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Allow placing routing restrictions on tunnel/bridge entrance/exit signals

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No reserve through support
This commit is contained in:
Jonathan G Rennison
2021-11-13 22:28:14 +00:00
parent 1ee59c8333
commit 74bfe4e6d2
18 changed files with 393 additions and 73 deletions
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14
src/tracerestrict.h
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@@ -875,12 +875,24 @@ TraceRestrictProgram *GetTraceRestrictProgram(TraceRestrictRefId ref, bool creat
void TraceRestrictNotifySignalRemoval(TileIndex tile, Track track);
static inline bool IsRestrictedSignalTile(TileIndex t)
{
switch (GetTileType(t)) {
case MP_RAILWAY:
return IsRestrictedSignal(t);
case MP_TUNNELBRIDGE:
return IsTunnelBridgeRestrictedSignal(t);
default:
return false;
}
}
/**
* Gets the existing signal program for the tile identified by @p t and @p track, or nullptr
*/
static inline const TraceRestrictProgram *GetExistingTraceRestrictProgram(TileIndex t, Track track)
{
if (IsRestrictedSignal(t)) {
if (IsRestrictedSignalTile(t)) {
return GetTraceRestrictProgram(MakeTraceRestrictRefId(t, track), false);
} else {
return nullptr;