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gp2xwiz-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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0/backends/platform/gp2xwiz/gp2xwiz-main.cpp $
 * $Id: gp2xwiz-main.cpp 43030 2009-08-03 19:04:07Z djwillis $
 *
 */

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

#include "backends/platform/gp2xwiz/gp2xwiz-sdl.h"
#include "backends/platform/gp2xwiz/gp2xwiz-hw.h"
#include "backends/plugins/posix/posix-provider.h"
#include "base/main.h"
#include "base/internal_version.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

int main(int argc, char *argv[]) {

      g_system = new OSystem_GP2XWIZ();
      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;
}

void OSystem_GP2XWIZ::initBackend() {

      /* 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 GP2X Wiz has a serial console on the breakout board 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 */

      /* Initialise any GP2X Wiz specific stuff we may want (Batt Status, scaler etc.) */
      WIZ_HW::deviceInit();

      /* Set Default hardware mixer volume to a preset level (VOLUME_INITIAL). This is done to 'reset' volume level if set by other apps. */
      WIZ_HW::mixerMoveVolume(0);

      /* Up default volume values as we use a seperate system level volume anyway. */
      ConfMan.registerDefault("music_volume", 192);
      ConfMan.registerDefault("sfx_volume", 192);
      ConfMan.registerDefault("speech_volume", 192);

      /* Trigger autosave every 4 minutes - On low batts 5 mins is about your warning time. */
      ConfMan.registerDefault("autosave_period", 4 * 60);

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

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

      printf("%s\n", "Passing to OSystem::SDL initBackend.");

      /* Pass to SDL backend to do the heavy lifting */
      OSystem_SDL::initBackend();
}

void OSystem_GP2XWIZ::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.");
      }

      Common::FSNode workdirNode(workDirName);
      if (workdirNode.exists() && workdirNode.isDirectory()) {
            s.add("__GP2XWIZ_WORKDIR__", new Common::FSDirectory(workDirName), priority);
      }

      char enginedataPath[PATH_MAX+1];

      strcpy(enginedataPath, workDirName);
      strcat(enginedataPath, "/engine-data");

      Common::FSNode engineNode(enginedataPath);
      if (engineNode.exists() && engineNode.isDirectory()) {
            s.add("__GP2XWIZ_ENGDATA__", new Common::FSDirectory(enginedataPath), priority);
      }

      char pluginsPath[PATH_MAX+1];

      strcpy(pluginsPath, workDirName);
      strcat(pluginsPath, "/plugins");

      Common::FSNode pluginsNode(pluginsPath);
      if (pluginsNode.exists() && pluginsNode.isDirectory()) {
            s.add("__GP2XWIZ_PLUGINS__", new Common::FSDirectory(pluginsPath), priority);
      }
}

void OSystem_GP2XWIZ::quit() {

      WIZ_HW::deviceDeinit();

      #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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