OpenTTD
cheat_sl.cpp
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1 /* $Id: cheat_sl.cpp 26482 2014-04-23 20:13:33Z rubidium $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * OpenTTD 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, version 2.
6  * OpenTTD 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.
7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8  */
9 
12 #include "../stdafx.h"
13 #include "../cheat_type.h"
14 
15 #include "saveload.h"
16 
17 #include "../safeguards.h"
18 
22 static void Save_CHTS()
23 {
24  /* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
25  byte count = sizeof(_cheats) / sizeof(Cheat);
26  Cheat *cht = (Cheat*) &_cheats;
27  Cheat *cht_last = &cht[count];
28 
29  SlSetLength(count * 2);
30  for (; cht != cht_last; cht++) {
31  SlWriteByte(cht->been_used);
32  SlWriteByte(cht->value);
33  }
34 }
35 
39 static void Load_CHTS()
40 {
41  Cheat *cht = (Cheat*)&_cheats;
42  size_t count = SlGetFieldLength() / 2;
43  /* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
44  if (count > sizeof(_cheats) / sizeof(Cheat)) SlErrorCorrupt("Too many cheat values");
45 
46  for (uint i = 0; i < count; i++) {
47  cht[i].been_used = (SlReadByte() != 0);
48  cht[i].value = (SlReadByte() != 0);
49  }
50 }
51 
53 extern const ChunkHandler _cheat_chunk_handlers[] = {
54  { 'CHTS', Save_CHTS, Load_CHTS, NULL, NULL, CH_RIFF | CH_LAST},
55 };