diff options
| -rw-r--r-- | src/gamelog.cpp | 27 | ||||
| -rw-r--r-- | src/gamelog.h | 2 | ||||
| -rw-r--r-- | src/newgrf_gui.cpp | 1 |
3 files changed, 30 insertions, 0 deletions
diff --git a/src/gamelog.cpp b/src/gamelog.cpp index 145351ba9..81c4e59fa 100644 --- a/src/gamelog.cpp +++ b/src/gamelog.cpp @@ -666,3 +666,30 @@ void GamelogGRFUpdate(const GRFConfig *oldc, const GRFConfig *newc) free(ol); free(nl); } + +/** + * Get the MD5 checksum of the original NewGRF that was loaded. + * @param grfid the GRF ID to search for + * @param md5sum the MD5 checksum to write to. + */ +void GamelogGetOriginalGRFMD5Checksum(uint32 grfid, byte *md5sum) +{ + const LoggedAction *la = &_gamelog_action[_gamelog_actions - 1]; + /* There should always be a "start game" action */ + assert(_gamelog_actions > 0); + + do { + const LoggedChange *lc = &la->change[la->changes - 1]; + /* There should always be at least one change per action */ + assert(la->changes > 0); + + do { + if (lc->ct == GLCT_GRFADD && lc->grfadd.grfid == grfid) { + memcpy(md5sum, lc->grfadd.md5sum, sizeof(lc->grfadd.md5sum)); + return; + } + } while (lc-- != la->change); + } while (la-- != _gamelog_action); + + NOT_REACHED(); +} diff --git a/src/gamelog.h b/src/gamelog.h index d2146d7a3..470a308be 100644 --- a/src/gamelog.h +++ b/src/gamelog.h @@ -46,4 +46,6 @@ void GamelogTestGRF(); bool GamelogGRFBugReverse(uint32 grfid, uint16 internal_id); +void GamelogGetOriginalGRFMD5Checksum(uint32 grfid, byte *md5sum); + #endif /* GAMELOG_H */ diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp index 3596f52ec..727440b08 100644 --- a/src/newgrf_gui.cpp +++ b/src/newgrf_gui.cpp @@ -617,6 +617,7 @@ struct NewGRFWindow : public Window { ttd_strlcpy(ci->name, c->name != NULL ? c->name : c->filename, lengthof(ci->name)); ci->unique_id = BSWAP32(c->grfid); memcpy(ci->md5sum, c->md5sum, sizeof(ci->md5sum)); + if (HasBit(c->flags, GCF_COMPATIBLE)) GamelogGetOriginalGRFMD5Checksum(c->grfid, ci->md5sum); *cv.Append() = ci; } ShowNetworkContentListWindow(cv.Length() == 0 ? NULL : &cv, CONTENT_TYPE_NEWGRF); |