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		<title>[a5] creating, editing File!</title>
		<link>http://www.allegro.cc/forums/view/607459</link>
		<description>Allegro.cc Forum Thread</description>
		<webMaster>matthew@allegro.cc (Matthew Leverton)</webMaster>
		<lastBuildDate>Sat, 28 May 2011 12:54:47 +0000</lastBuildDate>
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		<description><![CDATA[<div class="mockup v2"><p>I can open a file in the allegro that was saved by the console program, or I have to create it with &quot;File system routines.&quot;</p><p>My idea is adding that &quot;void test...&quot; in an &quot;int main&quot; for example.</p><p>int main(int... {<br />// load allegro ini..<br /> test();<br /> graphics();<br /> display = al_create_display(SCREEN_W, SCREEN_H);<br />....</p><p>It&#39;s possible?</p><div class="source-code"><div class="toolbar"><span class="button numbers"><b>#</b></span><span class="button select">Select</span><span class="button expand">Expand</span></div><div class="inner"><span class="number">  1</span><span class="k1">void</span> test<span class="k2">(</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number">  2</span>   <span class="k1">bool</span> go <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number">  3</span>   FILE <span class="k3">*</span>arq<span class="k2">;</span>
<span class="number">  4</span>   <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Isometric Map Editor\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number">  5</span>   <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Select\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number">  6</span>   <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"[1] New Map\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number">  7</span>   <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"[2] Edit Map\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number">  8</span>   <span class="k1">int</span> resp<span class="k2">;</span>
<span class="number">  9</span>   <a href="http://www.delorie.com/djgpp/doc/libc/libc_670.html" target="_blank">scanf</a><span class="k2">(</span><span class="s">"%d"</span>,<span class="k3">&amp;</span>resp<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 10</span>   <span class="k1">if</span><span class="k2">(</span>resp<span class="k3">=</span><span class="k3">=</span><span class="n">1</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 11</span>     <span class="k1">while</span> <span class="k2">(</span>go <span class="k3">=</span><span class="k3">=</span> <span class="k1">false</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 12</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Enter a name for your map (max 20)\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 13</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_315.html" target="_blank">fflush</a><span class="k2">(</span>stdin<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 14</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_417.html" target="_blank">gets</a><span class="k2">(</span>map_name<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 15</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Enter a size N for your map ( N x N ) max 50\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 16</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_315.html" target="_blank">fflush</a><span class="k2">(</span>stdin<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 17</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_670.html" target="_blank">scanf</a><span class="k2">(</span><span class="s">"%d"</span>,<span class="k3">&amp;</span>resp<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 18</span>   <span class="k1">if</span><span class="k2">(</span>resp <span class="k3">&lt;</span><span class="n">50</span> <span class="k3">&amp;</span><span class="k3">&amp;</span> resp&gt;0<span class="k2">)</span> m_siz <span class="k3">=</span> resp<span class="k2">;</span>
<span class="number"> 19</span>        <span class="k1">else</span> <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Can not create a map size %d, therefore I will create (15 x 15)\n"</span>, resp<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 20</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_756.html" target="_blank">strcpy</a><span class="k2">(</span>directory, <span class="s">"data/map/"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 21</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_752.html" target="_blank">strcat</a><span class="k2">(</span>directory, map_name<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 22</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_752.html" target="_blank">strcat</a><span class="k2">(</span>directory, <span class="s">".map"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 23</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"creating: %s\n"</span>, directory<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 24</span>
<span class="number"> 25</span>   <span class="k1">if</span><span class="k2">(</span><span class="k3">!</span><a href="http://www.delorie.com/djgpp/doc/libc/libc_337.html" target="_blank">fopen</a><span class="k2">(</span>directory,<span class="s">"r"</span><span class="k2">)</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 26</span>        arq<span class="k3">=</span><a href="http://www.delorie.com/djgpp/doc/libc/libc_337.html" target="_blank">fopen</a><span class="k2">(</span>directory,<span class="s">"w+"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 27</span>        go <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 28</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Map created\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 29</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_802.html" target="_blank">system</a><span class="k2">(</span><span class="s">"pause"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 30</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_308.html" target="_blank">fclose</a><span class="k2">(</span>arq<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 31</span>     <span class="k2">}</span>
<span class="number"> 32</span>     <span class="k1">else</span> <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Error!(Try other name)\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 33</span>     <span class="k2">}</span>
<span class="number"> 34</span>   <span class="k2">}</span>
<span class="number"> 35</span>   <span class="k1">else</span> <span class="k1">if</span><span class="k2">(</span>resp<span class="k3">=</span><span class="k3">=</span><span class="n">2</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 36</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Type the name of your map\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 37</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_315.html" target="_blank">fflush</a><span class="k2">(</span>stdin<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 38</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_417.html" target="_blank">gets</a><span class="k2">(</span>map_name<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 39</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_756.html" target="_blank">strcpy</a><span class="k2">(</span>directory, <span class="s">"data/map/"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 40</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_752.html" target="_blank">strcat</a><span class="k2">(</span>directory, map_name<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 41</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_752.html" target="_blank">strcat</a><span class="k2">(</span>directory, <span class="s">".map"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 42</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"\n opening file '%s'\n"</span>, directory<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 43</span>    <span class="k1">if</span><span class="k2">(</span><a href="http://www.delorie.com/djgpp/doc/libc/libc_337.html" target="_blank">fopen</a><span class="k2">(</span>directory, <span class="s">"r"</span><span class="k2">)</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 44</span>        arq <span class="k3">=</span> <a href="http://www.delorie.com/djgpp/doc/libc/libc_337.html" target="_blank">fopen</a><span class="k2">(</span>directory, <span class="s">"r"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 45</span>        <a href="http://www.delorie.com/djgpp/doc/libc/libc_349.html" target="_blank">fread</a><span class="k2">(</span><span class="k3">&amp;</span>savemap, <span class="k1">sizeof</span><span class="k2">(</span><span class="k1">struct</span> mapdata<span class="k2">)</span>, <span class="n">1</span>, arq<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 46</span>        <span class="k1">for</span><span class="k2">(</span><span class="k1">int</span> z <span class="k3">=</span> <span class="n">0</span> <span class="k2">;</span> z <span class="k3">&lt;</span> <span class="n">3</span><span class="k2">;</span> z<span class="k3">+</span><span class="k3">+</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 47</span>        <span class="k1">for</span><span class="k2">(</span><span class="k1">int</span> y <span class="k3">=</span> <span class="n">0</span> <span class="k2">;</span> y <span class="k3">&lt;</span> m_siz <span class="k2">;</span> y<span class="k3">+</span><span class="k3">+</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 48</span>        <span class="k1">for</span><span class="k2">(</span><span class="k1">int</span> x <span class="k3">=</span> <span class="n">0</span> <span class="k2">;</span> x <span class="k3">&lt;</span> m_siz <span class="k2">;</span> x<span class="k3">+</span><span class="k3">+</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 49</span>        map<span class="k2">[</span>z<span class="k2">]</span><span class="k2">[</span>x<span class="k2">]</span><span class="k2">[</span>y<span class="k2">]</span> <span class="k3">=</span> savemap.mapdat<span class="k2">[</span>z<span class="k2">]</span><span class="k2">[</span>x<span class="k2">]</span><span class="k2">[</span>y<span class="k2">]</span><span class="k2">;</span>
<span class="number"> 50</span>       <span class="k2">}</span>
<span class="number"> 51</span>     <span class="k2">}</span>
<span class="number"> 52</span>   <span class="k2">}</span>
<span class="number"> 53</span>   <a href="http://www.delorie.com/djgpp/doc/libc/libc_756.html" target="_blank">strcpy</a><span class="k2">(</span>map_name, savemap.name<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 54</span>   m_siz <span class="k3">=</span> savemap.m_size<span class="k2">;</span>
<span class="number"> 55</span>   <span class="k1">for</span><span class="k2">(</span><span class="k1">int</span> c_layer<span class="k3">=</span><span class="n">0</span><span class="k2">;</span>
<span class="number"> 56</span>      c_layer<span class="k3">&lt;</span> l_size<span class="k2">;</span>
<span class="number"> 57</span>      c_layer<span class="k3">+</span><span class="k3">+</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 58</span>      layers<span class="k2">[</span>c_layer<span class="k2">]</span>.layer <span class="k3">=</span> savemap.m_layers<span class="k2">[</span>c_layer<span class="k2">]</span>.layer<span class="k2">;</span>
<span class="number"> 59</span>      <span class="k2">}</span>
<span class="number"> 60</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_308.html" target="_blank">fclose</a><span class="k2">(</span>arq<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 61</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"File opening... !\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 62</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_802.html" target="_blank">system</a><span class="k2">(</span><span class="s">"pause"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 63</span>
<span class="number"> 64</span>    <span class="k2">}</span>
<span class="number"> 65</span>    <span class="k1">else</span>
<span class="number"> 66</span>    <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"Error... Could not find on the map %s\n"</span>, map_name<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 67</span>   <span class="k2">}</span>
<span class="number"> 68</span><span class="k2">}</span><span class="k2">;</span>
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		</description>
		<author>no-reply@allegro.cc (Jefferson Almeida)</author>
		<pubDate>Sat, 28 May 2011 11:53:45 +0000</pubDate>
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	<item>
		<description><![CDATA[<div class="mockup v2"><p>You can use Allegro to read any file, but the file needs to have a well defined structure so you can use the <span class="source-code"><a href="http://www.allegro.cc/manual/al_fread"><span class="a">al_fread</span></a><span class="k3">*</span></span> functions on it.
</p></div>]]>
		</description>
		<author>no-reply@allegro.cc (Edgar Reynaldo)</author>
		<pubDate>Sat, 28 May 2011 12:54:47 +0000</pubDate>
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