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| author | frosch <frosch@openttd.org> | 2010-10-17 12:12:52 +0000 |
|---|---|---|
| committer | frosch <frosch@openttd.org> | 2010-10-17 12:12:52 +0000 |
| commit | e805919fe9f8becadbc0e41dd018173a9c18a99f (patch) | |
| tree | 9e23c445fcee51857db6b2887a6d73a012867c6d /src/newgrf_config.cpp | |
| parent | 3972c790c2cba8c4c01ac6536e8675808f6e1c4d (diff) | |
| download | openttd-e805919fe9f8becadbc0e41dd018173a9c18a99f.tar.xz | |
(svn r20958) -Add: the concept of min-loadable-version to NewGRFs when choosing compatbile NewGRFs. (planetmaker)
Diffstat (limited to 'src/newgrf_config.cpp')
| -rw-r--r-- | src/newgrf_config.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp index 6e32fe054..b951ebfe2 100644 --- a/src/newgrf_config.cpp +++ b/src/newgrf_config.cpp @@ -448,7 +448,7 @@ GRFListCompatibility IsGoodGRFConfigList(GRFConfig *grfconfig) /* If we have not found the exactly matching GRF try to find one with the * same grfid, as it most likely is compatible */ - f = FindGRFConfig(c->ident.grfid, FGCM_COMPATIBLE); + f = FindGRFConfig(c->ident.grfid, FGCM_COMPATIBLE, NULL, c->version); if (f != NULL) { md5sumToString(buf, lastof(buf), c->ident.md5sum); DEBUG(grf, 1, "NewGRF %08X (%s) not found; checksum %s. Compatibility mode on", BSWAP32(c->ident.grfid), c->filename, buf); @@ -485,6 +485,7 @@ compatible_grf: if (c->info == NULL) c->info = DuplicateGRFText(f->info); c->error = NULL; c->version = f->version; + c->min_loadable_version = f->min_loadable_version; c->num_valid_params = f->num_valid_params; c->has_param_defaults = f->has_param_defaults; for (uint i = 0; i < f->param_info.Length(); i++) { @@ -616,9 +617,10 @@ void ScanNewGRFFiles() * @param grfid GRFID to look for, * @param mode Restrictions for matching grfs * @param md5sum Expected MD5 sum + * @param desired_version Requested version * @return The matching grf, if it exists in #_all_grfs, else \c NULL. */ -const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 *md5sum) +const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 *md5sum, uint32 desired_version) { assert((mode == FGCM_EXACT) != (md5sum == NULL)); const GRFConfig *best = NULL; @@ -627,6 +629,8 @@ const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 if (!c->ident.HasGrfIdentifier(grfid, md5sum)) continue; /* return it, if the exact same newgrf is found, or if we do not care about finding "the best" */ if (md5sum != NULL || mode == FGCM_ANY) return c; + /* check version compatibility */ + if (mode == FGCM_COMPATIBLE && (c->version < desired_version || c->min_loadable_version > desired_version)) continue; /* remember the newest one as "the best" */ if (best == NULL || c->version > best->version) best = c; } |