src/eal/engine.cc

   1 /*
   2  * Base class for graphics/sound
   3  *
   4  * Copyright (C) 2009 Mathias Gottschlag
   5  *
   6  * This file is part of OpenStranded
   7  *
   8  * OpenStranded is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * OpenStranded is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with OpenStranded. If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include "eal/engine.hh"
  23
  24 #include <irrlicht/irrlicht.h>
  25
  26 namespace eal
  27 {
  28         Engine*
  29         Engine::get ()
  30         {
  31                 static Engine engine;
  32                 return &engine;
  33         }
  34
  35         Engine::Engine ()
  36         {
  37                 irrlicht = 0;
  38                 lastfps = 0;
  39         }
  40
  41         Engine::~Engine ()
  42         {
  43                 if (irrlicht)
  44                 {
  45                         irrlicht->drop ();
  46                 }
  47         }
  48
  49         bool
  50         Engine::init ()
  51         {
  52                 // Create window
  53                 irrlicht = irr::createDevice (irr::video::EDT_OPENGL,
  54                         irr::core::dimension2d<irr::s32>(1024, 768), 32);
  55
  56                 irr::scene::ISceneManager* smgr = irrlicht->getSceneManager();
  57
  58                 //irr::scene::ICameraSceneNode *camera = smgr->addCameraSceneNode ();
  59                 irr::scene::ICameraSceneNode *camera = smgr->addCameraSceneNodeFPS();
  60                 camera->setPosition(irr::core::vector3df(0, 30, 0));
  61                 camera->setTarget(irr::core::vector3df(0, 0, 0));
  62                 this->camera.create(camera);
  63                 return true;
  64         }
  65
  66         GUI&
  67         Engine::getGUI ()
  68         {
  69                 return gui;
  70         }
  71
  72         Camera&
  73         Engine::getCamera ()
  74         {
  75                 return camera;
  76         }
  77
  78         Environment&
  79         Engine::getEnvironment ()
  80         {
  81                 return environment;
  82         }
  83
  84         bool Engine::update ()
  85         {
  86                 if (!irrlicht->run ())
  87                         return false;
  88
  89                 irr::video::IVideoDriver *driver = irrlicht->getVideoDriver();
  90                 if (driver->getFPS () != lastfps)
  91                 {
  92                         lastfps = driver->getFPS ();
  93                         wchar_t caption[256];
  94                         swprintf (caption, 256, L"OpenStranded - FPS: %d", lastfps);
  95                         irrlicht->setWindowCaption (caption);
  96                 }
  97                 irr::scene::ISceneManager* smgr = irrlicht->getSceneManager();
  98                 // Render scene
  99                 driver->beginScene (true, true, irr::video::SColor (255, 100, 101, 140) );
 100                 smgr->drawAll ();
 101                 driver->endScene ();
 102                 return true;
 103         }
 104
 105         irr::scene::ISceneManager*
 106         Engine::getSceneManager()
 107         {
 108                 if (!irrlicht) return 0;
 109                 return irrlicht->getSceneManager();
 110         }
 111 }