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Diffstat (limited to 'src/saveload/saveload.h')
| -rw-r--r-- | src/saveload/saveload.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/saveload/saveload.h b/src/saveload/saveload.h index 3581a5594..7fa91a509 100644 --- a/src/saveload/saveload.h +++ b/src/saveload/saveload.h @@ -304,6 +304,22 @@ enum SaveLoadVersion : uint16 { SLV_ENDING_YEAR, ///< 218 PR#7747 v1.10 Configurable ending year. SLV_REMOVE_TOWN_CARGO_CACHE, ///< 219 PR#8258 Remove town cargo acceptance and production caches. + /* Patchpacks for a while considered it a good idea to jump a few versions + * above our version for their savegames. But as time continued, this gap + * has been closing, up to the point we would start to reuse versions from + * their patchpacks. This is not a problem from our perspective: the + * savegame will simply fail to load because they all contain chunks we + * cannot digest. But, this gives for ugly errors. As we have plenty of + * versions anyway, we simply skip the versions we know belong to + * patchpacks. This way we can present the user with a clean error + * indicate he is loading a savegame from a patchpack. + * For future patchpack creators: please follow a system like JGRPP, where + * the version is masked with 0x8000, and the true version is stored in + * its own chunk with feature toggles. + */ + SLV_START_PATCHPACKS, ///< 220 First known patchpack to use a version just above ours. + SLV_END_PATCHPACKS = 286, ///< 286 Last known patchpack to use a version just above ours. + SL_MAX_VERSION, ///< Highest possible saveload version }; |