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(svn r8966) -Codechange: replace some if-cascades by switches.

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This commit is contained in:
rubidium 2007-03-02 00:17:35 +00:00
parent cd8090f3bd
commit 08973ba8eb
1 changed files with 21 additions and 20 deletions
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39
src/rail_cmd.cpp
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@ -1845,16 +1845,21 @@ set_ground:
static uint32 GetTileTrackStatus_Track(TileIndex tile, TransportType mode)
{
if (mode != TRANSPORT_RAIL) return 0;
switch (GetRailTileType(tile)) {
default: NOT_REACHED();
case RAIL_TILE_NORMAL: {
TrackBits rails = GetTrackBits(tile);
uint32 ret = rails * 0x101;
return (rails == TRACK_BIT_CROSS) ? ret | 0x40 : ret;
}
case RAIL_TILE_SIGNALS: {
uint32 ret = GetTrackBits(tile) * 0x101;
byte a;
uint16 b;
if (mode != TRANSPORT_RAIL) return 0;
if (IsPlainRailTile(tile)) {
TrackBits rails = GetTrackBits(tile);
uint32 ret = rails * 0x101;
if (HasSignals(tile)) {
a = _m[tile].m3;
b = _m[tile].m2;
@ -1871,25 +1876,21 @@ static uint32 GetTileTrackStatus_Track(TileIndex tile, TransportType mode)
if ((b & 0x40) == 0) ret |= 0x07100000;
if ((b & 0x20) == 0) ret |= 0x20080000;
if ((b & 0x10) == 0) ret |= 0x08200000;
} else {
if (rails == TRACK_BIT_CROSS) ret |= 0x40;
}
return ret;
} else {
if (IsRailDepot(tile)) {
return AxisToTrackBits(DiagDirToAxis(GetRailDepotDirection(tile))) * 0x101;
} else {
return GetRailWaypointBits(tile) * 0x101;
}
case RAIL_TILE_DEPOT: return AxisToTrackBits(DiagDirToAxis(GetRailDepotDirection(tile))) * 0x101;
case RAIL_TILE_WAYPOINT: return GetRailWaypointBits(tile) * 0x101;
}
}
static void ClickTile_Track(TileIndex tile)
{
if (IsTileDepotType(tile, TRANSPORT_RAIL)) {
ShowDepotWindow(tile, VEH_Train);
} else if (IsRailWaypoint(tile)) {
ShowRenameWaypointWindow(GetWaypointByTile(tile));
switch (GetRailTileType(tile)) {
case RAIL_TILE_DEPOT: ShowDepotWindow(tile, VEH_Train); break;
case RAIL_TILE_WAYPOINT: ShowRenameWaypointWindow(GetWaypointByTile(tile)); break;
default: break;
}
}