scummvm/engines/savestate.cpp

114 lines
3.9 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "engines/savestate.h"
#include "engines/engine.h"
#include "engines/metaengine.h"
#include "graphics/surface.h"
#include "common/config-manager.h"
#include "common/textconsole.h"
#include "common/translation.h"
SaveStateDescriptor::SaveStateDescriptor()
// FIXME: default to 0 (first slot) or to -1 (invalid slot) ?
: _slot(-1), _description(), _isDeletable(true), _isWriteProtected(false),
_isLocked(false), _saveDate(), _saveTime(), _playTime(), _playTimeMSecs(0),
_thumbnail(), _saveType(kSaveTypeUndetermined) {
}
SaveStateDescriptor::SaveStateDescriptor(const MetaEngine *metaEngine, int slot, const Common::U32String &d)
: _slot(slot), _description(d), _isLocked(false), _playTimeMSecs(0), _saveType(kSaveTypeUndetermined) {
initSaveSlot(metaEngine);
}
SaveStateDescriptor::SaveStateDescriptor(const MetaEngine *metaEngine, int slot, const Common::String &d)
: _slot(slot), _description(Common::U32String(d)), _isLocked(false), _playTimeMSecs(0), _saveType(kSaveTypeUndetermined) {
initSaveSlot(metaEngine);
}
void SaveStateDescriptor::initSaveSlot(const MetaEngine *metaEngine) {
if (!metaEngine && g_engine)
metaEngine = g_engine->getMetaEngine();
int autosaveSlot = metaEngine ? metaEngine->getAutosaveSlot() : -1;
if (autosaveSlot >= 0 && _slot == autosaveSlot) {
// Do not allow autosave slot to be deleted or overwritten
_isWriteProtected = true;
_isDeletable = false;
} else {
_isWriteProtected = false;
_isDeletable = true;
}
}
void SaveStateDescriptor::setThumbnail(Graphics::Surface *t) {
if (_thumbnail.get() == t)
return;
_thumbnail = Common::SharedPtr<Graphics::Surface>(t, Graphics::SurfaceDeleter());
}
void SaveStateDescriptor::setSaveDate(int year, int month, int day) {
_saveDate = Common::String::format("%.4d-%.2d-%.2d", year, month, day);
}
void SaveStateDescriptor::setSaveTime(int hour, int min) {
_saveTime = Common::String::format("%.2d:%.2d", hour, min);
}
void SaveStateDescriptor::setPlayTime(int hours, int minutes) {
_playTimeMSecs = ((hours * 60 + minutes) * 60) * 1000;
_playTime = Common::String::format("%.2d:%.2d", hours, minutes);
}
void SaveStateDescriptor::setPlayTime(uint32 msecs) {
_playTimeMSecs = msecs;
uint minutes = msecs / 60000;
setPlayTime(minutes / 60, minutes % 60);
}
void SaveStateDescriptor::setAutosave(bool autosave) {
_saveType = autosave ? kSaveTypeAutosave : kSaveTypeRegular;
}
bool SaveStateDescriptor::isAutosave() const {
return hasAutosaveName() || _saveType == kSaveTypeAutosave;
}
bool SaveStateDescriptor::hasAutosaveName() const
{
const Common::U32String &autosave = _("Autosave");
// if the save file name is long enough, just check if it starts with "Autosave"
if (_description.size() >= autosave.size())
return _description.substr(0, autosave.size()) == autosave;
// if the save name has been trimmed, as long as it isn't too short, use fallback logic
if (_description.size() < 14)
return false;
return autosave.substr(0, _description.size()) == _description;
}
bool SaveStateDescriptor::isValid() const
{
return _slot >= 0 && !_description.empty();
}