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) 2000-2006 Torus Knot Software Ltd |
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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 | \file |
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17 | Compositor.cpp |
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18 | \brief |
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19 | Shows OGRE's Compositor feature |
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20 | \author |
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21 | W.J. :wumpus: van der Laan |
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22 | Ogre composition framework |
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23 | Manuel Bua |
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24 | Postfilter ideas and original out-of-core implementation |
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25 | Jeff (nfz) Doyle |
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26 | added gui framework to demo |
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27 | */ |
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28 | |
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29 | #include <Ogre.h> |
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30 | |
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31 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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32 | #define WIN32_LEAN_AND_MEAN |
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33 | #include "windows.h" |
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34 | #endif |
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35 | |
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36 | |
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37 | #include "Compositor.h" |
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38 | #include "CompositorDemo_FrameListener.h" |
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39 | |
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40 | /********************************************************************** |
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41 | OS X Specific Resource Location Finding |
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42 | **********************************************************************/ |
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43 | #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE |
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44 | |
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45 | Ogre::String bundlePath() |
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46 | { |
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47 | char path[1024]; |
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48 | CFBundleRef mainBundle = CFBundleGetMainBundle(); |
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49 | assert(mainBundle); |
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50 | |
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51 | CFURLRef mainBundleURL = CFBundleCopyBundleURL( mainBundle); |
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52 | assert(mainBundleURL); |
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53 | |
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54 | CFStringRef cfStringRef = CFURLCopyFileSystemPath( mainBundleURL, kCFURLPOSIXPathStyle); |
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55 | assert(cfStringRef); |
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56 | |
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57 | CFStringGetCString(cfStringRef, path, 1024, kCFStringEncodingASCII); |
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58 | |
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59 | CFRelease(mainBundleURL); |
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60 | CFRelease(cfStringRef); |
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61 | |
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62 | return Ogre::String(path); |
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63 | } |
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64 | |
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65 | #endif |
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66 | |
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67 | /************************************************************************* |
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68 | CompositorDemo Methods |
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69 | *************************************************************************/ |
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70 | CompositorDemo::~CompositorDemo() |
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71 | { |
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72 | delete mGUISystem; |
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73 | delete mGUIRenderer; |
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74 | delete mFrameListener; |
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75 | |
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76 | delete mRoot; |
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77 | } |
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78 | |
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79 | //-------------------------------------------------------------------------- |
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80 | void CompositorDemo::go(void) |
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81 | { |
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82 | if (!setup()) |
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83 | return; |
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84 | |
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85 | mRoot->startRendering(); |
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86 | } |
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87 | |
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88 | //-------------------------------------------------------------------------- |
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89 | bool CompositorDemo::setup(void) |
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90 | { |
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91 | #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE |
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92 | Ogre::String mResourcePath; |
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93 | mResourcePath = bundlePath() + "/Contents/Resources/"; |
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94 | mRoot = new Ogre::Root(mResourcePath + "plugins.cfg", |
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95 | mResourcePath + "ogre.cfg", mResourcePath + "Ogre.log"); |
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96 | #else |
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97 | |
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98 | mRoot = new Ogre::Root(); |
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99 | |
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100 | #endif |
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101 | |
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102 | setupResources(); |
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103 | bool carryOn = configure(); |
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104 | if (!carryOn) return false; |
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105 | |
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106 | chooseSceneManager(); |
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107 | createCamera(); |
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108 | createViewports(); |
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109 | |
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110 | // Set default mipmap level (NB some APIs ignore this) |
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111 | Ogre::TextureManager::getSingleton().setDefaultNumMipmaps(5); |
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112 | loadResources(); |
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113 | |
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114 | // Create the scene |
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115 | createScene(); |
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116 | |
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117 | createFrameListener(); |
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118 | |
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119 | // load some GUI stuff for demo. |
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120 | //loadAllMaterialControlFiles(mMaterialControlsContainer); |
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121 | |
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122 | return true; |
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123 | |
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124 | } |
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125 | |
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126 | //-------------------------------------------------------------------------- |
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127 | bool CompositorDemo::configure(void) |
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128 | { |
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129 | // Show the configuration dialog and initialise the system |
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130 | // You can skip this and use root.restoreConfig() to load configuration |
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131 | // settings if you were sure there are valid ones saved in ogre.cfg |
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132 | if(mRoot->showConfigDialog()) |
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133 | { |
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134 | // If returned true, user clicked OK so initialise |
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135 | // Here we choose to let the system create a default rendering window by passing 'true' |
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136 | mWindow = mRoot->initialise(true); |
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137 | return true; |
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138 | } |
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139 | else |
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140 | { |
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141 | return false; |
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142 | } |
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143 | } |
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144 | |
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145 | //-------------------------------------------------------------------------- |
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146 | void CompositorDemo::chooseSceneManager(void) |
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147 | { |
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148 | // Get the SceneManager, in this case a generic one |
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149 | mSceneMgr = mRoot->createSceneManager(Ogre::ST_GENERIC, "ExampleSMInstance"); |
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150 | } |
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151 | |
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152 | //-------------------------------------------------------------------------- |
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153 | void CompositorDemo::createCamera(void) |
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154 | { |
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155 | // Create the camera |
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156 | mCamera = mSceneMgr->createCamera("PlayerCam"); |
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157 | |
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158 | // Position it at 500 in Z direction |
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159 | mCamera->setPosition(Ogre::Vector3(0,0,0)); |
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160 | // Look back along -Z |
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161 | mCamera->lookAt(Ogre::Vector3(0,0,-300)); |
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162 | mCamera->setNearClipDistance(1); |
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163 | |
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164 | } |
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165 | |
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166 | //-------------------------------------------------------------------------- |
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167 | void CompositorDemo::createViewports(void) |
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168 | { |
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169 | // Create one viewport, entire window |
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170 | Ogre::Viewport* vp = mWindow->addViewport(mCamera); |
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171 | vp->setBackgroundColour(Ogre::ColourValue(0,0,0)); |
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172 | |
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173 | // Alter the camera aspect ratio to match the viewport |
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174 | mCamera->setAspectRatio( |
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175 | Ogre::Real(vp->getActualWidth()) / Ogre::Real(vp->getActualHeight())); |
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176 | } |
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177 | |
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178 | //-------------------------------------------------------------------------- |
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179 | void CompositorDemo::setupResources(void) |
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180 | { |
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181 | // Load resource paths from config file |
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182 | Ogre::ConfigFile cf; |
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183 | |
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184 | #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE |
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185 | Ogre::String mResourcePath; |
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186 | mResourcePath = bundlePath() + "/Contents/Resources/"; |
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187 | cf.load(mResourcePath + "resources.cfg"); |
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188 | #else |
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189 | |
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190 | cf.load("resources.cfg"); |
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191 | |
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192 | #endif |
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193 | |
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194 | // Go through all sections & settings in the file |
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195 | Ogre::ConfigFile::SectionIterator seci = cf.getSectionIterator(); |
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196 | |
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197 | Ogre::String secName, typeName, archName; |
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198 | while (seci.hasMoreElements()) |
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199 | { |
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200 | secName = seci.peekNextKey(); |
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201 | Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext(); |
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202 | Ogre::ConfigFile::SettingsMultiMap::iterator i; |
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203 | for (i = settings->begin(); i != settings->end(); ++i) |
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204 | { |
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205 | typeName = i->first; |
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206 | archName = i->second; |
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207 | #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE |
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208 | // OS X does not set the working directory relative to the app, |
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209 | // In order to make things portable on OS X we need to provide |
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210 | // the loading with it's own bundle path location |
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211 | Ogre::ResourceGroupManager::getSingleton().addResourceLocation( |
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212 | Ogre::String(bundlePath() + "/" + archName), typeName, secName); |
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213 | #else |
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214 | Ogre::ResourceGroupManager::getSingleton().addResourceLocation( |
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215 | archName, typeName, secName); |
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216 | #endif |
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217 | |
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218 | } |
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219 | } |
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220 | |
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221 | Ogre::LogManager::getSingleton().logMessage( "Resource directories setup" ); |
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222 | |
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223 | } |
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224 | |
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225 | //----------------------------------------------------------------------------------- |
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226 | void CompositorDemo::loadResources(void) |
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227 | { |
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228 | // Initialise, parse all scripts etc |
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229 | Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); |
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230 | |
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231 | } |
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232 | |
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233 | //----------------------------------------------------------------------------------- |
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234 | void CompositorDemo::createScene(void) |
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235 | { |
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236 | mSceneMgr->setShadowTechnique(Ogre::SHADOWTYPE_TEXTURE_MODULATIVE); |
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237 | mSceneMgr->setShadowFarDistance(1000); |
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238 | // setup GUI system |
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239 | mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY, false, 3000, mSceneMgr); |
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240 | // load scheme and set up defaults |
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241 | mGUISystem = new CEGUI::System(mGUIRenderer, (CEGUI::ResourceProvider *)0, (CEGUI::XMLParser*)0, |
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242 | (CEGUI::ScriptModule*)0, (CEGUI::utf8*)"CompositorDemoCegui.config"); |
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243 | CEGUI::System::getSingleton().setDefaultMouseCursor("TaharezLook", "MouseArrow"); |
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244 | |
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245 | Ogre::MovableObject::setDefaultVisibilityFlags(0x00000001); |
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246 | |
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247 | // Set ambient light |
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248 | mSceneMgr->setAmbientLight(Ogre::ColourValue(0.3, 0.3, 0.2)); |
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249 | |
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250 | Ogre::Light* l = mSceneMgr->createLight("Light2"); |
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251 | Ogre::Vector3 dir(-1,-1,0); |
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252 | dir.normalise(); |
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253 | l->setType(Ogre::Light::LT_DIRECTIONAL); |
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254 | l->setDirection(dir); |
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255 | l->setDiffuseColour(1, 1, 0.8); |
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256 | l->setSpecularColour(1, 1, 1); |
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257 | |
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258 | |
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259 | Ogre::Entity* pEnt; |
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260 | |
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261 | // House |
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262 | pEnt = mSceneMgr->createEntity( "1", "tudorhouse.mesh" ); |
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263 | Ogre::SceneNode* n1 = mSceneMgr->getRootSceneNode()->createChildSceneNode(Ogre::Vector3(350, 450, -200)); |
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264 | n1->attachObject( pEnt ); |
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265 | |
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266 | pEnt = mSceneMgr->createEntity( "2", "tudorhouse.mesh" ); |
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267 | Ogre::SceneNode* n2 = mSceneMgr->getRootSceneNode()->createChildSceneNode(Ogre::Vector3(-350, 450, -200)); |
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268 | n2->attachObject( pEnt ); |
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269 | |
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270 | pEnt = mSceneMgr->createEntity( "3", "knot.mesh" ); |
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271 | mSpinny = mSceneMgr->getRootSceneNode()->createChildSceneNode(Ogre::Vector3(0, 0, 300)); |
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272 | mSpinny->attachObject( pEnt ); |
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273 | pEnt->setMaterialName("Examples/MorningCubeMap"); |
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274 | |
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275 | mSceneMgr->setSkyBox(true, "Examples/MorningSkyBox"); |
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276 | |
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277 | |
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278 | Ogre::Plane plane; |
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279 | plane.normal = Ogre::Vector3::UNIT_Y; |
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280 | plane.d = 100; |
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281 | Ogre::MeshManager::getSingleton().createPlane("Myplane", |
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282 | Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, plane, |
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283 | 1500, 1500, 10, 10, true, 1, 5, 5, Ogre::Vector3::UNIT_Z); |
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284 | Ogre::Entity* pPlaneEnt = mSceneMgr->createEntity( "plane", "Myplane" ); |
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285 | pPlaneEnt->setMaterialName("Examples/Rockwall"); |
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286 | pPlaneEnt->setCastShadows(false); |
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287 | mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(pPlaneEnt); |
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288 | |
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289 | mCamera->setPosition(-400, 50, 900); |
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290 | mCamera->lookAt(0,80,0); |
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291 | |
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292 | connectEventHandlers(); |
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293 | /// Create a couple of hard coded postfilter effects as an example of how to do it |
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294 | /// but the preferred method is to use compositor scripts. |
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295 | createEffects(); |
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296 | } |
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297 | //----------------------------------------------------------------------------------- |
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298 | void CompositorDemo::createFrameListener(void) |
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299 | { |
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300 | mFrameListener = new CompositorDemo_FrameListener(this); |
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301 | mFrameListener->setSpinningNode(mSpinny); |
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302 | |
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303 | } |
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304 | //-------------------------------------------------------------------------- |
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305 | void CompositorDemo::connectEventHandlers(void) |
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306 | { |
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307 | CEGUI::WindowManager::getSingleton().getWindow("ExitDemoBtn")-> |
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308 | subscribeEvent(CEGUI::PushButton::EventClicked, CEGUI::Event::Subscriber(&CompositorDemo::handleQuit, this)); |
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309 | } |
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310 | |
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311 | //----------------------------------------------------------------------------------- |
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312 | /// Create the hard coded postfilter effects |
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313 | void CompositorDemo::createEffects(void) |
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314 | { |
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315 | // Bloom compositor is loaded from script but here is the hard coded equivalent |
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316 | // CompositorPtr comp = CompositorManager::getSingleton().create( |
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317 | // "Bloom", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME |
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318 | // ); |
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319 | // { |
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320 | // CompositionTechnique *t = comp->createTechnique(); |
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321 | // { |
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322 | // CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("rt0"); |
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323 | // def->width = 128; |
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324 | // def->height = 128; |
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325 | // def->format = PF_A8R8G8B8; |
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326 | // } |
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327 | // { |
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328 | // CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("rt1"); |
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329 | // def->width = 128; |
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330 | // def->height = 128; |
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331 | // def->format = PF_A8R8G8B8; |
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332 | // } |
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333 | // { |
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334 | // CompositionTargetPass *tp = t->createTargetPass(); |
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335 | // tp->setInputMode(CompositionTargetPass::IM_PREVIOUS); |
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336 | // tp->setOutputName("rt1"); |
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337 | // } |
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338 | // { |
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339 | // CompositionTargetPass *tp = t->createTargetPass(); |
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340 | // tp->setInputMode(CompositionTargetPass::IM_NONE); |
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341 | // tp->setOutputName("rt0"); |
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342 | // CompositionPass *pass = tp->createPass(); |
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343 | // pass->setType(CompositionPass::PT_RENDERQUAD); |
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344 | // pass->setMaterialName("Ogre/Compositor/Blur0"); |
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345 | // pass->setInput(0, "rt1"); |
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346 | // } |
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347 | // { |
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348 | // CompositionTargetPass *tp = t->createTargetPass(); |
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349 | // tp->setInputMode(CompositionTargetPass::IM_NONE); |
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350 | // tp->setOutputName("rt1"); |
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351 | // CompositionPass *pass = tp->createPass(); |
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352 | // pass->setType(CompositionPass::PT_RENDERQUAD); |
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353 | // pass->setMaterialName("Ogre/Compositor/Blur1"); |
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354 | // pass->setInput(0, "rt0"); |
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355 | // } |
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356 | // { |
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357 | // CompositionTargetPass *tp = t->getOutputTargetPass(); |
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358 | // tp->setInputMode(CompositionTargetPass::IM_PREVIOUS); |
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359 | // { CompositionPass *pass = tp->createPass(); |
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360 | // pass->setType(CompositionPass::PT_RENDERQUAD); |
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361 | // pass->setMaterialName("Ogre/Compositor/BloomBlend"); |
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362 | // pass->setInput(0, "rt1"); |
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363 | // } |
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364 | // } |
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365 | // } |
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366 | // Glass compositor is loaded from script but here is the hard coded equivalent |
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367 | /// Glass effect |
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368 | // CompositorPtr comp2 = CompositorManager::getSingleton().create( |
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369 | // "Glass", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME |
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370 | // ); |
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371 | // { |
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372 | // CompositionTechnique *t = comp2->createTechnique(); |
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373 | // { |
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374 | // CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("rt0"); |
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375 | // def->width = 0; |
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376 | // def->height = 0; |
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377 | // def->format = PF_R8G8B8; |
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378 | // } |
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379 | // { |
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380 | // CompositionTargetPass *tp = t->createTargetPass(); |
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381 | // tp->setInputMode(CompositionTargetPass::IM_PREVIOUS); |
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382 | // tp->setOutputName("rt0"); |
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383 | // } |
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384 | // { |
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385 | // CompositionTargetPass *tp = t->getOutputTargetPass(); |
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386 | // tp->setInputMode(CompositionTargetPass::IM_NONE); |
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387 | // { CompositionPass *pass = tp->createPass(); |
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388 | // pass->setType(CompositionPass::PT_RENDERQUAD); |
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389 | // pass->setMaterialName("Ogre/Compositor/GlassPass"); |
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390 | // pass->setInput(0, "rt0"); |
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391 | // } |
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392 | // } |
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393 | // } |
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394 | /// Motion blur effect |
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395 | Ogre::CompositorPtr comp3 = Ogre::CompositorManager::getSingleton().create( |
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396 | "Motion Blur", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME |
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397 | ); |
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398 | { |
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399 | Ogre::CompositionTechnique *t = comp3->createTechnique(); |
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400 | { |
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401 | Ogre::CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("scene"); |
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402 | def->width = 0; |
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403 | def->height = 0; |
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404 | def->format = Ogre::PF_R8G8B8; |
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405 | } |
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406 | { |
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407 | Ogre::CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("sum"); |
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408 | def->width = 0; |
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409 | def->height = 0; |
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410 | def->format = Ogre::PF_R8G8B8; |
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411 | } |
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412 | { |
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413 | Ogre::CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("temp"); |
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414 | def->width = 0; |
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415 | def->height = 0; |
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416 | def->format = Ogre::PF_R8G8B8; |
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417 | } |
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418 | /// Render scene |
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419 | { |
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420 | Ogre::CompositionTargetPass *tp = t->createTargetPass(); |
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421 | tp->setInputMode(Ogre::CompositionTargetPass::IM_PREVIOUS); |
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422 | tp->setOutputName("scene"); |
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423 | } |
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424 | /// Initialisation pass for sum texture |
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425 | { |
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426 | Ogre::CompositionTargetPass *tp = t->createTargetPass(); |
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427 | tp->setInputMode(Ogre::CompositionTargetPass::IM_PREVIOUS); |
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428 | tp->setOutputName("sum"); |
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429 | tp->setOnlyInitial(true); |
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430 | } |
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431 | /// Do the motion blur |
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432 | { |
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433 | Ogre::CompositionTargetPass *tp = t->createTargetPass(); |
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434 | tp->setInputMode(Ogre::CompositionTargetPass::IM_NONE); |
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435 | tp->setOutputName("temp"); |
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436 | { Ogre::CompositionPass *pass = tp->createPass(); |
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437 | pass->setType(Ogre::CompositionPass::PT_RENDERQUAD); |
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438 | pass->setMaterialName("Ogre/Compositor/Combine"); |
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439 | pass->setInput(0, "scene"); |
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440 | pass->setInput(1, "sum"); |
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441 | } |
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442 | } |
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443 | /// Copy back sum texture |
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444 | { |
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445 | Ogre::CompositionTargetPass *tp = t->createTargetPass(); |
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446 | tp->setInputMode(Ogre::CompositionTargetPass::IM_NONE); |
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447 | tp->setOutputName("sum"); |
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448 | { Ogre::CompositionPass *pass = tp->createPass(); |
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449 | pass->setType(Ogre::CompositionPass::PT_RENDERQUAD); |
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450 | pass->setMaterialName("Ogre/Compositor/Copyback"); |
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451 | pass->setInput(0, "temp"); |
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452 | } |
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453 | } |
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454 | /// Display result |
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455 | { |
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456 | Ogre::CompositionTargetPass *tp = t->getOutputTargetPass(); |
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457 | tp->setInputMode(Ogre::CompositionTargetPass::IM_NONE); |
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458 | { Ogre::CompositionPass *pass = tp->createPass(); |
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459 | pass->setType(Ogre::CompositionPass::PT_RENDERQUAD); |
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460 | pass->setMaterialName("Ogre/Compositor/MotionBlur"); |
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461 | pass->setInput(0, "sum"); |
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462 | } |
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463 | } |
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464 | } |
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465 | /// Heat vision effect |
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466 | Ogre::CompositorPtr comp4 = Ogre::CompositorManager::getSingleton().create( |
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467 | "Heat Vision", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME |
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468 | ); |
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469 | { |
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470 | Ogre::CompositionTechnique *t = comp4->createTechnique(); |
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471 | { |
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472 | Ogre::CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("scene"); |
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473 | def->width = 256; |
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474 | def->height = 256; |
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475 | def->format = Ogre::PF_R8G8B8; |
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476 | } |
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477 | { |
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478 | Ogre::CompositionTechnique::TextureDefinition *def = t->createTextureDefinition("temp"); |
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479 | def->width = 256; |
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480 | def->height = 256; |
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481 | def->format = Ogre::PF_R8G8B8; |
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482 | } |
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483 | /// Render scene |
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484 | { |
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485 | Ogre::CompositionTargetPass *tp = t->createTargetPass(); |
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486 | tp->setInputMode(Ogre::CompositionTargetPass::IM_PREVIOUS); |
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487 | tp->setOutputName("scene"); |
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488 | } |
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489 | /// Light to heat pass |
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490 | { |
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491 | Ogre::CompositionTargetPass *tp = t->createTargetPass(); |
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492 | tp->setInputMode(Ogre::CompositionTargetPass::IM_NONE); |
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493 | tp->setOutputName("temp"); |
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494 | { |
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495 | Ogre::CompositionPass *pass = tp->createPass(); |
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496 | pass->setType(Ogre::CompositionPass::PT_RENDERQUAD); |
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497 | pass->setIdentifier(0xDEADBABE); /// Identify pass for use in listener |
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498 | pass->setMaterialName("Fury/HeatVision/LightToHeat"); |
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499 | pass->setInput(0, "scene"); |
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500 | } |
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501 | } |
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502 | /// Display result |
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503 | { |
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504 | Ogre::CompositionTargetPass *tp = t->getOutputTargetPass(); |
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505 | tp->setInputMode(Ogre::CompositionTargetPass::IM_NONE); |
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506 | { |
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507 | Ogre::CompositionPass *pass = tp->createPass(); |
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508 | pass->setType(Ogre::CompositionPass::PT_RENDERQUAD); |
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509 | pass->setMaterialName("Fury/HeatVision/Blur"); |
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510 | pass->setInput(0, "temp"); |
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511 | } |
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512 | } |
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513 | } |
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514 | } |
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515 | //-------------------------------------------------------------------------- |
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516 | bool CompositorDemo::handleQuit(const CEGUI::EventArgs& e) |
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517 | { |
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518 | mRoot->queueEndRendering(); |
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519 | return true; |
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520 | } |
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521 | |
---|
522 | |
---|
523 | #ifdef __cplusplus |
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524 | extern "C" { |
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525 | #endif |
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526 | |
---|
527 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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528 | INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT ) |
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529 | #else |
---|
530 | int main(int argc, char *argv[]) |
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531 | #endif |
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532 | { |
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533 | // Create application object |
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534 | CompositorDemo app; |
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535 | |
---|
536 | try { |
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537 | app.go(); |
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538 | } catch( Ogre::Exception& e ) { |
---|
539 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
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540 | MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL); |
---|
541 | #else |
---|
542 | std::cerr << "An exception has occured: " << e.getFullDescription(); |
---|
543 | #endif |
---|
544 | } |
---|
545 | |
---|
546 | |
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547 | return 0; |
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548 | } |
---|
549 | |
---|
550 | #ifdef __cplusplus |
---|
551 | } |
---|
552 | #endif |
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