Trailer tool (Movie Maker + ffmpeg) and a static download page built per release
This commit is contained in:
Paul Bailey
274
tools/trailer/trailer.gd
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274
tools/trailer/trailer.gd
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extends SceneTree
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## Temporary: a ~32 s test trailer, recorded with Movie Maker:
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## godot --path . --fixed-fps 30 --write-movie out.avi --script tools/trailer/trailer.gd -- --no-creatures
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## Six shots: dawn flyover + title, morning meadow, a hut at dusk, the wolf
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## moon, a blizzard, and an end card.
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const FPS := 30.0
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const UITheme = preload("res://scripts/ui/theme.gd")
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var world: Node3D
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var cam: Camera3D
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var dn: Node
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var black: ColorRect
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var big: Label
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var sub: Label
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var cap: Label
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var hut_c := Vector3.ZERO
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var fire_p := Vector3.ZERO
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var yaw := 0.0
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func _initialize() -> void:
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_run.call_deferred()
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func _h(x: float, z: float) -> float:
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return world.terrain.sample_height(x, z)
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func _g(p: Vector3, up: float = 0.0) -> Vector3:
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return Vector3(p.x, _h(p.x, p.z) + up, p.z)
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func _run() -> void:
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var H: Node = root.get_node("Hints")
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H.path = "user://trailer_hints.json" # (never your real tips)
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H.load_prefs()
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H.enabled = false
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world = load("res://scenes/world.tscn").instantiate()
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root.add_child(world)
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for _i in range(8):
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await process_frame
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var p: CharacterBody3D = world.player
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p.set_physics_process(false)
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p.survival.set_process(false)
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if world.hud != null:
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world.hud.visible = false
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if world.has_node("HUD"):
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world.get_node("HUD").visible = false
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if world.wolves != null:
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world.wolves.enabled = false
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dn = world.day_night
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dn.frozen = true
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world.weather.set_process(false)
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world.weather.force("clear")
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cam = Camera3D.new()
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cam.fov = 62
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world.add_child(cam)
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cam.current = true
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_overlay()
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await _stage()
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await _shot_dawn()
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await _shot_meadow()
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await _shot_hut()
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await _shot_wolves()
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await _shot_blizzard()
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await _shot_end()
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DirAccess.remove_absolute(H.path)
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quit(0)
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# --- set dressing --------------------------------------------------------------------
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func _stage() -> void:
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var spawn: Vector3 = world.player.global_position
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var site: Vector3 = world.build.debug_find_site(spawn + Vector3(10, 0, 6), 3.0)
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yaw = 0.6
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var hut: Dictionary = await world.build.debug_build_hut(site, yaw)
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hut_c = site
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if hut.has("pieces") and not hut.pieces.is_empty():
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hut_c = hut.pieces[0].global_transform * Vector3(1, 0, 1)
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var b := Basis(Vector3.UP, yaw)
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fire_p = _g(hut_c + b * Vector3(0, 0, 5.5))
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var fire: Node3D = world.spawn_piece(ItemDBRef().get_item("campfire"), Transform3D(Basis(), fire_p))
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fire.fuel = fire.MAX_FUEL
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for _i in range(5):
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await physics_frame
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func ItemDBRef() -> Node:
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return root.get_node("ItemDB")
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func _park_player(at: Vector3) -> void:
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world.player.global_position = at # (the weather particles follow the player)
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# --- overlay -------------------------------------------------------------------------
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func _overlay() -> void:
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var ui := CanvasLayer.new()
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ui.layer = 50
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root.add_child(ui)
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var r := Control.new()
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r.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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ui.add_child(r)
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big = UITheme.label("", 84)
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sub = UITheme.label("", 26, Color(0.95, 0.9, 0.8))
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cap = UITheme.label("", 34)
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for l in [big, sub, cap]:
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l.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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l.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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l.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
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l.add_theme_constant_override("outline_size", 6 if l == big else 3)
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l.add_theme_color_override("font_outline_color", Color(0, 0, 0, 0.55))
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l.add_theme_color_override("font_shadow_color", Color(0, 0, 0, 0.5))
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l.add_theme_constant_override("shadow_offset_x", 2)
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l.add_theme_constant_override("shadow_offset_y", 2)
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l.modulate.a = 0.0
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r.add_child(l)
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big.offset_top = -70
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# The smaller lines sit on a soft dark box, so they read over snow and sun.
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var box := StyleBoxFlat.new()
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box.bg_color = Color(0.04, 0.03, 0.02, 0.55)
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box.set_corner_radius_all(8)
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box.content_margin_left = 22
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box.content_margin_right = 22
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box.content_margin_top = 8
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box.content_margin_bottom = 10
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for l in [sub, cap]:
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l.add_theme_stylebox_override("normal", box)
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l.grow_horizontal = Control.GROW_DIRECTION_BOTH
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l.grow_vertical = Control.GROW_DIRECTION_BOTH
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sub.set_anchors_and_offsets_preset(Control.PRESET_CENTER)
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sub.offset_top = 46
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sub.offset_bottom = 46
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cap.set_anchors_and_offsets_preset(Control.PRESET_CENTER_BOTTOM)
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cap.grow_vertical = Control.GROW_DIRECTION_BEGIN
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cap.offset_top = -70
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cap.offset_bottom = -70
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black = ColorRect.new()
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black.color = Color.BLACK
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black.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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r.add_child(black)
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## 0..1 ramp: in over `fin` seconds from `a`, out over `fout` ending at `b`.
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static func _env(t: float, a: float, b: float, fin: float = 0.6, fout: float = 0.6) -> float:
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if t < a or t > b:
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return 0.0
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return clampf(minf((t - a) / fin, (b - t) / fout), 0.0, 1.0)
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## Runs `secs` of a shot: `f(t, k)` each frame (t seconds, k = 0..1); fades
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## from and to black at its ends.
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func _shot(secs: float, f: Callable, caption: String = "", fade: float = 0.5) -> void:
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var n := int(secs * FPS)
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cap.text = caption
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for i in range(n):
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var t := i / FPS
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f.call(t, t / secs)
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black.modulate.a = 1.0 - _env(t, 0.0, secs, fade, fade)
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cap.modulate.a = _env(t, 0.6, secs - 0.3, 0.5, 0.5) if not caption.is_empty() else 0.0
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await process_frame
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func _clock(hours: float) -> void:
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dn.time = hours / 24.0
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dn.apply(true)
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# --- the shots -------------------------------------------------------------------------
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func _shot_dawn() -> void:
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big.text = "EMBERWILD"
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sub.text = "Survive the island. Build a home."
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var c := Vector3(0, 0, -10)
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await _shot(7.5, func(t: float, k: float):
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_clock(7.4 + k * 0.8)
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var a := 2.2 + k * 0.55
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cam.global_position = c + Vector3(cos(a), 0, sin(a)) * 115.0 + Vector3(0, 58.0 - k * 10.0, 0)
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cam.look_at(c + Vector3(0, 6, 0))
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_park_player(cam.global_position)
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big.modulate.a = _env(t, 1.4, 6.6, 1.0, 0.8)
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sub.modulate.a = _env(t, 2.4, 6.6, 1.0, 0.8), "", 0.9)
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func _shot_meadow() -> void:
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var from := _g(hut_c + Vector3(-30, 0, -22), 2.2)
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var to := _g(hut_c + Vector3(-12, 0, -8), 1.8)
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var cre: Node = world.creatures
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var herd: Array = []
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for i in range(3):
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var at := _g(hut_c + Vector3(-14 + i * 2.5, 0, -2 + i * 1.5))
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var d = cre.spawn("deer" if i < 2 else "rabbit", at)
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if d != null:
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herd.append(d)
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await _shot(5.0, func(_t: float, k: float):
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_clock(9.0)
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var pos := from.lerp(to, k)
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pos.y = maxf(pos.y, _h(pos.x, pos.z) + 1.8)
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cam.global_position = pos
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cam.look_at(_g(hut_c + Vector3(-14, 0, 0), 1.0))
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_park_player(pos), "Gather. Hunt. Cook.")
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for d in herd:
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if is_instance_valid(d):
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d.queue_free()
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func _shot_hut() -> void:
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var b := Basis(Vector3.UP, yaw)
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var from := _g(hut_c + b * Vector3(9, 0, 13), 3.2)
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var to := _g(hut_c + b * Vector3(4, 0, 9.5), 2.0)
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await _shot(6.0, func(_t: float, k: float):
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_clock(18.25 + k * 0.4)
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var e := k * k * (3.0 - 2.0 * k)
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cam.global_position = from.lerp(to, e)
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cam.look_at((hut_c + fire_p) * 0.5 + Vector3(0, 1.3, 0))
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_park_player(cam.global_position), "Build a home.")
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func _shot_wolves() -> void:
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dn.day = 7
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# Three wolves, walked round the far side of the fire by hand (in the
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# fire's light, in frame) rather than left to their own circling.
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var pack: Array = []
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for i in range(3):
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var w: Node3D = load("res://scripts/creatures/tutorial_wolf.gd").new()
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w.setup("wolf", world, _g(fire_p + Vector3(7, 0, 0)), 900 + i)
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world.add_child(w)
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w.set_physics_process(false)
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w.set_process(false)
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pack.append(w)
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for _i in range(5):
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await physics_frame
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# A warm fill from the fire's side, so the circling pack reads at night.
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var fill := OmniLight3D.new()
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fill.light_color = Color(1.0, 0.62, 0.35)
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fill.light_energy = 2.2
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fill.omni_range = 18.0
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fill.shadow_enabled = true
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world.add_child(fill)
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fill.global_position = fire_p + Vector3(0, 3.5, 0)
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await _shot(5.5, func(_t: float, k: float):
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_clock(21.6)
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var a := yaw + 2.4 + k * 0.35
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cam.global_position = _g(fire_p + Vector3(cos(a), 0, sin(a)) * 3.4, 1.7)
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cam.look_at(_g(fire_p - Vector3(cos(a), 0, sin(a)) * 6.0, 0.4))
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_park_player(cam.global_position)
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var far := a + PI
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for i in range(pack.size()):
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var wa := far - 0.75 + i * 0.6 + k * 0.45
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var r := 5.0 + i * 0.7
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var wp := _g(fire_p + Vector3(cos(wa), 0, sin(wa)) * r)
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var to := _g(fire_p + Vector3(cos(wa + 0.2), 0, sin(wa + 0.2)) * r) - wp
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pack[i].global_position = wp
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pack[i].rotation.y = atan2(-to.x, -to.z), "Hold out through the night.") # (creatures face -Z, as creature.gd)
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fill.queue_free()
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for w in pack:
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if is_instance_valid(w):
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w.queue_free()
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dn.day = 3
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func _shot_blizzard() -> void:
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world.weather.force("blizzard")
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var b := Basis(Vector3.UP, yaw)
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for _i in range(60):
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await process_frame # (let the snow build up)
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await _shot(4.5, func(_t: float, k: float):
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_clock(13.0)
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var a := yaw - 0.4 - k * 0.25
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cam.global_position = _g(hut_c + Vector3(cos(a), 0, sin(a)) * 14.0, 3.0)
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cam.look_at(hut_c + Vector3(0, 1.5, 0))
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_park_player(cam.global_position), "Weather the winter.")
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world.weather.force("clear")
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if world.weather_fx != null:
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world.weather_fx.visible = false # (no leftover snow on the end card)
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func _shot_end() -> void:
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big.text = "EMBERWILD"
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sub.text = "Self-hosted co-op survival · 0.1.0"
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var b := Basis(Vector3.UP, yaw)
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await _shot(6.0, func(t: float, k: float):
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_clock(17.6 + k * 0.4)
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cam.global_position = _g(hut_c + b * Vector3(10, 0, 9), 0.0) + Vector3(0, 6.0 + k * 10.0, 0) + b * Vector3(0, 0, k * 10.0)
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cam.look_at(hut_c + Vector3(0, 1.0, 0))
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_park_player(cam.global_position)
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big.modulate.a = _env(t, 0.8, 5.6, 0.8, 0.6)
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sub.modulate.a = _env(t, 1.6, 5.6, 0.8, 0.6), "", 0.7)
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