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op-main.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program 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 General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id: op-main.cpp 52998 2010-10-03 18:44:07Z djwillis $
 *
 */

#include "common/scummsys.h"
#include <SDL/SDL.h>

#include "backends/platform/openpandora/op-sdl.h"
#include "backends/plugins/posix/posix-provider.h"
#include "base/main.h"

#include "common/archive.h"
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/events.h"
#include "common/util.h"

#include "common/file.h"
#include "base/main.h"

#include "backends/saves/default/default-saves.h"

#include "backends/timer/default/default-timer.h"
#include "sound/mixer_intern.h"

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
#include <sys/stat.h>
#include <time.h> // for getTimeAndDate()

/* Dump console info to files. */
#define DUMP_STDOUT

static SDL_Cursor *hiddenCursor;

int main(int argc, char *argv[]) {
      g_system = new OSystem_OP();
      assert(g_system);

#ifdef DYNAMIC_MODULES
      PluginManager::instance().addPluginProvider(new POSIXPluginProvider());
#endif

      // Invoke the actual ScummVM main entry point:
      int res = scummvm_main(argc, argv);
      g_system->quit();

      return res;
}

static Uint32 timer_handler(Uint32 interval, void *param) {
      ((DefaultTimerManager *)param)->handler();
      return interval;
}

00080 void OSystem_OP::initBackend() {

      assert(!_inited);

    uint8_t hiddenCursorData = 0;

      int joystick_num = ConfMan.getInt("joystick_num");
      uint32 sdlFlags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;

      if (ConfMan.hasKey("disable_sdl_parachute"))
            sdlFlags |= SDL_INIT_NOPARACHUTE;

      if (joystick_num > -1)
            sdlFlags |= SDL_INIT_JOYSTICK;

      if (SDL_Init(sdlFlags) == -1) {
            error("Could not initialize SDL: %s", SDL_GetError());
      }

    hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);

      /* Setup default save path to be workingdir/saves */

      char savePath[PATH_MAX+1];
      char workDirName[PATH_MAX+1];

      if (getcwd(workDirName, PATH_MAX) == NULL) {
            error("Could not obtain current working directory.");
      } else {
            printf("Current working directory: %s\n", workDirName);
      }

      strcpy(savePath, workDirName);
      strcat(savePath, "/../saves");
      printf("Current save directory: %s\n", savePath);
      struct stat sb;
      if (stat(savePath, &sb) == -1)
            if (errno == ENOENT) // Create the dir if it does not exist
                  if (mkdir(savePath, 0755) != 0)
                        warning("mkdir for '%s' failed!", savePath);

      _savefile = new DefaultSaveFileManager(savePath);

      #ifdef DUMP_STDOUT
            // The OpenPandora has a serial console on the EXT connection but most users do not use this so we
            // output all our STDOUT and STDERR to files for debug purposes.
            char STDOUT_FILE[PATH_MAX+1];
            char STDERR_FILE[PATH_MAX+1];

            strcpy(STDOUT_FILE, workDirName);
            strcpy(STDERR_FILE, workDirName);
            strcat(STDOUT_FILE, "/scummvm.stdout.txt");
            strcat(STDERR_FILE, "/scummvm.stderr.txt");

            // Flush the output in case anything is queued
            fclose(stdout);
            fclose(stderr);

            // Redirect standard input and standard output
            FILE *newfp = freopen(STDOUT_FILE, "w", stdout);
            if (newfp == NULL) {
            #if !defined(stdout)
                  stdout = fopen(STDOUT_FILE, "w");
            #else
                  newfp = fopen(STDOUT_FILE, "w");
                  if (newfp) {
                        *stdout = *newfp;
                  }
            #endif
            }

            newfp = freopen(STDERR_FILE, "w", stderr);
            if (newfp == NULL) {
            #if !defined(stderr)
                  stderr = fopen(STDERR_FILE, "w");
            #else
                  newfp = fopen(STDERR_FILE, "w");
                  if (newfp) {
                        *stderr = *newfp;
                  }
            #endif
            }

            setbuf(stderr, NULL);
            printf("%s\n", "Debug: STDOUT and STDERR redirected to text files.");
      #endif /* DUMP_STDOUT */

      /* Trigger autosave every 4 minutes. */
      ConfMan.registerDefault("autosave_period", 4 * 60);

      ConfMan.registerDefault("fullscreen", true);

      /* Make sure that aspect ratio correction is enabled on the 1st run to stop
         users asking me what the 'wasted space' at the bottom is ;-). */
      ConfMan.registerDefault("aspect_ratio", true);

      /* Make sure SDL knows that we have a joystick we want to use. */
      ConfMan.setInt("joystick_num", 0);

      _graphicsMutex = createMutex();

      /* On the OpenPandora we need to work around an SDL assumption that
         returns relative mouse coordinates when you get to the screen
         edges using the touchscreen. The workaround is to set a blank
         SDL cursor and not disable it (Hackish I know).

         The root issues likes in the Windows Manager GRAB code in SDL.
         That is why the issue is not seen on framebuffer devices like the
         GP2X (there is no X window manager ;)).
      */
      SDL_ShowCursor(SDL_ENABLE);
      SDL_SetCursor(hiddenCursor);

      // Enable unicode support if possible
      SDL_EnableUNICODE(1);

      memset(&_oldVideoMode, 0, sizeof(_oldVideoMode));
      memset(&_videoMode, 0, sizeof(_videoMode));
      memset(&_transactionDetails, 0, sizeof(_transactionDetails));

      _videoMode.mode = GFX_DOUBLESIZE;
      _videoMode.scaleFactor = 2;
      _videoMode.aspectRatioCorrection = ConfMan.getBool("aspect_ratio");
      _scalerProc = Normal2x;
      _scalerType = 0;

      _videoMode.fullscreen = true;

      // enable joystick
      if (joystick_num > -1 && SDL_NumJoysticks() > 0) {
            printf("Using joystick: %s\n", SDL_JoystickName(0));
            _joystick = SDL_JoystickOpen(joystick_num);
      }

      setupMixer();

      // Note: We could implement a custom SDLTimerManager by using
      // SDL_AddTimer. That might yield better timer resolution, but it would
      // also change the semantics of a timer: Right now, ScummVM timers
      // *never* run in parallel, due to the way they are implemented. If we
      // switched to SDL_AddTimer, each timer might run in a separate thread.
      // However, not all our code is prepared for that, so we can't just
      // switch. Still, it's a potential future change to keep in mind.
      _timer = new DefaultTimerManager();
      _timerID = SDL_AddTimer(10, &timer_handler, _timer);

      // Invoke parent implementation of this method
      OSystem::initBackend();

      _inited = true;
}

00232 void OSystem_OP::addSysArchivesToSearchSet(Common::SearchSet &s, int priority) {

      /* Setup default extra data paths for engine data files and plugins */

      char workDirName[PATH_MAX+1];

      if (getcwd(workDirName, PATH_MAX) == NULL) {
            error("Error: Could not obtain current working directory.");
      }

      char enginedataPath[PATH_MAX+1];

      strcpy(enginedataPath, workDirName);
      strcat(enginedataPath, "/../data");
      printf("Default engine data directory: %s\n", enginedataPath);

      Common::FSNode engineNode(enginedataPath);
      if (engineNode.exists() && engineNode.isDirectory()) {
            s.add("__OP_ENGDATA__", new Common::FSDirectory(enginedataPath), priority);
      }
}

00254 void OSystem_OP::quit() {

      SDL_FreeCursor(hiddenCursor);

      #ifdef DUMP_STDOUT
            printf("%s\n", "Debug: STDOUT and STDERR text files closed.");
            fclose(stdout);
            fclose(stderr);
      #endif /* DUMP_STDOUT */

      OSystem_SDL::quit();
}

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