/// <summary>
/// Checks to see if the AI has direct line of sight of an object it want s to use as cover
/// </summary>
/// <param name="coverObject"> Object to be checked for cover </param>
/// <returns> True if the AI has direct line of sight </returns>
private bool CheckSightOfCoverObject(Transform coverObject)
{
Vector3 start = GetSightCheckPosition(trans, CoverNormal, CurrCoverType);
Vector3 direction = coverObject.position - start;
direction.Normalize();
float distance = Vector3.Distance(start, coverObject.position);
Ray ray = new Ray(start, direction);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, distance))
{
if (hit.collider.transform.GetInstanceID() == coverObject.GetInstanceID())
{
return(true);
}
else if (hit.collider.gameObject.layer != LayerMask.NameToLayer("Scenery"))
{
RaycastHit rehit;
Vector3 hitPoint = hit.point;
float distanceLeft = distance - Vector3.Distance(hitPoint, start) - 0.05f;
int iterations = 0;
while (MissionInput.RaycastThroughObject(hitPoint, direction, distanceLeft, out rehit))
{
if (hit.collider.transform.GetInstanceID() == coverObject.GetInstanceID())
{
return(true);
}
else if (hit.collider.gameObject.layer != LayerMask.NameToLayer("Scenery"))
{
hitPoint = rehit.point;
distanceLeft = distance - Vector3.Distance(hitPoint, start) - 0.05f;
iterations++;
if (iterations > 50)
{
break;
}
continue;
}
else
{
return(false);
}
}
return(false);
}
else
{
return(false);
}
}
return(false);
}
/// <summary>
/// Checks whether there is a line of sight between this AI and their target
/// </summary>
/// <param name="target"> The target of the line of sight check </param>
/// <param name="normal"> The normal of the cover of this AI </param>
/// <returns> True if there is line of sight </returns>
protected bool CheckLineOfSight(AbstractCombatPerson target, Vector3 normal)
{
Vector3 start = GetSightCheckPosition(trans, normal, CurrCoverType);
Vector3 end = GetSightCheckPosition(target.Trans, target.CoverNormal, target.CurrCoverType);
Vector3 direction = end - start;
direction.Normalize();
float distance = Vector3.Distance(start, end);
Ray ray = new Ray(start, direction);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, distance))
{
if (hit.collider.CompareTag(target.tag))
{
return(true);
}
else if (hit.collider.CompareTag(tag))
{
RaycastHit rehit;
Vector3 hitPoint = hit.point;
float distanceLeft = distance - Vector3.Distance(hitPoint, start) - 0.05f;
int iterations = 0;
while (MissionInput.RaycastThroughObject(hitPoint, direction, distanceLeft, out rehit))
{
if (hit.collider.CompareTag(target.tag))
{
return(true);
}
else if (hit.collider.CompareTag(tag))
{
hitPoint = rehit.point;
distanceLeft = distance - Vector3.Distance(hitPoint, start) - 0.05f;
iterations++;
if (iterations > 50)
{
break;
}
continue;
}
else
{
return(false);
}
}
return(true);
}
else
{
return(false);
}
}
else
{
return(true);
}
}
