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00012 #include "stdafx.h"
00013 #include "ship.h"
00014 #include "landscape.h"
00015 #include "timetable.h"
00016 #include "news_func.h"
00017 #include "company_func.h"
00018 #include "pathfinder/npf/npf_func.h"
00019 #include "depot_base.h"
00020 #include "station_base.h"
00021 #include "vehicle_gui.h"
00022 #include "newgrf_engine.h"
00023 #include "pathfinder/yapf/yapf.h"
00024 #include "newgrf_sound.h"
00025 #include "spritecache.h"
00026 #include "strings_func.h"
00027 #include "window_func.h"
00028 #include "date_func.h"
00029 #include "vehicle_func.h"
00030 #include "sound_func.h"
00031 #include "ai/ai.hpp"
00032 #include "pathfinder/opf/opf_ship.h"
00033 #include "engine_base.h"
00034 #include "engine_func.h"
00035 #include "company_base.h"
00036 #include "infrastructure_func.h"
00037 #include "command_func.h"
00038
00039 #include "table/strings.h"
00040
00041 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
00042
00043 static inline TrackBits GetTileShipTrackStatus(TileIndex tile)
00044 {
00045 return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
00046 }
00047
00048 static SpriteID GetShipIcon(EngineID engine)
00049 {
00050 const Engine *e = Engine::Get(engine);
00051 uint8 spritenum = e->u.ship.image_index;
00052
00053 if (is_custom_sprite(spritenum)) {
00054 SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
00055 if (sprite != 0) return sprite;
00056
00057 spritenum = e->original_image_index;
00058 }
00059
00060 return DIR_W + _ship_sprites[spritenum];
00061 }
00062
00063 void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
00064 {
00065 SpriteID sprite = GetShipIcon(engine);
00066 const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
00067 preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
00068 DrawSprite(sprite, pal, preferred_x, y);
00069 }
00070
00077 void GetShipSpriteSize(EngineID engine, uint &width, uint &height)
00078 {
00079 const Sprite *spr = GetSprite(GetShipIcon(engine), ST_NORMAL);
00080
00081 width = spr->width;
00082 height = spr->height;
00083 }
00084
00085 SpriteID Ship::GetImage(Direction direction) const
00086 {
00087 uint8 spritenum = this->spritenum;
00088
00089 if (is_custom_sprite(spritenum)) {
00090 SpriteID sprite = GetCustomVehicleSprite(this, direction);
00091 if (sprite != 0) return sprite;
00092
00093 spritenum = Engine::Get(this->engine_type)->original_image_index;
00094 }
00095
00096 return _ship_sprites[spritenum] + direction;
00097 }
00098
00099 static const Depot *FindClosestShipDepot(const Vehicle *v, uint max_distance)
00100 {
00101
00102 const Depot *depot;
00103 const Depot *best_depot = NULL;
00104
00105
00106
00107
00108
00109 uint best_dist = max_distance == 0 ? UINT_MAX : max_distance + 1;
00110
00111 FOR_ALL_DEPOTS(depot) {
00112 TileIndex tile = depot->xy;
00113 if (IsShipDepotTile(tile) && IsInfraTileUsageAllowed(VEH_SHIP, v->owner, tile)) {
00114 uint dist = DistanceManhattan(tile, v->tile);
00115 if (dist < best_dist) {
00116 best_dist = dist;
00117 best_depot = depot;
00118 }
00119 }
00120 }
00121
00122 return best_depot;
00123 }
00124
00125 static void CheckIfShipNeedsService(Vehicle *v)
00126 {
00127 if (Company::Get(v->owner)->settings.vehicle.servint_ships == 0 || !v->NeedsAutomaticServicing()) return;
00128 if (v->IsInDepot()) {
00129 VehicleServiceInDepot(v);
00130 return;
00131 }
00132
00133 uint max_distance;
00134 switch (_settings_game.pf.pathfinder_for_ships) {
00135 case VPF_OPF: max_distance = 12; break;
00136 case VPF_NPF: max_distance = _settings_game.pf.npf.maximum_go_to_depot_penalty / NPF_TILE_LENGTH; break;
00137 case VPF_YAPF: max_distance = _settings_game.pf.yapf.maximum_go_to_depot_penalty / YAPF_TILE_LENGTH; break;
00138 default: NOT_REACHED();
00139 }
00140
00141 const Depot *depot = FindClosestShipDepot(v, max_distance);
00142
00143 if (depot == NULL) {
00144 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00145 v->current_order.MakeDummy();
00146 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00147 }
00148 return;
00149 }
00150
00151 v->current_order.MakeGoToDepot(depot->index, ODTFB_SERVICE);
00152 v->dest_tile = depot->xy;
00153 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00154 }
00155
00159 void Ship::UpdateCache()
00160 {
00161 this->vcache.cached_max_speed = GetVehicleProperty(this, PROP_SHIP_SPEED, ShipVehInfo(this->engine_type)->max_speed);
00162
00163 this->UpdateVisualEffect();
00164 }
00165
00166 Money Ship::GetRunningCost() const
00167 {
00168 const Engine *e = Engine::Get(this->engine_type);
00169 uint cost_factor = GetVehicleProperty(this, PROP_SHIP_RUNNING_COST_FACTOR, e->u.ship.running_cost);
00170 return GetPrice(PR_RUNNING_SHIP, cost_factor, e->grf_prop.grffile);
00171 }
00172
00173 void Ship::OnNewDay()
00174 {
00175 if ((++this->day_counter & 7) == 0) {
00176 DecreaseVehicleValue(this);
00177 }
00178
00179 CheckVehicleBreakdown(this);
00180 AgeVehicle(this);
00181 CheckIfShipNeedsService(this);
00182
00183 CheckOrders(this);
00184
00185 if (this->running_ticks == 0) return;
00186
00187 CommandCost cost(EXPENSES_SHIP_RUN, this->GetRunningCost() * this->running_ticks / (DAYS_IN_YEAR * DAY_TICKS));
00188
00189 this->profit_this_year -= cost.GetCost();
00190 this->running_ticks = 0;
00191
00192 SubtractMoneyFromCompanyFract(this->owner, cost);
00193
00194 SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
00195
00196 SetWindowClassesDirty(WC_SHIPS_LIST);
00197 }
00198
00199 Trackdir Ship::GetVehicleTrackdir() const
00200 {
00201 if (this->vehstatus & VS_CRASHED) return INVALID_TRACKDIR;
00202
00203 if (this->IsInDepot()) {
00204
00205 return DiagDirToDiagTrackdir(GetShipDepotDirection(this->tile));
00206 }
00207
00208 if (this->state == TRACK_BIT_WORMHOLE) {
00209
00210 return DiagDirToDiagTrackdir(DirToDiagDir(this->direction));
00211 }
00212
00213 return TrackDirectionToTrackdir(FindFirstTrack(this->state), this->direction);
00214 }
00215
00216 void Ship::MarkDirty()
00217 {
00218 this->UpdateViewport(false, false);
00219 this->UpdateCache();
00220 }
00221
00222 static void PlayShipSound(const Vehicle *v)
00223 {
00224 if (!PlayVehicleSound(v, VSE_START)) {
00225 SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
00226 }
00227 }
00228
00229 void Ship::PlayLeaveStationSound() const
00230 {
00231 PlayShipSound(this);
00232 }
00233
00234 TileIndex Ship::GetOrderStationLocation(StationID station)
00235 {
00236 if (station == this->last_station_visited) this->last_station_visited = INVALID_STATION;
00237
00238 const Station *st = Station::Get(station);
00239 if (st->dock_tile != INVALID_TILE) {
00240 return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
00241 } else {
00242 this->IncrementRealOrderIndex();
00243 return 0;
00244 }
00245 }
00246
00247 void Ship::UpdateDeltaXY(Direction direction)
00248 {
00249 #define MKIT(a, b, c, d) ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) | ((d & 0xFF) << 0)
00250 static const uint32 _delta_xy_table[8] = {
00251 MKIT( 6, 6, -3, -3),
00252 MKIT( 6, 32, -3, -16),
00253 MKIT( 6, 6, -3, -3),
00254 MKIT(32, 6, -16, -3),
00255 MKIT( 6, 6, -3, -3),
00256 MKIT( 6, 32, -3, -16),
00257 MKIT( 6, 6, -3, -3),
00258 MKIT(32, 6, -16, -3),
00259 };
00260 #undef MKIT
00261
00262 uint32 x = _delta_xy_table[direction];
00263 this->x_offs = GB(x, 0, 8);
00264 this->y_offs = GB(x, 8, 8);
00265 this->x_extent = GB(x, 16, 8);
00266 this->y_extent = GB(x, 24, 8);
00267 this->z_extent = 6;
00268 }
00269
00270 static const TileIndexDiffC _ship_leave_depot_offs[] = {
00271 {-1, 0},
00272 { 0, -1}
00273 };
00274
00275 static bool CheckShipLeaveDepot(Ship *v)
00276 {
00277 if (!v->IsInDepot()) return false;
00278
00279
00280 if (v->current_order.IsType(OT_GOTO_DEPOT) &&
00281 IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
00282 VehicleEnterDepot(v);
00283 return true;
00284 }
00285
00286 TileIndex tile = v->tile;
00287 Axis axis = GetShipDepotAxis(tile);
00288
00289
00290 if (DiagdirReachesTracks((DiagDirection)axis) & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00291 v->direction = ReverseDir(AxisToDirection(axis));
00292
00293 } else if (DiagdirReachesTracks((DiagDirection)(axis + 2)) & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00294 v->direction = AxisToDirection(axis);
00295 } else {
00296 return false;
00297 }
00298
00299 v->state = AxisToTrackBits(axis);
00300 v->vehstatus &= ~VS_HIDDEN;
00301
00302 v->cur_speed = 0;
00303 v->UpdateViewport(false, true);
00304 SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
00305
00306 PlayShipSound(v);
00307 VehicleServiceInDepot(v);
00308 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00309 SetWindowClassesDirty(WC_SHIPS_LIST);
00310
00311 return false;
00312 }
00313
00314 static bool ShipAccelerate(Vehicle *v)
00315 {
00316 uint spd;
00317 byte t;
00318
00319 spd = min(v->cur_speed + 1, v->vcache.cached_max_speed);
00320
00321 if(v->breakdown_ctr == 1 && v->breakdown_type == BREAKDOWN_LOW_POWER && v->cur_speed > (v->breakdown_severity * ShipVehInfo(v->engine_type)->max_speed) >> 8) {
00322 if((v->tick_counter & 0x7) == 0 && v->cur_speed > 0) {
00323 spd = v->cur_speed - 1;
00324 } else {
00325 spd = v->cur_speed;
00326 }
00327 }
00328
00329 if(v->breakdown_ctr == 1 && v->breakdown_type == BREAKDOWN_LOW_SPEED) {
00330 spd = min(spd, v->breakdown_severity);
00331 }
00332
00333
00334 if (spd != v->cur_speed) {
00335 v->cur_speed = spd;
00336 if (_settings_client.gui.vehicle_speed) {
00337 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00338 }
00339 }
00340
00341
00342 spd = v->GetOldAdvanceSpeed(spd);
00343
00344 if (spd == 0) return false;
00345 if ((byte)++spd == 0) return true;
00346
00347 v->progress = (t = v->progress) - (byte)spd;
00348
00349 return (t < v->progress);
00350 }
00351
00357 static void ShipArrivesAt(const Vehicle *v, Station *st)
00358 {
00359
00360 if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
00361 st->had_vehicle_of_type |= HVOT_SHIP;
00362
00363 SetDParam(0, st->index);
00364 AddVehicleNewsItem(
00365 STR_NEWS_FIRST_SHIP_ARRIVAL,
00366 (v->owner == _local_company) ? NS_ARRIVAL_COMPANY : NS_ARRIVAL_OTHER,
00367 v->index,
00368 st->index
00369 );
00370 AI::NewEvent(v->owner, new AIEventStationFirstVehicle(st->index, v->index));
00371 }
00372 }
00373
00374
00380 static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
00381 {
00382 assert(IsValidDiagDirection(enterdir));
00383
00384 bool path_found = true;
00385 Track track;
00386 switch (_settings_game.pf.pathfinder_for_ships) {
00387 case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00388 case VPF_NPF: track = NPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00389 case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00390 default: NOT_REACHED();
00391 }
00392
00393 v->HandlePathfindingResult(path_found);
00394 return track;
00395 }
00396
00397 static const Direction _new_vehicle_direction_table[] = {
00398 DIR_N , DIR_NW, DIR_W , INVALID_DIR,
00399 DIR_NE, DIR_N , DIR_SW, INVALID_DIR,
00400 DIR_E , DIR_SE, DIR_S
00401 };
00402
00403 static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
00404 {
00405 uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
00406 TileX(new_tile) - TileX(old_tile) + 1;
00407 assert(offs < 11 && offs != 3 && offs != 7);
00408 return _new_vehicle_direction_table[offs];
00409 }
00410
00411 static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
00412 {
00413 uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
00414 assert(offs < 11 && offs != 3 && offs != 7);
00415 return _new_vehicle_direction_table[offs];
00416 }
00417
00418 static inline TrackBits GetAvailShipTracks(TileIndex tile, DiagDirection dir)
00419 {
00420 return GetTileShipTrackStatus(tile) & DiagdirReachesTracks(dir);
00421 }
00422
00423 static const byte _ship_subcoord[4][6][3] = {
00424 {
00425 {15, 8, 1},
00426 { 0, 0, 0},
00427 { 0, 0, 0},
00428 {15, 8, 2},
00429 {15, 7, 0},
00430 { 0, 0, 0},
00431 },
00432 {
00433 { 0, 0, 0},
00434 { 8, 0, 3},
00435 { 7, 0, 2},
00436 { 0, 0, 0},
00437 { 8, 0, 4},
00438 { 0, 0, 0},
00439 },
00440 {
00441 { 0, 8, 5},
00442 { 0, 0, 0},
00443 { 0, 7, 6},
00444 { 0, 0, 0},
00445 { 0, 0, 0},
00446 { 0, 8, 4},
00447 },
00448 {
00449 { 0, 0, 0},
00450 { 8, 15, 7},
00451 { 0, 0, 0},
00452 { 8, 15, 6},
00453 { 0, 0, 0},
00454 { 7, 15, 0},
00455 }
00456 };
00457
00458 static void ShipController(Ship *v)
00459 {
00460 uint32 r;
00461 const byte *b;
00462 Direction dir;
00463 Track track;
00464 TrackBits tracks;
00465
00466 v->tick_counter++;
00467 v->current_order_time++;
00468
00469 if (v->HandleBreakdown()) return;
00470
00471 if (v->vehstatus & VS_STOPPED) return;
00472
00473 ProcessOrders(v);
00474 v->HandleLoading();
00475
00476 if (v->current_order.IsType(OT_LOADING)) return;
00477
00478 if (CheckShipLeaveDepot(v)) return;
00479
00480 v->ShowVisualEffect();
00481
00482 if (!ShipAccelerate(v)) return;
00483
00484 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00485 if (v->state != TRACK_BIT_WORMHOLE) {
00486
00487 if (gp.old_tile == gp.new_tile) {
00488
00489 if (v->IsInDepot()) {
00490 gp.x = v->x_pos;
00491 gp.y = v->y_pos;
00492 } else {
00493
00494 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00495 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00496
00497
00498
00499 if (v->current_order.IsType(OT_LEAVESTATION)) {
00500 v->current_order.Free();
00501 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00502 } else if (v->dest_tile != 0) {
00503
00504 if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
00505 DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
00506
00507
00508 UpdateVehicleTimetable(v, true);
00509 v->IncrementRealOrderIndex();
00510 v->current_order.MakeDummy();
00511 } else {
00512
00513 if (v->dest_tile == gp.new_tile) {
00514 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00515 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
00516 VehicleEnterDepot(v);
00517 return;
00518 }
00519 } else if (v->current_order.IsType(OT_GOTO_STATION)) {
00520 v->last_station_visited = v->current_order.GetDestination();
00521
00522
00523 Station *st = Station::Get(v->current_order.GetDestination());
00524 if (st->facilities & FACIL_DOCK) {
00525 ShipArrivesAt(v, st);
00526 v->BeginLoading();
00527 } else {
00528 v->current_order.MakeLeaveStation();
00529 v->IncrementRealOrderIndex();
00530 }
00531 }
00532 }
00533 }
00534 }
00535 }
00536 } else {
00537 DiagDirection diagdir;
00538
00539 if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY()) {
00540 goto reverse_direction;
00541 }
00542
00543 dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
00544 assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
00545 diagdir = DirToDiagDir(dir);
00546 tracks = GetAvailShipTracks(gp.new_tile, diagdir);
00547 if (tracks == TRACK_BIT_NONE) goto reverse_direction;
00548
00549
00550 track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
00551 if (track == INVALID_TRACK) goto reverse_direction;
00552
00553 b = _ship_subcoord[diagdir][track];
00554
00555 gp.x = (gp.x & ~0xF) | b[0];
00556 gp.y = (gp.y & ~0xF) | b[1];
00557
00558
00559 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00560 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00561
00562 if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
00563 v->tile = gp.new_tile;
00564 v->state = TrackToTrackBits(track);
00565 }
00566
00567 v->direction = (Direction)b[2];
00568 }
00569 } else {
00570
00571 if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
00572 v->x_pos = gp.x;
00573 v->y_pos = gp.y;
00574 VehicleMove(v, !(v->vehstatus & VS_HIDDEN));
00575 return;
00576 }
00577 }
00578
00579
00580 dir = ShipGetNewDirection(v, gp.x, gp.y);
00581 v->x_pos = gp.x;
00582 v->y_pos = gp.y;
00583 v->z_pos = GetSlopeZ(gp.x, gp.y);
00584
00585 getout:
00586 v->UpdateViewport(true, true);
00587 return;
00588
00589 reverse_direction:
00590 dir = ReverseDir(v->direction);
00591 v->direction = dir;
00592 goto getout;
00593 }
00594
00595 bool Ship::Tick()
00596 {
00597 if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
00598
00599 ShipController(this);
00600
00601 return true;
00602 }
00603
00613 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, uint16 data, Vehicle **ret)
00614 {
00615 tile = GetShipDepotNorthTile(tile);
00616 UnitID unit_num;
00617
00618 if (!IsEngineBuildable(e->index, VEH_SHIP, _current_company)) return_cmd_error(STR_ERROR_SHIP_NOT_AVAILABLE);
00619
00620 CommandCost value(EXPENSES_NEW_VEHICLES, e->GetCost());
00621
00622
00623 if (e->GetDefaultCargoType() == CT_INVALID) return CMD_ERROR;
00624
00625 if (flags & DC_QUERY_COST) return value;
00626
00627
00628
00629 if (!IsShipDepotTile(tile)) return CMD_ERROR;
00630 if (!IsInfraUsageAllowed(VEH_SHIP, _current_company, GetTileOwner(tile))) return CMD_ERROR;
00631
00632 unit_num = (flags & DC_AUTOREPLACE) ? 0 : GetFreeUnitNumber(VEH_SHIP);
00633
00634 if (!Vehicle::CanAllocateItem() || unit_num > _settings_game.vehicle.max_ships)
00635 return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
00636
00637 if (flags & DC_EXEC) {
00638 int x;
00639 int y;
00640
00641 const ShipVehicleInfo *svi = &e->u.ship;
00642
00643 Ship *v = new Ship();
00644 *ret = v;
00645
00646 v->owner = _current_company;
00647 v->tile = tile;
00648 x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
00649 y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
00650 v->x_pos = x;
00651 v->y_pos = y;
00652 v->z_pos = GetSlopeZ(x, y);
00653
00654 v->UpdateDeltaXY(v->direction);
00655 v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
00656
00657 v->spritenum = svi->image_index;
00658 v->cargo_type = e->GetDefaultCargoType();
00659 v->cargo_cap = svi->capacity;
00660
00661 v->last_station_visited = INVALID_STATION;
00662 v->last_loading_station = INVALID_STATION;
00663
00664 v->engine_type = e->index;
00665
00666 v->reliability = e->reliability;
00667 v->reliability_spd_dec = e->reliability_spd_dec;
00668 v->breakdown_chance = 64;
00669 v->max_age = e->GetLifeLengthInDays();
00670 _new_vehicle_id = v->index;
00671
00672 v->state = TRACK_BIT_DEPOT;
00673
00674 v->service_interval = Company::Get(_current_company)->settings.vehicle.servint_ships;
00675 v->date_of_last_service = _date;
00676 v->build_year = _cur_year;
00677 v->cur_image = SPR_IMG_QUERY;
00678 v->random_bits = VehicleRandomBits();
00679
00680 v->UpdateCache();
00681
00682 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
00683
00684 v->InvalidateNewGRFCacheOfChain();
00685
00686 v->cargo_cap = GetVehicleCapacity(v);
00687
00688 v->InvalidateNewGRFCacheOfChain();
00689
00690 VehicleMove(v, false);
00691 }
00692
00693 return CommandCost();
00694 }
00695
00696 bool Ship::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
00697 {
00698 const Depot *depot = FindClosestShipDepot(this, 0);
00699
00700 if (depot == NULL) return false;
00701
00702 if (location != NULL) *location = depot->xy;
00703 if (destination != NULL) *destination = depot->index;
00704
00705 return true;
00706 }