/* $Id$ */ /** @file station_cmd.cpp Handling of station tiles. */ #include "stdafx.h" #include "openttd.h" #include "aircraft.h" #include "bridge_map.h" #include "cmd_helper.h" #include "landscape.h" #include "viewport_func.h" #include "command_func.h" #include "town.h" #include "news_func.h" #include "train.h" #include "roadveh.h" #include "industry_map.h" #include "newgrf_station.h" #include "newgrf_commons.h" #include "yapf/yapf.h" #include "road_internal.h" /* For drawing catenary/checking road removal */ #include "variables.h" #include "autoslope.h" #include "water.h" #include "station_gui.h" #include "strings_func.h" #include "functions.h" #include "window_func.h" #include "date_func.h" #include "vehicle_func.h" #include "string_func.h" #include "oldpool_func.h" #include "animated_tile_func.h" #include "elrail_func.h" #include "table/strings.h" DEFINE_OLD_POOL_GENERIC(Station, Station) DEFINE_OLD_POOL_GENERIC(RoadStop, RoadStop) /** * Check whether the given tile is a hangar. * @param t the tile to of whether it is a hangar. * @pre IsTileType(t, MP_STATION) * @return true if and only if the tile is a hangar. */ bool IsHangar(TileIndex t) { assert(IsTileType(t, MP_STATION)); const Station *st = GetStationByTile(t); const AirportFTAClass *apc = st->Airport(); for (uint i = 0; i < apc->nof_depots; i++) { if (st->airport_tile + ToTileIndexDiff(apc->airport_depots[i]) == t) return true; } return false; } RoadStop *GetRoadStopByTile(TileIndex tile, RoadStopType type) { const Station *st = GetStationByTile(tile); for (RoadStop *rs = st->GetPrimaryRoadStop(type);; rs = rs->next) { if (rs->xy == tile) return rs; assert(rs->next != NULL); } } static uint GetNumRoadStopsInStation(const Station *st, RoadStopType type) { uint num = 0; assert(st != NULL); for (const RoadStop *rs = st->GetPrimaryRoadStop(type); rs != NULL; rs = rs->next) { num++; } return num; } #define CHECK_STATIONS_ERR ((Station*)-1) static Station *GetStationAround(TileIndex tile, int w, int h, StationID closest_station) { /* check around to see if there's any stations there */ BEGIN_TILE_LOOP(tile_cur, w + 2, h + 2, tile - TileDiffXY(1, 1)) if (IsTileType(tile_cur, MP_STATION)) { StationID t = GetStationIndex(tile_cur); if (closest_station == INVALID_STATION) { closest_station = t; } else if (closest_station != t) { _error_message = STR_3006_ADJOINS_MORE_THAN_ONE_EXISTING; return CHECK_STATIONS_ERR; } } END_TILE_LOOP(tile_cur, w + 2, h + 2, tile - TileDiffXY(1, 1)) return (closest_station == INVALID_STATION) ? NULL : GetStation(closest_station); } /** * Function to check whether the given tile matches some criterion. * @param tile the tile to check * @return true if it matches, false otherwise */ typedef bool (*CMSAMatcher)(TileIndex tile); /** * Counts the numbers of tiles matching a specific type in the area around * @param tile the center tile of the 'count area' * @param type the type of tile searched for * @param industry when type == MP_INDUSTRY, the type of the industry, * in all other cases this parameter is ignored * @return the result the noumber of matching tiles around */ static int CountMapSquareAround(TileIndex tile, CMSAMatcher cmp) { int num = 0; for (int dx = -3; dx <= 3; dx++) { for (int dy = -3; dy <= 3; dy++) { if (cmp(TILE_MASK(tile + TileDiffXY(dx, dy)))) num++; } } return num; } /** * Check whether the tile is a mine. * @param tile the tile to investigate. * @return true if and only if the tile is a mine */ static bool CMSAMine(TileIndex tile) { /* No industry */ if (!IsTileType(tile, MP_INDUSTRY)) return false; const Industry *ind = GetIndustryByTile(tile); /* No extractive industry */ if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_EXTRACTIVE) == 0) return false; for (uint i = 0; i < lengthof(ind->produced_cargo); i++) { /* The industry extracts something non-liquid, i.e. no oil or plastic, so it is a mine */ if (ind->produced_cargo[i] != CT_INVALID && (GetCargo(ind->produced_cargo[i])->classes & CC_LIQUID) == 0) return true; } return false; } /** * Check whether the tile is water. * @param tile the tile to investigate. * @return true if and only if the tile is a mine */ static bool CMSAWater(TileIndex tile) { return IsTileType(tile, MP_WATER) && IsWater(tile); } /** * Check whether the tile is a tree. * @param tile the tile to investigate. * @return true if and only if the tile is a mine */ static bool CMSATree(TileIndex tile) { return IsTileType(tile, MP_TREES); } /** * Check whether the tile is a forest. * @param tile the tile to investigate. * @return true if and only if the tile is a mine */ static bool CMSAForest(TileIndex tile) { /* No industry */ if (!IsTileType(tile, MP_INDUSTRY)) return false; const Industry *ind = GetIndustryByTile(tile); /* No extractive industry */ if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_ORGANIC) == 0) return false; for (uint i = 0; i < lengthof(ind->produced_cargo); i++) { /* The industry produces wood. */ if (ind->produced_cargo[i] != CT_INVALID && GetCargo(ind->produced_cargo[i])->label == 'WOOD') return true; } return false; } #define M(x) ((x) - STR_SV_STNAME) enum StationNaming { STATIONNAMING_RAIL = 0, STATIONNAMING_ROAD = 0, STATIONNAMING_AIRPORT, STATIONNAMING_OILRIG, STATIONNAMING_DOCK, STATIONNAMING_BUOY, STATIONNAMING_HELIPORT, }; /** Information to handle station action 0 property 24 correctly */ struct StationNameInformation { uint32 free_names; ///< Current bitset of free names (we can remove names). bool *indtypes; ///< Array of bools telling whether an industry type has been found. }; /** * Find a station action 0 property 24 station name, or reduce the * free_names if needed. * @param tile the tile to search * @param user_data the StationNameInformation to base the search on * @return true if the tile contains an industry that has not given * it's name to one of the other stations in town. */ static bool FindNearIndustryName(TileIndex tile, void *user_data) { /* All already found industry types */ StationNameInformation *sni = (StationNameInformation*)user_data; if (!IsTileType(tile, MP_INDUSTRY)) return false; /* If the station name is undefined it means that it doesn't name a station */ IndustryType indtype = GetIndustryType(tile); if (GetIndustrySpec(indtype)->station_name == STR_UNDEFINED) return false; /* In all cases if an industry that provides a name is found two of * the standard names will be disabled. */ sni->free_names &= ~(1 << M(STR_SV_STNAME_OILFIELD) | 1 << M(STR_SV_STNAME_MINES)); return !sni->indtypes[indtype]; } static StringID GenerateStationName(Station *st, TileIndex tile, int flag) { static const uint32 _gen_station_name_bits[] = { 0, /* 0 */ 1 << M(STR_SV_STNAME_AIRPORT), /* 1 */ 1 << M(STR_SV_STNAME_OILFIELD), /* 2 */ 1 << M(STR_SV_STNAME_DOCKS), /* 3 */ 0x1FF << M(STR_SV_STNAME_BUOY_1), /* 4 */ 1 << M(STR_SV_STNAME_HELIPORT), /* 5 */ }; const Town *t = st->town; uint32 free_names = UINT32_MAX; bool indtypes[NUM_INDUSTRYTYPES]; memset(indtypes, 0, sizeof(indtypes)); const Station *s; FOR_ALL_STATIONS(s) { if (s != st && s->town == t) { if (s->indtype != IT_INVALID) { indtypes[s->indtype] = true; continue; } uint str = M(s->string_id); if (str <= 0x20) { if (str == M(STR_SV_STNAME_FOREST)) { str = M(STR_SV_STNAME_WOODS); } ClrBit(free_names, str); } } } if (flag != STATIONNAMING_BUOY) { TileIndex indtile = tile; StationNameInformation sni = { free_names, indtypes }; if (CircularTileSearch(&indtile, 7, FindNearIndustryName, &sni)) { /* An industry has been found nearby */ IndustryType indtype = GetIndustryType(indtile); const IndustrySpec *indsp = GetIndustrySpec(indtype); /* STR_NULL means it only disables oil rig/mines */ if (indsp->station_name != STR_NULL) { st->indtype = indtype; return STR_SV_STNAME_FALLBACK; } } /* Oil rigs/mines name could be marked not free by looking for a near by industry. */ free_names = sni.free_names; } /* check default names */ uint32 tmp = free_names & _gen_station_name_bits[flag]; if (tmp != 0) return STR_SV_STNAME + FindFirstBit(tmp); /* check mine? */ if (HasBit(free_names, M(STR_SV_STNAME_MINES))) { if (CountMapSquareAround(tile, CMSAMine) >= 2) { return STR_SV_STNAME_MINES; } } /* check close enough to town to get central as name? */ if (DistanceMax(tile, t->xy) < 8) { if (HasBit(free_names, M(STR_SV_STNAME))) return STR_SV_STNAME; if (HasBit(free_names, M(STR_SV_STNAME_CENTRAL))) return STR_SV_STNAME_CENTRAL; } /* Check lakeside */ if (HasBit(free_names, M(STR_SV_STNAME_LAKESIDE)) && DistanceFromEdge(tile) < 20 && CountMapSquareAround(tile, CMSAWater) >= 5) { return STR_SV_STNAME_LAKESIDE; } /* Check woods */ if (HasBit(free_names, M(STR_SV_STNAME_WOODS)) && ( CountMapSquareAround(tile, CMSATree) >= 8 || CountMapSquareAround(tile, CMSAForest) >= 2) ) { return _settings_game.game_creation.landscape == LT_TROPIC ? STR_SV_STNAME_FOREST : STR_SV_STNAME_WOODS; } /* check elevation compared to town */ uint z = GetTileZ(tile); uint z2 = GetTileZ(t->xy); if (z < z2) { if (HasBit(free_names, M(STR_SV_STNAME_VALLEY))) return STR_SV_STNAME_VALLEY; } else if (z > z2) { if (HasBit(free_names, M(STR_SV_STNAME_HEIGHTS))) return STR_SV_STNAME_HEIGHTS; } /* check direction compared to town */ static const int8 _direction_and_table[] = { ~( (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ), ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_NORTH)) ), ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ), ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) ), }; free_names &= _direction_and_table[ (TileX(tile) < TileX(t->xy)) + (TileY(tile) < TileY(t->xy)) * 2]; tmp = free_names & ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 6) | (1 << 7) | (1 << 12) | (1 << 26) | (1 << 27) | (1 << 28) | (1 << 29) | (1 << 30)); return (tmp == 0) ? STR_SV_STNAME_FALLBACK : (STR_SV_STNAME + FindFirstBit(tmp)); } #undef M /** * Find the closest deleted station of the current company * @param tile the tile to search from. * @return the closest station or NULL if too far. */ static Station *GetClosestDeletedStation(TileIndex tile) { uint threshold = 8; Station *best_station = NULL; Station *st; FOR_ALL_STATIONS(st) { if (st->facilities == 0 && st->owner == _current_company) { uint cur_dist = DistanceManhattan(tile, st->xy); if (cur_dist < threshold) { threshold = cur_dist; best_station = st; } } } return best_station; } /** Update the virtual coords needed to draw the station sign. * @param st Station to update for. */ static void UpdateStationVirtCoord(Station *st) { Point pt = RemapCoords2(TileX(st->xy) * TILE_SIZE, TileY(st->xy) * TILE_SIZE); pt.y -= 32; if (st->facilities & FACIL_AIRPORT && st->airport_type == AT_OILRIG) pt.y -= 16; SetDParam(0, st->index); SetDParam(1, st->facilities); UpdateViewportSignPos(&st->sign, pt.x, pt.y, STR_305C_0); } /** Update the virtual coords needed to draw the station sign for all stations. */ void UpdateAllStationVirtCoord() { Station *st; FOR_ALL_STATIONS(st) { UpdateStationVirtCoord(st); } } /** * Update the station virt coords while making the modified parts dirty. * * This function updates the virt coords and mark the modified parts as dirty * * @param st The station to update the virt coords * @ingroup dirty */ static void UpdateStationVirtCoordDirty(Station *st) { st->MarkDirty(); UpdateStationVirtCoord(st); st->MarkDirty(); } /** Get a mask of the cargo types that the station accepts. * @param st Station to query * @return the expected mask */ static uint GetAcceptanceMask(const Station *st) { uint mask = 0; for (CargoID i = 0; i < NUM_CARGO; i++) { if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE)) mask |= 1 << i; } return mask; } /** Items contains the two cargo names that are to be accepted or rejected. * msg is the string id of the message to display. */ static void ShowRejectOrAcceptNews(const Station *st, uint num_items, CargoID *cargo, StringID msg) { for (uint i = 0; i < num_items; i++) { SetDParam(i + 1, GetCargo(cargo[i])->name); } SetDParam(0, st->index); AddNewsItem(msg, NS_ACCEPTANCE, st->xy, st->index); } /** * Get a list of the cargo types being produced around the tile (in a rectangle). * @param produced Destination array of produced cargo * @param tile Northtile of area * @param w X extent of the area * @param h Y extent of the area * @param rad Search radius in addition to the given area */ void GetProductionAroundTiles(AcceptedCargo produced, TileIndex tile, int w, int h, int rad) { memset(produced, 0, sizeof(AcceptedCargo)); // sizeof(AcceptedCargo) != sizeof(produced) (== sizeof(uint *)) int x = TileX(tile); int y = TileY(tile); /* expand the region by rad tiles on each side * while making sure that we remain inside the board. */ int x2 = min(x + w + rad, MapSizeX()); int x1 = max(x - rad, 0); int y2 = min(y + h + rad, MapSizeY()); int y1 = max(y - rad, 0); assert(x1 < x2); assert(y1 < y2); assert(w > 0); assert(h > 0); for (int yc = y1; yc != y2; yc++) { for (int xc = x1; xc != x2; xc++) { TileIndex tile = TileXY(xc, yc); if (!IsTileType(tile, MP_STATION)) { GetProducedCargoProc *gpc = _tile_type_procs[GetTileType(tile)]->get_produced_cargo_proc; if (gpc != NULL) { CargoID cargos[256]; // Required for CBID_HOUSE_PRODUCE_CARGO. memset(cargos, CT_INVALID, sizeof(cargos)); gpc(tile, cargos); for (uint i = 0; i < lengthof(cargos); ++i) { if (cargos[i] != CT_INVALID) produced[cargos[i]]++; } } } } } } /** * Get a list of the cargo types that are accepted around the tile. * @param accepts Destination array of accepted cargo * @param tile Center of the search area * @param w X extent of area * @param h Y extent of area * @param rad Search radius in addition to given area */ void GetAcceptanceAroundTiles(AcceptedCargo accepts, TileIndex tile, int w, int h, int rad) { memset(accepts, 0, sizeof(AcceptedCargo)); // sizeof(AcceptedCargo) != sizeof(accepts) (== sizeof(uint *)) int x = TileX(tile); int y = TileY(tile); /* expand the region by rad tiles on each side * while making sure that we remain inside the board. */ int x2 = min(x + w + rad, MapSizeX()); int y2 = min(y + h + rad, MapSizeY()); int x1 = max(x - rad, 0); int y1 = max(y - rad, 0); assert(x1 < x2); assert(y1 < y2); assert(w > 0); assert(h > 0); for (int yc = y1; yc != y2; yc++) { for (int xc = x1; xc != x2; xc++) { TileIndex tile = TileXY(xc, yc); if (!IsTileType(tile, MP_STATION)) { AcceptedCargo ac; GetAcceptedCargo(tile, ac); for (uint i = 0; i < lengthof(ac); ++i) accepts[i] += ac[i]; } } } } static inline void MergePoint(Rect *rect, TileIndex tile) { int x = TileX(tile); int y = TileY(tile); if (rect->left > x) rect->left = x; if (rect->bottom > y) rect->bottom = y; if (rect->right < x) rect->right = x; if (rect->top < y) rect->top = y; } /** Update the acceptance for a station. * @param st Station to update * @param show_msg controls whether to display a message that acceptance was changed. */ static void UpdateStationAcceptance(Station *st, bool show_msg) { /* Don't update acceptance for a buoy */ if (st->IsBuoy()) return; Rect rect; rect.left = MapSizeX(); rect.bottom = MapSizeY(); rect.right = 0; rect.top = 0; /* old accepted goods types */ uint old_acc = GetAcceptanceMask(st); /* Put all the tiles that span an area in the table. */ if (st->train_tile != INVALID_TILE) { MergePoint(&rect, st->train_tile); MergePoint(&rect, st->train_tile + TileDiffXY(st->trainst_w - 1, st->trainst_h - 1)); } if (st->airport_tile != INVALID_TILE) { const AirportFTAClass *afc = st->Airport(); MergePoint(&rect, st->airport_tile); MergePoint(&rect, st->airport_tile + TileDiffXY(afc->size_x - 1, afc->size_y - 1)); } if (st->dock_tile != INVALID_TILE) { MergePoint(&rect, st->dock_tile); if (IsDockTile(st->dock_tile)) { MergePoint(&rect, st->dock_tile + TileOffsByDiagDir(GetDockDirection(st->dock_tile))); } // else OilRig } for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) { MergePoint(&rect, rs->xy); } for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) { MergePoint(&rect, rs->xy); } /* And retrieve the acceptance. */ AcceptedCargo accepts; assert((rect.right >= rect.left) == !st->rect.IsEmpty()); if (rect.right >= rect.left) { assert(rect.left == st->rect.left); assert(rect.top == st->rect.bottom); assert(rect.right == st->rect.right); assert(rect.bottom == st->rect.top); GetAcceptanceAroundTiles( accepts, TileXY(rect.left, rect.bottom), rect.right - rect.left + 1, rect.top - rect.bottom + 1, st->GetCatchmentRadius() ); } else { memset(accepts, 0, sizeof(accepts)); } /* Adjust in case our station only accepts fewer kinds of goods */ for (CargoID i = 0; i < NUM_CARGO; i++) { uint amt = min(accepts[i], 15); /* Make sure the station can accept the goods type. */ bool is_passengers = IsCargoInClass(i, CC_PASSENGERS); if ((!is_passengers && !(st->facilities & (byte)~FACIL_BUS_STOP)) || (is_passengers && !(st->facilities & (byte)~FACIL_TRUCK_STOP))) { amt = 0; } SB(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, amt >= 8); } /* Only show a message in case the acceptance was actually changed. */ uint new_acc = GetAcceptanceMask(st); if (old_acc == new_acc) return; /* show a message to report that the acceptance was changed? */ if (show_msg && st->owner == _local_company && st->facilities) { /* List of accept and reject strings for different number of * cargo types */ static const StringID accept_msg[] = { STR_3040_NOW_ACCEPTS, STR_3041_NOW_ACCEPTS_AND, }; static const StringID reject_msg[] = { STR_303E_NO_LONGER_ACCEPTS, STR_303F_NO_LONGER_ACCEPTS_OR, }; /* Array of accepted and rejected cargo types */ CargoID accepts[2] = { CT_INVALID, CT_INVALID }; CargoID rejects[2] = { CT_INVALID, CT_INVALID }; uint num_acc = 0; uint num_rej = 0; /* Test each cargo type to see if its acceptange has changed */ for (CargoID i = 0; i < NUM_CARGO; i++) { if (HasBit(new_acc, i)) { if (!HasBit(old_acc, i) && num_acc < lengthof(accepts)) { /* New cargo is accepted */ accepts[num_acc++] = i; } } else { if (HasBit(old_acc, i) && num_rej < lengthof(rejects)) { /* Old cargo is no longer accepted */ rejects[num_rej++] = i; } } } /* Show news message if there are any changes */ if (num_acc > 0) ShowRejectOrAcceptNews(st, num_acc, accepts, accept_msg[num_acc - 1]); if (num_rej > 0) ShowRejectOrAcceptNews(st, num_rej, rejects, reject_msg[num_rej - 1]); } /* redraw the station view since acceptance changed */ InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_ACCEPTLIST); } static void UpdateStationSignCoord(Station *st) { const StationRect *r = &st->rect; if (r->IsEmpty()) return; /* no tiles belong to this station */ /* clamp sign coord to be inside the station rect */ st->xy = TileXY(ClampU(TileX(st->xy), r->left, r->right), ClampU(TileY(st->xy), r->top, r->bottom)); UpdateStationVirtCoordDirty(st); } /** This is called right after a station was deleted. * It checks if the whole station is free of substations, and if so, the station will be * deleted after a little while. * @param st Station */ static void DeleteStationIfEmpty(Station *st) { if (st->facilities == 0) { st->delete_ctr = 0; InvalidateWindowData(WC_STATION_LIST, st->owner, 0); } /* station remains but it probably lost some parts - station sign should stay in the station boundaries */ UpdateStationSignCoord(st); } static CommandCost ClearTile_Station(TileIndex tile, byte flags); /** Tries to clear the given area. * @param tile TileIndex to start check * @param w width of search area * @param h height of search area * @param flags operation to perform * @param invalid_dirs prohibited directions (set of DiagDirections) * @param station StationID to be queried and returned if available * @param check_clear if clearing tile should be performed (in wich case, cost will be added) * @return the cost in case of success, or an error code if it failed. */ CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, StationID *station, bool check_clear = true) { CommandCost cost(EXPENSES_CONSTRUCTION); int allowed_z = -1; BEGIN_TILE_LOOP(tile_cur, w, h, tile) { if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) { return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); } if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR; uint z; Slope tileh = GetTileSlope(tile_cur, &z); /* Prohibit building if * 1) The tile is "steep" (i.e. stretches two height levels) * 2) The tile is non-flat and the build_on_slopes switch is disabled */ if (IsSteepSlope(tileh) || ((!_settings_game.construction.build_on_slopes) && tileh != SLOPE_FLAT)) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } int flat_z = z; if (tileh != SLOPE_FLAT) { /* need to check so the entrance to the station is not pointing at a slope. * This must be valid for all station tiles, as the user can remove single station tiles. */ if ((HasBit(invalid_dirs, DIAGDIR_NE) && !(tileh & SLOPE_NE)) || (HasBit(invalid_dirs, DIAGDIR_SE) && !(tileh & SLOPE_SE)) || (HasBit(invalid_dirs, DIAGDIR_SW) && !(tileh & SLOPE_SW)) || (HasBit(invalid_dirs, DIAGDIR_NW) && !(tileh & SLOPE_NW))) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } cost.AddCost(_price.terraform); flat_z += TILE_HEIGHT; } /* get corresponding flat level and make sure that all parts of the station have the same level. */ if (allowed_z == -1) { /* first tile */ allowed_z = flat_z; } else if (allowed_z != flat_z) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } /* if station is set, then we have special handling to allow building on top of already existing stations. * so station points to INVALID_STATION if we can build on any station. * Or it points to a station if we're only allowed to build on exactly that station. */ if (station != NULL && IsTileType(tile_cur, MP_STATION)) { if (!IsRailwayStation(tile_cur)) { return ClearTile_Station(tile_cur, DC_AUTO); // get error message } else { StationID st = GetStationIndex(tile_cur); if (*station == INVALID_STATION) { *station = st; } else if (*station != st) { return_cmd_error(STR_3006_ADJOINS_MORE_THAN_ONE_EXISTING); } } } else if (check_clear) { CommandCost ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; cost.AddCost(ret); } } END_TILE_LOOP(tile_cur, w, h, tile) return cost; } static bool CanExpandRailroadStation(const Station *st, uint *fin, Axis axis) { uint curw = st->trainst_w; uint curh = st->trainst_h; TileIndex tile = fin[0]; uint w = fin[1]; uint h = fin[2]; if (_settings_game.station.nonuniform_stations) { /* determine new size of train station region.. */ int x = min(TileX(st->train_tile), TileX(tile)); int y = min(TileY(st->train_tile), TileY(tile)); curw = max(TileX(st->train_tile) + curw, TileX(tile) + w) - x; curh = max(TileY(st->train_tile) + curh, TileY(tile) + h) - y; tile = TileXY(x, y); } else { /* do not allow modifying non-uniform stations, * the uniform-stations code wouldn't handle it well */ BEGIN_TILE_LOOP(t, st->trainst_w, st->trainst_h, st->train_tile) if (!st->TileBelongsToRailStation(t)) { // there may be adjoined station _error_message = STR_NONUNIFORM_STATIONS_DISALLOWED; return false; } END_TILE_LOOP(t, st->trainst_w, st->trainst_h, st->train_tile) /* check so the orientation is the same */ if (GetRailStationAxis(st->train_tile) != axis) { _error_message = STR_NONUNIFORM_STATIONS_DISALLOWED; return false; } /* check if the new station adjoins the old station in either direction */ if (curw == w && st->train_tile == tile + TileDiffXY(0, h)) { /* above */ curh += h; } else if (curw == w && st->train_tile == tile - TileDiffXY(0, curh)) { /* below */ tile -= TileDiffXY(0, curh); curh += h; } else if (curh == h && st->train_tile == tile + TileDiffXY(w, 0)) { /* to the left */ curw += w; } else if (curh == h && st->train_tile == tile - TileDiffXY(curw, 0)) { /* to the right */ tile -= TileDiffXY(curw, 0); curw += w; } else { _error_message = STR_NONUNIFORM_STATIONS_DISALLOWED; return false; } } /* make sure the final size is not too big. */ if (curw > _settings_game.station.station_spread || curh > _settings_game.station.station_spread) { _error_message = STR_306C_STATION_TOO_SPREAD_OUT; return false; } /* now tile contains the new value for st->train_tile * curw, curh contain the new value for width and height */ fin[0] = tile; fin[1] = curw; fin[2] = curh; return true; } static inline byte *CreateSingle(byte *layout, int n) { int i = n; do *layout++ = 0; while (--i); layout[((n - 1) >> 1) - n] = 2; return layout; } static inline byte *CreateMulti(byte *layout, int n, byte b) { int i = n; do *layout++ = b; while (--i); if (n > 4) { layout[0 - n] = 0; layout[n - 1 - n] = 0; } return layout; } static void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec) { if (statspec != NULL && statspec->lengths >= plat_len && statspec->platforms[plat_len - 1] >= numtracks && statspec->layouts[plat_len - 1][numtracks - 1]) { /* Custom layout defined, follow it. */ memcpy(layout, statspec->layouts[plat_len - 1][numtracks - 1], plat_len * numtracks); return; } if (plat_len == 1) { CreateSingle(layout, numtracks); } else { if (numtracks & 1) layout = CreateSingle(layout, plat_len); numtracks >>= 1; while (--numtracks >= 0) { layout = CreateMulti(layout, plat_len, 4); layout = CreateMulti(layout, plat_len, 6); } } } /** Build railroad station * @param tile_org starting position of station dragging/placement * @param flags operation to perform * @param p1 various bitstuffed elements * - p1 = (bit 0- 3) - railtype (p1 & 0xF) * - p1 = (bit 4) - orientation (Axis) * - p1 = (bit 8-15) - number of tracks * - p1 = (bit 16-23) - platform length * - p1 = (bit 24) - allow stations directly adjacent to other stations. * @param p2 various bitstuffed elements * - p2 = (bit 0- 7) - custom station class * - p2 = (bit 8-15) - custom station id * - p2 = (bit 16-31) - station ID to join (INVALID_STATION if build new one) */ CommandCost CmdBuildRailroadStation(TileIndex tile_org, uint32 flags, uint32 p1, uint32 p2, const char *text) { /* Does the authority allow this? */ if (!CheckIfAuthorityAllowsNewStation(tile_org, flags)) return CMD_ERROR; if (!ValParamRailtype((RailType)(p1 & 0xF))) return CMD_ERROR; /* unpack parameters */ Axis axis = Extract(p1); uint numtracks = GB(p1, 8, 8); uint plat_len = GB(p1, 16, 8); int w_org, h_org; if (axis == AXIS_X) { w_org = plat_len; h_org = numtracks; } else { h_org = plat_len; w_org = numtracks; } StationID station_to_join = GB(p2, 16, 16); bool distant_join = (station_to_join != INVALID_STATION); if (distant_join && (!_settings_game.station.distant_join_stations || !IsValidStationID(station_to_join))) return CMD_ERROR; if (h_org > _settings_game.station.station_spread || w_org > _settings_game.station.station_spread) return CMD_ERROR; /* these values are those that will be stored in train_tile and station_platforms */ uint finalvalues[3]; finalvalues[0] = tile_org; finalvalues[1] = w_org; finalvalues[2] = h_org; /* Make sure the area below consists of clear tiles. (OR tiles belonging to a certain rail station) */ StationID est = INVALID_STATION; /* If DC_EXEC is in flag, do not want to pass it to CheckFlatLandBelow, because of a nice bug * for detail info, see: * https://sourceforge.net/tracker/index.php?func=detail&aid=1029064&group_id=103924&atid=636365 */ CommandCost ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags & ~DC_EXEC, 5 << axis, _settings_game.station.nonuniform_stations ? &est : NULL); if (CmdFailed(ret)) return ret; CommandCost cost(EXPENSES_CONSTRUCTION, ret.GetCost() + (numtracks * _price.train_station_track + _price.train_station_length) * plat_len); Station *st = NULL; bool check_surrounding = true; if (_settings_game.station.adjacent_stations) { if (est != INVALID_STATION) { if (HasBit(p1, 24) && est != station_to_join) { /* You can't build an adjacent station over the top of one that * already exists. */ return_cmd_error(STR_MUST_REMOVE_RAILWAY_STATION_FIRST); } else { /* Extend the current station, and don't check whether it will * be near any other stations. */ st = GetStation(est); check_surrounding = false; } } else { /* There's no station here. Don't check the tiles surrounding this * one if the company wanted to build an adjacent station. */ if (HasBit(p1, 24)) check_surrounding = false; } } if (check_surrounding) { /* Make sure there are no similar stations around us. */ st = GetStationAround(tile_org, w_org, h_org, est); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; } /* Distant join */ if (st == NULL && distant_join) st = GetStation(station_to_join); /* See if there is a deleted station close to us. */ if (st == NULL) st = GetClosestDeletedStation(tile_org); if (st != NULL) { /* Reuse an existing station. */ if (st->owner != _current_company) return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); if (st->train_tile != INVALID_TILE) { /* check if we want to expanding an already existing station? */ if (!_settings_game.station.join_stations) return_cmd_error(STR_3005_TOO_CLOSE_TO_ANOTHER_RAILROAD); if (!CanExpandRailroadStation(st, finalvalues, axis)) return CMD_ERROR; } /* XXX can't we pack this in the "else" part of the if above? */ if (!st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TEST)) return CMD_ERROR; } else { /* allocate and initialize new station */ if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING); if (flags & DC_EXEC) { st = new Station(tile_org); st->town = ClosestTownFromTile(tile_org, UINT_MAX); st->string_id = GenerateStationName(st, tile_org, STATIONNAMING_RAIL); if (IsValidCompanyID(_current_company)) { SetBit(st->town->have_ratings, _current_company); } } } /* Check if the given station class is valid */ if (GB(p2, 0, 8) >= GetNumStationClasses()) return CMD_ERROR; /* Check if we can allocate a custom stationspec to this station */ const StationSpec *statspec = GetCustomStationSpec((StationClassID)GB(p2, 0, 8), GB(p2, 8, 8)); int specindex = AllocateSpecToStation(statspec, st, flags & DC_EXEC); if (specindex == -1) return_cmd_error(STR_TOO_MANY_STATION_SPECS); if (statspec != NULL) { /* Perform NewStation checks */ /* Check if the station size is permitted */ if (HasBit(statspec->disallowed_platforms, numtracks - 1) || HasBit(statspec->disallowed_lengths, plat_len - 1)) { return CMD_ERROR; } /* Check if the station is buildable */ if (HasBit(statspec->callbackmask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) { return CMD_ERROR; } } if (flags & DC_EXEC) { TileIndexDiff tile_delta; byte *layout_ptr; byte numtracks_orig; Track track; /* Now really clear the land below the station * It should never return CMD_ERROR.. but you never know ;) * (a bit strange function name for it, but it really does clear the land, when DC_EXEC is in flags) */ ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags, 5 << axis, _settings_game.station.nonuniform_stations ? &est : NULL); if (CmdFailed(ret)) return ret; st->train_tile = finalvalues[0]; st->AddFacility(FACIL_TRAIN, finalvalues[0]); st->trainst_w = finalvalues[1]; st->trainst_h = finalvalues[2]; st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TRY); if (statspec != NULL) { /* Include this station spec's animation trigger bitmask * in the station's cached copy. */ st->cached_anim_triggers |= statspec->anim_triggers; } tile_delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1)); track = AxisToTrack(axis); layout_ptr = AllocaM(byte, numtracks * plat_len); GetStationLayout(layout_ptr, numtracks, plat_len, statspec); numtracks_orig = numtracks; SmallVector affected_vehicles; do { TileIndex tile = tile_org; int w = plat_len; do { byte layout = *layout_ptr++; if (IsRailwayStationTile(tile) && GetRailwayStationReservation(tile)) { /* Check for trains having a reservation for this tile. */ Vehicle *v = GetTrainForReservation(tile, AxisToTrack(GetRailStationAxis(tile))); if (v != NULL) { FreeTrainTrackReservation(v); *affected_vehicles.Append() = v; if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(GetVehicleTrackdir(v)), false); for (; v->Next() != NULL; v = v->Next()) ; if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(GetVehicleTrackdir(v))), false); } } byte old_specindex = IsTileType(tile, MP_STATION) ? GetCustomStationSpecIndex(tile) : 0; MakeRailStation(tile, st->owner, st->index, axis, layout & ~1, (RailType)GB(p1, 0, 4)); /* Free the spec if we overbuild something */ DeallocateSpecFromStation(st, old_specindex); SetCustomStationSpecIndex(tile, specindex); SetStationTileRandomBits(tile, GB(Random(), 0, 4)); SetStationAnimationFrame(tile, 0); if (statspec != NULL) { /* Use a fixed axis for GetPlatformInfo as our platforms / numtracks are always the right way around */ uint32 platinfo = GetPlatformInfo(AXIS_X, 0, plat_len, numtracks_orig, plat_len - w, numtracks_orig - numtracks, false); /* As the station is not yet completely finished, the station does not yet exist. */ uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, platinfo, 0, statspec, NULL, tile); if (callback != CALLBACK_FAILED && callback < 8) SetStationGfx(tile, (callback & ~1) + axis); /* Trigger station animation -- after building? */ StationAnimationTrigger(st, tile, STAT_ANIM_BUILT); } tile += tile_delta; } while (--w); AddTrackToSignalBuffer(tile_org, track, _current_company); YapfNotifyTrackLayoutChange(tile_org, track); tile_org += tile_delta ^ TileDiffXY(1, 1); // perpendicular to tile_delta } while (--numtracks); for (uint i = 0; i < affected_vehicles.Length(); ++i) { /* Restore reservations of trains. */ Vehicle *v = affected_vehicles[i]; if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(GetVehicleTrackdir(v)), true); TryPathReserve(v, true, true); for (; v->Next() != NULL; v = v->Next()) ; if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(GetVehicleTrackdir(v))), true); } st->MarkTilesDirty(false); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); InvalidateWindowData(WC_SELECT_STATION, 0, 0); InvalidateWindowData(WC_STATION_LIST, st->owner, 0); InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS); } return cost; } static void MakeRailwayStationAreaSmaller(Station *st) { uint w = st->trainst_w; uint h = st->trainst_h; TileIndex tile = st->train_tile; restart: /* too small? */ if (w != 0 && h != 0) { /* check the left side, x = constant, y changes */ for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(0, i));) { /* the left side is unused? */ if (++i == h) { tile += TileDiffXY(1, 0); w--; goto restart; } } /* check the right side, x = constant, y changes */ for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(w - 1, i));) { /* the right side is unused? */ if (++i == h) { w--; goto restart; } } /* check the upper side, y = constant, x changes */ for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(i, 0));) { /* the left side is unused? */ if (++i == w) { tile += TileDiffXY(0, 1); h--; goto restart; } } /* check the lower side, y = constant, x changes */ for (uint i = 0; !st->TileBelongsToRailStation(tile + TileDiffXY(i, h - 1));) { /* the left side is unused? */ if (++i == w) { h--; goto restart; } } } else { tile = INVALID_TILE; } st->trainst_w = w; st->trainst_h = h; st->train_tile = tile; } /** Remove a single tile from a railroad station. * This allows for custom-built station with holes and weird layouts * @param tile tile of station piece to remove * @param flags operation to perform * @param p1 start_tile * @param p2 unused */ CommandCost CmdRemoveFromRailroadStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { TileIndex start = p1 == 0 ? tile : p1; /* Count of the number of tiles removed */ int quantity = 0; if (tile >= MapSize() || start >= MapSize()) return CMD_ERROR; /* make sure sx,sy are smaller than ex,ey */ int ex = TileX(tile); int ey = TileY(tile); int sx = TileX(start); int sy = TileY(start); if (ex < sx) Swap(ex, sx); if (ey < sy) Swap(ey, sy); tile = TileXY(sx, sy); int size_x = ex - sx + 1; int size_y = ey - sy + 1; /* Do the action for every tile into the area */ BEGIN_TILE_LOOP(tile2, size_x, size_y, tile) { /* Make sure the specified tile is a railroad station */ if (!IsTileType(tile2, MP_STATION) || !IsRailwayStation(tile2)) { continue; } /* If there is a vehicle on ground, do not allow to remove (flood) the tile */ if (!EnsureNoVehicleOnGround(tile2)) { continue; } /* Check ownership of station */ Station *st = GetStationByTile(tile2); if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) { continue; } /* Do not allow removing from stations if non-uniform stations are not enabled * The check must be here to give correct error message */ if (!_settings_game.station.nonuniform_stations) return_cmd_error(STR_NONUNIFORM_STATIONS_DISALLOWED); /* If we reached here, the tile is valid so increase the quantity of tiles we will remove */ quantity++; if (flags & DC_EXEC) { /* read variables before the station tile is removed */ uint specindex = GetCustomStationSpecIndex(tile2); Track track = GetRailStationTrack(tile2); Owner owner = GetTileOwner(tile2); Vehicle *v = NULL; if (GetRailwayStationReservation(tile2)) { v = GetTrainForReservation(tile2, track); if (v != NULL) { /* Free train reservation. */ FreeTrainTrackReservation(v); if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(GetVehicleTrackdir(v)), false); Vehicle *temp = v; for (; temp->Next() != NULL; temp = temp->Next()) ; if (IsRailwayStationTile(temp->tile)) SetRailwayStationPlatformReservation(temp->tile, TrackdirToExitdir(ReverseTrackdir(GetVehicleTrackdir(temp))), false); } } DoClearSquare(tile2); st->rect.AfterRemoveTile(st, tile2); AddTrackToSignalBuffer(tile2, track, owner); YapfNotifyTrackLayoutChange(tile2, track); DeallocateSpecFromStation(st, specindex); /* now we need to make the "spanned" area of the railway station smaller * if we deleted something at the edges. * we also need to adjust train_tile. */ MakeRailwayStationAreaSmaller(st); st->MarkTilesDirty(false); UpdateStationSignCoord(st); if (v != NULL) { /* Restore station reservation. */ if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(GetVehicleTrackdir(v)), true); TryPathReserve(v, true, true); for (; v->Next() != NULL; v = v->Next()) ; if (IsRailwayStationTile(v->tile)) SetRailwayStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(GetVehicleTrackdir(v))), true); } /* if we deleted the whole station, delete the train facility. */ if (st->train_tile == INVALID_TILE) { st->facilities &= ~FACIL_TRAIN; InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } } } END_TILE_LOOP(tile2, size_x, size_y, tile) /* If we've not removed any tiles, give an error */ if (quantity == 0) return CMD_ERROR; return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_rail_station * quantity); } static CommandCost RemoveRailroadStation(Station *st, TileIndex tile, uint32 flags) { /* if there is flooding and non-uniform stations are enabled, remove platforms tile by tile */ if (_current_company == OWNER_WATER && _settings_game.station.nonuniform_stations) { return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAILROAD_STATION); } /* Current company owns the station? */ if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR; /* determine width and height of platforms */ tile = st->train_tile; int w = st->trainst_w; int h = st->trainst_h; assert(w != 0 && h != 0); CommandCost cost(EXPENSES_CONSTRUCTION); /* clear all areas of the station */ do { int w_bak = w; do { /* for nonuniform stations, only remove tiles that are actually train station tiles */ if (st->TileBelongsToRailStation(tile)) { if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; cost.AddCost(_price.remove_rail_station); if (flags & DC_EXEC) { /* read variables before the station tile is removed */ Track track = GetRailStationTrack(tile); Owner owner = GetTileOwner(tile); // _current_company can be OWNER_WATER Vehicle *v = NULL; if (GetRailwayStationReservation(tile)) { v = GetTrainForReservation(tile, track); if (v != NULL) FreeTrainTrackReservation(v); } DoClearSquare(tile); AddTrackToSignalBuffer(tile, track, owner); YapfNotifyTrackLayoutChange(tile, track); if (v != NULL) TryPathReserve(v, true); } } tile += TileDiffXY(1, 0); } while (--w); w = w_bak; tile += TileDiffXY(-w, 1); } while (--h); if (flags & DC_EXEC) { st->rect.AfterRemoveRect(st, st->train_tile, st->trainst_w, st->trainst_h); st->train_tile = INVALID_TILE; st->trainst_w = st->trainst_h = 0; st->facilities &= ~FACIL_TRAIN; free(st->speclist); st->num_specs = 0; st->speclist = NULL; st->cached_anim_triggers = 0; InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return cost; } /** * @param truck_station Determines whether a stop is ROADSTOP_BUS or ROADSTOP_TRUCK * @param st The Station to do the whole procedure for * @return a pointer to where to link a new RoadStop* */ static RoadStop **FindRoadStopSpot(bool truck_station, Station *st) { RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops; if (*primary_stop == NULL) { /* we have no roadstop of the type yet, so write a "primary stop" */ return primary_stop; } else { /* there are stops already, so append to the end of the list */ RoadStop *stop = *primary_stop; while (stop->next != NULL) stop = stop->next; return &stop->next; } } /** Build a bus or truck stop * @param tile tile to build the stop at * @param flags operation to perform * @param p1 entrance direction (DiagDirection) * @param p2 bit 0: 0 for Bus stops, 1 for truck stops * bit 1: 0 for normal, 1 for drive-through * bit 2..4: the roadtypes * bit 5: allow stations directly adjacent to other stations. * bit 16..31: station ID to join (INVALID_STATION if build new one) */ CommandCost CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { bool type = HasBit(p2, 0); bool is_drive_through = HasBit(p2, 1); bool build_over_road = is_drive_through && IsNormalRoadTile(tile); bool town_owned_road = false; RoadTypes rts = (RoadTypes)GB(p2, 2, 3); StationID station_to_join = GB(p2, 16, 16); bool distant_join = (station_to_join != INVALID_STATION); if (distant_join && (!_settings_game.station.distant_join_stations || !IsValidStationID(station_to_join))) return CMD_ERROR; if (!AreValidRoadTypes(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR; /* Trams only have drive through stops */ if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR; /* Saveguard the parameters */ if (!IsValidDiagDirection((DiagDirection)p1)) return CMD_ERROR; /* If it is a drive-through stop check for valid axis */ if (is_drive_through && !IsValidAxis((Axis)p1)) return CMD_ERROR; /* Road bits in the wrong direction */ if (build_over_road && (GetAllRoadBits(tile) & ((Axis)p1 == AXIS_X ? ROAD_Y : ROAD_X)) != 0) return_cmd_error(STR_DRIVE_THROUGH_ERROR_DIRECTION); if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR; RoadTypes cur_rts = IsNormalRoadTile(tile) ? GetRoadTypes(tile) : ROADTYPES_NONE; uint num_roadbits = 0; /* Not allowed to build over this road */ if (build_over_road) { /* there is a road, check if we can build road+tram stop over it */ if (HasBit(cur_rts, ROADTYPE_ROAD)) { Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD); if (road_owner == OWNER_TOWN) { town_owned_road = true; if (!_settings_game.construction.road_stop_on_town_road) return_cmd_error(STR_DRIVE_THROUGH_ERROR_ON_TOWN_ROAD); } else { if (road_owner != OWNER_NONE && !CheckOwnership(road_owner)) return CMD_ERROR; } num_roadbits += CountBits(GetRoadBits(tile, ROADTYPE_ROAD)); } /* there is a tram, check if we can build road+tram stop over it */ if (HasBit(cur_rts, ROADTYPE_TRAM)) { Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM); if (tram_owner != OWNER_NONE && !CheckOwnership(tram_owner)) return CMD_ERROR; num_roadbits += CountBits(GetRoadBits(tile, ROADTYPE_TRAM)); } /* Don't allow building the roadstop when vehicles are already driving on it */ if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; /* Do not remove roadtypes! */ rts |= cur_rts; } CommandCost cost = CheckFlatLandBelow(tile, 1, 1, flags, is_drive_through ? 5 << p1 : 1 << p1, NULL, !build_over_road); if (CmdFailed(cost)) return cost; uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits; cost.AddCost(_price.build_road * roadbits_to_build); Station *st = NULL; if (!_settings_game.station.adjacent_stations || !HasBit(p2, 5)) { st = GetStationAround(tile, 1, 1, INVALID_STATION); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; } /* Distant join */ if (st == NULL && distant_join) st = GetStation(station_to_join); /* Find a deleted station close to us */ if (st == NULL) st = GetClosestDeletedStation(tile); /* give us a road stop in the list, and check if something went wrong */ if (!RoadStop::CanAllocateItem()) return_cmd_error(type ? STR_TOO_MANY_TRUCK_STOPS : STR_TOO_MANY_BUS_STOPS); if (st != NULL && GetNumRoadStopsInStation(st, ROADSTOP_BUS) + GetNumRoadStopsInStation(st, ROADSTOP_TRUCK) >= RoadStop::LIMIT) { return_cmd_error(type ? STR_TOO_MANY_TRUCK_STOPS : STR_TOO_MANY_BUS_STOPS); } if (st != NULL) { if (st->owner != _current_company) { return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); } if (!st->rect.BeforeAddTile(tile, StationRect::ADD_TEST)) return CMD_ERROR; } else { /* allocate and initialize new station */ if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING); if (flags & DC_EXEC) { st = new Station(tile); st->town = ClosestTownFromTile(tile, UINT_MAX); st->string_id = GenerateStationName(st, tile, STATIONNAMING_ROAD); if (IsValidCompanyID(_current_company)) { SetBit(st->town->have_ratings, _current_company); } st->sign.width_1 = 0; } } cost.AddCost((type) ? _price.build_truck_station : _price.build_bus_station); if (flags & DC_EXEC) { RoadStop *road_stop = new RoadStop(tile); /* Insert into linked list of RoadStops */ RoadStop **currstop = FindRoadStopSpot(type, st); *currstop = road_stop; /*initialize an empty station */ st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, tile); st->rect.BeforeAddTile(tile, StationRect::ADD_TRY); RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS; if (is_drive_through) { MakeDriveThroughRoadStop(tile, st->owner, st->index, rs_type, rts, (Axis)p1, town_owned_road); } else { MakeRoadStop(tile, st->owner, st->index, rs_type, rts, (DiagDirection)p1); } UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); InvalidateWindowData(WC_SELECT_STATION, 0, 0); InvalidateWindowData(WC_STATION_LIST, st->owner, 0); InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_ROADVEHS); } return cost; } static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *) { if (v->type == VEH_ROAD) ClrBit(v->u.road.state, RVS_IN_DT_ROAD_STOP); return NULL; } /** Remove a bus station * @param st Station to remove * @param flags operation to perform * @param tile TileIndex been queried * @return cost or failure of operation */ static CommandCost RemoveRoadStop(Station *st, uint32 flags, TileIndex tile) { if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) { return CMD_ERROR; } bool is_truck = IsTruckStop(tile); RoadStop **primary_stop; RoadStop *cur_stop; if (is_truck) { // truck stop primary_stop = &st->truck_stops; cur_stop = GetRoadStopByTile(tile, ROADSTOP_TRUCK); } else { primary_stop = &st->bus_stops; cur_stop = GetRoadStopByTile(tile, ROADSTOP_BUS); } assert(cur_stop != NULL); /* don't do the check for drive-through road stops when company bankrupts */ if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) { /* remove the 'going through road stop' status from all vehicles on that tile */ if (flags & DC_EXEC) FindVehicleOnPos(tile, NULL, &ClearRoadStopStatusEnum); } else { if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; } if (flags & DC_EXEC) { if (*primary_stop == cur_stop) { /* removed the first stop in the list */ *primary_stop = cur_stop->next; /* removed the only stop? */ if (*primary_stop == NULL) { st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP); } } else { /* tell the predecessor in the list to skip this stop */ RoadStop *pred = *primary_stop; while (pred->next != cur_stop) pred = pred->next; pred->next = cur_stop->next; } InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_ROADVEHS); delete cur_stop; /* Make sure no vehicle is going to the old roadstop */ Vehicle *v; FOR_ALL_VEHICLES(v) { if (v->type == VEH_ROAD && v->First() == v && v->current_order.IsType(OT_GOTO_STATION) && v->dest_tile == tile) { v->dest_tile = v->GetOrderStationLocation(st->index); } } DoClearSquare(tile); st->rect.AfterRemoveTile(st, tile); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return CommandCost(EXPENSES_CONSTRUCTION, (is_truck) ? _price.remove_truck_station : _price.remove_bus_station); } /** Remove a bus or truck stop * @param tile tile to remove the stop from * @param flags operation to perform * @param p1 not used * @param p2 bit 0: 0 for Bus stops, 1 for truck stops */ CommandCost CmdRemoveRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { /* Make sure the specified tile is a road stop of the correct type */ if (!IsTileType(tile, MP_STATION) || !IsRoadStop(tile) || (uint32)GetRoadStopType(tile) != GB(p2, 0, 1)) return CMD_ERROR; Station *st = GetStationByTile(tile); /* Save the stop info before it is removed */ bool is_drive_through = IsDriveThroughStopTile(tile); RoadTypes rts = GetRoadTypes(tile); RoadBits road_bits = IsDriveThroughStopTile(tile) ? ((GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) : DiagDirToRoadBits(GetRoadStopDir(tile)); bool is_towns_road = is_drive_through && GetStopBuiltOnTownRoad(tile); CommandCost ret = RemoveRoadStop(st, flags, tile); /* If the stop was a drive-through stop replace the road */ if ((flags & DC_EXEC) && CmdSucceeded(ret) && is_drive_through) { /* Rebuild the drive throuhg road stop. As a road stop can only be * removed by the owner of the roadstop, _current_company is the * owner of the road stop. */ MakeRoadNormal(tile, road_bits, rts, ClosestTownFromTile(tile, UINT_MAX)->index, is_towns_road ? OWNER_TOWN : _current_company, _current_company, _current_company); } return ret; } /* FIXME -- need to move to its corresponding Airport variable*/ /* Country Airfield (small) */ static const byte _airport_sections_country[] = { 54, 53, 52, 65, 58, 57, 56, 55, 64, 63, 63, 62 }; /* City Airport (large) */ static const byte _airport_sections_town[] = { 31, 9, 33, 9, 9, 32, 27, 36, 29, 34, 8, 10, 30, 11, 35, 13, 20, 21, 51, 12, 14, 17, 19, 28, 38, 13, 15, 16, 18, 39, 26, 22, 23, 24, 25, 26 }; /* Metropolitain Airport (large) - 2 runways */ static const byte _airport_sections_metropolitan[] = { 31, 9, 33, 9, 9, 32, 27, 36, 29, 34, 8, 10, 30, 11, 35, 13, 20, 21, 102, 8, 8, 8, 8, 28, 83, 84, 84, 84, 84, 83, 26, 23, 23, 23, 23, 26 }; /* International Airport (large) - 2 runways */ static const byte _airport_sections_international[] = { 88, 89, 89, 89, 89, 89, 88, 51, 8, 8, 8, 8, 8, 32, 30, 8, 11, 27, 11, 8, 10, 32, 8, 11, 27, 11, 8, 114, 87, 8, 11, 85, 11, 8, 114, 87, 8, 8, 8, 8, 8, 90, 26, 23, 23, 23, 23, 23, 26 }; /* Intercontinental Airport (vlarge) - 4 runways */ static const byte _airport_sections_intercontinental[] = { 102, 120, 89, 89, 89, 89, 89, 89, 118, 120, 23, 23, 23, 23, 23, 23, 119, 117, 87, 54, 87, 8, 8, 8, 8, 51, 117, 87, 162, 87, 85, 116, 116, 8, 9, 10, 87, 8, 8, 11, 31, 11, 8, 160, 32, 32, 160, 8, 11, 27, 11, 8, 8, 10, 87, 8, 8, 11, 30, 11, 8, 8, 10, 87, 142, 8, 11, 29, 11, 10, 163, 10, 87, 164, 87, 8, 8, 8, 10, 37, 117, 87, 120, 89, 89, 89, 89, 89, 89, 119, 121, 23, 23, 23, 23, 23, 23, 119, 37 }; /* Commuter Airfield (small) */ static const byte _airport_sections_commuter[] = { 85, 30, 115, 115, 32, 87, 8, 8, 8, 10, 87, 11, 11, 11, 10, 26, 23, 23, 23, 26 }; /* Heliport */ static const byte _airport_sections_heliport[] = { 66, }; /* Helidepot */ static const byte _airport_sections_helidepot[] = { 124, 32, 122, 123 }; /* Helistation */ static const byte _airport_sections_helistation[] = { 32, 134, 159, 158, 161, 142, 142, 157 }; static const byte * const _airport_sections[] = { _airport_sections_country, // Country Airfield (small) _airport_sections_town, // City Airport (large) _airport_sections_heliport, // Heliport _airport_sections_metropolitan, // Metropolitain Airport (large) _airport_sections_international, // International Airport (xlarge) _airport_sections_commuter, // Commuter Airport (small) _airport_sections_helidepot, // Helidepot _airport_sections_intercontinental, // Intercontinental Airport (xxlarge) _airport_sections_helistation // Helistation }; /** * Computes the minimal distance from town's xy to any airport's tile. * @param afc airport's description * @param town_tile town's tile (t->xy) * @param airport_tile st->airport_tile * @return minimal manhattan distance from town_tile to any airport's tile */ static uint GetMinimalAirportDistanceToTile(const AirportFTAClass *afc, TileIndex town_tile, TileIndex airport_tile) { uint ttx = TileX(town_tile); // X, Y of town uint tty = TileY(town_tile); uint atx = TileX(airport_tile); // X, Y of northern airport corner uint aty = TileY(airport_tile); uint btx = TileX(airport_tile) + afc->size_x - 1; // X, Y of southern corner uint bty = TileY(airport_tile) + afc->size_y - 1; /* if ttx < atx, dx = atx - ttx * if atx <= ttx <= btx, dx = 0 * else, dx = ttx - btx (similiar for dy) */ uint dx = ttx < atx ? atx - ttx : (ttx <= btx ? 0 : ttx - btx); uint dy = tty < aty ? aty - tty : (tty <= bty ? 0 : tty - bty); return dx + dy; } /** Get a possible noise reduction factor based on distance from town center. * The further you get, the less noise you generate. * So all those folks at city council can now happily slee... work in their offices * @param afc AirportFTAClass pointer of the class being proposed * @param town_tile TileIndex of town's center, the one who will receive the airport's candidature * @param tile TileIndex of northern tile of an airport (present or to-be-built), NOT the station tile * @return the noise that will be generated, according to distance */ uint8 GetAirportNoiseLevelForTown(const AirportFTAClass *afc, TileIndex town_tile, TileIndex tile) { /* 0 cannot be accounted, and 1 is the lowest that can be reduced from town. * So no need to go any further*/ if (afc->noise_level < 2) return afc->noise_level; uint distance = GetMinimalAirportDistanceToTile(afc, town_tile, tile); /* The steps for measuring noise reduction are based on the "magical" (and arbitrary) 8 base distance * adding the town_council_tolerance 4 times, as a way to graduate, depending of the tolerance. * Basically, it says that the less tolerant a town is, the bigger the distance before * an actual decrease can be granted */ uint8 town_tolerance_distance = 8 + (_settings_game.difficulty.town_council_tolerance * 4); /* now, we want to have the distance segmented using the distance judged bareable by town * This will give us the coefficient of reduction the distance provides. */ uint noise_reduction = distance / town_tolerance_distance; /* If the noise reduction equals the airport noise itself, don't give it for free. * Otherwise, simply reduce the airport's level. */ return noise_reduction >= afc->noise_level ? 1 : afc->noise_level - noise_reduction; } /** * Finds the town nearest to given airport. Based on minimal manhattan distance to any airport's tile. * If two towns have the same distance, town with lower index is returned. * @param afc airport's description * @param airport_tile st->airport_tile * @return nearest town to airport */ Town *AirportGetNearestTown(const AirportFTAClass *afc, TileIndex airport_tile) { Town *t, *nearest = NULL; uint add = afc->size_x + afc->size_y - 2; // GetMinimalAirportDistanceToTile can differ from DistanceManhattan by this much uint mindist = UINT_MAX - add; // prevent overflow FOR_ALL_TOWNS(t) { if (DistanceManhattan(t->xy, airport_tile) < mindist + add) { // avoid calling GetMinimalAirportDistanceToTile too often uint dist = GetMinimalAirportDistanceToTile(afc, t->xy, airport_tile); if (dist < mindist) { nearest = t; mindist = dist; } } } return nearest; } /** Recalculate the noise generated by the airports of each town */ void UpdateAirportsNoise() { Town *t; const Station *st; FOR_ALL_TOWNS(t) t->noise_reached = 0; FOR_ALL_STATIONS(st) { if (st->airport_tile != INVALID_TILE) { const AirportFTAClass *afc = GetAirport(st->airport_type); Town *nearest = AirportGetNearestTown(afc, st->airport_tile); nearest->noise_reached += GetAirportNoiseLevelForTown(afc, nearest->xy, st->airport_tile); } } } /** Place an Airport. * @param tile tile where airport will be built * @param flags operation to perform * @param p1 airport type, @see airport.h * @param p2 various bitstuffed elements * - p2 = (bit 0) - allow airports directly adjacent to other airports. * - p2 = (bit 16-31) - station ID to join (INVALID_STATION if build new one) */ CommandCost CmdBuildAirport(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { bool airport_upgrade = true; StationID station_to_join = GB(p2, 16, 16); bool distant_join = (station_to_join != INVALID_STATION); if (distant_join && (!_settings_game.station.distant_join_stations || !IsValidStationID(station_to_join))) return CMD_ERROR; /* Check if a valid, buildable airport was chosen for construction */ if (p1 > lengthof(_airport_sections) || !HasBit(GetValidAirports(), p1)) return CMD_ERROR; if (!CheckIfAuthorityAllowsNewStation(tile, flags)) { return CMD_ERROR; } Town *t = ClosestTownFromTile(tile, UINT_MAX); const AirportFTAClass *afc = GetAirport(p1); int w = afc->size_x; int h = afc->size_y; Station *st = NULL; if (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread) { _error_message = STR_306C_STATION_TOO_SPREAD_OUT; return CMD_ERROR; } CommandCost cost = CheckFlatLandBelow(tile, w, h, flags, 0, NULL); if (CmdFailed(cost)) return cost; /* Go get the final noise level, that is base noise minus factor from distance to town center */ Town *nearest = AirportGetNearestTown(afc, tile); uint newnoise_level = GetAirportNoiseLevelForTown(afc, nearest->xy, tile); /* Check if local auth would allow a new airport */ StringID authority_refuse_message = STR_NULL; if (_settings_game.economy.station_noise_level) { /* do not allow to build a new airport if this raise the town noise over the maximum allowed by town */ if ((nearest->noise_reached + newnoise_level) > nearest->MaxTownNoise()) { authority_refuse_message = STR_LOCAL_AUTHORITY_REFUSES_NOISE; } } else { uint num = 0; const Station *st; FOR_ALL_STATIONS(st) { if (st->town == t && st->facilities & FACIL_AIRPORT && st->airport_type != AT_OILRIG) num++; } if (num >= 2) { authority_refuse_message = STR_2035_LOCAL_AUTHORITY_REFUSES; } } if (authority_refuse_message != STR_NULL) { SetDParam(0, t->index); return_cmd_error(authority_refuse_message); } if (!_settings_game.station.adjacent_stations || !HasBit(p2, 0)) { st = GetStationAround(tile, w, h, INVALID_STATION); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; } else { st = NULL; } /* Distant join */ if (st == NULL && distant_join) st = GetStation(station_to_join); /* Find a deleted station close to us */ if (st == NULL) st = GetClosestDeletedStation(tile); if (st != NULL) { if (st->owner != _current_company) { return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); } if (!st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TEST)) return CMD_ERROR; if (st->airport_tile != INVALID_TILE) { return_cmd_error(STR_300D_TOO_CLOSE_TO_ANOTHER_AIRPORT); } } else { airport_upgrade = false; /* allocate and initialize new station */ if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING); if (flags & DC_EXEC) { st = new Station(tile); st->town = t; st->string_id = GenerateStationName(st, tile, !(afc->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_HELIPORT : STATIONNAMING_AIRPORT); if (IsValidCompanyID(_current_company)) { SetBit(st->town->have_ratings, _current_company); } st->sign.width_1 = 0; } } cost.AddCost(_price.build_airport * w * h); if (flags & DC_EXEC) { /* Always add the noise, so there will be no need to recalculate when option toggles */ nearest->noise_reached += newnoise_level; st->airport_tile = tile; st->AddFacility(FACIL_AIRPORT, tile); st->airport_type = (byte)p1; st->airport_flags = 0; st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY); /* if airport was demolished while planes were en-route to it, the * positions can no longer be the same (v->u.air.pos), since different * airports have different indexes. So update all planes en-route to this * airport. Only update if * 1. airport is upgraded * 2. airport is added to existing station (unfortunately unavoideable) */ if (airport_upgrade) UpdateAirplanesOnNewStation(st); { const byte *b = _airport_sections[p1]; BEGIN_TILE_LOOP(tile_cur, w, h, tile) { MakeAirport(tile_cur, st->owner, st->index, *b - ((*b < 67) ? 8 : 24)); b++; } END_TILE_LOOP(tile_cur, w, h, tile) } UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); InvalidateWindowData(WC_SELECT_STATION, 0, 0); InvalidateWindowData(WC_STATION_LIST, st->owner, 0); InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_PLANES); if (_settings_game.economy.station_noise_level) { InvalidateWindow(WC_TOWN_VIEW, st->town->index); } } return cost; } static CommandCost RemoveAirport(Station *st, uint32 flags) { if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) { return CMD_ERROR; } TileIndex tile = st->airport_tile; const AirportFTAClass *afc = st->Airport(); int w = afc->size_x; int h = afc->size_y; CommandCost cost(EXPENSES_CONSTRUCTION, w * h * _price.remove_airport); const Vehicle *v; FOR_ALL_VEHICLES(v) { if (!(v->type == VEH_AIRCRAFT && IsNormalAircraft(v))) continue; if (v->u.air.targetairport == st->index && v->u.air.state != FLYING) return CMD_ERROR; } BEGIN_TILE_LOOP(tile_cur, w, h, tile) { if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR; if (flags & DC_EXEC) { DeleteAnimatedTile(tile_cur); DoClearSquare(tile_cur); } } END_TILE_LOOP(tile_cur, w, h, tile) if (flags & DC_EXEC) { for (uint i = 0; i < afc->nof_depots; ++i) { DeleteWindowById( WC_VEHICLE_DEPOT, tile + ToTileIndexDiff(afc->airport_depots[i]) ); } /* Go get the final noise level, that is base noise minus factor from distance to town center. * And as for construction, always remove it, even if the setting is not set, in order to avoid the * need of recalculation */ Town *nearest = AirportGetNearestTown(afc, tile); nearest->noise_reached -= GetAirportNoiseLevelForTown(afc, nearest->xy, tile); st->rect.AfterRemoveRect(st, tile, w, h); st->airport_tile = INVALID_TILE; st->facilities &= ~FACIL_AIRPORT; InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_PLANES); if (_settings_game.economy.station_noise_level) { InvalidateWindow(WC_TOWN_VIEW, st->town->index); } UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return cost; } /** Build a buoy. * @param tile tile where to place the bouy * @param flags operation to perform * @param p1 unused * @param p2 unused */ CommandCost CmdBuildBuoy(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { if (!IsWaterTile(tile) || tile == 0) return_cmd_error(STR_304B_SITE_UNSUITABLE); if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_304B_SITE_UNSUITABLE); /* allocate and initialize new station */ if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING); if (flags & DC_EXEC) { Station *st = new Station(tile); st->town = ClosestTownFromTile(tile, UINT_MAX); st->string_id = GenerateStationName(st, tile, STATIONNAMING_BUOY); if (IsValidCompanyID(_current_company)) { SetBit(st->town->have_ratings, _current_company); } st->sign.width_1 = 0; st->dock_tile = tile; st->facilities |= FACIL_DOCK; /* Buoys are marked in the Station struct by this flag. Yes, it is this * braindead.. */ st->had_vehicle_of_type |= HVOT_BUOY; st->owner = OWNER_NONE; st->build_date = _date; MakeBuoy(tile, st->index, GetWaterClass(tile)); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); InvalidateWindowData(WC_STATION_LIST, st->owner, 0); InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS); } return CommandCost(EXPENSES_CONSTRUCTION, _price.build_dock); } /** * Tests whether the company's vehicles have this station in orders * When company == INVALID_COMPANY, then check all vehicles * @param station station ID * @param company company ID, INVALID_COMPANY to disable the check */ bool HasStationInUse(StationID station, CompanyID company) { const Vehicle *v; FOR_ALL_VEHICLES(v) { if (company == INVALID_COMPANY || v->owner == company) { const Order *order; FOR_VEHICLE_ORDERS(v, order) { if (order->IsType(OT_GOTO_STATION) && order->GetDestination() == station) { return true; } } } } return false; } static CommandCost RemoveBuoy(Station *st, uint32 flags) { /* XXX: strange stuff */ if (!IsValidCompanyID(_current_company)) return_cmd_error(INVALID_STRING_ID); TileIndex tile = st->dock_tile; if (HasStationInUse(st->index, INVALID_COMPANY)) return_cmd_error(STR_BUOY_IS_IN_USE); /* remove the buoy if there is a ship on tile when company goes bankrupt... */ if (!(flags & DC_BANKRUPT) && !EnsureNoVehicleOnGround(tile)) return CMD_ERROR; if (flags & DC_EXEC) { st->dock_tile = INVALID_TILE; /* Buoys are marked in the Station struct by this flag. Yes, it is this * braindead.. */ st->facilities &= ~FACIL_DOCK; st->had_vehicle_of_type &= ~HVOT_BUOY; InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS); /* We have to set the water tile's state to the same state as before the * buoy was placed. Otherwise one could plant a buoy on a canal edge, * remove it and flood the land (if the canal edge is at level 0) */ MakeWaterKeepingClass(tile, GetTileOwner(tile)); MarkTileDirtyByTile(tile); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_truck_station); } static const TileIndexDiffC _dock_tileoffs_chkaround[] = { {-1, 0}, { 0, 0}, { 0, 0}, { 0, -1} }; static const byte _dock_w_chk[4] = { 2, 1, 2, 1 }; static const byte _dock_h_chk[4] = { 1, 2, 1, 2 }; /** Build a dock/haven. * @param tile tile where dock will be built * @param flags operation to perform * @param p1 (bit 0) - allow docks directly adjacent to other docks. * @param p2 bit 16-31: station ID to join (INVALID_STATION if build new one) */ CommandCost CmdBuildDock(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { StationID station_to_join = GB(p2, 16, 16); bool distant_join = (station_to_join != INVALID_STATION); if (distant_join && (!_settings_game.station.distant_join_stations || !IsValidStationID(station_to_join))) return CMD_ERROR; DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile, NULL)); if (direction == INVALID_DIAGDIR) return_cmd_error(STR_304B_SITE_UNSUITABLE); direction = ReverseDiagDir(direction); /* Docks cannot be placed on rapids */ if (IsWaterTile(tile)) return_cmd_error(STR_304B_SITE_UNSUITABLE); if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR; if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); if (CmdFailed(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR))) return CMD_ERROR; TileIndex tile_cur = tile + TileOffsByDiagDir(direction); if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) { return_cmd_error(STR_304B_SITE_UNSUITABLE); } if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); /* Get the water class of the water tile before it is cleared.*/ WaterClass wc = GetWaterClass(tile_cur); if (CmdFailed(DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR))) return CMD_ERROR; tile_cur += TileOffsByDiagDir(direction); if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) { return_cmd_error(STR_304B_SITE_UNSUITABLE); } /* middle */ Station *st = NULL; if (!_settings_game.station.adjacent_stations || !HasBit(p1, 0)) { st = GetStationAround( tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]), _dock_w_chk[direction], _dock_h_chk[direction], INVALID_STATION); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; } /* Distant join */ if (st == NULL && distant_join) st = GetStation(station_to_join); /* Find a deleted station close to us */ if (st == NULL) st = GetClosestDeletedStation(tile); if (st != NULL) { if (st->owner != _current_company) { return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); } if (!st->rect.BeforeAddRect( tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]), _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TEST)) return CMD_ERROR; if (st->dock_tile != INVALID_TILE) return_cmd_error(STR_304C_TOO_CLOSE_TO_ANOTHER_DOCK); } else { /* allocate and initialize new station */ /* allocate and initialize new station */ if (!Station::CanAllocateItem()) return_cmd_error(STR_3008_TOO_MANY_STATIONS_LOADING); if (flags & DC_EXEC) { st = new Station(tile); st->town = ClosestTownFromTile(tile, UINT_MAX); st->string_id = GenerateStationName(st, tile, STATIONNAMING_DOCK); if (IsValidCompanyID(_current_company)) { SetBit(st->town->have_ratings, _current_company); } } } if (flags & DC_EXEC) { st->dock_tile = tile; st->AddFacility(FACIL_DOCK, tile); st->rect.BeforeAddRect( tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]), _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TRY); MakeDock(tile, st->owner, st->index, direction, wc); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); InvalidateWindowData(WC_SELECT_STATION, 0, 0); InvalidateWindowData(WC_STATION_LIST, st->owner, 0); InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS); } return CommandCost(EXPENSES_CONSTRUCTION, _price.build_dock); } static CommandCost RemoveDock(Station *st, uint32 flags) { if (!CheckOwnership(st->owner)) return CMD_ERROR; TileIndex tile1 = st->dock_tile; TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1)); if (!EnsureNoVehicleOnGround(tile1)) return CMD_ERROR; if (!EnsureNoVehicleOnGround(tile2)) return CMD_ERROR; if (flags & DC_EXEC) { DoClearSquare(tile1); MakeWaterKeepingClass(tile2, st->owner); st->rect.AfterRemoveTile(st, tile1); st->rect.AfterRemoveTile(st, tile2); MarkTileDirtyByTile(tile2); st->dock_tile = INVALID_TILE; st->facilities &= ~FACIL_DOCK; InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_dock); } #include "table/station_land.h" const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx) { return &_station_display_datas[st][gfx]; } static void DrawTile_Station(TileInfo *ti) { const DrawTileSprites *t = NULL; RoadTypes roadtypes; int32 total_offset; int32 custom_ground_offset; if (IsRailwayStation(ti->tile)) { const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile)); roadtypes = ROADTYPES_NONE; total_offset = rti->total_offset; custom_ground_offset = rti->custom_ground_offset; } else { roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE; total_offset = 0; custom_ground_offset = 0; } uint32 relocation = 0; const Station *st = NULL; const StationSpec *statspec = NULL; Owner owner = GetTileOwner(ti->tile); SpriteID palette; if (IsValidCompanyID(owner)) { palette = COMPANY_SPRITE_COLOUR(owner); } else { /* Some stations are not owner by a company, namely oil rigs */ palette = PALETTE_TO_GREY; } /* don't show foundation for docks */ if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) DrawFoundation(ti, FOUNDATION_LEVELED); if (IsCustomStationSpecIndex(ti->tile)) { /* look for customization */ st = GetStationByTile(ti->tile); statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec; if (statspec != NULL) { uint tile = GetStationGfx(ti->tile); relocation = GetCustomStationRelocation(statspec, st, ti->tile); if (HasBit(statspec->callbackmask, CBM_STATION_SPRITE_LAYOUT)) { uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile); if (callback != CALLBACK_FAILED) tile = (callback & ~1) + GetRailStationAxis(ti->tile); } /* Ensure the chosen tile layout is valid for this custom station */ if (statspec->renderdata != NULL) { t = &statspec->renderdata[tile < statspec->tiles ? tile : (uint)GetRailStationAxis(ti->tile)]; } } } if (t == NULL || t->seq == NULL) t = &_station_display_datas[GetStationType(ti->tile)][GetStationGfx(ti->tile)]; if (IsBuoy(ti->tile) || IsDock(ti->tile) || (IsOilRig(ti->tile) && GetWaterClass(ti->tile) != WATER_CLASS_INVALID)) { if (ti->tileh == SLOPE_FLAT) { DrawWaterClassGround(ti); } else { assert(IsDock(ti->tile)); TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile)); WaterClass wc = GetWaterClass(water_tile); if (wc == WATER_CLASS_SEA) { DrawShoreTile(ti->tileh); } else { DrawClearLandTile(ti, 3); } } } else { SpriteID image = t->ground.sprite; SpriteID pal = t->ground.pal; if (HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) { image += GetCustomStationGroundRelocation(statspec, st, ti->tile); image += custom_ground_offset; } else { image += total_offset; } DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette)); /* PBS debugging, draw reserved tracks darker */ if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && IsRailwayStation(ti->tile) && GetRailwayStationReservation(ti->tile)) { const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile)); DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_y : rti->base_sprites.single_x, PALETTE_CRASH); } } if (IsRailwayStation(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile)) && IsStationTileElectrifiable(ti->tile)) DrawCatenary(ti); if (HasBit(roadtypes, ROADTYPE_TRAM)) { Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y; DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE); DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y); } const DrawTileSeqStruct *dtss; foreach_draw_tile_seq(dtss, t->seq) { SpriteID image = dtss->image.sprite; /* Stop drawing sprite sequence once we meet a sprite that doesn't have to be opaque */ if (IsInvisibilitySet(TO_BUILDINGS) && !HasBit(image, SPRITE_MODIFIER_OPAQUE)) return; if (relocation == 0 || HasBit(image, SPRITE_MODIFIER_USE_OFFSET)) { image += total_offset; } else { image += relocation; } SpriteID pal = SpriteLayoutPaletteTransform(image, dtss->image.pal, palette); if ((byte)dtss->delta_z != 0x80) { AddSortableSpriteToDraw( image, pal, ti->x + dtss->delta_x, ti->y + dtss->delta_y, dtss->size_x, dtss->size_y, dtss->size_z, ti->z + dtss->delta_z, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_BUILDINGS) ); } else { /* For stations and original spritelayouts delta_x and delta_y are signed */ AddChildSpriteScreen(image, pal, dtss->delta_x, dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_BUILDINGS)); } } } void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image) { int32 total_offset = 0; SpriteID pal = COMPANY_SPRITE_COLOUR(_local_company); const DrawTileSprites *t = &_station_display_datas[st][image]; if (railtype != INVALID_RAILTYPE) { const RailtypeInfo *rti = GetRailTypeInfo(railtype); total_offset = rti->total_offset; } SpriteID img = t->ground.sprite; DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y); if (roadtype == ROADTYPE_TRAM) { DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y); } const DrawTileSeqStruct *dtss; foreach_draw_tile_seq(dtss, t->seq) { Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z); DrawSprite(dtss->image.sprite + total_offset, pal, x + pt.x, y + pt.y); } } static uint GetSlopeZ_Station(TileIndex tile, uint x, uint y) { return GetTileMaxZ(tile); } static Foundation GetFoundation_Station(TileIndex tile, Slope tileh) { return FlatteningFoundation(tileh); } static void GetAcceptedCargo_Station(TileIndex tile, AcceptedCargo ac) { /* not used */ } static void GetTileDesc_Station(TileIndex tile, TileDesc *td) { td->owner[0] = GetTileOwner(tile); if (IsDriveThroughStopTile(tile) && HasTileRoadType(tile, ROADTYPE_ROAD) && GetStopBuiltOnTownRoad(tile)) { /* Display a second owner */ td->owner_type[1] = STR_ROAD_OWNER; td->owner[1] = OWNER_TOWN; } td->build_date = GetStationByTile(tile)->build_date; const StationSpec *spec = GetStationSpec(tile); if (spec != NULL) { td->station_class = GetStationClassName(spec->sclass); td->station_name = spec->name; if (spec->grffile != NULL) { const GRFConfig *gc = GetGRFConfig(spec->grffile->grfid); td->grf = gc->name; } } StringID str; switch (GetStationType(tile)) { default: NOT_REACHED(); case STATION_RAIL: str = STR_305E_RAILROAD_STATION; break; case STATION_AIRPORT: str = (IsHangar(tile) ? STR_305F_AIRCRAFT_HANGAR : STR_3060_AIRPORT); break; case STATION_TRUCK: str = STR_3061_TRUCK_LOADING_AREA; break; case STATION_BUS: str = STR_3062_BUS_STATION; break; case STATION_OILRIG: str = STR_4807_OIL_RIG; break; case STATION_DOCK: str = STR_3063_SHIP_DOCK; break; case STATION_BUOY: str = STR_3069_BUOY; break; } td->str = str; } static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side) { TrackBits trackbits = TRACK_BIT_NONE; switch (mode) { case TRANSPORT_RAIL: if (IsRailwayStation(tile) && !IsStationTileBlocked(tile)) { trackbits = TrackToTrackBits(GetRailStationTrack(tile)); } break; case TRANSPORT_WATER: /* buoy is coded as a station, it is always on open water */ if (IsBuoy(tile)) { trackbits = TRACK_BIT_ALL; /* remove tracks that connect NE map edge */ if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT); /* remove tracks that connect NW map edge */ if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER); } break; case TRANSPORT_ROAD: if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) { DiagDirection dir = GetRoadStopDir(tile); Axis axis = DiagDirToAxis(dir); if (side != INVALID_DIAGDIR) { if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break; } trackbits = AxisToTrackBits(axis); } break; default: break; } return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE); } static void TileLoop_Station(TileIndex tile) { /* FIXME -- GetTileTrackStatus_Station -> animated stationtiles * hardcoded.....not good */ switch (GetStationType(tile)) { case STATION_AIRPORT: switch (GetStationGfx(tile)) { case GFX_RADAR_LARGE_FIRST: case GFX_WINDSACK_FIRST : // for small airport case GFX_RADAR_INTERNATIONAL_FIRST: case GFX_RADAR_METROPOLITAN_FIRST: case GFX_RADAR_DISTRICTWE_FIRST: // radar district W-E airport case GFX_WINDSACK_INTERCON_FIRST : // for intercontinental airport AddAnimatedTile(tile); break; } break; case STATION_DOCK: if (GetTileSlope(tile, NULL) != SLOPE_FLAT) break; // only handle water part /* FALL THROUGH */ case STATION_OILRIG: //(station part) case STATION_BUOY: TileLoop_Water(tile); break; default: break; } } static void AnimateTile_Station(TileIndex tile) { struct AnimData { StationGfx from; // first sprite StationGfx to; // last sprite byte delay; }; static const AnimData data[] = { { GFX_RADAR_LARGE_FIRST, GFX_RADAR_LARGE_LAST, 3 }, { GFX_WINDSACK_FIRST, GFX_WINDSACK_LAST, 1 }, { GFX_RADAR_INTERNATIONAL_FIRST, GFX_RADAR_INTERNATIONAL_LAST, 3 }, { GFX_RADAR_METROPOLITAN_FIRST, GFX_RADAR_METROPOLITAN_LAST, 3 }, { GFX_RADAR_DISTRICTWE_FIRST, GFX_RADAR_DISTRICTWE_LAST, 3 }, { GFX_WINDSACK_INTERCON_FIRST, GFX_WINDSACK_INTERCON_LAST, 1 } }; if (IsRailwayStation(tile)) { AnimateStationTile(tile); return; } StationGfx gfx = GetStationGfx(tile); for (const AnimData *i = data; i != endof(data); i++) { if (i->from <= gfx && gfx <= i->to) { if ((_tick_counter & i->delay) == 0) { SetStationGfx(tile, gfx < i->to ? gfx + 1 : i->from); MarkTileDirtyByTile(tile); } break; } } } static bool ClickTile_Station(TileIndex tile) { if (IsHangar(tile)) { ShowDepotWindow(tile, VEH_AIRCRAFT); } else { ShowStationViewWindow(GetStationIndex(tile)); } return true; } static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y) { StationID station_id = GetStationIndex(tile); if (v->type == VEH_TRAIN) { if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE; if (IsRailwayStation(tile) && IsFrontEngine(v) && !IsCompatibleTrainStationTile(tile + TileOffsByDiagDir(DirToDiagDir(v->direction)), tile)) { DiagDirection dir = DirToDiagDir(v->direction); x &= 0xF; y &= 0xF; if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y); if (y == TILE_SIZE / 2) { if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x; int stop = TILE_SIZE - (v->u.rail.cached_veh_length + 1) / 2; if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET); /* enter station */ if (x < stop) { uint16 spd; v->vehstatus |= VS_TRAIN_SLOWING; spd = max(0, (stop - x) * 20 - 15); if (spd < v->cur_speed) v->cur_speed = spd; } } } } else if (v->type == VEH_ROAD) { if (v->u.road.state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)v->u.road.state) && v->u.road.frame == 0) { if (IsRoadStop(tile) && IsRoadVehFront(v)) { /* Attempt to allocate a parking bay in a road stop */ RoadStop *rs = GetRoadStopByTile(tile, GetRoadStopType(tile)); if (IsDriveThroughStopTile(tile)) { if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE; /* Vehicles entering a drive-through stop from the 'normal' side use first bay (bay 0). */ byte side = ((DirToDiagDir(v->direction) == ReverseDiagDir(GetRoadStopDir(tile))) == (v->u.road.overtaking == 0)) ? 0 : 1; if (!rs->IsFreeBay(side)) return VETSB_CANNOT_ENTER; /* Check if the vehicle is stopping at this road stop */ if (GetRoadStopType(tile) == (IsCargoInClass(v->cargo_type, CC_PASSENGERS) ? ROADSTOP_BUS : ROADSTOP_TRUCK) && v->current_order.GetDestination() == GetStationIndex(tile)) { SetBit(v->u.road.state, RVS_IS_STOPPING); rs->AllocateDriveThroughBay(side); } /* Indicate if vehicle is using second bay. */ if (side == 1) SetBit(v->u.road.state, RVS_USING_SECOND_BAY); /* Indicate a drive-through stop */ SetBit(v->u.road.state, RVS_IN_DT_ROAD_STOP); return VETSB_CONTINUE; } /* For normal (non drive-through) road stops */ /* Check if station is busy or if there are no free bays or whether it is a articulated vehicle. */ if (rs->IsEntranceBusy() || !rs->HasFreeBay() || RoadVehHasArticPart(v)) return VETSB_CANNOT_ENTER; SetBit(v->u.road.state, RVS_IN_ROAD_STOP); /* Allocate a bay and update the road state */ uint bay_nr = rs->AllocateBay(); SB(v->u.road.state, RVS_USING_SECOND_BAY, 1, bay_nr); /* Mark the station entrace as busy */ rs->SetEntranceBusy(true); } } } return VETSB_CONTINUE; } /* this function is called for one station each tick */ static void StationHandleBigTick(Station *st) { UpdateStationAcceptance(st, true); if (st->facilities == 0 && ++st->delete_ctr >= 8) delete st; } static inline void byte_inc_sat(byte *p) { byte b = *p + 1; if (b != 0) *p = b; } static void UpdateStationRating(Station *st) { bool waiting_changed = false; byte_inc_sat(&st->time_since_load); byte_inc_sat(&st->time_since_unload); GoodsEntry *ge = st->goods; do { /* Slowly increase the rating back to his original level in the case we * didn't deliver cargo yet to this station. This happens when a bribe * failed while you didn't moved that cargo yet to a station. */ if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP) && ge->rating < INITIAL_STATION_RATING) { ge->rating++; } /* Only change the rating if we are moving this cargo */ if (HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) { byte_inc_sat(&ge->days_since_pickup); int rating = 0; { int b = ge->last_speed - 85; if (b >= 0) rating += b >> 2; } { byte age = ge->last_age; (age >= 3) || (rating += 10, age >= 2) || (rating += 10, age >= 1) || (rating += 13, true); } if (IsValidCompanyID(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26; { byte days = ge->days_since_pickup; if (st->last_vehicle_type == VEH_SHIP) days >>= 2; (days > 21) || (rating += 25, days > 12) || (rating += 25, days > 6) || (rating += 45, days > 3) || (rating += 35, true); } uint waiting = ge->cargo.Count(); (rating -= 90, waiting > 1500) || (rating += 55, waiting > 1000) || (rating += 35, waiting > 600) || (rating += 10, waiting > 300) || (rating += 20, waiting > 100) || (rating += 10, true); { int or_ = ge->rating; // old rating /* only modify rating in steps of -2, -1, 0, 1 or 2 */ ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2); /* if rating is <= 64 and more than 200 items waiting, * remove some random amount of goods from the station */ if (rating <= 64 && waiting >= 200) { int dec = Random() & 0x1F; if (waiting < 400) dec &= 7; waiting -= dec + 1; waiting_changed = true; } /* if rating is <= 127 and there are any items waiting, maybe remove some goods. */ if (rating <= 127 && waiting != 0) { uint32 r = Random(); if (rating <= (int)GB(r, 0, 7)) { /* Need to have int, otherwise it will just overflow etc. */ waiting = max((int)waiting - (int)GB(r, 8, 2) - 1, 0); waiting_changed = true; } } /* At some point we really must cap the cargo. Previously this * was a strict 4095, but now we'll have a less strict, but * increasingly agressive truncation of the amount of cargo. */ static const uint WAITING_CARGO_THRESHOLD = 1 << 12; static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6; static const uint MAX_WAITING_CARGO = 1 << 15; if (waiting > WAITING_CARGO_THRESHOLD) { uint difference = waiting - WAITING_CARGO_THRESHOLD; waiting -= (difference / WAITING_CARGO_CUT_FACTOR); waiting = min(waiting, MAX_WAITING_CARGO); waiting_changed = true; } if (waiting_changed) ge->cargo.Truncate(waiting); } } } while (++ge != endof(st->goods)); StationID index = st->index; if (waiting_changed) { InvalidateWindow(WC_STATION_VIEW, index); // update whole window } else { InvalidateWindowWidget(WC_STATION_VIEW, index, SVW_RATINGLIST); // update only ratings list } } /* called for every station each tick */ static void StationHandleSmallTick(Station *st) { if (st->facilities == 0) return; byte b = st->delete_ctr + 1; if (b >= 185) b = 0; st->delete_ctr = b; if (b == 0) UpdateStationRating(st); } void OnTick_Station() { if (_game_mode == GM_EDITOR) return; uint i = _station_tick_ctr; if (++_station_tick_ctr > GetMaxStationIndex()) _station_tick_ctr = 0; if (IsValidStationID(i)) StationHandleBigTick(GetStation(i)); Station *st; FOR_ALL_STATIONS(st) { StationHandleSmallTick(st); /* Run 250 tick interval trigger for station animation. * Station index is included so that triggers are not all done * at the same time. */ if ((_tick_counter + st->index) % 250 == 0) { StationAnimationTrigger(st, st->xy, STAT_ANIM_250_TICKS); } } } void StationMonthlyLoop() { /* not used */ } void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius) { Station *st; FOR_ALL_STATIONS(st) { if (st->owner == owner && DistanceManhattan(tile, st->xy) <= radius) { for (CargoID i = 0; i < NUM_CARGO; i++) { GoodsEntry *ge = &st->goods[i]; if (ge->acceptance_pickup != 0) { ge->rating = Clamp(ge->rating + amount, 0, 255); } } } } } static void UpdateStationWaiting(Station *st, CargoID type, uint amount) { st->goods[type].cargo.Append(new CargoPacket(st->index, amount)); SetBit(st->goods[type].acceptance_pickup, GoodsEntry::PICKUP); StationAnimationTrigger(st, st->xy, STAT_ANIM_NEW_CARGO, type); InvalidateWindow(WC_STATION_VIEW, st->index); st->MarkTilesDirty(true); } static bool IsUniqueStationName(const char *name) { const Station *st; FOR_ALL_STATIONS(st) { if (st->name != NULL && strcmp(st->name, name) == 0) return false; } return true; } /** Rename a station * @param tile unused * @param flags operation to perform * @param p1 station ID that is to be renamed * @param p2 unused */ CommandCost CmdRenameStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, const char *text) { if (!IsValidStationID(p1)) return CMD_ERROR; Station *st = GetStation(p1); if (!CheckOwnership(st->owner)) return CMD_ERROR; bool reset = StrEmpty(text); if (!reset) { if (strlen(text) >= MAX_LENGTH_STATION_NAME_BYTES) return CMD_ERROR; if (!IsUniqueStationName(text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE); } if (flags & DC_EXEC) { free(st->name); st->name = reset ? NULL : strdup(text); UpdateStationVirtCoord(st); InvalidateWindowData(WC_STATION_LIST, st->owner, 1); MarkWholeScreenDirty(); } return CommandCost(); } /** * Find all (non-buoy) stations around a rectangular producer (industry, house, headquarter, ...) * * @param tile North tile of producer * @param w_prod X extent of producer * @param h_prod Y extent of producer * * @return: Set of found stations */ void FindStationsAroundTiles(TileIndex tile, int w_prod, int h_prod, StationList *stations) { /* area to search = producer plus station catchment radius */ int max_rad = (_settings_game.station.modified_catchment ? MAX_CATCHMENT : CA_UNMODIFIED); int w = w_prod + 2 * max_rad; int h = h_prod + 2 * max_rad; BEGIN_TILE_LOOP(cur_tile, w, h, tile - TileDiffXY(max_rad, max_rad)) cur_tile = TILE_MASK(cur_tile); if (!IsTileType(cur_tile, MP_STATION)) continue; Station *st = GetStationByTile(cur_tile); if (st->IsBuoy()) continue; // bouys don't accept cargo if (_settings_game.station.modified_catchment) { /* min and max coordinates of the producer relative */ const int x_min_prod = max_rad + 1; const int x_max_prod = max_rad + w_prod; const int y_min_prod = max_rad + 1; const int y_max_prod = max_rad + h_prod; int rad = st->GetCatchmentRadius(); int x_dist = min(w_cur - x_min_prod, x_max_prod - w_cur); if (w_cur < x_min_prod) { x_dist = x_min_prod - w_cur; } else if (w_cur > x_max_prod) { x_dist = w_cur - x_max_prod; } if (x_dist > rad) continue; int y_dist = min(h_cur - y_min_prod, y_max_prod - h_cur); if (h_cur < y_min_prod) { y_dist = y_min_prod - h_cur; } else if (h_cur > y_max_prod) { y_dist = h_cur - y_max_prod; } if (y_dist > rad) continue; } /* Insert the station in the set. This will fail if it has * already been added. */ stations->Include(st); END_TILE_LOOP(cur_tile, w, h, tile - TileDiffXY(max_rad, max_rad)) } uint MoveGoodsToStation(TileIndex tile, int w, int h, CargoID type, uint amount) { Station *st1 = NULL; // Station with best rating Station *st2 = NULL; // Second best station uint best_rating1 = 0; // rating of st1 uint best_rating2 = 0; // rating of st2 StationList all_stations; FindStationsAroundTiles(tile, w, h, &all_stations); for (Station **st_iter = all_stations.Begin(); st_iter != all_stations.End(); ++st_iter) { Station *st = *st_iter; /* Is the station reserved exclusively for somebody else? */ if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue; if (st->goods[type].rating == 0) continue; // Lowest possible rating, better not to give cargo anymore if (_settings_game.order.selectgoods && st->goods[type].last_speed == 0) continue; // Selectively servicing stations, and not this one if (IsCargoInClass(type, CC_PASSENGERS)) { if (st->facilities == FACIL_TRUCK_STOP) continue; // passengers are never served by just a truck stop } else { if (st->facilities == FACIL_BUS_STOP) continue; // non-passengers are never served by just a bus stop } /* This station can be used, add it to st1/st2 */ if (st1 == NULL || st->goods[type].rating >= best_rating1) { st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating; } else if (st2 == NULL || st->goods[type].rating >= best_rating2) { st2 = st; best_rating2 = st->goods[type].rating; } } /* no stations around at all? */ if (st1 == NULL) return 0; if (st2 == NULL) { /* only one station around */ uint moved = amount * best_rating1 / 256 + 1; UpdateStationWaiting(st1, type, moved); return moved; } /* several stations around, the best two (highest rating) are in st1 and st2 */ assert(st1 != NULL); assert(st2 != NULL); assert(best_rating1 != 0 || best_rating2 != 0); /* the 2nd highest one gets a penalty */ best_rating2 >>= 1; /* amount given to station 1 */ uint t = (best_rating1 * (amount + 1)) / (best_rating1 + best_rating2); uint moved = 0; if (t != 0) { moved = t * best_rating1 / 256 + 1; amount -= t; UpdateStationWaiting(st1, type, moved); } if (amount != 0) { amount = amount * best_rating2 / 256 + 1; moved += amount; UpdateStationWaiting(st2, type, amount); } return moved; } void BuildOilRig(TileIndex tile) { if (!Station::CanAllocateItem()) { DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile); return; } Station *st = new Station(tile); st->town = ClosestTownFromTile(tile, UINT_MAX); st->sign.width_1 = 0; st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG); assert(IsTileType(tile, MP_INDUSTRY)); MakeOilrig(tile, st->index, GetWaterClass(tile)); st->owner = OWNER_NONE; st->airport_flags = 0; st->airport_type = AT_OILRIG; st->xy = tile; st->bus_stops = NULL; st->truck_stops = NULL; st->airport_tile = tile; st->dock_tile = tile; st->train_tile = INVALID_TILE; st->had_vehicle_of_type = 0; st->time_since_load = 255; st->time_since_unload = 255; st->delete_ctr = 0; st->last_vehicle_type = VEH_INVALID; st->facilities = FACIL_AIRPORT | FACIL_DOCK; st->build_date = _date; st->rect.BeforeAddTile(tile, StationRect::ADD_FORCE); for (CargoID j = 0; j < NUM_CARGO; j++) { st->goods[j].acceptance_pickup = 0; st->goods[j].days_since_pickup = 255; st->goods[j].rating = INITIAL_STATION_RATING; st->goods[j].last_speed = 0; st->goods[j].last_age = 255; } UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); } void DeleteOilRig(TileIndex tile) { Station *st = GetStationByTile(tile); MakeWaterKeepingClass(tile, OWNER_NONE); MarkTileDirtyByTile(tile); st->dock_tile = INVALID_TILE; st->airport_tile = INVALID_TILE; st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK); st->airport_flags = 0; st->rect.AfterRemoveTile(st, tile); UpdateStationVirtCoordDirty(st); if (st->facilities == 0) delete st; } static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner) { if (!IsTileOwner(tile, old_owner)) return; if (new_owner != INVALID_OWNER) { Station *st = GetStationByTile(tile); SetTileOwner(tile, new_owner); if (!IsBuoy(tile)) st->owner = new_owner; // do not set st->owner for buoys InvalidateWindowClassesData(WC_STATION_LIST, 0); } else { if (IsDriveThroughStopTile(tile)) { /* Remove the drive-through road stop */ DoCommand(tile, 0, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP); assert(IsTileType(tile, MP_ROAD)); /* Change owner of tile and all roadtypes */ ChangeTileOwner(tile, old_owner, new_owner); } else { DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR); /* Set tile owner of water under (now removed) buoy and dock to OWNER_NONE. * Update owner of buoy if it was not removed (was in orders). * Do not update when owned by OWNER_WATER (sea and rivers). */ if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_owner)) SetTileOwner(tile, OWNER_NONE); } } } /** * Check if a drive-through road stop tile can be cleared. * Road stops built on town-owned roads check the conditions * that would allow clearing of the original road. * @param tile road stop tile to check * @param flags command flags * @return true if the road can be cleared */ static bool CanRemoveRoadWithStop(TileIndex tile, uint32 flags) { /* The road can always be cleared if it was not a town-owned road */ if (!GetStopBuiltOnTownRoad(tile)) return true; return CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, ROADTYPE_ROAD, flags); } static CommandCost ClearTile_Station(TileIndex tile, byte flags) { if (flags & DC_AUTO) { switch (GetStationType(tile)) { case STATION_RAIL: return_cmd_error(STR_300B_MUST_DEMOLISH_RAILROAD); case STATION_AIRPORT: return_cmd_error(STR_300E_MUST_DEMOLISH_AIRPORT_FIRST); case STATION_TRUCK: return_cmd_error(HasTileRoadType(tile, ROADTYPE_TRAM) ? STR_MUST_DEMOLISH_CARGO_TRAM_STATION : STR_3047_MUST_DEMOLISH_TRUCK_STATION); case STATION_BUS: return_cmd_error(HasTileRoadType(tile, ROADTYPE_TRAM) ? STR_MUST_DEMOLISH_PASSENGER_TRAM_STATION : STR_3046_MUST_DEMOLISH_BUS_STATION); case STATION_BUOY: return_cmd_error(STR_306A_BUOY_IN_THE_WAY); case STATION_DOCK: return_cmd_error(STR_304D_MUST_DEMOLISH_DOCK_FIRST); case STATION_OILRIG: SetDParam(0, STR_4807_OIL_RIG); return_cmd_error(STR_4800_IN_THE_WAY); } } Station *st = GetStationByTile(tile); switch (GetStationType(tile)) { case STATION_RAIL: return RemoveRailroadStation(st, tile, flags); case STATION_AIRPORT: return RemoveAirport(st, flags); case STATION_TRUCK: if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) return_cmd_error(STR_3047_MUST_DEMOLISH_TRUCK_STATION); return RemoveRoadStop(st, flags, tile); case STATION_BUS: if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) return_cmd_error(STR_3046_MUST_DEMOLISH_BUS_STATION); return RemoveRoadStop(st, flags, tile); case STATION_BUOY: return RemoveBuoy(st, flags); case STATION_DOCK: return RemoveDock(st, flags); default: break; } return CMD_ERROR; } void InitializeStations() { /* Clean the station pool and create 1 block in it */ _Station_pool.CleanPool(); _Station_pool.AddBlockToPool(); /* Clean the roadstop pool and create 1 block in it */ _RoadStop_pool.CleanPool(); _RoadStop_pool.AddBlockToPool(); _station_tick_ctr = 0; } static CommandCost TerraformTile_Station(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new) { if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) { /* TODO: If you implement newgrf callback 149 'land slope check', you have to decide what to do with it here. * TTDP does not call it. */ if (!IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) { switch (GetStationType(tile)) { case STATION_RAIL: { DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile)); if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break; if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break; return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform); } case STATION_AIRPORT: return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform); case STATION_TRUCK: case STATION_BUS: { DiagDirection direction = GetRoadStopDir(tile); if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break; if (IsDriveThroughStopTile(tile)) { if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break; } return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform); } default: break; } } } return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); } extern const TileTypeProcs _tile_type_station_procs = { DrawTile_Station, /* draw_tile_proc */ GetSlopeZ_Station, /* get_slope_z_proc */ ClearTile_Station, /* clear_tile_proc */ GetAcceptedCargo_Station, /* get_accepted_cargo_proc */ GetTileDesc_Station, /* get_tile_desc_proc */ GetTileTrackStatus_Station, /* get_tile_track_status_proc */ ClickTile_Station, /* click_tile_proc */ AnimateTile_Station, /* animate_tile_proc */ TileLoop_Station, /* tile_loop_clear */ ChangeTileOwner_Station, /* change_tile_owner_clear */ NULL, /* get_produced_cargo_proc */ VehicleEnter_Station, /* vehicle_enter_tile_proc */ GetFoundation_Station, /* get_foundation_proc */ TerraformTile_Station, /* terraform_tile_proc */ };