1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef GLK_MAGNETIC_DETECTION 24 #define GLK_MAGNETIC_DETECTION 25 26 #include "common/fs.h" 27 #include "common/hash-str.h" 28 #include "engines/game.h" 29 #include "glk/detection.h" 30 31 namespace Glk { 32 namespace Magnetic { 33 34 /** 35 * The following game database is built from Generic/games.txt, and is used 36 * to identify the game being run. Magnetic Scrolls games don't generally 37 * supply a status line, so this data can be used instead. 38 */ 39 struct gms_game_table_t { 40 const uint32 undo_size; ///< Header word at offset 0x22 41 const uint32 undo_pc; ///< Header word at offset 0x26 42 const char *const name; ///< Game title and platform 43 }; 44 typedef const gms_game_table_t *gms_game_tableref_t; 45 46 /** 47 * Meta engine for Magnetic interpreter 48 */ 49 class MagneticMetaEngine { 50 public: 51 /** 52 * Get a list of supported games 53 */ 54 static void getSupportedGames(PlainGameList &games); 55 56 /** 57 * Returns a game description for the given game Id, if it's supported 58 */ 59 static GameDescriptor findGame(const char *gameId); 60 61 /** 62 * Detect supported games 63 */ 64 static bool detectGames(const Common::FSList &fslist, DetectedGames &gameList); 65 66 /** 67 * Check for game Id clashes with other sub-engines 68 */ 69 static void detectClashes(Common::StringMap &map); 70 }; 71 72 /** 73 * Look up and return the game table entry given a game's undo size and 74 * undo pc values. Returns the entry, or NULL if not found. 75 */ 76 extern const gms_game_table_t *gms_gameid_lookup_game(uint32 undo_size, uint32 undo_pc); 77 78 } // End of namespace Magnetic 79 } // End of namespace Glk 80 81 #endif 82