tron@2186: /* $Id$ */ tron@2186: celestar@2262: /** @file tunnelbridge_cmd.c celestar@2262: * This file deals with tunnels and bridges (non-gui stuff) celestar@2262: * @todo seperate this file into two celestar@2262: */ celestar@2262: truelight@0: #include "stdafx.h" Darkvater@1891: #include "openttd.h" tron@3189: #include "bridge_map.h" tron@3187: #include "rail_map.h" tron@3144: #include "road_map.h" tron@1363: #include "table/sprites.h" tron@507: #include "table/strings.h" tron@2163: #include "functions.h" tron@679: #include "map.h" tron@1209: #include "tile.h" tron@3154: #include "tunnel_map.h" truelight@0: #include "vehicle.h" truelight@0: #include "viewport.h" truelight@0: #include "command.h" truelight@0: #include "player.h" truelight@0: #include "town.h" tron@337: #include "sound.h" tron@2159: #include "variables.h" celestar@2262: #include "bridge.h" bjarni@2676: #include "train.h" tron@3187: #include "water_map.h" KUDr@3900: #include "yapf/yapf.h" truelight@0: ludde@2261: #include "table/bridge_land.h" ludde@2261: peter1138@2478: const Bridge orig_bridge[] = { celestar@2262: /* bjarni@2293: year of availablity celestar@2262: | minimum length celestar@2262: | | maximum length celestar@2262: | | | price celestar@2262: | | | | maximum speed celestar@2262: | | | | | sprite to use in GUI string with description celestar@2262: | | | | | | | */ peter1138@2478: { 0, 0, 16, 80, 32, 0xA24 , STR_5012_WOODEN , NULL, 0 }, peter1138@2478: { 0, 0, 2, 112, 48, 0xA26 | PALETTE_TO_STRUCT_RED , STR_5013_CONCRETE , NULL, 0 }, peter1138@2478: { 10, 0, 5, 144, 64, 0xA25 , STR_500F_GIRDER_STEEL , NULL, 0 }, peter1138@2478: { 0, 2, 10, 168, 80, 0xA22 | PALETTE_TO_STRUCT_CONCRETE, STR_5011_SUSPENSION_CONCRETE, NULL, 0 }, peter1138@2478: { 10, 3, 16, 185, 96, 0xA22 , STR_500E_SUSPENSION_STEEL , NULL, 0 }, peter1138@2478: { 10, 3, 16, 192, 112, 0xA22 | PALETTE_TO_STRUCT_YELLOW , STR_500E_SUSPENSION_STEEL , NULL, 0 }, peter1138@2478: { 10, 3, 7, 224, 160, 0xA23 , STR_5010_CANTILEVER_STEEL , NULL, 0 }, peter1138@2478: { 10, 3, 8, 232, 208, 0xA23 | PALETTE_TO_STRUCT_BROWN , STR_5010_CANTILEVER_STEEL , NULL, 0 }, peter1138@2478: { 10, 3, 9, 248, 240, 0xA23 | PALETTE_TO_STRUCT_RED , STR_5010_CANTILEVER_STEEL , NULL, 0 }, peter1138@2478: { 10, 0, 2, 240, 256, 0xA27 , STR_500F_GIRDER_STEEL , NULL, 0 }, peter1138@2478: { 75, 2, 16, 255, 320, 0xA28 , STR_5014_TUBULAR_STEEL , NULL, 0 }, peter1138@2478: { 85, 2, 32, 380, 512, 0xA28 | PALETTE_TO_STRUCT_YELLOW , STR_5014_TUBULAR_STEEL , NULL, 0 }, peter1138@2478: { 90, 2, 32, 510, 608, 0xA28 | PALETTE_TO_STRUCT_GREY , STR_BRIDGE_TUBULAR_SILICON , NULL, 0 } truelight@0: }; truelight@0: tron@2763: Bridge _bridge[MAX_BRIDGES]; tron@2763: tron@2763: truelight@0: // calculate the price factor for building a long bridge. truelight@0: // basically the cost delta is 1,1, 1, 2,2, 3,3,3, 4,4,4,4, 5,5,5,5,5, 6,6,6,6,6,6, 7,7,7,7,7,7,7, 8,8,8,8,8,8,8,8, truelight@0: int CalcBridgeLenCostFactor(int x) truelight@0: { tron@2639: int n; tron@2639: int r; tron@2639: truelight@0: if (x < 2) return x; truelight@0: x -= 2; tron@2639: for (n = 0, r = 2;; n++) { truelight@0: if (x <= n) return r + x * n; truelight@0: r += n * n; truelight@0: x -= n; truelight@0: } truelight@0: } truelight@0: tron@3636: #define M(x) (1 << (x)) truelight@0: enum { tron@3636: // foundation, whole tile is leveled up --> 3 corners raised tron@3636: BRIDGE_FULL_LEVELED_FOUNDATION = M(SLOPE_WSE) | M(SLOPE_NWS) | M(SLOPE_ENW) | M(SLOPE_SEN), tron@3636: // foundation, tile is partly leveled up --> 1 corner raised tron@3636: BRIDGE_PARTLY_LEVELED_FOUNDATION = M(SLOPE_W) | M(SLOPE_S) | M(SLOPE_E) | M(SLOPE_N), tron@3636: // no foundations (X,Y direction) tron@3636: BRIDGE_NO_FOUNDATION = M(SLOPE_FLAT) | M(SLOPE_SW) | M(SLOPE_SE) | M(SLOPE_NW) | M(SLOPE_NE), tron@3636: BRIDGE_HORZ_RAMP = (BRIDGE_PARTLY_LEVELED_FOUNDATION | BRIDGE_NO_FOUNDATION) & ~M(SLOPE_FLAT) truelight@0: }; tron@3636: #undef M truelight@0: peter1138@2478: static inline const PalSpriteID *GetBridgeSpriteTable(int index, byte table) peter1138@2478: { peter1138@2478: const Bridge *bridge = &_bridge[index]; peter1138@2478: assert(table < 7); peter1138@2478: if (bridge->sprite_table == NULL || bridge->sprite_table[table] == NULL) { peter1138@2478: return _bridge_sprite_table[index][table]; peter1138@2478: } else { peter1138@2478: return bridge->sprite_table[table]; peter1138@2478: } peter1138@2478: } peter1138@2478: Darkvater@3556: static inline byte GetBridgeFlags(int index) { return _bridge[index].flags;} celestar@2262: celestar@2262: /** check if bridge can be built on slope truelight@0: * direction 0 = X-axis, direction 1 = Y-axis truelight@0: * is_start_tile = false <-- end tile truelight@0: * is_start_tile = true <-- start tile truelight@0: */ tron@3636: static uint32 CheckBridgeSlope(Axis direction, Slope tileh, bool is_start_tile) truelight@0: { tron@3636: if (IsSteepSlope(tileh)) return CMD_ERROR; truelight@0: tron@2639: if (is_start_tile) { tron@2639: /* check slope at start tile tron@2639: - no extra cost tron@2639: */ tron@3636: #define M(x) (1 << (x)) tron@3636: if (HASBIT(M(SLOPE_FLAT) | (direction == AXIS_X ? M(SLOPE_NE) : M(SLOPE_NW)), tileh)) return 0; truelight@0: tron@2639: // disallow certain start tiles to avoid certain crooked bridges tron@3636: if (tileh == SLOPE_S) return CMD_ERROR; tron@2639: } else { tron@2639: /* check slope at end tile tron@2639: - no extra cost tron@2639: */ tron@3636: if (HASBIT(M(SLOPE_FLAT) | (direction == AXIS_X ? M(SLOPE_SW) : M(SLOPE_SE)), tileh)) return 0; tron@3636: #undef M truelight@0: tron@2639: // disallow certain end tiles to avoid certain crooked bridges tron@3636: if (tileh == SLOPE_N) return CMD_ERROR; tron@2639: } truelight@0: tron@2639: /* disallow common start/end tiles to avoid certain crooked bridges e.g. tron@2639: * start-tile: X 2,1 Y 2,4 (2 was disabled before) tron@2639: * end-tile: X 8,4 Y 8,1 (8 was disabled before) tron@2639: */ tron@3636: if ((tileh == SLOPE_W && is_start_tile != (direction != AXIS_X)) || tron@3636: (tileh == SLOPE_E && is_start_tile == (direction != AXIS_X))) { tron@2639: return CMD_ERROR; truelight@0: } truelight@0: tron@2639: // slope foundations tron@3636: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION | BRIDGE_PARTLY_LEVELED_FOUNDATION, tileh)) tron@2639: return _price.terraform; tron@2639: truelight@0: return CMD_ERROR; truelight@0: } truelight@0: truelight@0: uint32 GetBridgeLength(TileIndex begin, TileIndex end) truelight@0: { tron@2639: int x1 = TileX(begin); tron@2639: int y1 = TileY(begin); tron@2639: int x2 = TileX(end); tron@2639: int y2 = TileY(end); truelight@193: tron@2639: return abs(x2 + y2 - x1 - y1) - 1; truelight@0: } truelight@0: tron@2639: bool CheckBridge_Stuff(byte bridge_type, uint bridge_len) truelight@0: { celestar@2262: const Bridge *b = &_bridge[bridge_type]; tron@2639: uint max; // max possible length of a bridge (with patch 100) truelight@0: Darkvater@1781: if (bridge_type >= MAX_BRIDGES) return false; celestar@2262: if (b->avail_year > _cur_year) return false; truelight@0: celestar@2262: max = b->max_length; tron@2639: if (max >= 16 && _patches.longbridges) max = 100; truelight@0: tron@2639: return b->min_length <= bridge_len && bridge_len <= max; truelight@0: } truelight@0: Darkvater@1775: /** Build a Bridge tron@3491: * @param end_tile end tile Darkvater@1775: * @param p1 packed start tile coords (~ dx) Darkvater@1775: * @param p2 various bitstuffed elements Darkvater@1775: * - p2 = (bit 0- 7) - bridge type (hi bh) Darkvater@1775: * - p2 = (bit 8-..) - rail type. bit15 ((x>>8)&0x80) means road bridge. truelight@0: */ tron@3491: int32 CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { truelight@0: int bridge_type; tron@3180: TransportType transport; tron@3180: RailType railtype; celestar@3853: uint x; celestar@3853: uint y; celestar@3853: uint sx; celestar@3853: uint sy; tron@3301: TileIndex tile_start; tron@3301: TileIndex tile_end; tron@3636: Slope tileh_start; tron@3636: Slope tileh_end; tron@3301: uint z_start; tron@3301: uint z_end; tron@3178: TileIndex tile; tron@3178: TileIndexDiff delta; tron@2639: uint bridge_len; tron@3157: Axis direction; tron@2639: uint i; truelight@0: int32 cost, terraformcost, ret; pasky@1585: bool allow_on_slopes; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@193: truelight@0: /* unpack parameters */ tron@2140: bridge_type = GB(p2, 0, 8); truelight@193: tron@2934: if (p1 >= MapSize()) return CMD_ERROR; Darkvater@1775: truelight@0: // type of bridge tron@3180: if (HASBIT(p2, 15)) { truelight@0: railtype = 0; tron@3180: transport = TRANSPORT_ROAD; truelight@0: } else { tron@3180: if (!ValParamRailtype(GB(p2, 8, 8))) return CMD_ERROR; tron@3180: railtype = GB(p2, 8, 8); tron@3180: transport = TRANSPORT_RAIL; truelight@0: } truelight@0: tron@3493: x = TileX(end_tile); tron@3493: y = TileY(end_tile); tron@3493: sx = TileX(p1); tron@3493: sy = TileY(p1); truelight@0: truelight@0: /* check if valid, and make sure that (x,y) are smaller than (sx,sy) */ truelight@0: if (x == sx) { tron@2639: if (y == sy) return_cmd_error(STR_5008_CANNOT_START_AND_END_ON); tron@3157: direction = AXIS_Y; celestar@3854: if (y > sy) uintswap(y,sy); truelight@0: } else if (y == sy) { tron@3157: direction = AXIS_X; celestar@3854: if (x > sx) uintswap(x,sx); tron@2639: } else { truelight@0: return_cmd_error(STR_500A_START_AND_END_MUST_BE_IN); tron@2639: } truelight@0: Darkvater@1781: /* set and test bridge length, availability */ tron@3493: bridge_len = (sx + sy - x - y) - 1; Darkvater@1781: if (!CheckBridge_Stuff(bridge_type, bridge_len)) return_cmd_error(STR_5015_CAN_T_BUILD_BRIDGE_HERE); Darkvater@1781: truelight@0: /* retrieve landscape height and ensure it's on land */ tron@3493: tile_start = TileXY(x, y); tron@3493: tile_end = TileXY(sx, sy); celestar@3535: if (IsClearWaterTile(tile_start) || IsClearWaterTile(tile_end)) return_cmd_error(STR_02A0_ENDS_OF_BRIDGE_MUST_BOTH); truelight@0: tron@3301: tileh_start = GetTileSlope(tile_start, &z_start); tron@3301: tileh_end = GetTileSlope(tile_end, &z_end); tron@3301: tron@3636: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_start)) { tron@3645: z_start += TILE_HEIGHT; tron@3636: tileh_start = SLOPE_FLAT; truelight@0: } truelight@0: tron@3636: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_end)) { tron@3645: z_end += TILE_HEIGHT; tron@3636: tileh_end = SLOPE_FLAT; truelight@0: } truelight@0: tron@3301: if (z_start != z_end) return_cmd_error(STR_5009_LEVEL_LAND_OR_WATER_REQUIRED); pasky@1585: pasky@1585: // Towns are not allowed to use bridges on slopes. truelight@2422: allow_on_slopes = (!_is_old_ai_player Darkvater@1781: && _current_player != OWNER_TOWN && _patches.build_on_slopes); pasky@1585: pasky@1585: /* Try and clear the start landscape */ pasky@1585: tron@3491: ret = DoCommand(tile_start, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@3183: if (CmdFailed(ret)) return ret; truelight@0: cost = ret; truelight@0: pasky@1585: // true - bridge-start-tile, false - bridge-end-tile tron@3301: terraformcost = CheckBridgeSlope(direction, tileh_start, true); peter1138@2737: if (CmdFailed(terraformcost) || (terraformcost && !allow_on_slopes)) truelight@0: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); truelight@0: cost += terraformcost; truelight@0: pasky@1585: /* Try and clear the end landscape */ pasky@1585: tron@3491: ret = DoCommand(tile_end, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@3183: if (CmdFailed(ret)) return ret; truelight@0: cost += ret; truelight@193: pasky@1585: // false - end tile slope check tron@3301: terraformcost = CheckBridgeSlope(direction, tileh_end, false); peter1138@2737: if (CmdFailed(terraformcost) || (terraformcost && !allow_on_slopes)) pasky@1585: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); pasky@1585: cost += terraformcost; truelight@0: celestar@3933: { celestar@3933: TileIndex Heads[] = {tile_start, tile_end}; celestar@3933: int i; celestar@3933: celestar@3933: for (i = 0; i < 2; i++) { celestar@3933: if (MayHaveBridgeAbove(Heads[i])) { celestar@3933: if (IsBridgeAbove(Heads[i])) { celestar@3933: TileIndex north_head = GetNorthernBridgeEnd(Heads[i]); celestar@3933: int z1, z2; celestar@3933: celestar@3933: if (direction == GetBridgeAxis(Heads[i])) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); celestar@3933: celestar@3933: z1 = GetBridgeHeight(north_head, GetBridgeAxis(Heads[i])); celestar@3933: z2 = GetBridgeHeight(Heads[i], direction); celestar@3933: celestar@3933: if (z1 == z2) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); celestar@3933: } celestar@3933: } celestar@3933: } celestar@3933: } truelight@0: truelight@0: /* do the drill? */ truelight@0: if (flags & DC_EXEC) { tron@3209: DiagDirection dir = AxisToDiagDir(direction); truelight@0: tron@3209: if (transport == TRANSPORT_RAIL) { tron@3301: MakeRailBridgeRamp(tile_start, _current_player, bridge_type, dir, railtype); tron@3301: MakeRailBridgeRamp(tile_end, _current_player, bridge_type, ReverseDiagDir(dir), railtype); tron@3209: } else { tron@3301: MakeRoadBridgeRamp(tile_start, _current_player, bridge_type, dir); tron@3301: MakeRoadBridgeRamp(tile_end, _current_player, bridge_type, ReverseDiagDir(dir)); tron@3209: } tron@3301: MarkTileDirtyByTile(tile_start); tron@3301: MarkTileDirtyByTile(tile_end); truelight@0: } truelight@0: tron@3301: tile = tile_start; tron@3178: delta = (direction == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1)); Darkvater@1781: for (i = 0; i != bridge_len; i++) { tron@3178: uint z; truelight@0: tron@3178: tile += delta; truelight@0: celestar@3933: if (GetTileSlope(tile, &z) != SLOPE_FLAT && z >= z_start) return_cmd_error(STR_5009_LEVEL_LAND_OR_WATER_REQUIRED); celestar@3933: celestar@3933: if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) { celestar@3933: /* Disallow crossing bridges for the time being */ celestar@3933: return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); tron@3183: } truelight@0: tron@3178: switch (GetTileType(tile)) { tron@3065: case MP_WATER: tron@3183: if (!EnsureNoVehicle(tile)) return_cmd_error(STR_980E_SHIP_IN_THE_WAY); celestar@3535: if (!(IsWater(tile) || IsCoast(tile))) goto not_valid_below; tron@3065: break; truelight@0: tron@3065: case MP_RAILWAY: celestar@3933: if (!IsPlainRailTile(tile)) goto not_valid_below; tron@3065: break; tron@3065: tron@3065: case MP_STREET: celestar@3938: if (GetRoadTileType(tile) == ROAD_TILE_DEPOT) goto not_valid_below; celestar@3933: break; celestar@3933: celestar@3933: case MP_TUNNELBRIDGE: celestar@3933: if (IsTunnel(tile)) break; celestar@3933: if (direction == DiagDirToAxis(GetBridgeRampDirection(tile))) goto not_valid_below; celestar@3933: if (GetBridgeHeight(tile_start, direction) == GetBridgeHeight(tile, DiagDirToAxis(GetBridgeRampDirection(tile)))) goto not_valid_below; celestar@3933: break; celestar@3933: celestar@3933: case MP_CLEAR: celestar@3933: if (IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); tron@3065: break; tron@3065: tron@3065: default: truelight@0: not_valid_below:; tron@3065: /* try and clear the middle landscape */ tron@3491: ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@3183: if (CmdFailed(ret)) return ret; tron@3065: cost += ret; tron@3065: break; truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { celestar@3933: SetBridgeMiddle(tile, direction); tron@3178: MarkTileDirtyByTile(tile); truelight@0: } truelight@0: } truelight@0: tron@3301: SetSignalsOnBothDir(tile_start, direction == AXIS_X ? TRACK_X : TRACK_Y); KUDr@3900: YapfNotifyTrackLayoutChange(tile_start, direction == AXIS_X ? TRACK_X : TRACK_Y); truelight@0: truelight@0: /* for human player that builds the bridge he gets a selection to choose from bridges (DC_QUERY_COST) truelight@0: It's unnecessary to execute this command every time for every bridge. So it is done only truelight@0: and cost is computed in "bridge_gui.c". For AI, Towns this has to be of course calculated truelight@0: */ truelight@193: if (!(flags & DC_QUERY_COST)) { celestar@2262: const Bridge *b = &_bridge[bridge_type]; celestar@2262: truelight@0: bridge_len += 2; // begin and end tiles/ramps truelight@0: truelight@2422: if (_current_player < MAX_PLAYERS && !_is_old_ai_player) truelight@0: bridge_len = CalcBridgeLenCostFactor(bridge_len); truelight@0: tron@3033: cost += (int64)bridge_len * _price.build_bridge * b->price >> 8; truelight@0: } truelight@0: truelight@0: return cost; truelight@0: } truelight@0: truelight@0: Darkvater@1782: /** Build Tunnel. tron@3491: * @param tile start tile of tunnel Darkvater@1784: * @param p1 railtype, 0x200 for road tunnel tron@2639: * @param p2 unused truelight@0: */ tron@3491: int32 CmdBuildTunnel(TileIndex start_tile, uint32 flags, uint32 p1, uint32 p2) truelight@0: { tron@3063: TileIndexDiff delta; tron@3063: TileIndex end_tile; tron@3063: DiagDirection direction; tron@3636: Slope start_tileh; tron@3636: Slope end_tileh; tron@3063: uint start_z; tron@3063: uint end_z; tron@3063: int32 cost; tron@3063: int32 ret; truelight@0: tron@3063: _build_tunnel_endtile = 0; truelight@0: Darkvater@1784: if (p1 != 0x200 && !ValParamRailtype(p1)) return CMD_ERROR; Darkvater@1782: tron@3063: start_tileh = GetTileSlope(start_tile, &start_z); truelight@0: tron@3063: switch (start_tileh) { tron@3636: case SLOPE_SW: direction = DIAGDIR_SW; break; tron@3636: case SLOPE_SE: direction = DIAGDIR_SE; break; tron@3636: case SLOPE_NW: direction = DIAGDIR_NW; break; tron@3636: case SLOPE_NE: direction = DIAGDIR_NE; break; tron@3063: default: return_cmd_error(STR_500B_SITE_UNSUITABLE_FOR_TUNNEL); tron@2639: } truelight@0: tron@3491: ret = DoCommand(start_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@3063: if (CmdFailed(ret)) return ret; tron@3063: cost = _price.build_tunnel + ret; truelight@0: tron@3063: delta = TileOffsByDir(direction); tron@3063: end_tile = start_tile; tron@3063: for (;;) { tron@3063: end_tile += delta; tron@3063: end_tileh = GetTileSlope(end_tile, &end_z); truelight@0: tron@3063: if (start_z == end_z) break; tron@3063: tron@3156: if (!_cheats.crossing_tunnels.value && IsTunnelInWay(end_tile, start_z)) { tron@3156: return_cmd_error(STR_5003_ANOTHER_TUNNEL_IN_THE_WAY); tron@3063: } tron@3063: tron@3063: cost += _price.build_tunnel; tron@3063: cost += cost >> 3; tron@3063: if (cost >= 400000000) cost = 400000000; truelight@0: } truelight@0: tron@3063: // if the command fails from here on we want the end tile to be highlighted tron@3063: _build_tunnel_endtile = end_tile; tron@3063: tron@3063: // slope of end tile must be complementary to the slope of the start tile tron@3636: if (end_tileh != ComplementSlope(start_tileh)) { tron@3491: ret = DoCommand(end_tile, end_tileh & start_tileh, 0, flags, CMD_TERRAFORM_LAND); tron@3063: if (CmdFailed(ret)) return_cmd_error(STR_5005_UNABLE_TO_EXCAVATE_LAND); tron@3063: } else { tron@3491: ret = DoCommand(end_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); tron@3063: if (CmdFailed(ret)) return ret; tron@3063: } tron@3064: cost += _price.build_tunnel + ret; tron@3063: tron@3063: if (flags & DC_EXEC) { tron@3154: if (GB(p1, 9, 1) == TRANSPORT_RAIL) { tron@3154: MakeRailTunnel(start_tile, _current_player, direction, GB(p1, 0, 4)); tron@3154: MakeRailTunnel(end_tile, _current_player, ReverseDiagDir(direction), GB(p1, 0, 4)); KUDr@3900: UpdateSignalsOnSegment(start_tile, direction); KUDr@3900: YapfNotifyTrackLayoutChange(start_tile, DiagDirToAxis(direction) == AXIS_X ? TRACK_X : TRACK_Y); tron@3154: } else { tron@3154: MakeRoadTunnel(start_tile, _current_player, direction); tron@3154: MakeRoadTunnel(end_tile, _current_player, ReverseDiagDir(direction)); tron@3154: } tron@3063: tron@3063: } tron@3063: tron@3063: return cost; truelight@0: } truelight@0: tron@1430: TileIndex CheckTunnelBusy(TileIndex tile, uint *length) truelight@0: { tron@1335: uint z = GetTileZ(tile); tron@3154: DiagDirection dir = GetTunnelDirection(tile); tron@3154: TileIndexDiff delta = TileOffsByDir(dir); tron@1430: uint len = 0; tron@1977: TileIndex starttile = tile; truelight@0: Vehicle *v; truelight@193: tron@1035: do { tron@1035: tile += delta; tron@1035: len++; tron@1035: } while ( tron@3184: !IsTunnelTile(tile) || tron@3154: ReverseDiagDir(GetTunnelDirection(tile)) != dir || tron@1035: GetTileZ(tile) != z tron@1035: ); truelight@0: tron@1430: v = FindVehicleBetween(starttile, tile, z); tron@1430: if (v != NULL) { tron@1430: _error_message = v->type == VEH_Train ? tron@1430: STR_5000_TRAIN_IN_TUNNEL : STR_5001_ROAD_VEHICLE_IN_TUNNEL; tron@1430: return INVALID_TILE; truelight@0: } truelight@193: tron@1430: if (length != NULL) *length = len; truelight@0: return tile; truelight@0: } truelight@0: tron@1977: static int32 DoClearTunnel(TileIndex tile, uint32 flags) truelight@0: { truelight@0: Town *t; Darkvater@1782: TileIndex endtile; tron@1430: uint length; truelight@0: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: // in scenario editor you can always destroy tunnels truelight@0: if (_game_mode != GM_EDITOR && !CheckTileOwnership(tile)) { tron@1901: if (!(_patches.extra_dynamite || _cheats.magic_bulldozer.value) || !IsTileOwner(tile, OWNER_TOWN)) truelight@0: return CMD_ERROR; truelight@0: } truelight@0: truelight@0: endtile = CheckTunnelBusy(tile, &length); tron@1430: if (endtile == INVALID_TILE) return CMD_ERROR; truelight@0: truelight@0: _build_tunnel_endtile = endtile; truelight@193: truelight@0: t = ClosestTownFromTile(tile, (uint)-1); //needed for town rating penalty truelight@0: // check if you're allowed to remove the tunnel owned by a town truelight@0: // removal allowal depends on difficulty settings tron@1901: if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) { tron@2958: if (!CheckforTownRating(flags, t, TUNNELBRIDGE_REMOVE)) { tron@534: SetDParam(0, t->index); truelight@0: return_cmd_error(STR_2009_LOCAL_AUTHORITY_REFUSES); truelight@0: } truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { darkvater@38: // We first need to request the direction before calling DoClearSquare darkvater@38: // else the direction is always 0.. dah!! ;) tron@3157: DiagDirection dir = GetTunnelDirection(tile); peter1138@2870: peter1138@2870: // Adjust the town's player rating. Do this before removing the tile owner info. peter1138@2870: if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) peter1138@2870: ChangeTownRating(t, RATING_TUNNEL_BRIDGE_DOWN_STEP, RATING_TUNNEL_BRIDGE_MINIMUM); peter1138@2870: truelight@0: DoClearSquare(tile); truelight@0: DoClearSquare(endtile); tron@3172: UpdateSignalsOnSegment(tile, ReverseDiagDir(dir)); tron@3172: UpdateSignalsOnSegment(endtile, dir); KUDr@3900: YapfNotifyTrackLayoutChange(tile, DiagDirToAxis(dir) == AXIS_X ? TRACK_X : TRACK_Y); KUDr@3900: YapfNotifyTrackLayoutChange(endtile, DiagDirToAxis(dir) == AXIS_X ? TRACK_X : TRACK_Y); truelight@0: } tron@2639: return _price.clear_tunnel * (length + 1); truelight@0: } truelight@0: celestar@3933: #if 0 tron@3779: static uint GetBridgeHeightRamp(TileIndex t) tron@3779: { tron@3779: /* Return the height there (the height of the NORTH CORNER) tron@3779: * If the end of the bridge is on a tile with all corners except the north corner raised, tron@3779: * the z coordinate is 1 height level too low. Compensate for that */ tron@3779: return TilePixelHeight(t) + (GetTileSlope(t, NULL) == SLOPE_WSE ? TILE_HEIGHT : 0); tron@3779: } celestar@3933: #endif tron@3779: tron@3779: tron@1977: static int32 DoClearBridge(TileIndex tile, uint32 flags) truelight@0: { tron@3227: DiagDirection direction; tron@3227: TileIndexDiff delta; tron@1977: TileIndex endtile; truelight@0: Town *t; truelight@193: truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); truelight@0: truelight@0: // floods, scenario editor can always destroy bridges truelight@0: if (_current_player != OWNER_WATER && _game_mode != GM_EDITOR && !CheckTileOwnership(tile)) { tron@1901: if (!(_patches.extra_dynamite || _cheats.magic_bulldozer.value) || !IsTileOwner(tile, OWNER_TOWN)) truelight@0: return CMD_ERROR; truelight@0: } truelight@0: tron@3228: endtile = GetOtherBridgeEnd(tile); tron@3228: tron@2639: if (!EnsureNoVehicle(tile) || !EnsureNoVehicle(endtile)) return CMD_ERROR; truelight@0: tron@3227: direction = GetBridgeRampDirection(tile); tron@3227: delta = TileOffsByDir(direction); tron@3227: truelight@0: t = ClosestTownFromTile(tile, (uint)-1); //needed for town rating penalty truelight@193: // check if you're allowed to remove the bridge owned by a town. truelight@0: // removal allowal depends on difficulty settings tron@1901: if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) { tron@2958: if (!CheckforTownRating(flags, t, TUNNELBRIDGE_REMOVE)) return CMD_ERROR; truelight@0: } truelight@0: truelight@0: if (flags & DC_EXEC) { tron@3217: TileIndex c; truelight@0: celestar@1005: //checks if the owner is town then decrease town rating by RATING_TUNNEL_BRIDGE_DOWN_STEP until truelight@0: // you have a "Poor" (0) town rating tron@1901: if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) celestar@1005: ChangeTownRating(t, RATING_TUNNEL_BRIDGE_DOWN_STEP, RATING_TUNNEL_BRIDGE_MINIMUM); truelight@0: tron@3217: DoClearSquare(tile); tron@3217: DoClearSquare(endtile); tron@3217: for (c = tile + delta; c != endtile; c += delta) { celestar@3933: ClearBridgeMiddle(c); celestar@3933: MarkTileDirtyByTile(c); tron@3217: } truelight@0: tron@3227: UpdateSignalsOnSegment(tile, ReverseDiagDir(direction)); tron@3227: UpdateSignalsOnSegment(endtile, direction); KUDr@3900: YapfNotifyTrackLayoutChange(tile, DiagDirToAxis(direction) == AXIS_X ? TRACK_X : TRACK_Y); KUDr@3900: YapfNotifyTrackLayoutChange(endtile, DiagDirToAxis(direction) == AXIS_X ? TRACK_X : TRACK_Y); truelight@0: } truelight@0: tron@3227: return (DistanceManhattan(tile, endtile) + 1) * _price.clear_bridge; truelight@0: } truelight@0: tron@1977: static int32 ClearTile_TunnelBridge(TileIndex tile, byte flags) tron@1977: { tron@3184: if (IsTunnel(tile)) { tron@2639: if (flags & DC_AUTO) return_cmd_error(STR_5006_MUST_DEMOLISH_TUNNEL_FIRST); truelight@0: return DoClearTunnel(tile, flags); tron@3234: } else if (IsBridge(tile)) { // XXX Is this necessary? tron@2639: if (flags & DC_AUTO) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); darkvater@1082: return DoClearBridge(tile, flags); tron@1109: } tron@1109: darkvater@1082: return CMD_ERROR; truelight@0: } truelight@0: Darkvater@3435: int32 DoConvertTunnelBridgeRail(TileIndex tile, RailType totype, bool exec) truelight@0: { Darkvater@1782: TileIndex endtile; tron@1430: uint length; truelight@0: Vehicle *v; truelight@0: tron@3184: if (IsTunnel(tile) && GetTunnelTransportType(tile) == TRANSPORT_RAIL) { truelight@0: if (!CheckTileOwnership(tile)) return CMD_ERROR; truelight@0: tron@3242: if (GetRailType(tile) == totype) return CMD_ERROR; truelight@193: truelight@0: endtile = CheckTunnelBusy(tile, &length); tron@1430: if (endtile == INVALID_TILE) return CMD_ERROR; truelight@0: truelight@0: if (exec) { KUDr@3900: Track track, endtrack; tron@3242: SetRailType(tile, totype); tron@3242: SetRailType(endtile, totype); truelight@0: MarkTileDirtyByTile(tile); truelight@0: MarkTileDirtyByTile(endtile); KUDr@3900: KUDr@3900: // notify YAPF about the track layout change KUDr@3900: track = TrackdirToTrack(DiagdirToDiagTrackdir(GetTunnelDirection(tile))); KUDr@3900: endtrack = TrackdirToTrack(DiagdirToDiagTrackdir(GetTunnelDirection(endtile))); KUDr@3900: YapfNotifyTrackLayoutChange(tile, track); KUDr@3900: YapfNotifyTrackLayoutChange(endtile, endtrack); truelight@0: } truelight@0: return (length + 1) * (_price.build_rail >> 1); celestar@3933: } else if (IsBridge(tile) && GetBridgeTransportType(tile) == TRANSPORT_RAIL) { celestar@1073: uint z = TilePixelHeight(tile); celestar@1073: tron@3645: z += TILE_HEIGHT; truelight@0: truelight@0: if (!CheckTileOwnership(tile)) return CMD_ERROR; truelight@0: tron@3215: endtile = GetOtherBridgeEnd(tile); truelight@0: // Make sure there's no vehicle on the bridge tron@2639: v = FindVehicleBetween(tile, endtile, z); tron@2639: if (v != NULL) { tron@3881: return_cmd_error(VehicleInTheWayErrMsg(v)); truelight@0: } truelight@0: tron@3213: if (!EnsureNoVehicle(tile) || !EnsureNoVehicle(endtile)) { tron@3881: return_cmd_error(STR_8803_TRAIN_IN_THE_WAY); celestar@1073: } celestar@1073: tron@3242: if (GetRailType(tile) == totype) return CMD_ERROR; tron@3213: tron@3218: if (exec) { celestar@3933: TileIndexDiff delta; celestar@3933: tron@3242: SetRailType(tile, totype); tron@3242: SetRailType(endtile, totype); tron@3218: MarkTileDirtyByTile(tile); tron@3218: MarkTileDirtyByTile(endtile); KUDr@3900: celestar@3933: delta = TileOffsByDir(GetBridgeRampDirection(tile)); celestar@3933: for (tile += delta; tile != endtile; tile += delta) { celestar@3933: MarkTileDirtyByTile(tile); // TODO encapsulate this into a function truelight@0: } tron@3213: } truelight@0: celestar@3933: return (DistanceManhattan(tile, endtile) + 1) * (_price.build_rail >> 1); truelight@193: } else truelight@0: return CMD_ERROR; truelight@0: } truelight@0: truelight@0: celestar@3933: static void DrawBridgePillars(PalSpriteID image, const TileInfo* ti, Axis axis, uint type, int x, int y, int z) truelight@0: { truelight@0: if (image != 0) { celestar@3933: bool drawfarpillar = !HASBIT(GetBridgeFlags(type), 0); Darkvater@3556: int back_height, front_height; Darkvater@3556: int i = z; truelight@0: const byte *p; truelight@0: truelight@0: static const byte _tileh_bits[4][8] = { truelight@0: {2,1,8,4, 16,11,0,9}, truelight@0: {1,8,4,2, 11,16,9,0}, truelight@0: {4,8,1,2, 16,11,0,9}, truelight@0: {2,4,8,1, 11,16,9,0}, truelight@0: }; truelight@0: celestar@2148: if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image); tron@333: tron@3234: p = _tileh_bits[(image & 1) * 2 + (axis == AXIS_X ? 0 : 1)]; tron@3645: front_height = ti->z + (ti->tileh & p[0] ? TILE_HEIGHT : 0); tron@3645: back_height = ti->z + (ti->tileh & p[1] ? TILE_HEIGHT : 0); celestar@2262: tron@3636: if (IsSteepSlope(ti->tileh)) { tron@3645: if (!(ti->tileh & p[2])) front_height += TILE_HEIGHT; tron@3645: if (!(ti->tileh & p[3])) back_height += TILE_HEIGHT; truelight@0: } truelight@0: tron@3645: for (; z >= front_height || z >= back_height; z -= TILE_HEIGHT) { Darkvater@3556: if (z >= front_height) { // front facing pillar tron@2952: AddSortableSpriteToDraw(image, x,y, p[4], p[5], 0x28, z); tron@2952: } Darkvater@3556: tron@3645: if (drawfarpillar && z >= back_height && z < i - TILE_HEIGHT) { // back facing pillar tron@2952: AddSortableSpriteToDraw(image, x - p[6], y - p[7], p[4], p[5], 0x28, z); tron@2952: } truelight@0: } truelight@0: } truelight@0: } truelight@0: tron@3636: uint GetBridgeFoundation(Slope tileh, Axis axis) tron@2639: { tron@3878: uint i; tron@3878: tron@3636: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh)) return tileh; truelight@0: truelight@0: // inclined sloped building tron@3878: switch (tileh) { tron@3878: case SLOPE_W: i = 0; break; tron@3878: case SLOPE_S: i = 2; break; tron@3878: case SLOPE_E: i = 4; break; tron@3878: case SLOPE_N: i = 6; break; tron@3878: default: return 0; tron@3017: } tron@3878: if (axis != AXIS_X) ++i; tron@3878: return i + 15; truelight@0: } truelight@0: celestar@2536: /** celestar@2536: * Draws a tunnel of bridge tile. celestar@2536: * For tunnels, this is rather simple, as you only needa draw the entrance. celestar@2536: * Bridges are a bit more complex. base_offset is where the sprite selection comes into play celestar@2536: * and it works a bit like a bitmask.

For bridge heads: celestar@2536: *

celestar@2536: * Please note that in this code, "roads" are treated as railtype 1, whilst the real railtypes are 0, 2 and 3 celestar@2536: */ truelight@0: static void DrawTile_TunnelBridge(TileInfo *ti) truelight@0: { truelight@0: uint32 image; tron@2049: bool ice = _m[ti->tile].m4 & 0x80; truelight@193: tron@3184: if (IsTunnel(ti->tile)) { tron@3154: if (GetTunnelTransportType(ti->tile) == TRANSPORT_RAIL) { tron@3242: image = GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.tunnel; tron@2511: } else { tron@2511: image = SPR_TUNNEL_ENTRY_REAR_ROAD; tron@2511: } truelight@0: tron@2511: if (ice) image += 32; truelight@0: tron@3154: image += GetTunnelDirection(ti->tile) * 2; truelight@0: DrawGroundSprite(image); celestar@3534: if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) DrawCatenary(ti); truelight@0: tron@3645: AddSortableSpriteToDraw(image+1, ti->x + TILE_SIZE - 1, ti->y + TILE_SIZE - 1, 1, 1, 8, (byte)ti->z); celestar@3933: DrawBridgeMiddle(ti); tron@3234: } else if (IsBridge(ti->tile)) { // XXX is this necessary? celestar@2536: int base_offset; truelight@0: tron@3234: if (GetBridgeTransportType(ti->tile) == TRANSPORT_RAIL) { celestar@3933: base_offset = GetRailTypeInfo(GetRailType(ti->tile))->bridge_offset; celestar@2536: assert(base_offset != 8); /* This one is used for roads */ tron@3234: } else { tron@3234: base_offset = 8; celestar@2536: } celestar@2536: celestar@2536: /* as the lower 3 bits are used for other stuff, make sure they are clear */ celestar@2536: assert( (base_offset & 0x07) == 0x00); truelight@0: celestar@3933: if (!HASBIT(BRIDGE_NO_FOUNDATION, ti->tileh)) { celestar@3933: int f = GetBridgeFoundation(ti->tileh, DiagDirToAxis(GetBridgeRampDirection(ti->tile))); celestar@3933: if (f) DrawFoundation(ti, f); celestar@3933: } tron@3216: celestar@3933: // HACK Wizardry to convert the bridge ramp direction into a sprite offset celestar@3933: base_offset += (6 - GetBridgeRampDirection(ti->tile)) % 4; truelight@0: celestar@3933: if (ti->tileh == SLOPE_FLAT) base_offset += 4; // sloped bridge head truelight@0: celestar@3933: /* Table number 6 always refers to the bridge heads for any bridge type */ celestar@3933: image = GetBridgeSpriteTable(GetBridgeType(ti->tile), 6)[base_offset]; celestar@3355: celestar@3933: if (!ice) { celestar@3933: DrawClearLandTile(ti, 3); celestar@3933: } else { celestar@3933: DrawGroundSprite(SPR_FLAT_SNOWY_TILE + _tileh_to_sprite[ti->tileh]); truelight@0: } celestar@3933: celestar@3933: if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) DrawCatenary(ti); celestar@3933: celestar@3933: // draw ramp celestar@3933: if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image); celestar@3933: AddSortableSpriteToDraw(image, ti->x, ti->y, 16, 16, 7, ti->z); celestar@3933: celestar@3933: DrawBridgeMiddle(ti); truelight@0: } truelight@0: } truelight@0: celestar@3933: celestar@3933: //bridges pieces sequence (middle parts) celestar@3933: // bridge len 1: 0 celestar@3933: // bridge len 2: 0 1 celestar@3933: // bridge len 3: 0 4 1 celestar@3933: // bridge len 4: 0 2 3 1 celestar@3933: // bridge len 5: 0 2 5 3 1 celestar@3933: // bridge len 6: 0 2 3 2 3 1 celestar@3933: // bridge len 7: 0 2 3 4 2 3 1 celestar@3933: // #0 - always as first, #1 - always as last (if len>1) celestar@3933: // #2,#3 are to pair in order celestar@3933: // for odd bridges: #5 is going in the bridge middle if on even position, #4 on odd (counting from 0) celestar@3933: static uint CalcBridgePiece(uint north, uint south) celestar@3933: { celestar@3933: if (north == 1) { celestar@3933: return 0; celestar@3933: } else if (south == 1) { celestar@3933: return 1; celestar@3933: } else if (north < south) { celestar@3933: return north & 1 ? 3 : 2; celestar@3933: } else if (north > south) { celestar@3933: return south & 1 ? 2 : 3; celestar@3933: } else { celestar@3933: return north & 1 ? 5 : 4; celestar@3933: } celestar@3933: } celestar@3933: celestar@3933: void DrawBridgeMiddle(const TileInfo* ti) celestar@3933: { celestar@3933: const PalSpriteID* b; celestar@3933: PalSpriteID image; celestar@3933: uint base_offset; celestar@3933: TileIndex rampnorth; celestar@3933: TileIndex rampsouth; celestar@3933: Axis axis; celestar@3933: uint piece; celestar@3933: uint type; celestar@3933: int x; celestar@3933: int y; celestar@3933: uint z; celestar@3933: celestar@3933: if (!IsBridgeAbove(ti->tile)) return; celestar@3933: celestar@3933: rampnorth = GetNorthernBridgeEnd(ti->tile); celestar@3933: rampsouth = GetSouthernBridgeEnd(ti->tile); celestar@3933: celestar@3933: axis = GetBridgeAxis(ti->tile); celestar@3933: piece = CalcBridgePiece( celestar@3933: DistanceManhattan(ti->tile, rampnorth), celestar@3933: DistanceManhattan(ti->tile, rampsouth) celestar@3933: ); celestar@3933: type = GetBridgeType(rampsouth); celestar@3933: celestar@3933: if (GetBridgeTransportType(rampsouth) == TRANSPORT_RAIL) { celestar@3933: base_offset = GetRailTypeInfo(GetRailType(rampsouth))->bridge_offset; celestar@3933: } else { celestar@3933: base_offset = 8; celestar@3933: } celestar@3933: celestar@3933: b = base_offset + GetBridgeSpriteTable(type, piece); celestar@3933: if (axis != AXIS_X) b += 4; celestar@3933: celestar@3933: x = ti->x; celestar@3933: y = ti->y; celestar@3933: z = GetBridgeHeight(rampsouth, axis) - 3; celestar@3933: celestar@3933: image = b[0]; celestar@3933: if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image); celestar@3933: if (axis == AXIS_X) { celestar@3933: AddSortableSpriteToDraw(image, x, y, 16, 11, 1, z); celestar@3933: } else { celestar@3933: AddSortableSpriteToDraw(image, x, y, 11, 16, 1, z); celestar@3933: } celestar@3933: celestar@3933: image = b[1]; celestar@3933: if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image); celestar@3933: celestar@3933: // draw roof, the component of the bridge which is logically between the vehicle and the camera celestar@3933: if (axis == AXIS_X) { celestar@3933: y += 12; celestar@3933: if (image & SPRITE_MASK) AddSortableSpriteToDraw(image, x, y, 16, 1, 0x28, z); celestar@3933: } else { celestar@3933: x += 12; celestar@3933: if (image & SPRITE_MASK) AddSortableSpriteToDraw(image, x, y, 1, 16, 0x28, z); celestar@3933: } celestar@3933: celestar@3933: if (GetRailType(rampsouth) == RAILTYPE_ELECTRIC) DrawCatenary(ti); celestar@3933: celestar@3933: if (ti->z + 5 == z) { celestar@3933: // draw poles below for small bridges celestar@3933: image = b[2]; celestar@3933: if (image != 0) { celestar@3933: if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image); celestar@3933: DrawGroundSpriteAt(image, x, y, z); celestar@3933: } celestar@3933: } else if (_patches.bridge_pillars) { celestar@3933: // draw pillars below for high bridges celestar@3933: DrawBridgePillars(b[2], ti, axis, type, x, y, z); celestar@3933: } celestar@3933: } celestar@3933: celestar@3933: celestar@3933: uint SetSpeedLimitOnBridge(Vehicle *v) celestar@3933: { celestar@3933: uint bridge_speed; celestar@3933: if (v->vehstatus & VS_HIDDEN) return v->max_speed; /* in tunnel */ celestar@3933: celestar@3933: bridge_speed = _bridge[GetBridgeType(v->tile)].speed; celestar@3933: celestar@3933: if (v->type == VEH_Road) bridge_speed *= 2; /* XXX give vehicles proper speeds */ celestar@3933: celestar@3933: if (v->cur_speed > bridge_speed) v->cur_speed = bridge_speed; celestar@3933: return bridge_speed; celestar@3933: } celestar@3933: celestar@3933: celestar@3933: tron@2537: static uint GetSlopeZ_TunnelBridge(const TileInfo* ti) tron@2537: { tron@3517: TileIndex tile = ti->tile; truelight@0: uint z = ti->z; truelight@0: uint x = ti->x & 0xF; truelight@0: uint y = ti->y & 0xF; tron@3636: Slope tileh = ti->tileh; truelight@0: tron@3517: if (IsTunnel(tile)) { tron@3517: uint pos = (DiagDirToAxis(GetTunnelDirection(tile)) == AXIS_X ? y : x); truelight@0: tron@3517: // In the tunnel entrance? tron@3517: if (5 <= pos && pos <= 10) return z; tron@3517: } else { celestar@3933: DiagDirection dir = GetBridgeRampDirection(tile); celestar@3933: uint pos = (DiagDirToAxis(dir) == AXIS_X ? y : x); tron@3517: celestar@3933: // On the bridge ramp? celestar@3933: if (5 <= pos && pos <= 10) { celestar@3933: uint delta; truelight@193: celestar@3933: if (HASBIT(BRIDGE_HORZ_RAMP, tileh)) return z + TILE_HEIGHT; celestar@3933: celestar@3933: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh)) z += TILE_HEIGHT; celestar@3933: switch (dir) { celestar@3933: default: celestar@3933: case DIAGDIR_NE: delta = (TILE_SIZE - 1 - x) / 2; break; celestar@3933: case DIAGDIR_SE: delta = y / 2; break; celestar@3933: case DIAGDIR_SW: delta = x / 2; break; celestar@3933: case DIAGDIR_NW: delta = (TILE_SIZE - 1 - y) / 2; break; truelight@0: } celestar@3933: return z + 1 + delta; tron@3517: } else { celestar@3933: uint f = GetBridgeFoundation(tileh, DiagDirToAxis(dir)); tron@3517: celestar@3933: if (f != 0) { celestar@3933: if (f < 15) return z + TILE_HEIGHT; celestar@3933: tileh = _inclined_tileh[f - 15]; tron@3517: } truelight@0: } truelight@0: } truelight@0: tron@3517: return z + GetPartialZ(x, y, tileh); truelight@0: } truelight@0: tron@3636: static Slope GetSlopeTileh_TunnelBridge(TileIndex tile, Slope tileh) tron@2639: { dominik@39: // not accurate, but good enough for slope graphics drawing tron@3636: return SLOPE_FLAT; dominik@39: } dominik@39: dominik@39: tron@1977: static void GetAcceptedCargo_TunnelBridge(TileIndex tile, AcceptedCargo ac) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: truelight@0: static const StringID _bridge_tile_str[(MAX_BRIDGES + 3) + (MAX_BRIDGES + 3)] = { truelight@0: STR_501F_WOODEN_RAIL_BRIDGE, truelight@0: STR_5020_CONCRETE_RAIL_BRIDGE, truelight@0: STR_501C_STEEL_GIRDER_RAIL_BRIDGE, truelight@0: STR_501E_REINFORCED_CONCRETE_SUSPENSION, truelight@0: STR_501B_STEEL_SUSPENSION_RAIL_BRIDGE, truelight@0: STR_501B_STEEL_SUSPENSION_RAIL_BRIDGE, truelight@0: STR_501D_STEEL_CANTILEVER_RAIL_BRIDGE, truelight@0: STR_501D_STEEL_CANTILEVER_RAIL_BRIDGE, truelight@0: STR_501D_STEEL_CANTILEVER_RAIL_BRIDGE, truelight@0: STR_501C_STEEL_GIRDER_RAIL_BRIDGE, truelight@0: STR_5027_TUBULAR_RAIL_BRIDGE, truelight@0: STR_5027_TUBULAR_RAIL_BRIDGE, truelight@0: STR_5027_TUBULAR_RAIL_BRIDGE, truelight@0: 0,0,0, truelight@0: truelight@0: STR_5025_WOODEN_ROAD_BRIDGE, truelight@0: STR_5026_CONCRETE_ROAD_BRIDGE, truelight@0: STR_5022_STEEL_GIRDER_ROAD_BRIDGE, truelight@0: STR_5024_REINFORCED_CONCRETE_SUSPENSION, truelight@0: STR_5021_STEEL_SUSPENSION_ROAD_BRIDGE, truelight@0: STR_5021_STEEL_SUSPENSION_ROAD_BRIDGE, truelight@0: STR_5023_STEEL_CANTILEVER_ROAD_BRIDGE, truelight@0: STR_5023_STEEL_CANTILEVER_ROAD_BRIDGE, truelight@0: STR_5023_STEEL_CANTILEVER_ROAD_BRIDGE, truelight@0: STR_5022_STEEL_GIRDER_ROAD_BRIDGE, truelight@0: STR_5028_TUBULAR_ROAD_BRIDGE, truelight@0: STR_5028_TUBULAR_ROAD_BRIDGE, truelight@0: STR_5028_TUBULAR_ROAD_BRIDGE, truelight@0: 0,0,0, truelight@0: }; truelight@0: tron@1977: static void GetTileDesc_TunnelBridge(TileIndex tile, TileDesc *td) truelight@0: { tron@3184: if (IsTunnel(tile)) { tron@3154: td->str = (GetTunnelTransportType(tile) == TRANSPORT_RAIL) ? tron@3154: STR_5017_RAILROAD_TUNNEL : STR_5018_ROAD_TUNNEL; truelight@0: } else { tron@3234: td->str = _bridge_tile_str[GetBridgeTransportType(tile) << 4 | GetBridgeType(tile)]; truelight@0: } tron@1901: td->owner = GetTileOwner(tile); truelight@0: } truelight@0: truelight@0: tron@1977: static void AnimateTile_TunnelBridge(TileIndex tile) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: tron@1977: static void TileLoop_TunnelBridge(TileIndex tile) truelight@0: { tron@3017: switch (_opt.landscape) { tron@3017: case LT_HILLY: tron@3017: if (GetTileZ(tile) > _opt.snow_line) { tron@3017: if (!(_m[tile].m4 & 0x80)) { tron@3017: _m[tile].m4 |= 0x80; tron@3017: MarkTileDirtyByTile(tile); tron@3017: } tron@3017: } else { tron@3017: if (_m[tile].m4 & 0x80) { tron@3017: _m[tile].m4 &= ~0x80; tron@3017: MarkTileDirtyByTile(tile); tron@3017: } tron@3017: } tron@3017: break; tron@3017: tron@3017: case LT_DESERT: belugas@3379: if (GetTropicZone(tile) == TROPICZONE_DESERT && !(_m[tile].m4 & 0x80)) { tron@2049: _m[tile].m4 |= 0x80; truelight@0: MarkTileDirtyByTile(tile); truelight@0: } tron@3017: break; truelight@0: } truelight@0: } truelight@0: tron@1977: static void ClickTile_TunnelBridge(TileIndex tile) truelight@0: { truelight@0: /* not used */ truelight@0: } truelight@0: truelight@0: tron@1977: static uint32 GetTileTrackStatus_TunnelBridge(TileIndex tile, TransportType mode) truelight@0: { tron@3184: if (IsTunnel(tile)) { tron@3154: if (GetTunnelTransportType(tile) == mode) { tron@3154: return DiagDirToAxis(GetTunnelDirection(tile)) == AXIS_X ? 0x101 : 0x202; truelight@0: } tron@3234: } else if (IsBridge(tile)) { // XXX is this necessary? celestar@3933: if (GetBridgeTransportType(tile) != mode) return 0; celestar@3933: return (DiagDirToAxis(GetBridgeRampDirection(tile)) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y) * 0x101; truelight@159: } else { truelight@159: assert(0); /* This should never occur */ truelight@0: } truelight@0: return 0; truelight@0: } truelight@0: Darkvater@2436: static void ChangeTileOwner_TunnelBridge(TileIndex tile, PlayerID old_player, PlayerID new_player) truelight@0: { tron@1901: if (!IsTileOwner(tile, old_player)) return; truelight@193: tron@2502: if (new_player != OWNER_SPECTATOR) { tron@1902: SetTileOwner(tile, new_player); truelight@0: } else { celestar@3933: DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); truelight@0: } truelight@0: } truelight@0: truelight@0: truelight@0: static const byte _tunnel_fractcoord_1[4] = {0x8E,0x18,0x81,0xE8}; truelight@0: static const byte _tunnel_fractcoord_2[4] = {0x81,0x98,0x87,0x38}; truelight@0: static const byte _tunnel_fractcoord_3[4] = {0x82,0x88,0x86,0x48}; truelight@0: static const byte _exit_tunnel_track[4] = {1,2,1,2}; truelight@0: truelight@0: static const byte _road_exit_tunnel_state[4] = {8, 9, 0, 1}; truelight@0: static const byte _road_exit_tunnel_frame[4] = {2, 7, 9, 4}; truelight@0: truelight@0: static const byte _tunnel_fractcoord_4[4] = {0x52, 0x85, 0x98, 0x29}; truelight@0: static const byte _tunnel_fractcoord_5[4] = {0x92, 0x89, 0x58, 0x25}; truelight@0: static const byte _tunnel_fractcoord_6[4] = {0x92, 0x89, 0x56, 0x45}; truelight@0: static const byte _tunnel_fractcoord_7[4] = {0x52, 0x85, 0x96, 0x49}; truelight@0: tron@1977: static uint32 VehicleEnter_TunnelBridge(Vehicle *v, TileIndex tile, int x, int y) truelight@0: { celestar@3933: int z = GetSlopeZ(x, y) - v->z_pos; celestar@3933: celestar@3933: if (myabs(z) > 2) return 8; celestar@3933: tron@3184: if (IsTunnel(tile)) { tron@2989: byte fc; tron@3153: DiagDirection dir; tron@3153: DiagDirection vdir; tron@2989: truelight@0: if (v->type == VEH_Train) { tron@2951: fc = (x & 0xF) + (y << 4); truelight@193: tron@3154: dir = GetTunnelDirection(tile); tron@3153: vdir = DirToDiagDir(v->direction); truelight@0: truelight@0: if (v->u.rail.track != 0x40 && dir == vdir) { bjarni@2676: if (IsFrontEngine(v) && fc == _tunnel_fractcoord_1[dir]) { truelight@0: if (v->spritenum < 4) tron@541: SndPlayVehicleFx(SND_05_TRAIN_THROUGH_TUNNEL, v); truelight@0: return 0; truelight@0: } truelight@0: if (fc == _tunnel_fractcoord_2[dir]) { truelight@0: v->tile = tile; truelight@0: v->u.rail.track = 0x40; truelight@0: v->vehstatus |= VS_HIDDEN; truelight@0: return 4; truelight@0: } truelight@0: } truelight@0: tron@3153: if (dir == ReverseDiagDir(vdir) && fc == _tunnel_fractcoord_3[dir] && z == 0) { darkvater@22: /* We're at the tunnel exit ?? */ truelight@0: v->tile = tile; truelight@0: v->u.rail.track = _exit_tunnel_track[dir]; matthijs@1330: assert(v->u.rail.track); truelight@0: v->vehstatus &= ~VS_HIDDEN; truelight@0: return 4; truelight@0: } truelight@0: } else if (v->type == VEH_Road) { tron@2951: fc = (x & 0xF) + (y << 4); tron@3154: dir = GetTunnelDirection(tile); tron@3153: vdir = DirToDiagDir(v->direction); truelight@0: truelight@0: // Enter tunnel? truelight@0: if (v->u.road.state != 0xFF && dir == vdir) { truelight@0: if (fc == _tunnel_fractcoord_4[dir] || truelight@0: fc == _tunnel_fractcoord_5[dir]) { truelight@0: v->tile = tile; truelight@0: v->u.road.state = 0xFF; truelight@193: v->vehstatus |= VS_HIDDEN; truelight@0: return 4; truelight@0: } else { truelight@0: return 0; truelight@0: } truelight@0: } truelight@0: tron@3153: if (dir == ReverseDiagDir(vdir) && ( tron@2951: /* We're at the tunnel exit ?? */ tron@2951: fc == _tunnel_fractcoord_6[dir] || tron@2951: fc == _tunnel_fractcoord_7[dir] tron@2951: ) && truelight@0: z == 0) { truelight@0: v->tile = tile; truelight@0: v->u.road.state = _road_exit_tunnel_state[dir]; truelight@0: v->u.road.frame = _road_exit_tunnel_frame[dir]; truelight@0: v->vehstatus &= ~VS_HIDDEN; truelight@0: return 4; truelight@0: } truelight@0: } tron@3234: } else if (IsBridge(tile)) { // XXX is this necessary? celestar@3933: DiagDirection dir; celestar@3933: bjarni@2676: if (v->type == VEH_Road || (v->type == VEH_Train && IsFrontEngine(v))) { celestar@3933: /* modify speed of vehicle */ celestar@3933: uint16 spd = _bridge[GetBridgeType(tile)].speed; celestar@3933: celestar@3933: if (v->type == VEH_Road) spd *= 2; celestar@3933: if (v->cur_speed > spd) v->cur_speed = spd; celestar@3933: } celestar@3933: celestar@3933: dir = GetBridgeRampDirection(tile); celestar@3933: if (DirToDiagDir(v->direction) == dir) { celestar@3933: switch (dir) { celestar@3933: default: celestar@3933: case DIAGDIR_NE: if ((x & 0xF) != 0) return 0; break; celestar@3933: case DIAGDIR_SE: if ((y & 0xF) != TILE_SIZE - 1) return 0; break; celestar@3933: case DIAGDIR_SW: if ((x & 0xF) != TILE_SIZE - 1) return 0; break; celestar@3933: case DIAGDIR_NW: if ((y & 0xF) != 0) return 0; break; truelight@0: } celestar@3933: if (v->type == VEH_Train) { celestar@3933: v->u.rail.track = 0x40; celestar@3933: CLRBIT(v->u.rail.flags, VRF_GOINGUP); celestar@3933: CLRBIT(v->u.rail.flags, VRF_GOINGDOWN); celestar@3933: } else { celestar@3933: v->u.road.state = 0xFF; celestar@3933: } celestar@3933: return 4; celestar@3933: } else if (DirToDiagDir(v->direction) == ReverseDiagDir(dir)) { celestar@3933: v->tile = tile; celestar@3933: if (v->type == VEH_Train) { celestar@3933: if (v->u.rail.track == 0x40) { celestar@3933: v->u.rail.track = (DiagDirToAxis(dir) == AXIS_X ? 1 : 2); celestar@3933: return 4; celestar@3933: } celestar@3933: } else { celestar@3933: if (v->u.road.state == 0xFF) { celestar@3933: v->u.road.state = _road_exit_tunnel_state[dir]; celestar@3933: v->u.road.frame = 0; celestar@3933: return 4; celestar@3933: } celestar@3933: } celestar@3933: return 0; truelight@0: } truelight@0: } truelight@0: return 0; truelight@0: } truelight@0: truelight@0: const TileTypeProcs _tile_type_tunnelbridge_procs = { truelight@0: DrawTile_TunnelBridge, /* draw_tile_proc */ truelight@0: GetSlopeZ_TunnelBridge, /* get_slope_z_proc */ truelight@0: ClearTile_TunnelBridge, /* clear_tile_proc */ truelight@0: GetAcceptedCargo_TunnelBridge, /* get_accepted_cargo_proc */ truelight@0: GetTileDesc_TunnelBridge, /* get_tile_desc_proc */ truelight@0: GetTileTrackStatus_TunnelBridge,/* get_tile_track_status_proc */ truelight@0: ClickTile_TunnelBridge, /* click_tile_proc */ truelight@0: AnimateTile_TunnelBridge, /* animate_tile_proc */ truelight@0: TileLoop_TunnelBridge, /* tile_loop_clear */ truelight@0: ChangeTileOwner_TunnelBridge, /* change_tile_owner_clear */ truelight@0: NULL, /* get_produced_cargo_proc */ truelight@0: VehicleEnter_TunnelBridge, /* vehicle_enter_tile_proc */ dominik@39: GetSlopeTileh_TunnelBridge, /* get_slope_tileh_proc */ truelight@0: };