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@ -23,6 +23,18 @@
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void RoadVehEnterDepot(Vehicle *v);
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static uint CountRoadBits(RoadBits r)
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{
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uint count = 0;
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if (r & ROAD_NW) ++count;
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if (r & ROAD_SW) ++count;
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if (r & ROAD_SE) ++count;
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if (r & ROAD_NE) ++count;
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return count;
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}
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static bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, bool* edge_road)
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{
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RoadBits present;
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@ -85,7 +97,6 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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// cost for removing inner/edge -roads
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static const uint16 road_remove_cost[2] = {50, 18};
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int32 cost;
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TileIndex tile;
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PlayerID owner;
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Town *t;
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@ -130,14 +141,12 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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return CMD_ERROR;
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}
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cost = _price.remove_road * 2;
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if (flags & DC_EXEC) {
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ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM);
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SetClearUnderBridge(tile);
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MarkTileDirtyByTile(tile);
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}
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return cost;
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return _price.remove_road * 2;
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case MP_STREET:
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if (!EnsureNoVehicle(tile)) return CMD_ERROR;
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@ -161,13 +170,6 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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c &= present;
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if (c == 0) return CMD_ERROR;
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// calculate the cost
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cost = 0;
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if (c & ROAD_NW) cost += _price.remove_road;
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if (c & ROAD_SW) cost += _price.remove_road;
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if (c & ROAD_SE) cost += _price.remove_road;
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if (c & ROAD_NE) cost += _price.remove_road;
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if (flags & DC_EXEC) {
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ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM);
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@ -179,7 +181,7 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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MarkTileDirtyByTile(tile);
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}
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}
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return cost;
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return CountRoadBits(c) * _price.remove_road;
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}
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case ROAD_CROSSING: {
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@ -187,14 +189,13 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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return CMD_ERROR;
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}
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cost = _price.remove_road * 2;
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if (flags & DC_EXEC) {
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ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM);
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MakeRailNormal(tile, GetTileOwner(tile), GetCrossingRailBits(tile), GetRailTypeCrossing(tile));
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MarkTileDirtyByTile(tile);
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}
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return cost;
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return _price.remove_road * 2;
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}
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default:
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@ -242,28 +243,29 @@ static const RoadBits _valid_tileh_slopes_road[][15] = {
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static uint32 CheckRoadSlope(int tileh, RoadBits* pieces, RoadBits existing)
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{
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if (!IsSteepTileh(tileh)) {
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RoadBits road_bits = *pieces | existing;
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// no special foundation
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if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) {
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// force that all bits are set when we have slopes
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if (tileh != 0) *pieces |= _valid_tileh_slopes_road[0][tileh];
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return 0; // no extra cost
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}
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RoadBits road_bits;
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// foundation is used. Whole tile is leveled up
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if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) {
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return existing ? 0 : _price.terraform;
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}
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if (IsSteepTileh(tileh)) return CMD_ERROR;
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road_bits = *pieces | existing;
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// partly leveled up tile, only if there's no road on that tile
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if (existing == 0 && (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8)) {
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// force full pieces.
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*pieces |= (*pieces & 0xC) >> 2;
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*pieces |= (*pieces & 0x3) << 2;
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return (*pieces == ROAD_X || *pieces == ROAD_Y) ? _price.terraform : CMD_ERROR;
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}
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// no special foundation
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if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) {
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// force that all bits are set when we have slopes
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if (tileh != 0) *pieces |= _valid_tileh_slopes_road[0][tileh];
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return 0; // no extra cost
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}
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// foundation is used. Whole tile is leveled up
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if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) {
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return existing ? 0 : _price.terraform;
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}
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// partly leveled up tile, only if there's no road on that tile
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if (existing == 0 && (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8)) {
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// force full pieces.
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*pieces |= (*pieces & 0xC) >> 2;
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*pieces |= (*pieces & 0x3) << 2;
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if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform;
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}
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return CMD_ERROR;
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}
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@ -276,7 +278,8 @@ static uint32 CheckRoadSlope(int tileh, RoadBits* pieces, RoadBits existing)
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int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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{
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TileInfo ti;
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int32 cost;
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int32 cost = 0;
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int32 ret;
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RoadBits existing = 0;
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RoadBits pieces;
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TileIndex tile;
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@ -291,9 +294,6 @@ int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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FindLandscapeHeight(&ti, x, y);
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tile = ti.tile;
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// allow building road under bridge
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if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile)) return CMD_ERROR;
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switch (ti.type) {
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case MP_STREET:
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switch (GetRoadType(tile)) {
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@ -302,6 +302,7 @@ int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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if ((existing & pieces) == pieces) {
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return_cmd_error(STR_1007_ALREADY_BUILT);
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}
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if (!EnsureNoVehicle(tile)) return CMD_ERROR;
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break;
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case ROAD_CROSSING:
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@ -345,6 +346,8 @@ int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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default: goto do_clear;
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}
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if (!EnsureNoVehicle(tile)) return CMD_ERROR;
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if (flags & DC_EXEC) {
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MakeRoadCrossing(tile, _current_player, GetTileOwner(tile), roaddir, GetRailType(tile), p2);
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MarkTileDirtyByTile(tile);
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@ -377,37 +380,32 @@ int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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}
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}
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/* all checked, can build road now! */
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cost = _price.build_road * 2;
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if (flags & DC_EXEC) {
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SetRoadUnderBridge(tile, _current_player);
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MarkTileDirtyByTile(tile);
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}
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return cost;
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return _price.build_road * 2;
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default:
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do_clear:;
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if (CmdFailed(DoCommandByTile(tile, 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR)))
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return CMD_ERROR;
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ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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if (CmdFailed(ret)) return ret;
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cost += ret;
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}
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cost = CheckRoadSlope(ti.tileh, &pieces, existing);
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if (CmdFailed(cost)) return_cmd_error(STR_1800_LAND_SLOPED_IN_WRONG_DIRECTION);
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if (cost && (!_patches.build_on_slopes || _is_old_ai_player))
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ret = CheckRoadSlope(ti.tileh, &pieces, existing);
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if (CmdFailed(ret)) return_cmd_error(STR_1800_LAND_SLOPED_IN_WRONG_DIRECTION);
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if (ret != 0 && (!_patches.build_on_slopes || _is_old_ai_player)) {
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return CMD_ERROR;
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}
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cost += ret;
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if (ti.type == MP_STREET && GetRoadType(tile) == ROAD_NORMAL) {
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if (ti.type == MP_STREET) {
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// Don't put the pieces that already exist
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pieces &= ComplementRoadBits(existing);
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} else {
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cost += DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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}
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if (pieces & ROAD_NW) cost += _price.build_road;
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if (pieces & ROAD_SW) cost += _price.build_road;
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if (pieces & ROAD_SE) cost += _price.build_road;
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if (pieces & ROAD_NE) cost += _price.build_road;
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cost += CountRoadBits(pieces) * _price.build_road;
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if (flags & DC_EXEC) {
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if (ti.type == MP_STREET) {
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