Ogre::Root* OgreSetup::createOgreSystem() {
ConfigService& configSrv(EmberServices::getSingleton().getConfigService());
if (!configSrv.getPrefix().empty()) {
//We need to set the current directory to the prefix before trying to load Ogre.
//The reason for this is that Ogre loads a lot of dynamic modules, and in some build configuration
//(like AppImage) the lookup path for some of these are based on the installation directory of Ember.
if (chdir(configSrv.getPrefix().c_str())) {
S_LOG_WARNING("Failed to change to the prefix directory '" << configSrv.getPrefix() << "'. Ogre loading might fail.");
}
}
std::string pluginExtension = ".so";
mRoot = new Ogre::Root("", configSrv.getHomeDirectory(BaseDirType_CONFIG) + "/ogre.cfg", "");
//Ownership of the queue instance is passed to Root.
mRoot->setWorkQueue(OGRE_NEW EmberWorkQueue(MainLoopController::getSingleton().getEventService()));
mOverlaySystem = new Ogre::OverlaySystem();
mPluginLoader.loadPlugin("Plugin_ParticleFX");
mPluginLoader.loadPlugin("RenderSystem_GL"); //We'll use OpenGL on Windows too, to make it easier to develop
if (chdir(configSrv.getEmberDataDirectory().c_str())) {
S_LOG_WARNING("Failed to change to the data directory '" << configSrv.getEmberDataDirectory() << "'.");
}
return mRoot;
}
Ogre::Root* OgreSetup::createOgreSystem()
{
ConfigService& configSrv(EmberServices::getSingleton().getConfigService());
if (configSrv.getPrefix() != "") {
//We need to set the current directory to the prefix before trying to load Ogre.
//The reason for this is that Ogre loads a lot of dynamic modules, and in some build configuration
//(like AppImage) the lookup path for some of these are based on the installation directory of Ember.
if (chdir(configSrv.getPrefix().c_str())) {
S_LOG_WARNING("Failed to change to the prefix directory '" << configSrv.getPrefix() << "'. Ogre loading might fail.");
}
}
std::string pluginExtension = ".so";
mRoot = new Ogre::Root("", "ogre.cfg", "");
//we will try to load the plugins from series of different location, with the hope of getting at least one right
std::vector<std::string> pluginLocations;
if (configSrv.itemExists("ogre", "plugins")) {
std::string plugins(configSrv.getValue("ogre", "plugins"));
//if it's defined in the config, use that location first
if (configSrv.itemExists("ogre", "plugindir")) {
std::string pluginDir(configSrv.getValue("ogre", "plugindir"));
pluginLocations.push_back(pluginDir);
}
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
pluginExtension = ".dll";
pluginLocations.push_back("."); //on windows we'll bundle the dll files in the same directory as the executable
#elif OGRE_PLATFORM == OGRE_PLATFORM_LINUX
pluginExtension = ".so";
std::string pluginDir = configSrv.getPrefix();
pluginDir += "/lib/OGRE";
pluginLocations.push_back(pluginDir);
#ifdef ENABLE_BINRELOC
//binreloc might be used
char* br_libdir = br_find_lib_dir(br_strcat(PREFIX, "/lib"));
std::string libDir(br_libdir);
free(br_libdir);
pluginLocations.push_back(libDir + "/OGRE");
#endif
#ifdef OGRE_PLUGINDIR
//also try with the plugindir defined for Ogre
pluginLocations.push_back(OGRE_PLUGINDIR);
#endif
//enter the usual locations if Ogre is installed system wide, with local installations taking precedence
pluginLocations.push_back("/usr/local/lib/OGRE");
pluginLocations.push_back("/usr/lib/OGRE");
#elif OGRE_PLATFORM == OGRE_PLATFORM_APPLE
// On Mac, plugins are found in Resources in the Main (Application) bundle, then in the Ogre framework bundle
pluginExtension = "";
std::string pluginDir = configSrv.getSharedDataDirectory();
pluginLocations.push_back(pluginDir);
pluginDir += "/../Plugins";
pluginLocations.push_back(pluginDir);
pluginLocations.push_back("");
#endif
Tokeniser tokeniser(plugins, ",");
std::string token = tokeniser.nextToken();
while (token != "") {
std::string pluginPath;
bool pluginLoaded = false;
for (std::vector<std::string>::iterator I = pluginLocations.begin(); I != pluginLocations.end(); ++I) {
pluginPath = (*I) + "/" + token + pluginExtension;
S_LOG_INFO("Trying to load the plugin '" << pluginPath << "'.");
try {
mRoot->loadPlugin(pluginPath);
pluginLoaded = true;
break;
} catch (...) {
pluginPath = (*I) + "/" + token + "_d" + pluginExtension;
S_LOG_INFO("Trying to load the plugin '" << pluginPath << "'.");
try {
mRoot->loadPlugin(pluginPath);
pluginLoaded = true;
break;
} catch (...) {
}
}
}
if (pluginLoaded) {
S_LOG_INFO("Successfully loaded the plugin '" << token << "' from '" << pluginPath << "'.");
} else {
S_LOG_FAILURE("Failed to load the plugin '" << token << "'!");
}
token = tokeniser.nextToken();
}
}
if (chdir(configSrv.getEmberDataDirectory().c_str())) {
S_LOG_WARNING("Failed to change to the data directory '" << configSrv.getEmberDataDirectory() << "'.");
}
return mRoot;
}
