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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.
*
*/
#include "base/plugins.h"
#include "common/config-manager.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/gui_options.h"
#include "common/savefile.h"
#include "common/system.h"
#include "common/events.h"
#include "common/textconsole.h"
#include "common/translation.h"
#include "engines/util.h"
#include "queen/queen.h"
#include "queen/bankman.h"
#include "queen/command.h"
#include "queen/cutaway.h"
#include "queen/debug.h"
#include "queen/display.h"
#include "queen/graphics.h"
#include "queen/grid.h"
#include "queen/input.h"
#include "queen/logic.h"
#include "queen/resource.h"
#include "queen/sound.h"
#include "queen/talk.h"
#include "queen/walk.h"
#include "engines/metaengine.h"
static const PlainGameDescriptor queenGameDescriptor = {
"queen", "Flight of the Amazon Queen"
};
static const ExtraGuiOption queenExtraGuiOption = {
_s("Floppy intro"),
_s("Use the floppy version's intro (CD version only)"),
"alt_intro",
false
};
class QueenMetaEngine : public MetaEngine {
public:
virtual const char *getName() const;
virtual const char *getOriginalCopyright() const;
virtual bool hasFeature(MetaEngineFeature f) const;
virtual GameList getSupportedGames() const;
virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
virtual GameDescriptor findGame(const char *gameid) const;
virtual GameList detectGames(const Common::FSList &fslist) const;
virtual SaveStateList listSaves(const char *target) const;
virtual int getMaximumSaveSlot() const;
virtual void removeSaveState(const char *target, int slot) const;
virtual Common::Error createInstance(OSystem *syst, Engine **engine) const;
};
const char *QueenMetaEngine::getName() const {
return "Queen";
}
const char *QueenMetaEngine::getOriginalCopyright() const {
return "Flight of the Amazon Queen (C) John Passfield and Steve Stamatiadis";
}
bool QueenMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSupportsDeleteSave);
}
bool Queen::QueenEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime) ||
(f == kSupportsSubtitleOptions);
}
GameList QueenMetaEngine::getSupportedGames() const {
GameList games;
games.push_back(queenGameDescriptor);
return games;
}
int QueenMetaEngine::getMaximumSaveSlot() const { return 99; }
const ExtraGuiOptions QueenMetaEngine::getExtraGuiOptions(const Common::String &target) const {
Common::String guiOptions;
if (ConfMan.hasKey("guioptions", target)) {
guiOptions = ConfMan.get("guioptions", target);
guiOptions = parseGameGUIOptions(guiOptions);
}
ExtraGuiOptions options;
if (!guiOptions.contains(GUIO_NOSPEECH))
options.push_back(queenExtraGuiOption);
return options;
}
GameDescriptor QueenMetaEngine::findGame(const char *gameid) const {
if (0 == scumm_stricmp(gameid, queenGameDescriptor.gameid)) {
return queenGameDescriptor;
}
return GameDescriptor();
}
GameList QueenMetaEngine::detectGames(const Common::FSList &fslist) const {
GameList detectedGames;
// Iterate over all files in the given directory
for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
if (file->isDirectory()) {
continue;
}
if (file->getName().equalsIgnoreCase("queen.1") || file->getName().equalsIgnoreCase("queen.1c")) {
Common::File dataFile;
if (!dataFile.open(*file)) {
continue;
}
Queen::DetectedGameVersion version;
if (Queen::Resource::detectVersion(&version, &dataFile)) {
GameDescriptor dg(queenGameDescriptor.gameid, queenGameDescriptor.description, version.language, version.platform);
if (version.features & Queen::GF_DEMO) {
dg.updateDesc("Demo");
dg.setGUIOptions(GUIO_NOSPEECH);
} else if (version.features & Queen::GF_INTERVIEW) {
dg.updateDesc("Interview");
dg.setGUIOptions(GUIO_NOSPEECH);
} else if (version.features & Queen::GF_FLOPPY) {
dg.updateDesc("Floppy");
dg.setGUIOptions(GUIO_NOSPEECH);
} else if (version.features & Queen::GF_TALKIE) {
dg.updateDesc("Talkie");
}
detectedGames.push_back(dg);
break;
}
}
}
return detectedGames;
}
SaveStateList QueenMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
char saveDesc[32];
Common::String pattern("queen.s??");
filenames = saveFileMan->listSavefiles(pattern);
sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
SaveStateList saveList;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 2 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 2);
if (slotNum >= 0 && slotNum <= 99) {
Common::InSaveFile *in = saveFileMan->openForLoading(*file);
if (in) {
for (int i = 0; i < 4; i++)
in->readUint32BE();
in->read(saveDesc, 32);
saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
delete in;
}
}
}
return saveList;
}
void QueenMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String filename = target;
filename += Common::String::format(".s%02d", slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
Common::Error QueenMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
assert(engine);
*engine = new Queen::QueenEngine(syst);
return Common::kNoError;
}
#if PLUGIN_ENABLED_DYNAMIC(QUEEN)
REGISTER_PLUGIN_DYNAMIC(QUEEN, PLUGIN_TYPE_ENGINE, QueenMetaEngine);
#else
REGISTER_PLUGIN_STATIC(QUEEN, PLUGIN_TYPE_ENGINE, QueenMetaEngine);
#endif
namespace Queen {
QueenEngine::QueenEngine(OSystem *syst)
: Engine(syst), _debugger(0), randomizer("queen") {
}
QueenEngine::~QueenEngine() {
delete _bam;
delete _resource;
delete _bankMan;
delete _command;
delete _debugger;
delete _display;
delete _graphics;
delete _grid;
delete _input;
delete _logic;
delete _sound;
delete _walk;
}
void QueenEngine::registerDefaultSettings() {
ConfMan.registerDefault("talkspeed", Logic::DEFAULT_TALK_SPEED);
ConfMan.registerDefault("subtitles", true);
_subtitles = true;
}
void QueenEngine::checkOptionSettings() {
// check talkspeed value
if (_talkSpeed < MIN_TEXT_SPEED) {
_talkSpeed = MIN_TEXT_SPEED;
} else if (_talkSpeed > MAX_TEXT_SPEED) {
_talkSpeed = MAX_TEXT_SPEED;
}
// demo and interview versions don't have speech at all
if (_sound->speechOn() && (_resource->isDemo() || _resource->isInterview())) {
_sound->speechToggle(false);
}
// ensure text is always on when voice is off
if (!_sound->speechOn()) {
_subtitles = true;
}
}
void QueenEngine::syncSoundSettings() {
Engine::syncSoundSettings();
readOptionSettings();
}
void QueenEngine::readOptionSettings() {
bool mute = false;
if (ConfMan.hasKey("mute"))
mute = ConfMan.getBool("mute");
_sound->setVolume(ConfMan.getInt("music_volume"));
_sound->musicToggle(!(mute || ConfMan.getBool("music_mute")));
_sound->sfxToggle(!(mute || ConfMan.getBool("sfx_mute")));
_sound->speechToggle(!(mute || ConfMan.getBool("speech_mute")));
_talkSpeed = (ConfMan.getInt("talkspeed") * (MAX_TEXT_SPEED - MIN_TEXT_SPEED) + 255 / 2) / 255 + MIN_TEXT_SPEED;
_subtitles = ConfMan.getBool("subtitles");
checkOptionSettings();
}
void QueenEngine::writeOptionSettings() {
ConfMan.setInt("music_volume", _sound->getVolume());
ConfMan.setBool("music_mute", !_sound->musicOn());
ConfMan.setBool("sfx_mute", !_sound->sfxOn());
ConfMan.setInt("talkspeed", ((_talkSpeed - MIN_TEXT_SPEED) * 255 + (MAX_TEXT_SPEED - MIN_TEXT_SPEED) / 2) / (MAX_TEXT_SPEED - MIN_TEXT_SPEED));
ConfMan.setBool("speech_mute", !_sound->speechOn());
ConfMan.setBool("subtitles", _subtitles);
ConfMan.flushToDisk();
}
void QueenEngine::update(bool checkPlayerInput) {
_debugger->onFrame();
_graphics->update(_logic->currentRoom());
_logic->update();
int frameDelay = (_lastUpdateTime + Input::DELAY_NORMAL - _system->getMillis());
if (frameDelay <= 0) {
frameDelay = 1;
}
_input->delay(frameDelay);
_lastUpdateTime = _system->getMillis();
if (!_resource->isInterview()) {
_display->palCustomScroll(_logic->currentRoom());
}
BobSlot *joe = _graphics->bob(0);
_display->update(joe->active, joe->x, joe->y);
_input->checkKeys();
if (_input->debugger()) {
_input->debuggerReset();
_debugger->attach();
}
if (canLoadOrSave()) {
if (_input->quickSave()) {
_input->quickSaveReset();
saveGameState(SLOT_QUICKSAVE, "Quicksave");
}
if (_input->quickLoad()) {
_input->quickLoadReset();
loadGameState(SLOT_QUICKSAVE);
}
if (shouldPerformAutoSave(_lastSaveTime)) {
saveGameState(SLOT_AUTOSAVE, "Autosave");
_lastSaveTime = _system->getMillis();
}
}
if (!_input->cutawayRunning()) {
if (checkPlayerInput) {
_command->updatePlayer();
}
if (_input->idleTime() >= Input::DELAY_SCREEN_BLANKER) {
_display->blankScreen();
}
}
_sound->updateMusic();
}
bool QueenEngine::canLoadOrSave() const {
return !_input->cutawayRunning() && !(_resource->isDemo() || _resource->isInterview());
}
bool QueenEngine::canLoadGameStateCurrently() {
return canLoadOrSave();
}
bool QueenEngine::canSaveGameStateCurrently() {
return canLoadOrSave();
}
Common::Error QueenEngine::saveGameState(int slot, const Common::String &desc) {
debug(3, "Saving game to slot %d", slot);
char name[20];
Common::Error err = Common::kNoError;
makeGameStateName(slot, name);
Common::OutSaveFile *file = _saveFileMan->openForSaving(name);
if (file) {
// save data
byte *saveData = new byte[SAVESTATE_MAX_SIZE];
byte *p = saveData;
_bam->saveState(p);
_grid->saveState(p);
_logic->saveState(p);
_sound->saveState(p);
uint32 dataSize = p - saveData;
assert(dataSize < SAVESTATE_MAX_SIZE);
// write header
file->writeUint32BE('SCVM');
file->writeUint32BE(SAVESTATE_CUR_VER);
file->writeUint32BE(0);
file->writeUint32BE(dataSize);
char description[32];
Common::strlcpy(description, desc.c_str(), sizeof(description));
file->write(description, sizeof(description));
// write save data
file->write(saveData, dataSize);
file->finalize();
// check for errors
if (file->err()) {
warning("Can't write file '%s'. (Disk full?)", name);
err = Common::kWritingFailed;
}
delete[] saveData;
delete file;
} else {
warning("Can't create file '%s', game not saved", name);
err = Common::kCreatingFileFailed;
}
return err;
}
Common::Error QueenEngine::loadGameState(int slot) {
debug(3, "Loading game from slot %d", slot);
Common::Error err = Common::kNoError;
GameStateHeader header;
Common::InSaveFile *file = readGameStateHeader(slot, &header);
if (file && header.dataSize != 0) {
byte *saveData = new byte[header.dataSize];
byte *p = saveData;
if (file->read(saveData, header.dataSize) != header.dataSize) {
warning("Error reading savegame file");
err = Common::kReadingFailed;
} else {
_bam->loadState(header.version, p);
_grid->loadState(header.version, p);
_logic->loadState(header.version, p);
_sound->loadState(header.version, p);
if (header.dataSize != (uint32)(p - saveData)) {
warning("Corrupted savegame file");
err = Common::kReadingFailed; // FIXME
} else {
_logic->setupRestoredGame();
}
}
delete[] saveData;
delete file;
} else {
err = Common::kReadingFailed;
}
return err;
}
Common::InSaveFile *QueenEngine::readGameStateHeader(int slot, GameStateHeader *gsh) {
char name[20];
makeGameStateName(slot, name);
Common::InSaveFile *file = _saveFileMan->openForLoading(name);
if (file && file->readUint32BE() == MKTAG('S','C','V','M')) {
gsh->version = file->readUint32BE();
gsh->flags = file->readUint32BE();
gsh->dataSize = file->readUint32BE();
file->read(gsh->description, sizeof(gsh->description));
} else {
memset(gsh, 0, sizeof(GameStateHeader));
}
return file;
}
void QueenEngine::makeGameStateName(int slot, char *buf) const {
if (slot == SLOT_LISTPREFIX) {
strcpy(buf, "queen.s??");
} else if (slot == SLOT_AUTOSAVE) {
strcpy(buf, "queen.asd");
} else {
assert(slot >= 0);
sprintf(buf, "queen.s%02d", slot);
}
}
int QueenEngine::getGameStateSlot(const char *filename) const {
int i = -1;
const char *slot = strrchr(filename, '.');
if (slot && (slot[1] == 's' || slot[1] == 'S')) {
i = atoi(slot + 2);
}
return i;
}
void QueenEngine::findGameStateDescriptions(char descriptions[100][32]) {
char prefix[20];
makeGameStateName(SLOT_LISTPREFIX, prefix);
Common::StringArray filenames = _saveFileMan->listSavefiles(prefix);
for (Common::StringArray::const_iterator it = filenames.begin(); it != filenames.end(); ++it) {
int i = getGameStateSlot(it->c_str());
if (i >= 0 && i < SAVESTATE_MAX_NUM) {
GameStateHeader header;
Common::InSaveFile *f = readGameStateHeader(i, &header);
strcpy(descriptions[i], header.description);
delete f;
}
}
}
GUI::Debugger *QueenEngine::getDebugger() {
return _debugger;
}
Common::Error QueenEngine::run() {
initGraphics(GAME_SCREEN_WIDTH, GAME_SCREEN_HEIGHT, false);
_resource = new Resource();
_bam = new BamScene(this);
_bankMan = new BankManager(_resource);
_command = new Command(this);
_debugger = new Debugger(this);
_display = new Display(this, _system);
_graphics = new Graphics(this);
_grid = new Grid(this);
_input = new Input(_resource->getLanguage(), _system, this);
if (_resource->isDemo()) {
_logic = new LogicDemo(this);
} else if (_resource->isInterview()) {
_logic = new LogicInterview(this);
} else {
_logic = new LogicGame(this);
}
_sound = Sound::makeSoundInstance(_mixer, this, _resource->getCompression());
_walk = new Walk(this);
//_talkspeedScale = (MAX_TEXT_SPEED - MIN_TEXT_SPEED) / 255.0;
registerDefaultSettings();
// Setup mixer
syncSoundSettings();
_logic->start();
if (ConfMan.hasKey("save_slot") && canLoadOrSave()) {
loadGameState(ConfMan.getInt("save_slot"));
}
_lastSaveTime = _lastUpdateTime = _system->getMillis();
while (!shouldQuit()) {
if (_logic->newRoom() > 0) {
_logic->update();
_logic->oldRoom(_logic->currentRoom());
_logic->currentRoom(_logic->newRoom());
_logic->changeRoom();
_display->fullscreen(false);
if (_logic->currentRoom() == _logic->newRoom()) {
_logic->newRoom(0);
}
} else if (_logic->joeWalk() == JWM_EXECUTE) {
_logic->joeWalk(JWM_NORMAL);
_command->executeCurrentAction();
} else {
_logic->joeWalk(JWM_NORMAL);
update(true);
}
}
return Common::kNoError;
}
} // End of namespace Queen
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