/* $Id$ */ /** @file station_cmd.c */ #include "stdafx.h" #include "openttd.h" #include "debug.h" #include "functions.h" #include "station_map.h" #include "table/sprites.h" #include "table/strings.h" #include "map.h" #include "tile.h" #include "station.h" #include "gfx.h" #include "window.h" #include "viewport.h" #include "command.h" #include "town.h" #include "vehicle.h" #include "news.h" #include "saveload.h" #include "economy.h" #include "player.h" #include "airport.h" #include "sprite.h" #include "depot.h" #include "train.h" #include "water_map.h" #include "industry_map.h" #include "newgrf_callbacks.h" #include "newgrf_station.h" #include "yapf/yapf.h" #include "date.h" /** * Called if a new block is added to the station-pool */ static void StationPoolNewBlock(uint start_item) { Station *st; /* We don't use FOR_ALL here, because FOR_ALL skips invalid items. * TODO - This is just a temporary stage, this will be removed. */ for (st = GetStation(start_item); st != NULL; st = (st->index + 1U < GetStationPoolSize()) ? GetStation(st->index + 1U) : NULL) st->index = start_item++; } static void StationPoolCleanBlock(uint start_item, uint end_item) { uint i; for (i = start_item; i <= end_item; i++) { Station *st = GetStation(i); free(st->speclist); st->speclist = NULL; } } /** * Called if a new block is added to the roadstop-pool */ static void RoadStopPoolNewBlock(uint start_item) { RoadStop *rs; /* We don't use FOR_ALL here, because FOR_ALL skips invalid items. * TODO - This is just a temporary stage, this will be removed. */ for (rs = GetRoadStop(start_item); rs != NULL; rs = (rs->index + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) rs->index = start_item++; } DEFINE_POOL(Station, Station, StationPoolNewBlock, StationPoolCleanBlock) DEFINE_POOL(RoadStop, RoadStop, RoadStopPoolNewBlock, NULL) extern void UpdateAirplanesOnNewStation(Station *st); static bool TileBelongsToRailStation(const Station *st, TileIndex tile) { return IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st->index && IsRailwayStation(tile); } static void MarkStationTilesDirty(const Station *st) { TileIndex tile = st->train_tile; int w, h; // XXX No station is recorded as 0, not INVALID_TILE... if (tile == 0) return; for (h = 0; h < st->trainst_h; h++) { for (w = 0; w < st->trainst_w; w++) { if (TileBelongsToRailStation(st, tile)) { MarkTileDirtyByTile(tile); } tile += TileDiffXY(1, 0); } tile += TileDiffXY(-w, 1); } } static void MarkStationDirty(const Station* st) { if (st->sign.width_1 != 0) { InvalidateWindowWidget(WC_STATION_VIEW, st->index, 1); MarkAllViewportsDirty( st->sign.left - 6, st->sign.top, st->sign.left + (st->sign.width_1 << 2) + 12, st->sign.top + 48); } } static void InitializeRoadStop(RoadStop *road_stop, RoadStop *previous, TileIndex tile, StationID index) { road_stop->xy = tile; road_stop->used = true; road_stop->status = 3; //stop is free road_stop->next = NULL; road_stop->prev = previous; road_stop->station = index; road_stop->num_vehicles = 0; } RoadStop* GetPrimaryRoadStop(const Station* st, RoadStopType type) { switch (type) { case RS_BUS: return st->bus_stops; case RS_TRUCK: return st->truck_stops; default: NOT_REACHED(); } return NULL; } RoadStop* GetRoadStopByTile(TileIndex tile, RoadStopType type) { const Station* st = GetStationByTile(tile); RoadStop* rs; for (rs = GetPrimaryRoadStop(st, type); rs->xy != tile; rs = rs->next) { assert(rs->next != NULL); } return rs; } uint GetNumRoadStopsInStation(const Station* st, RoadStopType type) { uint num = 0; const RoadStop *rs; assert(st != NULL); for (rs = GetPrimaryRoadStop(st, type); rs != NULL; rs = rs->next) num++; return num; } RoadStop *AllocateRoadStop(void) { RoadStop *rs; /* We don't use FOR_ALL here, because FOR_ALL skips invalid items. * TODO - This is just a temporary stage, this will be removed. */ for (rs = GetRoadStop(0); rs != NULL; rs = (rs->index + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) { if (!IsValidRoadStop(rs)) { RoadStopID index = rs->index; memset(rs, 0, sizeof(*rs)); rs->index = index; return rs; } } /* Check if we can add a block to the pool */ if (AddBlockToPool(&_RoadStop_pool)) return AllocateRoadStop(); return NULL; } /* Calculate the radius of the station. Basicly it is the biggest * radius that is available within the station */ static uint FindCatchmentRadius(const Station* st) { uint ret = 0; if (st->bus_stops != NULL) ret = max(ret, CA_BUS); if (st->truck_stops != NULL) ret = max(ret, CA_TRUCK); if (st->train_tile) ret = max(ret, CA_TRAIN); if (st->dock_tile) ret = max(ret, CA_DOCK); if (st->airport_tile) { switch (st->airport_type) { case AT_OILRIG: ret = max(ret, CA_AIR_OILPAD); break; case AT_SMALL: ret = max(ret, CA_AIR_SMALL); break; case AT_HELIPORT: ret = max(ret, CA_AIR_HELIPORT); break; case AT_LARGE: ret = max(ret, CA_AIR_LARGE); break; case AT_METROPOLITAN: ret = max(ret, CA_AIR_METRO); break; case AT_INTERNATIONAL: ret = max(ret, CA_AIR_INTER); break; case AT_COMMUTER: ret = max(ret, CA_AIR_COMMUTER); break; case AT_HELIDEPOT: ret = max(ret, CA_AIR_HELIDEPOT); break; case AT_INTERCON: ret = max(ret, CA_AIR_INTERCON); break; case AT_HELISTATION: ret = max(ret, CA_AIR_HELISTATION); break; } } return ret; } #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); { Station *st = GetStation(t); // you cannot take control of an oilrig!! if (st->airport_type == AT_OILRIG && st->facilities == (FACIL_AIRPORT|FACIL_DOCK)) continue; } 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); } static Station *AllocateStation(void) { Station *st = NULL; /* We don't use FOR_ALL here, because FOR_ALL skips invalid items. * TODO - This is just a temporary stage, this will be removed. */ for (st = GetStation(0); st != NULL; st = (st->index + 1U < GetStationPoolSize()) ? GetStation(st->index + 1U) : NULL) { if (!IsValidStation(st)) { StationID index = st->index; memset(st, 0, sizeof(Station)); st->index = index; return st; } } /* Check if we can add a block to the pool */ if (AddBlockToPool(&_Station_pool)) return AllocateStation(); _error_message = STR_3008_TOO_MANY_STATIONS_LOADING; return NULL; } /** * 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 * @result the noumber of matching tiles around */ static int CountMapSquareAround(TileIndex tile, TileType type, IndustryType industry) { TileIndex cur_tile; int dx, dy; int num = 0; for (dx = -3; dx <= 3; dx++) { for (dy = -3; dy <= 3; dy++) { cur_tile = TILE_MASK(tile + TileDiffXY(dx, dy)); if (IsTileType(cur_tile, type)) { switch (type) { case MP_INDUSTRY: if (GetIndustryType(cur_tile) == industry) num++; break; case MP_WATER: if (!IsWater(cur_tile)) break; /* FALL THROUGH WHEN WATER TILE */ case MP_TREES: num++; break; default: break; } } } } return num; } #define M(x) ((x) - STR_SV_STNAME) static bool 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 */ }; Town *t = st->town; uint32 free_names = (uint32)-1; int found; uint z,z2; unsigned long tmp; { Station *s; FOR_ALL_STATIONS(s) { if (s != st && s->town==t) { 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); } } } } /* check default names */ tmp = free_names & _gen_station_name_bits[flag]; if (tmp != 0) { found = FindFirstBit(tmp); goto done; } /* check mine? */ if (HASBIT(free_names, M(STR_SV_STNAME_MINES))) { if (CountMapSquareAround(tile, MP_INDUSTRY, IT_COAL_MINE) >= 2 || CountMapSquareAround(tile, MP_INDUSTRY, IT_IRON_MINE) >= 2 || CountMapSquareAround(tile, MP_INDUSTRY, IT_COPPER_MINE) >= 2 || CountMapSquareAround(tile, MP_INDUSTRY, IT_GOLD_MINE) >= 2 || CountMapSquareAround(tile, MP_INDUSTRY, IT_DIAMOND_MINE) >= 2) { found = M(STR_SV_STNAME_MINES); goto done; } } /* check close enough to town to get central as name? */ if (DistanceMax(tile,t->xy) < 8) { found = M(STR_SV_STNAME); if (HASBIT(free_names, M(STR_SV_STNAME))) goto done; found = M(STR_SV_STNAME_CENTRAL); if (HASBIT(free_names, M(STR_SV_STNAME_CENTRAL))) goto done; } /* Check lakeside */ if (HASBIT(free_names, M(STR_SV_STNAME_LAKESIDE)) && DistanceFromEdge(tile) < 20 && CountMapSquareAround(tile, MP_WATER, 0) >= 5) { found = M(STR_SV_STNAME_LAKESIDE); goto done; } /* Check woods */ if (HASBIT(free_names, M(STR_SV_STNAME_WOODS)) && ( CountMapSquareAround(tile, MP_TREES, 0) >= 8 || CountMapSquareAround(tile, MP_INDUSTRY, IT_FOREST) >= 2) ) { found = _opt.landscape == LT_DESERT ? M(STR_SV_STNAME_FOREST) : M(STR_SV_STNAME_WOODS); goto done; } /* check elevation compared to town */ z = GetTileZ(tile); z2 = GetTileZ(t->xy); if (z < z2) { found = M(STR_SV_STNAME_VALLEY); if (HASBIT(free_names, M(STR_SV_STNAME_VALLEY))) goto done; } else if (z > z2) { found = M(STR_SV_STNAME_HEIGHTS); if (HASBIT(free_names, M(STR_SV_STNAME_HEIGHTS))) goto done; } /* 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)); if (tmp == 0) { _error_message = STR_3007_TOO_MANY_STATIONS_LOADING; return false; } found = FindFirstBit(tmp); done: st->string_id = found + STR_SV_STNAME; return true; } #undef M static Station* GetClosestStationFromTile(TileIndex tile, uint threshold, PlayerID owner) { Station* best_station = NULL; Station* st; FOR_ALL_STATIONS(st) { if ((owner == PLAYER_SPECTATOR || st->owner == owner)) { uint cur_dist = DistanceManhattan(tile, st->xy); if (cur_dist < threshold) { threshold = cur_dist; best_station = st; } } } return best_station; } static void StationInitialize(Station *st, TileIndex tile) { GoodsEntry *ge; st->xy = tile; st->airport_tile = st->dock_tile = st->train_tile = 0; st->bus_stops = st->truck_stops = NULL; st->had_vehicle_of_type = 0; st->time_since_load = 255; st->time_since_unload = 255; st->delete_ctr = 0; st->facilities = 0; st->last_vehicle_type = VEH_Invalid; for (ge = st->goods; ge != endof(st->goods); ge++) { ge->waiting_acceptance = 0; ge->days_since_pickup = 0; ge->enroute_from = INVALID_STATION; ge->rating = 175; ge->last_speed = 0; ge->last_age = 0xFF; ge->feeder_profit = 0; } st->random_bits = Random(); st->waiting_triggers = 0; } // Update the virtual coords needed to draw the station sign. // 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(void) { Station* st; FOR_ALL_STATIONS(st) { UpdateStationVirtCoord(st); } } // Update the station virt coords while making the modified parts dirty. static void UpdateStationVirtCoordDirty(Station *st) { MarkStationDirty(st); UpdateStationVirtCoord(st); MarkStationDirty(st); } // Get a mask of the cargo types that the station accepts. static uint GetAcceptanceMask(const Station *st) { uint mask = 0; uint i; for (i = 0; i != NUM_CARGO; i++) { if (st->goods[i].waiting_acceptance & 0x8000) 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, uint32 items, StringID msg) { if (items) { SetDParam(2, GB(items, 16, 16)); SetDParam(1, GB(items, 0, 16)); SetDParam(0, st->index); AddNewsItem(msg + (GB(items, 16, 16) ? 1 : 0), NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_TILE, NT_ACCEPTANCE, 0), st->xy, 0); } } // Get a list of the cargo types being produced around the tile. void GetProductionAroundTiles(AcceptedCargo produced, TileIndex tile, int w, int h, int rad) { int x,y; int x1,y1,x2,y2; int xc,yc; memset(produced, 0, sizeof(AcceptedCargo)); x = TileX(tile); y = TileY(tile); // expand the region by rad tiles on each side // while making sure that we remain inside the board. x2 = min(x + w + rad, MapSizeX()); x1 = max(x - rad, 0); y2 = min(y + h + rad, MapSizeY()); y1 = max(y - rad, 0); assert(x1 < x2); assert(y1 < y2); assert(w > 0); assert(h > 0); for (yc = y1; yc != y2; yc++) { for (xc = x1; xc != x2; xc++) { if (!(IS_INSIDE_1D(xc, x, w) && IS_INSIDE_1D(yc, y, h))) { GetProducedCargoProc *gpc; TileIndex tile = TileXY(xc, yc); gpc = _tile_type_procs[GetTileType(tile)]->get_produced_cargo_proc; if (gpc != NULL) { CargoID cargos[2] = { CT_INVALID, CT_INVALID }; gpc(tile, cargos); if (cargos[0] != CT_INVALID) { produced[cargos[0]]++; if (cargos[1] != CT_INVALID) { produced[cargos[1]]++; } } } } } } } // Get a list of the cargo types that are accepted around the tile. void GetAcceptanceAroundTiles(AcceptedCargo accepts, TileIndex tile, int w, int h, int rad) { int x,y; int x1,y1,x2,y2; int xc,yc; memset(accepts, 0, sizeof(AcceptedCargo)); x = TileX(tile); y = TileY(tile); // expand the region by rad tiles on each side // while making sure that we remain inside the board. x2 = min(x + w + rad, MapSizeX()); y2 = min(y + h + rad, MapSizeY()); x1 = max(x - rad, 0); y1 = max(y - rad, 0); assert(x1 < x2); assert(y1 < y2); assert(w > 0); assert(h > 0); for (yc = y1; yc != y2; yc++) { for (xc = x1; xc != x2; xc++) { TileIndex tile = TileXY(xc, yc); if (!IsTileType(tile, MP_STATION)) { AcceptedCargo ac; uint i; GetAcceptedCargo(tile, ac); for (i = 0; i < lengthof(ac); ++i) accepts[i] += ac[i]; } } } } typedef struct ottd_Rectangle { uint min_x; uint min_y; uint max_x; uint max_y; } ottd_Rectangle; static inline void MergePoint(ottd_Rectangle* rect, TileIndex tile) { uint x = TileX(tile); uint y = TileY(tile); if (rect->min_x > x) rect->min_x = x; if (rect->min_y > y) rect->min_y = y; if (rect->max_x < x) rect->max_x = x; if (rect->max_y < y) rect->max_y = y; } // Update the acceptance for a station. // show_msg controls whether to display a message that acceptance was changed. static void UpdateStationAcceptance(Station *st, bool show_msg) { uint old_acc, new_acc; const RoadStop *cur_rs; int i; ottd_Rectangle rect; int rad; AcceptedCargo accepts; rect.min_x = MapSizeX(); rect.min_y = MapSizeY(); rect.max_x = rect.max_y = 0; // Don't update acceptance for a buoy if (IsBuoy(st)) return; /* old accepted goods types */ old_acc = GetAcceptanceMask(st); // Put all the tiles that span an area in the table. if (st->train_tile != 0) { MergePoint(&rect, st->train_tile); MergePoint(&rect, st->train_tile + TileDiffXY(st->trainst_w - 1, st->trainst_h - 1) ); } if (st->airport_tile != 0) { const AirportFTAClass* afc = GetAirport(st->airport_type); MergePoint(&rect, st->airport_tile); MergePoint(&rect, st->airport_tile + TileDiffXY(afc->size_x - 1, afc->size_y - 1) ); } if (st->dock_tile != 0) MergePoint(&rect, st->dock_tile); for (cur_rs = st->bus_stops; cur_rs != NULL; cur_rs = cur_rs->next) { MergePoint(&rect, cur_rs->xy); } for (cur_rs = st->truck_stops; cur_rs != NULL; cur_rs = cur_rs->next) { MergePoint(&rect, cur_rs->xy); } rad = (_patches.modified_catchment) ? FindCatchmentRadius(st) : 4; // And retrieve the acceptance. if (rect.max_x >= rect.min_x) { GetAcceptanceAroundTiles( accepts, TileXY(rect.min_x, rect.min_y), rect.max_x - rect.min_x + 1, rect.max_y - rect.min_y + 1, rad ); } else { memset(accepts, 0, sizeof(accepts)); } // Adjust in case our station only accepts fewer kinds of goods for (i = 0; i != NUM_CARGO; i++) { uint amt = min(accepts[i], 15); // Make sure the station can accept the goods type. if ((i != CT_PASSENGERS && !(st->facilities & (byte)~FACIL_BUS_STOP)) || (i == CT_PASSENGERS && !(st->facilities & (byte)~FACIL_TRUCK_STOP))) amt = 0; SB(st->goods[i].waiting_acceptance, 12, 4, amt); } // Only show a message in case the acceptance was actually changed. 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_player && st->facilities) { uint32 accept=0, reject=0; /* these contain two string ids each */ const StringID *str = _cargoc.names_s; do { if (new_acc & 1) { if (!(old_acc & 1)) accept = (accept << 16) | *str; } else { if (old_acc & 1) reject = (reject << 16) | *str; } } while (str++,(new_acc>>=1) != (old_acc>>=1)); ShowRejectOrAcceptNews(st, accept, STR_3040_NOW_ACCEPTS); ShowRejectOrAcceptNews(st, reject, STR_303E_NO_LONGER_ACCEPTS); } // redraw the station view since acceptance changed InvalidateWindowWidget(WC_STATION_VIEW, st->index, 4); } static bool CheckStationSpreadOut(Station *st, TileIndex tile, int w, int h) { StationID station_index = st->index; uint x1 = TileX(tile); uint y1 = TileY(tile); ottd_Rectangle r = {x1, y1, x1 + w - 1, y1 + h - 1}; // get station bounding rect for (tile = 0; tile < MapSize(); tile++) { if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == station_index) MergePoint(&r, tile); } // check if bounding rect doesn't exceed the maximum station spread if (r.max_x - r.min_x >= _patches.station_spread || r.max_y - r.min_y >= _patches.station_spread) { _error_message = STR_306C_STATION_TOO_SPREAD_OUT; return false; } return true; } static void UpdateStationSignCoord(Station *st) { ottd_Rectangle r = {MapSizeX(), MapSizeY(), 0, 0}; TileIndex tile; // get station bounding rect for (tile = 0; tile < MapSize(); tile++) { if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st->index) MergePoint(&r, tile); } if (r.max_x < r.min_x) return; // no tiles belong to this station // clamp sign coord to be inside the rect st->xy = TileXY(clampu(TileX(st->xy), r.min_x, r.max_x), clampu(TileY(st->xy), r.min_y, r.max_y)); 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. static void DeleteStationIfEmpty(Station* st) { if (st->facilities == 0) { st->delete_ctr = 0; RebuildStationLists(); InvalidateWindow(WC_STATION_LIST, st->owner); } /* station remains but it probably lost some parts - station sign should stay in the station boundaries */ UpdateStationSignCoord(st); } static int32 ClearTile_Station(TileIndex tile, byte flags); // Tries to clear the given area. Returns the cost in case of success. // Or an error code if it failed. int32 CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, StationID* station) { int32 cost = 0, ret; Slope tileh; uint z; int allowed_z = -1; int flat_z; BEGIN_TILE_LOOP(tile_cur, w, h, tile) if (!EnsureNoVehicle(tile_cur)) return CMD_ERROR; tileh = GetTileSlope(tile_cur, &z); /* Prohibit building if * 1) The tile is "steep" (i.e. stretches two height levels) * -OR- * 2) The tile is non-flat if * a) the player building is an "old-school" AI * -OR- * b) the build_on_slopes switch is disabled */ if (IsSteepSlope(tileh) || ((_is_old_ai_player || !_patches.build_on_slopes) && tileh != SLOPE_FLAT)) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } flat_z = z; if (tileh != SLOPE_FLAT) { // need to check so the entrance to the station is not pointing at a slope. if ((invalid_dirs&1 && !(tileh & SLOPE_NE) && (uint)w_cur == w) || (invalid_dirs&2 && !(tileh & SLOPE_SE) && h_cur == 1) || (invalid_dirs&4 && !(tileh & SLOPE_SW) && w_cur == 1) || (invalid_dirs&8 && !(tileh & SLOPE_NW) && (uint)h_cur == h)) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } cost += _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 { ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; cost += ret; } END_TILE_LOOP(tile_cur, w, h, tile) return cost; } static bool CanExpandRailroadStation(Station* st, uint* fin, Axis axis) { uint curw = st->trainst_w, curh = st->trainst_h; TileIndex tile = fin[0]; uint w = fin[1]; uint h = fin[2]; if (_patches.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 { // check so the orientation is the same if (GetRailStationAxis(st->train_tile) != axis) { _error_message = STR_306D_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_306D_NONUNIFORM_STATIONS_DISALLOWED; return false; } } // make sure the final size is not too big. if (curw > _patches.station_spread || curh > _patches.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 p1 various bitstuffed elements * - p1 = (bit 0) - orientation (p1 & 1) * - p1 = (bit 8-15) - number of tracks * - p1 = (bit 16-23) - platform length * @param p2 various bitstuffed elements * - p2 = (bit 0- 3) - railtype (p2 & 0xF) * - p2 = (bit 8-15) - custom station class * - p2 = (bit 16-23) - custom station id */ int32 CmdBuildRailroadStation(TileIndex tile_org, uint32 flags, uint32 p1, uint32 p2) { Station *st; int w_org, h_org; int32 cost, ret; StationID est; int plat_len, numtracks; Axis axis; uint finalvalues[3]; const StationSpec *statspec; int specindex; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); /* Does the authority allow this? */ if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile_org)) return CMD_ERROR; if (!ValParamRailtype(p2 & 0xF)) return CMD_ERROR; /* unpack parameters */ axis = p1 & 1; numtracks = GB(p1, 8, 8); plat_len = GB(p1, 16, 8); /* w = length, h = num_tracks */ if (axis == AXIS_X) { w_org = plat_len; h_org = numtracks; } else { h_org = plat_len; w_org = numtracks; } if (h_org > _patches.station_spread || w_org > _patches.station_spread) return CMD_ERROR; // these values are those that will be stored in train_tile and station_platforms 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) 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 ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags & ~DC_EXEC, 5 << axis, _patches.nonuniform_stations ? &est : NULL); if (CmdFailed(ret)) return ret; cost = ret + (numtracks * _price.train_station_track + _price.train_station_length) * plat_len; // 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; // See if there is a deleted station close to us. if (st == NULL) { st = GetClosestStationFromTile(tile_org, 8, _current_player); if (st != NULL && st->facilities) st = NULL; } if (st != NULL) { // Reuse an existing station. if (st->owner != OWNER_NONE && st->owner != _current_player) return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); if (st->train_tile != 0) { // check if we want to expanding an already existing station? if (_is_old_ai_player || !_patches.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 (!CheckStationSpreadOut(st, tile_org, w_org, h_org)) return CMD_ERROR; } else { // Create a new station st = AllocateStation(); if (st == NULL) return CMD_ERROR; st->town = ClosestTownFromTile(tile_org, (uint)-1); if (IsValidPlayer(_current_player) && (flags & DC_EXEC)) SETBIT(st->town->have_ratings, _current_player); if (!GenerateStationName(st, tile_org, 0)) return CMD_ERROR; if (flags & DC_EXEC) StationInitialize(st, tile_org); } /* Check if the given station class is valid */ if (GB(p2, 8, 8) >= STAT_CLASS_MAX) return CMD_ERROR; /* Check if we can allocate a custom stationspec to this station */ statspec = GetCustomStationSpec(GB(p2, 8, 8), GB(p2, 16, 8)); specindex = AllocateSpecToStation(statspec, st, flags & DC_EXEC); if (specindex == -1) return CMD_ERROR; 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) && GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE) == 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, _patches.nonuniform_stations ? &est : NULL); if (CmdFailed(ret)) return ret; st->train_tile = finalvalues[0]; if (!st->facilities) st->xy = finalvalues[0]; st->facilities |= FACIL_TRAIN; st->owner = _current_player; st->trainst_w = finalvalues[1]; st->trainst_h = finalvalues[2]; st->build_date = _date; tile_delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1)); track = AxisToTrack(axis); layout_ptr = alloca(numtracks * plat_len); GetStationLayout(layout_ptr, numtracks, plat_len, statspec); numtracks_orig = numtracks; do { TileIndex tile = tile_org; int w = plat_len; do { byte layout = *layout_ptr++; MakeRailStation(tile, st->owner, st->index, axis, layout, GB(p2, 0, 4)); SetCustomStationSpecIndex(tile, specindex); SetStationTileRandomBits(tile, GB(Random(), 0, 4)); 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); uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, platinfo, 0, statspec, st, tile); if (callback != CALLBACK_FAILED && callback < 8) SetStationGfx(tile, callback + axis); } tile += tile_delta; } while (--w); SetSignalsOnBothDir(tile_org, track); YapfNotifyTrackLayoutChange(tile_org, track); tile_org += tile_delta ^ TileDiffXY(1, 1); // perpendicular to tile_delta } while (--numtracks); MarkStationTilesDirty(st); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); RebuildStationLists(); InvalidateWindow(WC_STATION_LIST, st->owner); } return cost; } static void MakeRailwayStationAreaSmaller(Station *st) { uint w = st->trainst_w; uint h = st->trainst_h; TileIndex tile = st->train_tile; uint i; restart: // too small? if (w != 0 && h != 0) { // check the left side, x = constant, y changes for (i = 0; !TileBelongsToRailStation(st, 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 (i = 0; !TileBelongsToRailStation(st, 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 (i = 0; !TileBelongsToRailStation(st, 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 (i = 0; !TileBelongsToRailStation(st, tile + TileDiffXY(i, h - 1));) { // the left side is unused? if (++i == w) { h--; goto restart; } } } else { tile = 0; } 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 p1 unused * @param p2 unused */ int32 CmdRemoveFromRailroadStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Station *st; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); // make sure the specified tile belongs to the current player, and that it is a railroad station. if (!IsTileType(tile, MP_STATION) || !IsRailwayStation(tile) || !_patches.nonuniform_stations) return CMD_ERROR; st = GetStationByTile(tile); if (_current_player != OWNER_WATER && (!CheckOwnership(st->owner) || !EnsureNoVehicle(tile))) return CMD_ERROR; // if we reached here, it means we can actually delete it. do that. if (flags & DC_EXEC) { uint specindex = GetCustomStationSpecIndex(tile); Track track = GetRailStationTrack(tile); DoClearSquare(tile); SetSignalsOnBothDir(tile, track); YapfNotifyTrackLayoutChange(tile, 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); MarkStationTilesDirty(st); UpdateStationSignCoord(st); // if we deleted the whole station, delete the train facility. if (st->train_tile == 0) { st->facilities &= ~FACIL_TRAIN; UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } } return _price.remove_rail_station; } // determine the number of platforms for the station uint GetStationPlatforms(const Station *st, TileIndex tile) { TileIndex t; TileIndexDiff delta; Axis axis; uint len; assert(TileBelongsToRailStation(st, tile)); len = 0; axis = GetRailStationAxis(tile); delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1)); // find starting tile.. t = tile; do { t -= delta; len++; } while (TileBelongsToRailStation(st, t) && GetRailStationAxis(t) == axis); // find ending tile t = tile; do { t += delta; len++; } while (TileBelongsToRailStation(st, t) && GetRailStationAxis(t) == axis); return len - 1; } /** Determines the REMAINING length of a platform, starting at (and including) * the given tile. * @param tile the tile from which to start searching. Must be a railway station tile * @param dir The direction in which to search. * @return The platform length */ uint GetPlatformLength(TileIndex tile, DiagDirection dir) { TileIndex start_tile = tile; uint length = 0; assert(IsRailwayStationTile(tile)); assert(dir < DIAGDIR_END); do { length ++; tile += TileOffsByDiagDir(dir); } while (IsCompatibleTrainStationTile(tile, start_tile)); return length; } static int32 RemoveRailroadStation(Station *st, TileIndex tile, uint32 flags) { int w,h; int32 cost; /* if there is flooding and non-uniform stations are enabled, remove platforms tile by tile */ if (_current_player == OWNER_WATER && _patches.nonuniform_stations) return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAILROAD_STATION); /* Current player owns the station? */ if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR; /* determine width and height of platforms */ tile = st->train_tile; w = st->trainst_w; h = st->trainst_h; assert(w != 0 && h != 0); /* cost is area * constant */ cost = w*h*_price.remove_rail_station; /* 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 (TileBelongsToRailStation(st, tile)) { if (!EnsureNoVehicle(tile)) return CMD_ERROR; if (flags & DC_EXEC) { Track track = GetRailStationTrack(tile); DoClearSquare(tile); SetSignalsOnBothDir(tile, track); YapfNotifyTrackLayoutChange(tile, track); } } tile += TileDiffXY(1, 0); } while (--w); w = w_bak; tile += TileDiffXY(-w, 1); } while (--h); if (flags & DC_EXEC) { st->train_tile = 0; st->facilities &= ~FACIL_TRAIN; free(st->speclist); st->num_specs = 0; st->speclist = NULL; UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return cost; } int32 DoConvertStationRail(TileIndex tile, RailType totype, bool exec) { const Station* st = GetStationByTile(tile); if (!CheckOwnership(st->owner) || !EnsureNoVehicle(tile)) return CMD_ERROR; // tile is not a railroad station? if (!IsRailwayStation(tile)) return CMD_ERROR; if (GetRailType(tile) == totype) return CMD_ERROR; // 'hidden' elrails can't be downgraded to normal rail when elrails are disabled if (_patches.disable_elrails && totype == RAILTYPE_RAIL && GetRailType(tile) == RAILTYPE_ELECTRIC) return CMD_ERROR; if (exec) { SetRailType(tile, totype); MarkTileDirtyByTile(tile); YapfNotifyTrackLayoutChange(tile, GetRailStationTrack(tile)); } return _price.build_rail >> 1; } /** Heavy wizardry used to add a roadstop to a station. * To understand the function, lets first look at what is passed around, * especially the last two parameters. CmdBuildRoadStop allocates a road * stop and needs to put that stop into the linked list of road stops. * It (CmdBuildRoadStop) has a **currstop pointer which points to element * in the linked list of stops (each element in this list being a pointer * in itself, hence the double pointer). We (FindRoadStopSpot) need to * modify this pointer (**currstop) thus we need to pass by reference, * obtaining a triple pointer (***currstop). When finished, **currstop * in CmdBuildRoadStop will contain the address of the pointer which will * then point into the global roadstop array. *prev (in CmdBuildRoadStop) * is the pointer tino the global roadstop array which has *currstop in * its ->next element. * @param[in] truck_station Determines whether a stop is RS_BUS or RS_TRUCK * @param[in] station The station to do the whole procedure for * @param[out] currstop See the detailed function description * @param prev See the detailed function description */ static void FindRoadStopSpot(bool truck_station, Station* st, RoadStop*** currstop, RoadStop** prev) { RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops; assert(*prev == NULL); if (*primary_stop == NULL) { //we have no roadstop of the type yet, so write a "primary stop" *currstop = primary_stop; } else { //there are stops already, so append to the end of the list *prev = *primary_stop; *currstop = &(*primary_stop)->next; while (**currstop != NULL) { *prev = (*prev)->next; *currstop = &(**currstop)->next; } } } /** Build a bus or truck stop * @param tile tile to build the stop at * @param p1 entrance direction (DiagDirection) * @param p2 0 for Bus stops, 1 for truck stops */ int32 CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Station *st; RoadStop *road_stop; RoadStop **currstop; RoadStop *prev = NULL; int32 cost; int32 ret; bool type = !!p2; /* Saveguard the parameters */ if (!IsValidDiagDirection(p1)) return CMD_ERROR; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR; ret = CheckFlatLandBelow(tile, 1, 1, flags, 1 << p1, NULL); if (CmdFailed(ret)) return ret; cost = ret; st = GetStationAround(tile, 1, 1, -1); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; /* Find a station close to us */ if (st == NULL) { st = GetClosestStationFromTile(tile, 8, _current_player); if (st != NULL && st->facilities != 0) st = NULL; } //give us a road stop in the list, and check if something went wrong road_stop = AllocateRoadStop(); if (road_stop == NULL) { return_cmd_error(type ? STR_3008B_TOO_MANY_TRUCK_STOPS : STR_3008A_TOO_MANY_BUS_STOPS); } if (st != NULL && GetNumRoadStopsInStation(st, RS_BUS) + GetNumRoadStopsInStation(st, RS_TRUCK) >= ROAD_STOP_LIMIT) { return_cmd_error(type ? STR_3008B_TOO_MANY_TRUCK_STOPS : STR_3008A_TOO_MANY_BUS_STOPS); } if (st != NULL) { if (st->owner != OWNER_NONE && st->owner != _current_player) { return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); } if (!CheckStationSpreadOut(st, tile, 1, 1)) return CMD_ERROR; FindRoadStopSpot(type, st, &currstop, &prev); } else { Town *t; st = AllocateStation(); if (st == NULL) return CMD_ERROR; st->town = t = ClosestTownFromTile(tile, (uint)-1); FindRoadStopSpot(type, st, &currstop, &prev); if (IsValidPlayer(_current_player) && (flags & DC_EXEC)) { SETBIT(t->have_ratings, _current_player); } st->sign.width_1 = 0; if (!GenerateStationName(st, tile, 0)) return CMD_ERROR; if (flags & DC_EXEC) StationInitialize(st, tile); } cost += (type) ? _price.build_truck_station : _price.build_bus_station; if (flags & DC_EXEC) { //point to the correct item in the _busstops or _truckstops array *currstop = road_stop; //initialize an empty station InitializeRoadStop(road_stop, prev, tile, st->index); if (!st->facilities) st->xy = tile; st->facilities |= (type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP; st->owner = _current_player; st->build_date = _date; MakeRoadStop(tile, st->owner, st->index, type, p1); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); RebuildStationLists(); InvalidateWindow(WC_STATION_LIST, st->owner); } return cost; } // Remove a bus station static int32 RemoveRoadStop(Station *st, uint32 flags, TileIndex tile) { RoadStop **primary_stop; RoadStop *cur_stop; bool is_truck = IsTruckStop(tile); if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) { return CMD_ERROR; } if (is_truck) { // truck stop primary_stop = &st->truck_stops; cur_stop = GetRoadStopByTile(tile, RS_TRUCK); } else { primary_stop = &st->bus_stops; cur_stop = GetRoadStopByTile(tile, RS_BUS); } assert(cur_stop != NULL); if (!EnsureNoVehicle(tile)) return CMD_ERROR; if (flags & DC_EXEC) { //we only had one stop left if (cur_stop->next == NULL && cur_stop->prev == NULL) { //so we remove ALL stops *primary_stop = NULL; st->facilities &= (is_truck) ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP; } else if (cur_stop == *primary_stop) { //removed the first stop in the list //need to set the primary element to the next stop *primary_stop = (*primary_stop)->next; } DeleteRoadStop(cur_stop); DoClearSquare(tile); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return (is_truck) ? _price.remove_truck_station : _price.remove_bus_station; } // 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, 22, 22, 22, 22, 22, 22, 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, 22, 22, 22, 22, 22, 22, 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 }; /** Place an Airport. * @param tile tile where airport will be built * @param p1 airport type, @see airport.h * @param p2 unused */ int32 CmdBuildAirport(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Town *t; Station *st; int32 cost; int32 ret; int w, h; bool airport_upgrade = true; const AirportFTAClass* afc; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); /* Check if a valid, buildable airport was chosen for construction */ if (p1 > lengthof(_airport_sections) || !HASBIT(GetValidAirports(), p1)) return CMD_ERROR; if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR; t = ClosestTownFromTile(tile, (uint)-1); /* Check if local auth refuses a new airport */ { uint num = 0; FOR_ALL_STATIONS(st) { if (st->town == t && st->facilities&FACIL_AIRPORT && st->airport_type != AT_OILRIG) num++; } if (num >= 2) { SetDParam(0, t->index); return_cmd_error(STR_2035_LOCAL_AUTHORITY_REFUSES); } } afc = GetAirport(p1); w = afc->size_x; h = afc->size_y; ret = CheckFlatLandBelow(tile, w, h, flags, 0, NULL); if (CmdFailed(ret)) return ret; cost = ret; st = GetStationAround(tile, w, h, -1); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; /* Find a station close to us */ if (st == NULL) { st = GetClosestStationFromTile(tile, 8, _current_player); if (st != NULL && st->facilities) st = NULL; } if (st != NULL) { if (st->owner != OWNER_NONE && st->owner != _current_player) return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); if (!CheckStationSpreadOut(st, tile, 1, 1)) return CMD_ERROR; if (st->airport_tile != 0) return_cmd_error(STR_300D_TOO_CLOSE_TO_ANOTHER_AIRPORT); } else { airport_upgrade = false; st = AllocateStation(); if (st == NULL) return CMD_ERROR; st->town = t; if (IsValidPlayer(_current_player) && (flags & DC_EXEC)) SETBIT(t->have_ratings, _current_player); st->sign.width_1 = 0; // if airport type equals Heliport then generate // type 5 name, which is heliport, otherwise airport names (1) if (!GenerateStationName(st, tile, (p1 == AT_HELIPORT)||(p1 == AT_HELIDEPOT)||(p1 == AT_HELISTATION) ? 5 : 1)) return CMD_ERROR; if (flags & DC_EXEC) StationInitialize(st, tile); } cost += _price.build_airport * w * h; if (flags & DC_EXEC) { st->owner = _current_player; st->airport_tile = tile; if (!st->facilities) st->xy = tile; st->facilities |= FACIL_AIRPORT; st->airport_type = (byte)p1; st->airport_flags = 0; st->build_date = _date; /* 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++); } END_TILE_LOOP(tile_cur, w, h, tile) } UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); RebuildStationLists(); InvalidateWindow(WC_STATION_LIST, st->owner); } return cost; } static int32 RemoveAirport(Station *st, uint32 flags) { TileIndex tile; int w,h; int32 cost; const AirportFTAClass* afc; if (_current_player != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR; tile = st->airport_tile; afc = GetAirport(st->airport_type); w = afc->size_x; h = afc->size_y; cost = w * h * _price.remove_airport; BEGIN_TILE_LOOP(tile_cur, w, h, tile) { if (!EnsureNoVehicle(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) { uint i; for (i = 0; i < afc->nof_depots; ++i) { DeleteWindowById( WC_VEHICLE_DEPOT, tile + ToTileIndexDiff(afc->airport_depots[i]) ); } st->airport_tile = 0; st->facilities &= ~FACIL_AIRPORT; UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return cost; } /** Build a buoy. * @param tile tile where to place the bouy * @param p1 unused * @param p2 unused */ int32 CmdBuildBuoy(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Station *st; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); if (!IsClearWaterTile(tile) || tile == 0) return_cmd_error(STR_304B_SITE_UNSUITABLE); st = AllocateStation(); if (st == NULL) return CMD_ERROR; st->town = ClosestTownFromTile(tile, (uint)-1); st->sign.width_1 = 0; if (!GenerateStationName(st, tile, 4)) return CMD_ERROR; if (flags & DC_EXEC) { StationInitialize(st, tile); 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); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); RebuildStationLists(); InvalidateWindow(WC_STATION_LIST, st->owner); } return _price.build_dock; } /* Checks if any ship is servicing the buoy specified. Returns yes or no */ static bool CheckShipsOnBuoy(Station *st) { const Vehicle *v; FOR_ALL_VEHICLES(v) { if (v->type == VEH_Ship) { const Order *order; FOR_VEHICLE_ORDERS(v, order) { if (order->type == OT_GOTO_STATION && order->dest == st->index) { return true; } } } } return false; } static int32 RemoveBuoy(Station *st, uint32 flags) { TileIndex tile; /* XXX: strange stuff */ if (!IsValidPlayer(_current_player)) return_cmd_error(INVALID_STRING_ID); tile = st->dock_tile; if (CheckShipsOnBuoy(st)) return_cmd_error(STR_BUOY_IS_IN_USE); if (!EnsureNoVehicle(tile)) return CMD_ERROR; if (flags & DC_EXEC) { st->dock_tile = 0; /* 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; MakeWater(tile); MarkTileDirtyByTile(tile); UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return _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 p1 unused * @param p2 unused */ int32 CmdBuildDock(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { TileIndex tile_cur; DiagDirection direction; int32 cost; Station *st; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); switch (GetTileSlope(tile, NULL)) { case SLOPE_SW: direction = DIAGDIR_NE; break; case SLOPE_SE: direction = DIAGDIR_NW; break; case SLOPE_NW: direction = DIAGDIR_SE; break; case SLOPE_NE: direction = DIAGDIR_SW; break; default: return_cmd_error(STR_304B_SITE_UNSUITABLE); } if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR; if (!EnsureNoVehicle(tile)) return CMD_ERROR; cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(cost)) return CMD_ERROR; tile_cur = tile + TileOffsByDiagDir(direction); if (!EnsureNoVehicle(tile_cur)) return CMD_ERROR; if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) { return_cmd_error(STR_304B_SITE_UNSUITABLE); } cost = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(cost)) 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 */ st = GetStationAround( tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]), _dock_w_chk[direction], _dock_h_chk[direction], -1); if (st == CHECK_STATIONS_ERR) return CMD_ERROR; /* Find a station close to us */ if (st == NULL) { st = GetClosestStationFromTile(tile, 8, _current_player); if (st!=NULL && st->facilities) st = NULL; } if (st != NULL) { if (st->owner != OWNER_NONE && st->owner != _current_player) return_cmd_error(STR_3009_TOO_CLOSE_TO_ANOTHER_STATION); if (!CheckStationSpreadOut(st, tile, 1, 1)) return CMD_ERROR; if (st->dock_tile != 0) return_cmd_error(STR_304C_TOO_CLOSE_TO_ANOTHER_DOCK); } else { Town *t; st = AllocateStation(); if (st == NULL) return CMD_ERROR; st->town = t = ClosestTownFromTile(tile, (uint)-1); if (IsValidPlayer(_current_player) && (flags & DC_EXEC)) SETBIT(t->have_ratings, _current_player); st->sign.width_1 = 0; if (!GenerateStationName(st, tile, 3)) return CMD_ERROR; if (flags & DC_EXEC) StationInitialize(st, tile); } if (flags & DC_EXEC) { st->dock_tile = tile; if (!st->facilities) st->xy = tile; st->facilities |= FACIL_DOCK; st->owner = _current_player; st->build_date = _date; MakeDock(tile, st->owner, st->index, direction); UpdateStationVirtCoordDirty(st); UpdateStationAcceptance(st, false); RebuildStationLists(); InvalidateWindow(WC_STATION_LIST, st->owner); } return _price.build_dock; } static int32 RemoveDock(Station *st, uint32 flags) { TileIndex tile1; TileIndex tile2; if (!CheckOwnership(st->owner)) return CMD_ERROR; tile1 = st->dock_tile; tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1)); if (!EnsureNoVehicle(tile1)) return CMD_ERROR; if (!EnsureNoVehicle(tile2)) return CMD_ERROR; if (flags & DC_EXEC) { DoClearSquare(tile1); MakeWater(tile2); MarkTileDirtyByTile(tile2); st->dock_tile = 0; st->facilities &= ~FACIL_DOCK; UpdateStationVirtCoordDirty(st); DeleteStationIfEmpty(st); } return _price.remove_dock; } #include "table/station_land.h" const DrawTileSprites *GetStationTileLayout(byte gfx) { return &_station_display_datas[gfx]; } static void DrawTile_Station(TileInfo *ti) { uint32 image; const DrawTileSeqStruct *dtss; const DrawTileSprites *t = NULL; RailType railtype = GetRailType(ti->tile); const RailtypeInfo *rti = GetRailTypeInfo(railtype); uint32 relocation = 0; const Station *st = NULL; const StationSpec *statspec = NULL; PlayerID owner = GetTileOwner(ti->tile); uint32 palette; if (IsValidPlayer(owner)) { palette = PLAYER_SPRITE_COLOR(owner); } else { // Some stations are not owner by a player, namely oil rigs palette = PALETTE_TO_GREY; } // don't show foundation for docks if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) DrawFoundation(ti, ti->tileh); if (IsCustomStationSpecIndex(ti->tile)) { // look for customization st = GetStationByTile(ti->tile); statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec; //debug("Cust-o-mized %p", statspec); if (statspec != NULL) { uint tile = GetStationGfx(ti->tile); relocation = GetCustomStationRelocation(statspec, st, ti->tile); if (HASBIT(statspec->callbackmask, CBM_CUSTOM_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 : GetRailStationAxis(ti->tile)]; } } } if (t == NULL || t->seq == NULL) t = &_station_display_datas[GetStationGfx(ti->tile)]; image = t->ground_sprite; if (HASBIT(image, 31)) { CLRBIT(image, 31); image += GetCustomStationGroundRelocation(statspec, st, ti->tile); image += rti->custom_ground_offset; } else { image += rti->total_offset; } if (image & PALETTE_MODIFIER_COLOR) image |= palette; // station_land array has been increased from 82 elements to 114 // but this is something else. If AI builds station with 114 it looks all weird DrawGroundSprite(image); if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC && IsStationTileElectrifiable(ti->tile)) DrawCatenary(ti); foreach_draw_tile_seq(dtss, t->seq) { image = dtss->image; if (HASBIT(image, 30)) { CLRBIT(image, 30); image += rti->total_offset; } else { image += relocation; } if (_display_opt & DO_TRANS_BUILDINGS) { MAKE_TRANSPARENT(image); } else if (image & PALETTE_MODIFIER_COLOR) { image |= palette; } if ((byte)dtss->delta_z != 0x80) { AddSortableSpriteToDraw( image, ti->x + dtss->delta_x, ti->y + dtss->delta_y, dtss->size_x, dtss->size_y, dtss->size_z, ti->z + dtss->delta_z ); } else { AddChildSpriteScreen(image, dtss->delta_x, dtss->delta_y); } } } void StationPickerDrawSprite(int x, int y, RailType railtype, int image) { uint32 ormod, img; const DrawTileSeqStruct *dtss; const DrawTileSprites *t; const RailtypeInfo *rti = GetRailTypeInfo(railtype); ormod = PLAYER_SPRITE_COLOR(_local_player); t = &_station_display_datas[image]; img = t->ground_sprite; if (img & PALETTE_MODIFIER_COLOR) img |= ormod; DrawSprite(img + rti->total_offset, x, y); foreach_draw_tile_seq(dtss, t->seq) { Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z); DrawSprite((dtss->image | ormod) + rti->total_offset, x + pt.x, y + pt.y); } } static uint GetSlopeZ_Station(TileIndex tile, uint x, uint y) { return GetTileMaxZ(tile); } static Slope GetSlopeTileh_Station(TileIndex tile, Slope tileh) { return SLOPE_FLAT; } static void GetAcceptedCargo_Station(TileIndex tile, AcceptedCargo ac) { /* not used */ } static void GetTileDesc_Station(TileIndex tile, TileDesc *td) { StringID str; td->owner = GetTileOwner(tile); td->build_date = GetStationByTile(tile)->build_date; 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 uint32 GetTileTrackStatus_Station(TileIndex tile, TransportType mode) { switch (mode) { case TRANSPORT_RAIL: if (IsRailwayStation(tile) && !IsStationTileBlocked(tile)) { return TrackToTrackBits(GetRailStationTrack(tile)) * 0x101; } break; case TRANSPORT_WATER: // buoy is coded as a station, it is always on open water if (IsBuoy_(tile)) return TRACK_BIT_ALL * 0x101; break; case TRANSPORT_ROAD: if (IsRoadStopTile(tile)) { return AxisToTrackBits(DiagDirToAxis(GetRoadStopDir(tile))) * 0x101; } break; default: break; } return 0; } static void TileLoop_Station(TileIndex tile) { // FIXME -- GetTileTrackStatus_Station -> animated stationtiles // hardcoded.....not good 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; case GFX_OILRIG_BASE: //(station part) case GFX_BUOY_BASE: TileLoop_Water(tile); break; default: break; } } static void AnimateTile_Station(TileIndex tile) { typedef struct AnimData { StationGfx from; // first sprite StationGfx to; // last sprite byte delay; } AnimData; 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 } }; StationGfx gfx = GetStationGfx(tile); const AnimData* i; for (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 void ClickTile_Station(TileIndex tile) { if (IsHangar(tile)) { ShowDepotWindow(tile, VEH_Aircraft); } else { ShowStationViewWindow(GetStationIndex(tile)); } } static const byte _enter_station_speedtable[12] = { 215, 195, 175, 155, 135, 115, 95, 75, 55, 35, 15, 0 }; static uint32 VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y) { if (v->type == VEH_Train) { if (IsRailwayStation(tile) && IsFrontEngine(v) && !IsCompatibleTrainStationTile(tile + TileOffsByDiagDir(DirToDiagDir(v->direction)), tile)) { StationID station_id = GetStationIndex(tile); if ((!(v->current_order.flags & OF_NON_STOP) && !_patches.new_nonstop) || (v->current_order.type == OT_GOTO_STATION && v->current_order.dest == station_id)) { if (!(_patches.new_nonstop && v->current_order.flags & OF_NON_STOP) && v->current_order.type != OT_LEAVESTATION && v->last_station_visited != station_id) { DiagDirection dir = DirToDiagDir(v->direction); x &= 0xF; y &= 0xF; if (DiagDirToAxis(dir) != AXIS_X) intswap(x, y); if (y == TILE_SIZE / 2) { if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x; if (x == 12) return 2 | (station_id << 8); /* enter station */ if (x < 12) { uint16 spd; v->vehstatus |= VS_TRAIN_SLOWING; spd = _enter_station_speedtable[x]; if (spd < v->cur_speed) v->cur_speed = spd; } } } } } } else if (v->type == VEH_Road) { if (v->u.road.state < 16 && !HASBIT(v->u.road.state, 2) && v->u.road.frame == 0) { if (IsRoadStop(tile)) { /* Attempt to allocate a parking bay in a road stop */ RoadStop *rs = GetRoadStopByTile(tile, GetRoadStopType(tile)); /* rs->status bits 0 and 1 describe current the two parking spots. * 0 means occupied, 1 means free. */ // Check if station is busy or if there are no free bays. if (HASBIT(rs->status, 7) || GB(rs->status, 0, 2) == 0) return 8; v->u.road.state += 32; // if the first bay is free, allocate that, else the second bay must be free. if (HASBIT(rs->status, 0)) { CLRBIT(rs->status, 0); } else { CLRBIT(rs->status, 1); v->u.road.state += 2; } // mark the station as busy SETBIT(rs->status, 7); } } } return 0; } /** * Cleanup a RoadStop. Make sure no vehicles try to go to this roadstop. */ void DestroyRoadStop(RoadStop* rs) { Vehicle *v; /* Clear the slot assignment of all vehicles heading for this road stop */ if (rs->num_vehicles != 0) { FOR_ALL_VEHICLES(v) { if (v->type == VEH_Road && v->u.road.slot == rs) { ClearSlot(v); } } } assert(rs->num_vehicles == 0); if (rs->prev != NULL) rs->prev->next = rs->next; if (rs->next != NULL) rs->next->prev = rs->prev; } /** * Clean up a station by clearing vehicle orders and invalidating windows. * Aircraft-Hangar orders need special treatment here, as the hangars are * actually part of a station (tiletype is STATION), but the order type * is OT_GOTO_DEPOT. * @param st Station to be deleted */ void DestroyStation(Station *st) { StationID index; index = st->index; DeleteName(st->string_id); MarkStationDirty(st); RebuildStationLists(); InvalidateWindowClasses(WC_STATION_LIST); DeleteWindowById(WC_STATION_VIEW, index); /* Now delete all orders that go to the station */ RemoveOrderFromAllVehicles(OT_GOTO_STATION, index); //Subsidies need removal as well DeleteSubsidyWithStation(index); free(st->speclist); } void DeleteAllPlayerStations(void) { Station *st; FOR_ALL_STATIONS(st) { if (IsValidPlayer(st->owner)) DeleteStation(st); } } /* 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) DeleteStation(st); } static inline void byte_inc_sat(byte *p) { byte b = *p + 1; if (b != 0) *p = b; } static void UpdateStationRating(Station *st) { GoodsEntry *ge; int rating; StationID index; int waiting; bool waiting_changed = false; byte_inc_sat(&st->time_since_load); byte_inc_sat(&st->time_since_unload); ge = st->goods; do { if (ge->enroute_from != INVALID_STATION) { byte_inc_sat(&ge->enroute_time); byte_inc_sat(&ge->days_since_pickup); rating = 0; { int b = ge->last_speed; if ((b-=85) >= 0) rating += b >> 2; } { byte age = ge->last_age; (age >= 3) || (rating += 10, age >= 2) || (rating += 10, age >= 1) || (rating += 13, true); } if (IsValidPlayer(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); } { waiting = GB(ge->waiting_acceptance, 0, 12); (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 ( (uint)rating <= (r & 0x7F) ) { waiting = max(waiting - ((r >> 8)&3) - 1, 0); waiting_changed = true; } } if (waiting_changed) SB(ge->waiting_acceptance, 0, 12, waiting); } } } while (++ge != endof(st->goods)); index = st->index; if (waiting_changed) { InvalidateWindow(WC_STATION_VIEW, index); } else { InvalidateWindowWidget(WC_STATION_VIEW, index, 5); } } /* called for every station each tick */ static void StationHandleSmallTick(Station *st) { byte b; if (st->facilities == 0) return; b = st->delete_ctr + 1; if (b >= 185) b = 0; st->delete_ctr = b; if (b == 0) UpdateStationRating(st); } void OnTick_Station(void) { uint i; Station *st; if (_game_mode == GM_EDITOR) return; i = _station_tick_ctr; if (++_station_tick_ctr == GetStationArraySize()) _station_tick_ctr = 0; if (IsValidStationID(i)) StationHandleBigTick(GetStation(i)); FOR_ALL_STATIONS(st) { StationHandleSmallTick(st); } } void StationMonthlyLoop(void) { } void ModifyStationRatingAround(TileIndex tile, PlayerID owner, int amount, uint radius) { Station *st; FOR_ALL_STATIONS(st) { if (st->owner == owner && DistanceManhattan(tile, st->xy) <= radius) { uint i; for (i = 0; i != NUM_CARGO; i++) { GoodsEntry* ge = &st->goods[i]; if (ge->enroute_from != INVALID_STATION) { ge->rating = clamp(ge->rating + amount, 0, 255); } } } } } static void UpdateStationWaiting(Station *st, int type, uint amount) { SB(st->goods[type].waiting_acceptance, 0, 12, min(0xFFF, GB(st->goods[type].waiting_acceptance, 0, 12) + amount) ); st->goods[type].enroute_time = 0; st->goods[type].enroute_from = st->index; InvalidateWindow(WC_STATION_VIEW, st->index); } /** Rename a station * @param tile unused * @param p1 station ID that is to be renamed * @param p2 unused */ int32 CmdRenameStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { StringID str; Station *st; if (!IsValidStationID(p1) || _cmd_text[0] == '\0') return CMD_ERROR; st = GetStation(p1); if (!CheckOwnership(st->owner)) return CMD_ERROR; str = AllocateNameUnique(_cmd_text, 6); if (str == 0) return CMD_ERROR; if (flags & DC_EXEC) { StringID old_str = st->string_id; st->string_id = str; UpdateStationVirtCoord(st); DeleteName(old_str); ResortStationLists(); MarkWholeScreenDirty(); } else { DeleteName(str); } return 0; } uint MoveGoodsToStation(TileIndex tile, int w, int h, int type, uint amount) { Station* around[8]; uint i; uint moved; uint best_rating, best_rating2; Station *st1, *st2; uint t; int rad = 0; int w_prod; //width and height of the "producer" of the cargo int h_prod; int max_rad; for (i = 0; i < lengthof(around); i++) around[i] = NULL; if (_patches.modified_catchment) { w_prod = w; h_prod = h; w += 16; h += 16; max_rad = 8; } else { w_prod = 0; h_prod = 0; w += 8; h += 8; max_rad = 4; } BEGIN_TILE_LOOP(cur_tile, w, h, tile - TileDiffXY(max_rad, max_rad)) Station* st; cur_tile = TILE_MASK(cur_tile); if (!IsTileType(cur_tile, MP_STATION)) continue; st = GetStationByTile(cur_tile); for (i = 0; i != lengthof(around); i++) { if (around[i] == NULL) { if (!IsBuoy(st) && (st->town->exclusive_counter == 0 || st->town->exclusivity == st->owner) && // check exclusive transport rights st->goods[type].rating != 0 && (!_patches.selectgoods || st->goods[type].last_speed > 0) && // if last_speed is 0, no vehicle has been there. ((st->facilities & ~FACIL_BUS_STOP) != 0 || type == CT_PASSENGERS) && // if we have other fac. than a bus stop, or the cargo is passengers ((st->facilities & ~FACIL_TRUCK_STOP) != 0 || type != CT_PASSENGERS)) { // if we have other fac. than a cargo bay or the cargo is not passengers int x_dist; int y_dist; if (_patches.modified_catchment) { // min and max coordinates of the producer relative const int x_min_prod = 9; const int x_max_prod = 8 + w_prod; const int y_min_prod = 9; const int y_max_prod = 8 + h_prod; rad = FindCatchmentRadius(st); 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; } 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; } } else { x_dist = 0; y_dist = 0; } if (x_dist <= rad && y_dist <= rad) around[i] = st; } break; } else if (around[i] == st) { break; } } END_TILE_LOOP(cur_tile, w, h, tile - TileDiffXY(max_rad, max_rad)) /* no stations around at all? */ if (around[0] == NULL) return 0; if (around[1] == NULL) { /* only one station around */ moved = (amount * around[0]->goods[type].rating >> 8) + 1; UpdateStationWaiting(around[0], type, moved); return moved; } /* several stations around, find the two with the highest rating */ st2 = st1 = NULL; best_rating = best_rating2 = 0; for (i = 0; i != lengthof(around) && around[i] != NULL; i++) { if (around[i]->goods[type].rating >= best_rating) { best_rating2 = best_rating; st2 = st1; best_rating = around[i]->goods[type].rating; st1 = around[i]; } else if (around[i]->goods[type].rating >= best_rating2) { best_rating2 = around[i]->goods[type].rating; st2 = around[i]; } } assert(st1 != NULL); assert(st2 != NULL); assert(best_rating != 0 || best_rating2 != 0); /* the 2nd highest one gets a penalty */ best_rating2 >>= 1; /* amount given to station 1 */ t = (best_rating * (amount + 1)) / (best_rating + best_rating2); moved = 0; if (t != 0) { moved = t * best_rating / 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) { uint j; Station *st = AllocateStation(); if (st == NULL) { DEBUG(misc, 0) ("Couldn't allocate station for oilrig at 0x%X, reverting to oilrig only...", tile); return; } if (!GenerateStationName(st, tile, 2)) { DEBUG(misc, 0) ("Couldn't allocate station-name for oilrig at 0x%X, reverting to oilrig only...", tile); return; } st->town = ClosestTownFromTile(tile, (uint)-1); st->sign.width_1 = 0; MakeOilrig(tile, st->index); 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 = 0; 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; for (j = 0; j != NUM_CARGO; j++) { st->goods[j].waiting_acceptance = 0; st->goods[j].days_since_pickup = 0; st->goods[j].enroute_from = INVALID_STATION; st->goods[j].rating = 175; 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); DoClearSquare(tile); st->dock_tile = 0; st->airport_tile = 0; st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK); st->airport_flags = 0; UpdateStationVirtCoordDirty(st); DeleteStation(st); } static void ChangeTileOwner_Station(TileIndex tile, PlayerID old_player, PlayerID new_player) { if (!IsTileOwner(tile, old_player)) return; if (new_player != PLAYER_SPECTATOR) { Station* st = GetStationByTile(tile); SetTileOwner(tile, new_player); st->owner = new_player; RebuildStationLists(); InvalidateWindowClasses(WC_STATION_LIST); } else { DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); } } static int32 ClearTile_Station(TileIndex tile, byte flags) { Station *st; 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(STR_3047_MUST_DEMOLISH_TRUCK_STATION); case STATION_BUS: return_cmd_error(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); } } st = GetStationByTile(tile); switch (GetStationType(tile)) { case STATION_RAIL: return RemoveRailroadStation(st, tile, flags); case STATION_AIRPORT: return RemoveAirport(st, flags); case STATION_TRUCK: case STATION_BUS: 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(void) { /* Clean the station pool and create 1 block in it */ CleanPool(&_Station_pool); AddBlockToPool(&_Station_pool); /* Clean the roadstop pool and create 1 block in it */ CleanPool(&_RoadStop_pool); AddBlockToPool(&_RoadStop_pool); _station_tick_ctr = 0; } void AfterLoadStations(void) { Station *st; uint i; /* Update the speclists of all stations to point to the currently loaded custom stations. */ FOR_ALL_STATIONS(st) { for (i = 0; i < st->num_specs; i++) { if (st->speclist[i].grfid == 0) continue; st->speclist[i].spec = GetCustomStationSpecByGrf(st->speclist[i].grfid, st->speclist[i].localidx); } } } 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 */ GetSlopeTileh_Station, /* get_slope_tileh_proc */ }; static const SaveLoad _roadstop_desc[] = { SLE_VAR(RoadStop,xy, SLE_UINT32), SLE_VAR(RoadStop,used, SLE_BOOL), SLE_VAR(RoadStop,status, SLE_UINT8), /* Index was saved in some versions, but this is not needed */ SLE_CONDNULL(4, 0, 8), SLE_VAR(RoadStop,station, SLE_UINT16), SLE_CONDNULL(1, 0, 25), SLE_REF(RoadStop,next, REF_ROADSTOPS), SLE_REF(RoadStop,prev, REF_ROADSTOPS), SLE_CONDNULL(4, 0, 24), SLE_CONDNULL(1, 25, 25), SLE_END() }; static const SaveLoad _station_desc[] = { SLE_CONDVAR(Station, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5), SLE_CONDVAR(Station, xy, SLE_UINT32, 6, SL_MAX_VERSION), SLE_CONDVAR(Station, bus_tile_obsolete, SLE_FILE_U16 | SLE_VAR_U32, 0, 5), SLE_CONDVAR(Station, lorry_tile_obsolete, SLE_FILE_U16 | SLE_VAR_U32, 0, 5), SLE_CONDVAR(Station, train_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5), SLE_CONDVAR(Station, train_tile, SLE_UINT32, 6, SL_MAX_VERSION), SLE_CONDVAR(Station, airport_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5), SLE_CONDVAR(Station, airport_tile, SLE_UINT32, 6, SL_MAX_VERSION), SLE_CONDVAR(Station, dock_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5), SLE_CONDVAR(Station, dock_tile, SLE_UINT32, 6, SL_MAX_VERSION), SLE_REF(Station, town, REF_TOWN), SLE_VAR(Station, trainst_w, SLE_UINT8), SLE_CONDVAR(Station, trainst_h, SLE_UINT8, 2, SL_MAX_VERSION), // alpha_order was stored here in savegame format 0 - 3 SLE_CONDNULL(1, 0, 3), SLE_VAR(Station, string_id, SLE_STRINGID), SLE_VAR(Station, had_vehicle_of_type, SLE_UINT16), SLE_VAR(Station, time_since_load, SLE_UINT8), SLE_VAR(Station, time_since_unload, SLE_UINT8), SLE_VAR(Station, delete_ctr, SLE_UINT8), SLE_VAR(Station, owner, SLE_UINT8), SLE_VAR(Station, facilities, SLE_UINT8), SLE_VAR(Station, airport_type, SLE_UINT8), // truck/bus_stop_status was stored here in savegame format 0 - 6 SLE_CONDVAR(Station, truck_stop_status_obsolete, SLE_UINT8, 0, 5), SLE_CONDVAR(Station, bus_stop_status_obsolete, SLE_UINT8, 0, 5), // blocked_months was stored here in savegame format 0 - 4.0 SLE_CONDVAR(Station, blocked_months_obsolete, SLE_UINT8, 0, 4), SLE_CONDVAR(Station, airport_flags, SLE_VAR_U32 | SLE_FILE_U16, 0, 2), SLE_CONDVAR(Station, airport_flags, SLE_UINT32, 3, SL_MAX_VERSION), SLE_CONDNULL(2, 0, 25), /* Ex last-vehicle */ SLE_CONDVAR(Station, last_vehicle_type, SLE_UINT8, 26, SL_MAX_VERSION), // Was custom station class and id SLE_CONDNULL(2, 3, 25), SLE_CONDVAR(Station, build_date, SLE_FILE_U16 | SLE_VAR_I32, 3, 30), SLE_CONDVAR(Station, build_date, SLE_INT32, 31, SL_MAX_VERSION), SLE_CONDREF(Station, bus_stops, REF_ROADSTOPS, 6, SL_MAX_VERSION), SLE_CONDREF(Station, truck_stops, REF_ROADSTOPS, 6, SL_MAX_VERSION), /* Used by newstations for graphic variations */ SLE_CONDVAR(Station, random_bits, SLE_UINT16, 27, SL_MAX_VERSION), SLE_CONDVAR(Station, waiting_triggers, SLE_UINT8, 27, SL_MAX_VERSION), SLE_CONDVAR(Station, num_specs, SLE_UINT8, 27, SL_MAX_VERSION), // reserve extra space in savegame here. (currently 32 bytes) SLE_CONDNULL(32, 2, SL_MAX_VERSION), SLE_END() }; static const SaveLoad _goods_desc[] = { SLE_VAR(GoodsEntry, waiting_acceptance, SLE_UINT16), SLE_VAR(GoodsEntry, days_since_pickup, SLE_UINT8), SLE_VAR(GoodsEntry, rating, SLE_UINT8), SLE_CONDVAR(GoodsEntry, enroute_from, SLE_FILE_U8 | SLE_VAR_U16, 0, 6), SLE_CONDVAR(GoodsEntry, enroute_from, SLE_UINT16, 7, SL_MAX_VERSION), SLE_VAR(GoodsEntry, enroute_time, SLE_UINT8), SLE_VAR(GoodsEntry, last_speed, SLE_UINT8), SLE_VAR(GoodsEntry, last_age, SLE_UINT8), SLE_CONDVAR(GoodsEntry, feeder_profit, SLE_INT32, 14, SL_MAX_VERSION), SLE_END() }; static const SaveLoad _station_speclist_desc[] = { SLE_CONDVAR(StationSpecList, grfid, SLE_UINT32, 27, SL_MAX_VERSION), SLE_CONDVAR(StationSpecList, localidx, SLE_UINT8, 27, SL_MAX_VERSION), SLE_END() }; static void SaveLoad_STNS(Station *st) { uint i; SlObject(st, _station_desc); for (i = 0; i != NUM_CARGO; i++) { SlObject(&st->goods[i], _goods_desc); /* In older versions, enroute_from had 0xFF as INVALID_STATION, is now 0xFFFF */ if (CheckSavegameVersion(7) && st->goods[i].enroute_from == 0xFF) { st->goods[i].enroute_from = INVALID_STATION; } } if (st->num_specs != 0) { /* Allocate speclist memory when loading a game */ if (st->speclist == NULL) st->speclist = calloc(st->num_specs, sizeof(*st->speclist)); for (i = 0; i < st->num_specs; i++) SlObject(&st->speclist[i], _station_speclist_desc); } } static void Save_STNS(void) { Station *st; // Write the stations FOR_ALL_STATIONS(st) { SlSetArrayIndex(st->index); SlAutolength((AutolengthProc*)SaveLoad_STNS, st); } } static void Load_STNS(void) { int index; while ((index = SlIterateArray()) != -1) { Station *st; if (!AddBlockIfNeeded(&_Station_pool, index)) error("Stations: failed loading savegame: too many stations"); st = GetStation(index); SaveLoad_STNS(st); // this means it's an oldstyle savegame without support for nonuniform stations if (st->train_tile != 0 && st->trainst_h == 0) { uint w = GB(st->trainst_w, 4, 4); uint h = GB(st->trainst_w, 0, 4); if (GetRailStationAxis(st->train_tile) == AXIS_Y) uintswap(w, h); st->trainst_w = w; st->trainst_h = h; } /* In older versions, we had just 1 tile for a bus/lorry, now we have more.. * convert, if needed */ if (CheckSavegameVersion(6)) { if (st->bus_tile_obsolete != 0) { st->bus_stops = AllocateRoadStop(); if (st->bus_stops == NULL) error("Station: too many busstations in savegame"); InitializeRoadStop(st->bus_stops, NULL, st->bus_tile_obsolete, st->index); } if (st->lorry_tile_obsolete != 0) { st->truck_stops = AllocateRoadStop(); if (st->truck_stops == NULL) error("Station: too many truckstations in savegame"); InitializeRoadStop(st->truck_stops, NULL, st->lorry_tile_obsolete, st->index); } } } /* This is to ensure all pointers are within the limits of _stations_size */ if (_station_tick_ctr > GetStationArraySize()) _station_tick_ctr = 0; } static void Save_ROADSTOP(void) { RoadStop *rs; FOR_ALL_ROADSTOPS(rs) { SlSetArrayIndex(rs->index); SlObject(rs, _roadstop_desc); } } static void Load_ROADSTOP(void) { int index; Vehicle *v; while ((index = SlIterateArray()) != -1) { RoadStop *rs; if (!AddBlockIfNeeded(&_RoadStop_pool, index)) error("RoadStops: failed loading savegame: too many RoadStops"); rs = GetRoadStop(index); SlObject(rs, _roadstop_desc); } FOR_ALL_VEHICLES(v) { if (v->type == VEH_Road && v->u.road.slot != NULL) v->u.road.slot->num_vehicles++; } } const ChunkHandler _station_chunk_handlers[] = { { 'STNS', Save_STNS, Load_STNS, CH_ARRAY }, { 'ROAD', Save_ROADSTOP, Load_ROADSTOP, CH_ARRAY | CH_LAST}, };