diff options
Diffstat (limited to 'src/engine.cpp')
| -rw-r--r-- | src/engine.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/engine.cpp b/src/engine.cpp index 6f544edf8..2a6183d7e 100644 --- a/src/engine.cpp +++ b/src/engine.cpp @@ -145,6 +145,15 @@ Engine::~Engine() } /** + * Checks whether the engine spec is properly initialised. + * @return true if enabled + */ +bool Engine::IsEnabled() const +{ + return this->info.string_id != STR_NEWGRF_INVALID_ENGINE; +} + +/** * Determines whether an engine can carry something. * A vehicle cannot carry anything if its capacity is zero, or none of the possible cargos is available in the climate. * @return true if the vehicle can carry something. @@ -935,7 +944,7 @@ bool IsEngineBuildable(EngineID engine, VehicleType type, CompanyID company) /* check if it's available */ if (!HasBit(e->company_avail, company)) return false; - if (e->info.string_id == STR_NEWGRF_INVALID_ENGINE) return false; + if (!e->IsEnabled()) return false; if (type == VEH_TRAIN) { /* Check if the rail type is available to this company */ |