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Diffstat (limited to 'engines/kyra/gui/gui.cpp')
-rw-r--r-- | engines/kyra/gui/gui.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/engines/kyra/gui/gui.cpp b/engines/kyra/gui/gui.cpp new file mode 100644 index 0000000000..dfceee86ea --- /dev/null +++ b/engines/kyra/gui/gui.cpp @@ -0,0 +1,134 @@ +/* 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 "kyra/gui/gui.h" +#include "kyra/kyra_v1.h" +#include "kyra/engine/util.h" + +#include "common/savefile.h" +#include "common/system.h" + + +namespace Kyra { + +GUI::GUI(KyraEngine_v1 *kyra) : _vm(kyra), _screen(kyra->screen()) { + _saveSlotsListUpdateNeeded = true; + _savegameListSize = 0; + _savegameList = 0; +} + +GUI::~GUI() { + if (_savegameList) { + for (int i = 0; i < _savegameListSize; i++) + delete[] _savegameList[i]; + delete[] _savegameList; + _savegameList = 0; + } +} + +void GUI::updateSaveFileList(Common::String targetName, bool excludeQuickSaves) { + Common::String pattern = targetName + ".###"; + Common::StringArray saveFileList = _vm->_saveFileMan->listSavefiles(pattern); + _saveSlots.clear(); + + for (Common::StringArray::const_iterator i = saveFileList.begin(); i != saveFileList.end(); ++i) { + // The last 3 digits of the filename correspond to the save slot. + const int slotNum = atoi(i->c_str() + i->size() - 3); + if (excludeQuickSaves && slotNum >= 990) + continue; + _saveSlots.push_back(slotNum); + } + + if (_saveSlots.begin() == _saveSlots.end()) + return; + + sortSaveSlots(); +} + +void GUI::sortSaveSlots() { + Common::sort(_saveSlots.begin(), _saveSlots.end(), Common::Less<int>()); + if (_saveSlots.size() > 2) + Common::sort(_saveSlots.begin() + 1, _saveSlots.end(), Common::Greater<int>()); +} + +int GUI::getNextSavegameSlot() { + Common::InSaveFile *in; + + int start = _vm->game() == GI_LOL ? 0 : 1; + + for (int i = start; i < 990; i++) { + if ((in = _vm->_saveFileMan->openForLoading(_vm->getSavegameFilename(i)))) + delete in; + else + return i; + } + warning("Didn't save: Ran out of saveGame filenames"); + return 0; +} + +void GUI::updateSaveSlotsList(Common::String targetName, bool force) { + if (!_saveSlotsListUpdateNeeded && !force) + return; + + _saveSlotsListUpdateNeeded = false; + + if (_savegameList) { + for (int i = 0; i < _savegameListSize; i++) + delete[] _savegameList[i]; + delete[] _savegameList; + } + + updateSaveFileList(targetName, true); + int numSaves = _savegameListSize = _saveSlots.size(); + bool allowEmptySlots = (_vm->game() == GI_EOB1 || _vm->game() == GI_EOB2); + + if (_savegameListSize) { + if (allowEmptySlots) + _savegameListSize = 990; + + KyraEngine_v1::SaveHeader header; + Common::InSaveFile *in; + + _savegameList = new char*[_savegameListSize]; + memset(_savegameList, 0, _savegameListSize * sizeof(char *)); + + for (int i = 0; i < numSaves; i++) { + in = _vm->openSaveForReading(_vm->getSavegameFilename(targetName, _saveSlots[i]).c_str(), header, targetName == _vm->_targetName); + char **listEntry = &_savegameList[allowEmptySlots ? _saveSlots[i] : i]; + if (in) { + *listEntry = new char[header.description.size() + 1]; + Common::strlcpy(*listEntry, header.description.c_str(), header.description.size() + 1); + Util::convertISOToDOS(*listEntry); + delete in; + } else { + *listEntry = 0; + error("GUI::updateSavegameList(): Unexpected missing save file for slot: %d.", _saveSlots[i]); + } + } + + } else { + _savegameList = 0; + } +} + +} // End of namespace Kyra |