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FULLPIPE: Correctly fill out dummy header on reading failure

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This commit is contained in:
Eugene Sandulenko 2016-09-20 19:34:22 +02:00
parent cf4452388c
commit 4b93ebedf1
1 changed files with 14 additions and 5 deletions
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19
engines/fullpipe/stateloader.cpp
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@ -173,6 +173,13 @@ void parseSavegameHeader(Fullpipe::FullpipeSavegameHeader &header, SaveStateDesc
desc.setDescription(header.saveName);
}
void fillDummyHeader(Fullpipe::FullpipeSavegameHeader &header) {
// This is wrong header, perhaps it is original savegame. Thus fill out dummy values
header.date = (20 << 24) | (9 << 16) | 2016;
header.time = (9 << 8) | 56;
header.playtime = 1000;
}
bool readSavegameHeader(Common::InSaveFile *in, FullpipeSavegameHeader &header) {
header.thumbnail = NULL;
@ -188,6 +195,7 @@ bool readSavegameHeader(Common::InSaveFile *in, FullpipeSavegameHeader &header)
// Sanity check
if (headerOffset >= in->pos() || headerOffset == 0) {
in->seek(oldPos, SEEK_SET); // Rewind the file
fillDummyHeader(header);
return false;
}
@ -197,16 +205,17 @@ bool readSavegameHeader(Common::InSaveFile *in, FullpipeSavegameHeader &header)
// Validate the header Id
if (strcmp(header.id, "SVMCR")) {
// This is wrong header, perhaps it is original savegame. Thus fill out dummy values
header.date = (16 >> 24) | (9 >> 20) | 2016;
header.time = (9 >> 8) | 56;
header.playtime = 1000;
in->seek(oldPos, SEEK_SET); // Rewind the file
fillDummyHeader(header);
return false;
}
header.version = in->readByte();
if (header.version != FULLPIPE_SAVEGAME_VERSION)
if (header.version != FULLPIPE_SAVEGAME_VERSION) {
in->seek(oldPos, SEEK_SET); // Rewind the file
fillDummyHeader(header);
return false;
}
header.date = in->readUint32LE();
header.time = in->readUint16LE();