[21] | 1 | /* |
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| 2 | SimpleScenesApplication.cpp |
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| 3 | -------------------------- |
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| 4 | The main applicatin that handles switching between the |
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| 5 | different scenes in this demo, as well as any common |
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| 6 | setup and input handling. |
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| 7 | */ |
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| 8 | #include "SimpleScenesApplication.h" |
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| 9 | |
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| 10 | // The tests we can display |
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| 11 | #include "SimpleScenes_BoxStack.h" |
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| 12 | #include "SimpleScenes_Buggy.h" |
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| 13 | #include "SimpleScenes_Chain.h" |
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| 14 | #include "SimpleScenes_TriMesh.h" |
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| 15 | #include "SimpleScenes_Crash.h" |
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| 16 | #include "SimpleScenes_Joints.h" |
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| 17 | #include "SimpleScenes_Zombie.h" |
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| 18 | |
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| 19 | // Windows stuff |
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| 20 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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| 21 | #define WIN32_LEAN_AND_MEAN |
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| 22 | #include "windows.h" |
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| 23 | |
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| 24 | /* |
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| 25 | Windows entry point |
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| 26 | */ |
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| 27 | INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT nCmdShow) |
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| 28 | #else |
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| 29 | int main(int argc,char* argv[]) |
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| 30 | #endif |
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| 31 | { |
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| 32 | // Create the application and try to run it |
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| 33 | SimpleScenesApplication app; |
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| 34 | |
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| 35 | try |
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| 36 | { |
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| 37 | app.go(); |
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| 38 | } |
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| 39 | catch(Ogre::Exception& e) |
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| 40 | { |
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| 41 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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| 42 | MessageBox( 0, e.getFullDescription().c_str(), "OgreOde SimpleScenes: Exception", MB_OK | MB_ICONERROR | MB_TASKMODAL); |
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| 43 | #else |
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| 44 | std::cerr << "An exception has occured: " << e.getFullDescription().c_str() << std::endl; |
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| 45 | #endif |
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| 46 | } |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |
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| 50 | using namespace Ogre; |
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| 51 | |
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| 52 | #if !(OGRE_VERSION_MINOR < 4) |
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| 53 | using namespace OIS; |
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| 54 | #endif //OGRE_VERSION not heihort |
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| 55 | |
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| 56 | using namespace OgreOde; |
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| 57 | using namespace OgreOde_Prefab; |
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| 58 | using namespace OgreOde_Loader; |
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| 59 | |
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| 60 | /* |
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| 61 | The frame listener is informed before every frame |
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| 62 | */ |
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| 63 | bool SimpleScenesFrameListener::frameStarted(const FrameEvent& evt) |
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| 64 | { |
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| 65 | |
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| 66 | // Do the default demo input handling and keep our UI display |
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| 67 | // in sync with the other stuff (frame rate, logo, etc) |
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| 68 | bool show = mStatsOn; |
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| 69 | bool bOK = ExampleFrameListener::frameStarted(evt); |
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| 70 | if (mStatsOn != show) |
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| 71 | { |
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| 72 | Overlay* pOver = (Overlay*)OverlayManager::getSingleton().getByName("OgreOdeDemos/Overlay"); |
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| 73 | if (pOver) |
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| 74 | { |
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| 75 | if (mStatsOn) |
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| 76 | pOver->show(); |
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| 77 | else |
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| 78 | pOver->hide(); |
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| 79 | } |
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| 80 | } |
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| 81 | // Tell the demo application that it needs to handle input |
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| 82 | #if (OGRE_VERSION_MINOR < 4) |
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| 83 | _demo->frameStarted(evt,mInputDevice); |
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| 84 | #else |
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| 85 | _demo->frameStarted(evt, mKeyboard, mMouse); |
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| 86 | #endif //OGRE_VERSION not heihort |
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| 87 | |
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| 88 | // Quit or carry on according to the normal demo input |
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| 89 | return bOK; |
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| 90 | } |
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| 91 | |
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| 92 | /* |
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| 93 | The frame listener is informed after every frame |
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| 94 | */ |
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| 95 | bool SimpleScenesFrameListener::frameEnded(const FrameEvent& evt) |
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| 96 | { |
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| 97 | // Tell our demo that the frame's ended before doing default processing |
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| 98 | |
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| 99 | #if (OGRE_VERSION_MINOR < 4) |
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| 100 | _demo->frameEnded(evt,mInputDevice); |
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| 101 | #else |
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| 102 | _demo->frameEnded(evt, mKeyboard, mMouse); |
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| 103 | #endif //OGRE_VERSION not heihort |
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| 104 | return ExampleFrameListener::frameEnded(evt); |
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| 105 | } |
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| 106 | |
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| 107 | /* |
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| 108 | Create the scene from an Ogre point of view |
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| 109 | and create the common OgreOde things we'll need |
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| 110 | */ |
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| 111 | void SimpleScenesApplication::createScene(void) |
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| 112 | { |
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| 113 | MovableObject::setDefaultQueryFlags (ANY_QUERY_MASK); |
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| 114 | |
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| 115 | #ifndef _DEBUG |
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| 116 | // Set up shadowing |
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| 117 | mSceneMgr->setShadowTechnique(SHADOWTYPE_TEXTURE_MODULATIVE); |
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| 118 | mSceneMgr->setShadowColour(ColourValue(0.5, 0.5, 0.5)); |
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| 119 | mSceneMgr->setShadowFarDistance(30); |
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| 120 | |
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| 121 | if (StringUtil::startsWith(mRoot->getRenderSystem()->getName(),"direct")) |
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| 122 | mSceneMgr->setShadowTextureSettings(1024, 2); |
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| 123 | else |
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| 124 | mSceneMgr->setShadowTextureSettings(512, 2); |
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| 125 | #endif |
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| 126 | |
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| 127 | // Add some default lighting to the scene |
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| 128 | mSceneMgr->setAmbientLight(ColourValue(0.25, 0.25, 0.25)); |
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| 129 | |
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| 130 | // Create a directional light to shadow and light the bodies |
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| 131 | _spot = mSceneMgr->createLight("Spot"); |
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| 132 | _spot->setType(Light::LT_DIRECTIONAL); |
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| 133 | _spot->setDirection(-0.40824828,-0.81649655,-0.40824828); |
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| 134 | _spot->setCastShadows(true); |
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| 135 | _spot->setSpecularColour(1,1,0.8); |
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| 136 | |
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| 137 | // Give us some sky |
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| 138 | mSceneMgr->setSkyBox(true,"kk3d/DesertVII",5000,true); |
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| 139 | |
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| 140 | // Position and orient the camera |
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| 141 | mCamera->setPosition(13,4.5,0); |
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| 142 | mCamera->lookAt(0,0.5,0); |
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| 143 | mCamera->setNearClipDistance(0.5); |
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| 144 | |
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| 145 | // Create the ODE world |
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| 146 | _world = new OgreOde::World(mSceneMgr); |
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| 147 | |
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| 148 | _world->setGravity(Vector3(0,-9.80665,0)); |
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| 149 | _world->setCFM(10e-5); |
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| 150 | _world->setERP(0.8); |
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| 151 | _world->setAutoSleep(true); |
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| 152 | _world->setAutoSleepAverageSamplesCount(10); |
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| 153 | _world->setContactCorrectionVelocity(1.0); |
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| 154 | |
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| 155 | // Create something that will step the world, but don't do it automatically |
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| 156 | |
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| 157 | const int _stepper_mode_choice = 2; |
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| 158 | const int _stepper_choice = 3; |
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| 159 | const Ogre::Real time_scale = Ogre::Real(1.7); |
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| 160 | const Ogre::Real max_frame_time = Ogre::Real(1.0 / 4); |
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| 161 | const Ogre::Real frame_rate = Ogre::Real(1.0 / 60); |
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| 162 | |
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| 163 | |
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| 164 | StepHandler::StepModeType stepModeType; |
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| 165 | |
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| 166 | switch(_stepper_mode_choice) |
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| 167 | { |
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| 168 | case 0: stepModeType = StepHandler::BasicStep; break; |
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| 169 | case 1: stepModeType = StepHandler::FastStep; break; |
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| 170 | case 2: stepModeType = StepHandler::QuickStep; break; |
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| 171 | |
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| 172 | default: stepModeType = StepHandler::QuickStep; break; |
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| 173 | } |
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| 174 | |
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| 175 | switch (_stepper_choice) |
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| 176 | { |
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| 177 | case 0: |
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| 178 | _stepper = new OgreOde::StepHandler(_world, |
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| 179 | StepHandler::QuickStep, |
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| 180 | _time_step, |
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| 181 | max_frame_time, |
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| 182 | time_scale); |
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| 183 | |
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| 184 | break; |
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| 185 | case 1: |
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| 186 | _stepper = new OgreOde::ExactVariableStepHandler(_world, |
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| 187 | stepModeType, |
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| 188 | _time_step, |
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| 189 | max_frame_time, |
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| 190 | time_scale); |
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| 191 | |
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| 192 | break; |
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| 193 | case 2: |
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| 194 | _stepper = new OgreOde::ForwardFixedStepHandler(_world, |
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| 195 | stepModeType, |
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| 196 | _time_step, |
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| 197 | max_frame_time, |
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| 198 | time_scale); |
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| 199 | |
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| 200 | break; |
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| 201 | case 3: |
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| 202 | default: |
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| 203 | _stepper = new OgreOde::ForwardFixedInterpolatedStepHandler (_world, |
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| 204 | stepModeType, |
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| 205 | _time_step, |
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| 206 | frame_rate, |
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| 207 | max_frame_time, |
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| 208 | time_scale); |
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| 209 | break; |
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| 210 | } |
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| 211 | |
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| 212 | //_stepper->setAutomatic(OgreOde::StepHandler::AutoMode_PostFrame, mRoot); |
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| 213 | //_stepper->setAutomatic(OgreOde::Stepper::AutoMode_PreFrame, mRoot); |
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| 214 | |
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| 215 | Root::getSingleton().setFrameSmoothingPeriod(5.0f); |
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| 216 | //Root::getSingleton().setFrameSmoothingPeriod(0.0f); |
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| 217 | |
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| 218 | // Create a default plane to act as the ground |
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| 219 | _plane = new OgreOde::InfinitePlaneGeometry(Plane(Vector3(0,1,0),0), _world, _world->getDefaultSpace()); |
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| 220 | |
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| 221 | // Use a load of meshes to represent the floor |
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| 222 | int i = 0; |
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| 223 | StaticGeometry* s; |
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| 224 | s = mSceneMgr->createStaticGeometry("StaticFloor"); |
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| 225 | s->setRegionDimensions(Vector3(160.0, 100.0, 160.0)); |
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| 226 | // Set the region origin so the center is at 0 world |
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| 227 | s->setOrigin(Vector3::ZERO); |
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| 228 | for (Real z = -80.0;z <= 80.0;z += 20.0) |
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| 229 | { |
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| 230 | for (Real x = -80.0;x <= 80.0;x += 20.0) |
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| 231 | { |
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| 232 | String name = String("Plane_") + StringConverter::toString(i++); |
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| 233 | |
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| 234 | Entity* entity = mSceneMgr->createEntity(name, "plane.mesh"); |
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| 235 | entity->setQueryFlags (STATIC_GEOMETRY_QUERY_MASK); |
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| 236 | entity->setUserObject(_plane); |
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| 237 | entity->setCastShadows(false); |
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| 238 | s->addEntity(entity, Vector3(x,0,z)); |
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| 239 | } |
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| 240 | } |
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| 241 | s->build(); |
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| 242 | //SceneNode* mPlaneNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(name); |
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| 243 | |
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| 244 | // Load up our UI and display it |
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| 245 | Overlay* pOver = (Overlay*)OverlayManager::getSingleton().getByName("OgreOdeDemos/Overlay"); |
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| 246 | pOver->show(); |
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| 247 | |
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| 248 | // Initialise stuff |
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| 249 | _test = 0; |
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| 250 | _delay = 1.0; |
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| 251 | } |
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| 252 | |
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| 253 | /* |
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| 254 | The frame listener will notify us when a frame's |
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| 255 | about to be started, so we can update stuff |
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| 256 | */ |
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| 257 | |
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| 258 | #if (OGRE_VERSION_MINOR < 4) |
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| 259 | void SimpleScenesApplication::frameStarted(const FrameEvent& evt,InputReader* mInputDevice) |
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| 260 | #else |
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| 261 | void SimpleScenesApplication::frameStarted(const FrameEvent& evt, OIS::Keyboard* mKeyboard, OIS::Mouse* mMouse) |
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| 262 | #endif //OGRE_VERSION not heihort |
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| 263 | { |
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| 264 | // If we're looking at something then adjust the camera |
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| 265 | if (_test && _test->getLastNode()) |
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| 266 | { |
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| 267 | if (_looking) |
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| 268 | { |
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| 269 | mCamera->lookAt(_test->getLastNode()->getPosition()); |
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| 270 | |
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| 271 | if (_chasing) |
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| 272 | { |
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| 273 | // Thanks to Ahmed! |
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| 274 | const Ogre::Real followFactor = 0.1; |
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| 275 | const Ogre::Real camHeight = 5.0; |
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| 276 | const Ogre::Real camDistance = 7.0; |
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| 277 | |
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| 278 | Quaternion q = _test->getLastNode()->getOrientation(); |
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| 279 | Vector3 toCam = _test->getLastNode()->getPosition(); |
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| 280 | |
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| 281 | toCam.y += camHeight; |
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| 282 | toCam.z -= camDistance * q.zAxis().z; |
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| 283 | toCam.x -= camDistance * q.zAxis().x; |
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| 284 | |
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| 285 | mCamera->move( (toCam - mCamera->getPosition()) * followFactor ); |
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| 286 | } |
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| 287 | } |
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| 288 | } |
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| 289 | |
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| 290 | // Set the shadow distance according to how far we are from the plane that receives them |
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| 291 | mSceneMgr->setShadowFarDistance((fabs(mCamera->getPosition().y) + 1.0) * 3.0); |
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| 292 | |
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| 293 | // If we're running a test, tell it that a frame's ended |
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| 294 | if ((_test)&&(!_paused)) |
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| 295 | { |
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| 296 | #if (OGRE_VERSION_MINOR < 4) |
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| 297 | _test->frameStarted(evt.timeSinceLastFrame, mInputDevice); |
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| 298 | #else |
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| 299 | _test->frameStarted(evt.timeSinceLastFrame, mKeyboard, mMouse); |
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| 300 | #endif //OGRE_VERSION not heihort |
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| 301 | } |
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| 302 | } |
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| 303 | |
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| 304 | /* |
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| 305 | The frame listener will let us know when a frame's ended. So we |
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| 306 | can do stuff that we can't do in a frame started event |
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| 307 | e.g. delete things that we can't delete at the start of a frame, |
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| 308 | presumably because some processing has already been done, leaving |
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| 309 | things dangling, like particle systems. |
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| 310 | */ |
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| 311 | #if (OGRE_VERSION_MINOR < 4) |
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| 312 | void SimpleScenesApplication::frameEnded(const FrameEvent& evt,InputReader* myInput) |
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| 313 | #else |
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| 314 | void SimpleScenesApplication::frameEnded(const FrameEvent& evt, OIS::Keyboard* myInput, OIS::Mouse* mMouse) |
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| 315 | #endif //OGRE_VERSION not heihort |
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| 316 | { |
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| 317 | Real time = evt.timeSinceLastFrame; |
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| 318 | |
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| 319 | // If we're running a test, tell it that a frame's ended |
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| 320 | // If we're running a test, tell it that a frame's ended |
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| 321 | if ((_test)&&(!_paused)) |
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| 322 | { |
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| 323 | #if (OGRE_VERSION_MINOR < 4) |
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| 324 | _test->frameEnded(time, myInput); |
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| 325 | #else |
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| 326 | _test->frameEnded(time, myInput, mMouse); |
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| 327 | #endif //OGRE_VERSION not heihort |
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| 328 | } |
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| 329 | |
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| 330 | |
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| 331 | // Step the world and then synchronise the scene nodes with it, |
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| 332 | // we could get this to do this automatically, but we |
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| 333 | // can't be sure of what order the frame listeners will fire in |
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| 334 | if (_stepper->step(time)) |
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| 335 | { |
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| 336 | _world->synchronise(); |
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| 337 | } |
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| 338 | |
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| 339 | _delay += time; |
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| 340 | if (_delay > 1.0) |
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| 341 | { |
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| 342 | bool changed = false; |
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| 343 | |
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| 344 | // Switch the test we're displaying |
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| 345 | if (myInput->isKeyDown(KC_F1)) |
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| 346 | { |
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| 347 | delete _test; |
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| 348 | _test = new SimpleScenes_BoxStack(_world); |
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| 349 | changed = true; |
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| 350 | } |
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| 351 | else if (myInput->isKeyDown(KC_F2)) |
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| 352 | { |
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| 353 | delete _test; |
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| 354 | _test = new SimpleScenes_Chain(_world); |
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| 355 | changed = true; |
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| 356 | } |
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| 357 | else if (myInput->isKeyDown(KC_F3)) |
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| 358 | { |
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| 359 | delete _test; |
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| 360 | _test = new SimpleScenes_Buggy(_world); |
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| 361 | changed = true; |
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| 362 | } |
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| 363 | else if (myInput->isKeyDown(KC_F4)) |
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| 364 | { |
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| 365 | delete _test; |
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| 366 | _test = new SimpleScenes_TriMesh(_world); |
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| 367 | changed = true; |
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| 368 | } |
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| 369 | else if (myInput->isKeyDown(KC_F5)) |
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| 370 | { |
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| 371 | delete _test; |
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| 372 | _test = new SimpleScenes_Crash(_world); |
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| 373 | changed = true; |
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| 374 | } |
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| 375 | else if (myInput->isKeyDown(KC_F6)) |
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| 376 | { |
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| 377 | delete _test; |
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| 378 | _test = new SimpleScenes_Joints(_world); |
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| 379 | |
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| 380 | if (mCamera->getPosition().z < 10.0) |
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| 381 | { |
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| 382 | Vector3 pos = mCamera->getPosition(); |
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| 383 | mCamera->setPosition(pos.x,pos.y,10.0); |
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| 384 | mCamera->lookAt(0,0,0); |
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| 385 | } |
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| 386 | changed = true; |
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| 387 | } |
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| 388 | else if (myInput->isKeyDown(KC_F7)) |
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| 389 | { |
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| 390 | delete _test; |
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| 391 | _test = new SimpleScenes_Zombie(_world); |
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| 392 | |
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| 393 | changed = true; |
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| 394 | } |
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| 395 | |
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| 396 | // If we changed the test... |
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| 397 | if ((_test)&&(changed)) |
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| 398 | { |
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| 399 | // Register it with the stepper, so we can (for example) add forces before each step |
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| 400 | _stepper->setStepListener(_test); |
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| 401 | |
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| 402 | // Set the UI to show the test's details |
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| 403 | OverlayManager::getSingleton().getOverlayElement("OgreOdeDemos/Name")->setCaption("Name: " + _test->getName()); |
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| 404 | OverlayManager::getSingleton().getOverlayElement("OgreOdeDemos/Keys")->setCaption("Keys: " + _test->getKeys()); |
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| 405 | |
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| 406 | _delay = 0.0; |
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| 407 | } |
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| 408 | |
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| 409 | // Switch shadows |
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| 410 | if (myInput->isKeyDown(KC_SPACE)) |
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| 411 | { |
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| 412 | static Ogre::uint shadowtype = 0; |
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| 413 | shadowtype += 1; |
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| 414 | if (shadowtype > 5) |
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| 415 | shadowtype = 0; |
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| 416 | switch (shadowtype) |
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| 417 | { |
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| 418 | case 0: |
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| 419 | mSceneMgr->setShadowTechnique (SHADOWTYPE_NONE); |
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| 420 | break; |
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| 421 | case 1: |
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| 422 | mSceneMgr->setShadowTechnique(SHADOWTYPE_TEXTURE_MODULATIVE); |
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| 423 | mSceneMgr->setShadowColour(ColourValue(0.5, 0.5, 0.5)); |
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| 424 | mSceneMgr->setShadowFarDistance(30); |
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| 425 | if (StringUtil::startsWith(mRoot->getRenderSystem()->getName(),"direct")) |
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| 426 | mSceneMgr->setShadowTextureSettings(1024, 2); |
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| 427 | else |
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| 428 | mSceneMgr->setShadowTextureSettings(512, 2); |
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| 429 | break; |
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| 430 | case 2: |
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| 431 | mSceneMgr->setShadowTechnique (SHADOWTYPE_STENCIL_ADDITIVE); |
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| 432 | break; |
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| 433 | case 3: |
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| 434 | mSceneMgr->setShadowTechnique (SHADOWTYPE_STENCIL_MODULATIVE ); |
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| 435 | break; |
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| 436 | case 4: |
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| 437 | mSceneMgr->setShadowTechnique (SHADOWTYPE_TEXTURE_ADDITIVE ); |
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| 438 | mSceneMgr->setShadowColour(ColourValue(0.5, 0.5, 0.5)); |
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| 439 | mSceneMgr->setShadowFarDistance(30); |
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| 440 | if (StringUtil::startsWith(mRoot->getRenderSystem()->getName(),"direct")) |
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| 441 | mSceneMgr->setShadowTextureSettings(1024, 2); |
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| 442 | else |
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| 443 | mSceneMgr->setShadowTextureSettings(512, 2); |
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| 444 | break; |
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| 445 | default: |
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| 446 | mSceneMgr->setShadowTechnique (SHADOWTYPE_NONE); |
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| 447 | break; |
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| 448 | } |
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| 449 | _delay = 0.0; |
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| 450 | } |
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| 451 | |
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| 452 | // Look at the last object, chase it, or not |
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| 453 | if (myInput->isKeyDown(KC_M)) |
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| 454 | { |
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| 455 | if (_looking) |
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| 456 | { |
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| 457 | if (_chasing) |
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| 458 | { |
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| 459 | _looking = _chasing = false; |
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| 460 | } |
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| 461 | else |
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| 462 | { |
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| 463 | _chasing = true; |
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| 464 | } |
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| 465 | } |
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| 466 | else |
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| 467 | { |
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| 468 | _looking = true; |
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| 469 | } |
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| 470 | _delay = 0.0; |
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| 471 | } |
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| 472 | |
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| 473 | // Switch debugging objects on or off |
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| 474 | if (myInput->isKeyDown(KC_E)) |
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| 475 | { |
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| 476 | _world->setShowDebugGeometries(!_world->getShowDebugGeometries()); |
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| 477 | _delay = 0.0; |
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| 478 | } |
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| 479 | |
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| 480 | // Switch debugging Contacts on or off |
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| 481 | if (myInput->isKeyDown(KC_B)) |
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| 482 | { |
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| 483 | _world->setShowDebugContact(!_world->getShowDebugContact()); |
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| 484 | _delay = 0.5; |
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| 485 | } |
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| 486 | |
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| 487 | // Pause or Run the simulation |
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| 488 | if (myInput->isKeyDown(KC_P)) |
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| 489 | { |
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| 490 | _paused = !_paused; |
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| 491 | _delay = 0.0; |
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| 492 | |
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| 493 | _stepper->pause(_paused); |
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| 494 | |
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| 495 | const Ogre::Real timeSet = (_paused)? 0.0 : 1.0; |
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| 496 | |
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| 497 | Ogre::SceneManager::MovableObjectIterator it = |
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| 498 | mSceneMgr->getMovableObjectIterator(ParticleSystemFactory::FACTORY_TYPE_NAME); |
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| 499 | while(it.hasMoreElements()) |
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| 500 | { |
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| 501 | ParticleSystem* p = static_cast<ParticleSystem*>(it.getNext()); |
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| 502 | p->setSpeedFactor(timeSet); |
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| 503 | } |
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| 504 | } |
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| 505 | } |
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| 506 | } |
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| 507 | |
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| 508 | /* |
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| 509 | Destructor, delete stuff we created |
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| 510 | */ |
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| 511 | SimpleScenesApplication::~SimpleScenesApplication(void) |
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| 512 | { |
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| 513 | delete _test; |
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| 514 | delete _plane; |
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| 515 | delete _stepper; |
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| 516 | delete _world; |
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| 517 | } |
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