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/* 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
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