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@@ -236,43 +236,45 @@ int32 CmdBuildCanal(int x, int y, uint32
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BEGIN_TILE_LOOP(tile, size_x, size_y, TileXY(sx, sy)) {
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if (GetTileSlope(tile, NULL) != 0) return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
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// can't make water of water!
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if (IsTileType(tile, MP_WATER)) {
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_error_message = STR_1007_ALREADY_BUILT;
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} else {
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/* is middle piece of a bridge? */
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if (IsTileType(tile, MP_TUNNELBRIDGE) && _m[tile].m5 & 0x40) { /* build under bridge */
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if (_m[tile].m5 & 0x20) // transport route under bridge
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return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);
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// can't make water of water!
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if (IsTileType(tile, MP_WATER)) continue;
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if (_m[tile].m5 & 0x18) { // already water under bridge
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return_cmd_error(STR_1007_ALREADY_BUILT);
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}
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/* is middle piece of a bridge? */
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if (IsTileType(tile, MP_TUNNELBRIDGE) && _m[tile].m5 & 0x40) { /* build under bridge */
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if (_m[tile].m5 & 0x20) // transport route under bridge
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return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);
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if (_m[tile].m5 & 0x18) { // already water under bridge
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return_cmd_error(STR_1007_ALREADY_BUILT);
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}
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if (flags & DC_EXEC) {
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// change owner to OWNER_WATER and set land under bridge bit to water
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ModifyTile(tile, MP_MAP5 | MP_MAPOWNER, OWNER_WATER, _m[tile].m5 | 0x08);
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}
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} else {
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/* no bridge, try to clear it. */
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int32 ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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if (CmdFailed(ret)) return CMD_ERROR;
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cost += ret;
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if (flags & DC_EXEC) {
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// change owner to OWNER_WATER and set land under bridge bit to water
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ModifyTile(tile, MP_MAP5 | MP_MAPOWNER, OWNER_WATER, _m[tile].m5 | 0x08);
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}
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} else {
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/* no bridge, try to clear it. */
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int32 ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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if (flags & DC_EXEC) {
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MakeWater(tile);
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MarkTileDirtyByTile(tile);
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}
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}
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if (CmdFailed(ret)) return ret;
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cost += ret;
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if (flags & DC_EXEC) MarkTilesAroundDirty(tile);
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if (flags & DC_EXEC) {
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MakeWater(tile);
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MarkTileDirtyByTile(tile);
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}
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}
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cost += _price.clear_water;
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}
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if (flags & DC_EXEC) MarkTilesAroundDirty(tile);
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cost += _price.clear_water;
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} END_TILE_LOOP(tile, size_x, size_y, 0);
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return (cost == 0) ? CMD_ERROR : cost;
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if (cost == 0) {
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return_cmd_error(STR_1007_ALREADY_BUILT);
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} else {
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return cost;
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}
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}
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static int32 ClearTile_Water(TileIndex tile, byte flags)
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