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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/algorithm.h"
#include "common/system.h"
#include "graphics/thumbnail.h"
#include "dreamweb/dreamweb.h"
#include "dreamweb/structs.h"
static const PlainGameDescriptor dreamWebGames[] = {
{ "dreamweb", "DreamWeb" },
{ 0, 0 }
};
#include "dreamweb/detection_tables.h"
class DreamWebMetaEngine : public AdvancedMetaEngine {
public:
DreamWebMetaEngine():
AdvancedMetaEngine(DreamWeb::gameDescriptions,
sizeof(DreamWeb::DreamWebGameDescription), dreamWebGames) {
_singleid = "dreamweb";
_guioptions = GUIO1(GUIO_NOMIDI);
}
virtual const char *getName() const {
return "DreamWeb engine";
}
virtual const char *getOriginalCopyright() const {
return "DreamWeb (C) Creative Reality";
}
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
virtual bool hasFeature(MetaEngineFeature f) const;
virtual SaveStateList listSaves(const char *target) const;
virtual int getMaximumSaveSlot() const;
virtual void removeSaveState(const char *target, int slot) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool DreamWebMetaEngine::hasFeature(MetaEngineFeature f) const {
switch(f) {
case kSupportsListSaves:
case kSupportsLoadingDuringStartup:
case kSupportsDeleteSave:
case kSavesSupportMetaInfo:
case kSavesSupportThumbnail:
case kSavesSupportCreationDate:
case kSavesSupportPlayTime:
return true;
default:
return false;
}
}
bool DreamWeb::DreamWebEngine::hasFeature(EngineFeature f) const {
switch(f) {
case kSupportsRTL:
return true;
case kSupportsSubtitleOptions:
return _gameDescription->desc.flags & ADGF_CD;
default:
return false;
}
return false;
}
bool DreamWebMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
const DreamWeb::DreamWebGameDescription *gd = (const DreamWeb::DreamWebGameDescription *)desc;
if (gd) {
*engine = new DreamWeb::DreamWebEngine(syst, gd);
}
return gd != 0;
}
SaveStateList DreamWebMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray files = saveFileMan->listSavefiles("DREAMWEB.D??");
Common::sort(files.begin(), files.end());
SaveStateList saveList;
for (uint i = 0; i < files.size(); ++i) {
const Common::String &file = files[i];
Common::InSaveFile *stream = saveFileMan->openForLoading(file);
if (!stream)
error("cannot open save file %s", file.c_str());
char name[17] = {};
stream->seek(0x61);
stream->read(name, sizeof(name) - 1);
delete stream;
int slotNum = atoi(file.c_str() + file.size() - 2);
SaveStateDescriptor sd(slotNum, name);
saveList.push_back(sd);
}
return saveList;
}
int DreamWebMetaEngine::getMaximumSaveSlot() const { return 99; }
void DreamWebMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String fileName = Common::String::format("DREAMWEB.D%02d", slot);
g_system->getSavefileManager()->removeSavefile(fileName);
}
SaveStateDescriptor DreamWebMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String filename = Common::String::format("DREAMWEB.D%02d", slot);
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());
if (in) {
DreamGen::FileHeader header;
in->read((uint8 *)&header, sizeof(DreamGen::FileHeader));
Common::String saveName;
byte descSize = header.len(0);
byte i;
for (i = 0; i < descSize; i++)
saveName += (char)in->readByte();
SaveStateDescriptor desc(slot, saveName);
desc.setDeletableFlag(true);
desc.setWriteProtectedFlag(false);
// Check if there is a ScummVM data block
if (header.len(6) == SCUMMVM_BLOCK_MAGIC_SIZE) {
// Skip the game data
for (i = 1; i <= 5; i++)
in->skip(header.len(i));
uint32 tag = in->readUint32BE();
if (tag != SCUMMVM_HEADER) {
warning("ScummVM data block found, but the block header is incorrect - skipping");
delete in;
return desc;
}
byte version = in->readByte();
if (version > SAVEGAME_VERSION) {
warning("ScummVM data block found, but it has been saved with a newer version of ScummVM - skipping");
delete in;
return desc;
}
uint32 saveDate = in->readUint32LE();
uint32 saveTime = in->readUint32LE();
uint32 playTime = in->readUint32LE();
Graphics::Surface *thumbnail = Graphics::loadThumbnail(*in);
int day = (saveDate >> 24) & 0xFF;
int month = (saveDate >> 16) & 0xFF;
int year = saveDate & 0xFFFF;
int hour = (saveTime >> 16) & 0xFF;
int minutes = (saveTime >> 8) & 0xFF;
desc.setSaveDate(year, month, day);
desc.setSaveTime(hour, minutes);
desc.setPlayTime(playTime * 1000);
desc.setThumbnail(thumbnail);
}
return desc;
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(DREAMWEB)
REGISTER_PLUGIN_DYNAMIC(DREAMWEB, PLUGIN_TYPE_ENGINE, DreamWebMetaEngine);
#else
REGISTER_PLUGIN_STATIC(DREAMWEB, PLUGIN_TYPE_ENGINE, DreamWebMetaEngine);
#endif
namespace DreamWeb {
Common::Error DreamWebEngine::loadGameState(int slot) {
return Common::kNoError;
}
Common::Error DreamWebEngine::saveGameState(int slot, const Common::String &desc) {
return Common::kNoError;
}
bool DreamWebEngine::canLoadGameStateCurrently() {
return false;
}
bool DreamWebEngine::canSaveGameStateCurrently() {
return false;
}
} // End of namespace DreamWeb
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