ship_cmd.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
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 "company_base.h"
00035 
00036 #include "table/strings.h"
00037 
00038 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
00039 
00040 static inline TrackBits GetTileShipTrackStatus(TileIndex tile)
00041 {
00042   return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
00043 }
00044 
00045 static SpriteID GetShipIcon(EngineID engine)
00046 {
00047   const Engine *e = Engine::Get(engine);
00048   uint8 spritenum = e->u.ship.image_index;
00049 
00050   if (is_custom_sprite(spritenum)) {
00051     SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
00052     if (sprite != 0) return sprite;
00053 
00054     spritenum = e->original_image_index;
00055   }
00056 
00057   return DIR_W + _ship_sprites[spritenum];
00058 }
00059 
00060 void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
00061 {
00062   SpriteID sprite = GetShipIcon(engine);
00063   const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
00064   preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
00065   DrawSprite(sprite, pal, preferred_x, y);
00066 }
00067 
00074 void GetShipSpriteSize(EngineID engine, uint &width, uint &height)
00075 {
00076   const Sprite *spr = GetSprite(GetShipIcon(engine), ST_NORMAL);
00077 
00078   width  = spr->width;
00079   height = spr->height;
00080 }
00081 
00082 SpriteID Ship::GetImage(Direction direction) const
00083 {
00084   uint8 spritenum = this->spritenum;
00085 
00086   if (is_custom_sprite(spritenum)) {
00087     SpriteID sprite = GetCustomVehicleSprite(this, direction);
00088     if (sprite != 0) return sprite;
00089 
00090     spritenum = Engine::Get(this->engine_type)->original_image_index;
00091   }
00092 
00093   return _ship_sprites[spritenum] + direction;
00094 }
00095 
00096 static const Depot *FindClosestShipDepot(const Vehicle *v, uint max_distance)
00097 {
00098   /* Find the closest depot */
00099   const Depot *depot;
00100   const Depot *best_depot = NULL;
00101   /* If we don't have a maximum distance, i.e. distance = 0,
00102    * we want to find any depot so the best distance of no
00103    * depot must be more than any correct distance. On the
00104    * other hand if we have set a maximum distance, any depot
00105    * further away than max_distance can safely be ignored. */
00106   uint best_dist = max_distance == 0 ? UINT_MAX : max_distance + 1;
00107 
00108   FOR_ALL_DEPOTS(depot) {
00109     TileIndex tile = depot->xy;
00110     if (IsShipDepotTile(tile) && IsTileOwner(tile, v->owner)) {
00111       uint dist = DistanceManhattan(tile, v->tile);
00112       if (dist < best_dist) {
00113         best_dist = dist;
00114         best_depot = depot;
00115       }
00116     }
00117   }
00118 
00119   return best_depot;
00120 }
00121 
00122 static void CheckIfShipNeedsService(Vehicle *v)
00123 {
00124   if (Company::Get(v->owner)->settings.vehicle.servint_ships == 0 || !v->NeedsAutomaticServicing()) return;
00125   if (v->IsInDepot()) {
00126     VehicleServiceInDepot(v);
00127     return;
00128   }
00129 
00130   uint max_distance;
00131   switch (_settings_game.pf.pathfinder_for_ships) {
00132     case VPF_OPF:  max_distance = 12; break;
00133     case VPF_NPF:  max_distance = _settings_game.pf.npf.maximum_go_to_depot_penalty  / NPF_TILE_LENGTH;  break;
00134     case VPF_YAPF: max_distance = _settings_game.pf.yapf.maximum_go_to_depot_penalty / YAPF_TILE_LENGTH; break;
00135     default: NOT_REACHED();
00136   }
00137 
00138   const Depot *depot = FindClosestShipDepot(v, max_distance);
00139 
00140   if (depot == NULL) {
00141     if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00142       v->current_order.MakeDummy();
00143       SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00144     }
00145     return;
00146   }
00147 
00148   v->current_order.MakeGoToDepot(depot->index, ODTFB_SERVICE);
00149   v->dest_tile = depot->xy;
00150   SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00151 }
00152 
00156 void Ship::UpdateCache()
00157 {
00158   this->vcache.cached_max_speed = GetVehicleProperty(this, PROP_SHIP_SPEED, ShipVehInfo(this->engine_type)->max_speed);
00159 
00160   this->UpdateVisualEffect();
00161 }
00162 
00163 Money Ship::GetRunningCost() const
00164 {
00165   const Engine *e = Engine::Get(this->engine_type);
00166   uint cost_factor = GetVehicleProperty(this, PROP_SHIP_RUNNING_COST_FACTOR, e->u.ship.running_cost);
00167   return GetPrice(PR_RUNNING_SHIP, cost_factor, e->grf_prop.grffile);
00168 }
00169 
00170 void Ship::OnNewDay()
00171 {
00172   if ((++this->day_counter & 7) == 0) {
00173     DecreaseVehicleValue(this);
00174   }
00175 
00176   CheckVehicleBreakdown(this);
00177   AgeVehicle(this);
00178   CheckIfShipNeedsService(this);
00179 
00180   CheckOrders(this);
00181 
00182   if (this->running_ticks == 0) return;
00183 
00184   CommandCost cost(EXPENSES_SHIP_RUN, this->GetRunningCost() * this->running_ticks / (DAYS_IN_YEAR * DAY_TICKS));
00185 
00186   this->profit_this_year -= cost.GetCost();
00187   this->running_ticks = 0;
00188 
00189   SubtractMoneyFromCompanyFract(this->owner, cost);
00190 
00191   SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
00192   /* we need this for the profit */
00193   SetWindowClassesDirty(WC_SHIPS_LIST);
00194 }
00195 
00196 Trackdir Ship::GetVehicleTrackdir() const
00197 {
00198   if (this->vehstatus & VS_CRASHED) return INVALID_TRACKDIR;
00199 
00200   if (this->IsInDepot()) {
00201     /* We'll assume the ship is facing outwards */
00202     return DiagDirToDiagTrackdir(GetShipDepotDirection(this->tile));
00203   }
00204 
00205   if (this->state == TRACK_BIT_WORMHOLE) {
00206     /* ship on aqueduct, so just use his direction and assume a diagonal track */
00207     return DiagDirToDiagTrackdir(DirToDiagDir(this->direction));
00208   }
00209 
00210   return TrackDirectionToTrackdir(FindFirstTrack(this->state), this->direction);
00211 }
00212 
00213 void Ship::MarkDirty()
00214 {
00215   this->UpdateViewport(false, false);
00216   this->UpdateCache();
00217 }
00218 
00219 static void PlayShipSound(const Vehicle *v)
00220 {
00221   if (!PlayVehicleSound(v, VSE_START)) {
00222     SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
00223   }
00224 }
00225 
00226 void Ship::PlayLeaveStationSound() const
00227 {
00228   PlayShipSound(this);
00229 }
00230 
00231 TileIndex Ship::GetOrderStationLocation(StationID station)
00232 {
00233   if (station == this->last_station_visited) this->last_station_visited = INVALID_STATION;
00234 
00235   const Station *st = Station::Get(station);
00236   if (st->dock_tile != INVALID_TILE) {
00237     return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
00238   } else {
00239     this->IncrementRealOrderIndex();
00240     return 0;
00241   }
00242 }
00243 
00244 void Ship::UpdateDeltaXY(Direction direction)
00245 {
00246 #define MKIT(a, b, c, d) ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) | ((d & 0xFF) << 0)
00247   static const uint32 _delta_xy_table[8] = {
00248     MKIT( 6,  6,  -3,  -3),
00249     MKIT( 6, 32,  -3, -16),
00250     MKIT( 6,  6,  -3,  -3),
00251     MKIT(32,  6, -16,  -3),
00252     MKIT( 6,  6,  -3,  -3),
00253     MKIT( 6, 32,  -3, -16),
00254     MKIT( 6,  6,  -3,  -3),
00255     MKIT(32,  6, -16,  -3),
00256   };
00257 #undef MKIT
00258 
00259   uint32 x = _delta_xy_table[direction];
00260   this->x_offs        = GB(x,  0, 8);
00261   this->y_offs        = GB(x,  8, 8);
00262   this->x_extent      = GB(x, 16, 8);
00263   this->y_extent      = GB(x, 24, 8);
00264   this->z_extent      = 6;
00265 }
00266 
00267 static const TileIndexDiffC _ship_leave_depot_offs[] = {
00268   {-1,  0},
00269   { 0, -1}
00270 };
00271 
00272 static bool CheckShipLeaveDepot(Ship *v)
00273 {
00274   if (!v->IsInDepot()) return false;
00275 
00276   /* We are leaving a depot, but have to go to the exact same one; re-enter */
00277   if (v->current_order.IsType(OT_GOTO_DEPOT) &&
00278       IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
00279     VehicleEnterDepot(v);
00280     return true;
00281   }
00282 
00283   TileIndex tile = v->tile;
00284   Axis axis = GetShipDepotAxis(tile);
00285 
00286   /* Check first (north) side */
00287   if (DiagdirReachesTracks((DiagDirection)axis) & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00288     v->direction = ReverseDir(AxisToDirection(axis));
00289   /* Check second (south) side */
00290   } else if (DiagdirReachesTracks((DiagDirection)(axis + 2)) & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00291     v->direction = AxisToDirection(axis);
00292   } else {
00293     return false;
00294   }
00295 
00296   v->state = AxisToTrackBits(axis);
00297   v->vehstatus &= ~VS_HIDDEN;
00298 
00299   v->cur_speed = 0;
00300   v->UpdateViewport(false, true);
00301   SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
00302 
00303   PlayShipSound(v);
00304   VehicleServiceInDepot(v);
00305   InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00306   SetWindowClassesDirty(WC_SHIPS_LIST);
00307 
00308   return false;
00309 }
00310 
00311 static bool ShipAccelerate(Vehicle *v)
00312 {
00313   uint spd;
00314   byte t;
00315 
00316   spd = min(v->cur_speed + 1, v->vcache.cached_max_speed);
00317 
00318   /* updates statusbar only if speed have changed to save CPU time */
00319   if (spd != v->cur_speed) {
00320     v->cur_speed = spd;
00321     SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00322   }
00323 
00324   /* Convert direction-indepenent speed into direction-dependent speed. (old movement method) */
00325   spd = v->GetOldAdvanceSpeed(spd);
00326 
00327   if (spd == 0) return false;
00328   if ((byte)++spd == 0) return true;
00329 
00330   v->progress = (t = v->progress) - (byte)spd;
00331 
00332   return (t < v->progress);
00333 }
00334 
00340 static void ShipArrivesAt(const Vehicle *v, Station *st)
00341 {
00342   /* Check if station was ever visited before */
00343   if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
00344     st->had_vehicle_of_type |= HVOT_SHIP;
00345 
00346     SetDParam(0, st->index);
00347     AddVehicleNewsItem(
00348       STR_NEWS_FIRST_SHIP_ARRIVAL,
00349       (v->owner == _local_company) ? NS_ARRIVAL_COMPANY : NS_ARRIVAL_OTHER,
00350       v->index,
00351       st->index
00352     );
00353     AI::NewEvent(v->owner, new AIEventStationFirstVehicle(st->index, v->index));
00354   }
00355 }
00356 
00357 
00363 static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
00364 {
00365   assert(IsValidDiagDirection(enterdir));
00366 
00367   bool path_found = true;
00368   Track track;
00369   switch (_settings_game.pf.pathfinder_for_ships) {
00370     case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00371     case VPF_NPF: track = NPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00372     case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00373     default: NOT_REACHED();
00374   }
00375 
00376   v->HandlePathfindingResult(path_found);
00377   return track;
00378 }
00379 
00380 static const Direction _new_vehicle_direction_table[] = {
00381   DIR_N , DIR_NW, DIR_W , INVALID_DIR,
00382   DIR_NE, DIR_N , DIR_SW, INVALID_DIR,
00383   DIR_E , DIR_SE, DIR_S
00384 };
00385 
00386 static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
00387 {
00388   uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
00389               TileX(new_tile) - TileX(old_tile) + 1;
00390   assert(offs < 11 && offs != 3 && offs != 7);
00391   return _new_vehicle_direction_table[offs];
00392 }
00393 
00394 static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
00395 {
00396   uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
00397   assert(offs < 11 && offs != 3 && offs != 7);
00398   return _new_vehicle_direction_table[offs];
00399 }
00400 
00401 static inline TrackBits GetAvailShipTracks(TileIndex tile, DiagDirection dir)
00402 {
00403   return GetTileShipTrackStatus(tile) & DiagdirReachesTracks(dir);
00404 }
00405 
00406 static const byte _ship_subcoord[4][6][3] = {
00407   {
00408     {15, 8, 1},
00409     { 0, 0, 0},
00410     { 0, 0, 0},
00411     {15, 8, 2},
00412     {15, 7, 0},
00413     { 0, 0, 0},
00414   },
00415   {
00416     { 0, 0, 0},
00417     { 8, 0, 3},
00418     { 7, 0, 2},
00419     { 0, 0, 0},
00420     { 8, 0, 4},
00421     { 0, 0, 0},
00422   },
00423   {
00424     { 0, 8, 5},
00425     { 0, 0, 0},
00426     { 0, 7, 6},
00427     { 0, 0, 0},
00428     { 0, 0, 0},
00429     { 0, 8, 4},
00430   },
00431   {
00432     { 0, 0, 0},
00433     { 8, 15, 7},
00434     { 0, 0, 0},
00435     { 8, 15, 6},
00436     { 0, 0, 0},
00437     { 7, 15, 0},
00438   }
00439 };
00440 
00441 static void ShipController(Ship *v)
00442 {
00443   uint32 r;
00444   const byte *b;
00445   Direction dir;
00446   Track track;
00447   TrackBits tracks;
00448 
00449   v->tick_counter++;
00450   v->current_order_time++;
00451 
00452   if (v->HandleBreakdown()) return;
00453 
00454   if (v->vehstatus & VS_STOPPED) return;
00455 
00456   ProcessOrders(v);
00457   v->HandleLoading();
00458 
00459   if (v->current_order.IsType(OT_LOADING)) return;
00460 
00461   if (CheckShipLeaveDepot(v)) return;
00462 
00463   v->ShowVisualEffect();
00464 
00465   if (!ShipAccelerate(v)) return;
00466 
00467   GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00468   if (v->state != TRACK_BIT_WORMHOLE) {
00469     /* Not on a bridge */
00470     if (gp.old_tile == gp.new_tile) {
00471       /* Staying in tile */
00472       if (v->IsInDepot()) {
00473         gp.x = v->x_pos;
00474         gp.y = v->y_pos;
00475       } else {
00476         /* Not inside depot */
00477         r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00478         if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00479 
00480         /* A leave station order only needs one tick to get processed, so we can
00481          * always skip ahead. */
00482         if (v->current_order.IsType(OT_LEAVESTATION)) {
00483           v->current_order.Free();
00484           SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00485         } else if (v->dest_tile != 0) {
00486           /* We have a target, let's see if we reached it... */
00487           if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
00488               DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
00489             /* We got within 3 tiles of our target buoy, so let's skip to our
00490              * next order */
00491             UpdateVehicleTimetable(v, true);
00492             v->IncrementRealOrderIndex();
00493             v->current_order.MakeDummy();
00494           } else {
00495             /* Non-buoy orders really need to reach the tile */
00496             if (v->dest_tile == gp.new_tile) {
00497               if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00498                 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
00499                   VehicleEnterDepot(v);
00500                   return;
00501                 }
00502               } else if (v->current_order.IsType(OT_GOTO_STATION)) {
00503                 v->last_station_visited = v->current_order.GetDestination();
00504 
00505                 /* Process station in the orderlist. */
00506                 Station *st = Station::Get(v->current_order.GetDestination());
00507                 if (st->facilities & FACIL_DOCK) { // ugly, ugly workaround for problem with ships able to drop off cargo at wrong stations
00508                   ShipArrivesAt(v, st);
00509                   v->BeginLoading();
00510                 } else { // leave stations without docks right aways
00511                   v->current_order.MakeLeaveStation();
00512                   v->IncrementRealOrderIndex();
00513                 }
00514               }
00515             }
00516           }
00517         }
00518       }
00519     } else {
00520       DiagDirection diagdir;
00521       /* New tile */
00522       if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY()) {
00523         goto reverse_direction;
00524       }
00525 
00526       dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
00527       assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
00528       diagdir = DirToDiagDir(dir);
00529       tracks = GetAvailShipTracks(gp.new_tile, diagdir);
00530       if (tracks == TRACK_BIT_NONE) goto reverse_direction;
00531 
00532       /* Choose a direction, and continue if we find one */
00533       track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
00534       if (track == INVALID_TRACK) goto reverse_direction;
00535 
00536       b = _ship_subcoord[diagdir][track];
00537 
00538       gp.x = (gp.x & ~0xF) | b[0];
00539       gp.y = (gp.y & ~0xF) | b[1];
00540 
00541       /* Call the landscape function and tell it that the vehicle entered the tile */
00542       r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00543       if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00544 
00545       if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
00546         v->tile = gp.new_tile;
00547         v->state = TrackToTrackBits(track);
00548       }
00549 
00550       v->direction = (Direction)b[2];
00551     }
00552   } else {
00553     /* On a bridge */
00554     if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
00555       v->x_pos = gp.x;
00556       v->y_pos = gp.y;
00557       VehicleMove(v, !(v->vehstatus & VS_HIDDEN));
00558       return;
00559     }
00560   }
00561 
00562   /* update image of ship, as well as delta XY */
00563   dir = ShipGetNewDirection(v, gp.x, gp.y);
00564   v->x_pos = gp.x;
00565   v->y_pos = gp.y;
00566   v->z_pos = GetSlopeZ(gp.x, gp.y);
00567 
00568 getout:
00569   v->UpdateViewport(true, true);
00570   return;
00571 
00572 reverse_direction:
00573   dir = ReverseDir(v->direction);
00574   v->direction = dir;
00575   goto getout;
00576 }
00577 
00578 bool Ship::Tick()
00579 {
00580   if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
00581 
00582   ShipController(this);
00583 
00584   return true;
00585 }
00586 
00596 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, uint16 data, Vehicle **ret)
00597 {
00598   tile = GetShipDepotNorthTile(tile);
00599   if (flags & DC_EXEC) {
00600     int x;
00601     int y;
00602 
00603     const ShipVehicleInfo *svi = &e->u.ship;
00604 
00605     Ship *v = new Ship();
00606     *ret = v;
00607 
00608     v->owner = _current_company;
00609     v->tile = tile;
00610     x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
00611     y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
00612     v->x_pos = x;
00613     v->y_pos = y;
00614     v->z_pos = GetSlopeZ(x, y);
00615 
00616     v->UpdateDeltaXY(v->direction);
00617     v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
00618 
00619     v->spritenum = svi->image_index;
00620     v->cargo_type = e->GetDefaultCargoType();
00621     v->cargo_cap = svi->capacity;
00622 
00623     v->last_station_visited = INVALID_STATION;
00624     v->last_loading_station = INVALID_STATION;
00625     v->engine_type = e->index;
00626 
00627     v->reliability = e->reliability;
00628     v->reliability_spd_dec = e->reliability_spd_dec;
00629     v->max_age = e->GetLifeLengthInDays();
00630     _new_vehicle_id = v->index;
00631 
00632     v->state = TRACK_BIT_DEPOT;
00633 
00634     v->service_interval = Company::Get(_current_company)->settings.vehicle.servint_ships;
00635     v->date_of_last_service = _date;
00636     v->build_year = _cur_year;
00637     v->cur_image = SPR_IMG_QUERY;
00638     v->random_bits = VehicleRandomBits();
00639 
00640     v->UpdateCache();
00641 
00642     if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
00643 
00644     v->InvalidateNewGRFCacheOfChain();
00645 
00646     v->cargo_cap = GetVehicleCapacity(v);
00647 
00648     v->InvalidateNewGRFCacheOfChain();
00649 
00650     VehicleMove(v, false);
00651   }
00652 
00653   return CommandCost();
00654 }
00655 
00656 bool Ship::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
00657 {
00658   const Depot *depot = FindClosestShipDepot(this, 0);
00659 
00660   if (depot == NULL) return false;
00661 
00662   if (location    != NULL) *location    = depot->xy;
00663   if (destination != NULL) *destination = depot->index;
00664 
00665   return true;
00666 }

Generated on Sun Jun 5 04:20:03 2011 for OpenTTD by  doxygen 1.6.1