diff options
Diffstat (limited to 'engines/glk/scott/scott.h')
| -rw-r--r-- | engines/glk/scott/scott.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/engines/glk/scott/scott.h b/engines/glk/scott/scott.h new file mode 100644 index 0000000000..ec6a8601ba --- /dev/null +++ b/engines/glk/scott/scott.h @@ -0,0 +1,191 @@ +/* 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. + * + */ + +#ifndef GLK_SCOTT +#define GLK_SCOTT + +/* + * Controlling block + */ + +#include "common/scummsys.h" +#include "glk/glk.h" + +namespace Gargoyle { +namespace Scott { + +#define LIGHT_SOURCE 9 // Always 9 how odd +#define CARRIED 255 // Carried +#define DESTROYED 0 // Destroyed +#define DARKBIT 15 +#define LIGHTOUTBIT 16 // Light gone out + +enum GameOption { + YOUARE = 1, ///< You are not I am + SCOTTLIGHT = 2, ///< Authentic Scott Adams light messages + DEBUGGING = 4, ///< Info from database load + TRS80_STYLE = 8, ///< Display in style used on TRS-80 + PREHISTORIC_LAMP = 16 ///< Destroy the lamp (very old databases) +}; + +#define TRS80_LINE "\n<------------------------------------------------------------>\n" +#define MyLoc (GameHeader.PlayerRoom) + +struct Header { + int Unknown; + int NumItems; + int NumActions; + int NumWords; ///< Smaller of verb/noun is padded to same size + int NumRooms; + int MaxCarry; + int PlayerRoom; + int Treasures; + int WordLength; + int LightTime; + int NumMessages; + int TreasureRoom; + + Header() : Unknown(0), NumItems(0), NumActions(0), NumWords(0), NumRooms(0), + MaxCarry(0), PlayerRoom(0), Treasures(0), WordLength(0), LightTime(0), + NumMessages(0), TreasureRoom(0) {} +}; + +struct Action { + uint Vocab; + uint Condition[5]; + uint action[2]; + + Action() : Vocab(0) { + Common::fill(&Condition[0], &Condition[5], 0); + Common::fill(&action[0], &action[2], 0); + } +}; + +struct Room { + char *Text; + short Exits[6]; + + Room() : Text(0) { + Common::fill(&Exits[0], &Exits[6], 0); + } +}; + +struct Item { + char *Text; // PORTABILITY WARNING: THESE TWO MUST BE 8 BIT VALUES. + byte Location; + byte InitialLoc; + char *AutoGet; + + Item() : Text(nullptr), Location(0), InitialLoc(0), AutoGet(nullptr) {} +}; + +struct Tail { + int Version; + int AdventureNumber; + int Unknown; + + Tail() : Version(0), AdventureNumber(0), Unknown(0) {} +}; + +/** + * Scott Adams game interpreter + */ +class Scott : public Glk { +private: + Header GameHeader; + Item *Items; + Room *Rooms; + const char **Verbs; + const char **Nouns; + const char **Messages; + Action *Actions; + int LightRefill; + char NounText[16]; + int Counters[16]; ///< Range unknown + int CurrentCounter; + int SavedRoom; + int RoomSaved[16]; ///< Range unknown + int Options; ///< Option flags set + int Width; ///< Terminal width + int TopHeight; ///< Height of top window + + bool split_screen; + winid_t Bottom, Top; + uint32 BitFlags; ///< Might be >32 flags - I haven't seen >32 yet + int _saveSlot; ///< Save slot when loading savegame from launcher +private: + /** + * Initialization code + */ + void initialize(); + + void display(winid_t w, const char *fmt, ...); + void delay(int seconds); + void fatal(const char *x); + void clearScreen(void); + void *memAlloc(int size); + bool randomPercent(uint n); + int countCarried(void); + const char *mapSynonym(const char *word); + int matchUpItem(const char *text, int loc); + char *readString(Common::SeekableReadStream *f); + void loadDatabase(Common::SeekableReadStream *f, bool loud); + void output(const char *a); + void outputNumber(int a); + void look(void); + int whichWord(const char *word, const char **list); + void lineInput(char *buf, size_t n); + void saveGame(void); + void loadGame(void); + int getInput(int *vb, int *no); + int performLine(int ct); + int performActions(int vb, int no); + + int xstrcasecmp(const char *, const char *); + int xstrncasecmp(const char *, const char *, size_t); + void readInts(Common::SeekableReadStream *f, size_t count, ...); +public: + /** + * Constructor + */ + Scott(OSystem *syst, const GargoyleGameDescription *gameDesc); + + /** + * Execute the game + */ + virtual void runGame(Common::SeekableReadStream *gameFile) override; + + /** + * Load a savegame + */ + virtual Common::Error loadGameState(int slot) override; + + /** + * Save the game + */ + virtual Common::Error saveGameState(int slot, const Common::String &desc) override; +}; + +} // End of namespace Scott +} // End of namespace Gargoyle + +#endif |