diff options
| -rw-r--r-- | src/newgrf_engine.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp index 4cf9aae96..e688c417f 100644 --- a/src/newgrf_engine.cpp +++ b/src/newgrf_engine.cpp @@ -713,8 +713,12 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by case 0x15: return GB(v->service_interval, 8, 8); case 0x16: return v->last_station_visited; case 0x17: return v->tick_counter; - case 0x18: return v->max_speed; - case 0x19: return GB(v->max_speed, 8, 8); + case 0x18: + case 0x19: { + uint max_speed = v->type == VEH_TRAIN ? Train::From(v)->tcache.cached_max_speed : v->max_speed; + if (v->type == VEH_AIRCRAFT) max_speed = max_speed * 10 / 128; + return (variable - 0x80) == 0x18 ? max_speed : GB(max_speed, 8, 8); + } case 0x1A: return v->x_pos; case 0x1B: return GB(v->x_pos, 8, 8); case 0x1C: return v->y_pos; @@ -725,8 +729,8 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by case 0x29: return GB(v->cur_image, 8, 8); case 0x32: return v->vehstatus; case 0x33: return 0; // non-existent high byte of vehstatus - case 0x34: return v->cur_speed; - case 0x35: return GB(v->cur_speed, 8, 8); + case 0x34: return v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed; + case 0x35: return GB(v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed, 8, 8); case 0x36: return v->subspeed; case 0x37: return v->acceleration; case 0x39: return v->cargo_type; |