Concord/docs/modules/entity.html
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<h1>Concord</h1>
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<li><a href="../index.html">Index</a></li>
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<h2>Contents</h2>
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<li><a href="#Functions">Functions</a></li>
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<h2>Modules</h2>
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<li><a href="../modules/component.html">component</a></li>
<li><a href="../modules/components.html">components</a></li>
<li><strong>entity</strong></li>
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<h1>Module <code>entity</code></h1>
<p>Entity
Entities are the concrete objects that exist in your project.</p>
<p>
An Entity have Components and are processed by Systems.
An Entity is contained by a maximum of 1 World.</p>
<h2><a href="#Functions">Functions</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#Entity.new">Entity.new (world)</a></td>
<td class="summary">Creates a new Entity.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:give">Entity:give (componentClass, ...)</a></td>
<td class="summary">Gives an Entity a Component.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:ensure">Entity:ensure (componentClass, ...)</a></td>
<td class="summary">Ensures an Entity to have a Component.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:remove">Entity:remove (componentClass)</a></td>
<td class="summary">Removes a Component from an Entity.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:assemble">Entity:assemble (assemblage, ...)</a></td>
<td class="summary">Assembles an Entity.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:destroy">Entity:destroy ()</a></td>
<td class="summary">Destroys the Entity.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:__dirty">Entity:__dirty ()</a></td>
<td class="summary">Internal: Tells the World it's in that this Entity is dirty.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:has">Entity:has (componentClass)</a></td>
<td class="summary">Returns true if the Entity has a Component.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:get">Entity:get (componentClass)</a></td>
<td class="summary">Gets a Component from the Entity.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:getComponents">Entity:getComponents ()</a></td>
<td class="summary">Returns a table of all Components the Entity has.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:inWorld">Entity:inWorld ()</a></td>
<td class="summary">Returns true if the Entity is in a World.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#Entity:getWorld">Entity:getWorld ()</a></td>
<td class="summary">Returns the World the Entity is in.</td>
</tr>
</table>
<br/>
<br/>
<h2 class="section-header "><a name="Functions"></a>Functions</h2>
<dl class="function">
<dt>
<a name = "Entity.new"></a>
<strong>Entity.new (world)</strong>
</dt>
<dd>
Creates a new Entity. Optionally adds it to a World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
Optional World to add the entity to
</li>
</ul>
<h3>Returns:</h3>
<ol>
A new Entity
</ol>
</dd>
<dt>
<a name = "Entity:give"></a>
<strong>Entity:give (componentClass, ...)</strong>
</dt>
<dd>
Gives an Entity a Component.
If the Component already exists, it's overridden by this new Component
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">componentClass</span>
ComponentClass to add an instance of
</li>
<li><span class="parameter">...</span>
varargs passed to the Component's populate function
</li>
</ul>
<h3>Returns:</h3>
<ol>
self
</ol>
</dd>
<dt>
<a name = "Entity:ensure"></a>
<strong>Entity:ensure (componentClass, ...)</strong>
</dt>
<dd>
Ensures an Entity to have a Component.
If the Component already exists, no action is taken
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">componentClass</span>
ComponentClass to add an instance of
</li>
<li><span class="parameter">...</span>
varargs passed to the Component's populate function
</li>
</ul>
<h3>Returns:</h3>
<ol>
self
</ol>
</dd>
<dt>
<a name = "Entity:remove"></a>
<strong>Entity:remove (componentClass)</strong>
</dt>
<dd>
Removes a Component from an Entity.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">componentClass</span>
ComponentClass of the Component to remove
</li>
</ul>
<h3>Returns:</h3>
<ol>
self
</ol>
</dd>
<dt>
<a name = "Entity:assemble"></a>
<strong>Entity:assemble (assemblage, ...)</strong>
</dt>
<dd>
Assembles an Entity.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">assemblage</span>
Assemblage to assemble with
</li>
<li><span class="parameter">...</span>
Varargs to pass to the Assemblage's assemble function.
</li>
</ul>
</dd>
<dt>
<a name = "Entity:destroy"></a>
<strong>Entity:destroy ()</strong>
</dt>
<dd>
Destroys the Entity.
Removes the Entity from it's World if it's in one.
<h3>Returns:</h3>
<ol>
self
</ol>
</dd>
<dt>
<a name = "Entity:__dirty"></a>
<strong>Entity:__dirty ()</strong>
</dt>
<dd>
Internal: Tells the World it's in that this Entity is dirty.
<h3>Returns:</h3>
<ol>
self
</ol>
</dd>
<dt>
<a name = "Entity:has"></a>
<strong>Entity:has (componentClass)</strong>
</dt>
<dd>
Returns true if the Entity has a Component.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">componentClass</span>
ComponentClass of the Component to check
</li>
</ul>
<h3>Returns:</h3>
<ol>
True if the Entity has the Component, false otherwise
</ol>
</dd>
<dt>
<a name = "Entity:get"></a>
<strong>Entity:get (componentClass)</strong>
</dt>
<dd>
Gets a Component from the Entity.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">componentClass</span>
ComponentClass of the Component to get
</li>
</ul>
<h3>Returns:</h3>
<ol>
The Component
</ol>
</dd>
<dt>
<a name = "Entity:getComponents"></a>
<strong>Entity:getComponents ()</strong>
</dt>
<dd>
Returns a table of all Components the Entity has.
Warning: Do not modify this table.
Use Entity:give/ensure/remove instead
<h3>Returns:</h3>
<ol>
Table of all Components the Entity has
</ol>
</dd>
<dt>
<a name = "Entity:inWorld"></a>
<strong>Entity:inWorld ()</strong>
</dt>
<dd>
Returns true if the Entity is in a World.
<h3>Returns:</h3>
<ol>
True if the Entity is in a World, false otherwise
</ol>
</dd>
<dt>
<a name = "Entity:getWorld"></a>
<strong>Entity:getWorld ()</strong>
</dt>
<dd>
Returns the World the Entity is in.
<h3>Returns:</h3>
<ol>
The World the Entity is in.
</ol>
</dd>
</dl>
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