diff options
Diffstat (limited to 'examples/Demo/CDemo.cpp')
| -rw-r--r-- | examples/Demo/CDemo.cpp | 831 |
1 files changed, 831 insertions, 0 deletions
diff --git a/examples/Demo/CDemo.cpp b/examples/Demo/CDemo.cpp new file mode 100644 index 0000000..49dd7b6 --- /dev/null +++ b/examples/Demo/CDemo.cpp @@ -0,0 +1,831 @@ +// This is a Demo of the Irrlicht Engine (c) 2005-2009 by N.Gebhardt.
+// This file is not documented.
+
+#include "CDemo.h"
+#include "exampleHelper.h"
+
+CDemo::CDemo(bool f, bool m, bool s, bool a, bool v, bool fsaa, video::E_DRIVER_TYPE d)
+: fullscreen(f), music(m), shadows(s), additive(a), vsync(v), aa(fsaa),
+ driverType(d), device(0),
+#ifdef USE_IRRKLANG
+ irrKlang(0), ballSound(0), impactSound(0),
+#endif
+#ifdef USE_SDL_MIXER
+ stream(0), ballSound(0), impactSound(0),
+#endif
+ currentScene(-2), backColor(0), statusText(0), inOutFader(0),
+ quakeLevelMesh(0), quakeLevelNode(0), skyboxNode(0), model1(0), model2(0),
+ campFire(0), metaSelector(0), mapSelector(0), sceneStartTime(0),
+ timeForThisScene(0)
+{
+}
+
+
+CDemo::~CDemo()
+{
+ if (mapSelector)
+ mapSelector->drop();
+
+ if (metaSelector)
+ metaSelector->drop();
+
+#ifdef USE_IRRKLANG
+ if (irrKlang)
+ irrKlang->drop();
+#endif
+}
+
+
+void CDemo::run()
+{
+ core::dimension2d<u32> resolution (800, 600);
+
+ if ( driverType == video::EDT_BURNINGSVIDEO || driverType == video::EDT_SOFTWARE )
+ {
+ resolution.Width = 640;
+ resolution.Height = 480;
+ }
+
+ irr::SIrrlichtCreationParameters params;
+ params.DriverType=driverType;
+ params.WindowSize=resolution;
+ params.Bits=32;
+ params.Fullscreen=fullscreen;
+ params.Stencilbuffer=shadows;
+ params.Vsync=vsync;
+ params.AntiAlias=aa?8:0;
+ params.EventReceiver=this;
+
+ device = createDeviceEx(params);
+ if (!device)
+ return;
+
+ const io::path mediaPath = getExampleMediaPath();
+
+ if (device->getFileSystem()->existFile("irrlicht.dat"))
+ device->getFileSystem()->addFileArchive("irrlicht.dat");
+ else
+ device->getFileSystem()->addFileArchive(mediaPath + "irrlicht.dat");
+ if (device->getFileSystem()->existFile("map-20kdm2.pk3"))
+ device->getFileSystem()->addFileArchive("map-20kdm2.pk3");
+ else
+ device->getFileSystem()->addFileArchive(mediaPath + "map-20kdm2.pk3");
+
+ video::IVideoDriver* driver = device->getVideoDriver();
+ scene::ISceneManager* smgr = device->getSceneManager();
+ gui::IGUIEnvironment* guienv = device->getGUIEnvironment();
+
+ device->setWindowCaption(L"Irrlicht Engine Demo");
+
+ // set ambient light
+ smgr->setAmbientLight ( video::SColorf ( 0x00c0c0c0 ) );
+
+ wchar_t tmp[255];
+
+ // draw everything
+
+ s32 now = 0;
+ s32 lastfps = 0;
+ sceneStartTime = device->getTimer()->getTime();
+ while(device->run() && driver)
+ {
+ if (device->isWindowActive())
+ {
+ #ifdef USE_IRRKLANG
+ // update 3D position for sound engine
+ scene::ICameraSceneNode* cam = smgr->getActiveCamera();
+ if (cam && irrKlang)
+ irrKlang->setListenerPosition(cam->getAbsolutePosition(), cam->getTarget());
+ #endif
+
+ // load next scene if necessary
+ now = device->getTimer()->getTime();
+ if (now - sceneStartTime > timeForThisScene && timeForThisScene!=-1)
+ switchToNextScene();
+
+ createParticleImpacts();
+
+ u16 clearFlag = video::ECBF_DEPTH;
+
+ if (timeForThisScene != -1)
+ clearFlag |= video::ECBF_COLOR;
+
+ driver->beginScene(clearFlag, backColor);
+
+ smgr->drawAll();
+ guienv->drawAll();
+ driver->endScene();
+
+ // write statistics
+ const s32 nowfps = driver->getFPS();
+
+ swprintf_irr(tmp, 255, L"%ls fps:%3d triangles:%0.3f mio/s",
+ driver->getName(), driver->getFPS(),
+ driver->getPrimitiveCountDrawn(1) * (1.f / 1000000.f));
+
+ statusText->setText(tmp);
+ if ( nowfps != lastfps )
+ {
+ device->setWindowCaption(tmp);
+ lastfps = nowfps;
+ }
+ }
+ }
+
+ device->drop();
+}
+
+
+bool CDemo::OnEvent(const SEvent& event)
+{
+ if (!device)
+ return false;
+
+ if (event.EventType == EET_KEY_INPUT_EVENT &&
+ event.KeyInput.Key == KEY_ESCAPE &&
+ event.KeyInput.PressedDown == false)
+ {
+ // user wants to quit.
+ if (currentScene < 3)
+ timeForThisScene = 0;
+ else
+ device->closeDevice();
+ }
+ else
+ if (((event.EventType == EET_KEY_INPUT_EVENT &&
+ event.KeyInput.Key == KEY_SPACE &&
+ event.KeyInput.PressedDown == false) ||
+ (event.EventType == EET_MOUSE_INPUT_EVENT &&
+ event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)) &&
+ currentScene == 3)
+ {
+ // shoot
+ shoot();
+ }
+ else
+ if (event.EventType == EET_KEY_INPUT_EVENT &&
+ event.KeyInput.Key == KEY_F9 &&
+ event.KeyInput.PressedDown == false)
+ {
+ video::IImage* image = device->getVideoDriver()->createScreenShot();
+ if (image)
+ {
+ device->getVideoDriver()->writeImageToFile(image, "screenshot.bmp");
+ device->getVideoDriver()->writeImageToFile(image, "screenshot.png");
+ device->getVideoDriver()->writeImageToFile(image, "screenshot.tga");
+ device->getVideoDriver()->writeImageToFile(image, "screenshot.ppm");
+ device->getVideoDriver()->writeImageToFile(image, "screenshot.jpg");
+ device->getVideoDriver()->writeImageToFile(image, "screenshot.pcx");
+ image->drop();
+ }
+ }
+ else
+ if (device->getSceneManager()->getActiveCamera())
+ {
+ device->getSceneManager()->getActiveCamera()->OnEvent(event);
+ return true;
+ }
+
+ return false;
+}
+
+
+void CDemo::switchToNextScene()
+{
+ currentScene++;
+ if (currentScene > 3)
+ currentScene = 1;
+
+ scene::ISceneManager* sm = device->getSceneManager();
+ scene::ISceneNodeAnimator* sa = 0;
+ scene::ICameraSceneNode* camera = 0;
+
+ camera = sm->getActiveCamera();
+ if (camera)
+ {
+ sm->setActiveCamera(0);
+ camera->remove();
+ camera = 0;
+ }
+
+ switch(currentScene)
+ {
+ case -1: // loading screen
+ timeForThisScene = 0;
+ createLoadingScreen();
+ break;
+
+ case 0: // load scene
+ timeForThisScene = 0;
+ loadSceneData();
+ break;
+
+ case 1: // panorama camera
+ {
+ currentScene += 1;
+ //camera = sm->addCameraSceneNode(0, core::vector3df(0,0,0), core::vector3df(-586,708,52));
+ //camera->setTarget(core::vector3df(0,400,0));
+
+ core::array<core::vector3df> points;
+
+ points.push_back(core::vector3df(-931.473755f, 138.300003f, 987.279114f)); // -49873
+ points.push_back(core::vector3df(-847.902222f, 136.757553f, 915.792725f)); // -50559
+ points.push_back(core::vector3df(-748.680420f, 152.254501f, 826.418945f)); // -51964
+ points.push_back(core::vector3df(-708.428406f, 213.569580f, 784.466675f)); // -53251
+ points.push_back(core::vector3df(-686.217651f, 288.141174f, 762.965576f)); // -54015
+ points.push_back(core::vector3df(-679.685059f, 365.095612f, 756.551453f)); // -54733
+ points.push_back(core::vector3df(-671.317871f, 447.360107f, 749.394592f)); // -55588
+ points.push_back(core::vector3df(-669.468445f, 583.335632f, 747.711853f)); // -56178
+ points.push_back(core::vector3df(-667.611267f, 727.313232f, 746.018250f)); // -56757
+ points.push_back(core::vector3df(-665.853210f, 862.791931f, 744.436096f)); // -57859
+ points.push_back(core::vector3df(-642.649597f, 1026.047607f, 724.259827f)); // -59705
+ points.push_back(core::vector3df(-517.793884f, 838.396790f, 490.326050f)); // -60983
+ points.push_back(core::vector3df(-474.387299f, 715.691467f, 344.639984f)); // -61629
+ points.push_back(core::vector3df(-444.600250f, 601.155701f, 180.938095f)); // -62319
+ points.push_back(core::vector3df(-414.808899f, 479.691406f, 4.866660f)); // -63048
+ points.push_back(core::vector3df(-410.418945f, 429.642242f, -134.332687f)); // -63757
+ points.push_back(core::vector3df(-399.837585f, 411.498383f, -349.350983f)); // -64418
+ points.push_back(core::vector3df(-390.756653f, 403.970093f, -524.454407f)); // -65005
+ points.push_back(core::vector3df(-334.864227f, 350.065491f, -732.397400f)); // -65701
+ points.push_back(core::vector3df(-195.253387f, 349.577209f, -812.475891f)); // -66335
+ points.push_back(core::vector3df(16.255573f, 363.743134f, -833.800415f)); // -67170
+ points.push_back(core::vector3df(234.940964f, 352.957825f, -820.150696f)); // -67939
+ points.push_back(core::vector3df(436.797668f, 349.236450f, -816.914185f)); // -68596
+ points.push_back(core::vector3df(575.236206f, 356.244812f, -719.788513f)); // -69166
+ points.push_back(core::vector3df(594.131042f, 387.173828f, -609.675598f)); // -69744
+ points.push_back(core::vector3df(617.615234f, 412.002899f, -326.174072f)); // -70640
+ points.push_back(core::vector3df(606.456848f, 403.221954f, -104.179291f)); // -71390
+ points.push_back(core::vector3df(610.958252f, 407.037750f, 117.209778f)); // -72085
+ points.push_back(core::vector3df(597.956909f, 395.167877f, 345.942200f)); // -72817
+ points.push_back(core::vector3df(587.383118f, 391.444519f, 566.098633f)); // -73477
+ points.push_back(core::vector3df(559.572449f, 371.991333f, 777.689453f)); // -74124
+ points.push_back(core::vector3df(423.753204f, 329.990051f, 925.859741f)); // -74941
+ points.push_back(core::vector3df(247.520050f, 252.818954f, 935.311829f)); // -75651
+ points.push_back(core::vector3df(114.756012f, 199.799759f, 805.014160f));
+ points.push_back(core::vector3df(96.783348f, 181.639481f, 648.188110f));
+ points.push_back(core::vector3df(97.865623f, 138.905975f, 484.812561f));
+ points.push_back(core::vector3df(99.612457f, 102.463669f, 347.603210f));
+ points.push_back(core::vector3df(99.612457f, 102.463669f, 347.603210f));
+ points.push_back(core::vector3df(99.612457f, 102.463669f, 347.603210f));
+
+ timeForThisScene = (points.size()-3)* 1000;
+
+ camera = sm->addCameraSceneNode(0, points[0], core::vector3df(0 ,400,0));
+ //camera->setTarget(core::vector3df(0,400,0));
+
+ sa = sm->createFollowSplineAnimator(device->getTimer()->getTime(),
+ points);
+ camera->addAnimator(sa);
+ sa->drop();
+
+ model1->setVisible(false);
+ model2->setVisible(false);
+ campFire->setVisible(false);
+ inOutFader->fadeIn(7000);
+ }
+ break;
+
+ case 2: // down fly anim camera
+ camera = sm->addCameraSceneNode(0, core::vector3df(100,40,-80), core::vector3df(844,670,-885));
+ sa = sm->createFlyStraightAnimator(core::vector3df(94, 1002, 127),
+ core::vector3df(108, 15, -60), 10000, true);
+ camera->addAnimator(sa);
+ timeForThisScene = 9900;
+ model1->setVisible(true);
+ model2->setVisible(false);
+ campFire->setVisible(false);
+ sa->drop();
+ break;
+
+ case 3: // interactive, go around
+ {
+ model1->setVisible(true);
+ model2->setVisible(true);
+ campFire->setVisible(true);
+ timeForThisScene = -1;
+
+ core::array<SKeyMap> keyMap(11);
+
+ keyMap.push_back( SKeyMap(EKA_MOVE_FORWARD, KEY_UP) );
+ keyMap.push_back( SKeyMap(EKA_MOVE_FORWARD, KEY_KEY_W) );
+
+ keyMap.push_back( SKeyMap(EKA_MOVE_BACKWARD, KEY_DOWN) );
+ keyMap.push_back( SKeyMap(EKA_MOVE_BACKWARD, KEY_KEY_S) );
+
+ keyMap.push_back( SKeyMap(EKA_STRAFE_LEFT, KEY_LEFT) );
+ keyMap.push_back( SKeyMap(EKA_STRAFE_LEFT, KEY_KEY_A) );
+
+ keyMap.push_back( SKeyMap(EKA_STRAFE_RIGHT, KEY_RIGHT) );
+ keyMap.push_back( SKeyMap(EKA_STRAFE_RIGHT, KEY_KEY_D) );
+
+ keyMap.push_back( SKeyMap(EKA_JUMP_UP, KEY_KEY_J) );
+
+ keyMap.push_back( SKeyMap(EKA_ROTATE_LEFT, KEY_KEY_Q) );
+
+ keyMap.push_back( SKeyMap(EKA_ROTATE_RIGHT, KEY_KEY_E) );
+
+ camera = sm->addCameraSceneNodeFPS(0, 100.0f, .4f, -1, keyMap.pointer(), keyMap.size(), false, 300.f);
+ camera->setPosition(core::vector3df(108,140,-140));
+ camera->setFarValue(5000.0f);
+
+ scene::ISceneNodeAnimatorCollisionResponse* collider =
+ sm->createCollisionResponseAnimator(
+ metaSelector, camera, core::vector3df(25,50,25),
+ core::vector3df(0, quakeLevelMesh ? -1000.f : 0.0f,0),
+ core::vector3df(0,45,0), 0.005f);
+
+ camera->addAnimator(collider);
+ collider->drop();
+ }
+ break;
+ }
+
+ sceneStartTime = device->getTimer()->getTime();
+}
+
+
+void CDemo::loadSceneData()
+{
+ // load quake level
+
+ video::IVideoDriver* driver = device->getVideoDriver();
+ scene::ISceneManager* sm = device->getSceneManager();
+
+ // Quake3 Shader controls Z-Writing
+ sm->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
+
+ quakeLevelMesh = (scene::IQ3LevelMesh*) sm->getMesh("maps/20kdm2.bsp");
+
+ if (quakeLevelMesh)
+ {
+ u32 i;
+
+ //move all quake level meshes (non-realtime)
+ core::matrix4 m;
+ m.setTranslation(core::vector3df(-1300,-70,-1249));
+
+ for ( i = 0; i != scene::quake3::E_Q3_MESH_SIZE; ++i )
+ sm->getMeshManipulator()->transform(quakeLevelMesh->getMesh(i), m);
+
+ quakeLevelNode = sm->addOctreeSceneNode(
+ quakeLevelMesh->getMesh( scene::quake3::E_Q3_MESH_GEOMETRY));
+ if (quakeLevelNode)
+ {
+ //quakeLevelNode->setPosition(core::vector3df(-1300,-70,-1249));
+ quakeLevelNode->setVisible(true);
+
+ // create map triangle selector
+ mapSelector = sm->createOctreeTriangleSelector(quakeLevelMesh->getMesh(0),
+ quakeLevelNode, 128);
+
+ // if not using shader and no gamma it's better to use more lighting, because
+ // quake3 level are usually dark
+ quakeLevelNode->setMaterialType ( video::EMT_LIGHTMAP_M4 );
+
+ // set additive blending if wanted
+ if (additive)
+ quakeLevelNode->setMaterialType(video::EMT_LIGHTMAP_ADD);
+ }
+
+ // the additional mesh can be quite huge and is unoptimized
+ scene::IMesh * additional_mesh = quakeLevelMesh->getMesh ( scene::quake3::E_Q3_MESH_ITEMS );
+
+ for ( i = 0; i!= additional_mesh->getMeshBufferCount (); ++i )
+ {
+ scene::IMeshBuffer *meshBuffer = additional_mesh->getMeshBuffer ( i );
+ const video::SMaterial &material = meshBuffer->getMaterial();
+
+ //! The ShaderIndex is stored in the material parameter
+ s32 shaderIndex = (s32) material.MaterialTypeParam2;
+
+ // the meshbuffer can be rendered without additional support, or it has no shader
+ const scene::quake3::IShader *shader = quakeLevelMesh->getShader ( shaderIndex );
+ if ( 0 == shader )
+ {
+ continue;
+ }
+ // Now add the MeshBuffer(s) with the current Shader to the Manager
+ sm->addQuake3SceneNode ( meshBuffer, shader );
+ }
+ }
+
+ const io::path mediaPath = getExampleMediaPath();
+
+ // load sydney model and create 2 instances
+
+ scene::IAnimatedMesh* mesh = 0;
+ mesh = sm->getMesh(mediaPath + "sydney.md2");
+ if (mesh)
+ {
+ model1 = sm->addAnimatedMeshSceneNode(mesh);
+ if (model1)
+ {
+ model1->setMaterialTexture(0, driver->getTexture(mediaPath + "spheremap.jpg"));
+ model1->setPosition(core::vector3df(100,40,-80));
+ model1->setScale(core::vector3df(2,2,2));
+ model1->setMD2Animation(scene::EMAT_STAND);
+ model1->setMaterialFlag(video::EMF_LIGHTING, false);
+ model1->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
+ model1->setMaterialType(video::EMT_SPHERE_MAP);
+ model1->setAutomaticCulling(scene::EAC_OFF); // avoid shadows not updating
+ scene::IShadowVolumeSceneNode * shadVol = model1->addShadowVolumeSceneNode();
+ shadVol->setOptimization(scene::ESV_NONE); // Sydney has broken shadows otherwise
+ }
+
+ model2 = sm->addAnimatedMeshSceneNode(mesh);
+ if (model2)
+ {
+ model2->setPosition(core::vector3df(180,15,-60));
+ model2->setScale(core::vector3df(2,2,2));
+ model2->setMD2Animation(scene::EMAT_RUN);
+ model2->setMaterialTexture(0, device->getVideoDriver()->getTexture(mediaPath + "sydney.bmp"));
+ model2->setMaterialFlag(video::EMF_LIGHTING, true);
+ model2->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
+ model2->setAutomaticCulling(scene::EAC_OFF); // avoid shadows not updating
+ scene::IShadowVolumeSceneNode * shadVol = model2->addShadowVolumeSceneNode();
+ shadVol->setOptimization(scene::ESV_NONE); // Sydney has broken shadows otherwise
+ }
+ }
+
+ scene::ISceneNodeAnimator* anim = 0;
+
+ // create sky box
+ driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
+ skyboxNode = sm->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"));
+ driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, true);
+
+ // create walk-between-portals animation
+
+ core::vector3df waypoint[2];
+ waypoint[0].set(-150,40,100);
+ waypoint[1].set(350,40,100);
+
+ if (model2)
+ {
+ anim = device->getSceneManager()->createFlyStraightAnimator(
+ waypoint[0], waypoint[1], 2000, true);
+ model2->addAnimator(anim);
+ anim->drop();
+ }
+
+ // create animation for portals;
+
+ core::array<video::ITexture*> textures;
+ for (s32 g=1; g<8; ++g)
+ {
+ core::stringc tmp(mediaPath + "portal");
+ tmp += g;
+ tmp += ".bmp";
+ video::ITexture* t = driver->getTexture( tmp );
+ textures.push_back(t);
+ }
+
+ anim = sm->createTextureAnimator(textures, 100);
+
+ // create portals
+
+ scene::IBillboardSceneNode* bill = 0;
+
+ for (int r=0; r<2; ++r)
+ {
+ bill = sm->addBillboardSceneNode(0, core::dimension2d<f32>(100,100),
+ waypoint[r]+ core::vector3df(0,20,0));
+ bill->setMaterialFlag(video::EMF_LIGHTING, false);
+ bill->setMaterialTexture(0, driver->getTexture(mediaPath + "portal1.bmp"));
+ bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+ bill->addAnimator(anim);
+ }
+
+ anim->drop();
+
+ // create cirlce flying dynamic light with transparent billboard attached
+
+ scene::ILightSceneNode* light = 0;
+
+ light = sm->addLightSceneNode(0,
+ core::vector3df(0,0,0), video::SColorf(1.0f, 1.0f, 1.f, 1.0f), 500.f);
+
+ anim = sm->createFlyCircleAnimator(
+ core::vector3df(100,150,80), 80.0f, 0.0005f);
+
+ light->addAnimator(anim);
+ anim->drop();
+
+ bill = device->getSceneManager()->addBillboardSceneNode(
+ light, core::dimension2d<f32>(40,40));
+ bill->setMaterialFlag(video::EMF_LIGHTING, false);
+ bill->setMaterialTexture(0, driver->getTexture(mediaPath + "particlewhite.bmp"));
+ bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+
+ // create meta triangle selector with all triangles selectors in it.
+ metaSelector = sm->createMetaTriangleSelector();
+ metaSelector->addTriangleSelector(mapSelector);
+
+ // create camp fire
+
+ campFire = sm->addParticleSystemSceneNode(false);
+ campFire->setPosition(core::vector3df(100,120,600));
+ campFire->setScale(core::vector3df(2,2,2));
+
+ scene::IParticleEmitter* em = campFire->createBoxEmitter(
+ core::aabbox3d<f32>(-7,0,-7,7,1,7),
+ core::vector3df(0.0f,0.06f,0.0f),
+ 80,100, video::SColor(1,255,255,255),video::SColor(1,255,255,255), 800,2000);
+
+ em->setMinStartSize(core::dimension2d<f32>(20.0f, 10.0f));
+ em->setMaxStartSize(core::dimension2d<f32>(20.0f, 10.0f));
+ campFire->setEmitter(em);
+ em->drop();
+
+ scene::IParticleAffector* paf = campFire->createFadeOutParticleAffector();
+ campFire->addAffector(paf);
+ paf->drop();
+
+ campFire->setMaterialFlag(video::EMF_LIGHTING, false);
+ campFire->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
+ campFire->setMaterialTexture(0, driver->getTexture(mediaPath + "fireball.bmp"));
+ campFire->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+
+ // load music
+
+ #ifdef USE_IRRKLANG
+ if (music)
+ startIrrKlang();
+ #endif
+ #ifdef USE_SDL_MIXER
+ if (music)
+ startSound();
+ #endif
+}
+
+
+void CDemo::createLoadingScreen()
+{
+ core::dimension2d<u32> size = device->getVideoDriver()->getScreenSize();
+
+ device->getCursorControl()->setVisible(false);
+
+ // setup loading screen
+
+ backColor.set(255,90,90,156);
+
+ // create in fader
+
+ inOutFader = device->getGUIEnvironment()->addInOutFader();
+ inOutFader->setColor(backColor, video::SColor ( 0, 230, 230, 230 ));
+
+ const io::path mediaPath = getExampleMediaPath();
+
+ // irrlicht logo
+ device->getGUIEnvironment()->addImage(device->getVideoDriver()->getTexture(mediaPath + "irrlichtlogo2.png"),
+ core::position2d<s32>(5,5));
+
+ // loading text
+
+ const int lwidth = size.Width - 20;
+ const int lheight = 16;
+
+ core::rect<int> pos(10, size.Height-lheight-10, 10+lwidth, size.Height-10);
+
+ device->getGUIEnvironment()->addImage(pos);
+ statusText = device->getGUIEnvironment()->addStaticText(L"Loading...", pos, true);
+ statusText->setOverrideColor(video::SColor(255,205,200,200));
+
+ // load bigger font
+
+ device->getGUIEnvironment()->getSkin()->setFont(
+ device->getGUIEnvironment()->getFont(mediaPath + "fonthaettenschweiler.bmp"));
+
+ // set new font color
+
+ device->getGUIEnvironment()->getSkin()->setColor(gui::EGDC_BUTTON_TEXT,
+ video::SColor(255,100,100,100));
+}
+
+
+void CDemo::shoot()
+{
+ scene::ISceneManager* sm = device->getSceneManager();
+ scene::ICameraSceneNode* camera = sm->getActiveCamera();
+
+ if (!camera || !mapSelector)
+ return;
+
+ SParticleImpact imp;
+ imp.when = 0;
+
+ // get line of camera
+
+ core::vector3df start = camera->getPosition();
+ core::vector3df end = (camera->getTarget() - start);
+ end.normalize();
+ start += end*8.0f;
+ end = start + (end * camera->getFarValue());
+
+ core::triangle3df triangle;
+
+ core::line3d<f32> line(start, end);
+
+ // get intersection point with map
+ scene::ISceneNode* hitNode;
+ if (sm->getSceneCollisionManager()->getCollisionPoint(
+ line, mapSelector, end, triangle, hitNode))
+ {
+ // collides with wall
+ core::vector3df out = triangle.getNormal();
+ out.setLength(0.03f);
+
+ imp.when = 1;
+ imp.outVector = out;
+ imp.pos = end;
+ }
+ else
+ {
+ // doesnt collide with wall
+ core::vector3df start = camera->getPosition();
+ core::vector3df end = (camera->getTarget() - start);
+ end.normalize();
+ start += end*8.0f;
+ end = start + (end * camera->getFarValue());
+ }
+
+ // create fire ball
+ scene::ISceneNode* node = 0;
+ node = sm->addBillboardSceneNode(0,
+ core::dimension2d<f32>(25,25), start);
+
+ node->setMaterialFlag(video::EMF_LIGHTING, false);
+ node->setMaterialTexture(0, device->getVideoDriver()->getTexture(getExampleMediaPath() + "fireball.bmp"));
+ node->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+
+ f32 length = (f32)(end - start).getLength();
+ const f32 speed = 0.6f;
+ u32 time = (u32)(length / speed);
+
+ scene::ISceneNodeAnimator* anim = 0;
+
+ // set flight line
+
+ anim = sm->createFlyStraightAnimator(start, end, time);
+ node->addAnimator(anim);
+ anim->drop();
+
+ anim = sm->createDeleteAnimator(time);
+ node->addAnimator(anim);
+ anim->drop();
+
+ if (imp.when)
+ {
+ // create impact note
+ imp.when = device->getTimer()->getTime() + (time - 100);
+ Impacts.push_back(imp);
+ }
+
+ // play sound
+ #ifdef USE_IRRKLANG
+ if (ballSound)
+ irrKlang->play2D(ballSound);
+ #endif
+ #ifdef USE_SDL_MIXER
+ if (ballSound)
+ playSound(ballSound);
+ #endif
+}
+
+
+void CDemo::createParticleImpacts()
+{
+ u32 now = device->getTimer()->getTime();
+ scene::ISceneManager* sm = device->getSceneManager();
+
+ for (s32 i=0; i<(s32)Impacts.size(); ++i)
+ if (now > Impacts[i].when)
+ {
+ // create smoke particle system
+ scene::IParticleSystemSceneNode* pas = 0;
+
+ pas = sm->addParticleSystemSceneNode(false, 0, -1, Impacts[i].pos);
+
+ pas->setParticleSize(core::dimension2d<f32>(10.0f, 10.0f));
+
+ scene::IParticleEmitter* em = pas->createBoxEmitter(
+ core::aabbox3d<f32>(-5,-5,-5,5,5,5),
+ Impacts[i].outVector, 20,40, video::SColor(50,255,255,255),video::SColor(50,255,255,255),
+ 1200,1600, 20);
+
+ pas->setEmitter(em);
+ em->drop();
+
+ scene::IParticleAffector* paf = campFire->createFadeOutParticleAffector();
+ pas->addAffector(paf);
+ paf->drop();
+
+ pas->setMaterialFlag(video::EMF_LIGHTING, false);
+ pas->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
+ pas->setMaterialTexture(0, device->getVideoDriver()->getTexture(getExampleMediaPath() + "smoke.bmp"));
+ pas->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+
+ scene::ISceneNodeAnimator* anim = sm->createDeleteAnimator(2000);
+ pas->addAnimator(anim);
+ anim->drop();
+
+ // play impact sound
+ #ifdef USE_IRRKLANG
+ if (irrKlang)
+ {
+ irrklang::ISound* sound =
+ irrKlang->play3D(impactSound, Impacts[i].pos, false, false, true);
+
+ if (sound)
+ {
+ // adjust max value a bit to make to sound of an impact louder
+ sound->setMinDistance(400);
+ sound->drop();
+ }
+ }
+ #endif
+
+ #ifdef USE_SDL_MIXER
+ if (impactSound)
+ playSound(impactSound);
+ #endif
+
+ // delete entry
+ Impacts.erase(i);
+ i--;
+ }
+}
+
+
+#ifdef USE_IRRKLANG
+void CDemo::startIrrKlang()
+{
+ irrKlang = irrklang::createIrrKlangDevice();
+
+ if (!irrKlang)
+ return;
+
+ const io::path mediaPath = getExampleMediaPath();
+
+ // play music
+
+ irrklang::ISound* snd = irrKlang->play2D((mediaPath + "IrrlichtTheme.ogg").c_str(), true, false, true);
+ if ( !snd )
+ snd = irrKlang->play2D("IrrlichtTheme.ogg", true, false, true);
+
+ if (snd)
+ {
+ snd->setVolume(0.5f); // 50% volume
+ snd->drop();
+ }
+
+ // preload both sound effects
+
+ ballSound = irrKlang->getSoundSource(mediaPath + "ball.wav");
+ impactSound = irrKlang->getSoundSource(mediaPath + "impact.wav");
+}
+#endif
+
+
+#ifdef USE_SDL_MIXER
+void CDemo::startSound()
+{
+ stream = NULL;
+ ballSound = NULL;
+ impactSound = NULL;
+
+ SDL_Init(SDL_INIT_AUDIO);
+
+ if (Mix_OpenAudio(44100, AUDIO_S16SYS, 2, 4096))
+ return;
+
+ const io::path mediaPath = getExampleMediaPath();
+
+ stream = Mix_LoadMUS((mediaPath + "IrrlichtTheme.ogg").c_str());
+ if (stream)
+ Mix_PlayMusic(stream, -1);
+
+ ballSound = Mix_LoadWAV((mediaPath + "ball.wav").c_str());
+ impactSound = Mix_LoadWAV((mediaPath + "impact.wav").c_str());
+}
+
+void CDemo::playSound(Mix_Chunk *sample)
+{
+ if (sample)
+ Mix_PlayChannel(-1, sample, 0);
+}
+
+void CDemo::pollSound(void)
+{
+ SDL_Event event;
+
+ while (SDL_PollEvent(&event))
+ ;
+}
+#endif
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