additional-collisions.html 70 KB

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  76. DunGen
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  79. <li class="md-nav__item">
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  82. Introduction
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  108. Getting Started
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  112. <a href="../getting-started/1-creating-tiles.html" class="md-nav__link">
  113. <span class="md-ellipsis">
  114. 1. Creating Tiles
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  119. <a href="../getting-started/2-doorways.html" class="md-nav__link">
  120. <span class="md-ellipsis">
  121. 2. Doorways
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  126. <a href="../getting-started/3-dungeon-flow.html" class="md-nav__link">
  127. <span class="md-ellipsis">
  128. 3. Dungeon Flow Basics
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  135. 4. Scene Setup & First Generation
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  144. <div class="md-nav__link md-nav__container">
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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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  183. <span class="md-ellipsis">
  184. Archetypes
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  191. Doorways
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  198. Dungeon Flow Asset
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  205. Flow Editor
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  212. Dungeon Generator
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  240. Props for Variety
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  245. <a href="doors.html" class="md-nav__link">
  246. <span class="md-ellipsis">
  247. Doors
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  251. <li class="md-nav__item">
  252. <a href="multiple-floors.html" class="md-nav__link">
  253. <span class="md-ellipsis">
  254. Multiple Floors
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  257. </li>
  258. <li class="md-nav__item">
  259. <a href="lock-key-system.html" class="md-nav__link">
  260. <span class="md-ellipsis">
  261. Lock & Key System
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  266. <a href="injecting-tiles.html" class="md-nav__link">
  267. <span class="md-ellipsis">
  268. Injecting Special Tiles
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  271. </li>
  272. <li class="md-nav__item">
  273. <a href="connection-rules.html" class="md-nav__link">
  274. <span class="md-ellipsis">
  275. Tile Connection Rules
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  279. <li class="md-nav__item">
  280. <a href="attached-dungeons.html" class="md-nav__link">
  281. <span class="md-ellipsis">
  282. Generating Attached Dungeons
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  289. <span class="md-ellipsis">
  290. Avoid Collisions With the Scene
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  293. </label>
  294. <a href="additional-collisions.html" class="md-nav__link md-nav__link--active">
  295. <span class="md-ellipsis">
  296. Avoid Collisions With the Scene
  297. </span>
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  300. <label class="md-nav__title" for="__toc">
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  302. Table of contents
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  305. <li class="md-nav__item">
  306. <a href="#method-1-additional-bounding-boxes" class="md-nav__link">
  307. <span class="md-ellipsis">
  308. Method 1: Additional Bounding Boxes
  309. </span>
  310. </a>
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  312. <li class="md-nav__item">
  313. <a href="#method-2-custom-collision-function-predicate" class="md-nav__link">
  314. <span class="md-ellipsis">
  315. Method 2: Custom Collision Function (Predicate)
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  320. <a href="#choosing-a-method" class="md-nav__link">
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  322. Choosing a Method
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  330. <a href="runtime-events.html" class="md-nav__link">
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  332. Runtime Events & Code Execution
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  337. <a href="post-processing.html" class="md-nav__link">
  338. <span class="md-ellipsis">
  339. Custom Post-Processing
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  342. </li>
  343. <li class="md-nav__item">
  344. <a href="character-component.html" class="md-nav__link">
  345. <span class="md-ellipsis">
  346. DunGen Character Component
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  355. <div class="md-nav__link md-nav__container">
  356. <a href="../optimization/index.html" class="md-nav__link ">
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  358. Optimization
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  368. Optimization
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  371. <li class="md-nav__item">
  372. <a href="../optimization/culling.html" class="md-nav__link">
  373. <span class="md-ellipsis">
  374. Built-in Culling
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  377. </li>
  378. <li class="md-nav__item">
  379. <a href="../optimization/tile-pooling.html" class="md-nav__link">
  380. <span class="md-ellipsis">
  381. Tile Pooling
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  393. Pathfinding
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  403. Pathfinding
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  409. Unity NavMesh Components
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  414. <a href="../pathfinding/astar-pathfinding.html" class="md-nav__link">
  415. <span class="md-ellipsis">
  416. A* Pathfinding Project Pro
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  421. <a href="../pathfinding/custom-adapters.html" class="md-nav__link">
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  423. Custom Adapters
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  451. SECTR Portal Culling
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  456. <a href="../integrations/playmaker.html" class="md-nav__link">
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  470. Troubleshooting
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  479. <span class="md-nav__icon md-icon"></span>
  480. Troubleshooting
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  484. <a href="../troubleshooting/limitations.html" class="md-nav__link">
  485. <span class="md-ellipsis">
  486. Limitations & Considerations
  487. </span>
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  491. <a href="../troubleshooting/analysis.html" class="md-nav__link">
  492. <span class="md-ellipsis">
  493. Analysis
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  514. <li class="md-nav__item">
  515. <a href="../reference/faq.html" class="md-nav__link">
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  522. <a href="../reference/cookbook.html" class="md-nav__link">
  523. <span class="md-ellipsis">
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  544. <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
  545. <li class="md-nav__item">
  546. <a href="#method-1-additional-bounding-boxes" class="md-nav__link">
  547. <span class="md-ellipsis">
  548. Method 1: Additional Bounding Boxes
  549. </span>
  550. </a>
  551. </li>
  552. <li class="md-nav__item">
  553. <a href="#method-2-custom-collision-function-predicate" class="md-nav__link">
  554. <span class="md-ellipsis">
  555. Method 2: Custom Collision Function (Predicate)
  556. </span>
  557. </a>
  558. </li>
  559. <li class="md-nav__item">
  560. <a href="#choosing-a-method" class="md-nav__link">
  561. <span class="md-ellipsis">
  562. Choosing a Method
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  570. </div>
  571. <div class="md-content" data-md-component="content">
  572. <article class="md-content__inner md-typeset">
  573. <h1 id="advanced-features-avoiding-collisions-with-scene-objects">Advanced Features: Avoiding Collisions with Scene Objects</h1>
  574. <p>By default, DunGen only checks for collisions between the Tiles it is currently placing within the <em>same</em> generation process. It isn't inherently aware of other objects you might have manually placed in your scene (like important landmarks, puzzle elements, or structural pillars). This can lead to generated dungeons overlapping or intersecting with these crucial scene elements.</p>
  575. <p>DunGen provides two primary methods, implemented via code, to tell the generator about additional areas it should avoid colliding with.</p>
  576. <hr />
  577. <h2 id="method-1-additional-bounding-boxes">Method 1: Additional Bounding Boxes</h2>
  578. <p>This is the simpler approach for defining basic "keep-out" zones. You provide DunGen with a list of pre-defined <code>Bounds</code> objects representing volumes in world space that generated Tiles should not overlap.</p>
  579. <ul>
  580. <li><strong>Concept:</strong> Define one or more invisible, axis-aligned rectangular boxes around your important scene objects. DunGen will treat these boxes as obstacles during its collision checks.</li>
  581. <li>
  582. <p><strong>Implementation:</strong></p>
  583. <ol>
  584. <li>You need access to the <code>DungeonGenerator</code> instance used by your <code>Runtime Dungeon</code> component. Typically, you get this in <code>Awake</code> or <code>Start</code> in a script attached to the same GameObject as the <code>Runtime Dungeon</code>.</li>
  585. <li>The <code>DungeonGenerator</code> has a public property: <code>CollisionSettings</code>, which in turn has an <code>AdditionalCollisionBounds</code> property (a <code>List&lt;Bounds&gt;</code>).</li>
  586. <li>Create new <code>Bounds</code> objects (defining their <code>center</code> and <code>size</code>) that encompass the areas you want to protect.</li>
  587. <li>Add these <code>Bounds</code> objects to the <code>AdditionalCollisionBounds</code> list <em>before</em> DunGen starts generating.</li>
  588. </ol>
  589. </li>
  590. <li>
  591. <p><strong>Example Code:</strong></p>
  592. <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>
  593. </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>
  594. </span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
  595. </span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="k">public</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">SceneCollisionSetup</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="n">MonoBehaviour</span>
  596. </span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="p">{</span>
  597. </span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w"> </span><span class="c1">// Optional: Assign important scene objects in the Inspector</span>
  598. </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="c1">// public Transform importantPillar;</span>
  599. </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="c1">// public Collider importantStructureCollider;</span>
  600. </span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>
  601. </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">private</span><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">Awake</span><span class="p">()</span>
  602. </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>
  603. </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 Runtime Dungeon component (assuming this script is on the same GameObject)</span>
  604. </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="kt">var</span><span class="w"> </span><span class="n">runtimeDungeon</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">RuntimeDungeon</span><span class="o">&gt;</span><span class="p">();</span>
  605. </span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a>
  606. </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="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">runtimeDungeon</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="k">null</span><span class="p">)</span>
  607. </span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a><span class="w"> </span><span class="p">{</span>
  608. </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="kt">var</span><span class="w"> </span><span class="n">collisionSettings</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">runtimeDungeon</span><span class="p">.</span><span class="n">Generator</span><span class="p">.</span><span class="n">CollisionSettings</span><span class="p">;</span>
  609. </span><span id="__span-0-18"><a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a>
  610. </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="c1">// --- Example 1: Define a specific volume ---</span>
  611. </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="n">Bounds</span><span class="w"> </span><span class="n">forbiddenZone</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">Bounds</span><span class="p">(</span>
  612. </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="k">new</span><span class="w"> </span><span class="nf">Vector3</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">),</span><span class="w"> </span><span class="c1">// Center of the zone</span>
  613. </span><span id="__span-0-22"><a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="nf">Vector3</span><span class="p">(</span><span class="mi">20</span><span class="p">,</span><span class="w"> </span><span class="mi">10</span><span class="p">,</span><span class="w"> </span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="c1">// Total size of the zone</span>
  614. </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="p">);</span>
  615. </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="n">collisionSettings</span><span class="p">.</span><span class="n">AdditionalCollisionBounds</span><span class="p">.</span><span class="n">Add</span><span class="p">(</span><span class="n">forbiddenZone</span><span class="p">);</span>
  616. </span><span id="__span-0-25"><a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a>
  617. </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="c1">// --- Example 2: Use the bounds of an existing Collider ---</span>
  618. </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="c1">// if (importantStructureCollider != null)</span>
  619. </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="c1">// {</span>
  620. </span><span id="__span-0-29"><a id="__codelineno-0-29" name="__codelineno-0-29" href="#__codelineno-0-29"></a><span class="w"> </span><span class="c1">// collisionSettings.AdditionalCollisionBounds.Add(importantStructureCollider.bounds);</span>
  621. </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">// }</span>
  622. </span><span id="__span-0-31"><a id="__codelineno-0-31" name="__codelineno-0-31" href="#__codelineno-0-31"></a>
  623. </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="n">Debug</span><span class="p">.</span><span class="n">Log</span><span class="p">(</span><span class="s">&quot;Added custom collision bounds to DunGen Generator.&quot;</span><span class="p">);</span>
  624. </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="p">}</span>
  625. </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="k">else</span>
  626. </span><span id="__span-0-35"><a id="__codelineno-0-35" name="__codelineno-0-35" href="#__codelineno-0-35"></a><span class="w"> </span><span class="p">{</span>
  627. </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="n">Debug</span><span class="p">.</span><span class="n">LogError</span><span class="p">(</span><span class="s">&quot;RuntimeDungeon or its Generator not found!&quot;</span><span class="p">);</span>
  628. </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="p">}</span>
  629. </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>
  630. </span><span id="__span-0-39"><a id="__codelineno-0-39" name="__codelineno-0-39" href="#__codelineno-0-39"></a><span class="p">}</span>
  631. </span></code></pre></div>
  632. </li>
  633. <li>
  634. <p><strong>Limitations:</strong> This method only works with axis-aligned bounding boxes. It might protect a larger area than necessary for complex or rotated objects.</p>
  635. </li>
  636. </ul>
  637. <hr />
  638. <h2 id="method-2-custom-collision-function-predicate">Method 2: Custom Collision Function (Predicate)</h2>
  639. <p>For more complex collision logic or checking against specific objects without relying on simple bounding boxes, you can provide DunGen with a custom function (a predicate).</p>
  640. <ul>
  641. <li><strong>Concept:</strong> You define a function that DunGen calls <em>every time</em> it considers placing a Tile. This function receives information about the potential Tile's bounds and returns <code>true</code> if the placement should be <em>prevented</em> (collision detected) or <code>false</code> if the placement is <em>allowed</em>.</li>
  642. <li>
  643. <p><strong>Implementation:</strong></p>
  644. <ol>
  645. <li>Access the <code>DungeonGenerator</code> instance as described in Method 1 and get its <code>CollisionSettings</code> property.</li>
  646. <li>The <code>DungeonCollisionSettings</code> class has a public property: <code>AdditionalCollisionsPredicate</code>. This expects a delegate of type <code>AdditionalCollisionsDelegate</code>.</li>
  647. <li>Create a function in your script that matches the required signature: <code>bool YourFunctionName(Bounds potentialTileBounds, bool isTileCollidingWithDungeon)</code>.</li>
  648. <li>Assign your function to the <code>AdditionalCollisionsPredicate</code> property <em>before</em> generation starts.</li>
  649. </ol>
  650. </li>
  651. <li>
  652. <p><strong>Delegate Signature Explained:</strong></p>
  653. <ul>
  654. <li><code>Bounds potentialTileBounds</code>: The world-space AABB of the Tile that DunGen is <em>considering</em> placing.</li>
  655. <li><code>bool isTileCollidingWithDungeon</code>: A boolean indicating if DunGen's <em>internal</em> checks have already detected a collision between this potential Tile and other Tiles <em>within the currently generating dungeon</em>. This is useful to avoid redundant checks or to allow your custom logic to override DunGen's internal check if needed (though usually you'll want to respect it).</li>
  656. <li><strong>Return Value:</strong><ul>
  657. <li><code>true</code>: Collision detected by your custom logic. Prevent placement.</li>
  658. <li><code>false</code>: No collision detected by your custom logic. Allow placement.</li>
  659. </ul>
  660. </li>
  661. </ul>
  662. </li>
  663. <li>
  664. <p><strong>Example Code:</strong></p>
  665. <div class="language-csharp highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="k">using</span><span class="w"> </span><span class="nn">UnityEngine</span><span class="p">;</span>
  666. </span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="k">using</span><span class="w"> </span><span class="nn">DunGen</span><span class="p">;</span>
  667. </span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>
  668. </span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="k">public</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">SceneCollisionSetupCustom</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="n">MonoBehaviour</span>
  669. </span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="p">{</span>
  670. </span><span id="__span-1-6"><a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="w"> </span><span class="c1">// Define which layers to check against in the Inspector</span>
  671. </span><span id="__span-1-7"><a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="w"> </span><span class="k">public</span><span class="w"> </span><span class="n">LayerMask</span><span class="w"> </span><span class="n">CollisionCheckLayer</span><span class="p">;</span>
  672. </span><span id="__span-1-8"><a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a>
  673. </span><span id="__span-1-9"><a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a><span class="w"> </span><span class="k">private</span><span class="w"> </span><span class="n">RuntimeDungeon</span><span class="w"> </span><span class="n">runtimeDungeon</span><span class="p">;</span>
  674. </span><span id="__span-1-10"><a id="__codelineno-1-10" name="__codelineno-1-10" href="#__codelineno-1-10"></a>
  675. </span><span id="__span-1-11"><a id="__codelineno-1-11" name="__codelineno-1-11" href="#__codelineno-1-11"></a>
  676. </span><span id="__span-1-12"><a id="__codelineno-1-12" name="__codelineno-1-12" href="#__codelineno-1-12"></a><span class="w"> </span><span class="k">private</span><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">Awake</span><span class="p">()</span>
  677. </span><span id="__span-1-13"><a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a><span class="w"> </span><span class="p">{</span>
  678. </span><span id="__span-1-14"><a id="__codelineno-1-14" name="__codelineno-1-14" href="#__codelineno-1-14"></a><span class="w"> </span><span class="n">runtimeDungeon</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">RuntimeDungeon</span><span class="o">&gt;</span><span class="p">();</span>
  679. </span><span id="__span-1-15"><a id="__codelineno-1-15" name="__codelineno-1-15" href="#__codelineno-1-15"></a>
  680. </span><span id="__span-1-16"><a id="__codelineno-1-16" name="__codelineno-1-16" href="#__codelineno-1-16"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">runtimeDungeon</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="k">null</span><span class="p">)</span>
  681. </span><span id="__span-1-17"><a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a><span class="w"> </span><span class="p">{</span>
  682. </span><span id="__span-1-18"><a id="__codelineno-1-18" name="__codelineno-1-18" href="#__codelineno-1-18"></a><span class="w"> </span><span class="kt">var</span><span class="w"> </span><span class="n">collisionSettings</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">runtimeDungeon</span><span class="p">.</span><span class="n">Generator</span><span class="p">.</span><span class="n">CollisionSettings</span><span class="p">;</span>
  683. </span><span id="__span-1-19"><a id="__codelineno-1-19" name="__codelineno-1-19" href="#__codelineno-1-19"></a>
  684. </span><span id="__span-1-20"><a id="__codelineno-1-20" name="__codelineno-1-20" href="#__codelineno-1-20"></a><span class="w"> </span><span class="n">collisionSettings</span><span class="p">.</span><span class="n">AdditionalCollisionsPredicate</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ShouldTilePlacementBeBlocked</span><span class="p">;</span>
  685. </span><span id="__span-1-21"><a id="__codelineno-1-21" name="__codelineno-1-21" href="#__codelineno-1-21"></a><span class="w"> </span><span class="n">Debug</span><span class="p">.</span><span class="n">Log</span><span class="p">(</span><span class="s">&quot;Assigned custom collision predicate to DunGen Generator.&quot;</span><span class="p">);</span>
  686. </span><span id="__span-1-22"><a id="__codelineno-1-22" name="__codelineno-1-22" href="#__codelineno-1-22"></a><span class="w"> </span><span class="p">}</span>
  687. </span><span id="__span-1-23"><a id="__codelineno-1-23" name="__codelineno-1-23" href="#__codelineno-1-23"></a><span class="w"> </span><span class="p">}</span>
  688. </span><span id="__span-1-24"><a id="__codelineno-1-24" name="__codelineno-1-24" href="#__codelineno-1-24"></a>
  689. </span><span id="__span-1-25"><a id="__codelineno-1-25" name="__codelineno-1-25" href="#__codelineno-1-25"></a><span class="w"> </span><span class="k">private</span><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">OnDestroy</span><span class="p">()</span>
  690. </span><span id="__span-1-26"><a id="__codelineno-1-26" name="__codelineno-1-26" href="#__codelineno-1-26"></a><span class="w"> </span><span class="p">{</span>
  691. </span><span id="__span-1-27"><a id="__codelineno-1-27" name="__codelineno-1-27" href="#__codelineno-1-27"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">runtimeDungeon</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="k">null</span><span class="p">)</span>
  692. </span><span id="__span-1-28"><a id="__codelineno-1-28" name="__codelineno-1-28" href="#__codelineno-1-28"></a><span class="w"> </span><span class="p">{</span>
  693. </span><span id="__span-1-29"><a id="__codelineno-1-29" name="__codelineno-1-29" href="#__codelineno-1-29"></a><span class="w"> </span><span class="kt">var</span><span class="w"> </span><span class="n">collisionSettings</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">runtimeDungeon</span><span class="p">.</span><span class="n">Generator</span><span class="p">.</span><span class="n">CollisionSettings</span><span class="p">;</span>
  694. </span><span id="__span-1-30"><a id="__codelineno-1-30" name="__codelineno-1-30" href="#__codelineno-1-30"></a><span class="w"> </span><span class="n">collisionSettings</span><span class="p">.</span><span class="n">AdditionalCollisionsPredicate</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">null</span><span class="p">;</span>
  695. </span><span id="__span-1-31"><a id="__codelineno-1-31" name="__codelineno-1-31" href="#__codelineno-1-31"></a><span class="w"> </span><span class="n">Debug</span><span class="p">.</span><span class="n">Log</span><span class="p">(</span><span class="s">&quot;Removed custom collision predicate from DunGen Generator.&quot;</span><span class="p">);</span>
  696. </span><span id="__span-1-32"><a id="__codelineno-1-32" name="__codelineno-1-32" href="#__codelineno-1-32"></a><span class="w"> </span><span class="p">}</span>
  697. </span><span id="__span-1-33"><a id="__codelineno-1-33" name="__codelineno-1-33" href="#__codelineno-1-33"></a><span class="w"> </span><span class="p">}</span>
  698. </span><span id="__span-1-34"><a id="__codelineno-1-34" name="__codelineno-1-34" href="#__codelineno-1-34"></a>
  699. </span><span id="__span-1-35"><a id="__codelineno-1-35" name="__codelineno-1-35" href="#__codelineno-1-35"></a><span class="w"> </span><span class="c1">// Function matching the AdditionalCollisionsDelegate signature</span>
  700. </span><span id="__span-1-36"><a id="__codelineno-1-36" name="__codelineno-1-36" href="#__codelineno-1-36"></a><span class="w"> </span><span class="k">private</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="nf">ShouldTilePlacementBeBlocked</span><span class="p">(</span><span class="n">Bounds</span><span class="w"> </span><span class="n">potentialTileBounds</span><span class="p">,</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="n">isTileCollidingWithDungeon</span><span class="p">)</span>
  701. </span><span id="__span-1-37"><a id="__codelineno-1-37" name="__codelineno-1-37" href="#__codelineno-1-37"></a><span class="w"> </span><span class="p">{</span>
  702. </span><span id="__span-1-38"><a id="__codelineno-1-38" name="__codelineno-1-38" href="#__codelineno-1-38"></a><span class="w"> </span><span class="c1">// 1. Respect DunGen&#39;s internal collision check first</span>
  703. </span><span id="__span-1-39"><a id="__codelineno-1-39" name="__codelineno-1-39" href="#__codelineno-1-39"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">isTileCollidingWithDungeon</span><span class="p">)</span>
  704. </span><span id="__span-1-40"><a id="__codelineno-1-40" name="__codelineno-1-40" href="#__codelineno-1-40"></a><span class="w"> </span><span class="p">{</span>
  705. </span><span id="__span-1-41"><a id="__codelineno-1-41" name="__codelineno-1-41" href="#__codelineno-1-41"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="k">true</span><span class="p">;</span><span class="w"> </span><span class="c1">// Already colliding with another generated tile, definitely block.</span>
  706. </span><span id="__span-1-42"><a id="__codelineno-1-42" name="__codelineno-1-42" href="#__codelineno-1-42"></a><span class="w"> </span><span class="p">}</span>
  707. </span><span id="__span-1-43"><a id="__codelineno-1-43" name="__codelineno-1-43" href="#__codelineno-1-43"></a>
  708. </span><span id="__span-1-44"><a id="__codelineno-1-44" name="__codelineno-1-44" href="#__codelineno-1-44"></a><span class="w"> </span><span class="c1">// 2. Perform your custom check (e.g., check for overlap with specific layers)</span>
  709. </span><span id="__span-1-45"><a id="__codelineno-1-45" name="__codelineno-1-45" href="#__codelineno-1-45"></a><span class="w"> </span><span class="n">Collider</span><span class="p">[]</span><span class="w"> </span><span class="n">overlaps</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Physics</span><span class="p">.</span><span class="n">OverlapBox</span><span class="p">(</span>
  710. </span><span id="__span-1-46"><a id="__codelineno-1-46" name="__codelineno-1-46" href="#__codelineno-1-46"></a><span class="w"> </span><span class="n">potentialTileBounds</span><span class="p">.</span><span class="n">center</span><span class="p">,</span>
  711. </span><span id="__span-1-47"><a id="__codelineno-1-47" name="__codelineno-1-47" href="#__codelineno-1-47"></a><span class="w"> </span><span class="n">potentialTileBounds</span><span class="p">.</span><span class="n">extents</span><span class="p">,</span><span class="w"> </span><span class="c1">// OverlapBox uses extents (half-size)</span>
  712. </span><span id="__span-1-48"><a id="__codelineno-1-48" name="__codelineno-1-48" href="#__codelineno-1-48"></a><span class="w"> </span><span class="n">Quaternion</span><span class="p">.</span><span class="n">identity</span><span class="p">,</span><span class="w"> </span><span class="c1">// AABBs are not rotated</span>
  713. </span><span id="__span-1-49"><a id="__codelineno-1-49" name="__codelineno-1-49" href="#__codelineno-1-49"></a><span class="w"> </span><span class="n">CollisionCheckLayer</span><span class="w"> </span><span class="c1">// Check only against specified layers</span>
  714. </span><span id="__span-1-50"><a id="__codelineno-1-50" name="__codelineno-1-50" href="#__codelineno-1-50"></a><span class="w"> </span><span class="p">);</span>
  715. </span><span id="__span-1-51"><a id="__codelineno-1-51" name="__codelineno-1-51" href="#__codelineno-1-51"></a>
  716. </span><span id="__span-1-52"><a id="__codelineno-1-52" name="__codelineno-1-52" href="#__codelineno-1-52"></a><span class="w"> </span><span class="c1">// 3. Decide based on the custom check</span>
  717. </span><span id="__span-1-53"><a id="__codelineno-1-53" name="__codelineno-1-53" href="#__codelineno-1-53"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">overlaps</span><span class="p">.</span><span class="n">Length</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span>
  718. </span><span id="__span-1-54"><a id="__codelineno-1-54" name="__codelineno-1-54" href="#__codelineno-1-54"></a><span class="w"> </span><span class="p">{</span>
  719. </span><span id="__span-1-55"><a id="__codelineno-1-55" name="__codelineno-1-55" href="#__codelineno-1-55"></a><span class="w"> </span><span class="c1">// Optional: Add more logic here, e.g., ignore triggers, check specific tags...</span>
  720. </span><span id="__span-1-56"><a id="__codelineno-1-56" name="__codelineno-1-56" href="#__codelineno-1-56"></a><span class="w"> </span><span class="c1">// For now, any overlap on the specified layer blocks placement.</span>
  721. </span><span id="__span-1-57"><a id="__codelineno-1-57" name="__codelineno-1-57" href="#__codelineno-1-57"></a><span class="w"> </span><span class="c1">// Debug.Log($&quot;Custom collision detected for tile at {potentialTileBounds.center}&quot;);</span>
  722. </span><span id="__span-1-58"><a id="__codelineno-1-58" name="__codelineno-1-58" href="#__codelineno-1-58"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="k">true</span><span class="p">;</span><span class="w"> </span><span class="c1">// Found an object on the collision layer within the bounds, block placement.</span>
  723. </span><span id="__span-1-59"><a id="__codelineno-1-59" name="__codelineno-1-59" href="#__codelineno-1-59"></a><span class="w"> </span><span class="p">}</span>
  724. </span><span id="__span-1-60"><a id="__codelineno-1-60" name="__codelineno-1-60" href="#__codelineno-1-60"></a>
  725. </span><span id="__span-1-61"><a id="__codelineno-1-61" name="__codelineno-1-61" href="#__codelineno-1-61"></a><span class="w"> </span><span class="c1">// 4. No collision found by DunGen or custom logic</span>
  726. </span><span id="__span-1-62"><a id="__codelineno-1-62" name="__codelineno-1-62" href="#__codelineno-1-62"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="k">false</span><span class="p">;</span><span class="w"> </span><span class="c1">// Allow placement.</span>
  727. </span><span id="__span-1-63"><a id="__codelineno-1-63" name="__codelineno-1-63" href="#__codelineno-1-63"></a><span class="w"> </span><span class="p">}</span>
  728. </span><span id="__span-1-64"><a id="__codelineno-1-64" name="__codelineno-1-64" href="#__codelineno-1-64"></a><span class="p">}</span>
  729. </span></code></pre></div>
  730. </li>
  731. <li>
  732. <p><strong>Flexibility:</strong> This method is much more powerful. You can implement complex checks: query specific objects, use <code>Physics.OverlapBox</code>, <code>Physics.CheckSphere</code>, check tags, ignore triggers, etc.</p>
  733. </li>
  734. </ul>
  735. <hr />
  736. <h2 id="choosing-a-method">Choosing a Method</h2>
  737. <ul>
  738. <li>Use <strong>Additional Bounding Boxes</strong> for simple, rectangular keep-out zones around non-rotated objects. It's easier to set up.</li>
  739. <li>Use the <strong>Custom Collision Function</strong> for more precise checks, handling complex shapes, checking against specific layers or tags, or implementing any custom collision logic your project requires.</li>
  740. </ul>
  741. <p>Remember to apply these settings in <code>Awake</code> or <code>Start</code> in a script that runs before the <code>Runtime Dungeon</code> component attempts to generate the dungeon (e.g., if generating on start).</p>
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