, transparent textures, mipmaps")
	get_tree().quit()