[21] | 1 | /* |
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| 2 | SimpleScenes_Buggy.h |
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| 3 | ------------------- |
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| 4 | A reimplementation of the ODE test Buggy application using |
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| 5 | the OgreOde wrapper for Ogre |
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| 6 | */ |
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| 7 | #ifndef _SIMPLESCENES_BUGGY_H_ |
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| 8 | #define _SIMPLESCENES_BUGGY_H_ |
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| 9 | |
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| 10 | #include "OgreOde_Prefab.h" |
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| 11 | |
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| 12 | //------------------------------------------------------------------------------------------------ |
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| 13 | static const String carNames[] = { |
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| 14 | "Jeep", |
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| 15 | "JeepSway", |
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| 16 | "Subaru" |
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| 17 | }; |
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| 18 | static const String carFileNames[] = { |
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| 19 | "jeep.ogreode", |
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| 20 | "jeep.ogreode", |
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| 21 | "subaru.ogreode" |
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| 22 | }; |
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| 23 | static int sSelectedCar = 1; |
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| 24 | static int maxNumCar = 3; |
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| 25 | |
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| 26 | /* |
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| 27 | Buggy test extends from the base test class |
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| 28 | */ |
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| 29 | class SimpleScenes_Buggy:public SimpleScenes |
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| 30 | { |
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| 31 | public: |
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| 32 | //------------------------------------------------------------------------------------------------ |
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| 33 | // Constructor also needs to create the scene |
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| 34 | SimpleScenes_Buggy(OgreOde::World *world) : |
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| 35 | SimpleScenes(world), |
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| 36 | vehicle(0) |
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| 37 | { |
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| 38 | // Create the vehicle from the config file |
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| 39 | changeCar(); |
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| 40 | |
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| 41 | // Move the vehicle |
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| 42 | vehicle->setPosition(Vector3(0,0.82898,0)); |
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| 43 | |
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| 44 | // Initially (i.e. in the config file) it's rear wheel drive |
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| 45 | _drive = 'R'; |
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| 46 | setInfoText(carNames[sSelectedCar] + "Rear wheel drive"); |
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| 47 | |
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| 48 | // Create a box to jump over, the visual version |
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| 49 | Entity* entity = _mgr->createEntity("Jump", "crate.mesh"); |
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| 50 | entity->setNormaliseNormals(true); |
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| 51 | entity->setCastShadows(true); |
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| 52 | |
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| 53 | SceneNode* node = _mgr->getRootSceneNode()->createChildSceneNode(entity->getName()); |
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| 54 | node->attachObject(entity); |
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| 55 | node->setPosition(Vector3(0,0.3,-5)); |
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| 56 | node->setOrientation(Quaternion(Radian(0.4),Vector3(1,0,0))); |
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| 57 | node->setScale(0.3,0.1,0.4); |
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| 58 | |
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| 59 | // Create the physical version (just static geometry, it can't move so |
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| 60 | // it doesn't need a body) and keep track of it |
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| 61 | OgreOde::EntityInformer ei(entity,Matrix4::getScale(node->getScale())); |
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| 62 | OgreOde::Geometry *geom = ei.createSingleStaticBox(_world, _space); |
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| 63 | entity->setUserObject(geom); |
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| 64 | _geoms.push_back(geom); |
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| 65 | |
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| 66 | // The car is what we'll want to look at |
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| 67 | _last_node = vehicle->getSceneNode(); |
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| 68 | } |
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| 69 | |
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| 70 | //------------------------------------------------------------------------------------------------ |
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| 71 | // Override the destructor since there's some special deleting to do |
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| 72 | virtual ~SimpleScenes_Buggy() |
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| 73 | { |
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| 74 | delete vehicle; |
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| 75 | |
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| 76 | // Destroy the jump manually since it's not associated with |
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| 77 | // any body it won't get deleted automatically |
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| 78 | _mgr->destroySceneNode("Jump"); |
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| 79 | _mgr->destroyEntity("Jump"); |
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| 80 | |
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| 81 | // Geometries and Joints will get deleted by the base class |
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| 82 | } |
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| 83 | |
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| 84 | //------------------------------------------------------------------------------------------------ |
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| 85 | // Return our name |
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| 86 | virtual const String& getName() |
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| 87 | { |
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| 88 | static String name = "Test Buggy"; |
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| 89 | return name; |
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| 90 | } |
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| 91 | |
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| 92 | //------------------------------------------------------------------------------------------------ |
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| 93 | // Tell the user what keys they can use |
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| 94 | virtual const String& getKeys() |
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| 95 | { |
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| 96 | static String keys = "I/K - Accelerate/Brake, J/L - Turn, X - Change drive mode, N - Change Car"; |
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| 97 | return keys; |
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| 98 | } |
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| 99 | |
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| 100 | |
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| 101 | //------------------------------------------------------------------------------------------------ |
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| 102 | void changeCar() |
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| 103 | { |
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| 104 | sSelectedCar = (sSelectedCar + 1) % maxNumCar; |
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| 105 | |
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| 106 | delete vehicle; |
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| 107 | vehicle = static_cast <OgreOde_Prefab::Vehicle *> (dotOgreOdeLoader->loadObject (carFileNames[sSelectedCar], carNames[sSelectedCar])); |
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| 108 | |
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| 109 | |
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| 110 | // Move the vehicle |
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| 111 | vehicle->setPosition(Vector3(0,0.82898,0)); |
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| 112 | } |
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| 113 | //------------------------------------------------------------------------------------------------ |
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| 114 | #if (OGRE_VERSION_MINOR < 4) |
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| 115 | // Handle the user's key presses |
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| 116 | virtual void frameEnded(Real time,InputReader* input) |
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| 117 | { |
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| 118 | // Do default key handling |
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| 119 | SimpleScenes::frameEnded(time,input); |
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| 120 | #else |
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| 121 | |
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| 122 | virtual void frameEnded(Real time, OIS::Keyboard* input, OIS::Mouse* mouse) |
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| 123 | { |
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| 124 | // Do default processing |
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| 125 | SimpleScenes::frameEnded(time, input, mouse); |
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| 126 | #endif |
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| 127 | // Tell the vehicle what digital inputs are being pressed; left, right, power and brake |
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| 128 | // There are equivalent methods for analogue controls, current you can't change gear so |
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| 129 | // you can't reverse! |
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| 130 | vehicle->setInputs(input->isKeyDown(KC_J),input->isKeyDown(KC_L),input->isKeyDown(KC_I),input->isKeyDown(KC_K)); |
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| 131 | |
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| 132 | // Update the vehicle, you need to do this every time step |
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| 133 | vehicle->update(time); |
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| 134 | if (_key_delay > SimpleScenes::KEY_DELAY) |
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| 135 | { |
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| 136 | |
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| 137 | if ((input->isKeyDown(KC_N))) |
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| 138 | { |
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| 139 | changeCar(); |
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| 140 | _key_delay = 0.0; |
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| 141 | } |
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| 142 | // Change the drive mode between front, rear and 4wd |
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| 143 | if ((input->isKeyDown(KC_X))) |
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| 144 | { |
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| 145 | switch(_drive) |
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| 146 | { |
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| 147 | // Switch from rear to front |
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| 148 | case 'R': |
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| 149 | _drive = 'F'; |
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| 150 | |
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| 151 | vehicle->getWheel(0)->setPowerFactor(1); |
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| 152 | vehicle->getWheel(1)->setPowerFactor(1); |
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| 153 | vehicle->getWheel(2)->setPowerFactor(0); |
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| 154 | vehicle->getWheel(3)->setPowerFactor(0); |
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| 155 | |
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| 156 | setInfoText(carNames[sSelectedCar] + "Front wheel drive"); |
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| 157 | break; |
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| 158 | |
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| 159 | // Switch from front to all |
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| 160 | case 'F': |
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| 161 | _drive = '4'; |
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| 162 | |
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| 163 | vehicle->getWheel(0)->setPowerFactor(0.6); |
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| 164 | vehicle->getWheel(1)->setPowerFactor(0.6); |
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| 165 | vehicle->getWheel(2)->setPowerFactor(0.4); |
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| 166 | vehicle->getWheel(3)->setPowerFactor(0.4); |
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| 167 | |
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| 168 | setInfoText(carNames[sSelectedCar] + "All wheel drive"); |
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| 169 | break; |
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| 170 | |
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| 171 | // Switch from all to rear |
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| 172 | case '4': |
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| 173 | _drive = 'R'; |
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| 174 | |
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| 175 | vehicle->getWheel(0)->setPowerFactor(0); |
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| 176 | vehicle->getWheel(1)->setPowerFactor(0); |
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| 177 | vehicle->getWheel(2)->setPowerFactor(1); |
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| 178 | vehicle->getWheel(3)->setPowerFactor(1); |
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| 179 | |
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| 180 | setInfoText(carNames[sSelectedCar] + "Rear wheel drive"); |
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| 181 | break; |
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| 182 | } |
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| 183 | _key_delay = 0.0; |
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| 184 | } |
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| 185 | } |
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| 186 | } |
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| 187 | |
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| 188 | //------------------------------------------------------------------------------------------------ |
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| 189 | // Override the collision callback to set our own parameters |
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| 190 | bool collision(OgreOde::Contact* contact) |
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| 191 | { |
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| 192 | // If the base class doesn't think the collision needs to |
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| 193 | // happen then we won't do anything either |
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| 194 | if (!SimpleScenes::collision(contact)) |
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| 195 | return false; |
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| 196 | |
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| 197 | if (!OgreOde_Prefab::Vehicle::handleTyreCollision(contact)) |
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| 198 | { |
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| 199 | // Set the floor to be a bit slippy |
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| 200 | contact->setCoulombFriction(12.0); |
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| 201 | } |
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| 202 | return true; |
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| 203 | } |
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| 204 | |
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| 205 | protected: |
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| 206 | // Keep track of the things we need to delete manually or change according to user input |
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| 207 | OgreOde_Prefab::Vehicle *vehicle; |
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| 208 | char _drive; |
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| 209 | }; |
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| 210 | |
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| 211 | #endif |
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