static void Postfix(LineOfSight __instance, Point p0, float height0, Point p1, float height1, Vector3 unitDelta, string targetGuid,
ref float __result, CombatGameState ___Combat)
{
if (ModState.CurrentTurretForLOS == null)
{
return;
}
if (p0.X == p1.X && p0.Z == p1.Z)
{
__result = 0f;
return;
}
if (!___Combat.MapMetaData.IsWithinBounds(p0) || !___Combat.MapMetaData.IsWithinBounds(p1))
{
__result = float.MaxValue;
return;
}
float numCellsX = Mathf.Abs(unitDelta.x) * (float)MapMetaDataExporter.cellSize;
float numCellsY = Mathf.Abs(unitDelta.z) * (float)MapMetaDataExporter.cellSize;
float lineDeltaX = (float)(p1.X - p0.X);
float lineDeltaZ = (float)(p1.Z - p0.Z);
float greatestDivisor = Mathf.Max(Mathf.Abs(lineDeltaX), Mathf.Abs(lineDeltaZ));
float stepHeight = (height1 - height0) / greatestDivisor;
float sumVisionCost = 0f;
Traverse projectedHeightAtT = Traverse.Create(__instance).Method("getProjectedHeightAt", new Type[] { typeof(Point), typeof(float), typeof(Point), typeof(float) });
Traverse visCostOfCellT = Traverse.Create(__instance).Method("visCostOfCell", new Type[] { typeof(MapTerrainDataCell), typeof(float) });
string shellBuildingGUID = ModState.AmbushTurretGUIDtoBuilding[ModState.CurrentTurretForLOS.GUID].GUID;
EncounterLayerData encounterLayerData = ___Combat.EncounterLayerData;
List <Point> list = BresenhamLineUtil.BresenhamLine(p0, p1);
for (int i = 1; i < list.Count; i++)
{
float stepDelta;
if (list[i].X != list[i - 1].X)
{
stepDelta = numCellsX;
}
else
{
stepDelta = numCellsY;
}
// Increment vision cost only slightly if it's inside our shell building
if (encounterLayerData.mapEncounterLayerDataCells[list[i].Z, list[i].X].HasSpecifiedBuilding(shellBuildingGUID))
{
Mod.Log.Trace?.Write($" Point x={list[i].X} z={list[i].Z} is inside the shell building, adding vision cost normally.");
sumVisionCost += stepDelta;
}
else
{
float projectedHeightAt = projectedHeightAtT.GetValue <float>(new object[] { p0, height0, list[i], stepHeight });
MapTerrainDataCell mapTerrainDataCell = ___Combat.MapMetaData.mapTerrainDataCells[list[i].Z, list[i].X];
if (mapTerrainDataCell.cachedHeight > projectedHeightAt)
{
if (mapTerrainDataCell.MapEncounterLayerDataCell.HasBuilding)
{
for (int j = 0; j < mapTerrainDataCell.MapEncounterLayerDataCell.buildingList.Count; j++)
{
if (ObstructionGameLogic.GuidsMatchObjectOrRep(mapTerrainDataCell.MapEncounterLayerDataCell.buildingList[j].buildingGuid, targetGuid))
{
__result = sumVisionCost;
return;
}
}
}
__result = float.MaxValue;
return;
}
sumVisionCost += visCostOfCellT.GetValue <float>(new object[] { mapTerrainDataCell, projectedHeightAt }) * stepDelta;
}
}
__result = sumVisionCost;
return;
}
public CacheNodeLink(CacheNode from, CacheNode to, float distance, int angle, MapMetaData mapMetaData)
{
this.From = from;
this.To = to;
this.Reciprocal = to.NeighborLinks[(angle + 4) % 8];
if (this.Reciprocal != null)
{
this.Reciprocal.Reciprocal = this;
}
this.PathCells = new List <MapTerrainDataCell>();
this.TargetDistCells = new List <DistCell[]>();
List <Point> indexLine = BresenhamLineUtil.BresenhamLine(from.CellIndex, to.CellIndex);
for (int i = 0; i < indexLine.Count - 1; i++)
{
// Targets are indexLine[i + 1] and the cells in the adjacent cardinal directions
DistCell[] targets = new DistCell[3];
Point current = indexLine[i];
int xDiff = indexLine[i + 1].X - current.X;
int zDiff = indexLine[i + 1].Z - current.Z;
if (xDiff >= 0)
{
targets[0] = new DistCell(cellDelta, mapMetaData.GetCellAt(current.X + 1, current.Z));
}
else
{
targets[0] = new DistCell(cellDelta, mapMetaData.GetCellAt(current.X - 1, current.Z));
}
if (zDiff >= 0)
{
targets[1] = new DistCell(cellDelta, mapMetaData.GetCellAt(current.X, current.Z + 1));
}
else
{
targets[1] = new DistCell(cellDelta, mapMetaData.GetCellAt(current.X, current.Z - 1));
}
if (xDiff == 0)
{
targets[2] = new DistCell(cellDelta, mapMetaData.GetCellAt(current.X - 1, current.Z));
}
else if (zDiff == 0)
{
targets[2] = new DistCell(cellDelta, mapMetaData.GetCellAt(current.X, current.Z - 1));
}
else
{
// this should be impossible with the modified bresenham they're using
targets[2] = new DistCell(cellDeltaDiag, mapMetaData.GetCellAt(indexLine[i]));
}
this.PathCells.Add(mapMetaData.GetCellAt(current));
this.TargetDistCells.Add(targets);
}
this.Distance = distance;
this.UpdateGrade();
this.UpdateMaxGrade();
}
static void Postfix(LineOfSight __instance, Point p0, float height0, Point p1, float height1, string targetedBuildingGuid, ref Point collisionWorldPos,
ref bool __result, CombatGameState ___Combat)
{
if (ModState.CurrentTurretForLOF == null)
{
return;
}
Mod.Log.Trace?.Write($"Recalculating LOF from {CombatantUtils.Label(ModState.CurrentTurretForLOF)} due to collision on building shell. " +
$"CollisonWorldPos=> x={collisionWorldPos.X} z={collisionWorldPos.Z}");
collisionWorldPos = p1;
// If the origin and target points are the same, there is a collision
if (p0.X == p1.X && p0.Z == p1.Z)
{
__result = true;
return;
}
// If the origin or target points are outsie the bounds of the map, there is no collision (because how could there be)
if (!___Combat.MapMetaData.IsWithinBounds(p0) || !___Combat.MapMetaData.IsWithinBounds(p1))
{
__result = false;
return;
}
MapMetaData mapMetaData = ___Combat.MapMetaData;
EncounterLayerData encounterLayerData = ___Combat.EncounterLayerData;
bool targetIsABuilding = !string.IsNullOrEmpty(targetedBuildingGuid);
string shellBuildingGUID = ModState.AmbushTurretGUIDtoBuilding[ModState.CurrentTurretForLOF.GUID].GUID;
List <Point> bresenhamLinePoints = BresenhamLineUtil.BresenhamLine(p0, p1);
float heightDeltaPerPoint = (height1 - height0) / (float)bresenhamLinePoints.Count;
float collisionPointHeight = height0;
// Walk the bresenham Line, evaluation collision at a speciifc height as we go.
for (int i = 0; i < bresenhamLinePoints.Count; i++)
{
collisionPointHeight += heightDeltaPerPoint;
Point point = bresenhamLinePoints[i];
if (encounterLayerData.mapEncounterLayerDataCells[point.Z, point.X].HasSpecifiedBuilding(shellBuildingGUID))
{
Mod.Log.Trace?.Write($" Point x={point.X} z={point.Z} is inside the shell building, continuing.");
continue;
}
if (targetIsABuilding && encounterLayerData.mapEncounterLayerDataCells[point.Z, point.X].HasSpecifiedBuilding(targetedBuildingGuid))
{
Mod.Log.Trace?.Write($" Building {targetedBuildingGuid} conflicts with the LoS, collision at x={collisionWorldPos.X} z={collisionWorldPos.Z}");
collisionWorldPos = bresenhamLinePoints[i];
__result = true;
return;
}
if (mapMetaData.mapTerrainDataCells[point.Z, point.X].cachedHeight > collisionPointHeight)
{
Mod.Log.Trace?.Write($" Collision on terrain at position x={collisionWorldPos.X} z={collisionWorldPos.Z}");
collisionWorldPos = bresenhamLinePoints[i];
__result = false;
return;
}
}
Mod.Log.Trace?.Write($"No collision detected, changing LoF to true. CollisonWorldPos => x ={ collisionWorldPos.X} z ={ collisionWorldPos.Z}");
__result = true;
return;
}
private static bool NotPrefix(
ref bool __result, Vector3 from, Vector3 to, MapMetaData ___mapMetaData, CombatGameState ___combat, List <Point> ___fbbLine,
float ___maxGrade, float ___cellDelta, float ___cellDeltaDiag, Point ___incrementZ, Point ___incrementX, Point ___decrementX,
Point ___decrementZ)
{
_stopwatch.Start();
Counter++;
___mapMetaData = ___combat.MapMetaData;
Point index = ___mapMetaData.GetIndex(from);
Point index2 = ___mapMetaData.GetIndex(to);
if (!___mapMetaData.IsWithinBounds(index) || !___mapMetaData.IsWithinBounds(index))
{
return(true);
}
___fbbLine = BresenhamLineUtil.BresenhamLine(index, index2);
if (___fbbLine.Count < 3)
{
return(false);
}
float cachedHeight = ___mapMetaData.GetCellAt(___fbbLine[___fbbLine.Count - 1]).cachedHeight;
using (CancellationTokenSource cts = new CancellationTokenSource())
{
availableThreads = Mod.MaxConcurrency;
Task <bool>[] tasks = new Task <bool> [3];
CancellationToken token = cts.Token;
for (int i = -1; i <= 1; i++)
{
while (availableThreads <= 0)
{
}
Interlocked.Decrement(ref availableThreads);
int k = i;
tasks[i + 1] = Task.Run(() =>
{
for (int j = -1; j <= 1; j++)
{
if (token.IsCancellationRequested)
{
return(false);
}
if (k == 0 && j == 0)
{
continue;
}
int num = ___fbbLine[___fbbLine.Count - 1].X + k;
int num2 = ___fbbLine[___fbbLine.Count - 1].Z + j;
if (___mapMetaData.IsWithinBounds(num, num2))
{
float cachedHeight2 = ___mapMetaData.GetCellAt(num, num2).cachedHeight;
if (PathNodeGrid.CheckForBlocker(cachedHeight, cachedHeight2, ___maxGrade,
(k != 0 && j != 0) ? ___cellDeltaDiag : ___cellDelta))
{
Interlocked.Increment(ref availableThreads);
cts.Cancel();
return(true);
}
}
}
Interlocked.Increment(ref availableThreads);
return(false);
});
}
if (token.IsCancellationRequested)
{
__result = true;
PrintExceptions(tasks);
return(false);
}
foreach (Task <bool> t in tasks)
{
// busy wait
while (!t.IsCompleted)
{
}
}
PrintExceptions(tasks);
if (token.IsCancellationRequested)
{
__result = true;
return(false);
}
}
availableThreads = Mod.MaxConcurrency;
float fromHeight = ___mapMetaData.GetCellAt(___fbbLine[0]).cachedHeight;
using (CancellationTokenSource cts = new CancellationTokenSource())
{
CancellationToken token = cts.Token;
Task <bool>[] tasks = new Task <bool> [___fbbLine.Count - 1];
for (int k = 1; k < ___fbbLine.Count; k++)
{
while (availableThreads <= 0)
{
}
Interlocked.Decrement(ref availableThreads);
int i = k - 1;
tasks[i] = Task.Run(() =>
{
cachedHeight = ___mapMetaData.GetCellAt(___fbbLine[i + 1]).cachedHeight;
if (___fbbLine[i + 1].Z == ___fbbLine[i].Z)
{
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
float cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___incrementZ).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___decrementZ).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
}
else if (___fbbLine[i + 1].X == ___fbbLine[i].X)
{
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
float cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___decrementX).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___incrementX).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
}
else
{
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight, ___maxGrade, ___cellDeltaDiag))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
if (___fbbLine[i + 1].X > ___fbbLine[i].X)
{
float cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___incrementX).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
if (___fbbLine[i + 1].Z > ___fbbLine[i].Z)
{
cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___incrementZ).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
}
else if (___fbbLine[i + 1].Z < ___fbbLine[i].Z)
{
cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___decrementZ).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
}
}
else if (___fbbLine[i + 1].X < ___fbbLine[i].X)
{
float cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___decrementX).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
if (___fbbLine[i + 1].Z > ___fbbLine[i].Z)
{
cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___incrementZ).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
}
else if (___fbbLine[i + 1].Z < ___fbbLine[i].Z)
{
cachedHeight2 = ___mapMetaData.GetCellAt(___fbbLine[i] + ___decrementZ).cachedHeight;
if (PathNodeGrid.CheckForBlocker(fromHeight, cachedHeight2, ___maxGrade, ___cellDelta))
{
cts.Cancel();
Interlocked.Increment(ref availableThreads);
return(true);
}
}
}
}
fromHeight = cachedHeight;
Interlocked.Increment(ref availableThreads);
return(false);
});
if (token.IsCancellationRequested)
{
PrintExceptions(tasks);
__result = true;
return(false);
}
}
if (token.IsCancellationRequested)
{
PrintExceptions(tasks);
__result = true;
return(false);
}
foreach (Task <bool> t in tasks)
{
// busy wait
while (!t.IsCompleted)
{
if (token.IsCancellationRequested)
{
PrintExceptions(tasks);
__result = true;
return(false);
}
}
}
PrintExceptions(tasks);
}
__result = false;
return(false);
void PrintExceptions(Task <bool>[] tasks)
{
List <Task <bool> > faultyTasks = tasks.Where(t => t?.IsFaulted ?? false).ToList();
if (faultyTasks.Any())
{
StringBuilder stringBuilder = new StringBuilder();
foreach (Task task in faultyTasks)
{
stringBuilder.AppendLine(task.Exception.Flatten().ToString());
}
Utils.Logger.LogError($"{Utils.LOG_HEADER}" + stringBuilder);
}
}
}