mdx-m3-viewer/dist/cjs/parsers/w3x/wts/file.js

A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tokenstream_1 = require("../../mdlx/tokenstream");
/**
 * war3map.wts - the string table file.
 *
 * Contains a map of number->string.
 * When other map data like triggers use the string TRIGSTR_XXX, where XXX is a number, the value will be fetched from the table.
 */
class War3MapWts {
    constructor() {
        this.stringMap = new Map();
    }
    load(buffer) {
        const stream = new tokenstream_1.default(buffer);
        let token;
        // Find the first instance of "STRING".
        // There are some weird war3map.wts files that begin with the bytes "", and this causes the tokenizer to see the first token as "STRING".
        // Going to the first "STRING" means we can ignore any weird bytes that happened to be before.
        const start = buffer.indexOf('STRING');
        // Can war3map.wts have no entries? I don't know, might as well add a condition.
        if (start === -1) {
            throw new Error('Not a valid war3map.wts buffer');
        }
        stream.index = start;
        while ((token = stream.readToken())) {
            if (token === 'STRING') {
                const index = stream.readInt();
                stream.read(); // {
                const end = buffer.indexOf('}', stream.index);
                // For broken files, keep whatever data can be kept, and throw an exception.
                if (end === -1) {
                    this.stringMap.set(index, buffer.slice(stream.index, buffer.length).trim());
                    throw new Error(`WTS: missing data in string ${this.stringMap.size} (and maybe more)`);
                }
                this.stringMap.set(index, buffer.slice(stream.index, end).trim());
                stream.index = end;
            }
        }
    }
    save() {
        let buffer = '';
        for (const [key, value] of this.stringMap) {
            buffer += `STRING ${key}\r\n{\r\n${value}\r\n}\r\n\r\n`;
        }
        return buffer;
    }
    /**
     * Get the string at the given index.
     *
     * Strings in the form "TRIGSTR_nnn" are also supported.
     */
    getString(index) {
        if (typeof index === 'string') {
            if (index.startsWith('TRIGSTR_')) {
                return this.stringMap.get(parseInt(index.slice(8)));
            }
        }
        else {
            return this.stringMap.get(index);
        }
        return;
    }
    /**
     * Set the string at the given index.
     *
     * Strings in the form "TRIGSTR_nnn" are also supported.
     */
    setString(index, value) {
        if (typeof index === 'string') {
            if (index.startsWith('TRIGSTR_')) {
                this.stringMap.set(parseInt(index.slice(8)), value);
            }
        }
        else {
            this.stringMap.set(index, value);
        }
    }
}
exports.default = War3MapWts;
//# sourceMappingURL=file.js.map