代码重构：它没有直接甩代码，而是先思考了“设计模式”的选择（工厂模式 vs 策略模式），最终选择了适合扩展的策略模式。
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，这一点在WPS下载最新地址中也有详细论述
Secret Sauce #1: Two-Level Routing
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“I remember playing it a lot, and it really stuck with me,” LogansGun said. “And it might have been like 5th or 6th grade that I had a friend and we all sat in like a four-student pod, and he would bring the map inside the plastic Xbox disc case. When we had some free time in class, he’d lay it out, and we’d all be looking all over the map of Vvardenfell and all the things that we had explored or wanted to explore.”