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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.
*
* $URL$
* $Id$
*
*/
#include "sky/control.h"
#include "sky/sky.h"
#include "base/plugins.h"
#include "common/config-manager.h"
#include "common/advancedDetector.h"
#include "common/system.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/savefile.h"
#include "engines/metaengine.h"
static const PlainGameDescriptor skySetting =
{"sky", "Beneath a Steel Sky" };
struct SkyVersion {
int dinnerTableEntries;
int dataDiskSize;
const char *extraDesc;
int version;
};
// TODO: Would be nice if Disk::determineGameVersion() used this table, too.
static const SkyVersion skyVersions[] = {
{ 243, -1, "pc gamer demo", 109 },
{ 247, -1, "floppy demo", 267 },
{ 1404, -1, "floppy", 288 },
{ 1413, -1, "floppy", 303 },
{ 1445, 8830435, "floppy", 348 },
{ 1445, -1, "floppy", 331 },
{ 1711, -1, "cd demo", 365 },
{ 5099, -1, "cd", 368 },
{ 5097, -1, "cd", 372 },
{ 0, 0, 0, 0 }
};
class SkyMetaEngine : public MetaEngine {
public:
virtual const char *getName() const;
virtual const char *getCopyright() const;
virtual bool hasFeature(MetaEngineFeature f) const;
virtual GameList getSupportedGames() const;
virtual GameDescriptor findGame(const char *gameid) const;
virtual GameList detectGames(const Common::FSList &fslist) const;
virtual Common::Error createInstance(OSystem *syst, Engine **engine) const;
virtual SaveStateList listSaves(const char *target) const;
virtual int getMaximumSaveSlot() const;
};
const char *SkyMetaEngine::getName() const {
return "Beneath a Steel Sky";
}
const char *SkyMetaEngine::getCopyright() const {
return "Beneath a Steel Sky (C) Revolution";
}
bool SkyMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup);
}
bool Sky::SkyEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL);
}
GameList SkyMetaEngine::getSupportedGames() const {
GameList games;
games.push_back(skySetting);
return games;
}
GameDescriptor SkyMetaEngine::findGame(const char *gameid) const {
if (0 == scumm_stricmp(gameid, skySetting.gameid))
return skySetting;
return GameDescriptor();
}
GameList SkyMetaEngine::detectGames(const Common::FSList &fslist) const {
GameList detectedGames;
bool hasSkyDsk = false;
bool hasSkyDnr = false;
int dinnerTableEntries = -1;
int dataDiskSize = -1;
// Iterate over all files in the given directory
for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
if (!file->isDirectory()) {
const char *fileName = file->getName().c_str();
if (0 == scumm_stricmp("sky.dsk", fileName)) {
Common::File dataDisk;
if (dataDisk.open(*file)) {
hasSkyDsk = true;
dataDiskSize = dataDisk.size();
}
}
if (0 == scumm_stricmp("sky.dnr", fileName)) {
Common::File dinner;
if (dinner.open(*file)) {
hasSkyDnr = true;
dinnerTableEntries = dinner.readUint32LE();
}
}
}
}
if (hasSkyDsk && hasSkyDnr) {
// Match found, add to list of candidates, then abort inner loop.
// The game detector uses US English by default. We want British
// English to match the recorded voices better.
GameDescriptor dg(skySetting.gameid, skySetting.description, Common::UNK_LANG, Common::kPlatformUnknown);
const SkyVersion *sv = skyVersions;
while (sv->dinnerTableEntries) {
if (dinnerTableEntries == sv->dinnerTableEntries &&
(sv->dataDiskSize == dataDiskSize || sv->dataDiskSize == -1)) {
char buf[32];
snprintf(buf, sizeof(buf), "v0.0%d %s", sv->version, sv->extraDesc);
dg.updateDesc(buf);
break;
}
++sv;
}
detectedGames.push_back(dg);
}
return detectedGames;
}
Common::Error SkyMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
assert(engine);
*engine = new Sky::SkyEngine(syst);
return Common::kNoError;
}
SaveStateList SkyMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
SaveStateList saveList;
// Load the descriptions
Common::StringList savenames;
savenames.resize(MAX_SAVE_GAMES+1);
Common::InSaveFile *inf;
inf = saveFileMan->openForLoading("SKY-VM.SAV");
if (inf != NULL) {
char *tmpBuf = new char[MAX_SAVE_GAMES * MAX_TEXT_LEN];
char *tmpPtr = tmpBuf;
inf->read(tmpBuf, MAX_SAVE_GAMES * MAX_TEXT_LEN);
for (int i = 0; i < MAX_SAVE_GAMES; ++i) {
savenames[i] = tmpPtr;
tmpPtr += savenames[i].size() + 1;
}
delete inf;
delete[] tmpBuf;
}
// Find all saves
Common::StringList filenames;
filenames = saveFileMan->listSavefiles("SKY-VM.???");
sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
// Slot 0 is the autosave, if it exists.
// TODO: Check for the existence of the autosave -- but this require us
// to know which SKY variant we are looking at.
saveList.insert_at(0, SaveStateDescriptor(0, "*AUTOSAVE*"));
// Prepare the list of savestates by looping over all matching savefiles
for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); file++) {
// Extract the extension
Common::String ext = file->c_str() + file->size() - 3;
ext.toUppercase();
if (isdigit(ext[0]) && isdigit(ext[1]) && isdigit(ext[2])){
int slotNum = atoi(ext.c_str());
Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
if (in) {
saveList.push_back(SaveStateDescriptor(slotNum+1, savenames[slotNum]));
delete in;
}
}
}
return saveList;
}
int SkyMetaEngine::getMaximumSaveSlot() const { return MAX_SAVE_GAMES; }
#if PLUGIN_ENABLED_DYNAMIC(SKY)
REGISTER_PLUGIN_DYNAMIC(SKY, PLUGIN_TYPE_ENGINE, SkyMetaEngine);
#else
REGISTER_PLUGIN_STATIC(SKY, PLUGIN_TYPE_ENGINE, SkyMetaEngine);
#endif
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