diff options
| -rw-r--r-- | rail_cmd.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/rail_cmd.c b/rail_cmd.c index 171c48205..09f61344b 100644 --- a/rail_cmd.c +++ b/rail_cmd.c @@ -817,7 +817,7 @@ static int32 CmdSignalTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 { int ex, ey; int32 ret, total_cost, signal_ctr; - byte m5, signals; + byte signals; TileIndex tile = TILE_FROM_XY(x, y); bool error = true; @@ -830,6 +830,9 @@ static int32 CmdSignalTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 if (p1 > MapSize()) return CMD_ERROR; if (signal_density == 0 || signal_density > 20) return CMD_ERROR; + if (!IsTileType(tile, MP_RAILWAY)) + return CMD_ERROR; + SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); /* for vertical/horizontal tracks, double the given signals density @@ -846,7 +849,6 @@ static int32 CmdSignalTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 track = TrackdirToTrack(trackdir); /* trackdir might have changed, keep track in sync */ // copy the signal-style of the first rail-piece if existing - m5 = _map5[tile]; if (GetRailTileType(tile) == RAIL_TYPE_SIGNALS && GetTrackBits(tile) != 0) { /* XXX: GetTrackBits check useless? */ signals = _map3_lo[tile] & SignalOnTrack(track); if (signals == 0) signals = SignalOnTrack(track); /* Can this actually occur? */ @@ -855,18 +857,18 @@ static int32 CmdSignalTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 } else // no signals exist, drag a two-way signal stretch signals = SignalOnTrack(track); - /* signal_ctr - amount of tiles already processed + /* signal_ctr - amount of tiles already processed * signals_density - patch setting to put signal on every Nth tile (double space on |, -- tracks) ********** - * trackdir - trackdir to build with autorail - * semaphores - semaphores or signals + * trackdir - trackdir to build with autorail + * semaphores - semaphores or signals * signals - is there a signal/semaphore on the first tile, copy its style (two-way/single-way) and convert all others to semaphore/signal - * mode - 1 remove signals, 0 build signals */ + * mode - 1 remove signals, 0 build signals */ signal_ctr = total_cost = 0; for (;;) { // only build/remove signals with the specified density - if ((signal_ctr % signal_density) == 0 ) { + if ((signal_ctr % signal_density) == 0 ) { ret = DoCommand(x, y, TrackdirToTrack(trackdir) | semaphores, signals, flags, (mode == 1) ? CMD_REMOVE_SIGNALS : CMD_BUILD_SIGNALS); /* Abort placement for any other error than NOT_SUITABLE_TRACK |