thirdparty/scummvm
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Store and compare MD5s in the saves

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svn-id: r41245
This commit is contained in:
Eugene Sandulenko 2009-06-06 17:41:50 +00:00
parent a5d762c029
commit b26ae991f8
3 changed files with 30 additions and 1 deletions
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25
engines/agi/saveload.cpp
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@ -39,7 +39,7 @@
#include "agi/keyboard.h"
#include "agi/menu.h"
#define SAVEGAME_VERSION 4
#define SAVEGAME_VERSION 5
//
// Version 0 (Sarien): view table has 64 entries
@ -47,6 +47,7 @@
// Version 2 (ScummVM): first ScummVM version
// Version 3 (ScummVM): added AGIPAL save/load support
// Version 4 (ScummVM): added thumbnails and save creation date/time
// Version 5 (ScummVM): Added game md5
//
namespace Agi {
@ -96,6 +97,10 @@ int AgiEngine::saveGame(const char *fileName, const char *description) {
out->write(gameIDstring, 8);
debugC(5, kDebugLevelMain | kDebugLevelSavegame, "Writing game id (%s, %s)", gameIDstring, _game.id);
const char *tmp = getGameMD5();
for (i = 0; i < 32; i++)
out->writeByte(tmp[i]);
for (i = 0; i < MAX_FLAGS; i++)
out->writeByte(_game.flags[i]);
for (i = 0; i < MAX_VARS; i++)
@ -299,6 +304,24 @@ int AgiEngine::loadGame(const char *fileName, bool checkId) {
strncpy(_game.id, loadId, 8);
if (saveVersion >= 5) {
char md5[32 + 1];
for (i = 0; i < 32; i++) {
md5[i] = in->readByte();
}
md5[i] = 0; // terminate
debug(0, "Saved game MD5: %s", md5);
if (strcmp(md5, getGameMD5())) {
warning("Game was saved with different gamedata - you may encounter problems");
debug(0, "You have %s and save is %s.", getGameMD5(), md5);
}
}
for (i = 0; i < MAX_FLAGS; i++)
_game.flags[i] = in->readByte();
for (i = 0; i < MAX_VARS; i++)