public RegionLinkQueueEntry(VehicleRegion from, VehicleRegionLink link, int cost, int estimatedPathCost)
{
this.from = from;
this.link = link;
this.cost = cost;
this.estimatedPathCost = estimatedPathCost;
}
public static void AddAllowedAdjacentRegions(LocalTargetInfo dest, TraverseParms traverseParams, Map map, List <VehicleRegion> regions)
{
GenAdj.GetAdjacentCorners(dest, out IntVec3 bl, out IntVec3 tl, out IntVec3 tr, out IntVec3 br);
if (!dest.HasThing || (dest.Thing.def.size.x == 1 && dest.Thing.def.size.z == 1))
{
IntVec3 cell = dest.Cell;
for (int i = 0; i < 8; i++)
{
IntVec3 intVec = GenAdj.AdjacentCells[i] + cell;
if (intVec.InBoundsShip(map) && !TouchPathEndModeUtility.IsAdjacentCornerAndNotAllowed(intVec, bl, tl, tr, br, map))
{
VehicleRegion region = VehicleGridsUtility.GetRegion(intVec, map, RegionType.Set_Passable);
if (region != null && region.Allows(traverseParams, true))
{
regions.Add(region);
}
}
}
}
else
{
List <IntVec3> list = GenAdjFast.AdjacentCells8Way(dest);
for (int j = 0; j < list.Count; j++)
{
if (list[j].InBoundsShip(map) && !TouchPathEndModeUtility.IsAdjacentCornerAndNotAllowed(list[j], bl, tl, tr, br, map))
{
VehicleRegion region2 = VehicleGridsUtility.GetRegion(list[j], map, RegionType.Set_Passable);
if (region2 != null && region2.Allows(traverseParams, true))
{
regions.Add(region2);
}
}
}
}
}
private void DetermineStartRegions(IntVec3 start)
{
startingRegions.Clear();
if (pathGrid.WalkableFast(start))
{
VehicleRegion validRegionAt = regionGrid.GetValidRegionAt(start);
QueueNewOpenRegion(validRegionAt);
startingRegions.Add(validRegionAt);
}
else
{
for (int i = 0; i < 8; i++)
{
IntVec3 c = start + GenAdj.AdjacentCells[i];
if (c.InBoundsShip(map))
{
if (pathGrid.WalkableFast(c))
{
VehicleRegion validRegionAt2 = regionGrid.GetValidRegionAt(c);
if (!(validRegionAt2 is null) && validRegionAt2.reachedIndex != reachedIndex)
{
QueueNewOpenRegion(validRegionAt2);
startingRegions.Add(validRegionAt2);
}
}
}
}
}
}
private void GetPreciseRegionLinkDistances(VehicleRegion region, CellRect destination, List <Pair <VehicleRegionLink, int> > outDistances)
{
outDistances.Clear();
tmpCellIndices.Clear();
if (destination.Width == 1 && destination.Height == 1)
{
tmpCellIndices.Add(map.cellIndices.CellToIndex(destination.CenterCell));
}
else
{
foreach (IntVec3 cell in destination)
{
if (cell.InBoundsShip(map))
{
tmpCellIndices.Add(map.cellIndices.CellToIndex(cell));
}
}
}
Dijkstra <int> .Run(tmpCellIndices, (int x) => PreciseRegionLinkDistancesNeighborsGetter(x, region),
preciseRegionLinkDistancesDistanceGetter, tmpDistances, null);
foreach (VehicleRegionLink regionLink in region.links)
{
if (regionLink.GetOtherRegion(region).Allows(traverseParms, false))
{
if (!tmpDistances.TryGetValue(map.cellIndices.CellToIndex(linkTargetCells[regionLink]), out float num))
{
Log.ErrorOnce("Dijkstra couldn't reach one of the cells even though they are in the same region. There is most likely something wrong with the " +
"neighbor nodes getter. Error occurred in ShipPathFinder of Vehicles", 1938471531);
num = 100f;
}
outDistances.Add(new Pair <VehicleRegionLink, int>(regionLink, (int)num));
}
}
}
public bool CanReachUnfogged(IntVec3 c, TraverseParms traverseParms)
{
if (traverseParms.pawn != null)
{
if (!traverseParms.pawn.Spawned)
{
return(false);
}
if (traverseParms.pawn.Map != map)
{
Log.Error(string.Concat(new object[]
{
"Called CanReachUnfogged() with a pawn spawned not on this map. This means that we can't check his reachability here. Pawn's current map should have been used instead of this one. pawn=",
traverseParms.pawn,
" pawn.Map=",
traverseParms.pawn.Map,
" map=",
map
}));
return(false);
}
}
if (!c.InBoundsShip(map))
{
return(false);
}
if (!c.Fogged(map))
{
return(true);
}
VehicleRegion region = VehicleGridsUtility.GetRegion(c, map, RegionType.Set_Passable);
if (region == null)
{
return(false);
}
bool entryCondition(VehicleRegion from, VehicleRegion r) => r.Allows(traverseParms, false);
bool foundReg = false;
bool regionProcessor(VehicleRegion r)
{
if (!r.AnyCell.Fogged(map))
{
foundReg = true;
return(true);
}
return(false);
}
WaterRegionTraverser.BreadthFirstTraverse(region, entryCondition, regionProcessor, 9999, RegionType.Set_Passable);
return(foundReg);
}
private void QueueNewOpenRegion(VehicleRegion region)
{
if (region is null)
{
Log.ErrorOnce("Tried to queue null region (Vehicles).", 881121);
return;
}
if (region.reachedIndex == reachedIndex)
{
Log.ErrorOnce("VehicleRegion is already reached; you can't open it. VehicleRegion: " + region.ToString(), 719991);
return;
}
openQueue.Enqueue(region);
region.reachedIndex = reachedIndex;
numRegionsOpened++;
}
public void Init(CellRect end, TraverseParms traverseParms, int moveTicksCardinal, int moveTicksDiagonal, ByteGrid avoidGrid, Area allowedArea, bool drafted, List <int> disallowedCorners)
{
this.moveTicksCardinal = moveTicksCardinal;
this.moveTicksDiagonal = moveTicksDiagonal;
endCell = end.CenterCell;
cachedRegion = null;
cachedBestLink = null;
cachedSecondBestLink = null;
cachedBestLinkCost = 0;
cachedSecondBestLinkCost = 0;
cachedRegionIsDestination = false;
regionGrid = map.GetCachedMapComponent <VehicleMapping>().VehicleRegionGrid.DirectGrid;
destRegions.Clear();
if (end.Width == 1 && end.Height == 1)
{
VehicleRegion region = VehicleGridsUtility.GetRegion(endCell, map, RegionType.Set_Passable);
if (region != null)
{
destRegions.Add(region);
}
}
else
{
foreach (IntVec3 intVec in end)
{
if (intVec.InBoundsShip(map) && !disallowedCorners.Contains(map.cellIndices.CellToIndex(intVec)))
{
VehicleRegion region2 = VehicleGridsUtility.GetRegion(intVec, map, RegionType.Set_Passable);
if (region2 != null)
{
if (region2.Allows(traverseParms, true))
{
destRegions.Add(region2);
}
}
}
}
}
if (destRegions.Count == 0)
{
Log.Error("Couldn't find any destination regions. This shouldn't ever happen because we've checked reachability.");
}
vehicleRegionCostCalculator.Init(end, destRegions, traverseParms, moveTicksCardinal, moveTicksDiagonal, avoidGrid, allowedArea, drafted);
}
public int GetRegionBestDistances(VehicleRegion region, out VehicleRegionLink bestLink, out VehicleRegionLink secondBestLink, out int secondBestCost)
{
int regionDistance = GetRegionDistance(region, out bestLink);
secondBestLink = null;
secondBestCost = int.MaxValue;
foreach (VehicleRegionLink regionLink in region.links)
{
if (regionLink != bestLink && regionLink.GetOtherRegion(region).type.Passable())
{
if (distances.TryGetValue(regionLink, out int num) && num < secondBestCost)
{
secondBestCost = num;
secondBestLink = regionLink;
}
}
}
return(regionDistance);
}
public int RegionMedianPathCost(VehicleRegion region)
{
if (minPathCosts.TryGetValue(region, out int result))
{
return(result);
}
bool ignoreAllowedAreaCost = allowedArea != null && region.OverlapWith(allowedArea) != AreaOverlap.None;
CellIndices cellIndices = map.cellIndices;
Rand.PushState();
Rand.Seed = cellIndices.CellToIndex(region.extentsClose.CenterCell) * (region.links.Count + 1);
for (int i = 0; i < SampleCount; i++)
{
pathCostSamples[i] = GetCellCostFast(cellIndices.CellToIndex(region.RandomCell), ignoreAllowedAreaCost);
}
Rand.PopState();
Array.Sort(pathCostSamples);
int num = pathCostSamples[4];
minPathCosts[region] = num;
return(num);
}
private bool CheckRegionBasedReachability(TraverseParms traverseParms)
{
while (openQueue.Count > 0)
{
VehicleRegion region = openQueue.Dequeue();
foreach (VehicleRegionLink regionLink in region.links)
{
for (int i = 0; i < 2; i++)
{
VehicleRegion region2 = regionLink.regions[i];
if (!(region2 is null) && region2.reachedIndex != reachedIndex && region2.type.Passable())
{
if (region2.Allows(traverseParms, false))
{
if (destRegions.Contains(region2))
{
foreach (VehicleRegion startRegion in startingRegions)
{
cache.AddCachedResult(startRegion.Room, region2.Room, traverseParms, true);
}
return(true);
}
QueueNewOpenRegion(region2);
}
}
}
}
}
foreach (VehicleRegion startRegion in startingRegions)
{
foreach (VehicleRegion destRegion in destRegions)
{
cache.AddCachedResult(startRegion.Room, destRegion.Room, traverseParms, false);
}
}
return(false);
}
public int GetPathCostFromDestToRegion(int cellIndex)
{
VehicleRegion region = regionGrid[cellIndex];
IntVec3 cell = map.cellIndices.IndexToCell(cellIndex);
if (region != cachedRegion)
{
cachedRegionIsDestination = destRegions.Contains(region);
if (cachedRegionIsDestination)
{
return(OctileDistanceToEnd(cell));
}
cachedBestLinkCost = vehicleRegionCostCalculator.GetRegionBestDistances(region, out cachedBestLink, out cachedSecondBestLink, out cachedSecondBestLinkCost);
cachedRegion = region;
}
else if (cachedRegionIsDestination)
{
return(OctileDistanceToEnd(cell));
}
if (cachedBestLink != null)
{
int num = vehicleRegionCostCalculator.RegionLinkDistance(cell, cachedBestLink, 1);
int num3;
if (cachedSecondBestLink != null)
{
int num2 = vehicleRegionCostCalculator.RegionLinkDistance(cell, cachedSecondBestLink, 1);
num3 = Mathf.Min(cachedSecondBestLinkCost + num2, cachedBestLinkCost + num);
}
else
{
num3 = cachedBestLinkCost + num;
}
return(num3 + OctileDistanceToEndEps(cell));
}
return(10000);
}
public bool CanReachShip(IntVec3 start, LocalTargetInfo dest, PathEndMode peMode, TraverseParms traverseParms)
{
if (working)
{
Log.ErrorOnce("Called CanReach() while working for Ships. This should never happen. Suppressing further errors.", 7312233);
return(false);
}
if (!map.terrainGrid.TerrainAt(dest.Cell).IsWater)
{
return(false);
}
if (!(traverseParms.pawn is null))
{
if (!traverseParms.pawn.Spawned)
{
return(false);
}
if (traverseParms.pawn.Map != map)
{
Log.Error(string.Concat(new object[]
{
"Called CanReach() with a ship spawned not on this map. This means that we can't check its reachability here. Pawn's" +
"current map should have been used instead of this one. pawn=", traverseParms.pawn,
" pawn.Map=", traverseParms.pawn.Map,
" map=", map
}));
return(false);
}
}
if (!dest.IsValid)
{
return(false);
}
if (dest.HasThing && dest.Thing.Map != map)
{
return(false);
}
if (!start.InBoundsShip(map) || !dest.Cell.InBoundsShip(map))
{
return(false);
}
if ((peMode == PathEndMode.OnCell || peMode == PathEndMode.Touch || peMode == PathEndMode.ClosestTouch) && traverseParms.mode != TraverseMode.NoPassClosedDoorsOrWater &&
traverseParms.mode != TraverseMode.PassAllDestroyableThingsNotWater)
{
VehicleRoom room = VehicleRegionAndRoomQuery.RoomAtFast(start, map, RegionType.Set_Passable);
if (!(room is null) && room == VehicleRegionAndRoomQuery.RoomAtFast(dest.Cell, map, RegionType.Set_Passable))
{
return(true);
}
}
if (traverseParms.mode == TraverseMode.PassAllDestroyableThings)
{
TraverseParms traverseParms2 = traverseParms;
traverseParms.mode = TraverseMode.PassDoors;
if (CanReachShip(start, dest, peMode, traverseParms2))
{
return(true);
}
}
dest = (LocalTargetInfo)GenPathVehicles.ResolvePathMode(traverseParms.pawn, dest.ToTargetInfo(map), ref peMode);
working = true;
bool result;
try
{
pathGrid = map.GetCachedMapComponent <VehicleMapping>().VehiclePathGrid;
regionGrid = map.GetCachedMapComponent <VehicleMapping>().VehicleRegionGrid;
reachedIndex += 1u;
destRegions.Clear();
if (peMode == PathEndMode.OnCell)
{
VehicleRegion region = VehicleGridsUtility.GetRegion(dest.Cell, map, RegionType.Set_Passable);
if (!(region is null) && region.Allows(traverseParms, true))
{
destRegions.Add(region);
}
}
else if (peMode == PathEndMode.Touch)
{
TouchPathEndModeUtilityVehicles.AddAllowedAdjacentRegions(dest, traverseParms, map, destRegions);
}
if (destRegions.Count == 0 && traverseParms.mode != TraverseMode.PassAllDestroyableThings && traverseParms.mode !=
TraverseMode.PassAllDestroyableThingsNotWater)
{
FinalizeCheck();
result = false;
}
else
{
destRegions.RemoveDuplicates();
openQueue.Clear();
numRegionsOpened = 0;
DetermineStartRegions(start);
if (openQueue.Count == 0 && traverseParms.mode != TraverseMode.PassAllDestroyableThings && traverseParms.mode !=
TraverseMode.PassAllDestroyableThingsNotWater)
{
FinalizeCheck();
result = false;
}
else
{
if (startingRegions.Any() && destRegions.Any() && CanUseCache(traverseParms.mode))
{
BoolUnknown cachedResult = GetCachedResult(traverseParms);
if (cachedResult == BoolUnknown.True)
{
FinalizeCheck();
return(true);
}
if (cachedResult == BoolUnknown.False)
{
FinalizeCheck();
return(false);
}
}
if (traverseParms.mode == TraverseMode.PassAllDestroyableThings || traverseParms.mode == TraverseMode.PassAllDestroyableThingsNotWater ||
traverseParms.mode == TraverseMode.NoPassClosedDoorsOrWater)
{
bool flag = CheckCellBasedReachability(start, dest, peMode, traverseParms);
FinalizeCheck();
result = flag;
}
else
{
bool flag2 = CheckRegionBasedReachability(traverseParms);
//bool flag2 = CheckCellBasedReachability(start, dest, peMode, traverseParms); //REDO?
FinalizeCheck();
result = flag2;
}
}
}
}
finally
{
working = false;
}
return(result);
}
private bool CheckCellBasedReachability(IntVec3 start, LocalTargetInfo dest, PathEndMode peMode, TraverseParms traverseParms)
{
IntVec3 foundCell = IntVec3.Invalid;
VehicleRegion[] directionRegionGrid = regionGrid.DirectGrid;
VehiclePathGrid pathGrid = map.GetCachedMapComponent <VehicleMapping>().VehiclePathGrid;
CellIndices cellIndices = map.cellIndices;
map.floodFiller.FloodFill(start, delegate(IntVec3 c)
{
int num = cellIndices.CellToIndex(c);
if ((traverseParms.mode == TraverseMode.PassAllDestroyableThingsNotWater || traverseParms.mode == TraverseMode.NoPassClosedDoorsOrWater) &&
c.GetTerrain(map).IsWater)
{
return(false);
}
if (traverseParms.mode == TraverseMode.PassAllDestroyableThings || traverseParms.mode == TraverseMode.PassAllDestroyableThingsNotWater)
{
if (!pathGrid.WalkableFast(num))
{
Building edifice = c.GetEdifice(map);
if (edifice is null || !VehiclePathFinder.IsDestroyable(edifice))
{
return(false);
}
}
}
else if (traverseParms.mode != TraverseMode.NoPassClosedDoorsOrWater)
{
Log.ErrorOnce("Do not use this method for non-cell based modes!", 938476762);
if (!pathGrid.WalkableFast(num))
{
return(false);
}
}
VehicleRegion region = directionRegionGrid[num];
return(region is null || region.Allows(traverseParms, false));
}, delegate(IntVec3 c)
{
if (VehicleReachabilityImmediate.CanReachImmediateShip(c, dest, map, peMode, traverseParms.pawn))
{
foundCell = c;
return(true);
}
return(false);
}, int.MaxValue, false, null);
if (foundCell.IsValid)
{
if (CanUseCache(traverseParms.mode))
{
VehicleRegion validRegionAt = regionGrid.GetValidRegionAt(foundCell);
if (!(validRegionAt is null))
{
foreach (VehicleRegion startRegion in startingRegions)
{
cache.AddCachedResult(startRegion.Room, validRegionAt.Room, traverseParms, true);
}
}
}
return(true);
}
if (CanUseCache(traverseParms.mode))
{
foreach (VehicleRegion startRegion in startingRegions)
{
foreach (VehicleRegion destRegion in destRegions)
{
cache.AddCachedResult(startRegion.Room, destRegion.Room, traverseParms, false);
}
}
}
return(false);
}
private IEnumerable <int> PreciseRegionLinkDistancesNeighborsGetter(int node, VehicleRegion region)
{
if (regionGrid[node] is null || regionGrid[node] != region)
{
return(null);
}
return(PathableNeighborIndices(node));
}
public int GetRegionDistance(VehicleRegion region, out VehicleRegionLink minLink)
{
if (regionMinLink.TryGetValue(region.id, out minLink))
{
return(distances[minLink]);
}
while (queue.Count != 0)
{
RegionLinkQueueEntry regionLinkQueueEntry = queue.Pop();
int num = distances[regionLinkQueueEntry.Link];
if (regionLinkQueueEntry.Cost == num)
{
VehicleRegion otherRegion = regionLinkQueueEntry.Link.GetOtherRegion(regionLinkQueueEntry.From);
if (!(otherRegion is null) && otherRegion.valid)
{
int num2 = 0;
if (!(otherRegion.door is null))
{
num2 = VehiclePathFinder.GetBuildingCost(otherRegion.door, traverseParms, traverseParms.pawn);
if (num2 == int.MaxValue)
{
continue;
}
num2 += OctileDistance(1, 0);
}
int minPathCost = RegionMedianPathCost(otherRegion);
foreach (VehicleRegionLink regionLink in otherRegion.links)
{
if (regionLink != regionLinkQueueEntry.Link && regionLink.GetOtherRegion(otherRegion).type.Passable())
{
int num3 = (otherRegion.door is null) ? RegionLinkDistance(regionLinkQueueEntry.Link, regionLink, minPathCost) : num2;
num3 = Math.Max(num3, 1);
int num4 = num + num3;
int estimatedPathCost = MinimumRegionLinkDistance(destinationCell, regionLink) + num4;
if (distances.TryGetValue(regionLink, out int num5))
{
if (num4 < num5)
{
distances[regionLink] = num4;
queue.Push(new RegionLinkQueueEntry(otherRegion, regionLink, num4, estimatedPathCost));
}
}
else
{
distances.Add(regionLink, num4);
queue.Push(new RegionLinkQueueEntry(otherRegion, regionLink, num4, estimatedPathCost));
}
}
}
if (!regionMinLink.ContainsKey(otherRegion.id))
{
regionMinLink.Add(otherRegion.id, regionLinkQueueEntry.Link);
if (otherRegion == region)
{
minLink = regionLinkQueueEntry.Link;
return(regionLinkQueueEntry.Cost);
}
}
}
}
}
return(10000);
}
