// 仅用于诊断测试包。复制到 build/wechatgame/ 后，在 game.js 中
// __globalAdapter.adaptEngine() 后、require('./ccRequire') 前添加：
// require('./sprite-load-error-probe');
// 本文件不会自动进入构建或修改资源生命周期；异常记录后继续抛出原错误。
(function installSpriteLoadProbe() {
    var proto = cc.Sprite.prototype;
    var original = proto._applySpriteFrame;
    if (original.__spriteLoadProbe) return;

    function probe() {
        var frame = this._spriteFrame;
        try {
            return original.apply(this, arguments);
        } catch (error) {
            try {
                var path = [];
                for (var node = this.node; node; node = node.parent) {
                    path.unshift(node.name);
                }
                var texture = frame && frame.getTexture();
                console.error('[SpriteLoadError]', JSON.stringify({
                    engineVersion: cc.ENGINE_VERSION,
                    nodePath: path.join('/'),
                    nodeValid: cc.isValid(this.node, true),
                    spriteValid: cc.isValid(this, true),
                    frameName: frame && frame.name,
                    frameUuid: frame && frame._uuid,
                    frameFlags: frame && frame._objFlags,
                    frameValid: cc.isValid(frame, true),
                    callbackTableNull: !!frame && frame._callbackTable === null,
                    textureUuid: texture && texture._uuid,
                    textureValid: cc.isValid(texture, true),
                    textureLoaded: !!texture && texture.loaded,
                    message: String(error)
                }));
            } catch (loggingError) {
                console.error('[SpriteLoadError] diagnostic failed', loggingError);
            }
            throw error;
        }
    }

    probe.__spriteLoadProbe = true;
    proto._applySpriteFrame = probe;
    console.info('[SpriteLoadProbe] installed; engineVersion=' + cc.ENGINE_VERSION);
})();