Common::Error AgiEngine::go() {
if (_game.mouseEnabled) {
CursorMan.showMouse(true);
}
inGameTimerReset();
runGame();
return Common::kNoError;
}
int AgiEngine::agiInit() {
int ec, i;
debug(2, "initializing");
debug(2, "game version = 0x%x", getVersion());
// initialize with adj.ego.move.to.x.y(0, 0) so to speak
_game.adjMouseX = _game.adjMouseY = 0;
// reset all flags to false and all variables to 0
memset(_game.flags, 0, sizeof(_game.flags));
memset(_game.vars, 0, sizeof(_game.vars));
// clear all resources and events
for (i = 0; i < MAX_DIRECTORY_ENTRIES; i++) {
memset(&_game.views[i], 0, sizeof(struct AgiView));
memset(&_game.pictures[i], 0, sizeof(struct AgiPicture));
memset(&_game.logics[i], 0, sizeof(struct AgiLogic));
memset(&_game.sounds[i], 0, sizeof(class AgiSound *)); // _game.sounds contains pointers now
memset(&_game.dirView[i], 0, sizeof(struct AgiDir));
memset(&_game.dirPic[i], 0, sizeof(struct AgiDir));
memset(&_game.dirLogic[i], 0, sizeof(struct AgiDir));
memset(&_game.dirSound[i], 0, sizeof(struct AgiDir));
}
// clear view table
for (i = 0; i < SCREENOBJECTS_MAX; i++)
memset(&_game.screenObjTable[i], 0, sizeof(struct ScreenObjEntry));
memset(&_game.addToPicView, 0, sizeof(struct ScreenObjEntry));
_words->clearEgoWords();
if (!_menu)
_menu = new GfxMenu(this, _gfx, _picture, _text);
_gfx->initPriorityTable();
// Clear the string buffer on startup, but not when the game restarts, as
// some scripts expect that the game strings remain unaffected after a
// restart. An example is script 98 in SQ2, which is not invoked on restart
// to ask Ego's name again. The name is supposed to be maintained in string 1.
// Fixes bug #3292784.
if (!_restartGame) {
for (i = 0; i < MAX_STRINGS; i++)
_game.strings[i][0] = 0;
}
// setup emulation
switch (getVersion() >> 12) {
case 2:
debug("Emulating Sierra AGI v%x.%03x",
(int)(getVersion() >> 12) & 0xF,
(int)(getVersion()) & 0xFFF);
break;
case 3:
debug("Emulating Sierra AGI v%x.002.%03x",
(int)(getVersion() >> 12) & 0xF,
(int)(getVersion()) & 0xFFF);
break;
}
if (getPlatform() == Common::kPlatformAmiga)
_game.gameFlags |= ID_AMIGA;
if (getFeatures() & GF_AGDS)
_game.gameFlags |= ID_AGDS;
if (_game.gameFlags & ID_AMIGA)
debug(1, "Amiga padded game detected.");
if (_game.gameFlags & ID_AGDS)
debug(1, "AGDS mode enabled.");
ec = _loader->init(); // load vol files, etc
if (ec == errOK)
ec = _loader->loadObjects(OBJECTS);
// note: demogs has no words.tok
if (ec == errOK)
ec = _loader->loadWords(WORDS);
// Load logic 0 into memory
if (ec == errOK)
ec = _loader->loadResource(RESOURCETYPE_LOGIC, 0);
#ifdef __DS__
// Normally, the engine loads the predictive text dictionary when the predictive dialog
// is shown. On the DS version, the word completion feature needs the dictionary too.
// FIXME - loadDict() no long exists in AGI as this has been moved to within the
// GUI Predictive Dialog, but DS Word Completion is probably broken due to this...
#endif
_keyHoldMode = false;
_game.mouseFence.setWidth(0); // Reset
// Reset in-game timer
inGameTimerReset();
// Sync volume settings from ScummVM system settings
setVolumeViaSystemSetting();
return ec;
}
int AgiEngine::runGame() {
int ec = errOK;
// Execute the game
do {
debugC(2, kDebugLevelMain, "game loop");
debugC(2, kDebugLevelMain, "game version = 0x%x", getVersion());
if (agiInit() != errOK)
break;
if (_restartGame) {
setFlag(VM_FLAG_RESTART_GAME, true);
// do not set VM_VAR_TIME_DELAY, original AGI did not do it
// Reset in-game timer
inGameTimerReset();
_restartGame = false;
}
// Set computer type (v20 i.e. vComputer) and sound type
switch (getPlatform()) {
case Common::kPlatformAtariST:
setVar(VM_VAR_COMPUTER, kAgiComputerAtariST);
setVar(VM_VAR_SOUNDGENERATOR, kAgiSoundPC);
break;
case Common::kPlatformAmiga:
if (getFeatures() & GF_OLDAMIGAV20)
setVar(VM_VAR_COMPUTER, kAgiComputerAmigaOld);
else
setVar(VM_VAR_COMPUTER, kAgiComputerAmiga);
setVar(VM_VAR_SOUNDGENERATOR, kAgiSoundTandy);
break;
case Common::kPlatformApple2GS:
setVar(VM_VAR_COMPUTER, kAgiComputerApple2GS);
if (getFeatures() & GF_2GSOLDSOUND)
setVar(VM_VAR_SOUNDGENERATOR, kAgiSound2GSOld);
else
setVar(VM_VAR_SOUNDGENERATOR, kAgiSoundTandy);
break;
case Common::kPlatformDOS:
default:
setVar(VM_VAR_COMPUTER, kAgiComputerPC);
setVar(VM_VAR_SOUNDGENERATOR, kAgiSoundPC);
break;
}
// Set monitor type (v26 i.e. vMonitor)
switch (_renderMode) {
case Common::kRenderCGA:
setVar(VM_VAR_MONITOR, kAgiMonitorCga);
break;
case Common::kRenderHercA:
case Common::kRenderHercG:
setVar(VM_VAR_MONITOR, kAgiMonitorHercules);
break;
// Don't know if Amiga AGI games use a different value than kAgiMonitorEga
// for vMonitor so I just use kAgiMonitorEga for them (As was done before too).
case Common::kRenderAmiga:
case Common::kRenderApple2GS:
case Common::kRenderAtariST:
case Common::kRenderEGA:
case Common::kRenderVGA:
default:
setVar(VM_VAR_MONITOR, kAgiMonitorEga);
break;
}
setVar(VM_VAR_FREE_PAGES, 180); // Set amount of free memory to realistic value
setVar(VM_VAR_MAX_INPUT_CHARACTERS, 38);
_text->promptDisable();
ec = playGame();
agiDeinit();
} while (_restartGame);
delete _menu;
_menu = NULL;
releaseImageStack();
return ec;
}
