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Document gamestate:init()

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Matthias Richter 2011-04-12 12:56:45 +02:00
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@ -133,6 +133,8 @@
<p>A gamestate can define (nearly) all callbacks that L&Ouml;VE defines. In addition, there are callbacks <p>A gamestate can define (nearly) all callbacks that L&Ouml;VE defines. In addition, there are callbacks
for entering and leaving a state.:</p> for entering and leaving a state.:</p>
<dl> <dl>
<dt>init()</dt>
<dd>Called once before entering the state. See <a href="#gamestate-switch">switch()</a>.</dd>
<dt>enter(previous, ...)</dt> <dt>enter(previous, ...)</dt>
<dd>Called when entering the state. See <a href="#gamestate-switch">switch()</a>.</dd> <dd>Called when entering the state. See <a href="#gamestate-switch">switch()</a>.</dd>
<dt>leave()</dt> <dt>leave()</dt>
@ -163,13 +165,13 @@
<div class="example">Example: <div class="example">Example:
<pre><code class="lua">menu = Gamestate.new() <pre><code class="lua">menu = Gamestate.new()
function menu:enter(previous, background_image) function menu:init() -- run only once
self.background = background_image self.background = love.graphics.newImage('bg.jpg')
Buttons.initialize() Buttons.initialize()
end end
function menu:leave() function menu:enter(previous) -- run every time the state is entered
Buttons.cleanup() Buttons.setActive(Buttons.start)
end end
function menu:update(dt) function menu:update(dt)
@ -228,8 +230,9 @@ end</code></pre>
<div class="definition">function <span class="name">switch</span><span class="arglist">(to, ...)</span><a class="top" href="#gamestate">^ top</a></div> <div class="definition">function <span class="name">switch</span><span class="arglist">(to, ...)</span><a class="top" href="#gamestate">^ top</a></div>
<p>Switch to a gamestate, with any additional arguments passed to the new state.</p> <p>Switch to a gamestate, with any additional arguments passed to the new state.</p>
<p>Switching a gamestate will call the <a href="#gamestate-callbacks"><code>leave()</code></a> callback on <p>Switching a gamestate will call the <a href="#gamestate-callbacks"><code>leave()</code></a> callback on
the current gamestate, replace the current gamestate with <code>to</code> and finally call the current gamestate, replace the current gamestate with <code>to</code>, call the
<a href="#gamestate-callbacks"><code>enter(old_state, ...)</code></a> on the new gamestate.</p> <a href="#gamestate-callbacks"><code>init()</code></a> function if the state was not yet inialized and
finally call <a href="#gamestate-callbacks"><code>enter(old_state, ...)</code></a> on the new gamestate.</p>
<div class="arguments">Parameters: <div class="arguments">Parameters:
<dl> <dl>
<dt>Gamestate <code>to</code></dt> <dt>Gamestate <code>to</code></dt>