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  76. DunGen
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  114. 1. Creating Tiles
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  121. 2. Doorways
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  126. <a href="../getting-started/3-dungeon-flow.html" class="md-nav__link">
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  128. 3. Dungeon Flow Basics
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  135. 4. Scene Setup & First Generation
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  147. Core Concepts
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  163. Tiles & Tile Component
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  170. Weighting
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  177. Tile Sets
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  184. Archetypes
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  198. Dungeon Flow Asset
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  248. Doors
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  254. Doors
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  260. Table of contents
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  263. <li class="md-nav__item">
  264. <a href="#spawning-doors" class="md-nav__link">
  265. <span class="md-ellipsis">
  266. Spawning Doors
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  270. <li class="md-nav__item">
  271. <a href="#the-door-component" class="md-nav__link">
  272. <span class="md-ellipsis">
  273. The Door Component
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  280. <span class="md-ellipsis">
  281. Key Properties &amp; Information
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  291. Interaction with Other Systems
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  296. <a href="#creating-custom-doors" class="md-nav__link">
  297. <span class="md-ellipsis">
  298. Creating Custom Doors
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  306. <a href="multiple-floors.html" class="md-nav__link">
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  308. Multiple Floors
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  313. <a href="lock-key-system.html" class="md-nav__link">
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  315. Lock & Key System
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  322. Injecting Special Tiles
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  329. Tile Connection Rules
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  335. <span class="md-ellipsis">
  336. Generating Attached Dungeons
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  341. <a href="additional-collisions.html" class="md-nav__link">
  342. <span class="md-ellipsis">
  343. Avoid Collisions With the Scene
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  348. <a href="runtime-events.html" class="md-nav__link">
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  350. Runtime Events & Code Execution
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  355. <a href="post-processing.html" class="md-nav__link">
  356. <span class="md-ellipsis">
  357. Custom Post-Processing
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  362. <a href="character-component.html" class="md-nav__link">
  363. <span class="md-ellipsis">
  364. DunGen Character Component
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  374. <a href="../optimization/index.html" class="md-nav__link ">
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  376. Optimization
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  392. Built-in Culling
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  399. Tile Pooling
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  427. Unity NavMesh Components
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  434. A* Pathfinding Project Pro
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  469. SECTR Portal Culling
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  473. <li class="md-nav__item">
  474. <a href="../integrations/playmaker.html" class="md-nav__link">
  475. <span class="md-ellipsis">
  476. PlayMaker Actions
  477. </span>
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  480. </ul>
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  482. </li>
  483. <li class="md-nav__item md-nav__item--nested">
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  487. <span class="md-ellipsis">
  488. Troubleshooting
  489. </span>
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  501. <li class="md-nav__item">
  502. <a href="../troubleshooting/limitations.html" class="md-nav__link">
  503. <span class="md-ellipsis">
  504. Limitations & Considerations
  505. </span>
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  509. <a href="../troubleshooting/analysis.html" class="md-nav__link">
  510. <span class="md-ellipsis">
  511. Analysis
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  521. <span class="md-ellipsis">
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  527. <label class="md-nav__title" for="__nav_10">
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  529. Reference
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  532. <li class="md-nav__item">
  533. <a href="../reference/faq.html" class="md-nav__link">
  534. <span class="md-ellipsis">
  535. FAQ
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  540. <a href="../reference/cookbook.html" class="md-nav__link">
  541. <span class="md-ellipsis">
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  554. <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
  555. <div class="md-sidebar__scrollwrap">
  556. <div class="md-sidebar__inner">
  557. <nav class="md-nav md-nav--secondary" aria-label="Table of contents">
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  560. Table of contents
  561. </label>
  562. <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
  563. <li class="md-nav__item">
  564. <a href="#spawning-doors" class="md-nav__link">
  565. <span class="md-ellipsis">
  566. Spawning Doors
  567. </span>
  568. </a>
  569. </li>
  570. <li class="md-nav__item">
  571. <a href="#the-door-component" class="md-nav__link">
  572. <span class="md-ellipsis">
  573. The Door Component
  574. </span>
  575. </a>
  576. <nav class="md-nav" aria-label="The Door Component">
  577. <ul class="md-nav__list">
  578. <li class="md-nav__item">
  579. <a href="#key-properties-information" class="md-nav__link">
  580. <span class="md-ellipsis">
  581. Key Properties &amp; Information
  582. </span>
  583. </a>
  584. </li>
  585. </ul>
  586. </nav>
  587. </li>
  588. <li class="md-nav__item">
  589. <a href="#interaction-with-other-systems" class="md-nav__link">
  590. <span class="md-ellipsis">
  591. Interaction with Other Systems
  592. </span>
  593. </a>
  594. </li>
  595. <li class="md-nav__item">
  596. <a href="#creating-custom-doors" class="md-nav__link">
  597. <span class="md-ellipsis">
  598. Creating Custom Doors
  599. </span>
  600. </a>
  601. </li>
  602. </ul>
  603. </nav>
  604. </div>
  605. </div>
  606. </div>
  607. <div class="md-content" data-md-component="content">
  608. <article class="md-content__inner md-typeset">
  609. <h1 id="advanced-features-doors">Advanced Features: Doors</h1>
  610. <p>In the <a href="../getting-started/2-doorways.html">Getting Started</a> section, we saw how to add <strong>Connectors</strong> and <strong>Blockers</strong> to Doorway definitions. While Connectors <em>can</em> be simple archways or openings, they are often used to spawn functional <strong>Door</strong> prefabs. Doors can also be placed automatically via the <a href="lock-key-system.html">Lock &amp; Key System</a>.</p>
  611. <p>This page focuses on what happens when DunGen places a prefab designated as a door and the crucial <code>Door</code> component that gets added.</p>
  612. <hr />
  613. <h2 id="spawning-doors">Spawning Doors</h2>
  614. <p>Typically, you designate a door prefab within the <strong>Connectors &gt; Random Prefab</strong> list of a <a href="../getting-started/2-doorways.html">Doorway component</a> on your Tile prefab.</p>
  615. <ul>
  616. <li><strong>Priority:</strong> Remember the <code>Priority</code> setting within the Connectors list? If two connected doorways both list potential door prefabs, the doorway with the <em>higher</em> priority value gets its prefab chosen. If priorities are equal, one is chosen randomly. Only <em>one</em> door prefab is spawned per doorway connection pair.</li>
  617. </ul>
  618. <hr />
  619. <h2 id="the-door-component">The <code>Door</code> Component</h2>
  620. <p>Whenever DunGen successfully places a prefab that functions as a door (either through the Connectors list or the Lock &amp; Key system), it automatically adds a <code>Door</code> component to the <strong>root GameObject of the instantiated door prefab</strong> if one does not already exist.</p>
  621. <p>This component acts as a vital link between the visual door object and various DunGen systems. It holds information about the connection it represents and, most importantly, its current state.</p>
  622. <hr />
  623. <h3 id="key-properties-information">Key Properties &amp; Information</h3>
  624. <p>The <code>Door</code> component provides the following useful information (accessible via code):</p>
  625. <ul>
  626. <li><strong><code>IsOpen</code> (bool):</strong> This is the most important property. It represents the <em>logical state</em> of the door (open or closed). You control this property from your custom door scripts (see below). It directly influences visibility for culling and traversability for pathfinding. <strong>Default Value:</strong> <code>true</code> (open).</li>
  627. <li><strong><code>DontCullBehind</code> (bool):</strong> If true, the culling system (if any) will not cull tiles behind this door, even when closed.</li>
  628. <li><strong><code>DoorwayA</code> (Doorway):</strong> A reference to the Doorway component on the first tile of the connection.</li>
  629. <li><strong><code>DoorwayB</code> (Doorway):</strong> A reference to the Doorway component on the second tile of the connection.</li>
  630. <li><strong><code>TileA</code> (Tile):</strong> A reference to the Tile component of the first tile.</li>
  631. <li><strong><code>TileB</code> (Tile):</strong> A reference to the Tile component of the second tile.</li>
  632. </ul>
  633. <hr />
  634. <h2 id="interaction-with-other-systems">Interaction with Other Systems</h2>
  635. <p>The state of the <code>Door.IsOpen</code> property is crucial for integrating doors with other DunGen features:</p>
  636. <ol>
  637. <li><strong>Culling:</strong> DunGen's built-in <a href="../optimization/culling.html">Adjacent Room Culling</a> systems check the <code>IsOpen</code> state. If <code>Cull Behind Closed Doors</code> is enabled on the culling component, tiles beyond a door where <code>IsOpen</code> is <code>false</code> will not be rendered. Setting <code>IsOpen</code> to <code>true</code> allows the culling system to potentially "see" through the doorway.</li>
  638. <li><strong>Pathfinding:</strong> Supported <a href="../pathfinding/index.html">Pathfinding</a> integrations (like Unity NavMesh Components and A* Pathfinding Project Pro) use the <code>IsOpen</code> state to determine traversability.<ul>
  639. <li>For <strong>Unity NavMesh</strong>, NavMeshLinks generated across the doorway are typically enabled when <code>IsOpen</code> is <code>true</code> and disabled when <code>false</code>.</li>
  640. <li>For <strong>A* Pathfinding Project Pro</strong>, graph connection rules or tag updates often depend on <code>IsOpen</code>, making areas beyond closed doors unwalkable.</li>
  641. </ul>
  642. </li>
  643. </ol>
  644. <hr />
  645. <h2 id="creating-custom-doors">Creating Custom Doors</h2>
  646. <p>If you create your own custom door prefabs (e.g., with animations for opening and closing), it is <strong>essential</strong> that your custom door script correctly manages the <code>Door.IsOpen</code> property.</p>
  647. <div class="admonition important">
  648. <p class="admonition-title">Update <code>IsOpen</code> State</p>
  649. <p>Your custom script (e.g., <code>MyAnimatedDoor.cs</code>) <strong>must</strong> get a reference to the <code>Door</code> component on the same GameObject and set the <code>IsOpen</code> property whenever the door's visual state changes.</p>
  650. <div class="language-csharp highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="k">using</span><span class="w"> </span><span class="nn">UnityEngine</span><span class="p">;</span>
  651. </span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="k">using</span><span class="w"> </span><span class="nn">DunGen</span><span class="p">;</span>
  652. </span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
  653. </span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="na">[RequireComponent(typeof(Door))]</span><span class="w"> </span><span class="c1">// Ensure the Door component exists</span>
  654. </span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="k">public</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">MyAnimatedDoor</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="n">MonoBehaviour</span>
  655. </span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="p">{</span>
  656. </span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w"> </span><span class="k">private</span><span class="w"> </span><span class="n">Door</span><span class="w"> </span><span class="n">dunGenDoor</span><span class="p">;</span>
  657. </span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w"> </span><span class="k">private</span><span class="w"> </span><span class="n">Animator</span><span class="w"> </span><span class="n">doorAnimator</span><span class="p">;</span><span class="w"> </span><span class="c1">// Example</span>
  658. </span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>
  659. </span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">Awake</span><span class="p">()</span>
  660. </span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="w"> </span><span class="p">{</span>
  661. </span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a><span class="w"> </span><span class="c1">// Get the component added by DunGen</span>
  662. </span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="w"> </span><span class="n">dunGenDoor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">GetComponent</span><span class="o">&lt;</span><span class="n">Door</span><span class="o">&gt;</span><span class="p">();</span>
  663. </span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a><span class="w"> </span><span class="n">doorAnimator</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">GetComponent</span><span class="o">&lt;</span><span class="n">Animator</span><span class="o">&gt;</span><span class="p">();</span><span class="w"> </span><span class="c1">// Example</span>
  664. </span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a><span class="w"> </span><span class="p">}</span>
  665. </span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a>
  666. </span><span id="__span-0-17"><a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a><span class="w"> </span><span class="c1">// Call this when your door visually opens</span>
  667. </span><span id="__span-0-18"><a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a><span class="w"> </span><span class="k">public</span><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">OpenDoor</span><span class="p">()</span>
  668. </span><span id="__span-0-19"><a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a><span class="w"> </span><span class="p">{</span>
  669. </span><span id="__span-0-20"><a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a><span class="w"> </span><span class="c1">// Play animation, sound, etc.</span>
  670. </span><span id="__span-0-21"><a id="__codelineno-0-21" name="__codelineno-0-21" href="#__codelineno-0-21"></a><span class="w"> </span><span class="c1">// doorAnimator.SetTrigger(&quot;Open&quot;); // Example</span>
  671. </span><span id="__span-0-22"><a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a>
  672. </span><span id="__span-0-23"><a id="__codelineno-0-23" name="__codelineno-0-23" href="#__codelineno-0-23"></a><span class="w"> </span><span class="c1">// CRITICAL: Update the DunGen Door component state</span>
  673. </span><span id="__span-0-24"><a id="__codelineno-0-24" name="__codelineno-0-24" href="#__codelineno-0-24"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">dunGenDoor</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="k">null</span><span class="p">)</span>
  674. </span><span id="__span-0-25"><a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a><span class="w"> </span><span class="p">{</span>
  675. </span><span id="__span-0-26"><a id="__codelineno-0-26" name="__codelineno-0-26" href="#__codelineno-0-26"></a><span class="w"> </span><span class="n">dunGenDoor</span><span class="p">.</span><span class="n">IsOpen</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">true</span><span class="p">;</span>
  676. </span><span id="__span-0-27"><a id="__codelineno-0-27" name="__codelineno-0-27" href="#__codelineno-0-27"></a><span class="w"> </span><span class="p">}</span>
  677. </span><span id="__span-0-28"><a id="__codelineno-0-28" name="__codelineno-0-28" href="#__codelineno-0-28"></a><span class="w"> </span><span class="p">}</span>
  678. </span><span id="__span-0-29"><a id="__codelineno-0-29" name="__codelineno-0-29" href="#__codelineno-0-29"></a>
  679. </span><span id="__span-0-30"><a id="__codelineno-0-30" name="__codelineno-0-30" href="#__codelineno-0-30"></a><span class="w"> </span><span class="c1">// Call this when your door visually closes</span>
  680. </span><span id="__span-0-31"><a id="__codelineno-0-31" name="__codelineno-0-31" href="#__codelineno-0-31"></a><span class="w"> </span><span class="k">public</span><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">CloseDoor</span><span class="p">()</span>
  681. </span><span id="__span-0-32"><a id="__codelineno-0-32" name="__codelineno-0-32" href="#__codelineno-0-32"></a><span class="w"> </span><span class="p">{</span>
  682. </span><span id="__span-0-33"><a id="__codelineno-0-33" name="__codelineno-0-33" href="#__codelineno-0-33"></a><span class="w"> </span><span class="c1">// Play animation, sound, etc.</span>
  683. </span><span id="__span-0-34"><a id="__codelineno-0-34" name="__codelineno-0-34" href="#__codelineno-0-34"></a><span class="w"> </span><span class="c1">// doorAnimator.SetTrigger(&quot;Close&quot;); // Example</span>
  684. </span><span id="__span-0-35"><a id="__codelineno-0-35" name="__codelineno-0-35" href="#__codelineno-0-35"></a>
  685. </span><span id="__span-0-36"><a id="__codelineno-0-36" name="__codelineno-0-36" href="#__codelineno-0-36"></a><span class="w"> </span><span class="c1">// CRITICAL: Update the DunGen Door component state</span>
  686. </span><span id="__span-0-37"><a id="__codelineno-0-37" name="__codelineno-0-37" href="#__codelineno-0-37"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">dunGenDoor</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="k">null</span><span class="p">)</span>
  687. </span><span id="__span-0-38"><a id="__codelineno-0-38" name="__codelineno-0-38" href="#__codelineno-0-38"></a><span class="w"> </span><span class="p">{</span>
  688. </span><span id="__span-0-39"><a id="__codelineno-0-39" name="__codelineno-0-39" href="#__codelineno-0-39"></a><span class="w"> </span><span class="n">dunGenDoor</span><span class="p">.</span><span class="n">IsOpen</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">false</span><span class="p">;</span>
  689. </span><span id="__span-0-40"><a id="__codelineno-0-40" name="__codelineno-0-40" href="#__codelineno-0-40"></a><span class="w"> </span><span class="p">}</span>
  690. </span><span id="__span-0-41"><a id="__codelineno-0-41" name="__codelineno-0-41" href="#__codelineno-0-41"></a><span class="w"> </span><span class="p">}</span>
  691. </span><span id="__span-0-42"><a id="__codelineno-0-42" name="__codelineno-0-42" href="#__codelineno-0-42"></a>
  692. </span><span id="__span-0-43"><a id="__codelineno-0-43" name="__codelineno-0-43" href="#__codelineno-0-43"></a><span class="w"> </span><span class="c1">// Example: Simple interaction</span>
  693. </span><span id="__span-0-44"><a id="__codelineno-0-44" name="__codelineno-0-44" href="#__codelineno-0-44"></a><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">OnTriggerEnter</span><span class="p">(</span><span class="n">Collider</span><span class="w"> </span><span class="n">other</span><span class="p">)</span>
  694. </span><span id="__span-0-45"><a id="__codelineno-0-45" name="__codelineno-0-45" href="#__codelineno-0-45"></a><span class="w"> </span><span class="p">{</span>
  695. </span><span id="__span-0-46"><a id="__codelineno-0-46" name="__codelineno-0-46" href="#__codelineno-0-46"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">other</span><span class="p">.</span><span class="n">CompareTag</span><span class="p">(</span><span class="s">&quot;Player&quot;</span><span class="p">))</span><span class="w"> </span><span class="c1">// Example tag</span>
  696. </span><span id="__span-0-47"><a id="__codelineno-0-47" name="__codelineno-0-47" href="#__codelineno-0-47"></a><span class="w"> </span><span class="p">{</span>
  697. </span><span id="__span-0-48"><a id="__codelineno-0-48" name="__codelineno-0-48" href="#__codelineno-0-48"></a><span class="w"> </span><span class="n">OpenDoor</span><span class="p">();</span>
  698. </span><span id="__span-0-49"><a id="__codelineno-0-49" name="__codelineno-0-49" href="#__codelineno-0-49"></a><span class="w"> </span><span class="p">}</span>
  699. </span><span id="__span-0-50"><a id="__codelineno-0-50" name="__codelineno-0-50" href="#__codelineno-0-50"></a><span class="w"> </span><span class="p">}</span>
  700. </span><span id="__span-0-51"><a id="__codelineno-0-51" name="__codelineno-0-51" href="#__codelineno-0-51"></a><span class="p">}</span>
  701. </span></code></pre></div>
  702. </div>
  703. <p>By correctly updating <code>Door.IsOpen</code>, you ensure that DunGen's culling and pathfinding systems accurately reflect the current state of your custom doors, leading to correct visibility and navigation behaviour in your generated dungeons.</p>
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