1 | #ifndef _TerrainFrameListener_H__
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2 | #define _TerrainFrameListener_H__
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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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11 | #include "VisibilityManager.h"
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12 | #include "OgreTerrainContentGenerator.h"
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13 | #include "OgrePlatformQueryManager.h"
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14 |
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15 |
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16 | class TestCullingTerrainApplication;
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17 |
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18 |
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19 | using namespace Ogre;
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20 |
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21 |
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22 | /** Frame listener specialised for terrains.
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23 | */
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24 | class TerrainFrameListener: public FrameListener, public MouseListener,
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25 | public MouseMotionListener, public KeyListener
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26 | {
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27 | public:
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28 |
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29 | TerrainFrameListener(RenderWindow* win,
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30 | Camera* cam,
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31 | SceneManager *sceneManager,
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32 | CEGUI::Renderer *renderer,
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33 | TerrainContentGenerator *contentGenerator,
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34 | Camera *vizCamera,
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35 | SceneNode *camNode,
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36 | Light *sunLight,
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37 | TestCullingTerrainApplication *app);
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38 |
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39 | ~TerrainFrameListener();
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40 |
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41 |
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42 | bool frameStarted(const FrameEvent& evt);
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43 | bool frameEnded(const FrameEvent& evt);
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44 | //bool processUnbufferedKeyInput(const FrameEvent& evt);
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45 |
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46 |
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47 | /* MouseListener callbacks. */
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48 | virtual void mouseClicked(MouseEvent* e) { }
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49 | virtual void mouseEntered(MouseEvent* e) { }
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50 | virtual void mouseExited(MouseEvent* e) { }
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51 |
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52 | // This is when the mouse button goes DOWN.
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53 | void mousePressed(MouseEvent* e);
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54 |
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55 | // This is when the mouse button is let UP.
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56 | void mouseReleased(MouseEvent* e);
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57 |
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58 | /* MouseMotionListener callbacks */
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59 | void mouseMoved(MouseEvent *e);
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60 |
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61 | // This is when the mouse is clicked, held and dragged.
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62 | void mouseDragged(MouseEvent *e);
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63 |
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64 | void mouseDragDropped(MouseEvent *e);
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65 | void keyPressed(KeyEvent* e);
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66 |
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67 | void keyReleased(KeyEvent* e);
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68 | void keyClicked(KeyEvent* e);
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69 |
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70 | /** The information about camera position and orienation per frame.
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71 | */
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72 | typedef struct
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73 | {
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74 | Vector3 position;
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75 | Quaternion orientation;
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76 | Real timeElapsed;
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77 | } frame_info;
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78 |
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79 | enum {WALKTHROUGH, REPLAY, STATE_NUM};
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80 |
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81 | // visualization modes for scene nodes
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82 | enum {NODEVIZ_NONE, NODEVIZ_RENDER_NODES, NODEVIZ_RENDER_NODES_AND_CONTENT, NODEVIZ_MODES_NUM};
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83 | //enum {NODEVIZ_NONE, NODEVIZ_RENDER_GEOMETRY, NODEVIZ_MODES_NUM};
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84 |
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85 | void zoomVizCamera(int zoom);
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86 |
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87 | void addFrameInfo(SceneNode *camNode, Real timeElapsed);
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88 | void setCurrentFrameInfo(Real timeElapsed);
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89 |
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90 | void setAlgorithm(int algorithm);
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91 |
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92 | void moveCamera();
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93 |
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94 | void writeFrames();
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95 | void loadFrames();
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96 |
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97 |
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98 | // Constructor takes a RenderWindow because it uses that to determine input context
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99 | //ExampleFrameListener(RenderWindow* win, Camera* cam, bool useBufferedInputKeys = false, bool useBufferedInputMouse = false)
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100 |
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101 | bool processUnbufferedKeyInput(const FrameEvent& evt);
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102 | bool processUnbufferedMouseInput(const FrameEvent& evt);
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103 |
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104 | void showStats(bool show);
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105 |
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106 | void updateStats();
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107 |
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108 | void toggleShowHelp();
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109 | void toggleShowStats();
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110 |
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111 | void toggleShowShadows();
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112 | void toggleDisplayCameraDetails();
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113 | void takeScreenshot();
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114 | void nextSceneDetailLevel();
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115 | void nextFilter();
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116 | void nextAlgorithm();
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117 | void nextNodeVizMode();
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118 | void nextAppState();
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119 | void changeThreshold(int incr);
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120 | void changeAssumedVisibility(int incr);
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121 | void setTestGeometryForVisibleLeaves(bool testGeometryForVisibleLeaves);
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122 | void toggleShowOctree();
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123 | void toggleUseDepthPass();
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124 | void toggleShowViz();
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125 | void toggleRecord();
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126 |
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127 | /** Applies visibility query. Collects the visible objects
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128 | and their visibility information.
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129 | @param fromPoint if query should be from point or from camera
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130 | @param relativeVisibility if query should return number of visible pixels or
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131 | the ratio visible / projected pixels.
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132 | @param useItemBuffer if item buffer should be used or occlusion queries
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133 | */
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134 | void applyVisibilityQuery(bool fromPoint, bool relativeVisibility, bool useItemBuffer);
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135 |
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136 | void toggleShowQueryStats();
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137 |
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138 | /** Sets the type of the objects generated in the scene.
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139 | */
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140 | void setObjectType(int objectType);
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141 |
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142 | static String msAlgorithmCaptions[];
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143 | static String msQueryTypeCaptions[];
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144 | static String msQueryRelativeVisCaptions[];
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145 | static String msQueryMethodCaptions[];
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146 | static Real msObjectTerrainOffsets[];
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147 | static Real msObjectScales[];
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148 | static String msObjectCaptions[];
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149 |
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150 | protected:
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151 |
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152 | void initHelpOverlayElement(String name, int top);
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153 | void initOverlayElement(OverlayElement **elInfo, String ext, String name,
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154 | int top, String caption);
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155 |
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156 | //-- initialise overlays
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157 | void initHelpOverlay();
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158 | void initVisStatsOverlay();
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159 | void initQueryOverlay();
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160 |
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161 | void resetStats();
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162 |
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163 | SceneManager *mSceneMgr; // A pointer to the scene manager
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164 |
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165 | CEGUI::Renderer *mGUIRenderer; // cegui renderer
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166 |
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167 | int mCurrentAlgorithm;
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168 | int mVisibilityThreshold;
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169 | int mAssumedVisibility;
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170 | // the current frame number
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171 | int mCurrentFrame;
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172 | // the current application state
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173 | int mAppState;
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174 | // The number of objects on the screen
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175 | int mObjectCount;
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176 | // visualization mode
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177 | int mNodeVizMode;
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178 |
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179 | SceneNode *mCurrentObject; // the newly created object
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180 |
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181 | OverlayElement *mAlgorithmInfo;
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182 | OverlayElement *mThresholdInfo;
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183 | OverlayElement *mAssumedVisibilityInfo;
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184 | OverlayElement *mFrustumCulledNodesInfo;
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185 | OverlayElement *mQueryCulledNodesInfo;
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186 | OverlayElement *mTraversedNodesInfo;
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187 | OverlayElement *mHierarchyNodesInfo;
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188 | OverlayElement *mTestGeometryForVisibleLeavesInfo;
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189 | OverlayElement *mUseDepthPassInfo;
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190 | OverlayElement *mRenderedNodesInfo;
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191 | OverlayElement *mObjectsCountInfo;
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192 | OverlayElement *mQueriesIssuedInfo;
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193 | OverlayElement *mDelayedQueriesIssuedInfo;
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194 | OverlayElement *mDelayedTraversedNodesInfo;
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195 | OverlayElement *mCurrentObjectTypeInfo;
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196 |
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197 | OverlayElement *mQueryTypeInfo;
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198 | OverlayElement *mQueryVisibleNodesInfo;
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199 | OverlayElement *mQueryVisibleGeometryInfo;
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200 | OverlayElement *mQueryVisiblePatchInfo;
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201 |
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202 | OverlayElement *mQueryVisiblityInfo;
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203 | OverlayElement *mQueryNodeVisibilityInfo;
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204 | OverlayElement *mQueryGeometryVisibilityInfo;
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205 | OverlayElement *mQueryPatchVisibilityInfo;
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206 | //OverlayElement *mHelpInfo;
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207 |
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208 | RayQueryExecutor *mRayQueryExecutor;
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209 | TerrainContentGenerator *mTerrainContentGenerator;
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210 |
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211 | bool mTestGeometryForVisibleLeaves;
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212 | bool mShowOctree;
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213 | bool mUseDepthPass;
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214 | bool mShowVisualization;
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215 | bool mCullCamera;
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216 | bool mRecord;
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217 | bool mShowShadows;
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218 | bool mVisualizeCulledNodes;
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219 | bool mShowHelp;
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220 | bool mStatsOn;
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221 | bool mLMouseDown, mRMouseDown; // True if the mouse buttons are down
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222 | bool mShutdownRequested;
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223 | bool mDisplayCameraDetails;
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224 | bool mUseItemBuffer;
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225 | bool mUseAnimation;
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226 |
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227 | int mItemBufferMode;
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228 |
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229 | Real mVizCameraHeight;
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230 |
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231 | Camera *mVizCamera;
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232 | SceneNode *mCamNode;
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233 |
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234 | //std::deque<Vector3> mWalkList; // The list of points we are walking to
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235 | std::vector<frame_info> mFrameInfo;
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236 |
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237 | Real mReplayTimeElapsed;
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238 | //EventProcessor* mEventProcessor;
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239 | InputReader* mInputDevice;
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240 | Camera* mCamera;
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241 |
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242 | Vector3 mTranslateVector;
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243 | RenderWindow* mWindow;
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244 |
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245 | unsigned int mNumScreenShots;
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246 | int mSceneDetailIndex;
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247 | int mAniso;
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248 |
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249 | float mMoveScale;
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250 | Degree mRotScale;
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251 |
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252 | // just to stop toggles flipping too fast
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253 | Real mTimeDelay;
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254 | Radian mRotX, mRotY;
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255 | TextureFilterOptions mFiltering;
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256 |
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257 | Real mMoveSpeed;
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258 | Degree mRotateSpeed;
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259 |
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260 | Overlay* mDebugOverlay;
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261 | Overlay* mHelpOverlay;
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262 | Overlay* mCullStatsOverlay;
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263 | Overlay* mQueryOverlay;
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264 |
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265 | Light *mSunLight;
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266 | GtpVisibility::VisibilityManager *mVisibilityManager;
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267 | EventProcessor* mEventProcessor;
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268 |
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269 | bool mShiftPressed;
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270 | bool mShowQueryStats;
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271 |
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272 | unsigned long mAvgFps;
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273 | unsigned long mFrameCount;
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274 |
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275 | //bool mUseBufferedInputKeys, mUseBufferedInputMouse, mInputTypeSwitchingOn;
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276 | PlatformQueryManager *mQueryManager;
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277 |
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278 | float mDelayedQueriesIssued;
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279 | float mDelayedTraversedNodes;
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280 |
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281 | int mCurrentObjectType;
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282 |
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283 | bool mDeleteObjects;
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284 |
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285 | TestCullingTerrainApplication *mApplication;
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286 | };
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287 |
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288 |
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289 | #endif //_TerrainFrameListener_H__ |
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