diff options
Diffstat (limited to 'openttd.c')
| -rw-r--r-- | openttd.c | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -1287,6 +1287,43 @@ bool AfterLoadGame(uint version) } } + /* In version 17, ground type is moved from m2 to m4 for depots and + * waypoints to make way for storing the index in m2. The custom graphics + * id which was stored in m4 is now saved as a grf/id reference in the + * waypoint struct. */ + if (version < 0x1100) { + Waypoint *wp; + + FOR_ALL_WAYPOINTS(wp) { + if (wp->xy != 0 && wp->deleted == 0) { + const StationSpec *spec = NULL; + + if (HASBIT(_m[wp->xy].m3, 4)) + spec = GetCustomStation(STAT_CLASS_WAYP, _m[wp->xy].m4 + 1); + + if (spec != NULL) { + wp->stat_id = _m[wp->xy].m4 + 1; + wp->grfid = spec->grfid; + wp->localidx = spec->localidx; + } else { + // No custom graphics set, so set to default. + wp->stat_id = 0; + wp->grfid = 0; + wp->localidx = 0; + } + + // Move ground type bits from m2 to m4. + _m[wp->xy].m4 = GB(_m[wp->xy].m2, 0, 4); + // Store waypoint index in the tile. + _m[wp->xy].m2 = wp->index; + } + } + } else { + /* As of version 17, we recalculate the custom graphic ID of waypoints + * from the GRF ID / station index. */ + UpdateAllWaypointCustomGraphics(); + } + FOR_ALL_PLAYERS(p) p->avail_railtypes = GetPlayerRailtypes(p->index); return true; |