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detection.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-0-13-1/engines/agos/detection.cpp $
 * $Id: detection.cpp 35648 2009-01-01 15:06:43Z sev $
 *
 */

#include "base/plugins.h"

#include "common/advancedDetector.h"
#include "common/config-manager.h"
#include "common/savefile.h"
#include "common/system.h"

#include "agos/agos.h"

namespace AGOS {

struct AGOSGameDescription {
      Common::ADGameDescription desc;

      int gameType;
      int gameId;
      uint32 features;
};

}

/**
 * Conversion table mapping old obsolete target names to the
 * corresponding new target and platform combination.
 *
 */
static const Common::ADObsoleteGameID obsoleteGameIDsTable[] = {
      {"simon1acorn", "simon1", Common::kPlatformAcorn},
      {"simon1amiga", "simon1", Common::kPlatformAmiga},
      {"simon1cd32", "simon1", Common::kPlatformAmiga},
      {"simon1demo", "simon1", Common::kPlatformPC},
      {"simon1dos", "simon1", Common::kPlatformPC},
      {"simon1talkie", "simon1", Common::kPlatformPC},
      {"simon1win", "simon1", Common::kPlatformWindows},
      {"simon2dos", "simon2",  Common::kPlatformPC},
      {"simon2talkie", "simon2", Common::kPlatformPC},
      {"simon2mac", "simon2", Common::kPlatformMacintosh},
      {"simon2win", "simon2",  Common::kPlatformWindows},
      {0, 0, Common::kPlatformUnknown}
};

static const PlainGameDescriptor simonGames[] = {
      {"elvira1", "Elvira - Mistress of the Dark"},
      {"elvira2", "Elvira II - The Jaws of Cerberus"},
      {"waxworks", "Waxworks"},
      {"simon1", "Simon the Sorcerer 1"},
      {"simon2", "Simon the Sorcerer 2"},
      {"feeble", "The Feeble Files"},
      {"dimp", "Demon in my Pocket"},
      {"jumble", "Jumble"},
      {"puzzle", "NoPatience"},
      {"swampy", "Swampy Adventures"},
      {0, 0}
};

#include "agos/detection_tables.h"

static const Common::ADParams detectionParams = {
      // Pointer to ADGameDescription or its superset structure
      (const byte *)AGOS::gameDescriptions,
      // Size of that superset structure
      sizeof(AGOS::AGOSGameDescription),
      // Number of bytes to compute MD5 sum for
      5000,
      // List of all engine targets
      simonGames,
      // Structure for autoupgrading obsolete targets
      obsoleteGameIDsTable,
      // Name of single gameid (optional)
      0,
      // List of files for file-based fallback detection (optional)
      0,
      // Flags
      0
};

class AgosMetaEngine : public Common::AdvancedMetaEngine {
public:
      AgosMetaEngine() : Common::AdvancedMetaEngine(detectionParams) {}

      virtual const char *getName() const {
            return "AGOS";
      }

      virtual const char *getCopyright() const {
            return "AGOS (C) Adventure Soft";
      }

      virtual bool hasFeature(MetaEngineFeature f) const;
      virtual bool createInstance(OSystem *syst, Engine **engine, const Common::ADGameDescription *desc) const;
      virtual SaveStateList listSaves(const char *target) const;
      virtual int getMaximumSaveSlot() const;
};

bool AgosMetaEngine::hasFeature(MetaEngineFeature f) const {
      return
            (f == kSupportsListSaves);
}

bool AGOS::AGOSEngine::hasFeature(EngineFeature f) const {
      return
            (f == kSupportsRTL);
}

bool AgosMetaEngine::createInstance(OSystem *syst, Engine **engine, const Common::ADGameDescription *desc) const {
      const AGOS::AGOSGameDescription *gd = (const AGOS::AGOSGameDescription *)desc;
      bool res = true;

      switch (gd->gameType) {
      case AGOS::GType_ELVIRA1:
            *engine = new AGOS::AGOSEngine_Elvira1(syst);
            break;
      case AGOS::GType_ELVIRA2:
            *engine = new AGOS::AGOSEngine_Elvira2(syst);
            break;
      case AGOS::GType_WW:
            *engine = new AGOS::AGOSEngine_Waxworks(syst);
            break;
      case AGOS::GType_SIMON1:
            *engine = new AGOS::AGOSEngine_Simon1(syst);
            break;
      case AGOS::GType_SIMON2:
            *engine = new AGOS::AGOSEngine_Simon2(syst);
            break;
      case AGOS::GType_FF:
            *engine = new AGOS::AGOSEngine_Feeble(syst);
            break;
      case AGOS::GType_PP:
            *engine = new AGOS::AGOSEngine_PuzzlePack(syst);
            break;
      default:
            res = false;
            error("AGOS engine: unknown gameType");
      }
      if (res) {
            ((AGOS::AGOSEngine *)*engine)->_gameDescription = gd;
      }

      return res;
}

SaveStateList AgosMetaEngine::listSaves(const char *target) const {
      Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
      Common::StringList filenames;
      Common::String saveDesc;
      Common::String pattern = target;
      pattern += ".???";

      filenames = saveFileMan->listSavefiles(pattern.c_str());
      sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)

      SaveStateList saveList;
      for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); file++) {
            // Obtain the last 3 digits of the filename, since they correspond to the save slot
            int slotNum = atoi(file->c_str() + file->size() - 3);

            if (slotNum >= 0 && slotNum <= 999) {
                  Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
                  if (in) {
                        saveDesc = file->c_str();
                        saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
                        delete in;
                  }
            }
      }

      return saveList;
}

int AgosMetaEngine::getMaximumSaveSlot() const { return 999; }

#if PLUGIN_ENABLED_DYNAMIC(AGOS)
      REGISTER_PLUGIN_DYNAMIC(AGOS, PLUGIN_TYPE_ENGINE, AgosMetaEngine);
#else
      REGISTER_PLUGIN_STATIC(AGOS, PLUGIN_TYPE_ENGINE, AgosMetaEngine);
#endif

namespace AGOS {

int AGOSEngine::getGameId() const {
      return _gameDescription->gameId;
}

int AGOSEngine::getGameType() const {
      return _gameDescription->gameType;
}

uint32 AGOSEngine::getFeatures() const {
      return _gameDescription->features;
}

const char *AGOSEngine::getExtra() const {
      return _gameDescription->desc.extra;
}

Common::Language AGOSEngine::getLanguage() const {
      return _gameDescription->desc.language;
}

Common::Platform AGOSEngine::getPlatform() const {
      return _gameDescription->desc.platform;
}

const char *AGOSEngine::getFileName(int type) const {
      for (int i = 0; _gameDescription->desc.filesDescriptions[i].fileType; i++) {
            if (_gameDescription->desc.filesDescriptions[i].fileType == type)
                  return _gameDescription->desc.filesDescriptions[i].fileName;
      }
      return NULL;
}

} // End of namespace AGOS

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