core-egret.Endian

egret.Endian 大小端設置範例

class Main extends eui.UILayer {

    protected createChildren(): void {
        super.createChildren();
        egret.lifecycle.onPause = () => egret.ticker.pause();
        egret.lifecycle.onResume = () => egret.ticker.resume();
        egret.registerImplementation('eui.IAssetAdapter', new AssetAdapter());
        egret.registerImplementation('eui.IThemeAdapter', new ThemeAdapter());
        this.runGame();
    }

    private async loadResource() {
        let loadingView = this.stage.addChild(new LoadingUI()) as LoadingUI;
        await RES.loadConfig('resource/default.res.json', 'resource/');
        await new Promise(resolve => new eui.Theme('resource/default.thm.json', this.stage).once(eui.UIEvent.COMPLETE, resolve, this));
        await RES.loadGroup('preload', 0, loadingView);
        this.stage.removeChild(loadingView);
    }

    private async runGame() {
        await this.loadResource();
        // --- Edwin 給你最乾淨的程式碼, 從這行以下開始寫喔 ---

        // 大小端差異 https://blog.gtwang.org/programming/difference-between-big-endian-and-little-endian-implementation-in-c/
        let byte = new egret.ByteArray();
        byte.endian = egret.Endian.BIG_ENDIAN;
        byte.writeInt(0x12345678);
        byte.position = 0;
        console.log(byte.readByte().toString(16), byte.readByte().toString(16)); //12 34 (由左到右讀取字節)
        byte = new egret.ByteArray();
        byte.endian = egret.Endian.LITTLE_ENDIAN;
        byte.writeInt(0x12345678);
        byte.position = 0;
        console.log(byte.readByte().toString(16), byte.readByte().toString(16)); //78 56 (由右到左讀取字節)
    }

}