public override bool CanActivate(AIBrain ai)
{
safeInfo = ai.Memory.GetHighestOverall <InformationSafePosition>();
if (safeInfo == null)
{
return(false);
}
safeInfo.isBeingUsed = true;
if (base.CanActivate(ai))
{
return(true);
}
return(false);
}
private bool FindSafePositions(AIBrain ai)
{
if (!ai.HaveCurrentTarget())
{
return(false);
}
Transform transform = ai.Transform;
List <Vector3> samplePositions = new List <Vector3>();
samplePositions.Clear();
float randDirAngle = Random.Range(0, 360);
for (int randAngleCounter = 0; randAngleCounter < angleCheckCount; randAngleCounter++)
{
randDirAngle += 360 / angleCheckCount;
float randStartDist = Random.Range(randomStartDistance.x, randomStartDistance.y);
Vector3 startPos = transform.position + Quaternion.Euler(0, randDirAngle, 0) * transform.forward * randStartDist;
Vector3 startDir = Quaternion.Euler(0, randDirAngle, 0) * transform.forward * Random.Range(randomStartDistance.x, randomStartDistance.y);
NavMeshHit hit;
Vector3 lastPoint = transform.position;
for (int t = 0; t < checkAlongAngleCount; t++)
{
startPos = startPos + startDir * t * stepSize;
startDir = (startPos - lastPoint).normalized;
if (NavMesh.SamplePosition(startPos, out hit, 10f, NavMesh.AllAreas))
{
samplePositions.Add(hit.position);
#if UNITY_EDITOR
if (showShapes)
{
Debug.DrawRay(hit.position, Vector3.up * 1f, Color.black);
}
#endif
}
lastPoint = hit.position;
}
}
#region Check For Safe Position
if (ai.InfoCurrentTarget.transform)
{
List <InformationSafePosition> infos = new List <InformationSafePosition>();
rayCheckCountVertical = rayCheckCountVertical <= 0 ? 1 : rayCheckCountVertical;
maxDistanceFromTargetForMaxConfidence = maxDistanceFromTargetForMaxConfidence <= 0 ? 1 : maxDistanceFromTargetForMaxConfidence;
float yStep = (rayHeightMinMaxVertical.y - rayHeightMinMaxVertical.x) / (rayCheckCountVertical - 1);
for (int i = 0; i < samplePositions.Count; i++)
{
// Vertical Rays
Vector3 samplePosition = samplePositions[i];
int rayHitToSafeCount = 0;
for (int j = 0; j < rayCheckCountVertical; j++)
{
float height = rayHeightMinMaxVertical.x + j * yStep;
RaycastHit hit;
#if UNITY_EDITOR
if (showShapes)
{
Debug.DrawLine(samplePosition + Vector3.up * height, ai.GetCurrentTargetPos() + Vector3.up * rayToTargetHeight, Color.red);
Debug.DrawRay(ai.GetCurrentTargetPos() + Vector3.up * rayToTargetHeight, Vector3.up * 15f, Color.gray);
}
#endif
if (Physics.Linecast(samplePosition + Vector3.up * height, ai.GetCurrentTargetPos() + Vector3.up * rayToTargetHeight, out hit, lineCastMask))
{
if (!Checkers.IsOneOfTags(hit.transform, fightableTags) && !Checkers.isChildOf(hit.transform, ai.Transform.GetComponentsInChildren <Transform>()) && hit.transform != transform)
{
rayHitToSafeCount++;
}
}
}
if (rayHitToSafeCount >= 1)
{
float distFromSelf = Vector3.Distance(ai.Transform.position, samplePosition);
float distSelfConf = 1 - Mathf.Clamp01(distFromSelf / maxDistanceFromSelfForMinConfidence);
float distFromTarget = Vector3.Distance(ai.GetCurrentTargetPos(), samplePosition);
float distTargetConf = Mathf.Clamp01(distFromTarget / maxDistanceFromTargetForMaxConfidence);
InformationSafePosition infoSafePos = new InformationSafePosition
(
samplePosition, (rayHitToSafeCount / (float)rayCheckCountVertical),
distFromSelf, distSelfConf,
distFromTarget, distTargetConf
);
infos.Add(infoSafePos);
}
}
infos = infos.OrderByDescending(x => x.OverallConfidence).ToList();
for (int i = 0; i < infos.Count && i < maxMemoryAddPerUpdate; i++)
{
ai.Memory.Add(infos[i]);
}
}
#endregion Check For Safe Position
return(true);
}