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 #include "cargotype.h"
00036 
00037 #include "table/strings.h"
00038 
00039 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
00040 
00041 static inline TrackBits GetTileShipTrackStatus(TileIndex tile)
00042 {
00043   return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
00044 }
00045 
00046 static SpriteID GetShipIcon(EngineID engine)
00047 {
00048   const Engine *e = Engine::Get(engine);
00049   uint8 spritenum = e->u.ship.image_index;
00050 
00051   if (is_custom_sprite(spritenum)) {
00052     SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
00053     if (sprite != 0) return sprite;
00054 
00055     spritenum = e->original_image_index;
00056   }
00057 
00058   return DIR_W + _ship_sprites[spritenum];
00059 }
00060 
00061 void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
00062 {
00063   SpriteID sprite = GetShipIcon(engine);
00064   const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
00065   preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
00066   DrawSprite(sprite, pal, preferred_x, y);
00067 }
00068 
00075 void GetShipSpriteSize(EngineID engine, uint &width, uint &height)
00076 {
00077   const Sprite *spr = GetSprite(GetShipIcon(engine), ST_NORMAL);
00078 
00079   width  = spr->width;
00080   height = spr->height;
00081 }
00082 
00083 SpriteID Ship::GetImage(Direction direction) const
00084 {
00085   uint8 spritenum = this->spritenum;
00086 
00087   if (is_custom_sprite(spritenum)) {
00088     SpriteID sprite = GetCustomVehicleSprite(this, direction);
00089     if (sprite != 0) return sprite;
00090 
00091     spritenum = Engine::Get(this->engine_type)->original_image_index;
00092   }
00093 
00094   return _ship_sprites[spritenum] + direction;
00095 }
00096 
00097 static const Depot *FindClosestShipDepot(const Vehicle *v, uint max_distance)
00098 {
00099   /* Find the closest depot */
00100   const Depot *depot;
00101   const Depot *best_depot = NULL;
00102   /* If we don't have a maximum distance, i.e. distance = 0,
00103    * we want to find any depot so the best distance of no
00104    * depot must be more than any correct distance. On the
00105    * other hand if we have set a maximum distance, any depot
00106    * further away than max_distance can safely be ignored. */
00107   uint best_dist = max_distance == 0 ? UINT_MAX : max_distance + 1;
00108 
00109   FOR_ALL_DEPOTS(depot) {
00110     TileIndex tile = depot->xy;
00111     if (IsShipDepotTile(tile) && IsTileOwner(tile, v->owner)) {
00112       uint dist = DistanceManhattan(tile, v->tile);
00113       if (dist < best_dist) {
00114         best_dist = dist;
00115         best_depot = depot;
00116       }
00117     }
00118   }
00119 
00120   return best_depot;
00121 }
00122 
00123 static void CheckIfShipNeedsService(Vehicle *v)
00124 {
00125   if (Company::Get(v->owner)->settings.vehicle.servint_ships == 0 || !v->NeedsAutomaticServicing()) return;
00126   if (v->IsInDepot()) {
00127     VehicleServiceInDepot(v);
00128     return;
00129   }
00130 
00131   uint max_distance;
00132   switch (_settings_game.pf.pathfinder_for_ships) {
00133     case VPF_OPF:  max_distance = 12; break;
00134     case VPF_NPF:  max_distance = _settings_game.pf.npf.maximum_go_to_depot_penalty  / NPF_TILE_LENGTH;  break;
00135     case VPF_YAPF: max_distance = _settings_game.pf.yapf.maximum_go_to_depot_penalty / YAPF_TILE_LENGTH; break;
00136     default: NOT_REACHED();
00137   }
00138 
00139   const Depot *depot = FindClosestShipDepot(v, max_distance);
00140 
00141   if (depot == NULL) {
00142     if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00143       v->current_order.MakeDummy();
00144       SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00145     }
00146     return;
00147   }
00148 
00149   v->current_order.MakeGoToDepot(depot->index, ODTFB_SERVICE);
00150   v->dest_tile = depot->xy;
00151   SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00152 }
00153 
00157 void Ship::UpdateCache()
00158 {
00159   this->vcache.cached_max_speed = GetVehicleProperty(this, PROP_SHIP_SPEED, ShipVehInfo(this->engine_type)->max_speed);
00160   this->vcache.cached_cargo_mask = (this->cargo_type != INVALID_CARGO && this->cargo_cap > 0) ? 1 << this->cargo_type : 0;
00161 
00162   this->UpdateVisualEffect();
00163 }
00164 
00165 Money Ship::GetRunningCost() const
00166 {
00167   const Engine *e = Engine::Get(this->engine_type);
00168   uint cost_factor = GetVehicleProperty(this, PROP_SHIP_RUNNING_COST_FACTOR, e->u.ship.running_cost);
00169   return GetPrice(PR_RUNNING_SHIP, cost_factor, e->grf_prop.grffile);
00170 }
00171 
00172 void Ship::OnNewDay()
00173 {
00174   if ((++this->day_counter & 7) == 0) {
00175     DecreaseVehicleValue(this);
00176   }
00177 
00178   CheckVehicleBreakdown(this);
00179   AgeVehicle(this);
00180   CheckIfShipNeedsService(this);
00181 
00182   CheckOrders(this);
00183 
00184   if (this->running_ticks == 0) return;
00185 
00186   CommandCost cost(EXPENSES_SHIP_RUN, this->GetRunningCost() * this->running_ticks / (DAYS_IN_YEAR * DAY_TICKS));
00187 
00188   this->profit_this_year -= cost.GetCost();
00189   this->running_ticks = 0;
00190 
00191   SubtractMoneyFromCompanyFract(this->owner, cost);
00192 
00193   SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
00194   /* we need this for the profit */
00195   SetWindowClassesDirty(WC_SHIPS_LIST);
00196 }
00197 
00198 Trackdir Ship::GetVehicleTrackdir() const
00199 {
00200   if (this->vehstatus & VS_CRASHED) return INVALID_TRACKDIR;
00201 
00202   if (this->IsInDepot()) {
00203     /* We'll assume the ship is facing outwards */
00204     return DiagDirToDiagTrackdir(GetShipDepotDirection(this->tile));
00205   }
00206 
00207   if (this->state == TRACK_BIT_WORMHOLE) {
00208     /* ship on aqueduct, so just use his direction and assume a diagonal track */
00209     return DiagDirToDiagTrackdir(DirToDiagDir(this->direction));
00210   }
00211 
00212   return TrackDirectionToTrackdir(FindFirstTrack(this->state), this->direction);
00213 }
00214 
00215 void Ship::MarkDirty()
00216 {
00217   this->UpdateViewport(false, false);
00218   this->UpdateCache();
00219 }
00220 
00221 static void PlayShipSound(const Vehicle *v)
00222 {
00223   if (!PlayVehicleSound(v, VSE_START)) {
00224     SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
00225   }
00226 }
00227 
00228 void Ship::PlayLeaveStationSound() const
00229 {
00230   PlayShipSound(this);
00231 }
00232 
00233 TileIndex Ship::GetOrderStationLocation(StationID station)
00234 {
00235   if (station == this->last_station_visited) this->last_station_visited = INVALID_STATION;
00236 
00237   const Station *st = Station::Get(station);
00238   if (st->dock_tile != INVALID_TILE) {
00239     return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
00240   } else {
00241     this->IncrementRealOrderIndex();
00242     return 0;
00243   }
00244 }
00245 
00246 void Ship::UpdateDeltaXY(Direction direction)
00247 {
00248 #define MKIT(a, b, c, d) ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) | ((d & 0xFF) << 0)
00249   static const uint32 _delta_xy_table[8] = {
00250     MKIT( 6,  6,  -3,  -3),
00251     MKIT( 6, 32,  -3, -16),
00252     MKIT( 6,  6,  -3,  -3),
00253     MKIT(32,  6, -16,  -3),
00254     MKIT( 6,  6,  -3,  -3),
00255     MKIT( 6, 32,  -3, -16),
00256     MKIT( 6,  6,  -3,  -3),
00257     MKIT(32,  6, -16,  -3),
00258   };
00259 #undef MKIT
00260 
00261   uint32 x = _delta_xy_table[direction];
00262   this->x_offs        = GB(x,  0, 8);
00263   this->y_offs        = GB(x,  8, 8);
00264   this->x_extent      = GB(x, 16, 8);
00265   this->y_extent      = GB(x, 24, 8);
00266   this->z_extent      = 6;
00267 }
00268 
00269 static const TileIndexDiffC _ship_leave_depot_offs[] = {
00270   {-1,  0},
00271   { 0, -1}
00272 };
00273 
00274 static bool CheckShipLeaveDepot(Ship *v)
00275 {
00276   if (!v->IsInDepot()) return false;
00277 
00278   /* We are leaving a depot, but have to go to the exact same one; re-enter */
00279   if (v->current_order.IsType(OT_GOTO_DEPOT) &&
00280       IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
00281     VehicleEnterDepot(v);
00282     return true;
00283   }
00284 
00285   TileIndex tile = v->tile;
00286   Axis axis = GetShipDepotAxis(tile);
00287 
00288   /* Check first (north) side */
00289   if (DiagdirReachesTracks((DiagDirection)axis) & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00290     v->direction = ReverseDir(AxisToDirection(axis));
00291   /* Check second (south) side */
00292   } else if (DiagdirReachesTracks((DiagDirection)(axis + 2)) & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00293     v->direction = AxisToDirection(axis);
00294   } else {
00295     return false;
00296   }
00297 
00298   v->state = AxisToTrackBits(axis);
00299   v->vehstatus &= ~VS_HIDDEN;
00300 
00301   v->cur_speed = 0;
00302   v->UpdateViewport(false, true);
00303   SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
00304 
00305   PlayShipSound(v);
00306   VehicleServiceInDepot(v);
00307   InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00308   SetWindowClassesDirty(WC_SHIPS_LIST);
00309 
00310   return false;
00311 }
00312 
00313 static bool ShipAccelerate(Vehicle *v)
00314 {
00315   uint spd;
00316   byte t;
00317 
00318   spd = min(v->cur_speed + 1, v->vcache.cached_max_speed);
00319 
00320   /* updates statusbar only if speed have changed to save CPU time */
00321   if (spd != v->cur_speed) {
00322     v->cur_speed = spd;
00323     SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00324   }
00325 
00326   /* Convert direction-indepenent speed into direction-dependent speed. (old movement method) */
00327   spd = v->GetOldAdvanceSpeed(spd);
00328 
00329   if (spd == 0) return false;
00330   if ((byte)++spd == 0) return true;
00331 
00332   v->progress = (t = v->progress) - (byte)spd;
00333 
00334   return (t < v->progress);
00335 }
00336 
00342 static void ShipArrivesAt(const Vehicle *v, Station *st)
00343 {
00344   /* Check if station was ever visited before */
00345   if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
00346     st->had_vehicle_of_type |= HVOT_SHIP;
00347 
00348     SetDParam(0, st->index);
00349     AddVehicleNewsItem(
00350       STR_NEWS_FIRST_SHIP_ARRIVAL,
00351       (v->owner == _local_company) ? NS_ARRIVAL_COMPANY : NS_ARRIVAL_OTHER,
00352       v->index,
00353       st->index
00354     );
00355     AI::NewEvent(v->owner, new AIEventStationFirstVehicle(st->index, v->index));
00356   }
00357 }
00358 
00359 
00365 static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
00366 {
00367   assert(IsValidDiagDirection(enterdir));
00368 
00369   bool path_found = true;
00370   Track track;
00371   switch (_settings_game.pf.pathfinder_for_ships) {
00372     case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00373     case VPF_NPF: track = NPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00374     case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
00375     default: NOT_REACHED();
00376   }
00377 
00378   v->HandlePathfindingResult(path_found);
00379   return track;
00380 }
00381 
00382 static const Direction _new_vehicle_direction_table[] = {
00383   DIR_N , DIR_NW, DIR_W , INVALID_DIR,
00384   DIR_NE, DIR_N , DIR_SW, INVALID_DIR,
00385   DIR_E , DIR_SE, DIR_S
00386 };
00387 
00388 static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
00389 {
00390   uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
00391               TileX(new_tile) - TileX(old_tile) + 1;
00392   assert(offs < 11 && offs != 3 && offs != 7);
00393   return _new_vehicle_direction_table[offs];
00394 }
00395 
00396 static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
00397 {
00398   uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
00399   assert(offs < 11 && offs != 3 && offs != 7);
00400   return _new_vehicle_direction_table[offs];
00401 }
00402 
00403 static inline TrackBits GetAvailShipTracks(TileIndex tile, DiagDirection dir)
00404 {
00405   return GetTileShipTrackStatus(tile) & DiagdirReachesTracks(dir);
00406 }
00407 
00408 static const byte _ship_subcoord[4][6][3] = {
00409   {
00410     {15, 8, 1},
00411     { 0, 0, 0},
00412     { 0, 0, 0},
00413     {15, 8, 2},
00414     {15, 7, 0},
00415     { 0, 0, 0},
00416   },
00417   {
00418     { 0, 0, 0},
00419     { 8, 0, 3},
00420     { 7, 0, 2},
00421     { 0, 0, 0},
00422     { 8, 0, 4},
00423     { 0, 0, 0},
00424   },
00425   {
00426     { 0, 8, 5},
00427     { 0, 0, 0},
00428     { 0, 7, 6},
00429     { 0, 0, 0},
00430     { 0, 0, 0},
00431     { 0, 8, 4},
00432   },
00433   {
00434     { 0, 0, 0},
00435     { 8, 15, 7},
00436     { 0, 0, 0},
00437     { 8, 15, 6},
00438     { 0, 0, 0},
00439     { 7, 15, 0},
00440   }
00441 };
00442 
00443 static void ShipController(Ship *v)
00444 {
00445   uint32 r;
00446   const byte *b;
00447   Direction dir;
00448   Track track;
00449   TrackBits tracks;
00450 
00451   v->tick_counter++;
00452   v->current_order_time++;
00453 
00454   if (v->HandleBreakdown()) return;
00455 
00456   if (v->vehstatus & VS_STOPPED) return;
00457 
00458   ProcessOrders(v);
00459   v->HandleLoading();
00460 
00461   if (v->current_order.IsType(OT_LOADING)) return;
00462 
00463   if (CheckShipLeaveDepot(v)) return;
00464 
00465   v->ShowVisualEffect();
00466 
00467   if (!ShipAccelerate(v)) return;
00468 
00469   GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00470   if (v->state != TRACK_BIT_WORMHOLE) {
00471     /* Not on a bridge */
00472     if (gp.old_tile == gp.new_tile) {
00473       /* Staying in tile */
00474       if (v->IsInDepot()) {
00475         gp.x = v->x_pos;
00476         gp.y = v->y_pos;
00477       } else {
00478         /* Not inside depot */
00479         r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00480         if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00481 
00482         /* A leave station order only needs one tick to get processed, so we can
00483          * always skip ahead. */
00484         if (v->current_order.IsType(OT_LEAVESTATION)) {
00485           v->current_order.Free();
00486           SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00487         } else if (v->dest_tile != 0) {
00488           /* We have a target, let's see if we reached it... */
00489           if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
00490               DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
00491             /* We got within 3 tiles of our target buoy, so let's skip to our
00492              * next order */
00493             UpdateVehicleTimetable(v, true);
00494             v->IncrementRealOrderIndex();
00495             v->current_order.MakeDummy();
00496           } else {
00497             /* Non-buoy orders really need to reach the tile */
00498             if (v->dest_tile == gp.new_tile) {
00499               if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00500                 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
00501                   VehicleEnterDepot(v);
00502                   return;
00503                 }
00504               } else if (v->current_order.IsType(OT_GOTO_STATION)) {
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(st->index);
00510                 } else { // leave stations without docks right aways
00511                   v->last_station_visited = v->current_order.GetDestination();
00512                   v->current_order.MakeLeaveStation();
00513                   v->IncrementRealOrderIndex();
00514                 }
00515               }
00516             }
00517           }
00518         }
00519       }
00520     } else {
00521       DiagDirection diagdir;
00522       /* New tile */
00523       if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY()) {
00524         goto reverse_direction;
00525       }
00526 
00527       dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
00528       assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
00529       diagdir = DirToDiagDir(dir);
00530       tracks = GetAvailShipTracks(gp.new_tile, diagdir);
00531       if (tracks == TRACK_BIT_NONE) goto reverse_direction;
00532 
00533       /* Choose a direction, and continue if we find one */
00534       track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
00535       if (track == INVALID_TRACK) goto reverse_direction;
00536 
00537       b = _ship_subcoord[diagdir][track];
00538 
00539       gp.x = (gp.x & ~0xF) | b[0];
00540       gp.y = (gp.y & ~0xF) | b[1];
00541 
00542       /* Call the landscape function and tell it that the vehicle entered the tile */
00543       r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00544       if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00545 
00546       if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
00547         v->tile = gp.new_tile;
00548         v->state = TrackToTrackBits(track);
00549       }
00550 
00551       v->direction = (Direction)b[2];
00552     }
00553   } else {
00554     /* On a bridge */
00555     if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
00556       v->x_pos = gp.x;
00557       v->y_pos = gp.y;
00558       VehicleMove(v, !(v->vehstatus & VS_HIDDEN));
00559       return;
00560     }
00561   }
00562 
00563   /* update image of ship, as well as delta XY */
00564   dir = ShipGetNewDirection(v, gp.x, gp.y);
00565   v->x_pos = gp.x;
00566   v->y_pos = gp.y;
00567   v->z_pos = GetSlopeZ(gp.x, gp.y);
00568 
00569 getout:
00570   v->UpdateViewport(true, true);
00571   return;
00572 
00573 reverse_direction:
00574   dir = ReverseDir(v->direction);
00575   v->direction = dir;
00576   goto getout;
00577 }
00578 
00579 bool Ship::Tick()
00580 {
00581   if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
00582 
00583   ShipController(this);
00584 
00585   return true;
00586 }
00587 
00597 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, uint16 data, Vehicle **ret)
00598 {
00599   tile = GetShipDepotNorthTile(tile);
00600   if (flags & DC_EXEC) {
00601     int x;
00602     int y;
00603 
00604     const ShipVehicleInfo *svi = &e->u.ship;
00605 
00606     Ship *v = new Ship();
00607     *ret = v;
00608 
00609     v->owner = _current_company;
00610     v->tile = tile;
00611     x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
00612     y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
00613     v->x_pos = x;
00614     v->y_pos = y;
00615     v->z_pos = GetSlopeZ(x, y);
00616 
00617     v->UpdateDeltaXY(v->direction);
00618     v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
00619 
00620     v->spritenum = svi->image_index;
00621     v->cargo_type = e->GetDefaultCargoType();
00622     v->cargo_cap = svi->capacity;
00623 
00624     v->last_station_visited = 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 May 8 07:30:19 2011 for OpenTTD by  doxygen 1.6.1