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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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2
src/newgrf_railtype.cpp
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@@ -127,6 +127,7 @@ static PalSpriteID GetRailTypeCustomSignalSprite(const RailtypeInfo *rti, TileIn
{
if (rti->group[RTSG_SIGNALS] == nullptr) return { 0, PAL_NONE };
if (type == SIGTYPE_PROG && !HasBit(rti->ctrl_flags, RTCF_PROGSIG)) return { 0, PAL_NONE };
if (type == SIGTYPE_NO_ENTRY && !HasBit(rti->ctrl_flags, RTCF_NOENTRYSIG)) return { 0, PAL_NONE };
uint32 param1 = gui ? 0x10 : 0x00;
uint32 param2 = (type << 16) | (var << 8) | RemapAspect(aspect, rti->signal_extra_aspects);
@@ -157,6 +158,7 @@ CustomSignalSpriteResult GetCustomSignalSprite(const RailtypeInfo *rti, TileInde
for (const GRFFile *grf : _new_signals_grfs) {
if (type == SIGTYPE_PROG && !HasBit(grf->new_signal_ctrl_flags, NSCF_PROGSIG)) continue;
if (type == SIGTYPE_NO_ENTRY && !HasBit(grf->new_signal_ctrl_flags, NSCF_NOENTRYSIG)) continue;
uint32 param1 = gui ? 0x10 : 0x00;
uint32 param2 = (type << 16) | (var << 8) | RemapAspect(aspect, grf->new_signal_extra_aspects);