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			323 lines
		
	
	
	
		
			9.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			323 lines
		
	
	
	
		
			9.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#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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}
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void OgreRenderer::createScene(const std::string& camName, float fov, float nearClip)
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{
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    assert(mRoot);
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    assert(mWindow);
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    // Get the SceneManager, in this case a generic one
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    mScene = mRoot->createSceneManager(ST_GENERIC);
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    // Create the camera
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    mCamera = mScene->createCamera(camName);
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    mCamera->setNearClipDistance(nearClip);
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    mCamera->setFOVy(Degree(fov));
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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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    mFader = new Fader(mScene);
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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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