[133] | 1 | #ifndef _TerrainFrameListener_H__
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| 2 | #define _TerrainFrameListener_H__
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[115] | 3 |
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| 4 | #include "CEGUIForwardRefs.h"
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| 5 | #include <Ogre.h>
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| 6 | #include <OgreKeyEvent.h>
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| 7 | #include <OgreEventListeners.h>
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| 8 | #include <OgreStringConverter.h>
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| 9 | #include <OgreException.h>
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| 10 | #include "VisibilityEnvironment.h"
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[130] | 11 | #include "VisibilityManager.h"
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[115] | 12 | #include "OgreTerrainContentGenerator.h"
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[151] | 13 | #include "OgrePlatformQueryManager.h"
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[115] | 14 |
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[173] | 15 |
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[160] | 16 | class TestCullingTerrainApplication;
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| 17 |
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| 18 |
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[115] | 19 | using namespace Ogre;
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| 20 |
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[259] | 21 | /** Struct storing walktrough statistics
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| 22 | */
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| 23 | struct WalkthroughStats
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| 24 | {
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| 25 | public:
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[115] | 26 |
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[259] | 27 | unsigned long mAccFps;
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| 28 | unsigned long mBestFps;
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| 29 | unsigned long mWorstFps;
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| 30 | unsigned long mAccTris;
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| 31 | unsigned long mAccQueryCulledNodes;
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| 32 | unsigned long mAccFrustumCulledNodes;
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| 33 | unsigned long mFrameCount;
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| 34 | unsigned long mAccRenderedNodes;
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| 35 |
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| 36 | WalkthroughStats():
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| 37 | mAccFps(0), mBestFps(0), mWorstFps(0), mAccTris(0),
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| 38 | mAccQueryCulledNodes(0), mAccFrustumCulledNodes(0),
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| 39 | mFrameCount(0), mAccRenderedNodes(0)
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| 40 | {}
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[254] | 41 |
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[259] | 42 | void Reset()
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| 43 | {
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| 44 | mAccFps = mBestFps = mWorstFps = mAccTris = mAccQueryCulledNodes = mAccFrustumCulledNodes = mFrameCount = mAccRenderedNodes = 0;
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| 45 | }
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| 46 |
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| 47 | void UpdateFrame(int currentFps, int bestFps, int worstFps, int renderedTris, int renderedNodes, int queryCulledNodes, int frustumCulledNodes)
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| 48 | {
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| 49 | mAccFps += currentFps;
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| 50 | mBestFps = bestFps;
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| 51 | mWorstFps = worstFps;
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| 52 |
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| 53 | // accumulated #triangles (M)
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| 54 | mAccTris += renderedTris / 1000;
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| 55 | mAccRenderedNodes += renderedNodes;
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| 56 | mAccQueryCulledNodes += queryCulledNodes;
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| 57 | mAccFrustumCulledNodes += frustumCulledNodes;
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| 58 |
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| 59 | ++ mFrameCount;
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| 60 | }
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| 61 |
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| 62 | void Print(std::ostream &d, const std::string &algorithmName) const
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| 63 | {
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| 64 | // compuate average fps and triangle count
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| 65 | float avgFps = (float)mAccFps / (float)mFrameCount;
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| 66 | float avgTris = (float)mAccTris / (float)mFrameCount;
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| 67 | float avgFrustumCulledNodes = 0;
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| 68 | float avgRenderedNodes = 0;
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| 69 | float avgQueryCulledNodes = 0;
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| 70 |
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| 71 | if (mFrameCount != 0)
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| 72 | {
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| 73 | avgFrustumCulledNodes = (float)mAccFrustumCulledNodes / (float)mFrameCount;
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| 74 | avgQueryCulledNodes = (float)mAccQueryCulledNodes / (float)mFrameCount;
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| 75 | avgRenderedNodes = (float)mAccRenderedNodes / (float) mFrameCount;
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| 76 | }
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| 77 |
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| 78 | //-- write out stats for recorded walkthrough
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| 79 | d << "Algorithm: " << algorithmName << "\n"
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| 80 | << "avg. FPS: " << avgFps << "\n"
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| 81 | << "best FPS: " << mBestFps << "\n"
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| 82 | << "worst FPS: " << mWorstFps << "\n"
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[723] | 83 | << "#frames: " << mFrameCount << "\n"
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[259] | 84 | << "avg. #triangles: " << avgTris << " M\n"
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| 85 | << "avg. #query culled nodes: " << avgFrustumCulledNodes << "\n"
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| 86 | << "avg. #frustum culled nodes: " << avgQueryCulledNodes << "\n"
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| 87 | << "avg. #rendered nodes: " << avgRenderedNodes << "\n";
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| 88 | }
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| 89 |
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| 90 | };
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| 91 |
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[161] | 92 | /** Frame listener specialised for terrains.
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[115] | 93 | */
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[161] | 94 | class TerrainFrameListener: public FrameListener, public MouseListener,
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| 95 | public MouseMotionListener, public KeyListener
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[115] | 96 | {
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| 97 | public:
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| 98 |
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[160] | 99 | TerrainFrameListener(RenderWindow* win,
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| 100 | Camera* cam,
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| 101 | SceneManager *sceneManager,
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| 102 | CEGUI::Renderer *renderer,
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| 103 | TerrainContentGenerator *contentGenerator,
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| 104 | Camera *vizCamera,
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| 105 | SceneNode *camNode,
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| 106 | Light *sunLight,
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| 107 | TestCullingTerrainApplication *app);
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[115] | 108 |
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[133] | 109 | ~TerrainFrameListener();
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[115] | 110 |
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| 111 | bool frameStarted(const FrameEvent& evt);
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| 112 | bool frameEnded(const FrameEvent& evt);
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[417] | 113 |
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[115] | 114 |
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| 115 | /* MouseListener callbacks. */
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| 116 | virtual void mouseClicked(MouseEvent* e) { }
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| 117 | virtual void mouseEntered(MouseEvent* e) { }
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| 118 | virtual void mouseExited(MouseEvent* e) { }
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| 119 |
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| 120 | // This is when the mouse button goes DOWN.
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[161] | 121 | void mousePressed(MouseEvent* e);
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[115] | 122 |
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| 123 | // This is when the mouse button is let UP.
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[161] | 124 | void mouseReleased(MouseEvent* e);
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[115] | 125 |
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| 126 | /* MouseMotionListener callbacks */
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[161] | 127 | void mouseMoved(MouseEvent *e);
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[115] | 128 |
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| 129 | // This is when the mouse is clicked, held and dragged.
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[161] | 130 | void mouseDragged(MouseEvent *e);
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[115] | 131 |
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[161] | 132 | void mouseDragDropped(MouseEvent *e);
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[115] | 133 | void keyPressed(KeyEvent* e);
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| 134 |
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| 135 | void keyReleased(KeyEvent* e);
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| 136 | void keyClicked(KeyEvent* e);
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| 137 |
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[161] | 138 | /** The information about camera position and orienation per frame.
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| 139 | */
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[115] | 140 | typedef struct
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| 141 | {
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| 142 | Vector3 position;
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| 143 | Quaternion orientation;
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| 144 | Real timeElapsed;
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[254] | 145 | Real fps;
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[115] | 146 | } frame_info;
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| 147 |
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[254] | 148 | typedef std::vector<frame_info> FrameInfoContainer;
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| 149 |
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[115] | 150 | enum {WALKTHROUGH, REPLAY, STATE_NUM};
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| 151 |
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| 152 | // visualization modes for scene nodes
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[723] | 153 | enum {
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| 154 | NODEVIZ_NONE,
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| 155 | NODEVIZ_RENDER_NODES,
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| 156 | NODEVIZ_RENDER_NODES_AND_CONTENT,
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| 157 | NODEVIZ_MODES_NUM};
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| 158 |
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[115] | 159 | //enum {NODEVIZ_NONE, NODEVIZ_RENDER_GEOMETRY, NODEVIZ_MODES_NUM};
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| 160 |
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[173] | 161 | void zoomVizCamera(int zoom);
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[115] | 162 |
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[254] | 163 | void addFrameInfo(FrameInfoContainer &frameInfos, SceneNode *camNode, Real timeElapsed);
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[115] | 164 | void setCurrentFrameInfo(Real timeElapsed);
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| 165 |
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| 166 | void setAlgorithm(int algorithm);
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| 167 |
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| 168 | void moveCamera();
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| 169 |
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[723] | 170 | void writeFrames(const std::string filename, const FrameInfoContainer &frameInfo) const;
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| 171 | void loadFrames(const std::string filename, FrameInfoContainer &frameInfo);
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[115] | 172 |
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| 173 | bool processUnbufferedKeyInput(const FrameEvent& evt);
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| 174 | bool processUnbufferedMouseInput(const FrameEvent& evt);
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| 175 |
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[723] | 176 | void switchMouseMode();
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| 177 |
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[254] | 178 | /** Shows the frame / algorithm statistics.
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| 179 | */
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[120] | 180 | void showStats(bool show);
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[115] | 181 |
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[254] | 182 | /** Updates frame statistics and the frame statistics display.
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| 183 | */
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[120] | 184 | void updateStats();
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| 185 |
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[254] | 186 | /** Toggles wether help screen is shown or not.
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| 187 | */
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[120] | 188 | void toggleShowHelp();
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[254] | 189 |
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| 190 | /** Toggles wether shadows are shown or not.
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| 191 | */
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[139] | 192 | void toggleShowShadows();
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[120] | 193 | void toggleDisplayCameraDetails();
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[254] | 194 | /** Takes screenshot of the current scene.
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| 195 | */
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[164] | 196 | void takeScreenshot();
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[254] | 197 | /** Takes one video frame.
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| 198 | */
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| 199 | void takeVideoFrame(std::ofstream &ofstr);
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| 200 |
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[120] | 201 | void nextSceneDetailLevel();
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| 202 | void nextFilter();
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| 203 | void nextAlgorithm();
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| 204 | void nextNodeVizMode();
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| 205 | void nextAppState();
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| 206 | void changeThreshold(int incr);
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[146] | 207 | void changeAssumedVisibility(int incr);
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[723] | 208 | void changeVizScale(const int incr);
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[187] | 209 | void setTestGeometryForVisibleLeaves(bool testGeometryForVisibleLeaves);
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[254] | 210 | /** Shows octree hierarchy of the scene.
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| 211 | */
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[120] | 212 | void toggleShowOctree();
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[254] | 213 | /** Toggles wether we use the initial depth pass.
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| 214 | */
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[120] | 215 | void toggleUseDepthPass();
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[343] | 216 | /** Toggles wether we use ARB or NV queries.
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| 217 | */
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| 218 | void toggleUseArbQueries();
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[254] | 219 | /** Toggles wether the visualization is shown.
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| 220 | */
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[120] | 221 | void toggleShowViz();
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[254] | 222 | /** Toggles wether the frames are recorded.
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| 223 | */
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[120] | 224 | void toggleRecord();
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| 225 |
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[133] | 226 | /** Applies visibility query. Collects the visible objects
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| 227 | and their visibility information.
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[154] | 228 | @param fromPoint if query should be from point or from camera
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| 229 | @param relativeVisibility if query should return number of visible pixels or
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| 230 | the ratio visible / projected pixels.
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| 231 | @param useItemBuffer if item buffer should be used or occlusion queries
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[133] | 232 | */
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[160] | 233 | void applyVisibilityQuery(bool fromPoint, bool relativeVisibility, bool useItemBuffer);
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[130] | 234 |
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[254] | 235 | /** Shows result from visibility queries.
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| 236 | */
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[135] | 237 | void toggleShowQueryStats();
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| 238 |
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[160] | 239 | /** Sets the type of the objects generated in the scene.
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| 240 | */
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| 241 | void setObjectType(int objectType);
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| 242 |
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[173] | 243 | static String msAlgorithmCaptions[];
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[723] | 244 | static String msApprevAlgorithmCaptions[];
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[173] | 245 | static String msQueryTypeCaptions[];
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| 246 | static String msQueryRelativeVisCaptions[];
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| 247 | static String msQueryMethodCaptions[];
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| 248 | static Real msObjectTerrainOffsets[];
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| 249 | static Real msObjectScales[];
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| 250 | static String msObjectCaptions[];
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| 251 |
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[115] | 252 | protected:
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| 253 |
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[160] | 254 | void initHelpOverlayElement(String name, int top);
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[173] | 255 | void initOverlayElement(OverlayElement **elInfo, String ext, String name,
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| 256 | int top, String caption);
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[160] | 257 |
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| 258 | //-- initialise overlays
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| 259 | void initHelpOverlay();
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| 260 | void initVisStatsOverlay();
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| 261 | void initQueryOverlay();
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[115] | 262 |
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[120] | 263 | SceneManager *mSceneMgr; // A pointer to the scene manager
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[115] | 264 |
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| 265 | CEGUI::Renderer *mGUIRenderer; // cegui renderer
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| 266 |
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| 267 | int mCurrentAlgorithm;
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| 268 | int mVisibilityThreshold;
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[146] | 269 | int mAssumedVisibility;
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[254] | 270 | /// the current frame number
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[120] | 271 | int mCurrentFrame;
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[254] | 272 | /// the current application state
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[120] | 273 | int mAppState;
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[254] | 274 | /// The number of objects on the screen
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[120] | 275 | int mObjectCount;
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[254] | 276 | /// visualization mode
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[120] | 277 | int mNodeVizMode;
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[254] | 278 | /// number of video frames
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| 279 | int mNumVideoFrames;
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| 280 | /// the newly created object
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| 281 | SceneNode *mCurrentObject;
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[259] | 282 |
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| 283 | WalkthroughStats mWalkthroughStats;
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| 284 |
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[723] | 285 | /// visualization scale
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| 286 | float mVizScale;
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[259] | 287 |
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[723] | 288 | ////////////////////////////////////////////////////////////////////////
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| 289 |
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| 290 | /** HACK for recording demo:
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| 291 | 1) the walkthrough must be recorded.
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| 292 | 2) the walktrough must be replayed using the different options, e.g., CHC
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| 293 | with the mSavePrecomputedFps option. This saves the frame rates
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| 294 | for the different methods.
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| 295 | 3) the walkthrough must then be replayed with the mRecordDemo options turned on.
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| 296 | for the video recording we are using FRAPS.
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| 297 | */
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| 298 |
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| 299 | /// the currently interpolated FPS
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| 300 | float mPrecomputedFps;
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| 301 | /// saves the precomputed fps for the different methods.
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| 302 | bool mSavePrecomputedFps;
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| 303 | /// displayes the precomputed fps
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| 304 | bool mRecordDemo;
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| 305 |
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| 306 | ////////////////////////////////////////////////////////////////////////////
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| 307 |
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| 308 |
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[115] | 309 | OverlayElement *mAlgorithmInfo;
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| 310 | OverlayElement *mThresholdInfo;
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[146] | 311 | OverlayElement *mAssumedVisibilityInfo;
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[115] | 312 | OverlayElement *mFrustumCulledNodesInfo;
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| 313 | OverlayElement *mQueryCulledNodesInfo;
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| 314 | OverlayElement *mTraversedNodesInfo;
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| 315 | OverlayElement *mHierarchyNodesInfo;
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[155] | 316 | OverlayElement *mTestGeometryForVisibleLeavesInfo;
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[115] | 317 | OverlayElement *mUseDepthPassInfo;
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[343] | 318 | OverlayElement *mUseArbQueriesInfo;
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[115] | 319 | OverlayElement *mRenderedNodesInfo;
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[160] | 320 | OverlayElement *mObjectsCountInfo;
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[115] | 321 | OverlayElement *mQueriesIssuedInfo;
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[155] | 322 | OverlayElement *mDelayedQueriesIssuedInfo;
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| 323 | OverlayElement *mDelayedTraversedNodesInfo;
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[160] | 324 | OverlayElement *mCurrentObjectTypeInfo;
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[115] | 325 |
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[723] | 326 | OverlayElement *mMyStatsAlgorithmInfo;
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| 327 | OverlayElement *mMyStatsFpsInfo;
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| 328 |
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[135] | 329 | OverlayElement *mQueryTypeInfo;
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| 330 | OverlayElement *mQueryVisibleNodesInfo;
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[159] | 331 | OverlayElement *mQueryVisibleGeometryInfo;
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| 332 | OverlayElement *mQueryVisiblePatchInfo;
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| 333 |
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[135] | 334 | OverlayElement *mQueryVisiblityInfo;
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| 335 | OverlayElement *mQueryNodeVisibilityInfo;
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| 336 | OverlayElement *mQueryGeometryVisibilityInfo;
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[159] | 337 | OverlayElement *mQueryPatchVisibilityInfo;
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[161] | 338 | //OverlayElement *mHelpInfo;
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[135] | 339 |
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[115] | 340 | RayQueryExecutor *mRayQueryExecutor;
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| 341 | TerrainContentGenerator *mTerrainContentGenerator;
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| 342 |
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[155] | 343 | bool mTestGeometryForVisibleLeaves;
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[115] | 344 | bool mShowOctree;
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| 345 | bool mUseDepthPass;
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[343] | 346 | bool mUseArbQueries;
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[115] | 347 | bool mShowVisualization;
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| 348 | bool mCullCamera;
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[254] | 349 | bool mRecordFrames;
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[139] | 350 | bool mShowShadows;
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[120] | 351 | bool mVisualizeCulledNodes;
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| 352 | bool mShowHelp;
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| 353 | bool mStatsOn;
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[723] | 354 | bool mLMouseDown;
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| 355 | bool mRMouseDown; // True if the mouse buttons are down
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[120] | 356 | bool mShutdownRequested;
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| 357 | bool mDisplayCameraDetails;
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[159] | 358 | bool mUseItemBuffer;
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[161] | 359 | bool mUseAnimation;
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[174] | 360 |
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| 361 | int mItemBufferMode;
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[159] | 362 |
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[115] | 363 | Real mVizCameraHeight;
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| 364 |
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| 365 | Camera *mVizCamera;
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| 366 | SceneNode *mCamNode;
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| 367 |
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[254] | 368 | /// Per frame data stored for a walkthrough
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| 369 | FrameInfoContainer mFrameInfo;
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[723] | 370 | /// HACK for demo
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| 371 | FrameInfoContainer mPrecomputedFpsFrameInfo;
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[254] | 372 |
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[160] | 373 | Real mReplayTimeElapsed;
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[115] | 374 | //EventProcessor* mEventProcessor;
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| 375 | InputReader* mInputDevice;
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| 376 | Camera* mCamera;
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| 377 |
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| 378 | Vector3 mTranslateVector;
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| 379 | RenderWindow* mWindow;
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[120] | 380 |
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[115] | 381 | unsigned int mNumScreenShots;
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[120] | 382 | int mSceneDetailIndex;
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| 383 | int mAniso;
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| 384 |
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| 385 | float mMoveScale;
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[115] | 386 | Degree mRotScale;
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[164] | 387 |
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[115] | 388 | // just to stop toggles flipping too fast
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[120] | 389 | Real mTimeDelay;
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[115] | 390 | Radian mRotX, mRotY;
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| 391 | TextureFilterOptions mFiltering;
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[120] | 392 |
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| 393 | Real mMoveSpeed;
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[115] | 394 | Degree mRotateSpeed;
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[120] | 395 |
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| 396 | Overlay* mDebugOverlay;
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| 397 | Overlay* mHelpOverlay;
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| 398 | Overlay* mCullStatsOverlay;
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[135] | 399 | Overlay* mQueryOverlay;
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[723] | 400 | Overlay* mMyStatsOverlay;
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[121] | 401 |
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| 402 | Light *mSunLight;
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[130] | 403 | GtpVisibility::VisibilityManager *mVisibilityManager;
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| 404 | EventProcessor* mEventProcessor;
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| 405 |
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[133] | 406 | bool mShiftPressed;
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[135] | 407 | bool mShowQueryStats;
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[259] | 408 |
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[133] | 409 | //bool mUseBufferedInputKeys, mUseBufferedInputMouse, mInputTypeSwitchingOn;
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[151] | 410 | PlatformQueryManager *mQueryManager;
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[155] | 411 |
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| 412 | float mDelayedQueriesIssued;
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| 413 | float mDelayedTraversedNodes;
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[159] | 414 |
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[160] | 415 | int mCurrentObjectType;
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| 416 |
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[164] | 417 | bool mDeleteObjects;
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[254] | 418 | bool mRecordVideo;
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[164] | 419 |
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[254] | 420 | Timer *mTimer;
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| 421 | long mTimeFrameEnded;
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| 422 | long mTimeFrameStarted;
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| 423 | float mPureRenderTimeFps;
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[160] | 424 | TestCullingTerrainApplication *mApplication;
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[417] | 425 |
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| 426 | bool mUseBufferedInputMouse;
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[421] | 427 | Matrix4 rotMatrix;
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[115] | 428 | };
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| 429 |
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| 430 |
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[133] | 431 | #endif //_TerrainFrameListener_H__ |
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