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<head>
<title>Resources are a main part of any game and ClanLib has a system that
makes resources easy to use</title>
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</head>
<body lang=EN-US style='tab-interval:.5in'>
<div class=Section1>
<p class=MsoNormal>Sprites are one of the best features of <span class=SpellE>Clanlib</span>.<span
style='mso-spacerun:yes'> </span>They are relatively straightforward and make
the animating of characters much easier.</p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>First let us create a resources file that includes the
sprite information. </p>
<hr>
<pre style='margin-left:.5in'><a name="OLE_LINK4"><span style='font-family:
"Times New Roman"'><o:p> </o:p></span></a></pre>
<p class=MsoNormal style='text-indent:.5in;mso-layout-grid-align:none;
text-autospace:none'><span style='mso-bookmark:OLE_LINK4'><span class=SpellE><span
style='font-size:10.0pt'>ship_flame</span></span></span><span style='mso-bookmark:
OLE_LINK4'><span style='font-size:10.0pt'> =<o:p></o:p></span></span></p>
<p class=MsoNormal style='text-indent:.5in;mso-layout-grid-align:none;
text-autospace:none'><span style='mso-bookmark:OLE_LINK4'><span
style='font-size:10.0pt'>(<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bookmark:OLE_LINK4'><span style='font-size:10.0pt'><span
style='mso-tab-count:2'> </span><span
class=GramE>type</span> = sprite,<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bookmark:OLE_LINK4'><span style='font-size:10.0pt'><span
style='mso-tab-count:2'> </span>image1 =
ship_flame_0001.tga,<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bookmark:OLE_LINK4'><span style='font-size:10.0pt'><span
style='mso-tab-count:2'> </span>image2 =
ship_flame_0002.tga,<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bookmark:OLE_LINK4'><span style='font-size:10.0pt'><span
style='mso-tab-count:2'> </span>image3 =
ship_flame_0003.tga,<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bookmark:OLE_LINK4'><span style='font-size:10.0pt'><span
style='mso-tab-count:2'> </span>image4 =
ship_flame_0004.tga,<o:p></o:p></span></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bookmark:OLE_LINK4'><span style='font-size:10.0pt'><span
style='mso-tab-count:2'> </span>image5 =
ship_flame_0005.tga<o:p></o:p></span></span></p>
<pre style='margin-left:.5in'><span style='mso-bookmark:OLE_LINK4'><span
style='font-family:"Times New Roman"'><o:p> </o:p></span></span></pre><span
style='mso-bookmark:OLE_LINK4'></span><pre style='margin-left:.5in'><span
style='font-family:"Times New Roman"'>}<o:p></o:p></span></pre>
<p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p>
<hr>
<p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal>Ok so lets go over some of the basics</p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='text-indent:.5in;mso-layout-grid-align:none;
text-autospace:none'><span class=SpellE><i style='mso-bidi-font-style:normal'><span
style='font-size:10.0pt'> </span><span
style='font-size:10.0pt;font-family:"Courier New"'><span style='mso-tab-count:
1'> </span></span><span class=GramE><i style='mso-bidi-font-style:normal'><span
style='font-size:10.0pt'></span></i></span><span
style='font-size:10.0pt'>ship_flame</span></i></span><i style='mso-bidi-font-style:
normal'><span style='font-size:10.0pt'> =<o:p></o:p></span></i></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>This is the name of the sprite</p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='font-size:10.0pt;font-family:"Courier New"'><span style='mso-tab-count:
1'> </span></span><span class=GramE><i style='mso-bidi-font-style:normal'><span
style='font-size:10.0pt'>type</span></i></span><i style='mso-bidi-font-style:
normal'><span style='font-size:10.0pt'> = sprite,<o:p></o:p></span></i></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Tells us this resource is a sprite (note the , after)</p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='font-size:10.0pt'><span style='mso-tab-count:1'> </span>image1
= ship_flame_0001.tga,<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='font-size:10.0pt'><span style='mso-tab-count:1'> </span>image2
= ship_flame_0002.tga,<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span class=SpellE><span class=GramE>image<i
style='mso-bidi-font-style:normal'>X</i></span></span> is the order in which
you want the images displayed.</p>
<p class=MsoNormal>Lets go back to our basic app and add a sprite.</p>
<hr>
<p><span style='font-size:10.0pt;color:black'>//<span
class=SpellE>main.h</span> has the definition for our main <span
class=SpellE>clanapp</span> class<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>#include <<span
class=SpellE>ClanLib/core.h</span>><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>#include <<span
class=SpellE>ClanLib/application.h</span>><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>#include <<span
class=SpellE>ClanLib/display.h</span>><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>#include <<span
class=SpellE>ClanLib/gl.h</span>><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span class=GramE><span style='font-size:10.0pt;color:black'>class</span></span><span
style='font-size:10.0pt;color:black'> <span class=SpellE>SimpleApp</span> :
public <span class=SpellE>CL_ClanApplication</span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>{<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>virtual <span class=SpellE>int</span>
main(<span class=SpellE>int</span>, char**);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span><span style='font-size:10.0pt;color:black'>};<o:p></o:p></span></p>
<p> </p><hr>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>In <span class=SpellE>main.h</span> we will add a line a
line that creates a <span class=SpellE>CL_Sprite</span> called <span
class=SpellE>Flaming_Ship</span>.</p>
<p class=MsoNormal><o:p></o:p></p>
<hr>
<p class=MsoNormal><o:p></o:p><span style='font-size:10.0pt;color:black'>//<span
class=SpellE>main.cpp</span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>#include <span
class=SpellE>main.h</span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span class=SpellE><span class=GramE><span style='font-size:
10.0pt;color:black'>int</span></span></span><span style='font-size:10.0pt;
color:black'> <span class=SpellE>SimpleApp::main</span>(<span class=SpellE>int</span>
<span class=SpellE>argc</span>, char **<span class=SpellE>argv</span>)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>{<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>//we need to set up all the
different pieces<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupCore::<span
class=GramE>init</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupApplication::<span
class=GramE>init</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupDisplay::<span
class=GramE>init</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupGL::<span
class=GramE>init</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span><span style='font-size:10.0pt;color:black'><o:p></o:p></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>//We need to create a window so
people can see what were doing<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:.5in'><span class=SpellE><span
style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span>CL_DisplayWindow</span></span><span
style='font-size:10.0pt;color:black'> <span class=GramE>window(</span>"A
Simple <span class=SpellE>ClanLib</span> App", 640, 480, false, true);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>//Tell Clanlib that we will be
drawing in 2D<o:p></o:p></span></p>
<span class=SpellE><span
style='font-size:10.0pt;color:black'> <span
style='mso-tab-count:1'></span></span></span>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span><span class=SpellE><span
style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span></span><span style='font-size:10.0pt;color:black'><o:p>CL_Display::begin_2d();</o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p><span
style='mso-tab-count:1'></span></span></p>
<p class=MsoNormal><span style='mso-bookmark:OLE_LINK8'><span
class=SpellE><span class=GramE><span style='mso-bookmark:OLE_LINK3'><span
style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=GramE></span><span class=SpellE>CL_ResourceManager</span>
*myResourceManager</span></span></span></span></span><span
style='mso-bookmark:OLE_LINK8'><span style='mso-bookmark:OLE_LINK3'><span
style='font-size:10.0pt;color:black'> = new <span class=SpellE>CL_ResourceManager</span>(<span
class=SpellE>resources.scr</span>, false);<o:p></o:p></span></span></span></p>
<span style='mso-bookmark:OLE_LINK3'></span>
<p class=MsoNormal><span style='mso-bookmark:OLE_LINK8'><span style='font-size:
10.0pt;color:black'><span style='mso-tab-count:1'> </span><o:p></o:p></span></span></p>
<span style='mso-bookmark:OLE_LINK8'></span>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=GramE>//Setup our <span
class=SpellE>Flaming_Ship</span> sprite to use the resource file sprite.</span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span style='font-size:10.0pt;color:black'><span class=SpellE>CL_Sprite</span></span>
* <span class=SpellE>Flaming_Ship</span> = <span class=SpellE>new CL_<span class=GramE>Sprite</span></span><span
class=GramE>(</span>"<span class=SpellE>ship_flame</span>", <span
class=SpellE>myResourceManager</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>//lets start our while loop and
draw on the screen<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span>//If escape was hit, we should quit<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=GramE>while(</span>!CL_Keyboard::get_keycode(CL_KEY_ESCAPE))<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span>//clear the
screen to black<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span><span
class=SpellE>CL_Display::</span>clear();<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span><span
class=SpellE>Flaming_<span class=GramE>Ship->update</span></span><span
class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span><span
class=SpellE>Flaming_<span class=GramE>Ship->draw</span></span><span
class=GramE>(</span>315, 235)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span>//flip our
screen so it draws it to the front buffer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span><span
class=SpellE><span class=GramE>CL_Display::flip</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span>//call <span
class=SpellE>keep_alive</span>, the most important call in any loop<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:2'> </span><span
class=SpellE>CL_System::keep_<span class=GramE>alive</span></span><span
class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span>//Tell Clanlib that we are done
drawing in 2D<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span><span class=SpellE><span
style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span></span><span style='font-size:10.0pt;color:black'><o:p>delete
Flaming_Ship</o:p><o:p>;</o:p></span><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span><span class=SpellE><span
style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span></span><span style='font-size:10.0pt;color:black'><o:p>delete
</o:p><span
class=SpellE>MyResourceManager</span><o:p>;</o:p></span><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span><span style='font-size:10.0pt;color:black'><o:p> </o:p></span><span class=SpellE><span
style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'></span></span></span><span style='font-size:10.0pt;color:black'><o:p>CL_Display::end_2d();</o:p></span><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupCore::<span
class=GramE>deinit</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupApplication::<span
class=GramE>deinit</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupDisplay::<span
class=GramE>deinit</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>CL_SetupGL::<span
class=GramE>deinit</span></span><span class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><span
style='mso-tab-count:1'> </span><span class=SpellE>return 0;</span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p></o:p></span><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>}<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span class=SpellE>SimpleApp</span> app;</p>
<hr>
<p class=MsoNormal><o:p> </o:p><o:p> </o:p></p>
<p class=MsoNormal><i style='mso-bidi-font-style:normal'><span
style='font-size:10.0pt;color:black'><span style='mso-tab-count:1'>
</span><span
class=SpellE>CL_Sprite *Flaming_Ship</span> = <span class=SpellE>new CL_<span class=GramE>Sprite</span></span><span
class=GramE>(</span>"<span class=SpellE>ship_flame</span>", m<span
class=SpellE>yResourceManager</span>);<o:p></o:p></span></i></p>
<p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal>This sets up our sprite using the <span class=SpellE>ship_flame</span>
resource we defined earlier in our new resource file<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><i style='mso-bidi-font-style:normal'><span
style='font-size:10.0pt;color:black'><span style='mso-tab-count:2'>
</span><span
class=SpellE>Flaming_<span class=GramE>Ship->update</span></span><span
class=GramE>(</span>);<o:p></o:p></span></i></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>This updates our sprite to the current frame based on a 20
frames per second default.</p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><i style='mso-bidi-font-style:normal'><span
style='font-size:10.0pt;color:black'><span style='mso-tab-count:2'>
</span><span
class=SpellE>Flaming_<span class=GramE>Ship->draw</span></span><span
class=GramE>(</span>315, 235)<o:p>;</o:p></span></i></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span class=GramE>Draws our sprite on the screen.</span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>So as you can see, <span class=SpellE>ClanLib</span> offers
you a lot of functionality with very little code.</p>
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