truelight@0: #include "stdafx.h" truelight@0: #include "ttd.h" tron@1363: #include "table/sprites.h" tron@507: #include "table/strings.h" tron@1009: #include "gfx.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" 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@0: dominik@415: extern uint16 _custom_sprites_base; dominik@415: truelight@0: void ShowTrainDepotWindow(uint tile); truelight@0: darkvater@22: enum { /* These values are bitmasks for the map5 byte */ truelight@0: RAIL_TYPE_NORMAL = 0, truelight@0: RAIL_TYPE_SIGNALS = 0x40, truelight@0: RAIL_TYPE_SPECIAL = 0x80, // If this bit is set, then it's not a regular track. truelight@0: RAIL_TYPE_DEPOT = 0xC0, truelight@0: RAIL_TYPE_MASK = 0xC0, truelight@0: truelight@0: RAIL_BIT_DIAG1 = 1, // 0 truelight@0: RAIL_BIT_DIAG2 = 2, // 1 truelight@0: RAIL_BIT_UPPER = 4, // 2 truelight@0: RAIL_BIT_LOWER = 8, // 3 truelight@0: RAIL_BIT_LEFT = 16, // 4 truelight@0: RAIL_BIT_RIGHT = 32, // 5 truelight@0: RAIL_BIT_MASK = 0x3F, truelight@0: truelight@0: RAIL_DEPOT_TRACK_MASK = 1, truelight@0: RAIL_DEPOT_DIR = 3, truelight@0: RAIL_DEPOT_UNUSED_BITS = 0x3C, truelight@0: darkvater@395: RAIL_TYPE_WAYPOINT = 0xC4, darkvater@395: RAIL_WAYPOINT_TRACK_MASK = 1, darkvater@395: RAIL_WAYPOINT_UNUSED_BITS = 0x3E, truelight@0: }; truelight@0: truelight@0: #define IS_RAIL_DEPOT(x) (((x) & (RAIL_TYPE_DEPOT|RAIL_DEPOT_UNUSED_BITS)) == RAIL_TYPE_DEPOT) darkvater@395: #define IS_RAIL_WAYPOINT(x) (((x) & (RAIL_TYPE_WAYPOINT|RAIL_WAYPOINT_UNUSED_BITS)) == RAIL_TYPE_WAYPOINT) 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: truelight@0: static bool CheckTrackCombination(byte map5, byte trackbits, byte flags) truelight@0: { truelight@0: _error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION; truelight@0: truelight@0: if ((map5&RAIL_TYPE_MASK) == RAIL_TYPE_SIGNALS) { truelight@201: truelight@0: if (map5 & trackbits) { truelight@0: _error_message = STR_1007_ALREADY_BUILT; truelight@0: return false; truelight@0: } truelight@0: truelight@0: map5 |= trackbits; truelight@0: return (map5 == (RAIL_TYPE_SIGNALS|RAIL_BIT_UPPER|RAIL_BIT_LOWER) || map5 == (RAIL_TYPE_SIGNALS|RAIL_BIT_LEFT|RAIL_BIT_RIGHT)); truelight@0: truelight@0: } else if ((map5&RAIL_TYPE_MASK) == RAIL_TYPE_NORMAL) { truelight@0: _error_message = STR_1007_ALREADY_BUILT; truelight@0: if (map5 & trackbits) truelight@0: return false; truelight@201: truelight@0: // Computer players are not allowed to intersect pieces of rail. truelight@0: if (!(flags&DC_NO_RAIL_OVERLAP)) truelight@0: return true; truelight@201: truelight@0: map5 |= trackbits; truelight@0: return (map5 == (RAIL_BIT_UPPER|RAIL_BIT_LOWER) || map5 == (RAIL_BIT_LEFT|RAIL_BIT_RIGHT)); truelight@0: } else { truelight@0: return false; truelight@0: } truelight@0: } truelight@0: truelight@0: dominik@13: static const byte _valid_tileh_slopes[4][15] = { truelight@0: truelight@0: // set of normal ones truelight@0: { truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_UPPER, truelight@0: RAIL_BIT_DIAG1, truelight@0: truelight@0: RAIL_BIT_LEFT, truelight@0: 0, truelight@0: RAIL_BIT_DIAG2, truelight@0: RAIL_BIT_LOWER, truelight@201: truelight@0: RAIL_BIT_LOWER, truelight@0: RAIL_BIT_DIAG2, truelight@0: 0, truelight@0: RAIL_BIT_LEFT, truelight@201: truelight@0: RAIL_BIT_DIAG1, truelight@0: RAIL_BIT_UPPER, truelight@0: RAIL_BIT_RIGHT, truelight@0: }, truelight@0: truelight@0: // allowed rail for an evenly raised platform truelight@0: { truelight@0: 0, truelight@0: RAIL_BIT_LEFT, truelight@0: RAIL_BIT_LOWER, truelight@0: RAIL_BIT_DIAG2 | RAIL_BIT_LOWER | RAIL_BIT_LEFT, truelight@0: truelight@0: RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1 | RAIL_BIT_LOWER | RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: truelight@0: RAIL_BIT_UPPER, truelight@0: RAIL_BIT_DIAG1 | RAIL_BIT_UPPER | RAIL_BIT_LEFT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: truelight@0: RAIL_BIT_DIAG2 | RAIL_BIT_UPPER | RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: }, truelight@0: truelight@0: // allowed rail on coast tile truelight@0: { truelight@0: 0, truelight@0: RAIL_BIT_LEFT, truelight@0: RAIL_BIT_LOWER, truelight@0: RAIL_BIT_DIAG2|RAIL_BIT_LEFT|RAIL_BIT_LOWER, truelight@201: truelight@0: RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_RIGHT|RAIL_BIT_LOWER, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: truelight@0: RAIL_BIT_UPPER, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_LEFT|RAIL_BIT_UPPER, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: truelight@0: RAIL_BIT_DIAG2|RAIL_BIT_RIGHT|RAIL_BIT_UPPER, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT, truelight@0: RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_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: truelight@201: if ( ((i=0, tileh == 1) || (i+=2, tileh == 2) || (i+=2, tileh == 4) || (i+=2, tileh == 8)) && (bits == RAIL_BIT_DIAG1 || (i++, bits == RAIL_BIT_DIAG2))) truelight@0: return i + 15; truelight@0: truelight@0: return 0; truelight@0: } truelight@0: truelight@0: // truelight@0: static uint32 CheckRailSlope(int tileh, uint rail_bits, uint existing, uint tile) truelight@0: { truelight@0: // never allow building on top of steep tiles truelight@0: if (!(tileh & 0x10)) { truelight@0: rail_bits |= existing; truelight@0: truelight@0: // don't allow building on the lower side of a coast tron@1035: if (IsTileType(tile, MP_WATER) && ~_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: truelight@0: if (((~_valid_tileh_slopes[1][tileh] & rail_bits) == 0) || // whole tile is leveled up truelight@0: ((rail_bits == RAIL_BIT_DIAG1 || rail_bits == RAIL_BIT_DIAG2) && (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8))) { // partly up truelight@201: return existing ? 0 : _price.terraform; truelight@0: } truelight@0: } truelight@0: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); truelight@0: } truelight@0: truelight@0: /* Build a single track. truelight@0: * p1 - railroad type normal/maglev truelight@0: * p2 - tile direction truelight@0: */ truelight@0: truelight@0: int32 CmdBuildSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: TileInfo ti; truelight@0: int32 ret, cost = 0; truelight@0: byte rail_bit = 1 << p2; truelight@0: byte rail_type = (byte)(p1 & 0xF); truelight@0: uint tile; truelight@0: byte existing = 0; truelight@0: bool need_clear = false; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: _error_message = STR_1007_ALREADY_BUILT; truelight@0: truelight@0: FindLandscapeHeight(&ti, x, y); truelight@0: tile = ti.tile; truelight@0: truelight@0: // allow building rail under bridge truelight@201: if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (ti.type == MP_TUNNELBRIDGE) { truelight@0: /* BUILD ON BRIDGE CODE */ tron@1041: if (!EnsureNoVehicleZ(tile, TilePixelHeight(tile))) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if ((ti.map5 & 0xF8) == 0xC0) { truelight@0: if (ti.tileh & 0x10 || rail_bit != (byte)((ti.map5 & 1) ? 1 : 2)) goto need_clear; truelight@0: truelight@0: if (!(flags & DC_EXEC)) truelight@0: return _price.build_rail; truelight@0: truelight@0: _map5[tile] = (ti.map5 & 0xC7) | 0x20; truelight@0: goto set_ownership; truelight@0: } else if ((ti.map5 & 0xF8) == 0xE0) { truelight@0: if ((_map3_lo[tile] & 0xF) != (int)p1) goto need_clear; truelight@0: if (rail_bit != (byte)((ti.map5 & 1) ? 1 : 2)) goto need_clear; truelight@0: return CMD_ERROR; truelight@0: } else truelight@0: goto need_clear; truelight@0: } else if (ti.type == MP_STREET) { truelight@0: byte m5; truelight@0: /* BUILD ON STREET CODE */ dominik@13: if (ti.tileh & 0x10) // very steep tile dominik@13: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); dominik@13: dominik@13: if (!_valid_tileh_slopes[3][ti.tileh]) // prevent certain slopes dominik@13: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); dominik@13: truelight@0: if (!(ti.map5 & 0xF0)) { truelight@0: if ((ti.map5 & 0x0F) == 0xA) { truelight@0: if (rail_bit != 2) goto need_clear; truelight@0: m5 = 0x10; truelight@0: } else if ((ti.map5 & 0x0F) == 0x5) { truelight@0: if (rail_bit != 1) goto need_clear; truelight@0: m5 = 0x18; truelight@0: } else truelight@0: goto need_clear; truelight@0: truelight@0: if (!(flags & DC_EXEC)) truelight@0: return _price.build_rail; truelight@0: truelight@0: ModifyTile(tile, truelight@201: MP_SETTYPE(MP_STREET) | truelight@0: MP_MAP3LO | MP_MAP3HI | MP_MAPOWNER_CURRENT | MP_MAP5, truelight@0: _map_owner[tile], /* map3_lo */ truelight@0: p1, /* map3_hi */ truelight@0: m5 /* map5 */ truelight@0: ); truelight@0: goto fix_signals; truelight@0: } else if (!(ti.map5 & 0xE0)) { truelight@0: if (rail_bit != (byte)((ti.map5 & 8) ? 1 : 2)) goto need_clear; truelight@0: return CMD_ERROR; truelight@0: } else truelight@0: goto need_clear; truelight@0: } else if (ti.type == MP_RAILWAY) { truelight@0: truelight@0: /* BUILD ON RAILWAY CODE */ truelight@201: if (_map_owner[tile] != _current_player || (byte)(_map3_lo[tile]&0xF) != rail_type) truelight@0: goto need_clear; truelight@0: if (!CheckTrackCombination(ti.map5, rail_bit, (byte)flags)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: existing = ti.map5 & 0x3F; truelight@0: } else { truelight@0: truelight@0: /* DEFAULT BUILD ON CODE */ truelight@0: need_clear:; truelight@0: /* isnot_railway */ truelight@0: if (!(flags & DC_EXEC)) { truelight@0: ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); truelight@0: if (ret == CMD_ERROR) return CMD_ERROR; truelight@0: cost += ret; truelight@0: } truelight@0: need_clear = true; truelight@0: } truelight@0: truelight@0: ret = CheckRailSlope(ti.tileh, rail_bit, existing, tile); truelight@0: if (ret & 0x80000000) truelight@0: return ret; truelight@0: cost += ret; truelight@0: truelight@0: // the AI is not allowed to used foundationed tiles. truelight@84: if (ret && (!_patches.build_on_slopes || (!_patches.ainew_active && _is_ai_player))) truelight@0: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); truelight@0: truelight@0: if (flags & DC_EXEC && need_clear) { truelight@0: ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); truelight@0: if (ret == CMD_ERROR) return CMD_ERROR; truelight@0: cost += ret; truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { tron@1059: SetTileType(tile, MP_RAILWAY); truelight@0: _map5[tile] |= rail_bit; truelight@0: _map2[tile] &= ~RAIL_MAP2LO_GROUND_MASK; truelight@0: truelight@0: // In case it's a tile without signals, clear the signal bits. Why? truelight@0: if ((_map5[tile] & RAIL_TYPE_MASK) != RAIL_TYPE_SIGNALS) truelight@0: _map2[tile] &= ~0xF0; truelight@0: truelight@0: set_ownership: truelight@0: _map_owner[tile] = _current_player; truelight@0: truelight@0: _map3_lo[tile] &= ~0xF; truelight@0: _map3_lo[tile] |= rail_type; truelight@0: truelight@0: MarkTileDirtyByTile(tile); truelight@0: truelight@0: fix_signals: truelight@0: SetSignalsOnBothDir(tile, (byte)p2); truelight@0: } truelight@0: truelight@0: return cost + _price.build_rail; truelight@0: } truelight@0: truelight@0: static const byte _signals_table[] = { truelight@0: 0x40, 0x40, 0x40, 0x10, 0x80, 0x20, 0, 0, // direction 1 truelight@0: 0x80, 0x80, 0x80, 0x20, 0x40, 0x10, 0, 0 // direction 2 truelight@0: }; truelight@0: truelight@0: static const byte _signals_table_other[] = { truelight@0: 0x80, 0x80, 0x80, 0x20, 0x40, 0x10, 0, 0, // direction 1 truelight@0: 0x40, 0x40, 0x40, 0x10, 0x80, 0x20, 0, 0 // direction 2 truelight@0: }; truelight@0: truelight@0: static const byte _signals_table_both[] = { truelight@201: 0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0, // both directions combined truelight@0: 0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0 truelight@0: }; truelight@0: truelight@0: truelight@0: /* Remove a single track. truelight@0: * p1 - unused truelight@0: * p2 - tile direction truelight@0: */ truelight@0: truelight@0: int32 CmdRemoveSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: TileInfo ti; truelight@0: byte rail_bit = 1 << p2; truelight@0: byte m5; truelight@0: uint tile; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: FindLandscapeHeight(&ti, x, y); truelight@0: truelight@0: tile = ti.tile; truelight@0: truelight@0: if (!((1< 5) return CMD_ERROR; // only 6 possible track-combinations 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 darkvater@1227: trdx = _railbit.xinc[*railbit]; darkvater@1227: trdy = _railbit.yinc[*railbit]; darkvater@1227: darkvater@1227: if (*railbit & 0x6) { darkvater@1227: trdx += _railbit.xinc[*railbit ^ 1]; darkvater@1227: trdy += _railbit.yinc[*railbit ^ 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))) { darkvater@1227: if (*railbit < 8) { // first direction is invalid, try the other darkvater@1227: SETBIT(*railbit, 3); 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 darkvater@1227: if (*railbit & 0x6) { darkvater@1227: trdx = _railbit.xinc[*railbit]; darkvater@1227: trdy = _railbit.yinc[*railbit]; 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@1227: /* Build a stretch of railroad tracks. darkvater@1227: * x,y= start tile darkvater@1227: * p1 = end tile darkvater@1227: * p2 = (bit 0-3) - railroad type normal/maglev darkvater@1227: * p2 = (bit 4-6) - track-orientation, valid values: 0-5 darkvater@1227: * 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; darkvater@1227: int railbit = (p2 >> 4) & 7; darkvater@1227: byte mode = HASBIT(p2, 7); truelight@0: darkvater@1227: /* unpack end point */ darkvater@1227: ex = TileX(p1) * 16; darkvater@1227: ey = TileY(p1) * 16; truelight@0: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: truelight@0: if (flags & DC_EXEC) tron@541: SndPlayTileFx(SND_20_SPLAT_2, TILE_FROM_XY(x,y)); truelight@201: darkvater@1227: if (ValidateAutoDrag(&railbit, x, y, ex, ey) == CMD_ERROR) darkvater@1227: return CMD_ERROR; truelight@0: truelight@0: for(;;) { darkvater@1227: ret = DoCommand(x, y, p2&0x3, railbit&7, flags, (mode == 0) ? CMD_BUILD_SINGLE_RAIL : CMD_REMOVE_SINGLE_RAIL); truelight@0: truelight@0: if (ret == CMD_ERROR) { 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: truelight@0: x += _railbit.xinc[railbit]; truelight@0: y += _railbit.yinc[railbit]; truelight@201: darkvater@1227: // toggle railbit for the non-diagonal tracks truelight@0: if (railbit & 0x6) railbit ^= 1; truelight@201: } truelight@0: truelight@0: if (total_cost == 0) truelight@0: return CMD_ERROR; truelight@0: truelight@0: return total_cost; truelight@0: } truelight@0: darkvater@1227: int32 CmdBuildRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2) darkvater@1227: { darkvater@1227: return CmdRailTrackHelper(x, y, flags, p1, p2); darkvater@1227: } truelight@0: 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: truelight@0: /* Build a train depot truelight@0: * p1 = rail type truelight@0: * p2 = depot direction truelight@0: */ truelight@0: int32 CmdBuildTrainDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: uint tile = TILE_FROM_XY(x,y); truelight@0: int32 cost, ret; truelight@1313: Depot *depot; truelight@0: uint tileh; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: if (!EnsureNoVehicle(tile)) return CMD_ERROR; truelight@0: truelight@0: tileh = GetTileSlope(tile, NULL); truelight@0: if (tileh != 0) { truelight@84: if ((!_patches.ainew_active && _is_ai_player) || !_patches.build_on_slopes || (tileh & 0x10 || !((0x4C >> p2) & tileh) )) truelight@0: return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); truelight@0: } truelight@0: truelight@0: ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); truelight@0: if (ret == CMD_ERROR) return CMD_ERROR; truelight@0: cost = ret; truelight@0: truelight@1313: depot = AllocateDepot(); truelight@1313: if (depot == NULL) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (flags & DC_EXEC) { truelight@0: if (_current_player == _local_player) truelight@0: _last_built_train_depot_tile = (TileIndex)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 */ truelight@0: p2 | RAIL_TYPE_DEPOT /* map5 */ truelight@0: ); truelight@201: truelight@1313: depot->xy = tile; truelight@1313: depot->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@395: static void MakeDefaultWaypointName(Waypoint *cp) truelight@0: { truelight@0: int townidx = ClosestTownFromTile(cp->xy, (uint)-1)->index; darkvater@395: Waypoint *cc; darkvater@395: bool used_waypoint[64]; truelight@0: int i; truelight@0: darkvater@395: memset(used_waypoint, 0, sizeof(used_waypoint)); truelight@0: darkvater@395: // find an unused waypoint number belonging to this town darkvater@395: for(cc = _waypoints; cc != endof(_waypoints); cc++) { truelight@0: if (cc->xy && cc->town_or_string & 0xC000 && (cc->town_or_string & 0xFF) == townidx) darkvater@395: used_waypoint[(cc->town_or_string >> 8) & 0x3F] = true; truelight@0: } truelight@0: darkvater@395: for(i=0; used_waypoint[i] && i!=lengthof(used_waypoint)-1; i++) {} truelight@0: cp->town_or_string = 0xC000 + (i << 8) + townidx; truelight@0: } truelight@0: darkvater@395: // find a deleted waypoint close to a tile. darkvater@395: static Waypoint *FindDeletedWaypointCloseTo(uint tile) truelight@0: { darkvater@395: Waypoint *cp,*best = NULL; truelight@0: uint thres = 8, cur_dist; truelight@0: darkvater@395: for(cp = _waypoints; cp != endof(_waypoints); cp++) { truelight@0: if (cp->deleted && cp->xy) { tron@1245: cur_dist = DistanceManhattan(tile, cp->xy); truelight@0: if (cur_dist < thres) { truelight@0: thres = cur_dist; truelight@0: best = cp; truelight@0: } truelight@0: } truelight@0: } truelight@0: return best; truelight@0: } truelight@0: darkvater@395: /* Convert existing rail to waypoint */ truelight@0: darkvater@395: int32 CmdBuildTrainWaypoint(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: uint tile = TILE_FROM_XY(x,y); darkvater@395: Waypoint *cp; truelight@0: uint tileh; truelight@0: uint dir; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: tron@1035: if (!IsTileType(tile, MP_RAILWAY) || ((dir = 0, _map5[tile] != 1) && (dir = 1, _map5[tile] != 2))) truelight@0: return_cmd_error(STR_1005_NO_SUITABLE_RAILROAD_TRACK); truelight@0: truelight@0: if (!CheckTileOwnership(tile)) truelight@0: return CMD_ERROR; truelight@201: truelight@0: if (!EnsureNoVehicle(tile)) return CMD_ERROR; truelight@0: truelight@0: tileh = GetTileSlope(tile, NULL); truelight@0: if (tileh != 0) { truelight@0: if (!_patches.build_on_slopes || tileh & 0x10 || !(tileh & (0x3 << dir)) || !(tileh & ~(0x3 << dir))) truelight@0: return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); truelight@0: } truelight@0: darkvater@395: // check if there is an already existing, deleted, waypoint close to us that we can reuse. darkvater@395: cp = FindDeletedWaypointCloseTo(tile); truelight@0: if (cp == NULL) { darkvater@395: cp = AllocateWaypoint(); truelight@0: if (cp == NULL) return CMD_ERROR; truelight@0: cp->town_or_string = 0; truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { darkvater@395: ModifyTile(tile, MP_MAP5, RAIL_TYPE_WAYPOINT | dir); dominik@412: if (--p1 & 0x100) { // waypoint type 0 uses default graphics celestar@389: // custom graphics celestar@389: _map3_lo[tile] |= 16; celestar@389: _map3_hi[tile] = p1 & 0xff; celestar@389: } truelight@201: truelight@0: cp->deleted = 0; truelight@0: cp->xy = tile; darkvater@413: cp->build_date = _date; truelight@201: darkvater@395: if (cp->town_or_string == 0) MakeDefaultWaypointName(cp); else RedrawWaypointSign(cp); darkvater@395: UpdateWaypointSign(cp); darkvater@395: RedrawWaypointSign(cp); truelight@0: SetSignalsOnBothDir(tile, dir ? 2 : 1); truelight@0: } truelight@0: truelight@0: return _price.build_train_depot; truelight@0: } truelight@0: darkvater@395: static void DoDeleteWaypoint(Waypoint *cp) truelight@0: { tron@555: Order order; truelight@0: cp->xy = 0; truelight@1024: tron@555: order.type = OT_GOTO_WAYPOINT; tron@555: order.station = cp - _waypoints; truelight@1024: DeleteDestinationFromVehicleOrder(order); truelight@1024: truelight@0: if (~cp->town_or_string & 0xC000) DeleteName(cp->town_or_string); darkvater@395: RedrawWaypointSign(cp); truelight@0: } truelight@0: darkvater@395: // delete waypoints after a while tron@1093: void WaypointsDailyLoop(void) truelight@0: { darkvater@395: Waypoint *cp; darkvater@395: for(cp = _waypoints; cp != endof(_waypoints); cp++) { truelight@0: if (cp->deleted && !--cp->deleted) { darkvater@395: DoDeleteWaypoint(cp); truelight@0: } truelight@0: } truelight@0: } truelight@0: darkvater@395: static int32 RemoveTrainWaypoint(uint tile, uint32 flags, bool justremove) truelight@0: { darkvater@395: Waypoint *cp; truelight@0: darkvater@395: // make sure it's a waypoint tron@1035: if (!IsTileType(tile, MP_RAILWAY) || !IS_RAIL_WAYPOINT(_map5[tile])) truelight@0: return CMD_ERROR; truelight@0: truelight@0: if (!CheckTileOwnership(tile) && !(_current_player==17)) 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) { darkvater@395: int direction = _map5[tile] & RAIL_WAYPOINT_TRACK_MASK; truelight@0: darkvater@395: // mark the waypoint deleted darkvater@395: for(cp=_waypoints; cp->xy != (TileIndex)tile; cp++) {} truelight@0: cp->deleted = 30; // let it live for this many days before we do the actual deletion. darkvater@395: RedrawWaypointSign(cp); truelight@0: truelight@0: if (justremove) { truelight@0: ModifyTile(tile, MP_MAP5, 1<town_or_string & 0xC000) DeleteName(cp->town_or_string); truelight@0: cp->town_or_string = str; darkvater@395: UpdateWaypointSign(cp); truelight@0: MarkWholeScreenDirty(); truelight@0: } else { truelight@0: DeleteName(str); truelight@0: } truelight@0: } else { truelight@0: if (flags & DC_EXEC) { darkvater@395: cp = &_waypoints[p1]; truelight@0: if (~cp->town_or_string & 0xC000) DeleteName(cp->town_or_string); darkvater@395: MakeDefaultWaypointName(cp); darkvater@395: UpdateWaypointSign(cp); truelight@0: MarkWholeScreenDirty(); truelight@0: } truelight@0: } truelight@0: return 0; truelight@0: } truelight@0: truelight@0: tron@1084: /* build signals, alternate between double/single, signal/semaphore, tron@1084: * pre/exit/combo-signals tron@1084: * p1 bits 0-2 - track-orientation, valid values: 0-5 tron@1084: * p1 bit 3 - choose semaphores/signals or cycle normal/pre/exit/combo tron@1084: * depending on context tron@1084: * p2 = used for CmdBuildManySignals() to copy style of first signal darkvater@58: */ darkvater@1227: int32 CmdBuildSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@1084: TileIndex tile = TILE_FROM_XY(x, y); tron@1084: bool semaphore; tron@1084: bool pre_signal; tron@1084: uint track = p1 & 0x7; truelight@0: byte m5; truelight@0: int32 cost; truelight@201: tron@1084: if (!(track < 6) || // only 6 possible track-combinations tron@1084: !IsTileType(tile, MP_RAILWAY) || tron@1084: !EnsureNoVehicle(tile)) truelight@0: return CMD_ERROR; truelight@0: tron@1084: // Protect against invalid signal copying tron@1084: if (p2 != 0 && (p2 & _signals_table_both[track]) == 0) truelight@0: return CMD_ERROR; truelight@0: tron@1084: m5 = _map5[tile]; tron@1084: tron@1084: if (m5 & 0x80 || // mustn't be a depot tron@1084: !HASBIT(m5, track)) // track must exist tron@1084: 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: { truelight@0: byte m = m5 & RAIL_BIT_MASK; tron@1084: if (m != RAIL_BIT_DIAG1 && tron@1084: m != RAIL_BIT_DIAG2 && tron@1084: m != RAIL_BIT_UPPER && tron@1084: m != RAIL_BIT_LOWER && tron@1084: m != RAIL_BIT_LEFT && tron@1084: m != RAIL_BIT_RIGHT && tron@1084: m != (RAIL_BIT_UPPER | RAIL_BIT_LOWER) && tron@1084: m != (RAIL_BIT_LEFT | RAIL_BIT_RIGHT)) truelight@0: return CMD_ERROR; truelight@0: } truelight@0: tron@1084: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: tron@1084: // Same bit, used in different contexts tron@1084: semaphore = pre_signal = HASBIT(p1, 3); darkvater@1066: tron@1084: if ((_map3_lo[tile] & _signals_table_both[track]) == 0) { tron@1084: // build new signals truelight@0: cost = _price.build_signals; darkvater@1066: } else { tron@1084: if (p2 != 0 && tron@1084: ((semaphore && !HASBIT(_map3_hi[tile], 2)) || tron@1084: (!semaphore && HASBIT(_map3_hi[tile], 2)))) { 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) { tron@1084: if (!(m5 & RAIL_TYPE_SIGNALS)) { tron@1084: // there are no signals at all on this tile yet truelight@0: _map5[tile] |= RAIL_TYPE_SIGNALS; // change into signals truelight@0: _map2[tile] |= 0xF0; // all signals are on truelight@0: _map3_lo[tile] &= ~0xF0; // no signals built by default tron@1084: _map3_hi[tile] = semaphore ? 4 : 0; truelight@0: } truelight@0: tron@1084: if (p2 == 0) { tron@1084: if ((_map3_lo[tile] & _signals_table_both[track]) == 0) { tron@1084: // build new signals tron@1084: _map3_lo[tile] |= _signals_table_both[track]; tron@1084: } else { tron@1084: if (pre_signal) { tron@1084: // cycle between normal -> pre -> exit -> combo -> ... tron@1084: byte type = (_map3_hi[tile] + 1) & 0x03; tron@1084: _map3_hi[tile] &= ~0x03; tron@1084: _map3_hi[tile] |= type; tron@1084: } else { tron@1084: // cycle between two-way -> one-way -> one-way -> ... tron@1084: switch (track) { tron@1084: case 3: tron@1084: case 5: { tron@1084: byte signal = (_map3_lo[tile] - 0x10) & 0x30; tron@1084: if (signal == 0) signal = 0x30; tron@1084: _map3_lo[tile] &= ~0x30; tron@1084: _map3_lo[tile] |= signal; tron@1084: break; tron@1084: } darkvater@58: tron@1084: default: { tron@1084: byte signal = (_map3_lo[tile] - 0x40) & 0xC0; tron@1084: if (signal == 0) signal = 0xC0; tron@1084: _map3_lo[tile] &= ~0xC0; tron@1084: _map3_lo[tile] |= 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 tron@1084: * style of the first signal given as parameter by CmdBuildManySignals */ tron@1084: _map3_lo[tile] &= ~_signals_table_both[track]; tron@1084: _map3_lo[tile] |= p2 & _signals_table_both[track]; darkvater@58: // convert between signal<->semaphores when dragging tron@1084: if (semaphore) tron@1084: SETBIT(_map3_hi[tile], 2); tron@1084: else tron@1084: CLRBIT(_map3_hi[tile], 2); 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@58: /* Build many signals by dragging: AutoSignals darkvater@1227: * x,y = start tile darkvater@1227: * p1 = end tile darkvater@1227: * p2 = (bit 0) - 0 = build, 1 = remove signals darkvater@1227: * p2 = (bit 3) - 0 = signals, 1 = semaphores darkvater@1227: * p2 = (bit 4-6) - track-orientation, valid values: 0-5 darkvater@1227: * 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@1227: int railbit = (p2 >> 4) & 7; darkvater@58: bool error = true; darkvater@58: TileIndex tile = TILE_FROM_XY(x, y); darkvater@58: int32 ret, total_cost, signal_ctr; darkvater@58: byte m5, semaphores = (HASBIT(p2, 3)) ? 8 : 0; darkvater@1227: int mode = p2 & 0x1; darkvater@58: // for vertical/horizontal tracks, double the given signals density darkvater@58: // since the original amount will be too dense (shorter tracks) darkvater@1227: byte signal_density = (railbit & 0x6) ? (p2 >> 24) * 2: (p2 >> 24); darkvater@1227: byte signals; darkvater@58: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: darkvater@1227: // unpack end tile tron@926: ex = TileX(p1) * 16; tron@926: ey = TileY(p1) * 16; darkvater@58: darkvater@1227: if (ValidateAutoDrag(&railbit, x, y, ex, ey) == CMD_ERROR) darkvater@1227: return CMD_ERROR; darkvater@58: darkvater@58: // copy the signal-style of the first rail-piece if existing darkvater@58: m5 = _map5[tile]; darkvater@58: if (!(m5 & RAIL_TYPE_SPECIAL) && (m5 & RAIL_BIT_MASK) && (m5 & RAIL_TYPE_SIGNALS)) { darkvater@1227: signals = _map3_lo[tile] & _signals_table_both[railbit]; darkvater@1227: if (signals == 0) signals = _signals_table_both[railbit]; darkvater@58: darkvater@58: semaphores = (_map3_hi[tile] & ~3) ? 8 : 0; // copy signal/semaphores style (independent of CTRL) darkvater@58: } else { // no signals exist, drag a two-way signal stretch darkvater@1227: signals = _signals_table_both[railbit]; darkvater@58: } darkvater@58: darkvater@58: /* signal_density_ctr - amount of tiles already processed darkvater@58: * signals_density - patch setting to put signal on every Nth tile (double space on |, -- tracks) darkvater@58: ********** darkvater@58: * railbit - direction of autorail darkvater@58: * semaphores - semaphores or signals truelight@201: * signals - is there a signal/semaphore on the first tile, copy its style (two-way/single-way) darkvater@58: and convert all others to semaphore/signal darkvater@58: * mode - 1 remove signals, 0 build signals */ darkvater@58: signal_ctr = total_cost = 0; darkvater@58: for(;;) { darkvater@58: // only build/remove signals with the specified density darkvater@58: if ((signal_ctr % signal_density) == 0 ) { darkvater@58: ret = DoCommand(x, y, (railbit & 7) | 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@58: if (ret == CMD_ERROR) { darkvater@58: if (_error_message != STR_1005_NO_SUITABLE_RAILROAD_TRACK && mode != 1) { darkvater@58: return CMD_ERROR; darkvater@58: } darkvater@58: } else { darkvater@58: error = false; darkvater@58: total_cost += ret; darkvater@58: } darkvater@58: } darkvater@58: darkvater@58: if (ex == x && ey == y) // reached end of drag darkvater@58: break; darkvater@58: darkvater@58: x += _railbit.xinc[railbit]; truelight@201: y += _railbit.yinc[railbit]; darkvater@58: signal_ctr++; truelight@201: darkvater@1227: // toggle railbit for the non-diagonal tracks (|, -- tracks) darkvater@58: if (railbit & 0x6) railbit ^= 1; darkvater@58: } darkvater@58: darkvater@58: return (error) ? CMD_ERROR : total_cost; darkvater@58: } darkvater@58: darkvater@1227: /* Stub for the unified Signal builder/remover */ 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: truelight@0: /* Remove signals darkvater@1066: * p1 bits 0..2 = track truelight@0: * p2 = unused truelight@0: */ truelight@0: darkvater@1227: int32 CmdRemoveSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: TileInfo ti; truelight@0: uint tile; darkvater@1066: int track = p1 & 0x7; darkvater@1066: byte a,b,c,d; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: FindLandscapeHeight(&ti, x, y); truelight@0: tile = ti.tile; truelight@201: truelight@0: /* No vehicle behind. */ truelight@0: if (!EnsureNoVehicle(tile)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: /* Signals can only exist on railways */ truelight@0: if (ti.type != MP_RAILWAY) truelight@0: return CMD_ERROR; truelight@0: truelight@0: /* Map5 mode is 0x40 when there's signals */ truelight@0: if ((ti.map5 & RAIL_TYPE_MASK) != RAIL_TYPE_SIGNALS) truelight@0: return CMD_ERROR; truelight@0: truelight@0: /* Who owns the tile? */ truelight@0: if (_current_player != OWNER_WATER && !CheckTileOwnership(tile)) truelight@0: return CMD_ERROR; truelight@0: darkvater@1066: // calculate already built signals darkvater@1066: a = _signals_table[track]; // signal for this track in one direction darkvater@1066: b = _signals_table[track + 8]; // signal for this track in the other direction darkvater@1066: c = a | b; darkvater@1066: d = _map3_lo[tile] & c; darkvater@1066: darkvater@1066: /* no signals on selected track? */ darkvater@1066: if (d == 0) darkvater@1066: return CMD_ERROR; darkvater@1066: truelight@0: /* Do it? */ truelight@0: if (flags & DC_EXEC) { tron@1109: darkvater@1066: _map3_lo[tile] &= ~c; truelight@201: darkvater@1066: /* removed last signal from tile? */ darkvater@1066: if ((_map3_lo[tile] & 0xF0) == 0) { darkvater@1066: _map5[tile] &= ~RAIL_TYPE_SIGNALS; darkvater@1066: _map2[tile] &= ~0xF0; darkvater@1066: CLRBIT(_map3_hi[tile], 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@1227: /* Stub for the unified Signal builder/remover */ 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: truelight@201: typedef int32 DoConvertRailProc(uint tile, uint totype, bool exec); truelight@0: truelight@0: static int32 DoConvertRail(uint tile, uint totype, bool exec) truelight@0: { truelight@0: if (!CheckTileOwnership(tile) || !EnsureNoVehicle(tile)) truelight@0: return CMD_ERROR; truelight@0: truelight@0: // tile is already of requested type? truelight@0: if ( (uint)(_map3_lo[tile] & 0xF) == totype) truelight@0: return CMD_ERROR; truelight@0: truelight@0: // change type. truelight@0: if (exec) { truelight@0: _map3_lo[tile] = (_map3_lo[tile] & 0xF0) + totype; truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: truelight@0: return _price.build_rail >> 1; truelight@0: } truelight@0: truelight@0: extern int32 DoConvertStationRail(uint tile, uint totype, bool exec); truelight@0: extern int32 DoConvertStreetRail(uint tile, uint totype, bool exec); truelight@0: extern int32 DoConvertTunnelBridgeRail(uint tile, uint totype, bool exec); truelight@0: truelight@0: // p1 = start tile truelight@0: // p2 = new railtype truelight@0: int32 CmdConvertRail(int ex, int ey, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: int32 ret, cost, money; truelight@0: int sx,sy,x,y; truelight@0: darkvater@889: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); darkvater@889: truelight@0: // make sure sx,sy are smaller than ex,ey tron@926: sx = TileX(p1) * 16; tron@926: sy = TileY(p1) * 16; truelight@0: if (ex < sx) intswap(ex, sx); truelight@0: if (ey < sy) intswap(ey, sy); truelight@201: truelight@0: money = GetAvailableMoneyForCommand(); truelight@0: ret = false; truelight@0: cost = 0; truelight@0: for(x=sx; x<=ex; x+=16) { truelight@0: for(y=sy; y<=ey; y+=16) { truelight@0: uint tile = TILE_FROM_XY(x,y); truelight@0: DoConvertRailProc *p; truelight@201: tron@1035: if (IsTileType(tile, MP_RAILWAY)) p = DoConvertRail; tron@1035: else if (IsTileType(tile, MP_STATION)) p = DoConvertStationRail; tron@1035: else if (IsTileType(tile, MP_STREET)) p = DoConvertStreetRail; tron@1035: else if (IsTileType(tile, MP_TUNNELBRIDGE)) p = DoConvertTunnelBridgeRail; truelight@0: else continue; truelight@201: truelight@0: ret = p(tile, p2, false); truelight@0: if (ret == CMD_ERROR) continue; truelight@0: cost += ret; truelight@0: truelight@0: if (flags & DC_EXEC) { truelight@0: if ( (money -= ret) < 0) { _additional_cash_required = ret; return cost - ret; } truelight@0: p(tile, p2, true); truelight@0: } truelight@0: } truelight@0: } truelight@0: if (cost == 0) cost = CMD_ERROR; truelight@0: return cost; truelight@0: } truelight@0: truelight@0: static int32 RemoveTrainDepot(uint 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) { truelight@0: int track = _map5[tile] & RAIL_DEPOT_TRACK_MASK; 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: truelight@0: static int32 ClearTile_Track(uint tile, byte flags) { truelight@0: int32 cost,ret; truelight@0: int i; truelight@0: byte m5; truelight@0: truelight@0: m5 = _map5[tile]; 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: truelight@0: if (_map_owner[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: truelight@0: truelight@0: if ( (m5 & RAIL_TYPE_MASK) == RAIL_TYPE_NORMAL) { truelight@0: regular_track:; truelight@0: for(i=0; m5; i++, m5>>=1) { truelight@0: if (m5 & 1) { truelight@0: ret = DoCommandByTile(tile, 0, i, flags, CMD_REMOVE_SINGLE_RAIL); truelight@0: if (ret == CMD_ERROR) truelight@0: return CMD_ERROR; truelight@0: cost += ret; truelight@0: } truelight@0: } truelight@0: return cost; truelight@0: truelight@0: } else if ((m5 & RAIL_TYPE_MASK)==RAIL_TYPE_SIGNALS) { darkvater@1066: cost = 0; darkvater@1066: if (_map3_lo[tile] & (_signals_table[0] | _signals_table[0 + 8])) { // check for signals in the first track darkvater@1066: ret = DoCommandByTile(tile, 0, 0, flags, CMD_REMOVE_SIGNALS); darkvater@1066: if (ret == CMD_ERROR) darkvater@1066: return CMD_ERROR; darkvater@1066: cost += ret; darkvater@1066: }; darkvater@1066: if (_map3_lo[tile] & (_signals_table[3] | _signals_table[3 + 8])) { // check for signals in the other track darkvater@1066: ret = DoCommandByTile(tile, 3, 0, flags, CMD_REMOVE_SIGNALS); darkvater@1066: if (ret == CMD_ERROR) darkvater@1066: return CMD_ERROR; darkvater@1066: cost += ret; darkvater@1066: }; tron@1109: truelight@0: m5 &= RAIL_BIT_MASK; truelight@0: if (flags & DC_EXEC) truelight@0: goto regular_track; truelight@0: return cost + _price.remove_rail; truelight@0: } else if ( (m5 & (RAIL_TYPE_MASK|RAIL_DEPOT_UNUSED_BITS)) == RAIL_TYPE_DEPOT) { truelight@0: return RemoveTrainDepot(tile, flags); darkvater@395: } else if ( (m5 & (RAIL_TYPE_MASK|RAIL_WAYPOINT_UNUSED_BITS)) == RAIL_TYPE_WAYPOINT) { darkvater@395: return RemoveTrainWaypoint(tile, flags, false); truelight@0: } else truelight@0: return CMD_ERROR; truelight@0: } truelight@0: truelight@0: truelight@0: truelight@0: typedef struct DrawTrackSeqStruct { truelight@0: uint16 image; truelight@0: byte subcoord_x; truelight@0: byte subcoord_y; truelight@0: byte width; truelight@0: byte height; truelight@0: } DrawTrackSeqStruct; truelight@0: truelight@0: #include "table/track_land.h" truelight@0: truelight@0: // used for presignals truelight@0: static const SpriteID _signal_base_sprites[16] = { truelight@0: 0x4FB, truelight@0: 0x1323, truelight@0: 0x1333, truelight@0: 0x1343, truelight@0: truelight@0: // use semaphores instead of signals? 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: truelight@0: 0x13C6, truelight@0: 0x13D6, truelight@0: 0x13E6, truelight@0: 0x13F6, 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: truelight@0: static void DrawSignalHelper(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); truelight@0: uint sprite = _signal_base_sprites[(_map3_hi[ti->tile] & 7) + (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: truelight@0: static void DrawTrackFence_NW(TileInfo *ti) truelight@0: { truelight@0: uint32 image = 0x515; truelight@0: if (ti->tileh != 0) { truelight@0: image = 0x519; truelight@0: if (!(ti->tileh & 2)) { truelight@0: image = 0x51B; truelight@0: } truelight@0: } truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: ti->x, ti->y+1, 16, 1, 4, ti->z); truelight@0: } truelight@0: truelight@0: static void DrawTrackFence_SE(TileInfo *ti) truelight@0: { truelight@0: uint32 image = 0x515; truelight@0: if (ti->tileh != 0) { truelight@0: image = 0x519; truelight@0: if (!(ti->tileh & 2)) { truelight@0: image = 0x51B; truelight@0: } truelight@0: } truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: ti->x, ti->y+15, 16, 1, 4, ti->z); truelight@0: } truelight@0: truelight@0: static void DrawTrackFence_NW_SE(TileInfo *ti) truelight@0: { truelight@0: DrawTrackFence_NW(ti); truelight@0: DrawTrackFence_SE(ti); truelight@0: } truelight@0: truelight@0: static void DrawTrackFence_NE(TileInfo *ti) truelight@0: { truelight@0: uint32 image = 0x516; truelight@0: if (ti->tileh != 0) { truelight@0: image = 0x51A; truelight@0: if (!(ti->tileh & 2)) { truelight@0: image = 0x51C; truelight@0: } truelight@0: } truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: ti->x+1, ti->y, 1, 16, 4, ti->z); truelight@0: } truelight@0: truelight@0: static void DrawTrackFence_SW(TileInfo *ti) truelight@0: { truelight@0: uint32 image = 0x516; truelight@0: if (ti->tileh != 0) { truelight@0: image = 0x51A; truelight@0: if (!(ti->tileh & 2)) { truelight@0: image = 0x51C; truelight@0: } truelight@0: } truelight@201: AddSortableSpriteToDraw(image | _drawtile_track_palette, truelight@0: ti->x+15, ti->y, 1, 16, 4, ti->z); truelight@0: } truelight@0: truelight@0: static void DrawTrackFence_NE_SW(TileInfo *ti) truelight@0: { truelight@0: DrawTrackFence_NE(ti); truelight@0: DrawTrackFence_SW(ti); truelight@0: } truelight@0: truelight@0: static void DrawTrackFence_NS_1(TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; truelight@0: if (ti->tileh & 1) truelight@0: 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: truelight@0: static void DrawTrackFence_NS_2(TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; truelight@0: if (ti->tileh & 4) truelight@0: 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: truelight@0: static void DrawTrackFence_WE_1(TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; truelight@0: if (ti->tileh & 8) truelight@0: 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: truelight@0: static void DrawTrackFence_WE_2(TileInfo *ti) truelight@0: { truelight@0: int z = ti->z; truelight@0: if (ti->tileh & 2) truelight@0: 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: truelight@0: static void DetTrackDrawProc_Null(TileInfo *ti) truelight@0: { truelight@0: /* nothing should be here */ truelight@0: } truelight@0: truelight@0: typedef void DetailedTrackProc(TileInfo *ti); truelight@0: DetailedTrackProc * const _detailed_track_proc[16] = { 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@389: static void DrawSpecialBuilding(uint32 image, uint32 tracktype_offs, celestar@389: TileInfo *ti, celestar@389: byte x, byte y, byte z, celestar@389: byte xsize, byte ysize, byte zsize) celestar@389: { celestar@389: if (image & 0x8000) celestar@389: image |= _drawtile_track_palette; celestar@389: image += tracktype_offs; tron@497: if (_display_opt & DO_TRANS_BUILDINGS) // show transparent depots celestar@389: image = (image & 0x3FFF) | 0x3224000; celestar@389: AddSortableSpriteToDraw(image, ti->x + x, ti->y + y, xsize, ysize, zsize, ti->z + z); celestar@389: } celestar@389: darkvater@413: /* This hacks together some dummy one-shot Station structure for a waypoint. */ darkvater@413: static Station *ComposeWaypointStation(uint tile) darkvater@413: { darkvater@413: Waypoint *waypt = &_waypoints[GetWaypointByTile(tile)]; darkvater@413: static Station stat; darkvater@413: darkvater@413: stat.train_tile = stat.xy = waypt->xy; darkvater@413: /* FIXME - We should always keep town. */ truelight@919: stat.town = waypt->town_or_string & 0xC000 ? GetTown(waypt->town_or_string & 0xFF) : NULL; darkvater@413: stat.string_id = waypt->town_or_string & 0xC000 ? /* FIXME? */ 0 : waypt->town_or_string; darkvater@413: stat.build_date = waypt->build_date; darkvater@413: stat.class_id = 6; stat.stat_id = waypt->stat_id; darkvater@413: darkvater@413: return &stat; darkvater@413: } darkvater@413: truelight@0: static void DrawTile_Track(TileInfo *ti) truelight@0: { truelight@0: uint32 tracktype_offs, image; truelight@0: byte m5; truelight@0: truelight@0: _drawtile_track_palette = SPRITE_PALETTE(PLAYER_SPRITE_COLOR(_map_owner[ti->tile])); truelight@0: truelight@0: tracktype_offs = (_map3_lo[ti->tile] & 0xF) * TRACKTYPE_SPRITE_PITCH; truelight@0: truelight@0: m5 = (byte)ti->map5; truelight@0: if (!(m5 & RAIL_TYPE_SPECIAL)) { truelight@0: bool special; truelight@0: truelight@0: m5 &= RAIL_BIT_MASK; truelight@201: truelight@0: special = false; truelight@0: truelight@0: // select the sprite to use based on the map5 byte. truelight@0: (image = 0x3F3, m5 == RAIL_BIT_DIAG2) || truelight@0: (image++, m5 == RAIL_BIT_DIAG1) || truelight@0: (image++, m5 == RAIL_BIT_UPPER) || truelight@0: (image++, m5 == RAIL_BIT_LOWER) || truelight@0: (image++, m5 == RAIL_BIT_RIGHT) || truelight@0: (image++, m5 == RAIL_BIT_LEFT) || truelight@0: (image++, m5 == (RAIL_BIT_DIAG1|RAIL_BIT_DIAG2)) || truelight@201: truelight@0: (image = 0x40B, m5 == (RAIL_BIT_UPPER|RAIL_BIT_LOWER)) || truelight@0: (image++, m5 == (RAIL_BIT_LEFT|RAIL_BIT_RIGHT)) || truelight@201: truelight@0: (special=true, false) || truelight@0: truelight@0: (image = 0x3FA, !(m5 & (RAIL_BIT_RIGHT|RAIL_BIT_UPPER|RAIL_BIT_DIAG1))) || truelight@0: (image++, !(m5 & (RAIL_BIT_LEFT|RAIL_BIT_LOWER|RAIL_BIT_DIAG1))) || truelight@0: (image++, !(m5 & (RAIL_BIT_LEFT|RAIL_BIT_UPPER|RAIL_BIT_DIAG2))) || truelight@0: (image++, !(m5 & (RAIL_BIT_RIGHT|RAIL_BIT_LOWER|RAIL_BIT_DIAG2))) || truelight@0: (image++, true); truelight@0: truelight@0: if (ti->tileh != 0) { truelight@0: int f = GetRailFoundation(ti->tileh, ti->map5 & 0x3F); truelight@0: if (f) DrawFoundation(ti, f); truelight@201: truelight@0: // default sloped sprites.. truelight@0: if (ti->tileh != 0) image = _track_sloped_sprites[ti->tileh - 1] + 0x3F3; truelight@0: } truelight@0: truelight@0: if ((_map2[ti->tile] & RAIL_MAP2LO_GROUND_MASK)==RAIL_GROUND_BROWN) truelight@0: image = (image & 0xFFFF) | 0x3178000; // use a brown palette truelight@0: else if ((_map2[ti->tile] & RAIL_MAP2LO_GROUND_MASK)==RAIL_GROUND_ICE_DESERT) truelight@0: image += 26; truelight@0: truelight@0: DrawGroundSprite(image + tracktype_offs); truelight@0: truelight@0: if (special) { truelight@0: if (m5 & RAIL_BIT_DIAG1) DrawGroundSprite(0x3ED + tracktype_offs); truelight@0: if (m5 & RAIL_BIT_DIAG2) DrawGroundSprite(0x3EE + tracktype_offs); truelight@0: if (m5 & RAIL_BIT_UPPER) DrawGroundSprite(0x3EF + tracktype_offs); truelight@0: if (m5 & RAIL_BIT_LOWER) DrawGroundSprite(0x3F0 + tracktype_offs); truelight@0: if (m5 & RAIL_BIT_LEFT) DrawGroundSprite(0x3F2 + tracktype_offs); truelight@0: if (m5 & RAIL_BIT_RIGHT) DrawGroundSprite(0x3F1 + tracktype_offs); truelight@0: } truelight@0: truelight@0: if (_display_opt & DO_FULL_DETAIL) { truelight@0: _detailed_track_proc[_map2[ti->tile] & 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: truelight@0: m23 = (_map3_lo[ti->tile] >> 4) | (_map2[ti->tile] & 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: truelight@0: if (!(m5 & RAIL_BIT_DIAG2)) { truelight@0: if (!(m5 & RAIL_BIT_DIAG1)) { truelight@0: if (m5 & RAIL_BIT_LEFT) { truelight@0: MAYBE_DRAW_SIGNAL(2, 0x509, 0); truelight@0: MAYBE_DRAW_SIGNAL(3, 0x507, 1); truelight@0: } truelight@0: if (m5 & RAIL_BIT_RIGHT) { truelight@0: MAYBE_DRAW_SIGNAL(0, 0x509, 2); truelight@0: MAYBE_DRAW_SIGNAL(1, 0x507, 3); truelight@0: } truelight@0: if (m5 & RAIL_BIT_UPPER) { truelight@0: MAYBE_DRAW_SIGNAL(3, 0x505, 4); truelight@0: MAYBE_DRAW_SIGNAL(2, 0x503, 5); truelight@0: } truelight@0: if (m5 & RAIL_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 byte *s; truelight@0: const DrawTrackSeqStruct *drss; darkvater@395: byte type = m5 & 0x3F; // 0-3: depots, 4-5: waypoints truelight@0: truelight@0: if (!(m5 & (RAIL_TYPE_MASK&~RAIL_TYPE_SPECIAL))) truelight@0: return; truelight@201: truelight@0: if (ti->tileh != 0) { DrawFoundation(ti, ti->tileh); } truelight@0: darkvater@395: if (!IS_RAIL_DEPOT(m5) && IS_RAIL_WAYPOINT(m5) && _map3_lo[ti->tile]&16) { celestar@389: // look for customization miham@438: struct StationSpec *stat = GetCustomStation(STAT_CLASS_WAYP, _map3_hi[ti->tile]); celestar@389: darkvater@403: if (stat) { celestar@389: DrawTileSeqStruct const *seq; darkvater@403: // emulate station tile - open with building darkvater@403: DrawTileSprites *cust = &stat->renderdata[2 + (m5 & 0x1)]; darkvater@413: uint32 relocation = GetCustomStationRelocation(stat, ComposeWaypointStation(ti->tile), 0); dominik@415: int railtype=(_map3_lo[ti->tile] & 0xF); 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; dominik@417: image += railtype*((image<_custom_sprites_base)?TRACKTYPE_SPRITE_PITCH:1); 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: dominik@282: s = _track_depot_layout_table[type]; truelight@0: darkvater@222: image = *(const uint16*)s; truelight@0: if (image & 0x8000) image = (image & 0x7FFF) + tracktype_offs; truelight@0: truelight@0: // adjust ground tile for desert dominik@283: // (don't adjust for arctic depots, because snow in depots looks weird) dominik@283: if ((_map2[ti->tile] & RAIL_MAP2LO_GROUND_MASK)==RAIL_GROUND_ICE_DESERT && (_opt.landscape == LT_DESERT || type>=4)) truelight@0: { truelight@0: if(image!=3981) truelight@0: image += 26; // tile with tracks truelight@0: else truelight@0: image = 4550; // flat ground truelight@0: } truelight@0: truelight@0: DrawGroundSprite(image); truelight@0: truelight@0: drss = (const DrawTrackSeqStruct*)(s + sizeof(uint16)); truelight@0: truelight@0: while ((image=drss->image) != 0) { celestar@389: DrawSpecialBuilding(image, type < 4 ? tracktype_offs : 0, ti, celestar@389: drss->subcoord_x, drss->subcoord_y, 0, celestar@389: drss->width, drss->height, 0x17); truelight@0: drss++; truelight@0: } truelight@0: } truelight@0: } truelight@0: truelight@0: void DrawTrainDepotSprite(int x, int y, int image, int railtype) truelight@0: { truelight@0: uint32 ormod, img; truelight@0: const DrawTrackSeqStruct *dtss; truelight@0: const byte *t; truelight@0: truelight@0: /* baseimage */ truelight@0: railtype *= TRACKTYPE_SPRITE_PITCH; truelight@0: truelight@0: ormod = PLAYER_SPRITE_COLOR(_local_player); truelight@0: truelight@0: t = _track_depot_layout_table[image]; truelight@0: truelight@0: x+=33; truelight@0: y+=17; truelight@0: darkvater@222: img = *(const uint16*)t; truelight@201: if (img & 0x8000) img = (img & 0x7FFF) + railtype; truelight@0: DrawSprite(img, x, y); truelight@0: darkvater@222: for(dtss = (const DrawTrackSeqStruct *)(t + sizeof(uint16)); dtss->image != 0; dtss++) { truelight@0: Point pt = RemapCoords(dtss->subcoord_x, dtss->subcoord_y, 0); truelight@0: image = dtss->image; truelight@0: if (image & 0x8000) image |= ormod; truelight@0: DrawSprite(image + railtype, x + pt.x, y + pt.y); truelight@0: } truelight@0: } truelight@0: dominik@415: void DrawWaypointSprite(int x, int y, int stat_id, int railtype) darkvater@393: { dominik@412: struct StationSpec *stat; darkvater@403: uint32 relocation; darkvater@403: DrawTileSprites *cust; darkvater@393: DrawTileSeqStruct const *seq; darkvater@393: uint32 ormod, img; darkvater@393: darkvater@393: ormod = SPRITE_PALETTE(PLAYER_SPRITE_COLOR(_local_player)); darkvater@393: darkvater@393: x += 33; darkvater@393: y += 17; darkvater@393: dominik@411: // draw default waypoint graphics of ID 0 dominik@412: if (stat_id == 0) { dominik@412: const byte *t = _track_depot_layout_table[4]; dominik@412: const DrawTrackSeqStruct *dtss; dominik@412: dominik@411: img = *(const uint16*)t; dominik@415: if (img & 0x8000) img = (img & 0x7FFF) + railtype*TRACKTYPE_SPRITE_PITCH; dominik@411: DrawSprite(img, x, y); dominik@411: dominik@412: for (dtss = (const DrawTrackSeqStruct *)(t + sizeof(uint16)); dtss->image != 0; dtss++) { dominik@411: Point pt = RemapCoords(dtss->subcoord_x, dtss->subcoord_y, 0); dominik@411: img = dtss->image; dominik@411: if (img & 0x8000) img |= ormod; dominik@415: DrawSprite(img, x + pt.x, y + pt.y); dominik@411: } dominik@411: return; dominik@411: } dominik@411: miham@438: stat = GetCustomStation(STAT_CLASS_WAYP, stat_id - 1); dominik@412: assert(stat); dominik@412: relocation = GetCustomStationRelocation(stat, NULL, 1); dominik@412: // emulate station tile - open with building dominik@412: // add 1 to get the other direction dominik@412: cust = &stat->renderdata[2]; dominik@412: dominik@417: img = cust->ground_sprite; dominik@417: img += railtype*((img<_custom_sprites_base)?TRACKTYPE_SPRITE_PITCH:1); dominik@417: darkvater@393: if (img & 0x8000) img = (img & 0x7FFF); darkvater@393: DrawSprite(img, x, y); darkvater@393: darkvater@393: foreach_draw_tile_seq(seq, cust->seq) { darkvater@393: Point pt = RemapCoords(seq->delta_x, seq->delta_y, seq->delta_z); darkvater@403: uint32 image = seq->image + relocation; darkvater@403: darkvater@403: DrawSprite((image&0x3FFF) | ormod, x + pt.x, y + pt.y); darkvater@393: } darkvater@393: } darkvater@393: darkvater@393: truelight@0: #define NUM_SSD_ENTRY 256 truelight@0: #define NUM_SSD_STACK 32 truelight@0: 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: truelight@0: static bool SetSignalsEnumProc(uint tile, SetSignalsData *ssd, int track, uint length, byte *state) truelight@0: { truelight@0: // the tile has signals? tron@1035: if (IsTileType(tile, MP_RAILWAY)) { truelight@0: if ((_map5[tile]&RAIL_TYPE_MASK) == RAIL_TYPE_SIGNALS) { truelight@0: if ((_map3_lo[tile] & _signals_table_both[track]) != 0) { truelight@201: truelight@0: // is the signal pointing in to the segment existing? truelight@0: if ((_map3_lo[tile] & _signals_table[track]) != 0) { truelight@0: // yes, add the signal to the list of signals truelight@0: if (ssd->cur != NUM_SSD_ENTRY) { truelight@0: ssd->tile[ssd->cur] = tile; // remember the tile index truelight@0: ssd->bit[ssd->cur] = track; // and the controlling bit number truelight@0: ssd->cur++; truelight@0: } truelight@0: truelight@0: // remember if this block has a presignal. truelight@0: ssd->has_presignal |= (_map3_hi[tile]&1); truelight@0: } truelight@201: truelight@0: // is this an exit signal that points out from the segment? truelight@0: if ((_map3_hi[tile]&2) && _map3_lo[tile]&_signals_table_other[track]) { truelight@0: ssd->presignal_exits++; truelight@0: if ((_map2[tile]&_signals_table_other[track]) != 0) truelight@0: ssd->presignal_exits_free++; truelight@0: } truelight@0: truelight@0: return true; truelight@0: } truelight@0: } else if (IS_RAIL_DEPOT(_map5[tile])) truelight@0: return true; // don't look further if the tile is a depot truelight@0: } truelight@0: return false; truelight@0: } truelight@0: truelight@0: static void SetSignalsAfterProc(TrackPathFinder *tpf) truelight@0: { truelight@0: SetSignalsData *ssd = tpf->userdata; truelight@0: Vehicle *v; truelight@0: uint tile, hash, val, offs; truelight@0: TrackPathFinderLink *link; truelight@0: truelight@0: ssd->stop = false; truelight@201: truelight@0: // for each train, check if it is in the segment. truelight@0: // then we know that the signal should be red. truelight@0: FOR_ALL_VEHICLES(v) { truelight@0: if (v->type != VEH_Train) truelight@0: continue; truelight@0: truelight@0: tile = v->tile; truelight@0: if (v->u.rail.track == 0x40) { tile = GetVehicleOutOfTunnelTile(v); } truelight@201: truelight@0: hash = PATHFIND_HASH_TILE(tile); truelight@201: truelight@0: val = tpf->hash_head[hash]; truelight@0: if (val == 0) truelight@0: continue; truelight@0: truelight@0: if (!(val & 0x8000)) { truelight@0: if ((TileIndex)tile == tpf->hash_tile[hash]) truelight@0: goto check_val; truelight@0: } else { truelight@0: offs = tpf->hash_tile[hash]; truelight@0: do { truelight@0: link = PATHFIND_GET_LINK_PTR(tpf, offs); truelight@0: if ( (TileIndex)tile == link->tile) { truelight@0: val = link->flags; truelight@0: check_val:; truelight@0: // the train is on the track, in either direction? truelight@0: if (val & (v->u.rail.track + (v->u.rail.track<<8))) { truelight@0: ssd->stop = true; truelight@0: return; truelight@0: } truelight@0: break; truelight@0: } 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 truelight@0: for(i=0; i!=ssd->cur; i++) { truelight@0: uint tile = ssd->tile[i]; truelight@0: byte bit = _signals_table[ssd->bit[i]]; truelight@817: uint16 m2 = _map2[tile]; truelight@0: truelight@0: // presignals don't turn green if there is at least one presignal exit and none are free truelight@0: if (_map3_hi[tile] & 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 truelight@0: if (_map3_hi[tile]&2 && _map3_lo[tile]&_signals_table_other[ssd->bit[i]]) { truelight@0: ex--; truelight@0: if ((_map2[tile]&_signals_table_other[ssd->bit[i]]) != 0) 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: truelight@0: // Update signals on the other side of this exit signal, it changed. truelight@0: // If this segment has presignals, then we treat exit signals going into the segment as normal signals. truelight@0: if (_map3_hi[tile]&2 && (_map3_hi[tile]&1 || !ssd->has_presignal)) { 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 { truelight@0: printf("NUM_SSD_STACK too small\n"); truelight@0: } truelight@0: } truelight@201: truelight@0: // it changed, so toggle it truelight@0: _map2[tile] = m2 ^ bit; truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: truelight@0: truelight@0: bool UpdateSignalsOnSegment(uint tile, byte direction) truelight@0: { truelight@0: SetSignalsData ssd; truelight@0: int result = -1; truelight@0: truelight@0: ssd.cur_stack = 0; truelight@0: direction>>=1; truelight@0: truelight@0: for(;;) { truelight@0: // go through one segment and update all signals pointing into that segment. truelight@0: 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. truelight@0: if(!ssd.cur_stack) truelight@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: truelight@0: void SetSignalsOnBothDir(uint 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@410: static uint GetSlopeZ_Track(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: tron@1095: static uint GetSlopeTileh_Track(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@473: static void GetAcceptedCargo_Track(uint tile, AcceptedCargo ac) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: truelight@0: static void AnimateTile_Track(uint tile) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: truelight@0: static void TileLoop_Track(uint tile) truelight@0: { truelight@0: byte a2; truelight@0: byte rail; truelight@817: uint16 m2; truelight@0: byte owner; truelight@0: truelight@0: m2 = _map2[tile] & 0xF; truelight@0: truelight@0: /* special code for alps landscape */ truelight@0: if (_opt.landscape == LT_HILLY) { truelight@0: /* convert into snow? */ truelight@0: if (GetTileZ(tile) > _opt.snow_line) { truelight@0: a2 = RAIL_GROUND_ICE_DESERT; truelight@0: goto modify_me; truelight@0: } truelight@0: truelight@0: /* special code for desert landscape */ truelight@0: } else if (_opt.landscape == LT_DESERT) { truelight@0: /* convert into desert? */ truelight@0: if (GetMapExtraBits(tile) == 1) { truelight@0: a2 = RAIL_GROUND_ICE_DESERT; truelight@0: goto modify_me; truelight@0: } truelight@0: } truelight@0: truelight@0: // Don't continue tile loop for depots truelight@0: if (_map5[tile] & RAIL_TYPE_SPECIAL) truelight@0: return; truelight@0: truelight@0: a2 = RAIL_GROUND_GREEN; truelight@0: truelight@0: if (m2 != RAIL_GROUND_BROWN) { /* wait until bottom is green */ truelight@0: /* determine direction of fence */ truelight@0: rail = _map5[tile] & RAIL_BIT_MASK; truelight@201: truelight@0: if (rail == RAIL_BIT_UPPER) { truelight@0: a2 = RAIL_GROUND_FENCE_HORIZ1; truelight@0: } else if (rail == RAIL_BIT_LOWER) { truelight@0: a2 = RAIL_GROUND_FENCE_HORIZ2; truelight@0: } else if (rail == RAIL_BIT_LEFT) { truelight@0: a2 = RAIL_GROUND_FENCE_VERT1; truelight@0: } else if (rail == RAIL_BIT_RIGHT) { truelight@0: a2 = RAIL_GROUND_FENCE_VERT2; truelight@0: } else { truelight@0: owner = _map_owner[tile]; truelight@0: truelight@0: if ( (!(rail&(RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LEFT)) && (rail&RAIL_BIT_DIAG1)) || rail==(RAIL_BIT_LOWER|RAIL_BIT_RIGHT)) { tron@1035: if (!IsTileType(tile + TILE_XY(0,-1), MP_RAILWAY) || truelight@0: owner != _map_owner[tile + TILE_XY(0,-1)] || truelight@0: (_map5[tile + TILE_XY(0,-1)]==RAIL_BIT_UPPER || _map5[tile + TILE_XY(0,-1)]==RAIL_BIT_LEFT)) truelight@201: a2 = RAIL_GROUND_FENCE_NW; truelight@0: } truelight@0: truelight@0: if ( (!(rail&(RAIL_BIT_DIAG2|RAIL_BIT_LOWER|RAIL_BIT_RIGHT)) && (rail&RAIL_BIT_DIAG1)) || rail==(RAIL_BIT_UPPER|RAIL_BIT_LEFT)) { tron@1035: if (!IsTileType(tile + TILE_XY(0,1), MP_RAILWAY) || truelight@0: owner != _map_owner[tile + TILE_XY(0,1)] || truelight@0: (_map5[tile + TILE_XY(0,1)]==RAIL_BIT_LOWER || _map5[tile + TILE_XY(0,1)]==RAIL_BIT_RIGHT)) truelight@0: a2 = (a2 == RAIL_GROUND_FENCE_NW) ? RAIL_GROUND_FENCE_SENW : RAIL_GROUND_FENCE_SE; truelight@0: } truelight@0: truelight@0: if ( (!(rail&(RAIL_BIT_DIAG1|RAIL_BIT_UPPER|RAIL_BIT_RIGHT)) && (rail&RAIL_BIT_DIAG2)) || rail==(RAIL_BIT_LOWER|RAIL_BIT_LEFT)) { tron@1035: if (!IsTileType(tile + TILE_XY(-1,0), MP_RAILWAY) || truelight@0: owner != _map_owner[tile + TILE_XY(-1,0)] || truelight@0: (_map5[tile + TILE_XY(-1,0)]==RAIL_BIT_UPPER || _map5[tile + TILE_XY(-1,0)]==RAIL_BIT_RIGHT)) truelight@0: a2 = RAIL_GROUND_FENCE_NE; truelight@0: } truelight@0: truelight@0: if ( (!(rail&(RAIL_BIT_DIAG1|RAIL_BIT_LOWER|RAIL_BIT_LEFT)) && (rail&RAIL_BIT_DIAG2)) || rail==(RAIL_BIT_UPPER|RAIL_BIT_RIGHT)) { tron@1035: if (!IsTileType(tile + TILE_XY(1,0), MP_RAILWAY) || truelight@0: owner != _map_owner[tile + TILE_XY(1,0)] || truelight@0: (_map5[tile + TILE_XY(1,0)]==RAIL_BIT_LOWER || _map5[tile + TILE_XY(1,0)]==RAIL_BIT_LEFT)) truelight@0: a2 = (a2 == RAIL_GROUND_FENCE_NE) ? RAIL_GROUND_FENCE_NESW : RAIL_GROUND_FENCE_SW; truelight@0: } truelight@0: } truelight@0: } truelight@0: truelight@0: modify_me:; truelight@0: /* tile changed? */ truelight@0: if ( m2 != a2) { truelight@0: _map2[tile] = (_map2[tile] & ~RAIL_MAP2LO_GROUND_MASK) | a2; truelight@0: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: truelight@0: truelight@159: static uint32 GetTileTrackStatus_Track(uint tile, TransportType mode) { truelight@817: byte m5, a; truelight@817: uint16 b; truelight@0: uint32 ret; truelight@0: truelight@159: if (mode != TRANSPORT_RAIL) truelight@0: return 0; truelight@0: truelight@0: m5 = _map5[tile]; 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: truelight@0: a = _map3_lo[tile]; truelight@0: b = _map2[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' */ truelight@0: if ((a & 0xC0) == 0) { b |= 0xC0; } truelight@0: if ((a & 0x30) == 0) { b |= 0x30; } truelight@0: truelight@0: if ( (b & 0x80) == 0) ret |= 0x10070000; truelight@0: if ( (b & 0x40) == 0) ret |= 0x7100000; truelight@0: if ( (b & 0x20) == 0) ret |= 0x20080000; truelight@0: if ( (b & 0x10) == 0) ret |= 0x8200000; 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: truelight@0: static void ClickTile_Track(uint tile) truelight@0: { truelight@0: if (IS_RAIL_DEPOT(_map5[tile])) truelight@0: ShowTrainDepotWindow(tile); darkvater@395: else if (IS_RAIL_WAYPOINT(_map5[tile])) darkvater@395: ShowRenameWaypointWindow(&_waypoints[GetWaypointByTile(tile)]); truelight@201: truelight@0: } truelight@0: truelight@0: static void GetTileDesc_Track(uint tile, TileDesc *td) truelight@0: { truelight@0: byte m5 = _map5[tile]; truelight@0: if (!(m5 & 0x80)) { truelight@0: if(!(m5 & 0x40)) // no signals truelight@0: td->str = STR_1021_RAILROAD_TRACK; truelight@0: else truelight@0: { truelight@0: switch(_map3_hi[tile] & 0x03) truelight@0: { truelight@0: case 0: td->str = STR_RAILROAD_TRACK_WITH_NORMAL_SIGNALS; truelight@0: break; truelight@0: case 1: td->str = STR_RAILROAD_TRACK_WITH_PRESIGNALS; truelight@0: break; truelight@0: case 2: td->str = STR_RAILROAD_TRACK_WITH_EXITSIGNALS; truelight@0: break; truelight@0: case 3: td->str = STR_RAILROAD_TRACK_WITH_COMBOSIGNALS; truelight@0: break; truelight@0: } truelight@0: } truelight@0: } else { darkvater@395: td->str = m5 < 0xC4 ? STR_1023_RAILROAD_TRAIN_DEPOT : STR_LANDINFO_WAYPOINT; truelight@0: } truelight@0: td->owner = _map_owner[tile]; truelight@0: } truelight@0: truelight@0: static void ChangeTileOwner_Track(uint tile, byte old_player, byte new_player) truelight@0: { truelight@0: if (_map_owner[tile] != old_player) truelight@0: return; truelight@201: truelight@0: if (new_player != 255) { truelight@0: _map_owner[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 }; truelight@0: static const byte _fractcoords_leave[4] = { 0x81, 0xD8, 0x8D, 0x18 }; 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@410: static uint32 VehicleEnter_Track(Vehicle *v, uint tile, int x, int y) truelight@0: { truelight@0: byte fract_coord; truelight@0: int dir; truelight@201: truelight@0: // this routine applies only to trains in depot tiles truelight@0: if (v->type != VEH_Train || !IS_RAIL_DEPOT(_map5[tile])) truelight@0: return 0; truelight@0: truelight@0: /* depot direction */ truelight@0: dir = _map5[tile] & RAIL_DEPOT_DIR; truelight@201: truelight@0: fract_coord = (x & 0xF) + ((y & 0xF) << 4); 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: } truelight@0: } else if (_fractcoords_leave[dir] == 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: };