tron@2186: /* $Id$ */ tron@2186: belugas@6393: /** @file rail_cmd.cpp */ belugas@6393: truelight@0: #include "stdafx.h" Darkvater@1891: #include "openttd.h" tron@3189: #include "bridge_map.h" rubidium@6160: #include "bridge.h" tron@6134: #include "cmd_helper.h" hackykid@1922: #include "debug.h" tron@2163: #include "functions.h" tron@3101: #include "rail_map.h" tron@3144: #include "road_map.h" tron@1363: #include "table/sprites.h" tron@507: #include "table/strings.h" tron@679: #include "map.h" maedhros@6343: #include "landscape.h" tron@1209: #include "tile.h" tron@3319: #include "town_map.h" tron@3154: #include "tunnel_map.h" truelight@0: #include "vehicle.h" truelight@0: #include "viewport.h" truelight@0: #include "command.h" truelight@0: #include "pathfind.h" hackykid@1922: #include "engine.h" truelight@0: #include "town.h" tron@337: #include "sound.h" celestar@389: #include "station.h" darkvater@405: #include "sprite.h" truelight@1313: #include "depot.h" truelight@1542: #include "waypoint.h" tron@4440: #include "window.h" matthijs@1942: #include "rail.h" ludde@2236: #include "railtypes.h" // include table for railtypes peter1138@3638: #include "newgrf.h" KUDr@3900: #include "yapf/yapf.h" peter1138@3757: #include "newgrf_callbacks.h" peter1138@3757: #include "newgrf_station.h" glx@4556: #include "train.h" truelight@0: ludde@2261: const byte _track_sloped_sprites[14] = { ludde@2261: 14, 15, 22, 13, ludde@2261: 0, 21, 17, 12, ludde@2261: 23, 0, 18, 20, ludde@2261: 19, 16 ludde@2261: }; ludde@2261: truelight@0: truelight@0: /* 4 truelight@0: * --------- truelight@0: * |\ /| truelight@0: * | \ 1/ | truelight@0: * | \ / | truelight@0: * | \ / | truelight@0: * 16| \ |32 truelight@201: * | / \2 | truelight@0: * | / \ | truelight@0: * | / \ | truelight@0: * |/ \| truelight@0: * --------- truelight@0: * 8 truelight@0: */ truelight@0: truelight@0: truelight@0: darkvater@22: /* MAP2 byte: abcd???? => Signal On? Same coding as map3lo truelight@201: * MAP3LO byte: abcd???? => Signal Exists? rubidium@4434: * a and b are for diagonals, upper and left, rubidium@4434: * one for each direction. (ie a == NE->SW, b == rubidium@4434: * SW->NE, or v.v., I don't know. b and c are rubidium@4434: * similar for lower and right. truelight@0: * MAP2 byte: ????abcd => Type of ground. truelight@0: * MAP3LO byte: ????abcd => Type of rail. truelight@0: * MAP5: 00abcdef => rail truelight@0: * 01abcdef => rail w/ signals truelight@0: * 10uuuuuu => unused truelight@201: * 11uuuudd => rail depot truelight@0: */ truelight@0: matthijs@1942: static bool CheckTrackCombination(TileIndex tile, TrackBits to_build, uint flags) truelight@0: { belugas@6420: TrackBits current; // The current track layout belugas@6420: TrackBits future; // The track layout we want to build truelight@0: _error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION; truelight@0: tron@4182: if (!IsPlainRailTile(tile)) return false; truelight@0: matthijs@1942: /* So, we have a tile with tracks on it (and possibly signals). Let's see matthijs@1942: * what tracks first */ matthijs@1942: current = GetTrackBits(tile); tron@1946: future = current | to_build; truelight@201: matthijs@1942: /* Are we really building something new? */ matthijs@1942: if (current == future) { matthijs@1942: /* Nothing new is being built */ matthijs@1942: _error_message = STR_1007_ALREADY_BUILT; matthijs@1942: return false; matthijs@1942: } truelight@201: matthijs@1942: /* Let's see if we may build this */ tron@4182: if (flags & DC_NO_RAIL_OVERLAP || HasSignals(tile)) { matthijs@1942: /* If we are not allowed to overlap (flag is on for ai players or we have matthijs@1942: * signals on the tile), check that */ tron@3258: return future == TRACK_BIT_HORZ || future == TRACK_BIT_VERT; matthijs@1942: } else { matthijs@1942: /* Normally, we may overlap and any combination is valid */ matthijs@1942: return true; truelight@0: } truelight@0: } truelight@0: truelight@0: tron@4067: static const TrackBits _valid_tileh_slopes[][15] = { truelight@0: belugas@6420: /* set of normal ones */ truelight@0: { tron@3258: TRACK_BIT_ALL, matthijs@1942: TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_UPPER, tron@3102: TRACK_BIT_X, truelight@0: matthijs@1942: TRACK_BIT_LEFT, rubidium@5587: TRACK_BIT_NONE, tron@3102: TRACK_BIT_Y, matthijs@1942: TRACK_BIT_LOWER, truelight@201: matthijs@1942: TRACK_BIT_LOWER, tron@3102: TRACK_BIT_Y, rubidium@5587: TRACK_BIT_NONE, matthijs@1942: TRACK_BIT_LEFT, truelight@201: tron@3102: TRACK_BIT_X, matthijs@1942: TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_RIGHT, truelight@0: }, truelight@0: belugas@6420: /* allowed rail for an evenly raised platform */ truelight@0: { rubidium@5587: TRACK_BIT_NONE, matthijs@1942: TRACK_BIT_LEFT, matthijs@1942: TRACK_BIT_LOWER, tron@3102: TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_LEFT, truelight@0: matthijs@1942: TRACK_BIT_RIGHT, tron@3258: TRACK_BIT_ALL, tron@3102: TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_RIGHT, tron@3258: TRACK_BIT_ALL, truelight@0: matthijs@1942: TRACK_BIT_UPPER, tron@3102: TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_LEFT, tron@3258: TRACK_BIT_ALL, tron@3258: TRACK_BIT_ALL, truelight@0: tron@3102: TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_RIGHT, tron@3258: TRACK_BIT_ALL, tron@3258: TRACK_BIT_ALL tron@3276: } truelight@0: }; truelight@0: tron@3636: uint GetRailFoundation(Slope tileh, TrackBits bits) truelight@0: { tron@3878: uint i; truelight@0: tron@4246: if (!IsSteepSlope(tileh)) { tron@4246: if ((~_valid_tileh_slopes[0][tileh] & bits) == 0) return 0; tron@4246: if ((~_valid_tileh_slopes[1][tileh] & bits) == 0) return tileh; tron@4246: } tron@3878: tron@3878: switch (bits) { tron@4253: default: NOT_REACHED(); tron@3878: case TRACK_BIT_X: i = 0; break; tron@3878: case TRACK_BIT_Y: i = 1; break; tron@4253: case TRACK_BIT_LEFT: return 15 + 8 + (tileh == SLOPE_STEEP_W ? 4 : 0); tron@4253: case TRACK_BIT_LOWER: return 15 + 8 + (tileh == SLOPE_STEEP_S ? 5 : 1); tron@4253: case TRACK_BIT_RIGHT: return 15 + 8 + (tileh == SLOPE_STEEP_E ? 6 : 2); tron@4253: case TRACK_BIT_UPPER: return 15 + 8 + (tileh == SLOPE_STEEP_N ? 7 : 3); tron@2951: } tron@3878: switch (tileh) { tron@4246: case SLOPE_W: tron@4246: case SLOPE_STEEP_W: i += 0; break; tron@4246: case SLOPE_S: tron@4246: case SLOPE_STEEP_S: i += 2; break; tron@4246: case SLOPE_E: tron@4246: case SLOPE_STEEP_E: i += 4; break; tron@4246: case SLOPE_N: tron@4246: case SLOPE_STEEP_N: i += 6; break; tron@4246: default: return 0; tron@3878: } tron@3878: return i + 15; truelight@0: } truelight@0: tron@2639: rubidium@6943: static CommandCost CheckRailSlope(Slope tileh, TrackBits rail_bits, TrackBits existing, TileIndex tile) truelight@0: { tron@4246: if (IsSteepSlope(tileh)) { peter1138@6452: if (_patches.build_on_slopes && existing == 0) { tron@4253: TrackBits valid = TRACK_BIT_CROSS | (HASBIT(1 << SLOPE_STEEP_W | 1 << SLOPE_STEEP_E, tileh) ? TRACK_BIT_VERT : TRACK_BIT_HORZ); tron@4253: if (valid & rail_bits) return _price.terraform; tron@4246: } tron@4246: } else { truelight@0: rail_bits |= existing; truelight@0: belugas@6420: /* don't allow building on the lower side of a coast */ tron@1627: if (IsTileType(tile, MP_WATER) && tron@3276: ~_valid_tileh_slopes[1][tileh] & rail_bits) { truelight@0: return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER); truelight@0: } truelight@0: belugas@6420: /* no special foundation */ rubidium@6791: if ((~_valid_tileh_slopes[0][tileh] & rail_bits) == 0) { truelight@0: return 0; rubidium@6791: } else if (!_patches.build_on_slopes || _is_old_ai_player) { rubidium@6791: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); rubidium@6791: } truelight@201: tron@1627: if ((~_valid_tileh_slopes[1][tileh] & rail_bits) == 0 || ( // whole tile is leveled up tron@3102: (rail_bits == TRACK_BIT_X || rail_bits == TRACK_BIT_Y) && tron@3636: (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N) tron@1627: )) { // partly up rubidium@6791: return (existing != 0) ? 0 : _price.terraform; truelight@0: } truelight@0: } truelight@0: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); truelight@0: } truelight@0: Darkvater@1775: /* Validate functions for rail building */ matthijs@1942: static inline bool ValParamTrackOrientation(Track track) {return IsValidTrack(track);} Darkvater@1775: Darkvater@1775: /** Build a single piece of rail tron@3491: * @param tile tile to build on belugas@6483: * @param flags operation to perform Darkvater@1775: * @param p1 railtype of being built piece (normal, mono, maglev) matthijs@1942: * @param p2 rail track to build Darkvater@1775: */ rubidium@6943: CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@3636: Slope tileh; tron@5058: RailType railtype; tron@5058: Track track; matthijs@1942: TrackBits trackbit; rubidium@6943: CommandCost cost = 0; rubidium@6943: CommandCost ret; tron@1627: rubidium@5587: if (!ValParamRailtype(p1) || !ValParamTrackOrientation((Track)p2)) return CMD_ERROR; tron@5058: railtype = (RailType)p1; tron@5058: track = (Track)p2; tron@1627: tron@1627: tileh = GetTileSlope(tile, NULL); matthijs@1942: trackbit = TrackToTrackBits(track); truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: tron@1627: switch (GetTileType(tile)) { tron@1627: case MP_RAILWAY: matthijs@1942: if (!CheckTrackCombination(tile, trackbit, flags) || belugas@6406: !EnsureNoVehicleOnGround(tile)) { tron@1627: return CMD_ERROR; tron@1627: } tron@4180: if (!IsTileOwner(tile, _current_player) || peter1138@5394: !IsCompatibleRail(GetRailType(tile), railtype)) { belugas@6420: /* Get detailed error message */ tron@3491: return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@1627: } tron@1627: matthijs@1942: ret = CheckRailSlope(tileh, trackbit, GetTrackBits(tile), tile); tron@1691: if (CmdFailed(ret)) return ret; truelight@0: cost += ret; truelight@0: peter1138@5059: /* If the rail types don't match, try to convert only if engines of peter1138@5059: * the present rail type are powered on the new rail type. */ peter1138@5059: if (GetRailType(tile) != railtype && HasPowerOnRail(GetRailType(tile), railtype)) { tron@5058: ret = DoCommand(tile, tile, railtype, flags, CMD_CONVERT_RAIL); peter1138@5054: if (CmdFailed(ret)) return ret; peter1138@5054: cost += ret; peter1138@5054: } peter1138@5054: tron@1719: if (flags & DC_EXEC) { celestar@3523: SetRailGroundType(tile, RAIL_GROUND_BARREN); rubidium@5411: SetTrackBits(tile, GetTrackBits(tile) | trackbit); tron@1719: } tron@1627: break; truelight@0: tron@1627: case MP_STREET: tron@3142: #define M(x) (1 << (x)) tron@3142: /* Level crossings may only be built on these slopes */ tron@3636: if (!HASBIT(M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT), tileh)) { tron@1627: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); tron@3142: } tron@3142: #undef M tron@3142: belugas@6406: if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; truelight@0: tron@4140: if (GetRoadTileType(tile) == ROAD_TILE_NORMAL) { tron@4140: if (HasRoadWorks(tile)) return_cmd_error(STR_ROAD_WORKS_IN_PROGRESS); tron@4140: rubidium@6661: RoadTypes roadtypes = GetRoadTypes(tile); rubidium@6661: RoadBits road = GetRoadBits(tile, ROADTYPE_ROAD); rubidium@6661: RoadBits tram = GetRoadBits(tile, ROADTYPE_TRAM); rubidium@6661: switch (roadtypes) { rubidium@6661: default: break; rubidium@6728: case ROADTYPES_TRAM: rubidium@6728: /* Tram crossings must always have road. */ rubidium@6728: SetRoadOwner(tile, ROADTYPE_ROAD, _current_player); rubidium@6728: roadtypes |= ROADTYPES_ROAD; rubidium@6728: break; rubidium@6728: rubidium@6661: case ROADTYPES_ROADTRAM: if (road == tram) break; rubidium@6661: /* FALL THROUGH */ rubidium@6661: case ROADTYPES_ROADHWAY: // Road and highway are incompatible in this case rubidium@6661: case ROADTYPES_TRAMHWAY: // Tram and highway are incompatible in this case rubidium@6661: case ROADTYPES_ALL: // Also incompatible rubidium@6661: return CMD_ERROR; rubidium@6661: } rubidium@6661: rubidium@6661: road |= tram | GetRoadBits(tile, ROADTYPE_HWAY); rubidium@6661: rubidium@6661: if ((track == TRACK_X && road == ROAD_Y) || rubidium@6661: (track == TRACK_Y && road == ROAD_X)) { tron@4140: if (flags & DC_EXEC) { rubidium@6661: MakeRoadCrossing(tile, GetRoadOwner(tile, ROADTYPE_ROAD), GetRoadOwner(tile, ROADTYPE_TRAM), GetRoadOwner(tile, ROADTYPE_HWAY), _current_player, (track == TRACK_X ? AXIS_Y : AXIS_X), railtype, roadtypes, GetTownIndex(tile)); tron@4140: } tron@4140: break; truelight@4139: } tron@1627: } tron@1627: tron@3267: if (IsLevelCrossing(tile) && GetCrossingRailBits(tile) == trackbit) { tron@1627: return_cmd_error(STR_1007_ALREADY_BUILT); tron@3267: } tron@1627: /* FALLTHROUGH */ tron@1627: tron@1627: default: rubidium@5587: ret = CheckRailSlope(tileh, trackbit, TRACK_BIT_NONE, tile); tron@1691: if (CmdFailed(ret)) return ret; tron@1627: cost += ret; tron@1627: tron@3491: ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@1691: if (CmdFailed(ret)) return ret; tron@1627: cost += ret; tron@1627: tron@5058: if (flags & DC_EXEC) MakeRailNormal(tile, _current_player, trackbit, railtype); tron@1627: break; truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { truelight@0: MarkTileDirtyByTile(tile); matthijs@1942: SetSignalsOnBothDir(tile, track); KUDr@3900: YapfNotifyTrackLayoutChange(tile, track); truelight@0: } truelight@0: truelight@0: return cost + _price.build_rail; truelight@0: } truelight@0: Darkvater@1775: /** Remove a single piece of track tron@3491: * @param tile tile to remove track from belugas@6483: * @param flags operation to perform Darkvater@1775: * @param p1 unused Darkvater@1775: * @param p2 rail orientation truelight@0: */ rubidium@6943: CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { matthijs@1942: Track track = (Track)p2; matthijs@1942: TrackBits trackbit; rubidium@6943: CommandCost cost = _price.remove_rail; peter1138@3284: bool crossing = false; Darkvater@1775: rubidium@5587: if (!ValParamTrackOrientation((Track)p2)) return CMD_ERROR; matthijs@1942: trackbit = TrackToTrackBits(track); truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: tron@3273: switch (GetTileType(tile)) { tron@3071: case MP_STREET: { tron@3273: if (!IsLevelCrossing(tile) || tron@3273: GetCrossingRailBits(tile) != trackbit || tron@3273: (_current_player != OWNER_WATER && !CheckTileOwnership(tile)) || belugas@6406: !EnsureNoVehicleOnGround(tile)) { tron@3273: return CMD_ERROR; tron@3273: } truelight@0: tron@3273: if (flags & DC_EXEC) { rubidium@6661: MakeRoadNormal(tile, GetCrossingRoadBits(tile), GetRoadTypes(tile), GetTownIndex(tile), GetRoadOwner(tile, ROADTYPE_ROAD), GetRoadOwner(tile, ROADTYPE_TRAM), GetRoadOwner(tile, ROADTYPE_HWAY)); tron@3273: } matthijs@1942: break; tron@3071: } tron@2548: tron@3273: case MP_RAILWAY: { tron@3273: TrackBits present; tron@3273: tron@3273: if (!IsPlainRailTile(tile) || tron@3273: (_current_player != OWNER_WATER && !CheckTileOwnership(tile)) || belugas@6406: !EnsureNoVehicleOnGround(tile)) { matthijs@1942: return CMD_ERROR; tron@3273: } matthijs@1942: tron@3273: present = GetTrackBits(tile); tron@3273: if ((present & trackbit) == 0) return CMD_ERROR; peter1138@3284: if (present == (TRACK_BIT_X | TRACK_BIT_Y)) crossing = true; matthijs@1942: hackykid@1963: /* Charge extra to remove signals on the track, if they are there */ matthijs@1942: if (HasSignalOnTrack(tile, track)) tron@3491: cost += DoCommand(tile, track, 0, flags, CMD_REMOVE_SIGNALS); matthijs@1942: tron@3273: if (flags & DC_EXEC) { tron@3273: present ^= trackbit; tron@3273: if (present == 0) { tron@3273: DoClearSquare(tile); tron@3273: } else { tron@3273: SetTrackBits(tile, present); tron@3273: } matthijs@1942: } matthijs@1942: break; tron@3273: } tron@2548: tron@3273: default: return CMD_ERROR; truelight@0: } truelight@0: tron@3273: if (flags & DC_EXEC) { tron@3273: MarkTileDirtyByTile(tile); peter1138@3284: if (crossing) { peter1138@3284: /* crossing is set when only TRACK_BIT_X and TRACK_BIT_Y are set. As we peter1138@3284: * are removing one of these pieces, we'll need to update signals for peter1138@3284: * both directions explicitly, as after the track is removed it won't peter1138@3284: * 'connect' with the other piece. */ peter1138@3284: SetSignalsOnBothDir(tile, TRACK_X); peter1138@3284: SetSignalsOnBothDir(tile, TRACK_Y); KUDr@3900: YapfNotifyTrackLayoutChange(tile, TRACK_X); KUDr@3900: YapfNotifyTrackLayoutChange(tile, TRACK_Y); peter1138@3284: } else { peter1138@3284: SetSignalsOnBothDir(tile, track); KUDr@3900: YapfNotifyTrackLayoutChange(tile, track); peter1138@3284: } tron@3273: } truelight@201: hackykid@1963: return cost; truelight@0: } truelight@0: truelight@0: tron@3493: static const TileIndexDiffC _trackdelta[] = { tron@3493: { -1, 0 }, { 0, 1 }, { -1, 0 }, { 0, 1 }, { 1, 0 }, { 0, 1 }, tron@3493: { 0, 0 }, tron@3493: { 0, 0 }, tron@3493: { 1, 0 }, { 0, -1 }, { 0, -1 }, { 1, 0 }, { 0, -1 }, { -1, 0 }, tron@3493: { 0, 0 }, tron@3493: { 0, 0 } tron@3493: }; tron@3493: tron@3493: rubidium@6943: static CommandCost ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileIndex end) darkvater@1227: { tron@3493: int x = TileX(start); tron@3493: int y = TileY(start); tron@3493: int ex = TileX(end); tron@3493: int ey = TileY(end); darkvater@1227: int dx, dy, trdx, trdy; truelight@0: rubidium@5587: if (!ValParamTrackOrientation(TrackdirToTrack(*trackdir))) return CMD_ERROR; darkvater@1227: belugas@6420: /* calculate delta x,y from start to end tile */ darkvater@1227: dx = ex - x; darkvater@1227: dy = ey - y; darkvater@1227: belugas@6420: /* calculate delta x,y for the first direction */ tron@3493: trdx = _trackdelta[*trackdir].x; tron@3493: trdy = _trackdelta[*trackdir].y; darkvater@1227: matthijs@1942: if (!IsDiagonalTrackdir(*trackdir)) { tron@3493: trdx += _trackdelta[*trackdir ^ 1].x; tron@3493: trdy += _trackdelta[*trackdir ^ 1].y; darkvater@1227: } darkvater@1227: belugas@6420: /* validate the direction */ tron@2951: while ( tron@2951: (trdx <= 0 && dx > 0) || tron@2951: (trdx >= 0 && dx < 0) || tron@2951: (trdy <= 0 && dy > 0) || tron@2951: (trdy >= 0 && dy < 0) tron@2951: ) { matthijs@1942: if (!HASBIT(*trackdir, 3)) { // first direction is invalid, try the other KUDr@6127: SetBitT(*trackdir, 3); // reverse the direction darkvater@1227: trdx = -trdx; darkvater@1227: trdy = -trdy; tron@4077: } else { // other direction is invalid too, invalid drag darkvater@1227: return CMD_ERROR; tron@4077: } darkvater@1227: } darkvater@1227: belugas@6420: /* (for diagonal tracks, this is already made sure of by above test), but: belugas@6420: * for non-diagonal tracks, check if the start and end tile are on 1 line */ matthijs@1942: if (!IsDiagonalTrackdir(*trackdir)) { tron@3493: trdx = _trackdelta[*trackdir].x; tron@3493: trdy = _trackdelta[*trackdir].y; tron@2951: if (abs(dx) != abs(dy) && abs(dx) + abs(trdy) != abs(dy) + abs(trdx)) darkvater@1227: return CMD_ERROR; darkvater@1227: } darkvater@1227: darkvater@1227: return 0; darkvater@1227: } darkvater@1227: Darkvater@1775: /** Build a stretch of railroad tracks. tron@3491: * @param tile start tile of drag belugas@6483: * @param flags operation to perform Darkvater@1775: * @param p1 end tile of drag Darkvater@1775: * @param p2 various bitstuffed elements Darkvater@1775: * - p2 = (bit 0-3) - railroad type normal/maglev (0 = normal, 1 = mono, 2 = maglev) matthijs@1942: * - p2 = (bit 4-6) - track-orientation, valid values: 0-5 (Track enum) Darkvater@1775: * - p2 = (bit 7) - 0 = build, 1 = remove tracks truelight@0: */ rubidium@6943: static CommandCost CmdRailTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { rubidium@6943: CommandCost ret, total_cost = 0; tron@2140: Track track = (Track)GB(p2, 4, 3); matthijs@1942: Trackdir trackdir; darkvater@1227: byte mode = HASBIT(p2, 7); peter1138@2604: RailType railtype = (RailType)GB(p2, 0, 4); tron@3493: TileIndex end_tile; truelight@0: peter1138@2604: if (!ValParamRailtype(railtype) || !ValParamTrackOrientation(track)) return CMD_ERROR; tron@2934: if (p1 >= MapSize()) return CMD_ERROR; tron@3493: end_tile = p1; matthijs@1942: trackdir = TrackToTrackdir(track); Darkvater@1775: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: tron@3493: if (CmdFailed(ValidateAutoDrag(&trackdir, tile, end_tile))) return CMD_ERROR; truelight@201: tron@3493: if (flags & DC_EXEC) SndPlayTileFx(SND_20_SPLAT_2, tile); truelight@0: tron@2952: for (;;) { tron@3493: ret = DoCommand(tile, railtype, TrackdirToTrack(trackdir), flags, (mode == 0) ? CMD_BUILD_SINGLE_RAIL : CMD_REMOVE_SINGLE_RAIL); truelight@0: Darkvater@1775: if (CmdFailed(ret)) { Darkvater@3671: if ((_error_message != STR_1007_ALREADY_BUILT) && (mode == 0)) break; Darkvater@3671: _error_message = INVALID_STRING_ID; tron@4077: } else { truelight@0: total_cost += ret; tron@4077: } truelight@0: tron@3493: if (tile == end_tile) break; truelight@0: tron@3493: tile += ToTileIndexDiff(_trackdelta[trackdir]); truelight@201: belugas@6420: /* toggle railbit for the non-diagonal tracks */ KUDr@6127: if (!IsDiagonalTrackdir(trackdir)) ToggleBitT(trackdir, 0); truelight@201: } truelight@0: Darkvater@1775: return (total_cost == 0) ? CMD_ERROR : total_cost; truelight@0: } truelight@0: Darkvater@1796: /** Build rail on a stretch of track. Darkvater@1796: * Stub for the unified rail builder/remover belugas@6483: * @param tile start tile of drag belugas@6483: * @param flags operation to perform belugas@6483: * @param p1 end tile of drag belugas@6483: * @param p2 various bitstuffed elements belugas@6483: * - p2 = (bit 0-3) - railroad type normal/maglev (0 = normal, 1 = mono, 2 = maglev) belugas@6483: * - p2 = (bit 4-6) - track-orientation, valid values: 0-5 (Track enum) belugas@6483: * - p2 = (bit 7) - 0 = build, 1 = remove tracks Darkvater@1796: * @see CmdRailTrackHelper Darkvater@1796: */ rubidium@6943: CommandCost CmdBuildRailroadTrack(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { tron@3491: return CmdRailTrackHelper(tile, flags, p1, CLRBIT(p2, 7)); darkvater@1227: } truelight@0: Darkvater@1796: /** Build rail on a stretch of track. Darkvater@1796: * Stub for the unified rail builder/remover belugas@6483: * @param tile start tile of drag belugas@6483: * @param flags operation to perform belugas@6483: * @param p1 end tile of drag belugas@6483: * @param p2 various bitstuffed elements belugas@6483: * - p2 = (bit 0-3) - railroad type normal/maglev (0 = normal, 1 = mono, 2 = maglev) belugas@6483: * - p2 = (bit 4-6) - track-orientation, valid values: 0-5 (Track enum) belugas@6483: * - p2 = (bit 7) - 0 = build, 1 = remove tracks Darkvater@1796: * @see CmdRailTrackHelper Darkvater@1796: */ rubidium@6943: CommandCost CmdRemoveRailroadTrack(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@3491: return CmdRailTrackHelper(tile, flags, p1, SETBIT(p2, 7)); truelight@0: } truelight@0: Darkvater@1775: /** Build a train depot tron@3491: * @param tile position of the train depot belugas@6483: * @param flags operation to perform Darkvater@1775: * @param p1 rail type tron@6134: * @param p2 bit 0..1 entrance direction (DiagDirection) celestar@2085: * celestar@2085: * @todo When checking for the tile slope, celestar@2085: * distingush between "Flat land required" and "land sloped in wrong direction" truelight@0: */ rubidium@6943: CommandCost CmdBuildTrainDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { Darkvater@1775: Depot *d; rubidium@6943: CommandCost cost, ret; tron@3636: Slope tileh; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: Darkvater@1775: /* check railtype and valid direction for depot (0 through 3), 4 in total */ tron@6134: if (!ValParamRailtype(p1)) return CMD_ERROR; truelight@0: truelight@0: tileh = GetTileSlope(tile, NULL); celestar@2085: tron@6134: DiagDirection dir = Extract(p2); tron@6134: celestar@2085: /* Prohibit construction if rubidium@4549: * The tile is non-flat AND rubidium@4549: * 1) The AI is "old-school" rubidium@4549: * 2) build-on-slopes is disabled rubidium@4549: * 3) the tile is steep i.e. spans two height levels rubidium@4549: * 4) the exit points in the wrong direction rubidium@4549: */ celestar@2085: tron@3636: if (tileh != SLOPE_FLAT && ( tron@2548: _is_old_ai_player || tron@2548: !_patches.build_on_slopes || tron@3636: IsSteepSlope(tileh) || tron@6134: !CanBuildDepotByTileh(dir, tileh) tron@2548: )) { tron@2548: return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); truelight@0: } truelight@0: tron@3491: ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); Darkvater@1775: if (CmdFailed(ret)) return CMD_ERROR; truelight@0: cost = ret; truelight@0: celestar@5385: if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); celestar@5385: Darkvater@1775: d = AllocateDepot(); tron@2639: if (d == NULL) return CMD_ERROR; truelight@0: truelight@0: if (flags & DC_EXEC) { rubidium@5587: MakeRailDepot(tile, _current_player, dir, (RailType)p1); tron@3101: MarkTileDirtyByTile(tile); truelight@201: Darkvater@1775: d->xy = tile; Darkvater@1775: d->town_index = ClosestTownFromTile(tile, (uint)-1)->index; truelight@0: rubidium@5587: UpdateSignalsOnSegment(tile, dir); rubidium@5587: YapfNotifyTrackLayoutChange(tile, TrackdirToTrack(DiagdirToDiagTrackdir(dir))); truelight@0: } truelight@0: truelight@0: return cost + _price.build_train_depot; truelight@0: } truelight@0: Darkvater@1775: /** Build signals, alternate between double/single, signal/semaphore, Darkvater@5731: * pre/exit/combo-signals, and what-else not. If the rail piece does not Darkvater@5731: * have any signals, bit 4 (cycle signal-type) is ignored tron@3491: * @param tile tile where to build the signals belugas@6483: * @param flags operation to perform Darkvater@1775: * @param p1 various bitstuffed elements Darkvater@5735: * - p1 = (bit 0-2) - track-orientation, valid values: 0-5 (Track enum) Darkvater@5735: * - p1 = (bit 3) - 1 = override signal/semaphore, or pre/exit/combo signal (CTRL-toggle) Darkvater@5735: * - p1 = (bit 4) - 0 = signals, 1 = semaphores matthijs@1942: * @param p2 used for CmdBuildManySignals() to copy direction of first signal matthijs@1942: * TODO: p2 should be replaced by two bits for "along" and "against" the track. darkvater@58: */ rubidium@6943: CommandCost CmdBuildSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { Darkvater@5735: Track track = (Track)GB(p1, 0, 3); Darkvater@5735: bool pre_signal = HASBIT(p1, 3); Darkvater@5735: SignalVariant sigvar = (pre_signal ^ HASBIT(p1, 4)) ? SIG_SEMAPHORE : SIG_ELECTRIC; rubidium@6943: CommandCost cost; truelight@201: belugas@6406: if (!ValParamTrackOrientation(track) || !IsTileType(tile, MP_RAILWAY) || !EnsureNoVehicleOnGround(tile)) truelight@0: return CMD_ERROR; truelight@0: Darkvater@1775: /* Protect against invalid signal copying */ matthijs@1942: if (p2 != 0 && (p2 & SignalOnTrack(track)) == 0) return CMD_ERROR; truelight@0: matthijs@1942: /* You can only build signals on plain rail tiles, and the selected track must exist */ matthijs@1942: if (!IsPlainRailTile(tile) || !HasTrack(tile, track)) return CMD_ERROR; tron@1084: tron@1084: if (!CheckTileOwnership(tile)) return CMD_ERROR; tron@1084: darkvater@58: _error_message = STR_1005_NO_SUITABLE_RAILROAD_TRACK; darkvater@58: truelight@0: { tron@4077: /* See if this is a valid track combination for signals, (ie, no overlap) */ tron@4077: TrackBits trackbits = GetTrackBits(tile); matthijs@1942: if (KILL_FIRST_BIT(trackbits) != 0 && /* More than one track present */ tron@3258: trackbits != TRACK_BIT_HORZ && tron@4077: trackbits != TRACK_BIT_VERT) { truelight@0: return CMD_ERROR; tron@4077: } truelight@0: } truelight@0: tron@1084: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: matthijs@1942: if (!HasSignalOnTrack(tile, track)) { belugas@6420: /* build new signals */ truelight@0: cost = _price.build_signals; darkvater@1066: } else { glx@6770: if (p2 != 0 && sigvar != GetSignalVariant(tile, track)) { belugas@6420: /* convert signals <-> semaphores */ tron@1084: cost = _price.build_signals + _price.remove_signals; tron@1084: } else { belugas@6432: /* it is free to change orientation/pre-exit-combo signals */ tron@1084: cost = 0; tron@1084: } truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { tron@4182: if (!HasSignals(tile)) { belugas@6420: /* there are no signals at all on this tile yet */ rubidium@6172: SetHasSignals(tile, true); rubidium@6753: SetSignalStates(tile, 0xF); // all signals are on rubidium@6753: SetPresentSignals(tile, 0); // no signals built by default glx@6770: SetSignalType(tile, track, SIGTYPE_NORMAL); glx@6770: SetSignalVariant(tile, track, sigvar); truelight@0: } truelight@0: tron@1084: if (p2 == 0) { matthijs@1942: if (!HasSignalOnTrack(tile, track)) { belugas@6420: /* build new signals */ rubidium@6753: SetPresentSignals(tile, GetPresentSignals(tile) | SignalOnTrack(track)); glx@6770: SetSignalType(tile, track, SIGTYPE_NORMAL); glx@6770: SetSignalVariant(tile, track, sigvar); tron@1084: } else { tron@1084: if (pre_signal) { belugas@6420: /* cycle between normal -> pre -> exit -> combo -> ... */ glx@6770: SignalType type = GetSignalType(tile, track); tron@3238: glx@6770: SetSignalType(tile, track, type == SIGTYPE_COMBO ? SIGTYPE_NORMAL : (SignalType)(type + 1)); tron@1084: } else { celestar@3522: CycleSignalSide(tile, track); tron@1084: } tron@1084: } darkvater@58: } else { tron@1084: /* If CmdBuildManySignals is called with copying signals, just copy the matthijs@1942: * direction of the first signal given as parameter by CmdBuildManySignals */ rubidium@6753: SetPresentSignals(tile, (GetPresentSignals(tile) & ~SignalOnTrack(track)) | (p2 & SignalOnTrack(track))); glx@6770: SetSignalVariant(tile, track, sigvar); truelight@0: } truelight@201: truelight@0: MarkTileDirtyByTile(tile); truelight@0: SetSignalsOnBothDir(tile, track); KUDr@3900: YapfNotifyTrackLayoutChange(tile, track); truelight@0: } truelight@0: truelight@0: return cost; truelight@0: } truelight@0: rubidium@4434: /** Build many signals by dragging; AutoSignals tron@3491: * @param tile start tile of drag belugas@6483: * @param flags operation to perform Darkvater@1796: * @param p1 end tile of drag Darkvater@1796: * @param p2 various bitstuffed elements Darkvater@5735: * - p2 = (bit 0- 2) - track-orientation, valid values: 0-5 (Track enum) Darkvater@5735: * - p2 = (bit 3) - 1 = override signal/semaphore, or pre/exit/combo signal (CTRL-toggle) Darkvater@5735: * - p2 = (bit 4) - 0 = signals, 1 = semaphores Darkvater@5731: * - p2 = (bit 5) - 0 = build, 1 = remove signals Darkvater@1796: * - p2 = (bit 24-31) - user defined signals_density darkvater@58: */ rubidium@6943: static CommandCost CmdSignalTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) darkvater@58: { rubidium@6943: CommandCost ret, total_cost; rubidium@6943: int signal_ctr; hackykid@1954: byte signals; Darkvater@1796: bool error = true; tron@3493: TileIndex end_tile; Darkvater@1796: Darkvater@5735: Track track = (Track)GB(p2, 0, 3); Darkvater@5735: bool mode = HASBIT(p2, 3); Darkvater@5735: bool semaphores = HASBIT(p2, 4); Darkvater@5731: bool remove = HASBIT(p2, 5); matthijs@1942: Trackdir trackdir = TrackToTrackdir(track); Darkvater@5731: byte signal_density = GB(p2, 24, 8); Darkvater@1796: tron@2934: if (p1 >= MapSize()) return CMD_ERROR; tron@3493: end_tile = p1; Darkvater@1796: if (signal_density == 0 || signal_density > 20) return CMD_ERROR; darkvater@58: tron@2639: if (!IsTileType(tile, MP_RAILWAY)) return CMD_ERROR; hackykid@1954: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: Darkvater@1796: /* for vertical/horizontal tracks, double the given signals density rubidium@4549: * since the original amount will be too dense (shorter tracks) */ tron@4077: if (!IsDiagonalTrack(track)) signal_density *= 2; Darkvater@1796: tron@3493: if (CmdFailed(ValidateAutoDrag(&trackdir, tile, end_tile))) return CMD_ERROR; matthijs@1942: matthijs@1942: track = TrackdirToTrack(trackdir); /* trackdir might have changed, keep track in sync */ darkvater@58: belugas@6432: /* copy the signal-style of the first rail-piece if existing */ tron@4182: if (HasSignals(tile)) { rubidium@6753: signals = GetPresentSignals(tile) & SignalOnTrack(track); matthijs@1942: if (signals == 0) signals = SignalOnTrack(track); /* Can this actually occur? */ darkvater@58: belugas@6420: /* copy signal/semaphores style (independent of CTRL) */ glx@6770: semaphores = GetSignalVariant(tile, track) != SIG_ELECTRIC; tron@4077: } else { // no signals exist, drag a two-way signal stretch matthijs@1942: signals = SignalOnTrack(track); tron@4077: } darkvater@58: hackykid@1954: /* signal_ctr - amount of tiles already processed matthijs@1942: * signals_density - patch setting to put signal on every Nth tile (double space on |, -- tracks) darkvater@58: ********** hackykid@1954: * trackdir - trackdir to build with autorail hackykid@1954: * semaphores - semaphores or signals matthijs@1942: * signals - is there a signal/semaphore on the first tile, copy its style (two-way/single-way) rubidium@4549: * and convert all others to semaphore/signal Darkvater@5731: * remove - 1 remove signals, 0 build signals */ darkvater@58: signal_ctr = total_cost = 0; Darkvater@1796: for (;;) { belugas@6420: /* only build/remove signals with the specified density */ tron@4077: if (signal_ctr % signal_density == 0) { Darkvater@5735: uint32 p1 = GB(TrackdirToTrack(trackdir), 0, 3); Darkvater@5735: SB(p1, 3, 1, mode); Darkvater@5735: SB(p1, 4, 1, semaphores); Darkvater@5731: ret = DoCommand(tile, p1, signals, flags, remove ? CMD_REMOVE_SIGNALS : CMD_BUILD_SIGNALS); darkvater@58: Darkvater@5069: /* Be user-friendly and try placing signals as much as possible */ rubidium@6946: if (CmdSucceeded(ret)) { darkvater@58: error = false; darkvater@58: total_cost += ret; darkvater@58: } darkvater@58: } darkvater@58: tron@3493: if (tile == end_tile) break; darkvater@58: tron@3493: tile += ToTileIndexDiff(_trackdelta[trackdir]); darkvater@58: signal_ctr++; truelight@201: belugas@6420: /* toggle railbit for the non-diagonal tracks (|, -- tracks) */ KUDr@6127: if (!IsDiagonalTrackdir(trackdir)) ToggleBitT(trackdir, 0); darkvater@58: } darkvater@58: tron@2951: return error ? CMD_ERROR : total_cost; darkvater@58: } darkvater@58: Darkvater@1796: /** Build signals on a stretch of track. Darkvater@1796: * Stub for the unified signal builder/remover belugas@6483: * @param tile start tile of drag belugas@6483: * @param flags operation to perform belugas@6483: * @param p1 end tile of drag belugas@6483: * @param p2 various bitstuffed elements belugas@6483: * - p2 = (bit 0- 2) - track-orientation, valid values: 0-5 (Track enum) belugas@6483: * - p2 = (bit 3) - 1 = override signal/semaphore, or pre/exit/combo signal (CTRL-toggle) belugas@6483: * - p2 = (bit 4) - 0 = signals, 1 = semaphores belugas@6483: * - p2 = (bit 5) - 0 = build, 1 = remove signals belugas@6483: * - p2 = (bit 24-31) - user defined signals_density Darkvater@1796: * @see CmdSignalTrackHelper Darkvater@1796: */ rubidium@6943: CommandCost CmdBuildSignalTrack(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { tron@3491: return CmdSignalTrackHelper(tile, flags, p1, p2); darkvater@1227: } darkvater@1227: Darkvater@1775: /** Remove signals tron@3491: * @param tile coordinates where signal is being deleted from belugas@6483: * @param flags operation to perform belugas@6488: * @param p1 various bitstuffed elements, only track information is used belugas@6488: * - (bit 0- 2) - track-orientation, valid values: 0-5 (Track enum) belugas@6488: * - (bit 3) - override signal/semaphore, or pre/exit/combo signal (CTRL-toggle) belugas@6488: * - (bit 4) - 0 = signals, 1 = semaphores belugas@6488: * @param p2 unused truelight@0: */ rubidium@6943: CommandCost CmdRemoveSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { Darkvater@5735: Track track = (Track)GB(p1, 0, 3); tron@1518: tron@4077: if (!ValParamTrackOrientation(track) || tron@4077: !IsTileType(tile, MP_RAILWAY) || belugas@6406: !EnsureNoVehicleOnGround(tile) || tron@4077: !HasSignalOnTrack(tile, track)) { tron@1518: return CMD_ERROR; tron@4077: } tron@1518: Darkvater@1775: /* Only water can remove signals from anyone */ Darkvater@1775: if (_current_player != OWNER_WATER && !CheckTileOwnership(tile)) return CMD_ERROR; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: /* Do it? */ truelight@0: if (flags & DC_EXEC) { rubidium@6753: SetPresentSignals(tile, GetPresentSignals(tile) & ~SignalOnTrack(track)); truelight@201: darkvater@1066: /* removed last signal from tile? */ rubidium@6753: if (GetPresentSignals(tile) == 0) { rubidium@6753: SetSignalStates(tile, 0); rubidium@6172: SetHasSignals(tile, false); glx@6770: SetSignalVariant(tile, INVALID_TRACK, SIG_ELECTRIC); // remove any possible semaphores darkvater@1066: } tron@1109: darkvater@1066: SetSignalsOnBothDir(tile, track); KUDr@3900: YapfNotifyTrackLayoutChange(tile, track); truelight@0: truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@201: truelight@0: return _price.remove_signals; truelight@0: } truelight@0: Darkvater@1796: /** Remove signals on a stretch of track. Darkvater@1796: * Stub for the unified signal builder/remover belugas@6483: * @param tile start tile of drag belugas@6483: * @param flags operation to perform belugas@6483: * @param p1 end tile of drag belugas@6483: * @param p2 various bitstuffed elements belugas@6483: * - p2 = (bit 0- 2) - track-orientation, valid values: 0-5 (Track enum) belugas@6483: * - p2 = (bit 3) - 1 = override signal/semaphore, or pre/exit/combo signal (CTRL-toggle) belugas@6483: * - p2 = (bit 4) - 0 = signals, 1 = semaphores belugas@6483: * - p2 = (bit 5) - 0 = build, 1 = remove signals belugas@6483: * - p2 = (bit 24-31) - user defined signals_density Darkvater@1796: * @see CmdSignalTrackHelper Darkvater@1796: */ rubidium@6943: CommandCost CmdRemoveSignalTrack(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { Darkvater@5731: return CmdSignalTrackHelper(tile, flags, p1, SETBIT(p2, 5)); // bit 5 is remove bit darkvater@1227: } darkvater@1227: rubidium@6943: typedef CommandCost DoConvertRailProc(TileIndex tile, RailType totype, bool exec); truelight@0: celestar@6368: /** celestar@6368: * Switches the rail type. celestar@6368: * Railtypes are stored on a per-tile basis, not on a per-track basis, so celestar@6368: * all the tracks in the given tile will be converted. celestar@6368: * @param tile The tile on which the railtype is to be convert. celestar@6368: * @param totype The railtype we want to convert to celestar@6368: * @param exec Switches between test and execute mode celestar@6368: * @return The cost and state of the operation celestar@6368: * @retval CMD_ERROR An error occured during the operation. celestar@6368: */ rubidium@6943: static CommandCost DoConvertRail(TileIndex tile, RailType totype, bool exec) truelight@0: { celestar@3355: if (!CheckTileOwnership(tile)) return CMD_ERROR; celestar@3355: celestar@6368: if (GetRailType(tile) == totype) return CMD_ERROR; truelight@0: belugas@6406: if (!EnsureNoVehicleOnGround(tile) && (!IsCompatibleRail(GetRailType(tile), totype) || IsPlainRailTile(tile))) return CMD_ERROR; truelight@0: belugas@6420: /* 'hidden' elrails can't be downgraded to normal rail when elrails are disabled */ KUDr@5116: if (_patches.disable_elrails && totype == RAILTYPE_RAIL && GetRailType(tile) == RAILTYPE_ELECTRIC) return CMD_ERROR; KUDr@5116: belugas@6420: /* change type. */ truelight@0: if (exec) { tron@3242: SetRailType(tile, totype); truelight@0: MarkTileDirtyByTile(tile); glx@3869: belugas@6420: /* notify YAPF about the track layout change */ rubidium@5587: TrackBits tracks = GetTrackBits(tile); rubidium@5587: while (tracks != TRACK_BIT_NONE) { KUDr@5598: YapfNotifyTrackLayoutChange(tile, RemoveFirstTrack(&tracks)); rubidium@5587: } KUDr@3900: glx@3869: if (IsTileDepotType(tile, TRANSPORT_RAIL)) { glx@4556: Vehicle *v; glx@4556: glx@4556: /* Update build vehicle window related to this depot */ bjarni@4792: InvalidateWindowData(WC_BUILD_VEHICLE, tile); glx@4556: glx@4556: /* update power of trains in this depot */ glx@4556: FOR_ALL_VEHICLES(v) { rubidium@6259: if (v->type == VEH_TRAIN && IsFrontEngine(v) && v->tile == tile && v->u.rail.track == 0x80) { glx@4556: TrainPowerChanged(v); glx@4556: } glx@4556: } glx@3869: } truelight@0: } truelight@0: matthijs@1942: return _price.build_rail / 2; truelight@0: } truelight@0: rubidium@6943: extern CommandCost DoConvertStationRail(TileIndex tile, RailType totype, bool exec); rubidium@6943: extern CommandCost DoConvertStreetRail(TileIndex tile, RailType totype, bool exec); rubidium@6943: extern CommandCost DoConvertTunnelBridgeRail(TileIndex tile, RailType totype, bool exec); truelight@0: Darkvater@1782: /** Convert one rail type to the other. You can convert normal rail to Darkvater@1782: * monorail/maglev easily or vice-versa. tron@3491: * @param tile end tile of rail conversion drag belugas@6483: * @param flags operation to perform Darkvater@1782: * @param p1 start tile of drag Darkvater@1782: * @param p2 new railtype to convert to Darkvater@1782: */ rubidium@6943: CommandCost CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { rubidium@6943: CommandCost ret, cost; rubidium@6943: int32 money; tron@3491: int ex; tron@3491: int ey; Darkvater@1782: int sx, sy, x, y; truelight@0: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: Darkvater@1782: if (!ValParamRailtype(p2)) return CMD_ERROR; tron@2934: if (p1 >= MapSize()) return CMD_ERROR; Darkvater@1782: belugas@6420: /* make sure sx,sy are smaller than ex,ey */ tron@3493: ex = TileX(tile); tron@3493: ey = TileY(tile); tron@3493: sx = TileX(p1); tron@3493: sy = TileY(p1); tron@6106: if (ex < sx) Swap(ex, sx); tron@6106: if (ey < sy) Swap(ey, sy); truelight@201: truelight@0: money = GetAvailableMoneyForCommand(); truelight@0: cost = 0; tron@3881: ret = 0; truelight@201: tron@3493: for (x = sx; x <= ex; ++x) { tron@3493: for (y = sy; y <= ey; ++y) { tron@3493: TileIndex tile = TileXY(x, y); tron@2549: DoConvertRailProc* proc; Darkvater@1782: tron@2549: switch (GetTileType(tile)) { tron@2549: case MP_RAILWAY: proc = DoConvertRail; break; tron@2549: case MP_STATION: proc = DoConvertStationRail; break; tron@2549: case MP_STREET: proc = DoConvertStreetRail; break; tron@2549: case MP_TUNNELBRIDGE: proc = DoConvertTunnelBridgeRail; break; tron@2549: default: continue; tron@2549: } truelight@201: rubidium@5587: ret = proc(tile, (RailType)p2, false); Darkvater@1782: if (CmdFailed(ret)) continue; truelight@0: cost += ret; truelight@0: truelight@0: if (flags & DC_EXEC) { tron@2549: money -= ret; tron@2549: if (money < 0) { tron@2549: _additional_cash_required = ret; tron@2549: return cost - ret; tron@2549: } rubidium@5587: proc(tile, (RailType)p2, true); truelight@0: } truelight@0: } truelight@0: } Darkvater@1782: tron@3881: return (cost == 0) ? ret : cost; truelight@0: } truelight@0: rubidium@6943: static CommandCost RemoveTrainDepot(TileIndex tile, uint32 flags) truelight@0: { darkvater@149: if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER) truelight@0: return CMD_ERROR; truelight@0: belugas@6406: if (!EnsureNoVehicleOnGround(tile)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (flags & DC_EXEC) { tron@3191: DiagDirection dir = GetRailDepotDirection(tile); truelight@0: truelight@4388: DeleteDepot(GetDepotByTile(tile)); tron@3191: UpdateSignalsOnSegment(tile, dir); KUDr@3900: YapfNotifyTrackLayoutChange(tile, TrackdirToTrack(DiagdirToDiagTrackdir(dir))); truelight@0: } truelight@0: truelight@0: return _price.remove_train_depot; truelight@0: } truelight@0: rubidium@6943: static CommandCost ClearTile_Track(TileIndex tile, byte flags) tron@1534: { rubidium@6943: CommandCost cost; rubidium@6943: CommandCost ret; truelight@0: truelight@0: if (flags & DC_AUTO) { tron@1901: if (!IsTileOwner(tile, _current_player)) truelight@0: return_cmd_error(STR_1024_AREA_IS_OWNED_BY_ANOTHER); truelight@0: tron@4182: if (IsPlainRailTile(tile)) { tron@4182: return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK); tron@4182: } else { tron@4182: return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED); tron@4182: } truelight@0: } truelight@0: truelight@0: cost = 0; truelight@201: matthijs@1942: switch (GetRailTileType(tile)) { rubidium@3792: case RAIL_TILE_SIGNALS: rubidium@3792: case RAIL_TILE_NORMAL: { rubidium@5414: TrackBits tracks = GetTrackBits(tile); rubidium@5587: while (tracks != TRACK_BIT_NONE) { KUDr@5598: Track track = RemoveFirstTrack(&tracks); rubidium@5587: ret = DoCommand(tile, 0, track, flags, CMD_REMOVE_SINGLE_RAIL); rubidium@5411: if (CmdFailed(ret)) return CMD_ERROR; rubidium@5411: cost += ret; tron@1534: } tron@1534: return cost; tron@1534: } tron@1534: rubidium@6172: case RAIL_TILE_DEPOT: rubidium@6172: return RemoveTrainDepot(tile, flags); rubidium@6172: rubidium@6172: case RAIL_TILE_WAYPOINT: rubidium@6172: return RemoveTrainWaypoint(tile, flags, false); tron@1534: tron@1534: default: tron@1534: return CMD_ERROR; tron@1534: } truelight@0: } truelight@0: truelight@0: #include "table/track_land.h" truelight@0: glx@6770: static void DrawSingleSignal(TileIndex tile, Track track, byte condition, uint image, uint pos) truelight@0: { rubidium@5587: bool side = (_opt.road_side != 0) && _patches.signal_side; celestar@3502: static const Point SignalPositions[2][12] = { celestar@3502: { /* Signals on the left side */ celestar@3502: /* LEFT LEFT RIGHT RIGHT UPPER UPPER */ celestar@3502: { 8, 5}, {14, 1}, { 1, 14}, { 9, 11}, { 1, 0}, { 3, 10}, celestar@3502: /* LOWER LOWER X X Y Y */ celestar@3502: {11, 4}, {14, 14}, {11, 3}, { 4, 13}, { 3, 4}, {11, 13} celestar@3502: }, { /* Signals on the right side */ celestar@3502: /* LEFT LEFT RIGHT RIGHT UPPER UPPER */ celestar@3502: {14, 1}, {12, 10}, { 4, 6}, { 1, 14}, {10, 4}, { 0, 1}, celestar@3502: /* LOWER LOWER X X Y Y */ celestar@3502: {14, 14}, { 5, 12}, {11, 13}, { 4, 3}, {13, 4}, { 3, 11} celestar@3502: } celestar@3502: }; truelight@0: celestar@3506: static const SpriteID SignalBase[2][2][4] = { celestar@3506: { /* Signals on left side */ celestar@3506: { 0x4FB, 0x1323, 0x1333, 0x1343}, /* light signals */ celestar@3506: { 0x1353, 0x1363, 0x1373, 0x1383} /* semaphores */ celestar@3506: }, { /* Signals on right side */ celestar@3506: { 0x4FB, 0x1323, 0x1333, 0x1343}, /* light signals */ celestar@3506: { 0x1446, 0x1456, 0x1466, 0x1476} /* semaphores */ celestar@3506: /* | | | | */ celestar@3506: /* normal, entry, exit, combo */ celestar@3506: } celestar@3506: }; celestar@3506: celestar@3575: uint x = TileX(tile) * TILE_SIZE + SignalPositions[side][pos].x; celestar@3575: uint y = TileY(tile) * TILE_SIZE + SignalPositions[side][pos].y; celestar@3575: peter1138@3638: SpriteID sprite; peter1138@3638: peter1138@3638: /* _signal_base is set by our NewGRF Action 5 loader. If it is 0 then we peter1138@3638: * just draw the standard signals, else we get the offset from _signal_base peter1138@3638: * and draw that sprite. All the signal sprites are loaded sequentially. */ glx@6770: if (_signal_base == 0 || (GetSignalType(tile, track) == SIGTYPE_NORMAL && GetSignalVariant(tile, track) == SIG_ELECTRIC)) { glx@6770: sprite = SignalBase[side][GetSignalVariant(tile, track)][GetSignalType(tile, track)] + image + condition; peter1138@3638: } else { glx@6770: sprite = _signal_base + (GetSignalType(tile, track) - 1) * 16 + GetSignalVariant(tile, track) * 64 + image + condition; peter1138@3638: } celestar@3575: peter1138@5668: AddSortableSpriteToDraw(sprite, PAL_NONE, x, y, 1, 1, 10, GetSlopeZ(x,y)); truelight@0: } truelight@0: truelight@0: static uint32 _drawtile_track_palette; truelight@0: truelight@0: Darkvater@2436: static void DrawTrackFence_NW(const TileInfo *ti) truelight@0: { peter1138@5668: SpriteID image = 0x515; tron@3636: if (ti->tileh != SLOPE_FLAT) image = (ti->tileh & SLOPE_S) ? 0x519 : 0x51B; peter1138@5668: AddSortableSpriteToDraw(image, _drawtile_track_palette, tron@2951: ti->x, ti->y + 1, 16, 1, 4, ti->z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_SE(const TileInfo *ti) truelight@0: { peter1138@5668: SpriteID image = 0x515; tron@3636: if (ti->tileh != SLOPE_FLAT) image = (ti->tileh & SLOPE_S) ? 0x519 : 0x51B; peter1138@5668: AddSortableSpriteToDraw(image, _drawtile_track_palette, tron@3645: ti->x, ti->y + TILE_SIZE - 1, 16, 1, 4, ti->z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_NW_SE(const TileInfo *ti) truelight@0: { truelight@0: DrawTrackFence_NW(ti); truelight@0: DrawTrackFence_SE(ti); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_NE(const TileInfo *ti) truelight@0: { peter1138@5668: SpriteID image = 0x516; tron@3636: if (ti->tileh != SLOPE_FLAT) image = (ti->tileh & SLOPE_S) ? 0x51A : 0x51C; peter1138@5668: AddSortableSpriteToDraw(image, _drawtile_track_palette, tron@2951: ti->x + 1, ti->y, 1, 16, 4, ti->z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_SW(const TileInfo *ti) truelight@0: { peter1138@5668: SpriteID image = 0x516; tron@3636: if (ti->tileh != SLOPE_FLAT) image = (ti->tileh & SLOPE_S) ? 0x51A : 0x51C; peter1138@5668: AddSortableSpriteToDraw(image, _drawtile_track_palette, tron@3645: ti->x + TILE_SIZE - 1, ti->y, 1, 16, 4, ti->z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_NE_SW(const TileInfo *ti) truelight@0: { truelight@0: DrawTrackFence_NE(ti); truelight@0: DrawTrackFence_SW(ti); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_NS_1(const TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; tron@3645: if (ti->tileh & SLOPE_W) z += TILE_HEIGHT; peter1138@5668: AddSortableSpriteToDraw(0x517, _drawtile_track_palette, tron@3645: ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_NS_2(const TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; tron@3645: if (ti->tileh & SLOPE_E) z += TILE_HEIGHT; peter1138@5668: AddSortableSpriteToDraw(0x517, _drawtile_track_palette, tron@3645: ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_WE_1(const TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; tron@3645: if (ti->tileh & SLOPE_N) z += TILE_HEIGHT; peter1138@5668: AddSortableSpriteToDraw(0x518, _drawtile_track_palette, tron@3645: ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); truelight@0: } truelight@0: Darkvater@2436: static void DrawTrackFence_WE_2(const TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; tron@3645: if (ti->tileh & SLOPE_S) z += TILE_HEIGHT; peter1138@5668: AddSortableSpriteToDraw(0x518, _drawtile_track_palette, tron@3645: ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, 4, z); truelight@0: } truelight@0: tron@4040: tron@4040: static void DrawTrackDetails(const TileInfo* ti) truelight@0: { tron@4040: switch (GetRailGroundType(ti->tile)) { tron@4040: case RAIL_GROUND_FENCE_NW: DrawTrackFence_NW(ti); break; tron@4040: case RAIL_GROUND_FENCE_SE: DrawTrackFence_SE(ti); break; tron@4040: case RAIL_GROUND_FENCE_SENW: DrawTrackFence_NW_SE(ti); break; tron@4040: case RAIL_GROUND_FENCE_NE: DrawTrackFence_NE(ti); break; tron@4040: case RAIL_GROUND_FENCE_SW: DrawTrackFence_SW(ti); break; tron@4040: case RAIL_GROUND_FENCE_NESW: DrawTrackFence_NE_SW(ti); break; tron@4040: case RAIL_GROUND_FENCE_VERT1: DrawTrackFence_NS_1(ti); break; tron@4040: case RAIL_GROUND_FENCE_VERT2: DrawTrackFence_NS_2(ti); break; tron@4040: case RAIL_GROUND_FENCE_HORIZ1: DrawTrackFence_WE_1(ti); break; tron@4040: case RAIL_GROUND_FENCE_HORIZ2: DrawTrackFence_WE_2(ti); break; tron@4040: default: break; tron@4040: } truelight@0: } truelight@0: truelight@0: peter1138@2472: /** peter1138@2472: * Draw ground sprite and track bits peter1138@2472: * @param ti TileInfo peter1138@2472: * @param track TrackBits to draw peter1138@2472: */ tron@4081: static void DrawTrackBits(TileInfo* ti, TrackBits track) peter1138@2472: { peter1138@2472: const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile)); peter1138@5668: SpriteID image; peter1138@5668: SpriteID pal = PAL_NONE; peter1138@2472: bool junction = false; peter1138@2472: belugas@6420: /* Select the sprite to use. */ tron@3102: (image = rti->base_sprites.track_y, track == TRACK_BIT_Y) || tron@3102: (image++, track == TRACK_BIT_X) || peter1138@2472: (image++, track == TRACK_BIT_UPPER) || peter1138@2472: (image++, track == TRACK_BIT_LOWER) || peter1138@2472: (image++, track == TRACK_BIT_RIGHT) || peter1138@2472: (image++, track == TRACK_BIT_LEFT) || tron@3258: (image++, track == TRACK_BIT_CROSS) || peter1138@2472: tron@3258: (image = rti->base_sprites.track_ns, track == TRACK_BIT_HORZ) || tron@3258: (image++, track == TRACK_BIT_VERT) || peter1138@2472: peter1138@2472: (junction = true, false) || tron@3258: (image = rti->base_sprites.ground, (track & TRACK_BIT_3WAY_NE) == 0) || tron@3258: (image++, (track & TRACK_BIT_3WAY_SW) == 0) || tron@3258: (image++, (track & TRACK_BIT_3WAY_NW) == 0) || tron@3258: (image++, (track & TRACK_BIT_3WAY_SE) == 0) || peter1138@2472: (image++, true); peter1138@2472: tron@3636: if (ti->tileh != SLOPE_FLAT) { tron@4081: uint foundation = GetRailFoundation(ti->tileh, track); peter1138@2472: tron@4077: if (foundation != 0) DrawFoundation(ti, foundation); peter1138@2472: belugas@6420: /* DrawFoundation() modifies it. belugas@6420: * Default sloped sprites.. */ tron@3636: if (ti->tileh != SLOPE_FLAT) peter1138@2472: image = _track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.track_y; peter1138@2472: } peter1138@2472: tron@4466: switch (GetRailGroundType(ti->tile)) { peter1138@5668: case RAIL_GROUND_BARREN: pal = PALETTE_TO_BARE_LAND; break; tron@4466: case RAIL_GROUND_ICE_DESERT: image += rti->snow_offset; break; tron@4466: default: break; peter1138@2472: } peter1138@2472: peter1138@5668: DrawGroundSprite(image, pal); peter1138@2472: belugas@6420: /* Draw track pieces individually for junction tiles */ peter1138@2472: if (junction) { peter1138@5668: if (track & TRACK_BIT_X) DrawGroundSprite(rti->base_sprites.single_y, PAL_NONE); peter1138@5668: if (track & TRACK_BIT_Y) DrawGroundSprite(rti->base_sprites.single_x, PAL_NONE); peter1138@5668: if (track & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n, PAL_NONE); peter1138@5668: if (track & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s, PAL_NONE); peter1138@5668: if (track & TRACK_BIT_LEFT) DrawGroundSprite(rti->base_sprites.single_w, PAL_NONE); peter1138@5668: if (track & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e, PAL_NONE); peter1138@2472: } celestar@3355: belugas@3361: if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) DrawCatenary(ti); celestar@3355: peter1138@2472: } peter1138@2472: celestar@3519: static void DrawSignals(TileIndex tile, TrackBits rails) celestar@3519: { glx@6770: #define MAYBE_DRAW_SIGNAL(x,y,z,t) if (IsSignalPresent(tile, x)) DrawSingleSignal(tile, t, GetSingleSignalState(tile, x), y - 0x4FB, z) celestar@3519: celestar@3519: if (!(rails & TRACK_BIT_Y)) { celestar@3519: if (!(rails & TRACK_BIT_X)) { celestar@3519: if (rails & TRACK_BIT_LEFT) { glx@6770: MAYBE_DRAW_SIGNAL(2, 0x509, 0, TRACK_LEFT); glx@6770: MAYBE_DRAW_SIGNAL(3, 0x507, 1, TRACK_LEFT); celestar@3519: } celestar@3519: if (rails & TRACK_BIT_RIGHT) { glx@6770: MAYBE_DRAW_SIGNAL(0, 0x509, 2, TRACK_RIGHT); glx@6770: MAYBE_DRAW_SIGNAL(1, 0x507, 3, TRACK_RIGHT); celestar@3519: } celestar@3519: if (rails & TRACK_BIT_UPPER) { glx@6770: MAYBE_DRAW_SIGNAL(3, 0x505, 4, TRACK_UPPER); glx@6770: MAYBE_DRAW_SIGNAL(2, 0x503, 5, TRACK_UPPER); celestar@3519: } celestar@3519: if (rails & TRACK_BIT_LOWER) { glx@6770: MAYBE_DRAW_SIGNAL(1, 0x505, 6, TRACK_LOWER); glx@6770: MAYBE_DRAW_SIGNAL(0, 0x503, 7, TRACK_LOWER); celestar@3519: } celestar@3519: } else { glx@6770: MAYBE_DRAW_SIGNAL(3, 0x4FB, 8, TRACK_X); glx@6770: MAYBE_DRAW_SIGNAL(2, 0x4FD, 9, TRACK_X); celestar@3519: } celestar@3519: } else { glx@6770: MAYBE_DRAW_SIGNAL(3, 0x4FF, 10, TRACK_Y); glx@6770: MAYBE_DRAW_SIGNAL(2, 0x501, 11, TRACK_Y); celestar@3519: } celestar@3519: } celestar@3519: truelight@0: static void DrawTile_Track(TileInfo *ti) truelight@0: { celestar@2233: const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile)); peter1138@5668: SpriteID image; truelight@0: peter1138@5668: _drawtile_track_palette = PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)); truelight@0: tron@4182: if (IsPlainRailTile(ti->tile)) { tron@3267: TrackBits rails = GetTrackBits(ti->tile); truelight@201: tron@4081: DrawTrackBits(ti, rails); hackykid@2008: peter1138@6591: if (HASBIT(_display_opt, DO_FULL_DETAIL)) DrawTrackDetails(ti); truelight@0: tron@4182: if (HasSignals(ti->tile)) DrawSignals(ti->tile, rails); truelight@0: } else { belugas@6420: /* draw depot/waypoint */ tron@4225: const DrawTileSprites* dts; tron@4225: const DrawTileSeqStruct* dtss; tron@4225: uint32 relocation; truelight@0: tron@3636: if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, ti->tileh); truelight@0: rubidium@6172: if (IsRailDepot(ti->tile)) { tron@4225: dts = &_depot_gfx_table[GetRailDepotDirection(ti->tile)]; tron@4225: tron@4225: relocation = rti->total_offset; tron@4225: tron@4225: image = dts->ground_sprite; tron@4225: if (image != SPR_FLAT_GRASS_TILE) image += rti->total_offset; tron@4225: belugas@6420: /* adjust ground tile for desert belugas@6420: * don't adjust for snow, because snow in depots looks weird */ belugas@6357: if (IsSnowRailGround(ti->tile) && _opt.landscape == LT_TROPIC) { tron@4225: if (image != SPR_FLAT_GRASS_TILE) { tron@4225: image += rti->snow_offset; // tile with tracks tron@4225: } else { tron@4225: image = SPR_FLAT_SNOWY_TILE; // flat ground tron@4225: } tron@4225: } tron@4225: } else { belugas@6420: /* look for customization */ peter1138@2670: byte stat_id = GetWaypointByTile(ti->tile)->stat_id; belugas@3676: const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, stat_id); celestar@389: belugas@3676: if (statspec != NULL) { belugas@6420: /* emulate station tile - open with building */ tron@4225: const Station* st = ComposeWaypointStation(ti->tile); tron@4225: uint gfx = 2; peter1138@3757: peter1138@3757: if (HASBIT(statspec->callbackmask, CBM_CUSTOM_LAYOUT)) { peter1138@3757: uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile); tron@4225: if (callback != CALLBACK_FAILED) gfx = callback; peter1138@3757: } peter1138@3757: peter1138@3763: if (statspec->renderdata == NULL) { tron@4225: dts = GetStationTileLayout(gfx); peter1138@3763: } else { tron@4225: dts = &statspec->renderdata[(gfx < statspec->tiles ? gfx : 0) + GetWaypointAxis(ti->tile)]; peter1138@3763: } celestar@447: tron@4225: if (dts != NULL && dts->seq != NULL) { tron@4225: relocation = GetCustomStationRelocation(statspec, st, ti->tile); tron@4225: tron@4225: image = dts->ground_sprite; peter1138@5738: if (HASBIT(image, SPRITE_MODIFIER_USE_OFFSET)) { peter1138@3775: image += GetCustomStationGroundRelocation(statspec, st, ti->tile); peter1138@3775: image += rti->custom_ground_offset; peter1138@3775: } else { peter1138@3775: image += rti->total_offset; peter1138@3775: } tron@4225: } else { tron@4225: goto default_waypoint; celestar@389: } tron@2549: } else { tron@4225: default_waypoint: belugas@6420: /* There is no custom layout, fall back to the default graphics */ tron@4225: dts = &_waypoint_gfx_table[GetWaypointAxis(ti->tile)]; tron@4225: relocation = 0; tron@4225: image = dts->ground_sprite + rti->total_offset; tron@4225: if (IsSnowRailGround(ti->tile)) image += rti->snow_offset; tron@2549: } truelight@0: } truelight@0: peter1138@5668: DrawGroundSprite(image, PAL_NONE); truelight@0: celestar@3355: if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) DrawCatenary(ti); celestar@3355: tron@4225: foreach_draw_tile_seq(dtss, dts->seq) { peter1138@5738: SpriteID image = dtss->image; peter1138@5668: SpriteID pal; tron@4225: peter1138@5738: /* Unlike stations, our default waypoint has no variation for peter1138@5738: * different railtype, so don't use the railtype offset if peter1138@5738: * no relocation is set */ peter1138@5738: if (HASBIT(image, SPRITE_MODIFIER_USE_OFFSET)) { peter1138@5738: image += rti->total_offset; peter1138@5738: } else { peter1138@5738: image += relocation; peter1138@5738: } peter1138@5738: peter1138@6427: if (HASBIT(_transparent_opt, TO_BUILDINGS)) { peter1138@5668: SETBIT(image, PALETTE_MODIFIER_TRANSPARENT); peter1138@5668: pal = PALETTE_TO_TRANSPARENT; peter1138@5668: } else if (HASBIT(image, PALETTE_MODIFIER_COLOR)) { peter1138@5668: pal = _drawtile_track_palette; peter1138@5668: } else { peter1138@5668: pal = dtss->pal; tron@4225: } peter1138@5668: peter1138@5738: if ((byte)dtss->delta_z != 0x80) { peter1138@5738: AddSortableSpriteToDraw( peter1138@5738: image, pal, peter1138@5738: ti->x + dtss->delta_x, ti->y + dtss->delta_y, peter1138@5738: dtss->size_x, dtss->size_y, peter1138@5738: dtss->size_z, ti->z + dtss->delta_z peter1138@5738: ); peter1138@5738: } else { peter1138@5738: AddChildSpriteScreen(image, pal, dtss->delta_x, dtss->delta_y); peter1138@5738: } truelight@0: } truelight@0: } celestar@5385: DrawBridgeMiddle(ti); truelight@0: } truelight@0: truelight@0: peter1138@5668: static void DrawTileSequence(int x, int y, SpriteID ground, const DrawTileSeqStruct* dtss, uint32 offset) tron@4225: { peter1138@5668: SpriteID palette = PLAYER_SPRITE_COLOR(_local_player); truelight@0: peter1138@5668: DrawSprite(ground, PAL_NONE, x, y); tron@4225: for (; dtss->image != 0; dtss++) { tron@4225: Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z); peter1138@5668: SpriteID image = dtss->image + offset; truelight@0: peter1138@5668: DrawSprite(image, HASBIT(image, PALETTE_MODIFIER_COLOR) ? palette : PAL_NONE, x + pt.x, y + pt.y); truelight@0: } truelight@0: } truelight@0: tron@4225: void DrawTrainDepotSprite(int x, int y, int dir, RailType railtype) tron@4225: { tron@4225: const DrawTileSprites* dts = &_depot_gfx_table[dir]; peter1138@5668: SpriteID image = dts->ground_sprite; tron@4225: uint32 offset = GetRailTypeInfo(railtype)->total_offset; tron@4225: tron@4225: if (image != SPR_FLAT_GRASS_TILE) image += offset; tron@4225: DrawTileSequence(x + 33, y + 17, image, dts->seq, offset); tron@4225: } tron@4225: tron@2520: void DrawDefaultWaypointSprite(int x, int y, RailType railtype) ludde@2261: { tron@4225: uint32 offset = GetRailTypeInfo(railtype)->total_offset; tron@4225: const DrawTileSprites* dts = &_waypoint_gfx_table[AXIS_X]; ludde@2261: tron@4225: DrawTileSequence(x, y, dts->ground_sprite + offset, dts->seq, 0); ludde@2261: } ludde@2261: rubidium@6248: struct SetSignalsData { truelight@0: int cur; truelight@0: int cur_stack; truelight@0: bool stop; truelight@0: bool has_presignal; truelight@201: belugas@6420: /* presignal info */ truelight@0: int presignal_exits; truelight@0: int presignal_exits_free; truelight@0: belugas@6420: /* these are used to keep track of the signals that change. */ rubidium@5587: TrackdirByte bit[NUM_SSD_ENTRY]; truelight@0: TileIndex tile[NUM_SSD_ENTRY]; truelight@0: belugas@6420: /* these are used to keep track of the stack that modifies presignals recursively */ truelight@0: TileIndex next_tile[NUM_SSD_STACK]; rubidium@5587: DiagDirectionByte next_dir[NUM_SSD_STACK]; truelight@0: rubidium@6248: }; truelight@0: rubidium@5587: static bool SetSignalsEnumProc(TileIndex tile, void* data, Trackdir trackdir, uint length, byte* state) truelight@0: { rubidium@5587: SetSignalsData* ssd = (SetSignalsData*)data; glx@6770: Track track = TrackdirToTrack(trackdir); tron@4479: tron@3017: if (!IsTileType(tile, MP_RAILWAY)) return false; tron@3017: belugas@6420: /* the tile has signals? */ glx@6770: if (HasSignalOnTrack(tile, track)) { rubidium@5587: if (HasSignalOnTrackdir(tile, ReverseTrackdir(trackdir))) { belugas@6420: /* yes, add the signal to the list of signals */ tron@3017: if (ssd->cur != NUM_SSD_ENTRY) { tron@3017: ssd->tile[ssd->cur] = tile; // remember the tile index rubidium@5587: ssd->bit[ssd->cur] = trackdir; // and the controlling bit number tron@3017: ssd->cur++; matthijs@1942: } truelight@0: belugas@6420: /* remember if this block has a presignal. */ glx@6770: ssd->has_presignal |= IsPresignalEntry(tile, track); tron@3017: } matthijs@1942: glx@6770: if (HasSignalOnTrackdir(tile, trackdir) && IsPresignalExit(tile, track)) { belugas@6420: /* this is an exit signal that points out from the segment */ tron@3017: ssd->presignal_exits++; rubidium@5587: if (GetSignalStateByTrackdir(tile, trackdir) != SIGNAL_STATE_RED) tron@3017: ssd->presignal_exits_free++; tron@2549: } tron@3017: tron@3017: return true; tron@3017: } else if (IsTileDepotType(tile, TRANSPORT_RAIL)) { tron@3017: return true; // don't look further if the tile is a depot truelight@0: } tron@3017: truelight@0: return false; truelight@0: } truelight@0: truelight@1555: /* Struct to parse data from VehicleFromPos to SignalVehicleCheckProc */ rubidium@6248: struct SignalVehicleCheckStruct { truelight@1555: TileIndex tile; truelight@1555: uint track; rubidium@6248: }; truelight@1555: truelight@1555: static void *SignalVehicleCheckProc(Vehicle *v, void *data) truelight@1555: { rubidium@5587: const SignalVehicleCheckStruct* dest = (SignalVehicleCheckStruct*)data; truelight@1555: rubidium@6259: if (v->type != VEH_TRAIN) return NULL; truelight@1609: truelight@1555: /* Wrong tile, or no train? Not a match */ celestar@5385: if (v->tile != dest->tile) return NULL; truelight@1555: truelight@1555: /* Are we on the same piece of track? */ tron@4077: if (dest->track & v->u.rail.track * 0x101) return v; truelight@1555: truelight@1555: return NULL; truelight@1555: } truelight@1555: truelight@1555: /* Special check for SetSignalsAfterProc, to see if there is a vehicle on this tile */ tron@2752: static bool SignalVehicleCheck(TileIndex tile, uint track) truelight@1555: { truelight@1555: SignalVehicleCheckStruct dest; truelight@1555: truelight@1555: dest.tile = tile; truelight@1555: dest.track = track; truelight@1555: celestar@5385: /* Locate vehicles in tunnels or on bridges */ celestar@5385: if (IsTunnelTile(tile) || IsBridgeTile(tile)) { celestar@5385: TileIndex end; celestar@5385: DiagDirection direction; celestar@5385: celestar@5385: if (IsTunnelTile(tile)) { celestar@5385: end = GetOtherTunnelEnd(tile); celestar@5385: direction = GetTunnelDirection(tile); celestar@5385: } else { celestar@5385: end = GetOtherBridgeEnd(tile); celestar@5385: direction = GetBridgeRampDirection(tile); celestar@5385: } tron@3154: matthijs@1816: dest.track = 1 << (direction & 1); // get the trackbit the vehicle would have if it has not entered the tunnel yet (ie is still visible) matthijs@1816: belugas@6420: /* check for a vehicle with that trackdir on the start tile of the tunnel */ Darkvater@1818: if (VehicleFromPos(tile, &dest, SignalVehicleCheckProc) != NULL) return true; matthijs@1816: belugas@6420: /* check for a vehicle with that trackdir on the end tile of the tunnel */ tron@3154: if (VehicleFromPos(end, &dest, SignalVehicleCheckProc) != NULL) return true; matthijs@1816: belugas@6420: /* now check all tiles from start to end for a warping vehicle belugas@6420: * NOTE: the hashes for tiles may overlap, so this could maybe be optimised a bit by not checking every tile? */ celestar@5385: dest.track = 0x40; //Vehicle inside a tunnel or on a bridge Darkvater@4559: for (; tile != end; tile += TileOffsByDiagDir(direction)) { matthijs@1816: if (VehicleFromPos(tile, &dest, SignalVehicleCheckProc) != NULL) matthijs@1816: return true; matthijs@1816: } matthijs@1816: belugas@6420: /* no vehicle found */ matthijs@1816: return false; Darkvater@1818: } Darkvater@1818: Darkvater@1818: return VehicleFromPos(tile, &dest, SignalVehicleCheckProc) != NULL; truelight@1555: } truelight@1555: truelight@0: static void SetSignalsAfterProc(TrackPathFinder *tpf) truelight@0: { rubidium@5587: SetSignalsData *ssd = (SetSignalsData*)tpf->userdata; tron@2548: const TrackPathFinderLink* link; truelight@1555: uint offs; truelight@1555: uint i; truelight@0: truelight@0: ssd->stop = false; truelight@201: truelight@1555: /* Go through all the PF tiles */ truelight@1555: for (i = 0; i < lengthof(tpf->hash_head); i++) { truelight@1555: /* Empty hash item */ tron@2639: if (tpf->hash_head[i] == 0) continue; truelight@0: truelight@1555: /* If 0x8000 is not set, there is only 1 item */ truelight@1555: if (!(tpf->hash_head[i] & 0x8000)) { truelight@1555: /* Check if there is a vehicle on this tile */ truelight@1555: if (SignalVehicleCheck(tpf->hash_tile[i], tpf->hash_head[i])) { truelight@1555: ssd->stop = true; truelight@1555: return; truelight@1555: } truelight@0: } else { truelight@1555: /* There are multiple items, where hash_tile points to the first item in the list */ truelight@1555: offs = tpf->hash_tile[i]; truelight@0: do { truelight@1555: /* Find the next item */ truelight@0: link = PATHFIND_GET_LINK_PTR(tpf, offs); truelight@1555: /* Check if there is a vehicle on this tile */ truelight@1555: if (SignalVehicleCheck(link->tile, link->flags)) { truelight@1555: ssd->stop = true; truelight@1555: return; truelight@0: } truelight@1555: /* Goto the next item */ tron@2951: } while ((offs = link->next) != 0xFFFF); truelight@0: } truelight@0: } truelight@0: } truelight@0: rubidium@5587: static const DiagDirection _dir_from_track[14] = { rubidium@5587: DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_NE, rubidium@5587: DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NW, DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, truelight@0: }; truelight@0: truelight@0: truelight@0: static void ChangeSignalStates(SetSignalsData *ssd) truelight@0: { truelight@0: int i; truelight@0: belugas@6420: /* thinking about presignals... belugas@6420: * the presignal is green if, belugas@6420: * if no train is in the segment AND belugas@6420: * there is at least one green exit signal OR belugas@6420: * there are no exit signals in the segment */ truelight@0: belugas@6420: /* then mark the signals in the segment accordingly */ tron@2549: for (i = 0; i != ssd->cur; i++) { tron@1977: TileIndex tile = ssd->tile[i]; matthijs@2821: byte bit = SignalAgainstTrackdir(ssd->bit[i]); rubidium@6753: uint signals = GetSignalStates(tile); glx@6770: Track track = TrackdirToTrack(ssd->bit[i]); truelight@0: belugas@6420: /* presignals don't turn green if there is at least one presignal exit and none are free */ glx@6770: if (IsPresignalEntry(tile, track)) { truelight@0: int ex = ssd->presignal_exits, exfree = ssd->presignal_exits_free; truelight@0: belugas@6420: /* subtract for dual combo signals so they don't count themselves */ glx@6770: if (IsPresignalExit(tile, track) && HasSignalOnTrackdir(tile, ssd->bit[i])) { truelight@0: ex--; celestar@3520: if (GetSignalStateByTrackdir(tile, ssd->bit[i]) != SIGNAL_STATE_RED) exfree--; truelight@0: } truelight@0: belugas@6420: /* if we have exits and none are free, make red. */ truelight@0: if (ex && !exfree) goto make_red; truelight@0: } truelight@0: belugas@6420: /* check if the signal is unaffected. */ truelight@0: if (ssd->stop) { truelight@0: make_red: belugas@6420: /* turn red */ rubidium@6753: if ((bit & signals) == 0) continue; truelight@0: } else { belugas@6420: /* turn green */ rubidium@6753: if ((bit & signals) != 0) continue; truelight@0: } truelight@0: Darkvater@1813: /* Update signals on the other side of this exit-combo signal; it changed. */ glx@6770: if (IsPresignalExit(tile, track)) { truelight@0: if (ssd->cur_stack != NUM_SSD_STACK) { truelight@0: ssd->next_tile[ssd->cur_stack] = tile; truelight@0: ssd->next_dir[ssd->cur_stack] = _dir_from_track[ssd->bit[i]]; truelight@0: ssd->cur_stack++; truelight@0: } else { Darkvater@5380: DEBUG(misc, 0, "NUM_SSD_STACK too small"); /// @todo WTF is this??? truelight@0: } truelight@0: } truelight@201: belugas@6420: /* it changed, so toggle it */ rubidium@6753: SetSignalStates(tile, signals ^ bit); truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: truelight@0: tron@3172: bool UpdateSignalsOnSegment(TileIndex tile, DiagDirection direction) truelight@0: { truelight@0: SetSignalsData ssd; truelight@0: int result = -1; truelight@0: truelight@0: ssd.cur_stack = 0; truelight@0: tron@2951: for (;;) { belugas@6420: /* go through one segment and update all signals pointing into that segment. */ Darkvater@2916: ssd.cur = ssd.presignal_exits = ssd.presignal_exits_free = 0; truelight@0: ssd.has_presignal = false; truelight@0: rubidium@6683: FollowTrack(tile, 0xC000 | TRANSPORT_RAIL, 0, direction, SetSignalsEnumProc, SetSignalsAfterProc, &ssd); truelight@0: ChangeSignalStates(&ssd); truelight@0: belugas@6420: /* remember the result only for the first iteration. */ KUDr@3900: if (result < 0) { belugas@6420: /* stay in depot while segment is occupied or while all presignal exits are blocked */ KUDr@3900: result = ssd.stop || (ssd.presignal_exits > 0 && ssd.presignal_exits_free == 0); KUDr@3900: } truelight@201: belugas@6420: /* if any exit signals were changed, we need to keep going to modify the stuff behind those. */ tron@2639: if (ssd.cur_stack == 0) break; truelight@0: belugas@6420: /* one or more exit signals were changed, so we need to update another segment too. */ truelight@0: tile = ssd.next_tile[--ssd.cur_stack]; truelight@0: direction = ssd.next_dir[ssd.cur_stack]; truelight@0: } truelight@201: tron@3017: return result != 0; truelight@0: } truelight@0: tron@1977: void SetSignalsOnBothDir(TileIndex tile, byte track) truelight@0: { tron@3172: static const DiagDirection _search_dir_1[] = { tron@3172: DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE tron@3172: }; tron@3172: static const DiagDirection _search_dir_2[] = { tron@3172: DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NW, DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE tron@3172: }; truelight@0: truelight@0: UpdateSignalsOnSegment(tile, _search_dir_1[track]); truelight@0: UpdateSignalsOnSegment(tile, _search_dir_2[track]); truelight@0: } truelight@0: tron@4231: static uint GetSlopeZ_Track(TileIndex tile, uint x, uint y) truelight@0: { tron@4231: uint z; tron@4231: Slope tileh = GetTileSlope(tile, &z); tron@2951: tron@3636: if (tileh == SLOPE_FLAT) return z; tron@4231: if (IsPlainRailTile(tile)) { tron@4231: uint f = GetRailFoundation(tileh, GetTrackBits(tile)); tron@3286: tron@3286: if (f != 0) { tron@4246: if (IsSteepSlope(tileh)) { tron@4246: z += TILE_HEIGHT; tron@4246: } else if (f < 15) { tron@4246: return z + TILE_HEIGHT; // leveled foundation tron@4246: } tron@3286: tileh = _inclined_tileh[f - 15]; // inclined foundation truelight@0: } tron@4231: return z + GetPartialZ(x & 0xF, y & 0xF, tileh); tron@4182: } else { tron@4182: return z + TILE_HEIGHT; truelight@0: } truelight@0: } truelight@0: tron@3636: static Slope GetSlopeTileh_Track(TileIndex tile, Slope tileh) dominik@39: { tron@3636: if (tileh == SLOPE_FLAT) return SLOPE_FLAT; tron@4182: if (IsPlainRailTile(tile)) { tron@3418: uint f = GetRailFoundation(tileh, GetTrackBits(tile)); tron@3286: tron@3418: if (f == 0) return tileh; tron@3636: if (f < 15) return SLOPE_FLAT; // leveled foundation tron@3286: return _inclined_tileh[f - 15]; // inclined foundation tron@4182: } else { tron@4182: return SLOPE_FLAT; dominik@39: } dominik@39: } dominik@39: tron@1977: static void GetAcceptedCargo_Track(TileIndex tile, AcceptedCargo ac) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: tron@1977: static void AnimateTile_Track(TileIndex tile) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: tron@1977: static void TileLoop_Track(TileIndex tile) truelight@0: { celestar@3523: RailGroundType old_ground = GetRailGroundType(tile); tron@4483: RailGroundType new_ground; truelight@0: tron@2631: switch (_opt.landscape) { belugas@6357: case LT_ARCTIC: maedhros@6343: if (GetTileZ(tile) > GetSnowLine()) { Darkvater@3562: new_ground = RAIL_GROUND_ICE_DESERT; tron@4482: goto set_ground; Darkvater@3562: } tron@2631: break; truelight@0: belugas@6357: case LT_TROPIC: Darkvater@3562: if (GetTropicZone(tile) == TROPICZONE_DESERT) { Darkvater@3562: new_ground = RAIL_GROUND_ICE_DESERT; tron@4482: goto set_ground; Darkvater@3562: } celestar@3523: break; celestar@3523: } celestar@3523: tron@4182: if (!IsPlainRailTile(tile)) return; truelight@0: celestar@3523: new_ground = RAIL_GROUND_GRASS; truelight@0: belugas@6420: if (old_ground != RAIL_GROUND_BARREN) { // wait until bottom is green truelight@0: /* determine direction of fence */ tron@3267: TrackBits rail = GetTrackBits(tile); truelight@0: tron@2839: switch (rail) { tron@2839: case TRACK_BIT_UPPER: new_ground = RAIL_GROUND_FENCE_HORIZ1; break; tron@2839: case TRACK_BIT_LOWER: new_ground = RAIL_GROUND_FENCE_HORIZ2; break; tron@2839: case TRACK_BIT_LEFT: new_ground = RAIL_GROUND_FENCE_VERT1; break; tron@2839: case TRACK_BIT_RIGHT: new_ground = RAIL_GROUND_FENCE_VERT2; break; truelight@0: tron@2839: default: { tron@2839: PlayerID owner = GetTileOwner(tile); truelight@0: tron@2839: if (rail == (TRACK_BIT_LOWER | TRACK_BIT_RIGHT) || ( tron@3258: (rail & TRACK_BIT_3WAY_NW) == 0 && tron@3102: (rail & TRACK_BIT_X) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(0, -1); celestar@3524: TrackBits nrail = GetTrackBits(n); truelight@0: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || celestar@3524: nrail == TRACK_BIT_UPPER || celestar@3524: nrail == TRACK_BIT_LEFT) { tron@2839: new_ground = RAIL_GROUND_FENCE_NW; tron@2839: } tron@2839: } tron@2839: tron@2839: if (rail == (TRACK_BIT_UPPER | TRACK_BIT_LEFT) || ( tron@3258: (rail & TRACK_BIT_3WAY_SE) == 0 && tron@3102: (rail & TRACK_BIT_X) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(0, 1); celestar@3524: TrackBits nrail = GetTrackBits(n); tron@2839: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || celestar@3524: nrail == TRACK_BIT_LOWER || celestar@3524: nrail == TRACK_BIT_RIGHT) { tron@2839: new_ground = (new_ground == RAIL_GROUND_FENCE_NW) ? tron@2839: RAIL_GROUND_FENCE_SENW : RAIL_GROUND_FENCE_SE; tron@2839: } tron@2839: } tron@2839: tron@2839: if (rail == (TRACK_BIT_LOWER | TRACK_BIT_LEFT) || ( tron@3258: (rail & TRACK_BIT_3WAY_NE) == 0 && tron@3102: (rail & TRACK_BIT_Y) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(-1, 0); celestar@3524: TrackBits nrail = GetTrackBits(n); tron@2839: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || celestar@3524: nrail == TRACK_BIT_UPPER || celestar@3524: nrail == TRACK_BIT_RIGHT) { tron@2839: new_ground = RAIL_GROUND_FENCE_NE; tron@2839: } tron@2839: } tron@2839: tron@2839: if (rail == (TRACK_BIT_UPPER | TRACK_BIT_RIGHT) || ( tron@3265: (rail & TRACK_BIT_3WAY_SW) == 0 && tron@3102: (rail & TRACK_BIT_Y) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(1, 0); celestar@3524: TrackBits nrail = GetTrackBits(n); tron@2839: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || celestar@3524: nrail == TRACK_BIT_LOWER || celestar@3524: nrail == TRACK_BIT_LEFT) { tron@2839: new_ground = (new_ground == RAIL_GROUND_FENCE_NE) ? tron@2839: RAIL_GROUND_FENCE_NESW : RAIL_GROUND_FENCE_SW; tron@2839: } tron@2839: } tron@2839: break; truelight@0: } truelight@0: } truelight@0: } truelight@0: tron@4482: set_ground: peter1138@2667: if (old_ground != new_ground) { celestar@3523: SetRailGroundType(tile, new_ground); truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: truelight@0: rubidium@6683: static uint32 GetTileTrackStatus_Track(TileIndex tile, TransportType mode, uint sub_mode) tron@1977: { tron@2639: if (mode != TRANSPORT_RAIL) return 0; truelight@0: rubidium@6187: switch (GetRailTileType(tile)) { rubidium@6187: default: NOT_REACHED(); rubidium@6187: case RAIL_TILE_NORMAL: { rubidium@6187: TrackBits rails = GetTrackBits(tile); rubidium@6187: uint32 ret = rails * 0x101; rubidium@6187: return (rails == TRACK_BIT_CROSS) ? ret | 0x40 : ret; rubidium@6187: } tron@3267: rubidium@6187: case RAIL_TILE_SIGNALS: { rubidium@6187: uint32 ret = GetTrackBits(tile) * 0x101; rubidium@6753: byte a = GetPresentSignals(tile); rubidium@6753: uint b = GetSignalStates(tile); truelight@0: truelight@0: b &= a; truelight@0: darkvater@22: /* When signals are not present (in neither darkvater@22: * direction), we pretend them to be green. (So if darkvater@22: * signals are only one way, the other way will darkvater@22: * implicitely become `red' */ rubidium@6753: if ((a & 0xC) == 0) b |= 0xC; rubidium@6753: if ((a & 0x3) == 0) b |= 0x3; truelight@0: rubidium@6753: if ((b & 0x8) == 0) ret |= 0x10070000; rubidium@6753: if ((b & 0x4) == 0) ret |= 0x07100000; rubidium@6753: if ((b & 0x2) == 0) ret |= 0x20080000; rubidium@6753: if ((b & 0x1) == 0) ret |= 0x08200000; rubidium@6187: rubidium@6187: return ret; truelight@0: } rubidium@6187: rubidium@6187: case RAIL_TILE_DEPOT: return AxisToTrackBits(DiagDirToAxis(GetRailDepotDirection(tile))) * 0x101; rubidium@6187: case RAIL_TILE_WAYPOINT: return GetRailWaypointBits(tile) * 0x101; tron@3267: } truelight@0: } truelight@0: tron@1977: static void ClickTile_Track(TileIndex tile) truelight@0: { rubidium@6187: switch (GetRailTileType(tile)) { rubidium@6259: case RAIL_TILE_DEPOT: ShowDepotWindow(tile, VEH_TRAIN); break; rubidium@6187: case RAIL_TILE_WAYPOINT: ShowRenameWaypointWindow(GetWaypointByTile(tile)); break; rubidium@6187: default: break; tron@2548: } truelight@0: } truelight@0: tron@1590: static void GetTileDesc_Track(TileIndex tile, TileDesc *td) truelight@0: { tron@1901: td->owner = GetTileOwner(tile); matthijs@1942: switch (GetRailTileType(tile)) { rubidium@3792: case RAIL_TILE_NORMAL: truelight@0: td->str = STR_1021_RAILROAD_TRACK; tron@1590: break; tron@1590: rubidium@3792: case RAIL_TILE_SIGNALS: { glx@6770: const StringID signal_type[4][4] = { glx@6770: { glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_SIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_PRESIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_EXITSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_COMBOSIGNALS glx@6770: }, glx@6770: { glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_PRESIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_PRESIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_PRE_EXITSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_PRE_COMBOSIGNALS glx@6770: }, glx@6770: { glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_EXITSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_PRE_EXITSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_EXITSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_EXIT_COMBOSIGNALS glx@6770: }, glx@6770: { glx@6770: STR_RAILROAD_TRACK_WITH_NORMAL_COMBOSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_PRE_COMBOSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_EXIT_COMBOSIGNALS, glx@6770: STR_RAILROAD_TRACK_WITH_COMBOSIGNALS glx@6770: } tron@1590: }; tron@1590: glx@6770: td->str = signal_type[GetSignalType(tile, TRACK_UPPER)][GetSignalType(tile, TRACK_LOWER)]; tron@1590: break; truelight@0: } tron@1590: rubidium@6172: case RAIL_TILE_DEPOT: rubidium@6172: td->str = STR_1023_RAILROAD_TRAIN_DEPOT; rubidium@6172: break; rubidium@6172: rubidium@6172: case RAIL_TILE_WAYPOINT: tron@1590: default: rubidium@6172: td->str = STR_LANDINFO_WAYPOINT; tron@1590: break; truelight@0: } truelight@0: } truelight@0: Darkvater@2436: static void ChangeTileOwner_Track(TileIndex tile, PlayerID old_player, PlayerID new_player) truelight@0: { tron@1901: if (!IsTileOwner(tile, old_player)) return; truelight@201: Darkvater@4848: if (new_player != PLAYER_SPECTATOR) { tron@1902: SetTileOwner(tile, new_player); rubidium@4434: } else { tron@3491: DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); truelight@0: } truelight@0: } truelight@0: truelight@0: static const byte _fractcoords_behind[4] = { 0x8F, 0x8, 0x80, 0xF8 }; truelight@0: static const byte _fractcoords_enter[4] = { 0x8A, 0x48, 0x84, 0xA8 }; rubidium@5587: static const signed char _deltacoord_leaveoffset[8] = { hackykid@1922: -1, 0, 1, 0, /* x */ hackykid@1922: 0, 1, 0, -1 /* y */ hackykid@1922: }; truelight@0: tron@1977: static uint32 VehicleEnter_Track(Vehicle *v, TileIndex tile, int x, int y) truelight@0: { truelight@0: byte fract_coord; hackykid@1922: byte fract_coord_leave; tron@3157: DiagDirection dir; hackykid@1922: int length; truelight@201: belugas@6420: /* this routine applies only to trains in depot tiles */ rubidium@6259: if (v->type != VEH_TRAIN || !IsTileDepotType(tile, TRANSPORT_RAIL)) return VETSB_CONTINUE; truelight@0: truelight@0: /* depot direction */ tron@3185: dir = GetRailDepotDirection(tile); truelight@201: hackykid@1922: /* calculate the point where the following wagon should be activated */ hackykid@1922: /* this depends on the length of the current vehicle */ hackykid@1922: length = v->u.rail.cached_veh_length; hackykid@1922: hackykid@1922: fract_coord_leave = rubidium@4434: ((_fractcoords_enter[dir] & 0x0F) + // x hackykid@1922: (length + 1) * _deltacoord_leaveoffset[dir]) + rubidium@4434: (((_fractcoords_enter[dir] >> 4) + // y hackykid@1922: ((length + 1) * _deltacoord_leaveoffset[dir+4])) << 4); hackykid@1922: truelight@0: fract_coord = (x & 0xF) + ((y & 0xF) << 4); hackykid@1922: truelight@0: if (_fractcoords_behind[dir] == fract_coord) { truelight@0: /* make sure a train is not entering the tile from behind */ rubidium@5991: return VETSB_CANNOT_ENTER; truelight@0: } else if (_fractcoords_enter[dir] == fract_coord) { tron@3157: if (DiagDirToDir(ReverseDiagDir(dir)) == v->direction) { truelight@0: /* enter the depot */ rubidium@5993: v->u.rail.track = TRACK_BIT_DEPOT, truelight@0: v->vehstatus |= VS_HIDDEN; /* hide it */ tron@3157: v->direction = ReverseDir(v->direction); Darkvater@5198: if (v->next == NULL) VehicleEnterDepot(v); Darkvater@5198: v->tile = tile; Darkvater@5198: bjarni@4739: InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile); rubidium@5991: return VETSB_ENTERED_WORMHOLE; truelight@0: } hackykid@1922: } else if (fract_coord_leave == fract_coord) { tron@3157: if (DiagDirToDir(dir) == v->direction) { truelight@0: /* leave the depot? */ tron@2951: if ((v = v->next) != NULL) { truelight@0: v->vehstatus &= ~VS_HIDDEN; rubidium@5587: v->u.rail.track = (DiagDirToAxis(dir) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y); truelight@0: } truelight@0: } truelight@0: } truelight@0: rubidium@5991: return VETSB_CONTINUE; truelight@0: } truelight@0: truelight@0: rubidium@5587: extern const TileTypeProcs _tile_type_rail_procs = { rubidium@4344: DrawTile_Track, /* draw_tile_proc */ rubidium@4344: GetSlopeZ_Track, /* get_slope_z_proc */ rubidium@4344: ClearTile_Track, /* clear_tile_proc */ rubidium@4344: GetAcceptedCargo_Track, /* get_accepted_cargo_proc */ rubidium@4344: GetTileDesc_Track, /* get_tile_desc_proc */ rubidium@4344: GetTileTrackStatus_Track, /* get_tile_track_status_proc */ rubidium@4344: ClickTile_Track, /* click_tile_proc */ rubidium@4344: AnimateTile_Track, /* animate_tile_proc */ rubidium@4344: TileLoop_Track, /* tile_loop_clear */ rubidium@4344: ChangeTileOwner_Track, /* change_tile_owner_clear */ rubidium@4344: NULL, /* get_produced_cargo_proc */ rubidium@4344: VehicleEnter_Track, /* vehicle_enter_tile_proc */ rubidium@4344: GetSlopeTileh_Track, /* get_slope_tileh_proc */ truelight@0: };