/// <summary>
/// Called when the enemy updates its Navigation Mesh Path
/// </summary>
/// <param name="destination">The new target for the enemy</param>
private void SetDestination(Vector3 destination)
{
_pathToNextPoint = new NavMeshPath();
Vector3 height = new Vector3(0, FairyCharacter.transform.position.y - FairyCharacter.GroundCheck.transform.position.y, 0);
NavMesh.CalculatePath(FairyCharacter.transform.position - height, destination, NavMesh.AllAreas, _pathToNextPoint);
_pathCorners = FairyOperations.CheckArrayForDuplicates(_pathToNextPoint.corners, FairyCharacter.GroundCheck.transform.position).ToArray();
_cornerIndex = 0;
}
/// <summary>
/// Send the projectile moving towards its target
/// </summary>
/// <param name="launcher">The object where the projectile is created</param>
/// <param name="target">The target for the projectile to hit</param>
/// <param name="damage">The amount of damage the projectile will do</param>
public void FireProjectile(GameObject launcher, GameObject target, int damage)
{
if (launcher & target)
{
_targetDirection = (target.transform.position - launcher.transform.position).normalized;
_hasFired = true;
this.transform.rotation = FairyOperations.TurnTowardPlayer(this.transform, target.transform);
// Destroy the projectile after it has existed for a certain amount of time
Destroy(gameObject, 5.0f);
}
}
public override void UpdateState()
{
if (EnteredState)
{
_timeSinceLastUpdate += Time.deltaTime;
if (_cornerIndex <= _pathCorners.Length - 1)
{
// Get the next movement vector, and if true then the corner will be reached
if (FairyOperations.GetNextPosition(_pathCorners[_cornerIndex], FairyCharacter.GroundCheck.transform.position, FairyCharacter.MovementSpeed, out Vector3 nextMovement))
{
// Prepare to move to next corner on next update
if (_cornerIndex <= _pathCorners.Length - 1)
{
_cornerIndex += 1;
}
}
// Check that the enemy is not moving too close to the player
if (FairyOperations.CheckNextPosition(nextMovement, FairyCharacter.transform.position, FairyCharacter.Player.transform.position, 2.0f))
{
// Get a new point to move to
if (FairyOperations.RandomPoint(FairyCharacter.Player.transform.position, 10.0f, out Vector3 point))
{
SetDestination(point);
}
}
// Move towards the new position and look towards it too
else
{
FairyCharacter.transform.position += nextMovement;
Vector3 nextLook = new Vector3(nextMovement.x, 0, nextMovement.z);
if (!nextLook.Equals(new Vector3(0, 0, 0)))
{
FairyCharacter.transform.rotation = Quaternion.LookRotation(nextLook);
}
}
}
// Check if the enemy should update its path
if ((_cornerIndex >= _pathCorners.Length) || (_timeSinceLastUpdate >= _timeBetweenDestinationUpdates))
{
SetDestination(FairyCharacter.Player.transform.position);
}
}
}
/// <summary>
/// Called when the enemy updates its pathfinding
/// Sets a random amount of time before the enemy should update its destination again
/// </summary>
/// <param name="destination">The new target for the enemy to chase</param>
private void SetDestination(Vector3 destination)
{
if (!FairyCharacter.FiredLastTurn && FairyOperations.chanceToFire(FairyCharacter.transform, FairyCharacter.Player.transform))
{
Fsm.EnterState(FsmStateType.Attack);
}
else
{
_timeSinceLastUpdate = 0.0f;
_timeBetweenDestinationUpdates = Random.Range(0.5f, 2.0f);
_pathToTarget = new NavMeshPath();
Vector3 height = new Vector3(0, FairyCharacter.transform.position.y - FairyCharacter.GroundCheck.transform.position.y, 0);
NavMesh.CalculatePath(FairyCharacter.transform.position - height, destination, NavMesh.AllAreas, _pathToTarget);
_pathCorners = FairyOperations.CheckArrayForDuplicates(_pathToTarget.corners, FairyCharacter.GroundCheck.transform.position).ToArray();
_cornerIndex = 0;
FairyCharacter.FiredLastTurn = false;
}
}
public override void UpdateState()
{
if (EnteredState)
{
if (FairyCharacter.PlayerNearby())
{
Fsm.EnterState(FsmStateType.Chase);
}
if (_cornerIndex <= _pathCorners.Length - 1)
{
// Get the next movement vector, and if true then the corner will be reached
if (FairyOperations.GetNextPosition(_pathCorners[_cornerIndex], FairyCharacter.GroundCheck.transform.position, FairyCharacter.MovementSpeed, out Vector3 nextMovement))
{
// Prepare to move to next corner on next update
if (_cornerIndex <= _pathCorners.Length - 1)
{
_cornerIndex += 1;
}
}
// Move towards the new position and look towards it too
FairyCharacter.transform.position += nextMovement;
Vector3 nextLook = new Vector3(nextMovement.x, 0, nextMovement.z);
if (!nextLook.Equals(new Vector3(0, 0, 0)))
{
FairyCharacter.transform.rotation = Quaternion.LookRotation(nextLook);
}
}
// Check if the enemy should stop
if (_cornerIndex >= _pathCorners.Length)
{
Fsm.EnterState(FsmStateType.Idle);
}
}
}
public override void UpdateState()
{
if (EnteredState)
{
if (FairyCharacter.PlayerVisible())
{
_fireTimer += Time.deltaTime;
FairyCharacter.transform.rotation = FairyOperations.TurnTowardPlayer(FairyCharacter.transform, FairyCharacter.Player.transform);
if ((_fireTimer >= _firingRate) && (FairyCharacter.Fire()))
{
FairyCharacter.ChargeAnimationControl.StopChargeAnimation();
Fsm.EnterState(FsmStateType.Chase);
}
}
else
{
FairyCharacter.ChargeAnimationControl.StopChargeAnimation();
Fsm.EnterState(FsmStateType.Chase);
}
}
}
