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		<title>Switching between displayed windows</title>
		<link>http://www.allegro.cc/forums/view/617161</link>
		<description>Allegro.cc Forum Thread</description>
		<webMaster>matthew@allegro.cc (Matthew Leverton)</webMaster>
		<lastBuildDate>Mon, 11 Dec 2017 01:40:31 +0000</lastBuildDate>
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	<item>
		<description><![CDATA[<div class="mockup v2"><p>Hi! What to do to switch windows by using key &quot;1&quot;? &quot;1&quot; means &quot;new game&quot;. First starts menu, then I want to display game menu by clicking &quot;1&quot;.<br />Here&#39;s my code:
</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="p">#include &lt;stdio.h&gt;</span>
<span class="number">   2</span><span class="p">#include &lt;allegro5/allegro.h&gt;</span>
<span class="number">   3</span><span class="p">#include &lt;allegro5/allegro_image.h&gt;</span>
<span class="number">   4</span><span class="p">#include &lt;allegro5/allegro_font.h&gt;</span>
<span class="number">   5</span><span class="p">#include &lt;allegro5/allegro_ttf.h&gt;</span>
<span class="number">   6</span>
<span class="number">   7</span>
<span class="number">   8</span><span class="k1">const</span> <span class="k1">float</span> FPS <span class="k3">=</span> <span class="n">60</span><span class="k2">;</span>
<span class="number">   9</span><span class="k1">const</span> <span class="k1">int</span> <a href="http://www.allegro.cc/manual/SCREEN_W"><span class="a">SCREEN_W</span></a> <span class="k3">=</span> <span class="n">1280</span><span class="k2">;</span>
<span class="number">  10</span><span class="k1">const</span> <span class="k1">int</span> <a href="http://www.allegro.cc/manual/SCREEN_H"><span class="a">SCREEN_H</span></a> <span class="k3">=</span> <span class="n">720</span><span class="k2">;</span>
<span class="number">  11</span><span class="k1">const</span> <span class="k1">int</span> WARRIOR_SIZE <span class="k3">=</span> <span class="n">84</span><span class="k2">;</span>
<span class="number">  12</span><span class="k1">enum</span> MYKEYS <span class="k2">{</span>
<span class="number">  13</span>  KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT
<span class="number">  14</span><span class="k2">}</span><span class="k2">;</span>
<span class="number">  15</span>
<span class="number">  16</span><span class="k1">int</span> main<span class="k2">(</span><span class="k1">int</span> argc, <span class="k1">char</span> <span class="k3">*</span><span class="k3">*</span>argv<span class="k2">)</span>
<span class="number">  17</span><span class="k2">{</span>
<span class="number">  18</span><span class="c">/*   ALLEGRO_DISPLAY *displaystart = NULL;</span>
<span class="number">  19</span><span class="c">  ALLEGRO_EVENT_QUEUE *event_queue = NULL; </span>
<span class="number">  20</span><span class="c">  if (!al_init()) {</span>
<span class="number">  21</span><span class="c">    fprintf(stderr, "failed to initialize allegro!\n");</span>
<span class="number">  22</span><span class="c">    return -1;</span>
<span class="number">  23</span><span class="c">  }</span>
<span class="number">  24</span><span class="c">  al_init_font_addon(); // initialize the font addon</span>
<span class="number">  25</span><span class="c">  al_init_ttf_addon();// initialize the ttf (True Type Font) addon</span>
<span class="number">  26</span><span class="c">  al_install_keyboard();</span>
<span class="number">  27</span><span class="c"></span>
<span class="number">  28</span><span class="c">  displaystart = al_create_display(1024, 768);</span>
<span class="number">  29</span><span class="c">  if (!displaystart) {</span>
<span class="number">  30</span><span class="c">    fprintf(stderr, "failed to create displaystart!\n");</span>
<span class="number">  31</span><span class="c">    return -1;</span>
<span class="number">  32</span><span class="c">  }</span>
<span class="number">  33</span><span class="c">  ALLEGRO_FONT *font = al_load_ttf_font("Artesana.ttf", 64, 0);</span>
<span class="number">  34</span><span class="c">  ALLEGRO_FONT *fonttytul = al_load_ttf_font("ARRIBAAR.TTF", 100, 0);</span>
<span class="number">  35</span><span class="c"></span>
<span class="number">  36</span><span class="c">  if (!font) {</span>
<span class="number">  37</span><span class="c">    fprintf(stderr, "Could not load 'Artesana.ttf'.\n");</span>
<span class="number">  38</span><span class="c">    return -1;</span>
<span class="number">  39</span><span class="c">  }</span>
<span class="number">  40</span><span class="c">  if (!fonttytul) {</span>
<span class="number">  41</span><span class="c">    fprintf(stderr, "Could not load 'ARRIBAAR.TTF'.\n");</span>
<span class="number">  42</span><span class="c">    return -1;</span>
<span class="number">  43</span><span class="c">  }</span>
<span class="number">  44</span><span class="c">  event_queue = al_create_event_queue();</span>
<span class="number">  45</span><span class="c">  if (!event_queue) {</span>
<span class="number">  46</span><span class="c">    fprintf(stderr, "failed to create event_queue!\n");</span>
<span class="number">  47</span><span class="c">    al_destroy_display(displaystart);</span>
<span class="number">  48</span><span class="c">    return -1;</span>
<span class="number">  49</span><span class="c">  }</span>
<span class="number">  50</span><span class="c">  </span>
<span class="number">  51</span><span class="c">  al_register_event_source(event_queue, al_get_display_event_source(displaystart));</span>
<span class="number">  52</span><span class="c">  al_register_event_source(event_queue, al_get_keyboard_event_source(displaystart));</span>
<span class="number">  53</span><span class="c">  al_clear_to_color(al_map_rgb(2, 147, 0));</span>
<span class="number">  54</span><span class="c">  al_draw_text(fonttytul, al_map_rgb(223, 234, 18), 1024 / 2, 80, ALLEGRO_ALIGN_CENTRE, "Indi w tarapatach!");</span>
<span class="number">  55</span><span class="c">  al_draw_text(font, al_map_rgb(255, 255, 255), 1024 / 2, 250, ALLEGRO_ALIGN_CENTRE, "Nowa gra");</span>
<span class="number">  56</span><span class="c">  al_draw_text(font, al_map_rgb(255, 255, 255), 1024 / 2, 400, ALLEGRO_ALIGN_CENTRE, "Wyjdz z gry");</span>
<span class="number">  57</span><span class="c">  al_flip_display();</span>
<span class="number">  58</span><span class="c">  while (1)</span>
<span class="number">  59</span><span class="c">  {</span>
<span class="number">  60</span><span class="c">    ALLEGRO_EVENT ev;</span>
<span class="number">  61</span><span class="c">    ALLEGRO_TIMEOUT timeout;</span>
<span class="number">  62</span><span class="c">    al_init_timeout(&amp;timeout, 0.06);</span>
<span class="number">  63</span><span class="c"></span>
<span class="number">  64</span><span class="c">    bool get_event = al_wait_for_event_until(event_queue, &amp;ev, &amp;timeout);</span>
<span class="number">  65</span><span class="c">    </span>
<span class="number">  66</span><span class="c"></span>
<span class="number">  67</span><span class="c">    if (get_event &amp;&amp; ev.type  == ALLEGRO_EVENT_DISPLAY_CLOSE) {</span>
<span class="number">  68</span><span class="c">      break;</span>
<span class="number">  69</span><span class="c">    } </span>
<span class="number">  70</span><span class="c">    else if (get_event &amp;&amp; ev.type == ALLEGRO_EVENT_KEY_DOWN) {</span>
<span class="number">  71</span><span class="c">      break;</span>
<span class="number">  72</span><span class="c">    }</span>
<span class="number">  73</span><span class="c">  }</span>
<span class="number">  74</span><span class="c"></span>
<span class="number">  75</span><span class="c">  al_destroy_display(displaystart);</span>
<span class="number">  76</span><span class="c">  al_destroy_event_queue(event_queue);</span>
<span class="number">  77</span><span class="c">  return 0;</span>
<span class="number">  78</span><span class="c">} */</span>
<span class="number">  79</span> 
<span class="number">  80</span>   <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span><a href="http://www.allegro.cc/manual/al_init"><span class="a">al_init</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number">  81</span>    <a href="http://www.delorie.com/djgpp/doc/libc/libc_624.html" target="_blank">printf</a><span class="k2">(</span><span class="s">"failed to create allegro!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number">  82</span>    <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number">  83</span>  <span class="k2">}</span>
<span class="number">  84</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_DISPLAY"><span class="a">ALLEGRO_DISPLAY</span></a> <span class="k3">*</span>display <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number">  85</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_EVENT_QUEUE"><span class="a">ALLEGRO_EVENT_QUEUE</span></a> <span class="k3">*</span>event_queue <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number">  86</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_TIMER"><span class="a">ALLEGRO_TIMER</span></a> <span class="k3">*</span>timer <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number">  87</span>    <span class="k1">float</span> warrior_x <span class="k3">=</span> <a href="http://www.allegro.cc/manual/SCREEN_W"><span class="a">SCREEN_W</span></a> <span class="k3">/</span> <span class="n">2</span>.<span class="n">0</span> <span class="k3">-</span> WARRIOR_SIZE <span class="k3">/</span> <span class="n">2</span>.<span class="n">0</span><span class="k2">;</span>
<span class="number">  88</span>    <span class="k1">float</span> warrior_y <span class="k3">=</span> <a href="http://www.allegro.cc/manual/SCREEN_H"><span class="a">SCREEN_H</span></a> <span class="k3">/</span> <span class="n">2</span>.<span class="n">0</span> <span class="k3">-</span> WARRIOR_SIZE <span class="k3">/</span> <span class="n">2</span>.<span class="n">0</span><span class="k2">;</span>
<span class="number">  89</span>    <span class="k1">bool</span> <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span><span class="n">4</span><span class="k2">]</span> <span class="k3">=</span> <span class="k2">{</span> <span class="k1">false</span>, <span class="k1">false</span>, <span class="k1">false</span>, <span class="k1">false</span> <span class="k2">}</span><span class="k2">;</span>
<span class="number">  90</span>    <span class="k1">bool</span> redraw <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number">  91</span>    <span class="k1">bool</span> doexit <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number">  92</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span><a href="http://www.allegro.cc/manual/al_install_keyboard"><span class="a">al_install_keyboard</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number">  93</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"failed to initialize the keyboard!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number">  94</span>      <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number">  95</span>    <span class="k2">}</span>
<span class="number">  96</span>
<span class="number">  97</span>    timer <span class="k3">=</span> <a href="http://www.allegro.cc/manual/al_create_timer"><span class="a">al_create_timer</span></a><span class="k2">(</span><span class="n">0</span>.<span class="n">8</span> <span class="k3">/</span> FPS<span class="k2">)</span><span class="k2">;</span>
<span class="number">  98</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span>timer<span class="k2">)</span> <span class="k2">{</span>
<span class="number">  99</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"failed to create timer!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 100</span>      <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number"> 101</span>    <span class="k2">}</span>
<span class="number"> 102</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span><a href="http://www.allegro.cc/manual/al_init_image_addon"><span class="a">al_init_image_addon</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 103</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"Failed to initialize al_init_image_addon!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 104</span>      <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number"> 105</span>    <span class="k2">}</span>
<span class="number"> 106</span>    display <span class="k3">=</span> <a href="http://www.allegro.cc/manual/al_create_display"><span class="a">al_create_display</span></a><span class="k2">(</span><a href="http://www.allegro.cc/manual/SCREEN_W"><span class="a">SCREEN_W</span></a>, <a href="http://www.allegro.cc/manual/SCREEN_H"><span class="a">SCREEN_H</span></a><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 107</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span>display<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 108</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"failed to create display!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 109</span>      <a href="http://www.allegro.cc/manual/al_destroy_timer"><span class="a">al_destroy_timer</span></a><span class="k2">(</span>timer<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 110</span>      <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number"> 111</span>    <span class="k2">}</span>
<span class="number"> 112</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_BITMAP"><span class="a">ALLEGRO_BITMAP</span></a>  <span class="k3">*</span>warrior <span class="k3">=</span> <a href="http://www.allegro.cc/manual/al_load_bitmap"><span class="a">al_load_bitmap</span></a><span class="k2">(</span><span class="s">"indiana.png"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 113</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_BITMAP"><span class="a">ALLEGRO_BITMAP</span></a>  <span class="k3">*</span>mapa1 <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number"> 114</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_BITMAP"><span class="a">ALLEGRO_BITMAP</span></a>  <span class="k3">*</span>mapa2 <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number"> 115</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_BITMAP"><span class="a">ALLEGRO_BITMAP</span></a>  <span class="k3">*</span>mapa3 <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number"> 116</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_BITMAP"><span class="a">ALLEGRO_BITMAP</span></a>  <span class="k3">*</span>mapa4 <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number"> 117</span>    <a href="http://www.allegro.cc/manual/ALLEGRO_BITMAP"><span class="a">ALLEGRO_BITMAP</span></a>  <span class="k3">*</span>mapa5 <span class="k3">=</span> NULL<span class="k2">;</span>
<span class="number"> 118</span>    warrior <span class="k3">=</span> <a href="http://www.allegro.cc/manual/al_load_bitmap"><span class="a">al_load_bitmap</span></a><span class="k2">(</span><span class="s">"indiana.png"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 119</span>    <a href="http://www.allegro.cc/manual/al_convert_mask_to_alpha"><span class="a">al_convert_mask_to_alpha</span></a><span class="k2">(</span>warrior, <a href="http://www.allegro.cc/manual/al_map_rgb"><span class="a">al_map_rgb</span></a><span class="k2">(</span><span class="n">255</span>, <span class="n">255</span>, <span class="n">255</span><span class="k2">)</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 120</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span>warrior<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 121</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"failed to create warrior!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 122</span>      <a href="http://www.allegro.cc/manual/al_destroy_display"><span class="a">al_destroy_display</span></a><span class="k2">(</span>display<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 123</span>      <a href="http://www.allegro.cc/manual/al_destroy_timer"><span class="a">al_destroy_timer</span></a><span class="k2">(</span>timer<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 124</span>      <span class="k1">return</span> <span class="n">0</span><span class="k2">;</span>
<span class="number"> 125</span>    <span class="k2">}</span>
<span class="number"> 126</span>    mapa1 <span class="k3">=</span> <a href="http://www.allegro.cc/manual/al_load_bitmap"><span class="a">al_load_bitmap</span></a><span class="k2">(</span><span class="s">"mapa5.png"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 127</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span>mapa1<span class="k2">)</span>
<span class="number"> 128</span>    <span class="k2">{</span>
<span class="number"> 129</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"failed to load mapa1 bitmap!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 130</span>      <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number"> 131</span>    <span class="k2">}</span>
<span class="number"> 132</span>
<span class="number"> 133</span>    <a href="http://www.allegro.cc/manual/al_set_target_bitmap"><span class="a">al_set_target_bitmap</span></a><span class="k2">(</span>warrior<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 134</span>
<span class="number"> 135</span>    <a href="http://www.allegro.cc/manual/al_set_target_bitmap"><span class="a">al_set_target_bitmap</span></a><span class="k2">(</span><a href="http://www.allegro.cc/manual/al_get_backbuffer"><span class="a">al_get_backbuffer</span></a><span class="k2">(</span>display<span class="k2">)</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 136</span>
<span class="number"> 137</span>    event_queue <span class="k3">=</span> <a href="http://www.allegro.cc/manual/al_create_event_queue"><span class="a">al_create_event_queue</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 138</span>    <span class="k1">if</span> <span class="k2">(</span><span class="k3">!</span>event_queue<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 139</span>      <a href="http://www.delorie.com/djgpp/doc/libc/libc_345.html" target="_blank">fprintf</a><span class="k2">(</span>stderr, <span class="s">"failed to create event_queue!\n"</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 140</span>      <a href="http://www.allegro.cc/manual/al_destroy_bitmap"><span class="a">al_destroy_bitmap</span></a><span class="k2">(</span>warrior<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 141</span>      <a href="http://www.allegro.cc/manual/al_destroy_display"><span class="a">al_destroy_display</span></a><span class="k2">(</span>display<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 142</span>      <a href="http://www.allegro.cc/manual/al_destroy_timer"><span class="a">al_destroy_timer</span></a><span class="k2">(</span>timer<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 143</span>      <span class="k1">return</span> <span class="k3">-</span><span class="n">1</span><span class="k2">;</span>
<span class="number"> 144</span>    <span class="k2">}</span>
<span class="number"> 145</span>
<span class="number"> 146</span>    <a href="http://www.allegro.cc/manual/al_register_event_source"><span class="a">al_register_event_source</span></a><span class="k2">(</span>event_queue, <a href="http://www.allegro.cc/manual/al_get_display_event_source"><span class="a">al_get_display_event_source</span></a><span class="k2">(</span>display<span class="k2">)</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 147</span>
<span class="number"> 148</span>    <a href="http://www.allegro.cc/manual/al_register_event_source"><span class="a">al_register_event_source</span></a><span class="k2">(</span>event_queue, <a href="http://www.allegro.cc/manual/al_get_timer_event_source"><span class="a">al_get_timer_event_source</span></a><span class="k2">(</span>timer<span class="k2">)</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 149</span>
<span class="number"> 150</span>    <a href="http://www.allegro.cc/manual/al_register_event_source"><span class="a">al_register_event_source</span></a><span class="k2">(</span>event_queue, <a href="http://www.allegro.cc/manual/al_get_keyboard_event_source"><span class="a">al_get_keyboard_event_source</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 151</span>
<span class="number"> 152</span>    <a href="http://www.allegro.cc/manual/al_draw_bitmap"><span class="a">al_draw_bitmap</span></a><span class="k2">(</span>mapa1, <span class="n">0</span>, <span class="n">0</span>, <span class="n">0</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 153</span>
<span class="number"> 154</span>    <a href="http://www.allegro.cc/manual/al_flip_display"><span class="a">al_flip_display</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 155</span>
<span class="number"> 156</span>    <a href="http://www.allegro.cc/manual/al_start_timer"><span class="a">al_start_timer</span></a><span class="k2">(</span>timer<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 157</span>
<span class="number"> 158</span>    <span class="k1">while</span> <span class="k2">(</span><span class="k3">!</span>doexit<span class="k2">)</span>
<span class="number"> 159</span>    <span class="k2">{</span>
<span class="number"> 160</span>      <a href="http://www.allegro.cc/manual/ALLEGRO_EVENT"><span class="a">ALLEGRO_EVENT</span></a> ev<span class="k2">;</span>
<span class="number"> 161</span>      <a href="http://www.allegro.cc/manual/al_wait_for_event"><span class="a">al_wait_for_event</span></a><span class="k2">(</span>event_queue, <span class="k3">&amp;</span>ev<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 162</span>
<span class="number"> 163</span>      <span class="k1">if</span> <span class="k2">(</span>ev.type <span class="k3">=</span><span class="k3">=</span> ALLEGRO_EVENT_TIMER<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 164</span>        <span class="k1">if</span> <span class="k2">(</span><a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_UP<span class="k2">]</span> <span class="k3">&amp;</span><span class="k3">&amp;</span> warrior_y <span class="k3">&gt;</span><span class="k3">=</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 165</span>          warrior_y <span class="k3">-</span><span class="k3">=</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">;</span>
<span class="number"> 166</span>        <span class="k2">}</span>
<span class="number"> 167</span>
<span class="number"> 168</span>        <span class="k1">if</span> <span class="k2">(</span><a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_DOWN<span class="k2">]</span> <span class="k3">&amp;</span><span class="k3">&amp;</span> warrior_y <span class="k3">&lt;</span><span class="k3">=</span> <a href="http://www.allegro.cc/manual/SCREEN_H"><span class="a">SCREEN_H</span></a> <span class="k3">-</span> WARRIOR_SIZE <span class="k3">-</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 169</span>          warrior_y <span class="k3">+</span><span class="k3">=</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">;</span>
<span class="number"> 170</span>        <span class="k2">}</span>
<span class="number"> 171</span>
<span class="number"> 172</span>        <span class="k1">if</span> <span class="k2">(</span><a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_LEFT<span class="k2">]</span> <span class="k3">&amp;</span><span class="k3">&amp;</span> warrior_x <span class="k3">&gt;</span><span class="k3">=</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 173</span>          warrior_x <span class="k3">-</span><span class="k3">=</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">;</span>
<span class="number"> 174</span>        <span class="k2">}</span>
<span class="number"> 175</span>
<span class="number"> 176</span>        <span class="k1">if</span> <span class="k2">(</span><a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_RIGHT<span class="k2">]</span> <span class="k3">&amp;</span><span class="k3">&amp;</span> warrior_x <span class="k3">&lt;</span><span class="k3">=</span> <a href="http://www.allegro.cc/manual/SCREEN_W"><span class="a">SCREEN_W</span></a> <span class="k3">-</span> WARRIOR_SIZE <span class="k3">-</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 177</span>          warrior_x <span class="k3">+</span><span class="k3">=</span> <span class="n">4</span>.<span class="n">0</span><span class="k2">;</span>
<span class="number"> 178</span>        <span class="k2">}</span>
<span class="number"> 179</span>        redraw <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 180</span>      <span class="k2">}</span>
<span class="number"> 181</span>      <span class="k1">else</span> <span class="k1">if</span> <span class="k2">(</span>ev.type <span class="k3">=</span><span class="k3">=</span> ALLEGRO_EVENT_DISPLAY_CLOSE<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 182</span>        <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 183</span>      <span class="k2">}</span>
<span class="number"> 184</span>      <span class="k1">else</span> <span class="k1">if</span> <span class="k2">(</span>ev.type <span class="k3">=</span><span class="k3">=</span> ALLEGRO_EVENT_KEY_DOWN<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 185</span>        <span class="k1">switch</span> <span class="k2">(</span>ev.keyboard.keycode<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 186</span>        <span class="k1">case</span> ALLEGRO_KEY_UP:
<span class="number"> 187</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_UP<span class="k2">]</span> <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 188</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 189</span>
<span class="number"> 190</span>        <span class="k1">case</span> ALLEGRO_KEY_DOWN:
<span class="number"> 191</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_DOWN<span class="k2">]</span> <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 192</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 193</span>
<span class="number"> 194</span>        <span class="k1">case</span> ALLEGRO_KEY_LEFT:
<span class="number"> 195</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_LEFT<span class="k2">]</span> <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 196</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 197</span>
<span class="number"> 198</span>        <span class="k1">case</span> ALLEGRO_KEY_RIGHT:
<span class="number"> 199</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_RIGHT<span class="k2">]</span> <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 200</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 201</span>        <span class="k2">}</span>
<span class="number"> 202</span>      <span class="k2">}</span>
<span class="number"> 203</span>      <span class="k1">else</span> <span class="k1">if</span> <span class="k2">(</span>ev.type <span class="k3">=</span><span class="k3">=</span> ALLEGRO_EVENT_KEY_UP<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 204</span>        <span class="k1">switch</span> <span class="k2">(</span>ev.keyboard.keycode<span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 205</span>        <span class="k1">case</span> ALLEGRO_KEY_UP:
<span class="number"> 206</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_UP<span class="k2">]</span> <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number"> 207</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 208</span>
<span class="number"> 209</span>        <span class="k1">case</span> ALLEGRO_KEY_DOWN:
<span class="number"> 210</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_DOWN<span class="k2">]</span> <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number"> 211</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 212</span>
<span class="number"> 213</span>        <span class="k1">case</span> ALLEGRO_KEY_LEFT:
<span class="number"> 214</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_LEFT<span class="k2">]</span> <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number"> 215</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 216</span>
<span class="number"> 217</span>        <span class="k1">case</span> ALLEGRO_KEY_RIGHT:
<span class="number"> 218</span>          <a href="http://www.allegro.cc/manual/key"><span class="a">key</span></a><span class="k2">[</span>KEY_RIGHT<span class="k2">]</span> <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number"> 219</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 220</span>
<span class="number"> 221</span>        <span class="k1">case</span> ALLEGRO_KEY_ESCAPE:
<span class="number"> 222</span>          doexit <span class="k3">=</span> <span class="k1">true</span><span class="k2">;</span>
<span class="number"> 223</span>          <span class="k1">break</span><span class="k2">;</span>
<span class="number"> 224</span>        <span class="k2">}</span>
<span class="number"> 225</span>      <span class="k2">}</span>
<span class="number"> 226</span>
<span class="number"> 227</span>      <span class="k1">if</span> <span class="k2">(</span>redraw <span class="k3">&amp;</span><span class="k3">&amp;</span> <a href="http://www.allegro.cc/manual/al_is_event_queue_empty"><span class="a">al_is_event_queue_empty</span></a><span class="k2">(</span>event_queue<span class="k2">)</span><span class="k2">)</span> <span class="k2">{</span>
<span class="number"> 228</span>        redraw <span class="k3">=</span> <span class="k1">false</span><span class="k2">;</span>
<span class="number"> 229</span>
<span class="number"> 230</span>
<span class="number"> 231</span>        <a href="http://www.allegro.cc/manual/al_draw_bitmap"><span class="a">al_draw_bitmap</span></a><span class="k2">(</span>warrior, warrior_x, warrior_y, <span class="n">0</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 232</span>        <a href="http://www.allegro.cc/manual/al_flip_display"><span class="a">al_flip_display</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 233</span>        <a href="http://www.allegro.cc/manual/al_draw_bitmap"><span class="a">al_draw_bitmap</span></a><span class="k2">(</span>mapa1, <span class="n">0</span>, <span class="n">0</span>, <span class="n">0</span><span class="k2">)</span><span class="k2">;</span>
<span class="number"> 234</span>        
<span class="number"> 235</span>      <span class="k2">}</span>
<span class="number"> 236</span>    <span class="k2">}</span>
<span class="number"> 237</span>    <a href="http://www.allegro.cc/manual/al_destroy_bitmap"><span class="a">al_destroy_bitmap</span></a><span class="k2">(</span>warrior<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 238</span>    <a href="http://www.allegro.cc/manual/al_destroy_bitmap"><span class="a">al_destroy_bitmap</span></a><span class="k2">(</span>mapa1<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 239</span>    <a href="http://www.allegro.cc/manual/al_destroy_timer"><span class="a">al_destroy_timer</span></a><span class="k2">(</span>timer<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 240</span>    <a href="http://www.allegro.cc/manual/al_destroy_display"><span class="a">al_destroy_display</span></a><span class="k2">(</span>display<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 241</span>    <a href="http://www.allegro.cc/manual/al_destroy_event_queue"><span class="a">al_destroy_event_queue</span></a><span class="k2">(</span>event_queue<span class="k2">)</span><span class="k2">;</span>
<span class="number"> 242</span>
<span class="number"> 243</span>    <span class="k1">return</span> <span class="n">0</span><span class="k2">;</span>
<span class="number"> 244</span>  <span class="k2">}</span> 
<span class="number"> 245</span>  <span class="k2">;</span>
</div></div><p>
</p></div>]]>
		</description>
		<author>no-reply@allegro.cc (Bater55)</author>
		<pubDate>Thu, 07 Dec 2017 21:15:03 +0000</pubDate>
	</item>
	<item>
		<description><![CDATA[<div class="mockup v2"><p>Wait for a keypress :
</p><div class="source-code snippet"><div class="inner"><pre><a href="http://www.allegro.cc/manual/ALLEGRO_EVENT"><span class="a">ALLEGRO_EVENT</span></a> ev<span class="k2">;</span>
<span class="k1">do</span> <span class="k2">{</span>
   <a href="http://www.allegro.cc/manual/al_wait_for_event"><span class="a">al_wait_for_event</span></a><span class="k2">(</span>queue , <span class="k3">&amp;</span>ev<span class="k2">)</span><span class="k2">;</span>
<span class="k2">}</span> <span class="k1">while</span> <span class="k2">(</span>ev.type <span class="k3">!</span><span class="k3">=</span> ALLEGRO_EVENT_KEY_DOWN<span class="k2">)</span><span class="k2">;</span>
</pre></div></div><p>

Check for key 1
</p><div class="source-code snippet"><div class="inner"><pre><span class="k1">if</span> <span class="k2">(</span>ev.type <span class="k3">=</span><span class="k3">=</span> ALLEGRO_EVENT_KEY_DOWN <span class="k3">&amp;</span><span class="k3">&amp;</span> ev.keyboard.keycode <span class="k3">=</span><span class="k3">=</span> ALLEGRO_KEY_1<span class="k2">)</span> <span class="k2">{</span><span class="k2">}</span>
</pre></div></div><p>

Draw a new screen :
</p><div class="source-code snippet"><div class="inner"><pre><a href="http://www.allegro.cc/manual/al_draw_bitmap"><span class="a">al_draw_bitmap</span></a><span class="k2">(</span>game , <span class="n">0</span> , <span class="n">0</span><span class="k2">)</span><span class="k2">;</span>
<a href="http://www.allegro.cc/manual/al_flip_display"><span class="a">al_flip_display</span></a><span class="k2">(</span><span class="k2">)</span><span class="k2">;</span>
</pre></div></div><p>
</p></div>]]>
		</description>
		<author>no-reply@allegro.cc (Edgar Reynaldo)</author>
		<pubDate>Mon, 11 Dec 2017 01:40:31 +0000</pubDate>
	</item>
</rss>
