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206 lines
45 KiB
HTML
206 lines
45 KiB
HTML
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<title>Tutorial 24: CursorControl</title>
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Target was having a single html in each example folder which is created from the main.cpp files and needs no files besides some images below media folder.
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</head>
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<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
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<!--END TITLEAREA-->
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<!-- end header part -->
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<!-- Generated by Doxygen 1.8.13 -->
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</div><!-- top -->
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<div class="header">
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<div class="headertitle">
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<div class="title">Tutorial 24: CursorControl </div> </div>
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</div><!--header-->
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<div class="contents">
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<div class="textblock"><div class="image">
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<img src="../../media/example_screenshots/024shot.jpg" alt="024shot.jpg"/>
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</div>
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<p>Show how to modify cursors and offer some useful tool-functions for creating cursors. It can also be used for experiments with the mouse in general. </p><div class="fragment"><div class="line"><span class="preprocessor">#include <irrlicht.h></span></div><div class="line"><span class="preprocessor">#include "driverChoice.h"</span></div><div class="line"><span class="preprocessor">#include "exampleHelper.h"</span></div><div class="line"></div><div class="line"><span class="keyword">using namespace </span>irr;</div><div class="line"><span class="keyword">using namespace </span>core;</div><div class="line"><span class="keyword">using namespace </span>scene;</div><div class="line"><span class="keyword">using namespace </span>video;</div><div class="line"><span class="keyword">using namespace </span>io;</div><div class="line"><span class="keyword">using namespace </span>gui;</div><div class="line"></div><div class="line"><span class="preprocessor">#ifdef _MSC_VER</span></div><div class="line"><span class="preprocessor">#pragma comment(lib, "Irrlicht.lib")</span></div><div class="line"><span class="preprocessor">#endif</span></div><div class="line"></div><div class="line"><span class="keyword">const</span> <span class="keywordtype">int</span> DELAY_TIME = 3000;</div><div class="line"></div><div class="line"><span class="keyword">enum</span> ETimerAction</div><div class="line">{</div><div class="line"> ETA_MOUSE_VISIBLE,</div><div class="line"> ETA_MOUSE_INVISIBLE,</div><div class="line">};</div></div><!-- fragment --><p> Structure to allow delayed execution of some actions. </p><div class="fragment"><div class="line"><span class="keyword">struct </span>TimerAction</div><div class="line">{</div><div class="line"> u32 TargetTime;</div><div class="line"> ETimerAction Action;</div><div class="line">};</div></div><!-- fragment --> <div class="fragment"><div class="line"><span class="keyword">struct </span>SAppContext</div><div class="line">{</div><div class="line"> SAppContext()</div><div class="line"> : Device(0), InfoStatic(0), EventBox(0), CursorBox(0), SpriteBox(0)</div><div class="line"> , ButtonSetVisible(0), ButtonSetInvisible(0), ButtonSimulateBadFps(0)</div><div class="line"> , ButtonChangeIcon(0)</div><div class="line"> , SimulateBadFps(false)</div><div class="line"> {</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordtype">void</span> update()</div><div class="line"> {</div><div class="line"> <span class="keywordflow">if</span> (!Device)</div><div class="line"> <span class="keywordflow">return</span>;</div><div class="line"> u32 timeNow = Device->getTimer()->getTime();</div><div class="line"> <span class="keywordflow">for</span> ( u32 i=0; i < TimerActions.size(); ++i )</div><div class="line"> {</div><div class="line"> <span class="keywordflow">if</span> ( timeNow >= TimerActions[i].TargetTime )</div><div class="line"> {</div><div class="line"> runTimerAction(TimerActions[i]);</div><div class="line"> TimerActions.erase(i);</div><div class="line"> }</div><div class="line"> <span class="keywordflow">else</span></div><div class="line"> {</div><div class="line"> ++i;</div><div class="line"> }</div><div class="line"> }</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordtype">void</span> runTimerAction(<span class="keyword">const</span> TimerAction& action)</div><div class="line"> {</div><div class="line"> <span class="keywordflow">if</span> (ETA_MOUSE_VISIBLE == action.Action)</div><div class="line"> {</div><div class="line"> Device->getCursorControl()->setVisible(<span class="keyword">true</span>);</div><div class="line"> ButtonSetVisible->setEnabled(<span class="keyword">true</span>);</div><div class="line"> }</div><div class="line
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<p> </p>
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</html>
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