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00012 #include "stdafx.h"
00013
00014 #include "command_func.h"
00015 #include "landscape.h"
00016 #include "bridge_map.h"
00017 #include "town.h"
00018 #include "waypoint_base.h"
00019 #include "pathfinder/yapf/yapf_cache.h"
00020 #include "strings_func.h"
00021 #include "functions.h"
00022 #include "window_func.h"
00023 #include "date_func.h"
00024 #include "vehicle_func.h"
00025 #include "string_func.h"
00026 #include "company_func.h"
00027 #include "newgrf_station.h"
00028 #include "company_base.h"
00029 #include "water.h"
00030
00031 #include "table/strings.h"
00032
00036 void Waypoint::UpdateVirtCoord()
00037 {
00038 Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
00039 SetDParam(0, this->index);
00040 this->sign.UpdatePosition(pt.x, pt.y - 0x20, STR_VIEWPORT_WAYPOINT);
00041
00042 InvalidateWindowData(WC_WAYPOINT_VIEW, this->index);
00043 }
00044
00049 static void MakeDefaultWaypointName(Waypoint *wp)
00050 {
00051 uint32 used = 0;
00052 uint32 next = 0;
00053 StationID idx = 0;
00054
00055 wp->town = ClosestTownFromTile(wp->xy, UINT_MAX);
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066
00067 StationID cid = 0;
00068 do {
00069 Waypoint *lwp = Waypoint::GetIfValid(cid);
00070
00071
00072 if (lwp != NULL && wp != lwp) {
00073
00074 if (lwp->name == NULL && lwp->town == wp->town && lwp->string_id == wp->string_id) {
00075
00076 uint i = (uint)lwp->town_cn - next;
00077
00078 if (i < 32) {
00079 SetBit(used, i);
00080 if (i == 0) {
00081
00082
00083 do {
00084 used >>= 1;
00085 next++;
00086 } while (HasBit(used, 0));
00087
00088
00089
00090 idx = cid;
00091 }
00092 }
00093 }
00094 }
00095
00096 cid++;
00097 if (cid == Waypoint::GetPoolSize()) cid = 0;
00098 } while (cid != idx);
00099
00100 wp->town_cn = (uint16)next;
00101 wp->name = NULL;
00102 }
00103
00111 static Waypoint *FindDeletedWaypointCloseTo(TileIndex tile, StringID str, CompanyID cid)
00112 {
00113 Waypoint *wp, *best = NULL;
00114 uint thres = 8;
00115
00116 FOR_ALL_WAYPOINTS(wp) {
00117 if (!wp->IsInUse() && wp->string_id == str && wp->owner == cid) {
00118 uint cur_dist = DistanceManhattan(tile, wp->xy);
00119
00120 if (cur_dist < thres) {
00121 thres = cur_dist;
00122 best = wp;
00123 }
00124 }
00125 }
00126
00127 return best;
00128 }
00129
00137 Axis GetAxisForNewWaypoint(TileIndex tile)
00138 {
00139
00140 if (IsRailWaypointTile(tile)) return GetRailStationAxis(tile);
00141
00142
00143 if (!IsTileType(tile, MP_RAILWAY) || GetRailTileType(tile) != RAIL_TILE_NORMAL) return INVALID_AXIS;
00144
00145 switch (GetTrackBits(tile)) {
00146 case TRACK_BIT_X: return AXIS_X;
00147 case TRACK_BIT_Y: return AXIS_Y;
00148 default: return INVALID_AXIS;
00149 }
00150 }
00151
00152 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
00153
00160 static CommandCost IsValidTileForWaypoint(TileIndex tile, Axis axis, StationID *waypoint)
00161 {
00162
00163
00164
00165 if (waypoint != NULL && IsTileType(tile, MP_STATION)) {
00166 if (!IsRailWaypoint(tile)) {
00167 return ClearTile_Station(tile, DC_AUTO);
00168 } else {
00169 StationID wp = GetStationIndex(tile);
00170 if (*waypoint == INVALID_STATION) {
00171 *waypoint = wp;
00172 } else if (*waypoint != wp) {
00173 return_cmd_error(STR_ERROR_WAYPOINT_ADJOINS_MORE_THAN_ONE_EXISTING);
00174 }
00175 }
00176 }
00177
00178 if (GetAxisForNewWaypoint(tile) != axis) return_cmd_error(STR_ERROR_NO_SUITABLE_RAILROAD_TRACK);
00179
00180 Owner owner = GetTileOwner(tile);
00181 if (!CheckOwnership(owner)) return CMD_ERROR;
00182 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00183
00184 Slope tileh = GetTileSlope(tile, NULL);
00185 if (tileh != SLOPE_FLAT &&
00186 (!_settings_game.construction.build_on_slopes || IsSteepSlope(tileh) || !(tileh & (0x3 << axis)) || !(tileh & ~(0x3 << axis)))) {
00187 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00188 }
00189
00190 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00191
00192 return CommandCost();
00193 }
00194
00195 extern void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec);
00196 extern CommandCost FindJoiningWaypoint(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, Waypoint **wp);
00197 extern bool CanExpandRailStation(const BaseStation *st, TileArea &new_ta, Axis axis);
00198
00214 CommandCost CmdBuildRailWaypoint(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00215 {
00216
00217 Axis axis = (Axis)GB(p1, 4, 1);
00218 byte width = GB(p1, 8, 8);
00219 byte height = GB(p1, 16, 8);
00220 bool adjacent = HasBit(p1, 24);
00221
00222 StationClassID spec_class = (StationClassID)GB(p2, 0, 8);
00223 byte spec_index = GB(p2, 8, 8);
00224 StationID station_to_join = GB(p2, 16, 16);
00225
00226
00227 if (spec_class != STAT_CLASS_WAYP) return CMD_ERROR;
00228 if (spec_index >= GetNumCustomStations(spec_class)) return CMD_ERROR;
00229
00230
00231 byte count = axis == AXIS_X ? height : width;
00232
00233 if ((axis == AXIS_X ? width : height) != 1) return CMD_ERROR;
00234 if (count == 0 || count > _settings_game.station.station_spread) return CMD_ERROR;
00235
00236 bool reuse = (station_to_join != NEW_STATION);
00237 if (!reuse) station_to_join = INVALID_STATION;
00238 bool distant_join = (station_to_join != INVALID_STATION);
00239
00240 if (distant_join && (!_settings_game.station.distant_join_stations || !Waypoint::IsValidID(station_to_join))) return CMD_ERROR;
00241
00242
00243 StationID est = INVALID_STATION;
00244
00245
00246 TileIndexDiff offset = TileOffsByDiagDir(AxisToDiagDir(OtherAxis(axis)));
00247 for (int i = 0; i < count; i++) {
00248 TileIndex tile = start_tile + i * offset;
00249 CommandCost ret = IsValidTileForWaypoint(tile, axis, _settings_game.station.nonuniform_stations ? &est : NULL);
00250 if (ret.Failed()) return ret;
00251 }
00252
00253 Waypoint *wp = NULL;
00254 TileArea new_location(TileArea(start_tile, width, height));
00255 CommandCost ret = FindJoiningWaypoint(est, station_to_join, adjacent, new_location, &wp);
00256 if (ret.Failed()) return ret;
00257
00258
00259 TileIndex center_tile = start_tile + (count / 2) * offset;
00260 if (wp == NULL && reuse) wp = FindDeletedWaypointCloseTo(center_tile, STR_SV_STNAME_WAYPOINT, _current_company);
00261
00262 if (wp != NULL) {
00263
00264 if (wp->owner != _current_company) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_WAYPOINT);
00265
00266
00267 if (wp->train_station.tile != INVALID_TILE && !CanExpandRailStation(wp, new_location, axis)) return CMD_ERROR;
00268
00269 if (!wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TEST)) return CMD_ERROR;
00270 } else {
00271
00272 if (!Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
00273 }
00274
00275 if (flags & DC_EXEC) {
00276 if (wp == NULL) {
00277 wp = new Waypoint(start_tile);
00278 } else if (!wp->IsInUse()) {
00279
00280 wp->xy = start_tile;
00281 }
00282 wp->owner = GetTileOwner(start_tile);
00283
00284 wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TRY);
00285
00286 wp->delete_ctr = 0;
00287 wp->facilities |= FACIL_TRAIN;
00288 wp->build_date = _date;
00289 wp->string_id = STR_SV_STNAME_WAYPOINT;
00290 wp->train_station = new_location;
00291
00292 if (wp->town == NULL) MakeDefaultWaypointName(wp);
00293
00294 wp->UpdateVirtCoord();
00295
00296 const StationSpec *spec = GetCustomStationSpec(spec_class, spec_index);
00297 byte *layout_ptr = AllocaM(byte, count);
00298 if (spec == NULL) {
00299
00300 memset(layout_ptr, 0, count);
00301 } else {
00302
00303 GetStationLayout(layout_ptr, count, 1, spec);
00304 }
00305 byte map_spec_index = AllocateSpecToStation(spec, wp, true);
00306
00307 for (int i = 0; i < count; i++) {
00308 TileIndex tile = start_tile + i * offset;
00309 byte old_specindex = IsTileType(tile, MP_STATION) ? GetCustomStationSpecIndex(tile) : 0;
00310 bool reserved = IsTileType(tile, MP_RAILWAY) ?
00311 HasBit(GetRailReservationTrackBits(tile), AxisToTrack(axis)) :
00312 HasStationReservation(tile);
00313 MakeRailWaypoint(tile, wp->owner, wp->index, axis, layout_ptr[i], GetRailType(tile));
00314 SetCustomStationSpecIndex(tile, map_spec_index);
00315 SetRailStationReservation(tile, reserved);
00316 MarkTileDirtyByTile(tile);
00317
00318 DeallocateSpecFromStation(wp, old_specindex);
00319 YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis));
00320 }
00321 }
00322
00323 return CommandCost(EXPENSES_CONSTRUCTION, count * _price[PR_BUILD_WAYPOINT_RAIL]);
00324 }
00325
00334 CommandCost CmdBuildBuoy(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00335 {
00336 if (!IsWaterTile(tile) || tile == 0) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
00337 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00338
00339 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
00340
00341
00342 Waypoint *wp = FindDeletedWaypointCloseTo(tile, STR_SV_STNAME_BUOY, OWNER_NONE);
00343 if (wp == NULL && !Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
00344
00345 if (flags & DC_EXEC) {
00346 if (wp == NULL) {
00347 wp = new Waypoint(tile);
00348 } else {
00349
00350 wp->xy = tile;
00351 InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
00352 }
00353 wp->rect.BeforeAddTile(tile, StationRect::ADD_TRY);
00354
00355 wp->string_id = STR_SV_STNAME_BUOY;
00356
00357 wp->facilities |= FACIL_DOCK;
00358 wp->owner = OWNER_NONE;
00359
00360 wp->build_date = _date;
00361
00362 if (wp->town == NULL) MakeDefaultWaypointName(wp);
00363
00364 MakeBuoy(tile, wp->index, GetWaterClass(tile));
00365
00366 wp->UpdateVirtCoord();
00367 InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
00368 }
00369
00370 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_WAYPOINT_BUOY]);
00371 }
00372
00380 CommandCost RemoveBuoy(TileIndex tile, DoCommandFlag flags)
00381 {
00382
00383 if (!Company::IsValidID(_current_company) && !(flags & DC_BANKRUPT)) return_cmd_error(INVALID_STRING_ID);
00384
00385 Waypoint *wp = Waypoint::GetByTile(tile);
00386
00387 if (HasStationInUse(wp->index, INVALID_COMPANY)) return_cmd_error(STR_ERROR_BUOY_IS_IN_USE);
00388
00389 if (!(flags & DC_BANKRUPT) && !EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00390
00391 if (flags & DC_EXEC) {
00392 wp->facilities &= ~FACIL_DOCK;
00393
00394 InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
00395
00396
00397
00398
00399 MakeWaterKeepingClass(tile, GetTileOwner(tile));
00400 MarkTileDirtyByTile(tile);
00401
00402 wp->rect.AfterRemoveTile(wp, tile);
00403
00404 wp->UpdateVirtCoord();
00405 wp->delete_ctr = 0;
00406 }
00407
00408 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_WAYPOINT_BUOY]);
00409 }
00410
00411
00412 static bool IsUniqueWaypointName(const char *name)
00413 {
00414 const Waypoint *wp;
00415
00416 FOR_ALL_WAYPOINTS(wp) {
00417 if (wp->name != NULL && strcmp(wp->name, name) == 0) return false;
00418 }
00419
00420 return true;
00421 }
00422
00432 CommandCost CmdRenameWaypoint(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00433 {
00434 Waypoint *wp = Waypoint::GetIfValid(p1);
00435 if (wp == NULL || !(CheckOwnership(wp->owner) || wp->owner == OWNER_NONE)) return CMD_ERROR;
00436
00437 bool reset = StrEmpty(text);
00438
00439 if (!reset) {
00440 if (strlen(text) >= MAX_LENGTH_STATION_NAME_BYTES) return CMD_ERROR;
00441 if (!IsUniqueWaypointName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
00442 }
00443
00444 if (flags & DC_EXEC) {
00445 free(wp->name);
00446
00447 if (reset) {
00448 MakeDefaultWaypointName(wp);
00449 } else {
00450 wp->name = strdup(text);
00451 }
00452
00453 wp->UpdateVirtCoord();
00454 }
00455 return CommandCost();
00456 }