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1// This is a Demo of the Irrlicht Engine (c) 2005-2009 by N.Gebhardt.
2// This file is not documented.
3
4#include "CDemo.h"
5
6CDemo::CDemo(bool f, bool m, bool s, bool a, bool v, bool fsaa, video::E_DRIVER_TYPE d)
7: fullscreen(f), music(m), shadows(s), additive(a), vsync(v), aa(fsaa),
8 driverType(d), device(0),
9#ifdef USE_IRRKLANG
10 irrKlang(0), ballSound(0), impactSound(0),
11#endif
12#ifdef USE_SDL_MIXER
13 stream(0), ballSound(0), impactSound(0),
14#endif
15 currentScene(-2), backColor(0), statusText(0), inOutFader(0),
16 quakeLevelMesh(0), quakeLevelNode(0), skyboxNode(0), model1(0), model2(0),
17 campFire(0), metaSelector(0), mapSelector(0), sceneStartTime(0),
18 timeForThisScene(0)
19{
20}
21
22
23CDemo::~CDemo()
24{
25 if (mapSelector)
26 mapSelector->drop();
27
28 if (metaSelector)
29 metaSelector->drop();
30
31#ifdef USE_IRRKLANG
32 if (irrKlang)
33 irrKlang->drop();
34#endif
35}
36
37
38void CDemo::run()
39{
40 core::dimension2d<u32> resolution ( 800, 600 );
41
42 if ( driverType == video::EDT_BURNINGSVIDEO || driverType == video::EDT_SOFTWARE )
43 {
44 resolution.Width = 640;
45 resolution.Height = 480;
46 }
47
48 irr::SIrrlichtCreationParameters params;
49 params.DriverType=driverType;
50 params.WindowSize=resolution;
51 params.Bits=32;
52 params.Fullscreen=fullscreen;
53 params.Stencilbuffer=shadows;
54 params.Vsync=vsync;
55 params.AntiAlias=aa;
56 params.EventReceiver=this;
57
58 device = createDeviceEx(params);
59 if (!device)
60 return;
61
62 if (device->getFileSystem()->existFile("irrlicht.dat"))
63 device->getFileSystem()->addFileArchive("irrlicht.dat");
64 else
65 device->getFileSystem()->addFileArchive("../../media/irrlicht.dat");
66 if (device->getFileSystem()->existFile("map-20kdm2.pk3"))
67 device->getFileSystem()->addFileArchive("map-20kdm2.pk3");
68 else
69 device->getFileSystem()->addFileArchive("../../media/map-20kdm2.pk3");
70
71 video::IVideoDriver* driver = device->getVideoDriver();
72 scene::ISceneManager* smgr = device->getSceneManager();
73 gui::IGUIEnvironment* guienv = device->getGUIEnvironment();
74
75 device->setWindowCaption(L"Irrlicht Engine Demo");
76
77 // set ambient light
78 smgr->setAmbientLight ( video::SColorf ( 0x00c0c0c0 ) );
79
80 wchar_t tmp[255];
81
82 // draw everything
83
84 s32 now = 0;
85 s32 lastfps = 0;
86 sceneStartTime = device->getTimer()->getTime();
87 while(device->run() && driver)
88 {
89 if (device->isWindowActive())
90 {
91 #ifdef USE_IRRKLANG
92 // update 3D position for sound engine
93 scene::ICameraSceneNode* cam = smgr->getActiveCamera();
94 if (cam && irrKlang)
95 irrKlang->setListenerPosition(cam->getAbsolutePosition(), cam->getTarget());
96 #endif
97
98 // load next scene if necessary
99 now = device->getTimer()->getTime();
100 if (now - sceneStartTime > timeForThisScene && timeForThisScene!=-1)
101 switchToNextScene();
102
103 createParticleImpacts();
104
105 driver->beginScene(timeForThisScene != -1, true, backColor);
106
107 smgr->drawAll();
108 guienv->drawAll();
109 driver->endScene();
110
111 // write statistics
112 const s32 nowfps = driver->getFPS();
113
114 swprintf(tmp, 255, L"%ls fps:%3d triangles:%0.3f mio/s",
115 driver->getName(), driver->getFPS(),
116 driver->getPrimitiveCountDrawn(1) * (1.f / 1000000.f));
117
118 statusText->setText(tmp);
119 if ( nowfps != lastfps )
120 {
121 device->setWindowCaption(tmp);
122 lastfps = nowfps;
123 }
124 }
125 }
126
127 device->drop();
128}
129
130
131bool CDemo::OnEvent(const SEvent& event)
132{
133 if (!device)
134 return false;
135
136 if (event.EventType == EET_KEY_INPUT_EVENT &&
137 event.KeyInput.Key == KEY_ESCAPE &&
138 event.KeyInput.PressedDown == false)
139 {
140 // user wants to quit.
141 if (currentScene < 3)
142 timeForThisScene = 0;
143 else
144 device->closeDevice();
145 }
146 else
147 if (((event.EventType == EET_KEY_INPUT_EVENT &&
148 event.KeyInput.Key == KEY_SPACE &&
149 event.KeyInput.PressedDown == false) ||
150 (event.EventType == EET_MOUSE_INPUT_EVENT &&
151 event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)) &&
152 currentScene == 3)
153 {
154 // shoot
155 shoot();
156 }
157 else
158 if (event.EventType == EET_KEY_INPUT_EVENT &&
159 event.KeyInput.Key == KEY_F9 &&
160 event.KeyInput.PressedDown == false)
161 {
162 video::IImage* image = device->getVideoDriver()->createScreenShot();
163 if (image)
164 {
165 device->getVideoDriver()->writeImageToFile(image, "screenshot.bmp");
166 device->getVideoDriver()->writeImageToFile(image, "screenshot.png");
167 device->getVideoDriver()->writeImageToFile(image, "screenshot.tga");
168 device->getVideoDriver()->writeImageToFile(image, "screenshot.ppm");
169 device->getVideoDriver()->writeImageToFile(image, "screenshot.jpg");
170 device->getVideoDriver()->writeImageToFile(image, "screenshot.pcx");
171 image->drop();
172 }
173 }
174 else
175 if (device->getSceneManager()->getActiveCamera())
176 {
177 device->getSceneManager()->getActiveCamera()->OnEvent(event);
178 return true;
179 }
180
181 return false;
182}
183
184
185void CDemo::switchToNextScene()
186{
187 currentScene++;
188 if (currentScene > 3)
189 currentScene = 1;
190
191 scene::ISceneManager* sm = device->getSceneManager();
192 scene::ISceneNodeAnimator* sa = 0;
193 scene::ICameraSceneNode* camera = 0;
194
195 camera = sm->getActiveCamera();
196 if (camera)
197 {
198 sm->setActiveCamera(0);
199 camera->remove();
200 camera = 0;
201 }
202
203 switch(currentScene)
204 {
205 case -1: // loading screen
206 timeForThisScene = 0;
207 createLoadingScreen();
208 break;
209
210 case 0: // load scene
211 timeForThisScene = 0;
212 loadSceneData();
213 break;
214
215 case 1: // panorama camera
216 {
217 currentScene += 1;
218 //camera = sm->addCameraSceneNode(0, core::vector3df(0,0,0), core::vector3df(-586,708,52));
219 //camera->setTarget(core::vector3df(0,400,0));
220
221 core::array<core::vector3df> points;
222
223 points.push_back(core::vector3df(-931.473755f, 138.300003f, 987.279114f)); // -49873
224 points.push_back(core::vector3df(-847.902222f, 136.757553f, 915.792725f)); // -50559
225 points.push_back(core::vector3df(-748.680420f, 152.254501f, 826.418945f)); // -51964
226 points.push_back(core::vector3df(-708.428406f, 213.569580f, 784.466675f)); // -53251
227 points.push_back(core::vector3df(-686.217651f, 288.141174f, 762.965576f)); // -54015
228 points.push_back(core::vector3df(-679.685059f, 365.095612f, 756.551453f)); // -54733
229 points.push_back(core::vector3df(-671.317871f, 447.360107f, 749.394592f)); // -55588
230 points.push_back(core::vector3df(-669.468445f, 583.335632f, 747.711853f)); // -56178
231 points.push_back(core::vector3df(-667.611267f, 727.313232f, 746.018250f)); // -56757
232 points.push_back(core::vector3df(-665.853210f, 862.791931f, 744.436096f)); // -57859
233 points.push_back(core::vector3df(-642.649597f, 1026.047607f, 724.259827f)); // -59705
234 points.push_back(core::vector3df(-517.793884f, 838.396790f, 490.326050f)); // -60983
235 points.push_back(core::vector3df(-474.387299f, 715.691467f, 344.639984f)); // -61629
236 points.push_back(core::vector3df(-444.600250f, 601.155701f, 180.938095f)); // -62319
237 points.push_back(core::vector3df(-414.808899f, 479.691406f, 4.866660f)); // -63048
238 points.push_back(core::vector3df(-410.418945f, 429.642242f, -134.332687f)); // -63757
239 points.push_back(core::vector3df(-399.837585f, 411.498383f, -349.350983f)); // -64418
240 points.push_back(core::vector3df(-390.756653f, 403.970093f, -524.454407f)); // -65005
241 points.push_back(core::vector3df(-334.864227f, 350.065491f, -732.397400f)); // -65701
242 points.push_back(core::vector3df(-195.253387f, 349.577209f, -812.475891f)); // -66335
243 points.push_back(core::vector3df(16.255573f, 363.743134f, -833.800415f)); // -67170
244 points.push_back(core::vector3df(234.940964f, 352.957825f, -820.150696f)); // -67939
245 points.push_back(core::vector3df(436.797668f, 349.236450f, -816.914185f)); // -68596
246 points.push_back(core::vector3df(575.236206f, 356.244812f, -719.788513f)); // -69166
247 points.push_back(core::vector3df(594.131042f, 387.173828f, -609.675598f)); // -69744
248 points.push_back(core::vector3df(617.615234f, 412.002899f, -326.174072f)); // -70640
249 points.push_back(core::vector3df(606.456848f, 403.221954f, -104.179291f)); // -71390
250 points.push_back(core::vector3df(610.958252f, 407.037750f, 117.209778f)); // -72085
251 points.push_back(core::vector3df(597.956909f, 395.167877f, 345.942200f)); // -72817
252 points.push_back(core::vector3df(587.383118f, 391.444519f, 566.098633f)); // -73477
253 points.push_back(core::vector3df(559.572449f, 371.991333f, 777.689453f)); // -74124
254 points.push_back(core::vector3df(423.753204f, 329.990051f, 925.859741f)); // -74941
255 points.push_back(core::vector3df(247.520050f, 252.818954f, 935.311829f)); // -75651
256 points.push_back(core::vector3df(114.756012f, 199.799759f, 805.014160f));
257 points.push_back(core::vector3df(96.783348f, 181.639481f, 648.188110f));
258 points.push_back(core::vector3df(97.865623f, 138.905975f, 484.812561f));
259 points.push_back(core::vector3df(99.612457f, 102.463669f, 347.603210f));
260 points.push_back(core::vector3df(99.612457f, 102.463669f, 347.603210f));
261 points.push_back(core::vector3df(99.612457f, 102.463669f, 347.603210f));
262
263 timeForThisScene = (points.size()-3)* 1000;
264
265 camera = sm->addCameraSceneNode(0, points[0], core::vector3df(0 ,400,0));
266 //camera->setTarget(core::vector3df(0,400,0));
267
268 sa = sm->createFollowSplineAnimator(device->getTimer()->getTime(),
269 points);
270 camera->addAnimator(sa);
271 sa->drop();
272
273 model1->setVisible(false);
274 model2->setVisible(false);
275 campFire->setVisible(false);
276 inOutFader->fadeIn(7000);
277 }
278 break;
279
280 case 2: // down fly anim camera
281 camera = sm->addCameraSceneNode(0, core::vector3df(100,40,-80), core::vector3df(844,670,-885));
282 sa = sm->createFlyStraightAnimator(core::vector3df(94, 1002, 127),
283 core::vector3df(108, 15, -60), 10000, true);
284 camera->addAnimator(sa);
285 timeForThisScene = 9900;
286 model1->setVisible(true);
287 model2->setVisible(false);
288 campFire->setVisible(false);
289 sa->drop();
290 break;
291
292 case 3: // interactive, go around
293 {
294 model1->setVisible(true);
295 model2->setVisible(true);
296 campFire->setVisible(true);
297 timeForThisScene = -1;
298
299 SKeyMap keyMap[9];
300 keyMap[0].Action = EKA_MOVE_FORWARD;
301 keyMap[0].KeyCode = KEY_UP;
302 keyMap[1].Action = EKA_MOVE_FORWARD;
303 keyMap[1].KeyCode = KEY_KEY_W;
304
305 keyMap[2].Action = EKA_MOVE_BACKWARD;
306 keyMap[2].KeyCode = KEY_DOWN;
307 keyMap[3].Action = EKA_MOVE_BACKWARD;
308 keyMap[3].KeyCode = KEY_KEY_S;
309
310 keyMap[4].Action = EKA_STRAFE_LEFT;
311 keyMap[4].KeyCode = KEY_LEFT;
312 keyMap[5].Action = EKA_STRAFE_LEFT;
313 keyMap[5].KeyCode = KEY_KEY_A;
314
315 keyMap[6].Action = EKA_STRAFE_RIGHT;
316 keyMap[6].KeyCode = KEY_RIGHT;
317 keyMap[7].Action = EKA_STRAFE_RIGHT;
318 keyMap[7].KeyCode = KEY_KEY_D;
319
320 keyMap[8].Action = EKA_JUMP_UP;
321 keyMap[8].KeyCode = KEY_KEY_J;
322
323 camera = sm->addCameraSceneNodeFPS(0, 100.0f, .4f, -1, keyMap, 9, false, 3.f);
324 camera->setPosition(core::vector3df(108,140,-140));
325 camera->setFarValue(5000.0f);
326
327 scene::ISceneNodeAnimatorCollisionResponse* collider =
328 sm->createCollisionResponseAnimator(
329 metaSelector, camera, core::vector3df(25,50,25),
330 core::vector3df(0, quakeLevelMesh ? -10.f : 0.0f,0),
331 core::vector3df(0,45,0), 0.005f);
332
333 camera->addAnimator(collider);
334 collider->drop();
335 }
336 break;
337 }
338
339 sceneStartTime = device->getTimer()->getTime();
340}
341
342
343void CDemo::loadSceneData()
344{
345 // load quake level
346
347 video::IVideoDriver* driver = device->getVideoDriver();
348 scene::ISceneManager* sm = device->getSceneManager();
349
350 // Quake3 Shader controls Z-Writing
351 sm->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
352
353 quakeLevelMesh = (scene::IQ3LevelMesh*) sm->getMesh("maps/20kdm2.bsp");
354
355 if (quakeLevelMesh)
356 {
357 u32 i;
358
359 //move all quake level meshes (non-realtime)
360 core::matrix4 m;
361 m.setTranslation(core::vector3df(-1300,-70,-1249));
362
363 for ( i = 0; i != scene::quake3::E_Q3_MESH_SIZE; ++i )
364 sm->getMeshManipulator()->transform(quakeLevelMesh->getMesh(i), m);
365
366 quakeLevelNode = sm->addOctreeSceneNode(
367 quakeLevelMesh->getMesh( scene::quake3::E_Q3_MESH_GEOMETRY));
368 if (quakeLevelNode)
369 {
370 //quakeLevelNode->setPosition(core::vector3df(-1300,-70,-1249));
371 quakeLevelNode->setVisible(true);
372
373 // create map triangle selector
374 mapSelector = sm->createOctreeTriangleSelector(quakeLevelMesh->getMesh(0),
375 quakeLevelNode, 128);
376
377 // if not using shader and no gamma it's better to use more lighting, because
378 // quake3 level are usually dark
379 quakeLevelNode->setMaterialType ( video::EMT_LIGHTMAP_M4 );
380
381 // set additive blending if wanted
382 if (additive)
383 quakeLevelNode->setMaterialType(video::EMT_LIGHTMAP_ADD);
384 }
385
386 // the additional mesh can be quite huge and is unoptimized
387 scene::IMesh * additional_mesh = quakeLevelMesh->getMesh ( scene::quake3::E_Q3_MESH_ITEMS );
388
389 for ( i = 0; i!= additional_mesh->getMeshBufferCount (); ++i )
390 {
391 scene::IMeshBuffer *meshBuffer = additional_mesh->getMeshBuffer ( i );
392 const video::SMaterial &material = meshBuffer->getMaterial();
393
394 //! The ShaderIndex is stored in the material parameter
395 s32 shaderIndex = (s32) material.MaterialTypeParam2;
396
397 // the meshbuffer can be rendered without additional support, or it has no shader
398 const scene::quake3::IShader *shader = quakeLevelMesh->getShader ( shaderIndex );
399 if ( 0 == shader )
400 {
401 continue;
402 }
403 // Now add the MeshBuffer(s) with the current Shader to the Manager
404 sm->addQuake3SceneNode ( meshBuffer, shader );
405 }
406 }
407
408 // load sydney model and create 2 instances
409
410 scene::IAnimatedMesh* mesh = 0;
411 mesh = sm->getMesh("../../media/sydney.md2");
412 if (mesh)
413 {
414 model1 = sm->addAnimatedMeshSceneNode(mesh);
415 if (model1)
416 {
417 model1->setMaterialTexture(0, driver->getTexture("../../media/spheremap.jpg"));
418 model1->setPosition(core::vector3df(100,40,-80));
419 model1->setScale(core::vector3df(2,2,2));
420 model1->setMD2Animation(scene::EMAT_STAND);
421 model1->setMaterialFlag(video::EMF_LIGHTING, false);
422 model1->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
423 model1->setMaterialType(video::EMT_SPHERE_MAP);
424 model1->addShadowVolumeSceneNode();
425 }
426
427 model2 = sm->addAnimatedMeshSceneNode(mesh);
428 if (model2)
429 {
430 model2->setPosition(core::vector3df(180,15,-60));
431 model2->setScale(core::vector3df(2,2,2));
432 model2->setMD2Animation(scene::EMAT_RUN);
433 model2->setMaterialTexture(0, device->getVideoDriver()->getTexture("../../media/sydney.bmp"));
434 model2->setMaterialFlag(video::EMF_LIGHTING, true);
435 model2->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
436 model2->addShadowVolumeSceneNode();
437 }
438 }
439
440 scene::ISceneNodeAnimator* anim = 0;
441
442 // create sky box
443 driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
444 skyboxNode = sm->addSkyBoxSceneNode(
445 driver->getTexture("../../media/irrlicht2_up.jpg"),
446 driver->getTexture("../../media/irrlicht2_dn.jpg"),
447 driver->getTexture("../../media/irrlicht2_lf.jpg"),
448 driver->getTexture("../../media/irrlicht2_rt.jpg"),
449 driver->getTexture("../../media/irrlicht2_ft.jpg"),
450 driver->getTexture("../../media/irrlicht2_bk.jpg"));
451 driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, true);
452
453 // create walk-between-portals animation
454
455 core::vector3df waypoint[2];
456 waypoint[0].set(-150,40,100);
457 waypoint[1].set(350,40,100);
458
459 if (model2)
460 {
461 anim = device->getSceneManager()->createFlyStraightAnimator(
462 waypoint[0], waypoint[1], 2000, true);
463 model2->addAnimator(anim);
464 anim->drop();
465 }
466
467 // create animation for portals;
468
469 core::array<video::ITexture*> textures;
470 for (s32 g=1; g<8; ++g)
471 {
472 core::stringc tmp("../../media/portal");
473 tmp += g;
474 tmp += ".bmp";
475 video::ITexture* t = driver->getTexture( tmp );
476 textures.push_back(t);
477 }
478
479 anim = sm->createTextureAnimator(textures, 100);
480
481 // create portals
482
483 scene::IBillboardSceneNode* bill = 0;
484
485 for (int r=0; r<2; ++r)
486 {
487 bill = sm->addBillboardSceneNode(0, core::dimension2d<f32>(100,100),
488 waypoint[r]+ core::vector3df(0,20,0));
489 bill->setMaterialFlag(video::EMF_LIGHTING, false);
490 bill->setMaterialTexture(0, driver->getTexture("../../media/portal1.bmp"));
491 bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
492 bill->addAnimator(anim);
493 }
494
495 anim->drop();
496
497 // create cirlce flying dynamic light with transparent billboard attached
498
499 scene::ILightSceneNode* light = 0;
500
501 light = sm->addLightSceneNode(0,
502 core::vector3df(0,0,0), video::SColorf(1.0f, 1.0f, 1.f, 1.0f), 500.f);
503
504 anim = sm->createFlyCircleAnimator(
505 core::vector3df(100,150,80), 80.0f, 0.0005f);
506
507 light->addAnimator(anim);
508 anim->drop();
509
510 bill = device->getSceneManager()->addBillboardSceneNode(
511 light, core::dimension2d<f32>(40,40));
512 bill->setMaterialFlag(video::EMF_LIGHTING, false);
513 bill->setMaterialTexture(0, driver->getTexture("../../media/particlewhite.bmp"));
514 bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
515
516 // create meta triangle selector with all triangles selectors in it.
517 metaSelector = sm->createMetaTriangleSelector();
518 metaSelector->addTriangleSelector(mapSelector);
519
520 // create camp fire
521
522 campFire = sm->addParticleSystemSceneNode(false);
523 campFire->setPosition(core::vector3df(100,120,600));
524 campFire->setScale(core::vector3df(2,2,2));
525
526 scene::IParticleEmitter* em = campFire->createBoxEmitter(
527 core::aabbox3d<f32>(-7,0,-7,7,1,7),
528 core::vector3df(0.0f,0.06f,0.0f),
529 80,100, video::SColor(1,255,255,255),video::SColor(1,255,255,255), 800,2000);
530
531 em->setMinStartSize(core::dimension2d<f32>(20.0f, 10.0f));
532 em->setMaxStartSize(core::dimension2d<f32>(20.0f, 10.0f));
533 campFire->setEmitter(em);
534 em->drop();
535
536 scene::IParticleAffector* paf = campFire->createFadeOutParticleAffector();
537 campFire->addAffector(paf);
538 paf->drop();
539
540 campFire->setMaterialFlag(video::EMF_LIGHTING, false);
541 campFire->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
542 campFire->setMaterialTexture(0, driver->getTexture("../../media/fireball.bmp"));
543 campFire->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
544
545 // load music
546
547 #ifdef USE_IRRKLANG
548 if (music)
549 startIrrKlang();
550 #endif
551 #ifdef USE_SDL_MIXER
552 if (music)
553 startSound();
554 #endif
555}
556
557
558void CDemo::createLoadingScreen()
559{
560 core::dimension2d<u32> size = device->getVideoDriver()->getScreenSize();
561
562 device->getCursorControl()->setVisible(false);
563
564 // setup loading screen
565
566 backColor.set(255,90,90,156);
567
568 // create in fader
569
570 inOutFader = device->getGUIEnvironment()->addInOutFader();
571 inOutFader->setColor(backColor, video::SColor ( 0, 230, 230, 230 ));
572
573 // irrlicht logo
574 device->getGUIEnvironment()->addImage(device->getVideoDriver()->getTexture("../../media/irrlichtlogo2.png"),
575 core::position2d<s32>(5,5));
576
577 // loading text
578
579 const int lwidth = size.Width - 20;
580 const int lheight = 16;
581
582 core::rect<int> pos(10, size.Height-lheight-10, 10+lwidth, size.Height-10);
583
584 device->getGUIEnvironment()->addImage(pos);
585 statusText = device->getGUIEnvironment()->addStaticText(L"Loading...", pos, true);
586 statusText->setOverrideColor(video::SColor(255,205,200,200));
587
588 // load bigger font
589
590 device->getGUIEnvironment()->getSkin()->setFont(
591 device->getGUIEnvironment()->getFont("../../media/fonthaettenschweiler.bmp"));
592
593 // set new font color
594
595 device->getGUIEnvironment()->getSkin()->setColor(gui::EGDC_BUTTON_TEXT,
596 video::SColor(255,100,100,100));
597}
598
599
600void CDemo::shoot()
601{
602 scene::ISceneManager* sm = device->getSceneManager();
603 scene::ICameraSceneNode* camera = sm->getActiveCamera();
604
605 if (!camera || !mapSelector)
606 return;
607
608 SParticleImpact imp;
609 imp.when = 0;
610
611 // get line of camera
612
613 core::vector3df start = camera->getPosition();
614 core::vector3df end = (camera->getTarget() - start);
615 end.normalize();
616 start += end*8.0f;
617 end = start + (end * camera->getFarValue());
618
619 core::triangle3df triangle;
620
621 core::line3d<f32> line(start, end);
622
623 // get intersection point with map
624 scene::ISceneNode* hitNode;
625 if (sm->getSceneCollisionManager()->getCollisionPoint(
626 line, mapSelector, end, triangle, hitNode))
627 {
628 // collides with wall
629 core::vector3df out = triangle.getNormal();
630 out.setLength(0.03f);
631
632 imp.when = 1;
633 imp.outVector = out;
634 imp.pos = end;
635 }
636 else
637 {
638 // doesnt collide with wall
639 core::vector3df start = camera->getPosition();
640 core::vector3df end = (camera->getTarget() - start);
641 end.normalize();
642 start += end*8.0f;
643 end = start + (end * camera->getFarValue());
644 }
645
646 // create fire ball
647 scene::ISceneNode* node = 0;
648 node = sm->addBillboardSceneNode(0,
649 core::dimension2d<f32>(25,25), start);
650
651 node->setMaterialFlag(video::EMF_LIGHTING, false);
652 node->setMaterialTexture(0, device->getVideoDriver()->getTexture("../../media/fireball.bmp"));
653 node->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
654
655 f32 length = (f32)(end - start).getLength();
656 const f32 speed = 0.6f;
657 u32 time = (u32)(length / speed);
658
659 scene::ISceneNodeAnimator* anim = 0;
660
661 // set flight line
662
663 anim = sm->createFlyStraightAnimator(start, end, time);
664 node->addAnimator(anim);
665 anim->drop();
666
667 anim = sm->createDeleteAnimator(time);
668 node->addAnimator(anim);
669 anim->drop();
670
671 if (imp.when)
672 {
673 // create impact note
674 imp.when = device->getTimer()->getTime() + (time - 100);
675 Impacts.push_back(imp);
676 }
677
678 // play sound
679 #ifdef USE_IRRKLANG
680 if (ballSound)
681 irrKlang->play2D(ballSound);
682 #endif
683 #ifdef USE_SDL_MIXER
684 if (ballSound)
685 playSound(ballSound);
686 #endif
687}
688
689
690void CDemo::createParticleImpacts()
691{
692 u32 now = device->getTimer()->getTime();
693 scene::ISceneManager* sm = device->getSceneManager();
694
695 for (s32 i=0; i<(s32)Impacts.size(); ++i)
696 if (now > Impacts[i].when)
697 {
698 // create smoke particle system
699 scene::IParticleSystemSceneNode* pas = 0;
700
701 pas = sm->addParticleSystemSceneNode(false, 0, -1, Impacts[i].pos);
702
703 pas->setParticleSize(core::dimension2d<f32>(10.0f, 10.0f));
704
705 scene::IParticleEmitter* em = pas->createBoxEmitter(
706 core::aabbox3d<f32>(-5,-5,-5,5,5,5),
707 Impacts[i].outVector, 20,40, video::SColor(50,255,255,255),video::SColor(50,255,255,255),
708 1200,1600, 20);
709
710 pas->setEmitter(em);
711 em->drop();
712
713 scene::IParticleAffector* paf = campFire->createFadeOutParticleAffector();
714 pas->addAffector(paf);
715 paf->drop();
716
717 pas->setMaterialFlag(video::EMF_LIGHTING, false);
718 pas->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
719 pas->setMaterialTexture(0, device->getVideoDriver()->getTexture("../../media/smoke.bmp"));
720 pas->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
721
722 scene::ISceneNodeAnimator* anim = sm->createDeleteAnimator(2000);
723 pas->addAnimator(anim);
724 anim->drop();
725
726 // play impact sound
727 #ifdef USE_IRRKLANG
728 if (irrKlang)
729 {
730 irrklang::ISound* sound =
731 irrKlang->play3D(impactSound, Impacts[i].pos, false, false, true);
732
733 if (sound)
734 {
735 // adjust max value a bit to make to sound of an impact louder
736 sound->setMinDistance(400);
737 sound->drop();
738 }
739 }
740 #endif
741
742 #ifdef USE_SDL_MIXER
743 if (impactSound)
744 playSound(impactSound);
745 #endif
746
747 // delete entry
748 Impacts.erase(i);
749 i--;
750 }
751}
752
753
754#ifdef USE_IRRKLANG
755void CDemo::startIrrKlang()
756{
757 irrKlang = irrklang::createIrrKlangDevice();
758
759 if (!irrKlang)
760 return;
761
762 // play music
763
764 irrklang::ISound* snd = irrKlang->play2D("../../media/IrrlichtTheme.ogg", true, false, true);
765 if ( !snd )
766 snd = irrKlang->play2D("IrrlichtTheme.ogg", true, false, true);
767
768 if (snd)
769 {
770 snd->setVolume(0.5f); // 50% volume
771 snd->drop();
772 }
773
774 // preload both sound effects
775
776 ballSound = irrKlang->getSoundSource("../../media/ball.wav");
777 impactSound = irrKlang->getSoundSource("../../media/impact.wav");
778}
779#endif
780
781
782#ifdef USE_SDL_MIXER
783void CDemo::startSound()
784{
785 stream = NULL;
786 ballSound = NULL;
787 impactSound = NULL;
788
789 SDL_Init(SDL_INIT_AUDIO);
790
791 if (Mix_OpenAudio(22050, AUDIO_S16, 2, 128))
792 return;
793
794 stream = Mix_LoadMUS("../../media/IrrlichtTheme.ogg");
795 if (stream)
796 Mix_PlayMusic(stream, -1);
797
798 ballSound = Mix_LoadWAV("../../media/ball.wav");
799 impactSound = Mix_LoadWAV("../../media/impact.wav");
800}
801
802void CDemo::playSound(Mix_Chunk *sample)
803{
804 if (sample)
805 Mix_PlayChannel(-1, sample, 0);
806}
807
808void CDemo::pollSound(void)
809{
810 SDL_Event event;
811
812 while (SDL_PollEvent(&event))
813 ;
814}
815#endif
generated by cgit v1.1 at 2024-05-15 20:13:20 +0000