99 lines
2.8 KiB
GDScript
99 lines
2.8 KiB
GDScript
extends SceneTree
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const DEFAULT_OUTPUT_PATH := "res://docs/baselines/jajce_lookdev_01.png"
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const DEFAULT_SCENE_PATH := "res://world/jajce/JajceLookdev.tscn"
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const CAPTURE_SIZE := Vector2i(1280, 720)
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const WARMUP_FRAMES := 90
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func _initialize() -> void:
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call_deferred("_run")
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func _run() -> void:
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root.size = CAPTURE_SIZE
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var scene_path := _get_argument_value("--scene=", DEFAULT_SCENE_PATH)
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var output_path := _get_argument_value("--output=", DEFAULT_OUTPUT_PATH)
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var scene := load(scene_path) as PackedScene
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if scene == null:
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push_error("Could not load %s" % scene_path)
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quit(1)
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return
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var lookdev := scene.instantiate() as Node3D
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root.add_child(lookdev)
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await process_frame
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_stabilize_lookdev(lookdev)
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for _frame in WARMUP_FRAMES:
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await process_frame
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var image := root.get_texture().get_image()
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if image == null or image.is_empty():
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push_error("Lookdev capture produced no image")
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quit(1)
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return
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var analysis := _analyze_image(image)
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if analysis.get("range", 0.0) < 0.05:
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push_error("Lookdev capture is too uniform: %s" % analysis)
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quit(1)
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return
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var error := image.save_png(output_path)
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if error != OK:
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push_error("Could not save %s: %s" % [output_path, error_string(error)])
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quit(1)
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return
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print("[TOOL] Saved %s | %s" % [output_path, analysis])
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quit(0)
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func _stabilize_lookdev(lookdev: Node3D) -> void:
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var camera := root.get_camera_3d()
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if camera != null:
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camera.set_process(false)
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var simulation_manager := lookdev.get_node_or_null("SimulationManager")
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if simulation_manager != null:
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simulation_manager.set_process(false)
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var day_night_cycle := lookdev.get_node_or_null("JajceWorld/DayNightCycle")
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if day_night_cycle == null:
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return
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day_night_cycle.set_process(false)
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day_night_cycle.call("_apply_light_rotation", 0.4)
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day_night_cycle.call("_apply_environment", 0.4)
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func _get_argument_value(prefix: String, default_value: String) -> String:
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for argument in OS.get_cmdline_user_args():
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if argument.begins_with(prefix):
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var value := argument.trim_prefix(prefix)
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if not value.is_empty():
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return value
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return default_value
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func _analyze_image(image: Image) -> Dictionary:
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var min_luma := INF
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var max_luma := -INF
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var total_luma := 0.0
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var samples := 0
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var step_x = maxi(1, image.get_width() / 64)
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var step_y = maxi(1, image.get_height() / 36)
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for y in range(0, image.get_height(), step_y):
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for x in range(0, image.get_width(), step_x):
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var color := image.get_pixel(x, y)
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var luma := color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722
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min_luma = minf(min_luma, luma)
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max_luma = maxf(max_luma, luma)
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total_luma += luma
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samples += 1
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return {
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"size": "%sx%s" % [image.get_width(), image.get_height()],
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"samples": samples,
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"average_luma": total_luma / samples,
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"range": max_luma - min_luma,
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}
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