diff options
Diffstat (limited to 'openttd.c')
| -rw-r--r-- | openttd.c | 69 |
1 files changed, 69 insertions, 0 deletions
@@ -1238,6 +1238,75 @@ bool AfterLoadGame(void) } } + /* Elrails got added in rev 24 */ + if (CheckSavegameVersion(24)) { + Vehicle* v; + uint i; + TileIndex t; + bool make_elrail = false; + + for (i = 0; i < lengthof(_engines); i++) { + Engine* e = GetEngine(i); + if (e->type == VEH_Train && + (e->railtype != RAILTYPE_RAIL || RailVehInfo(i)->engclass == 2)) { + e->railtype++; + } + } + + FOR_ALL_VEHICLES(v) { + if (v->type == VEH_Train) { + RailType rt = GetEngine(v->engine_type)->railtype; + + v->u.rail.railtype = rt; + if (rt == RAILTYPE_ELECTRIC) make_elrail = true; + } + } + + /* .. so we convert the entire map from normal to elrail (so maintain "fairness") */ + for (t = 0; t < MapSize(); t++) { + switch (GetTileType(t)) { + case MP_RAILWAY: + if (GetRailType(t) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1); + break; + + case MP_STREET: + if (IsLevelCrossing(t) && (GetRailTypeCrossing(t) > RAILTYPE_RAIL || make_elrail)) AB(_m[t].m4, 0, 4, 1); + break; + + case MP_STATION: + if (_m[t].m5 < 8 && (GB(_m[t].m3, 0, 4) > RAILTYPE_RAIL || make_elrail)) AB(_m[t].m3, 0, 4, 1); + break; + + case MP_TUNNELBRIDGE: + if (GB(_m[t].m5, 4, 4) == 0) { // tunnel? + if (GB(_m[t].m5, 2, 2) == 0) { // railway tunnel? + if (GB(_m[t].m3, 0, 4) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1); + } + } else { + if (GB(_m[t].m5, 1, 2) == 0) { // railway bridge? + if (GB(_m[t].m5, 6, 1) == 0) { // bridge ending? + if (GB(_m[t].m3, 0, 4) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1); + } else { + if (GB(_m[t].m3, 4, 4) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 4, 4, 1); + } + } + if ((_m[t].m5 & 0xF8) == 0xE0) { // bridge middle part with rails below? + if (GB(_m[t].m3, 0, 4) > RAILTYPE_RAIL || make_elrail) AB(_m[t].m3, 0, 4, 1); + } + } + break; + + default: + break; + } + } + + FOR_ALL_VEHICLES(v) { + if (v->type == VEH_Train && (IsFrontEngine(v) || IsFreeWagon(v))) TrainConsistChanged(v); + } + + } + /* In version 16.1 of the savegame a player can decide if trains, which get * replaced, shall keep their old length. In all prior versions, just default * to false */ |