public static IntVec3 RandomWanderDestFor(Pawn pawn, IntVec3 root, float radius, Func <Pawn, IntVec3, bool> validator, Danger maxDanger)
{
if (radius > 12.0)
{
Log.Warning("wanderRadius of " + radius + " is greater than Region.GridSize of " + 12 + " and will break.");
}
bool flag = UnityData.isDebugBuild && DebugViewSettings.drawDestSearch;
if (root.GetRegion(pawn.Map, RegionType.Set_Passable) != null)
{
int maxRegions = Mathf.Max((int)radius / 3, 13);
CellFinder.AllRegionsNear(RCellFinder.regions, root.GetRegion(pawn.Map, RegionType.Set_Passable), maxRegions, TraverseParms.For(pawn, Danger.Deadly, TraverseMode.ByPawn, false), (Region reg) => reg.extentsClose.ClosestDistSquaredTo(root) <= radius * radius, null, RegionType.Set_Passable);
if (flag)
{
pawn.Map.debugDrawer.FlashCell(root, 0.6f, "root", 50);
}
if (RCellFinder.regions.Count > 0)
{
for (int i = 0; i < 35; i++)
{
IntVec3 randomCell = RCellFinder.regions.RandomElementByWeight((Region reg) => (float)reg.CellCount).RandomCell;
if ((float)randomCell.DistanceToSquared(root) > radius * radius)
{
if (flag)
{
pawn.Map.debugDrawer.FlashCell(randomCell, 0.32f, "distance", 50);
}
continue;
}
if (!RCellFinder.CanWanderToCell(randomCell, pawn, root, validator, i, maxDanger))
{
if (flag)
{
pawn.Map.debugDrawer.FlashCell(randomCell, 0.6f, "validation", 50);
}
continue;
}
if (flag)
{
pawn.Map.debugDrawer.FlashCell(randomCell, 0.9f, "go!", 50);
}
return(randomCell);
}
}
}
IntVec3 position = default(IntVec3);
if (!CellFinder.TryFindRandomCellNear(root, pawn.Map, Mathf.FloorToInt(radius), (Predicate <IntVec3>)((IntVec3 c) => c.InBounds(pawn.Map) && pawn.CanReach(c, PathEndMode.OnCell, Danger.None, false, TraverseMode.ByPawn) && !c.IsForbidden(pawn)), out position) && !CellFinder.TryFindRandomCellNear(root, pawn.Map, Mathf.FloorToInt(radius), (Predicate <IntVec3>)((IntVec3 c) => c.InBounds(pawn.Map) && pawn.CanReach(c, PathEndMode.OnCell, Danger.Deadly, false, TraverseMode.ByPawn)), out position) && !CellFinder.TryFindRandomCellNear(root, pawn.Map, 20, (Predicate <IntVec3>)((IntVec3 c) => c.InBounds(pawn.Map) && pawn.CanReach(c, PathEndMode.OnCell, Danger.None, false, TraverseMode.ByPawn) && !c.IsForbidden(pawn)), out position) && !CellFinder.TryFindRandomCellNear(root, pawn.Map, 30, (Predicate <IntVec3>)((IntVec3 c) => c.InBounds(pawn.Map) && pawn.CanReach(c, PathEndMode.OnCell, Danger.Deadly, false, TraverseMode.ByPawn)), out position) && !CellFinder.TryFindRandomCellNear(pawn.Position, pawn.Map, 5, (Predicate <IntVec3>)((IntVec3 c) => c.InBounds(pawn.Map) && pawn.CanReach(c, PathEndMode.OnCell, Danger.Deadly, false, TraverseMode.ByPawn)), out position))
{
position = pawn.Position;
}
if (flag)
{
pawn.Map.debugDrawer.FlashCell(position, 0.4f, "fallback", 50);
}
return(position);
}
