tron@2186: /* $Id$ */ tron@2186: truelight@0: #include "stdafx.h" Darkvater@1891: #include "openttd.h" hackykid@1922: #include "debug.h" tron@2163: #include "functions.h" tron@1363: #include "table/sprites.h" tron@507: #include "table/strings.h" tron@679: #include "map.h" tron@1209: #include "tile.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" matthijs@1942: #include "rail.h" ludde@2236: #include "railtypes.h" // include table for railtypes truelight@0: dominik@415: extern uint16 _custom_sprites_base; dominik@415: 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: tron@1977: void ShowTrainDepotWindow(TileIndex tile); truelight@0: truelight@0: /* Format of rail map5 byte. truelight@0: * 00 abcdef => Normal rail truelight@0: * 01 abcdef => Rail with signals truelight@0: * 10 ?????? => Unused truelight@0: * 11 ????dd => Depot darkvater@22: * darkvater@22: * abcdef is a bitmask, which contains ones for all present tracks. Below the truelight@201: * value for each track is given. truelight@0: */ 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: // Constants for lower part of Map2 byte. truelight@201: enum RailMap2Lower4 { truelight@0: RAIL_MAP2LO_GROUND_MASK = 0xF, truelight@0: RAIL_GROUND_BROWN = 0, truelight@0: RAIL_GROUND_GREEN = 1, truelight@0: RAIL_GROUND_FENCE_NW = 2, truelight@0: RAIL_GROUND_FENCE_SE = 3, truelight@0: RAIL_GROUND_FENCE_SENW = 4, truelight@0: RAIL_GROUND_FENCE_NE = 5, truelight@0: RAIL_GROUND_FENCE_SW = 6, truelight@0: RAIL_GROUND_FENCE_NESW = 7, truelight@0: RAIL_GROUND_FENCE_VERT1 = 8, truelight@0: RAIL_GROUND_FENCE_VERT2 = 9, truelight@0: RAIL_GROUND_FENCE_HORIZ1 = 10, truelight@0: RAIL_GROUND_FENCE_HORIZ2 = 11, truelight@0: RAIL_GROUND_ICE_DESERT = 12, truelight@0: }; truelight@0: truelight@0: darkvater@22: /* MAP2 byte: abcd???? => Signal On? Same coding as map3lo truelight@201: * MAP3LO byte: abcd???? => Signal Exists? darkvater@22: * a and b are for diagonals, upper and left, darkvater@22: * one for each direction. (ie a == NE->SW, b == darkvater@22: * SW->NE, or v.v., I don't know. b and c are darkvater@22: * 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: { matthijs@1942: RailTileType type = GetRailTileType(tile); matthijs@1942: TrackBits current; /* The current track layout */ matthijs@1942: TrackBits future; /* The track layout we want to build */ truelight@0: _error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION; truelight@0: matthijs@1942: if (type != RAIL_TYPE_NORMAL && type != RAIL_TYPE_SIGNALS) matthijs@1942: return false; /* Cannot build anything on depots and checkpoints */ 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 */ matthijs@1942: if ((flags & DC_NO_RAIL_OVERLAP) || type == RAIL_TYPE_SIGNALS) { 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 */ matthijs@1942: return matthijs@1942: future == (TRACK_BIT_UPPER | TRACK_BIT_LOWER) || matthijs@1942: future == (TRACK_BIT_LEFT | TRACK_BIT_RIGHT); 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: celestar@9942: const TrackBits _valid_tileh_slopes[4][15] = { truelight@0: truelight@0: // set of normal ones truelight@0: { matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_DIAG1, truelight@0: matthijs@1942: TRACK_BIT_LEFT, truelight@0: 0, matthijs@1942: TRACK_BIT_DIAG2, matthijs@1942: TRACK_BIT_LOWER, truelight@201: matthijs@1942: TRACK_BIT_LOWER, matthijs@1942: TRACK_BIT_DIAG2, truelight@0: 0, matthijs@1942: TRACK_BIT_LEFT, truelight@201: matthijs@1942: TRACK_BIT_DIAG1, matthijs@1942: TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_RIGHT, truelight@0: }, truelight@0: truelight@0: // allowed rail for an evenly raised platform truelight@0: { truelight@0: 0, matthijs@1942: TRACK_BIT_LEFT, matthijs@1942: TRACK_BIT_LOWER, matthijs@1942: TRACK_BIT_DIAG2 | TRACK_BIT_LOWER | TRACK_BIT_LEFT, truelight@0: matthijs@1942: TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1 | TRACK_BIT_LOWER | TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, truelight@0: matthijs@1942: TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_DIAG1 | TRACK_BIT_UPPER | TRACK_BIT_LEFT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, truelight@0: matthijs@1942: TRACK_BIT_DIAG2 | TRACK_BIT_UPPER | TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, truelight@0: }, truelight@0: truelight@0: // allowed rail on coast tile truelight@0: { truelight@0: 0, matthijs@1942: TRACK_BIT_LEFT, matthijs@1942: TRACK_BIT_LOWER, matthijs@1942: TRACK_BIT_DIAG2|TRACK_BIT_LEFT|TRACK_BIT_LOWER, truelight@201: matthijs@1942: TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_RIGHT|TRACK_BIT_LOWER, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, truelight@0: matthijs@1942: TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_LEFT|TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, truelight@0: matthijs@1942: TRACK_BIT_DIAG2|TRACK_BIT_RIGHT|TRACK_BIT_UPPER, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, matthijs@1942: TRACK_BIT_DIAG1|TRACK_BIT_DIAG2|TRACK_BIT_UPPER|TRACK_BIT_LOWER|TRACK_BIT_LEFT|TRACK_BIT_RIGHT, dominik@13: }, dominik@13: dominik@13: // valid railway crossings on slopes dominik@13: { dominik@13: 1, 0, 0, // 0, 1, 2 dominik@13: 0, 0, 1, // 3, 4, 5 dominik@13: 0, 1, 0, // 6, 7, 8 dominik@13: 0, 1, 1, // 9, 10, 11 dominik@13: 0, 1, 1, // 12, 13, 14 truelight@0: } truelight@0: }; truelight@0: truelight@84: uint GetRailFoundation(uint tileh, uint bits) truelight@0: { truelight@0: int i; truelight@0: truelight@0: if ((~_valid_tileh_slopes[0][tileh] & bits) == 0) truelight@0: return 0; truelight@0: truelight@0: if ((~_valid_tileh_slopes[1][tileh] & bits) == 0) truelight@0: return tileh; truelight@0: matthijs@1942: if ( ((i=0, tileh == 1) || (i+=2, tileh == 2) || (i+=2, tileh == 4) || (i+=2, tileh == 8)) && (bits == TRACK_BIT_DIAG1 || (i++, bits == TRACK_BIT_DIAG2))) truelight@0: return i + 15; truelight@0: truelight@0: return 0; truelight@0: } truelight@0: tron@2639: matthijs@1942: static uint32 CheckRailSlope(uint tileh, TrackBits rail_bits, TrackBits existing, TileIndex tile) truelight@0: { truelight@0: // never allow building on top of steep tiles celestar@2085: if (!IsSteepTileh(tileh)) { truelight@0: rail_bits |= existing; truelight@0: truelight@0: // don't allow building on the lower side of a coast tron@1627: if (IsTileType(tile, MP_WATER) && tron@1627: ~_valid_tileh_slopes[2][tileh] & rail_bits) { truelight@0: return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER); truelight@0: } truelight@0: truelight@0: // no special foundation truelight@0: if ((~_valid_tileh_slopes[0][tileh] & rail_bits) == 0) truelight@0: return 0; truelight@201: tron@1627: if ((~_valid_tileh_slopes[1][tileh] & rail_bits) == 0 || ( // whole tile is leveled up matthijs@1942: (rail_bits == TRACK_BIT_DIAG1 || rail_bits == TRACK_BIT_DIAG2) && tron@1627: (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8) tron@1627: )) { // partly up tron@1627: if (existing != 0) { tron@1627: return 0; truelight@2422: } else if (!_patches.build_on_slopes || _is_old_ai_player) { tron@1627: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); tron@1627: } else { tron@1627: return _price.terraform; tron@1627: } 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 Darkvater@1775: * @param x,y coordinates on where to build Darkvater@1775: * @param p1 railtype of being built piece (normal, mono, maglev) matthijs@1942: * @param p2 rail track to build Darkvater@1775: */ Darkvater@1775: int32 CmdBuildSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@1627: TileIndex tile; tron@1627: uint tileh; matthijs@1942: uint m5; /* XXX: Used only as a cache, should probably be removed? */ matthijs@1942: Track track = (Track)p2; matthijs@1942: TrackBits trackbit; tron@1627: int32 cost = 0; tron@1627: int32 ret; tron@1627: matthijs@1942: if (!ValParamRailtype(p1) || !ValParamTrackOrientation(track)) return CMD_ERROR; tron@1627: tron@1980: tile = TileVirtXY(x, y); tron@1627: tileh = GetTileSlope(tile, NULL); tron@2049: m5 = _m[tile].m5; 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_TUNNELBRIDGE: tron@1627: if ((m5 & 0xC0) != 0xC0 || // not bridge middle part? tron@2364: (m5 & 0x01 ? TRACK_BIT_DIAG1 : TRACK_BIT_DIAG2) != trackbit) { // wrong direction? tron@1627: // Get detailed error message tron@1627: return DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@1627: } truelight@0: tron@1630: switch (m5 & 0x38) { // what's under the bridge? tron@1630: case 0x00: // clear land matthijs@1942: ret = CheckRailSlope(tileh, trackbit, 0, tile); tron@1691: if (CmdFailed(ret)) return ret; tron@1630: cost += ret; truelight@0: tron@1630: if (flags & DC_EXEC) { tron@1902: SetTileOwner(tile, _current_player); tron@2493: SB(_m[tile].m3, 0, 4, p1); tron@2049: _m[tile].m5 = (m5 & 0xC7) | 0x20; // railroad under bridge tron@1630: } tron@1630: break; tron@1630: tron@1630: case 0x20: // rail already there tron@1630: return_cmd_error(STR_1007_ALREADY_BUILT); tron@1630: tron@1630: default: tron@1630: // Get detailed error message tron@1630: return DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@1627: } tron@1627: break; truelight@0: tron@1627: case MP_RAILWAY: matthijs@1942: if (!CheckTrackCombination(tile, trackbit, flags) || tron@1627: !EnsureNoVehicle(tile)) { tron@1627: return CMD_ERROR; tron@1627: } tron@1627: if (m5 & RAIL_TYPE_SPECIAL || tron@1903: !IsTileOwner(tile, _current_player) || tron@2493: GB(_m[tile].m3, 0, 4) != p1) { tron@1627: // Get detailed error message tron@1627: return DoCommandByTile(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: tron@1719: if (flags & DC_EXEC) { tron@2049: _m[tile].m2 &= ~RAIL_MAP2LO_GROUND_MASK; // Bare land tron@2049: _m[tile].m5 = m5 | trackbit; tron@1719: } tron@1627: break; truelight@0: tron@1627: case MP_STREET: tron@1627: if (!_valid_tileh_slopes[3][tileh]) // prevent certain slopes tron@1627: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); tron@1627: if (!EnsureNoVehicle(tile)) return CMD_ERROR; truelight@0: tron@1627: if ((m5 & 0xF0) == 0 && ( // normal road? matthijs@1942: (track == TRACK_DIAG1 && m5 == 0x05) || matthijs@1942: (track == TRACK_DIAG2 && m5 == 0x0A) // correct direction? tron@1627: )) { tron@1627: if (flags & DC_EXEC) { tron@2049: _m[tile].m3 = GetTileOwner(tile); tron@1902: SetTileOwner(tile, _current_player); tron@2049: _m[tile].m4 = p1; tron@2049: _m[tile].m5 = 0x10 | (track == TRACK_DIAG1 ? 0x08 : 0x00); // level crossing tron@1627: } tron@1627: break; tron@1627: } tron@1627: matthijs@1942: if (IsLevelCrossing(tile) && (m5 & 0x08 ? TRACK_DIAG1 : TRACK_DIAG2) == track) tron@1627: return_cmd_error(STR_1007_ALREADY_BUILT); tron@1627: /* FALLTHROUGH */ tron@1627: tron@1627: default: matthijs@1942: ret = CheckRailSlope(tileh, trackbit, 0, tile); tron@1691: if (CmdFailed(ret)) return ret; tron@1627: cost += ret; tron@1627: tron@1627: ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@1691: if (CmdFailed(ret)) return ret; tron@1627: cost += ret; tron@1627: tron@1627: if (flags & DC_EXEC) { tron@1627: SetTileType(tile, MP_RAILWAY); tron@1902: SetTileOwner(tile, _current_player); tron@2049: _m[tile].m2 = 0; // Bare land tron@2049: _m[tile].m3 = p1; // No signals, rail type tron@2049: _m[tile].m5 = trackbit; tron@1627: } tron@1627: break; truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { truelight@0: MarkTileDirtyByTile(tile); matthijs@1942: SetSignalsOnBothDir(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 Darkvater@1775: * @param x,y coordinates for removal of track Darkvater@1775: * @param p1 unused Darkvater@1775: * @param p2 rail orientation truelight@0: */ truelight@0: int32 CmdRemoveSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { matthijs@1942: Track track = (Track)p2; matthijs@1942: TrackBits trackbit; Darkvater@1775: TileIndex tile; matthijs@1942: byte m5; hackykid@1963: int32 cost = _price.remove_rail; celestar@9946: bool crossing = false; Darkvater@1775: Darkvater@1775: if (!ValParamTrackOrientation(p2)) return CMD_ERROR; matthijs@1942: trackbit = TrackToTrackBits(track); truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: tron@1980: tile = TileVirtXY(x, y); truelight@0: matthijs@1942: if (!IsTileType(tile, MP_TUNNELBRIDGE) && !IsTileType(tile, MP_STREET) && !IsTileType(tile, MP_RAILWAY)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (_current_player != OWNER_WATER && !CheckTileOwnership(tile)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: // allow building rail under bridge matthijs@1942: if (!IsTileType(tile, MP_TUNNELBRIDGE) && !EnsureNoVehicle(tile)) truelight@0: return CMD_ERROR; truelight@0: matthijs@1942: switch(GetTileType(tile)) matthijs@1942: { matthijs@1942: case MP_TUNNELBRIDGE: matthijs@1942: if (!EnsureNoVehicleZ(tile, TilePixelHeight(tile))) matthijs@1942: return CMD_ERROR; truelight@0: tron@2049: if ((_m[tile].m5 & 0xF8) != 0xE0) matthijs@1942: return CMD_ERROR; truelight@0: tron@2364: if ((_m[tile].m5 & 1 ? TRACK_BIT_DIAG1 : TRACK_BIT_DIAG2) != trackbit) matthijs@1942: return CMD_ERROR; truelight@0: matthijs@1942: if (!(flags & DC_EXEC)) matthijs@1942: return _price.remove_rail; truelight@201: tron@2548: SetTileOwner(tile, OWNER_NONE); tron@2049: _m[tile].m5 = _m[tile].m5 & 0xC7; matthijs@1942: break; tron@2548: matthijs@1942: case MP_STREET: tron@2493: if (!IsLevelCrossing(tile)) return CMD_ERROR; truelight@0: matthijs@1942: /* This is a crossing, let's check if the direction is correct */ tron@2049: if (_m[tile].m5 & 8) { matthijs@1942: m5 = 5; matthijs@1942: if (track != TRACK_DIAG1) matthijs@1942: return CMD_ERROR; matthijs@1942: } else { matthijs@1942: m5 = 10; matthijs@1942: if (track != TRACK_DIAG2) matthijs@1942: return CMD_ERROR; matthijs@1942: } truelight@0: matthijs@1942: if (!(flags & DC_EXEC)) matthijs@1942: return _price.remove_rail; truelight@0: tron@2049: _m[tile].m5 = m5; tron@2049: SetTileOwner(tile, _m[tile].m3); matthijs@1942: break; tron@2548: celestar@9946: case MP_RAILWAY: { celestar@9946: TrackBits present; celestar@9946: matthijs@1942: if (!IsPlainRailTile(tile)) matthijs@1942: return CMD_ERROR; matthijs@1942: matthijs@1942: /* See if the track to remove is actually there */ matthijs@1942: if (!(GetTrackBits(tile) & trackbit)) matthijs@1942: return CMD_ERROR; matthijs@1942: celestar@9946: present = GetTrackBits(tile); celestar@9946: if ((present & trackbit) == 0) return CMD_ERROR; celestar@9946: if (present == (TRACK_BIT_DIAG1 | TRACK_BIT_DIAG2)) crossing = true; celestar@9946: hackykid@1963: /* Charge extra to remove signals on the track, if they are there */ matthijs@1942: if (HasSignalOnTrack(tile, track)) hackykid@1963: cost += DoCommand(x, y, track, 0, flags, CMD_REMOVE_SIGNALS); matthijs@1942: matthijs@1942: if (!(flags & DC_EXEC)) hackykid@1963: return cost; matthijs@1942: matthijs@1942: /* We remove the trackbit here. */ tron@2049: _m[tile].m5 &= ~trackbit; matthijs@1942: matthijs@1942: if (GetTrackBits(tile) == 0) { matthijs@1942: /* The tile has no tracks left, it is no longer a rail tile */ matthijs@1942: DoClearSquare(tile); matthijs@1942: /* XXX: This is an optimisation, right? Is it really worth the ugly goto? */ matthijs@1942: goto skip_mark_dirty; matthijs@1942: } matthijs@1942: break; celestar@9946: } tron@2548: matthijs@1942: default: matthijs@1942: assert(0); truelight@0: } truelight@0: truelight@0: /* mark_dirty */ celestar@9946: if (flags & DC_EXEC) { celestar@9946: MarkTileDirtyByTile(tile); celestar@9946: if (crossing) { celestar@9946: /* crossing is set when only TRACK_BIT_X and TRACK_BIT_Y are set. As we celestar@9946: * are removing one of these pieces, we'll need to update signals for celestar@9946: * both directions explicitly, as after the track is removed it won't celestar@9946: * 'connect' with the other piece. */ celestar@9946: SetSignalsOnBothDir(tile, TRACK_DIAG1); celestar@9946: SetSignalsOnBothDir(tile, TRACK_DIAG2); celestar@9946: } else { celestar@9946: SetSignalsOnBothDir(tile, track); celestar@9946: } celestar@9946: } truelight@0: truelight@0: skip_mark_dirty:; truelight@0: matthijs@1942: SetSignalsOnBothDir(tile, track); truelight@201: hackykid@1963: return cost; truelight@0: } truelight@0: truelight@0: static const struct { truelight@0: int8 xinc[16]; truelight@0: int8 yinc[16]; truelight@0: } _railbit = {{ darkvater@1227: // 0 1 2 3 4 5 darkvater@1227: -16, 0,-16, 0, 16, 0, 0, 0, darkvater@1227: 16, 0, 0, 16, 0,-16, 0, 0, truelight@0: },{ darkvater@1227: 0, 16, 0, 16, 0, 16, 0, 0, darkvater@1227: 0,-16,-16, 0,-16, 0, 0, 0, truelight@0: }}; truelight@0: matthijs@1942: static int32 ValidateAutoDrag(Trackdir *trackdir, int x, int y, int ex, int ey) darkvater@1227: { darkvater@1227: int dx, dy, trdx, trdy; truelight@0: matthijs@1942: if (!ValParamTrackOrientation(*trackdir)) return CMD_ERROR; darkvater@1227: darkvater@1227: // calculate delta x,y from start to end tile darkvater@1227: dx = ex - x; darkvater@1227: dy = ey - y; darkvater@1227: darkvater@1227: // calculate delta x,y for the first direction matthijs@1942: trdx = _railbit.xinc[*trackdir]; matthijs@1942: trdy = _railbit.yinc[*trackdir]; darkvater@1227: matthijs@1942: if (!IsDiagonalTrackdir(*trackdir)) { matthijs@1942: trdx += _railbit.xinc[*trackdir ^ 1]; matthijs@1942: trdy += _railbit.yinc[*trackdir ^ 1]; darkvater@1227: } darkvater@1227: darkvater@1227: // validate the direction darkvater@1227: while (((trdx <= 0) && (dx > 0)) || ((trdx >= 0) && (dx < 0)) || darkvater@1227: ((trdy <= 0) && (dy > 0)) || ((trdy >= 0) && (dy < 0))) { matthijs@1942: if (!HASBIT(*trackdir, 3)) { // first direction is invalid, try the other matthijs@1942: SETBIT(*trackdir, 3); // reverse the direction darkvater@1227: trdx = -trdx; darkvater@1227: trdy = -trdy; darkvater@1227: } else // other direction is invalid too, invalid drag darkvater@1227: return CMD_ERROR; darkvater@1227: } darkvater@1227: darkvater@1227: // (for diagonal tracks, this is already made sure of by above test), but: darkvater@1227: // for non-diagonal tracks, check if the start and end tile are on 1 line matthijs@1942: if (!IsDiagonalTrackdir(*trackdir)) { matthijs@1942: trdx = _railbit.xinc[*trackdir]; matthijs@1942: trdy = _railbit.yinc[*trackdir]; darkvater@1227: 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. Darkvater@1775: * @param x,y start tile of drag 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: */ darkvater@1227: static int32 CmdRailTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { darkvater@1227: int ex, ey; darkvater@1227: int32 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); truelight@0: peter1138@2604: if (!ValParamRailtype(railtype) || !ValParamTrackOrientation(track)) return CMD_ERROR; tron@2934: if (p1 >= MapSize()) return CMD_ERROR; matthijs@1942: trackdir = TrackToTrackdir(track); Darkvater@1775: darkvater@1227: /* unpack end point */ matthijs@1942: ex = TileX(p1) * TILE_SIZE; matthijs@1942: ey = TileY(p1) * TILE_SIZE; truelight@0: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: matthijs@1942: if (CmdFailed(ValidateAutoDrag(&trackdir, x, y, ex, ey))) return CMD_ERROR; truelight@201: tron@1980: if (flags & DC_EXEC) SndPlayTileFx(SND_20_SPLAT_2, TileVirtXY(x, y)); truelight@0: truelight@0: for(;;) { peter1138@2604: ret = DoCommand(x, y, railtype, TrackdirToTrack(trackdir), flags, (mode == 0) ? CMD_BUILD_SINGLE_RAIL : CMD_REMOVE_SINGLE_RAIL); truelight@0: Darkvater@1775: if (CmdFailed(ret)) { darkvater@1227: if ((_error_message != STR_1007_ALREADY_BUILT) && (mode == 0)) truelight@0: break; truelight@0: } else truelight@0: total_cost += ret; truelight@0: darkvater@1227: if (x == ex && y == ey) truelight@0: break; truelight@0: matthijs@1942: x += _railbit.xinc[trackdir]; matthijs@1942: y += _railbit.yinc[trackdir]; truelight@201: darkvater@1227: // toggle railbit for the non-diagonal tracks matthijs@1942: if (!IsDiagonalTrackdir(trackdir)) trackdir ^= 1; 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 Darkvater@1796: * @see CmdRailTrackHelper Darkvater@1796: */ darkvater@1227: int32 CmdBuildRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { Darkvater@1775: return CmdRailTrackHelper(x, y, 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 Darkvater@1796: * @see CmdRailTrackHelper Darkvater@1796: */ truelight@0: int32 CmdRemoveRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { darkvater@1227: return CmdRailTrackHelper(x, y, flags, p1, SETBIT(p2, 7)); truelight@0: } truelight@0: Darkvater@1775: /** Build a train depot Darkvater@1775: * @param x,y position of the train depot Darkvater@1775: * @param p1 rail type celestar@2085: * @param p2 depot direction (0 through 3), where 0 is NE, 1 is SE, 2 is SW, 3 is NW 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: */ truelight@0: int32 CmdBuildTrainDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { Darkvater@1775: Depot *d; tron@1980: TileIndex tile = TileVirtXY(x, y); truelight@0: int32 cost, ret; truelight@0: uint tileh; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: if (!EnsureNoVehicle(tile)) return CMD_ERROR; Darkvater@1775: /* check railtype and valid direction for depot (0 through 3), 4 in total */ Darkvater@1775: if (!ValParamRailtype(p1) || p2 > 3) return CMD_ERROR; truelight@0: truelight@0: tileh = GetTileSlope(tile, NULL); celestar@2085: celestar@2085: /* Prohibit construction if celestar@2085: The tile is non-flat AND celestar@2085: 1) The AI is "old-school" celestar@2085: 2) build-on-slopes is disabled celestar@2085: 3) the tile is steep i.e. spans two height levels celestar@2085: 4) the exit points in the wrong direction celestar@2085: celestar@2085: */ celestar@2085: celestar@2085: if (tileh != 0 && ( tron@2548: _is_old_ai_player || tron@2548: !_patches.build_on_slopes || tron@2548: IsSteepTileh(tileh) || tron@2548: !CanBuildDepotByTileh(p2, tileh) tron@2548: )) { tron@2548: return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); truelight@0: } truelight@0: truelight@0: ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); Darkvater@1775: if (CmdFailed(ret)) return CMD_ERROR; truelight@0: cost = ret; truelight@0: Darkvater@1775: d = AllocateDepot(); tron@2639: if (d == NULL) return CMD_ERROR; truelight@0: truelight@0: if (flags & DC_EXEC) { Darkvater@2425: if (IsLocalPlayer()) _last_built_train_depot_tile = tile; truelight@201: truelight@201: ModifyTile(tile, truelight@0: MP_SETTYPE(MP_RAILWAY) | truelight@0: MP_MAP3LO | MP_MAPOWNER_CURRENT | MP_MAP5, truelight@0: p1, /* map3_lo */ matthijs@1942: p2 | RAIL_TYPE_DEPOT_WAYPOINT /* map5 */ truelight@0: ); truelight@201: Darkvater@1775: d->xy = tile; Darkvater@1775: d->town_index = ClosestTownFromTile(tile, (uint)-1)->index; truelight@0: truelight@0: SetSignalsOnBothDir(tile, (p2&1) ? 2 : 1); truelight@0: 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@1775: * pre/exit/combo-signals, and what-else not Darkvater@1775: * @param x,y coordinates where signals is being built Darkvater@1775: * @param p1 various bitstuffed elements matthijs@1942: * - p1 = (bit 0-2) - track-orientation, valid values: 0-5 (Track enum) Darkvater@1775: * - p1 = (bit 3) - choose semaphores/signals or cycle normal/pre/exit/combo depending on context 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: */ darkvater@1227: int32 CmdBuildSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@1980: TileIndex tile = TileVirtXY(x, y); tron@1084: bool semaphore; tron@1084: bool pre_signal; matthijs@1942: Track track = (Track)(p1 & 0x7); truelight@0: int32 cost; truelight@201: matthijs@1942: // Same bit, used in different contexts matthijs@1942: semaphore = pre_signal = HASBIT(p1, 3); matthijs@1942: Darkvater@1775: if (!ValParamTrackOrientation(track) || !IsTileType(tile, MP_RAILWAY) || !EnsureNoVehicle(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: { matthijs@1942: /* See if this is a valid track combination for signals, (ie, no overlap) */ matthijs@1942: TrackBits trackbits = GetTrackBits(tile); matthijs@1942: if (KILL_FIRST_BIT(trackbits) != 0 && /* More than one track present */ matthijs@1942: trackbits != (TRACK_BIT_UPPER | TRACK_BIT_LOWER) && /* Horizontal parallel, non-intersecting tracks */ matthijs@1942: trackbits != (TRACK_BIT_LEFT | TRACK_BIT_RIGHT) /* Vertical parallel, non-intersecting tracks */ matthijs@1942: ) truelight@0: return CMD_ERROR; truelight@0: } truelight@0: tron@1084: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: matthijs@1942: if (!HasSignalOnTrack(tile, track)) { tron@1084: // build new signals truelight@0: cost = _price.build_signals; darkvater@1066: } else { matthijs@1942: if (p2 != 0 && semaphore != HasSemaphores(tile, track)) { tron@1084: // convert signals <-> semaphores tron@1084: cost = _price.build_signals + _price.remove_signals; tron@1084: } else { tron@1084: // 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) { matthijs@1942: if (GetRailTileType(tile) != RAIL_TYPE_SIGNALS) { tron@1084: // there are no signals at all on this tile yet tron@2049: _m[tile].m5 |= RAIL_TYPE_SIGNALS; // change into signals tron@2049: _m[tile].m2 |= 0xF0; // all signals are on tron@2049: _m[tile].m3 &= ~0xF0; // no signals built by default Darkvater@2911: _m[tile].m4 = semaphore ? SIG_SEMAPHORE_MASK : 0; truelight@0: } truelight@0: tron@1084: if (p2 == 0) { matthijs@1942: if (!HasSignalOnTrack(tile, track)) { tron@1084: // build new signals tron@2049: _m[tile].m3 |= SignalOnTrack(track); tron@1084: } else { tron@1084: if (pre_signal) { Darkvater@2916: // cycle between normal -> pre -> exit -> combo -> ... Darkvater@2911: byte type = (GetSignalType(tile, track) + 1) % SIGTYPE_END; Darkvater@2916: SB(_m[tile].m4, 0, 2, type); tron@1084: } else { tron@1084: // cycle between two-way -> one-way -> one-way -> ... matthijs@1942: /* TODO: Rewrite switch into something more general */ tron@1084: switch (track) { matthijs@1942: case TRACK_LOWER: matthijs@1942: case TRACK_RIGHT: { tron@2049: byte signal = (_m[tile].m3 - 0x10) & 0x30; tron@1084: if (signal == 0) signal = 0x30; tron@2049: _m[tile].m3 &= ~0x30; tron@2049: _m[tile].m3 |= signal; tron@1084: break; tron@1084: } darkvater@58: tron@1084: default: { tron@2049: byte signal = (_m[tile].m3 - 0x40) & 0xC0; tron@1084: if (signal == 0) signal = 0xC0; tron@2049: _m[tile].m3 &= ~0xC0; tron@2049: _m[tile].m3 |= signal; tron@1084: break; tron@1084: } tron@1084: } 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 */ tron@2049: _m[tile].m3 &= ~SignalOnTrack(track); tron@2049: _m[tile].m3 |= p2 & SignalOnTrack(track); darkvater@58: // convert between signal<->semaphores when dragging tron@2639: if (semaphore) { Darkvater@2916: SETBIT(_m[tile].m4, 2); tron@2639: } else { Darkvater@2916: CLRBIT(_m[tile].m4, 2); tron@2639: } truelight@0: } truelight@201: truelight@0: MarkTileDirtyByTile(tile); truelight@0: SetSignalsOnBothDir(tile, track); truelight@0: } truelight@0: truelight@0: return cost; truelight@0: } truelight@0: Darkvater@1796: /** Build many signals by dragging; AutoSignals Darkvater@1796: * @param x,y start tile of drag Darkvater@1796: * @param p1 end tile of drag Darkvater@1796: * @param p2 various bitstuffed elements Darkvater@1796: * - p2 = (bit 0) - 0 = build, 1 = remove signals Darkvater@1796: * - p2 = (bit 3) - 0 = signals, 1 = semaphores matthijs@1942: * - p2 = (bit 4- 6) - track-orientation, valid values: 0-5 (Track enum) Darkvater@1796: * - p2 = (bit 24-31) - user defined signals_density darkvater@58: */ darkvater@1227: static int32 CmdSignalTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 p2) darkvater@58: { darkvater@1227: int ex, ey; darkvater@58: int32 ret, total_cost, signal_ctr; hackykid@1954: byte signals; tron@1980: TileIndex tile = TileVirtXY(x, y); Darkvater@1796: bool error = true; Darkvater@1796: darkvater@1227: int mode = p2 & 0x1; tron@2140: Track track = GB(p2, 4, 3); matthijs@1942: Trackdir trackdir = TrackToTrackdir(track); Darkvater@1796: byte semaphores = (HASBIT(p2, 3)) ? 8 : 0; Darkvater@1796: byte signal_density = (p2 >> 24); Darkvater@1796: tron@2934: if (p1 >= MapSize()) return CMD_ERROR; 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 Darkvater@1796: * since the original amount will be too dense (shorter tracks) */ matthijs@1942: if (!IsDiagonalTrack(track)) matthijs@1942: signal_density *= 2; Darkvater@1796: darkvater@1227: // unpack end tile matthijs@1942: ex = TileX(p1) * TILE_SIZE; matthijs@1942: ey = TileY(p1) * TILE_SIZE; darkvater@58: matthijs@1942: if (CmdFailed(ValidateAutoDrag(&trackdir, x, y, ex, ey))) return CMD_ERROR; matthijs@1942: matthijs@1942: track = TrackdirToTrack(trackdir); /* trackdir might have changed, keep track in sync */ darkvater@58: darkvater@58: // copy the signal-style of the first rail-piece if existing matthijs@1942: if (GetRailTileType(tile) == RAIL_TYPE_SIGNALS && GetTrackBits(tile) != 0) { /* XXX: GetTrackBits check useless? */ tron@2049: signals = _m[tile].m3 & SignalOnTrack(track); matthijs@1942: if (signals == 0) signals = SignalOnTrack(track); /* Can this actually occur? */ darkvater@58: matthijs@1942: semaphores = (HasSemaphores(tile, track) ? 8 : 0); // copy signal/semaphores style (independent of CTRL) Darkvater@1796: } else // no signals exist, drag a two-way signal stretch matthijs@1942: signals = SignalOnTrack(track); 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) matthijs@1942: and convert all others to semaphore/signal hackykid@1954: * mode - 1 remove signals, 0 build signals */ darkvater@58: signal_ctr = total_cost = 0; Darkvater@1796: for (;;) { darkvater@58: // only build/remove signals with the specified density hackykid@1954: if ((signal_ctr % signal_density) == 0 ) { matthijs@1942: ret = DoCommand(x, y, TrackdirToTrack(trackdir) | semaphores, signals, flags, (mode == 1) ? CMD_REMOVE_SIGNALS : CMD_BUILD_SIGNALS); darkvater@58: miham@826: /* Abort placement for any other error than NOT_SUITABLE_TRACK darkvater@58: * This includes vehicles on track, competitor's tracks, etc. */ Darkvater@1796: if (CmdFailed(ret)) { Darkvater@1796: if (_error_message != STR_1005_NO_SUITABLE_RAILROAD_TRACK && mode != 1) return CMD_ERROR; darkvater@58: } else { darkvater@58: error = false; darkvater@58: total_cost += ret; darkvater@58: } darkvater@58: } darkvater@58: Darkvater@1796: if (ex == x && ey == y) break; // reached end of drag darkvater@58: matthijs@1942: x += _railbit.xinc[trackdir]; matthijs@1942: y += _railbit.yinc[trackdir]; darkvater@58: signal_ctr++; truelight@201: darkvater@1227: // toggle railbit for the non-diagonal tracks (|, -- tracks) matthijs@1942: if (!IsDiagonalTrackdir(trackdir)) trackdir ^= 1; darkvater@58: } darkvater@58: darkvater@58: 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 Darkvater@1796: * @see CmdSignalTrackHelper Darkvater@1796: */ darkvater@1227: int32 CmdBuildSignalTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { darkvater@1227: return CmdSignalTrackHelper(x, y, flags, p1, p2); darkvater@1227: } darkvater@1227: Darkvater@1775: /** Remove signals Darkvater@1775: * @param x,y coordinates where signal is being deleted from matthijs@1942: * @param p1 track to remove signal from (Track enum) truelight@0: */ darkvater@1227: int32 CmdRemoveSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@1980: TileIndex tile = TileVirtXY(x, y); matthijs@1942: Track track = (Track)(p1 & 0x7); tron@1518: Darkvater@1775: if (!ValParamTrackOrientation(track) || !IsTileType(tile, MP_RAILWAY) || !EnsureNoVehicle(tile)) tron@1518: return CMD_ERROR; tron@1518: matthijs@1942: if (!HasSignalOnTrack(tile, track)) // no signals on track? tron@1518: return CMD_ERROR; 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) { tron@2049: _m[tile].m3 &= ~SignalOnTrack(track); truelight@201: darkvater@1066: /* removed last signal from tile? */ tron@2493: if (GB(_m[tile].m3, 4, 4) == 0) { tron@2493: SB(_m[tile].m2, 4, 4, 0); tron@2493: SB(_m[tile].m5, 6, 2, RAIL_TYPE_NORMAL >> 6); // XXX >> because the constant is meant for direct application, not use with SB Darkvater@2916: CLRBIT(_m[tile].m4, 2); // remove any possible semaphores darkvater@1066: } tron@1109: darkvater@1066: SetSignalsOnBothDir(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 Darkvater@1796: * @see CmdSignalTrackHelper Darkvater@1796: */ darkvater@1227: int32 CmdRemoveSignalTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { darkvater@1229: return CmdSignalTrackHelper(x, y, flags, p1, SETBIT(p2, 0)); darkvater@1227: } darkvater@1227: tron@1977: typedef int32 DoConvertRailProc(TileIndex tile, uint totype, bool exec); truelight@0: tron@1977: static int32 DoConvertRail(TileIndex tile, uint totype, bool exec) truelight@0: { tron@2549: if (!CheckTileOwnership(tile) || !EnsureNoVehicle(tile)) return CMD_ERROR; truelight@0: truelight@0: // tile is already of requested type? tron@2549: if (GetRailType(tile) == totype) return CMD_ERROR; truelight@0: truelight@0: // change type. truelight@0: if (exec) { Darkvater@2499: SB(_m[tile].m3, 0, 4, totype); truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: matthijs@1942: return _price.build_rail / 2; truelight@0: } truelight@0: tron@1977: extern int32 DoConvertStationRail(TileIndex tile, uint totype, bool exec); tron@1977: extern int32 DoConvertStreetRail(TileIndex tile, uint totype, bool exec); tron@1977: extern int32 DoConvertTunnelBridgeRail(TileIndex tile, uint 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. Darkvater@1782: * @param ex,ey end tile of rail conversion drag Darkvater@1782: * @param p1 start tile of drag Darkvater@1782: * @param p2 new railtype to convert to Darkvater@1782: */ truelight@0: int32 CmdConvertRail(int ex, int ey, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: int32 ret, cost, money; 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: truelight@0: // make sure sx,sy are smaller than ex,ey matthijs@1942: sx = TileX(p1) * TILE_SIZE; matthijs@1942: sy = TileY(p1) * TILE_SIZE; truelight@0: if (ex < sx) intswap(ex, sx); truelight@0: if (ey < sy) intswap(ey, sy); truelight@201: truelight@0: money = GetAvailableMoneyForCommand(); truelight@0: cost = 0; truelight@201: matthijs@1942: for (x = sx; x <= ex; x += TILE_SIZE) { matthijs@1942: for (y = sy; y <= ey; y += TILE_SIZE) { tron@1980: TileIndex tile = TileVirtXY(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: Darkvater@1782: ret = proc(tile, 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: } Darkvater@1782: proc(tile, p2, true); truelight@0: } truelight@0: } truelight@0: } Darkvater@1782: Darkvater@1782: return (cost == 0) ? CMD_ERROR : cost; truelight@0: } truelight@0: tron@1977: static int32 RemoveTrainDepot(TileIndex tile, uint32 flags) truelight@0: { darkvater@149: if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (!EnsureNoVehicle(tile)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (flags & DC_EXEC) { tron@2549: Track track = TrackdirToTrack(DiagdirToDiagTrackdir(GetDepotDirection(tile, TRANSPORT_RAIL))); truelight@0: truelight@0: DoDeleteDepot(tile); truelight@0: SetSignalsOnBothDir(tile, track); truelight@0: } truelight@0: truelight@0: return _price.remove_train_depot; truelight@0: } truelight@0: tron@1534: static int32 ClearTile_Track(TileIndex tile, byte flags) tron@1534: { tron@1534: int32 cost; tron@1534: int32 ret; truelight@0: byte m5; truelight@0: tron@2049: m5 = _m[tile].m5; truelight@0: truelight@0: if (flags & DC_AUTO) { truelight@0: if (m5 & RAIL_TYPE_SPECIAL) truelight@0: return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED); truelight@0: tron@1901: if (!IsTileOwner(tile, _current_player)) truelight@0: return_cmd_error(STR_1024_AREA_IS_OWNED_BY_ANOTHER); truelight@0: truelight@0: return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK); truelight@0: } truelight@0: truelight@0: cost = 0; truelight@201: matthijs@1942: switch (GetRailTileType(tile)) { matthijs@2821: /* XXX: Why the fuck do we remove these thow signals first? */ tron@1534: case RAIL_TYPE_SIGNALS: matthijs@2821: if(HasSignalOnTrack(tile, TRACK_DIAG1)) { matthijs@2821: ret = DoCommandByTile(tile, TRACK_DIAG1, 0, flags, CMD_REMOVE_SIGNALS); peter1138@2737: if (CmdFailed(ret)) return CMD_ERROR; truelight@0: cost += ret; truelight@0: } matthijs@2821: if(HasSignalOnTrack(tile, TRACK_LOWER)) { matthijs@2821: ret = DoCommandByTile(tile, TRACK_LOWER, 0, flags, CMD_REMOVE_SIGNALS); peter1138@2737: if (CmdFailed(ret)) return CMD_ERROR; tron@1534: cost += ret; tron@1534: } truelight@0: matthijs@1942: m5 &= TRACK_BIT_MASK; tron@1598: if (!(flags & DC_EXEC)) { tron@1598: for (; m5 != 0; m5 >>= 1) if (m5 & 1) cost += _price.remove_rail; tron@1598: return cost; tron@1598: } tron@1534: /* FALLTHROUGH */ tron@1109: tron@1534: case RAIL_TYPE_NORMAL: { tron@1534: uint i; tron@1534: tron@1534: for (i = 0; m5 != 0; i++, m5 >>= 1) { tron@1534: if (m5 & 1) { tron@1598: ret = DoCommandByTile(tile, 0, i, flags, CMD_REMOVE_SINGLE_RAIL); peter1138@2737: if (CmdFailed(ret)) return CMD_ERROR; tron@1534: cost += ret; tron@1534: } tron@1534: } tron@1534: return cost; tron@1534: } tron@1534: matthijs@1942: case RAIL_TYPE_DEPOT_WAYPOINT: tron@1534: switch (m5 & RAIL_SUBTYPE_MASK) { tron@1534: case RAIL_SUBTYPE_DEPOT: tron@1534: return RemoveTrainDepot(tile, flags); tron@1534: tron@1534: case RAIL_SUBTYPE_WAYPOINT: tron@1534: return RemoveTrainWaypoint(tile, flags, false); tron@1534: tron@1534: default: tron@1534: return CMD_ERROR; tron@1534: } tron@1534: tron@1534: default: tron@1534: return CMD_ERROR; tron@1534: } truelight@0: } truelight@0: truelight@0: truelight@0: truelight@0: #include "table/track_land.h" truelight@0: truelight@0: // used for presignals Darkvater@2916: static const SpriteID _signal_base_sprites[16] = { truelight@0: 0x4FB, truelight@0: 0x1323, truelight@0: 0x1333, truelight@0: 0x1343, truelight@0: hackykid@2008: // semaphores truelight@0: 0x1353, truelight@0: 0x1363, truelight@0: 0x1373, truelight@0: 0x1383, truelight@0: truelight@0: // mirrored versions truelight@0: 0x4FB, truelight@0: 0x1323, truelight@0: 0x1333, truelight@0: 0x1343, truelight@201: hackykid@2008: // semaphores hackykid@2008: 0x1446, hackykid@2008: 0x1456, hackykid@2008: 0x1466, hackykid@2008: 0x1476, truelight@0: }; truelight@0: truelight@0: // used to determine the side of the road for the signal truelight@0: static const byte _signal_position[24] = { truelight@0: /* original: left side position */ truelight@0: 0x58,0x1E,0xE1,0xB9,0x01,0xA3,0x4B,0xEE,0x3B,0xD4,0x43,0xBD, truelight@0: /* patch: ride side position */ truelight@0: 0x1E,0xAC,0x64,0xE1,0x4A,0x10,0xEE,0xC5,0xDB,0x34,0x4D,0xB3 truelight@0: }; truelight@0: Darkvater@2436: static void DrawSignalHelper(const TileInfo *ti, byte condition, uint32 image_and_pos) truelight@0: { truelight@0: bool otherside = _opt.road_side & _patches.signal_side; truelight@0: truelight@0: uint v = _signal_position[(image_and_pos & 0xF) + (otherside ? 12 : 0)]; truelight@0: uint x = ti->x | (v&0xF); truelight@0: uint y = ti->y | (v>>4); Darkvater@2916: uint sprite = _signal_base_sprites[(_m[ti->tile].m4 & 0x7) + (otherside ? 8 : 0)] + (image_and_pos>>4) + ((condition != 0) ? 1 : 0); truelight@0: AddSortableSpriteToDraw(sprite, 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: { truelight@0: uint32 image = 0x515; tron@2645: if (ti->tileh != 0) image = (ti->tileh & 2) ? 0x519 : 0x51B; truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: 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: { truelight@0: uint32 image = 0x515; tron@2645: if (ti->tileh != 0) image = (ti->tileh & 2) ? 0x519 : 0x51B; truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: ti->x, ti->y+15, 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: { truelight@0: uint32 image = 0x516; tron@2645: if (ti->tileh != 0) image = (ti->tileh & 2) ? 0x51A : 0x51C; truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: 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: { truelight@0: uint32 image = 0x516; tron@2645: if (ti->tileh != 0) image = (ti->tileh & 2) ? 0x51A : 0x51C; truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: ti->x+15, 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@2639: if (ti->tileh & 1) z += 8; truelight@0: AddSortableSpriteToDraw(0x517 | _drawtile_track_palette, truelight@0: ti->x + 8, ti->y + 8, 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@2639: if (ti->tileh & 4) z += 8; truelight@0: AddSortableSpriteToDraw(0x517 | _drawtile_track_palette, truelight@0: ti->x + 8, ti->y + 8, 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@2639: if (ti->tileh & 8) z += 8; truelight@0: AddSortableSpriteToDraw(0x518 | _drawtile_track_palette, truelight@0: ti->x + 8, ti->y + 8, 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@2639: if (ti->tileh & 2) z += 8; truelight@0: AddSortableSpriteToDraw(0x518 | _drawtile_track_palette, truelight@0: ti->x + 8, ti->y + 8, 1, 1, 4, z); truelight@0: } truelight@0: Darkvater@2436: static void DetTrackDrawProc_Null(const TileInfo *ti) truelight@0: { truelight@0: /* nothing should be here */ truelight@0: } truelight@0: Darkvater@2436: typedef void DetailedTrackProc(const TileInfo *ti); tron@2752: static DetailedTrackProc* const _detailed_track_proc[] = { truelight@0: DetTrackDrawProc_Null, truelight@0: DetTrackDrawProc_Null, truelight@201: truelight@0: DrawTrackFence_NW, truelight@0: DrawTrackFence_SE, truelight@0: DrawTrackFence_NW_SE, truelight@201: truelight@0: DrawTrackFence_NE, truelight@0: DrawTrackFence_SW, truelight@0: DrawTrackFence_NE_SW, truelight@201: truelight@0: DrawTrackFence_NS_1, truelight@0: DrawTrackFence_NS_2, truelight@201: truelight@0: DrawTrackFence_WE_1, truelight@0: DrawTrackFence_WE_2, truelight@201: truelight@0: DetTrackDrawProc_Null, truelight@0: DetTrackDrawProc_Null, truelight@0: DetTrackDrawProc_Null, truelight@0: DetTrackDrawProc_Null, truelight@0: }; truelight@0: celestar@2254: static void DrawSpecialBuilding(uint32 image, uint32 offset, tron@2549: const TileInfo* ti, celestar@389: byte x, byte y, byte z, celestar@389: byte xsize, byte ysize, byte zsize) celestar@389: { tron@2549: if (image & PALETTE_MODIFIER_COLOR) image |= _drawtile_track_palette; celestar@2254: image += offset; tron@2549: if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image); celestar@389: AddSortableSpriteToDraw(image, ti->x + x, ti->y + y, xsize, ysize, zsize, ti->z + z); celestar@389: } celestar@389: peter1138@2472: /** peter1138@2472: * Draw ground sprite and track bits peter1138@2472: * @param ti TileInfo peter1138@2472: * @param track TrackBits to draw peter1138@2472: * @param earth Draw as earth peter1138@2472: * @param snow Draw as snow peter1138@2472: * @param flat Always draw foundation peter1138@2472: */ tron@2817: static void DrawTrackBits(TileInfo* ti, TrackBits track, bool earth, bool snow, bool flat) peter1138@2472: { peter1138@2472: const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile)); peter1138@2472: PalSpriteID image; peter1138@2472: bool junction = false; peter1138@2472: peter1138@2472: // Select the sprite to use. peter1138@2472: (image = rti->base_sprites.track_y, track == TRACK_BIT_DIAG2) || peter1138@2472: (image++, track == TRACK_BIT_DIAG1) || 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) || peter1138@2472: (image++, track == (TRACK_BIT_DIAG1 | TRACK_BIT_DIAG2)) || peter1138@2472: peter1138@2472: (image = rti->base_sprites.track_ns, track == (TRACK_BIT_UPPER | TRACK_BIT_LOWER)) || peter1138@2472: (image++, track == (TRACK_BIT_LEFT | TRACK_BIT_RIGHT)) || peter1138@2472: peter1138@2472: (junction = true, false) || peter1138@2472: (image = rti->base_sprites.ground, !(track & (TRACK_BIT_RIGHT | TRACK_BIT_UPPER | TRACK_BIT_DIAG1))) || peter1138@2472: (image++, !(track & (TRACK_BIT_LEFT | TRACK_BIT_LOWER | TRACK_BIT_DIAG1))) || peter1138@2472: (image++, !(track & (TRACK_BIT_LEFT | TRACK_BIT_UPPER | TRACK_BIT_DIAG2))) || peter1138@2472: (image++, !(track & (TRACK_BIT_RIGHT | TRACK_BIT_LOWER | TRACK_BIT_DIAG2))) || peter1138@2472: (image++, true); peter1138@2472: peter1138@2472: if (ti->tileh != 0) { peter1138@2472: int foundation; peter1138@2472: peter1138@2472: if (flat) { peter1138@2472: foundation = ti->tileh; peter1138@2472: } else { peter1138@2472: foundation = GetRailFoundation(ti->tileh, track); peter1138@2472: } peter1138@2472: peter1138@2472: if (foundation != 0) peter1138@2472: DrawFoundation(ti, foundation); peter1138@2472: peter1138@2472: // DrawFoundation() modifies ti. peter1138@2472: // Default sloped sprites.. peter1138@2472: if (ti->tileh != 0) peter1138@2472: image = _track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.track_y; peter1138@2472: } peter1138@2472: peter1138@2472: if (earth) { peter1138@2472: image = (image & SPRITE_MASK) | PALETTE_TO_BARE_LAND; // Use brown palette peter1138@2472: } else if (snow) { peter1138@2472: image += rti->snow_offset; peter1138@2472: } peter1138@2472: peter1138@2472: DrawGroundSprite(image); peter1138@2472: peter1138@2472: // Draw track pieces individually for junction tiles peter1138@2472: if (junction) { peter1138@2472: if (track & TRACK_BIT_DIAG1) DrawGroundSprite(rti->base_sprites.single_y); peter1138@2472: if (track & TRACK_BIT_DIAG2) DrawGroundSprite(rti->base_sprites.single_x); peter1138@2472: if (track & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n); peter1138@2472: if (track & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s); peter1138@2472: if (track & TRACK_BIT_LEFT) DrawGroundSprite(rti->base_sprites.single_w); peter1138@2472: if (track & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e); peter1138@2472: } peter1138@2472: } peter1138@2472: truelight@0: static void DrawTile_Track(TileInfo *ti) truelight@0: { truelight@0: byte m5; celestar@2233: const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile)); peter1138@2472: PalSpriteID image; truelight@0: tron@1901: _drawtile_track_palette = SPRITE_PALETTE(PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile))); truelight@0: truelight@0: m5 = (byte)ti->map5; truelight@0: if (!(m5 & RAIL_TYPE_SPECIAL)) { peter1138@2472: bool earth = (_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_BROWN; peter1138@2472: bool snow = (_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_ICE_DESERT; truelight@201: peter1138@2472: DrawTrackBits(ti, m5 & TRACK_BIT_MASK, earth, snow, false); hackykid@2008: truelight@0: if (_display_opt & DO_FULL_DETAIL) { tron@2049: _detailed_track_proc[_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK](ti); truelight@0: } truelight@0: truelight@0: /* draw signals also? */ truelight@0: if (!(ti->map5 & RAIL_TYPE_SIGNALS)) truelight@0: return; truelight@0: truelight@0: { truelight@0: byte m23; truelight@0: tron@2049: m23 = (_m[ti->tile].m3 >> 4) | (_m[ti->tile].m2 & 0xF0); truelight@0: truelight@0: #define HAS_SIGNAL(x) (m23 & (byte)(0x1 << (x))) truelight@0: #define ISON_SIGNAL(x) (m23 & (byte)(0x10 << (x))) truelight@0: #define MAYBE_DRAW_SIGNAL(x,y,z) if (HAS_SIGNAL(x)) DrawSignalHelper(ti, ISON_SIGNAL(x), ((y-0x4FB) << 4)|(z)) truelight@0: matthijs@1942: if (!(m5 & TRACK_BIT_DIAG2)) { matthijs@1942: if (!(m5 & TRACK_BIT_DIAG1)) { matthijs@1942: if (m5 & TRACK_BIT_LEFT) { truelight@0: MAYBE_DRAW_SIGNAL(2, 0x509, 0); truelight@0: MAYBE_DRAW_SIGNAL(3, 0x507, 1); truelight@0: } matthijs@1942: if (m5 & TRACK_BIT_RIGHT) { truelight@0: MAYBE_DRAW_SIGNAL(0, 0x509, 2); truelight@0: MAYBE_DRAW_SIGNAL(1, 0x507, 3); truelight@0: } matthijs@1942: if (m5 & TRACK_BIT_UPPER) { truelight@0: MAYBE_DRAW_SIGNAL(3, 0x505, 4); truelight@0: MAYBE_DRAW_SIGNAL(2, 0x503, 5); truelight@0: } matthijs@1942: if (m5 & TRACK_BIT_LOWER) { truelight@0: MAYBE_DRAW_SIGNAL(1, 0x505, 6); truelight@0: MAYBE_DRAW_SIGNAL(0, 0x503, 7); truelight@0: } truelight@0: } else { truelight@0: MAYBE_DRAW_SIGNAL(3, 0x4FB, 8); truelight@0: MAYBE_DRAW_SIGNAL(2, 0x4FD, 9); truelight@0: } truelight@0: } else { truelight@0: MAYBE_DRAW_SIGNAL(3, 0x4FF, 10); truelight@0: MAYBE_DRAW_SIGNAL(2, 0x501, 11); truelight@0: } truelight@0: } truelight@0: } else { darkvater@395: /* draw depots / waypoints */ truelight@0: const DrawTrackSeqStruct *drss; darkvater@395: byte type = m5 & 0x3F; // 0-3: depots, 4-5: waypoints truelight@0: matthijs@1942: if (!(m5 & (RAIL_TILE_TYPE_MASK&~RAIL_TYPE_SPECIAL))) matthijs@1942: /* XXX: There used to be "return;" here, but since I could not find out matthijs@1942: * why this would ever occur, I put assert(0) here. Let's see if someone matthijs@1942: * complains about it. If not, we'll remove this check. (Matthijs). */ matthijs@1942: assert(0); truelight@201: tron@2549: if (ti->tileh != 0) DrawFoundation(ti, ti->tileh); truelight@0: truelight@2668: if (IsRailWaypoint(ti->tile) && HASBIT(_m[ti->tile].m3, 4)) { celestar@389: // look for customization peter1138@2670: byte stat_id = GetWaypointByTile(ti->tile)->stat_id; peter1138@2670: const StationSpec *stat = GetCustomStation(STAT_CLASS_WAYP, stat_id); celestar@389: peter1138@2624: if (stat != NULL) { celestar@389: DrawTileSeqStruct const *seq; darkvater@403: // emulate station tile - open with building peter1138@2624: const DrawTileSprites *cust = &stat->renderdata[2 + (m5 & 0x1)]; darkvater@413: uint32 relocation = GetCustomStationRelocation(stat, ComposeWaypointStation(ti->tile), 0); celestar@389: celestar@447: /* We don't touch the 0x8000 bit. In all this celestar@447: * waypoint code, it is used to indicate that celestar@447: * we should offset by railtype, but we always celestar@447: * do that for custom ground sprites and never celestar@447: * for station sprites. And in the drawing celestar@447: * code, it is used to indicate that the sprite celestar@447: * should be drawn in company colors, and it's celestar@447: * up to the GRF file to decide that. */ celestar@447: dominik@417: image = cust->ground_sprite; celestar@2254: image += (image < _custom_sprites_base) ? rti->total_offset : GetRailType(ti->tile); dominik@415: celestar@389: DrawGroundSprite(image); celestar@389: celestar@389: foreach_draw_tile_seq(seq, cust->seq) { darkvater@403: uint32 image = seq->image + relocation; celestar@447: DrawSpecialBuilding(image, 0, ti, celestar@389: seq->delta_x, seq->delta_y, seq->delta_z, celestar@389: seq->width, seq->height, seq->unk); celestar@389: } celestar@389: return; celestar@389: } celestar@389: } celestar@389: tron@1399: drss = _track_depot_layout_table[type]; truelight@0: tron@1399: image = drss++->image; celestar@2254: /* @note This is kind of an ugly hack, as the PALETTE_MODIFIER_COLOR indicates celestar@2254: * whether the sprite is railtype dependent. Rewrite this asap */ celestar@2254: if (image & PALETTE_MODIFIER_COLOR) image = (image & SPRITE_MASK) + rti->total_offset; truelight@0: truelight@0: // adjust ground tile for desert dominik@283: // (don't adjust for arctic depots, because snow in depots looks weird) celestar@2254: // type >= 4 means waypoints peter1138@2670: if ((_m[ti->tile].m4 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_ICE_DESERT && (_opt.landscape == LT_DESERT || type >= 4)) { tron@2549: if (image != SPR_FLAT_GRASS_TILE) { celestar@2254: image += rti->snow_offset; // tile with tracks tron@2549: } else { celestar@2254: image = SPR_FLAT_SNOWY_TILE; // flat ground tron@2549: } truelight@0: } truelight@0: truelight@0: DrawGroundSprite(image); truelight@0: tron@2549: for (; drss->image != 0; drss++) { tron@2549: DrawSpecialBuilding(drss->image, type < 4 ? rti->total_offset : 0, ti, celestar@389: drss->subcoord_x, drss->subcoord_y, 0, celestar@389: drss->width, drss->height, 0x17); truelight@0: } truelight@0: } truelight@0: } truelight@0: tron@2520: void DrawTrainDepotSprite(int x, int y, int image, RailType railtype) truelight@0: { truelight@0: uint32 ormod, img; celestar@2254: const RailtypeInfo *rti = GetRailTypeInfo(railtype); truelight@0: const DrawTrackSeqStruct *dtss; truelight@0: truelight@0: ormod = PLAYER_SPRITE_COLOR(_local_player); truelight@0: tron@1399: dtss = _track_depot_layout_table[image]; truelight@0: tron@2549: x += 33; tron@2549: y += 17; truelight@0: tron@1399: img = dtss++->image; celestar@2254: /* @note This is kind of an ugly hack, as the PALETTE_MODIFIER_COLOR indicates celestar@2254: * whether the sprite is railtype dependent. Rewrite this asap */ celestar@2254: if (img & PALETTE_MODIFIER_COLOR) img = (img & SPRITE_MASK) + rti->total_offset; truelight@0: DrawSprite(img, x, y); truelight@0: tron@1399: for (; dtss->image != 0; dtss++) { truelight@0: Point pt = RemapCoords(dtss->subcoord_x, dtss->subcoord_y, 0); truelight@0: image = dtss->image; celestar@2187: if (image & PALETTE_MODIFIER_COLOR) image |= ormod; celestar@2254: DrawSprite(image + rti->total_offset, x + pt.x, y + pt.y); truelight@0: } truelight@0: } truelight@0: tron@2520: void DrawDefaultWaypointSprite(int x, int y, RailType railtype) ludde@2261: { ludde@2261: const DrawTrackSeqStruct *dtss = _track_depot_layout_table[4]; ludde@2261: const RailtypeInfo *rti = GetRailTypeInfo(railtype); ludde@2261: uint32 img; ludde@2261: ludde@2261: img = dtss++->image; ludde@2261: if (img & PALETTE_MODIFIER_COLOR) img = (img & SPRITE_MASK) + rti->total_offset; ludde@2261: DrawSprite(img, x, y); ludde@2261: ludde@2261: for (; dtss->image != 0; dtss++) { ludde@2261: Point pt = RemapCoords(dtss->subcoord_x, dtss->subcoord_y, 0); ludde@2261: img = dtss->image; ludde@2261: if (img & PALETTE_MODIFIER_COLOR) img |= PLAYER_SPRITE_COLOR(_local_player); ludde@2261: DrawSprite(img, x + pt.x, y + pt.y); ludde@2261: } ludde@2261: } ludde@2261: truelight@0: typedef struct SetSignalsData { truelight@0: int cur; truelight@0: int cur_stack; truelight@0: bool stop; truelight@0: bool has_presignal; truelight@201: truelight@0: // presignal info truelight@0: int presignal_exits; truelight@0: int presignal_exits_free; truelight@0: truelight@0: // these are used to keep track of the signals that change. truelight@0: byte bit[NUM_SSD_ENTRY]; truelight@0: TileIndex tile[NUM_SSD_ENTRY]; truelight@0: truelight@0: // these are used to keep track of the stack that modifies presignals recursively truelight@0: TileIndex next_tile[NUM_SSD_STACK]; truelight@0: byte next_dir[NUM_SSD_STACK]; truelight@0: truelight@0: } SetSignalsData; truelight@0: tron@1977: static bool SetSignalsEnumProc(TileIndex tile, SetSignalsData *ssd, int track, uint length, byte *state) truelight@0: { truelight@0: // the tile has signals? tron@1035: if (IsTileType(tile, MP_RAILWAY)) { matthijs@1942: if (HasSignalOnTrack(tile, TrackdirToTrack(track))) { matthijs@2821: if (HasSignalOnTrackdir(tile, ReverseTrackdir(track))) { matthijs@1942: // yes, add the signal to the list of signals matthijs@1942: if (ssd->cur != NUM_SSD_ENTRY) { matthijs@1942: ssd->tile[ssd->cur] = tile; // remember the tile index matthijs@1942: ssd->bit[ssd->cur] = track; // and the controlling bit number matthijs@1942: ssd->cur++; truelight@0: } truelight@201: matthijs@1942: // remember if this block has a presignal. tron@2049: ssd->has_presignal |= (_m[tile].m4&1); matthijs@1942: } truelight@0: Darkvater@2916: if (HasSignalOnTrackdir(tile, track) && (_m[tile].m4 & 2)) { Darkvater@2916: // this is an exit signal that points out from the segment Darkvater@2916: ssd->presignal_exits++; Darkvater@2916: if (GetSignalState(tile, track) != SIGNAL_STATE_RED) Darkvater@2916: ssd->presignal_exits_free++; truelight@0: } matthijs@1942: matthijs@1942: return true; tron@2549: } else if (IsTileDepotType(tile, TRANSPORT_RAIL)) { truelight@0: return true; // don't look further if the tile is a depot tron@2549: } truelight@0: } truelight@0: return false; truelight@0: } truelight@0: truelight@1555: /* Struct to parse data from VehicleFromPos to SignalVehicleCheckProc */ truelight@1555: typedef struct SignalVehicleCheckStruct { truelight@1555: TileIndex tile; truelight@1555: uint track; truelight@1555: } SignalVehicleCheckStruct; truelight@1555: truelight@1555: static void *SignalVehicleCheckProc(Vehicle *v, void *data) truelight@1555: { tron@2549: const SignalVehicleCheckStruct* dest = data; truelight@1555: TileIndex tile; truelight@1555: tron@2549: if (v->type != VEH_Train) return NULL; truelight@1609: truelight@1555: /* Find the tile outside the tunnel, for signalling */ tron@2549: if (v->u.rail.track == 0x40) { truelight@1555: tile = GetVehicleOutOfTunnelTile(v); tron@2549: } else { truelight@1555: tile = v->tile; tron@2549: } truelight@1555: truelight@1555: /* Wrong tile, or no train? Not a match */ tron@2549: if (tile != dest->tile) return NULL; truelight@1555: truelight@1555: /* Are we on the same piece of track? */ tron@2549: if (dest->track & (v->u.rail.track + (v->u.rail.track << 8))) 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: Darkvater@1818: /** @todo "Hackish" fix for the tunnel problems. This is needed because a tunnel Darkvater@1818: * is some kind of invisible black hole, and there is some special magic going Darkvater@1818: * on in there. This 'workaround' can be removed once the maprewrite is done. Darkvater@1818: */ tron@2549: if (IsTileType(tile, MP_TUNNELBRIDGE) && GB(_m[tile].m5, 4, 4) == 0) { matthijs@1816: // It is a tunnel we're checking, we need to do some special stuff matthijs@1816: // because VehicleFromPos will not find the vihicle otherwise tron@2493: byte direction = GB(_m[tile].m5, 0, 2); matthijs@1816: FindLengthOfTunnelResult flotr; matthijs@1816: flotr = FindLengthOfTunnel(tile, direction); 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: matthijs@1816: // 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: matthijs@1816: // check for a vehicle with that trackdir on the end tile of the tunnel Darkvater@1818: if (VehicleFromPos(flotr.tile, &dest, SignalVehicleCheckProc) != NULL) return true; matthijs@1816: matthijs@1816: // now check all tiles from start to end for a "hidden" vehicle matthijs@1816: // NOTE: the hashes for tiles may overlap, so this could maybe be optimised a bit by not checking every tile? matthijs@1816: dest.track = 0x40; // trackbit for vehicles "hidden" inside a tunnel matthijs@1816: for (; tile != flotr.tile; tile += TileOffsByDir(direction)) { matthijs@1816: if (VehicleFromPos(tile, &dest, SignalVehicleCheckProc) != NULL) matthijs@1816: return true; matthijs@1816: } matthijs@1816: matthijs@1816: // 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: { truelight@0: SetSignalsData *ssd = 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 */ truelight@0: } while ((offs=link->next) != 0xFFFF); truelight@0: } truelight@0: } truelight@0: } truelight@0: truelight@0: static const byte _dir_from_track[14] = { truelight@0: 0,1,0,1,2,1, 0,0, truelight@0: 2,3,3,2,3,0, truelight@0: }; truelight@0: truelight@0: truelight@0: static void ChangeSignalStates(SetSignalsData *ssd) truelight@0: { truelight@0: int i; truelight@0: truelight@0: // thinking about presignals... truelight@0: // the presignal is green if, truelight@0: // if no train is in the segment AND truelight@0: // there is at least one green exit signal OR truelight@0: // there are no exit signals in the segment truelight@0: truelight@0: // 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]); tron@2049: uint16 m2 = _m[tile].m2; truelight@0: truelight@0: // presignals don't turn green if there is at least one presignal exit and none are free tron@2049: if (_m[tile].m4 & 1) { truelight@0: int ex = ssd->presignal_exits, exfree = ssd->presignal_exits_free; truelight@0: truelight@0: // subtract for dual combo signals so they don't count themselves matthijs@2821: if (_m[tile].m4&2 && HasSignalOnTrackdir(tile, ssd->bit[i])) { truelight@0: ex--; matthijs@2821: if (GetSignalState(tile, ssd->bit[i]) != SIGNAL_STATE_RED) exfree--; truelight@0: } truelight@0: truelight@0: // if we have exits and none are free, make red. truelight@0: if (ex && !exfree) goto make_red; truelight@0: } truelight@0: truelight@0: // check if the signal is unaffected. truelight@0: if (ssd->stop) { truelight@0: make_red: truelight@0: // turn red truelight@0: if ( (bit&m2) == 0 ) truelight@201: continue; truelight@0: } else { truelight@0: // turn green truelight@0: if ( (bit&m2) != 0 ) truelight@0: continue; truelight@0: } truelight@0: Darkvater@1813: /* Update signals on the other side of this exit-combo signal; it changed. */ tron@2049: if (_m[tile].m4 & 2 ) { 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@1813: printf("NUM_SSD_STACK too small\n"); /// @todo WTF is this??? truelight@0: } truelight@0: } truelight@201: truelight@0: // it changed, so toggle it tron@2049: _m[tile].m2 = m2 ^ bit; truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: truelight@0: tron@1977: bool UpdateSignalsOnSegment(TileIndex tile, byte direction) truelight@0: { truelight@0: SetSignalsData ssd; truelight@0: int result = -1; truelight@0: truelight@0: ssd.cur_stack = 0; tron@2549: direction >>= 1; truelight@0: truelight@0: for(;;) { truelight@0: // 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: truelight@159: FollowTrack(tile, 0xC000 | TRANSPORT_RAIL, direction, (TPFEnumProc*)SetSignalsEnumProc, SetSignalsAfterProc, &ssd); truelight@0: ChangeSignalStates(&ssd); truelight@0: truelight@0: // remember the result only for the first iteration. truelight@0: if (result < 0) result = ssd.stop; truelight@201: truelight@0: // 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: truelight@0: // 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: truelight@0: return (bool)result; truelight@0: } truelight@0: tron@1977: void SetSignalsOnBothDir(TileIndex tile, byte track) truelight@0: { truelight@0: static const byte _search_dir_1[6] = {1, 3, 1, 3, 5, 3}; truelight@0: static const byte _search_dir_2[6] = {5, 7, 7, 5, 7, 1}; truelight@0: truelight@0: UpdateSignalsOnSegment(tile, _search_dir_1[track]); truelight@0: UpdateSignalsOnSegment(tile, _search_dir_2[track]); truelight@0: } truelight@0: tron@2537: static uint GetSlopeZ_Track(const TileInfo* ti) truelight@0: { truelight@0: uint z = ti->z; truelight@0: int th = ti->tileh; dominik@13: truelight@0: // check if it's a foundation truelight@0: if (ti->tileh != 0) { truelight@0: if ((ti->map5 & 0x80) == 0) { truelight@0: uint f = GetRailFoundation(ti->tileh, ti->map5 & 0x3F); truelight@0: if (f != 0) { truelight@0: if (f < 15) { truelight@0: // leveled foundation truelight@0: return z + 8; truelight@0: } truelight@0: // inclined foundation truelight@0: th = _inclined_tileh[f - 15]; truelight@0: } truelight@0: } else if ((ti->map5 & 0xC0) == 0xC0) { darkvater@395: // depot or waypoint truelight@0: return z + 8; truelight@0: } truelight@0: return GetPartialZ(ti->x&0xF, ti->y&0xF, th) + z; truelight@0: } truelight@0: return z; truelight@0: } truelight@0: Darkvater@2436: static uint GetSlopeTileh_Track(const TileInfo *ti) dominik@39: { dominik@39: // check if it's a foundation dominik@39: if (ti->tileh != 0) { dominik@39: if ((ti->map5 & 0x80) == 0) { dominik@39: uint f = GetRailFoundation(ti->tileh, ti->map5 & 0x3F); dominik@39: if (f != 0) { dominik@39: if (f < 15) { dominik@39: // leveled foundation dominik@39: return 0; dominik@39: } dominik@39: // inclined foundation dominik@39: return _inclined_tileh[f - 15]; dominik@39: } dominik@39: } else if ((ti->map5 & 0xC0) == 0xC0) { darkvater@395: // depot or waypoint dominik@39: return 0; dominik@39: } dominik@39: } dominik@39: return ti->tileh; 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: { peter1138@2667: byte old_ground; peter1138@2667: byte new_ground; truelight@0: peter1138@2670: old_ground = _m[tile].m5 & RAIL_TYPE_SPECIAL ? GB(_m[tile].m4, 0, 4) : GB(_m[tile].m2, 0, 4); truelight@0: tron@2631: switch (_opt.landscape) { tron@2631: case LT_HILLY: tron@2631: if (GetTileZ(tile) > _opt.snow_line) { /* convert into snow? */ peter1138@2667: new_ground = RAIL_GROUND_ICE_DESERT; tron@2631: goto modify_me; tron@2631: } tron@2631: break; truelight@0: tron@2631: case LT_DESERT: tron@2631: if (GetMapExtraBits(tile) == 1) { /* convert into desert? */ peter1138@2667: new_ground = RAIL_GROUND_ICE_DESERT; tron@2631: goto modify_me; tron@2631: } tron@2631: break; truelight@0: } truelight@0: truelight@0: // Don't continue tile loop for depots tron@2639: if (_m[tile].m5 & RAIL_TYPE_SPECIAL) return; truelight@0: peter1138@2667: new_ground = RAIL_GROUND_GREEN; truelight@0: peter1138@2667: if (old_ground != RAIL_GROUND_BROWN) { /* wait until bottom is green */ truelight@0: /* determine direction of fence */ tron@2839: TrackBits rail = _m[tile].m5 & TRACK_BIT_MASK; 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@2839: !(rail & (TRACK_BIT_DIAG2 | TRACK_BIT_UPPER | TRACK_BIT_LEFT)) && tron@2839: (rail & TRACK_BIT_DIAG1) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(0, -1); truelight@0: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == TRACK_BIT_UPPER || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == 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@2839: !(rail & (TRACK_BIT_DIAG2 | TRACK_BIT_LOWER | TRACK_BIT_RIGHT)) && tron@2839: (rail & TRACK_BIT_DIAG1) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(0, 1); tron@2839: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == TRACK_BIT_LOWER || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == 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@2839: !(rail & (TRACK_BIT_DIAG1 | TRACK_BIT_UPPER | TRACK_BIT_RIGHT)) && tron@2839: (rail & TRACK_BIT_DIAG2) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(-1, 0); tron@2839: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == TRACK_BIT_UPPER || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == 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@2839: !(rail & (TRACK_BIT_DIAG1 | TRACK_BIT_LOWER | TRACK_BIT_LEFT)) && tron@2839: (rail & TRACK_BIT_DIAG2) tron@2839: )) { tron@2839: TileIndex n = tile + TileDiffXY(1, 0); tron@2839: tron@2839: if (!IsTileType(n, MP_RAILWAY) || tron@2839: !IsTileOwner(n, owner) || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == TRACK_BIT_LOWER || tron@2841: (_m[n].m5 & TRACK_BIT_MASK) == 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: truelight@0: modify_me:; truelight@0: /* tile changed? */ peter1138@2667: if (old_ground != new_ground) { peter1138@2670: if (_m[tile].m5 & RAIL_TYPE_SPECIAL) { peter1138@2670: SB(_m[tile].m4, 0, 4, new_ground); peter1138@2670: } else { peter1138@2670: SB(_m[tile].m2, 0, 4, new_ground); peter1138@2670: } truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: truelight@0: tron@1977: static uint32 GetTileTrackStatus_Track(TileIndex tile, TransportType mode) tron@1977: { truelight@817: byte m5, a; truelight@817: uint16 b; truelight@0: uint32 ret; truelight@0: tron@2639: if (mode != TRANSPORT_RAIL) return 0; truelight@0: tron@2049: m5 = _m[tile].m5; truelight@0: truelight@0: if (!(m5 & RAIL_TYPE_SPECIAL)) { truelight@0: ret = (m5 | (m5 << 8)) & 0x3F3F; truelight@0: if (!(m5 & RAIL_TYPE_SIGNALS)) { truelight@0: if ( (ret & 0xFF) == 3) darkvater@22: /* Diagonal crossing? */ truelight@0: ret |= 0x40; truelight@0: } else { truelight@0: /* has_signals */ truelight@0: tron@2049: a = _m[tile].m3; tron@2049: b = _m[tile].m2; 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' */ tron@2549: if ((a & 0xC0) == 0) b |= 0xC0; tron@2549: if ((a & 0x30) == 0) b |= 0x30; truelight@0: tron@2639: if ((b & 0x80) == 0) ret |= 0x10070000; tron@2639: if ((b & 0x40) == 0) ret |= 0x07100000; tron@2639: if ((b & 0x20) == 0) ret |= 0x20080000; tron@2639: if ((b & 0x10) == 0) ret |= 0x08200000; truelight@0: } truelight@0: } else if (m5 & 0x40) { truelight@0: static const byte _train_spec_tracks[6] = {1,2,1,2,1,2}; truelight@0: m5 = _train_spec_tracks[m5 & 0x3F]; truelight@0: ret = (m5 << 8) + m5; truelight@0: } else truelight@0: return 0; truelight@0: return ret; truelight@0: } truelight@0: tron@1977: static void ClickTile_Track(TileIndex tile) truelight@0: { tron@2548: if (IsTileDepotType(tile, TRANSPORT_RAIL)) { truelight@0: ShowTrainDepotWindow(tile); truelight@2668: } else if (IsRailWaypoint(tile)) { truelight@1542: ShowRenameWaypointWindow(GetWaypointByTile(tile)); 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)) { tron@1590: case RAIL_TYPE_NORMAL: truelight@0: td->str = STR_1021_RAILROAD_TRACK; tron@1590: break; tron@1590: tron@1590: case RAIL_TYPE_SIGNALS: { Darkvater@2916: const StringID signal_type[] = { tron@1590: STR_RAILROAD_TRACK_WITH_NORMAL_SIGNALS, tron@1590: STR_RAILROAD_TRACK_WITH_PRESIGNALS, tron@1590: STR_RAILROAD_TRACK_WITH_EXITSIGNALS, Darkvater@2916: STR_RAILROAD_TRACK_WITH_COMBOSIGNALS tron@1590: }; tron@1590: Darkvater@2916: td->str = signal_type[GB(_m[tile].m4, 0, 2)]; tron@1590: break; truelight@0: } tron@1590: matthijs@1942: case RAIL_TYPE_DEPOT_WAYPOINT: tron@1590: default: tron@2049: td->str = ((_m[tile].m5 & RAIL_SUBTYPE_MASK) == RAIL_SUBTYPE_DEPOT) ? tron@1590: STR_1023_RAILROAD_TRAIN_DEPOT : 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: tron@2502: if (new_player != OWNER_SPECTATOR) { tron@1902: SetTileOwner(tile, new_player); truelight@0: } else { truelight@0: DoCommandByTile(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 }; hackykid@1922: static const byte _deltacoord_leaveoffset[8] = { hackykid@1922: -1, 0, 1, 0, /* x */ hackykid@1922: 0, 1, 0, -1 /* y */ hackykid@1922: }; truelight@0: static const byte _enter_directions[4] = {5, 7, 1, 3}; truelight@0: static const byte _leave_directions[4] = {1, 3, 5, 7}; truelight@0: static const byte _depot_track_mask[4] = {1, 2, 1, 2}; 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; truelight@0: int dir; hackykid@1922: int length; truelight@201: truelight@0: // this routine applies only to trains in depot tiles tron@2639: if (v->type != VEH_Train || !IsTileDepotType(tile, TRANSPORT_RAIL)) return 0; truelight@0: truelight@0: /* depot direction */ matthijs@1942: dir = GetDepotDirection(tile, TRANSPORT_RAIL); 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 = hackykid@1922: ((_fractcoords_enter[dir] & 0x0F) + // x hackykid@1922: (length + 1) * _deltacoord_leaveoffset[dir]) + hackykid@1922: (((_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 */ truelight@0: return 8; truelight@0: } else if (_fractcoords_enter[dir] == fract_coord) { truelight@0: if (_enter_directions[dir] == v->direction) { truelight@0: /* enter the depot */ truelight@0: v->u.rail.track = 0x80, truelight@0: v->vehstatus |= VS_HIDDEN; /* hide it */ truelight@0: v->direction ^= 4; truelight@0: if (v->next == NULL) truelight@0: TrainEnterDepot(v, tile); truelight@0: v->tile = tile; truelight@0: InvalidateWindow(WC_VEHICLE_DEPOT, tile); truelight@0: return 4; truelight@0: } hackykid@1922: } else if (fract_coord_leave == fract_coord) { truelight@0: if (_leave_directions[dir] == v->direction) { truelight@0: /* leave the depot? */ truelight@0: if ((v=v->next) != NULL) { truelight@0: v->vehstatus &= ~VS_HIDDEN; truelight@0: v->u.rail.track = _depot_track_mask[dir]; matthijs@1330: assert(v->u.rail.track); truelight@0: } truelight@0: } truelight@0: } truelight@0: truelight@0: return 0; truelight@0: } truelight@0: tron@1093: void InitializeRail(void) truelight@0: { truelight@0: _last_built_train_depot_tile = 0; truelight@0: } truelight@0: truelight@0: const TileTypeProcs _tile_type_rail_procs = { truelight@0: DrawTile_Track, /* draw_tile_proc */ truelight@0: GetSlopeZ_Track, /* get_slope_z_proc */ truelight@0: ClearTile_Track, /* clear_tile_proc */ truelight@0: GetAcceptedCargo_Track, /* get_accepted_cargo_proc */ truelight@0: GetTileDesc_Track, /* get_tile_desc_proc */ truelight@0: GetTileTrackStatus_Track, /* get_tile_track_status_proc */ truelight@0: ClickTile_Track, /* click_tile_proc */ truelight@0: AnimateTile_Track, /* animate_tile_proc */ truelight@0: TileLoop_Track, /* tile_loop_clear */ truelight@0: ChangeTileOwner_Track, /* change_tile_owner_clear */ truelight@0: NULL, /* get_produced_cargo_proc */ truelight@0: VehicleEnter_Track, /* vehicle_enter_tile_proc */ truelight@0: NULL, /* vehicle_leave_tile_proc */ dominik@39: GetSlopeTileh_Track, /* get_slope_tileh_proc */ truelight@0: };