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@@ -46,8 +46,10 @@
<h1>Module <code>tiny-ecs</code></h1> <h1>Module <code>tiny-ecs</code></h1>
<p> <p>
</p> </p>
<p> <p>
</p> </p>
<h3>Info:</h3> <h3>Info:</h3>
<ul> <ul>
@@ -83,16 +85,16 @@
<h2><a href="#System_functions">System functions </a></h2> <h2><a href="#System_functions">System functions </a></h2>
<table class="function_list"> <table class="function_list">
<tr> <tr>
<td class="name" nowrap><a href="#tiny.system">tiny.system (table)</a></td> <td class="name" nowrap><a href="#tiny.system">tiny.system (table, attributes)</a></td>
<td class="summary">Creates a default System.</td> <td class="summary">Creates a new System or System class.</td>
</tr> </tr>
<tr> <tr>
<td class="name" nowrap><a href="#tiny.processingSystem">tiny.processingSystem (table)</a></td> <td class="name" nowrap><a href="#tiny.processingSystem">tiny.processingSystem (table)</a></td>
<td class="summary">Creates a Processing System.</td> <td class="summary">Creates a new Processing System or Processing System class.</td>
</tr> </tr>
<tr> <tr>
<td class="name" nowrap><a href="#tiny.sortedSystem">tiny.sortedSystem (table)</a></td> <td class="name" nowrap><a href="#tiny.getSystemEntityCount">tiny.getSystemEntityCount (system)</a></td>
<td class="summary">Creates a Sorted Processing System.</td> <td class="summary">Get number of Entities in the System.</td>
</tr> </tr>
</table> </table>
<h2><a href="#World_functions">World functions </a></h2> <h2><a href="#World_functions">World functions </a></h2>
@@ -126,8 +128,8 @@
<td class="summary">Shortcut for removing multiple Entities and Systems from the World.</td> <td class="summary">Shortcut for removing multiple Entities and Systems from the World.</td>
</tr> </tr>
<tr> <tr>
<td class="name" nowrap><a href="#tiny.update">tiny.update (world, dt)</a></td> <td class="name" nowrap><a href="#tiny.update">tiny.update (world, dt, filter)</a></td>
<td class="summary">Updates the World.</td> <td class="summary">Updates the World by dt (delta time).</td>
</tr> </tr>
<tr> <tr>
<td class="name" nowrap><a href="#tiny.clearEntities">tiny.clearEntities (world)</a></td> <td class="name" nowrap><a href="#tiny.clearEntities">tiny.clearEntities (world)</a></td>
@@ -151,7 +153,7 @@
</tr> </tr>
<tr> <tr>
<td class="name" nowrap><a href="#tiny.setSystemIndex">tiny.setSystemIndex (world, system, index)</a></td> <td class="name" nowrap><a href="#tiny.setSystemIndex">tiny.setSystemIndex (world, system, index)</a></td>
<td class="summary">Sets the index of a System in the World.</td> <td class="summary">Sets the index of a System in the World, and returns the old index.</td>
</tr> </tr>
</table> </table>
@@ -159,14 +161,17 @@
<br/> <br/>
<h2><a name="Filter_functions"></a>Filter functions </h2> <h2 class="section-header has-description"><a name="Filter_functions"></a>Filter functions </h2>
<div class="section-description">
<p> A Filter is a function that selects which Entities apply to a System. <p> A Filter is a function that selects which Entities apply to a System.
Filters take two parameters, the System and the Entity, and return a boolean Filters take two parameters, the System and the Entity, and return a boolean
value indicating if the Entity should be processed by the System.</p> value indicating if the Entity should be processed by the System.</p>
<p> Filters must be added to Systems by setting the <code>filter</code> field of the System. <p> Filters must be added to Systems by setting the <code>filter</code> field of the System.
Filter&rsquo;s returned by <a href="index.html#tiny.requireAll">tiny.requireAll</a> and <a href="index.html#tiny.requireAny">tiny.requireAny</a> are immutable Filter's returned by <a href="index.html#tiny.requireAll">tiny.requireAll</a> and <a href="index.html#tiny.requireAny">tiny.requireAny</a> are immutable
and can be used by multiple Systems.</p> and can be used by multiple Systems.</p>
<pre><code>local f1 = tiny.requireAll("position", "velocity", "size") <pre><code>local f1 = tiny.requireAll("position", "velocity", "size")
@@ -201,6 +206,8 @@ print(f2(nil, e1), f2(nil, e2), f2(nil, e3)) -- prints true, true, true
filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy")) filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
</code></pre> </code></pre>
</div>
<dl class="function"> <dl class="function">
<dt> <dt>
<a name = "tiny.requireAll"></a> <a name = "tiny.requireAll"></a>
@@ -211,12 +218,6 @@ filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
Filters. Filters.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">...</span>
List of required Components and other Filters.
</li>
</ul>
@@ -232,12 +233,6 @@ filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
Components and Filters. Components and Filters.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">...</span>
List of required Components and other Filters.
</li>
</ul>
@@ -253,12 +248,6 @@ filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
Filters, and selects all other Entities. Filters, and selects all other Entities.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">...</span>
List of required Components and other Filters.
</li>
</ul>
@@ -274,12 +263,6 @@ filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
Components and Filters, and selects all other Entities. Components and Filters, and selects all other Entities.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">...</span>
List of required Components and other Filters.
</li>
</ul>
@@ -287,7 +270,10 @@ filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
</dd> </dd>
</dl> </dl>
<h2><a name="System_functions"></a>System functions </h2> <h2 class="section-header has-description"><a name="System_functions"></a>System functions </h2>
<div class="section-description">
<p> A System is a wrapper around function callbacks for manipulating Entities. <p> A System is a wrapper around function callbacks for manipulating Entities.
Systems are implemented as tables that contain at least one method; Systems are implemented as tables that contain at least one method;
@@ -297,26 +283,26 @@ filter = tiny.requireAll("image", tiny.rejectAny("Player", "Enemy"))
<li><code>function system:update(dt)</code>.</li> <li><code>function system:update(dt)</code>.</li>
</ul> </ul>
<p> There are also a few other optional callbacks:</p> <p> There are also a few other optional callbacks:</p>
<ul> <ul>
<li> <code>function system:filter(entity)</code></li> <li><code>function system:filter(entity)</code> - Returns true if this System should
<li> <code>function system:onAdd(entity)</code></li> include this Entity, otherwise should return false. If this isn't specified,
<li> <code>function system:onRemove(entity)</code></li> no Entities are included in the System.</li>
<li> <code>function system:onModify(dt)</code></li> <li><code>function system:onAdd(entity)</code> - Called when an Entity is added to the
System.</li>
<li><code>function system:onRemove(entity)</code> - Called when an Entity is removed
from the System.</li>
<li><code>function system:onModify(dt)</code> - Called when the System is modified by
adding or removing Entities from the System.</li>
</ul> </ul>
<p> For Filters, it is convenient to use <a href="index.html#tiny.requireAll">tiny.requireAll</a> or <a href="index.html#tiny.requireAny">tiny.requireAny</a>, <p> For Filters, it is convenient to use <a href="index.html#tiny.requireAll">tiny.requireAll</a> or <a href="index.html#tiny.requireAny">tiny.requireAny</a>,
but one can write their own filters as well. Set the Filter of a System like but one can write their own filters as well. Set the Filter of a System like
so:</p> so:</p>
<pre><code>system.filter = tiny.requireAll("a", "b", "c") <pre><code>system.filter = tiny.requireAll("a", "b", "c")
</code></pre> </code></pre>
<p> or</p> <p> or</p>
<pre><code>function system:filter(entity) <pre><code>function system:filter(entity)
return entity.myRequiredComponentName ~= nil return entity.myRequiredComponentName ~= nil
end end
@@ -330,7 +316,7 @@ end
<li>The <code>active</code> flag is whether or not the System is updated automatically. <li>The <code>active</code> flag is whether or not the System is updated automatically.
Inactive Systems should be updated manually or not at all via Inactive Systems should be updated manually or not at all via
<code>system:update(dt)</code>. Defaults to true.</li> <code>system:update(dt)</code>. Defaults to true.</li>
<li> The &lsquo;entities&rsquo; field is an ordered list of Entities in the System. This <li>The 'entities' field is an ordered list of Entities in the System. This
list can be used to quickly iterate through all Entities in a System.</li> list can be used to quickly iterate through all Entities in a System.</li>
<li>The <code>indices</code> field is a table of Entity keys to their indices in the <li>The <code>indices</code> field is a table of Entity keys to their indices in the
<code>entities</code> list. Most Systems can ignore this.</li> <code>entities</code> list. Most Systems can ignore this.</li>
@@ -341,27 +327,45 @@ users should mostly ignore this, too.</li>
</ul> </ul>
</div>
<dl class="function"> <dl class="function">
<dt> <dt>
<a name = "tiny.system"></a> <a name = "tiny.system"></a>
<strong>tiny.system (table)</strong> <strong>tiny.system (table, attributes)</strong>
</dt> </dt>
<dd> <dd>
Creates a default System. Creates a new System or System class. An optinal list of attributes may be
passed to specify the behavior of the System. Currently, the three supported
attributes are <code>&quot;process&quot;</code>, <code>&quot;sorted&quot;</code>, and <code>&quot;interval&quot;</code>.</p>
<h3>Parameters:</h3>
<ul> <ul>
<li><span class="parameter">table</span> <li><code>&quot;process&quot;</code> marks the new System as a Processing System. Processing
A table to be used as a System, or <code>nil</code> to create a new System. Systems process each entity individual, and are usually what is needed.
</li> Processing Systems have three extra callbacks compared to a vanilla System.
<ul>
<li><code>function system:preProcess(entities, dt)</code> - Called before iterating
over each Entity.</li>
<li><code>function system:postProcess(entities, dt)</code> - Called for each Entity in
the System.</li>
<li><code>function system:process(entity, dt)</code> - Called after iteration.
Processing Systems have their own <a href="index.html#tiny.update">update</a> method, so don't implement a
a custom <a href="index.html#tiny.update">update</a> callback for Processing Systems.</li>
</ul></li>
<li><code>&quot;sorted&quot;</code> marks the new System as a Sorted System. Sorted Systems sort
their Entities according to a user-defined method, <code>system:compare(e1, e2)</code>,
which should return true if <code>e1</code> should come before <code>e2</code> and false otherwise.</li>
<li><code>&quot;interval&quot;</code> marks the new System as an Interval System. Interval
Systems are updated regulary according to an interval rather than every time
the world is update. This is useful for Systems that don't need to be updated
often or need be deterministic. Interval Systems have a user-defined field
<code>interval</code> that is the time interval between updates. If no interval is
specified, a default of 1 is used.</li>
</ul> </ul>
<h3>Returns:</h3> <p> If <a href="http://www.lua.org/manual/5.2/manual.html#6.5">table</a> is <code>nil</code>, this function uses an empty table.
<ol>
A new System or System class
</ol>
@@ -372,41 +376,11 @@ users should mostly ignore this, too.</li>
<strong>tiny.processingSystem (table)</strong> <strong>tiny.processingSystem (table)</strong>
</dt> </dt>
<dd> <dd>
Creates a Processing System. </p> Creates a new Processing System or Processing System class. Shortcut for
<code>tiny.system(table, { &quot;process&quot; })</code>.
<p> A Processing System iterates through its Entities in no particluar order, and
updates them individually. It has two important fields:</p>
<ul>
<li> <code>function system:process(entity, dt)</code></li>
<li> <code>function system:filter(entity)</code></li>
</ul>
<p> There are also a few other optional callbacks, including the optional
callbacks in <a href="index.html#tiny.system">tiny.system</a>:</p>
<ul>
<li> <code>function system:preProcess(entities, dt)</code></li>
<li> <code>function system:postProcess(entities, dt)</code></li>
</ul>
<p> Processing System.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">table</span>
A table to be used as a System, or <code>nil</code> to create a new
</li>
</ul>
<h3>Returns:</h3>
<ol>
A new Processing System or Processing System class
</ol>
<h3>See also:</h3> <h3>See also:</h3>
@@ -417,56 +391,30 @@ users should mostly ignore this, too.</li>
</dd> </dd>
<dt> <dt>
<a name = "tiny.sortedSystem"></a> <a name = "tiny.getSystemEntityCount"></a>
<strong>tiny.sortedSystem (table)</strong> <strong>tiny.getSystemEntityCount (system)</strong>
</dt> </dt>
<dd> <dd>
Creates a Sorted Processing System. A Sorted System iterates through its Get number of Entities in the System.
Entities in a specific order, and updates them individually. It has three
important methods:</p>
<ul>
<li> <code>function system:process(entity, dt)</code></li>
<li> <code>function system:compare(entity1, entity2)</code></li>
<li> <code>function system:filter(entity)</code></li>
</ul>
<p> Sorted Systems have the same optitonal callbacks as ProcessingSystems.
Sorted System.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">table</span>
A table to be used as a System, or <code>nil</code> to create a new
</li>
</ul>
<h3>Returns:</h3>
<ol>
A new Sorted System or Sorted System class
</ol>
<h3>See also:</h3>
<ul>
<li><a href="index.html#tiny.system">system</a></li>
<li><a href="index.html#tiny.processingSystem">processingSystem</a></li>
</ul>
</dd> </dd>
</dl> </dl>
<h2><a name="World_functions"></a>World functions </h2> <h2 class="section-header has-description"><a name="World_functions"></a>World functions </h2>
<div class="section-description">
A World is a container that manages Entities and Systems. Typically, a A World is a container that manages Entities and Systems. Typically, a
program uses one World at a time.</p> program uses one World at a time.</p>
<p> For all World functions except <code>tiny.world(&hellip;)</code>, object-oriented syntax can <p> For all World functions except <code>tiny.world(...)</code>, object-oriented syntax can
be used instead of the documented syntax. For example, be used instead of the documented syntax. For example,
<code>tiny.add(world, e1, e2, e3)</code> is the same as <code>world:add(e1, e2, e3)</code>. <code>tiny.add(world, e1, e2, e3)</code> is the same as <code>world:add(e1, e2, e3)</code>.
</div>
<dl class="function"> <dl class="function">
<dt> <dt>
<a name = "tiny.world"></a> <a name = "tiny.world"></a>
@@ -477,18 +425,7 @@ users should mostly ignore this, too.</li>
Can optionally add default Systems and Entities. Can optionally add default Systems and Entities.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">...</span>
Systems and Entities to add to the World
</li>
</ul>
<h3>Returns:</h3>
<ol>
A new World
</ol>
@@ -504,17 +441,6 @@ users should mostly ignore this, too.</li>
match different Filters. match different Filters.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">entity</span>
</li>
</ul>
@@ -529,17 +455,6 @@ users should mostly ignore this, too.</li>
Adds a System to the world. Adds a System to the world.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">system</span>
</li>
</ul>
@@ -554,24 +469,9 @@ users should mostly ignore this, too.</li>
Shortcut for adding multiple Entities and Systems to the World. Shortcut for adding multiple Entities and Systems to the World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">...</span>
Systems and Entities
</li>
</ul>
<h3>See also:</h3>
<ul>
<li><a href="index.html#tiny.addEntity">addEntity</a></li>
<li><a href="index.html#tiny.addSystem">addSystem</a></li>
</ul>
</dd> </dd>
@@ -583,17 +483,6 @@ users should mostly ignore this, too.</li>
Removes an Entity to the World. Removes an Entity to the World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">entity</span>
</li>
</ul>
@@ -608,17 +497,6 @@ users should mostly ignore this, too.</li>
Removes a System from the world. Removes a System from the world.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">system</span>
</li>
</ul>
@@ -633,46 +511,22 @@ users should mostly ignore this, too.</li>
Shortcut for removing multiple Entities and Systems from the World. Shortcut for removing multiple Entities and Systems from the World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">...</span>
Systems and Entities
</li>
</ul>
<h3>See also:</h3>
<ul>
<li><a href="index.html#tiny.removeEntity">removeEntity</a></li>
<li><a href="index.html#tiny.removeSystem">removeSystem</a></li>
</ul>
</dd> </dd>
<dt> <dt>
<a name = "tiny.update"></a> <a name = "tiny.update"></a>
<strong>tiny.update (world, dt)</strong> <strong>tiny.update (world, dt, filter)</strong>
</dt> </dt>
<dd> <dd>
Updates the World. Updates the World by dt (delta time). Takes an optional parameter, <code>filter</code>,
Put this in your main loop. which is a Filter that selects Systems from the World. Only selected Systems
are updated. Put this function in your main loop.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">dt</span>
Delta time
</li>
</ul>
@@ -687,13 +541,6 @@ users should mostly ignore this, too.</li>
Removes all Entities from the World. Removes all Entities from the World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
</ul>
@@ -708,13 +555,6 @@ users should mostly ignore this, too.</li>
Removes all Systems from the World. Removes all Systems from the World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
</ul>
@@ -729,20 +569,8 @@ users should mostly ignore this, too.</li>
Gets number of Entities in the World. Gets number of Entities in the World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
</ul>
<h3>Returns:</h3>
<ol>
An integer
</ol>
@@ -755,20 +583,8 @@ users should mostly ignore this, too.</li>
Gets number of Systems in World. Gets number of Systems in World.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
</ul>
<h3>Returns:</h3>
<ol>
An integer
</ol>
@@ -782,24 +598,8 @@ users should mostly ignore this, too.</li>
before higher indexed systems. before higher indexed systems.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">system</span>
</li>
</ul>
<h3>Returns:</h3>
<ol>
An integer between 1 and world:getSystemCount() inclusive
</ol>
@@ -809,33 +609,13 @@ users should mostly ignore this, too.</li>
<strong>tiny.setSystemIndex (world, system, index)</strong> <strong>tiny.setSystemIndex (world, system, index)</strong>
</dt> </dt>
<dd> <dd>
Sets the index of a System in the World. Changes the order in Sets the index of a System in the World, and returns the old index. Changes
which they Systems processed, because lower indexed Systems are processed the order in which they Systems processed, because lower indexed Systems are
first. processed first.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">world</span>
</li>
<li><span class="parameter">system</span>
</li>
<li><span class="parameter">index</span>
</li>
</ul>
<h3>Returns:</h3>
<ol>
Old index
</ol>
@@ -847,7 +627,7 @@ users should mostly ignore this, too.</li>
</div> <!-- id="main" --> </div> <!-- id="main" -->
<div id="about"> <div id="about">
<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.3</a></i> <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.3</a></i>
<i style="float:right;">Last updated 2015-05-07 19:57:49 </i> <i style="float:right;">Last updated 2015-06-16 23:50:18 </i>
</div> <!-- id="about" --> </div> <!-- id="about" -->
</div> <!-- id="container" --> </div> <!-- id="container" -->
</body> </body>
doc/ldoc_fixed.css
+9 -12
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@@ -28,7 +28,7 @@ del,ins {
text-decoration: none; text-decoration: none;
} }
li { li {
list-style: bullet; list-style: disc;
margin-left: 20px; margin-left: 20px;
} }
caption,th { caption,th {
@@ -114,24 +114,18 @@ p.name {
padding-top: 1em; padding-top: 1em;
} }
pre.example {
background-color: rgb(245, 245, 245);
border: 1px solid silver;
padding: 10px;
margin: 10px 0 10px 0;
font-family: "Andale Mono", monospace;
font-size: .85em;
}
pre { pre {
background-color: rgb(245,245,255); // rgb(245, 245, 245); background-color: rgb(245, 245, 245);
border: 1px solid #cccccc; //silver; border: 1px solid #C0C0C0; /* silver */
padding: 10px; padding: 10px;
margin: 10px 0 10px 0; margin: 10px 0 10px 0;
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table.index td { text-align: left; vertical-align: top; } table.index td { text-align: left; vertical-align: top; }
@@ -299,6 +293,7 @@ a:target + * {
background-color: #FF9; background-color: #FF9;
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pre .constant { color: #a8660d; } pre .constant { color: #a8660d; }
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