OpenCut/apps/web/src/commands/timeline/element/keyframes/update-scalar-keyframe-curv...

86 lines
2.1 KiB
TypeScript

import { EditorCore } from "@/core";
import {
updateScalarKeyframeCurve,
} from "@/animation";
import { Command, type CommandResult } from "@/commands/base-command";
import { updateElementInSceneTracks } from "@/timeline";
import { resolveAnimationTarget } from "@/timeline/animation-targets";
import type {
AnimationPath,
ScalarCurveKeyframePatch,
} from "@/animation/types";
import type { SceneTracks } from "@/timeline";
export class UpdateScalarKeyframeCurveCommand extends Command {
private savedState: SceneTracks | null = null;
private readonly trackId: string;
private readonly elementId: string;
private readonly propertyPath: AnimationPath;
private readonly componentKey: string;
private readonly keyframeId: string;
private readonly patch: ScalarCurveKeyframePatch;
constructor({
trackId,
elementId,
propertyPath,
componentKey,
keyframeId,
patch,
}: {
trackId: string;
elementId: string;
propertyPath: AnimationPath;
componentKey: string;
keyframeId: string;
patch: ScalarCurveKeyframePatch;
}) {
super();
this.trackId = trackId;
this.elementId = elementId;
this.propertyPath = propertyPath;
this.componentKey = componentKey;
this.keyframeId = keyframeId;
this.patch = patch;
}
execute(): CommandResult | undefined {
const editor = EditorCore.getInstance();
this.savedState = editor.scenes.getActiveScene().tracks;
const updatedTracks = updateElementInSceneTracks({
tracks: this.savedState,
trackId: this.trackId,
elementId: this.elementId,
update: (element) => {
if (!resolveAnimationTarget({ element, path: this.propertyPath })) {
return element;
}
return {
...element,
animations: updateScalarKeyframeCurve({
animations: element.animations,
propertyPath: this.propertyPath,
componentKey: this.componentKey,
keyframeId: this.keyframeId,
patch: this.patch,
}),
};
},
});
editor.timeline.updateTracks(updatedTracks);
return undefined;
}
undo(): void {
if (!this.savedState) {
return;
}
const editor = EditorCore.getInstance();
editor.timeline.updateTracks(this.savedState);
}
}