arx-convert/dist/fts/Cell.js

Converts various Arx Fatalis formats to JSON or YAML and back

import { BinaryIO } from '../common/BinaryIO.js';
import { concatArrayBuffers, times } from '../common/helpers.js';
import { Polygon } from './Polygon.js';
import { SceneInfo } from './SceneInfo.js';
export class Cell {
    static readFrom(binary) {
        const { numberOfPolygons, numberOfAnchors } = SceneInfo.readFrom(binary);
        const data = {
            polygons: times(() => {
                return Polygon.readFrom(binary);
            }, numberOfPolygons),
        };
        if (numberOfAnchors > 0) {
            data.anchors = binary.readInt32Array(numberOfAnchors);
        }
        return data;
    }
    static accumulateFrom(cell) {
        const anchors = cell.anchors ?? [];
        const buffer = new ArrayBuffer(SceneInfo.sizeOf() + Polygon.sizeOf() * cell.polygons.length + BinaryIO.sizeOfInt32Array(anchors.length));
        const binary = new BinaryIO(buffer);
        binary.writeBuffer(SceneInfo.accumulateFrom(cell));
        binary.writeBuffer(concatArrayBuffers(cell.polygons.map(Polygon.accumulateFrom)));
        binary.writeInt32Array(anchors);
        return buffer;
    }
}
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