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openttd/src/build_vehicle_gui.cpp

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/*
* 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 "network/network.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 "string_func.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 "core/geometry_func.hpp"
#include "autoreplace_func.h"
#include "widgets/build_vehicle_widget.h"
#include "table/strings.h"
#include "safeguards.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 std::max<uint>(FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM, GetVehicleImageCellSize(type, EIT_PURCHASE).height);
}
static const NWidgetPart _nested_build_vehicle_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_GREY),
NWidget(WWT_CAPTION, COLOUR_GREY, WID_BV_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_SHADEBOX, COLOUR_GREY),
NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
NWidget(WWT_STICKYBOX, COLOUR_GREY),
EndContainer(),
NWidget(WWT_PANEL, COLOUR_GREY),
NWidget(NWID_VERTICAL),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_SORT_ASCENDING_DESCENDING), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_BV_SORT_DROPDOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BV_SHOW_HIDDEN_ENGINES),
NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_BV_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, WID_BV_LIST), SetResize(1, 1), SetFill(1, 0), SetMatrixDataTip(1, 0, STR_NULL), SetScrollbar(WID_BV_SCROLLBAR),
NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BV_SCROLLBAR),
EndContainer(),
/* Panel with details. */
NWidget(WWT_PANEL, COLOUR_GREY, WID_BV_PANEL), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
/* Build/rename buttons, resize button. */
NWidget(NWID_HORIZONTAL),
NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BV_BUILD_SEL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_BUILD), SetResize(1, 0), SetFill(1, 0),
EndContainer(),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_SHOW_HIDE), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_NULL),
NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_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)
bool _engine_sort_direction; ///< \c false = descending, \c true = ascending.
byte _engine_sort_last_criteria[] = {0, 0, 0, 0}; ///< Last set sort criteria, for each vehicle type.
bool _engine_sort_last_order[] = {false, false, false, false}; ///< Last set direction of the sort order, for each vehicle type.
bool _engine_sort_show_hidden_engines[] = {false, false, false, false}; ///< Last set 'show hidden engines' setting for each vehicle type.
static CargoID _engine_sort_last_cargo_criteria[] = {CF_ANY, CF_ANY, CF_ANY, CF_ANY}; ///< Last set filter criteria, for each vehicle type.
/**
* Determines order of engines by engineID
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool EngineNumberSorter(const EngineID &a, const EngineID &b)
{
int r = Engine::Get(a)->list_position - Engine::Get(b)->list_position;
return _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by introduction date
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/* cached values for EngineNameSorter to spare many GetString() calls */
static EngineID _last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };
/**
* Determines order of engines by name
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool EngineNameSorter(const EngineID &a, const EngineID &b)
{
static char last_name[2][64] = { "", "" };
if (a != _last_engine[0]) {
_last_engine[0] = a;
SetDParam(0, a);
GetString(last_name[0], STR_ENGINE_NAME, lastof(last_name[0]));
}
if (b != _last_engine[1]) {
_last_engine[1] = b;
SetDParam(0, b);
GetString(last_name[1], STR_ENGINE_NAME, lastof(last_name[1]));
}
int r = strnatcmp(last_name[0], last_name[1]); // Sort by name (natural sorting).
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by reliability
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by purchase cost
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by speed
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by power
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by tractive effort
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool EngineTractiveEffortSorter(const EngineID &a, const EngineID &b)
{
int va = Engine::Get(a)->GetDisplayMaxTractiveEffort();
int vb = Engine::Get(b)->GetDisplayMaxTractiveEffort();
int r = va - vb;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by running costs
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of engines by running costs
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool EnginePowerVsRunningCostSorter(const EngineID &a, const EngineID &b)
{
const Engine *e_a = Engine::Get(a);
const Engine *e_b = Engine::Get(b);
uint p_a = e_a->GetPower();
uint p_b = e_b->GetPower();
Money r_a = e_a->GetRunningCost();
Money r_b = e_b->GetRunningCost();
/* Check if running cost is zero in one or both engines.
* If only one of them is zero then that one has higher value,
* else if both have zero cost then compare powers. */
if (r_a == 0) {
if (r_b == 0) {
/* If it is ambiguous which to return go with their ID */
if (p_a == p_b) return EngineNumberSorter(a, b);
return _engine_sort_direction != (p_a < p_b);
}
return !_engine_sort_direction;
}
if (r_b == 0) return _engine_sort_direction;
/* Using double for more precision when comparing close values.
* This shouldn't have any major effects in performance nor in keeping
* the game in sync between players since it's used in GUI only in client side */
double v_a = (double)p_a / (double)r_a;
double v_b = (double)p_b / (double)r_b;
/* Use EngineID to sort if both have same power/running cost,
* since we want consistent sorting.
* Also if both have no power then sort with reverse of running cost to simulate
* previous sorting behaviour for wagons. */
if (v_a == 0 && v_b == 0) return !EngineRunningCostSorter(a, b);
if (v_a == v_b) return EngineNumberSorter(a, b);
return _engine_sort_direction != (v_a < v_b);
}
/* Train sorting functions */
/**
* Determines order of train engines by capacity
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of train engines by engine / wagon
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/* Road vehicle sorting functions */
/**
* Determines order of road vehicles by capacity
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/* Ship vehicle sorting functions */
/**
* Determines order of ships by capacity
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/* Aircraft sorting functions */
/**
* Determines order of aircraft by cargo
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool 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 _engine_sort_direction ? r > 0 : r < 0;
}
/**
* Determines order of aircraft by range.
* @param a first engine to compare
* @param b second engine to compare
* @return for descending order: returns true if a < b. Vice versa for ascending order
*/
static bool AircraftRangeSorter(const EngineID &a, const EngineID &b)
{
uint16 r_a = Engine::Get(a)->GetRange();
uint16 r_b = Engine::Get(b)->GetRange();
int r = r_a - r_b;
/* Use EngineID to sort instead since we want consistent sorting */
if (r == 0) return EngineNumberSorter(a, b);
return _engine_sort_direction ? r > 0 : r < 0;
}
/** Sort functions for the vehicle sort criteria, for each vehicle type. */
EngList_SortTypeFunction * const _engine_sort_functions[][11] = {{
/* Trains */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EnginePowerSorter,
&EngineTractiveEffortSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EnginePowerVsRunningCostSorter,
&EngineReliabilitySorter,
&TrainEngineCapacitySorter,
}, {
/* Road vehicles */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EnginePowerSorter,
&EngineTractiveEffortSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EnginePowerVsRunningCostSorter,
&EngineReliabilitySorter,
&RoadVehEngineCapacitySorter,
}, {
/* Ships */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EngineReliabilitySorter,
&ShipEngineCapacitySorter,
}, {
/* Aircraft */
&EngineNumberSorter,
&EngineCostSorter,
&EngineSpeedSorter,
&EngineIntroDateSorter,
&EngineNameSorter,
&EngineRunningCostSorter,
&EngineReliabilitySorter,
&AircraftEngineCargoSorter,
&AircraftRangeSorter,
}};
/** Dropdown menu strings for the vehicle sort criteria. */
const StringID _engine_sort_listing[][12] = {{
/* Trains */
STR_SORT_BY_ENGINE_ID,
STR_SORT_BY_COST,
STR_SORT_BY_MAX_SPEED,
STR_SORT_BY_POWER,
STR_SORT_BY_TRACTIVE_EFFORT,
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_POWER,
STR_SORT_BY_TRACTIVE_EFFORT,
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
}, {
/* 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,
STR_SORT_BY_RANGE,
INVALID_STRING_ID
}};
/** Cargo filter functions */
static bool CDECL CargoFilter(const EngineID *eid, const CargoID cid)
{
if (cid == CF_ANY) return true;
CargoTypes refit_mask = GetUnionOfArticulatedRefitMasks(*eid, true) & _standard_cargo_mask;
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, TestedEngineDetails &te)
{
CargoArray cap;
CargoTypes refits;
GetArticulatedVehicleCargoesAndRefits(engine, &cap, &refits, te.cargo, te.capacity);
for (CargoID c = 0; c < NUM_CARGO; c++) {
if (cap[c] == 0) continue;
SetDParam(0, c);
SetDParam(1, cap[c]);
SetDParam(2, HasBit(refits, c) ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
y += FONT_HEIGHT_NORMAL;
}
return y;
}
/* Draw rail wagon specific details */
static int DrawRailWagonPurchaseInfo(int left, int right, int y, EngineID engine_number, const RailVehicleInfo *rvi, TestedEngineDetails &te)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase cost */
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT);
} else {
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(te.cargo)->weight * te.capacity / 16 : 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, TestedEngineDetails &te)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase Cost - Engine weight */
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
SetDParam(2, e->GetDisplayWeight());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT_WEIGHT);
} else {
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, TestedEngineDetails &te)
{
const Engine *e = Engine::Get(engine_number);
if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
/* Purchase Cost */
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT);
} else {
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 = (e->CanCarryCargo() ? CargoSpec::Get(te.cargo)->weight * te.capacity / 16 : 0);
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 */
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
SetDParam(2, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT_SPEED);
} else {
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, TestedEngineDetails &te)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase cost - Max speed */
uint raw_speed = e->GetDisplayMaxSpeed();
uint ocean_speed = e->u.ship.ApplyWaterClassSpeedFrac(raw_speed, true);
uint canal_speed = e->u.ship.ApplyWaterClassSpeedFrac(raw_speed, false);
if (ocean_speed == canal_speed) {
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
SetDParam(2, ocean_speed);
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT_SPEED);
} else {
SetDParam(0, e->GetCost());
SetDParam(1, ocean_speed);
DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
}
y += FONT_HEIGHT_NORMAL;
} else {
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT);
} else {
SetDParam(0, e->GetCost());
DrawString(left, right, y, STR_PURCHASE_INFO_COST);
}
y += FONT_HEIGHT_NORMAL;
SetDParam(0, ocean_speed);
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_OCEAN);
y += FONT_HEIGHT_NORMAL;
SetDParam(0, canal_speed);
DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_CANAL);
y += FONT_HEIGHT_NORMAL;
}
/* Cargo type + capacity */
SetDParam(0, te.cargo);
SetDParam(1, te.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;
}
/**
* Draw aircraft specific details in the buy window.
* @param left Left edge of the window to draw in.
* @param right Right edge of the window to draw in.
* @param y Top of the area to draw in.
* @param engine_number Engine to display.
* @param refittable If set, the aircraft can be refitted.
* @return Bottom of the used area.
*/
static int DrawAircraftPurchaseInfo(int left, int right, int y, EngineID engine_number, bool refittable, TestedEngineDetails &te)
{
const Engine *e = Engine::Get(engine_number);
/* Purchase cost - Max speed */
if (te.cost != 0) {
SetDParam(0, e->GetCost() + te.cost);
SetDParam(1, te.cost);
SetDParam(2, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_REFIT_SPEED);
} else {
SetDParam(0, e->GetCost());
SetDParam(1, e->GetDisplayMaxSpeed());
DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
}
y += FONT_HEIGHT_NORMAL;
/* Cargo capacity */
if (te.mail_capacity > 0) {
SetDParam(0, te.cargo);
SetDParam(1, te.capacity);
SetDParam(2, CT_MAIL);
SetDParam(3, te.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, te.cargo);
SetDParam(1, te.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;
/* Aircraft type */
SetDParam(0, e->GetAircraftTypeText());
DrawString(left, right, y, STR_PURCHASE_INFO_AIRCRAFT_TYPE);
y += FONT_HEIGHT_NORMAL;
/* Aircraft range, if available. */
uint16 range = e->GetRange();
if (range != 0) {
SetDParam(0, range);
DrawString(left, right, y, STR_PURCHASE_INFO_AIRCRAFT_RANGE);
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, nullptr);
if (callback == CALLBACK_FAILED || callback == 0x400) return y;
const GRFFile *grffile = Engine::Get(engine)->GetGRF();
if (callback > 0x400) {
ErrorUnknownCallbackResult(grffile->grfid, CBID_VEHICLE_ADDITIONAL_TEXT, callback);
return y;
}
StartTextRefStackUsage(grffile, 6);
uint result = DrawStringMultiLine(left, right, y, INT32_MAX, GetGRFStringID(grffile->grfid, 0xD000 + callback), TC_BLACK);
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, TestedEngineDetails &te)
{
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, te);
} else {
y = DrawRailEnginePurchaseInfo(left, right, y, engine_number, &e->u.rail, te);
}
articulated_cargo = true;
break;
case VEH_ROAD:
y = DrawRoadVehPurchaseInfo(left, right, y, engine_number, te);
articulated_cargo = true;
break;
case VEH_SHIP:
y = DrawShipPurchaseInfo(left, right, y, engine_number, refittable, te);
break;
case VEH_AIRCRAFT:
y = DrawAircraftPurchaseInfo(left, right, y, engine_number, refittable, te);
break;
}
if (articulated_cargo) {
/* Cargo type + capacity, or N/A */
int new_y = DrawCargoCapacityInfo(left, right, y, engine_number, te);
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 apply 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;
}
if (refittable) y = ShowRefitOptionsList(left, right, y, engine_number);
/* Additional text from NewGRF */
y = ShowAdditionalText(left, right, y, engine_number);
/* The NewGRF's name which the vehicle comes from */
const GRFConfig *config = GetGRFConfig(e->GetGRFID());
if (_settings_client.gui.show_newgrf_name && config != nullptr)
{
DrawString(left, right, y, config->GetName(), TC_BLACK);
y += FONT_HEIGHT_NORMAL;
}
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_y_offsets[] = { -1, -1, -2, -2 };
/* Obligatory sanity checks! */
assert(max <= eng_list->size());
bool rtl = _current_text_dir == TD_RTL;
int step_size = GetEngineListHeight(type);
int sprite_left = GetVehicleImageCellSize(type, EIT_PURCHASE).extend_left;
int sprite_right = GetVehicleImageCellSize(type, EIT_PURCHASE).extend_right;
int sprite_width = sprite_left + sprite_right;
int sprite_x = rtl ? r - sprite_right - 1 : l + sprite_left + 1;
int sprite_y_offset = sprite_y_offsets[type] + step_size / 2;
Dimension replace_icon = {0, 0};
int count_width = 0;
if (show_count) {
replace_icon = GetSpriteSize(SPR_GROUP_REPLACE_ACTIVE);
SetDParamMaxDigits(0, 3, FS_SMALL);
count_width = GetStringBoundingBox(STR_TINY_BLACK_COMA).width;
}
int text_left = l + (rtl ? WD_FRAMERECT_LEFT + replace_icon.width + 8 + count_width : sprite_width + WD_FRAMETEXT_LEFT);
int text_right = r - (rtl ? sprite_width + WD_FRAMETEXT_RIGHT : WD_FRAMERECT_RIGHT + replace_icon.width + 8 + count_width);
int replace_icon_left = rtl ? l + WD_FRAMERECT_LEFT : r - WD_FRAMERECT_RIGHT - replace_icon.width;
int count_left = l;
int count_right = rtl ? text_left : r - WD_FRAMERECT_RIGHT - replace_icon.width - 8;
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;
int replace_icon_y_offset = (step_size - replace_icon.height) / 2 - 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);
const Engine *e = Engine::Get(engine);
bool hidden = HasBit(e->company_hidden, _local_company);
StringID str = hidden ? STR_HIDDEN_ENGINE_NAME : STR_ENGINE_NAME;
TextColour tc = (engine == selected_id) ? TC_WHITE : (TC_NO_SHADE | (hidden ? TC_GREY : TC_BLACK));
SetDParam(0, engine);
DrawString(text_left, text_right, y + normal_text_y_offset, str, tc);
DrawVehicleEngine(l, r, sprite_x, y + sprite_y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_company), EIT_PURCHASE);
if (show_count) {
SetDParam(0, num_engines);
DrawString(count_left, count_right, y + small_text_y_offset, STR_TINY_BLACK_COMA, TC_FROMSTRING, SA_RIGHT | SA_FORCE);
if (EngineHasReplacementForCompany(Company::Get(_local_company), engine, selected_group)) DrawSprite(SPR_GROUP_REPLACE_ACTIVE, num_engines == 0 ? PALETTE_CRASH : PAL_NONE, replace_icon_left, y + replace_icon_y_offset);
}
}
}
/**
* Display the dropdown for the vehicle sort criteria.
* @param w Parent window (holds the dropdown button).
* @param vehicle_type %Vehicle type being sorted.
* @param selected Currently selected sort criterium.
* @param button Widget button.
*/
void DisplayVehicleSortDropDown(Window *w, VehicleType vehicle_type, int selected, int button)
{
uint32 hidden_mask = 0;
/* Disable sorting by power or tractive effort when the original acceleration model for road vehicles is being used. */
if (vehicle_type == VEH_ROAD && _settings_game.vehicle.roadveh_acceleration_model == AM_ORIGINAL) {
SetBit(hidden_mask, 3); // power
SetBit(hidden_mask, 4); // tractive effort
SetBit(hidden_mask, 8); // power by running costs
}
/* Disable sorting by tractive effort when the original acceleration model for trains is being used. */
if (vehicle_type == VEH_TRAIN && _settings_game.vehicle.train_acceleration_model == AM_ORIGINAL) {
SetBit(hidden_mask, 4); // tractive effort
}
ShowDropDownMenu(w, _engine_sort_listing[vehicle_type], selected, button, 0, hidden_mask);
}
/** GUI for building vehicles. */
struct BuildVehicleWindow : Window {
VehicleType vehicle_type; ///< Type of vehicles shown in the window.
union {
RailType railtype; ///< Rail type to show, or #INVALID_RAILTYPE.
RoadType roadtype; ///< Road type to show, or #INVALID_ROADTYPE.
} filter; ///< Filter to apply.
bool descending_sort_order; ///< Sort direction, @see _engine_sort_direction
byte sort_criteria; ///< Current sort criterium.
bool show_hidden_engines; ///< State of the 'show hidden engines' button.
bool listview_mode; ///< If set, only display the available vehicles and do not show a 'build' button.
EngineID sel_engine; ///< Currently selected engine, or #INVALID_ENGINE
EngineID rename_engine; ///< Engine being renamed.
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;
TestedEngineDetails te; ///< Tested cost and capacity after refit.
void SetBuyVehicleText()
{
NWidgetCore *widget = this->GetWidget<NWidgetCore>(WID_BV_BUILD);
bool refit = this->sel_engine != INVALID_ENGINE && this->cargo_filter[this->cargo_filter_criteria] != CF_ANY && this->cargo_filter[this->cargo_filter_criteria] != CF_NONE;
if (refit) refit = Engine::Get(this->sel_engine)->GetDefaultCargoType() != this->cargo_filter[this->cargo_filter_criteria];
if (refit) {
widget->widget_data = STR_BUY_VEHICLE_TRAIN_BUY_REFIT_VEHICLE_BUTTON + this->vehicle_type;
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_BUY_REFIT_VEHICLE_TOOLTIP + this->vehicle_type;
} else {
widget->widget_data = STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_BUTTON + this->vehicle_type;
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_TOOLTIP + this->vehicle_type;
}
}
BuildVehicleWindow(WindowDesc *desc, TileIndex tile, VehicleType type) : Window(desc)
{
this->vehicle_type = type;
this->listview_mode = tile == INVALID_TILE;
this->window_number = this->listview_mode ? (int)type : tile;
this->sel_engine = INVALID_ENGINE;
this->sort_criteria = _engine_sort_last_criteria[type];
this->descending_sort_order = _engine_sort_last_order[type];
this->show_hidden_engines = _engine_sort_show_hidden_engines[type];
this->UpdateFilterByTile();
this->CreateNestedTree();
this->vscroll = this->GetScrollbar(WID_BV_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 button by the now vacant place. */
if (this->listview_mode) this->GetWidget<NWidgetStacked>(WID_BV_BUILD_SEL)->SetDisplayedPlane(SZSP_NONE);
/* disable renaming engines in network games if you are not the server */
this->SetWidgetDisabledState(WID_BV_RENAME, _networking && !_network_server);
NWidgetCore *widget = this->GetWidget<NWidgetCore>(WID_BV_LIST);
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP + type;
widget = this->GetWidget<NWidgetCore>(WID_BV_SHOW_HIDE);
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_HIDE_SHOW_TOGGLE_TOOLTIP + type;
widget = this->GetWidget<NWidgetCore>(WID_BV_RENAME);
widget->widget_data = STR_BUY_VEHICLE_TRAIN_RENAME_BUTTON + type;
widget->tool_tip = STR_BUY_VEHICLE_TRAIN_RENAME_TOOLTIP + type;
widget = this->GetWidget<NWidgetCore>(WID_BV_SHOW_HIDDEN_ENGINES);
widget->widget_data = STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN + type;
widget->tool_tip = STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP + type;
widget->SetLowered(this->show_hidden_engines);
this->details_height = ((this->vehicle_type == VEH_TRAIN) ? 10 : 9) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
this->FinishInitNested(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.size() > 0) {
this->SelectEngine(this->eng_list[0]);
} else {
this->SelectEngine(INVALID_ENGINE);
}
}
/** Set the filter type according to the depot type */
void UpdateFilterByTile()
{
switch (this->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN:
if (this->listview_mode) {
this->filter.railtype = INVALID_RAILTYPE;
} else {
this->filter.railtype = GetRailType(this->window_number);
}
break;
case VEH_ROAD:
if (this->listview_mode) {
this->filter.roadtype = INVALID_ROADTYPE;
} else {
this->filter.roadtype = GetRoadTypeRoad(this->window_number);
if (this->filter.roadtype == INVALID_ROADTYPE) {
this->filter.roadtype = GetRoadTypeTram(this->window_number);
}
}
break;
case VEH_SHIP:
case VEH_AIRCRAFT:
break;
}
}
/** 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_PURCHASE_INFO_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 cargoes. */
this->cargo_filter_criteria = 0;
/* Find the last cargo filter criteria. */
for (uint i = 0; i < filter_items; i++) {
if (this->cargo_filter[i] == _engine_sort_last_cargo_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 SelectEngine(EngineID engine)
{
CargoID cargo = this->cargo_filter[this->cargo_filter_criteria];
if (cargo == CF_ANY) cargo = CF_NONE;
this->sel_engine = engine;
this->SetBuyVehicleText();
if (this->sel_engine == INVALID_ENGINE) return;
const Engine *e = Engine::Get(this->sel_engine);
if (!e->CanCarryCargo()) {
this->te.cost = 0;
this->te.cargo = CT_INVALID;
return;
}
if (!this->listview_mode) {
/* Query for cost and refitted capacity */
CommandCost ret = DoCommand(this->window_number, this->sel_engine | (cargo << 24), 0, DC_QUERY_COST, GetCmdBuildVeh(this->vehicle_type), nullptr);
if (ret.Succeeded()) {
this->te.cost = ret.GetCost() - e->GetCost();
this->te.capacity = _returned_refit_capacity;
this->te.mail_capacity = _returned_mail_refit_capacity;
this->te.cargo = (cargo == CT_INVALID) ? e->GetDefaultCargoType() : cargo;
return;
}
}
/* Purchase test was not possible or failed, fill in the defaults instead. */
this->te.cost = 0;
this->te.capacity = e->GetDisplayDefaultCapacity(&this->te.mail_capacity);
this->te.cargo = e->GetDefaultCargoType();
}
void OnInit() override
{
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.size()) { // no engine passed through the filter, invalidate the previously selected engine
this->SelectEngine(INVALID_ENGINE);
} else if (std::find(this->eng_list.begin(), this->eng_list.end(), this->sel_engine) == this->eng_list.end()) { // previously selected engine didn't pass the filter, select the first engine of the list
this->SelectEngine(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->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 */
for (const Engine *e : Engine::IterateType(VEH_TRAIN)) {
if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
EngineID eid = e->index;
const RailVehicleInfo *rvi = &e->u.rail;
if (this->filter.railtype != INVALID_RAILTYPE && !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.push_back(eid);
if (rvi->railveh_type != RAILVEH_WAGON) {
num_engines++;
} else {
num_wagons++;
}
if (eid == this->sel_engine) sel_id = eid;
}
this->SelectEngine(sel_id);
/* invalidate cached values for name sorter - engine names could change */
_last_engine[0] = _last_engine[1] = INVALID_ENGINE;
/* make engines first, and then wagons, sorted by selected sort_criteria */
_engine_sort_direction = false;
EngList_Sort(&this->eng_list, TrainEnginesThenWagonsSorter);
/* and then sort engines */
_engine_sort_direction = this->descending_sort_order;
EngList_SortPartial(&this->eng_list, _engine_sort_functions[0][this->sort_criteria], 0, num_engines);
/* and finally sort wagons */
EngList_SortPartial(&this->eng_list, _engine_sort_functions[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();
for (const Engine *e : Engine::IterateType(VEH_ROAD)) {
if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
EngineID eid = e->index;
if (!IsEngineBuildable(eid, VEH_ROAD, _local_company)) continue;
if (this->filter.roadtype != INVALID_ROADTYPE && !HasPowerOnRoad(e->u.road.roadtype, this->filter.roadtype)) continue;
this->eng_list.push_back(eid);
if (eid == this->sel_engine) sel_id = eid;
}
this->SelectEngine(sel_id);
}
/* Figure out what ship EngineIDs to put in the list */
void GenerateBuildShipList()
{
EngineID sel_id = INVALID_ENGINE;
this->eng_list.clear();
for (const Engine *e : Engine::IterateType(VEH_SHIP)) {
if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
EngineID eid = e->index;
if (!IsEngineBuildable(eid, VEH_SHIP, _local_company)) continue;
this->eng_list.push_back(eid);
if (eid == this->sel_engine) sel_id = eid;
}
this->SelectEngine(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 ? nullptr : 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 */
for (const Engine *e : Engine::IterateType(VEH_AIRCRAFT)) {
if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
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.push_back(eid);
if (eid == this->sel_engine) sel_id = eid;
}
this->SelectEngine(sel_id);
}
/* Generate the list of vehicles */
void GenerateBuildList()
{
if (!this->eng_list.NeedRebuild()) return;
/* Update filter type in case the road/railtype of the depot got converted */
this->UpdateFilterByTile();
switch (this->vehicle_type) {
default: NOT_REACHED();
case VEH_TRAIN:
this->GenerateBuildTrainList();
this->eng_list.shrink_to_fit();
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();
_engine_sort_direction = this->descending_sort_order;
EngList_Sort(&this->eng_list, _engine_sort_functions[this->vehicle_type][this->sort_criteria]);
this->eng_list.shrink_to_fit();
this->eng_list.RebuildDone();
}
void OnClick(Point pt, int widget, int click_count) override
{
switch (widget) {
case WID_BV_SORT_ASCENDING_DESCENDING:
this->descending_sort_order ^= true;
_engine_sort_last_order[this->vehicle_type] = this->descending_sort_order;
this->eng_list.ForceRebuild();
this->SetDirty();
break;
case WID_BV_SHOW_HIDDEN_ENGINES:
this->show_hidden_engines ^= true;
_engine_sort_show_hidden_engines[this->vehicle_type] = this->show_hidden_engines;
this->eng_list.ForceRebuild();
this->SetWidgetLoweredState(widget, this->show_hidden_engines);
this->SetDirty();
break;
case WID_BV_LIST: {
uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BV_LIST);
size_t num_items = this->eng_list.size();
this->SelectEngine((i < num_items) ? this->eng_list[i] : INVALID_ENGINE);
this->SetDirty();
if (_ctrl_pressed) {
this->OnClick(pt, WID_BV_SHOW_HIDE, 1);
} else if (click_count > 1 && !this->listview_mode) {
this->OnClick(pt, WID_BV_BUILD, 1);
}
break;
}
case WID_BV_SORT_DROPDOWN: // Select sorting criteria dropdown menu
DisplayVehicleSortDropDown(this, this->vehicle_type, this->sort_criteria, WID_BV_SORT_DROPDOWN);
break;
case WID_BV_CARGO_FILTER_DROPDOWN: // Select cargo filtering criteria dropdown menu
ShowDropDownMenu(this, this->cargo_filter_texts, this->cargo_filter_criteria, WID_BV_CARGO_FILTER_DROPDOWN, 0, 0);
break;
case WID_BV_SHOW_HIDE: {
const Engine *e = (this->sel_engine == INVALID_ENGINE) ? nullptr : Engine::Get(this->sel_engine);
if (e != nullptr) {
DoCommandP(0, 0, this->sel_engine | (e->IsHidden(_current_company) ? 0 : (1u << 31)), CMD_SET_VEHICLE_VISIBILITY);
}
break;
}
case WID_BV_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;
CargoID cargo = this->cargo_filter[this->cargo_filter_criteria];
if (cargo == CF_ANY) cargo = CF_NONE;
DoCommandP(this->window_number, sel_eng | (cargo << 24), 0, GetCmdBuildVeh(this->vehicle_type), callback);
}
break;
}
case WID_BV_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_CHARS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
}
break;
}
}
}
/**
* Some data on this window has become invalid.
* @param data Information about the changed data.
* @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
*/
void OnInvalidateData(int data = 0, bool gui_scope = true) override
{
if (!gui_scope) return;
/* 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;
_engine_sort_last_criteria[VEH_ROAD] = 0;
}
this->eng_list.ForceRebuild();
}
void SetStringParameters(int widget) const override
{
switch (widget) {
case WID_BV_CAPTION:
if (this->vehicle_type == VEH_TRAIN && !this->listview_mode) {
const RailtypeInfo *rti = GetRailTypeInfo(this->filter.railtype);
SetDParam(0, rti->strings.build_caption);
} else if (this->vehicle_type == VEH_ROAD && !this->listview_mode) {
const RoadTypeInfo *rti = GetRoadTypeInfo(this->filter.roadtype);
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 WID_BV_SORT_DROPDOWN:
SetDParam(0, _engine_sort_listing[this->vehicle_type][this->sort_criteria]);
break;
case WID_BV_CARGO_FILTER_DROPDOWN:
SetDParam(0, this->cargo_filter_texts[this->cargo_filter_criteria]);
break;
case WID_BV_SHOW_HIDE: {
const Engine *e = (this->sel_engine == INVALID_ENGINE) ? nullptr : Engine::Get(this->sel_engine);
if (e != nullptr && e->IsHidden(_local_company)) {
SetDParam(0, STR_BUY_VEHICLE_TRAIN_SHOW_TOGGLE_BUTTON + this->vehicle_type);
} else {
SetDParam(0, STR_BUY_VEHICLE_TRAIN_HIDE_TOGGLE_BUTTON + this->vehicle_type);
}
break;
}
}
}
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
{
switch (widget) {
case WID_BV_LIST:
resize->height = GetEngineListHeight(this->vehicle_type);
size->height = 3 * resize->height;
size->width = std::max(size->width, GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_left + GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_right + 165);
break;
case WID_BV_PANEL:
size->height = this->details_height;
break;
case WID_BV_SORT_ASCENDING_DESCENDING: {
Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
d.width += padding.width + Window::SortButtonWidth() * 2; // Doubled since the string is centred and it also looks better.
d.height += padding.height;
*size = maxdim(*size, d);
break;
}
case WID_BV_BUILD:
*size = GetStringBoundingBox(STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_BUTTON + this->vehicle_type);
*size = maxdim(*size, GetStringBoundingBox(STR_BUY_VEHICLE_TRAIN_BUY_REFIT_VEHICLE_BUTTON + this->vehicle_type));
size->width += padding.width;
size->height += padding.height;
break;
case WID_BV_SHOW_HIDE:
*size = GetStringBoundingBox(STR_BUY_VEHICLE_TRAIN_HIDE_TOGGLE_BUTTON + this->vehicle_type);
*size = maxdim(*size, GetStringBoundingBox(STR_BUY_VEHICLE_TRAIN_SHOW_TOGGLE_BUTTON + this->vehicle_type));
size->width += padding.width;
size->height += padding.height;
break;
}
}
void DrawWidget(const Rect &r, int widget) const override
{
switch (widget) {
case WID_BV_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(),
static_cast<uint16>(std::min<size_t>(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->eng_list.size())),
this->sel_engine,
false,
DEFAULT_GROUP
);
break;
case WID_BV_SORT_ASCENDING_DESCENDING:
this->DrawSortButtonState(WID_BV_SORT_ASCENDING_DESCENDING, this->descending_sort_order ? SBS_DOWN : SBS_UP);
break;
}
}
void OnPaint() override
{
this->GenerateBuildList();
this->vscroll->SetCount((uint)this->eng_list.size());
this->SetWidgetsDisabledState(this->sel_engine == INVALID_ENGINE, WID_BV_SHOW_HIDE, WID_BV_BUILD, WID_BV_RENAME, WIDGET_LIST_END);
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>(WID_BV_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, this->te);
needed_height = std::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;
}
}
}
void OnQueryTextFinished(char *str) override
{
if (str == nullptr) return;
DoCommandP(0, this->rename_engine, 0, CMD_RENAME_ENGINE | CMD_MSG(STR_ERROR_CAN_T_RENAME_TRAIN_TYPE + this->vehicle_type), nullptr, str);
}
void OnDropdownSelect(int widget, int index) override
{
switch (widget) {
case WID_BV_SORT_DROPDOWN:
if (this->sort_criteria != index) {
this->sort_criteria = index;
_engine_sort_last_criteria[this->vehicle_type] = this->sort_criteria;
this->eng_list.ForceRebuild();
}
break;
case WID_BV_CARGO_FILTER_DROPDOWN: // Select a cargo filter criteria
if (this->cargo_filter_criteria != index) {
this->cargo_filter_criteria = index;
_engine_sort_last_cargo_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();
this->SelectEngine(this->sel_engine);
}
break;
}
this->SetDirty();
}
void OnResize() override
{
this->vscroll->SetCapacityFromWidget(this, WID_BV_LIST);
}
};
static WindowDesc _build_vehicle_desc(
WDP_AUTO, "build_vehicle", 240, 268,
WC_BUILD_VEHICLE, WC_NONE,
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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