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| author | Johannes Schickel | 2007-02-02 16:02:59 +0000 |
|---|---|---|
| committer | Johannes Schickel | 2007-02-02 16:02:59 +0000 |
| commit | 4387a851a2d11db7464009d58f738c084c308fd2 (patch) | |
| tree | 7615c12cd542056d1b8e7beef14dc4eeeb26fc6f /engines/kyra | |
| parent | 013f1711c48edcebc3215fb5cfd1aaf1a796701a (diff) | |
| download | scummvm-rg350-4387a851a2d11db7464009d58f738c084c308fd2.tar.gz scummvm-rg350-4387a851a2d11db7464009d58f738c084c308fd2.tar.bz2 scummvm-rg350-4387a851a2d11db7464009d58f738c084c308fd2.zip | |
Replace filesize based kyra.dat check with a md5 based.
svn-id: r25337
Diffstat (limited to 'engines/kyra')
| -rw-r--r-- | engines/kyra/staticres.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/engines/kyra/staticres.cpp b/engines/kyra/staticres.cpp index 00007ddc49..2367a8e268 100644 --- a/engines/kyra/staticres.cpp +++ b/engines/kyra/staticres.cpp @@ -22,6 +22,7 @@ #include "common/stdafx.h" #include "common/endian.h" +#include "common/md5.h" #include "kyra/kyra.h" #include "kyra/kyra2.h" #include "kyra/kyra3.h" @@ -30,17 +31,27 @@ namespace Kyra { -#define RESFILE_VERSION 13 -#define KYRADAT_FILESIZE 142510 +#define RESFILE_VERSION 14 bool StaticResource::checkKyraDat() { Common::File kyraDat; if (!kyraDat.open("KYRA.DAT")) return false; - if (kyraDat.size() != KYRADAT_FILESIZE) + uint32 size = kyraDat.size() - 16; + uint8 digest[16]; + kyraDat.seek(size, SEEK_SET); + if (kyraDat.read(digest, 16) != 16) return false; + kyraDat.close(); + uint8 digestCalc[16]; + if (!Common::md5_file("KYRA.DAT", digestCalc, size)) + return false; + + for (int i = 0; i < 16; ++i) + if (digest[i] != digestCalc[i]) + return false; return true; } @@ -57,13 +68,14 @@ enum { GF_GERMAN = 1 << 6, GF_SPANISH = 1 << 7, GF_ITALIAN = 1 << 8, + GF_JAPANESE = 1 << 9, // other languages here GF_LNGUNK = 1 << 16, // also used for multi language in kyra3 GF_AMIGA = 1 << 17 // this is no special version flag yet! }; #define GAME_FLAGS (GF_FLOPPY | GF_TALKIE | GF_DEMO/* | GF_AUDIOCD*/) -#define LANGUAGE_FLAGS (GF_ENGLISH | GF_FRENCH | GF_GERMAN | GF_SPANISH | GF_ITALIAN | GF_LNGUNK) +#define LANGUAGE_FLAGS (GF_ENGLISH | GF_FRENCH | GF_GERMAN | GF_SPANISH | GF_ITALIAN | GF_JAPANESE | GF_LNGUNK) uint32 createFeatures(const GameFlags &flags) { if (flags.isTalkie) |