1 files changed, 510 insertions, 0 deletions

diff --git a/src/extantz/CDemo.cpp b/src/extantz/CDemo.cpp
new file mode 100644
index 0000000..0ca40f1
--- /dev/null
+++ b/src/extantz/CDemo.cpp
@@ -0,0 +1,510 @@
+// This is a Demo of the Irrlicht Engine (c) 2005-2009 by N.Gebhardt.
+// This file is not documented.
+
+#include <irrlicht.h>
+#include "extantz.h"
+#include "extantzCamera.h"
+#include "CDemo.h"
+
+
+CDemo::CDemo(GLData *gld, bool a)
+: additive(a),
+ device(gld->device),
+ currentScene(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();
+}
+
+
+void CDemo::setup(GLData *gld)
+{
+        device = gld->device;
+        IrrlichtDevice  *device = gld->device;
+//      IVideoDriver    *driver = gld->driver;
+//      ISceneManager   *smgr   = gld->smgr;
+
+        if (device->getFileSystem()->existFile("irrlicht.dat"))
+                device->getFileSystem()->addFileArchive("irrlicht.dat");
+        else
+                device->getFileSystem()->addFileArchive("media/Irrlicht/irrlicht.dat");
+        if (device->getFileSystem()->existFile("map-20kdm2.pk3"))
+                device->getFileSystem()->addFileArchive("map-20kdm2.pk3");
+        else
+                device->getFileSystem()->addFileArchive("media/Irrlicht/map-20kdm2.pk3");
+
+        sceneStartTime = device->getTimer()->getTime();
+        timeForThisScene = 0;
+        loadSceneData();
+}
+
+
+void CDemo::preDraw(GLData *gld, u32 now)
+{
+        if (((now - sceneStartTime) > timeForThisScene) && (timeForThisScene != -1))
+                switchToNextScene(gld);
+
+        createParticleImpacts();
+}
+
+
+bool CDemo::OnEvent(const SEvent& event)
+{
+        if (!device)
+                return false;
+
+        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();
+        }
+        else
+        if (device->getSceneManager()->getActiveCamera())
+        {
+                device->getSceneManager()->getActiveCamera()->OnEvent(event);
+                return true;
+        }
+
+        return false;
+}
+
+
+void CDemo::switchToNextScene(GLData *gld)
+{
+        currentScene++;
+        if (currentScene > 3)
+                currentScene = 1;
+
+        scene::ISceneManager* sm = device->getSceneManager();
+        scene::ISceneNodeAnimator* sa = 0;
+        scene::ICameraSceneNode* camera = 0;
+
+        camera = sm->getActiveCamera();
+
+        switch(currentScene)
+        {
+        case 1: // panorama camera
+                {
+                        core::array<core::vector3df> points, points2;
+
+                        points.push_back(core::vector3df(-931.473755f, 900.0f, 2000.0f)); // -49873
+                        points.push_back(core::vector3df(-931.473755f, 900.0f, 2000.0f)); // -49873
+                        points.push_back(core::vector3df(-931.473755f, 700.0f, 1750.0f)); // -49873
+                        points.push_back(core::vector3df(-931.473755f, 500.0f, 1500.0f)); // -49873
+                        points.push_back(core::vector3df(-931.473755f, 300.0f, 1250.0f)); // -49873
+                        points.push_back(core::vector3df(-931.473755f, 200.0f, 1000.0f)); // -49873
+                        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(99.0f, 95.0f, 347.0f));
+                        points.push_back(core::vector3df(99.0f, 90.0f, 347.0f));
+                        points.push_back(core::vector3df(99.0f, 85.0f, 347.0f));
+                        points.push_back(core::vector3df(99.0f, 80.0f, 347.0f));
+                        points.push_back(core::vector3df(99.0f, 75.0f, 347.0f));
+                        points.push_back(core::vector3df(99.0f, 75.0f, 347.0f));
+                        points.push_back(core::vector3df(99.0f, 75.0f, 347.0f));
+                        timeForThisScene = (points.size() - 2) * 1000;
+                        camera = sm->addCameraSceneNode(0, points[0], core::vector3df(0, 400, 0));
+                        sa = sm->createFollowSplineAnimator(device->getTimer()->getTime(), points, 1.0f, 0.6f, false, false);
+                        camera->addAnimator(sa);
+                        sa->drop();
+                }
+                break;
+
+        case 2: // panorama camera
+                {
+                        core::array<core::vector3df> points;
+
+                        camera->setTarget(core::vector3df(100, 145, -80));
+
+                        points.push_back(core::vector3df(99.0f, 75.0f, 347.0f));
+                        points.push_back(core::vector3df(100.0f, 75.0f, 347.0f));
+                        points.push_back(core::vector3df(105.0f, 75.0f, 347.0f));
+                        points.push_back(core::vector3df(110.0f, 70.0f, 347.0f));
+                        points.push_back(core::vector3df(115.0f, 70.0f, -160.0f));
+                        points.push_back(core::vector3df(120.0f, 70.0f, -160.0f));
+                        points.push_back(core::vector3df(125.0f, 65.0f, -160.0f));
+                        points.push_back(core::vector3df(130.0f, 65.0f, -160.0f));
+                        points.push_back(core::vector3df(135.0f, 65.0f, -160.0f));
+                        points.push_back(core::vector3df(150.0f, 170.0f, -160.0f));
+                        points.push_back(core::vector3df(150.0f, 170.0f, -160.0f));
+                        points.push_back(core::vector3df(150.0f, 170.0f, -160.0f));
+                        timeForThisScene = (points.size() - 2) * 1000;
+                        sa = sm->createFollowSplineAnimator(device->getTimer()->getTime(), points, 1.0f, 0.6f, false, false);
+                        camera->addAnimator(sa);
+                        sa->drop();
+                }
+                break;
+
+        case 3: // interactive, go around
+                {
+                        if (camera)
+                        {
+                            sm->setActiveCamera(0);
+                            camera->remove();
+                            camera = 0;
+                        }
+                        timeForThisScene = -1;
+
+                        gld->camera = addExtantzCamera(sm, NULL, -1);
+                        camera = gld->camera;
+                        camera->setPosition(core::vector3df(108, 140, -140));
+                        camera->setFarValue(5000.0f);
+                        gld->move = getCameraMove(gld->camera);
+
+                        scene::ISceneNodeAnimatorCollisionResponse* collider =
+                                sm->createCollisionResponseAnimator(metaSelector, camera, core::vector3df(25, 50, 25), core::vector3df(0, quakeLevelMesh ? -10.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);
+                }
+        }
+
+        // load sydney model and create 2 instances
+
+        scene::IAnimatedMesh *mesh = 0;
+        mesh = sm->getMesh("media/Irrlicht/sydney.md2");
+        if (mesh)
+        {
+                model1 = sm->addAnimatedMeshSceneNode(mesh);
+                if (model1)
+                {
+                        model1->setMaterialTexture(0, driver->getTexture("media/Irrlicht/sydney.bmp"));
+                        model1->setPosition(core::vector3df(100, 40, -80));
+                        model1->setScale(core::vector3df(2, 2, 2));
+                        model1->setMD2Animation(scene::EMAT_STAND);
+                        model1->setMaterialFlag(video::EMF_LIGHTING, true);
+                        model1->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
+                        model1->addShadowVolumeSceneNode();
+                }
+
+                model2 = sm->addAnimatedMeshSceneNode(mesh);
+                if (model2)
+                {
+                        model2->setMaterialTexture(0, driver->getTexture("media/Irrlicht/spheremap.jpg"));
+                        model2->setPosition(core::vector3df(180, 15, -60));
+                        model2->setScale(core::vector3df(2, 2, 2));
+                        model2->setMD2Animation(scene::EMAT_RUN);
+                        model2->setMaterialFlag(video::EMF_LIGHTING, false);
+                        model2->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
+                        model2->setMaterialType(video::EMT_SPHERE_MAP);
+                        model2->addShadowVolumeSceneNode();
+                }
+        }
+
+        scene::ISceneNodeAnimator *anim = 0;
+
+        // create sky box
+        driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
+        skyboxNode = sm->addSkyBoxSceneNode(
+                driver->getTexture("media/Irrlicht/irrlicht2_up.jpg"),
+                driver->getTexture("media/Irrlicht/irrlicht2_dn.jpg"),
+                driver->getTexture("media/Irrlicht/irrlicht2_lf.jpg"),
+                driver->getTexture("media/Irrlicht/irrlicht2_rt.jpg"),
+                driver->getTexture("media/Irrlicht/irrlicht2_ft.jpg"),
+                driver->getTexture("media/Irrlicht/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("media/Irrlicht/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("media/Irrlicht/portal1.bmp"));
+                bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+                bill->addAnimator(anim);
+        }
+
+        anim->drop();
+
+        // create circle 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("media/Irrlicht/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("media/Irrlicht/fireball.bmp"));
+        campFire->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+}
+
+
+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("media/Irrlicht/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);
+        }
+}
+
+
+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("media/Irrlicht/smoke.bmp"));
+                        pas->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
+
+                        scene::ISceneNodeAnimator *anim = sm->createDeleteAnimator(2000);
+                        pas->addAnimator(anim);
+                        anim->drop();
+
+                        // delete entry
+                        Impacts.erase(i);
+                        i--;
+                }
+}