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game.h

/* 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-0-11-1/base/game.h $
 * $Id: game.h 30944 2008-02-23 22:50:18Z sev $
 *
 */

#ifndef BASE_GAME_H
#define BASE_GAME_H

#include "common/str.h"
#include "common/array.h"
#include "common/hash-str.h"

/**
 * A simple structure used to map gameids (like "monkey", "sword1", ...) to
 * nice human readable and descriptive game titles (like "The Secret of Monkey Island").
 * This is a plain struct to make it possible to declare NULL-terminated C arrays
 * consisting of PlainGameDescriptors.
 */
00039 struct PlainGameDescriptor {
      const char *gameid;
      const char *description;
};

/**
 * Given a list of PlainGameDescriptors, returns the first PlainGameDescriptor
 * matching the given gameid. If not match is found return 0.
 * The end of the list marked by a PlainGameDescriptor with gameid equal to 0.
 */
const PlainGameDescriptor *findPlainGameDescriptor(const char *gameid, const PlainGameDescriptor *list);

/**
 * A hashmap describing details about a given game. In a sense this is a refined
 * version of PlainGameDescriptor, as it also contains a gameid and a description string.
 * But in addition, platform and language settings, as well as arbitrary other settings,
 * can be contained in a GameDescriptor.
 * This is an essential part of the glue between the game engines and the launcher code.
 */
00058 class GameDescriptor : public Common::StringMap {
public:
      GameDescriptor() {
            setVal("gameid", "");
            setVal("description", "");
      }

      GameDescriptor(const PlainGameDescriptor &pgd) {
            setVal("gameid", pgd.gameid);
            setVal("description", pgd.description);
      }

      GameDescriptor(Common::String g, Common::String d, Common::Language l  = Common::UNK_LANG,
                   Common::Platform p = Common::kPlatformUnknown) {
            setVal("gameid", g);
            setVal("description", d);
            if (l != Common::UNK_LANG)
                  setVal("language", Common::getLanguageCode(l));
            if (p != Common::kPlatformUnknown)
                  setVal("platform", Common::getPlatformCode(p));
      }

      /**
       * Update the description string by appending (LANG/PLATFORM/EXTRA) to it.
       */
      void updateDesc(const char *extra = 0);

      Common::String &gameid() { return getVal("gameid"); }
      Common::String &description() { return getVal("description"); }
      const Common::String &gameid() const { return getVal("gameid"); }
      const Common::String &description() const { return getVal("description"); }
      Common::Language language() const { return contains("language") ? Common::parseLanguage(getVal("language")) : Common::UNK_LANG; }
      Common::Platform platform() const { return contains("platform") ? Common::parsePlatform(getVal("platform")) : Common::kPlatformUnknown; }
};

/** List of games. */
00094 class GameList : public Common::Array<GameDescriptor> {
public:
      GameList() {}
      GameList(const GameList &list) : Common::Array<GameDescriptor>(list) {}
      GameList(const PlainGameDescriptor *g) {
            while (g->gameid) {
                  push_back(GameDescriptor(g->gameid, g->description));
                  g++;
            }
      }
};



class Plugin;

namespace Base {

// TODO: Find a better name & place for this function.
GameDescriptor findGame(const Common::String &gameName, const Plugin **plugin = NULL);

} // End of namespace Base


#endif

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