/* $Id$ */
/** @file build_vehicle_gui.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "train.h"
#include "roadveh.h"
#include "ship.h"
#include "aircraft.h"
#include "debug.h"
#include "gui.h"
#include "articulated_vehicles.h"
#include "textbuf_gui.h"
#include "command_func.h"
#include "player_func.h"
#include "depot.h"
#include "airport.h"
#include "vehicle_gui.h"
#include "newgrf_engine.h"
#include "cargotype.h"
#include "group.h"
#include "road_map.h"
#include "strings_func.h"
#include "window_func.h"
#include "date_func.h"
#include "vehicle_func.h"
#include "settings_type.h"
#include "gfx_func.h"
#include "widgets/dropdown_func.h"
#include "table/sprites.h"
#include "table/strings.h"
struct buildvehicle_d {
VehicleType vehicle_type;
union {
RailTypeByte railtype;
AirportFTAClass::Flags flags;
RoadTypes roadtypes;
} filter;
byte sel_index; ///< deprecated value, used for 'unified' ship and road
bool descending_sort_order;
byte sort_criteria;
bool regenerate_list;
EngineID sel_engine;
EngineID rename_engine;
EngineList eng_list;
};
assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(buildvehicle_d));
enum BuildVehicleWidgets {
BUILD_VEHICLE_WIDGET_CLOSEBOX = 0,
BUILD_VEHICLE_WIDGET_CAPTION,
BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING,
BUILD_VEHICLE_WIDGET_SORT_DROPDOWN,
BUILD_VEHICLE_WIDGET_LIST,
BUILD_VEHICLE_WIDGET_SCROLLBAR,
BUILD_VEHICLE_WIDGET_PANEL,
BUILD_VEHICLE_WIDGET_BUILD,
BUILD_VEHICLE_WIDGET_RENAME,
BUILD_VEHICLE_WIDGET_RESIZE,
BUILD_VEHICLE_WIDGET_END
};
static const Widget _build_vehicle_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 14, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW },
{ WWT_CAPTION, RESIZE_RIGHT, 14, 11, 239, 0, 13, 0x0, STR_018C_WINDOW_TITLE_DRAG_THIS },
{ WWT_PUSHTXTBTN, RESIZE_NONE, 14, 0, 80, 14, 25, STR_SORT_BY, STR_SORT_ORDER_TIP},
{ WWT_DROPDOWN, RESIZE_RIGHT, 14, 81, 239, 14, 25, 0x0, STR_SORT_CRITERIA_TIP},
{ WWT_MATRIX, RESIZE_RB, 14, 0, 227, 26, 39, 0x101, STR_NULL },
{ WWT_SCROLLBAR, RESIZE_LRB, 14, 228, 239, 26, 39, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST },
{ WWT_PANEL, RESIZE_RTB, 14, 0, 239, 40, 161, 0x0, STR_NULL },
{ WWT_PUSHTXTBTN, RESIZE_TB, 14, 0, 114, 162, 173, 0x0, STR_NULL },
{ WWT_PUSHTXTBTN, RESIZE_RTB, 14, 115, 227, 162, 173, 0x0, STR_NULL },
{ WWT_RESIZEBOX, RESIZE_LRTB, 14, 228, 239, 162, 173, 0x0, STR_RESIZE_BUTTON },
{ WIDGETS_END},
};
/* Setup widget strings to fit the different types of vehicles */
static void SetupWindowStrings(Window *w, VehicleType type)
{
switch (type) {
default: NOT_REACHED();
case VEH_TRAIN:
w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data = STR_JUST_STRING;
w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips = STR_8843_TRAIN_VEHICLE_SELECTION;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].data = STR_881F_BUILD_VEHICLE;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips = STR_8844_BUILD_THE_HIGHLIGHTED_TRAIN;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].data = STR_8820_RENAME;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_8845_RENAME_TRAIN_VEHICLE_TYPE;
break;
case VEH_ROAD:
w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data = STR_9006_NEW_ROAD_VEHICLES;
w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips = STR_9026_ROAD_VEHICLE_SELECTION;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].data = STR_9007_BUILD_VEHICLE;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips = STR_9027_BUILD_THE_HIGHLIGHTED_ROAD;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].data = STR_9034_RENAME;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_9035_RENAME_ROAD_VEHICLE_TYPE;
break;
case VEH_SHIP:
w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data = STR_9808_NEW_SHIPS;
w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips = STR_9825_SHIP_SELECTION_LIST_CLICK;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].data = STR_9809_BUILD_SHIP;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips = STR_9826_BUILD_THE_HIGHLIGHTED_SHIP;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].data = STR_9836_RENAME;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_9837_RENAME_SHIP_TYPE;
break;
case VEH_AIRCRAFT:
w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data = STR_A005_NEW_AIRCRAFT;
w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips = STR_A025_AIRCRAFT_SELECTION_LIST;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].data = STR_A006_BUILD_AIRCRAFT;
w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips = STR_A026_BUILD_THE_HIGHLIGHTED_AIRCRAFT;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].data = STR_A037_RENAME;
w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_A038_RENAME_AIRCRAFT_TYPE;
break;
}
}
static bool _internal_sort_order; // descending/ascending
static byte _last_sort_criteria[] = {0, 0, 0, 0};
static bool _last_sort_order[] = {false, false, false, false};
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 int CDECL EngineNameSorter(const void *a, const void *b)
{
static EngineID last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };
static char last_name[2][64] = { "\0", "\0" };
const EngineID va = *(const EngineID*)a;
const EngineID vb = *(const EngineID*)b;
int r;
if (va != last_engine[0]) {
last_engine[0] = va;
SetDParam(0, va);
GetString(last_name[0], STR_ENGINE_NAME, lastof(last_name[0]));
}
if (vb != last_engine[1]) {
last_engine[1] = vb;
SetDParam(0, vb);
GetString(last_name[1], STR_ENGINE_NAME, lastof(last_name[1]));
}
r = strcmp(last_name[0], last_name[1]); // sort by name
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 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;
}
/* Train sorting functions */
static int CDECL TrainEngineCostSorter(const void *a, const void *b)
{
int va = RailVehInfo(*(const EngineID*)a)->base_cost;
int vb = RailVehInfo(*(const EngineID*)b)->base_cost;
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEngineSpeedSorter(const void *a, const void *b)
{
int va = RailVehInfo(*(const EngineID*)a)->max_speed;
int vb = RailVehInfo(*(const EngineID*)b)->max_speed;
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEnginePowerSorter(const void *a, const void *b)
{
const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
int va = rvi_a->power << (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 1 : 0);
int vb = rvi_b->power << (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 1 : 0);
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEngineRunningCostSorter(const void *a, const void *b)
{
const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
Money va = rvi_a->running_cost * GetPriceByIndex(rvi_a->running_cost_class) * (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
Money vb = rvi_b->running_cost * GetPriceByIndex(rvi_b->running_cost_class) * (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
int r = ClampToI32(va - vb);
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEnginePowerVsRunningCostSorter(const void *a, const void *b)
{
const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
/* Here we are using a few tricks to get the right sort.
* We want power/running cost, but since we usually got higher running cost than power and we store the result in an int,
* we will actually calculate cunning cost/power (to make it more than 1).
* Because of this, the return value have to be reversed as well and we return b - a instead of a - b.
* Another thing is that both power and running costs should be doubled for multiheaded engines.
* Since it would be multipling with 2 in both numerator and denumerator, it will even themselves out and we skip checking for multiheaded. */
Money va = (rvi_a->running_cost * GetPriceByIndex(rvi_a->running_cost_class)) / max(1U, (uint)rvi_a->power);
Money vb = (rvi_b->running_cost * GetPriceByIndex(rvi_b->running_cost_class)) / max(1U, (uint)rvi_b->power);
int r = ClampToI32(vb - va);
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEngineNumberSorter(const void *a, const void *b)
{
const EngineID va = *(const EngineID*)a;
const EngineID vb = *(const EngineID*)b;
int r = ListPositionOfEngine(va) - ListPositionOfEngine(vb);
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEngineCapacitySorter(const void *a, const void *b)
{
int va = RailVehInfo(*(const EngineID*)a)->capacity;
int vb = RailVehInfo(*(const EngineID*)b)->capacity;
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 TrainEnginesThenWagonsSorter(const void *a, const void *b)
{
EngineID va = *(const EngineID*)a;
EngineID vb = *(const EngineID*)b;
int val_a = (RailVehInfo(va)->railveh_type == RAILVEH_WAGON ? 1 : 0);
int val_b = (RailVehInfo(vb)->railveh_type == RAILVEH_WAGON ? 1 : 0);
int r = val_a - val_b;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
/* Road vehicle sorting functions */
static int CDECL RoadVehEngineCostSorter(const void *a, const void *b)
{
int va = RoadVehInfo(*(const EngineID*)a)->base_cost;
int vb = RoadVehInfo(*(const EngineID*)b)->base_cost;
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL RoadVehEngineSpeedSorter(const void *a, const void *b)
{
int va = RoadVehInfo(*(const EngineID*)a)->max_speed;
int vb = RoadVehInfo(*(const EngineID*)b)->max_speed;
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL RoadVehEngineRunningCostSorter(const void *a, const void *b)
{
const RoadVehicleInfo *rvi_a = RoadVehInfo(*(const EngineID*)a);
const RoadVehicleInfo *rvi_b = RoadVehInfo(*(const EngineID*)b);
Money va = rvi_a->running_cost * GetPriceByIndex(rvi_a->running_cost_class);
Money vb = rvi_b->running_cost * GetPriceByIndex(rvi_b->running_cost_class);
int r = ClampToI32(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 RoadVehEngineCapacitySorter(const void *a, const void *b)
{
int va = RoadVehInfo(*(const EngineID*)a)->capacity;
int vb = RoadVehInfo(*(const EngineID*)b)->capacity;
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;
}
/* Road vehicle sorting functions */
static int CDECL ShipEngineCostSorter(const void *a, const void *b)
{
int va = ShipVehInfo(*(const EngineID*)a)->base_cost;
int vb = ShipVehInfo(*(const EngineID*)b)->base_cost;
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL ShipEngineSpeedSorter(const void *a, const void *b)
{
int va = ShipVehInfo(*(const EngineID*)a)->max_speed;
int vb = ShipVehInfo(*(const EngineID*)b)->max_speed;
int r = va - vb;
return _internal_sort_order ? -r : r;
}
static int CDECL ShipEngineRunningCostSorter(const void *a, const void *b)
{
const int va = ShipVehInfo(*(const EngineID*)a)->running_cost;
const int vb = ShipVehInfo(*(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 ShipEngineCapacitySorter(const void *a, const void *b)
{
int va = ShipVehInfo(*(const EngineID*)a)->capacity;
int vb = ShipVehInfo(*(const EngineID*)b)->capacity;
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)
{
int va = AircraftVehInfo(*(const EngineID*)a)->passenger_capacity;
int vb = AircraftVehInfo(*(const EngineID*)b)->passenger_capacity;
int r = va - vb;
if (r == 0) {
/* The planes has the same passenger capacity. Check mail capacity instead */
va = AircraftVehInfo(*(const EngineID*)a)->mail_capacity;
vb = AircraftVehInfo(*(const EngineID*)b)->mail_capacity;
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 EngList_SortTypeFunction * const _sorter[][10] = {{
/* Trains */
&TrainEngineNumberSorter,
&TrainEngineCostSorter,
&TrainEngineSpeedSorter,
&TrainEnginePowerSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&TrainEngineRunningCostSorter,
&TrainEnginePowerVsRunningCostSorter,
&EngineReliabilitySorter,
&TrainEngineCapacitySorter,
}, {
/* Road vehicles */
&EngineNumberSorter,
&RoadVehEngineCostSorter,
&RoadVehEngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&RoadVehEngineRunningCostSorter,
&EngineReliabilitySorter,
&RoadVehEngineCapacitySorter,
}, {
/* Ships */
&EngineNumberSorter,
&ShipEngineCostSorter,
&ShipEngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&ShipEngineRunningCostSorter,
&EngineReliabilitySorter,
&ShipEngineCapacitySorter,
}, {
/* Aircraft */
&EngineNumberSorter,
&AircraftEngineCostSorter,
&AircraftEngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&AircraftEngineRunningCostSorter,
&EngineReliabilitySorter,
&AircraftEngineCargoSorter,
}};
static const StringID _sort_listing[][11] = {{
/* Trains */
STR_ENGINE_SORT_ENGINE_ID,
STR_ENGINE_SORT_COST,
STR_SORT_BY_MAX_SPEED,
STR_ENGINE_SORT_POWER,
STR_ENGINE_SORT_INTRO_DATE,
STR_SORT_BY_DROPDOWN_NAME,
STR_ENGINE_SORT_RUNNING_COST,
STR_ENGINE_SORT_POWER_VS_RUNNING_COST,
STR_SORT_BY_RELIABILITY,
STR_ENGINE_SORT_CARGO_CAPACITY,
INVALID_STRING_ID
}, {
/* Road vehicles */
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
}, {
/* Ships */
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
}, {
/* Aircraft */
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
}};
static int DrawCargoCapacityInfo(int x, int y, EngineID engine, VehicleType type, bool refittable)
{
uint16 *cap = GetCapacityOfArticulatedParts(engine, type);
for (uint c = 0; c < NUM_CARGO; c++) {
if (cap[c] == 0) continue;
SetDParam(0, c);
SetDParam(1, cap[c]);
SetDParam(2, refittable ? STR_9842_REFITTABLE : STR_EMPTY);
DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
y += 10;
/* Only show as refittable once */
refittable = false;
}
return y;
}
/* Draw rail wagon specific details */
static int DrawRailWagonPurchaseInfo(int x, int y, EngineID engine_number, const RailVehicleInfo *rvi)
{
/* Purchase cost */
SetDParam(0, (GetEngineProperty(engine_number, 0x17, rvi->base_cost) * _price.build_railwagon) >> 8);
DrawString(x, y, STR_PURCHASE_INFO_COST, TC_FROMSTRING);
y += 10;
/* Wagon weight - (including cargo) */
uint weight = GetEngineProperty(engine_number, 0x16, rvi->weight);
SetDParam(0, weight);
SetDParam(1, (GetCargo(rvi->cargo_type)->weight * GetEngineProperty(engine_number, 0x14, rvi->capacity) >> 4) + weight);
DrawString(x, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT, TC_FROMSTRING);
y += 10;
/* Wagon speed limit, displayed if above zero */
if (_patches.wagon_speed_limits) {
uint max_speed = GetEngineProperty(engine_number, 0x09, rvi->max_speed);
if (max_speed > 0) {
SetDParam(0, max_speed * 10 / 16);
DrawString(x, y, STR_PURCHASE_INFO_SPEED, TC_FROMSTRING);
y += 10;
}
}
/* Running cost */
if (rvi->running_cost_class != 0xFF) {
SetDParam(0, GetEngineProperty(engine_number, 0x0D, rvi->running_cost) * GetPriceByIndex(rvi->running_cost_class) >> 8);
DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
y += 10;
}
return y;
}
/* Draw locomotive specific details */
static int DrawRailEnginePurchaseInfo(int x, int y, EngineID engine_number, const RailVehicleInfo *rvi)
{
int multihead = (rvi->railveh_type == RAILVEH_MULTIHEAD ? 1 : 0);
uint weight = GetEngineProperty(engine_number, 0x16, rvi->weight);
/* Purchase Cost - Engine weight */
SetDParam(0, GetEngineProperty(engine_number, 0x17, rvi->base_cost) * (_price.build_railvehicle >> 3) >> 5);
SetDParam(1, weight << multihead);
DrawString(x, y, STR_PURCHASE_INFO_COST_WEIGHT, TC_FROMSTRING);
y += 10;
/* Max speed - Engine power */
SetDParam(0, GetEngineProperty(engine_number, 0x09, rvi->max_speed) * 10 / 16);
SetDParam(1, GetEngineProperty(engine_number, 0x0B, rvi->power) << multihead);
DrawString(x, y, STR_PURCHASE_INFO_SPEED_POWER, TC_FROMSTRING);
y += 10;
/* Max tractive effort - not applicable if old acceleration or maglev */
if (_patches.realistic_acceleration && rvi->railtype != RAILTYPE_MAGLEV) {
SetDParam(0, ((weight << multihead) * 10 * GetEngineProperty(engine_number, 0x1F, rvi->tractive_effort)) / 256);
DrawString(x, y, STR_PURCHASE_INFO_MAX_TE, TC_FROMSTRING);
y += 10;
}
/* Running cost */
if (rvi->running_cost_class != 0xFF) {
SetDParam(0, (GetEngineProperty(engine_number, 0x0D, rvi->running_cost) * GetPriceByIndex(rvi->running_cost_class) >> 8) << multihead);
DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
y += 10;
}
/* Powered wagons power - Powered wagons extra weight */
if (rvi->pow_wag_power != 0) {
SetDParam(0, rvi->pow_wag_power);
SetDParam(1, rvi->pow_wag_weight);
DrawString(x, y, STR_PURCHASE_INFO_PWAGPOWER_PWAGWEIGHT, TC_FROMSTRING);
y += 10;
};
return y;
}
/* 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->base_cost) * (_price.roadveh_base >> 3) >> 5);
SetDParam(1, rvi->max_speed * 10 / 32);
DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
y += 10;
/* Running cost */
SetDParam(0, rvi->running_cost * GetPriceByIndex(rvi->running_cost_class) >> 8);
DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
y += 10;
/* Cargo type + capacity */
return DrawCargoCapacityInfo(x, y, engine_number, VEH_ROAD, refittable);
}
/* Draw ship specific details */
static int DrawShipPurchaseInfo(int x, int y, EngineID engine_number, const ShipVehicleInfo *svi)
{
/* Purchase cost - Max speed */
SetDParam(0, GetEngineProperty(engine_number, 0x0A, svi->base_cost) * (_price.ship_base >> 3) >> 5);
SetDParam(1, GetEngineProperty(engine_number, 0x0B, svi->max_speed) * 10 / 32);
DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
y += 10;
/* 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);
DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
y += 10;
/* Running cost */
SetDParam(0, GetEngineProperty(engine_number, 0x0F, svi->running_cost) * _price.ship_running >> 8);
DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
y += 10;
return y;
}
/* Draw aircraft specific details */
static int DrawAircraftPurchaseInfo(int x, int y, EngineID engine_number, const AircraftVehicleInfo *avi)
{
CargoID cargo;
/* Purchase cost - Max speed */
SetDParam(0, GetEngineProperty(engine_number, 0x0B, avi->base_cost) * (_price.aircraft_base >> 3) >> 5);
SetDParam(1, avi->max_speed * 10 / 16);
DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
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, TC_FROMSTRING);
} else {
/* Note, if the default capacity is selected by the refit capacity
* callback, then the capacity shown is likely to be incorrect. */
SetDParam(0, cargo);
SetDParam(1, AircraftDefaultCargoCapacity(cargo, avi));
SetDParam(2, STR_9842_REFITTABLE);
DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
}
y += 10;
/* Running cost */
SetDParam(0, GetEngineProperty(engine_number, 0x0E, avi->running_cost) * _price.aircraft_running >> 8);
DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
y += 10;
return y;
}
/**
* Draw the purchase info details of a vehicle at a given location.
* @param x,y location where to draw the info
* @param w how wide are the text allowed to be (size of widget/window to Draw in)
* @param engine_number the engine of which to draw the info of
* @return y after drawing all the text
*/
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;
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);
if (rvi->railveh_type == RAILVEH_WAGON) {
y = DrawRailWagonPurchaseInfo(x, y, engine_number, rvi);
} else {
y = DrawRailEnginePurchaseInfo(x, y, engine_number, rvi);
}
/* Cargo type + capacity, or N/A */
int new_y = DrawCargoCapacityInfo(x, y, engine_number, VEH_TRAIN, refitable);
if (new_y == y) {
SetDParam(0, CT_INVALID);
SetDParam(2, STR_EMPTY);
DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
y += 10;
} else {
y = new_y;
}
break;
}
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_AIRCRAFT:
y = DrawAircraftPurchaseInfo(x, y, engine_number, AircraftVehInfo(engine_number));
refitable = true;
break;
}
/* Draw details, that applies to all types except rail wagons */
if (e->type != VEH_TRAIN || RailVehInfo(engine_number)->railveh_type != RAILVEH_WAGON) {
/* Design date - Life length */
SetDParam(0, ymd.year);
SetDParam(1, e->lifelength);
DrawString(x, y, STR_PURCHASE_INFO_DESIGNED_LIFE, TC_FROMSTRING);
y += 10;
/* Reliability */
SetDParam(0, e->reliability * 100 >> 16);
DrawString(x, y, STR_PURCHASE_INFO_RELIABILITY, TC_FROMSTRING);
y += 10;
}
/* Additional text from NewGRF */
y += ShowAdditionalText(x, y, w, engine_number);
if (refitable) y += ShowRefitOptionsList(x, y, w, engine_number);
return y;
}
/* Figure out what train EngineIDs to put in the list */
static void GenerateBuildTrainList(Window *w)
{
EngineID sel_id = INVALID_ENGINE;
int num_engines = 0;
int num_wagons = 0;
buildvehicle_d *bv = &WP(w, buildvehicle_d);
bv->filter.railtype = (w->window_number <= VEH_END) ? RAILTYPE_END : GetRailType(w->window_number);
EngList_RemoveAll(&bv->eng_list);
/* Make list of all available train engines and wagons.
* Also check to see if the previously selected engine is still available,
* and if not, reset selection to INVALID_ENGINE. This could be the case
* when engines become obsolete and are removed */
EngineID eid;
FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_TRAIN) {
const RailVehicleInfo *rvi = RailVehInfo(eid);
if (bv->filter.railtype != RAILTYPE_END && !HasPowerOnRail(rvi->railtype, bv->filter.railtype)) continue;
if (!IsEngineBuildable(eid, VEH_TRAIN, _local_player)) continue;
EngList_Add(&bv->eng_list, eid);
if (rvi->railveh_type != RAILVEH_WAGON) {
num_engines++;
} else {
num_wagons++;
}
if (eid == bv->sel_engine) sel_id = eid;
}
bv->sel_engine = sel_id;
/* make engines first, and then wagons, sorted by ListPositionOfEngine() */
_internal_sort_order = false;
EngList_Sort(&bv->eng_list, TrainEnginesThenWagonsSorter);
/* and then sort engines */
_internal_sort_order = bv->descending_sort_order;
EngList_SortPartial(&bv->eng_list, _sorter[0][bv->sort_criteria], 0, num_engines);
/* and finally sort wagons */
EngList_SortPartial(&bv->eng_list, _sorter[0][bv->sort_criteria], num_engines, num_wagons);
}
/* Figure out what road vehicle EngineIDs to put in the list */
static void GenerateBuildRoadVehList(Window *w)
{
EngineID sel_id = INVALID_ENGINE;
buildvehicle_d *bv = &WP(w, buildvehicle_d);
EngList_RemoveAll(&bv->eng_list);
EngineID eid;
FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_ROAD) {
if (!IsEngineBuildable(eid, VEH_ROAD, _local_player)) continue;
if (!HasBit(bv->filter.roadtypes, HasBit(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD)) continue;
EngList_Add(&bv->eng_list, eid);
if (eid == bv->sel_engine) sel_id = eid;
}
bv->sel_engine = sel_id;
}
/* Figure out what ship EngineIDs to put in the list */
static void GenerateBuildShipList(Window *w)
{
EngineID sel_id = INVALID_ENGINE;
buildvehicle_d *bv = &WP(w, buildvehicle_d);
EngList_RemoveAll(&bv->eng_list);
EngineID eid;
FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_SHIP) {
if (!IsEngineBuildable(eid, VEH_SHIP, _local_player)) continue;
EngList_Add(&bv->eng_list, eid);
if (eid == bv->sel_engine) sel_id = eid;
}
bv->sel_engine = sel_id;
}
/* Figure out what aircraft EngineIDs to put in the list */
static void GenerateBuildAircraftList(Window *w)
{
EngineID sel_id = INVALID_ENGINE;
buildvehicle_d *bv = &WP(w, buildvehicle_d);
EngList_RemoveAll(&bv->eng_list);
/* Make list of all available planes.
* Also check to see if the previously selected plane is still available,
* and if not, reset selection to INVALID_ENGINE. This could be the case
* when planes become obsolete and are removed */
EngineID eid;
FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_AIRCRAFT) {
if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_player)) continue;
/* First VEH_END window_numbers are fake to allow a window open for all different types at once */
if (w->window_number > VEH_END && !CanAircraftUseStation(eid, w->window_number)) continue;
EngList_Add(&bv->eng_list, eid);
if (eid == bv->sel_engine) sel_id = eid;
}
bv->sel_engine = sel_id;
}
/* Generate the list of vehicles */
static void GenerateBuildList(Window *w)
{
buildvehicle_d *bv = &WP(w, buildvehicle_d);
switch (bv->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN:
GenerateBuildTrainList(w);
return; // trains should not reach the last sorting
case VEH_ROAD:
GenerateBuildRoadVehList(w);
break;
case VEH_SHIP:
GenerateBuildShipList(w);
break;
case VEH_AIRCRAFT:
GenerateBuildAircraftList(w);
break;
}
_internal_sort_order = bv->descending_sort_order;
EngList_Sort(&bv->eng_list, _sorter[bv->vehicle_type][bv->sort_criteria]);
}
static void DrawVehicleEngine(VehicleType type, int x, int y, EngineID engine, SpriteID pal)
{
switch (type) {
case VEH_TRAIN: DrawTrainEngine( x, y, engine, pal); break;
case VEH_ROAD: DrawRoadVehEngine( x, y, engine, pal); break;
case VEH_SHIP: DrawShipEngine( x, y, engine, pal); break;
case VEH_AIRCRAFT: DrawAircraftEngine(x, y, engine, pal); break;
default: NOT_REACHED();
}
}
/** Engine drawing loop
* @param type Type of vehicle (VEH_*)
* @param x,y Where should the list start
* @param eng_list What engines to draw
* @param min where to start in the list
* @param max where in the list to end
* @param selected_id what engine to highlight as selected, if any
* @param show_count Display the number of vehicles (used by autoreplace)
*/
void DrawEngineList(VehicleType type, int x, int y, const EngineList eng_list, uint16 min, uint16 max, EngineID selected_id, bool show_count, GroupID selected_group)
{
byte step_size = GetVehicleListHeight(type);
byte x_offset = 0;
byte y_offset = 0;
assert(max <= EngList_Count(&eng_list));
switch (type) {
case VEH_TRAIN:
x++; // train and road vehicles use the same offset, except trains are one more pixel to the right
/* Fallthough */
case VEH_ROAD:
x += 26;
x_offset = 30;
y += 2;
y_offset = 4;
break;
case VEH_SHIP:
x += 35;
x_offset = 40;
y += 7;
y_offset = 3;
break;
case VEH_AIRCRAFT:
x += 27;
x_offset = 33;
y += 7;
y_offset = 3;
break;
default: NOT_REACHED();
}
for (; min < max; min++, y += step_size) {
const EngineID engine = eng_list[min];
/* Note: num_engines is only used in the autoreplace GUI, so it is correct to use _local_player here. */
const uint num_engines = GetGroupNumEngines(_local_player, selected_group, engine);
SetDParam(0, engine);
DrawString(x + x_offset, y, STR_ENGINE_NAME, engine == selected_id ? TC_WHITE : TC_BLACK);
DrawVehicleEngine(type, x, y + y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_player));
if (show_count) {
SetDParam(0, num_engines);
DrawStringRightAligned(213, y + (GetVehicleListHeight(type) == 14 ? 3 : 8), STR_TINY_BLACK, TC_FROMSTRING);
}
}
}
static void DrawBuildVehicleWindow(Window *w)
{
const buildvehicle_d *bv = &WP(w, buildvehicle_d);
uint max = min(w->vscroll.pos + w->vscroll.cap, EngList_Count(&bv->eng_list));
w->SetWidgetDisabledState(BUILD_VEHICLE_WIDGET_BUILD, w->window_number <= VEH_END);
SetVScrollCount(w, EngList_Count(&bv->eng_list));
SetDParam(0, bv->filter.railtype + STR_881C_NEW_RAIL_VEHICLES); // This should only affect rail vehicles
/* Set text of sort by dropdown */
w->widget[BUILD_VEHICLE_WIDGET_SORT_DROPDOWN].data = _sort_listing[bv->vehicle_type][bv->sort_criteria];
DrawWindowWidgets(w);
DrawEngineList(bv->vehicle_type, w->widget[BUILD_VEHICLE_WIDGET_LIST].left + 2, w->widget[BUILD_VEHICLE_WIDGET_LIST].top + 1, bv->eng_list, w->vscroll.pos, max, bv->sel_engine, false, DEFAULT_GROUP);
if (bv->sel_engine != INVALID_ENGINE) {
const Widget *wi = &w->widget[BUILD_VEHICLE_WIDGET_PANEL];
int text_end = DrawVehiclePurchaseInfo(2, wi->top + 1, wi->right - wi->left - 2, bv->sel_engine);
if (text_end > wi->bottom) {
SetWindowDirty(w);
ResizeWindowForWidget(w, BUILD_VEHICLE_WIDGET_PANEL, 0, text_end - wi->bottom);
SetWindowDirty(w);
}
}
DrawSortButtonState(w, BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING, bv->descending_sort_order ? SBS_DOWN : SBS_UP);
}
static void BuildVehicleClickEvent(Window *w, WindowEvent *e)
{
buildvehicle_d *bv = &WP(w, buildvehicle_d);
switch (e->we.click.widget) {
case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:
bv->descending_sort_order ^= true;
_last_sort_order[bv->vehicle_type] = bv->descending_sort_order;
bv->regenerate_list = true;
SetWindowDirty(w);
break;
case BUILD_VEHICLE_WIDGET_LIST: {
uint i = (e->we.click.pt.y - w->widget[BUILD_VEHICLE_WIDGET_LIST].top) / GetVehicleListHeight(bv->vehicle_type) + w->vscroll.pos;
uint num_items = EngList_Count(&bv->eng_list);
bv->sel_engine = (i < num_items) ? bv->eng_list[i] : INVALID_ENGINE;
SetWindowDirty(w);
break;
}
case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN: // Select sorting criteria dropdown menu
ShowDropDownMenu(w, _sort_listing[bv->vehicle_type], bv->sort_criteria, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN, 0, 0);
break;
case BUILD_VEHICLE_WIDGET_BUILD: {
EngineID sel_eng = bv->sel_engine;
if (sel_eng != INVALID_ENGINE) {
switch (bv->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN:
DoCommandP(w->window_number, sel_eng, 0, (RailVehInfo(sel_eng)->railveh_type == RAILVEH_WAGON) ? CcBuildWagon : CcBuildLoco,
CMD_BUILD_RAIL_VEHICLE | CMD_MSG(STR_882B_CAN_T_BUILD_RAILROAD_VEHICLE));
break;
case VEH_ROAD:
DoCommandP(w->window_number, sel_eng, 0, CcBuildRoadVeh, CMD_BUILD_ROAD_VEH | CMD_MSG(STR_9009_CAN_T_BUILD_ROAD_VEHICLE));
break;
case VEH_SHIP:
DoCommandP(w->window_number, sel_eng, 0, CcBuildShip, CMD_BUILD_SHIP | CMD_MSG(STR_980D_CAN_T_BUILD_SHIP));
break;
case VEH_AIRCRAFT:
DoCommandP(w->window_number, sel_eng, 0, CcBuildAircraft, CMD_BUILD_AIRCRAFT | CMD_MSG(STR_A008_CAN_T_BUILD_AIRCRAFT));
break;
}
}
break;
}
case BUILD_VEHICLE_WIDGET_RENAME: {
EngineID sel_eng = bv->sel_engine;
if (sel_eng != INVALID_ENGINE) {
StringID str = STR_NULL;
bv->rename_engine = sel_eng;
switch (bv->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN: str = STR_886A_RENAME_TRAIN_VEHICLE_TYPE; break;
case VEH_ROAD: str = STR_9036_RENAME_ROAD_VEHICLE_TYPE; break;
case VEH_SHIP: str = STR_9838_RENAME_SHIP_TYPE; break;
case VEH_AIRCRAFT: str = STR_A039_RENAME_AIRCRAFT_TYPE; break;
}
SetDParam(0, sel_eng);
ShowQueryString(STR_ENGINE_NAME, str, 31, 160, w, CS_ALPHANUMERAL);
}
break;
}
}
}
static void NewVehicleWndProc(Window *w, WindowEvent *e)
{
buildvehicle_d *bv = &WP(w, buildvehicle_d);
switch (e->event) {
case WE_CREATE: {
bv->vehicle_type = *(VehicleType*)e->we.create.data;
int vlh = GetVehicleListHeight(bv->vehicle_type);
ResizeWindow(w, 0, vlh - 14);
w->resize.step_height = vlh;
w->vscroll.cap = 1;
w->widget[BUILD_VEHICLE_WIDGET_LIST].data = 0x101;
w->resize.width = w->width;
w->resize.height = w->height;
} break;
case WE_INVALIDATE_DATA:
bv->regenerate_list = true;
SetWindowDirty(w);
break;
case WE_DESTROY:
EngList_Destroy(&bv->eng_list);
break;
case WE_PAINT:
if (bv->regenerate_list) {
bv->regenerate_list = false;
GenerateBuildList(w);
}
DrawBuildVehicleWindow(w);
break;
case WE_CLICK:
BuildVehicleClickEvent(w, e);
break;
case WE_DOUBLE_CLICK:
if (e->we.click.widget == BUILD_VEHICLE_WIDGET_LIST) {
/* When double clicking, we want to buy a vehicle */
e->we.click.widget = BUILD_VEHICLE_WIDGET_BUILD;
BuildVehicleClickEvent(w, e);
}
break;
case WE_ON_EDIT_TEXT: {
if (e->we.edittext.str[0] != '\0') {
StringID str = STR_NULL;
_cmd_text = e->we.edittext.str;
switch (bv->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN: str = STR_886B_CAN_T_RENAME_TRAIN_VEHICLE; break;
case VEH_ROAD: str = STR_9037_CAN_T_RENAME_ROAD_VEHICLE; break;
case VEH_SHIP: str = STR_9839_CAN_T_RENAME_SHIP_TYPE; break;
case VEH_AIRCRAFT: str = STR_A03A_CAN_T_RENAME_AIRCRAFT_TYPE; break;
}
DoCommandP(0, bv->rename_engine, 0, NULL, CMD_RENAME_ENGINE | CMD_MSG(str));
}
break;
}
case WE_DROPDOWN_SELECT: // we have selected a dropdown item in the list
if (bv->sort_criteria != e->we.dropdown.index) {
bv->sort_criteria = e->we.dropdown.index;
_last_sort_criteria[bv->vehicle_type] = bv->sort_criteria;
bv->regenerate_list = true;
}
SetWindowDirty(w);
break;
case WE_RESIZE:
if (e->we.sizing.diff.x != 0) ResizeButtons(w, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);
if (e->we.sizing.diff.y == 0) break;
w->vscroll.cap += e->we.sizing.diff.y / (int)GetVehicleListHeight(bv->vehicle_type);
w->widget[BUILD_VEHICLE_WIDGET_LIST].data = (w->vscroll.cap << 8) + 1;
break;
}
}
static const WindowDesc _build_vehicle_desc = {
WDP_AUTO, WDP_AUTO, 240, 174, 240, 256,
WC_BUILD_VEHICLE, WC_NONE,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_RESIZABLE,
_build_vehicle_widgets,
NewVehicleWndProc
};
void ShowBuildVehicleWindow(TileIndex tile, VehicleType type)
{
buildvehicle_d *bv;
Window *w;
/* We want to be able to open both Available Train as Available Ships,
* so if tile == 0 (Available XXX Window), use 'type' as unique number.
* As it always is a low value, it won't collide with any real tile
* number. */
uint num = (tile == 0) ? (int)type : tile;
assert(IsPlayerBuildableVehicleType(type));
DeleteWindowById(WC_BUILD_VEHICLE, num);
w = AllocateWindowDescFront(&_build_vehicle_desc, num, &type);
if (w == NULL) return;
w->caption_color = (tile != 0) ? GetTileOwner(tile) : _local_player;
bv = &WP(w, buildvehicle_d);
EngList_Create(&bv->eng_list);
bv->sel_engine = INVALID_ENGINE;
bv->regenerate_list = false;
bv->sort_criteria = _last_sort_criteria[type];
bv->descending_sort_order = _last_sort_order[type];
switch (type) {
default: NOT_REACHED();
case VEH_TRAIN:
WP(w, buildvehicle_d).filter.railtype = (tile == 0) ? RAILTYPE_END : GetRailType(tile);
break;
case VEH_ROAD:
WP(w, buildvehicle_d).filter.roadtypes = (tile == 0) ? ROADTYPES_ALL : GetRoadTypes(tile);
case VEH_SHIP:
break;
case VEH_AIRCRAFT:
bv->filter.flags =
tile == 0 ? AirportFTAClass::ALL : GetStationByTile(tile)->Airport()->flags;
break;
}
SetupWindowStrings(w, type);
ResizeButtons(w, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);
GenerateBuildList(w); // generate the list, since we need it in the next line
/* Select the first engine in the list as default when opening the window */
if (EngList_Count(&bv->eng_list) > 0) bv->sel_engine = bv->eng_list[0];
}