(svn r7106) -Feature: Allow over-building of compatible railtypes, i.e. normal and

electrified rail. If building electrified rail, normal rail is upgraded 
for you (for the normal cost).
This commit is contained in:
peter1138 2006-11-07 22:34:59 +00:00
parent 0b733ac28a
commit f03125c656

View File

@ -273,7 +273,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
return CMD_ERROR; return CMD_ERROR;
} }
if (!IsTileOwner(tile, _current_player) || if (!IsTileOwner(tile, _current_player) ||
GetRailType(tile) != p1) { !IsCompatibleRail(GetRailType(tile), p1)) {
// Get detailed error message // Get detailed error message
return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
} }
@ -282,6 +282,15 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (CmdFailed(ret)) return ret; if (CmdFailed(ret)) return ret;
cost += 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) < p1) {
ret = DoCommand(tile, tile, p1, flags, CMD_CONVERT_RAIL);
if (CmdFailed(ret)) return ret;
cost += ret;
}
if (flags & DC_EXEC) { if (flags & DC_EXEC) {
SetRailGroundType(tile, RAIL_GROUND_BARREN); SetRailGroundType(tile, RAIL_GROUND_BARREN);
_m[tile].m5 |= trackbit; _m[tile].m5 |= trackbit;