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 v->MarkDirty();
00193
00194 if (!PlayVehicleSound(v, VSE_BREAKDOWN)) {
00195 SndPlayVehicleFx((_settings_game.game_creation.landscape != LT_TOYLAND) ?
00196 SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);
00197 }
00198
00199 if (!(v->vehstatus & VS_HIDDEN)) {
00200 Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
00201 if (u != NULL) u->u.effect.animation_state = v->breakdown_delay * 2;
00202 }
00203 }
00204
00205 if (!(v->tick_counter & 1)) {
00206 if (!--v->breakdown_delay) {
00207 v->breakdown_ctr = 0;
00208 InvalidateWindow(WC_VEHICLE_VIEW, v->index);
00209 v->MarkDirty();
00210 }
00211 }
00212 }
00213
00214 void Ship::MarkDirty()
00215 {
00216 this->UpdateViewport(false, false);
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 = GetStation(station);
00236 if (st->dock_tile != INVALID_TILE) {
00237 return TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
00238 } else {
00239 this->cur_order_index++;
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 void RecalcShipStuff(Vehicle *v)
00268 {
00269 v->UpdateViewport(false, true);
00270 InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
00271 }
00272
00273 static const TileIndexDiffC _ship_leave_depot_offs[] = {
00274 {-1, 0},
00275 { 0, -1}
00276 };
00277
00278 static void CheckShipLeaveDepot(Vehicle *v)
00279 {
00280 if (!v->IsInDepot()) return;
00281
00282 TileIndex tile = v->tile;
00283 Axis axis = GetShipDepotAxis(tile);
00284
00285
00286 if (_ship_sometracks[axis] & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00287 v->direction = ReverseDir(AxisToDirection(axis));
00288
00289 } else if (_ship_sometracks[axis + 2] & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
00290 v->direction = AxisToDirection(axis);
00291 } else {
00292 return;
00293 }
00294
00295 v->u.ship.state = AxisToTrackBits(axis);
00296 v->vehstatus &= ~VS_HIDDEN;
00297
00298 v->cur_speed = 0;
00299 RecalcShipStuff(v);
00300
00301 PlayShipSound(v);
00302 VehicleServiceInDepot(v);
00303 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00304 InvalidateWindowClasses(WC_SHIPS_LIST);
00305 }
00306
00307 static bool ShipAccelerate(Vehicle *v)
00308 {
00309 uint spd;
00310 byte t;
00311
00312 spd = min(v->cur_speed + 1, GetVehicleProperty(v, 0x0B, v->max_speed));
00313
00314
00315 if (spd != v->cur_speed) {
00316 v->cur_speed = spd;
00317 if (_settings_client.gui.vehicle_speed)
00318 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00319 }
00320
00321
00322 if (!(v->direction & 1)) spd = spd * 3 / 4;
00323
00324 if (spd == 0) return false;
00325 if ((byte)++spd == 0) return true;
00326
00327 v->progress = (t = v->progress) - (byte)spd;
00328
00329 return (t < v->progress);
00330 }
00331
00332 static void ShipArrivesAt(const Vehicle *v, Station *st)
00333 {
00334
00335 if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
00336 st->had_vehicle_of_type |= HVOT_SHIP;
00337
00338 SetDParam(0, st->index);
00339 AddNewsItem(
00340 STR_9833_CITIZENS_CELEBRATE_FIRST,
00341 (v->owner == _local_company) ? NS_ARRIVAL_COMPANY : NS_ARRIVAL_OTHER,
00342 v->index,
00343 st->index
00344 );
00345 AI::NewEvent(v->owner, new AIEventStationFirstVehicle(st->index, v->index));
00346 }
00347 }
00348
00349 struct PathFindShip {
00350 TileIndex skiptile;
00351 TileIndex dest_coords;
00352 uint best_bird_dist;
00353 uint best_length;
00354 };
00355
00356 static bool ShipTrackFollower(TileIndex tile, PathFindShip *pfs, int track, uint length)
00357 {
00358
00359 if (tile == pfs->dest_coords) {
00360 pfs->best_bird_dist = 0;
00361
00362 pfs->best_length = minu(pfs->best_length, length);
00363 return true;
00364 }
00365
00366
00367 if (tile != pfs->skiptile) {
00368 pfs->best_bird_dist = minu(pfs->best_bird_dist, DistanceMaxPlusManhattan(pfs->dest_coords, tile));
00369 }
00370
00371 return false;
00372 }
00373
00374 static const byte _ship_search_directions[6][4] = {
00375 { 0, 9, 2, 9 },
00376 { 9, 1, 9, 3 },
00377 { 9, 0, 3, 9 },
00378 { 1, 9, 9, 2 },
00379 { 3, 2, 9, 9 },
00380 { 9, 9, 1, 0 },
00381 };
00382
00383 static const byte _pick_shiptrack_table[6] = {1, 3, 2, 2, 0, 0};
00384
00385 static uint FindShipTrack(Vehicle *v, TileIndex tile, DiagDirection dir, TrackBits bits, TileIndex skiptile, Track *track)
00386 {
00387 PathFindShip pfs;
00388 Track i, best_track;
00389 uint best_bird_dist = 0;
00390 uint best_length = 0;
00391 uint r;
00392 byte ship_dir = v->direction & 3;
00393
00394 pfs.dest_coords = v->dest_tile;
00395 pfs.skiptile = skiptile;
00396
00397 best_track = INVALID_TRACK;
00398
00399 do {
00400 i = RemoveFirstTrack(&bits);
00401
00402 pfs.best_bird_dist = UINT_MAX;
00403 pfs.best_length = UINT_MAX;
00404
00405 FollowTrack(tile, PATHFIND_FLAGS_SHIP_MODE | PATHFIND_FLAGS_DISABLE_TILE_HASH, TRANSPORT_WATER, 0, (DiagDirection)_ship_search_directions[i][dir], (TPFEnumProc*)ShipTrackFollower, NULL, &pfs);
00406
00407 if (best_track != INVALID_TRACK) {
00408 if (pfs.best_bird_dist != 0) {
00409
00410 if (pfs.best_bird_dist > best_bird_dist) goto bad;
00411 if (pfs.best_bird_dist < best_bird_dist) goto good;
00412 } else {
00413 if (pfs.best_length > best_length) goto bad;
00414 if (pfs.best_length < best_length) goto good;
00415 }
00416
00417
00418
00419 r = GB(Random(), 0, 8);
00420 if (_pick_shiptrack_table[i] == ship_dir) r += 80;
00421 if (_pick_shiptrack_table[best_track] == ship_dir) r -= 80;
00422 if (r <= 127) goto bad;
00423 }
00424 good:;
00425 best_track = i;
00426 best_bird_dist = pfs.best_bird_dist;
00427 best_length = pfs.best_length;
00428 bad:;
00429
00430 } while (bits != 0);
00431
00432 *track = best_track;
00433 return best_bird_dist;
00434 }
00435
00436 static inline NPFFoundTargetData PerfNPFRouteToStationOrTile(TileIndex tile, Trackdir trackdir, bool ignore_start_tile, NPFFindStationOrTileData *target, TransportType type, Owner owner, RailTypes railtypes)
00437 {
00438
00439 void *perf = NpfBeginInterval();
00440 NPFFoundTargetData ret = NPFRouteToStationOrTile(tile, trackdir, ignore_start_tile, target, type, 0, owner, railtypes);
00441 int t = NpfEndInterval(perf);
00442 DEBUG(yapf, 4, "[NPFW] %d us - %d rounds - %d open - %d closed -- ", t, 0, _aystar_stats_open_size, _aystar_stats_closed_size);
00443 return ret;
00444 }
00445
00449 static Track ChooseShipTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
00450 {
00451 assert(IsValidDiagDirection(enterdir));
00452
00453 switch (_settings_game.pf.pathfinder_for_ships) {
00454 case VPF_YAPF: {
00455 Trackdir trackdir = YapfChooseShipTrack(v, tile, enterdir, tracks);
00456 if (trackdir != INVALID_TRACKDIR) return TrackdirToTrack(trackdir);
00457 } break;
00458
00459 case VPF_NPF: {
00460 NPFFindStationOrTileData fstd;
00461 Trackdir trackdir = GetVehicleTrackdir(v);
00462 assert(trackdir != INVALID_TRACKDIR);
00463
00464 NPFFillWithOrderData(&fstd, v);
00465
00466 NPFFoundTargetData ftd = PerfNPFRouteToStationOrTile(tile - TileOffsByDiagDir(enterdir), trackdir, true, &fstd, TRANSPORT_WATER, v->owner, INVALID_RAILTYPES);
00467
00468
00469
00470
00471
00472 if (ftd.best_trackdir != 0xff) return TrackdirToTrack(ftd.best_trackdir);
00473 } break;
00474
00475 default:
00476 case VPF_OPF: {
00477 TileIndex tile2 = TILE_ADD(tile, -TileOffsByDiagDir(enterdir));
00478 Track track;
00479
00480
00481 TrackBits b = GetTileShipTrackStatus(tile2) & _ship_sometracks[ReverseDiagDir(enterdir)] & v->u.ship.state;
00482
00483 uint distr = UINT_MAX;
00484 if (b != 0) {
00485 distr = FindShipTrack(v, tile2, ReverseDiagDir(enterdir), b, tile, &track);
00486 if (distr != UINT_MAX) distr++;
00487 }
00488
00489
00490 uint dist = FindShipTrack(v, tile, enterdir, tracks, 0, &track);
00491
00492 if (dist <= distr) return track;
00493 } break;
00494 }
00495
00496 return INVALID_TRACK;
00497 }
00498
00499 static const Direction _new_vehicle_direction_table[] = {
00500 DIR_N , DIR_NW, DIR_W , INVALID_DIR,
00501 DIR_NE, DIR_N , DIR_SW, INVALID_DIR,
00502 DIR_E , DIR_SE, DIR_S
00503 };
00504
00505 static Direction ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
00506 {
00507 uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
00508 TileX(new_tile) - TileX(old_tile) + 1;
00509 assert(offs < 11 && offs != 3 && offs != 7);
00510 return _new_vehicle_direction_table[offs];
00511 }
00512
00513 static Direction ShipGetNewDirection(Vehicle *v, int x, int y)
00514 {
00515 uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
00516 assert(offs < 11 && offs != 3 && offs != 7);
00517 return _new_vehicle_direction_table[offs];
00518 }
00519
00520 static inline TrackBits GetAvailShipTracks(TileIndex tile, int dir)
00521 {
00522 return GetTileShipTrackStatus(tile) & _ship_sometracks[dir];
00523 }
00524
00525 static const byte _ship_subcoord[4][6][3] = {
00526 {
00527 {15, 8, 1},
00528 { 0, 0, 0},
00529 { 0, 0, 0},
00530 {15, 8, 2},
00531 {15, 7, 0},
00532 { 0, 0, 0},
00533 },
00534 {
00535 { 0, 0, 0},
00536 { 8, 0, 3},
00537 { 7, 0, 2},
00538 { 0, 0, 0},
00539 { 8, 0, 4},
00540 { 0, 0, 0},
00541 },
00542 {
00543 { 0, 8, 5},
00544 { 0, 0, 0},
00545 { 0, 7, 6},
00546 { 0, 0, 0},
00547 { 0, 0, 0},
00548 { 0, 8, 4},
00549 },
00550 {
00551 { 0, 0, 0},
00552 { 8, 15, 7},
00553 { 0, 0, 0},
00554 { 8, 15, 6},
00555 { 0, 0, 0},
00556 { 7, 15, 0},
00557 }
00558 };
00559
00560 static void ShipController(Vehicle *v)
00561 {
00562 uint32 r;
00563 const byte *b;
00564 Direction dir;
00565 Track track;
00566 TrackBits tracks;
00567
00568 v->tick_counter++;
00569 v->current_order_time++;
00570
00571 if (v->breakdown_ctr != 0) {
00572 if (v->breakdown_ctr <= 2) {
00573 HandleBrokenShip(v);
00574 return;
00575 }
00576 if (!v->current_order.IsType(OT_LOADING)) v->breakdown_ctr--;
00577 }
00578
00579 if (v->vehstatus & VS_STOPPED) return;
00580
00581 ProcessOrders(v);
00582 v->HandleLoading();
00583
00584 if (v->current_order.IsType(OT_LOADING)) return;
00585
00586 CheckShipLeaveDepot(v);
00587
00588 if (!ShipAccelerate(v)) return;
00589
00590 GetNewVehiclePosResult gp = GetNewVehiclePos(v);
00591 if (v->u.ship.state != TRACK_BIT_WORMHOLE) {
00592
00593 if (gp.old_tile == gp.new_tile) {
00594
00595 if (v->IsInDepot()) {
00596 gp.x = v->x_pos;
00597 gp.y = v->y_pos;
00598 } else {
00599
00600 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00601 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00602
00603
00604
00605 if (v->current_order.IsType(OT_LEAVESTATION)) {
00606 v->current_order.Free();
00607 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
00608 } else if (v->dest_tile != 0) {
00609
00610 if (v->current_order.IsType(OT_GOTO_STATION) &&
00611 GetStation(v->current_order.GetDestination())->IsBuoy() &&
00612 DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
00613
00614
00615 UpdateVehicleTimetable(v, true);
00616 v->cur_order_index++;
00617 v->current_order.MakeDummy();
00618 InvalidateVehicleOrder(v, 0);
00619 } else {
00620
00621 if (v->dest_tile == gp.new_tile) {
00622 if (v->current_order.IsType(OT_GOTO_DEPOT)) {
00623 if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
00624 VehicleEnterDepot(v);
00625 return;
00626 }
00627 } else if (v->current_order.IsType(OT_GOTO_STATION)) {
00628 v->last_station_visited = v->current_order.GetDestination();
00629
00630
00631 Station *st = GetStation(v->current_order.GetDestination());
00632 if (st->facilities & FACIL_DOCK) {
00633 ShipArrivesAt(v, st);
00634 v->BeginLoading();
00635 } else {
00636 v->current_order.MakeLeaveStation();
00637 v->cur_order_index++;
00638 InvalidateVehicleOrder(v, 0);
00639 }
00640 }
00641 }
00642 }
00643 }
00644 }
00645 } else {
00646 DiagDirection diagdir;
00647
00648 if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY()) {
00649 goto reverse_direction;
00650 }
00651
00652 dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
00653 assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
00654 diagdir = DirToDiagDir(dir);
00655 tracks = GetAvailShipTracks(gp.new_tile, diagdir);
00656 if (tracks == TRACK_BIT_NONE) goto reverse_direction;
00657
00658
00659 track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
00660 if (track == INVALID_TRACK) goto reverse_direction;
00661
00662 b = _ship_subcoord[diagdir][track];
00663
00664 gp.x = (gp.x & ~0xF) | b[0];
00665 gp.y = (gp.y & ~0xF) | b[1];
00666
00667
00668 r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
00669 if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
00670
00671 if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
00672 v->tile = gp.new_tile;
00673 v->u.ship.state = TrackToTrackBits(track);
00674 }
00675
00676 v->direction = (Direction)b[2];
00677 }
00678 } else {
00679
00680 if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
00681 v->x_pos = gp.x;
00682 v->y_pos = gp.y;
00683 VehicleMove(v, !(v->vehstatus & VS_HIDDEN));
00684 return;
00685 }
00686 }
00687
00688
00689 dir = ShipGetNewDirection(v, gp.x, gp.y);
00690 v->x_pos = gp.x;
00691 v->y_pos = gp.y;
00692 v->z_pos = GetSlopeZ(gp.x, gp.y);
00693
00694 getout:
00695 v->UpdateViewport(true, true);
00696 return;
00697
00698 reverse_direction:
00699 dir = ReverseDir(v->direction);
00700 v->direction = dir;
00701 goto getout;
00702 }
00703
00704 static void AgeShipCargo(Vehicle *v)
00705 {
00706 if (_age_cargo_skip_counter != 0) return;
00707 v->cargo.AgeCargo();
00708 }
00709
00710 void Ship::Tick()
00711 {
00712 if (!(this->vehstatus & VS_STOPPED)) this->running_ticks++;
00713
00714 AgeShipCargo(this);
00715 ShipController(this);
00716 }
00717
00724 CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00725 {
00726 UnitID unit_num;
00727
00728 if (!IsEngineBuildable(p1, VEH_SHIP, _current_company)) return_cmd_error(STR_SHIP_NOT_AVAILABLE);
00729
00730 const Engine *e = GetEngine(p1);
00731 CommandCost value(EXPENSES_NEW_VEHICLES, e->GetCost());
00732
00733
00734 if (e->GetDefaultCargoType() == CT_INVALID) return CMD_ERROR;
00735
00736 if (flags & DC_QUERY_COST) return value;
00737
00738
00739
00740 if (!IsShipDepotTile(tile)) return CMD_ERROR;
00741 if (!IsTileOwner(tile, _current_company)) return CMD_ERROR;
00742
00743 unit_num = (flags & DC_AUTOREPLACE) ? 0 : GetFreeUnitNumber(VEH_SHIP);
00744
00745 if (!Vehicle::CanAllocateItem() || unit_num > _settings_game.vehicle.max_ships)
00746 return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
00747
00748 if (flags & DC_EXEC) {
00749 int x;
00750 int y;
00751
00752 const ShipVehicleInfo *svi = ShipVehInfo(p1);
00753
00754 Vehicle *v = new Ship();
00755 v->unitnumber = unit_num;
00756
00757 v->owner = _current_company;
00758 v->tile = tile;
00759 x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
00760 y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
00761 v->x_pos = x;
00762 v->y_pos = y;
00763 v->z_pos = GetSlopeZ(x, y);
00764
00765 v->running_ticks = 0;
00766
00767 v->UpdateDeltaXY(v->direction);
00768 v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
00769
00770 v->spritenum = svi->image_index;
00771 v->cargo_type = e->GetDefaultCargoType();
00772 v->cargo_subtype = 0;
00773 v->cargo_cap = svi->capacity;
00774 v->value = value.GetCost();
00775
00776 v->last_station_visited = INVALID_STATION;
00777 v->max_speed = svi->max_speed;
00778 v->engine_type = p1;
00779
00780 v->reliability = e->reliability;
00781 v->reliability_spd_dec = e->reliability_spd_dec;
00782 v->max_age = e->lifelength * DAYS_IN_LEAP_YEAR;
00783 _new_vehicle_id = v->index;
00784
00785 v->name = NULL;
00786 v->u.ship.state = TRACK_BIT_DEPOT;
00787
00788 v->service_interval = _settings_game.vehicle.servint_ships;
00789 v->date_of_last_service = _date;
00790 v->build_year = _cur_year;
00791 v->cur_image = 0x0E5E;
00792 v->random_bits = VehicleRandomBits();
00793
00794 v->vehicle_flags = 0;
00795 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
00796
00797 v->InvalidateNewGRFCacheOfChain();
00798
00799 v->cargo_cap = GetVehicleProperty(v, 0x0D, svi->capacity);
00800
00801 v->InvalidateNewGRFCacheOfChain();
00802
00803 VehicleMove(v, false);
00804
00805 InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
00806 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
00807 InvalidateWindow(WC_COMPANY, v->owner);
00808 if (IsLocalCompany())
00809 InvalidateAutoreplaceWindow(v->engine_type, v->group_id);
00810
00811 GetCompany(_current_company)->num_engines[p1]++;
00812 }
00813
00814 return value;
00815 }
00816
00823 CommandCost CmdSellShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00824 {
00825 Vehicle *v;
00826
00827 if (!IsValidVehicleID(p1)) return CMD_ERROR;
00828
00829 v = GetVehicle(p1);
00830
00831 if (v->type != VEH_SHIP || !CheckOwnership(v->owner)) return CMD_ERROR;
00832
00833 if (HASBITS(v->vehstatus, VS_CRASHED)) return_cmd_error(STR_CAN_T_SELL_DESTROYED_VEHICLE);
00834
00835 if (!v->IsStoppedInDepot()) {
00836 return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
00837 }
00838
00839 CommandCost ret(EXPENSES_NEW_VEHICLES, -v->value);
00840
00841 if (flags & DC_EXEC) {
00842 delete v;
00843 }
00844
00845 return ret;
00846 }
00847
00848 bool Ship::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
00849 {
00850 const Depot *depot = FindClosestShipDepot(this);
00851
00852 if (depot == NULL) return false;
00853
00854 if (location != NULL) *location = depot->xy;
00855 if (destination != NULL) *destination = depot->index;
00856
00857 return true;
00858 }
00859
00868 CommandCost CmdSendShipToDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00869 {
00870 if (p2 & DEPOT_MASS_SEND) {
00871
00872 if (!ValidVLWFlags(p2 & VLW_MASK)) return CMD_ERROR;
00873 return SendAllVehiclesToDepot(VEH_SHIP, flags, p2 & DEPOT_SERVICE, _current_company, (p2 & VLW_MASK), p1);
00874 }
00875
00876 if (!IsValidVehicleID(p1)) return CMD_ERROR;
00877
00878 Vehicle *v = GetVehicle(p1);
00879
00880 if (v->type != VEH_SHIP) return CMD_ERROR;
00881
00882 return v->SendToDepot(flags, (DepotCommand)(p2 & DEPOT_COMMAND_MASK));
00883 }
00884
00885
00896 CommandCost CmdRefitShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00897 {
00898 Vehicle *v;
00899 CommandCost cost(EXPENSES_SHIP_RUN);
00900 CargoID new_cid = GB(p2, 0, 8);
00901 byte new_subtype = GB(p2, 8, 8);
00902 uint16 capacity = CALLBACK_FAILED;
00903
00904 if (!IsValidVehicleID(p1)) return CMD_ERROR;
00905
00906 v = GetVehicle(p1);
00907
00908 if (v->type != VEH_SHIP || !CheckOwnership(v->owner)) return CMD_ERROR;
00909 if (!v->IsStoppedInDepot()) return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
00910 if (v->vehstatus & VS_CRASHED) return_cmd_error(STR_CAN_T_REFIT_DESTROYED_VEHICLE);
00911
00912
00913 if (!ShipVehInfo(v->engine_type)->refittable) return CMD_ERROR;
00914 if (new_cid >= NUM_CARGO || !CanRefitTo(v->engine_type, new_cid)) return CMD_ERROR;
00915
00916
00917 if (HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_REFIT_CAPACITY)) {
00918
00919 CargoID temp_cid = v->cargo_type;
00920 byte temp_subtype = v->cargo_subtype;
00921 v->cargo_type = new_cid;
00922 v->cargo_subtype = new_subtype;
00923
00924 capacity = GetVehicleCallback(CBID_VEHICLE_REFIT_CAPACITY, 0, 0, v->engine_type, v);
00925
00926
00927 v->cargo_type = temp_cid;
00928 v->cargo_subtype = temp_subtype;
00929 }
00930
00931 if (capacity == CALLBACK_FAILED) {
00932 capacity = GetVehicleProperty(v, 0x0D, ShipVehInfo(v->engine_type)->capacity);
00933 }
00934 _returned_refit_capacity = capacity;
00935
00936 if (new_cid != v->cargo_type) {
00937 cost = GetRefitCost(v->engine_type);
00938 }
00939
00940 if (flags & DC_EXEC) {
00941 v->cargo_cap = capacity;
00942 v->cargo.Truncate((v->cargo_type == new_cid) ? capacity : 0);
00943 v->cargo_type = new_cid;
00944 v->cargo_subtype = new_subtype;
00945 v->colourmap = PAL_NONE;
00946 v->InvalidateNewGRFCacheOfChain();
00947 InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
00948 InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
00949 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
00950 }
00951
00952 return cost;
00953
00954 }