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OpenTTD-patches/src/build_vehicle_gui.cpp

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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file build_vehicle_gui.cpp GUI for building vehicles. */
#include "stdafx.h"
#include "engine_base.h"
#include "engine_func.h"
#include "station_base.h"
#include "articulated_vehicles.h"
#include "textbuf_gui.h"
#include "command_func.h"
#include "company_func.h"
#include "vehicle_gui.h"
#include "newgrf_engine.h"
#include "newgrf_text.h"
#include "group.h"
#include "strings_func.h"
#include "window_func.h"
#include "date_func.h"
#include "vehicle_func.h"
#include "widgets/dropdown_func.h"
#include "engine_gui.h"
#include "cargotype.h"
#include "table/strings.h"
/**
* Get the height of a single 'entry' in the engine lists.
* @param type the vehicle type to get the height of
* @return the height for the entry
*/
uint GetEngineListHeight(VehicleType type)
{
return max<uint>(FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM, GetVehicleHeight(type));
}
enum BuildVehicleWidgets {
BUILD_VEHICLE_WIDGET_CAPTION,
BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING,
BUILD_VEHICLE_WIDGET_SORT_DROPDOWN,
BUILD_VEHICLE_WIDGET_CARGO_FILTER_DROPDOWN,
BUILD_VEHICLE_WIDGET_LIST,
BUILD_VEHICLE_WIDGET_SCROLLBAR,
BUILD_VEHICLE_WIDGET_PANEL,
BUILD_VEHICLE_WIDGET_BUILD,
BUILD_VEHICLE_WIDGET_BUILD_SEL,
BUILD_VEHICLE_WIDGET_RENAME,
BUILD_VEHICLE_WIDGET_END
};
static const NWidgetPart _nested_build_vehicle_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_GREY),
NWidget(WWT_CAPTION, COLOUR_GREY, BUILD_VEHICLE_WIDGET_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_SHADEBOX, COLOUR_GREY),
NWidget(WWT_STICKYBOX, COLOUR_GREY),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_GREY),
NWidget(NWID_HORIZONTAL),
NWidget(NWID_VERTICAL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0),
NWidget(NWID_SPACER), SetFill(1, 1),
EndContainer(),
NWidget(NWID_VERTICAL),
NWidget(WWT_DROPDOWN, COLOUR_GREY, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
NWidget(WWT_DROPDOWN, COLOUR_GREY, BUILD_VEHICLE_WIDGET_CARGO_FILTER_DROPDOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_FILTER_CRITERIA),
EndContainer(),
EndContainer(),
EndContainer(),
/* Vehicle list. */
NWidget(NWID_HORIZONTAL),
NWidget(WWT_MATRIX, COLOUR_GREY, BUILD_VEHICLE_WIDGET_LIST), SetResize(1, 1), SetFill(1, 0), SetDataTip(0x101, STR_NULL), SetScrollbar(BUILD_VEHICLE_WIDGET_SCROLLBAR),
NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BUILD_VEHICLE_WIDGET_SCROLLBAR),
EndContainer(),
/* Panel with details. */
NWidget(WWT_PANEL, COLOUR_GREY, BUILD_VEHICLE_WIDGET_PANEL), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
/* Build/rename buttons, resize button. */
NWidget(NWID_HORIZONTAL),
NWidget(NWID_SELECTION, INVALID_COLOUR, BUILD_VEHICLE_WIDGET_BUILD_SEL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BUILD_VEHICLE_WIDGET_BUILD), SetResize(1, 0), SetFill(1, 0),
EndContainer(),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BUILD_VEHICLE_WIDGET_RENAME), SetResize(1, 0), SetFill(1, 0),
NWidget(WWT_RESIZEBOX, COLOUR_GREY),
EndContainer(),
};
/** Special cargo filter criteria */
static const CargoID CF_ANY = CT_NO_REFIT; ///< Show all vehicles independent of carried cargo (i.e. no filtering)
static const CargoID CF_NONE = CT_INVALID; ///< Show only vehicles which do not carry cargo (e.g. train engines)
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 CargoID _last_filter_criteria[] = {CF_ANY, CF_ANY, CF_ANY, CF_ANY};
static int CDECL EngineNumberSorter(const EngineID *a, const EngineID *b)
{
int r = ListPositionOfEngine(*a) - ListPositionOfEngine(*b);
return _internal_sort_order ? -r : r;
}
static int CDECL EngineIntroDateSorter(const EngineID *a, const EngineID *b)
{
const int va = Engine::Get(*a)->intro_date;
const int vb = Engine::Get(*b)->intro_date;
const int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EngineNameSorter(const EngineID *a, const EngineID *b)
{
static EngineID last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };
static char last_name[2][64] = { "\0", "\0" };
const EngineID va = *a;
const EngineID vb = *b;
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]));
}
int r = strcmp(last_name[0], last_name[1]); // sort by name
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EngineReliabilitySorter(const EngineID *a, const EngineID *b)
{
const int va = Engine::Get(*a)->reliability;
const int vb = Engine::Get(*b)->reliability;
const int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EngineCostSorter(const EngineID *a, const EngineID *b)
{
Money va = Engine::Get(*a)->GetCost();
Money vb = Engine::Get(*b)->GetCost();
int r = ClampToI32(va - vb);
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EngineSpeedSorter(const EngineID *a, const EngineID *b)
{
int va = Engine::Get(*a)->GetDisplayMaxSpeed();
int vb = Engine::Get(*b)->GetDisplayMaxSpeed();
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EnginePowerSorter(const EngineID *a, const EngineID *b)
{
int va = Engine::Get(*a)->GetPower();
int vb = Engine::Get(*b)->GetPower();
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EngineRunningCostSorter(const EngineID *a, const EngineID *b)
{
Money va = Engine::Get(*a)->GetRunningCost();
Money vb = Engine::Get(*b)->GetRunningCost();
int r = ClampToI32(va - vb);
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL EnginePowerVsRunningCostSorter(const EngineID *a, const EngineID *b)
{
const Engine *e_a = Engine::Get(*a);
const Engine *e_b = Engine::Get(*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 = (e_a->GetRunningCost()) / max(1U, (uint)e_a->GetPower());
Money vb = (e_b->GetRunningCost()) / max(1U, (uint)e_b->GetPower());
int r = ClampToI32(vb - va);
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
/* Train sorting functions */
static int CDECL TrainEngineCapacitySorter(const EngineID *a, const EngineID *b)
{
const RailVehicleInfo *rvi_a = RailVehInfo(*a);
const RailVehicleInfo *rvi_b = RailVehInfo(*b);
int va = GetTotalCapacityOfArticulatedParts(*a) * (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
int vb = GetTotalCapacityOfArticulatedParts(*b) * (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
static int CDECL TrainEnginesThenWagonsSorter(const EngineID *a, const EngineID *b)
{
int val_a = (RailVehInfo(*a)->railveh_type == RAILVEH_WAGON ? 1 : 0);
int val_b = (RailVehInfo(*b)->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 RoadVehEngineCapacitySorter(const EngineID *a, const EngineID *b)
{
int va = GetTotalCapacityOfArticulatedParts(*a);
int vb = GetTotalCapacityOfArticulatedParts(*b);
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
/* Ship vehicle sorting functions */
static int CDECL ShipEngineCapacitySorter(const EngineID *a, const EngineID *b)
{
const Engine *e_a = Engine::Get(*a);
const Engine *e_b = Engine::Get(*b);
int va = e_a->GetDisplayDefaultCapacity();
int vb = e_b->GetDisplayDefaultCapacity();
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _internal_sort_order ? -r : r;
}
/* Aircraft sorting functions */
static int CDECL AircraftEngineCargoSorter(const EngineID *a, const EngineID *b)
{
const Engine *e_a = Engine::Get(*a);
const Engine *e_b = Engine::Get(*b);
uint16 mail_a, mail_b;
int va = e_a->GetDisplayDefaultCapacity(&mail_a);
int vb = e_b->GetDisplayDefaultCapacity(&mail_b);
int r = va - vb;
if (r == 0) {
/* The planes have the same passenger capacity. Check mail capacity instead */
r = mail_a - mail_b;
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 */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EnginePowerSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EnginePowerVsRunningCostSorter,
&EngineReliabilitySorter,
&TrainEngineCapacitySorter,
}, {
/* Road vehicles */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EngineReliabilitySorter,
&RoadVehEngineCapacitySorter,
&EnginePowerSorter,
&EnginePowerVsRunningCostSorter,
}, {
/* Ships */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EngineReliabilitySorter,
&ShipEngineCapacitySorter,
}, {
/* Aircraft */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EngineReliabilitySorter,
&AircraftEngineCargoSorter,
}};
static const StringID _sort_listing[][11] = {{
/* Trains */
STR_SORT_BY_ENGINE_ID,
STR_SORT_BY_COST,
STR_SORT_BY_MAX_SPEED,
STR_SORT_BY_POWER,
STR_SORT_BY_INTRO_DATE,
STR_SORT_BY_NAME,
STR_SORT_BY_RUNNING_COST,
STR_SORT_BY_POWER_VS_RUNNING_COST,
STR_SORT_BY_RELIABILITY,
STR_SORT_BY_CARGO_CAPACITY,
INVALID_STRING_ID
}, {
/* Road vehicles */
STR_SORT_BY_ENGINE_ID,
STR_SORT_BY_COST,
STR_SORT_BY_MAX_SPEED,
STR_SORT_BY_INTRO_DATE,
STR_SORT_BY_NAME,
STR_SORT_BY_RUNNING_COST,
STR_SORT_BY_RELIABILITY,
STR_SORT_BY_CARGO_CAPACITY,
STR_SORT_BY_POWER,
STR_SORT_BY_POWER_VS_RUNNING_COST,
INVALID_STRING_ID
}, {
/* Ships */
STR_SORT_BY_ENGINE_ID,
STR_SORT_BY_COST,
STR_SORT_BY_MAX_SPEED,
STR_SORT_BY_INTRO_DATE,
STR_SORT_BY_NAME,
STR_SORT_BY_RUNNING_COST,
STR_SORT_BY_RELIABILITY,
STR_SORT_BY_CARGO_CAPACITY,
INVALID_STRING_ID
}, {
/* Aircraft */
STR_SORT_BY_ENGINE_ID,
STR_SORT_BY_COST,
STR_SORT_BY_MAX_SPEED,
STR_SORT_BY_INTRO_DATE,
STR_SORT_BY_NAME,
STR_SORT_BY_RUNNING_COST,
STR_SORT_BY_RELIABILITY,
STR_SORT_BY_CARGO_CAPACITY,
INVALID_STRING_ID
}};
/** Cargo filter functions */
static bool CDECL CargoFilter(const EngineID *eid, const CargoID cid)
{
if (cid == CF_ANY) return true;
uint32 refit_mask = GetUnionOfArticulatedRefitMasks(*eid, true);
return (cid == CF_NONE ? refit_mask == 0 : HasBit(refit_mask, cid));
}
static GUIEngineList::FilterFunction * const _filter_funcs[] = {
&CargoFilter,
};
static int DrawCargoCapacityInfo(int left, int right, int y, EngineID engine, bool refittable)
{
CargoArray cap = GetCapacityOfArticulatedParts(engine);
for (CargoID c = 0; c < NUM_CARGO; c++) {
if (cap[c] == 0) continue;
SetDParam(0, c);
SetDParam(1, cap[c]);
SetDParam(2, refittable ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
y += FONT_HEIGHT_NORMAL;
/* Only show as refittable once */
refittable = false;
}
return y;
}
/* Draw rail wagon specific details */
static int DrawRailWagonPurchaseInfo(int left, int right, int y, EngineID engine_number, const RailVehicleInfo *rvi)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase cost */
SetDParam(0, e->GetCost());
DrawString(left, right, y, STR_PURCHASE_INFO_COST);
y += FONT_HEIGHT_NORMAL;
/* Wagon weight - (including cargo) */
uint weight = e->GetDisplayWeight();
SetDParam(0, weight);
uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(e->GetDefaultCargoType())->weight * e->GetDisplayDefaultCapacity() >> 4 : 0);
SetDParam(1, cargo_weight + weight);
DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
y += FONT_HEIGHT_NORMAL;
/* Wagon speed limit, displayed if above zero */
if (_settings_game.vehicle.wagon_speed_limits) {
uint max_speed = e->GetDisplayMaxSpeed();
if (max_speed > 0) {
SetDParam(0, max_speed);
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED);
y += FONT_HEIGHT_NORMAL;
}
}
/* Running cost */
if (rvi->running_cost_class != INVALID_PRICE) {
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
}
return y;
}
/* Draw locomotive specific details */
static int DrawRailEnginePurchaseInfo(int left, int right, int y, EngineID engine_number, const RailVehicleInfo *rvi)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase Cost - Engine weight */
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayWeight());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_WEIGHT);
y += FONT_HEIGHT_NORMAL;
/* Max speed - Engine power */
SetDParam(0, e->GetDisplayMaxSpeed());
SetDParam(1, e->GetPower());
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_POWER);
y += FONT_HEIGHT_NORMAL;
/* Max tractive effort - not applicable if old acceleration or maglev */
if (_settings_game.vehicle.train_acceleration_model != AM_ORIGINAL && GetRailTypeInfo(rvi->railtype)->acceleration_type != 2) {
SetDParam(0, e->GetDisplayMaxTractiveEffort());
DrawString(left, right, y, STR_PURCHASE_INFO_MAX_TE);
y += FONT_HEIGHT_NORMAL;
}
/* Running cost */
if (rvi->running_cost_class != INVALID_PRICE) {
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
}
/* 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(left, right, y, STR_PURCHASE_INFO_PWAGPOWER_PWAGWEIGHT);
y += FONT_HEIGHT_NORMAL;
};
return y;
}
/* Draw road vehicle specific details */
static int DrawRoadVehPurchaseInfo(int left, int right, int y, EngineID engine_number)
{
const Engine *e = Engine::Get(engine_number);
if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
/* Purchase Cost */
SetDParam(0, e->GetCost());
DrawString(left, right, y, STR_PURCHASE_INFO_COST);
y += FONT_HEIGHT_NORMAL;
/* Road vehicle weight - (including cargo) */
int16 weight = e->GetDisplayWeight();
SetDParam(0, weight);
uint cargo_weight = CargoSpec::Get(e->GetDefaultCargoType())->weight * GetTotalCapacityOfArticulatedParts(engine_number) / 16;
SetDParam(1, cargo_weight + weight);
DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
y += FONT_HEIGHT_NORMAL;
/* Max speed - Engine power */
SetDParam(0, e->GetDisplayMaxSpeed());
SetDParam(1, e->GetPower());
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_POWER);
y += FONT_HEIGHT_NORMAL;
/* Max tractive effort */
SetDParam(0, e->GetDisplayMaxTractiveEffort());
DrawString(left, right, y, STR_PURCHASE_INFO_MAX_TE);
y += FONT_HEIGHT_NORMAL;
} else {
/* Purchase cost - Max speed */
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
y += FONT_HEIGHT_NORMAL;
}
/* Running cost */
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
return y;
}
/* Draw ship specific details */
static int DrawShipPurchaseInfo(int left, int right, int y, EngineID engine_number, bool refittable)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase cost - Max speed */
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
y += FONT_HEIGHT_NORMAL;
/* Cargo type + capacity */
SetDParam(0, e->GetDefaultCargoType());
SetDParam(1, e->GetDisplayDefaultCapacity());
SetDParam(2, refittable ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
y += FONT_HEIGHT_NORMAL;
/* Running cost */
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
return y;
}
/* Draw aircraft specific details */
static int DrawAircraftPurchaseInfo(int left, int right, int y, EngineID engine_number, bool refittable)
{
const Engine *e = Engine::Get(engine_number);
CargoID cargo = e->GetDefaultCargoType();
/* Purchase cost - Max speed */
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
y += FONT_HEIGHT_NORMAL;
/* Cargo capacity */
uint16 mail_capacity;
uint capacity = e->GetDisplayDefaultCapacity(&mail_capacity);
if (mail_capacity > 0) {
SetDParam(0, cargo);
SetDParam(1, capacity);
SetDParam(2, CT_MAIL);
SetDParam(3, mail_capacity);
DrawString(left, right, y, STR_PURCHASE_INFO_AIRCRAFT_CAPACITY);
} 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, capacity);
SetDParam(2, refittable ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
}
y += FONT_HEIGHT_NORMAL;
/* Running cost */
SetDParam(0, e->GetRunningCost());
DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
y += FONT_HEIGHT_NORMAL;
return y;
}
/**
* Display additional text from NewGRF in the purchase information window
* @param left Left border of text bounding box
* @param right Right border of text bounding box
* @param y Top border of text bounding box
* @param engine Engine to query the additional purchase information for
* @return Bottom border of text bounding box
*/
static uint ShowAdditionalText(int left, int right, int y, EngineID engine)
{
uint16 callback = GetVehicleCallback(CBID_VEHICLE_ADDITIONAL_TEXT, 0, 0, engine, NULL);
if (callback == CALLBACK_FAILED) return y;
/* STR_BLACK_STRING is used to start the string with {BLACK} */
SetDParam(0, GetGRFStringID(GetEngineGRFID(engine), 0xD000 + callback));
PrepareTextRefStackUsage(0);
uint result = DrawStringMultiLine(left, right, y, INT32_MAX, STR_BLACK_STRING);
StopTextRefStackUsage();
return result;
}
/**
* Draw the purchase info details of a vehicle at a given location.
* @param left,right,y location where to draw the info
* @param engine_number the engine of which to draw the info of
* @return y after drawing all the text
*/
int DrawVehiclePurchaseInfo(int left, int right, int y, EngineID engine_number)
{
const Engine *e = Engine::Get(engine_number);
YearMonthDay ymd;
ConvertDateToYMD(e->intro_date, &ymd);
bool refittable = IsArticulatedVehicleRefittable(engine_number);
bool articulated_cargo = false;
switch (e->type) {
default: NOT_REACHED();
case VEH_TRAIN:
if (e->u.rail.railveh_type == RAILVEH_WAGON) {
y = DrawRailWagonPurchaseInfo(left, right, y, engine_number, &e->u.rail);
} else {
y = DrawRailEnginePurchaseInfo(left, right, y, engine_number, &e->u.rail);
}
articulated_cargo = true;
break;
case VEH_ROAD:
y = DrawRoadVehPurchaseInfo(left, right, y, engine_number);
articulated_cargo = true;
break;
case VEH_SHIP:
y = DrawShipPurchaseInfo(left, right, y, engine_number, refittable);
break;
case VEH_AIRCRAFT:
y = DrawAircraftPurchaseInfo(left, right, y, engine_number, refittable);
break;
}
if (articulated_cargo) {
/* Cargo type + capacity, or N/A */
int new_y = DrawCargoCapacityInfo(left, right, y, engine_number, refittable);
if (new_y == y) {
SetDParam(0, CT_INVALID);
SetDParam(2, STR_EMPTY);
DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
y += FONT_HEIGHT_NORMAL;
} else {
y = new_y;
}
}
/* Draw details, that applies to all types except rail wagons */
if (e->type != VEH_TRAIN || e->u.rail.railveh_type != RAILVEH_WAGON) {
/* Design date - Life length */
SetDParam(0, ymd.year);
SetDParam(1, e->GetLifeLengthInDays() / DAYS_IN_LEAP_YEAR);
DrawString(left, right, y, STR_PURCHASE_INFO_DESIGNED_LIFE);
y += FONT_HEIGHT_NORMAL;
/* Reliability */
SetDParam(0, ToPercent16(e->reliability));
DrawString(left, right, y, STR_PURCHASE_INFO_RELIABILITY);
y += FONT_HEIGHT_NORMAL;
}
/* Additional text from NewGRF */
y = ShowAdditionalText(left, right, y, engine_number);
if (refittable) y = ShowRefitOptionsList(left, right, y, engine_number);
return y;
}
/**
* Engine drawing loop
* @param type Type of vehicle (VEH_*)
* @param l The left most location of the list
* @param r The right most location of the list
* @param y The top most location of the list
* @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 Whether to show the amount of engines or not
* @param selected_group the group to list the engines of
*/
void DrawEngineList(VehicleType type, int l, int r, int y, const GUIEngineList *eng_list, uint16 min, uint16 max, EngineID selected_id, bool show_count, GroupID selected_group)
{
static const int sprite_widths[] = { 60, 60, 76, 67 };
static const int sprite_y_offsets[] = { -1, -1, -2, -2 };
/* Obligatory sanity checks! */
assert((uint)type < lengthof(sprite_widths));
assert_compile(lengthof(sprite_y_offsets) == lengthof(sprite_widths));
assert(max <= eng_list->Length());
bool rtl = _dynlang.text_dir == TD_RTL;
int step_size = GetEngineListHeight(type);
int sprite_width = sprite_widths[type];
int sprite_x = (rtl ? r - sprite_width / 2 : l + sprite_width / 2) - 1;
int sprite_y_offset = sprite_y_offsets[type] + step_size / 2;
int text_left = l + (rtl ? WD_FRAMERECT_LEFT : sprite_width);
int text_right = r - (rtl ? sprite_width : WD_FRAMERECT_RIGHT);
int normal_text_y_offset = (step_size - FONT_HEIGHT_NORMAL) / 2;
int small_text_y_offset = step_size - FONT_HEIGHT_SMALL - WD_FRAMERECT_BOTTOM - 1;
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_company here. */
const uint num_engines = GetGroupNumEngines(_local_company, selected_group, engine);
SetDParam(0, engine);
DrawString(text_left, text_right, y + normal_text_y_offset, STR_ENGINE_NAME, engine == selected_id ? TC_WHITE : TC_BLACK);
DrawVehicleEngine(l, r, sprite_x, y + sprite_y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_company));
if (show_count) {
SetDParam(0, num_engines);
DrawString(text_left, text_right, y + small_text_y_offset, STR_TINY_BLACK_COMA, TC_FROMSTRING, SA_RIGHT);
}
}
}
struct BuildVehicleWindow : Window {
VehicleType vehicle_type;
union {
RailTypeByte railtype;
RoadTypes roadtypes;
} filter;
bool descending_sort_order;
byte sort_criteria;
bool listview_mode;
EngineID sel_engine;
EngineID rename_engine;
GUIEngineList eng_list;
CargoID cargo_filter[NUM_CARGO + 2]; ///< Available cargo filters; CargoID or CF_ANY or CF_NONE
StringID cargo_filter_texts[NUM_CARGO + 3]; ///< Texts for filter_cargo, terminated by INVALID_STRING_ID
byte cargo_filter_criteria; ///< Selected cargo filter
int details_height; ///< Minimal needed height of the details panels (found so far).
Scrollbar *vscroll;
BuildVehicleWindow(const WindowDesc *desc, TileIndex tile, VehicleType type) : Window()
{
this->vehicle_type = type;
this->window_number = tile == INVALID_TILE ? (int)type : tile;
this->sel_engine = INVALID_ENGINE;
this->sort_criteria = _last_sort_criteria[type];
this->descending_sort_order = _last_sort_order[type];
switch (type) {
default: NOT_REACHED();
case VEH_TRAIN:
this->filter.railtype = (tile == INVALID_TILE) ? RAILTYPE_END : GetRailType(tile);
break;
case VEH_ROAD:
this->filter.roadtypes = (tile == INVALID_TILE) ? ROADTYPES_ALL : GetRoadTypes(tile);
case VEH_SHIP:
case VEH_AIRCRAFT:
break;
}
this->listview_mode = (this->window_number <= VEH_END);
this->CreateNestedTree(desc);
this->vscroll = this->GetScrollbar(BUILD_VEHICLE_WIDGET_SCROLLBAR);
/* If we are just viewing the list of vehicles, we do not need the Build button.
* So we just hide it, and enlarge the Rename buton by the now vacant place. */
if (this->listview_mode) this->GetWidget<NWidgetStacked>(BUILD_VEHICLE_WIDGET_BUILD_SEL)->SetDisplayedPlane(SZSP_NONE);
NWidgetCore *widget = this->GetWidget<NWidgetCore>(BUILD_VEHICLE_WIDGET_LIST);
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP + type;
widget = this->GetWidget<NWidgetCore>(BUILD_VEHICLE_WIDGET_BUILD);
widget->widget_data = STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_BUTTON + type;
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_TOOLTIP + type;
widget = this->GetWidget<NWidgetCore>(BUILD_VEHICLE_WIDGET_RENAME);
widget->widget_data = STR_BUY_VEHICLE_TRAIN_RENAME_BUTTON + type;
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_RENAME_TOOLTIP + type;
this->details_height = ((this->vehicle_type == VEH_TRAIN) ? 10 : 9) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
this->FinishInitNested(desc, tile == INVALID_TILE ? (int)type : tile);
this->owner = (tile != INVALID_TILE) ? GetTileOwner(tile) : _local_company;
this->eng_list.ForceRebuild();
this->GenerateBuildList(); // 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 (this->eng_list.Length() > 0) this->sel_engine = this->eng_list[0];
}
/** Populate the filter list and set the cargo filter criteria. */
void SetCargoFilterArray()
{
uint filter_items = 0;
/* Add item for disabling filtering. */
this->cargo_filter[filter_items] = CF_ANY;
this->cargo_filter_texts[filter_items] = STR_PURCHASE_INFO_ALL_TYPES;
filter_items++;
/* Add item for vehicles not carrying anything, e.g. train engines.
* This could also be useful for eyecandy vehicles of other types, but is likely too confusing for joe, */
if (this->vehicle_type == VEH_TRAIN) {
this->cargo_filter[filter_items] = CF_NONE;
this->cargo_filter_texts[filter_items] = STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE;
filter_items++;
}
/* Collect available cargo types for filtering. */
const CargoSpec *cs;
FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
this->cargo_filter[filter_items] = cs->Index();
this->cargo_filter_texts[filter_items] = cs->name;
filter_items++;
}
/* Terminate the filter list. */
this->cargo_filter_texts[filter_items] = INVALID_STRING_ID;
/* If not found, the cargo criteria will be set to all cargos. */
this->cargo_filter_criteria = 0;
/* Find the last cargo filter criteria. */
for (uint i = 0; i < filter_items; i++) {
if (this->cargo_filter[i] == _last_filter_criteria[this->vehicle_type]) {
this->cargo_filter_criteria = i;
break;
}
}
this->eng_list.SetFilterFuncs(_filter_funcs);
this->eng_list.SetFilterState(this->cargo_filter[this->cargo_filter_criteria] != CF_ANY);
}
void OnInit()
{
this->SetCargoFilterArray();
}
/** Filter the engine list against the currently selected cargo filter */
void FilterEngineList()
{
this->eng_list.Filter(this->cargo_filter[this->cargo_filter_criteria]);
if (0 == this->eng_list.Length()) { // no engine passed through the filter, invalidate the previously selected engine
this->sel_engine = INVALID_ENGINE;
} else if (!this->eng_list.Contains(this->sel_engine)) { // previously selected engine didn't pass the filter, select the first engine of the list
this->sel_engine = this->eng_list[0];
}
}
/** Filter a single engine */
bool FilterSingleEngine(EngineID eid)
{
CargoID filter_type = this->cargo_filter[this->cargo_filter_criteria];
return (filter_type == CF_ANY || CargoFilter(&eid, filter_type));
}
/* Figure out what train EngineIDs to put in the list */
void GenerateBuildTrainList()
{
EngineID sel_id = INVALID_ENGINE;
int num_engines = 0;
int num_wagons = 0;
this->filter.railtype = (this->listview_mode) ? RAILTYPE_END : GetRailType(this->window_number);
this->eng_list.Clear();
/* 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 */
const Engine *e;
FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
EngineID eid = e->index;
const RailVehicleInfo *rvi = &e->u.rail;
if (this->filter.railtype != RAILTYPE_END && !HasPowerOnRail(rvi->railtype, this->filter.railtype)) continue;
if (!IsEngineBuildable(eid, VEH_TRAIN, _local_company)) continue;
/* Filter now! So num_engines and num_wagons is valid */
if (!FilterSingleEngine(eid)) continue;
*this->eng_list.Append() = eid;
if (rvi->railveh_type != RAILVEH_WAGON) {
num_engines++;
} else {
num_wagons++;
}
if (eid == this->sel_engine) sel_id = eid;
}
this->sel_engine = sel_id;
/* make engines first, and then wagons, sorted by ListPositionOfEngine() */
_internal_sort_order = false;
EngList_Sort(&this->eng_list, TrainEnginesThenWagonsSorter);
/* and then sort engines */
_internal_sort_order = this->descending_sort_order;
EngList_SortPartial(&this->eng_list, _sorter[0][this->sort_criteria], 0, num_engines);
/* and finally sort wagons */
EngList_SortPartial(&this->eng_list, _sorter[0][this->sort_criteria], num_engines, num_wagons);
}
/* Figure out what road vehicle EngineIDs to put in the list */
void GenerateBuildRoadVehList()
{
EngineID sel_id = INVALID_ENGINE;
this->eng_list.Clear();
const Engine *e;
FOR_ALL_ENGINES_OF_TYPE(e, VEH_ROAD) {
EngineID eid = e->index;
if (!IsEngineBuildable(eid, VEH_ROAD, _local_company)) continue;
if (!HasBit(this->filter.roadtypes, HasBit(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD)) continue;
*this->eng_list.Append() = eid;
if (eid == this->sel_engine) sel_id = eid;
}
this->sel_engine = sel_id;
}
/* Figure out what ship EngineIDs to put in the list */
void GenerateBuildShipList()
{
EngineID sel_id = INVALID_ENGINE;
this->eng_list.Clear();
const Engine *e;
FOR_ALL_ENGINES_OF_TYPE(e, VEH_SHIP) {
EngineID eid = e->index;
if (!IsEngineBuildable(eid, VEH_SHIP, _local_company)) continue;
*this->eng_list.Append() = eid;
if (eid == this->sel_engine) sel_id = eid;
}
this->sel_engine = sel_id;
}
/* Figure out what aircraft EngineIDs to put in the list */
void GenerateBuildAircraftList()
{
EngineID sel_id = INVALID_ENGINE;
this->eng_list.Clear();
const Station *st = this->listview_mode ? NULL : Station::GetByTile(this->window_number);
/* 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 */
const Engine *e;
FOR_ALL_ENGINES_OF_TYPE(e, VEH_AIRCRAFT) {
EngineID eid = e->index;
if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_company)) continue;
/* First VEH_END window_numbers are fake to allow a window open for all different types at once */
if (!this->listview_mode && !CanVehicleUseStation(eid, st)) continue;
*this->eng_list.Append() = eid;
if (eid == this->sel_engine) sel_id = eid;
}
this->sel_engine = sel_id;
}
/* Generate the list of vehicles */
void GenerateBuildList()
{
if (!this->eng_list.NeedRebuild()) return;
switch (this->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN:
this->GenerateBuildTrainList();
this->eng_list.Compact();
this->eng_list.RebuildDone();
return; // trains should not reach the last sorting
case VEH_ROAD:
this->GenerateBuildRoadVehList();
break;
case VEH_SHIP:
this->GenerateBuildShipList();
break;
case VEH_AIRCRAFT:
this->GenerateBuildAircraftList();
break;
}
this->FilterEngineList();
_internal_sort_order = this->descending_sort_order;
EngList_Sort(&this->eng_list, _sorter[this->vehicle_type][this->sort_criteria]);
this->eng_list.Compact();
this->eng_list.RebuildDone();
}
void OnClick(Point pt, int widget, int click_count)
{
switch (widget) {
case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:
this->descending_sort_order ^= true;
_last_sort_order[this->vehicle_type] = this->descending_sort_order;
this->eng_list.ForceRebuild();
this->SetDirty();
break;
case BUILD_VEHICLE_WIDGET_LIST: {
uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BUILD_VEHICLE_WIDGET_LIST);
size_t num_items = this->eng_list.Length();
this->sel_engine = (i < num_items) ? this->eng_list[i] : INVALID_ENGINE;
this->SetDirty();
if (click_count > 1 && !this->listview_mode) this->OnClick(pt, BUILD_VEHICLE_WIDGET_BUILD, 1);
break;
}
case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN: { // Select sorting criteria dropdown menu
uint32 hidden_mask = 0;
/* Disable sorting by power when the original acceleration model for road vehicles is being used. */
if (this->vehicle_type == VEH_ROAD &&
_settings_game.vehicle.roadveh_acceleration_model == AM_ORIGINAL) {
SetBit(hidden_mask, 8);
SetBit(hidden_mask, 9);
}
ShowDropDownMenu(this, _sort_listing[this->vehicle_type], this->sort_criteria, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN, 0, hidden_mask);
break;
}
case BUILD_VEHICLE_WIDGET_CARGO_FILTER_DROPDOWN: // Select cargo filtering criteria dropdown menu
ShowDropDownMenu(this, this->cargo_filter_texts, this->cargo_filter_criteria, BUILD_VEHICLE_WIDGET_CARGO_FILTER_DROPDOWN, 0, 0);
break;
case BUILD_VEHICLE_WIDGET_BUILD: {
EngineID sel_eng = this->sel_engine;
if (sel_eng != INVALID_ENGINE) {
CommandCallback *callback = (this->vehicle_type == VEH_TRAIN && RailVehInfo(sel_eng)->railveh_type == RAILVEH_WAGON) ? CcBuildWagon : CcBuildPrimaryVehicle;
DoCommandP(this->window_number, sel_eng, 0, GetCmdBuildVeh(this->vehicle_type), callback);
}
break;
}
case BUILD_VEHICLE_WIDGET_RENAME: {
EngineID sel_eng = this->sel_engine;
if (sel_eng != INVALID_ENGINE) {
this->rename_engine = sel_eng;
SetDParam(0, sel_eng);
ShowQueryString(STR_ENGINE_NAME, STR_QUERY_RENAME_TRAIN_TYPE_CAPTION + this->vehicle_type, MAX_LENGTH_ENGINE_NAME_BYTES, MAX_LENGTH_ENGINE_NAME_PIXELS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT);
}
break;
}
}
}
virtual void OnInvalidateData(int data)
{
/* When switching to original acceleration model for road vehicles, clear the selected sort criteria if it is not available now. */
if (this->vehicle_type == VEH_ROAD &&
_settings_game.vehicle.roadveh_acceleration_model == AM_ORIGINAL &&
this->sort_criteria > 7) {
this->sort_criteria = 0;
_last_sort_criteria[VEH_ROAD] = 0;
}
this->eng_list.ForceRebuild();
}
virtual void SetStringParameters(int widget) const
{
switch (widget) {
case BUILD_VEHICLE_WIDGET_CAPTION:
if (this->vehicle_type == VEH_TRAIN && !this->listview_mode) {
const RailtypeInfo *rti = GetRailTypeInfo(this->filter.railtype);
SetDParam(0, rti->strings.build_caption);
} else {
SetDParam(0, (this->listview_mode ? STR_VEHICLE_LIST_AVAILABLE_TRAINS : STR_BUY_VEHICLE_TRAIN_ALL_CAPTION) + this->vehicle_type);
}
break;
case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN:
SetDParam(0, _sort_listing[this->vehicle_type][this->sort_criteria]);
break;
case BUILD_VEHICLE_WIDGET_CARGO_FILTER_DROPDOWN:
SetDParam(0, this->cargo_filter_texts[this->cargo_filter_criteria]);
}
}
virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
{
switch (widget) {
case BUILD_VEHICLE_WIDGET_LIST:
resize->height = GetEngineListHeight(this->vehicle_type);
size->height = 3 * resize->height;
break;
case BUILD_VEHICLE_WIDGET_PANEL:
size->height = this->details_height;
break;
}
}
virtual void DrawWidget(const Rect &r, int widget) const
{
switch (widget) {
case BUILD_VEHICLE_WIDGET_LIST:
DrawEngineList(this->vehicle_type, r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, &this->eng_list, this->vscroll->GetPosition(), min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->eng_list.Length()), this->sel_engine, false, DEFAULT_GROUP);
break;
case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:
this->DrawSortButtonState(BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING, this->descending_sort_order ? SBS_DOWN : SBS_UP);
break;
}
}
virtual void OnPaint()
{
this->GenerateBuildList();
this->vscroll->SetCount(this->eng_list.Length());
this->DrawWidgets();
if (!this->IsShaded()) {
int needed_height = this->details_height;
/* Draw details panels. */
if (this->sel_engine != INVALID_ENGINE) {
NWidgetBase *nwi = this->GetWidget<NWidgetBase>(BUILD_VEHICLE_WIDGET_PANEL);
int text_end = DrawVehiclePurchaseInfo(nwi->pos_x + WD_FRAMETEXT_LEFT, nwi->pos_x + nwi->current_x - WD_FRAMETEXT_RIGHT,
nwi->pos_y + WD_FRAMERECT_TOP, this->sel_engine);
needed_height = max(needed_height, text_end - (int)nwi->pos_y + WD_FRAMERECT_BOTTOM);
}
if (needed_height != this->details_height) { // Details window are not high enough, enlarge them.
int resize = needed_height - this->details_height;
this->details_height = needed_height;
this->ReInit(0, resize);
return;
}
}
}
virtual void OnQueryTextFinished(char *str)
{
if (str == NULL) return;
DoCommandP(0, this->rename_engine, 0, CMD_RENAME_ENGINE | CMD_MSG(STR_ERROR_CAN_T_RENAME_TRAIN_TYPE + this->vehicle_type), NULL, str);
}
virtual void OnDropdownSelect(int widget, int index)
{
switch (widget) {
case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN:
if (this->sort_criteria != index) {
this->sort_criteria = index;
_last_sort_criteria[this->vehicle_type] = this->sort_criteria;
this->eng_list.ForceRebuild();
}
break;
case BUILD_VEHICLE_WIDGET_CARGO_FILTER_DROPDOWN: // Select a cargo filter criteria
if (this->cargo_filter_criteria != index) {
this->cargo_filter_criteria = index;
_last_filter_criteria[this->vehicle_type] = this->cargo_filter[this->cargo_filter_criteria];
/* deactivate filter if criteria is 'Show All', activate it otherwise */
this->eng_list.SetFilterState(this->cargo_filter[this->cargo_filter_criteria] != CF_ANY);
this->eng_list.ForceRebuild();
}
break;
}
this->SetDirty();
}
virtual void OnResize()
{
this->vscroll->SetCapacityFromWidget(this, BUILD_VEHICLE_WIDGET_LIST);
this->GetWidget<NWidgetCore>(BUILD_VEHICLE_WIDGET_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
}
};
static const WindowDesc _build_vehicle_desc(
WDP_AUTO, 240, 268,
WC_BUILD_VEHICLE, WC_NONE,
WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
_nested_build_vehicle_widgets, lengthof(_nested_build_vehicle_widgets)
);
void ShowBuildVehicleWindow(TileIndex tile, VehicleType type)
{
/* We want to be able to open both Available Train as Available Ships,
* so if tile == INVALID_TILE (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 == INVALID_TILE) ? (int)type : tile;
assert(IsCompanyBuildableVehicleType(type));
DeleteWindowById(WC_BUILD_VEHICLE, num);
new BuildVehicleWindow(&_build_vehicle_desc, tile, type);
}
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