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Code Issues Activity

Fix #10028: Did Some Overtaking Routine Fixes

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This commit is contained in:
TrevorShelton
2023-04-06 18:24:02 -07:00
parent 82c70ed3b8
commit 1e75f87780
2 changed files with 12 additions and 4 deletions
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2
src/roadveh.h
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@@ -77,7 +77,7 @@ static const uint RVC_DRIVE_THROUGH_STOP_FRAME = 11;
static const uint RVC_DEPOT_STOP_FRAME = 11;
/** The number of ticks a vehicle has for overtaking. */
static const byte RV_OVERTAKE_TIMEOUT = 35;
static const byte RV_OVERTAKE_TIMEOUT = 25;
void RoadVehUpdateCache(RoadVehicle *v, bool same_length = false);
void GetRoadVehSpriteSize(EngineID engine, uint &width, uint &height, int &xoffs, int &yoffs, EngineImageType image_type);

14
src/roadveh_cmd.cpp
View File

@@ -768,8 +768,16 @@ struct OvertakeData {
static Vehicle *EnumFindVehBlockingOvertake(Vehicle *v, void *data)
{
const OvertakeData *od = (OvertakeData*)data;
TileIndexDiff front = TileOffsByDiagDir(DirToDiagDir(od->v->direction));
return (v->type == VEH_ROAD && v->First() == v && v != od->u && v != od->v) ? v : nullptr;
/* Distinct road engine is blocking if it's within the tile or the next few of the passer as well as either it being
* directionally opposed to passer, the passed pending movement, or the blocker being stopped while overtaking. */
return (v->type == VEH_ROAD && v->First() == v && v != od->u && v != od->v
&&
( v->tile == od->v->tile || v->tile == od->v->tile + front || v->tile == od->v->tile + front + front || v->tile == od->u->tile + front + front )
&&
( v->direction == ReverseDir(od->v->direction) || !(od->u->vehstatus & VS_STOPPED) || (v->vehstatus & VS_STOPPED && ( (RoadVehicle*)v )->overtaking ) ) )
? v : nullptr;
}
/**
@@ -833,10 +841,10 @@ static void RoadVehCheckOvertake(RoadVehicle *v, RoadVehicle *u)
* - No barred levelcrossing
* - No other vehicles in the way
*/
od.tile = v->tile;
if (CheckRoadBlockedForOvertaking(&od)) return;
od.tile = v->tile + TileOffsByDiagDir(DirToDiagDir(v->direction));
od.tile += TileOffsByDiagDir(DirToDiagDir(v->direction));
if (CheckRoadBlockedForOvertaking(&od)) return;
/* When the vehicle in front of us is stopped we may only take