private bool updateIsMelee()
{
_meleeTarget = null;
var weapon = _motor.EquippedWeapon;
if (!weapon.HasMelee || weapon.Gun != null)
{
return(false);
}
var minDist = 0f;
for (int i = 0; i < AIUtil.FindActors(_motor.transform.position, MeleeRadius, _actor); i++)
{
var actor = AIUtil.Actors[i];
if (actor.Side == _actor.Side)
{
continue;
}
var dist = Vector3.Distance(_motor.transform.position, actor.transform.position);
if (_meleeTarget == null || dist < minDist)
{
_meleeTarget = actor;
minDist = dist;
}
}
return(_meleeTarget != null);
}
private bool checkIncomingCollisions(Vector3 ownMovement, float speed)
{
var count = AIUtil.FindActors(transform.position, ObstructionRadius, _actor);
var ownMovementMagnitude = ownMovement.magnitude;
var hasOwnMovement = ownMovementMagnitude > 0.25f;
var ownDirection = ownMovement / ownMovementMagnitude;
var closestDot = 0f;
var closestVector = Vector3.zero;
var closestDirection = Vector3.zero;
var closestPosition = Vector3.zero;
var isClosestPrimary = false;
var isClosestStatic = false;
var hasClosest = false;
for (int i = 0; i < count; i++)
{
var other = AIUtil.Actors[i];
if (other.Side != _actor.Side && other.IsAggressive && _actor.IsAggressive)
{
continue;
}
Vector3 velocity;
float magnitude;
var movement = _movements.ContainsKey(other) ? _movements[other] : null;
var isStatic = false;
if (movement != null && movement._isAvoidingMover)
{
velocity = movement._avoidDirection;
magnitude = 1;
}
else
{
velocity = other.Motor.MovementDirection;
magnitude = velocity.magnitude;
if (magnitude < 0.1f)
{
var body = other.Body;
if (body == null)
{
continue;
}
velocity = body.velocity;
magnitude = velocity.magnitude;
if (magnitude < 0.1f)
{
if (hasOwnMovement)
{
isStatic = true;
velocity = -ownMovement;
magnitude = 1;
}
else
{
continue;
}
}
}
}
var direction = velocity / magnitude;
if (hasOwnMovement && Vector3.Dot(ownDirection, direction) > -0.5f)
{
continue;
}
var vector = (transform.position - other.transform.position).normalized;
var dot = Vector3.Dot(direction, vector);
if (dot < 0.7f)
{
continue;
}
var isPrimary = (movement == null ? true : !movement._isAvoidingMover) && !isStatic;
if (!hasClosest || (isClosestStatic && !isStatic) || (isPrimary && !isClosestPrimary) || (isPrimary && dot > closestDot) || (!isPrimary && !isClosestPrimary && dot > closestDot))
{
hasClosest = true;
isClosestPrimary = isPrimary;
isClosestStatic = isStatic;
closestPosition = other.transform.position;
closestDirection = direction;
closestVector = vector;
closestDot = dot;
}
}
if (hasClosest)
{
if (!isClosestPrimary && !isClosestStatic && !hasOwnMovement && canMoveInDirection(closestVector))
{
return(avoid(closestVector, speed));
}
var point = Util.FindClosestToPath(closestPosition, closestPosition + closestDirection * 100, transform.position);
var vector = transform.position - point;
var distance = vector.magnitude;
if (distance < 0.1f)
{
var right = Vector3.Cross(closestVector, Vector3.up);
var left = -right;
if (hasOwnMovement && isClosestStatic)
{
right = (right + ownMovement).normalized;
left = (left + ownMovement).normalized;
}
if (canMoveInDirection(right))
{
return(avoid(right, speed));
}
if (canMoveInDirection(left))
{
return(avoid(left, speed));
}
}
else
{
var direction = vector / distance;
if (hasOwnMovement && isClosestStatic)
{
direction = (direction + ownMovement).normalized;
}
if (canMoveInDirection(direction))
{
return(avoid(direction, speed));
}
}
if (isClosestPrimary && !isClosestStatic && !hasOwnMovement && canMoveInDirection(closestVector))
{
return(avoid(closestVector, speed));
}
}
return(false);
}
private bool isValidCover(Cover cover, Vector3 position, int direction, bool checkPath, bool avoidPivot = true)
{
if (cover == _unreachableCover)
{
return(false);
}
if (_isKeepingCloseTo && Vector3.Distance(position, _keepCloseTo.Position) > _keepCloseTo.Distance)
{
return(false);
}
if (!_hasPivot)
{
if (!AIUtil.IsCoverPositionFree(cover, position, 1, _actor))
{
return(false);
}
return(true);
}
if (!_hasCachedEnemies)
{
_cachedEnemyCount = 0;
_hasCachedEnemies = true;
var totalActorCount = AIUtil.FindActors(position, MinDefenselessDistance, _actor);
if (totalActorCount > 0)
{
var enemyCount = 0;
for (int i = 0; i < totalActorCount; i++)
{
if (AIUtil.Actors[i].Side != _actor.Side)
{
enemyCount++;
}
}
if (enemyCount > 0)
{
if (_cachedEnemies == null || _cachedEnemies.Length < enemyCount)
{
_cachedEnemies = new Actor[enemyCount];
}
var index = 0;
for (int i = 0; i < totalActorCount; i++)
{
if (AIUtil.Actors[i].Side != _actor.Side)
{
_cachedEnemies[index++] = AIUtil.Actors[i];
}
}
_cachedEnemyCount = index;
}
}
}
for (int i = 0; i < _cachedEnemyCount; i++)
{
var enemy = _cachedEnemies[i];
if (enemy.Side != _actor.Side)
{
var enemyPosition = enemy.transform.position;
var distance = Vector3.Distance(position, enemyPosition);
if (distance < AvoidDistance)
{
return(false);
}
if (!AIUtil.IsGoodAngle(MaxTallCoverThreatAngle,
MaxLowCoverThreatAngle,
cover,
position,
enemyPosition,
cover.IsTall))
{
return(false);
}
}
}
if (_isPivotThreat)
{
var distance = Vector3.Distance(position, _pivotPosition);
if (_hasMaxPivotDistance && distance > _maxPivotDistance)
{
return(false);
}
var aimPosition = position;
if (AIUtil.IsObstructed(aimPosition + (_actor.StandingTopPosition - transform.position),
_pivotPosition + Vector3.up * 2))
{
return(false);
}
}
else
{
var distance = Vector3.Distance(position, _pivotPosition);
if (_hasMaxPivotDistance && distance > _maxPivotDistance)
{
return(false);
}
if (!AIUtil.IsGoodAngle(MaxDefenseAngle,
MaxDefenseAngle,
cover,
_pivotPosition,
position,
cover.IsTall))
{
return(false);
}
}
if (!AIUtil.IsCoverPositionFree(cover, position, 1, _actor))
{
return(false);
}
if (checkPath)
{
if (NavMesh.CalculatePath(transform.position, position, 1, _path))
{
if (avoidPivot)
{
var count = _path.GetCornersNonAlloc(_corners);
for (int i = 0; i < count; i++)
{
var a = i == 0 ? transform.position : _corners[i - 1];
var b = _corners[i];
var closest = Util.FindClosestToPath(a, b, _pivotPosition);
if (Vector3.Distance(closest, _pivotPosition) < AvoidDistance)
{
return(false);
}
}
}
}
else
{
return(false);
}
}
return(true);
}