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Published 5 hours ago • verified publisherbdero.dev
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The engine-agnostic scene document core, the .fscene document model, stable ids, serialization, prefab composition, and diffing.

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Changelog #

0.4.1 #

  • TriMeshShape documents that a triangle collides from its front (counter-clockwise) face only.

0.4.0 #

  • GizmoOrthographicVolume draws an orthographic camera's view volume, sized by a bound fit mode, extents, zoom, and offset.
  • NodeSpec.shadowCastingMode carries a node's shadow casting mode (off, on, doubleSided, shadowsOnly), delta-serialized and overridable on prefab instances through the shadowCasting path.
  • EnvironmentEffectsSpec carries SMAA quality (smaaThreshold, smaaMaxSearchSteps, smaaMaxDiagonalSearchSteps, smaaCornerRounding), delta-serialized like the other effects.
  • The spec's temporal anti-aliasing defaults now match the renderer's.
  • SceneDocument.editor (EditorStateSpec, EditorCameraSpec) carries the editor camera pose and selection.
  • Added grid mesh splitting shared by editors and import pipelines: splitTriangleMeshByGrid bins whole triangles by world-space centroid into per-cell vertex/index buffers, and applyMeshSplitHints applies -split<N> node-name hints across a document (split children named Ground_x0_z3, hint stripped, orphaned source data removed).
  • Added documentWorldMatrix, countResourceReferences, and isPayloadReferenced document utilities.
  • Documents keep data this build does not read through a load and save. Unknown keys ride on the document, its specs, and their nested value objects (unknown), unknown .fsceneb chunks on SceneDocument.unknownChunks (UnknownChunk), and a property value with an unknown tag loads as an inert UnknownValue instead of failing the document.
  • Added encodeNode, which encodes one node the way encodeDocument does.

0.3.0 #

  • Standardized model-space front-face winding to Counter-Clockwise (CCW) in .fscene format version 5; version 4 documents migrate by swapping index pairs during realization.
  • .fsceneb format version 2 compresses payload chunks with gzip; older readers reject version 2.
  • MorphTargetsSpec and GeometryResource.morphTargets carry baked morph target deltas, names, and default weights.
  • AnimationProperty.weights animates morph weights.
  • .fscene version 4; a version-3 reader refuses a morph-bearing document instead of silently dropping the deltas. Version 3 documents read as-is.
  • EnvironmentEffectsSpec carries global illumination and temporal anti-aliasing settings, delta-serialized through .fscene and .fsceneb.

0.2.0 #

  • package:scene/schema.dart, the portable component schema model (ComponentSchema, ComponentPropertyDef, the tagged constraint taxonomy, formerNames/formerTypes).
  • Component schemas carry declarative editor gizmos (ComponentSchema.gizmo, the GizmoSpec primitive model with property-bound scalars, colors, and axes).
  • .fscene version 3, component properties delta-serialize and audio attenuation settings nest; version 2 documents migrate as-is.
  • Sun lights carry contactShadows, contactShadowDistance, and angularRadius.
  • Environment effects carry colorGradingLut (a .cube asset reference) and colorGradingLutBlend.
  • Ambient-occlusion effects carry indirectLight, method, sliceCount, stepsPerSlice, visibilityBitmask, thickness, thicknessHeuristic, bentNormals, and multiBounce.
  • Retuned effect defaults, ambient-occlusion intensity 1.0, bloom intensity 0.15, chromatic aberration 0.2, auto-exposure clamps -4/4 EV.
  • .fscene version 2 fixes every document to the native coordinate system and migrates left-handed version 1 documents.
  • Removed Handedness, UpAxis, StageMetadata.unitsPerMeter, NodeSpec.excludeFromWindingParity, and SkyEnvironmentSpec.castShadows.
  • Documents must declare their .fscene version.
  • SunLightSpec stores sky-driven analytic sun and cascaded-shadow settings.
  • payloadSource links a text manifest to a binary payload sidecar.
  • TorusGeometrySpec and IcosphereGeometrySpec procedural geometry, a torus around the Y axis and a geodesic sphere from a subdivided icosahedron.
  • Prefab instances add components to individual member nodes (MemberComponent, PrefabInstanceSpec.memberComponents), and PrefabOverrideAspect addresses one aspect of an override without re-parsing paths.
  • ConstantEnvironment, a reflection-free environment with uniform diffuse ambient radiance.
  • EnvironmentResource carries agxWhite, agxContrast, environmentRotationY, and overridesEffects.
  • encodeComponentSchemas/decodeComponentSchemas move a schema list through a manifest or cache payload, and propertyValuesEqual compares property values structurally.
  • copyWith on MaterialResource and PrefabInstanceSpec.

0.1.1 #

  • PhysicsSimulation.snapshot/restore (opt-in via supportsSnapshot), world serialization for rollback prediction and lag-compensation rewind.
  • PhysicsSimulation.setBodyPose, immediate body teleport for rollback correction (default throws on backends without it).
  • TextureResource carries a content role (color, data, normal) describing what its pixels represent.

0.1.0 #

  • Initial release, extracted from flutter_scene. The .fscene document model (SceneDocument, node/resource/payload specs), stable ids (DocumentId, LocalId, IdAllocator), JSON and binary serialization (.fscene/.fsceneb), prefab composition, and structural diffing, as a pure Dart package.

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Metadata

The engine-agnostic scene document core, the .fscene document model, stable ids, serialization, prefab composition, and diffing.

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Topics

#game-engine #gamedev #scene-graph

License

MIT (license)

Dependencies

archive, vector_math

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