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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 "newgrf_engine.h"
00022 #include "pathfinder/yapf/yapf.h"
00023 #include "newgrf_sound.h"
00024 #include "spritecache.h"
00025 #include "strings_func.h"
00026 #include "window_func.h"
00027 #include "date_func.h"
00028 #include "vehicle_func.h"
00029 #include "sound_func.h"
00030 #include "ai/ai.hpp"
00031 #include "pathfinder/opf/opf_ship.h"
00032 #include "engine_base.h"
00033 #include "company_base.h"
00034 #include "tunnelbridge_map.h"
00035 #include "zoom_func.h"
00036
00037 #include "table/strings.h"
00038
00044 WaterClass GetEffectiveWaterClass(TileIndex tile)
00045 {
00046 if (HasTileWaterClass(tile)) return GetWaterClass(tile);
00047 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
00048 assert(GetTunnelBridgeTransportType(tile) == TRANSPORT_WATER);
00049 return WATER_CLASS_CANAL;
00050 }
00051 if (IsTileType(tile, MP_RAILWAY)) {
00052 assert(GetRailGroundType(tile) == RAIL_GROUND_WATER);
00053 return WATER_CLASS_SEA;
00054 }
00055 NOT_REACHED();
00056 }
00057
00058 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
00059
00060 static inline TrackBits GetTileShipTrackStatus(TileIndex tile)
00061 {
00062 return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
00063 }
00064
00065 static SpriteID GetShipIcon(EngineID engine, EngineImageType image_type)
00066 {
00067 const Engine *e = Engine::Get(engine);
00068 uint8 spritenum = e->u.ship.image_index;
00069
00070 if (is_custom_sprite(spritenum)) {
00071 SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W, image_type);
00072 if (sprite != 0) return sprite;
00073
00074 spritenum = e->original_image_index;
00075 }
00076
00077 return DIR_W + _ship_sprites[spritenum];
00078 }
00079
00080 void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
00081 {
00082 SpriteID sprite = GetShipIcon(engine, image_type);
00083 const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
00084 preferred_x = Clamp(preferred_x, left - UnScaleByZoom(real_sprite->x_offs, ZOOM_LVL_GUI), right - UnScaleByZoom(real_sprite->width, ZOOM_LVL_GUI) - UnScaleByZoom(real_sprite->x_offs, ZOOM_LVL_GUI));
00085 DrawSprite(sprite, pal, preferred_x, y);
00086 }
00087
00094 void GetShipSpriteSize(EngineID engine, uint &width, uint &height, EngineImageType image_type)
00095 {
00096 const Sprite *spr = GetSprite(GetShipIcon(engine, image_type), ST_NORMAL);
00097
00098 width = UnScaleByZoom(spr->width, ZOOM_LVL_GUI);
00099 height = UnScaleByZoom(spr->height, ZOOM_LVL_GUI);
00100 }
00101
00102 SpriteID Ship::GetImage(Direction direction, EngineImageType image_type) const
00103 {
00104 uint8 spritenum = this->spritenum;
00105
00106 if (is_custom_sprite(spritenum)) {
00107 SpriteID sprite = GetCustomVehicleSprite(this, direction, image_type);
00108 if (sprite != 0) return sprite;
00109
00110 spritenum = this->GetEngine()->original_image_index;
00111 }
00112
00113 return _ship_sprites[spritenum] + direction;
00114 }
00115
00116 static const Depot *FindClosestShipDepot(const Vehicle *v, uint max_distance)
00117 {
00118
00119 const Depot *depot;
00120 const Depot *best_depot = NULL;
00121
00122
00123
00124
00125
00126 uint best_dist = max_distance == 0 ? UINT_MAX : max_distance + 1;
00127
00128 FOR_ALL_DEPOTS(depot) {
00129 TileIndex tile = depot->xy;
00130 if (IsShipDepotTile(tile) && IsTileOwner(tile, v->owner)) {
00131 uint dist = DistanceManhattan(tile, v->tile);
00132 if (dist < best_dist) {
00133 best_dist = dist;
00134 best_depot = depot;
00135 }
00136 }
00137 }
00138
00139 return best_depot;
00140 }
00141
00142 static void CheckIfShipNeedsService(Vehicle *v)
00143 {
00144 if (Company::Get(v->owner)->settings.vehicle.servint_ships == 0 || !v->NeedsAutomaticServicing()) return;
00145 if (v->IsChainInDepot()) {
00146 VehicleServiceInDepot(v);
00147 return;
00148 }
00149
00150 uint max_distance;
00151 switch (_settings_game.pf.pathfinder_for_ships) {
00152 case VPF_OPF: max_distance = 12; break;
00153 case VPF_NPF: max_distance = _settings_game.pf.npf.maximum_go_to_depot_penalty / NPF_TILE_LENGTH; break;
00154 case VPF_YAPF: max_distance = _settings_game.pf.yapf.maximum_go_to_depot_penalty / YAPF_TILE_LENGTH; break;
00155 default: NOT_REACHED();
00156 }
00157
00158 const Depot *depot = FindClosestShipDepot(v, max_distance);
00159
00160 if (depot == NULL) {
00161 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00162 v->current_order.MakeDummy();
00163 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
00164 }
00165 return;
00166 }
00167
00168 v->current_order.MakeGoToDepot(depot->index, ODTFB_SERVICE);
00169 v->dest_tile = depot->xy;
00170 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
00171 }
00172
00176 void Ship::UpdateCache()
00177 {
00178 const ShipVehicleInfo *svi = ShipVehInfo(this->engine_type);
00179
00180
00181 bool is_ocean = GetEffectiveWaterClass(this->tile) == WATER_CLASS_SEA;
00182 uint raw_speed = GetVehicleProperty(this, PROP_SHIP_SPEED, svi->max_speed);
00183 this->vcache.cached_max_speed = svi->ApplyWaterClassSpeedFrac(raw_speed, is_ocean);
00184
00185
00186 this->vcache.cached_cargo_age_period = GetVehicleProperty(this, PROP_SHIP_CARGO_AGE_PERIOD, EngInfo(this->engine_type)->cargo_age_period);
00187
00188 this->UpdateVisualEffect();
00189 }
00190
00191 Money Ship::GetRunningCost() const
00192 {
00193 const Engine *e = this->GetEngine();
00194 uint cost_factor = GetVehicleProperty(this, PROP_SHIP_RUNNING_COST_FACTOR, e->u.ship.running_cost);
00195 return GetPrice(PR_RUNNING_SHIP, cost_factor, e->GetGRF());
00196 }
00197
00198 void Ship::OnNewDay()
00199 {
00200 if ((++this->day_counter & 7) == 0) {
00201 DecreaseVehicleValue(this);
00202 }
00203
00204 CheckVehicleBreakdown(this);
00205 AgeVehicle(this);
00206 CheckIfShipNeedsService(this);
00207
00208 CheckOrders(this);
00209
00210 if (this->running_ticks == 0) return;
00211
00212 CommandCost cost(EXPENSES_SHIP_RUN, this->GetRunningCost() * this->running_ticks / (DAYS_IN_YEAR * DAY_TICKS));
00213
00214 this->profit_this_year -= cost.GetCost();
00215 this->running_ticks = 0;
00216
00217 SubtractMoneyFromCompanyFract(this->owner, cost);
00218
00219 SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
00220
00221 SetWindowClassesDirty(WC_SHIPS_LIST);
00222 }
00223
00224 Trackdir Ship::GetVehicleTrackdir() const
00225 {
00226 if (this->vehstatus & VS_CRASHED) return INVALID_TRACKDIR;
00227
00228 if (this->IsInDepot()) {
00229
00230 return DiagDirToDiagTrackdir(GetShipDepotDirection(this->tile));
00231 }
00232
00233 if (this->state == TRACK_BIT_WORMHOLE) {
00234
00235 return DiagDirToDiagTrackdir(DirToDiagDir(this->direction));
00236 }
00237
00238 return TrackDirectionToTrackdir(FindFirstTrack(this->state), this->direction);
00239 }
00240
00241 void Ship::MarkDirty()
00242 {
00243 this->UpdateViewport(false, false);
00244 this->UpdateCache();
00245 }
00246
00247 static void PlayShipSound(const Vehicle *v)
00248 {
00249 if (!PlayVehicleSound(v, VSE_START)) {
00250 SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
00251 }
00252 }
00253
00254 void Ship::PlayLeaveStationSound() const
00255 {
00256 PlayShipSound(this);
00257 }
00258
00259 TileIndex Ship::GetOrderStationLocation(StationID station)
00260 {
00261 if (station == this->last_station_visited) this->last_station_visited = INVALID_STATION;
00262
00263 const Station *st = Station::Get(station);
00264 if (st->dock_tile != INVALID_TILE) {
00265 return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
00266 } else {
00267 this->IncrementRealOrderIndex();
00268 return 0;
00269 }
00270 }
00271
00272 void Ship::UpdateDeltaXY(Direction direction)
00273 {
00274 static const int8 _delta_xy_table[8][4] = {
00275
00276 { 6, 6, -3, -3},
00277 { 6, 32, -3, -16},
00278 { 6, 6, -3, -3},
00279 {32, 6, -16, -3},
00280 { 6, 6, -3, -3},
00281 { 6, 32, -3, -16},
00282 { 6, 6, -3, -3},
00283 {32, 6, -16, -3},
00284 };
00285
00286 const int8 *bb = _delta_xy_table[direction];
00287 this->x_offs = bb[3];
00288 this->y_offs = bb[2];
00289 this->x_extent = bb[1];
00290 this->y_extent = bb[0];
00291 this->z_extent = 6;
00292 }
00293
00294 static const TileIndexDiffC _ship_leave_depot_offs[] = {
00295 {-1, 0},
00296 { 0, -1}
00297 };
00298
00299 static bool CheckShipLeaveDepot(Ship *v)
00300 {
00301 if (!v->IsChainInDepot()) return false;
00302
00303
00304 if (v->current_order.IsType(OT_GOTO_DEPOT) &&
00305 IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
00306 VehicleEnterDepot(v);
00307 return true;
00308 }
00309
00310 TileIndex tile = v->tile;
00311 Axis axis = GetShipDepotAxis(tile);
00312
00313 DiagDirection north_dir = ReverseDiagDir(AxisToDiagDir(axis));
00314 TileIndex north_neighbour = TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis]));
00315 DiagDirection south_dir = AxisToDiagDir(axis);
00316 TileIndex south_neighbour = TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis]));
00317
00318 TrackBits north_tracks = DiagdirReachesTracks(north_dir) & GetTileShipTrackStatus(north_neighbour);
00319 TrackBits south_tracks = DiagdirReachesTracks(south_dir) & GetTileShipTrackStatus(south_neighbour);
00320 if (north_tracks && south_tracks) {
00321
00322 bool reverse = false;
00323 bool path_found;
00324 switch (_settings_game.pf.pathfinder_for_ships) {
00325 case VPF_OPF: reverse = OPFShipChooseTrack(v, north_neighbour, north_dir, north_tracks, path_found) == INVALID_TRACK; break;
00326 case VPF_NPF: reverse = NPFShipCheckReverse(v); break;
00327 case VPF_YAPF: reverse = YapfShipCheckReverse(v); break;
00328 default: NOT_REACHED();
00329 }
00330 if (reverse) north_tracks = TRACK_BIT_NONE;
00331 }
00332
00333 if (north_tracks) {
00334
00335 v->direction = DiagDirToDir(north_dir);
00336 } else if (south_tracks) {
00337
00338 v->direction = DiagDirToDir(south_dir);
00339 } else {
00340
00341 return false;
00342 }
00343
00344 v->state = AxisToTrackBits(axis);
00345 v->vehstatus &= ~VS_HIDDEN;
00346
00347 v->cur_speed = 0;
00348 v->UpdateViewport(true, true);
00349 SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
00350
00351 PlayShipSound(v);
00352 VehicleServiceInDepot(v);
00353 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00354 SetWindowClassesDirty(WC_SHIPS_LIST);
00355
00356 return false;
00357 }
00358
00359 static bool ShipAccelerate(Vehicle *v)
00360 {
00361 uint spd;
00362 byte t;
00363
00364 spd = min(v->cur_speed + 1, v->vcache.cached_max_speed);
00365 spd = min(spd, v->current_order.max_speed * 2);
00366
00367
00368 if (spd != v->cur_speed) {
00369 v->cur_speed = spd;
00370 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
00371 }
00372
00373
00374 spd = v->GetOldAdvanceSpeed(spd);
00375
00376 if (spd == 0) return false;
00377 if ((byte)++spd == 0) return true;
00378
00379 v->progress = (t = v->progress) - (byte)spd;
00380
00381 return (t < v->progress);
00382 }
00383
00389 static void ShipArrivesAt(const Vehicle *v, Station *st)
00390 {
00391
00392 if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
00393 st->had_vehicle_of_type |= HVOT_SHIP;
00394
00395 SetDParam(0, st->index);
00396 AddVehicleNewsItem(
00397 STR_NEWS_FIRST_SHIP_ARRIVAL,
00398 (v->owner == _local_company) ? NT_ARRIVAL_COMPANY : NT_ARRIVAL_OTHER,
00399 v->index,
00400 st->index
00401 );
00402 AI::NewEvent(v->owner, new ScriptEventStationFirstVehicle(st->index, v->index));
00403 }
00404 }
00405
00406
00416 static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
00417 {
00418 assert(IsValidDiagDirection(enterdir));
00419
00420 bool path_found = true;
00421 Track track;
00422 switch (_settings_game.pf.pathfinder_for_ships) {
00423 case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00424 case VPF_NPF: track = NPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00425 case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00426 default: NOT_REACHED();
00427 }
00428
00429 v->HandlePathfindingResult(path_found);
00430 return track;
00431 }
00432
00433 static const Direction _new_vehicle_direction_table[] = {
00434 DIR_N , DIR_NW, DIR_W , INVALID_DIR,
00435 DIR_NE, DIR_N , DIR_SW, INVALID_DIR,
00436 DIR_E , DIR_SE, DIR_S
00437 };
00438
00439 static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
00440 {
00441 uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
00442 TileX(new_tile) - TileX(old_tile) + 1;
00443 assert(offs < 11 && offs != 3 && offs != 7);
00444 return _new_vehicle_direction_table[offs];
00445 }
00446
00447 static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
00448 {
00449 uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
00450 assert(offs < 11 && offs != 3 && offs != 7);
00451 return _new_vehicle_direction_table[offs];
00452 }
00453
00454 static inline TrackBits GetAvailShipTracks(TileIndex tile, DiagDirection dir)
00455 {
00456 return GetTileShipTrackStatus(tile) & DiagdirReachesTracks(dir);
00457 }
00458
00459 static const byte _ship_subcoord[4][6][3] = {
00460 {
00461 {15, 8, 1},
00462 { 0, 0, 0},
00463 { 0, 0, 0},
00464 {15, 8, 2},
00465 {15, 7, 0},
00466 { 0, 0, 0},
00467 },
00468 {
00469 { 0, 0, 0},
00470 { 8, 0, 3},
00471 { 7, 0, 2},
00472 { 0, 0, 0},
00473 { 8, 0, 4},
00474 { 0, 0, 0},
00475 },
00476 {
00477 { 0, 8, 5},
00478 { 0, 0, 0},
00479 { 0, 7, 6},
00480 { 0, 0, 0},
00481 { 0, 0, 0},
00482 { 0, 8, 4},
00483 },
00484 {
00485 { 0, 0, 0},
00486 { 8, 15, 7},
00487 { 0, 0, 0},
00488 { 8, 15, 6},
00489 { 0, 0, 0},
00490 { 7, 15, 0},
00491 }
00492 };
00493
00494 static void ShipController(Ship *v)
00495 {
00496 uint32 r;
00497 const byte *b;
00498 Direction dir;
00499 Track track;
00500 TrackBits tracks;
00501
00502 v->tick_counter++;
00503 v->current_order_time++;
00504
00505 if (v->HandleBreakdown()) return;
00506
00507 if (v->vehstatus & VS_STOPPED) return;
00508
00509 ProcessOrders(v);
00510 v->HandleLoading();
00511
00512 if (v->current_order.IsType(OT_LOADING)) return;
00513
00514 if (CheckShipLeaveDepot(v)) return;
00515
00516 v->ShowVisualEffect();
00517
00518 if (!ShipAccelerate(v)) return;
00519
00520 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00521 if (v->state != TRACK_BIT_WORMHOLE) {
00522
00523 if (gp.old_tile == gp.new_tile) {
00524
00525 if (v->IsInDepot()) {
00526 gp.x = v->x_pos;
00527 gp.y = v->y_pos;
00528 } else {
00529
00530 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00531 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00532
00533
00534
00535 if (v->current_order.IsType(OT_LEAVESTATION)) {
00536 v->current_order.Free();
00537 SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
00538 } else if (v->dest_tile != 0) {
00539
00540 if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
00541 DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
00542
00543
00544 UpdateVehicleTimetable(v, true);
00545 v->IncrementRealOrderIndex();
00546 v->current_order.MakeDummy();
00547 } else {
00548
00549 if (v->dest_tile == gp.new_tile) {
00550 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00551 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
00552 VehicleEnterDepot(v);
00553 return;
00554 }
00555 } else if (v->current_order.IsType(OT_GOTO_STATION)) {
00556 v->last_station_visited = v->current_order.GetDestination();
00557
00558
00559 Station *st = Station::Get(v->current_order.GetDestination());
00560 if (st->facilities & FACIL_DOCK) {
00561 ShipArrivesAt(v, st);
00562 v->BeginLoading();
00563 } else {
00564 v->current_order.MakeLeaveStation();
00565 v->IncrementRealOrderIndex();
00566 }
00567 }
00568 }
00569 }
00570 }
00571 }
00572 } else {
00573
00574 if (!IsValidTile(gp.new_tile)) goto reverse_direction;
00575
00576 dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
00577 assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
00578 DiagDirection diagdir = DirToDiagDir(dir);
00579 tracks = GetAvailShipTracks(gp.new_tile, diagdir);
00580 if (tracks == TRACK_BIT_NONE) goto reverse_direction;
00581
00582
00583 track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
00584 if (track == INVALID_TRACK) goto reverse_direction;
00585
00586 b = _ship_subcoord[diagdir][track];
00587
00588 gp.x = (gp.x & ~0xF) | b[0];
00589 gp.y = (gp.y & ~0xF) | b[1];
00590
00591
00592 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00593 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00594
00595 if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
00596 v->tile = gp.new_tile;
00597 v->state = TrackToTrackBits(track);
00598
00599
00600 WaterClass old_wc = GetEffectiveWaterClass(gp.old_tile);
00601 WaterClass new_wc = GetEffectiveWaterClass(gp.new_tile);
00602 if (old_wc != new_wc) v->UpdateCache();
00603 }
00604
00605 v->direction = (Direction)b[2];
00606 }
00607 } else {
00608
00609 if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
00610 v->x_pos = gp.x;
00611 v->y_pos = gp.y;
00612 VehicleUpdatePosition(v);
00613 if ((v->vehstatus & VS_HIDDEN) == 0) VehicleUpdateViewport(v, true);
00614 return;
00615 }
00616 }
00617
00618
00619 dir = ShipGetNewDirection(v, gp.x, gp.y);
00620 v->x_pos = gp.x;
00621 v->y_pos = gp.y;
00622 v->z_pos = GetSlopePixelZ(gp.x, gp.y);
00623
00624 getout:
00625 VehicleUpdatePosition(v);
00626 v->UpdateViewport(true, true);
00627 return;
00628
00629 reverse_direction:
00630 dir = ReverseDir(v->direction);
00631 v->direction = dir;
00632 goto getout;
00633 }
00634
00635 bool Ship::Tick()
00636 {
00637 if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
00638
00639 ShipController(this);
00640
00641 return true;
00642 }
00643
00653 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, uint16 data, Vehicle **ret)
00654 {
00655 tile = GetShipDepotNorthTile(tile);
00656 if (flags & DC_EXEC) {
00657 int x;
00658 int y;
00659
00660 const ShipVehicleInfo *svi = &e->u.ship;
00661
00662 Ship *v = new Ship();
00663 *ret = v;
00664
00665 v->owner = _current_company;
00666 v->tile = tile;
00667 x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
00668 y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
00669 v->x_pos = x;
00670 v->y_pos = y;
00671 v->z_pos = GetSlopePixelZ(x, y);
00672
00673 v->UpdateDeltaXY(v->direction);
00674 v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
00675
00676 v->spritenum = svi->image_index;
00677 v->cargo_type = e->GetDefaultCargoType();
00678 v->cargo_cap = svi->capacity;
00679
00680 v->last_station_visited = INVALID_STATION;
00681 v->last_loading_station = INVALID_STATION;
00682 v->engine_type = e->index;
00683
00684 v->reliability = e->reliability;
00685 v->reliability_spd_dec = e->reliability_spd_dec;
00686 v->max_age = e->GetLifeLengthInDays();
00687 _new_vehicle_id = v->index;
00688
00689 v->state = TRACK_BIT_DEPOT;
00690
00691 v->service_interval = Company::Get(_current_company)->settings.vehicle.servint_ships;
00692 v->date_of_last_service = _date;
00693 v->build_year = _cur_year;
00694 v->cur_image = SPR_IMG_QUERY;
00695 v->random_bits = VehicleRandomBits();
00696
00697 v->UpdateCache();
00698
00699 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
00700
00701 v->InvalidateNewGRFCacheOfChain();
00702
00703 v->cargo_cap = e->DetermineCapacity(v);
00704
00705 v->InvalidateNewGRFCacheOfChain();
00706
00707 VehicleUpdatePosition(v);
00708 }
00709
00710 return CommandCost();
00711 }
00712
00713 bool Ship::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
00714 {
00715 const Depot *depot = FindClosestShipDepot(this, 0);
00716
00717 if (depot == NULL) return false;
00718
00719 if (location != NULL) *location = depot->xy;
00720 if (destination != NULL) *destination = depot->index;
00721
00722 return true;
00723 }