39 lines
1.5 KiB
GDScript
39 lines
1.5 KiB
GDScript
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class_name EffectPrewarm
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extends RefCounted
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static func run(game: Node) -> void:
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if DisplayServer.get_name() == "headless": return
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var overlay := CanvasLayer.new()
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overlay.layer = 120
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var cover := TextureRect.new()
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cover.texture = load("res://assets/ui/boot_splash.png")
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cover.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
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cover.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_COVERED
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cover.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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overlay.add_child(cover)
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game.add_child(overlay)
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var viewport := SubViewport.new()
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viewport.size = Vector2i(256,256)
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viewport.own_world_3d = true
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viewport.render_target_update_mode = SubViewport.UPDATE_ALWAYS
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viewport.msaa_3d = game.get_viewport().msaa_3d
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game.add_child(viewport)
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var scene := Node3D.new()
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viewport.add_child(scene)
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var camera := Camera3D.new()
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scene.add_child(camera)
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camera.position = Vector3(0,3,12)
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camera.look_at(Vector3(0,2,0))
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camera.current = true
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# Render actual effect geometry in an isolated, undisplayed viewport.
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CombatVisuals.explosion(scene, Vector3.ZERO)
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CombatVisuals.impact(scene, Vector3(0,2,1))
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CombatVisuals.flash(scene, Vector3(1,2,0))
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for kind in ["flame", "embers", "smoke", "fireball", "flash"]:
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CombatVisuals.puff(scene, Vector3(0,2,2), 1.0, kind, 10, Vector3.ZERO)
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for frame in 4: await game.get_tree().process_frame
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await RenderingServer.frame_post_draw
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print("EFFECT PREWARM complete renderer=", RenderingServer.get_current_rendering_method())
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viewport.queue_free()
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overlay.queue_free()
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