00001
00002
00005 #include "stdafx.h"
00006 #include "ship.h"
00007 #include "landscape.h"
00008 #include "timetable.h"
00009 #include "command_func.h"
00010 #include "station_map.h"
00011 #include "news_func.h"
00012 #include "company_func.h"
00013 #include "npf.h"
00014 #include "depot_base.h"
00015 #include "vehicle_gui.h"
00016 #include "newgrf_engine.h"
00017 #include "yapf/yapf.h"
00018 #include "newgrf_sound.h"
00019 #include "spritecache.h"
00020 #include "strings_func.h"
00021 #include "functions.h"
00022 #include "window_func.h"
00023 #include "date_func.h"
00024 #include "vehicle_func.h"
00025 #include "sound_func.h"
00026 #include "variables.h"
00027 #include "autoreplace_gui.h"
00028 #include "gfx_func.h"
00029 #include "effectvehicle_func.h"
00030 #include "settings_type.h"
00031 #include "ai/ai.hpp"
00032 #include "pathfind.h"
00033
00034 #include "table/strings.h"
00035 #include "table/sprites.h"
00036
00037 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
00038
00039 static const TrackBits _ship_sometracks[4] = {
00040 TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_LEFT,
00041 TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_LEFT,
00042 TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT,
00043 TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_RIGHT,
00044 };
00045
00046 static inline TrackBits GetTileShipTrackStatus(TileIndex tile)
00047 {
00048 return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
00049 }
00050
00051 static SpriteID GetShipIcon(EngineID engine)
00052 {
00053 uint8 spritenum = ShipVehInfo(engine)->image_index;
00054
00055 if (is_custom_sprite(spritenum)) {
00056 SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
00057 if (sprite != 0) return sprite;
00058
00059 spritenum = GetEngine(engine)->image_index;
00060 }
00061
00062 return 6 + _ship_sprites[spritenum];
00063 }
00064
00065 void DrawShipEngine(int x, int y, EngineID engine, SpriteID pal)
00066 {
00067 DrawSprite(GetShipIcon(engine), pal, x, y);
00068 }
00069
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 = GetEngine(this->engine_type)->image_index;
00092 }
00093
00094 return _ship_sprites[spritenum] + direction;
00095 }
00096
00097 static const Depot *FindClosestShipDepot(const Vehicle *v)
00098 {
00099 if (_settings_game.pf.pathfinder_for_ships == VPF_NPF) {
00100 Trackdir trackdir = GetVehicleTrackdir(v);
00101 NPFFoundTargetData ftd = NPFRouteToDepotTrialError(v->tile, trackdir, false, TRANSPORT_WATER, 0, v->owner, INVALID_RAILTYPES);
00102
00103 if (ftd.best_bird_dist == 0) return GetDepotByTile(ftd.node.tile);
00104
00105 return NULL;
00106 }
00107
00108
00109
00110 const Depot *depot;
00111 const Depot *best_depot = NULL;
00112 uint best_dist = UINT_MAX;
00113
00114 FOR_ALL_DEPOTS(depot) {
00115 TileIndex tile = depot->xy;
00116 if (IsShipDepotTile(tile) && IsTileOwner(tile, v->owner)) {
00117 uint dist = DistanceManhattan(tile, v->tile);
00118 if (dist < best_dist) {
00119 best_dist = dist;
00120 best_depot = depot;
00121 }
00122 }
00123 }
00124
00125 return best_depot;
00126 }
00127
00128 static void CheckIfShipNeedsService(Vehicle *v)
00129 {
00130 if (_settings_game.vehicle.servint_ships == 0 || !v->NeedsAutomaticServicing()) return;
00131 if (v->IsInDepot()) {
00132 VehicleServiceInDepot(v);
00133 return;
00134 }
00135
00136 const Depot *depot = FindClosestShipDepot(v);
00137
00138 if (depot == NULL || DistanceManhattan(v->tile, depot->xy) > 12) {
00139 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00140 v->current_order.MakeDummy();
00141 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00142 }
00143 return;
00144 }
00145
00146 v->current_order.MakeGoToDepot(depot->index, ODTFB_SERVICE);
00147 v->dest_tile = depot->xy;
00148 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00149 }
00150
00151 Money Ship::GetRunningCost() const
00152 {
00153 return GetVehicleProperty(this, 0x0F, ShipVehInfo(this->engine_type)->running_cost) * _price.ship_running;
00154 }
00155
00156 void Ship::OnNewDay()
00157 {
00158 if ((++this->day_counter & 7) == 0)
00159 DecreaseVehicleValue(this);
00160
00161 CheckVehicleBreakdown(this);
00162 AgeVehicle(this);
00163 CheckIfShipNeedsService(this);
00164
00165 CheckOrders(this);
00166
00167 if (this->running_ticks == 0) return;
00168
00169 CommandCost cost(EXPENSES_SHIP_RUN, this->GetRunningCost() * this->running_ticks / (DAYS_IN_YEAR * DAY_TICKS));
00170
00171 this->profit_this_year -= cost.GetCost();
00172 this->running_ticks = 0;
00173
00174 SubtractMoneyFromCompanyFract(this->owner, cost);
00175
00176 InvalidateWindow(WC_VEHICLE_DETAILS, this->index);
00177
00178 InvalidateWindowClasses(WC_SHIPS_LIST);
00179 }
00180
00181 static void HandleBrokenShip(Vehicle *v)
00182 {
00183 if (v->breakdown_ctr != 1) {
00184 v->breakdown_ctr = 1;
00185 v->cur_speed = 0;
00186
00187 if (v->breakdowns_since_last_service != 255)
00188 v->breakdowns_since_last_service++;
00189
00190 InvalidateWindow(WC_VEHICLE_VIEW, v->index);
00191 InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
00192
00193 if (!PlayVehicleSound(v, VSE_BREAKDOWN)) {
00194 SndPlayVehicleFx((_settings_game.game_creation.landscape != LT_TOYLAND) ?
00195 SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);
00196 }
00197
00198 if (!(v->vehstatus & VS_HIDDEN)) {
00199 Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
00200 if (u != NULL) u->u.effect.animation_state = v->breakdown_delay * 2;
00201 }
00202 }
00203
00204 if (!(v->tick_counter & 1)) {
00205 if (!--v->breakdown_delay) {
00206 v->breakdown_ctr = 0;
00207 InvalidateWindow(WC_VEHICLE_VIEW, v->index);
00208 }
00209 }
00210 }
00211
00212 void Ship::MarkDirty()
00213 {
00214 this->UpdateViewport(false, false);
00215 }
00216
00217 static void PlayShipSound(const Vehicle *v)
00218 {
00219 if (!PlayVehicleSound(v, VSE_START)) {
00220 SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
00221 }
00222 }
00223
00224 void Ship::PlayLeaveStationSound() const
00225 {
00226 PlayShipSound(this);
00227 }
00228
00229 TileIndex Ship::GetOrderStationLocation(StationID station)
00230 {
00231 if (station == this->last_station_visited) this->last_station_visited = INVALID_STATION;
00232
00233 const Station *st = GetStation(station);
00234 if (st->dock_tile != INVALID_TILE) {
00235 return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
00236 } else {
00237 this->cur_order_index++;
00238 return 0;
00239 }
00240 }
00241
00242 void Ship::UpdateDeltaXY(Direction direction)
00243 {
00244 #define MKIT(a, b, c, d) ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) | ((d & 0xFF) << 0)
00245 static const uint32 _delta_xy_table[8] = {
00246 MKIT( 6, 6, -3, -3),
00247 MKIT( 6, 32, -3, -16),
00248 MKIT( 6, 6, -3, -3),
00249 MKIT(32, 6, -16, -3),
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 };
00255 #undef MKIT
00256
00257 uint32 x = _delta_xy_table[direction];
00258 this->x_offs = GB(x, 0, 8);
00259 this->y_offs = GB(x, 8, 8);
00260 this->x_extent = GB(x, 16, 8);
00261 this->y_extent = GB(x, 24, 8);
00262 this->z_extent = 6;
00263 }
00264
00265 void RecalcShipStuff(Vehicle *v)
00266 {
00267 v->UpdateViewport(false, true);
00268 InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
00269 }
00270
00271 static const TileIndexDiffC _ship_leave_depot_offs[] = {
00272 {-1, 0},
00273 { 0, -1}
00274 };
00275
00276 static void CheckShipLeaveDepot(Vehicle *v)
00277 {
00278 if (!v->IsInDepot()) return;
00279
00280 TileIndex tile = v->tile;
00281 Axis axis = GetShipDepotAxis(tile);
00282
00283
00284 if (_ship_sometracks[axis] & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00285 v->direction = ReverseDir(AxisToDirection(axis));
00286
00287 } else if (_ship_sometracks[axis + 2] & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00288 v->direction = AxisToDirection(axis);
00289 } else {
00290 return;
00291 }
00292
00293 v->u.ship.state = AxisToTrackBits(axis);
00294 v->vehstatus &= ~VS_HIDDEN;
00295
00296 v->cur_speed = 0;
00297 RecalcShipStuff(v);
00298
00299 PlayShipSound(v);
00300 VehicleServiceInDepot(v);
00301 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00302 InvalidateWindowClasses(WC_SHIPS_LIST);
00303 }
00304
00305 static bool ShipAccelerate(Vehicle *v)
00306 {
00307 uint spd;
00308 byte t;
00309
00310 spd = min(v->cur_speed + 1, GetVehicleProperty(v, 0x0B, v->max_speed));
00311
00312
00313 if (spd != v->cur_speed) {
00314 v->cur_speed = spd;
00315 if (_settings_client.gui.vehicle_speed)
00316 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00317 }
00318
00319
00320 if (!(v->direction & 1)) spd = spd * 3 / 4;
00321
00322 if (spd == 0) return false;
00323 if ((byte)++spd == 0) return true;
00324
00325 v->progress = (t = v->progress) - (byte)spd;
00326
00327 return (t < v->progress);
00328 }
00329
00330 static void ShipArrivesAt(const Vehicle *v, Station *st)
00331 {
00332
00333 if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
00334 st->had_vehicle_of_type |= HVOT_SHIP;
00335
00336 SetDParam(0, st->index);
00337 AddNewsItem(
00338 STR_9833_CITIZENS_CELEBRATE_FIRST,
00339 (v->owner == _local_company) ? NS_ARRIVAL_COMPANY : NS_ARRIVAL_OTHER,
00340 v->index,
00341 st->index
00342 );
00343 AI::NewEvent(v->owner, new AIEventStationFirstVehicle(st->index, v->index));
00344 }
00345 }
00346
00347 struct PathFindShip {
00348 TileIndex skiptile;
00349 TileIndex dest_coords;
00350 uint best_bird_dist;
00351 uint best_length;
00352 };
00353
00354 static bool ShipTrackFollower(TileIndex tile, PathFindShip *pfs, int track, uint length)
00355 {
00356
00357 if (tile == pfs->dest_coords) {
00358 pfs->best_bird_dist = 0;
00359
00360 pfs->best_length = minu(pfs->best_length, length);
00361 return true;
00362 }
00363
00364
00365 if (tile != pfs->skiptile) {
00366 pfs->best_bird_dist = minu(pfs->best_bird_dist, DistanceMaxPlusManhattan(pfs->dest_coords, tile));
00367 }
00368
00369 return false;
00370 }
00371
00372 static const byte _ship_search_directions[6][4] = {
00373 { 0, 9, 2, 9 },
00374 { 9, 1, 9, 3 },
00375 { 9, 0, 3, 9 },
00376 { 1, 9, 9, 2 },
00377 { 3, 2, 9, 9 },
00378 { 9, 9, 1, 0 },
00379 };
00380
00381 static const byte _pick_shiptrack_table[6] = {1, 3, 2, 2, 0, 0};
00382
00383 static uint FindShipTrack(Vehicle *v, TileIndex tile, DiagDirection dir, TrackBits bits, TileIndex skiptile, Track *track)
00384 {
00385 PathFindShip pfs;
00386 Track i, best_track;
00387 uint best_bird_dist = 0;
00388 uint best_length = 0;
00389 uint r;
00390 byte ship_dir = v->direction & 3;
00391
00392 pfs.dest_coords = v->dest_tile;
00393 pfs.skiptile = skiptile;
00394
00395 best_track = INVALID_TRACK;
00396
00397 do {
00398 i = RemoveFirstTrack(&bits);
00399
00400 pfs.best_bird_dist = UINT_MAX;
00401 pfs.best_length = UINT_MAX;
00402
00403 FollowTrack(tile, PATHFIND_FLAGS_SHIP_MODE | PATHFIND_FLAGS_DISABLE_TILE_HASH, TRANSPORT_WATER, 0, (DiagDirection)_ship_search_directions[i][dir], (TPFEnumProc*)ShipTrackFollower, NULL, &pfs);
00404
00405 if (best_track != INVALID_TRACK) {
00406 if (pfs.best_bird_dist != 0) {
00407
00408 if (pfs.best_bird_dist > best_bird_dist) goto bad;
00409 if (pfs.best_bird_dist < best_bird_dist) goto good;
00410 } else {
00411 if (pfs.best_length > best_length) goto bad;
00412 if (pfs.best_length < best_length) goto good;
00413 }
00414
00415
00416
00417 r = GB(Random(), 0, 8);
00418 if (_pick_shiptrack_table[i] == ship_dir) r += 80;
00419 if (_pick_shiptrack_table[best_track] == ship_dir) r -= 80;
00420 if (r <= 127) goto bad;
00421 }
00422 good:;
00423 best_track = i;
00424 best_bird_dist = pfs.best_bird_dist;
00425 best_length = pfs.best_length;
00426 bad:;
00427
00428 } while (bits != 0);
00429
00430 *track = best_track;
00431 return best_bird_dist;
00432 }
00433
00434 static inline NPFFoundTargetData PerfNPFRouteToStationOrTile(TileIndex tile, Trackdir trackdir, bool ignore_start_tile, NPFFindStationOrTileData *target, TransportType type, Owner owner, RailTypes railtypes)
00435 {
00436
00437 void *perf = NpfBeginInterval();
00438 NPFFoundTargetData ret = NPFRouteToStationOrTile(tile, trackdir, ignore_start_tile, target, type, 0, owner, railtypes);
00439 int t = NpfEndInterval(perf);
00440 DEBUG(yapf, 4, "[NPFW] %d us - %d rounds - %d open - %d closed -- ", t, 0, _aystar_stats_open_size, _aystar_stats_closed_size);
00441 return ret;
00442 }
00443
00447 static Track ChooseShipTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
00448 {
00449 assert(IsValidDiagDirection(enterdir));
00450
00451 switch (_settings_game.pf.pathfinder_for_ships) {
00452 case VPF_YAPF: {
00453 Trackdir trackdir = YapfChooseShipTrack(v, tile, enterdir, tracks);
00454 if (trackdir != INVALID_TRACKDIR) return TrackdirToTrack(trackdir);
00455 } break;
00456
00457 case VPF_NPF: {
00458 NPFFindStationOrTileData fstd;
00459 Trackdir trackdir = GetVehicleTrackdir(v);
00460 assert(trackdir != INVALID_TRACKDIR);
00461
00462 NPFFillWithOrderData(&fstd, v);
00463
00464 NPFFoundTargetData ftd = PerfNPFRouteToStationOrTile(tile - TileOffsByDiagDir(enterdir), trackdir, true, &fstd, TRANSPORT_WATER, v->owner, INVALID_RAILTYPES);
00465
00466
00467
00468
00469
00470 if (ftd.best_trackdir != 0xff) return TrackdirToTrack(ftd.best_trackdir);
00471 } break;
00472
00473 default:
00474 case VPF_OPF: {
00475 TileIndex tile2 = TILE_ADD(tile, -TileOffsByDiagDir(enterdir));
00476 Track track;
00477
00478
00479 TrackBits b = GetTileShipTrackStatus(tile2) & _ship_sometracks[ReverseDiagDir(enterdir)] & v->u.ship.state;
00480
00481 uint distr = UINT_MAX;
00482 if (b != 0) {
00483 distr = FindShipTrack(v, tile2, ReverseDiagDir(enterdir), b, tile, &track);
00484 if (distr != UINT_MAX) distr++;
00485 }
00486
00487
00488 uint dist = FindShipTrack(v, tile, enterdir, tracks, 0, &track);
00489
00490 if (dist <= distr) return track;
00491 } break;
00492 }
00493
00494 return INVALID_TRACK;
00495 }
00496
00497 static const Direction _new_vehicle_direction_table[] = {
00498 DIR_N , DIR_NW, DIR_W , INVALID_DIR,
00499 DIR_NE, DIR_N , DIR_SW, INVALID_DIR,
00500 DIR_E , DIR_SE, DIR_S
00501 };
00502
00503 static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
00504 {
00505 uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
00506 TileX(new_tile) - TileX(old_tile) + 1;
00507 assert(offs < 11 && offs != 3 && offs != 7);
00508 return _new_vehicle_direction_table[offs];
00509 }
00510
00511 static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
00512 {
00513 uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
00514 assert(offs < 11 && offs != 3 && offs != 7);
00515 return _new_vehicle_direction_table[offs];
00516 }
00517
00518 static inline TrackBits GetAvailShipTracks(TileIndex tile, int dir)
00519 {
00520 return GetTileShipTrackStatus(tile) & _ship_sometracks[dir];
00521 }
00522
00523 static const byte _ship_subcoord[4][6][3] = {
00524 {
00525 {15, 8, 1},
00526 { 0, 0, 0},
00527 { 0, 0, 0},
00528 {15, 8, 2},
00529 {15, 7, 0},
00530 { 0, 0, 0},
00531 },
00532 {
00533 { 0, 0, 0},
00534 { 8, 0, 3},
00535 { 7, 0, 2},
00536 { 0, 0, 0},
00537 { 8, 0, 4},
00538 { 0, 0, 0},
00539 },
00540 {
00541 { 0, 8, 5},
00542 { 0, 0, 0},
00543 { 0, 7, 6},
00544 { 0, 0, 0},
00545 { 0, 0, 0},
00546 { 0, 8, 4},
00547 },
00548 {
00549 { 0, 0, 0},
00550 { 8, 15, 7},
00551 { 0, 0, 0},
00552 { 8, 15, 6},
00553 { 0, 0, 0},
00554 { 7, 15, 0},
00555 }
00556 };
00557
00558 static void ShipController(Vehicle *v)
00559 {
00560 uint32 r;
00561 const byte *b;
00562 Direction dir;
00563 Track track;
00564 TrackBits tracks;
00565
00566 v->tick_counter++;
00567 v->current_order_time++;
00568
00569 if (v->breakdown_ctr != 0) {
00570 if (v->breakdown_ctr <= 2) {
00571 HandleBrokenShip(v);
00572 return;
00573 }
00574 if (!v->current_order.IsType(OT_LOADING)) v->breakdown_ctr--;
00575 }
00576
00577 if (v->vehstatus & VS_STOPPED) return;
00578
00579 ProcessOrders(v);
00580 v->HandleLoading();
00581
00582 if (v->current_order.IsType(OT_LOADING)) return;
00583
00584 CheckShipLeaveDepot(v);
00585
00586 if (!ShipAccelerate(v)) return;
00587
00588 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00589 if (v->u.ship.state != TRACK_BIT_WORMHOLE) {
00590
00591 if (gp.old_tile == gp.new_tile) {
00592
00593 if (v->IsInDepot()) {
00594 gp.x = v->x_pos;
00595 gp.y = v->y_pos;
00596 } else {
00597
00598 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00599 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00600
00601
00602
00603 if (v->current_order.IsType(OT_LEAVESTATION)) {
00604 v->current_order.Free();
00605 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00606 } else if (v->dest_tile != 0) {
00607
00608 if (v->current_order.IsType(OT_GOTO_STATION) &&
00609 GetStation(v->current_order.GetDestination())->IsBuoy() &&
00610 DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
00611
00612
00613 UpdateVehicleTimetable(v, true);
00614 v->cur_order_index++;
00615 v->current_order.MakeDummy();
00616 InvalidateVehicleOrder(v, 0);
00617 } else {
00618
00619 if (v->dest_tile == gp.new_tile) {
00620 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00621 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
00622 VehicleEnterDepot(v);
00623 return;
00624 }
00625 } else if (v->current_order.IsType(OT_GOTO_STATION)) {
00626 v->last_station_visited = v->current_order.GetDestination();
00627
00628
00629 Station *st = GetStation(v->current_order.GetDestination());
00630 if (st->facilities & FACIL_DOCK) {
00631 ShipArrivesAt(v, st);
00632 v->BeginLoading();
00633 } else {
00634 v->current_order.MakeLeaveStation();
00635 v->cur_order_index++;
00636 InvalidateVehicleOrder(v, 0);
00637 }
00638 }
00639 }
00640 }
00641 }
00642 }
00643 } else {
00644 DiagDirection diagdir;
00645
00646 if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY()) {
00647 goto reverse_direction;
00648 }
00649
00650 dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
00651 assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
00652 diagdir = DirToDiagDir(dir);
00653 tracks = GetAvailShipTracks(gp.new_tile, diagdir);
00654 if (tracks == TRACK_BIT_NONE) goto reverse_direction;
00655
00656
00657 track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
00658 if (track == INVALID_TRACK) goto reverse_direction;
00659
00660 b = _ship_subcoord[diagdir][track];
00661
00662 gp.x = (gp.x & ~0xF) | b[0];
00663 gp.y = (gp.y & ~0xF) | b[1];
00664
00665
00666 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00667 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00668
00669 if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
00670 v->tile = gp.new_tile;
00671 v->u.ship.state = TrackToTrackBits(track);
00672 }
00673
00674 v->direction = (Direction)b[2];
00675 }
00676 } else {
00677
00678 if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
00679 v->x_pos = gp.x;
00680 v->y_pos = gp.y;
00681 VehicleMove(v, !(v->vehstatus & VS_HIDDEN));
00682 return;
00683 }
00684 }
00685
00686
00687 dir = ShipGetNewDirection(v, gp.x, gp.y);
00688 v->x_pos = gp.x;
00689 v->y_pos = gp.y;
00690 v->z_pos = GetSlopeZ(gp.x, gp.y);
00691
00692 getout:
00693 v->UpdateViewport(true, true);
00694 return;
00695
00696 reverse_direction:
00697 dir = ReverseDir(v->direction);
00698 v->direction = dir;
00699 goto getout;
00700 }
00701
00702 static void AgeShipCargo(Vehicle *v)
00703 {
00704 if (_age_cargo_skip_counter != 0) return;
00705 v->cargo.AgeCargo();
00706 }
00707
00708 void Ship::Tick()
00709 {
00710 if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
00711
00712 AgeShipCargo(this);
00713 ShipController(this);
00714 }
00715
00722 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00723 {
00724 UnitID unit_num;
00725
00726 if (!IsEngineBuildable(p1, VEH_SHIP, _current_company)) return_cmd_error(STR_SHIP_NOT_AVAILABLE);
00727
00728 const Engine *e = GetEngine(p1);
00729 CommandCost value(EXPENSES_NEW_VEHICLES, e->GetCost());
00730
00731
00732 if (e->GetDefaultCargoType() == CT_INVALID) return CMD_ERROR;
00733
00734 if (flags & DC_QUERY_COST) return value;
00735
00736
00737
00738 if (!IsShipDepotTile(tile)) return CMD_ERROR;
00739 if (!IsTileOwner(tile, _current_company)) return CMD_ERROR;
00740
00741 unit_num = (flags & DC_AUTOREPLACE) ? 0 : GetFreeUnitNumber(VEH_SHIP);
00742
00743 if (!Vehicle::CanAllocateItem() || unit_num > _settings_game.vehicle.max_ships)
00744 return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
00745
00746 if (flags & DC_EXEC) {
00747 int x;
00748 int y;
00749
00750 const ShipVehicleInfo *svi = ShipVehInfo(p1);
00751
00752 Vehicle *v = new Ship();
00753 v->unitnumber = unit_num;
00754
00755 v->owner = _current_company;
00756 v->tile = tile;
00757 x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
00758 y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
00759 v->x_pos = x;
00760 v->y_pos = y;
00761 v->z_pos = GetSlopeZ(x, y);
00762
00763 v->running_ticks = 0;
00764
00765 v->UpdateDeltaXY(v->direction);
00766 v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
00767
00768 v->spritenum = svi->image_index;
00769 v->cargo_type = e->GetDefaultCargoType();
00770 v->cargo_subtype = 0;
00771 v->cargo_cap = svi->capacity;
00772 v->value = value.GetCost();
00773
00774 v->last_station_visited = INVALID_STATION;
00775 v->max_speed = svi->max_speed;
00776 v->engine_type = p1;
00777
00778 v->reliability = e->reliability;
00779 v->reliability_spd_dec = e->reliability_spd_dec;
00780 v->max_age = e->lifelength * DAYS_IN_LEAP_YEAR;
00781 _new_vehicle_id = v->index;
00782
00783 v->name = NULL;
00784 v->u.ship.state = TRACK_BIT_DEPOT;
00785
00786 v->service_interval = _settings_game.vehicle.servint_ships;
00787 v->date_of_last_service = _date;
00788 v->build_year = _cur_year;
00789 v->cur_image = 0x0E5E;
00790 v->random_bits = VehicleRandomBits();
00791
00792 v->vehicle_flags = 0;
00793 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
00794
00795 v->InvalidateNewGRFCacheOfChain();
00796
00797 v->cargo_cap = GetVehicleProperty(v, 0x0D, svi->capacity);
00798
00799 v->InvalidateNewGRFCacheOfChain();
00800
00801 VehicleMove(v, false);
00802
00803 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00804 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
00805 InvalidateWindow(WC_COMPANY, v->owner);
00806 if (IsLocalCompany())
00807 InvalidateAutoreplaceWindow(v->engine_type, v->group_id);
00808
00809 GetCompany(_current_company)->num_engines[p1]++;
00810 }
00811
00812 return value;
00813 }
00814
00821 CommandCost CmdSellShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00822 {
00823 Vehicle *v;
00824
00825 if (!IsValidVehicleID(p1)) return CMD_ERROR;
00826
00827 v = GetVehicle(p1);
00828
00829 if (v->type != VEH_SHIP || !CheckOwnership(v->owner)) return CMD_ERROR;
00830
00831 if (HASBITS(v->vehstatus, VS_CRASHED)) return_cmd_error(STR_CAN_T_SELL_DESTROYED_VEHICLE);
00832
00833 if (!v->IsStoppedInDepot()) {
00834 return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
00835 }
00836
00837 CommandCost ret(EXPENSES_NEW_VEHICLES, -v->value);
00838
00839 if (flags & DC_EXEC) {
00840 delete v;
00841 }
00842
00843 return ret;
00844 }
00845
00846 bool Ship::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
00847 {
00848 const Depot *depot = FindClosestShipDepot(this);
00849
00850 if (depot == NULL) return false;
00851
00852 if (location != NULL) *location = depot->xy;
00853 if (destination != NULL) *destination = depot->index;
00854
00855 return true;
00856 }
00857
00866 CommandCost CmdSendShipToDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00867 {
00868 if (p2 & DEPOT_MASS_SEND) {
00869
00870 if (!ValidVLWFlags(p2 & VLW_MASK)) return CMD_ERROR;
00871 return SendAllVehiclesToDepot(VEH_SHIP, flags, p2 & DEPOT_SERVICE, _current_company, (p2 & VLW_MASK), p1);
00872 }
00873
00874 if (!IsValidVehicleID(p1)) return CMD_ERROR;
00875
00876 Vehicle *v = GetVehicle(p1);
00877
00878 if (v->type != VEH_SHIP) return CMD_ERROR;
00879
00880 return v->SendToDepot(flags, (DepotCommand)(p2 & DEPOT_COMMAND_MASK));
00881 }
00882
00883
00894 CommandCost CmdRefitShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00895 {
00896 Vehicle *v;
00897 CommandCost cost(EXPENSES_SHIP_RUN);
00898 CargoID new_cid = GB(p2, 0, 8);
00899 byte new_subtype = GB(p2, 8, 8);
00900 uint16 capacity = CALLBACK_FAILED;
00901
00902 if (!IsValidVehicleID(p1)) return CMD_ERROR;
00903
00904 v = GetVehicle(p1);
00905
00906 if (v->type != VEH_SHIP || !CheckOwnership(v->owner)) return CMD_ERROR;
00907 if (!v->IsStoppedInDepot()) return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
00908 if (v->vehstatus & VS_CRASHED) return_cmd_error(STR_CAN_T_REFIT_DESTROYED_VEHICLE);
00909
00910
00911 if (!ShipVehInfo(v->engine_type)->refittable) return CMD_ERROR;
00912 if (new_cid >= NUM_CARGO || !CanRefitTo(v->engine_type, new_cid)) return CMD_ERROR;
00913
00914
00915 if (HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_REFIT_CAPACITY)) {
00916
00917 CargoID temp_cid = v->cargo_type;
00918 byte temp_subtype = v->cargo_subtype;
00919 v->cargo_type = new_cid;
00920 v->cargo_subtype = new_subtype;
00921
00922 capacity = GetVehicleCallback(CBID_VEHICLE_REFIT_CAPACITY, 0, 0, v->engine_type, v);
00923
00924
00925 v->cargo_type = temp_cid;
00926 v->cargo_subtype = temp_subtype;
00927 }
00928
00929 if (capacity == CALLBACK_FAILED) {
00930 capacity = GetVehicleProperty(v, 0x0D, ShipVehInfo(v->engine_type)->capacity);
00931 }
00932 _returned_refit_capacity = capacity;
00933
00934 if (new_cid != v->cargo_type) {
00935 cost = GetRefitCost(v->engine_type);
00936 }
00937
00938 if (flags & DC_EXEC) {
00939 v->cargo_cap = capacity;
00940 v->cargo.Truncate((v->cargo_type == new_cid) ? capacity : 0);
00941 v->cargo_type = new_cid;
00942 v->cargo_subtype = new_subtype;
00943 v->colourmap = PAL_NONE;
00944 v->InvalidateNewGRFCacheOfChain();
00945 InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
00946 InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
00947 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
00948 }
00949
00950 return cost;
00951
00952 }