(svn r20365) -Codechange: allow multiple layouts for one airport statemachine, store the layout number

6 files changed, 44 insertions, 3 deletions

diff --git a/src/airport_gui.cpp b/src/airport_gui.cpp
index 2952cab9d..a5fda1567 100644
--- a/src/airport_gui.cpp
+++ b/src/airport_gui.cpp
@@ -33,6 +33,7 @@
 
 static AirportClassID _selected_airport_class; ///< the currently visible airport class
 static int _selected_airport_index;            ///< the index of the selected airport in the current class or -1
+static byte _selected_airport_layout;          ///< selected airport layout number.
 
 static void ShowBuildAirportPicker(Window *parent);
 
@@ -52,6 +53,7 @@ static void PlaceAirport(TileIndex tile)
 	SB(p2, 16, 16, INVALID_STATION); // no station to join
 
 	uint32 p1 = GetAirportSpecFromClass(_selected_airport_class, _selected_airport_index)->GetIndex();
+	p1 |= _selected_airport_layout << 8;
 	CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_AIRPORT | CMD_MSG(STR_ERROR_CAN_T_BUILD_AIRPORT_HERE), CcBuildAirport, "" };
 	ShowSelectStationIfNeeded(cmdcont, TileArea(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE));
 }
@@ -197,6 +199,9 @@ enum AirportPickerWidgets {
 	BAIRW_CLASS_DROPDOWN,
 	BAIRW_AIRPORT_LIST,
 	BAIRW_SCROLLBAR,
+	BAIRW_LAYOUT_NUM,
+	BAIRW_LAYOUT_DECREASE,
+	BAIRW_LAYOUT_INCREASE,
 	BAIRW_BOTTOMPANEL,
 	BAIRW_COVERAGE_LABEL,
 	BAIRW_BTN_DONTHILIGHT,
@@ -240,9 +245,18 @@ public:
 
 	virtual void SetStringParameters(int widget) const
 	{
-		if (widget != BAIRW_CLASS_DROPDOWN) return;
+		switch (widget) {
+			case BAIRW_CLASS_DROPDOWN:
+				SetDParam(0, GetAirportClassName(_selected_airport_class));
+				break;
+
+			case BAIRW_LAYOUT_NUM:
+				SetDParam(0, STR_STATION_BUILD_AIRPORT_LAYOUT_NAME);
+				SetDParam(1, _selected_airport_layout + 1);
+				break;
 
-		SetDParam(0, GetAirportClassName(_selected_airport_class));
+			default: break;
+		}
 	}
 
 	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
@@ -328,6 +342,7 @@ public:
 	void SelectOtherAirport(int airport_index)
 	{
 		_selected_airport_index = airport_index;
+		_selected_airport_layout = 0;
 
 		this->UpdateSelectSize();
 		this->SetDirty();
@@ -337,10 +352,15 @@ public:
 	{
 		if (_selected_airport_index == -1) {
 			SetTileSelectSize(1, 1);
+			this->DisableWidget(BAIRW_LAYOUT_DECREASE);
+			this->DisableWidget(BAIRW_LAYOUT_INCREASE);
 		} else {
 			const AirportSpec *as = GetAirportSpecFromClass(_selected_airport_class, _selected_airport_index);
 			SetTileSelectSize(as->size_x, as->size_y);
 
+			this->SetWidgetDisabledState(BAIRW_LAYOUT_DECREASE, _selected_airport_layout == 0);
+			this->SetWidgetDisabledState(BAIRW_LAYOUT_INCREASE, _selected_airport_layout + 1 >= as->num_table);
+
 			int rad = _settings_game.station.modified_catchment ? as->catchment : (uint)CA_UNMODIFIED;
 			if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
 		}
@@ -369,6 +389,18 @@ public:
 				SndPlayFx(SND_15_BEEP);
 				this->UpdateSelectSize();
 				break;
+
+			case BAIRW_LAYOUT_DECREASE:
+				_selected_airport_layout--;
+				this->UpdateSelectSize();
+				this->SetDirty();
+				break;
+
+			case BAIRW_LAYOUT_INCREASE:
+				_selected_airport_layout++;
+				this->UpdateSelectSize();
+				this->SetDirty();
+				break;
 		}
 	}
 
@@ -431,6 +463,11 @@ static const NWidgetPart _nested_build_airport_widgets[] = {
 			NWidget(WWT_MATRIX, COLOUR_GREY, BAIRW_AIRPORT_LIST), SetFill(1, 0), SetDataTip(0x501, STR_NULL),
 			NWidget(WWT_SCROLLBAR, COLOUR_GREY, BAIRW_SCROLLBAR),
 		EndContainer(),
+		NWidget(NWID_HORIZONTAL),
+			NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, BAIRW_LAYOUT_DECREASE), SetMinimalSize(12, 0),SetDataTip(AWV_DECREASE, STR_NULL),
+			NWidget(WWT_LABEL, COLOUR_GREY, BAIRW_LAYOUT_NUM), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_BLACK_STRING, STR_NULL),
+			NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, BAIRW_LAYOUT_INCREASE), SetMinimalSize(12, 0), SetDataTip(AWV_INCREASE, STR_NULL),
+		EndContainer(),
 	EndContainer(),
 	/* Bottom panel. */
 	NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BAIRW_BOTTOMPANEL), SetPIP(2, 2, 2),
diff --git a/src/lang/english.txt b/src/lang/english.txt
index 4722365c7..ef6aed235 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2025,6 +2025,7 @@ STR_TOOLBAR_AIRCRAFT_BUILD_AIRPORT_TOOLTIP                      :{BLACK}Build ai
 STR_STATION_BUILD_AIRPORT_CAPTION                               :{WHITE}Airport Selection
 STR_STATION_BUILD_AIRPORT_TOOLTIP                               :{BLACK}Select size/type of airport
 STR_STATION_BUILD_AIRPORT_CLASS_LABEL                           :{BLACK}Airport class
+STR_STATION_BUILD_AIRPORT_LAYOUT_NAME                           :{BLACK}Layout {NUM}
 
 STR_AIRPORT_SMALL                                               :Small
 STR_AIRPORT_CITY                                                :City
diff --git a/src/newgrf_airport.cpp b/src/newgrf_airport.cpp
index 30b3d616a..3355603a4 100644
--- a/src/newgrf_airport.cpp
+++ b/src/newgrf_airport.cpp
@@ -326,7 +326,7 @@ uint16 GetAirportCallback(CallbackID callback, uint32 param1, uint32 param2, Sta
 {
 	ResolverObject object;
 
-	NewAirportResolver(&object, tile, st, st->airport.type, 0);
+	NewAirportResolver(&object, tile, st, st->airport.type, st->airport.layout);
 	object.callback = callback;
 	object.callback_param1 = param1;
 	object.callback_param2 = param2;
diff --git a/src/saveload/station_sl.cpp b/src/saveload/station_sl.cpp
index 26c77f073..a57c71c55 100644
--- a/src/saveload/station_sl.cpp
+++ b/src/saveload/station_sl.cpp
@@ -335,6 +335,7 @@ static const SaveLoad _station_desc[] = {
 	  SLE_CONDVAR(Station, airport.w,                  SLE_FILE_U8 | SLE_VAR_U16, 140, SL_MAX_VERSION),
 	  SLE_CONDVAR(Station, airport.h,                  SLE_FILE_U8 | SLE_VAR_U16, 140, SL_MAX_VERSION),
 	      SLE_VAR(Station, airport.type,               SLE_UINT8),
+	  SLE_CONDVAR(Station, airport.layout,             SLE_UINT8,                 145, SL_MAX_VERSION),
 	      SLE_VAR(Station, airport.flags,              SLE_UINT64),
 
 	      SLE_VAR(Station, indtype,                    SLE_UINT8),
diff --git a/src/station_base.h b/src/station_base.h
index 36bafcfa9..5329a2642 100644
--- a/src/station_base.h
+++ b/src/station_base.h
@@ -51,6 +51,7 @@ struct Airport : public TileArea {
 
 	uint64 flags; ///< stores which blocks on the airport are taken. was 16 bit earlier on, then 32
 	byte type;    ///< Type of this airport, @see AirportTypes.
+	byte layout;  ///< Airport layout number.
 
 	/**
 	 * Get the AirportSpec that from the airport type of this airport. If there
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index d99f77119..67000272b 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -2214,6 +2214,7 @@ CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
 
 		st->AddFacility(FACIL_AIRPORT, tile);
 		st->airport.type = airport_type;
+		st->airport.layout = layout;
 		st->airport.flags = 0;
 
 		st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);