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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 "engines/stark/savemetadata.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/services/stateprovider.h"
#include "engines/stark/services/userinterface.h"
#include "graphics/surface.h"
namespace Stark {
SaveMetadata::SaveMetadata() :
_readErrorCode(Common::kNoError),
levelIndex(0),
locationIndex(0),
version(0),
totalPlayTime(0),
saveYear(0),
saveMonth(0),
saveDay(0),
saveHour(0),
saveMinute(0),
gameWindowThumbnail(nullptr) {
}
void SaveMetadata::saveLoad(ResourceSerializer *s) {
s->syncAsString32(description);
syncResourceIndexAsString(s, levelIndex);
syncResourceIndexAsString(s, locationIndex);
_readErrorCode = syncVersion(s);
if (_readErrorCode != Common::kNoError) {
return;
}
if (version >= 9) {
s->syncAsByte(saveDay);
s->syncAsByte(saveMonth);
s->syncAsUint16BE(saveYear);
s->syncAsByte(saveHour);
s->syncAsByte(saveMinute);
s->syncAsSint32LE(totalPlayTime);
}
}
Common::ErrorCode SaveMetadata::read(Common::SeekableReadStream *stream, const Common::String &filename) {
_readFilename = filename;
ResourceSerializer s(stream, nullptr, 0);
saveLoad(&s);
return _readErrorCode;
}
void SaveMetadata::write(Common::WriteStream *stream) {
ResourceSerializer s(nullptr, stream, 0);
saveLoad(&s);
}
void SaveMetadata::syncResourceIndexAsString(ResourceSerializer *s, uint &index) {
Common::String indexRaw = Common::String::format("%02x", index);
s->syncAsString32(indexRaw);
if (s->isLoading()) {
index = strtol(indexRaw.c_str(), nullptr, 16);
}
}
Common::ErrorCode SaveMetadata::syncVersion(ResourceSerializer *s) {
Common::String versionRaw = Common::String::format("Version:\t%02d", version);
s->syncAsString32(versionRaw);
if (s->isLoading()) {
if (!versionRaw.hasPrefix("Version:\t")) {
warning("The save file '%s' does not match the expected format", _readFilename.c_str());
return Common::kReadingFailed;
}
version = atoi(&(versionRaw.c_str()[8]));
if (version < StateProvider::kMinSaveVersion || version > StateProvider::kSaveVersion) {
warning("The save file '%s' version (v%d) is not supported by this version of ResidualVM. Only versions v%d to v%d are allowed.",
_readFilename.c_str(), version, StateProvider::kMinSaveVersion, StateProvider::kSaveVersion);
return Common::kReadingFailed;
}
}
return Common::kNoError;
}
void SaveMetadata::setSaveTime(const TimeDate &timeDate) {
saveDay = timeDate.tm_mday;
saveMonth = timeDate.tm_mon + 1;
saveYear = timeDate.tm_year + 1900;
saveHour = timeDate.tm_hour;
saveMinute = timeDate.tm_min;
}
void SaveMetadata::writeGameScreenThumbnail(Common::WriteStream *stream) {
assert(gameWindowThumbnail);
assert(gameWindowThumbnail->pitch * gameWindowThumbnail->h == UserInterface::kThumbnailSize);
stream->write((const byte *)gameWindowThumbnail->getPixels(), UserInterface::kThumbnailSize);
}
void SaveMetadata::skipGameScreenThumbnail(Common::SeekableReadStream *stream) {
stream->skip(UserInterface::kThumbnailSize);
}
Graphics::Surface *SaveMetadata::readGameScreenThumbnail(Common::SeekableReadStream *stream) {
Graphics::Surface *thumb = new Graphics::Surface();
thumb->create(UserInterface::kThumbnailWidth, UserInterface::kThumbnailHeight, Gfx::Driver::getRGBAPixelFormat());
stream->read(thumb->getPixels(), UserInterface::kThumbnailSize);
return thumb;
}
} // End of namespace Stark
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