tron@2186: /* $Id$ */
tron@2186:
belugas@6117: /** @file tunnelbridge_cmd.cpp
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"
rubidium@7266: #include "strings.h"
tron@2163: #include "functions.h"
tron@679: #include "map.h"
maedhros@6343: #include "landscape.h"
tron@1209: #include "tile.h"
tron@3154: #include "tunnel_map.h"
celestar@5385: #include "unmovable_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"
rubidium@4261: #include "date.h"
peter1138@4656: #include "newgrf_sound.h"
rubidium@7582: #include "autoslope.h"
belugas@7849: #include "transparency.h"
truelight@0:
ludde@2261: #include "table/bridge_land.h"
ludde@2261:
peter1138@2478: const Bridge orig_bridge[] = {
celestar@2262: /*
rubidium@4293: year of availablity
rubidium@4293: | minimum length
rubidium@4293: | | maximum length
rubidium@4293: | | | price
rubidium@4293: | | | | maximum speed
rubidium@4293: | | | | | sprite to use in GUI string with description
rubidium@4293: | | | | | | | */
peter1138@5668: { 0, 0, 16, 80, 32, 0xA24, PAL_NONE , STR_5012_WOODEN , NULL, 0 },
peter1138@5668: { 0, 0, 2, 112, 48, 0xA26, PALETTE_TO_STRUCT_RED , STR_5013_CONCRETE , NULL, 0 },
peter1138@5668: { 1930, 0, 5, 144, 64, 0xA25, PAL_NONE , STR_500F_GIRDER_STEEL , NULL, 0 },
peter1138@5668: { 0, 2, 10, 168, 80, 0xA22, PALETTE_TO_STRUCT_CONCRETE, STR_5011_SUSPENSION_CONCRETE, NULL, 0 },
peter1138@5668: { 1930, 3, 16, 185, 96, 0xA22, PAL_NONE , STR_500E_SUSPENSION_STEEL , NULL, 0 },
peter1138@5668: { 1930, 3, 16, 192, 112, 0xA22, PALETTE_TO_STRUCT_YELLOW , STR_500E_SUSPENSION_STEEL , NULL, 0 },
peter1138@5668: { 1930, 3, 7, 224, 160, 0xA23, PAL_NONE , STR_5010_CANTILEVER_STEEL , NULL, 0 },
peter1138@5668: { 1930, 3, 8, 232, 208, 0xA23, PALETTE_TO_STRUCT_BROWN , STR_5010_CANTILEVER_STEEL , NULL, 0 },
peter1138@5668: { 1930, 3, 9, 248, 240, 0xA23, PALETTE_TO_STRUCT_RED , STR_5010_CANTILEVER_STEEL , NULL, 0 },
peter1138@5668: { 1930, 0, 2, 240, 256, 0xA27, PAL_NONE , STR_500F_GIRDER_STEEL , NULL, 0 },
peter1138@5668: { 1995, 2, 16, 255, 320, 0xA28, PAL_NONE , STR_5014_TUBULAR_STEEL , NULL, 0 },
peter1138@5668: { 2005, 2, 32, 380, 512, 0xA28, PALETTE_TO_STRUCT_YELLOW , STR_5014_TUBULAR_STEEL , NULL, 0 },
peter1138@5668: { 2010, 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:
belugas@6422: /** calculate the price factor for building a long bridge.
belugas@6422: * 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,
belugas@6422: */
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))
rubidium@6248: enum BridgeFoundation {
belugas@6422: /* 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),
belugas@6422: /* 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),
belugas@6422: /* 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)
rubidium@6248: };
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:
truelight@0:
tron@4239: /** Check the slope at the bridge ramps in three easy steps:
tron@4239: * - valid slopes without foundation
tron@4239: * - valid slopes with foundation
tron@4239: * - rest is invalid
tron@4239: */
tron@4239: #define M(x) (1 << (x))
rubidium@6943: static CommandCost CheckBridgeSlopeNorth(Axis axis, Slope tileh)
tron@4239: {
tron@4239: uint32 valid;
truelight@0:
tron@4239: valid = M(SLOPE_FLAT) | (axis == AXIS_X ? M(SLOPE_NE) : M(SLOPE_NW));
rubidium@6950: if (HASBIT(valid, tileh)) return CommandCost();
truelight@0:
tron@4239: valid =
tron@4246: BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_N) | M(SLOPE_STEEP_N) |
tron@4246: (axis == AXIS_X ? M(SLOPE_E) | M(SLOPE_STEEP_E) : M(SLOPE_W) | M(SLOPE_STEEP_W));
rubidium@6950: if (HASBIT(valid, tileh)) return CommandCost(_price.terraform);
tron@2639:
truelight@0: return CMD_ERROR;
truelight@0: }
truelight@0:
rubidium@6943: static CommandCost CheckBridgeSlopeSouth(Axis axis, Slope tileh)
tron@4239: {
tron@4239: uint32 valid;
tron@4239:
tron@4239: valid = M(SLOPE_FLAT) | (axis == AXIS_X ? M(SLOPE_SW) : M(SLOPE_SE));
rubidium@6950: if (HASBIT(valid, tileh)) return CommandCost();
tron@4239:
tron@4239: valid =
tron@4246: BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_S) | M(SLOPE_STEEP_S) |
tron@4246: (axis == AXIS_X ? M(SLOPE_W) | M(SLOPE_STEEP_W) : M(SLOPE_E) | M(SLOPE_STEEP_E));
rubidium@6950: if (HASBIT(valid, tileh)) return CommandCost(_price.terraform);
tron@4239:
tron@4239: return CMD_ERROR;
tron@4239: }
tron@4239: #undef M
tron@4239:
tron@4239:
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
belugas@6422: * @param flags type of operation
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)
rubidium@6661: * - p2 = (bit 8-..) - rail type or road types.
rubidium@6661: * - p2 = (bit 15 ) - set means road bridge.
truelight@0: */
rubidium@6943: CommandCost CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
maedhros@5930: uint bridge_type;
tron@3180: RailType railtype;
rubidium@6661: RoadTypes roadtypes;
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;
rubidium@6943: CommandCost cost, terraformcost, ret;
pasky@1585: bool allow_on_slopes;
maedhros@5930: bool replace_bridge = false;
maedhros@5930: uint replaced_bridge_type;
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:
belugas@6422: /* type of bridge */
tron@3180: if (HASBIT(p2, 15)) {
tron@5852: railtype = INVALID_RAILTYPE; // road bridge
rubidium@6663: roadtypes = (RoadTypes)GB(p2, 8, 3);
truelight@7857: if (!AreValidRoadTypes(roadtypes) || !HasRoadTypesAvail(_current_player, roadtypes)) return CMD_ERROR;
truelight@0: } else {
tron@3180: if (!ValParamRailtype(GB(p2, 8, 8))) return CMD_ERROR;
rubidium@5587: railtype = (RailType)GB(p2, 8, 8);
rubidium@6663: roadtypes = ROADTYPES_NONE;
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;
tron@6106: if (y > sy) Swap(y, sy);
truelight@0: } else if (y == sy) {
tron@3157: direction = AXIS_X;
tron@6106: if (x > sx) Swap(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@4000: 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);
rubidium@7739: if (IsWaterTile(tile_start) || IsWaterTile(tile_end)) {
tron@4000: return_cmd_error(STR_02A0_ENDS_OF_BRIDGE_MUST_BOTH);
tron@4000: }
truelight@0:
tron@3301: tileh_start = GetTileSlope(tile_start, &z_start);
tron@3301: tileh_end = GetTileSlope(tile_end, &z_end);
tron@3301:
tron@4246: if (IsSteepSlope(tileh_start)) z_start += TILE_HEIGHT;
rubidium@7403: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_start)) z_start += TILE_HEIGHT;
truelight@0:
tron@4246: if (IsSteepSlope(tileh_end)) z_end += TILE_HEIGHT;
rubidium@7403: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_end)) z_end += TILE_HEIGHT;
truelight@0:
rubidium@7682: if (z_start != z_end) return_cmd_error(STR_BRIDGEHEADS_NOT_SAME_HEIGHT);
pasky@1585:
truelight@2422: allow_on_slopes = (!_is_old_ai_player
truelight@7845: && _patches.build_on_slopes);
pasky@1585:
maedhros@5930: TransportType transport_type = railtype == INVALID_RAILTYPE ? TRANSPORT_ROAD : TRANSPORT_RAIL;
truelight@0:
maedhros@5930: if (IsBridgeTile(tile_start) && IsBridgeTile(tile_end) &&
maedhros@5930: GetOtherBridgeEnd(tile_start) == tile_end &&
maedhros@5930: GetBridgeTransportType(tile_start) == transport_type) {
maedhros@5930: /* Replace a current bridge. */
truelight@193:
maedhros@5930: /* If this is a railway bridge, make sure the railtypes match. */
maedhros@5930: if (transport_type == TRANSPORT_RAIL && GetRailType(tile_start) != railtype) {
maedhros@5930: return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
maedhros@5930: }
truelight@0:
maedhros@5930: /* Do not replace town bridges with lower speed bridges. */
maedhros@5930: if (!(flags & DC_QUERY_COST) && IsTileOwner(tile_start, OWNER_TOWN) &&
maedhros@5930: _bridge[bridge_type].speed < _bridge[GetBridgeType(tile_start)].speed) {
maedhros@5930: Town *t = ClosestTownFromTile(tile_start, UINT_MAX);
maedhros@5930:
maedhros@5930: if (t == NULL) {
maedhros@5930: return CMD_ERROR;
maedhros@5930: } else {
maedhros@5930: SetDParam(0, t->index);
maedhros@5930: return_cmd_error(STR_2009_LOCAL_AUTHORITY_REFUSES);
maedhros@5930: }
maedhros@5930: }
maedhros@5930:
maedhros@5930: /* Do not replace the bridge with the same bridge type. */
maedhros@5930: if (!(flags & DC_QUERY_COST) && bridge_type == GetBridgeType(tile_start)) {
maedhros@5930: return_cmd_error(STR_1007_ALREADY_BUILT);
maedhros@5930: }
maedhros@5930:
maedhros@5930: /* Do not allow replacing another player's bridges. */
maedhros@5930: if (!IsTileOwner(tile_start, _current_player) && !IsTileOwner(tile_start, OWNER_TOWN)) {
maedhros@5930: return_cmd_error(STR_1024_AREA_IS_OWNED_BY_ANOTHER);
maedhros@5930: }
maedhros@5930:
rubidium@6950: cost.AddCost((bridge_len + 1) * _price.clear_bridge); // The cost of clearing the current bridge.
maedhros@5930: replace_bridge = true;
maedhros@5930: replaced_bridge_type = GetBridgeType(tile_start);
rubidium@6708:
rubidium@6708: /* Do not remove road types when upgrading a bridge */
rubidium@6708: roadtypes |= GetRoadTypes(tile_start);
maedhros@5930: } else {
maedhros@5930: /* Build a new bridge. */
maedhros@5930:
maedhros@5930: /* Try and clear the start landscape */
maedhros@5930: ret = DoCommand(tile_start, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
maedhros@5930: if (CmdFailed(ret)) return ret;
maedhros@5930: cost = ret;
maedhros@5930:
maedhros@5930: terraformcost = CheckBridgeSlopeNorth(direction, tileh_start);
rubidium@6950: if (CmdFailed(terraformcost) || (terraformcost.GetCost() != 0 && !allow_on_slopes))
maedhros@5930: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
rubidium@6950: cost.AddCost(terraformcost);
maedhros@5930:
maedhros@5930: /* Try and clear the end landscape */
maedhros@5930: ret = DoCommand(tile_end, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
maedhros@5930: if (CmdFailed(ret)) return ret;
rubidium@6950: cost.AddCost(ret);
maedhros@5930:
belugas@6422: /* false - end tile slope check */
maedhros@5930: terraformcost = CheckBridgeSlopeSouth(direction, tileh_end);
rubidium@6950: if (CmdFailed(terraformcost) || (terraformcost.GetCost() != 0 && !allow_on_slopes))
maedhros@5930: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
rubidium@6950: cost.AddCost(terraformcost);
maedhros@5930: }
maedhros@5930:
maedhros@5930: if (!replace_bridge) {
celestar@5385: TileIndex Heads[] = {tile_start, tile_end};
celestar@5385: int i;
celestar@5385:
celestar@5385: for (i = 0; i < 2; i++) {
celestar@5385: if (MayHaveBridgeAbove(Heads[i])) {
celestar@5385: if (IsBridgeAbove(Heads[i])) {
celestar@5385: TileIndex north_head = GetNorthernBridgeEnd(Heads[i]);
celestar@5385:
celestar@5385: if (direction == GetBridgeAxis(Heads[i])) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
celestar@5385:
celestar@5385: if (z_start + TILE_HEIGHT == GetBridgeHeight(north_head)) {
celestar@5385: return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
celestar@5385: }
celestar@5385: }
celestar@5385: }
celestar@5385: }
celestar@5385: }
truelight@0:
truelight@0: /* do the drill? */
truelight@0: if (flags & DC_EXEC) {
tron@3209: DiagDirection dir = AxisToDiagDir(direction);
maedhros@5930: Owner owner = (replace_bridge && IsTileOwner(tile_start, OWNER_TOWN)) ? OWNER_TOWN : _current_player;
truelight@0:
tron@5852: if (railtype != INVALID_RAILTYPE) {
maedhros@5930: MakeRailBridgeRamp(tile_start, owner, bridge_type, dir, railtype);
maedhros@5930: MakeRailBridgeRamp(tile_end, owner, bridge_type, ReverseDiagDir(dir), railtype);
tron@3209: } else {
rubidium@6661: MakeRoadBridgeRamp(tile_start, owner, bridge_type, dir, roadtypes);
rubidium@6661: MakeRoadBridgeRamp(tile_end, owner, bridge_type, ReverseDiagDir(dir), roadtypes);
tron@3209: }
tron@3301: MarkTileDirtyByTile(tile_start);
tron@3301: MarkTileDirtyByTile(tile_end);
truelight@0: }
truelight@0:
tron@3178: delta = (direction == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
celestar@5385: for (tile = tile_start + delta; tile != tile_end; tile += delta) {
tron@3178: uint z;
truelight@0:
rubidium@7682: if (GetTileSlope(tile, &z) != SLOPE_FLAT && z >= z_start) return_cmd_error(STR_BRIDGE_TOO_LOW_FOR_TERRAIN);
truelight@0:
maedhros@5930: if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile) && !replace_bridge) {
celestar@5385: /* Disallow crossing bridges for the time being */
celestar@5385: return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
tron@3183: }
truelight@0:
tron@3178: switch (GetTileType(tile)) {
tron@3065: case MP_WATER:
rubidium@7758: if (!EnsureNoVehicleOnGround(tile)) return_cmd_error(STR_980E_SHIP_IN_THE_WAY);
tron@4000: if (!IsWater(tile) && !IsCoast(tile)) goto not_valid_below;
tron@3065: break;
truelight@0:
tron@3065: case MP_RAILWAY:
celestar@5385: if (!IsPlainRailTile(tile)) goto not_valid_below;
tron@3065: break;
tron@3065:
rubidium@7370: case MP_ROAD:
celestar@5385: if (GetRoadTileType(tile) == ROAD_TILE_DEPOT) goto not_valid_below;
celestar@5385: break;
celestar@5385:
celestar@5385: case MP_TUNNELBRIDGE:
celestar@5385: if (IsTunnel(tile)) break;
maedhros@5930: if (replace_bridge) break;
celestar@5385: if (direction == DiagDirToAxis(GetBridgeRampDirection(tile))) goto not_valid_below;
celestar@5385: if (z_start < GetBridgeHeight(tile)) goto not_valid_below;
celestar@5385: break;
celestar@5385:
celestar@5385: case MP_UNMOVABLE:
celestar@5385: if (!IsOwnedLand(tile)) goto not_valid_below;
celestar@5385: break;
celestar@5385:
celestar@5385: case MP_CLEAR:
maedhros@5930: if (!replace_bridge && 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;
rubidium@6950: cost.AddCost(ret);
tron@3065: break;
truelight@0: }
truelight@0:
truelight@0: if (flags & DC_EXEC) {
celestar@5385: SetBridgeMiddle(tile, direction);
tron@3178: MarkTileDirtyByTile(tile);
truelight@0: }
truelight@0: }
truelight@0:
Darkvater@5554: if (flags & DC_EXEC) {
Darkvater@5561: Track track = AxisToTrack(direction);
Darkvater@5561: SetSignalsOnBothDir(tile_start, track);
Darkvater@5561: YapfNotifyTrackLayoutChange(tile_start, track);
Darkvater@5554: }
truelight@0:
rubidium@4434: /* for human player that builds the bridge he gets a selection to choose from bridges (DC_QUERY_COST)
rubidium@4434: * It's unnecessary to execute this command every time for every bridge. So it is done only
rubidium@4434: * and cost is computed in "bridge_gui.c". For AI, Towns this has to be of course calculated
rubidium@4434: */
truelight@193: if (!(flags & DC_QUERY_COST)) {
celestar@2262: const Bridge *b = &_bridge[bridge_type];
celestar@2262:
rubidium@4434: bridge_len += 2; // begin and end tiles/ramps
truelight@0:
Darkvater@4850: if (IsValidPlayer(_current_player) && !_is_old_ai_player)
truelight@0: bridge_len = CalcBridgeLenCostFactor(bridge_len);
truelight@0:
rubidium@6950: cost.AddCost((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.
belugas@6484: * @param start_tile start tile of tunnel
belugas@6422: * @param flags type of operation
rubidium@6661: * @param p1 railtype or roadtypes. bit 9 set means road tunnel
tron@2639: * @param p2 unused
truelight@0: */
rubidium@6943: CommandCost 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;
rubidium@6943: CommandCost cost;
rubidium@6943: CommandCost ret;
truelight@0:
tron@3063: _build_tunnel_endtile = 0;
rubidium@6663: if (!HASBIT(p1, 9)) {
rubidium@6661: if (!ValParamRailtype(p1)) return CMD_ERROR;
truelight@7857: } else {
truelight@7857: const RoadTypes rts = (RoadTypes)GB(p1, 0, 3);
truelight@7857: if (!AreValidRoadTypes(rts) || !HasRoadTypesAvail(_current_player, rts)) return CMD_ERROR;
rubidium@6661: }
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;
truelight@0:
Darkvater@4273: /* XXX - do NOT change 'ret' in the loop, as it is used as the price
Darkvater@4273: * for the clearing of the entrance of the tunnel. Assigning it to
Darkvater@4273: * cost before the loop will yield different costs depending on start-
Darkvater@4273: * position, because of increased-cost-by-length: 'cost += cost >> 3' */
rubidium@6950:
Darkvater@4559: delta = TileOffsByDiagDir(direction);
rubidium@7002: DiagDirection tunnel_in_way_dir;
rubidium@7002: if (OtherAxis(DiagDirToAxis(direction)) == AXIS_X) {
rubidium@7002: tunnel_in_way_dir = (TileX(start_tile) < (MapMaxX() / 2)) ? DIAGDIR_SW : DIAGDIR_NE;
rubidium@7002: } else {
rubidium@7002: tunnel_in_way_dir = (TileY(start_tile) < (MapMaxX() / 2)) ? DIAGDIR_SE : DIAGDIR_NW;
rubidium@7002: }
rubidium@7002:
tron@3063: end_tile = start_tile;
rubidium@7095:
rubidium@7095: /** Tile shift coeficient. Will decrease for very long tunnels to avoid exponential growth of price*/
rubidium@7095: int tiles_coef = 3;
rubidium@7095: /** Number of tiles from start of tunnel */
rubidium@7095: int tiles = 0;
truelight@7308: /** Number of tiles at which the cost increase coefficient per tile is halved */
truelight@7308: int tiles_bump = 25;
rubidium@7095:
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:
rubidium@7002: if (!_cheats.crossing_tunnels.value && IsTunnelInWayDir(end_tile, start_z, tunnel_in_way_dir)) {
tron@3156: return_cmd_error(STR_5003_ANOTHER_TUNNEL_IN_THE_WAY);
tron@3063: }
tron@3063:
rubidium@7095: tiles++;
truelight@7308: if (tiles == tiles_bump) {
truelight@7308: tiles_coef++;
truelight@7308: tiles_bump *= 2;
truelight@7308: }
rubidium@7095:
rubidium@6950: cost.AddCost(_price.build_tunnel);
rubidium@7095: cost.AddCost(cost.GetCost() >> tiles_coef); // add a multiplier for longer tunnels
truelight@0: }
truelight@0:
Darkvater@4273: /* Add the cost of the entrance */
rubidium@6950: cost.AddCost(_price.build_tunnel);
rubidium@6950: cost.AddCost(ret);
Darkvater@4273:
belugas@6422: /* if the command fails from here on we want the end tile to be highlighted */
tron@3063: _build_tunnel_endtile = end_tile;
tron@3063:
belugas@6422: /* slope of end tile must be complementary to the slope of the start tile */
tron@3636: if (end_tileh != ComplementSlope(start_tileh)) {
rubidium@7677: /* Check if there is a structure on the terraformed tile. Do not add the cost, that will be done by the terraforming */
rubidium@7677: ret = DoCommand(end_tile, 0, 0, DC_AUTO, CMD_LANDSCAPE_CLEAR);
rubidium@7677: if (CmdFailed(ret)) return_cmd_error(STR_5005_UNABLE_TO_EXCAVATE_LAND);
rubidium@7042:
rubidium@7677: ret = DoCommand(end_tile, end_tileh & start_tileh, 0, flags, CMD_TERRAFORM_LAND);
rubidium@7677: 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: }
rubidium@6950: cost.AddCost(_price.build_tunnel);
rubidium@6950: cost.AddCost(ret);
tron@3063:
tron@3063: if (flags & DC_EXEC) {
tron@3154: if (GB(p1, 9, 1) == TRANSPORT_RAIL) {
rubidium@5587: MakeRailTunnel(start_tile, _current_player, direction, (RailType)GB(p1, 0, 4));
rubidium@5587: MakeRailTunnel(end_tile, _current_player, ReverseDiagDir(direction), (RailType)GB(p1, 0, 4));
KUDr@3900: UpdateSignalsOnSegment(start_tile, direction);
tron@4158: YapfNotifyTrackLayoutChange(start_tile, AxisToTrack(DiagDirToAxis(direction)));
tron@3154: } else {
rubidium@6663: MakeRoadTunnel(start_tile, _current_player, direction, (RoadTypes)GB(p1, 0, 3));
rubidium@6663: MakeRoadTunnel(end_tile, _current_player, ReverseDiagDir(direction), (RoadTypes)GB(p1, 0, 3));
tron@3154: }
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);
Darkvater@4559: TileIndexDiff delta = TileOffsByDiagDir(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) {
rubidium@6259: _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:
Darkvater@5009: static inline bool CheckAllowRemoveTunnelBridge(TileIndex tile)
Darkvater@5009: {
Darkvater@5009: /* Floods can remove anything as well as the scenario editor */
Darkvater@5009: if (_current_player == OWNER_WATER || _game_mode == GM_EDITOR) return true;
Darkvater@5009: /* Obviously if the bridge/tunnel belongs to us, or no-one, we can remove it */
Darkvater@5009: if (CheckTileOwnership(tile) || IsTileOwner(tile, OWNER_NONE)) return true;
Darkvater@5009: /* Otherwise we can only remove town-owned stuff with extra patch-settings, or cheat */
Darkvater@5009: if (IsTileOwner(tile, OWNER_TOWN) && (_patches.extra_dynamite || _cheats.magic_bulldozer.value)) return true;
Darkvater@5009: return false;
Darkvater@5009: }
Darkvater@5009:
rubidium@6943: static CommandCost DoClearTunnel(TileIndex tile, uint32 flags)
truelight@0: {
Darkvater@5009: Town *t = NULL;
Darkvater@1782: TileIndex endtile;
tron@1430: uint length;
truelight@0:
truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@0:
Darkvater@5009: if (!CheckAllowRemoveTunnelBridge(tile)) return CMD_ERROR;
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:
tron@1901: if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
Darkvater@5009: t = ClosestTownFromTile(tile, (uint)-1); // town penalty rating
Darkvater@5009:
Darkvater@5009: /* Check if you are allowed to remove the tunnel owned by a town
Darkvater@5009: * Removal depends on difficulty settings */
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) {
belugas@6422: /* We first need to request the direction before calling DoClearSquare
belugas@6422: * else the direction is always 0.. dah!! ;) */
tron@3157: DiagDirection dir = GetTunnelDirection(tile);
tron@4158: Track track;
peter1138@2870:
belugas@6422: /* 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);
tron@4158: track = AxisToTrack(DiagDirToAxis(dir));
tron@4158: YapfNotifyTrackLayoutChange(tile, track);
tron@4158: YapfNotifyTrackLayoutChange(endtile, track);
truelight@0: }
rubidium@6950: return CommandCost(_price.clear_tunnel * (length + 1));
truelight@0: }
truelight@0:
tron@3977:
celestar@5385: static bool IsVehicleOnBridge(TileIndex starttile, TileIndex endtile, uint z)
tron@3779: {
celestar@5385: const Vehicle *v;
celestar@5385: FOR_ALL_VEHICLES(v) {
celestar@5385: if ((v->tile == starttile || v->tile == endtile) && v->z_pos == z) {
celestar@5385: _error_message = VehicleInTheWayErrMsg(v);
celestar@5385: return true;
celestar@5385: }
celestar@5385: }
celestar@5385: return false;
tron@3779: }
tron@3779:
rubidium@6943: static CommandCost DoClearBridge(TileIndex tile, uint32 flags)
truelight@0: {
tron@3227: DiagDirection direction;
tron@3227: TileIndexDiff delta;
tron@1977: TileIndex endtile;
Darkvater@5009: Town *t = NULL;
truelight@193:
truelight@0: SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@0:
Darkvater@5009: if (!CheckAllowRemoveTunnelBridge(tile)) return CMD_ERROR;
truelight@0:
tron@3228: endtile = GetOtherBridgeEnd(tile);
rubidium@6537: byte bridge_height = GetBridgeHeight(tile);
tron@3228:
rubidium@6537: if (FindVehicleOnTileZ(tile, bridge_height) != NULL ||
rubidium@6537: FindVehicleOnTileZ(endtile, bridge_height) != NULL ||
rubidium@6537: IsVehicleOnBridge(tile, endtile, bridge_height)) {
celestar@5385: return CMD_ERROR;
celestar@5385: }
truelight@0:
tron@3227: direction = GetBridgeRampDirection(tile);
Darkvater@4559: delta = TileOffsByDiagDir(direction);
tron@3227:
tron@1901: if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
Darkvater@5009: t = ClosestTownFromTile(tile, (uint)-1); // town penalty rating
Darkvater@5009:
Darkvater@5009: /* Check if you are allowed to remove the bridge owned by a town
Darkvater@5009: * Removal depends on difficulty settings */
Darkvater@5009: if (!CheckforTownRating(flags, t, TUNNELBRIDGE_REMOVE)) {
Darkvater@5009: SetDParam(0, t->index);
Darkvater@5009: return_cmd_error(STR_2009_LOCAL_AUTHORITY_REFUSES);
Darkvater@5009: }
truelight@0: }
truelight@0:
truelight@0: if (flags & DC_EXEC) {
tron@3217: TileIndex c;
tron@4158: Track track;
truelight@0:
belugas@6422: /* checks if the owner is town then decrease town rating by RATING_TUNNEL_BRIDGE_DOWN_STEP until
belugas@6422: * 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@5385: ClearBridgeMiddle(c);
celestar@5385: MarkTileDirtyByTile(c);
tron@3217: }
truelight@0:
tron@3227: UpdateSignalsOnSegment(tile, ReverseDiagDir(direction));
tron@3227: UpdateSignalsOnSegment(endtile, direction);
tron@4158: track = AxisToTrack(DiagDirToAxis(direction));
tron@4158: YapfNotifyTrackLayoutChange(tile, track);
tron@4158: YapfNotifyTrackLayoutChange(endtile, track);
truelight@0: }
truelight@0:
rubidium@6950: return CommandCost((DistanceManhattan(tile, endtile) + 1) * _price.clear_bridge);
truelight@0: }
truelight@0:
rubidium@6943: static CommandCost 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:
celestar@6368: /**
celestar@6368: * Switches the rail type for a tunnel or a bridgehead. As the railtype
celestar@6368: * on the bridge are determined by the one of the bridgehead, this
celestar@6368: * functions converts the railtype on the entire bridge.
celestar@6368: * @param tile The tile on which the railtype is to be convert.
celestar@6368: * @param totype The railtype we want to convert to
celestar@6368: * @param exec Switches between test and execute mode
celestar@6368: * @return The cost and state of the operation
celestar@6368: * @retval CMD_ERROR An error occured during the operation.
celestar@6368: */
rubidium@6943: CommandCost DoConvertTunnelBridgeRail(TileIndex tile, RailType totype, bool exec)
truelight@0: {
tron@3184: if (IsTunnel(tile) && GetTunnelTransportType(tile) == TRANSPORT_RAIL) {
tron@4000: uint length;
rubidium@7539: TileIndex endtile;
truelight@193:
rubidium@7539: /* If not coverting rail <-> el. rail, any vehicle cannot be in tunnel */
rubidium@7539: if (!IsCompatibleRail(GetRailType(tile), totype)) {
rubidium@7539: endtile = CheckTunnelBusy(tile, &length);
rubidium@7539: if (endtile == INVALID_TILE) return CMD_ERROR;
rubidium@7539: } else {
rubidium@7539: endtile = GetOtherTunnelEnd(tile);
rubidium@7539: length = DistanceManhattan(tile, endtile);
rubidium@7539: }
truelight@0:
truelight@0: if (exec) {
tron@3242: SetRailType(tile, totype);
tron@3242: SetRailType(endtile, totype);
truelight@0: MarkTileDirtyByTile(tile);
truelight@0: MarkTileDirtyByTile(endtile);
KUDr@3900:
rubidium@7539: Track track = AxisToTrack(DiagDirToAxis(GetTunnelDirection(tile)));
rubidium@7539:
KUDr@3900: YapfNotifyTrackLayoutChange(tile, track);
tron@4158: YapfNotifyTrackLayoutChange(endtile, track);
rubidium@7539:
rubidium@7539: VehicleFromPos(tile, &tile, UpdateTrainPowerProc);
rubidium@7539: VehicleFromPos(endtile, &endtile, UpdateTrainPowerProc);
truelight@0: }
rubidium@7539:
maedhros@7730: return CommandCost((length + 1) * (RailBuildCost(totype) / 2));
celestar@5385: } else if (IsBridge(tile) && GetBridgeTransportType(tile) == TRANSPORT_RAIL) {
rubidium@7539: TileIndex endtile = GetOtherBridgeEnd(tile);
rubidium@6537: byte bridge_height = GetBridgeHeight(tile);
truelight@0:
rubidium@7539: if (!IsCompatibleRail(GetRailType(tile), totype) &&
rubidium@7539: (FindVehicleOnTileZ(tile, bridge_height) != NULL ||
rubidium@6537: FindVehicleOnTileZ(endtile, bridge_height) != NULL ||
rubidium@7539: IsVehicleOnBridge(tile, endtile, bridge_height))) {
celestar@5385: return CMD_ERROR;
celestar@1073: }
celestar@1073:
tron@3218: if (exec) {
tron@3242: SetRailType(tile, totype);
tron@3242: SetRailType(endtile, totype);
tron@3218: MarkTileDirtyByTile(tile);
tron@3218: MarkTileDirtyByTile(endtile);
KUDr@3900:
rubidium@7539: Track track = AxisToTrack(DiagDirToAxis(GetBridgeRampDirection(tile)));
rubidium@7539: TileIndexDiff delta = TileOffsByDiagDir(GetBridgeRampDirection(tile));
rubidium@7539:
tron@3977: YapfNotifyTrackLayoutChange(tile, track);
tron@4158: YapfNotifyTrackLayoutChange(endtile, track);
celestar@5385:
rubidium@7539: VehicleFromPos(tile, &tile, UpdateTrainPowerProc);
rubidium@7539: VehicleFromPos(endtile, &endtile, UpdateTrainPowerProc);
rubidium@7539:
celestar@5385: for (tile += delta; tile != endtile; tile += delta) {
celestar@5385: MarkTileDirtyByTile(tile); // TODO encapsulate this into a function
truelight@0: }
tron@3213: }
truelight@0:
maedhros@7730: return CommandCost((DistanceManhattan(tile, endtile) + 1) * (RailBuildCost(totype) / 2));
tron@4000: } else {
truelight@0: return CMD_ERROR;
tron@4000: }
truelight@0: }
truelight@0:
truelight@0:
rubidium@7728: /**
rubidium@7728: * Draws the pillars under high bridges.
rubidium@7728: *
rubidium@7728: * @param psid Image and palette of a bridge pillar.
rubidium@7728: * @param ti #TileInfo of current bridge-middle-tile.
rubidium@7728: * @param axis Orientation of bridge.
rubidium@7728: * @param type Bridge type.
rubidium@7728: * @param x Sprite X position of front pillar.
rubidium@7728: * @param y Sprite Y position of front pillar.
rubidium@7728: * @param z_bridge Absolute height of bridge bottom.
rubidium@7728: */
rubidium@7728: static void DrawBridgePillars(const PalSpriteID *psid, const TileInfo* ti, Axis axis, uint type, int x, int y, int z_bridge)
truelight@0: {
peter1138@5668: SpriteID image = psid->sprite;
truelight@0: if (image != 0) {
celestar@5385: bool drawfarpillar = !HASBIT(GetBridgeFlags(type), 0);
truelight@0:
rubidium@7728: /* "side" specifies the side the pillars stand on.
rubidium@7728: * The length of the pillars is then set to the height of the bridge over the corners of this edge.
rubidium@7728: *
rubidium@7728: * axis==AXIS_X axis==AXIS_Y
rubidium@7728: * side==false SW NW
rubidium@7728: * side==true NE SE
rubidium@7728: *
rubidium@7728: * I have no clue, why this was done this way.
rubidium@7728: */
rubidium@7728: bool side = HASBIT(image, 0);
celestar@2262:
rubidium@7728: /* "dir" means the edge the pillars stand on */
rubidium@7728: DiagDirection dir = AxisToDiagDir(axis);
rubidium@7728: if (side != (axis == AXIS_Y)) dir = ReverseDiagDir(dir);
truelight@0:
rubidium@7728: /* Determine ground height under pillars */
rubidium@7728: int front_height = ti->z;
rubidium@7728: int back_height = ti->z;
rubidium@7728: GetSlopeZOnEdge(ti->tileh, dir, &front_height, &back_height);
rubidium@7728:
rubidium@7728: /* x and y size of bounding-box of pillars */
rubidium@7728: int w = (axis == AXIS_X ? 16 : 2);
rubidium@7728: int h = (axis == AXIS_X ? 2 : 16);
rubidium@7728: /* sprite position of back facing pillar */
rubidium@7728: int x_back = x - (axis == AXIS_X ? 0 : 9);
rubidium@7728: int y_back = y - (axis == AXIS_X ? 9 : 0);
rubidium@7728:
rubidium@7728: for (int cur_z = z_bridge; cur_z >= front_height || cur_z >= back_height; cur_z -= TILE_HEIGHT) {
rubidium@7728: /* Draw front facing pillar */
rubidium@7728: if (cur_z >= front_height) {
belugas@7849: AddSortableSpriteToDraw(image, psid->pal, x, y, w, h, BB_HEIGHT_UNDER_BRIDGE - 5, cur_z, IsTransparencySet(TO_BRIDGES), 0, 0, -5);
tron@2952: }
Darkvater@3556:
rubidium@7728: /* Draw back facing pillar, but not the highest part directly under the bridge-floor */
rubidium@7728: if (drawfarpillar && cur_z >= back_height && cur_z < z_bridge - TILE_HEIGHT) {
belugas@7849: AddSortableSpriteToDraw(image, psid->pal, x_back, y_back, w, h, BB_HEIGHT_UNDER_BRIDGE - 5, cur_z, IsTransparencySet(TO_BRIDGES), 0, 0, -5);
tron@2952: }
truelight@0: }
truelight@0: }
truelight@0: }
truelight@0:
rubidium@7335: Foundation GetBridgeFoundation(Slope tileh, Axis axis)
tron@2639: {
rubidium@7335: if (HASBIT(BRIDGE_NO_FOUNDATION, tileh)) return FOUNDATION_NONE;
rubidium@7335: if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh)) return FlatteningFoundation(tileh);
rubidium@7335: return InclinedFoundation(axis);
truelight@0: }
truelight@0:
celestar@2536: /**
rubidium@6691: * Draws the trambits over an already drawn (lower end) of a bridge.
rubidium@6691: * @param x the x of the bridge
rubidium@6691: * @param y the y of the bridge
rubidium@6691: * @param z the z of the bridge
rubidium@6691: * @param offset number representing whether to level or sloped and the direction
rubidium@6691: * @param overlay do we want to still see the road?
rubidium@6691: */
rubidium@6691: static void DrawBridgeTramBits(int x, int y, byte z, int offset, bool overlay)
rubidium@6691: {
rubidium@6691: static const SpriteID tram_offsets[2][6] = { { 107, 108, 109, 110, 111, 112 }, { 4, 5, 15, 16, 17, 18 } };
rubidium@7249: static const SpriteID back_offsets[6] = { 95, 96, 99, 102, 100, 101 };
rubidium@6691: static const SpriteID front_offsets[6] = { 97, 98, 103, 106, 104, 105 };
rubidium@6691:
rubidium@7601: static const uint size_x[6] = { 1, 16, 16, 1, 16, 1 };
rubidium@7601: static const uint size_y[6] = { 16, 1, 1, 16, 1, 16 };
rubidium@7601: static const uint front_bb_offset_x[6] = { 15, 0, 0, 15, 0, 15 };
rubidium@7601: static const uint front_bb_offset_y[6] = { 0, 15, 15, 0, 15, 0 };
rubidium@6699:
rubidium@7601: /* The sprites under the vehicles are drawn as SpriteCombine. StartSpriteCombine() has already been called
rubidium@7601: * The bounding boxes here are the same as for bridge front/roof */
belugas@7849: AddSortableSpriteToDraw(SPR_TRAMWAY_BASE + tram_offsets[overlay][offset], PAL_NONE, x, y, size_x[offset], size_y[offset], 0x28, z, IsTransparencySet(TO_BRIDGES));
rubidium@6691:
belugas@7849: AddSortableSpriteToDraw(SPR_TRAMWAY_BASE + back_offsets[offset], PAL_NONE, x, y, size_x[offset], size_y[offset], 0x28, z, IsTransparencySet(TO_BUILDINGS));
rubidium@7601:
rubidium@7601: /* Start a new SpriteCombine for the front part */
rubidium@7601: EndSpriteCombine();
rubidium@7601: StartSpriteCombine();
rubidium@7601:
rubidium@6691: /* For sloped sprites the bounding box needs to be higher, as the pylons stop on a higher point */
belugas@7849: AddSortableSpriteToDraw(SPR_TRAMWAY_BASE + front_offsets[offset], PAL_NONE, x, y, size_x[offset] + front_bb_offset_x[offset], size_y[offset] + front_bb_offset_y[offset], 0x28, z, IsTransparencySet(TO_BUILDINGS), front_bb_offset_x[offset], front_bb_offset_y[offset]);
rubidium@6691: }
rubidium@6691:
rubidium@6691: /**
rubidium@4549: * Draws a tunnel of bridge tile.
rubidium@4549: * For tunnels, this is rather simple, as you only needa draw the entrance.
rubidium@4549: * Bridges are a bit more complex. base_offset is where the sprite selection comes into play
rubidium@4549: * and it works a bit like a bitmask. For bridge heads:
belugas@6422: * @param ti TileInfo of the structure to draw
rubidium@4549: *
- Bit 0: direction
rubidium@4549: * - Bit 1: northern or southern heads
rubidium@4549: * - Bit 2: Set if the bridge head is sloped
rubidium@4549: * - Bit 3 and more: Railtype Specific subset
rubidium@4549: *
rubidium@4549: * Please note that in this code, "roads" are treated as railtype 1, whilst the real railtypes are 0, 2 and 3
rubidium@4549: */
truelight@0: static void DrawTile_TunnelBridge(TileInfo *ti)
truelight@0: {
peter1138@5668: SpriteID image;
truelight@193:
tron@3184: if (IsTunnel(ti->tile)) {
rubidium@7601: /* Front view of tunnel bounding boxes:
rubidium@7601: *
rubidium@7601: * 122223 <- BB_Z_SEPARATOR
rubidium@7601: * 1 3
rubidium@7601: * 1 3 1,3 = empty helper BB
rubidium@7601: * 1 3 2 = SpriteCombine of tunnel-roof and catenary (tram & elrail)
rubidium@7601: *
rubidium@7601: */
rubidium@7601:
rubidium@7601: static const int _tunnel_BB[4][12] = {
rubidium@7601: /* tunnnel-roof | Z-separator | tram-catenary
rubidium@7601: * w h bb_x bb_y| x y w h |bb_x bb_y w h */
rubidium@7601: { 1, 0, -15, -14, 0, 15, 16, 1, 0, 1, 16, 15 }, // NE
rubidium@7601: { 0, 1, -14, -15, 15, 0, 1, 16, 1, 0, 15, 16 }, // SE
rubidium@7601: { 1, 0, -15, -14, 0, 15, 16, 1, 0, 1, 16, 15 }, // SW
rubidium@7601: { 0, 1, -14, -15, 15, 0, 1, 16, 1, 0, 15, 16 }, // NW
rubidium@7601: };
rubidium@7697: const int *BB_data = _tunnel_BB[GetTunnelDirection(ti->tile)];
rubidium@7601:
rubidium@7601: bool catenary = false;
rubidium@7601:
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:
rubidium@5410: if (HasTunnelSnowOrDesert(ti->tile)) image += 32;
truelight@0:
tron@3154: image += GetTunnelDirection(ti->tile) * 2;
peter1138@5668: DrawGroundSprite(image, PAL_NONE);
rubidium@6691: if (GetTunnelTransportType(ti->tile) == TRANSPORT_ROAD) {
rubidium@6691: DiagDirection dir = GetTunnelDirection(ti->tile);
rubidium@6691: RoadTypes rts = GetRoadTypes(ti->tile);
rubidium@6691:
rubidium@6691: if (HASBIT(rts, ROADTYPE_TRAM)) {
rubidium@6691: static const SpriteID tunnel_sprites[2][4] = { { 28, 78, 79, 27 }, { 5, 76, 77, 4 } };
rubidium@6691:
rubidium@6691: DrawGroundSprite(SPR_TRAMWAY_BASE + tunnel_sprites[rts - ROADTYPES_TRAM][dir], PAL_NONE);
rubidium@7601:
rubidium@7601: catenary = true;
rubidium@7601: StartSpriteCombine();
belugas@7849: AddSortableSpriteToDraw(SPR_TRAMWAY_TUNNEL_WIRES + dir, PAL_NONE, ti->x, ti->y, BB_data[10], BB_data[11], TILE_HEIGHT, ti->z, IsTransparencySet(TO_BUILDINGS), BB_data[8], BB_data[9], BB_Z_SEPARATOR);
rubidium@6691: }
rubidium@6691: } else if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) {
rubidium@6663: DrawCatenary(ti);
rubidium@7601:
rubidium@7601: catenary = true;
rubidium@7601: StartSpriteCombine();
rubidium@7601: DrawCatenaryOnTunnel(ti);
rubidium@6663: }
truelight@0:
rubidium@7601: AddSortableSpriteToDraw(image + 1, PAL_NONE, ti->x + TILE_SIZE - 1, ti->y + TILE_SIZE - 1, BB_data[0], BB_data[1], TILE_HEIGHT, ti->z, false, BB_data[2], BB_data[3], BB_Z_SEPARATOR);
rubidium@7601:
rubidium@7601: if (catenary) EndSpriteCombine();
rubidium@7601:
rubidium@7601: /* Add helper BB for sprite sorting, that separate the tunnel from things beside of it */
rubidium@7601: AddSortableSpriteToDraw(SPR_EMPTY_BOUNDING_BOX, PAL_NONE, ti->x , ti->y , BB_data[6], BB_data[7], TILE_HEIGHT, ti->z);
rubidium@7601: AddSortableSpriteToDraw(SPR_EMPTY_BOUNDING_BOX, PAL_NONE, ti->x + BB_data[4], ti->y + BB_data[5], BB_data[6], BB_data[7], TILE_HEIGHT, ti->z);
rubidium@7601:
celestar@5385: DrawBridgeMiddle(ti);
tron@3234: } else if (IsBridge(ti->tile)) { // XXX is this necessary?
peter1138@5668: const PalSpriteID *psid;
celestar@2536: int base_offset;
rubidium@5410: bool ice = HasBridgeSnowOrDesert(ti->tile);
truelight@0:
tron@3234: if (GetBridgeTransportType(ti->tile) == TRANSPORT_RAIL) {
celestar@5385: base_offset = GetRailTypeInfo(GetRailType(ti->tile))->bridge_offset;
belugas@6422: 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:
rubidium@7335: DrawFoundation(ti, GetBridgeFoundation(ti->tileh, DiagDirToAxis(GetBridgeRampDirection(ti->tile))));
tron@3977:
belugas@6422: /* HACK Wizardry to convert the bridge ramp direction into a sprite offset */
celestar@5385: base_offset += (6 - GetBridgeRampDirection(ti->tile)) % 4;
tron@3977:
celestar@5385: if (ti->tileh == SLOPE_FLAT) base_offset += 4; // sloped bridge head
tron@3977:
celestar@5385: /* Table number 6 always refers to the bridge heads for any bridge type */
peter1138@5668: psid = &GetBridgeSpriteTable(GetBridgeType(ti->tile), 6)[base_offset];
tron@3977:
celestar@5385: if (!ice) {
celestar@5385: DrawClearLandTile(ti, 3);
celestar@5385: } else {
peter1138@5668: DrawGroundSprite(SPR_FLAT_SNOWY_TILE + _tileh_to_sprite[ti->tileh], PAL_NONE);
tron@3977: }
celestar@5385:
belugas@6422: /* draw ramp */
peter1138@5668:
rubidium@7601: /* Draw Trambits as SpriteCombine */
rubidium@7601: if (GetBridgeTransportType(ti->tile) == TRANSPORT_ROAD) StartSpriteCombine();
rubidium@7601:
celestar@5385: /* HACK set the height of the BB of a sloped ramp to 1 so a vehicle on
celestar@5385: * it doesn't disappear behind it
celestar@5385: */
celestar@5385: AddSortableSpriteToDraw(
belugas@7849: psid->sprite, psid->pal, ti->x, ti->y, 16, 16, ti->tileh == SLOPE_FLAT ? 0 : 8, ti->z, IsTransparencySet(TO_BRIDGES)
celestar@5385: );
celestar@5385:
rubidium@6691: if (GetBridgeTransportType(ti->tile) == TRANSPORT_ROAD) {
rubidium@6691: RoadTypes rts = GetRoadTypes(ti->tile);
rubidium@6691:
rubidium@6691: if (HASBIT(rts, ROADTYPE_TRAM)) {
rubidium@6691: uint offset = GetBridgeRampDirection(ti->tile);
rubidium@6712: uint z = ti->z;
rubidium@6691: if (ti->tileh != SLOPE_FLAT) {
rubidium@6691: offset = (offset + 1) & 1;
rubidium@6712: z += TILE_HEIGHT;
rubidium@6691: } else {
rubidium@6691: offset += 2;
rubidium@6691: }
rubidium@7601: /* DrawBridgeTramBits() calls EndSpriteCombine() and StartSpriteCombine() */
rubidium@6712: DrawBridgeTramBits(ti->x, ti->y, z, offset, HASBIT(rts, ROADTYPE_ROAD));
rubidium@6691: }
rubidium@7601: EndSpriteCombine();
rubidium@6691: } else if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) {
rubidium@6691: DrawCatenary(ti);
rubidium@6691: }
rubidium@6691:
celestar@5385: DrawBridgeMiddle(ti);
rubidium@7043: } else {
rubidium@7043: NOT_REACHED();
celestar@3933: }
celestar@3933: }
celestar@3933:
celestar@5385:
celestar@5385: /** Compute bridge piece. Computes the bridge piece to display depending on the position inside the bridge.
celestar@5385: * bridges pieces sequence (middle parts)
celestar@5385: * bridge len 1: 0
celestar@5385: * bridge len 2: 0 1
celestar@5385: * bridge len 3: 0 4 1
celestar@5385: * bridge len 4: 0 2 3 1
celestar@5385: * bridge len 5: 0 2 5 3 1
celestar@5385: * bridge len 6: 0 2 3 2 3 1
celestar@5385: * bridge len 7: 0 2 3 4 2 3 1
celestar@5385: * #0 - always as first, #1 - always as last (if len>1)
celestar@5385: * #2,#3 are to pair in order
celestar@5385: * for odd bridges: #5 is going in the bridge middle if on even position, #4 on odd (counting from 0)
celestar@5385: * @param north Northernmost tile of bridge
celestar@5385: * @param south Southernmost tile of bridge
celestar@5385: * @return Index of bridge piece
celestar@5385: */
celestar@5385: static uint CalcBridgePiece(uint north, uint south)
celestar@5385: {
celestar@5385: if (north == 1) {
celestar@5385: return 0;
celestar@5385: } else if (south == 1) {
celestar@5385: return 1;
celestar@5385: } else if (north < south) {
celestar@5385: return north & 1 ? 3 : 2;
celestar@5385: } else if (north > south) {
celestar@5385: return south & 1 ? 2 : 3;
celestar@5385: } else {
celestar@5385: return north & 1 ? 5 : 4;
celestar@5385: }
celestar@5385: }
celestar@5385:
celestar@5385:
celestar@5385: void DrawBridgeMiddle(const TileInfo* ti)
celestar@5385: {
rubidium@7601: /* Sectional view of bridge bounding boxes:
rubidium@7601: *
rubidium@7601: * 1 2 1,2 = SpriteCombine of Bridge front/(back&floor) and TramCatenary
rubidium@7601: * 1 2 3 = empty helper BB
rubidium@7601: * 1 7 2 4,5 = pillars under higher bridges
rubidium@7601: * 1 6 88888 6 2 6 = elrail-pylons
rubidium@7601: * 1 6 88888 6 2 7 = elrail-wire
rubidium@7601: * 1 6 88888 6 2 <- TILE_HEIGHT 8 = rail-vehicle on bridge
rubidium@7601: * 3333333333333 <- BB_Z_SEPARATOR
rubidium@7601: * <- unused
rubidium@7601: * 4 5 <- BB_HEIGHT_UNDER_BRIDGE
rubidium@7601: * 4 5
rubidium@7601: * 4 5
rubidium@7601: *
rubidium@7601: */
rubidium@7601:
rubidium@7601: /* Z position of the bridge sprites relative to bridge height (downwards) */
rubidium@7601: static const int BRIDGE_Z_START = 3;
rubidium@7601:
peter1138@5668: const PalSpriteID* psid;
celestar@5385: uint base_offset;
celestar@5385: TileIndex rampnorth;
celestar@5385: TileIndex rampsouth;
celestar@5385: Axis axis;
celestar@5385: uint piece;
celestar@5385: uint type;
celestar@5385: int x;
celestar@5385: int y;
celestar@5385: uint z;
celestar@5385:
celestar@5385: if (!IsBridgeAbove(ti->tile)) return;
celestar@5385:
celestar@5385: rampnorth = GetNorthernBridgeEnd(ti->tile);
celestar@5385: rampsouth = GetSouthernBridgeEnd(ti->tile);
celestar@5385:
celestar@5385: axis = GetBridgeAxis(ti->tile);
celestar@5385: piece = CalcBridgePiece(
celestar@5385: DistanceManhattan(ti->tile, rampnorth),
celestar@5385: DistanceManhattan(ti->tile, rampsouth)
celestar@5385: );
celestar@5385: type = GetBridgeType(rampsouth);
celestar@5385:
celestar@5385: if (GetBridgeTransportType(rampsouth) == TRANSPORT_RAIL) {
celestar@5385: base_offset = GetRailTypeInfo(GetRailType(rampsouth))->bridge_offset;
celestar@5385: } else {
celestar@5385: base_offset = 8;
celestar@5385: }
celestar@5385:
peter1138@5668: psid = base_offset + GetBridgeSpriteTable(type, piece);
peter1138@5668: if (axis != AXIS_X) psid += 4;
celestar@5385:
celestar@5385: x = ti->x;
celestar@5385: y = ti->y;
rubidium@6691: uint bridge_z = GetBridgeHeight(rampsouth);
rubidium@7601: z = bridge_z - BRIDGE_Z_START;
celestar@5385:
rubidium@7601: /* Add a bounding box, that separates the bridge from things below it. */
rubidium@7601: AddSortableSpriteToDraw(SPR_EMPTY_BOUNDING_BOX, PAL_NONE, x, y, 16, 16, 1, bridge_z - TILE_HEIGHT + BB_Z_SEPARATOR);
rubidium@7601:
rubidium@7601: /* Draw Trambits as SpriteCombine */
rubidium@7601: if (GetBridgeTransportType(rampsouth) == TRANSPORT_ROAD) StartSpriteCombine();
rubidium@7601:
rubidium@7601: /* Draw floor and far part of bridge*/
rubidium@7333: if (axis == AXIS_X) {
belugas@7849: AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 16, 1, 0x28, z, IsTransparencySet(TO_BRIDGES), 0, 0, BRIDGE_Z_START);
celestar@5385: } else {
belugas@7849: AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 1, 16, 0x28, z, IsTransparencySet(TO_BRIDGES), 0, 0, BRIDGE_Z_START);
peter1138@5668: }
peter1138@5668:
peter1138@5668: psid++;
celestar@5385:
rubidium@6691: if (GetBridgeTransportType(rampsouth) == TRANSPORT_ROAD) {
rubidium@6691: RoadTypes rts = GetRoadTypes(rampsouth);
rubidium@6691:
rubidium@6691: if (HASBIT(rts, ROADTYPE_TRAM)) {
rubidium@7601: /* DrawBridgeTramBits() calls EndSpriteCombine() and StartSpriteCombine() */
rubidium@6691: DrawBridgeTramBits(x, y, bridge_z, axis ^ 1, HASBIT(rts, ROADTYPE_ROAD));
rubidium@7601: } else {
rubidium@7601: EndSpriteCombine();
rubidium@7601: StartSpriteCombine();
rubidium@6691: }
rubidium@6691: } else if (GetRailType(rampsouth) == RAILTYPE_ELECTRIC) {
rubidium@6687: DrawCatenary(ti);
rubidium@6687: }
rubidium@6687:
belugas@6422: /* draw roof, the component of the bridge which is logically between the vehicle and the camera */
celestar@5385: if (axis == AXIS_X) {
celestar@5385: y += 12;
belugas@7849: if (psid->sprite & SPRITE_MASK) AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 16, 4, 0x28, z, IsTransparencySet(TO_BRIDGES), 0, 3, BRIDGE_Z_START);
celestar@5385: } else {
celestar@5385: x += 12;
belugas@7849: if (psid->sprite & SPRITE_MASK) AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 4, 16, 0x28, z, IsTransparencySet(TO_BRIDGES), 3, 0, BRIDGE_Z_START);
celestar@5385: }
celestar@5385:
rubidium@7601: /* Draw TramFront as SpriteCombine */
rubidium@7601: if (GetBridgeTransportType(rampsouth) == TRANSPORT_ROAD) EndSpriteCombine();
rubidium@7601:
peter1138@5668: psid++;
celestar@5385: if (ti->z + 5 == z) {
belugas@6422: /* draw poles below for small bridges */
peter1138@5668: if (psid->sprite != 0) {
rubidium@7333: SpriteID image = psid->sprite;
rubidium@7333: SpriteID pal = psid->pal;
belugas@7849: if (IsTransparencySet(TO_BRIDGES)) {
peter1138@5668: SETBIT(image, PALETTE_MODIFIER_TRANSPARENT);
peter1138@5668: pal = PALETTE_TO_TRANSPARENT;
peter1138@5668: }
peter1138@5668:
peter1138@5668: DrawGroundSpriteAt(image, pal, x, y, z);
celestar@5385: }
celestar@5385: } else if (_patches.bridge_pillars) {
belugas@6422: /* draw pillars below for high bridges */
peter1138@5668: DrawBridgePillars(psid, ti, axis, type, x, y, z);
celestar@5385: }
celestar@5385: }
celestar@5385:
celestar@5385:
tron@4231: static uint GetSlopeZ_TunnelBridge(TileIndex tile, uint x, uint y)
tron@2537: {
tron@4231: uint z;
tron@4231: Slope tileh = GetTileSlope(tile, &z);
tron@4231:
tron@4231: x &= 0xF;
tron@4231: y &= 0xF;
truelight@0:
tron@3517: if (IsTunnel(tile)) {
tron@3517: uint pos = (DiagDirToAxis(GetTunnelDirection(tile)) == AXIS_X ? y : x);
truelight@0:
belugas@6422: /* In the tunnel entrance? */
tron@3517: if (5 <= pos && pos <= 10) return z;
tron@3517: } else {
celestar@5385: DiagDirection dir = GetBridgeRampDirection(tile);
celestar@5385: uint pos = (DiagDirToAxis(dir) == AXIS_X ? y : x);
tron@3977:
rubidium@7335: z += ApplyFoundationToSlope(GetBridgeFoundation(tileh, DiagDirToAxis(dir)), &tileh);
rubidium@7335:
belugas@6422: /* On the bridge ramp? */
celestar@5385: if (5 <= pos && pos <= 10) {
celestar@5385: uint delta;
tron@4246:
celestar@5385: if (HASBIT(BRIDGE_HORZ_RAMP, tileh)) return z + TILE_HEIGHT;
tron@3517:
celestar@5385: switch (dir) {
celestar@5385: default: NOT_REACHED();
celestar@5385: case DIAGDIR_NE: delta = (TILE_SIZE - 1 - x) / 2; break;
celestar@5385: case DIAGDIR_SE: delta = y / 2; break;
celestar@5385: case DIAGDIR_SW: delta = x / 2; break;
celestar@5385: case DIAGDIR_NW: delta = (TILE_SIZE - 1 - y) / 2; break;
celestar@5385: }
celestar@5385: return z + 1 + delta;
truelight@0: }
truelight@0: }
truelight@0:
tron@3517: return z + GetPartialZ(x, y, tileh);
truelight@0: }
truelight@0:
rubidium@7335: static Foundation GetFoundation_TunnelBridge(TileIndex tile, Slope tileh)
tron@2639: {
rubidium@7335: return IsTunnel(tile) ? FOUNDATION_NONE : GetBridgeFoundation(tileh, DiagDirToAxis(GetBridgeRampDirection(tile)));
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,
rubidium@4344: 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,
rubidium@4344: 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: {
rubidium@5410: bool snow_or_desert = IsTunnelTile(tile) ? HasTunnelSnowOrDesert(tile) : HasBridgeSnowOrDesert(tile);
tron@3017: switch (_opt.landscape) {
belugas@6357: case LT_ARCTIC:
maedhros@6343: if (snow_or_desert != (GetTileZ(tile) > GetSnowLine())) {
rubidium@5410: if (IsTunnelTile(tile)) {
rubidium@5410: SetTunnelSnowOrDesert(tile, !snow_or_desert);
rubidium@5410: } else {
rubidium@5410: SetBridgeSnowOrDesert(tile, !snow_or_desert);
rubidium@5410: }
tron@4160: MarkTileDirtyByTile(tile);
tron@3017: }
tron@3017: break;
tron@3017:
belugas@6357: case LT_TROPIC:
rubidium@5410: if (GetTropicZone(tile) == TROPICZONE_DESERT && !snow_or_desert) {
rubidium@5410: if (IsTunnelTile(tile)) {
rubidium@5410: SetTunnelSnowOrDesert(tile, true);
rubidium@5410: } else {
rubidium@5410: SetBridgeSnowOrDesert(tile, true);
rubidium@5410: }
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:
rubidium@6683: static uint32 GetTileTrackStatus_TunnelBridge(TileIndex tile, TransportType mode, uint sub_mode)
truelight@0: {
tron@3184: if (IsTunnel(tile)) {
tron@3996: if (GetTunnelTransportType(tile) != mode) return 0;
rubidium@6683: if (GetTunnelTransportType(tile) == TRANSPORT_ROAD && (GetRoadTypes(tile) & sub_mode) == 0) return 0;
tron@4158: return AxisToTrackBits(DiagDirToAxis(GetTunnelDirection(tile))) * 0x101;
tron@3996: } else {
celestar@5385: if (GetBridgeTransportType(tile) != mode) return 0;
rubidium@6683: if (GetBridgeTransportType(tile) == TRANSPORT_ROAD && (GetRoadTypes(tile) & sub_mode) == 0) return 0;
celestar@5385: return AxisToTrackBits(DiagDirToAxis(GetBridgeRampDirection(tile))) * 0x101;
truelight@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:
Darkvater@4848: if (new_player != PLAYER_SPECTATOR) {
tron@1902: SetTileOwner(tile, new_player);
rubidium@4434: } else {
rubidium@6734: if (CmdFailed(DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR))) {
rubidium@6734: /* When clearing the bridge/tunnel failed there are still vehicles on/in
rubidium@6734: * the bridge/tunnel. As all *our* vehicles are already removed, they
rubidium@6734: * must be of another owner. Therefor this must be a road bridge/tunnel.
rubidium@6734: * In that case we can safely reassign the ownership to OWNER_NONE. */
rubidium@6734: assert((IsTunnel(tile) ? GetTunnelTransportType(tile) : GetBridgeTransportType(tile)) == TRANSPORT_ROAD);
rubidium@6734: SetTileOwner(tile, OWNER_NONE);
rubidium@6734: }
truelight@0: }
truelight@0: }
truelight@0:
truelight@0:
rubidium@4344: static const byte _tunnel_fractcoord_1[4] = {0x8E, 0x18, 0x81, 0xE8};
rubidium@4344: static const byte _tunnel_fractcoord_2[4] = {0x81, 0x98, 0x87, 0x38};
rubidium@4344: static const byte _tunnel_fractcoord_3[4] = {0x82, 0x88, 0x86, 0x48};
rubidium@4344: static const byte _exit_tunnel_track[4] = {1, 2, 1, 2};
truelight@0:
rubidium@6000: /** Get the trackdir of the exit of a tunnel */
rubidium@6000: static const Trackdir _road_exit_tunnel_state[DIAGDIR_END] = {
rubidium@6000: TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
rubidium@6000: };
truelight@0: static const byte _road_exit_tunnel_frame[4] = {2, 7, 9, 4};
truelight@0:
rubidium@4344: static const byte _tunnel_fractcoord_4[4] = {0x52, 0x85, 0x98, 0x29};
rubidium@4344: static const byte _tunnel_fractcoord_5[4] = {0x92, 0x89, 0x58, 0x25};
rubidium@4344: static const byte _tunnel_fractcoord_6[4] = {0x92, 0x89, 0x56, 0x45};
rubidium@4344: 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@5385: int z = GetSlopeZ(x, y) - v->z_pos;
celestar@5385:
rubidium@5991: if (myabs(z) > 2) return VETSB_CANNOT_ENTER;
celestar@5385:
tron@3184: if (IsTunnel(tile)) {
tron@2989: byte fc;
tron@3153: DiagDirection dir;
tron@3153: DiagDirection vdir;
tron@2989:
rubidium@6259: 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:
rubidium@5993: if (v->u.rail.track != TRACK_BIT_WORMHOLE && dir == vdir) {
bjarni@2676: if (IsFrontEngine(v) && fc == _tunnel_fractcoord_1[dir]) {
Darkvater@6213: if (!PlayVehicleSound(v, VSE_TUNNEL) && RailVehInfo(v->engine_type)->engclass == 0) {
tron@541: SndPlayVehicleFx(SND_05_TRAIN_THROUGH_TUNNEL, v);
peter1138@4656: }
rubidium@5991: return VETSB_CONTINUE;
truelight@0: }
truelight@0: if (fc == _tunnel_fractcoord_2[dir]) {
truelight@0: v->tile = tile;
rubidium@5587: v->u.rail.track = TRACK_BIT_WORMHOLE;
truelight@0: v->vehstatus |= VS_HIDDEN;
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
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;
rubidium@5587: v->u.rail.track = (TrackBits)_exit_tunnel_track[dir];
matthijs@1330: assert(v->u.rail.track);
truelight@0: v->vehstatus &= ~VS_HIDDEN;
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
truelight@0: }
rubidium@6259: } 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:
belugas@6422: /* Enter tunnel? */
rubidium@6000: if (v->u.road.state != RVSB_WORMHOLE && dir == vdir) {
truelight@0: if (fc == _tunnel_fractcoord_4[dir] ||
truelight@0: fc == _tunnel_fractcoord_5[dir]) {
truelight@0: v->tile = tile;
rubidium@6000: v->u.road.state = RVSB_WORMHOLE;
truelight@193: v->vehstatus |= VS_HIDDEN;
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
truelight@0: } else {
rubidium@5991: return VETSB_CONTINUE;
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;
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
truelight@0: }
truelight@0: }
tron@3234: } else if (IsBridge(tile)) { // XXX is this necessary?
celestar@5385: DiagDirection dir;
celestar@5385:
rubidium@7548: if (v->IsPrimaryVehicle()) {
celestar@5385: /* modify speed of vehicle */
celestar@5385: uint16 spd = _bridge[GetBridgeType(tile)].speed;
celestar@5385:
rubidium@6259: if (v->type == VEH_ROAD) spd *= 2;
celestar@5385: if (v->cur_speed > spd) v->cur_speed = spd;
celestar@5385: }
celestar@5385:
celestar@5385: dir = GetBridgeRampDirection(tile);
celestar@5385: if (DirToDiagDir(v->direction) == dir) {
celestar@5385: switch (dir) {
celestar@5385: default: NOT_REACHED();
rubidium@5991: case DIAGDIR_NE: if ((x & 0xF) != 0) return VETSB_CONTINUE; break;
rubidium@5991: case DIAGDIR_SE: if ((y & 0xF) != TILE_SIZE - 1) return VETSB_CONTINUE; break;
rubidium@5991: case DIAGDIR_SW: if ((x & 0xF) != TILE_SIZE - 1) return VETSB_CONTINUE; break;
rubidium@5991: case DIAGDIR_NW: if ((y & 0xF) != 0) return VETSB_CONTINUE; break;
truelight@0: }
rubidium@6259: if (v->type == VEH_TRAIN) {
rubidium@5587: v->u.rail.track = TRACK_BIT_WORMHOLE;
celestar@5385: CLRBIT(v->u.rail.flags, VRF_GOINGUP);
celestar@5385: CLRBIT(v->u.rail.flags, VRF_GOINGDOWN);
celestar@5385: } else {
rubidium@6000: v->u.road.state = RVSB_WORMHOLE;
celestar@5385: }
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
celestar@5385: } else if (DirToDiagDir(v->direction) == ReverseDiagDir(dir)) {
celestar@5385: v->tile = tile;
rubidium@6259: if (v->type == VEH_TRAIN) {
rubidium@5993: if (v->u.rail.track == TRACK_BIT_WORMHOLE) {
rubidium@5587: v->u.rail.track = (DiagDirToAxis(dir) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y);
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
celestar@5385: }
celestar@5385: } else {
rubidium@6000: if (v->u.road.state == RVSB_WORMHOLE) {
celestar@5385: v->u.road.state = _road_exit_tunnel_state[dir];
celestar@5385: v->u.road.frame = 0;
rubidium@5991: return VETSB_ENTERED_WORMHOLE;
celestar@5385: }
celestar@5385: }
rubidium@5991: return VETSB_CONTINUE;
truelight@0: }
truelight@0: }
rubidium@5991: return VETSB_CONTINUE;
truelight@0: }
truelight@0:
rubidium@7494: static CommandCost TerraformTile_TunnelBridge(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new)
rubidium@7494: {
rubidium@7582: if (_patches.build_on_slopes && AutoslopeEnabled() && IsBridge(tile)) {
rubidium@7582: DiagDirection direction = GetBridgeRampDirection(tile);
rubidium@7582: Axis axis = DiagDirToAxis(direction);
rubidium@7582: CommandCost res;
rubidium@7582:
rubidium@7582: /* Check if new slope is valid for bridges in general (so we can savely call GetBridgeFoundation()) */
rubidium@7582: if ((direction == DIAGDIR_NW) || (direction == DIAGDIR_NE)) {
rubidium@7582: res = CheckBridgeSlopeSouth(axis, tileh_new);
rubidium@7582: } else {
rubidium@7582: res = CheckBridgeSlopeNorth(axis, tileh_new);
rubidium@7582: }
rubidium@7582:
rubidium@7582: if (!CmdFailed(res)) {
rubidium@7582: uint z_old;
rubidium@7582: Slope tileh_old = GetTileSlope(tile, &z_old);
rubidium@7582:
rubidium@7582: z_old += ApplyFoundationToSlope(GetBridgeFoundation(tileh_old, axis), &tileh_old);
rubidium@7582: z_new += ApplyFoundationToSlope(GetBridgeFoundation(tileh_new, axis), &tileh_new);
rubidium@7582:
rubidium@7582: /* Surface slope remains unchanged? */
rubidium@7582: if ((z_old == z_new) && (tileh_old == tileh_new)) return _price.terraform;
rubidium@7582: }
rubidium@7582: }
rubidium@7582:
rubidium@7494: return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
rubidium@7494: }
rubidium@7494:
rubidium@5587: extern const TileTypeProcs _tile_type_tunnelbridge_procs = {
rubidium@4344: DrawTile_TunnelBridge, /* draw_tile_proc */
rubidium@4344: GetSlopeZ_TunnelBridge, /* get_slope_z_proc */
rubidium@4344: ClearTile_TunnelBridge, /* clear_tile_proc */
rubidium@4344: GetAcceptedCargo_TunnelBridge, /* get_accepted_cargo_proc */
rubidium@4344: GetTileDesc_TunnelBridge, /* get_tile_desc_proc */
rubidium@4344: GetTileTrackStatus_TunnelBridge, /* get_tile_track_status_proc */
rubidium@4344: ClickTile_TunnelBridge, /* click_tile_proc */
rubidium@4344: AnimateTile_TunnelBridge, /* animate_tile_proc */
rubidium@4344: TileLoop_TunnelBridge, /* tile_loop_clear */
rubidium@4344: ChangeTileOwner_TunnelBridge, /* change_tile_owner_clear */
rubidium@4344: NULL, /* get_produced_cargo_proc */
rubidium@4344: VehicleEnter_TunnelBridge, /* vehicle_enter_tile_proc */
rubidium@7335: GetFoundation_TunnelBridge, /* get_foundation_proc */
rubidium@7494: TerraformTile_TunnelBridge, /* terraform_tile_proc */
truelight@0: };