1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 
24 #include "kyra/gui/gui.h"
25 #include "kyra/kyra_v1.h"
26 #include "kyra/engine/util.h"
27 
28 #include "common/savefile.h"
29 #include "common/system.h"
30 
31 
32 namespace Kyra {
33 
GUI(KyraEngine_v1 * kyra)34 GUI::GUI(KyraEngine_v1 *kyra) : _vm(kyra), _screen(kyra->screen()) {
35 	_saveSlotsListUpdateNeeded = true;
36 	_savegameListSize = 0;
37 	_savegameList = 0;
38 }
39 
~GUI()40 GUI::~GUI() {
41 	if (_savegameList) {
42 		for (int i = 0; i < _savegameListSize; i++)
43 			delete[] _savegameList[i];
44 		delete[] _savegameList;
45 		_savegameList = 0;
46 	}
47 }
48 
updateSaveFileList(Common::String targetName,bool excludeQuickSaves)49 void GUI::updateSaveFileList(Common::String targetName, bool excludeQuickSaves) {
50 	Common::String pattern = targetName + ".###";
51 	Common::StringArray saveFileList = _vm->_saveFileMan->listSavefiles(pattern);
52 	_saveSlots.clear();
53 
54 	for (Common::StringArray::const_iterator i = saveFileList.begin(); i != saveFileList.end(); ++i) {
55 		// The last 3 digits of the filename correspond to the save slot.
56 		const int slotNum = atoi(i->c_str() + i->size() - 3);
57 		if (excludeQuickSaves && slotNum >= 990)
58 			continue;
59 		_saveSlots.push_back(slotNum);
60 	}
61 
62 	if (_saveSlots.begin() == _saveSlots.end())
63 		return;
64 
65 	sortSaveSlots();
66 }
67 
sortSaveSlots()68 void GUI::sortSaveSlots() {
69 	Common::sort(_saveSlots.begin(), _saveSlots.end(), Common::Less<int>());
70 	if (_saveSlots.size() > 2)
71 		Common::sort(_saveSlots.begin() + 1, _saveSlots.end(), Common::Greater<int>());
72 }
73 
getNextSavegameSlot()74 int GUI::getNextSavegameSlot() {
75 	Common::InSaveFile *in;
76 
77 	int start = _vm->game() == GI_LOL ? 0 : 1;
78 
79 	for (int i = start; i < 990; i++) {
80 		if ((in = _vm->_saveFileMan->openForLoading(_vm->getSavegameFilename(i))))
81 			delete in;
82 		else
83 			return i;
84 	}
85 	warning("Didn't save: Ran out of saveGame filenames");
86 	return 0;
87 }
88 
updateSaveSlotsList(Common::String targetName,bool force)89 void GUI::updateSaveSlotsList(Common::String targetName, bool force) {
90 	if (!_saveSlotsListUpdateNeeded && !force)
91 		return;
92 
93 	_saveSlotsListUpdateNeeded = false;
94 
95 	if (_savegameList) {
96 		for (int i = 0; i < _savegameListSize; i++)
97 			delete[] _savegameList[i];
98 		delete[] _savegameList;
99 	}
100 
101 	updateSaveFileList(targetName, true);
102 	int numSaves = _savegameListSize = _saveSlots.size();
103 	bool allowEmptySlots = (_vm->game() == GI_EOB1 || _vm->game() == GI_EOB2);
104 
105 	if (_savegameListSize) {
106 		if (allowEmptySlots)
107 			_savegameListSize = 990;
108 
109 		KyraEngine_v1::SaveHeader header;
110 		Common::InSaveFile *in;
111 
112 		_savegameList = new char*[_savegameListSize];
113 		memset(_savegameList, 0, _savegameListSize * sizeof(char *));
114 
115 		for (int i = 0; i < numSaves; i++) {
116 			in = _vm->openSaveForReading(_vm->getSavegameFilename(targetName, _saveSlots[i]).c_str(), header, targetName == _vm->_targetName);
117 			char **listEntry = &_savegameList[allowEmptySlots ? _saveSlots[i] : i];
118 			if (in) {
119 				*listEntry = new char[header.description.size() + 1];
120 				Common::strlcpy(*listEntry, header.description.c_str(), header.description.size() + 1);
121 				Util::convertISOToDOS(*listEntry);
122 				delete in;
123 			} else {
124 				*listEntry = 0;
125 				error("GUI::updateSavegameList(): Unexpected missing save file for slot: %d.", _saveSlots[i]);
126 			}
127 		}
128 
129 	} else {
130 		_savegameList = 0;
131 	}
132 }
133 
134 } // End of namespace Kyra
135