(svn r27030) -Fix: crash when having the vehicle list opened from a buoy or oil rig while the buoy/oil rig gets its final removal (i.e. the sign gets removed)

src/station.cpp

@@ -45,13 +45,10 @@ BaseStation::~BaseStation()
 
 	if (CleaningPool()) return;
 
-	Owner owner = this->owner;
-	if (!Company::IsValidID(owner)) owner = _local_company;
-	if (!Company::IsValidID(owner)) return; // Spectators
-	DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->index).Pack());
-	DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->index).Pack());
-	DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->index).Pack());
-	DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->index).Pack());
+	DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    this->owner, this->index).Pack());
+	DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     this->owner, this->index).Pack());
+	DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     this->owner, this->index).Pack());
+	DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, this->owner, this->index).Pack());
 
 	this->sign.MarkDirty();
 }

src/station_gui.cpp

@@ -1303,17 +1303,15 @@ struct StationViewWindow : public Window {
 		this->SelectSortBy(_settings_client.gui.station_gui_sort_by);
 		this->sort_orders[0] = SO_ASCENDING;
 		this->SelectSortOrder((SortOrder)_settings_client.gui.station_gui_sort_order);
-		Owner owner = Station::Get(window_number)->owner;
-		if (owner != OWNER_NONE) this->owner = owner;
+		this->owner = Station::Get(window_number)->owner;
 	}
 
 	~StationViewWindow()
 	{
-		Owner owner = Station::Get(this->window_number)->owner;
-		DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->window_number).Pack(), false);
-		DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->window_number).Pack(), false);
-		DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->window_number).Pack(), false);
-		DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->window_number).Pack(), false);
+		DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    this->owner, this->window_number).Pack(), false);
+		DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     this->owner, this->window_number).Pack(), false);
+		DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     this->owner, this->window_number).Pack(), false);
+		DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, this->owner, this->window_number).Pack(), false);
 	}
 
 	/**

src/waypoint_gui.cpp

@@ -67,7 +67,7 @@ public:
 		}
 		this->FinishInitNested(window_number);
 
-		if (this->wp->owner != OWNER_NONE) this->owner = this->wp->owner;
+		this->owner = this->wp->owner;
 		this->flags |= WF_DISABLE_VP_SCROLL;
 
 		NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_W_VIEWPORT);
@@ -78,13 +78,7 @@ public:
 
 	~WaypointWindow()
 	{
-		Owner owner = this->owner;
-
-		/* Buoys have no owner and can be used by everyone. Show only 'our' vehicles */
-		if (!Company::IsValidID(owner)) owner = _local_company;
-
-		/* Well, spectators otoh */
-		if (Company::IsValidID(owner)) DeleteWindowById(GetWindowClassForVehicleType(this->vt), VehicleListIdentifier(VL_STATION_LIST, this->vt, owner, this->window_number).Pack(), false);
+		DeleteWindowById(GetWindowClassForVehicleType(this->vt), VehicleListIdentifier(VL_STATION_LIST, this->vt, this->owner, this->window_number).Pack(), false);
 	}
 
 	virtual void SetStringParameters(int widget) const

src/widget.cpp

@@ -538,10 +538,12 @@ static inline void DrawCloseBox(const Rect &r, Colours colour)
  */
 void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str)
 {
+	bool company_owned = owner < MAX_COMPANIES;
+
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, FR_BORDERONLY);
-	DrawFrameRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, colour, (owner == INVALID_OWNER) ? FR_LOWERED | FR_DARKENED : FR_LOWERED | FR_DARKENED | FR_BORDERONLY);
+	DrawFrameRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, colour, company_owned ? FR_LOWERED | FR_DARKENED | FR_BORDERONLY : FR_LOWERED | FR_DARKENED);
 
-	if (owner != INVALID_OWNER) {
+	if (company_owned) {
 		GfxFillRect(r.left + 2, r.top + 2, r.right - 2, r.bottom - 2, _colour_gradient[_company_colours[owner]][4]);
 	}