arx-convert/dist/fts/Portal.js

Converts various Arx Fatalis formats to JSON or YAML and back

import { BinaryIO } from '../common/BinaryIO.js';
import { PortalPolygon } from './PortalPolygon.js';
export class Portal {
    static readFrom(binary) {
        const data = {
            polygon: PortalPolygon.readFrom(binary),
            room1: binary.readInt32(), // facing normal
            room2: binary.readInt32(),
            usePortal: binary.readInt16(),
        };
        binary.readInt16(); // paddy - unused by Arx, always 0
        return data;
    }
    static accumulateFrom(portal, levelIdx) {
        const buffer = new ArrayBuffer(Portal.sizeOf());
        const binary = new BinaryIO(buffer);
        binary.writeBuffer(PortalPolygon.accumulateFrom(portal.polygon, levelIdx));
        binary.writeInt32(portal.room1);
        binary.writeInt32(portal.room2);
        binary.writeInt16(portal.usePortal);
        binary.writeInt16(0); // paddy
        return buffer;
    }
    static sizeOf() {
        return PortalPolygon.sizeOf() + BinaryIO.sizeOfInt32Array(2) + BinaryIO.sizeOfInt16Array(2);
    }
}
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