/// <summary>
/// populates pathOptions with available points and returns the number of options found (args: unused1, currentPoint,
/// unused2, targetPoint, maxDistance)
/// </summary>
private int FindPathOptions(Entity par1Entity, PathPoint par2PathPoint, PathPoint par3PathPoint, PathPoint par4PathPoint, float par5)
{
int i = 0;
int j = 0;
if (GetVerticalOffset(par1Entity, par2PathPoint.XCoord, par2PathPoint.YCoord + 1, par2PathPoint.ZCoord, par3PathPoint) == 1)
{
j = 1;
}
PathPoint pathpoint = GetSafePoint(par1Entity, par2PathPoint.XCoord, par2PathPoint.YCoord, par2PathPoint.ZCoord + 1, par3PathPoint, j);
PathPoint pathpoint1 = GetSafePoint(par1Entity, par2PathPoint.XCoord - 1, par2PathPoint.YCoord, par2PathPoint.ZCoord, par3PathPoint, j);
PathPoint pathpoint2 = GetSafePoint(par1Entity, par2PathPoint.XCoord + 1, par2PathPoint.YCoord, par2PathPoint.ZCoord, par3PathPoint, j);
PathPoint pathpoint3 = GetSafePoint(par1Entity, par2PathPoint.XCoord, par2PathPoint.YCoord, par2PathPoint.ZCoord - 1, par3PathPoint, j);
if (pathpoint != null && !pathpoint.IsFirst && pathpoint.DistanceTo(par4PathPoint) < par5)
{
PathOptions[i++] = pathpoint;
}
if (pathpoint1 != null && !pathpoint1.IsFirst && pathpoint1.DistanceTo(par4PathPoint) < par5)
{
PathOptions[i++] = pathpoint1;
}
if (pathpoint2 != null && !pathpoint2.IsFirst && pathpoint2.DistanceTo(par4PathPoint) < par5)
{
PathOptions[i++] = pathpoint2;
}
if (pathpoint3 != null && !pathpoint3.IsFirst && pathpoint3.DistanceTo(par4PathPoint) < par5)
{
PathOptions[i++] = pathpoint3;
}
return(i);
}
/// <summary>
/// Adds a path from start to end and returns the whole path (args: unused, start, end, unused, maxDistance)
/// </summary>
private PathEntity AddToPath(Entity par1Entity, PathPoint par2PathPoint, PathPoint par3PathPoint, PathPoint par4PathPoint, float par5)
{
par2PathPoint.TotalPathDistance = 0.0F;
par2PathPoint.DistanceToNext = par2PathPoint.DistanceTo(par3PathPoint);
par2PathPoint.DistanceToTarget = par2PathPoint.DistanceToNext;
Path.ClearPath();
Path.AddPoint(par2PathPoint);
PathPoint pathpoint = par2PathPoint;
while (!Path.IsPathEmpty())
{
PathPoint pathpoint1 = Path.Dequeue();
if (pathpoint1.Equals(par3PathPoint))
{
return(CreateEntityPath(par2PathPoint, par3PathPoint));
}
if (pathpoint1.DistanceTo(par3PathPoint) < pathpoint.DistanceTo(par3PathPoint))
{
pathpoint = pathpoint1;
}
pathpoint1.IsFirst = true;
int i = FindPathOptions(par1Entity, pathpoint1, par4PathPoint, par3PathPoint, par5);
int j = 0;
while (j < i)
{
PathPoint pathpoint2 = PathOptions[j];
float f = pathpoint1.TotalPathDistance + pathpoint1.DistanceTo(pathpoint2);
if (!pathpoint2.IsAssigned() || f < pathpoint2.TotalPathDistance)
{
pathpoint2.Previous = pathpoint1;
pathpoint2.TotalPathDistance = f;
pathpoint2.DistanceToNext = pathpoint2.DistanceTo(par3PathPoint);
if (pathpoint2.IsAssigned())
{
Path.ChangeDistance(pathpoint2, pathpoint2.TotalPathDistance + pathpoint2.DistanceToNext);
}
else
{
pathpoint2.DistanceToTarget = pathpoint2.TotalPathDistance + pathpoint2.DistanceToNext;
Path.AddPoint(pathpoint2);
}
}
j++;
}
}
if (pathpoint == par2PathPoint)
{
return(null);
}
else
{
return(CreateEntityPath(par2PathPoint, pathpoint));
}
}