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ship_cmd.cpp
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1 /* $Id: ship_cmd.cpp 27807 2017-03-19 22:02:20Z peter1138 $ */
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 "ship.h"
14 #include "landscape.h"
15 #include "timetable.h"
16 #include "news_func.h"
17 #include "company_func.h"
18 #include "pathfinder/npf/npf_func.h"
19 #include "depot_base.h"
20 #include "station_base.h"
21 #include "newgrf_engine.h"
22 #include "pathfinder/yapf/yapf.h"
23 #include "newgrf_sound.h"
24 #include "spritecache.h"
25 #include "strings_func.h"
26 #include "window_func.h"
27 #include "date_func.h"
28 #include "vehicle_func.h"
29 #include "sound_func.h"
30 #include "ai/ai.hpp"
31 #include "pathfinder/opf/opf_ship.h"
32 #include "engine_base.h"
33 #include "company_base.h"
34 #include "tunnelbridge_map.h"
35 #include "zoom_func.h"
36
37 #include "table/strings.h"
38
39 #include "safeguards.h"
40
46 WaterClass GetEffectiveWaterClass(TileIndex tile)
47 {
48 if (HasTileWaterClass(tile)) return GetWaterClass(tile);
49 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
50 assert(GetTunnelBridgeTransportType(tile) == TRANSPORT_WATER);
51 return WATER_CLASS_CANAL;
52 }
53 if (IsTileType(tile, MP_RAILWAY)) {
54 assert(GetRailGroundType(tile) == RAIL_GROUND_WATER);
55 return WATER_CLASS_SEA;
56 }
57 NOT_REACHED();
58 }
59
60 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
61
62 template <>
63 bool IsValidImageIndex<VEH_SHIP>(uint8 image_index)
64 {
65 return image_index < lengthof(_ship_sprites);
66 }
67
68 static inline TrackBits GetTileShipTrackStatus(TileIndex tile)
69 {
70 return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
71 }
72
73 static void GetShipIcon(EngineID engine, EngineImageType image_type, VehicleSpriteSeq *result)
74 {
75 const Engine *e = Engine::Get(engine);
76 uint8 spritenum = e->u.ship.image_index;
77
78 if (is_custom_sprite(spritenum)) {
79 GetCustomVehicleIcon(engine, DIR_W, image_type, result);
80 if (result->IsValid()) return;
81
82 spritenum = e->original_image_index;
83 }
84
85 assert(IsValidImageIndex<VEH_SHIP>(spritenum));
86 result->Set(DIR_W + _ship_sprites[spritenum]);
87 }
88
89 void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
90 {
91 VehicleSpriteSeq seq;
92 GetShipIcon(engine, image_type, &seq);
93
94 Rect rect;
95 seq.GetBounds(&rect);
96 preferred_x = Clamp(preferred_x,
97 left - UnScaleGUI(rect.left),
98 right - UnScaleGUI(rect.right));
99
100 seq.Draw(preferred_x, y, pal, pal == PALETTE_CRASH);
101 }
102
112 void GetShipSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type)
113 {
114 VehicleSpriteSeq seq;
115 GetShipIcon(engine, image_type, &seq);
116
117 Rect rect;
118 seq.GetBounds(&rect);
119
120 width = UnScaleGUI(rect.right - rect.left + 1);
121 height = UnScaleGUI(rect.bottom - rect.top + 1);
122 xoffs = UnScaleGUI(rect.left);
123 yoffs = UnScaleGUI(rect.top);
124 }
125
126 void Ship::GetImage(Direction direction, EngineImageType image_type, VehicleSpriteSeq *result) const
127 {
128 uint8 spritenum = this->spritenum;
129
130 if (is_custom_sprite(spritenum)) {
131 GetCustomVehicleSprite(this, direction, image_type, result);
132 if (result->IsValid()) return;
133
134 spritenum = this->GetEngine()->original_image_index;
135 }
136
137 assert(IsValidImageIndex<VEH_SHIP>(spritenum));
138 result->Set(_ship_sprites[spritenum] + direction);
139 }
140
141 static const Depot *FindClosestShipDepot(const Vehicle *v, uint max_distance)
142 {
143 /* Find the closest depot */
144 const Depot *depot;
145 const Depot *best_depot = NULL;
146 /* If we don't have a maximum distance, i.e. distance = 0,
147 * we want to find any depot so the best distance of no
148 * depot must be more than any correct distance. On the
149 * other hand if we have set a maximum distance, any depot
150 * further away than max_distance can safely be ignored. */
151 uint best_dist = max_distance == 0 ? UINT_MAX : max_distance + 1;
152
153 FOR_ALL_DEPOTS(depot) {
154 TileIndex tile = depot->xy;
155 if (IsShipDepotTile(tile) && IsTileOwner(tile, v->owner)) {
156 uint dist = DistanceManhattan(tile, v->tile);
157 if (dist < best_dist) {
158 best_dist = dist;
159 best_depot = depot;
160 }
161 }
162 }
163
164 return best_depot;
165 }
166
167 static void CheckIfShipNeedsService(Vehicle *v)
168 {
169 if (Company::Get(v->owner)->settings.vehicle.servint_ships == 0 || !v->NeedsAutomaticServicing()) return;
170 if (v->IsChainInDepot()) {
171 VehicleServiceInDepot(v);
172 return;
173 }
174
175 uint max_distance;
176 switch (_settings_game.pf.pathfinder_for_ships) {
177 case VPF_OPF: max_distance = 12; break;
178 case VPF_NPF: max_distance = _settings_game.pf.npf.maximum_go_to_depot_penalty / NPF_TILE_LENGTH; break;
179 case VPF_YAPF: max_distance = _settings_game.pf.yapf.maximum_go_to_depot_penalty / YAPF_TILE_LENGTH; break;
180 default: NOT_REACHED();
181 }
182
183 const Depot *depot = FindClosestShipDepot(v, max_distance);
184
185 if (depot == NULL) {
186 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
187 v->current_order.MakeDummy();
188 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
189 }
190 return;
191 }
192
193 v->current_order.MakeGoToDepot(depot->index, ODTFB_SERVICE);
194 v->dest_tile = depot->xy;
195 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
196 }
197
201 void Ship::UpdateCache()
202 {
203 const ShipVehicleInfo *svi = ShipVehInfo(this->engine_type);
204
205 /* Get speed fraction for the current water type. Aqueducts are always canals. */
206 bool is_ocean = GetEffectiveWaterClass(this->tile) == WATER_CLASS_SEA;
207 uint raw_speed = GetVehicleProperty(this, PROP_SHIP_SPEED, svi->max_speed);
208 this->vcache.cached_max_speed = svi->ApplyWaterClassSpeedFrac(raw_speed, is_ocean);
209
210 /* Update cargo aging period. */
211 this->vcache.cached_cargo_age_period = GetVehicleProperty(this, PROP_SHIP_CARGO_AGE_PERIOD, EngInfo(this->engine_type)->cargo_age_period);
212
213 this->UpdateVisualEffect();
214 }
215
216 Money Ship::GetRunningCost() const
217 {
218 const Engine *e = this->GetEngine();
219 uint cost_factor = GetVehicleProperty(this, PROP_SHIP_RUNNING_COST_FACTOR, e->u.ship.running_cost);
220 return GetPrice(PR_RUNNING_SHIP, cost_factor, e->GetGRF());
221 }
222
223 void Ship::OnNewDay()
224 {
225 if ((++this->day_counter & 7) == 0) {
226 DecreaseVehicleValue(this);
227 }
228
229 CheckVehicleBreakdown(this);
230 AgeVehicle(this);
231 CheckIfShipNeedsService(this);
232
233 CheckOrders(this);
234
235 if (this->running_ticks == 0) return;
236
237 CommandCost cost(EXPENSES_SHIP_RUN, this->GetRunningCost() * this->running_ticks / (DAYS_IN_YEAR * DAY_TICKS));
238
239 this->profit_this_year -= cost.GetCost();
240 this->running_ticks = 0;
241
242 SubtractMoneyFromCompanyFract(this->owner, cost);
243
244 SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
245 /* we need this for the profit */
246 SetWindowClassesDirty(WC_SHIPS_LIST);
247 }
248
249 Trackdir Ship::GetVehicleTrackdir() const
250 {
251 if (this->vehstatus & VS_CRASHED) return INVALID_TRACKDIR;
252
253 if (this->IsInDepot()) {
254 /* We'll assume the ship is facing outwards */
255 return DiagDirToDiagTrackdir(GetShipDepotDirection(this->tile));
256 }
257
258 if (this->state == TRACK_BIT_WORMHOLE) {
259 /* ship on aqueduct, so just use his direction and assume a diagonal track */
260 return DiagDirToDiagTrackdir(DirToDiagDir(this->direction));
261 }
262
263 return TrackDirectionToTrackdir(FindFirstTrack(this->state), this->direction);
264 }
265
266 void Ship::MarkDirty()
267 {
268 this->colourmap = PAL_NONE;
269 this->UpdateViewport(true, false);
270 this->UpdateCache();
271 }
272
273 static void PlayShipSound(const Vehicle *v)
274 {
275 if (!PlayVehicleSound(v, VSE_START)) {
276 SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
277 }
278 }
279
280 void Ship::PlayLeaveStationSound() const
281 {
282 PlayShipSound(this);
283 }
284
285 TileIndex Ship::GetOrderStationLocation(StationID station)
286 {
287 if (station == this->last_station_visited) this->last_station_visited = INVALID_STATION;
288
289 const Station *st = Station::Get(station);
290 if (st->dock_tile != INVALID_TILE) {
291 return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
292 } else {
293 this->IncrementRealOrderIndex();
294 return 0;
295 }
296 }
297
298 void Ship::UpdateDeltaXY(Direction direction)
299 {
300 static const int8 _delta_xy_table[8][4] = {
301 /* y_extent, x_extent, y_offs, x_offs */
302 { 6, 6, -3, -3}, // N
303 { 6, 32, -3, -16}, // NE
304 { 6, 6, -3, -3}, // E
305 {32, 6, -16, -3}, // SE
306 { 6, 6, -3, -3}, // S
307 { 6, 32, -3, -16}, // SW
308 { 6, 6, -3, -3}, // W
309 {32, 6, -16, -3}, // NW
310 };
311
312 const int8 *bb = _delta_xy_table[direction];
313 this->x_offs = bb[3];
314 this->y_offs = bb[2];
315 this->x_extent = bb[1];
316 this->y_extent = bb[0];
317 this->z_extent = 6;
318 }
319
320 static bool CheckShipLeaveDepot(Ship *v)
321 {
322 if (!v->IsChainInDepot()) return false;
323
324 /* We are leaving a depot, but have to go to the exact same one; re-enter */
325 if (v->current_order.IsType(OT_GOTO_DEPOT) &&
326 IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
327 VehicleEnterDepot(v);
328 return true;
329 }
330
331 TileIndex tile = v->tile;
332 Axis axis = GetShipDepotAxis(tile);
333
334 DiagDirection north_dir = ReverseDiagDir(AxisToDiagDir(axis));
335 TileIndex north_neighbour = TILE_ADD(tile, TileOffsByDiagDir(north_dir));
336 DiagDirection south_dir = AxisToDiagDir(axis);
337 TileIndex south_neighbour = TILE_ADD(tile, 2 * TileOffsByDiagDir(south_dir));
338
339 TrackBits north_tracks = DiagdirReachesTracks(north_dir) & GetTileShipTrackStatus(north_neighbour);
340 TrackBits south_tracks = DiagdirReachesTracks(south_dir) & GetTileShipTrackStatus(south_neighbour);
341 if (north_tracks && south_tracks) {
342 /* Ask pathfinder for best direction */
343 bool reverse = false;
344 bool path_found;
345 switch (_settings_game.pf.pathfinder_for_ships) {
346 case VPF_OPF: reverse = OPFShipChooseTrack(v, north_neighbour, north_dir, north_tracks, path_found) == INVALID_TRACK; break; // OPF always allows reversing
347 case VPF_NPF: reverse = NPFShipCheckReverse(v); break;
348 case VPF_YAPF: reverse = YapfShipCheckReverse(v); break;
349 default: NOT_REACHED();
350 }
351 if (reverse) north_tracks = TRACK_BIT_NONE;
352 }
353
354 if (north_tracks) {
355 /* Leave towards north */
356 v->direction = DiagDirToDir(north_dir);
357 } else if (south_tracks) {
358 /* Leave towards south */
359 v->direction = DiagDirToDir(south_dir);
360 } else {
361 /* Both ways blocked */
362 return false;
363 }
364
365 v->state = AxisToTrackBits(axis);
366 v->vehstatus &= ~VS_HIDDEN;
367
368 v->cur_speed = 0;
369 v->UpdateViewport(true, true);
370 SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
371
372 PlayShipSound(v);
373 VehicleServiceInDepot(v);
374 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
375 SetWindowClassesDirty(WC_SHIPS_LIST);
376
377 return false;
378 }
379
380 static bool ShipAccelerate(Vehicle *v)
381 {
382 uint spd;
383 byte t;
384
385 spd = min(v->cur_speed + 1, v->vcache.cached_max_speed);
386 spd = min(spd, v->current_order.GetMaxSpeed() * 2);
387
388 /* updates statusbar only if speed have changed to save CPU time */
389 if (spd != v->cur_speed) {
390 v->cur_speed = spd;
391 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
392 }
393
394 /* Convert direction-independent speed into direction-dependent speed. (old movement method) */
395 spd = v->GetOldAdvanceSpeed(spd);
396
397 if (spd == 0) return false;
398 if ((byte)++spd == 0) return true;
399
400 v->progress = (t = v->progress) - (byte)spd;
401
402 return (t < v->progress);
403 }
404
410 static void ShipArrivesAt(const Vehicle *v, Station *st)
411 {
412 /* Check if station was ever visited before */
413 if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
414 st->had_vehicle_of_type |= HVOT_SHIP;
415
416 SetDParam(0, st->index);
417 AddVehicleNewsItem(
418 STR_NEWS_FIRST_SHIP_ARRIVAL,
419 (v->owner == _local_company) ? NT_ARRIVAL_COMPANY : NT_ARRIVAL_OTHER,
420 v->index,
421 st->index
422 );
423 AI::NewEvent(v->owner, new ScriptEventStationFirstVehicle(st->index, v->index));
424 }
425 }
426
427
437 static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
438 {
439 assert(IsValidDiagDirection(enterdir));
440
441 bool path_found = true;
442 Track track;
443 switch (_settings_game.pf.pathfinder_for_ships) {
444 case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
445 case VPF_NPF: track = NPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
446 case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
447 default: NOT_REACHED();
448 }
449
450 v->HandlePathfindingResult(path_found);
451 return track;
452 }
453
454 static inline TrackBits GetAvailShipTracks(TileIndex tile, DiagDirection dir)
455 {
456 return GetTileShipTrackStatus(tile) & DiagdirReachesTracks(dir);
457 }
458
459 static const byte _ship_subcoord[4][6][3] = {
460 {
461 {15, 8, 1},
462 { 0, 0, 0},
463 { 0, 0, 0},
464 {15, 8, 2},
465 {15, 7, 0},
466 { 0, 0, 0},
467 },
468 {
469 { 0, 0, 0},
470 { 8, 0, 3},
471 { 7, 0, 2},
472 { 0, 0, 0},
473 { 8, 0, 4},
474 { 0, 0, 0},
475 },
476 {
477 { 0, 8, 5},
478 { 0, 0, 0},
479 { 0, 7, 6},
480 { 0, 0, 0},
481 { 0, 0, 0},
482 { 0, 8, 4},
483 },
484 {
485 { 0, 0, 0},
486 { 8, 15, 7},
487 { 0, 0, 0},
488 { 8, 15, 6},
489 { 0, 0, 0},
490 { 7, 15, 0},
491 }
492 };
493
494 static void ShipController(Ship *v)
495 {
496 uint32 r;
497 const byte *b;
498 Direction dir;
499 Track track;
500 TrackBits tracks;
501
502 v->tick_counter++;
503 v->current_order_time++;
504
505 if (v->HandleBreakdown()) return;
506
507 if (v->vehstatus & VS_STOPPED) return;
508
509 ProcessOrders(v);
510 v->HandleLoading();
511
512 if (v->current_order.IsType(OT_LOADING)) return;
513
514 if (CheckShipLeaveDepot(v)) return;
515
516 v->ShowVisualEffect();
517
518 if (!ShipAccelerate(v)) return;
519
520 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
521 if (v->state != TRACK_BIT_WORMHOLE) {
522 /* Not on a bridge */
523 if (gp.old_tile == gp.new_tile) {
524 /* Staying in tile */
525 if (v->IsInDepot()) {
526 gp.x = v->x_pos;
527 gp.y = v->y_pos;
528 } else {
529 /* Not inside depot */
530 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
531 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
532
533 /* A leave station order only needs one tick to get processed, so we can
534 * always skip ahead. */
535 if (v->current_order.IsType(OT_LEAVESTATION)) {
536 v->current_order.Free();
537 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
538 } else if (v->dest_tile != 0) {
539 /* We have a target, let's see if we reached it... */
540 if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
541 DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
542 /* We got within 3 tiles of our target buoy, so let's skip to our
543 * next order */
544 UpdateVehicleTimetable(v, true);
545 v->IncrementRealOrderIndex();
546 v->current_order.MakeDummy();
547 } else {
548 /* Non-buoy orders really need to reach the tile */
549 if (v->dest_tile == gp.new_tile) {
550 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
551 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
552 VehicleEnterDepot(v);
553 return;
554 }
555 } else if (v->current_order.IsType(OT_GOTO_STATION)) {
556 v->last_station_visited = v->current_order.GetDestination();
557
558 /* Process station in the orderlist. */
559 Station *st = Station::Get(v->current_order.GetDestination());
560 if (st->facilities & FACIL_DOCK) { // ugly, ugly workaround for problem with ships able to drop off cargo at wrong stations
561 ShipArrivesAt(v, st);
562 v->BeginLoading();
563 } else { // leave stations without docks right aways
564 v->current_order.MakeLeaveStation();
565 v->IncrementRealOrderIndex();
566 }
567 }
568 }
569 }
570 }
571 }
572 } else {
573 /* New tile */
574 if (!IsValidTile(gp.new_tile)) goto reverse_direction;
575
576 DiagDirection diagdir = DiagdirBetweenTiles(gp.old_tile, gp.new_tile);
577 assert(diagdir != INVALID_DIAGDIR);
578 tracks = GetAvailShipTracks(gp.new_tile, diagdir);
579 if (tracks == TRACK_BIT_NONE) goto reverse_direction;
580
581 /* Choose a direction, and continue if we find one */
582 track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
583 if (track == INVALID_TRACK) goto reverse_direction;
584
585 b = _ship_subcoord[diagdir][track];
586
587 gp.x = (gp.x & ~0xF) | b[0];
588 gp.y = (gp.y & ~0xF) | b[1];
589
590 /* Call the landscape function and tell it that the vehicle entered the tile */
591 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
592 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
593
594 if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
595 v->tile = gp.new_tile;
596 v->state = TrackToTrackBits(track);
597
598 /* Update ship cache when the water class changes. Aqueducts are always canals. */
599 WaterClass old_wc = GetEffectiveWaterClass(gp.old_tile);
600 WaterClass new_wc = GetEffectiveWaterClass(gp.new_tile);
601 if (old_wc != new_wc) v->UpdateCache();
602 }
603
604 v->direction = (Direction)b[2];
605 }
606 } else {
607 /* On a bridge */
608 if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
609 v->x_pos = gp.x;
610 v->y_pos = gp.y;
611 v->UpdatePosition();
612 if ((v->vehstatus & VS_HIDDEN) == 0) v->Vehicle::UpdateViewport(true);
613 return;
614 }
615 }
616
617 /* update image of ship, as well as delta XY */
618 v->x_pos = gp.x;
619 v->y_pos = gp.y;
620 v->z_pos = GetSlopePixelZ(gp.x, gp.y);
621
622 getout:
623 v->UpdatePosition();
624 v->UpdateViewport(true, true);
625 return;
626
627 reverse_direction:
628 dir = ReverseDir(v->direction);
629 v->direction = dir;
630 goto getout;
631 }
632
633 bool Ship::Tick()
634 {
635 if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
636
637 ShipController(this);
638
639 return true;
640 }
641
651 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, uint16 data, Vehicle **ret)
652 {
653 tile = GetShipDepotNorthTile(tile);
654 if (flags & DC_EXEC) {
655 int x;
656 int y;
657
658 const ShipVehicleInfo *svi = &e->u.ship;
659
660 Ship *v = new Ship();
661 *ret = v;
662
663 v->owner = _current_company;
664 v->tile = tile;
665 x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
666 y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
667 v->x_pos = x;
668 v->y_pos = y;
669 v->z_pos = GetSlopePixelZ(x, y);
670
671 v->UpdateDeltaXY(v->direction);
672 v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
673
674 v->spritenum = svi->image_index;
675 v->cargo_type = e->GetDefaultCargoType();
676 v->cargo_cap = svi->capacity;
677 v->refit_cap = 0;
678
679 v->last_station_visited = INVALID_STATION;
680 v->last_loading_station = INVALID_STATION;
681 v->engine_type = e->index;
682
683 v->reliability = e->reliability;
684 v->reliability_spd_dec = e->reliability_spd_dec;
685 v->max_age = e->GetLifeLengthInDays();
686 _new_vehicle_id = v->index;
687
688 v->state = TRACK_BIT_DEPOT;
689
690 v->SetServiceInterval(Company::Get(_current_company)->settings.vehicle.servint_ships);
691 v->date_of_last_service = _date;
692 v->build_year = _cur_year;
693 v->sprite_seq.Set(SPR_IMG_QUERY);
694 v->random_bits = VehicleRandomBits();
695
696 v->UpdateCache();
697
698 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
699 v->SetServiceIntervalIsPercent(Company::Get(_current_company)->settings.vehicle.servint_ispercent);
700
701 v->InvalidateNewGRFCacheOfChain();
702
703 v->cargo_cap = e->DetermineCapacity(v);
704
705 v->InvalidateNewGRFCacheOfChain();
706
707 v->UpdatePosition();
708 }
709
710 return CommandCost();
711 }
712
713 bool Ship::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
714 {
715 const Depot *depot = FindClosestShipDepot(this, 0);
716
717 if (depot == NULL) return false;
718
719 if (location != NULL) *location = depot->xy;
720 if (destination != NULL) *destination = depot->index;
721
722 return true;
723 }