[1163] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | You may use this sample code for anything you like, it is not covered by the
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| 11 | LGPL like the rest of the engine.
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| 12 | -----------------------------------------------------------------------------
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| 13 | */
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| 14 | /*
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| 15 | -----------------------------------------------------------------------------
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| 16 | Filename: ExampleFrameListener.h
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| 17 | Description: Defines an example frame listener which responds to frame events.
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| 18 | This frame listener just moves a specified camera around based on
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| 19 | keyboard and mouse movements.
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| 20 | Mouse: Freelook
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| 21 | W or Up: Forward
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| 22 | S or Down:Backward
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| 23 | A: Step left
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| 24 | D: Step right
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| 25 | PgUp: Move upwards
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| 26 | PgDown: Move downwards
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| 27 | F: Toggle frame rate stats on/off
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| 28 | R: Render mode
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| 29 | T: Cycle texture filtering
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| 30 | Bilinear, Trilinear, Anisotropic(8)
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| 31 | P: Toggle on/off display of camera position / orientation
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| 32 | -----------------------------------------------------------------------------
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| 33 | */
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| 34 |
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| 35 | #ifndef __KdTreeAppListener_H__
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| 36 | #define __KdTreeAppListener_H__
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| 37 |
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[1220] | 38 | #include <Ogre.h>
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| 39 | #include <OgreKeyEvent.h>
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| 40 | #include <OgreEventListeners.h>
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| 41 | #include <OgreStringConverter.h>
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| 42 | #include <OgreException.h>
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[1258] | 43 | #include <OgreTextAreaOverlayElement.h>
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[1163] | 44 |
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[1220] | 45 | #include <OgreKdTree.h>
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| 46 |
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| 47 | #define CONV_OCM_TO_KDT_ALG(i) (i == 0 ? 3 : i)
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| 48 | #define CONV_KDT_TO_OCM_ALG(i) (i % 3)
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[1187] | 49 | #define VIZ_VIEWPORT_Z_ORDER 10
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| 50 |
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[1273] | 51 | #define TERRAIN_SCENE "terrain"
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| 52 |
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[1163] | 53 | using namespace Ogre;
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| 54 |
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[1202] | 55 | struct FrameInfo
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| 56 | {
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| 57 | FrameInfo(Vector3 pos, Quaternion or, Real time):
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| 58 | mPosition(pos), mOrientation(or), mElapsedTime(time)
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| 59 | { }
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| 60 |
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| 61 | Vector3 mPosition;
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| 62 | Quaternion mOrientation;
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| 63 | Real mElapsedTime;
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| 64 | };
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| 65 |
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| 66 | typedef std::list<FrameInfo> FrameList;
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| 67 |
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[1163] | 68 | class KdTreeAppListener: public FrameListener, public KeyListener
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| 69 | {
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[1204] | 70 |
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| 71 | public:
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| 72 | // visualization modes for scene nodes
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| 73 | enum VizMode
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| 74 | {
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| 75 | NODEVIZ_NONE,
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| 76 | NODEVIZ_RENDER_NODES,
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| 77 | NODEVIZ_RENDER_NODES_AND_CONTENT,
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| 78 | NODEVIZ_MODES_NUM
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| 79 | };
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| 80 |
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[1220] | 81 | enum SceneMgr
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| 82 | {
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| 83 | SM_KDT,
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[1273] | 84 | SM_KTE,
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[1220] | 85 | SM_OCM,
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| 86 | SM_OCT,
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[1273] | 87 | SM_TER,
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[1220] | 88 | SM_GEN,
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| 89 | SM_SIZE,
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| 90 | SM_NOTSET
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| 91 | };
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| 92 |
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[1211] | 93 | enum ShowTree
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| 94 | {
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| 95 | SHOWTREE_OFF,
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| 96 | SHOWTREE_HILITE,
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| 97 | SHOWTREE_ALL,
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| 98 | SHOWTREE_MODES_NUM
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| 99 | };
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| 100 |
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[1204] | 101 | enum AppState
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| 102 | {
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| 103 | AS_NORMAL,
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| 104 | AS_RECORD,
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| 105 | AS_PLAYBACK
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| 106 | };
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| 107 |
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| 108 | struct Options
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| 109 | {
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| 110 | Options():
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| 111 | mRotateSpeed(36.0f),
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| 112 | mMoveSpeed(100.0f),
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| 113 | mRotationPeriod(30.0f),
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| 114 | mKT(2.0f),
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| 115 | mKI(1.0f),
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[1220] | 116 | mMaxDepth(12),
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| 117 | mSceneManager(SM_KDT),
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| 118 | mRenderMethod(KdTree::KDRM_GTP_CHC),
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| 119 | mBuildMethod(KdTree::KDBM_PRIORITYQUEUE),
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| 120 | mDemoMode(false),
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[1250] | 121 | mEnhancedVisibility(false),
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| 122 | mDemoInterval(1.0f)
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[1204] | 123 | {
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| 124 |
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| 125 | }
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| 126 |
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[1273] | 127 | String mSceneFiles;
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[1204] | 128 | String mDemoInfileName;
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| 129 | String mDemoOutfileName;
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| 130 | String mDemoLogfileName;
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[1220] | 131 | String mComment;
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[1204] | 132 | Degree mRotateSpeed;
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| 133 | Real mMoveSpeed;
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| 134 | Real mRotationPeriod;
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| 135 | Real mKT;
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| 136 | Real mKI;
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[1220] | 137 | int mMaxDepth;
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| 138 | int mSceneManager;
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| 139 | int mRenderMethod;
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| 140 | int mBuildMethod;
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| 141 | bool mDemoMode;
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| 142 | bool mEnhancedVisibility;
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[1250] | 143 | Real mDemoInterval;
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[1204] | 144 | };
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| 145 |
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[1250] | 146 | struct DemoStats
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| 147 | {
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| 148 | unsigned int mTotalNumFrames;
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| 149 | unsigned int mNumFrames;
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| 150 | Real mTotalEllapsedTime;
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| 151 | Real mEllapsedTime;
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| 152 | } mDemoStats;
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| 153 |
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[1204] | 154 | // Constructor takes a RenderWindow because it uses that to determine input context
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| 155 | KdTreeAppListener(RenderWindow* win, SceneManager* sm, const Options& options,
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| 156 | bool useBufferedInputKeys = false, bool useBufferedInputMouse = false);
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| 157 |
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[1211] | 158 | virtual ~KdTreeAppListener(void);
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[1204] | 159 |
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| 160 | void initOverlayElement(OverlayElement **elInfo, String ext,
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| 161 | String name, int top, String caption);
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| 162 |
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[1211] | 163 | void initStatsOverlay(void);
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[1204] | 164 |
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[1211] | 165 | void initKdTreeOverlay(void);
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[1204] | 166 |
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| 167 | void showDebugOverlay(bool show);
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| 168 |
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[1211] | 169 | void toggleVizCamera(void);
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[1204] | 170 |
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[1211] | 171 | void toggleShowBoxes(void);
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| 172 |
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| 173 | void toggleEnhancedVisibility(void);
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| 174 |
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| 175 | void toggleBuildMethod(void);
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| 176 |
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| 177 | void toggleRenderMethod(void);
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| 178 |
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[1204] | 179 | virtual bool processUnbufferedKeyInput(const FrameEvent& evt);
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| 180 |
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| 181 | bool processUnbufferedMouseInput(const FrameEvent& evt);
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| 182 |
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[1211] | 183 | void moveCamera(void);
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[1204] | 184 |
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| 185 | // Override frameStarted event to process that (don't care about frameEnded)
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| 186 | bool frameStarted(const FrameEvent& evt);
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| 187 |
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| 188 | bool frameEnded(const FrameEvent& evt);
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| 189 |
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[1211] | 190 | void switchMouseMode(void);
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[1204] | 191 |
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[1211] | 192 | void switchKeyMode(void);
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[1204] | 193 |
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| 194 | void keyClicked(KeyEvent* e);
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| 195 |
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| 196 | void keyPressed(KeyEvent* e) {};
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| 197 | void keyReleased(KeyEvent* e) {};
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| 198 |
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[1220] | 199 | const static Real DEMO_WAIT;
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[1211] | 200 | const static String NA;
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[1220] | 201 | const static String RENDERMETHOD[];
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| 202 | const static String RENDERMETHODCAPTION[];
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| 203 | const static String BUILDMETHOD[];
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| 204 | const static String BUILDMETHODCAPTION[];
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| 205 | const static String SCENEMANAGER[];
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| 206 | const static String SCENEMANAGERNAME[];
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[1163] | 207 | protected:
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[1204] | 208 | // basic
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| 209 | RenderWindow* mWindow;
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| 210 | SceneManager *mSceneMgr;
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| 211 | Options mOptions;
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| 212 | bool mUseBufferedInputKeys, mUseBufferedInputMouse, mInputTypeSwitchingOn;
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| 213 |
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| 214 | // elements
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| 215 | SceneNode *mCamNode;
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| 216 | Camera* mCamera;
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| 217 | Camera* mTopCam;
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| 218 |
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| 219 | // toggle
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| 220 | bool mStatsOn;
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| 221 |
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| 222 | bool mVizCamera;
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[1170] | 223 | bool mFreeMove;
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[1195] | 224 | bool mTopCamFollow;
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[1163] | 225 |
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[1211] | 226 | int mShowTree;
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| 227 |
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[1204] | 228 | // counters
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| 229 | int mSeqNum;
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| 230 | unsigned int mNumScreenShots;
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| 231 |
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| 232 | // rendering/texture options
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| 233 | int mSceneDetailIndex;
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| 234 | TextureFilterOptions mFiltering;
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| 235 | int mAniso;
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| 236 |
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| 237 | // chc stats
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[1183] | 238 | Real mDelayedQueriesIssued;
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| 239 | Real mDelayedTraversedNodes;
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| 240 |
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[1204] | 241 | // overlays
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| 242 | Overlay *mDemoOverlay;
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| 243 | Overlay *mDebugOverlay;
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| 244 | Overlay *mKdTreeOverlay;
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[1163] | 245 |
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[1204] | 246 | OverlayElement *mDemoStatus;
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[1258] | 247 | TextAreaOverlayElement *mDemoTime;
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[1183] | 248 |
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[1211] | 249 |
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| 250 | OverlayElement *mRenderMethodInfo;
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| 251 | OverlayElement *mEnhancedVisInfo;
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| 252 | OverlayElement *mBuildMethodInfo;
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[1183] | 253 | OverlayElement *mKdTreeMaxDepthInfo;
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[1211] | 254 | OverlayElement *mHighlightLevelInfo;
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[1183] | 255 | OverlayElement *mKTInfo;
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| 256 | OverlayElement *mKIInfo;
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| 257 | OverlayElement *mMovementInfo;
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[1195] | 258 | OverlayElement *mTopCamInfo;
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[1183] | 259 |
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| 260 | OverlayElement *mFrustumCulledNodesInfo;
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| 261 | OverlayElement *mQueryCulledNodesInfo;
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| 262 | OverlayElement *mTraversedNodesInfo;
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| 263 | OverlayElement *mHierarchyNodesInfo;
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| 264 | OverlayElement *mRenderedNodesInfo;
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| 265 | OverlayElement *mObjectsCountInfo;
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| 266 | OverlayElement *mQueriesIssuedInfo;
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| 267 |
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[1204] | 268 | // input
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[1187] | 269 | EventProcessor* mEventProcessor;
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| 270 | InputReader* mInputDevice;
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[1183] | 271 |
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[1204] | 272 | // movement
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[1187] | 273 | Vector3 mTranslateVector;
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[1204] | 274 | Vector3 mVizCamTransVect;
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| 275 | Radian mRotX, mRotY;
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[1187] | 276 | float mMoveScale;
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| 277 | Degree mRotScale;
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[1204] | 278 | Radian mDeathAngle;
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[1273] | 279 | // for terrain
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| 280 | RaySceneQuery *mRaySceneQuery;
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[1204] | 281 |
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[1187] | 282 | // just to stop toggles flipping too fast
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| 283 | Real mTimeUntilNextToggle ;
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[1163] | 284 |
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[1195] | 285 | // stuff for walkthrough recording/playback
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[1204] | 286 | //std::ofstream mDemoFramesLog;
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| 287 | std::list<Real> mDemoFPS;
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| 288 | Real mTimeUntilNextLogWrite;
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[1195] | 289 | FrameList mFrameList;
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[1200] | 290 | FrameList::iterator mCurrFrame;
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| 291 | Real mTimeRemaining;
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[1204] | 292 | Real mWaitBeforeDemoStart;
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[1195] | 293 |
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| 294 | AppState mAppState;
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| 295 |
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[1202] | 296 | void setDemoOverlay();
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| 297 |
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[1195] | 298 | void toggleRecord();
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| 299 | void togglePlayback();
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[1200] | 300 |
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[1205] | 301 | /** write FPS stats to log file (csv) **/
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| 302 | void saveLog();
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| 303 |
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[1195] | 304 | void saveFrameInfo(Real elapsedTime);
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[1204] | 305 |
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[1202] | 306 | /** save demo frame data to file **/
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| 307 | static void saveFrames(const String& filename, FrameList& framelist);
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| 308 | static void saveFramesAscii(const String& filename, FrameList& framelist);
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| 309 | static void saveFramesBinary(const String& filename, FrameList& framelist);
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[1195] | 310 |
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[1202] | 311 | /** load demo frame data from file **/
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| 312 | static void loadFrames(const String& filename, FrameList& framelist);
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| 313 | static void loadFramesAscii(const String& filename, FrameList& framelist);
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| 314 | static void loadFramesBinary(const String& filename, FrameList& framelist);
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[1200] | 315 |
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[1204] | 316 | void updateStats(void);
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[1163] | 317 | };
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| 318 |
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| 319 | #endif
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| 320 |
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