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