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https://gitlab.com/OpenMW/openmw.git
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Imported Upstream version 0.26.0
This commit is contained in:
Bret Curtis
commit
9a2b6c69b6
1398 changed files with 212217 additions and 0 deletions
319
libs/openengine/ogre/renderer.cpp
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319
libs/openengine/ogre/renderer.cpp
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#include "renderer.hpp"
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#include "fader.hpp"
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#include "particles.hpp"
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#include <SDL.h>
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#include "OgreRoot.h"
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#include "OgreRenderWindow.h"
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#include "OgreLogManager.h"
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#include "OgreLog.h"
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#include "OgreTextureManager.h"
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#include "OgreTexture.h"
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#include "OgreHardwarePixelBuffer.h"
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#include <OgreParticleSystemManager.h>
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#include "OgreParticleAffectorFactory.h"
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#include <boost/filesystem.hpp>
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#include <components/files/ogreplugin.hpp>
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#include <extern/sdl4ogre/sdlwindowhelper.hpp>
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#include <cassert>
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#include <cstdlib>
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#include <stdexcept>
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using namespace Ogre;
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using namespace OEngine::Render;
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#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
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CustomRoot::CustomRoot(const Ogre::String& pluginFileName,
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const Ogre::String& configFileName,
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const Ogre::String& logFileName)
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: Ogre::Root(pluginFileName, configFileName, logFileName)
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{}
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bool CustomRoot::isQueuedEnd() const
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{
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return mQueuedEnd;
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}
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#endif
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void OgreRenderer::cleanup()
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{
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delete mFader;
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mFader = NULL;
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delete mRoot;
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mRoot = NULL;
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// If we don't do this, the desktop resolution is not restored on exit
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SDL_SetWindowFullscreen(mSDLWindow, 0);
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SDL_DestroyWindow(mSDLWindow);
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mSDLWindow = NULL;
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unloadPlugins();
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}
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void OgreRenderer::start()
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{
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#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
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// we need this custom main loop because otherwise Ogre's Carbon message pump will
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// steal input events even from our Cocoa window
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// There's no way to disable Ogre's message pump other that comment pump code in Ogre's source
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do {
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if (!mRoot->renderOneFrame()) {
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break;
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}
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} while (!mRoot->isQueuedEnd());
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#else
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mRoot->startRendering();
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#endif
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}
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void OgreRenderer::loadPlugins()
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{
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#ifdef ENABLE_PLUGIN_GL
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mGLPlugin = new Ogre::GLPlugin();
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mRoot->installPlugin(mGLPlugin);
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#endif
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#ifdef ENABLE_PLUGIN_Direct3D9
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mD3D9Plugin = new Ogre::D3D9Plugin();
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mRoot->installPlugin(mD3D9Plugin);
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#endif
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#ifdef ENABLE_PLUGIN_CgProgramManager
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mCgPlugin = new Ogre::CgPlugin();
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mRoot->installPlugin(mCgPlugin);
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#endif
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#ifdef ENABLE_PLUGIN_OctreeSceneManager
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mOctreePlugin = new Ogre::OctreePlugin();
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mRoot->installPlugin(mOctreePlugin);
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#endif
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#ifdef ENABLE_PLUGIN_ParticleFX
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mParticleFXPlugin = new Ogre::ParticleFXPlugin();
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mRoot->installPlugin(mParticleFXPlugin);
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#endif
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}
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void OgreRenderer::unloadPlugins()
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{
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std::vector<Ogre::ParticleEmitterFactory*>::iterator ei;
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for(ei = mEmitterFactories.begin();ei != mEmitterFactories.end();++ei)
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OGRE_DELETE (*ei);
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mEmitterFactories.clear();
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std::vector<Ogre::ParticleAffectorFactory*>::iterator ai;
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for(ai = mAffectorFactories.begin();ai != mAffectorFactories.end();++ai)
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OGRE_DELETE (*ai);
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mAffectorFactories.clear();
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#ifdef ENABLE_PLUGIN_GL
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delete mGLPlugin;
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mGLPlugin = NULL;
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#endif
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#ifdef ENABLE_PLUGIN_Direct3D9
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delete mD3D9Plugin;
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mD3D9Plugin = NULL;
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#endif
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#ifdef ENABLE_PLUGIN_CgProgramManager
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delete mCgPlugin;
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mCgPlugin = NULL;
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#endif
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#ifdef ENABLE_PLUGIN_OctreeSceneManager
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delete mOctreePlugin;
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mOctreePlugin = NULL;
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#endif
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#ifdef ENABLE_PLUGIN_ParticleFX
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delete mParticleFXPlugin;
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mParticleFXPlugin = NULL;
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#endif
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}
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void OgreRenderer::update(float dt)
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{
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mFader->update(dt);
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}
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void OgreRenderer::screenshot(const std::string &file)
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{
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mWindow->writeContentsToFile(file);
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}
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float OgreRenderer::getFPS()
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{
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return mWindow->getLastFPS();
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}
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void OgreRenderer::configure(const std::string &logPath,
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const std::string& renderSystem,
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const std::string& rttMode,
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bool _logging)
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{
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// Set up logging first
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new LogManager;
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Log *log = LogManager::getSingleton().createLog(logPath + std::string("Ogre.log"));
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logging = _logging;
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if(logging)
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// Full log detail
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log->setLogDetail(LL_BOREME);
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else
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// Disable logging
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log->setDebugOutputEnabled(false);
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#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
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mRoot = new CustomRoot("", "", "");
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#else
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mRoot = new Root("", "", "");
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#endif
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#if defined(ENABLE_PLUGIN_GL) || defined(ENABLE_PLUGIN_Direct3D9) || defined(ENABLE_PLUGIN_CgProgramManager) || defined(ENABLE_PLUGIN_OctreeSceneManager) || defined(ENABLE_PLUGIN_ParticleFX)
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loadPlugins();
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#endif
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std::string pluginDir;
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const char* pluginEnv = getenv("OPENMW_OGRE_PLUGIN_DIR");
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if (pluginEnv)
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pluginDir = pluginEnv;
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else
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{
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#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
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pluginDir = ".\\";
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#endif
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#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
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pluginDir = OGRE_PLUGIN_DIR;
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#endif
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#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
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pluginDir = OGRE_PLUGIN_DIR_REL;
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#endif
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}
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boost::filesystem::path absPluginPath = boost::filesystem::absolute(boost::filesystem::path(pluginDir));
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pluginDir = absPluginPath.string();
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Files::loadOgrePlugin(pluginDir, "RenderSystem_GL", *mRoot);
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Files::loadOgrePlugin(pluginDir, "RenderSystem_GLES2", *mRoot);
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Files::loadOgrePlugin(pluginDir, "RenderSystem_GL3Plus", *mRoot);
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Files::loadOgrePlugin(pluginDir, "RenderSystem_Direct3D9", *mRoot);
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Files::loadOgrePlugin(pluginDir, "Plugin_CgProgramManager", *mRoot);
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Files::loadOgrePlugin(pluginDir, "Plugin_ParticleFX", *mRoot);
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Ogre::ParticleEmitterFactory *emitter;
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emitter = OGRE_NEW NifEmitterFactory();
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Ogre::ParticleSystemManager::getSingleton().addEmitterFactory(emitter);
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mEmitterFactories.push_back(emitter);
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Ogre::ParticleAffectorFactory *affector;
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affector = OGRE_NEW GrowFadeAffectorFactory();
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Ogre::ParticleSystemManager::getSingleton().addAffectorFactory(affector);
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mAffectorFactories.push_back(affector);
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affector = OGRE_NEW GravityAffectorFactory();
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Ogre::ParticleSystemManager::getSingleton().addAffectorFactory(affector);
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mAffectorFactories.push_back(affector);
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RenderSystem* rs = mRoot->getRenderSystemByName(renderSystem);
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if (rs == 0)
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throw std::runtime_error ("RenderSystem with name " + renderSystem + " not found, make sure the plugins are loaded");
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mRoot->setRenderSystem(rs);
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if (rs->getName().find("OpenGL") != std::string::npos)
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rs->setConfigOption ("RTT Preferred Mode", rttMode);
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}
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void OgreRenderer::createWindow(const std::string &title, const WindowSettings& settings)
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{
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assert(mRoot);
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mRoot->initialise(false);
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NameValuePairList params;
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params.insert(std::make_pair("title", title));
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params.insert(std::make_pair("FSAA", settings.fsaa));
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params.insert(std::make_pair("vsync", settings.vsync ? "true" : "false"));
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int pos_x = SDL_WINDOWPOS_CENTERED_DISPLAY(settings.screen),
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pos_y = SDL_WINDOWPOS_CENTERED_DISPLAY(settings.screen);
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if(settings.fullscreen)
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{
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pos_x = SDL_WINDOWPOS_UNDEFINED_DISPLAY(settings.screen);
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pos_y = SDL_WINDOWPOS_UNDEFINED_DISPLAY(settings.screen);
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}
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// Create an application window with the following settings:
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mSDLWindow = SDL_CreateWindow(
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"OpenMW", // window title
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pos_x, // initial x position
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pos_y, // initial y position
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settings.window_x, // width, in pixels
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settings.window_y, // height, in pixels
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SDL_WINDOW_SHOWN
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| (settings.fullscreen ? SDL_WINDOW_FULLSCREEN : 0) | SDL_WINDOW_RESIZABLE
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);
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SFO::SDLWindowHelper helper(mSDLWindow, settings.window_x, settings.window_y, title, settings.fullscreen, params);
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if (settings.icon != "")
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helper.setWindowIcon(settings.icon);
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mWindow = helper.getWindow();
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// create the semi-transparent black background texture used by the GUI.
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// has to be created in code with TU_DYNAMIC_WRITE_ONLY param
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// so that it can be modified at runtime.
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Ogre::TextureManager::getSingleton().createManual(
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"transparent.png",
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Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
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Ogre::TEX_TYPE_2D,
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1, 1,
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0,
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Ogre::PF_A8R8G8B8,
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Ogre::TU_WRITE_ONLY);
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mScene = mRoot->createSceneManager(ST_GENERIC);
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mFader = new Fader(mScene);
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mCamera = mScene->createCamera("cam");
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// Create one viewport, entire window
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mView = mWindow->addViewport(mCamera);
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// Alter the camera aspect ratio to match the viewport
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mCamera->setAspectRatio(Real(mView->getActualWidth()) / Real(mView->getActualHeight()));
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}
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void OgreRenderer::adjustCamera(float fov, float nearClip)
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{
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mCamera->setNearClipDistance(nearClip);
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mCamera->setFOVy(Degree(fov));
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}
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void OgreRenderer::adjustViewport()
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{
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// Alter the camera aspect ratio to match the viewport
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if(mCamera != NULL)
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{
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mView->setDimensions(0, 0, 1, 1);
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mCamera->setAspectRatio(Real(mView->getActualWidth()) / Real(mView->getActualHeight()));
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}
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}
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void OgreRenderer::setFov(float fov)
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{
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mCamera->setFOVy(Degree(fov));
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}
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void OgreRenderer::windowResized(int x, int y)
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{
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mWindowListener->windowResized(x,y);
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}
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