feat: masks, properties refactor, shaders, storage migrations, and more

1 files changed, 196 insertions, 0 deletions

diff --git a/apps/web/src/services/storage/migrations/transformers/v11-to-v12.ts b/apps/web/src/services/storage/migrations/transformers/v11-to-v12.ts
new file mode 100644
index 00000000..fa1bd371
--- /dev/null
+++ b/apps/web/src/services/storage/migrations/transformers/v11-to-v12.ts
@@ -0,0 +1,196 @@
+import type { MigrationResult, ProjectRecord } from "./types";
+import { getProjectId, isRecord } from "./utils";
+
+export function transformProjectV11ToV12({
+	project,
+}: {
+	project: ProjectRecord;
+}): MigrationResult<ProjectRecord> {
+	if (!getProjectId({ project })) {
+		return { project, skipped: true, reason: "no project id" };
+	}
+
+	if (typeof project.version === "number" && project.version >= 12) {
+		return { project, skipped: true, reason: "already v12" };
+	}
+
+	const migratedProject = migrateProjectPosition({ project });
+
+	return {
+		project: { ...migratedProject, version: 12 },
+		skipped: false,
+	};
+}
+
+function migrateProjectPosition({
+	project,
+}: {
+	project: ProjectRecord;
+}): ProjectRecord {
+	const scenesValue = project.scenes;
+	if (!Array.isArray(scenesValue)) return project;
+
+	const migratedScenes = scenesValue.map((scene) =>
+		migrateScenePosition({ scene }),
+	);
+
+	return { ...project, scenes: migratedScenes };
+}
+
+function migrateScenePosition({ scene }: { scene: unknown }): unknown {
+	if (!isRecord(scene)) return scene;
+
+	const tracksValue = scene.tracks;
+	if (!Array.isArray(tracksValue)) return scene;
+
+	const migratedTracks = tracksValue.map((track) =>
+		migrateTrackPosition({ track }),
+	);
+
+	return { ...scene, tracks: migratedTracks };
+}
+
+function migrateTrackPosition({ track }: { track: unknown }): unknown {
+	if (!isRecord(track)) return track;
+
+	const elementsValue = track.elements;
+	if (!Array.isArray(elementsValue)) return track;
+
+	const migratedElements = elementsValue.map((element) =>
+		migrateElementPosition({ element }),
+	);
+
+	return { ...track, elements: migratedElements };
+}
+
+function migrateElementPosition({ element }: { element: unknown }): unknown {
+	if (!isRecord(element)) return element;
+
+	const animations = element.animations;
+	if (!isRecord(animations) || !isRecord(animations.channels)) return element;
+
+	const channels = animations.channels as Record<string, unknown>;
+	const xChannel = channels["transform.position.x"];
+	const yChannel = channels["transform.position.y"];
+
+	if (!xChannel && !yChannel) return element;
+
+	const baseTransform = isRecord(element.transform) ? element.transform : {};
+	const basePosition = isRecord(baseTransform.position)
+		? baseTransform.position
+		: {};
+	const baseX = typeof basePosition.x === "number" ? basePosition.x : 0;
+	const baseY = typeof basePosition.y === "number" ? basePosition.y : 0;
+
+	const xKeyframes = getKeyframes({ channel: xChannel });
+	const yKeyframes = getKeyframes({ channel: yChannel });
+
+	const allTimes = Array.from(
+		new Set([
+			...xKeyframes.map((kf) => kf.time),
+			...yKeyframes.map((kf) => kf.time),
+		]),
+	).sort((a, b) => a - b);
+
+	const vectorKeyframes = allTimes.map((time) => {
+		const xKf = xKeyframes.find((kf) => Math.abs(kf.time - time) < 0.001);
+		const yKf = yKeyframes.find((kf) => Math.abs(kf.time - time) < 0.001);
+		const x =
+			typeof xKf?.value === "number"
+				? xKf.value
+				: interpolateScalarAtTime({
+						keyframes: xKeyframes,
+						time,
+						fallback: baseX,
+					});
+		const y =
+			typeof yKf?.value === "number"
+				? yKf.value
+				: interpolateScalarAtTime({
+						keyframes: yKeyframes,
+						time,
+						fallback: baseY,
+					});
+		const interpolation = xKf?.interpolation ?? yKf?.interpolation ?? "linear";
+		return {
+			id: xKf?.id ?? yKf?.id ?? crypto.randomUUID(),
+			time,
+			value: { x, y },
+			interpolation,
+		};
+	});
+
+	const newChannels = { ...channels };
+	delete newChannels["transform.position.x"];
+	delete newChannels["transform.position.y"];
+	newChannels["transform.position"] = {
+		valueKind: "vector",
+		keyframes: vectorKeyframes,
+	};
+
+	return {
+		...element,
+		animations: { ...animations, channels: newChannels },
+	};
+}
+
+interface ScalarKeyframe {
+	id: string;
+	time: number;
+	value: number;
+	interpolation: string;
+}
+
+function getKeyframes({ channel }: { channel: unknown }): ScalarKeyframe[] {
+	if (!isRecord(channel)) return [];
+	if (!Array.isArray(channel.keyframes)) return [];
+	return channel.keyframes.flatMap((kf) => {
+		if (!isRecord(kf)) return [];
+		if (
+			typeof kf.id !== "string" ||
+			typeof kf.time !== "number" ||
+			typeof kf.value !== "number"
+		)
+			return [];
+		return [
+			{
+				id: kf.id,
+				time: kf.time,
+				value: kf.value,
+				interpolation:
+					typeof kf.interpolation === "string" ? kf.interpolation : "linear",
+			},
+		];
+	});
+}
+
+function interpolateScalarAtTime({
+	keyframes,
+	time,
+	fallback,
+}: {
+	keyframes: ScalarKeyframe[];
+	time: number;
+	fallback: number;
+}): number {
+	if (keyframes.length === 0) return fallback;
+
+	const sorted = [...keyframes].sort((a, b) => a.time - b.time);
+	const first = sorted[0];
+	const last = sorted[sorted.length - 1];
+
+	if (!first || !last) return fallback;
+	if (time <= first.time) return first.value;
+	if (time >= last.time) return last.value;
+
+	for (let i = 0; i < sorted.length - 1; i++) {
+		const left = sorted[i];
+		const right = sorted[i + 1];
+		if (time < left.time || time > right.time) continue;
+		if (left.interpolation === "hold") return left.value;
+		const t = (time - left.time) / (right.time - left.time);
+		return left.value + (right.value - left.value) * t;
+	}
+
+	return last.value;
+}