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(svn r14165) -Codechange: When over-building rail with a different type, don't convert the rail if the engines of the new type are powered on the existing type.

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peter1138 2008-08-25 10:58:24 +00:00
parent 411c65e755
commit c76455be02
1 changed files with 9 additions and 4 deletions
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13
src/rail_cmd.cpp
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@ -355,11 +355,16 @@ CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p
cost.AddCost(ret);
/* If the rail types don't match, try to convert only if engines of
* the new rail type are not powered on the present rail type and engines of
* the present rail type are powered on the new rail type. */
if (GetRailType(tile) != railtype && HasPowerOnRail(GetRailType(tile), railtype)) {
ret = DoCommand(tile, tile, railtype, flags, CMD_CONVERT_RAIL);
if (CmdFailed(ret)) return ret;
cost.AddCost(ret);
if (GetRailType(tile) != railtype && !HasPowerOnRail(railtype, GetRailType(tile))) {
if (HasPowerOnRail(GetRailType(tile), railtype)) {
ret = DoCommand(tile, tile, railtype, flags, CMD_CONVERT_RAIL);
if (CmdFailed(ret)) return ret;
cost.AddCost(ret);
} else {
return CMD_ERROR;
}
}
if (flags & DC_EXEC) {