OpenTTD: src/build_vehicle_gui.cpp Source File

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build_vehicle_gui.cpp
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1 /* $Id: build_vehicle_gui.cpp 27799 2017-03-18 20:46:15Z alberth $ */
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 "engine_base.h"
14 #include "engine_func.h"
15 #include "station_base.h"
16 #include "network/network.h"
17 #include "articulated_vehicles.h"
18 #include "textbuf_gui.h"
19 #include "command_func.h"
20 #include "company_func.h"
21 #include "vehicle_gui.h"
22 #include "newgrf_engine.h"
23 #include "newgrf_text.h"
24 #include "group.h"
25 #include "string_func.h"
26 #include "strings_func.h"
27 #include "window_func.h"
28 #include "date_func.h"
29 #include "vehicle_func.h"
30 #include "widgets/dropdown_func.h"
31 #include "engine_gui.h"
32 #include "cargotype.h"
33 #include "core/geometry_func.hpp"
34 #include "autoreplace_func.h"
35
36 #include "widgets/build_vehicle_widget.h"
37
38 #include "table/strings.h"
39
40 #include "safeguards.h"
41
47 uint GetEngineListHeight(VehicleType type)
48 {
49 return max<uint>(FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM, GetVehicleImageCellSize(type, EIT_PURCHASE).height);
50 }
51
52 static const NWidgetPart _nested_build_vehicle_widgets[] = {
53 NWidget(NWID_HORIZONTAL),
54 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
55 NWidget(WWT_CAPTION, COLOUR_GREY, WID_BV_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
56 NWidget(WWT_SHADEBOX, COLOUR_GREY),
57 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
58 NWidget(WWT_STICKYBOX, COLOUR_GREY),
59 EndContainer(),
60 NWidget(WWT_PANEL, COLOUR_GREY),
61 NWidget(NWID_VERTICAL),
62 NWidget(NWID_HORIZONTAL),
63 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_SORT_ASCENDING_DESCENDING), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
64 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_BV_SORT_DROPDOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
65 EndContainer(),
66 NWidget(NWID_HORIZONTAL),
67 NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BV_SHOW_HIDDEN_ENGINES),
68 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_BV_CARGO_FILTER_DROPDOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_FILTER_CRITERIA),
69 EndContainer(),
70 EndContainer(),
71 EndContainer(),
72 /* Vehicle list. */
73 NWidget(NWID_HORIZONTAL),
74 NWidget(WWT_MATRIX, COLOUR_GREY, WID_BV_LIST), SetResize(1, 1), SetFill(1, 0), SetMatrixDataTip(1, 0, STR_NULL), SetScrollbar(WID_BV_SCROLLBAR),
75 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BV_SCROLLBAR),
76 EndContainer(),
77 /* Panel with details. */
78 NWidget(WWT_PANEL, COLOUR_GREY, WID_BV_PANEL), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
79 /* Build/rename buttons, resize button. */
80 NWidget(NWID_HORIZONTAL),
81 NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BV_BUILD_SEL),
82 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_BUILD), SetResize(1, 0), SetFill(1, 0),
83 EndContainer(),
84 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_SHOW_HIDE), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_JUST_STRING, STR_NULL),
85 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_BV_RENAME), SetResize(1, 0), SetFill(1, 0),
86 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
87 EndContainer(),
88 };
89
91 static const CargoID CF_ANY = CT_NO_REFIT;
92 static const CargoID CF_NONE = CT_INVALID;
93
94 bool _engine_sort_direction;
95 byte _engine_sort_last_criteria[] = {0, 0, 0, 0};
96 bool _engine_sort_last_order[] = {false, false, false, false};
97 bool _engine_sort_show_hidden_engines[] = {false, false, false, false};
98 static CargoID _engine_sort_last_cargo_criteria[] = {CF_ANY, CF_ANY, CF_ANY, CF_ANY};
99
106 static int CDECL EngineNumberSorter(const EngineID *a, const EngineID *b)
107 {
108 int r = Engine::Get(*a)->list_position - Engine::Get(*b)->list_position;
109
110 return _engine_sort_direction ? -r : r;
111 }
112
119 static int CDECL EngineIntroDateSorter(const EngineID *a, const EngineID *b)
120 {
121 const int va = Engine::Get(*a)->intro_date;
122 const int vb = Engine::Get(*b)->intro_date;
123 const int r = va - vb;
124
125 /* Use EngineID to sort instead since we want consistent sorting */
126 if (r == 0) return EngineNumberSorter(a, b);
127 return _engine_sort_direction ? -r : r;
128 }
129
136 static int CDECL EngineNameSorter(const EngineID *a, const EngineID *b)
137 {
138 static EngineID last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };
139 static char last_name[2][64] = { "\0", "\0" };
140
141 const EngineID va = *a;
142 const EngineID vb = *b;
143
144 if (va != last_engine[0]) {
145 last_engine[0] = va;
146 SetDParam(0, va);
147 GetString(last_name[0], STR_ENGINE_NAME, lastof(last_name[0]));
148 }
149
150 if (vb != last_engine[1]) {
151 last_engine[1] = vb;
152 SetDParam(0, vb);
153 GetString(last_name[1], STR_ENGINE_NAME, lastof(last_name[1]));
154 }
155
156 int r = strnatcmp(last_name[0], last_name[1]); // Sort by name (natural sorting).
157
158 /* Use EngineID to sort instead since we want consistent sorting */
159 if (r == 0) return EngineNumberSorter(a, b);
160 return _engine_sort_direction ? -r : r;
161 }
162
169 static int CDECL EngineReliabilitySorter(const EngineID *a, const EngineID *b)
170 {
171 const int va = Engine::Get(*a)->reliability;
172 const int vb = Engine::Get(*b)->reliability;
173 const int r = va - vb;
174
175 /* Use EngineID to sort instead since we want consistent sorting */
176 if (r == 0) return EngineNumberSorter(a, b);
177 return _engine_sort_direction ? -r : r;
178 }
179
186 static int CDECL EngineCostSorter(const EngineID *a, const EngineID *b)
187 {
188 Money va = Engine::Get(*a)->GetCost();
189 Money vb = Engine::Get(*b)->GetCost();
190 int r = ClampToI32(va - vb);
191
192 /* Use EngineID to sort instead since we want consistent sorting */
193 if (r == 0) return EngineNumberSorter(a, b);
194 return _engine_sort_direction ? -r : r;
195 }
196
203 static int CDECL EngineSpeedSorter(const EngineID *a, const EngineID *b)
204 {
205 int va = Engine::Get(*a)->GetDisplayMaxSpeed();
206 int vb = Engine::Get(*b)->GetDisplayMaxSpeed();
207 int r = va - vb;
208
209 /* Use EngineID to sort instead since we want consistent sorting */
210 if (r == 0) return EngineNumberSorter(a, b);
211 return _engine_sort_direction ? -r : r;
212 }
213
220 static int CDECL EnginePowerSorter(const EngineID *a, const EngineID *b)
221 {
222 int va = Engine::Get(*a)->GetPower();
223 int vb = Engine::Get(*b)->GetPower();
224 int r = va - vb;
225
226 /* Use EngineID to sort instead since we want consistent sorting */
227 if (r == 0) return EngineNumberSorter(a, b);
228 return _engine_sort_direction ? -r : r;
229 }
230
237 static int CDECL EngineTractiveEffortSorter(const EngineID *a, const EngineID *b)
238 {
239 int va = Engine::Get(*a)->GetDisplayMaxTractiveEffort();
240 int vb = Engine::Get(*b)->GetDisplayMaxTractiveEffort();
241 int r = va - vb;
242
243 /* Use EngineID to sort instead since we want consistent sorting */
244 if (r == 0) return EngineNumberSorter(a, b);
245 return _engine_sort_direction ? -r : r;
246 }
247
254 static int CDECL EngineRunningCostSorter(const EngineID *a, const EngineID *b)
255 {
256 Money va = Engine::Get(*a)->GetRunningCost();
257 Money vb = Engine::Get(*b)->GetRunningCost();
258 int r = ClampToI32(va - vb);
259
260 /* Use EngineID to sort instead since we want consistent sorting */
261 if (r == 0) return EngineNumberSorter(a, b);
262 return _engine_sort_direction ? -r : r;
263 }
264
271 static int CDECL EnginePowerVsRunningCostSorter(const EngineID *a, const EngineID *b)
272 {
273 const Engine *e_a = Engine::Get(*a);
274 const Engine *e_b = Engine::Get(*b);
275
276 /* Here we are using a few tricks to get the right sort.
277 * We want power/running cost, but since we usually got higher running cost than power and we store the result in an int,
278 * we will actually calculate cunning cost/power (to make it more than 1).
279 * Because of this, the return value have to be reversed as well and we return b - a instead of a - b.
280 * Another thing is that both power and running costs should be doubled for multiheaded engines.
281 * Since it would be multiplying with 2 in both numerator and denominator, it will even themselves out and we skip checking for multiheaded. */
282 Money va = (e_a->GetRunningCost()) / max(1U, (uint)e_a->GetPower());
283 Money vb = (e_b->GetRunningCost()) / max(1U, (uint)e_b->GetPower());
284 int r = ClampToI32(vb - va);
285
286 /* Use EngineID to sort instead since we want consistent sorting */
287 if (r == 0) return EngineNumberSorter(a, b);
288 return _engine_sort_direction ? -r : r;
289 }
290
291 /* Train sorting functions */
292
299 static int CDECL TrainEngineCapacitySorter(const EngineID *a, const EngineID *b)
300 {
301 const RailVehicleInfo *rvi_a = RailVehInfo(*a);
302 const RailVehicleInfo *rvi_b = RailVehInfo(*b);
303
304 int va = GetTotalCapacityOfArticulatedParts(*a) * (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
305 int vb = GetTotalCapacityOfArticulatedParts(*b) * (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
306 int r = va - vb;
307
308 /* Use EngineID to sort instead since we want consistent sorting */
309 if (r == 0) return EngineNumberSorter(a, b);
310 return _engine_sort_direction ? -r : r;
311 }
312
319 static int CDECL TrainEnginesThenWagonsSorter(const EngineID *a, const EngineID *b)
320 {
321 int val_a = (RailVehInfo(*a)->railveh_type == RAILVEH_WAGON ? 1 : 0);
322 int val_b = (RailVehInfo(*b)->railveh_type == RAILVEH_WAGON ? 1 : 0);
323 int r = val_a - val_b;
324
325 /* Use EngineID to sort instead since we want consistent sorting */
326 if (r == 0) return EngineNumberSorter(a, b);
327 return _engine_sort_direction ? -r : r;
328 }
329
330 /* Road vehicle sorting functions */
331
338 static int CDECL RoadVehEngineCapacitySorter(const EngineID *a, const EngineID *b)
339 {
340 int va = GetTotalCapacityOfArticulatedParts(*a);
341 int vb = GetTotalCapacityOfArticulatedParts(*b);
342 int r = va - vb;
343
344 /* Use EngineID to sort instead since we want consistent sorting */
345 if (r == 0) return EngineNumberSorter(a, b);
346 return _engine_sort_direction ? -r : r;
347 }
348
349 /* Ship vehicle sorting functions */
350
357 static int CDECL ShipEngineCapacitySorter(const EngineID *a, const EngineID *b)
358 {
359 const Engine *e_a = Engine::Get(*a);
360 const Engine *e_b = Engine::Get(*b);
361
362 int va = e_a->GetDisplayDefaultCapacity();
363 int vb = e_b->GetDisplayDefaultCapacity();
364 int r = va - vb;
365
366 /* Use EngineID to sort instead since we want consistent sorting */
367 if (r == 0) return EngineNumberSorter(a, b);
368 return _engine_sort_direction ? -r : r;
369 }
370
371 /* Aircraft sorting functions */
372
379 static int CDECL AircraftEngineCargoSorter(const EngineID *a, const EngineID *b)
380 {
381 const Engine *e_a = Engine::Get(*a);
382 const Engine *e_b = Engine::Get(*b);
383
384 uint16 mail_a, mail_b;
385 int va = e_a->GetDisplayDefaultCapacity(&mail_a);
386 int vb = e_b->GetDisplayDefaultCapacity(&mail_b);
387 int r = va - vb;
388
389 if (r == 0) {
390 /* The planes have the same passenger capacity. Check mail capacity instead */
391 r = mail_a - mail_b;
392
393 if (r == 0) {
394 /* Use EngineID to sort instead since we want consistent sorting */
395 return EngineNumberSorter(a, b);
396 }
397 }
398 return _engine_sort_direction ? -r : r;
399 }
400
407 static int CDECL AircraftRangeSorter(const EngineID *a, const EngineID *b)
408 {
409 uint16 r_a = Engine::Get(*a)->GetRange();
410 uint16 r_b = Engine::Get(*b)->GetRange();
411
412 int r = r_a - r_b;
413
414 /* Use EngineID to sort instead since we want consistent sorting */
415 if (r == 0) return EngineNumberSorter(a, b);
416 return _engine_sort_direction ? -r : r;
417 }
418
420 EngList_SortTypeFunction * const _engine_sort_functions[][11] = {{
421 /* Trains */
422 &EngineNumberSorter,
423 &EngineCostSorter,
424 &EngineSpeedSorter,
425 &EnginePowerSorter,
426 &EngineTractiveEffortSorter,
427 &EngineIntroDateSorter,
428 &EngineNameSorter,
429 &EngineRunningCostSorter,
430 &EnginePowerVsRunningCostSorter,
431 &EngineReliabilitySorter,
432 &TrainEngineCapacitySorter,
433 }, {
434 /* Road vehicles */
435 &EngineNumberSorter,
436 &EngineCostSorter,
437 &EngineSpeedSorter,
438 &EnginePowerSorter,
439 &EngineTractiveEffortSorter,
440 &EngineIntroDateSorter,
441 &EngineNameSorter,
442 &EngineRunningCostSorter,
443 &EnginePowerVsRunningCostSorter,
444 &EngineReliabilitySorter,
445 &RoadVehEngineCapacitySorter,
446 }, {
447 /* Ships */
448 &EngineNumberSorter,
449 &EngineCostSorter,
450 &EngineSpeedSorter,
451 &EngineIntroDateSorter,
452 &EngineNameSorter,
453 &EngineRunningCostSorter,
454 &EngineReliabilitySorter,
455 &ShipEngineCapacitySorter,
456 }, {
457 /* Aircraft */
458 &EngineNumberSorter,
459 &EngineCostSorter,
460 &EngineSpeedSorter,
461 &EngineIntroDateSorter,
462 &EngineNameSorter,
463 &EngineRunningCostSorter,
464 &EngineReliabilitySorter,
465 &AircraftEngineCargoSorter,
466 &AircraftRangeSorter,
467 }};
468
470 const StringID _engine_sort_listing[][12] = {{
471 /* Trains */
472 STR_SORT_BY_ENGINE_ID,
473 STR_SORT_BY_COST,
474 STR_SORT_BY_MAX_SPEED,
475 STR_SORT_BY_POWER,
476 STR_SORT_BY_TRACTIVE_EFFORT,
477 STR_SORT_BY_INTRO_DATE,
478 STR_SORT_BY_NAME,
479 STR_SORT_BY_RUNNING_COST,
480 STR_SORT_BY_POWER_VS_RUNNING_COST,
481 STR_SORT_BY_RELIABILITY,
482 STR_SORT_BY_CARGO_CAPACITY,
483 INVALID_STRING_ID
484 }, {
485 /* Road vehicles */
486 STR_SORT_BY_ENGINE_ID,
487 STR_SORT_BY_COST,
488 STR_SORT_BY_MAX_SPEED,
489 STR_SORT_BY_POWER,
490 STR_SORT_BY_TRACTIVE_EFFORT,
491 STR_SORT_BY_INTRO_DATE,
492 STR_SORT_BY_NAME,
493 STR_SORT_BY_RUNNING_COST,
494 STR_SORT_BY_POWER_VS_RUNNING_COST,
495 STR_SORT_BY_RELIABILITY,
496 STR_SORT_BY_CARGO_CAPACITY,
497 INVALID_STRING_ID
498 }, {
499 /* Ships */
500 STR_SORT_BY_ENGINE_ID,
501 STR_SORT_BY_COST,
502 STR_SORT_BY_MAX_SPEED,
503 STR_SORT_BY_INTRO_DATE,
504 STR_SORT_BY_NAME,
505 STR_SORT_BY_RUNNING_COST,
506 STR_SORT_BY_RELIABILITY,
507 STR_SORT_BY_CARGO_CAPACITY,
508 INVALID_STRING_ID
509 }, {
510 /* Aircraft */
511 STR_SORT_BY_ENGINE_ID,
512 STR_SORT_BY_COST,
513 STR_SORT_BY_MAX_SPEED,
514 STR_SORT_BY_INTRO_DATE,
515 STR_SORT_BY_NAME,
516 STR_SORT_BY_RUNNING_COST,
517 STR_SORT_BY_RELIABILITY,
518 STR_SORT_BY_CARGO_CAPACITY,
519 STR_SORT_BY_RANGE,
520 INVALID_STRING_ID
521 }};
522
524 static bool CDECL CargoFilter(const EngineID *eid, const CargoID cid)
525 {
526 if (cid == CF_ANY) return true;
527 uint32 refit_mask = GetUnionOfArticulatedRefitMasks(*eid, true) & _standard_cargo_mask;
528 return (cid == CF_NONE ? refit_mask == 0 : HasBit(refit_mask, cid));
529 }
530
531 static GUIEngineList::FilterFunction * const _filter_funcs[] = {
532 &CargoFilter,
533 };
534
535 static int DrawCargoCapacityInfo(int left, int right, int y, EngineID engine)
536 {
537 CargoArray cap;
538 uint32 refits;
539 GetArticulatedVehicleCargoesAndRefits(engine, &cap, &refits);
540
541 for (CargoID c = 0; c < NUM_CARGO; c++) {
542 if (cap[c] == 0) continue;
543
544 SetDParam(0, c);
545 SetDParam(1, cap[c]);
546 SetDParam(2, HasBit(refits, c) ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
547 DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
548 y += FONT_HEIGHT_NORMAL;
549 }
550
551 return y;
552 }
553
554 /* Draw rail wagon specific details */
555 static int DrawRailWagonPurchaseInfo(int left, int right, int y, EngineID engine_number, const RailVehicleInfo *rvi)
556 {
557 const Engine *e = Engine::Get(engine_number);
558
559 /* Purchase cost */
560 SetDParam(0, e->GetCost());
561 DrawString(left, right, y, STR_PURCHASE_INFO_COST);
562 y += FONT_HEIGHT_NORMAL;
563
564 /* Wagon weight - (including cargo) */
565 uint weight = e->GetDisplayWeight();
566 SetDParam(0, weight);
567 uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(e->GetDefaultCargoType())->weight * GetTotalCapacityOfArticulatedParts(engine_number) / 16 : 0);
568 SetDParam(1, cargo_weight + weight);
569 DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
570 y += FONT_HEIGHT_NORMAL;
571
572 /* Wagon speed limit, displayed if above zero */
573 if (_settings_game.vehicle.wagon_speed_limits) {
574 uint max_speed = e->GetDisplayMaxSpeed();
575 if (max_speed > 0) {
576 SetDParam(0, max_speed);
577 DrawString(left, right, y, STR_PURCHASE_INFO_SPEED);
578 y += FONT_HEIGHT_NORMAL;
579 }
580 }
581
582 /* Running cost */
583 if (rvi->running_cost_class != INVALID_PRICE) {
584 SetDParam(0, e->GetRunningCost());
585 DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
586 y += FONT_HEIGHT_NORMAL;
587 }
588
589 return y;
590 }
591
592 /* Draw locomotive specific details */
593 static int DrawRailEnginePurchaseInfo(int left, int right, int y, EngineID engine_number, const RailVehicleInfo *rvi)
594 {
595 const Engine *e = Engine::Get(engine_number);
596
597 /* Purchase Cost - Engine weight */
598 SetDParam(0, e->GetCost());
599 SetDParam(1, e->GetDisplayWeight());
600 DrawString(left, right, y, STR_PURCHASE_INFO_COST_WEIGHT);
601 y += FONT_HEIGHT_NORMAL;
602
603 /* Max speed - Engine power */
604 SetDParam(0, e->GetDisplayMaxSpeed());
605 SetDParam(1, e->GetPower());
606 DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_POWER);
607 y += FONT_HEIGHT_NORMAL;
608
609 /* Max tractive effort - not applicable if old acceleration or maglev */
610 if (_settings_game.vehicle.train_acceleration_model != AM_ORIGINAL && GetRailTypeInfo(rvi->railtype)->acceleration_type != 2) {
611 SetDParam(0, e->GetDisplayMaxTractiveEffort());
612 DrawString(left, right, y, STR_PURCHASE_INFO_MAX_TE);
613 y += FONT_HEIGHT_NORMAL;
614 }
615
616 /* Running cost */
617 if (rvi->running_cost_class != INVALID_PRICE) {
618 SetDParam(0, e->GetRunningCost());
619 DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
620 y += FONT_HEIGHT_NORMAL;
621 }
622
623 /* Powered wagons power - Powered wagons extra weight */
624 if (rvi->pow_wag_power != 0) {
625 SetDParam(0, rvi->pow_wag_power);
626 SetDParam(1, rvi->pow_wag_weight);
627 DrawString(left, right, y, STR_PURCHASE_INFO_PWAGPOWER_PWAGWEIGHT);
628 y += FONT_HEIGHT_NORMAL;
629 }
630
631 return y;
632 }
633
634 /* Draw road vehicle specific details */
635 static int DrawRoadVehPurchaseInfo(int left, int right, int y, EngineID engine_number)
636 {
637 const Engine *e = Engine::Get(engine_number);
638
639 if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
640 /* Purchase Cost */
641 SetDParam(0, e->GetCost());
642 DrawString(left, right, y, STR_PURCHASE_INFO_COST);
643 y += FONT_HEIGHT_NORMAL;
644
645 /* Road vehicle weight - (including cargo) */
646 int16 weight = e->GetDisplayWeight();
647 SetDParam(0, weight);
648 uint cargo_weight = (e->CanCarryCargo() ? CargoSpec::Get(e->GetDefaultCargoType())->weight * GetTotalCapacityOfArticulatedParts(engine_number) / 16 : 0);
649 SetDParam(1, cargo_weight + weight);
650 DrawString(left, right, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT);
651 y += FONT_HEIGHT_NORMAL;
652
653 /* Max speed - Engine power */
654 SetDParam(0, e->GetDisplayMaxSpeed());
655 SetDParam(1, e->GetPower());
656 DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_POWER);
657 y += FONT_HEIGHT_NORMAL;
658
659 /* Max tractive effort */
660 SetDParam(0, e->GetDisplayMaxTractiveEffort());
661 DrawString(left, right, y, STR_PURCHASE_INFO_MAX_TE);
662 y += FONT_HEIGHT_NORMAL;
663 } else {
664 /* Purchase cost - Max speed */
665 SetDParam(0, e->GetCost());
666 SetDParam(1, e->GetDisplayMaxSpeed());
667 DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
668 y += FONT_HEIGHT_NORMAL;
669 }
670
671 /* Running cost */
672 SetDParam(0, e->GetRunningCost());
673 DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
674 y += FONT_HEIGHT_NORMAL;
675
676 return y;
677 }
678
679 /* Draw ship specific details */
680 static int DrawShipPurchaseInfo(int left, int right, int y, EngineID engine_number, bool refittable)
681 {
682 const Engine *e = Engine::Get(engine_number);
683
684 /* Purchase cost - Max speed */
685 uint raw_speed = e->GetDisplayMaxSpeed();
686 uint ocean_speed = e->u.ship.ApplyWaterClassSpeedFrac(raw_speed, true);
687 uint canal_speed = e->u.ship.ApplyWaterClassSpeedFrac(raw_speed, false);
688
689 SetDParam(0, e->GetCost());
690 if (ocean_speed == canal_speed) {
691 SetDParam(1, ocean_speed);
692 DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
693 y += FONT_HEIGHT_NORMAL;
694 } else {
695 DrawString(left, right, y, STR_PURCHASE_INFO_COST);
696 y += FONT_HEIGHT_NORMAL;
697
698 SetDParam(0, ocean_speed);
699 DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_OCEAN);
700 y += FONT_HEIGHT_NORMAL;
701
702 SetDParam(0, canal_speed);
703 DrawString(left, right, y, STR_PURCHASE_INFO_SPEED_CANAL);
704 y += FONT_HEIGHT_NORMAL;
705 }
706
707 /* Cargo type + capacity */
708 SetDParam(0, e->GetDefaultCargoType());
709 SetDParam(1, e->GetDisplayDefaultCapacity());
710 SetDParam(2, refittable ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
711 DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
712 y += FONT_HEIGHT_NORMAL;
713
714 /* Running cost */
715 SetDParam(0, e->GetRunningCost());
716 DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
717 y += FONT_HEIGHT_NORMAL;
718
719 return y;
720 }
721
731 static int DrawAircraftPurchaseInfo(int left, int right, int y, EngineID engine_number, bool refittable)
732 {
733 const Engine *e = Engine::Get(engine_number);
734 CargoID cargo = e->GetDefaultCargoType();
735
736 /* Purchase cost - Max speed */
737 SetDParam(0, e->GetCost());
738 SetDParam(1, e->GetDisplayMaxSpeed());
739 DrawString(left, right, y, STR_PURCHASE_INFO_COST_SPEED);
740 y += FONT_HEIGHT_NORMAL;
741
742 /* Cargo capacity */
743 uint16 mail_capacity;
744 uint capacity = e->GetDisplayDefaultCapacity(&mail_capacity);
745 if (mail_capacity > 0) {
746 SetDParam(0, cargo);
747 SetDParam(1, capacity);
748 SetDParam(2, CT_MAIL);
749 SetDParam(3, mail_capacity);
750 DrawString(left, right, y, STR_PURCHASE_INFO_AIRCRAFT_CAPACITY);
751 } else {
752 /* Note, if the default capacity is selected by the refit capacity
753 * callback, then the capacity shown is likely to be incorrect. */
754 SetDParam(0, cargo);
755 SetDParam(1, capacity);
756 SetDParam(2, refittable ? STR_PURCHASE_INFO_REFITTABLE : STR_EMPTY);
757 DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
758 }
759 y += FONT_HEIGHT_NORMAL;
760
761 /* Running cost */
762 SetDParam(0, e->GetRunningCost());
763 DrawString(left, right, y, STR_PURCHASE_INFO_RUNNINGCOST);
764 y += FONT_HEIGHT_NORMAL;
765
766 /* Aircraft type */
767 SetDParam(0, e->GetAircraftTypeText());
768 DrawString(left, right, y, STR_PURCHASE_INFO_AIRCRAFT_TYPE);
769 y += FONT_HEIGHT_NORMAL;
770
771 /* Aircraft range, if available. */
772 uint16 range = e->GetRange();
773 if (range != 0) {
774 SetDParam(0, range);
775 DrawString(left, right, y, STR_PURCHASE_INFO_AIRCRAFT_RANGE);
776 y += FONT_HEIGHT_NORMAL;
777 }
778
779 return y;
780 }
781
790 static uint ShowAdditionalText(int left, int right, int y, EngineID engine)
791 {
792 uint16 callback = GetVehicleCallback(CBID_VEHICLE_ADDITIONAL_TEXT, 0, 0, engine, NULL);
793 if (callback == CALLBACK_FAILED || callback == 0x400) return y;
794 const GRFFile *grffile = Engine::Get(engine)->GetGRF();
795 if (callback > 0x400) {
796 ErrorUnknownCallbackResult(grffile->grfid, CBID_VEHICLE_ADDITIONAL_TEXT, callback);
797 return y;
798 }
799
800 StartTextRefStackUsage(grffile, 6);
801 uint result = DrawStringMultiLine(left, right, y, INT32_MAX, GetGRFStringID(grffile->grfid, 0xD000 + callback), TC_BLACK);
802 StopTextRefStackUsage();
803 return result;
804 }
805
812 int DrawVehiclePurchaseInfo(int left, int right, int y, EngineID engine_number)
813 {
814 const Engine *e = Engine::Get(engine_number);
815 YearMonthDay ymd;
816 ConvertDateToYMD(e->intro_date, &ymd);
817 bool refittable = IsArticulatedVehicleRefittable(engine_number);
818 bool articulated_cargo = false;
819
820 switch (e->type) {
821 default: NOT_REACHED();
822 case VEH_TRAIN:
823 if (e->u.rail.railveh_type == RAILVEH_WAGON) {
824 y = DrawRailWagonPurchaseInfo(left, right, y, engine_number, &e->u.rail);
825 } else {
826 y = DrawRailEnginePurchaseInfo(left, right, y, engine_number, &e->u.rail);
827 }
828 articulated_cargo = true;
829 break;
830
831 case VEH_ROAD:
832 y = DrawRoadVehPurchaseInfo(left, right, y, engine_number);
833 articulated_cargo = true;
834 break;
835
836 case VEH_SHIP:
837 y = DrawShipPurchaseInfo(left, right, y, engine_number, refittable);
838 break;
839
840 case VEH_AIRCRAFT:
841 y = DrawAircraftPurchaseInfo(left, right, y, engine_number, refittable);
842 break;
843 }
844
845 if (articulated_cargo) {
846 /* Cargo type + capacity, or N/A */
847 int new_y = DrawCargoCapacityInfo(left, right, y, engine_number);
848
849 if (new_y == y) {
850 SetDParam(0, CT_INVALID);
851 SetDParam(2, STR_EMPTY);
852 DrawString(left, right, y, STR_PURCHASE_INFO_CAPACITY);
853 y += FONT_HEIGHT_NORMAL;
854 } else {
855 y = new_y;
856 }
857 }
858
859 /* Draw details that apply to all types except rail wagons. */
860 if (e->type != VEH_TRAIN || e->u.rail.railveh_type != RAILVEH_WAGON) {
861 /* Design date - Life length */
862 SetDParam(0, ymd.year);
863 SetDParam(1, e->GetLifeLengthInDays() / DAYS_IN_LEAP_YEAR);
864 DrawString(left, right, y, STR_PURCHASE_INFO_DESIGNED_LIFE);
865 y += FONT_HEIGHT_NORMAL;
866
867 /* Reliability */
868 SetDParam(0, ToPercent16(e->reliability));
869 DrawString(left, right, y, STR_PURCHASE_INFO_RELIABILITY);
870 y += FONT_HEIGHT_NORMAL;
871 }
872
873 if (refittable) y = ShowRefitOptionsList(left, right, y, engine_number);
874
875 /* Additional text from NewGRF */
876 y = ShowAdditionalText(left, right, y, engine_number);
877
878 return y;
879 }
880
894 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)
895 {
896 static const int sprite_y_offsets[] = { -1, -1, -2, -2 };
897
898 /* Obligatory sanity checks! */
899 assert(max <= eng_list->Length());
900
901 bool rtl = _current_text_dir == TD_RTL;
902 int step_size = GetEngineListHeight(type);
903 int sprite_left = GetVehicleImageCellSize(type, EIT_PURCHASE).extend_left;
904 int sprite_right = GetVehicleImageCellSize(type, EIT_PURCHASE).extend_right;
905 int sprite_width = sprite_left + sprite_right;
906
907 int sprite_x = rtl ? r - sprite_right - 1 : l + sprite_left + 1;
908 int sprite_y_offset = sprite_y_offsets[type] + step_size / 2;
909
910 Dimension replace_icon = {0, 0};
911 int count_width = 0;
912 if (show_count) {
913 replace_icon = GetSpriteSize(SPR_GROUP_REPLACE_ACTIVE);
914 SetDParamMaxDigits(0, 3, FS_SMALL);
915 count_width = GetStringBoundingBox(STR_TINY_BLACK_COMA).width;
916 }
917
918 int text_left = l + (rtl ? WD_FRAMERECT_LEFT + replace_icon.width + 8 + count_width : sprite_width + WD_FRAMETEXT_LEFT);
919 int text_right = r - (rtl ? sprite_width + WD_FRAMETEXT_RIGHT : WD_FRAMERECT_RIGHT + replace_icon.width + 8 + count_width);
920 int replace_icon_left = rtl ? l + WD_FRAMERECT_LEFT : r - WD_FRAMERECT_RIGHT - replace_icon.width;
921 int count_left = l;
922 int count_right = rtl ? text_left : r - WD_FRAMERECT_RIGHT - replace_icon.width - 8;
923
924 int normal_text_y_offset = (step_size - FONT_HEIGHT_NORMAL) / 2;
925 int small_text_y_offset = step_size - FONT_HEIGHT_SMALL - WD_FRAMERECT_BOTTOM - 1;
926 int replace_icon_y_offset = (step_size - replace_icon.height) / 2 - 1;
927
928 for (; min < max; min++, y += step_size) {
929 const EngineID engine = (*eng_list)[min];
930 /* Note: num_engines is only used in the autoreplace GUI, so it is correct to use _local_company here. */
931 const uint num_engines = GetGroupNumEngines(_local_company, selected_group, engine);
932
933 const Engine *e = Engine::Get(engine);
934 bool hidden = HasBit(e->company_hidden, _local_company);
935 StringID str = hidden ? STR_HIDDEN_ENGINE_NAME : STR_ENGINE_NAME;
936 TextColour tc = (engine == selected_id) ? TC_WHITE : (TC_NO_SHADE | (hidden ? TC_GREY : TC_BLACK));
937
938 SetDParam(0, engine);
939 DrawString(text_left, text_right, y + normal_text_y_offset, str, tc);
940 DrawVehicleEngine(l, r, sprite_x, y + sprite_y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_company), EIT_PURCHASE);
941 if (show_count) {
942 SetDParam(0, num_engines);
943 DrawString(count_left, count_right, y + small_text_y_offset, STR_TINY_BLACK_COMA, TC_FROMSTRING, SA_RIGHT | SA_FORCE);
944 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);
945 }
946 }
947 }
948
956 void DisplayVehicleSortDropDown(Window *w, VehicleType vehicle_type, int selected, int button)
957 {
958 uint32 hidden_mask = 0;
959 /* Disable sorting by power or tractive effort when the original acceleration model for road vehicles is being used. */
960 if (vehicle_type == VEH_ROAD && _settings_game.vehicle.roadveh_acceleration_model == AM_ORIGINAL) {
961 SetBit(hidden_mask, 3); // power
962 SetBit(hidden_mask, 4); // tractive effort
963 SetBit(hidden_mask, 8); // power by running costs
964 }
965 /* Disable sorting by tractive effort when the original acceleration model for trains is being used. */
966 if (vehicle_type == VEH_TRAIN && _settings_game.vehicle.train_acceleration_model == AM_ORIGINAL) {
967 SetBit(hidden_mask, 4); // tractive effort
968 }
969 ShowDropDownMenu(w, _engine_sort_listing[vehicle_type], selected, button, 0, hidden_mask);
970 }
971
973 struct BuildVehicleWindow : Window {
974 VehicleType vehicle_type;
975 union {
976 RailTypeByte railtype;
977 RoadTypes roadtypes;
978 } filter;
979 bool descending_sort_order;
980 byte sort_criteria;
981 bool show_hidden_engines;
982 bool listview_mode;
983 EngineID sel_engine;
984 EngineID rename_engine;
985 GUIEngineList eng_list;
986 CargoID cargo_filter[NUM_CARGO + 2];
987 StringID cargo_filter_texts[NUM_CARGO + 3];
988 byte cargo_filter_criteria;
989 int details_height;
990 Scrollbar *vscroll;
991
992 BuildVehicleWindow(WindowDesc *desc, TileIndex tile, VehicleType type) : Window(desc)
993 {
994 this->vehicle_type = type;
995 this->window_number = tile == INVALID_TILE ? (int)type : tile;
996
997 this->sel_engine = INVALID_ENGINE;
998
999 this->sort_criteria = _engine_sort_last_criteria[type];
1000 this->descending_sort_order = _engine_sort_last_order[type];
1001 this->show_hidden_engines = _engine_sort_show_hidden_engines[type];
1002
1003 switch (type) {
1004 default: NOT_REACHED();
1005 case VEH_TRAIN:
1006 this->filter.railtype = (tile == INVALID_TILE) ? RAILTYPE_END : GetRailType(tile);
1007 break;
1008 case VEH_ROAD:
1009 this->filter.roadtypes = (tile == INVALID_TILE) ? ROADTYPES_ALL : GetRoadTypes(tile);
1010 case VEH_SHIP:
1011 case VEH_AIRCRAFT:
1012 break;
1013 }
1014
1015 this->listview_mode = (this->window_number <= VEH_END);
1016
1017 this->CreateNestedTree();
1018
1019 this->vscroll = this->GetScrollbar(WID_BV_SCROLLBAR);
1020
1021 /* If we are just viewing the list of vehicles, we do not need the Build button.
1022 * So we just hide it, and enlarge the Rename button by the now vacant place. */
1023 if (this->listview_mode) this->GetWidget<NWidgetStacked>(WID_BV_BUILD_SEL)->SetDisplayedPlane(SZSP_NONE);
1024
1025 /* disable renaming engines in network games if you are not the server */
1026 this->SetWidgetDisabledState(WID_BV_RENAME, _networking && !_network_server);
1027
1028 NWidgetCore *widget = this->GetWidget<NWidgetCore>(WID_BV_LIST);
1029 widget->tool_tip = STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP + type;
1030
1031 widget = this->GetWidget<NWidgetCore>(WID_BV_SHOW_HIDE);
1032 widget->tool_tip = STR_BUY_VEHICLE_TRAIN_HIDE_SHOW_TOGGLE_TOOLTIP + type;
1033
1034 widget = this->GetWidget<NWidgetCore>(WID_BV_BUILD);
1035 widget->widget_data = STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_BUTTON + type;
1036 widget->tool_tip = STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_TOOLTIP + type;
1037
1038 widget = this->GetWidget<NWidgetCore>(WID_BV_RENAME);
1039 widget->widget_data = STR_BUY_VEHICLE_TRAIN_RENAME_BUTTON + type;
1040 widget->tool_tip = STR_BUY_VEHICLE_TRAIN_RENAME_TOOLTIP + type;
1041
1042 widget = this->GetWidget<NWidgetCore>(WID_BV_SHOW_HIDDEN_ENGINES);
1043 widget->widget_data = STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN + type;
1044 widget->tool_tip = STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP + type;
1045 widget->SetLowered(this->show_hidden_engines);
1046
1047 this->details_height = ((this->vehicle_type == VEH_TRAIN) ? 10 : 9) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
1048
1049 this->FinishInitNested(tile == INVALID_TILE ? (int)type : tile);
1050
1051 this->owner = (tile != INVALID_TILE) ? GetTileOwner(tile) : _local_company;
1052
1053 this->eng_list.ForceRebuild();
1054 this->GenerateBuildList(); // generate the list, since we need it in the next line
1055 /* Select the first engine in the list as default when opening the window */
1056 if (this->eng_list.Length() > 0) this->sel_engine = this->eng_list[0];
1057 }
1058
1060 void SetCargoFilterArray()
1061 {
1062 uint filter_items = 0;
1063
1064 /* Add item for disabling filtering. */
1065 this->cargo_filter[filter_items] = CF_ANY;
1066 this->cargo_filter_texts[filter_items] = STR_PURCHASE_INFO_ALL_TYPES;
1067 filter_items++;
1068
1069 /* Add item for vehicles not carrying anything, e.g. train engines.
1070 * This could also be useful for eyecandy vehicles of other types, but is likely too confusing for joe, */
1071 if (this->vehicle_type == VEH_TRAIN) {
1072 this->cargo_filter[filter_items] = CF_NONE;
1073 this->cargo_filter_texts[filter_items] = STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE;
1074 filter_items++;
1075 }
1076
1077 /* Collect available cargo types for filtering. */
1078 const CargoSpec *cs;
1079 FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
1080 this->cargo_filter[filter_items] = cs->Index();
1081 this->cargo_filter_texts[filter_items] = cs->name;
1082 filter_items++;
1083 }
1084
1085 /* Terminate the filter list. */
1086 this->cargo_filter_texts[filter_items] = INVALID_STRING_ID;
1087
1088 /* If not found, the cargo criteria will be set to all cargoes. */
1089 this->cargo_filter_criteria = 0;
1090
1091 /* Find the last cargo filter criteria. */
1092 for (uint i = 0; i < filter_items; i++) {
1093 if (this->cargo_filter[i] == _engine_sort_last_cargo_criteria[this->vehicle_type]) {
1094 this->cargo_filter_criteria = i;
1095 break;
1096 }
1097 }
1098
1099 this->eng_list.SetFilterFuncs(_filter_funcs);
1100 this->eng_list.SetFilterState(this->cargo_filter[this->cargo_filter_criteria] != CF_ANY);
1101 }
1102
1103 void OnInit()
1104 {
1105 this->SetCargoFilterArray();
1106 }
1107
1109 void FilterEngineList()
1110 {
1111 this->eng_list.Filter(this->cargo_filter[this->cargo_filter_criteria]);
1112 if (0 == this->eng_list.Length()) { // no engine passed through the filter, invalidate the previously selected engine
1113 this->sel_engine = INVALID_ENGINE;
1114 } else if (!this->eng_list.Contains(this->sel_engine)) { // previously selected engine didn't pass the filter, select the first engine of the list
1115 this->sel_engine = this->eng_list[0];
1116 }
1117 }
1118
1120 bool FilterSingleEngine(EngineID eid)
1121 {
1122 CargoID filter_type = this->cargo_filter[this->cargo_filter_criteria];
1123 return (filter_type == CF_ANY || CargoFilter(&eid, filter_type));
1124 }
1125
1126 /* Figure out what train EngineIDs to put in the list */
1127 void GenerateBuildTrainList()
1128 {
1129 EngineID sel_id = INVALID_ENGINE;
1130 int num_engines = 0;
1131 int num_wagons = 0;
1132
1133 this->filter.railtype = (this->listview_mode) ? RAILTYPE_END : GetRailType(this->window_number);
1134
1135 this->eng_list.Clear();
1136
1137 /* Make list of all available train engines and wagons.
1138 * Also check to see if the previously selected engine is still available,
1139 * and if not, reset selection to INVALID_ENGINE. This could be the case
1140 * when engines become obsolete and are removed */
1141 const Engine *e;
1142 FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
1143 if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
1144 EngineID eid = e->index;
1145 const RailVehicleInfo *rvi = &e->u.rail;
1146
1147 if (this->filter.railtype != RAILTYPE_END && !HasPowerOnRail(rvi->railtype, this->filter.railtype)) continue;
1148 if (!IsEngineBuildable(eid, VEH_TRAIN, _local_company)) continue;
1149
1150 /* Filter now! So num_engines and num_wagons is valid */
1151 if (!FilterSingleEngine(eid)) continue;
1152
1153 *this->eng_list.Append() = eid;
1154
1155 if (rvi->railveh_type != RAILVEH_WAGON) {
1156 num_engines++;
1157 } else {
1158 num_wagons++;
1159 }
1160
1161 if (eid == this->sel_engine) sel_id = eid;
1162 }
1163
1164 this->sel_engine = sel_id;
1165
1166 /* make engines first, and then wagons, sorted by selected sort_criteria */
1167 _engine_sort_direction = false;
1168 EngList_Sort(&this->eng_list, TrainEnginesThenWagonsSorter);
1169
1170 /* and then sort engines */
1171 _engine_sort_direction = this->descending_sort_order;
1172 EngList_SortPartial(&this->eng_list, _engine_sort_functions[0][this->sort_criteria], 0, num_engines);
1173
1174 /* and finally sort wagons */
1175 EngList_SortPartial(&this->eng_list, _engine_sort_functions[0][this->sort_criteria], num_engines, num_wagons);
1176 }
1177
1178 /* Figure out what road vehicle EngineIDs to put in the list */
1179 void GenerateBuildRoadVehList()
1180 {
1181 EngineID sel_id = INVALID_ENGINE;
1182
1183 this->eng_list.Clear();
1184
1185 const Engine *e;
1186 FOR_ALL_ENGINES_OF_TYPE(e, VEH_ROAD) {
1187 if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
1188 EngineID eid = e->index;
1189 if (!IsEngineBuildable(eid, VEH_ROAD, _local_company)) continue;
1190 if (!HasBit(this->filter.roadtypes, HasBit(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD)) continue;
1191 *this->eng_list.Append() = eid;
1192
1193 if (eid == this->sel_engine) sel_id = eid;
1194 }
1195 this->sel_engine = sel_id;
1196 }
1197
1198 /* Figure out what ship EngineIDs to put in the list */
1199 void GenerateBuildShipList()
1200 {
1201 EngineID sel_id = INVALID_ENGINE;
1202 this->eng_list.Clear();
1203
1204 const Engine *e;
1205 FOR_ALL_ENGINES_OF_TYPE(e, VEH_SHIP) {
1206 if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
1207 EngineID eid = e->index;
1208 if (!IsEngineBuildable(eid, VEH_SHIP, _local_company)) continue;
1209 *this->eng_list.Append() = eid;
1210
1211 if (eid == this->sel_engine) sel_id = eid;
1212 }
1213 this->sel_engine = sel_id;
1214 }
1215
1216 /* Figure out what aircraft EngineIDs to put in the list */
1217 void GenerateBuildAircraftList()
1218 {
1219 EngineID sel_id = INVALID_ENGINE;
1220
1221 this->eng_list.Clear();
1222
1223 const Station *st = this->listview_mode ? NULL : Station::GetByTile(this->window_number);
1224
1225 /* Make list of all available planes.
1226 * Also check to see if the previously selected plane is still available,
1227 * and if not, reset selection to INVALID_ENGINE. This could be the case
1228 * when planes become obsolete and are removed */
1229 const Engine *e;
1230 FOR_ALL_ENGINES_OF_TYPE(e, VEH_AIRCRAFT) {
1231 if (!this->show_hidden_engines && e->IsHidden(_local_company)) continue;
1232 EngineID eid = e->index;
1233 if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_company)) continue;
1234 /* First VEH_END window_numbers are fake to allow a window open for all different types at once */
1235 if (!this->listview_mode && !CanVehicleUseStation(eid, st)) continue;
1236
1237 *this->eng_list.Append() = eid;
1238 if (eid == this->sel_engine) sel_id = eid;
1239 }
1240
1241 this->sel_engine = sel_id;
1242 }
1243
1244 /* Generate the list of vehicles */
1245 void GenerateBuildList()
1246 {
1247 if (!this->eng_list.NeedRebuild()) return;
1248 switch (this->vehicle_type) {
1249 default: NOT_REACHED();
1250 case VEH_TRAIN:
1251 this->GenerateBuildTrainList();
1252 this->eng_list.Compact();
1253 this->eng_list.RebuildDone();
1254 return; // trains should not reach the last sorting
1255 case VEH_ROAD:
1256 this->GenerateBuildRoadVehList();
1257 break;
1258 case VEH_SHIP:
1259 this->GenerateBuildShipList();
1260 break;
1261 case VEH_AIRCRAFT:
1262 this->GenerateBuildAircraftList();
1263 break;
1264 }
1265
1266 this->FilterEngineList();
1267
1268 _engine_sort_direction = this->descending_sort_order;
1269 EngList_Sort(&this->eng_list, _engine_sort_functions[this->vehicle_type][this->sort_criteria]);
1270
1271 this->eng_list.Compact();
1272 this->eng_list.RebuildDone();
1273 }
1274
1275 void OnClick(Point pt, int widget, int click_count)
1276 {
1277 switch (widget) {
1278 case WID_BV_SORT_ASCENDING_DESCENDING:
1279 this->descending_sort_order ^= true;
1280 _engine_sort_last_order[this->vehicle_type] = this->descending_sort_order;
1281 this->eng_list.ForceRebuild();
1282 this->SetDirty();
1283 break;
1284
1285 case WID_BV_SHOW_HIDDEN_ENGINES:
1286 this->show_hidden_engines ^= true;
1287 _engine_sort_show_hidden_engines[this->vehicle_type] = this->show_hidden_engines;
1288 this->eng_list.ForceRebuild();
1289 this->SetWidgetLoweredState(widget, this->show_hidden_engines);
1290 this->SetDirty();
1291 break;
1292
1293 case WID_BV_LIST: {
1294 uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BV_LIST);
1295 size_t num_items = this->eng_list.Length();
1296 this->sel_engine = (i < num_items) ? this->eng_list[i] : INVALID_ENGINE;
1297 this->SetDirty();
1298 if (_ctrl_pressed) {
1299 this->OnClick(pt, WID_BV_SHOW_HIDE, 1);
1300 } else if (click_count > 1 && !this->listview_mode) {
1301 this->OnClick(pt, WID_BV_BUILD, 1);
1302 }
1303 break;
1304 }
1305
1306 case WID_BV_SORT_DROPDOWN: // Select sorting criteria dropdown menu
1307 DisplayVehicleSortDropDown(this, this->vehicle_type, this->sort_criteria, WID_BV_SORT_DROPDOWN);
1308 break;
1309
1310 case WID_BV_CARGO_FILTER_DROPDOWN: // Select cargo filtering criteria dropdown menu
1311 ShowDropDownMenu(this, this->cargo_filter_texts, this->cargo_filter_criteria, WID_BV_CARGO_FILTER_DROPDOWN, 0, 0);
1312 break;
1313
1314 case WID_BV_SHOW_HIDE: {
1315 const Engine *e = (this->sel_engine == INVALID_ENGINE) ? NULL : Engine::Get(this->sel_engine);
1316 if (e != NULL) {
1317 DoCommandP(0, 0, this->sel_engine | (e->IsHidden(_current_company) ? 0 : (1u << 31)), CMD_SET_VEHICLE_VISIBILITY);
1318 }
1319 break;
1320 }
1321
1322 case WID_BV_BUILD: {
1323 EngineID sel_eng = this->sel_engine;
1324 if (sel_eng != INVALID_ENGINE) {
1325 CommandCallback *callback = (this->vehicle_type == VEH_TRAIN && RailVehInfo(sel_eng)->railveh_type == RAILVEH_WAGON) ? CcBuildWagon : CcBuildPrimaryVehicle;
1326 DoCommandP(this->window_number, sel_eng, 0, GetCmdBuildVeh(this->vehicle_type), callback);
1327 }
1328 break;
1329 }
1330
1331 case WID_BV_RENAME: {
1332 EngineID sel_eng = this->sel_engine;
1333 if (sel_eng != INVALID_ENGINE) {
1334 this->rename_engine = sel_eng;
1335 SetDParam(0, sel_eng);
1336 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);
1337 }
1338 break;
1339 }
1340 }
1341 }
1342
1348 virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
1349 {
1350 if (!gui_scope) return;
1351 /* When switching to original acceleration model for road vehicles, clear the selected sort criteria if it is not available now. */
1352 if (this->vehicle_type == VEH_ROAD &&
1353 _settings_game.vehicle.roadveh_acceleration_model == AM_ORIGINAL &&
1354 this->sort_criteria > 7) {
1355 this->sort_criteria = 0;
1356 _engine_sort_last_criteria[VEH_ROAD] = 0;
1357 }
1358 this->eng_list.ForceRebuild();
1359 }
1360
1361 virtual void SetStringParameters(int widget) const
1362 {
1363 switch (widget) {
1364 case WID_BV_CAPTION:
1365 if (this->vehicle_type == VEH_TRAIN && !this->listview_mode) {
1366 const RailtypeInfo *rti = GetRailTypeInfo(this->filter.railtype);
1367 SetDParam(0, rti->strings.build_caption);
1368 } else {
1369 SetDParam(0, (this->listview_mode ? STR_VEHICLE_LIST_AVAILABLE_TRAINS : STR_BUY_VEHICLE_TRAIN_ALL_CAPTION) + this->vehicle_type);
1370 }
1371 break;
1372
1373 case WID_BV_SORT_DROPDOWN:
1374 SetDParam(0, _engine_sort_listing[this->vehicle_type][this->sort_criteria]);
1375 break;
1376
1377 case WID_BV_CARGO_FILTER_DROPDOWN:
1378 SetDParam(0, this->cargo_filter_texts[this->cargo_filter_criteria]);
1379 break;
1380
1381 case WID_BV_SHOW_HIDE: {
1382 const Engine *e = (this->sel_engine == INVALID_ENGINE) ? NULL : Engine::Get(this->sel_engine);
1383 if (e != NULL && e->IsHidden(_local_company)) {
1384 SetDParam(0, STR_BUY_VEHICLE_TRAIN_SHOW_TOGGLE_BUTTON + this->vehicle_type);
1385 } else {
1386 SetDParam(0, STR_BUY_VEHICLE_TRAIN_HIDE_TOGGLE_BUTTON + this->vehicle_type);
1387 }
1388 break;
1389 }
1390 }
1391 }
1392
1393 virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
1394 {
1395 switch (widget) {
1396 case WID_BV_LIST:
1397 resize->height = GetEngineListHeight(this->vehicle_type);
1398 size->height = 3 * resize->height;
1399 size->width = max(size->width, GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_left + GetVehicleImageCellSize(this->vehicle_type, EIT_PURCHASE).extend_right + 165);
1400 break;
1401
1402 case WID_BV_PANEL:
1403 size->height = this->details_height;
1404 break;
1405
1406 case WID_BV_SORT_ASCENDING_DESCENDING: {
1407 Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
1408 d.width += padding.width + Window::SortButtonWidth() * 2; // Doubled since the string is centred and it also looks better.
1409 d.height += padding.height;
1410 *size = maxdim(*size, d);
1411 break;
1412 }
1413
1414 case WID_BV_SHOW_HIDE:
1415 *size = GetStringBoundingBox(STR_BUY_VEHICLE_TRAIN_HIDE_TOGGLE_BUTTON + this->vehicle_type);
1416 *size = maxdim(*size, GetStringBoundingBox(STR_BUY_VEHICLE_TRAIN_SHOW_TOGGLE_BUTTON + this->vehicle_type));
1417 size->width += padding.width;
1418 size->height += padding.height;
1419 break;
1420 }
1421 }
1422
1423 virtual void DrawWidget(const Rect &r, int widget) const
1424 {
1425 switch (widget) {
1426 case WID_BV_LIST:
1427 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);
1428 break;
1429
1430 case WID_BV_SORT_ASCENDING_DESCENDING:
1431 this->DrawSortButtonState(WID_BV_SORT_ASCENDING_DESCENDING, this->descending_sort_order ? SBS_DOWN : SBS_UP);
1432 break;
1433 }
1434 }
1435
1436 virtual void OnPaint()
1437 {
1438 this->GenerateBuildList();
1439 this->vscroll->SetCount(this->eng_list.Length());
1440
1441 this->SetWidgetDisabledState(WID_BV_SHOW_HIDE, this->sel_engine == INVALID_ENGINE);
1442
1443 this->DrawWidgets();
1444
1445 if (!this->IsShaded()) {
1446 int needed_height = this->details_height;
1447 /* Draw details panels. */
1448 if (this->sel_engine != INVALID_ENGINE) {
1449 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_BV_PANEL);
1450 int text_end = DrawVehiclePurchaseInfo(nwi->pos_x + WD_FRAMETEXT_LEFT, nwi->pos_x + nwi->current_x - WD_FRAMETEXT_RIGHT,
1451 nwi->pos_y + WD_FRAMERECT_TOP, this->sel_engine);
1452 needed_height = max(needed_height, text_end - (int)nwi->pos_y + WD_FRAMERECT_BOTTOM);
1453 }
1454 if (needed_height != this->details_height) { // Details window are not high enough, enlarge them.
1455 int resize = needed_height - this->details_height;
1456 this->details_height = needed_height;
1457 this->ReInit(0, resize);
1458 return;
1459 }
1460 }
1461 }
1462
1463 virtual void OnQueryTextFinished(char *str)
1464 {
1465 if (str == NULL) return;
1466
1467 DoCommandP(0, this->rename_engine, 0, CMD_RENAME_ENGINE | CMD_MSG(STR_ERROR_CAN_T_RENAME_TRAIN_TYPE + this->vehicle_type), NULL, str);
1468 }
1469
1470 virtual void OnDropdownSelect(int widget, int index)
1471 {
1472 switch (widget) {
1473 case WID_BV_SORT_DROPDOWN:
1474 if (this->sort_criteria != index) {
1475 this->sort_criteria = index;
1476 _engine_sort_last_criteria[this->vehicle_type] = this->sort_criteria;
1477 this->eng_list.ForceRebuild();
1478 }
1479 break;
1480
1481 case WID_BV_CARGO_FILTER_DROPDOWN: // Select a cargo filter criteria
1482 if (this->cargo_filter_criteria != index) {
1483 this->cargo_filter_criteria = index;
1484 _engine_sort_last_cargo_criteria[this->vehicle_type] = this->cargo_filter[this->cargo_filter_criteria];
1485 /* deactivate filter if criteria is 'Show All', activate it otherwise */
1486 this->eng_list.SetFilterState(this->cargo_filter[this->cargo_filter_criteria] != CF_ANY);
1487 this->eng_list.ForceRebuild();
1488 }
1489 break;
1490 }
1491 this->SetDirty();
1492 }
1493
1494 virtual void OnResize()
1495 {
1496 this->vscroll->SetCapacityFromWidget(this, WID_BV_LIST);
1497 }
1498 };
1499
1500 static WindowDesc _build_vehicle_desc(
1501 WDP_AUTO, "build_vehicle", 240, 268,
1502 WC_BUILD_VEHICLE, WC_NONE,
1503 WDF_CONSTRUCTION,
1504 _nested_build_vehicle_widgets, lengthof(_nested_build_vehicle_widgets)
1505 );
1506
1507 void ShowBuildVehicleWindow(TileIndex tile, VehicleType type)
1508 {
1509 /* We want to be able to open both Available Train as Available Ships,
1510 * so if tile == INVALID_TILE (Available XXX Window), use 'type' as unique number.
1511 * As it always is a low value, it won't collide with any real tile
1512 * number. */
1513 uint num = (tile == INVALID_TILE) ? (int)type : tile;
1514
1515 assert(IsCompanyBuildableVehicleType(type));
1516
1517 DeleteWindowById(WC_BUILD_VEHICLE, num);
1518
1519 new BuildVehicleWindow(&_build_vehicle_desc, tile, type);
1520 }