source: trunk/VUT/work/TestCulling/TestCullingApplication.cpp @ 139

Revision 139, 12.9 KB checked in by mattausch, 19 years ago (diff)

fixed bug with tight octree boxes
added more flexible renderqueue (can delete per flag)
reordered functions in visibility terrain scene manager
Line 
1/**
2    \file
3        TestCullingApplication.cpp
4    \brief
5        Tests the visibility culling algorithm
6*/
7
8#include <OgreNoMemoryMacros.h>
9#include <CEGUI/CEGUI.h>
10#include <../CEGUIRenderer/include/OgreCEGUIRenderer.h>
11#include <../CEGUIRenderer/include/OgreCEGUIResourceProvider.h>
12#include <../CEGUIRenderer/include/OgreCEGUITexture.h>
13#include <OgreMemoryMacros.h>
14#include <Ogre.h>
15#include "TestCullingApplication.h"
16#include "OgreSceneContentGenerator.h"
17
18#define WIN32_LEAN_AND_MEAN
19#include <windows.h>
20
21
22/***********************************************/
23/* TestCullingApplication implementation       */
24/***********************************************/
25
26//-----------------------------------------------------------------------
27/*void TestCullingApplication::createCamera( void )
28{
29        // Create the camera
30        mCamera = mSceneMgr->createCamera("CullCamera");
31
32        // Position it at 500 in Z direction
33        mCamera->setPosition(Vector3(128,25,128));
34
35        // Look back along -Z
36    mCamera->lookAt(Vector3(0,0,-300));
37    mCamera->setNearClipDistance( 1 );
38    mCamera->setFarClipDistance( 1000 );
39}*/
40//-----------------------------------------------------------------------
41TestCullingApplication::~TestCullingApplication()
42{
43        delete mSceneContentGenerator;
44}
45//-----------------------------------------------------------------------
46void TestCullingApplication::createScene(void)
47{
48        // Set ambient light
49        mSceneMgr->setAmbientLight(ColourValue(0.5, 0.5, 0.5));
50       
51        // Create a light
52        Light* l = mSceneMgr->createLight("MainLight");
53        //l->setPosition(20,80,50);
54
55        mSceneContentGenerator = new SceneContentGenerator(mSceneMgr);
56        mSceneContentGenerator->GenerateScene(3000, "sphere.mesh");
57
58        // Create a skybox
59    mSceneMgr->setSkyBox(true, "Examples/CloudyNoonSkyBox", 2000, true);
60    ColourValue fadeColour(0.1, 0.1, 0.6);
61        mWindow->getViewport(0)->setBackgroundColour(fadeColour);
62
63        // CEGUI setup
64        setupGui();
65}
66//-----------------------------------------------------------------------
67void TestCullingApplication::setupGui()
68{
69         mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY, false, 3000, ST_EXTERIOR_CLOSE);
70     mGUISystem = new CEGUI::System(mGUIRenderer);
71
72         // Mouse
73     CEGUI::SchemeManager::getSingleton().loadScheme((CEGUI::utf8*)"TaharezLook.scheme");
74     CEGUI::MouseCursor::getSingleton().setImage("TaharezLook", "MouseArrow");
75         mGUISystem->setDefaultMouseCursor(
76                (CEGUI::utf8*)"TaharezLook", (CEGUI::utf8*)"MouseArrow");
77
78         CEGUI::MouseCursor::getSingleton().show( );
79}
80//-----------------------------------------------------------------------
81void TestCullingApplication::createFrameListener()
82{
83        mFrameListener= new TerrainFrameListener(mWindow, mCamera, mSceneMgr,
84                mGUIRenderer, mSceneContentGenerator);
85        mFrameListener->showDebugOverlay(true);
86        mRoot->addFrameListener(mFrameListener);
87}
88//-----------------------------------------------------------------------
89void TestCullingApplication::chooseSceneManager(void)
90{
91    mSceneMgr = mRoot->getSceneManager(ST_GENERIC);
92}
93
94
95/***********************************************/
96/* TerrainFrameListener implementation         */
97/***********************************************/
98//-----------------------------------------------------------------------
99TerrainFrameListener::TerrainFrameListener(RenderWindow* win, Camera* cam,
100                                                                           SceneManager *sceneManager,
101                                                                           CEGUI::Renderer *renderer,
102                                                                           SceneContentGenerator *sceneContentGenerator)
103: ExampleFrameListener(win, cam, false, true),
104mSceneMgr(sceneManager),
105mGUIRenderer(renderer),
106mShutdownRequested(false),
107mLMouseDown(false),
108mRMouseDown(false),
109mSceneContentGenerator(sceneContentGenerator),
110mVisibilityThreshold(0),
111mCurrentAlgorithm(GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING),
112mShowOctree(false),
113mUseDepthPass(false),
114mUseOptimization(true),
115mShowVisualization(false),
116mVisualizeCulledNodes(false)
117{
118    // Reduce move speed
119        mMoveSpeed = 50;
120        mRotateSpeed *= 2;
121 
122        // Register this so that we get mouse events.
123        mEventProcessor->addMouseListener(this);
124        mEventProcessor->addMouseMotionListener(this);
125        mEventProcessor->addKeyListener(this);
126
127        // show overlay
128        Overlay* pOver = OverlayManager::getSingleton().getByName("Example/VisibilityDemoOverlay");
129
130        mAlgorithmInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/AlgorithmInfo");
131        mThresholdInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/ThresholdInfo");
132       
133        mFrustumCulledNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/FrustumCulledNodesInfo");
134        mQueryCulledNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/QueryCulledNodesInfo");
135    mTraversedNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/TraversedNodesInfo");
136        mHierarchyNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/HierarchyNodesInfo");
137        mRenderedNodesInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/RenderedNodesInfo");
138        mObjectsInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/ObjectsInfo");
139        mUseOptimizationInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/UseOptimizationInfo");
140        mQueriesIssuedInfo = OverlayManager::getSingleton().getOverlayElement("Example/Visibility/QueriesIssuedInfo");
141
142        mAlgorithmInfo->setCaption(": " + mCurrentAlgorithmCaptions[mCurrentAlgorithm]);
143        mThresholdInfo->setCaption(": 0");
144        mFrustumCulledNodesInfo->setCaption(": 0");
145        mQueryCulledNodesInfo->setCaption(": 0");
146        mTraversedNodesInfo->setCaption(": 0");
147        mHierarchyNodesInfo->setCaption(": 0");
148        mRenderedNodesInfo->setCaption(": 0");
149        mObjectsInfo->setCaption(": 0");
150        mUseOptimizationInfo->setCaption(": true");
151        mQueriesIssuedInfo->setCaption(": 0");
152
153        setAlgorithm(mCurrentAlgorithm);
154       
155        mSceneMgr->setOption("UseOptimization", &mUseOptimization);
156        mSceneMgr->setOption("UseDepthPass", &mUseDepthPass);
157        mSceneMgr->setOption("ShowVizualisation", &mShowVisualization);
158        mSceneMgr->setOption("ShowOctree", &mShowOctree);
159
160    pOver->show();
161}
162//-----------------------------------------------------------------------
163TerrainFrameListener::~TerrainFrameListener()
164{
165}
166//-----------------------------------------------------------------------
167void TerrainFrameListener::mouseMoved(MouseEvent *e)
168{
169        // Update CEGUI with the mouse motion
170    CEGUI::System::getSingleton().injectMouseMove(e->getRelX() *
171                mGUIRenderer->getWidth(), e->getRelY() * mGUIRenderer->getHeight());
172}
173//-----------------------------------------------------------------------
174void TerrainFrameListener::mousePressed(MouseEvent* e)
175{
176     // Left mouse button down
177     if (e->getButtonID() & InputEvent::BUTTON0_MASK)
178     {
179                mLMouseDown = true;
180     }
181     // Right mouse button down
182     else if (e->getButtonID() & InputEvent::BUTTON1_MASK)
183     {
184         CEGUI::MouseCursor::getSingleton().hide( );
185         mRMouseDown = true;
186     } // else if
187} // mousePressed
188
189 //-----------------------------------------------------------------------
190void TerrainFrameListener::mouseReleased(MouseEvent* e)
191{
192    // Left mouse button up
193    if (e->getButtonID() & InputEvent::BUTTON0_MASK)
194    {
195                CEGUI::MouseCursor::getSingleton().show();
196        mLMouseDown = false;
197    }
198    // Right mouse button up
199    else if (e->getButtonID() & InputEvent::BUTTON1_MASK)
200    {
201        CEGUI::MouseCursor::getSingleton().show();
202        mRMouseDown = false;
203    }
204}
205//-----------------------------------------------------------------------
206void TerrainFrameListener::mouseDragged (MouseEvent *e)
207 {
208         // If we are dragging the left mouse button.           
209         if ( mLMouseDown )
210     {
211               
212     }
213         // If we are dragging the right mouse button.
214         if ( mRMouseDown )
215         {
216                 mCamera->yaw(-e->getRelX() * mRotateSpeed);
217                 mCamera->pitch(-e->getRelY() * mRotateSpeed);
218         }
219}
220//-----------------------------------------------------------------------
221bool TerrainFrameListener::frameStarted(const FrameEvent &evt)
222{       
223        return ExampleFrameListener::frameStarted(evt);
224}
225//-----------------------------------------------------------------------
226bool TerrainFrameListener::frameEnded(const FrameEvent& evt)
227{
228        if (mShutdownRequested)
229                return false;
230
231    if (timeDelay >= 0)
232        timeDelay -= evt.timeSinceLastFrame;
233
234    KEY_PRESSED(KC_SPACE, 0.3, nextAlgorithm());
235
236        KEY_PRESSED(KC_SUBTRACT, 0, changeThreshold(-10));
237        KEY_PRESSED(KC_ADD, 0, changeThreshold(10));
238        KEY_PRESSED(KC_O, 0.3, toggleUseOptimization());
239        KEY_PRESSED(KC_C, 0.3, toggleUseDepthPass());
240        KEY_PRESSED(KC_V, 0.3, toggleShowViz());
241
242        updateStats();
243
244    return ExampleFrameListener::frameStarted(evt) && ExampleFrameListener::frameEnded(evt);       
245}
246//-----------------------------------------------------------------------
247void TerrainFrameListener::changeThreshold(int incr)
248{
249        mVisibilityThreshold += incr;
250        if(mVisibilityThreshold < 0) mVisibilityThreshold = 0;
251       
252        char str[100]; sprintf(str,": %d", mVisibilityThreshold);
253
254        mSceneMgr->setOption("Threshold", &mVisibilityThreshold);
255        mThresholdInfo->setCaption(str);
256}
257//-----------------------------------------------------------------------
258void TerrainFrameListener::nextAlgorithm()
259{
260        mCurrentAlgorithm = ++mCurrentAlgorithm %
261                GtpVisibility::VisibilityEnvironment::NUM_CULLING_MANAGERS,
262
263        setAlgorithm(mCurrentAlgorithm);
264}
265//-----------------------------------------------------------------------
266void TerrainFrameListener::toggleUseOptimization()
267{
268        mUseOptimization = !mUseOptimization;
269
270        mSceneMgr->setOption("UseOptimization", &mUseOptimization);
271
272        if(mUseOptimization)
273                mUseOptimizationInfo->setCaption(": true");
274        else
275                mUseOptimizationInfo->setCaption(": false");
276}
277//-----------------------------------------------------------------------
278void TerrainFrameListener::toggleShowOctree()
279{
280        mShowOctree = !mShowOctree;
281
282        mSceneMgr->setOption("ShowOctree", &mShowOctree);
283}
284//-----------------------------------------------------------------------
285void TerrainFrameListener::toggleUseDepthPass()
286{
287        mUseDepthPass = !mUseDepthPass;
288
289        mSceneMgr->setOption("UseDepthPass", &mUseDepthPass);
290}
291//-----------------------------------------------------------------------
292void TerrainFrameListener::toggleShowViz()
293{
294        mShowVisualization = !mShowVisualization;
295
296        mSceneMgr->setOption("PrepareVisualization", &mShowVisualization);
297        mSceneMgr->setOption("VisualizeCulledNodes", &mVisualizeCulledNodes);
298}
299//-----------------------------------------------------------------------
300void TerrainFrameListener::setAlgorithm(int algorithm)
301{
302        mAlgorithmInfo->setCaption(": " + mCurrentAlgorithmCaptions[mCurrentAlgorithm]);
303        mSceneMgr->setOption("Algorithm", &mCurrentAlgorithm);
304}
305//-----------------------------------------------------------------------
306void TerrainFrameListener::updateStats()
307{
308        unsigned int opt = 0;
309        char str[100];
310       
311        mSceneMgr->getOption("NumFrustumCulledNodes", &opt); sprintf(str,": %d", opt);
312        mFrustumCulledNodesInfo->setCaption(str);
313       
314        mSceneMgr->getOption("NumQueriesIssued", &opt); sprintf(str,": %d", opt);
315        mQueriesIssuedInfo->setCaption(str);
316
317        mSceneMgr->getOption("NumQueryCulledNodes", &opt); sprintf(str,": %d", opt);
318        mQueryCulledNodesInfo->setCaption(str);
319       
320        mSceneMgr->getOption("NumTraversedNodes", &opt); sprintf(str,": %d", opt);
321        mTraversedNodesInfo->setCaption(str);
322
323        mSceneMgr->getOption("NumHierarchyNodes", &opt); sprintf(str,": %d", opt);
324        mHierarchyNodesInfo->setCaption(str);
325
326        mSceneMgr->getOption("NumRenderedNodes", &opt); sprintf(str,": %d", opt);
327        mRenderedNodesInfo->setCaption(str);
328
329        sprintf(str,": %d", mSceneContentGenerator->GetObjectCount());
330        mObjectsInfo->setCaption(str);
331}
332//-----------------------------------------------------------------------
333void TerrainFrameListener::keyPressed(KeyEvent* e)
334{
335        if(e->getKey() == KC_ESCAPE)
336    {
337                mShutdownRequested = true;
338                e->consume();
339                return;
340        }
341
342        CEGUI::System::getSingleton().injectKeyDown(e->getKey());
343        CEGUI::System::getSingleton().injectChar(e->getKeyChar());
344        e->consume();
345}
346//-----------------------------------------------------------------------
347void TerrainFrameListener::keyReleased(KeyEvent* e)
348{
349        CEGUI::System::getSingleton().injectKeyUp(e->getKey());
350        e->consume();
351}
352//-----------------------------------------------------------------------
353void TerrainFrameListener::keyClicked(KeyEvent* e)
354{
355        // Do nothing
356        e->consume();
357}
358//-----------------------------------------------------------------------
359INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
360{
361    // Create application object
362    TestCullingApplication app;
363
364        try
365        {
366        app.go();
367    }
368        catch( Ogre::Exception& e )
369        {
370        MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
371    }   
372
373    return 0;
374}
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