[12] | 1 | /**
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| 2 | \file
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| 3 | TestCullingApplication.cpp
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| 4 | \brief
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| 5 | Tests the occlusion culling algorithm
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| 6 | */
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| 7 |
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[28] | 8 | #include <OgreNoMemoryMacros.h>
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| 9 | #include <CEGUI/CEGUI.h>
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| 10 | #include <../CEGUIRenderer/include/OgreCEGUIRenderer.h>
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| 11 | #include <../CEGUIRenderer/include/OgreCEGUIResourceProvider.h>
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| 12 | #include <../CEGUIRenderer/include/OgreCEGUITexture.h>
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| 13 | #include <OgreMemoryMacros.h>
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[18] | 14 |
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[12] | 15 | #include "Ogre.h"
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| 16 | #include "TestCullingApplication.h"
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[33] | 17 | #include "OgreOcclusionCullingSceneTraverser.h"
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[12] | 18 |
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| 19 | #define WIN32_LEAN_AND_MEAN
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| 20 | #include "windows.h"
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| 21 |
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[29] | 22 | /***********************************************/
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| 23 | /* TestCullingApplication implementation */
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| 24 | /***********************************************/
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| 25 |
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| 26 |
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| 27 | //-----------------------------------------------------------------------
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[12] | 28 | void TestCullingApplication::createScene(void)
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| 29 | {
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| 30 | // Create a skybox
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| 31 | mSceneMgr->setSkyBox(true, "Examples/SpaceSkyBox");
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| 32 | mShip = mSceneMgr->createEntity("razor", "razor.mesh");
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| 33 | mShipNode = mSceneMgr->getRootSceneNode()->createChildSceneNode();
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| 34 | mShipNode->attachObject(mShip);
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| 35 |
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| 36 | mSceneMgr->setAmbientLight(ColourValue(0.5, 0.5, 0.5));
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[18] | 37 |
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| 38 | // CEGUI setup
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| 39 | mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY, false, 3000, ST_GENERIC);
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| 40 | mGUISystem = new CEGUI::System(mGUIRenderer);
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| 41 |
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| 42 | // Mouse
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| 43 | CEGUI::SchemeManager::getSingleton().loadScheme((CEGUI::utf8*)"TaharezLook.scheme");
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| 44 | CEGUI::MouseCursor::getSingleton().setImage("TaharezLook", "MouseArrow");
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| 45 | mGUISystem->setDefaultMouseCursor(
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| 46 | (CEGUI::utf8*)"TaharezLook", (CEGUI::utf8*)"MouseArrow");
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| 47 |
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| 48 | CEGUI::MouseCursor::getSingleton().show( );
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| 49 |
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| 50 | /* CEGUI::Window* sheet =
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| 51 | CEGUI::WindowManager::getSingleton().loadWindowLayout(
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| 52 | (CEGUI::utf8*)"ogregui.layout");
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| 53 |
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| 54 | mGUISystem->setGUISheet(sheet);*/
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[12] | 55 | }
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[29] | 56 | //-----------------------------------------------------------------------
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| 57 | void TestCullingApplication::createFrameListener(void)
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| 58 | {
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| 59 | mFrameListener= new MouseQueryListener(mWindow, mCamera, mSceneMgr, mGUIRenderer, mShipNode);
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| 60 | mFrameListener->showDebugOverlay(true);
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| 61 | mRoot->addFrameListener(mFrameListener);
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| 62 | }
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| 63 | //-----------------------------------------------------------------------
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| 64 | void TestCullingApplication::chooseSceneManager(void)
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| 65 | {
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[33] | 66 | //mSceneMgr = mRoot->getSceneManager(ST_GENERIC);
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| 67 | mSceneMgr = mRoot->getSceneManager(ST_EXTERIOR_CLOSE);
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[29] | 68 | }
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[12] | 69 |
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[29] | 70 | /***********************************************/
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| 71 | /* MouseQueryListener implementation */
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| 72 | /***********************************************/
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[12] | 73 |
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[29] | 74 | //-----------------------------------------------------------------------
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| 75 | MouseQueryListener::MouseQueryListener(RenderWindow* win, Camera* cam, SceneManager *sceneManager, CEGUI::Renderer *renderer,
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| 76 | SceneNode* shipNode)
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| 77 | : ExampleFrameListener(win, cam, false, true), mGUIRenderer(renderer), mShipNode(shipNode)//, mShutdownRequested(false)
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| 78 | {
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| 79 |
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[33] | 80 | // Setup default variables
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| 81 | mCurrentObject = NULL;
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| 82 | mLMouseDown = false;
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| 83 | mRMouseDown = false;
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| 84 | mSceneMgr = sceneManager;
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[29] | 85 |
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[33] | 86 | // Reduce move speed
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| 87 | mMoveSpeed = 50;
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| 88 | mRotateSpeed *= 2;
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[29] | 89 |
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[33] | 90 | mCurrentAlgorithm = OcclusionCullingSceneTraverser::RENDER_COHERENT;
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| 91 | mThreshold = 0;
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| 92 |
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| 93 | // Register this so that we get mouse events.
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| 94 | mEventProcessor->addMouseListener(this);
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| 95 | mEventProcessor->addMouseMotionListener(this);
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| 96 | mEventProcessor->addKeyListener(this);
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[29] | 97 |
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[33] | 98 | // show overlay
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| 99 | Overlay* pOver = OverlayManager::getSingleton().getByName("Example/OcclusionDemoOverlay");
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[30] | 100 |
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[33] | 101 | mAlgorithmInfo = OverlayManager::getSingleton().getOverlayElement("Example/Occlusion/AlgorithmInfo");
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| 102 | mThresholdInfo = OverlayManager::getSingleton().getOverlayElement("Example/Occlusion/ThresholdInfo");
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| 103 | mFrustumCulledNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Occlusion/FrustumCulledNodesInfo");
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| 104 | mQueryCulledNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Occlusion/QueryCulledNodesInfo");
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| 105 | mTraversedNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Occlusion/TraversedNodesInfo");
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[30] | 106 |
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[33] | 107 | mAlgorithmInfo->setCaption(": " + mCurrentAlgorithmCaptions[mCurrentAlgorithm]);
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| 108 | mThresholdInfo->setCaption(": 0");
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| 109 | mFrustumCulledNodesInfo->setCaption(": 0");
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| 110 | mQueryCulledNodesInfo->setCaption(": 0");
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| 111 | mTraversedNodesInfo->setCaption(": 0");
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| 112 |
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| 113 | pOver->show();
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[29] | 114 | } // MouseQueryListener
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| 115 | //-----------------------------------------------------------------------
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[18] | 116 | void MouseQueryListener::mouseMoved (MouseEvent *e)
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| 117 | {
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| 118 | // Update CEGUI with the mouse motion
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| 119 | CEGUI::System::getSingleton().injectMouseMove(e->getRelX() * mGUIRenderer->getWidth(), e->getRelY() * mGUIRenderer->getHeight());
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| 120 | }
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[29] | 121 | //-----------------------------------------------------------------------
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[18] | 122 | void MouseQueryListener::mousePressed(MouseEvent* e)
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| 123 | {
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| 124 | // Left mouse button down
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| 125 | if (e->getButtonID() & InputEvent::BUTTON0_MASK)
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| 126 | {
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| 127 | CEGUI::MouseCursor::getSingleton().hide( );
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| 128 | mLMouseDown = true;
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| 129 | } // if
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| 130 | // Right mouse button down
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| 131 | else if (e->getButtonID() & InputEvent::BUTTON1_MASK)
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| 132 | {
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| 133 | CEGUI::MouseCursor::getSingleton().hide( );
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| 134 | mRMouseDown = true;
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| 135 | } // else if
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| 136 | } // mousePressed
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| 137 |
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[29] | 138 | //-----------------------------------------------------------------------
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[18] | 139 | void MouseQueryListener::mouseReleased(MouseEvent* e)
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| 140 | {
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| 141 | // Left mouse button up
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| 142 | if (e->getButtonID() & InputEvent::BUTTON0_MASK)
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| 143 | {
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| 144 | CEGUI::MouseCursor::getSingleton().show( );
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| 145 | mLMouseDown = false;
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| 146 | } // if
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| 147 | // Right mouse button up
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| 148 | else if (e->getButtonID() & InputEvent::BUTTON1_MASK)
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| 149 | {
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| 150 | CEGUI::MouseCursor::getSingleton().show( );
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| 151 | mRMouseDown = false;
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| 152 | } // else if
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| 153 | } // mouseReleased
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[29] | 154 | //-----------------------------------------------------------------------
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[18] | 155 | void MouseQueryListener::mouseDragged (MouseEvent *e)
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| 156 | {
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| 157 | // If we are dragging the left mouse button.
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| 158 | if ( mLMouseDown )
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| 159 | {
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| 160 | mShipNode->translate(-e->getRelX() * 200, -e->getRelY() * 200, 0.0);
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| 161 | } // if
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| 162 |
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| 163 | // If we are dragging the right mouse button.
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| 164 | else if ( mRMouseDown )
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| 165 | {
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| 166 | mCamera->yaw( -e->getRelX() * mRotateSpeed );
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| 167 | mCamera->pitch( -e->getRelY() * mRotateSpeed );
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| 168 | } // else if
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| 169 | } // mouseDragged
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[29] | 170 | //-----------------------------------------------------------------------
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| 171 | bool MouseQueryListener::frameEnded(const FrameEvent& evt)
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| 172 | {
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[32] | 173 | if (mShutdownRequested)
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| 174 | return false;
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| 175 |
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[29] | 176 | if (timeDelay >= 0)
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| 177 | timeDelay -= evt.timeSinceLastFrame;
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[18] | 178 |
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[32] | 179 | KEY_PRESSED(KC_SPACE, 0.3, changeAlgorithm());
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| 180 |
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| 181 | KEY_PRESSED(KC_SUBTRACT, 0.3, changeThreshold(-10));
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| 182 | KEY_PRESSED(KC_ADD, 0, changeThreshold(10));
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| 183 | //KEY_PRESSED(KC_T, 1, change);
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[29] | 184 |
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[30] | 185 | changeStats();
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| 186 |
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[29] | 187 | return ExampleFrameListener::frameStarted(evt) && ExampleFrameListener::frameEnded(evt);
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| 188 | }
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| 189 | //-----------------------------------------------------------------------
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[32] | 190 | void MouseQueryListener::changeThreshold(int incr)
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| 191 | {
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| 192 | mThreshold += incr; if(mThreshold < 0) mThreshold = 0;
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| 193 |
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| 194 | char str[100]; sprintf(str,": %d", mThreshold);
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| 195 |
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| 196 | mSceneMgr->setOption("Threshold", &mThreshold);
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| 197 | mThresholdInfo->setCaption(str);
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| 198 | }
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| 199 | //-----------------------------------------------------------------------
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[29] | 200 | void MouseQueryListener::changeAlgorithm()
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| 201 | {
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[32] | 202 | mCurrentAlgorithm = ++mCurrentAlgorithm % OcclusionCullingSceneTraverser::NUM_RENDERMODES;
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[18] | 203 |
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[30] | 204 | mAlgorithmInfo->setCaption(": " + mCurrentAlgorithmCaptions[mCurrentAlgorithm]);
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[29] | 205 | mSceneMgr->setOption("Algorithm", &mCurrentAlgorithm);
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| 206 | }
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[30] | 207 | //-----------------------------------------------------------------------
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| 208 | void MouseQueryListener::changeStats()
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| 209 | {
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| 210 | unsigned int opt = 0;
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[31] | 211 | char str[100];
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[32] | 212 |
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| 213 | mSceneMgr->getOption("NumFrustumCulledNodes", &opt); sprintf(str,": %d", opt);
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| 214 | mFrustumCulledNodesInfo->setCaption(str);
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| 215 |
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| 216 | mSceneMgr->getOption("NumQueryCulledNodes", &opt); sprintf(str,": %d", opt);
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| 217 | mQueryCulledNodesInfo->setCaption(str);
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| 218 |
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| 219 | mSceneMgr->getOption("NumTraversedNodes", &opt); sprintf(str,": %d", opt);
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| 220 | mTraversedNodesInfo->setCaption(str);
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[30] | 221 | }
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| 222 | //-----------------------------------------------------------------------
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[32] | 223 | void MouseQueryListener::keyPressed(KeyEvent* e)
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| 224 | {
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| 225 | if(e->getKey() == KC_ESCAPE)
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| 226 | {
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| 227 | mShutdownRequested = true;
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| 228 | e->consume();
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| 229 | return;
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| 230 | }
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| 231 |
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| 232 | CEGUI::System::getSingleton().injectKeyDown(e->getKey());
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| 233 | CEGUI::System::getSingleton().injectChar(e->getKeyChar());
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| 234 | e->consume();
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| 235 | }
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| 236 | //-----------------------------------------------------------------------
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| 237 | void MouseQueryListener::keyReleased(KeyEvent* e)
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| 238 | {
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| 239 | CEGUI::System::getSingleton().injectKeyUp(e->getKey());
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| 240 | e->consume();
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| 241 | }
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| 242 | //-----------------------------------------------------------------------
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| 243 | void MouseQueryListener::keyClicked(KeyEvent* e)
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| 244 | {
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| 245 | // Do nothing
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| 246 | e->consume();
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| 247 | }
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| 248 | //-----------------------------------------------------------------------
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[12] | 249 | INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
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| 250 | {
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| 251 | // Create application object
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| 252 | TestCullingApplication app;
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| 253 |
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[16] | 254 | try {
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[12] | 255 | app.go();
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| 256 | } catch( Ogre::Exception& e ) {
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| 257 | MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
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[16] | 258 | }
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[12] | 259 |
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| 260 | return 0;
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[18] | 261 | } |
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