arx-convert/dist/fts/helpers.js

Converts various Arx Fatalis formats to JSON or YAML and back

import { ArxPolygonFlags } from './Polygon.js';
import { COORDS_THAT_ROUND_UP } from './constants.js';
export function isQuad({ flags }) {
    return (flags & ArxPolygonFlags.Quad) !== 0;
}
export function isTiled({ flags }) {
    return (flags & ArxPolygonFlags.Tiled) !== 0;
}
export function addLightIndex(polygons) {
    let idx = 0;
    return polygons.map((polygon) => {
        polygon.vertices[0].llfColorIdx = idx;
        polygon.vertices[1].llfColorIdx = idx + 1;
        polygon.vertices[2].llfColorIdx = idx + 2;
        idx = idx + 3;
        if (isQuad(polygon)) {
            polygon.vertices[3].llfColorIdx = idx;
            idx = idx + 1;
        }
        return polygon;
    });
}
function doCoordsNeedToBeRoundedUp(coords) {
    const [a, b, c] = coords.sort((a, b) => {
        return a - b;
    });
    return COORDS_THAT_ROUND_UP.some(([x, y, z]) => {
        return a === x && b === y && c === z;
    });
}
export function getCellCoords([a, b, c]) {
    const x = (a.x + b.x + c.x) / 3;
    const z = (a.z + b.z + c.z) / 3;
    let cellX;
    if (doCoordsNeedToBeRoundedUp([a.x, b.x, c.x])) {
        cellX = Math.ceil(x / 100);
    }
    else {
        cellX = Math.floor(x / 100);
    }
    let cellY;
    if (doCoordsNeedToBeRoundedUp([a.z, b.z, c.z])) {
        cellY = Math.ceil(z / 100);
    }
    else {
        cellY = Math.floor(z / 100);
    }
    return [cellX, cellY];
}
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