OpenTTD
engine_gui.cpp
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1 /* $Id: engine_gui.cpp 27893 2017-08-13 18:38:42Z frosch $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * 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.
6  * 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.
7  * 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/>.
8  */
9 
12 #include "stdafx.h"
13 #include "window_gui.h"
14 #include "engine_base.h"
15 #include "command_func.h"
16 #include "strings_func.h"
17 #include "engine_gui.h"
18 #include "articulated_vehicles.h"
19 #include "vehicle_func.h"
20 #include "company_func.h"
21 #include "rail.h"
22 #include "settings_type.h"
23 #include "train.h"
24 #include "roadveh.h"
25 #include "ship.h"
26 #include "aircraft.h"
27 
28 #include "widgets/engine_widget.h"
29 
30 #include "table/strings.h"
31 
32 #include "safeguards.h"
33 
40 {
41  const Engine *e = Engine::Get(engine);
42  switch (e->type) {
43  default: NOT_REACHED();
44  case VEH_ROAD: return STR_ENGINE_PREVIEW_ROAD_VEHICLE;
45  case VEH_AIRCRAFT: return STR_ENGINE_PREVIEW_AIRCRAFT;
46  case VEH_SHIP: return STR_ENGINE_PREVIEW_SHIP;
47  case VEH_TRAIN:
48  return GetRailTypeInfo(e->u.rail.railtype)->strings.new_loco;
49  }
50 }
51 
52 static const NWidgetPart _nested_engine_preview_widgets[] = {
54  NWidget(WWT_CLOSEBOX, COLOUR_LIGHT_BLUE),
55  NWidget(WWT_CAPTION, COLOUR_LIGHT_BLUE), SetDataTip(STR_ENGINE_PREVIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
56  EndContainer(),
57  NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE),
58  NWidget(WWT_EMPTY, INVALID_COLOUR, WID_EP_QUESTION), SetMinimalSize(300, 0), SetPadding(8, 8, 8, 8), SetFill(1, 0),
60  NWidget(WWT_PUSHTXTBTN, COLOUR_LIGHT_BLUE, WID_EP_NO), SetDataTip(STR_QUIT_NO, STR_NULL), SetFill(1, 0),
61  NWidget(WWT_PUSHTXTBTN, COLOUR_LIGHT_BLUE, WID_EP_YES), SetDataTip(STR_QUIT_YES, STR_NULL), SetFill(1, 0),
62  EndContainer(),
64  EndContainer(),
65 };
66 
68  int vehicle_space; // The space to show the vehicle image
69 
71  {
72  this->InitNested(window_number);
73 
74  /* There is no way to recover the window; so disallow closure via DEL; unless SHIFT+DEL */
75  this->flags |= WF_STICKY;
76  }
77 
78  virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
79  {
80  if (widget != WID_EP_QUESTION) return;
81 
82  /* Get size of engine sprite, on loan from depot_gui.cpp */
83  EngineID engine = this->window_number;
84  EngineImageType image_type = EIT_PURCHASE;
85  uint x, y;
86  int x_offs, y_offs;
87 
88  const Engine *e = Engine::Get(engine);
89  switch (e->type) {
90  default: NOT_REACHED();
91  case VEH_TRAIN: GetTrainSpriteSize( engine, x, y, x_offs, y_offs, image_type); break;
92  case VEH_ROAD: GetRoadVehSpriteSize( engine, x, y, x_offs, y_offs, image_type); break;
93  case VEH_SHIP: GetShipSpriteSize( engine, x, y, x_offs, y_offs, image_type); break;
94  case VEH_AIRCRAFT: GetAircraftSpriteSize(engine, x, y, x_offs, y_offs, image_type); break;
95  }
96  this->vehicle_space = max<int>(40, y - y_offs);
97 
98  size->width = max(size->width, x - x_offs);
99  SetDParam(0, GetEngineCategoryName(engine));
100  size->height = GetStringHeight(STR_ENGINE_PREVIEW_MESSAGE, size->width) + WD_PAR_VSEP_WIDE + FONT_HEIGHT_NORMAL + this->vehicle_space;
101  SetDParam(0, engine);
102  size->height += GetStringHeight(GetEngineInfoString(engine), size->width);
103  }
104 
105  virtual void DrawWidget(const Rect &r, int widget) const
106  {
107  if (widget != WID_EP_QUESTION) return;
108 
109  EngineID engine = this->window_number;
110  SetDParam(0, GetEngineCategoryName(engine));
111  int y = r.top + GetStringHeight(STR_ENGINE_PREVIEW_MESSAGE, r.right - r.top + 1);
112  y = DrawStringMultiLine(r.left, r.right, r.top, y, STR_ENGINE_PREVIEW_MESSAGE, TC_FROMSTRING, SA_CENTER) + WD_PAR_VSEP_WIDE;
113 
114  SetDParam(0, engine);
115  DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_ENGINE_NAME, TC_BLACK, SA_HOR_CENTER);
116  y += FONT_HEIGHT_NORMAL;
117 
118  DrawVehicleEngine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, this->width >> 1, y + this->vehicle_space / 2, engine, GetEnginePalette(engine, _local_company), EIT_PREVIEW);
119 
120  y += this->vehicle_space;
121  DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, r.bottom, GetEngineInfoString(engine), TC_FROMSTRING, SA_CENTER);
122  }
123 
124  virtual void OnClick(Point pt, int widget, int click_count)
125  {
126  switch (widget) {
127  case WID_EP_YES:
128  DoCommandP(0, this->window_number, 0, CMD_WANT_ENGINE_PREVIEW);
129  FALLTHROUGH;
130  case WID_EP_NO:
131  if (!_shift_pressed) delete this;
132  break;
133  }
134  }
135 
136  virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
137  {
138  if (!gui_scope) return;
139 
140  EngineID engine = this->window_number;
141  if (Engine::Get(engine)->preview_company != _local_company) delete this;
142  }
143 };
144 
145 static WindowDesc _engine_preview_desc(
146  WDP_CENTER, "engine_preview", 0, 0,
149  _nested_engine_preview_widgets, lengthof(_nested_engine_preview_widgets)
150 );
151 
152 
153 void ShowEnginePreviewWindow(EngineID engine)
154 {
155  AllocateWindowDescFront<EnginePreviewWindow>(&_engine_preview_desc, engine);
156 }
157 
164 {
166  return cap.GetSum<uint>();
167 }
168 
169 static StringID GetTrainEngineInfoString(const Engine *e)
170 {
171  SetDParam(0, e->GetCost());
172  SetDParam(2, e->GetDisplayMaxSpeed());
173  SetDParam(3, e->GetPower());
174  SetDParam(1, e->GetDisplayWeight());
176 
177  SetDParam(4, e->GetRunningCost());
178 
179  uint capacity = GetTotalCapacityOfArticulatedParts(e->index);
180  if (capacity != 0) {
182  SetDParam(6, capacity);
183  } else {
184  SetDParam(5, CT_INVALID);
185  }
186  return (_settings_game.vehicle.train_acceleration_model != AM_ORIGINAL && GetRailTypeInfo(e->u.rail.railtype)->acceleration_type != 2) ? STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE : STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER;
187 }
188 
189 static StringID GetAircraftEngineInfoString(const Engine *e)
190 {
191  CargoID cargo = e->GetDefaultCargoType();
192  uint16 mail_capacity;
193  uint capacity = e->GetDisplayDefaultCapacity(&mail_capacity);
194  uint16 range = e->GetRange();
195 
196  uint i = 0;
197  SetDParam(i++, e->GetCost());
198  SetDParam(i++, e->GetDisplayMaxSpeed());
199  SetDParam(i++, e->GetAircraftTypeText());
200  if (range > 0) SetDParam(i++, range);
201  SetDParam(i++, cargo);
202  SetDParam(i++, capacity);
203 
204  if (mail_capacity > 0) {
205  SetDParam(i++, CT_MAIL);
206  SetDParam(i++, mail_capacity);
207  SetDParam(i++, e->GetRunningCost());
208  return range > 0 ? STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_RANGE_CAP_CAP_RUNCOST : STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_CAP_CAP_RUNCOST;
209  } else {
210  SetDParam(i++, e->GetRunningCost());
211  return range > 0 ? STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_RANGE_CAP_RUNCOST : STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_CAP_RUNCOST;
212  }
213 }
214 
215 static StringID GetRoadVehEngineInfoString(const Engine *e)
216 {
218  SetDParam(0, e->GetCost());
219  SetDParam(1, e->GetDisplayMaxSpeed());
220  uint capacity = GetTotalCapacityOfArticulatedParts(e->index);
221  if (capacity != 0) {
223  SetDParam(3, capacity);
224  } else {
225  SetDParam(2, CT_INVALID);
226  }
227  SetDParam(4, e->GetRunningCost());
228  return STR_ENGINE_PREVIEW_COST_MAX_SPEED_CAP_RUNCOST;
229  } else {
230  SetDParam(0, e->GetCost());
231  SetDParam(2, e->GetDisplayMaxSpeed());
232  SetDParam(3, e->GetPower());
233  SetDParam(1, e->GetDisplayWeight());
235 
236  SetDParam(4, e->GetRunningCost());
237 
238  uint capacity = GetTotalCapacityOfArticulatedParts(e->index);
239  if (capacity != 0) {
241  SetDParam(6, capacity);
242  } else {
243  SetDParam(5, CT_INVALID);
244  }
245  return STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE;
246  }
247 }
248 
249 static StringID GetShipEngineInfoString(const Engine *e)
250 {
251  SetDParam(0, e->GetCost());
252  SetDParam(1, e->GetDisplayMaxSpeed());
255  SetDParam(4, e->GetRunningCost());
256  return STR_ENGINE_PREVIEW_COST_MAX_SPEED_CAP_RUNCOST;
257 }
258 
259 
267 {
268  const Engine *e = Engine::Get(engine);
269 
270  switch (e->type) {
271  case VEH_TRAIN:
272  return GetTrainEngineInfoString(e);
273 
274  case VEH_ROAD:
275  return GetRoadVehEngineInfoString(e);
276 
277  case VEH_SHIP:
278  return GetShipEngineInfoString(e);
279 
280  case VEH_AIRCRAFT:
281  return GetAircraftEngineInfoString(e);
282 
283  default: NOT_REACHED();
284  }
285 }
286 
296 void DrawVehicleEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
297 {
298  const Engine *e = Engine::Get(engine);
299 
300  switch (e->type) {
301  case VEH_TRAIN:
302  DrawTrainEngine(left, right, preferred_x, y, engine, pal, image_type);
303  break;
304 
305  case VEH_ROAD:
306  DrawRoadVehEngine(left, right, preferred_x, y, engine, pal, image_type);
307  break;
308 
309  case VEH_SHIP:
310  DrawShipEngine(left, right, preferred_x, y, engine, pal, image_type);
311  break;
312 
313  case VEH_AIRCRAFT:
314  DrawAircraftEngine(left, right, preferred_x, y, engine, pal, image_type);
315  break;
316 
317  default: NOT_REACHED();
318  }
319 }
320 
327 {
328  uint size = el->Length();
329  /* out-of-bounds access at the next line for size == 0 (even with operator[] at some systems)
330  * generally, do not sort if there are less than 2 items */
331  if (size < 2) return;
332  QSortT(el->Begin(), size, compare);
333 }
334 
342 void EngList_SortPartial(GUIEngineList *el, EngList_SortTypeFunction compare, uint begin, uint num_items)
343 {
344  if (num_items < 2) return;
345  assert(begin < el->Length());
346  assert(begin + num_items <= el->Length());
347  QSortT(el->Get(begin), num_items, compare);
348 }
349 
void DrawVehicleEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
Draw an engine.
Definition: engine_gui.cpp:296
Functions related to OTTD&#39;s strings.
Road vehicle states.
VehicleSettings vehicle
options for vehicles
Empty widget, place holder to reserve space in widget array.
Definition: widget_type.h:48
uint32 PaletteID
The number of the palette.
Definition: gfx_type.h:20
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition: settings.cpp:77
static const RailtypeInfo * GetRailTypeInfo(RailType railtype)
Returns a pointer to the Railtype information for a given railtype.
Definition: rail.h:296
Horizontally center the text.
Definition: gfx_func.h:99
ResizeInfo resize
Resize information.
Definition: window_gui.h:317
StringID GetEngineInfoString(EngineID engine)
Get a multi-line string with some technical data, describing the engine.
Definition: engine_gui.cpp:266
StringID GetEngineCategoryName(EngineID engine)
Return the category of an engine.
Definition: engine_gui.cpp:39
Window(WindowDesc *desc)
Empty constructor, initialization has been moved to InitNested() called from the constructor of the d...
Definition: window.cpp:1843
uint GetDisplayDefaultCapacity(uint16 *mail_capacity=NULL) const
Determines the default cargo capacity of an engine for display purposes.
Definition: engine_base.h:101
High level window description.
Definition: window_gui.h:168
WindowFlags flags
Window flags.
Definition: window_gui.h:305
int left
x position of left edge of the window
Definition: window_gui.h:312
StringID GetAircraftTypeText() const
Get the name of the aircraft type for display purposes.
Definition: engine.cpp:470
static Titem * Get(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:246
Base for the train class.
uint16 GetRange() const
Get the range of an aircraft type.
Definition: engine.cpp:456
Horizontal container.
Definition: widget_type.h:75
CargoArray GetCapacityOfArticulatedParts(EngineID engine)
Get the capacity of the parts of a given engine.
Rail specific functions.
virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
Update size and resize step of a widget in the window.
Definition: engine_gui.cpp:78
Functions related to vehicles.
const T * Begin() const
Get the pointer to the first item (const)
virtual void OnClick(Point pt, int widget, int click_count)
A click with the left mouse button has been made on the window.
Definition: engine_gui.cpp:124
Tindex index
Index of this pool item.
Definition: pool_type.hpp:147
int GetStringHeight(const char *str, int maxw, FontSize fontsize)
Calculates height of string (in pixels).
Definition: gfx.cpp:547
Close box (at top-left of a window)
Definition: widget_type.h:69
Base for aircraft.
virtual void OnInvalidateData(int data=0, bool gui_scope=true)
Some data on this window has become invalid.
Definition: engine_gui.cpp:136
Vehicle drawn in purchase list, autoreplace gui, ...
Definition: vehicle_type.h:92
static T max(const T a, const T b)
Returns the maximum of two values.
Definition: math_func.hpp:26
EngineImageType
Visualisation contexts of vehicles and engines.
Definition: vehicle_type.h:87
struct RailtypeInfo::@39 strings
Strings associated with the rail type.
Window is made sticky by user.
Definition: window_gui.h:240
CargoID GetDefaultCargoType() const
Determines the default cargo type of an engine.
Definition: engine_base.h:81
Large amount of vertical space between two paragraphs of text.
Definition: window_gui.h:140
StringID new_loco
Name of an engine for this type of rail in the engine preview GUI.
Definition: rail.h:170
Functions, definitions and such used only by the GUI.
CompanyByte _local_company
Company controlled by the human player at this client. Can also be COMPANY_SPECTATOR.
Definition: company_cmd.cpp:46
Partial widget specification to allow NWidgets to be written nested.
Definition: widget_type.h:910
Data structure for an opened window.
Definition: window_gui.h:271
static NWidgetPart SetPadding(uint8 top, uint8 right, uint8 bottom, uint8 left)
Widget part function for setting additional space around a widget.
Definition: widget_type.h:1046
void InitNested(WindowNumber number=0)
Perform complete initialization of the Window with nested widgets, to allow use.
Definition: window.cpp:1833
Aircraft vehicle type.
Definition: vehicle_type.h:27
Money GetCost() const
Return how much a new engine costs.
Definition: engine.cpp:321
Engine preview window; Window numbers:
Definition: window_type.h:585
Invisible widget that takes some space.
Definition: widget_type.h:79
uint Length() const
Get the number of items in the list.
This window is used for construction; close it whenever changing company.
Definition: window_gui.h:210
#define FONT_HEIGHT_NORMAL
Height of characters in the normal (FS_NORMAL) font.
Definition: gfx_func.h:180
static NWidgetPart SetDataTip(uint32 data, StringID tip)
Widget part function for setting the data and tooltip.
Definition: widget_type.h:1014
Types related to global configuration settings.
static NWidgetPart SetMinimalSize(int16 x, int16 y)
Widget part function for setting the minimal size.
Definition: widget_type.h:947
Definition of base types and functions in a cross-platform compatible way.
Center both horizontally and vertically.
Definition: gfx_func.h:108
PaletteID GetEnginePalette(EngineID engine_type, CompanyID company)
Get the colour map for an engine.
Definition: vehicle.cpp:1944
void EngList_SortPartial(GUIEngineList *el, EngList_SortTypeFunction compare, uint begin, uint num_items)
Sort selected range of items (on indices @ <begin, begin+num_items-1>)
Definition: engine_gui.cpp:342
A number of safeguards to prevent using unsafe methods.
uint8 acceleration_type
Acceleration type of this rail type.
Definition: rail.h:215
Normal push-button (no toggle button) with text caption.
Definition: widget_type.h:104
Vehicle drawn in preview window, news, ...
Definition: vehicle_type.h:93
Simple depressed panel.
Definition: widget_type.h:50
No button.
Definition: engine_widget.h:18
Engine GUI functions, used by build_vehicle_gui and autoreplace_gui
void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type)
Get the size of the sprite of an aircraft sprite heading west (used for lists).
VehicleType type
Vehicle type, ie VEH_ROAD, VEH_TRAIN, etc.
Definition: engine_base.h:42
Center the window.
Definition: window_gui.h:157
static NWidgetPart NWidget(WidgetType tp, Colours col, int16 idx=-1)
Widget part function for starting a new &#39;real&#39; widget.
Definition: widget_type.h:1114
int DrawString(int left, int right, int top, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
Draw string, possibly truncated to make it fit in its allocated space.
Definition: gfx.cpp:499
Yes button.
Definition: engine_widget.h:19
bool DoCommandP(const CommandContainer *container, bool my_cmd)
Shortcut for the long DoCommandP when having a container with the data.
Definition: command.cpp:527
#define lengthof(x)
Return the length of an fixed size array.
Definition: depend.cpp:42
Road vehicle type.
Definition: vehicle_type.h:25
Invalid cargo type.
Definition: cargo_type.h:70
uint32 StringID
Numeric value that represents a string, independent of the selected language.
Definition: strings_type.h:18
virtual void DrawWidget(const Rect &r, int widget) const
Draw the contents of a nested widget.
Definition: engine_gui.cpp:105
uint GetDisplayMaxSpeed() const
Returns max speed of the engine for display purposes.
Definition: engine.cpp:361
Ship vehicle type.
Definition: vehicle_type.h:26
bool _shift_pressed
Is Shift pressed?
Definition: gfx.cpp:37
No window, redirects to WC_MAIN_WINDOW.
Definition: window_type.h:40
confirm the preview of an engine
Definition: command_type.h:241
uint GetPower() const
Returns the power of the engine for display and sorting purposes.
Definition: engine.cpp:393
Functions related to companies.
Functions related to articulated vehicles.
Class for storing amounts of cargo.
Definition: cargo_type.h:74
Base class for engines.
Window caption (window title between closebox and stickybox)
Definition: widget_type.h:61
uint16 EngineID
Unique identification number of an engine.
Definition: engine_type.h:22
Types related to the engine widgets.
uint GetTotalCapacityOfArticulatedParts(EngineID engine)
Get the capacity of an engine with articulated parts.
Definition: engine_gui.cpp:163
static NWidgetPart EndContainer()
Widget part function for denoting the end of a container (horizontal, vertical, WWT_FRAME, WWT_INSET, or WWT_PANEL).
Definition: widget_type.h:999
The container for the question.
Definition: engine_widget.h:17
void GetRoadVehSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type)
Get the size of the sprite of a road vehicle sprite heading west (used for lists).
void EngList_Sort(GUIEngineList *el, EngList_SortTypeFunction compare)
Sort all items using quick sort and given &#39;CompareItems&#39; function.
Definition: engine_gui.cpp:326
Functions related to commands.
Coordinates of a point in 2D.
uint8 train_acceleration_model
realistic acceleration for trains
Base for ships.
void DrawRoadVehEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
Draw a road vehicle engine.
uint8 roadveh_acceleration_model
realistic acceleration for road vehicles
Offset at right to draw the frame rectangular area.
Definition: window_gui.h:63
Money GetRunningCost() const
Return how much the running costs of this engine are.
Definition: engine.cpp:284
static NWidgetPart SetFill(uint fill_x, uint fill_y)
Widget part function for setting filling.
Definition: widget_type.h:983
const T * Get(uint index) const
Get the pointer to item "number" (const)
int32 WindowNumber
Number to differentiate different windows of the same class.
Definition: window_type.h:695
Specification of a rectangle with absolute coordinates of all edges.
int CDECL EngList_SortTypeFunction(const EngineID *, const EngineID *)
argument type for EngList_Sort.
Definition: engine_gui.h:22
byte CargoID
Cargo slots to indicate a cargo type within a game.
Definition: cargo_type.h:22
void GetShipSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type)
Get the size of the sprite of a ship sprite heading west (used for lists).
Definition: ship_cmd.cpp:113
WindowNumber window_number
Window number within the window class.
Definition: window_gui.h:307
uint GetDisplayWeight() const
Returns the weight of the engine for display purposes.
Definition: engine.cpp:411
static void QSortT(T *base, uint num, int(CDECL *comparator)(const T *, const T *), bool desc=false)
Type safe qsort()
Definition: sort_func.hpp:28
uint GetDisplayMaxTractiveEffort() const
Returns the tractive effort of the engine for display purposes.
Definition: engine.cpp:429
void GetTrainSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type)
Get the size of the sprite of a train sprite heading west, or both heads (used for lists)...
Definition: train_cmd.cpp:572
Dimensions (a width and height) of a rectangle in 2D.
Value of the NCB_EQUALSIZE flag.
Definition: widget_type.h:429
Offset at left to draw the frame rectangular area.
Definition: window_gui.h:62
static NWidgetPart SetPIP(uint8 pre, uint8 inter, uint8 post)
Widget part function for setting a pre/inter/post spaces.
Definition: widget_type.h:1076
const T GetSum() const
Get the sum of all cargo amounts.
Definition: cargo_type.h:114
int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour, StringAlignment align, bool underline, FontSize fontsize)
Draw string, possibly over multiple lines.
Definition: gfx.cpp:620
Train vehicle type.
Definition: vehicle_type.h:24
static void SetDParam(uint n, uint64 v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings_func.h:201