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<meta name="description" content="译者注：此章所提及所有的“冲突”及“优先级”都是对同一 creep 而言。有关不同 creep 的冲突，参见“结束阶段”。
不同动作的优先级对单一 creep 而言，其身体的构造决定了其所能执行的动作（ action ，及蓝色方块标记的左侧栏条目）。虽说您可以创造一个万金油般的 creep ，但它仍不能在同一 tick 中执行所有的动作。下图便是各个动作之间的优先级关联：
如过您尝试在同一 t">
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<meta property="og:description" content="译者注：此章所提及所有的“冲突”及“优先级”都是对同一 creep 而言。有关不同 creep 的冲突，参见“结束阶段”。
不同动作的优先级对单一 creep 而言，其身体的构造决定了其所能执行的动作（ action ，及蓝色方块标记的左侧栏条目）。虽说您可以创造一个万金油般的 creep ，但它仍不能在同一 tick 中执行所有的动作。下图便是各个动作之间的优先级关联：
如过您尝试在同一 t">
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<meta name="twitter:description" content="译者注：此章所提及所有的“冲突”及“优先级”都是对同一 creep 而言。有关不同 creep 的冲突，参见“结束阶段”。
不同动作的优先级对单一 creep 而言，其身体的构造决定了其所能执行的动作（ action ，及蓝色方块标记的左侧栏条目）。虽说您可以创造一个万金油般的 creep ，但它仍不能在同一 tick 中执行所有的动作。下图便是各个动作之间的优先级关联：
如过您尝试在同一 t">
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<h1 class="article-title" itemprop="name" id="top">同步动作及优先级</h1>
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<blockquote class="note info"><p><strong>译者注：</strong>此章所提及所有的“冲突”及“优先级”都是对同一 <a href="/creeps.html">creep</a> 而言。有关不同 creep 的冲突，参见<a href="/game-loop.html">“结束阶段”</a>。</p>
</blockquote>
<h2 id="不同动作的优先级" class="article-heading"><a href="#不同动作的优先级" class="headerlink" title="不同动作的优先级"></a>不同动作的优先级<a class="article-anchor" href="#不同动作的优先级" aria-hidden="true"></a></h2><p>对单一 creep 而言，其身体的构造决定了其所能执行的<a href="api/#Creep">动作</a>（ action ，及蓝色方块标记的左侧栏条目）。虽说您可以创造一个万金油般的 creep ，但它仍不能在同一 <a href="/game-loop.html">tick</a> 中执行所有的动作。下图便是各个动作之间的优先级关联：</p>
<p><img src="img/action-priorities.png" alt=""></p>
<p>如过您尝试在同一 tick 内执行多个有优先级冲突的动作，<strong>只有图中更靠右的的会被执行</strong>。然而各动作的返回值并不会因优先级冲突而改变。如果动作本身是合乎情理的，那么它总会返回 <code>OK</code> 。举个例子：</p>
<pre class="highlight undefined tab-undefined "><code> <span class="token comment" spellcheck="true">// 第一 tick</span>
creep<span class="token punctuation">.</span><span class="token function">build</span><span class="token punctuation">(</span>constructionSite<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// ERR_NOT_ENOUGH_ENERGY - 报错：能量不足</span>
creep<span class="token punctuation">.</span><span class="token function">harvest</span><span class="token punctuation">(</span>source<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// OK – 执行成功， creep 收获了能量</span>
<span class="token comment" spellcheck="true">// 第二 tick</span>
creep<span class="token punctuation">.</span><span class="token function">build</span><span class="token punctuation">(</span>constructionSite<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// OK – 执行成功</span>
creep<span class="token punctuation">.</span><span class="token function">harvest</span><span class="token punctuation">(</span>source<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// OK - 虽然返回值也为 OK ，但由于在同一 tick （上一行）里使用了优先级更高的 [`Creep.build()`](api/#Creep.build)</span>
<span class="token comment" spellcheck="true">//所以 [`Creep.harvest()`](api/#Creep.harvest) 实际上被覆盖了，没有被执行。</span></code></pre><p>虽说如此，但您却能在同一 tick 内执行多个没有优先级冲突的动作。比如说：</p>
<pre class="highlight undefined tab-undefined "><code> creep<span class="token punctuation">.</span><span class="token function">moveTo</span><span class="token punctuation">(</span>target<span class="token punctuation">)</span><span class="token punctuation">;</span>
creep<span class="token punctuation">.</span><span class="token function">rangedMassAttack</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
creep<span class="token punctuation">.</span><span class="token function">heal</span><span class="token punctuation">(</span>target<span class="token punctuation">)</span><span class="token punctuation">;</span>
creep<span class="token punctuation">.</span><span class="token function">transfer</span><span class="token punctuation">(</span>target<span class="token punctuation">,</span> RESOURCE_ENERGY<span class="token punctuation">,</span> amountTransfer<span class="token punctuation">)</span><span class="token punctuation">;</span>
creep<span class="token punctuation">.</span><span class="token function">drop</span><span class="token punctuation">(</span>amountDrop<span class="token punctuation">,</span> RESOURCE_ENERGY<span class="token punctuation">)</span><span class="token punctuation">;</span>
creep<span class="token punctuation">.</span><span class="token function">pickup</span><span class="token punctuation">(</span>energy<span class="token punctuation">)</span><span class="token punctuation">;</span>
creep<span class="token punctuation">.</span><span class="token function">claimController</span><span class="token punctuation">(</span>controller<span class="token punctuation">)</span><span class="token punctuation">;</span></code></pre><p>上例的动作无一冲突，都能在同一 tick 中被成功执行。</p>
<p>取决于能量的多少，同时使用多个有关能量传输的动作会导致不同的结果</p>
<ul>
<li>如果能量足够有余，那么所有的所有动作都将会被执行</li>
<li>否则，优先级规则会介入以解决冲突</li>
</ul>
<h2 id="同一动作的优先级" class="article-heading"><a href="#同一动作的优先级" class="headerlink" title="同一动作的优先级"></a>同一动作的优先级<a class="article-anchor" href="#同一动作的优先级" aria-hidden="true"></a></h2><p>值得注意的是，不同动作的执行结果仅和它们之间的优先级有关，与在代码中的的顺序无关。但是对与<strong>相同</strong>的动作，最后一个才会被成功执行。例如在同一 tick 中：</p>
<pre class="highlight undefined tab-undefined "><code> creep<span class="token punctuation">.</span><span class="token function">moveTo</span><span class="token punctuation">(</span>target<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// 被覆盖(因为 [`Creep.moveTo()`](api/#Creep.moveTo) 源码中有调用 [`Creep.move()`](api/#Creep.move))</span>
creep<span class="token punctuation">.</span><span class="token function">move</span><span class="token punctuation">(</span>RIGHT<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// 被覆盖</span>
creep<span class="token punctuation">.</span><span class="token function">move</span><span class="token punctuation">(</span>LEFT<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment" spellcheck="true">// 被执行</span></code></pre><p>最终结果是这个 creep 会向左移动一格。</p>
<h2 id="更多" class="article-heading"><a href="#更多" class="headerlink" title="更多"></a>更多<a class="article-anchor" href="#更多" aria-hidden="true"></a></h2><ol>
<li>请注意，治疗一个满血的 creep 或修复满血的建筑会返回 <code>OK</code> 并可能覆盖其他优先级较低的动作。</li>
<li>尽管同时使用 <code>transfer</code> （传出）和 <code>drop</code> （丢弃）并不一定会产生优先级冲突，您却不能同时执行多个 <code>transfer</code>（比如传资源给多个建筑），以此类推。</li>
<li>同时执行需要 <code>CARRY</code> 部件的不同动作不会产生冲突。但资源的存量并没不会在玩家代码执行过程中被改变。参见<a href="/game-loop.html">理解游戏循环、游戏时间、ticks</a></li>
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<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#不同动作的优先级"><span class="toc-text">不同动作的优先级</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#同一动作的优先级"><span class="toc-text">同一动作的优先级</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#更多"><span class="toc-text">更多</span></a></li></ol>
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