PHP网页游戏学习之Xnova(ogame)源码解读（十四）_php实例
十七、资源更新（PlanetResourceUpdate.php页面）
前面基本把重要的功能讲解完了，这章节我们分析重要的一个函数PlanetResourceUpdate，主要功能是更新资源、制造船舰和防御单位；代码很有条理，下面是详细的说明：
1.计算星球的最大存储空间，包括系统设置的浮动值
2.计算星球三种资源的产量和能量消耗总量，包括专家的加成
3.如果星球是月球，以上计算的产量和能量直接为0
4.计算上次更新资源到现在的时间
5.计算由于能量比率而引起的产量变化，能量为0的时候，只有基本产量
6.接下来要判断是否假期了，不是假期的话，根据前面准备好的数据，计算出这段时间内的产量，并加到现有的资源里面
7.取得这段时间应该完成的船舰和防御数量，函数HandleElementBuildingQueue
8.构造SQL语句，提交给服务器，资源更新完成
这个函数在玩家每次点击每个功能的时候执行，给玩家的感觉好像资源是早计算好了一样，呵呵。不过在一些版本里面，当一个玩家长期不登录的时候，这个玩家的资源也就不能更新了；这个时候，需要处理这个玩家的资源更新，具体更新方法可以随便，我使用的是每次间谍探测时更新。
下面讲解下函数HandleElementBuildingQueue，逻辑不复杂，还是很容易理解的。
这里要记住: b_hangar_id是要建造的字符串，b_hangar是上次保持的建造时间。
说明下：
1.先判断是否有建造队列
2.取得经过的时间并加上保持的时间
3.解析建造队列，保存在数组里面备用
4.下面foreach就是一个一个的建造了
5.最后如果有未造完的保持起来下次建造，并返回
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