/// <summary>
/// Check if the given cover is fitting.
/// </summary>
private bool doesCoverFit(Cover cover, bool checkDistance)
{
if (cover == null || cover.Top < _position.y + 0.5f)
{
return(false);
}
var position = _position + cover.Forward * _capsuleRadius;
var distance = Vector3.Distance(position, cover.ClosestPointTo(position, 0, 0));
float radius;
if (cover == _current.Main)
{
radius = cover.CheckTall(_position.y) ? _settings.TallSideLeaveRadius : _settings.LowSideLeaveRadius;
}
else
{
radius = cover.CheckTall(_position.y) ? _settings.TallSideEnterRadius : _settings.LowSideEnterRadius;
}
var isInFront = cover.IsInFront(_position, cover == _current.Main) &&
(cover.IsInFront(_position + cover.Right * radius, cover == _current.Main) || cover.RightAdjacent != null) &&
(cover.IsInFront(_position + cover.Left * radius, cover == _current.Main) || cover.LeftAdjacent != null);
if (checkDistance)
{
var isOld = isInFront && distance <= _settings.LeaveDistance && cover == _current.Main;
if (isOld)
{
return(true);
}
var isNew = isInFront && distance <= _settings.EnterDistance && cover != _current.Main;
if (isNew)
{
return(true);
}
return(false);
}
else
{
return(isInFront);
}
}
private void consider(Cover cover, Vector3 position, int direction, Vector3 observer, float maxDistance)
{
if (float.IsNaN(position.x) || float.IsNaN(position.z))
{
return;
}
CoverItem item = new CoverItem();
item.Cover = cover;
item.Position = position;
item.Position.y = cover.Bottom;
item.Distance = Vector3.Distance(observer, item.Position);
item.Direction = direction;
var distanceToObserver = Vector3.Distance(observer, item.Position);
if (distanceToObserver > maxDistance)
{
return;
}
var areThereOthers = false;
const float threshold = 3;
if (cover.IsTall)
{
if (!AIUtil.IsCoverPositionFree(cover, item.Position, threshold, null))
{
areThereOthers = true;
}
}
else
{
var hasChangedPosition = false;
Vector3 side;
if (Vector3.Dot((item.Position - observer).normalized, cover.Right) > 0)
{
side = cover.Right;
}
else
{
side = cover.Left;
}
do
{
hasChangedPosition = false;
if (!AIUtil.IsCoverPositionFree(cover, item.Position, threshold, null))
{
var next = item.Position + side * 0.5f;
if (cover.IsInFront(next, false))
{
item.Position = next;
hasChangedPosition = true;
}
else
{
areThereOthers = true;
}
}
}while (hasChangedPosition);
}
if (areThereOthers)
{
return;
}
Items.Add(item);
}