source: trunk/engine/core/controller/enginesettings.cpp @ 3491

/***************************************************************************
 *   Copyright (C) 2005-2010 by the FIFE team                              *
 *   http://www.fifengine.net                                              *
 *   This file is part of FIFE.                                            *
 *                                                                         *
 *   FIFE is free software; you can redistribute it and/or                 *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

// Standard C++ library includes
#include <algorithm>
#include <string>

// 3rd party library includes
#include <SDL.h>

// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "util/base/exception.h"

#include "enginesettings.h"

namespace FIFE {
   const float MAXIMUM_VOLUME = 10.0;

   EngineSettings::EngineSettings():
      m_bitsperpixel(0),
      m_fullscreen(false),
      m_initialvolume(MAXIMUM_VOLUME / 2),
      m_renderbackend("SDL"),
      m_sdlremovefakealpha(false),
      m_screenwidth(800),
      m_screenheight(600),
      m_windowtitle("FIFE"),
      m_windowicon(""),
      m_defaultfontpath(""),
      m_defaultfontsize(8),
      m_defaultfontglyphs(""),
      m_lighting(0),
      m_iscolorkeyenabled(false){
         m_colorkey.r = 255;
         m_colorkey.g = 0;
         m_colorkey.b = 255;

#if defined( __unix__ )
         m_videodriver = "x11";
#elif defined( WIN32 )
         m_videodriver = "windib";
#elif defined( __APPLE_CC__ )
         m_videodriver = "x11";
#else
         m_videodriver = "";
#endif

   }

   EngineSettings::~EngineSettings() {
   }

   void EngineSettings::validate() const {
      if (m_defaultfontpath == "") {
         throw NotSet("Path for default font is not set");
      }
      std::string::size_type loc = m_defaultfontpath.find(".ttf", 0);
      if ((loc == std::string::npos) && (m_defaultfontglyphs == "")) {
         throw NotSet("Glyphs for default font are not set");
      }
   }

   std::vector<std::pair<uint16_t, uint16_t> > EngineSettings::getPossibleResolutions() const {
      SDL_Rect **modes = SDL_ListModes(NULL, ((getRenderBackend() != "SDL") ? (SDL_OPENGL | SDL_HWPALETTE | SDL_HWACCEL) : 0) | (isFullScreen() ? SDL_FULLSCREEN : 0));
      if(modes == (SDL_Rect **)0)
         throw NotFound("No VideoMode Found");

      std::vector<std::pair<uint16_t, uint16_t> > result;
      if(modes != (SDL_Rect **)-1)
         for(unsigned int i = 0; modes[i]; ++i)
            result.push_back(std::pair<uint16_t, uint16_t>(modes[i]->w, modes[i]->h));
      return result;
   }

   void EngineSettings::setBitsPerPixel(uint16_t bitsperpixel) {
      std::vector<uint16_t> pv = getPossibleBitsPerPixel();
      std::vector<uint16_t>::iterator i = std::find(pv.begin(), pv.end(), bitsperpixel);
      if (i != pv.end()) {
         m_bitsperpixel = bitsperpixel;
         return;
      }
      throw NotSupported("Given bits per pixel value is not supported");
   }

   std::vector<uint16_t> EngineSettings::getPossibleBitsPerPixel() const {
      std::vector<uint16_t> tmp;
      tmp.push_back(0);
      tmp.push_back(16);
      tmp.push_back(24);
      tmp.push_back(32);
      return tmp;
   }

   void EngineSettings::setInitialVolume(float volume) {
      if (volume > getMaxVolume()) {
         throw NotSupported("Given volume exceeds maximum volume");
      }
      if (volume < 0) {
         throw NotSupported("Given volume is below 0");
      }
      m_initialvolume = volume;
   }

   float EngineSettings::getMaxVolume() const {
      return MAXIMUM_VOLUME;
   }

   void EngineSettings::setRenderBackend(const std::string& renderbackend) {
      std::vector<std::string> pv = getPossibleRenderBackends();
      std::vector<std::string>::iterator i = std::find(pv.begin(), pv.end(), renderbackend);
      if (i != pv.end()) {
         m_renderbackend = renderbackend;
         return;
      }
      throw NotSupported("Given render backend is not supported");
   }

   std::vector<std::string> EngineSettings::getPossibleRenderBackends() {
      std::vector<std::string> tmp;
      tmp.push_back("SDL");
      tmp.push_back("OpenGL");
      return tmp;
   }

   void EngineSettings::setSDLRemoveFakeAlpha(bool sdlremovefakealpha) {
      m_sdlremovefakealpha = sdlremovefakealpha;
   }

   void EngineSettings::setScreenWidth(uint16_t screenwidth) {
      m_screenwidth = screenwidth;
   }

   void EngineSettings::setScreenHeight(uint16_t screenheight) {
      m_screenheight = screenheight;
   }

   void EngineSettings::setDefaultFontPath(const std::string& defaultfontpath) {
      m_defaultfontpath = defaultfontpath;
   }

   void EngineSettings::setDefaultFontSize(uint16_t defaultfontsize) {
      m_defaultfontsize = defaultfontsize;
   }

   void EngineSettings::setDefaultFontGlyphs(const std::string& defaultfontglyphs) {
      m_defaultfontglyphs = defaultfontglyphs;
   }

   void EngineSettings::setWindowTitle(const std::string& title) {
      m_windowtitle = title;
   }

   void EngineSettings::setWindowIcon(const std::string& icon) {
      m_windowicon = icon;
   }

   void EngineSettings::setColorKeyEnabled(bool colorkeyenable) {
      m_iscolorkeyenabled = colorkeyenable;
   }

   bool EngineSettings::isColorKeyEnabled() const {
      return m_iscolorkeyenabled;
   }

   void EngineSettings::setColorKey(uint8_t r, uint8_t g, uint8_t b) {
      m_colorkey.r = r;
      m_colorkey.g = g;
      m_colorkey.b = b;
   }

   const SDL_Color& EngineSettings::getColorKey() const {
      return m_colorkey;
   }

   void EngineSettings::setVideoDriver(const std::string& driver) {
      m_videodriver = driver;
   }

   const std::string& EngineSettings::getVideoDriver() const {
      return m_videodriver;
   }
   void EngineSettings::setLightingModel(unsigned int lighting) {
      if (lighting <= 2) {
         m_lighting = lighting;
         return;
      }
      throw NotSupported("Given light model is not supported");
   }

}