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Fix trains ascending a sloped bridge ramp having incorrect z in wormhole

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z one larger than the correct value due to an extra increment on the
transition frame
This commit is contained in:
Jonathan G Rennison
2023-06-08 22:47:01 +01:00
parent f8301f735f
commit 36e1c28173
1 changed files with 7 additions and 1 deletions
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8
src/tunnelbridge_cmd.cpp
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@@ -3204,7 +3204,13 @@ static VehicleEnterTileStatus VehicleEnter_TunnelBridge(Vehicle *v, TileIndex ti
Train *t = Train::From(v);
t->track = TRACK_BIT_WORMHOLE;
SetBit(t->First()->flags, VRF_CONSIST_SPEED_REDUCTION);
PrepareToEnterBridge(t);
/* Do not call PrepareToEnterBridge because that also increments z_pos if
* GVF_GOINGUP_BIT is set.
* That is not required because this is occuring at frame == TILE_SIZE,
* instead at TILE_SIZE - 1 */
ClrBit(t->gv_flags, GVF_GOINGUP_BIT);
ClrBit(t->gv_flags, GVF_GOINGDOWN_BIT);
break;
}