oops-plugin-framework/assets/libs/gui/language/LanguagePack.ts

/*
 * @Author: dgflash
 * @Date: 2021-07-03 16:13:17
 * @LastEditors: dgflash
 * @LastEditTime: 2023-08-22 16:34:28
 */
import { director, error, JsonAsset, TTFFont } from 'cc';
import { resLoader } from '../../../core/common/loader/ResLoader';
import { Logger } from '../../../core/common/log/Logger';
import { JsonUtil } from '../../../core/utils/JsonUtil';
import { LanguageData, LanguageDataType, LanguageType } from './LanguageData';

export class LanguagePack {
    /**
     * 刷新语言文字
     * @param lang
     */
    updateLanguage(lang: string) {
        const rootNodes = director.getScene()!.children;
        for (let i = 0; i < rootNodes.length; ++i) {
            LanguageType.forEach((type) => {
                const comps: any[] = rootNodes[i].getComponentsInChildren(type);
                for (let j = 0; j < comps.length; j++) {
                    comps[j].language();
                }
            });
        }
    }

    /**
     * 下载对应语言包资源
     * @param lang 语言标识
     * @param callback 下载完成回调
     */
    async loadLanguageAssets(lang: string, callback: Function) {
        await this.loadTexture(lang);
        await this.loadSpine(lang);
        await this.loadJson(lang);
        await this.loadTable(lang);

        callback(lang);
    }

    /** 多语言Excel配置表数据 */
    private async loadTable(lang: string): Promise<void> {
        try {
            const json = await JsonUtil.load('Language');
            if (json) {
                LanguageData.language.set(LanguageDataType.Excel, json);
                Logger.instance.logConfig('config/game/Language', '下载语言包 table 资源');
            }
        } catch (err) {
            error('[LanguagePack] 加载配置表失败:', err);
        }
    }

    /** 纹理多语言资源 */
    private loadTexture(lang: string): Promise<void> {
        return new Promise((resolve, reject) => {
            const path = `${LanguageData.path_texture}/${lang}`;
            resLoader.loadDir(path, (err: any, assets: any) => {
                if (err) {
                    error('[LanguagePack] 加载纹理资源失败:', err);
                    resolve();
                    return;
                }
                Logger.instance.logConfig(path, '下载语言包 textures 资源');
                resolve();
            });
        });
    }

    /** Json格式多语言资源 */
    private async loadJson(lang: string): Promise<void> {
        try {
            const path = `${LanguageData.path_json}/${lang}`;
            const jsonAsset = await resLoader.load(path, JsonAsset);
            if (jsonAsset) {
                LanguageData.language.set(LanguageDataType.Json, jsonAsset.json);
                Logger.instance.logConfig(path, '下载语言包 json 资源');
            }

            // 尝试加载字体资源
            const font = await resLoader.load(path, TTFFont);
            if (font) {
                LanguageData.font = font;
                Logger.instance.logConfig(path, '下载语言包 ttf 资源');
            }
        } catch (err) {
            error('[LanguagePack] 加载JSON资源失败:', err);
        }
    }

    /** SPINE动画多语言资源 */
    private loadSpine(lang: string): Promise<void> {
        return new Promise((resolve, reject) => {
            const path = `${LanguageData.path_spine}/${lang}`;
            resLoader.loadDir(path, (err: any, assets: any) => {
                if (err) {
                    error('[LanguagePack] 加载Spine资源失败:', err);
                    resolve();
                    return;
                }
                Logger.instance.logConfig(path, '下载语言包 spine 资源');
                resolve();
            });
        });
    }

    /**
     * 释放某个语言的语言包资源包括json
     * @param lang
     */
    releaseLanguageAssets(lang: string) {
        try {
            // 释放纹理资源目录
            const langTexture = `${LanguageData.path_texture}/${lang}`;
            resLoader.releaseDir(langTexture);

            // 释放JSON资源
            const langJson = `${LanguageData.path_json}/${lang}`;
            const json = resLoader.get(langJson, JsonAsset);
            if (json) {
                json.decRef();
            }

            // 释放字体资源
            const font = resLoader.get(langJson, TTFFont);
            if (font) {
                font.decRef();
            }

            // 释放Spine资源目录
            const langSpine = `${LanguageData.path_spine}/${lang}`;
            resLoader.releaseDir(langSpine);

            Logger.instance.logConfig(`释放语言包资源: ${lang}`);
        } catch (err) {
            error('[LanguagePack] 释放资源失败:', err);
        }
    }
}