(svn r6722) -Codechange: [aircraft build window] moved aircraft build window to a file of it's own

   Also made some changes to it so it should be easier to unify all the build vehicle windows

1 files changed, 624 insertions, 0 deletions

diff --git a/build_vehicle_gui.c b/build_vehicle_gui.c
new file mode 100644
index 000000000..14902d49b
--- /dev/null
+++ b/build_vehicle_gui.c
@@ -0,0 +1,624 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "aircraft.h"
+#include "debug.h"
+#include "functions.h"
+#include "table/sprites.h"
+#include "table/strings.h"
+#include "window.h"
+#include "gui.h"
+#include "vehicle.h"
+#include "gfx.h"
+#include "station.h"
+#include "command.h"
+#include "engine.h"
+#include "player.h"
+#include "depot.h"
+#include "airport.h"
+#include "vehicle_gui.h"
+#include "newgrf_engine.h"
+#include "date.h"
+#include "strings.h"
+
+
+typedef enum BuildVehicleWidgets {
+	BUILD_VEHICLE_WIDGET_CLOSEBOX = 0,
+	BUILD_VEHICLE_WIDGET_CAPTION,
+	BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING,
+	BUILD_VEHICLE_WIDGET_SORT_TEXT,
+	BUILD_VEHICLE_WIDGET_SORT_DROPDOWN,
+	BUILD_VEHICLE_WIDGET_LIST,
+	BUILD_VEHICLE_WIDGET_SCROLLBAR,
+	BUILD_VEHICLE_WIDGET_PANEL,
+	BUILD_VEHICLE_WIDGET_PLANES,
+	BUILD_VEHICLE_WIDGET_JETS,
+	BUILD_VEHICLE_WIDGET_HELICOPTERS,
+	BUILD_VEHICLE_WIDGET_BUILD,
+	BUILD_VEHICLE_WIDGET_RENAME,
+	BUILD_VEHICLE_WIDGET_RESIZE,
+} BuildVehicleWidget;
+
+static const Widget _build_vehicle_widgets[] = {
+	{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                STR_018B_CLOSE_WINDOW },
+	{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   239,     0,    13, STR_A005_NEW_AIRCRAFT,   STR_018C_WINDOW_TITLE_DRAG_THIS },
+	{ WWT_PUSHTXTBTN,   RESIZE_NONE,    14,     0,    80,    14,    25, STR_SORT_BY,             STR_SORT_ORDER_TIP},
+	{      WWT_PANEL,   RESIZE_NONE,    14,    81,   227,    14,    25, 0x0,                     STR_SORT_CRITERIA_TIP},
+	{    WWT_TEXTBTN,   RESIZE_NONE,    14,   228,   239,    14,    25, STR_0225,                STR_SORT_CRITERIA_TIP},
+	{     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   227,    26,   121, 0x401,                   STR_A025_AIRCRAFT_SELECTION_LIST },
+	{  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   228,   239,    26,   121, 0x0,                     STR_0190_SCROLL_BAR_SCROLLS_LIST },
+	{     WWT_IMGBTN,     RESIZE_TB,    14,     0,   239,   122,   193, 0x0,                     STR_NULL },
+
+	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,    79,   194,   205, STR_BLACK_PLANES,        STR_BUILD_PLANES_TIP },
+	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,    80,   159,   194,   205, STR_BLACK_JETS,          STR_BUILD_JETS_TIP },
+	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   160,   239,   194,   205, STR_BLACK_HELICOPTERS,   STR_BUILD_HELICOPTERS_TIP },
+
+	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   114,   206,   217, STR_A006_BUILD_AIRCRAFT, STR_A026_BUILD_THE_HIGHLIGHTED_AIRCRAFT },
+	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   115,   227,   206,   217, STR_A037_RENAME,         STR_A038_RENAME_AIRCRAFT_TYPE },
+	{  WWT_RESIZEBOX,     RESIZE_TB,    14,   228,   239,   206,   217, 0x0,                     STR_RESIZE_BUTTON },
+	{   WIDGETS_END},
+};
+
+static bool _internal_sort_order; // descending/ascending
+static byte _last_sort_criteria = 0;
+static bool _last_sort_order = false;
+
+typedef int CDECL VehicleSortListingTypeFunction(const void*, const void*);
+
+static int CDECL EngineNumberSorter(const void *a, const void *b)
+{
+	const EngineID va = *(const EngineID*)a;
+	const EngineID vb = *(const EngineID*)b;
+	int r = va - vb;
+
+	return _internal_sort_order ? -r : r;
+}
+
+static int CDECL EngineIntroDateSorter(const void *a, const void *b)
+{
+	const int va = GetEngine(*(const EngineID*)a)->intro_date;
+	const int vb = GetEngine(*(const EngineID*)b)->intro_date;
+	const int r = va - vb;
+
+	if (r == 0) {
+		/* Use EngineID to sort instead since we want consistent sorting */
+		return EngineNumberSorter(a, b);
+	}
+	return _internal_sort_order ? -r : r;
+}
+
+static EngineID _last_engine; // cached vehicle to hopefully speed up name-sorting
+
+static char _bufcache[64]; // used together with _last_vehicle to hopefully speed up stringsorting
+static int CDECL EngineNameSorter(const void *a, const void *b)
+{
+	const EngineID va = *(const EngineID*)a;
+	const EngineID vb = *(const EngineID*)b;
+	char buf1[64] = "\0";
+	int r;
+
+	SetDParam(0, GetCustomEngineName(va));
+	GetString(buf1, STR_JUST_STRING);
+
+	if (vb != _last_engine) {
+		_last_engine = vb;
+		_bufcache[0] = '\0';
+
+		SetDParam(0, GetCustomEngineName(vb));
+		GetString(_bufcache, STR_JUST_STRING);
+	}
+
+	r =  strcmp(buf1, _bufcache); // sort by name
+
+	if (r == 0) {
+		/* Use EngineID to sort instead since we want consistent sorting */
+		return EngineNumberSorter(a, b);
+	}
+
+	return (_internal_sort_order & 1) ? -r : r;
+}
+
+static int CDECL EngineReliabilitySorter(const void *a, const void *b)
+{
+	const int va = GetEngine(*(const EngineID*)a)->reliability;
+	const int vb = GetEngine(*(const EngineID*)b)->reliability;
+	const int r = va - vb;
+
+	if (r == 0) {
+		/* Use EngineID to sort instead since we want consistent sorting */
+		return EngineNumberSorter(a, b);
+	}
+	return _internal_sort_order ? -r : r;
+}
+
+/* Aircraft sorting functions */
+
+static int CDECL AircraftEngineCostSorter(const void *a, const void *b)
+{
+	const int va = AircraftVehInfo(*(const EngineID*)a)->base_cost;
+	const int vb = AircraftVehInfo(*(const EngineID*)b)->base_cost;
+	int r = va - vb;
+
+	return _internal_sort_order ? -r : r;
+}
+
+static int CDECL AircraftEngineSpeedSorter(const void *a, const void *b)
+{
+	const int va = AircraftVehInfo(*(const EngineID*)a)->max_speed;
+	const int vb = AircraftVehInfo(*(const EngineID*)b)->max_speed;
+	const int r = va - vb;
+
+	if (r == 0) {
+		/* Use EngineID to sort instead since we want consistent sorting */
+		return EngineNumberSorter(a, b);
+	}
+	return _internal_sort_order ? -r : r;
+}
+
+static int CDECL AircraftEngineRunningCostSorter(const void *a, const void *b)
+{
+	const int va = AircraftVehInfo(*(const EngineID*)a)->running_cost;
+	const int vb = AircraftVehInfo(*(const EngineID*)b)->running_cost;
+	const int r = va - vb;
+
+	if (r == 0) {
+		/* Use EngineID to sort instead since we want consistent sorting */
+		return EngineNumberSorter(a, b);
+	}
+	return _internal_sort_order ? -r : r;
+}
+
+static int CDECL AircraftEngineCargoSorter(const void *a, const void *b)
+{
+	const int va = AircraftVehInfo(*(const EngineID*)a)->passenger_capacity;
+	const int vb = AircraftVehInfo(*(const EngineID*)b)->passenger_capacity;
+	const int r = va - vb;
+
+	if (r == 0) {
+		/* Use EngineID to sort instead since we want consistent sorting */
+		return EngineNumberSorter(a, b);
+	}
+	return _internal_sort_order ? -r : r;
+}
+
+static VehicleSortListingTypeFunction* const _aircraft_sorter[] = {
+	&EngineNumberSorter,
+	&AircraftEngineCostSorter,
+	&AircraftEngineSpeedSorter,
+	&EngineIntroDateSorter,
+	&EngineNameSorter,
+	&AircraftEngineRunningCostSorter,
+	&EngineReliabilitySorter,
+	&AircraftEngineCargoSorter,
+};
+
+static const StringID _aircraft_sort_listing[] = {
+	STR_ENGINE_SORT_ENGINE_ID,
+	STR_ENGINE_SORT_COST,
+	STR_SORT_BY_MAX_SPEED,
+	STR_ENGINE_SORT_INTRO_DATE,
+	STR_SORT_BY_DROPDOWN_NAME,
+	STR_ENGINE_SORT_RUNNING_COST,
+	STR_SORT_BY_RELIABILITY,
+	STR_ENGINE_SORT_CARGO_CAPACITY,
+	INVALID_STRING_ID
+};
+
+
+/**
+* Draw the purchase info details of an aircraft at a given location.
+ * @param x,y location where to draw the info
+ * @param engine_number the engine of which to draw the info of
+ */
+void DrawAircraftPurchaseInfo(int x, int y, EngineID engine_number)
+{
+	const AircraftVehicleInfo *avi = AircraftVehInfo(engine_number);
+	const Engine *e = GetEngine(engine_number);
+	CargoID cargo;
+	YearMonthDay ymd;
+	ConvertDateToYMD(e->intro_date, &ymd);
+
+	/* Purchase cost - Max speed */
+	SetDParam(0, avi->base_cost * (_price.aircraft_base>>3)>>5);
+	SetDParam(1, avi->max_speed * 128 / 10);
+	DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, 0);
+	y += 10;
+
+	/* Cargo capacity */
+	cargo = FindFirstRefittableCargo(engine_number);
+	if (cargo == CT_INVALID || cargo == CT_PASSENGERS) {
+		SetDParam(0, avi->passenger_capacity);
+		SetDParam(1, avi->mail_capacity);
+		DrawString(x, y, STR_PURCHASE_INFO_AIRCRAFT_CAPACITY, 0);
+	} else {
+		/* Note, if the default capacity is selected by the refit capacity
+		* callback, then the capacity shown is likely to be incorrect. */
+		SetDParam(0, _cargoc.names_long[cargo]);
+		SetDParam(1, AircraftDefaultCargoCapacity(cargo, engine_number));
+		SetDParam(2, STR_9842_REFITTABLE);
+		DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, 0);
+	}
+	y += 10;
+
+	/* Running cost */
+	SetDParam(0, avi->running_cost * _price.aircraft_running >> 8);
+	DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, 0);
+	y += 10;
+
+	/* Design date - Life length */
+	SetDParam(0, ymd.year);
+	SetDParam(1, e->lifelength);
+	DrawString(x, y, STR_PURCHASE_INFO_DESIGNED_LIFE, 0);
+	y += 10;
+
+	/* Reliability */
+	SetDParam(0, e->reliability * 100 >> 16);
+	DrawString(x, y, STR_PURCHASE_INFO_RELIABILITY, 0);
+	y += 10;
+
+	/* Additional text from NewGRF */
+	// XXX 227 will become a calculated width...
+	y += ShowAdditionalText(x, y, 227, engine_number);
+}
+
+void DrawAircraftImage(const Vehicle *v, int x, int y, VehicleID selection)
+{
+	PalSpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
+	DrawSprite(GetAircraftImage(v, DIR_W) | pal, x + 25, y + 10);
+	if (v->subtype == 0) {
+		SpriteID rotor_sprite = GetCustomRotorSprite(v, true);
+		if (rotor_sprite == 0) rotor_sprite = SPR_ROTOR_STOPPED;
+		DrawSprite(rotor_sprite, x + 25, y + 5);
+	}
+	if (v->index == selection) {
+		DrawFrameRect(x - 1, y - 1, x + 58, y + 21, 0xF, FR_BORDERONLY);
+	}
+}
+
+void CcBuildAircraft(bool success, TileIndex tile, uint32 p1, uint32 p2)
+{
+	if (success) {
+		const Vehicle *v = GetVehicle(_new_vehicle_id);
+
+		if (v->tile == _backup_orders_tile) {
+			_backup_orders_tile = 0;
+			RestoreVehicleOrders(v, _backup_orders_data);
+		}
+		ShowAircraftViewWindow(v);
+	}
+}
+
+static inline void ExtendEngineListSize(const EngineID **engine_list, uint16 *engine_list_length, uint16 step_size, uint16 max)
+{
+	*engine_list_length = min(*engine_list_length + step_size, max);
+	*engine_list = realloc((void*)*engine_list, (*engine_list_length) * sizeof((*engine_list)[0]));
+}
+
+static void GenerateBuildAircraftList(EngineID **planes, uint16 *num_planes, EngineID **jets, uint16 *num_jets, EngineID **helicopters, uint16 *num_helicopters)
+{
+	uint16 plane_length      = *num_planes;
+	uint16 jet_length        = *num_jets;
+	uint16 helicopter_length = *num_helicopters;
+	EngineID eid;
+
+	(*num_planes)      = 0;
+	(*num_jets)        = 0;
+	(*num_helicopters) = 0;
+
+	for (eid = AIRCRAFT_ENGINES_INDEX; eid < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; eid++) {
+
+		if (IsEngineBuildable(eid, VEH_Aircraft)) {
+			const AircraftVehicleInfo *avi = AircraftVehInfo(eid);
+
+			switch (avi->subtype) {
+				case AIR_CTOL: // Propeller planes
+					if (*num_planes == plane_length) ExtendEngineListSize((const EngineID**)planes, &plane_length, 5, NUM_AIRCRAFT_ENGINES);
+					(*planes)[(*num_planes)++] = eid;
+					break;
+
+				case (AIR_CTOL | AIR_FAST): // Jet planes
+					if (*num_jets == jet_length) ExtendEngineListSize((const EngineID**)jets, &jet_length, 5, NUM_AIRCRAFT_ENGINES);
+					(*jets)[(*num_jets)++] = eid;
+					break;
+
+				case 0: // Helicopters
+					if (*num_helicopters == helicopter_length) ExtendEngineListSize((const EngineID**)helicopters, &plane_length, 5, NUM_AIRCRAFT_ENGINES);
+					(*helicopters)[(*num_helicopters)++] = eid;
+					break;
+			}
+		}
+	}
+}
+
+static void GenerateBuildList(Window *w)
+{
+	switch (WP(w, buildvehicle_d).vehicle_type) {
+		case VEH_Aircraft:
+			GenerateBuildAircraftList(&WP(w, buildvehicle_d).list_a, &WP(w, buildvehicle_d).list_a_length,
+									  &WP(w, buildvehicle_d).list_b, &WP(w, buildvehicle_d).list_b_length,
+									  &WP(w, buildvehicle_d).list_c, &WP(w, buildvehicle_d).list_c_length);
+			break;
+
+		default: NOT_REACHED();
+	}
+
+	/* Ensure that we do not have trailing unused blocks in the arrays. We will never be able to access them anyway since we are unaware that they are there */
+	WP(w, buildvehicle_d).list_a = realloc((void*)WP(w, buildvehicle_d).list_a, WP(w, buildvehicle_d).list_a_length * sizeof(WP(w, buildvehicle_d).list_a[0]));
+	WP(w, buildvehicle_d).list_b = realloc((void*)WP(w, buildvehicle_d).list_b, WP(w, buildvehicle_d).list_b_length * sizeof(WP(w, buildvehicle_d).list_b[0]));
+	WP(w, buildvehicle_d).list_c = realloc((void*)WP(w, buildvehicle_d).list_c, WP(w, buildvehicle_d).list_c_length * sizeof(WP(w, buildvehicle_d).list_c[0]));
+
+	WP(w, buildvehicle_d).data_invalidated = false; // No need to regenerate the list anymore. We just did it
+}
+
+static inline EngineID *GetEngineArray(Window *w)
+{
+	switch (WP(w,buildvehicle_d).show_engine_button) {
+		case 1: return WP(w, buildvehicle_d).list_a;
+		case 2: return WP(w, buildvehicle_d).list_b;
+		case 3: return WP(w, buildvehicle_d).list_c;
+		default: NOT_REACHED();
+	}
+	return NULL;
+}
+
+static inline uint16 GetEngineArrayLength(Window *w)
+{
+	switch (WP(w,buildvehicle_d).show_engine_button) {
+		case 1: return WP(w, buildvehicle_d).list_a_length;
+		case 2: return WP(w, buildvehicle_d).list_b_length;
+		case 3: return WP(w, buildvehicle_d).list_c_length;
+		default: NOT_REACHED();
+	}
+	return 0;
+}
+
+static void SortAircraftBuildList(Window *w)
+{
+	_internal_sort_order = WP(w,buildvehicle_d).decenting_sort_order;
+	qsort((void*)GetEngineArray(w), GetEngineArrayLength(w), sizeof(GetEngineArray(w)[0]),
+		  _aircraft_sorter[WP(w,buildvehicle_d).sort_criteria]);
+}
+
+static void DrawBuildAircraftWindow(Window *w)
+{
+	SetWindowWidgetLoweredState(w, BUILD_VEHICLE_WIDGET_PLANES,      WP(w,buildvehicle_d).show_engine_button == 1);
+	SetWindowWidgetLoweredState(w, BUILD_VEHICLE_WIDGET_JETS,        WP(w,buildvehicle_d).show_engine_button == 2);
+	SetWindowWidgetLoweredState(w, BUILD_VEHICLE_WIDGET_HELICOPTERS, WP(w,buildvehicle_d).show_engine_button == 3);
+
+	SetWindowWidgetDisabledState(w, BUILD_VEHICLE_WIDGET_BUILD, w->window_number == 0);
+
+	if (WP(w, buildvehicle_d).data_invalidated) {
+		GenerateBuildList(w);
+
+		if (WP(w,buildvehicle_d).sel_engine != INVALID_ENGINE) {
+			int i;
+			bool found = false;
+			if (HASBIT(WP(w,buildvehicle_d).show_engine_button, 0)) {
+				for (i = 0; i < GetEngineArrayLength(w); i++) {
+					if (WP(w,buildvehicle_d).sel_engine != GetEngineArray(w)[i]) continue;
+					found = true;
+					break;
+				}
+			}
+			if (!found) WP(w,buildvehicle_d).sel_engine = INVALID_ENGINE;
+		}
+	}
+
+	SetVScrollCount(w, GetEngineArrayLength(w));
+	DrawWindowWidgets(w);
+
+	if (WP(w,buildvehicle_d).sel_engine == INVALID_ENGINE && GetEngineArrayLength(w) != 0) {
+		WP(w,buildvehicle_d).sel_engine = GetEngineArray(w)[0];
+	}
+
+	{
+		int x = 2;
+		int y = 27;
+		EngineID selected_id = WP(w,buildvehicle_d).sel_engine;
+		EngineID eid = w->vscroll.pos;
+		EngineID *list = GetEngineArray(w);
+		uint16 list_length = GetEngineArrayLength(w);
+		uint16 max = min(w->vscroll.pos + w->vscroll.cap, list_length);
+
+		for(; eid < max; eid++) {
+			const EngineID engine = list[eid];
+
+			DrawString(x + 62, y + 7, GetCustomEngineName(engine), engine == selected_id ? 0xC : 0x10);
+			DrawAircraftEngine(x + 29, y + 10, engine, GetEnginePalette(engine, _local_player));
+			y += 24;
+		}
+
+		if (selected_id != INVALID_ENGINE) {
+			DrawAircraftPurchaseInfo(x, w->widget[BUILD_VEHICLE_WIDGET_PANEL].top + 1, selected_id);
+		}
+	}
+	DrawString(85, 15, _aircraft_sort_listing[WP(w,buildvehicle_d).sort_criteria], 0x10);
+	DoDrawString(WP(w,buildvehicle_d).decenting_sort_order ? DOWNARROW : UPARROW, 69, 15, 0x10);
+}
+
+static void BuildAircraftClickEvent(Window *w, WindowEvent *e)
+{
+	byte click_state = 0;
+
+	switch (e->we.click.widget) {
+		case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:
+			WP(w,buildvehicle_d).decenting_sort_order = !WP(w,buildvehicle_d).decenting_sort_order;
+			_last_sort_order = WP(w,buildvehicle_d).decenting_sort_order;
+			SortAircraftBuildList(w);
+			SetWindowDirty(w);
+			break;
+
+		case BUILD_VEHICLE_WIDGET_LIST: {
+			uint i = (e->we.click.pt.y - 26) / 24;
+			if (i < w->vscroll.cap) {
+				i += w->vscroll.pos;
+
+				if (i < GetEngineArrayLength(w)) {
+					WP(w,buildvehicle_d).sel_engine = GetEngineArray(w)[i];
+					SetWindowDirty(w);
+				}
+			}
+		} break;
+
+		case BUILD_VEHICLE_WIDGET_SORT_TEXT: case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN:/* Select sorting criteria dropdown menu */
+			ShowDropDownMenu(w, _aircraft_sort_listing, WP(w,buildvehicle_d).sort_criteria, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN, 0, 0);
+			return;
+
+		case BUILD_VEHICLE_WIDGET_HELICOPTERS: click_state++;
+		case BUILD_VEHICLE_WIDGET_JETS:        click_state++;
+		case BUILD_VEHICLE_WIDGET_PLANES:      click_state++;
+
+			if (WP(w,buildvehicle_d).show_engine_button == click_state) break; // We clicked the pressed button
+
+				WP(w,buildvehicle_d).sel_engine = INVALID_ENGINE;
+			WP(w,buildvehicle_d).show_engine_button = click_state;
+			w->vscroll.pos = 0;
+			SortAircraftBuildList(w);
+			SetWindowDirty(w);
+			break;
+
+		case BUILD_VEHICLE_WIDGET_BUILD: {
+			EngineID sel_eng = WP(w,buildvehicle_d).sel_engine;
+			if (sel_eng != INVALID_ENGINE)
+				DoCommandP(w->window_number, sel_eng, 0, CcBuildAircraft, CMD_BUILD_AIRCRAFT | CMD_MSG(STR_A008_CAN_T_BUILD_AIRCRAFT));
+		} break;
+
+		case BUILD_VEHICLE_WIDGET_RENAME: {
+			EngineID sel_eng = WP(w,buildvehicle_d).sel_engine;
+			if (sel_eng != INVALID_ENGINE) {
+				WP(w,buildvehicle_d).rename_engine = sel_eng;
+				ShowQueryString(GetCustomEngineName(sel_eng),
+								STR_A039_RENAME_AIRCRAFT_TYPE, 31, 160, w->window_class, w->window_number, CS_ALPHANUMERAL);
+			}
+		} break;
+	}
+}
+
+static void NewAircraftWndProc(Window *w, WindowEvent *e)
+{
+	switch (e->event) {
+		case WE_INVALIDATE_DATA:
+			WP(w,buildvehicle_d).data_invalidated = true;
+			SetWindowDirty(w);
+			break;
+
+		case WE_DESTROY:
+			free((void*)WP(w, buildvehicle_d).list_a);
+			free((void*)WP(w, buildvehicle_d).list_b);
+			free((void*)WP(w, buildvehicle_d).list_c);
+			break;
+
+		case WE_PAINT:
+			DrawBuildAircraftWindow(w);
+			break;
+
+		case WE_CLICK:
+			BuildAircraftClickEvent(w, e);
+			break;
+
+		case WE_ON_EDIT_TEXT: {
+			if (e->we.edittext.str[0] != '\0') {
+				_cmd_text = e->we.edittext.str;
+				DoCommandP(0, WP(w, buildvehicle_d).rename_engine, 0, NULL,
+						   CMD_RENAME_ENGINE | CMD_MSG(STR_A03A_CAN_T_RENAME_AIRCRAFT_TYPE));
+			}
+		} break;
+
+		case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */
+			if (WP(w,buildvehicle_d).sort_criteria != e->we.dropdown.index) {
+				WP(w,buildvehicle_d).sort_criteria = e->we.dropdown.index;
+				_last_sort_criteria = e->we.dropdown.index;
+				SortAircraftBuildList(w);
+			}
+			SetWindowDirty(w);
+				break;
+
+			case WE_RESIZE:
+				w->vscroll.cap += e->we.sizing.diff.y / 24;
+				w->widget[BUILD_VEHICLE_WIDGET_LIST].data = (w->vscroll.cap << 8) + 1;
+				break;
+	}
+}
+
+static const WindowDesc _build_vehicle_desc = {
+	-1, -1, 240, 218,
+	WC_BUILD_VEHICLE,0,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_RESIZABLE,
+	_build_vehicle_widgets,
+	NewAircraftWndProc
+};
+
+/* Disable the aircraft subtype buttons for the types, that can't be build at the current airport */
+static void CreateAircraftWindow(Window *w)
+{
+	TileIndex tile = w->window_number;
+
+	if (tile == 0) {
+		WP(w, buildvehicle_d).show_engine_button = 1;
+	} else {
+		byte acc_planes = GetAirport(GetStationByTile(tile)->airport_type)->acc_planes;
+
+		WP(w, buildvehicle_d).show_engine_button = 0;
+		if (acc_planes == HELICOPTERS_ONLY || acc_planes == ALL) {
+			WP(w, buildvehicle_d).show_engine_button = 3;
+		} else {
+			DisableWindowWidget(w, BUILD_VEHICLE_WIDGET_HELICOPTERS);
+		}
+
+		if (acc_planes == AIRCRAFT_ONLY || acc_planes == ALL) {
+			/* Set the start clicked button to jets if the list isn't empty. If not, then show propeller planes */
+			WP(w, buildvehicle_d).show_engine_button = WP(w, buildvehicle_d).list_b_length == 0 ? 1 : 2;
+		} else {
+			DisableWindowWidget(w, BUILD_VEHICLE_WIDGET_JETS);
+			DisableWindowWidget(w, BUILD_VEHICLE_WIDGET_PLANES);
+		}
+
+		if (WP(w, buildvehicle_d).show_engine_button == 0) {
+			/* No plane type are buildable here */
+			NOT_REACHED();
+			WP(w, buildvehicle_d).show_engine_button = 1;
+		}
+	}
+}
+
+void ShowBuildVehicleWindow(TileIndex tile, byte type)
+{
+	Window *w;
+
+	DeleteWindowById(WC_BUILD_VEHICLE, tile);
+
+	w = AllocateWindowDescFront(&_build_vehicle_desc, tile);
+
+	if (w == NULL) return;
+
+	WP(w, buildvehicle_d).vehicle_type = type;
+
+	w->resize.step_height = GetVehicleListHeight(type);
+	w->vscroll.cap = 4;
+	w->widget[BUILD_VEHICLE_WIDGET_LIST].data = (w->vscroll.cap << 8) + 1;
+
+	if (tile != 0) {
+		w->caption_color = GetTileOwner(tile);
+	} else {
+		w->caption_color = _local_player;
+	}
+
+	WP(w, buildvehicle_d).list_a_length = 0;
+	WP(w, buildvehicle_d).list_b_length = 0;
+	WP(w, buildvehicle_d).list_c_length = 0;
+	WP(w, buildvehicle_d).list_a        = NULL;
+	WP(w, buildvehicle_d).list_b        = NULL;
+	WP(w, buildvehicle_d).list_c        = NULL;
+	WP(w, buildvehicle_d).sel_engine           = INVALID_ENGINE;
+	WP(w, buildvehicle_d).sort_criteria        = _last_sort_criteria;
+	WP(w, buildvehicle_d).decenting_sort_order = _last_sort_order;
+
+	GenerateBuildList(w);
+	switch (type) {
+		case VEH_Aircraft: CreateAircraftWindow(w); break;
+		default: NOT_REACHED();
+	}
+
+	SortAircraftBuildList(w);
+}