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Diffstat (limited to 'examples/12.TerrainRendering/main.cpp')
| -rw-r--r-- | examples/12.TerrainRendering/main.cpp | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/examples/12.TerrainRendering/main.cpp b/examples/12.TerrainRendering/main.cpp deleted file mode 100644 index f9bc97e..0000000 --- a/examples/12.TerrainRendering/main.cpp +++ /dev/null @@ -1,287 +0,0 @@ -/** Example 012 Terrain Rendering
-
-This tutorial will briefly show how to use the terrain renderer of Irrlicht. It
-will also show the terrain renderer triangle selector to be able to do
-collision detection with terrain.
-
-Note that the Terrain Renderer in Irrlicht is based on Spintz'
-GeoMipMapSceneNode, lots of thanks go to him. DeusXL provided a new elegant
-simple solution for building larger area on small heightmaps -> terrain
-smoothing.
-
-In the beginning there is nothing special. We include the needed header files
-and create an event listener to listen if the user presses certain keys.
-*/
-#include <irrlicht.h>
-#include "driverChoice.h"
-#include "exampleHelper.h"
-
-using namespace irr;
-
-#ifdef _MSC_VER
-#pragma comment(lib, "Irrlicht.lib")
-#endif
-
-
-class MyEventReceiver : public IEventReceiver
-{
-public:
-
- MyEventReceiver(scene::ISceneNode* terrain, scene::ISceneNode* skybox, scene::ISceneNode* skydome) :
- Terrain(terrain), Skybox(skybox), Skydome(skydome), showBox(true), showDebug(false)
- {
- Skybox->setVisible(showBox);
- Skydome->setVisible(!showBox);
- }
-
- bool OnEvent(const SEvent& event)
- {
- // check if user presses the key 'W' or 'D'
- if (event.EventType == irr::EET_KEY_INPUT_EVENT && !event.KeyInput.PressedDown)
- {
- switch (event.KeyInput.Key)
- {
- case irr::KEY_KEY_W: // switch wire frame mode
- Terrain->setMaterialFlag(video::EMF_WIREFRAME,
- !Terrain->getMaterial(0).Wireframe);
- Terrain->setMaterialFlag(video::EMF_POINTCLOUD, false);
- return true;
- case irr::KEY_KEY_P: // switch point cloud mode
- Terrain->setMaterialFlag(video::EMF_POINTCLOUD,
- !Terrain->getMaterial(0).PointCloud);
- Terrain->setMaterialFlag(video::EMF_WIREFRAME, false);
- return true;
- case irr::KEY_KEY_D: // toggle detail map
- Terrain->setMaterialType(
- Terrain->getMaterial(0).MaterialType == video::EMT_SOLID ?
- video::EMT_DETAIL_MAP : video::EMT_SOLID);
- return true;
- case irr::KEY_KEY_S: // toggle skies
- showBox=!showBox;
- Skybox->setVisible(showBox);
- Skydome->setVisible(!showBox);
- return true;
- case irr::KEY_KEY_X: // toggle debug information
- showDebug=!showDebug;
- Terrain->setDebugDataVisible(showDebug?scene::EDS_BBOX_ALL:scene::EDS_OFF);
- return true;
- default:
- break;
- }
- }
-
- return false;
- }
-
-private:
- scene::ISceneNode* Terrain;
- scene::ISceneNode* Skybox;
- scene::ISceneNode* Skydome;
- bool showBox;
- bool showDebug;
-};
-
-
-/*
-The start of the main function starts like in most other example. We ask the
-user for the desired renderer and start it up. This time with the advanced
-parameter handling.
-*/
-int main()
-{
- // ask user for driver
- video::E_DRIVER_TYPE driverType=driverChoiceConsole();
- if (driverType==video::EDT_COUNT)
- return 1;
-
- // create device with full flexibility over creation parameters
- // you can add more parameters if desired, check irr::SIrrlichtCreationParameters
- irr::SIrrlichtCreationParameters params;
- params.DriverType=driverType;
- params.WindowSize=core::dimension2d<u32>(640, 480);
- IrrlichtDevice* device = createDeviceEx(params);
-
- if (device == 0)
- return 1; // could not create selected driver.
-
-
- /*
- First, we add standard stuff to the scene: A nice irrlicht engine
- logo, a small help text, a user controlled camera, and we disable
- the mouse cursor.
- */
-
- video::IVideoDriver* driver = device->getVideoDriver();
- scene::ISceneManager* smgr = device->getSceneManager();
- gui::IGUIEnvironment* env = device->getGUIEnvironment();
-
- driver->setTextureCreationFlag(video::ETCF_ALWAYS_32_BIT, true);
-
- const io::path mediaPath = getExampleMediaPath();
-
- // add irrlicht logo
- env->addImage(driver->getTexture(mediaPath + "irrlichtlogo3.png"),
- core::position2d<s32>(10,10));
-
- //set other font
- env->getSkin()->setFont(env->getFont(mediaPath + "fontlucida.png"));
-
- // add some help text (let's ignore 'P' and 'X' which are more about debugging)
- env->addStaticText(
- L"Press 'W' to change wireframe mode\nPress 'D' to toggle detail map\nPress 'S' to toggle skybox/skydome",
- core::rect<s32>(10,421,250,475), true, true, 0, -1, true);
-
- // add camera
- scene::ICameraSceneNode* camera =
- smgr->addCameraSceneNodeFPS(0,100.0f,1.2f);
-
- camera->setPosition(core::vector3df(2700*2,255*2,2600*2));
- camera->setTarget(core::vector3df(2397*2,343*2,2700*2));
- camera->setFarValue(42000.0f);
-
- // disable mouse cursor
- device->getCursorControl()->setVisible(false);
-
- /*
- Here comes the terrain renderer scene node: We add it just like any
- other scene node to the scene using
- ISceneManager::addTerrainSceneNode(). The first parameter is a
- file name to the heightmap we use. A heightmap is simply a gray scale
- texture. The terrain renderer loads it and creates the 3D terrain from
- it.
-
- To make the terrain look bigger, we change it's scale factor 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.
- */
-
- // add terrain scene node
- scene::ITerrainSceneNode* terrain = smgr->addTerrainSceneNode(
- mediaPath + "terrain-heightmap.bmp",
- 0, // parent node
- -1, // node id
- core::vector3df(0.f, 0.f, 0.f), // position
- core::vector3df(0.f, 0.f, 0.f), // rotation
- core::vector3df(40.f, 4.4f, 40.f), // scale
- video::SColor ( 255, 255, 255, 255 ), // vertexColor
- 5, // maxLOD
- scene::ETPS_17, // patchSize
- 4 // smoothFactor
- );
-
- terrain->setMaterialFlag(video::EMF_LIGHTING, false);
-
- terrain->setMaterialTexture(0,
- driver->getTexture(mediaPath + "terrain-texture.jpg"));
- terrain->setMaterialTexture(1,
- driver->getTexture(mediaPath + "detailmap3.jpg"));
-
- terrain->setMaterialType(video::EMT_DETAIL_MAP);
-
- terrain->scaleTexture(1.0f, 20.0f);
-
- /*
- 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.
- */
-
- // create triangle selector for the terrain
- scene::ITriangleSelector* selector
- = smgr->createTerrainTriangleSelector(terrain, 0);
- terrain->setTriangleSelector(selector);
-
- // create collision response animator and attach it to the camera
- scene::ISceneNodeAnimator* anim = smgr->createCollisionResponseAnimator(
- selector, camera, core::vector3df(60,100,60),
- core::vector3df(0,0,0),
- core::vector3df(0,50,0));
- selector->drop();
- camera->addAnimator(anim);
- anim->drop();
-
- /* If you need access to the terrain data you can also do this directly via the following code fragment.
- */
- scene::CDynamicMeshBuffer* buffer = new scene::CDynamicMeshBuffer(video::EVT_2TCOORDS, video::EIT_16BIT);
- terrain->getMeshBufferForLOD(*buffer, 0);
- video::S3DVertex2TCoords* data = (video::S3DVertex2TCoords*)buffer->getVertexBuffer().getData();
- // Work on data or get the IndexBuffer with a similar call.
- (void)data; // disable unused variable warnings
- buffer->drop(); // When done drop the buffer again.
-
- /*
- To make the user be able to switch between normal and wireframe mode,
- we create an instance of the event receiver from above and let Irrlicht
- know about it. In addition, we add the skybox which we already used in
- lots of Irrlicht examples and a skydome, which is shown mutually
- exclusive with the skybox by pressing 'S'.
- */
-
- // create skybox and skydome
- driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
-
- scene::ISceneNode* skybox=smgr->addSkyBoxSceneNode(
- driver->getTexture(mediaPath + "irrlicht2_up.jpg"),
- driver->getTexture(mediaPath + "irrlicht2_dn.jpg"),
- driver->getTexture(mediaPath + "irrlicht2_lf.jpg"),
- driver->getTexture(mediaPath + "irrlicht2_rt.jpg"),
- driver->getTexture(mediaPath + "irrlicht2_ft.jpg"),
- driver->getTexture(mediaPath + "irrlicht2_bk.jpg"));
- scene::ISceneNode* skydome=smgr->addSkyDomeSceneNode(driver->getTexture(mediaPath + "skydome.jpg"),16,8,0.95f,2.0f);
-
- driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, true);
-
- // create event receiver
- MyEventReceiver receiver(terrain, skybox, skydome);
- device->setEventReceiver(&receiver);
-
- /*
- That's it, draw everything.
- */
-
- int lastFPS = -1;
-
- while(device->run())
- if (device->isWindowActive())
- {
- driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(0));
-
- smgr->drawAll();
- env->drawAll();
-
- driver->endScene();
-
- // display frames per second in window title
- int fps = driver->getFPS();
- if (lastFPS != fps)
- {
- core::stringw str = L"Terrain Renderer - Irrlicht Engine [";
- str += driver->getName();
- str += "] FPS:";
- str += fps;
- // Also print terrain height of current camera position
- // We can use camera position because terrain is located at coordinate origin
- str += " Height: ";
- str += terrain->getHeight(camera->getAbsolutePosition().X,
- camera->getAbsolutePosition().Z);
-
- device->setWindowCaption(str.c_str());
- lastFPS = fps;
- }
- }
-
- device->drop();
-
- return 0;
-}
-
-/*
-Now you know how to use terrain in Irrlicht.
-**/
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