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import type { CanvasRenderer } from "../canvas-renderer";
import { resolveStickerId } from "@/lib/stickers";
import { VisualNode, type VisualNodeParams } from "./visual-node";
export interface StickerNodeParams extends VisualNodeParams {
stickerId: string;
}
export class StickerNode extends VisualNode<StickerNodeParams> {
private image?: HTMLImageElement;
private readyPromise: Promise<void>;
constructor(params: StickerNodeParams) {
super(params);
this.readyPromise = this.load();
}
private async load() {
const image = new Image();
this.image = image;
const url = resolveStickerId({
stickerId: this.params.stickerId,
options: { width: 200, height: 200 },
});
await new Promise<void>((resolve, reject) => {
image.onload = () => resolve();
image.onerror = () =>
reject(new Error(`Failed to load sticker: ${this.params.stickerId}`));
image.src = url;
});
}
async render({ renderer, time }: { renderer: CanvasRenderer; time: number }) {
await super.render({ renderer, time });
if (!this.isInRange(time)) {
return;
}
await this.readyPromise;
if (!this.image) {
return;
}
this.renderVisual({
renderer,
source: this.image,
sourceWidth: 200,
sourceHeight: 200,
});
}
}
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