82 lines
2.5 KiB
TypeScript
82 lines
2.5 KiB
TypeScript
export class LevelCompressedManager {
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private static instance: LevelCompressedManager;
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private levelDataCache: Map<number, any> = new Map();
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private allLevelsData: any = null;
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private compressedData: string = null;
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private isLoading: boolean = false;
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private static get LZString(): any {
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return (window as any).LZString;
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}
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public static getInstance(): LevelCompressedManager {
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if (!LevelCompressedManager.instance) {
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LevelCompressedManager.instance = new LevelCompressedManager();
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}
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return LevelCompressedManager.instance;
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}
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public setCompressedData(compressed: string): void {
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this.compressedData = compressed;
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this.allLevelsData = null;
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this.levelDataCache.clear();
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}
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public async loadLevel(level: number): Promise<any> {
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if (this.levelDataCache.has(level)) {
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return this.levelDataCache.get(level);
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}
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await this.ensureDataLoaded();
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if (this.allLevelsData && this.allLevelsData[level]) {
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const levelData = this.allLevelsData[level];
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this.levelDataCache.set(level, levelData);
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return levelData;
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}
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return null;
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}
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private async ensureDataLoaded(): Promise<void> {
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if (this.allLevelsData !== null) {
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return;
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}
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if (this.isLoading) {
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return;
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}
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this.isLoading = true;
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try {
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if (this.compressedData) {
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const decompressed = LevelCompressedManager.LZString.decompressFromUTF16(this.compressedData);
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if (decompressed) {
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this.allLevelsData = JSON.parse(decompressed);
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console.log(`关卡数据解压成功，共 ${Object.keys(this.allLevelsData).length} 个关卡`);
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} else {
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console.error('关卡数据解压失败');
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this.allLevelsData = {};
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}
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} else {
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console.warn('没有设置压缩数据');
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this.allLevelsData = {};
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}
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} catch (e) {
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console.error('关卡数据解析失败:', e);
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this.allLevelsData = {};
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} finally {
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this.isLoading = false;
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}
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}
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public clearCache(): void {
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this.levelDataCache.clear();
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}
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public getLevelCount(): number {
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return this.allLevelsData ? Object.keys(this.allLevelsData).length : 0;
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}
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}
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