diff options
| -rw-r--r-- | src/engine.cpp | 23 | ||||
| -rw-r--r-- | src/engine_func.h | 1 | ||||
| -rw-r--r-- | src/lang/english.txt | 3 | ||||
| -rw-r--r-- | src/openttd.cpp | 1 |
4 files changed, 28 insertions, 0 deletions
diff --git a/src/engine.cpp b/src/engine.cpp index fa9b1dcff..b09332c0f 100644 --- a/src/engine.cpp +++ b/src/engine.cpp @@ -30,6 +30,7 @@ #include "company_base.h" #include "vehicle_func.h" #include "articulated_vehicles.h" +#include "error.h" #include "table/strings.h" #include "table/engines.h" @@ -1098,3 +1099,25 @@ bool IsEngineRefittable(EngineID engine) CargoID default_cargo = e->GetDefaultCargoType(); return default_cargo != CT_INVALID && ei->refit_mask != 1U << default_cargo; } + +/** + * Check for engines that have an appropriate availability. + */ +void CheckEngines() +{ + const Engine *e; + Date min_date = INT32_MAX; + + FOR_ALL_ENGINES(e) { + if (!e->IsEnabled()) continue; + + /* We have an available engine... yay! */ + if (e->flags & ENGINE_AVAILABLE && e->company_avail != 0) return; + + /* Okay, try to find the earliest date. */ + min_date = min(min_date, e->info.base_intro); + } + + SetDParam(0, min_date); + ShowErrorMessage(STR_ERROR_NO_VEHICLES_AVAILABLE, STR_ERROR_NO_VEHICLES_AVAILABLE_EXPLANATION, WL_WARNING); +} diff --git a/src/engine_func.h b/src/engine_func.h index bb7e2fcac..faa8e8e02 100644 --- a/src/engine_func.h +++ b/src/engine_func.h @@ -18,6 +18,7 @@ void SetupEngines(); void StartupEngines(); +void CheckEngines(); /* Original engine data counts and offsets */ extern const uint8 _engine_counts[4]; diff --git a/src/lang/english.txt b/src/lang/english.txt index 686e705c9..85011e4e6 100644 --- a/src/lang/english.txt +++ b/src/lang/english.txt @@ -4316,6 +4316,9 @@ STR_ERROR_CAN_T_CHANGE_SERVICING :{WHITE}Can't ch STR_ERROR_VEHICLE_IS_DESTROYED :{WHITE}... vehicle is destroyed +STR_ERROR_NO_VEHICLES_AVAILABLE :{WHITE}No vehicles are available yet +STR_ERROR_NO_VEHICLES_AVAILABLE_EXPLANATION :{WHITE}Start a new game after {DATE_SHORT} or use a NewGRF that provides early vehicles + # Specific vehicle errors STR_ERROR_CAN_T_MAKE_TRAIN_PASS_SIGNAL :{WHITE}Can't make train pass signal at danger... STR_ERROR_CAN_T_REVERSE_DIRECTION_TRAIN :{WHITE}Can't reverse direction of train... diff --git a/src/openttd.cpp b/src/openttd.cpp index 0c236a9d6..07124b84f 100644 --- a/src/openttd.cpp +++ b/src/openttd.cpp @@ -926,6 +926,7 @@ static void MakeNewGameDone() if (_settings_client.gui.pause_on_newgame) DoCommandP(0, PM_PAUSED_NORMAL, 1, CMD_PAUSE); + CheckEngines(); MarkWholeScreenDirty(); } |