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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 "engines/advancedDetector.h"
#include "common/file.h"
#include "toltecs/toltecs.h"
namespace Toltecs {
struct ToltecsGameDescription {
ADGameDescription desc;
};
uint32 ToltecsEngine::getFeatures() const {
return _gameDescription->desc.flags;
}
Common::Language ToltecsEngine::getLanguage() const {
return _gameDescription->desc.language;
}
}
static const PlainGameDescriptor toltecsGames[] = {
{"toltecs", "3 Skulls of the Toltecs"},
{0, 0}
};
namespace Toltecs {
static const ToltecsGameDescription gameDescriptions[] = {
{
// 3 Skulls of the Toltecs English version
{
"toltecs",
0,
AD_ENTRY1s("WESTERN", "05472037e9cfde146e953c434e74f0f4", 337643527),
Common::EN_ANY,
Common::kPlatformPC,
ADGF_NO_FLAGS
},
},
{
// 3 Skulls of the Toltecs Russian version
{
"toltecs",
0,
AD_ENTRY1s("WESTERN", "ba1742d3193b68ceb9434e2ab7a09a9b", 391462783),
Common::RU_RUS,
Common::kPlatformPC,
ADGF_NO_FLAGS
},
},
{
// 3 Skulls of the Toltecs German version
{
"toltecs",
0,
AD_ENTRY1s("WESTERN", "1a3292bad8e0bb5701800c73531dd75e", 345176617),
Common::DE_DEU,
Common::kPlatformPC,
ADGF_NO_FLAGS
},
},
{ AD_TABLE_END_MARKER }
};
} // End of namespace Toltecs
static const ADParams detectionParams = {
// Pointer to ADGameDescription or its superset structure
(const byte *)Toltecs::gameDescriptions,
// Size of that superset structure
sizeof(Toltecs::ToltecsGameDescription),
// Number of bytes to compute MD5 sum for
5000,
// List of all engine targets
toltecsGames,
// Structure for autoupgrading obsolete targets
0,
// Name of single gameid (optional)
"toltecs",
// List of files for file-based fallback detection (optional)
0,
// Flags
0
};
class ToltecsMetaEngine : public AdvancedMetaEngine {
public:
ToltecsMetaEngine() : AdvancedMetaEngine(detectionParams) {}
virtual const char *getName() const {
return "Toltecs Engine";
}
virtual const char *getCopyright() const {
return "Toltecs Engine (C) 1996";
}
virtual bool hasFeature(MetaEngineFeature f) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
SaveStateList listSaves(const char *target) const;
virtual int getMaximumSaveSlot() const;
void removeSaveState(const char *target, int slot) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool ToltecsMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
// (f == kSupportsLoadingDuringStartup) ||
// (f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail);
}
bool Toltecs::ToltecsEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime);
}
bool ToltecsMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
const Toltecs::ToltecsGameDescription *gd = (const Toltecs::ToltecsGameDescription *)desc;
if (gd) {
*engine = new Toltecs::ToltecsEngine(syst, gd);
}
return gd != 0;
}
SaveStateList ToltecsMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Toltecs::ToltecsEngine::SaveHeader header;
Common::String pattern = target;
pattern += ".???";
Common::StringList filenames;
filenames = saveFileMan->listSavefiles(pattern.c_str());
Common::sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
SaveStateList saveList;
for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); file++) {
// Obtain the last 3 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 3);
if (slotNum >= 0 && slotNum <= 999) {
Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
if (in) {
if (Toltecs::ToltecsEngine::readSaveHeader(in, false, header) == Toltecs::ToltecsEngine::kRSHENoError) {
saveList.push_back(SaveStateDescriptor(slotNum, header.description));
}
delete in;
}
}
}
return saveList;
}
int ToltecsMetaEngine::getMaximumSaveSlot() const {
return 999;
}
void ToltecsMetaEngine::removeSaveState(const char *target, int slot) const {
// Slot 0 can't be deleted, it's for restarting the game(s)
if (slot == 0)
return;
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::String filename = Toltecs::ToltecsEngine::getSavegameFilename(target, slot);
saveFileMan->removeSavefile(filename.c_str());
Common::StringList filenames;
Common::String pattern = target;
pattern += ".???";
filenames = saveFileMan->listSavefiles(pattern.c_str());
Common::sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 3 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 3);
// Rename every slot greater than the deleted slot,
// Also do not rename quicksaves.
if (slotNum > slot && slotNum < 990) {
// FIXME: Our savefile renaming done here is inconsitent with what we do in
// GUI_v2::deleteMenu. While here we rename every slot with a greater equal
// number of the deleted slot to deleted slot, deleted slot + 1 etc.,
// we only rename the following slots in GUI_v2::deleteMenu until a slot
// is missing.
saveFileMan->renameSavefile(file->c_str(), filename.c_str());
filename = Toltecs::ToltecsEngine::getSavegameFilename(target, ++slot);
}
}
}
SaveStateDescriptor ToltecsMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String filename = Toltecs::ToltecsEngine::getSavegameFilename(target, slot);
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());
if (in) {
Toltecs::ToltecsEngine::SaveHeader header;
Toltecs::ToltecsEngine::kReadSaveHeaderError error;
error = Toltecs::ToltecsEngine::readSaveHeader(in, true, header);
delete in;
if (error == Toltecs::ToltecsEngine::kRSHENoError) {
SaveStateDescriptor desc(slot, header.description);
desc.setDeletableFlag(false);
desc.setWriteProtectedFlag(false);
desc.setThumbnail(header.thumbnail);
return desc;
}
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(TOLTECS)
REGISTER_PLUGIN_DYNAMIC(TOLTECS, PLUGIN_TYPE_ENGINE, ToltecsMetaEngine);
#else
REGISTER_PLUGIN_STATIC(TOLTECS, PLUGIN_TYPE_ENGINE, ToltecsMetaEngine);
#endif
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