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-rw-r--r--src/build_vehicle_gui.cpp26
-rw-r--r--src/engine.cpp26
-rw-r--r--src/engine_func.h1
-rw-r--r--src/vehicle_gui.cpp34
4 files changed, 46 insertions, 41 deletions
diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
index a4f02fdbe..2e2a889e9 100644
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -566,8 +566,6 @@ static int DrawRailEnginePurchaseInfo(int x, int y, EngineID engine_number, cons
/* Draw road vehicle specific details */
static int DrawRoadVehPurchaseInfo(int x, int y, EngineID engine_number, const RoadVehicleInfo *rvi)
{
- bool refittable = (EngInfo(engine_number)->refit_mask != 0);
-
/* Purchase cost - Max speed */
SetDParam(0, GetEngineProperty(engine_number, 0x11, rvi->cost_factor) * (_price.roadveh_base >> 3) >> 5);
SetDParam(1, rvi->max_speed * 10 / 32);
@@ -580,7 +578,7 @@ static int DrawRoadVehPurchaseInfo(int x, int y, EngineID engine_number, const R
y += 10;
/* Cargo type + capacity */
- return DrawCargoCapacityInfo(x, y, engine_number, VEH_ROAD, refittable);
+ return DrawCargoCapacityInfo(x, y, engine_number, VEH_ROAD, IsEngineRefittable(engine_number));
}
/* Draw ship specific details */
@@ -595,7 +593,7 @@ static int DrawShipPurchaseInfo(int x, int y, EngineID engine_number, const Ship
/* Cargo type + capacity */
SetDParam(0, svi->cargo_type);
SetDParam(1, GetEngineProperty(engine_number, 0x0D, svi->capacity));
- SetDParam(2, svi->refittable ? STR_9842_REFITTABLE : STR_EMPTY);
+ SetDParam(2, IsEngineRefittable(engine_number) ? STR_9842_REFITTABLE : STR_EMPTY);
DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
y += 10;
@@ -654,15 +652,13 @@ int DrawVehiclePurchaseInfo(int x, int y, uint w, EngineID engine_number)
const Engine *e = GetEngine(engine_number);
YearMonthDay ymd;
ConvertDateToYMD(e->intro_date, &ymd);
- bool refitable = false;
+ bool refittable = IsEngineRefittable(engine_number);
switch (e->type) {
default: NOT_REACHED();
case VEH_TRAIN: {
const RailVehicleInfo *rvi = RailVehInfo(engine_number);
- uint capacity = GetEngineProperty(engine_number, 0x14, rvi->capacity);
-
- refitable = (EngInfo(engine_number)->refit_mask != 0) && (capacity > 0);
+ refittable &= GetEngineProperty(engine_number, 0x14, rvi->capacity) > 0;
if (rvi->railveh_type == RAILVEH_WAGON) {
y = DrawRailWagonPurchaseInfo(x, y, engine_number, rvi);
@@ -671,7 +667,7 @@ int DrawVehiclePurchaseInfo(int x, int y, uint w, EngineID engine_number)
}
/* Cargo type + capacity, or N/A */
- int new_y = DrawCargoCapacityInfo(x, y, engine_number, VEH_TRAIN, refitable);
+ int new_y = DrawCargoCapacityInfo(x, y, engine_number, VEH_TRAIN, refittable);
if (new_y == y) {
SetDParam(0, CT_INVALID);
@@ -685,16 +681,12 @@ int DrawVehiclePurchaseInfo(int x, int y, uint w, EngineID engine_number)
}
case VEH_ROAD:
y = DrawRoadVehPurchaseInfo(x, y, engine_number, RoadVehInfo(engine_number));
- refitable = true;
break;
- case VEH_SHIP: {
- const ShipVehicleInfo *svi = ShipVehInfo(engine_number);
- y = DrawShipPurchaseInfo(x, y, engine_number, svi);
- refitable = svi->refittable;
- } break;
+ case VEH_SHIP:
+ y = DrawShipPurchaseInfo(x, y, engine_number, ShipVehInfo(engine_number));
+ break;
case VEH_AIRCRAFT:
y = DrawAircraftPurchaseInfo(x, y, engine_number, AircraftVehInfo(engine_number));
- refitable = true;
break;
}
@@ -714,7 +706,7 @@ int DrawVehiclePurchaseInfo(int x, int y, uint w, EngineID engine_number)
/* Additional text from NewGRF */
y += ShowAdditionalText(x, y, w, engine_number);
- if (refitable) y += ShowRefitOptionsList(x, y, w, engine_number);
+ if (refittable) y += ShowRefitOptionsList(x, y, w, engine_number);
return y;
}
diff --git a/src/engine.cpp b/src/engine.cpp
index 0335c8a87..f24574a94 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -559,6 +559,32 @@ bool IsEngineBuildable(EngineID engine, VehicleType type, CompanyID company)
return true;
}
+/**
+ * Check if an engine is refittable.
+ * @param engine index of the engine to check.
+ * @return true if the engine is refittable.
+ */
+bool IsEngineRefittable(EngineID engine)
+{
+ /* check if it's an engine that is in the engine array */
+ if (!IsEngineIndex(engine)) return false;
+
+ const Engine *e = GetEngine(engine);
+
+ if (e->type == VEH_SHIP && !e->u.ship.refittable) return false;
+
+ const EngineInfo *ei = &e->info;
+ if (ei->refit_mask == 0) return false;
+
+ /* Are there suffixes?
+ * Note: This does not mean the suffixes are actually available for every consist at any time. */
+ if (HasBit(ei->callbackmask, CBM_VEHICLE_CARGO_SUFFIX)) return true;
+
+ /* Is there any cargo except the default cargo? */
+ CargoID default_cargo = GetEngineCargoType(engine);
+ return default_cargo != CT_INVALID && ei->refit_mask != 1U << default_cargo;
+}
+
/** Get the default cargo type for a certain engine type
* @param engine The ID to get the cargo for
* @return The cargo type. CT_INVALID means no cargo capacity
diff --git a/src/engine_func.h b/src/engine_func.h
index 595644375..942f90d1a 100644
--- a/src/engine_func.h
+++ b/src/engine_func.h
@@ -26,6 +26,7 @@ void LoadCustomEngineNames();
void DeleteCustomEngineNames();
bool IsEngineBuildable(EngineID engine, VehicleType type, CompanyID company);
+bool IsEngineRefittable(EngineID engine);
CargoID GetEngineCargoType(EngineID engine);
void SetCachedEngineCounts();
diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp
index bd151426a..8b68a2e7d 100644
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -1666,16 +1666,16 @@ static const uint32 _vehicle_command_translation_table[][4] = {
/** Checks whether the vehicle may be refitted at the moment.*/
static bool IsVehicleRefitable(const Vehicle *v)
{
- /* Why is this so different for different vehicles?
- * Does maybe work one solution for all?
- */
- switch (v->type) {
- case VEH_TRAIN: return false;
- case VEH_ROAD: return EngInfo(v->engine_type)->refit_mask != 0 && v->IsStoppedInDepot();
- case VEH_SHIP: return ShipVehInfo(v->engine_type)->refittable && v->IsStoppedInDepot();
- case VEH_AIRCRAFT: return v->IsStoppedInDepot();
- default: NOT_REACHED();
- }
+ if (!v->IsStoppedInDepot()) return false;
+
+ do {
+ /* Skip this vehicle if it has no capacity */
+ if (v->cargo_cap == 0) continue;
+
+ if (IsEngineRefittable(v->engine_type)) return true;
+ } while ((v->type == VEH_TRAIN || v->type == VEH_ROAD) && (v = v->Next()) != NULL);
+
+ return false;
}
struct VehicleViewWindow : Window {
@@ -1858,20 +1858,6 @@ struct VehicleViewWindow : Window {
if (v->type == VEH_TRAIN) {
this->SetWidgetDisabledState(VVW_WIDGET_FORCE_PROCEED, !is_localcompany);
this->SetWidgetDisabledState(VVW_WIDGET_TURN_AROUND, !is_localcompany);
-
- /* Cargo refit button is disabled, until we know we can enable it below. */
-
- if (is_localcompany) {
- /* See if any vehicle can be refitted */
- for (const Vehicle *u = v; u != NULL; u = u->Next()) {
- if (EngInfo(u->engine_type)->refit_mask != 0 ||
- (RailVehInfo(v->engine_type)->railveh_type != RAILVEH_WAGON && v->cargo_cap != 0)) {
- this->EnableWidget(VVW_WIDGET_REFIT_VEH);
- /* We have a refittable carriage, bail out */
- break;
- }
- }
- }
}
/* draw widgets & caption */
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-16 13:36:55 +0000