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Merging r6172 through r6199 from branch releases/1.8 to trunk Changes are all related to automatic creation of documentation. Note: It's not yet fully working in trunk due to changes since 1.8 git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6200 dfc29bdd-3216-0410-991c-e03cc46cb475
2021-03-18 21:33:59 +01:00
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<title>Tutorial 17: Helloworld mobile</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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<div class="header">
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<div class="title">Tutorial 17: Helloworld mobile </div> </div>
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<div class="contents">
<div class="textblock"><div class="image">
<img src="../../media/017shot.jpg" alt="017shot.jpg"/>
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This example show Hello World for Windows mobile. It compiles on other platform too. The only differences between the original examples are. You need a GUI, because otherwise you can't quit the application. You need a Filesystem, which is relative based to your executable. </p><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;irrlicht.h&gt;</span></div><div class="line"></div><div class="line"><span class="preprocessor">#if defined ( _IRR_WINDOWS_ )</span></div><div class="line"><span class="preprocessor"> #include &lt;windows.h&gt;</span></div><div class="line"><span class="preprocessor">#endif</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">#pragma comment(lib, &quot;Irrlicht.lib&quot;)</span></div><div class="line"></div><div class="line"><span class="keyword">class </span>EventReceiver_basic : <span class="keyword">public</span> IEventReceiver</div><div class="line">{</div><div class="line"><span class="keyword">private</span>:</div><div class="line"> IrrlichtDevice *Device;</div><div class="line"><span class="keyword">public</span>:</div><div class="line"> EventReceiver_basic ( IrrlichtDevice *device ): Device ( device ) {}</div><div class="line"></div><div class="line"> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> OnEvent(<span class="keyword">const</span> SEvent&amp; event)</div><div class="line"> {</div><div class="line"> <span class="keywordflow">if</span> (event.EventType == EET_GUI_EVENT)</div><div class="line"> {</div><div class="line"> s32 <span class="keywordtype">id</span> = <span class="keyword">event</span>.GUIEvent.Caller-&gt;getID();</div><div class="line"></div><div class="line"> <span class="keywordflow">switch</span>(event.GUIEvent.EventType)</div><div class="line"> {</div><div class="line"> <span class="keywordflow">case</span> EGET_BUTTON_CLICKED:</div><div class="line"> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == 2)</div><div class="line"> {</div><div class="line"> Device-&gt;closeDevice();</div><div class="line"> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"> } <span class="keywordflow">break</span>;</div><div class="line"> }</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"> }</div><div class="line">};</div><div class="line"></div><div class="line"><span class="keyword">class </span>CSampleSceneNode : <span class="keyword">public</span> ISceneNode</div><div class="line">{</div><div class="line"> aabbox3d&lt;f32&gt; Box;</div><div class="line"> S3DVertex Vertices[4];</div><div class="line"> SMaterial Material;</div><div class="line"><span class="keyword">public</span>:</div><div class="line"></div><div class="line"> CSampleSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 <span class="keywordtype">id</span>)</div><div class="line"> : ISceneNode(parent, mgr, id)</div><div class="line"> {</div><div class="line"> Material.Wireframe = <span class="keyword">false</span>;</div><div class="line"> Material.Lighting = <span class="keyword">false</span>;</div><div class="line"></div><div class="line"> Vertices[0] = S3DVertex(0,0,10, 1,1,0, SColor(255,0,255,255), 0, 1);</div><div class="line"> Vertices[1] = S3DVert
<p>To make the terrain look more big, we change the scale factor of it to (40, 4.4, 40). Because we don't have any dynamic lights in the scene, we switch off the lighting, and we set the file terrain-texture.jpg as texture for the terrain and detailmap3.jpg as second texture, called detail map. At last, we set the scale values for the texture: The first texture will be repeated only one time over the whole terrain, and the second one (detail map) 20 times. </p><div class="fragment"><div class="line"><span class="comment">// add terrain scene node</span></div><div class="line">scene::ITerrainSceneNode* terrain = smgr-&gt;addTerrainSceneNode(</div><div class="line"> <span class="stringliteral">&quot;../../media/terrain-heightmap.bmp&quot;</span>,</div><div class="line"> 0, <span class="comment">// parent node</span></div><div class="line"> -1, <span class="comment">// node id</span></div><div class="line"> core::vector3df(0.f, 0.f, 0.f), <span class="comment">// position</span></div><div class="line"> core::vector3df(0.f, 0.f, 0.f), <span class="comment">// rotation</span></div><div class="line"> core::vector3df(40.f, 4.4f, 40.f), <span class="comment">// scale</span></div><div class="line"> video::SColor ( 255, 255, 255, 255 ), <span class="comment">// vertexColor</span></div><div class="line"> 5, <span class="comment">// maxLOD</span></div><div class="line"> scene::ETPS_17, <span class="comment">// patchSize</span></div><div class="line"> 4 <span class="comment">// smoothFactor</span></div><div class="line"> );</div><div class="line"></div><div class="line"><span class="keywordflow">if</span> ( terrain )</div><div class="line">{</div><div class="line"> terrain-&gt;setMaterialFlag(video::EMF_LIGHTING, <span class="keyword">false</span>);</div><div class="line"></div><div class="line"> terrain-&gt;setMaterialTexture(0,</div><div class="line"> driver-&gt;getTexture(<span class="stringliteral">&quot;../../media/terrain-texture.jpg&quot;</span>));</div><div class="line"> terrain-&gt;setMaterialTexture(1,</div><div class="line"> driver-&gt;getTexture(<span class="stringliteral">&quot;../../media/detailmap3.jpg&quot;</span>));</div><div class="line"> </div><div class="line"> terrain-&gt;setMaterialType(video::EMT_DETAIL_MAP);</div><div class="line"></div><div class="line"> terrain-&gt;scaleTexture(1.0f, 20.0f);</div><div class="line"> <span class="comment">//terrain-&gt;setDebugDataVisible ( true );</span></div></div><!-- fragment --><p> To be able to do collision with the terrain, we create a triangle selector. If you want to know what triangle selectors do, just take a look into the collision tutorial. The terrain triangle selector works together with the terrain. To demonstrate this, we create a collision response animator and attach it to the camera, so that the camera will not be able to fly through the terrain. </p><div class="fragment"><div class="line"><span class="comment">// create triangle selector for the terrain </span></div><div class="line">scene::ITriangleSelector* selector</div><div class="line"> = smgr-&gt;createTerrainTriangleSelector(terrain, 0);</div><div class="line">terrain-&gt;setTriangleSelector(selector);</div><div class="line"></div><div class="line"><span class="comment">// create collision response animator and attach it to the camera</span></div><div class="line">scene::ISceneNodeAnimator* anim = smgr-&gt;createCollisionResponseAnimator(</div><div class="line"> selector, camera, core::vector3df(60,100,60),</div><div class="line"> core::vector3df(0,0,0),</div><div class="line"> core::vector3df(0,50,0));</div><div class="line">selector-&gt;drop();</div><div class="line">camera-&gt;addAnimator(anim);</div><div class="line">anim-&gt;drop();</div></div><!-- fragment --><p> If you need access to the terrain data you can also do this directly via the following code fragment. </p><div class="fragment"><div class="line"> scene:
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