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RenderManager.cpp
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RenderManager.cpp
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#include "RenderManager.h"
#include "Components.h"
#include "ScreenManager.h"
using namespace entityx;
RenderManager::RenderManager(){}
RenderManager::~RenderManager()
{
/*
mWindow->destroy();
mRoot->shutdown();
delete mRoot;
*/
}
void RenderManager::loadResources()
{
Ogre::ConfigFile cf;
cf.load("resources.cfg");
Ogre::ConfigFile::SectionIterator seci = cf.getSectionIterator();
Ogre::String secName, typeName, archName;
while( seci.hasMoreElements() )
{
secName = seci.peekNextKey();
Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext();
Ogre::ConfigFile::SettingsMultiMap::iterator it;
for( it = settings->begin(); it != settings->end(); ++it)
{
typeName = it->first;
archName = it->second;
std::cout << archName << " " << typeName << " " << secName << std::endl;
Ogre::ResourceGroupManager::getSingleton().addResourceLocation(archName, typeName, secName);
}
}
}
void RenderManager::init(std::string windowTitle)
{
// eventuale registrazione a events
mRoot = new Ogre::Root();
loadResources();
if(!mRoot->restoreConfig())
if(!mRoot->showConfigDialog())
throw Ogre::Exception(0, "Errore nel caricare la configurazione", "RenderManager::init");
mWindow = mRoot->initialise(true, windowTitle);
mSceneMgr = mRoot->createSceneManager(Ogre::ST_GENERIC);
mCamera = mSceneMgr->createCamera("MainCamera");
mViewport = mWindow->addViewport(mCamera);
mCamera->setAspectRatio(mViewport->getHeight()/mViewport->getWidth());
mCamera->setNearClipDistance(5);
mCamera->setFarClipDistance(300);
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
}
void RenderManager::setFrameListener(Ogre::FrameListener *listener)
{
mRoot->addFrameListener(listener);
}
Ogre::Camera* RenderManager::getCamera(){ return mCamera; }
Ogre::Viewport* RenderManager::getViewport(){ return mViewport; }
Ogre::SceneManager* RenderManager::getSceneManager() { return mSceneMgr; }
Ogre::Root* RenderManager::getRoot(){ return mRoot; }
Ogre::RenderWindow* RenderManager::getRenderWindow(){ return mWindow; }
void RenderManager::update(double dt)
{
ptr<EntityManager> entities = ScreenManager::getPtr()->getCurrentEntities();
for(auto entity: entities->entities_with_components<Position, Orientation, Renderable>()){
ptr<Renderable> node = entity.component<Renderable>();
ptr<Position> pos = entity.component<Position>();
ptr<Orientation> ori = entity.component<Orientation>();
node->sceneNode->setPosition(pos->position);
node->sceneNode->setOrientation(ori->orientation);
}
}
void RenderManager::attachCameraTo(Ogre::SceneNode *node, Ogre::Vector3 offset)
{
Ogre::SceneNode* child = node->createChildSceneNode("CameraNode", offset);
mCamera->setPosition(child->getPosition() + offset);
child->attachObject(mCamera);
mCamera->lookAt(-offset);
}