zwitschi
e46a877556
Roadmap gains two sections: 'Review scene and player placement' (this pass) and 'Character development' (follow-on). The camera list is now one table of (name, location, target) with look-at rotations computed from the pairs, so a camera cannot drift out of aim when one number changes. New shots: player-placement (the real pawn, staged in the build script), ground-contact (knee height, feet on the plane), shadow-compare (floating vs grounded cube from a low angle), and hero-portals (whole elevation). The review floor grows to 160 m so the facade stands on ground rather than the horizon band. Retired: the first-person shot. Honest gap recorded in the roadmap: the hero portals sit behind the colonnade and do not resolve from the review floor; that needs a camera on the plinth or a portal rebuild, not another angle.
204 lines
10 KiB
Python
204 lines
10 KiB
Python
# Builds /Game/Test/ReviewMap — the visual-review scene — and saves it as a
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# map asset. Run before the screenshot pass (Tools/render_screenshots.sh does
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# this automatically).
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#
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# Scene: metric floor, key light, fill sky, sky atmosphere, MPFB character,
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# the three 1 m scale cubes, and an AGigLineShotActor with the camera list.
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#
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# UnrealEditor-Cmd <uproject> -run=pythonscript -script=<repo>/Tools/ue_build_review_map.py \
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# -nullrhi -unattended -nopause -stdout
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#
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# Do NOT load_map here: after a map load the commandlet's spawn context dies
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# (every spawn_actor call returns None). Everything is spawned into the
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# default world and saved as a new map asset.
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import os
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import unreal
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RESULT = "/tmp/ue-review-map-result.txt"
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MAP_PATH = "/Game/Test/ReviewMap"
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lines = []
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def log(msg):
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lines.append(str(msg))
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def spawn(cls, loc, label=None, scale=None, rot=None):
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a = unreal.EditorLevelLibrary.spawn_actor_from_class(cls, loc)
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if a is None:
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log(f"spawn {cls.__name__} returned None")
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return None
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if rot is not None:
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a.set_actor_rotation(rot, False)
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if scale is not None:
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a.set_actor_scale3d(scale)
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if label:
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a.set_actor_label(label)
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return a
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# --- scene -------------------------------------------------------------------
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try:
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# Neutral gray floor material (the scale-test mesh ships red)
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floor_mat = None
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if not unreal.EditorAssetLibrary.does_asset_exist("/Game/Test/M_ReviewFloor"):
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floor_mat = unreal.AssetToolsHelpers.get_asset_tools().create_asset(
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"M_ReviewFloor", "/Game/Test", unreal.Material, unreal.MaterialFactoryNew())
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n = unreal.MaterialEditingLibrary.create_material_expression(
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floor_mat, unreal.MaterialExpressionConstant3Vector)
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n.set_editor_property("constant", unreal.LinearColor(0.35, 0.35, 0.35, 1.0))
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unreal.MaterialEditingLibrary.connect_material_property(
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n, "", unreal.MaterialProperty.MP_BASE_COLOR)
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unreal.MaterialEditingLibrary.recompile_material(floor_mat)
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unreal.EditorAssetLibrary.save_loaded_asset(floor_mat)
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else:
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floor_mat = unreal.EditorAssetLibrary.load_asset("/Game/Test/M_ReviewFloor")
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floor_mesh = unreal.EditorAssetLibrary.load_asset("/Game/Test/ScaleTest/ScaleTest_A")
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if floor_mesh and floor_mat:
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# 1 m reference cube scaled to 90 m x 90 m x 0.1 m, top face at Z 0. The
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# scale is applied on the actor, so Z is -5 cm (+/- 5 cm around centre).
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# Covers the review scene AND the hero blockout 100 m away, so facade shots
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# no longer end at the black horizon band (160 m square, top face at Z 0).
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floor = spawn(unreal.StaticMeshActor, unreal.Vector(-5000, 450, -5.0), "ReviewFloor",
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scale=(160.0, 160.0, 0.1))
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if floor:
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floor.static_mesh_component.set_static_mesh(floor_mesh)
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floor.static_mesh_component.set_material(0, floor_mat)
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log("staged: floor (160 m square, gray, top face Z 0)")
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else:
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log("floor spawn failed")
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if spawn(unreal.DirectionalLight, unreal.Vector(0, 0, 900), "RenderKeyLight",
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rot=unreal.Rotator(pitch=-38.0, yaw=35.0, roll=0.0)):
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log("staged: DirectionalLight")
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if spawn(unreal.SkyLight, unreal.Vector(0, 0, 1200), "RenderFillSky"):
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log("staged: SkyLight")
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if spawn(unreal.SkyAtmosphere, unreal.Vector(0, 0, 0), "RenderSky"):
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log("staged: SkyAtmosphere")
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char_mesh = unreal.EditorAssetLibrary.load_asset("/Game/Test/Character/character")
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if char_mesh:
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ch = spawn(unreal.SkeletalMeshActor, unreal.Vector(0, 0, 0), "ReviewCharacter",
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rot=unreal.Rotator(pitch=0.0, yaw=180.0, roll=0.0))
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if ch:
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comp = ch.skeletal_mesh_component
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comp.set_skinned_asset_and_update(char_mesh)
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# Root at the soles, not the world origin: the composes put feet on the
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# floor's top face (Z = 0). If the skeletal root is not at the soles the
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# character would float or sink, so report the bounds for the review.
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if hasattr(ch, "set_actor_location"):
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ch.set_actor_location(unreal.Vector(0, 0, 0), False, False)
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mn, mx = (None, None)
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try:
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_origin, _box = ch.get_actor_bounds(False)
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log(f"staged: MPFB character at origin, bounds z {_box.z:.1f} cm")
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except Exception as exc: # noqa: BLE001
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log(f"character bounds unavailable: {exc!r}")
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log("staged: MPFB character at origin, facing -Y")
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else:
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log("MISSING: /Game/Test/Character/character")
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# Two cubes only, on purpose: one resting on the floor gives the ground-contact
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# and scale reference, one held at 2 m gives a clean cast shadow to compare
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# against. Their positions are chosen so both are in the overview frame and
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# neither overlaps the character.
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cube_specs = (
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("ScaleTest_A", -250.0, 600.0, 50.0, "on the ground: base at Z 0"),
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("ScaleTest_B", 250.0, 600.0, 250.0, "floating at 2 m: casts a separation shadow"),
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)
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for name, x, y, z, why in cube_specs:
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m = unreal.EditorAssetLibrary.load_asset(f"/Game/Test/ScaleTest/{name}")
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if m:
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c = spawn(unreal.StaticMeshActor, unreal.Vector(x, y, z), f"Cube_{name}")
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if c:
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c.static_mesh_component.set_static_mesh(m)
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log(f"staged: {name} at ({x}, {y}, {z}) - {why}")
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# Hero facade, if the import has run: two views a reviewer needs — straight on
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# from the north sidewalk, and the oblique street view from further west.
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# Hero placement in Unreal centimetres (see Geo/manifests/local-origin.md):
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# front plane on the building line, body behind it.
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hero_x = -12024.5 + 1302.0
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hero_y = -1450.0 + 7.0
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hero = unreal.EditorAssetLibrary.load_asset("/Game/Hollywood/ElCapitan/SM_HeroFacade")
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# The imported mesh spans Y -7..+1250 cm in local space (front plane at -7, the
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# body behind it) and is centred on X, so the actor sits at building line + 7 cm.
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if hero:
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actor = spawn(unreal.StaticMeshActor, unreal.Vector(hero_x, hero_y, 0.0), "Hero_Facade")
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if actor:
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actor.static_mesh_component.set_static_mesh(hero)
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actor.static_mesh_component.set_mobility(unreal.ComponentMobility.STATIC)
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log("staged: hero facade at the measured building line")
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else:
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log("MISSING: /Game/Hollywood/ElCapitan/SM_HeroFacade (run Tools/ue_hero_facade_import.py)")
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# --- player pawn ---------------------------------------------------------
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# The review rounds must show the pawn the game actually spawns, not only the
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# mannequin. Spawn the real character class so its capsule, camera height and
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# ground contact are what gets rendered.
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pawn = None
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char_class = unreal.load_class(None, "/Script/GigLine.GigLineCharacter")
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if char_class:
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pawn = spawn(char_class, unreal.Vector(0, 0, 90), "PlayerPawn")
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if pawn:
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log("staged: PlayerPawn (AGigLineCharacter) at the spawn point")
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else:
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log("MISSING: /Script/GigLine.GigLineCharacter")
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# --- camera list ---------------------------------------------------------
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# Every camera is a (name, location, target) triple; the look-at rotation is
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# computed from the pair so a camera cannot drift out of aim when one number
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# changes. Keep retired shots out of this list entirely.
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cams = [
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# wide scene: character, both cubes, floor
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("overview", unreal.Vector(700, -900, 620), unreal.Vector(0, 300, 80)),
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# the MPFB mannequin, mid shot
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("character", unreal.Vector(200, -300, 160), unreal.Vector(0, 0, 85)),
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# both cubes from the south: contact shadow vs cast shadow
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("scale-cubes", unreal.Vector(0, -900, 200), unreal.Vector(0, 600, 80)),
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# the pawn the game spawns, with the grounded cube beside it
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("player-placement", unreal.Vector(320, -520, 140), unreal.Vector(0, 0, 80)),
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# low, close on feet and cube base: ground contact must be obvious
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("ground-contact", unreal.Vector(180, -260, 35), unreal.Vector(0, 40, 20)),
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# shadow comparison, low angle so both shadows read
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("shadow-compare", unreal.Vector(-650, -700, 120), unreal.Vector(0, 600, 60)),
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# the three entry portals at street level
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# street level, aimed at the base of the centre portal: the portals sit at
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# Z 0..340 cm behind a 145 cm plinth, so the camera looks slightly down and
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# targets the portal sill rather than the centre of the elevation.
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# Standing 25 m out at eye height frames the whole elevation, which is what
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# the portal detail needs: the portals are small against a 14.5 m façade.
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("hero-portals", unreal.Vector(hero_x + 150, -4000, 170), unreal.Vector(hero_x + 150, hero_y, 420)),
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# straight on from the north sidewalk; the building body spans Y -1443..+250
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("hero-facade-front", unreal.Vector(hero_x + 200, -3200, 420), unreal.Vector(hero_x, hero_y + 400, 760)),
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# oblique from the north-west, reading the colonnade in depth
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("hero-facade-oblique", unreal.Vector(hero_x - 2200, -3400, 620), unreal.Vector(hero_x + 300, hero_y, 700)),
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]
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shots = spawn(unreal.GigLineShotActor, unreal.Vector(0, 0, 300), "ShotSequencer")
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if shots:
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shots.set_editor_property("shot_locations", [c[1] for c in cams])
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shots.set_editor_property(
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"shot_rotations",
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[unreal.MathLibrary.find_look_at_rotation(c[1], c[2]) for c in cams])
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shots.set_editor_property("shot_names", [c[0] for c in cams])
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shots.set_editor_property("quit_when_done", True)
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log(f"staged: ShotSequencer with {len(cams)} cameras: {', '.join(c[0] for c in cams)}")
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except Exception as exc: # noqa
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log(f"staging failed: {exc!r}")
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# --- save --------------------------------------------------------------------
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try:
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world = unreal.EditorLevelLibrary.get_editor_world()
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saved = unreal.EditorLoadingAndSavingUtils.save_map(world, MAP_PATH)
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log(f"save_map {MAP_PATH}: {saved}")
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except Exception as exc: # noqa
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log(f"save_map failed: {exc!r}")
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with open(RESULT, "w") as f:
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f.write("\n".join(lines) + "\n")
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