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author | peter1138 <peter1138@openttd.org> | 2006-11-08 10:09:46 +0000 |
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committer | peter1138 <peter1138@openttd.org> | 2006-11-08 10:09:46 +0000 |
commit | c73578aae6cd14c04a5bd19ab1b1016f3e6bcda9 (patch) | |
tree | 8d410de55f4ee6720909a6d9db001496d2ca3b47 | |
parent | 2ebd07ecfca2a31c6a0f59bb395ed81745df76ed (diff) | |
download | openttd-c73578aae6cd14c04a5bd19ab1b1016f3e6bcda9.tar.xz |
(svn r7112) -Codechange (r7106): Improve the test for determining if the rail type should be converted
-rw-r--r-- | rail_cmd.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/rail_cmd.c b/rail_cmd.c index 395990a71..2877389d5 100644 --- a/rail_cmd.c +++ b/rail_cmd.c @@ -285,10 +285,9 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (CmdFailed(ret)) return ret; cost += ret; - /* XXX Assume a 'higher' railtype has preference. This means we - * will convert from normal rail to electrified rail, but not - * the other way around. */ - if (GetRailType(tile) < railtype) { + /* If the rail types don't match, try to convert only if 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 += ret; |