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Add new signal type: no-entry signal

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This is only passable in one direction, but does not have a signal
or show an aspect in the opposite direction

Add a setting for whether this is shown in the signal UI.
Off by default.
This commit is contained in:
Jonathan G Rennison
2021-09-04 03:14:09 +01:00
parent b3aa59c85d
commit 5d351a14d2
31 changed files with 256 additions and 31 deletions
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1
src/pbs.cpp
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@@ -1162,6 +1162,7 @@ bool IsSafeWaitingPosition(const Train *v, TileIndex tile, Trackdir trackdir, bo
Trackdir td = FindFirstTrackdir(ft.m_new_td_bits);
/* PBS signal on next trackdir? Conditionally safe position. */
if (HasPbsSignalOnTrackdir(ft.m_new_tile, td)) {
if (GetSignalType(ft.m_new_tile, TrackdirToTrack(td)) == SIGTYPE_NO_ENTRY) return include_line_end;
if (IsRestrictedSignal(ft.m_new_tile)) {
const TraceRestrictProgram *prog = GetExistingTraceRestrictProgram(ft.m_new_tile, TrackdirToTrack(td));
if (prog && prog->actions_used_flags & TRPAUF_RESERVE_THROUGH) {