private void GetNextTile()
{
//Debug.Log("GetNextTile");
System.Random random = new System.Random();
// get a random tile from the neighboring tiles
LinkedNode chosenTile = null;
// first look for vacant attack points next to the current tile
foreach (Transform attackPoint in PathBoard.attackPoints)
{
if (attackPoint.GetComponent <AttackPoint>().IsVacant(this))
{
float distanceToAttackPoint = Vector2.Distance(currTile.transform.position, attackPoint.position);
if (distanceToAttackPoint < 0.6) // todo: attack points could be neighbors of Path Tiles (LinkedNodes), but we would have to set them manually
{
// if this is the first attack point to be examined, pick it
// else, pick it with a 50% chance
int randomInt = random.Next(0, 2);
if (chosenTile == null || randomInt > 0)
{
chosenTile = attackPoint.GetComponent <LinkedNode>();
}
}
}
}
//if (chosenTile != null) // if found attack point, set it as occupied by this enemy object
//{
//AttackPoint attackPoint = chosenTile.GetComponent<AttackPoint>();
//if (attackPoint != null)
//{
// attackPoint.SetOccupant(this);
// latched = true;
//}
//}
if (chosenTile == null) // if there weren't any attack points, find the next unvisited tile
{
if (currTile.GetComponent <LinkedNode>() != null)
{
List <LinkedNode> neighbors = currTile.GetComponent <LinkedNode>().GetNeighbors();
neighbors.RemoveAll(x => visitedTiles.Contains(x));
int nc = neighbors.Count;
if (nc > 0)
{
chosenTile = neighbors[random.Next(0, nc)];
}
}
}
if (chosenTile != null)
{
nextTile = chosenTile;
}
else
{
visitedTiles.Clear();
}
}
private void Update()
{
if (!started)
{
return;
}
if (coughing)
{
CoughEffect();
}
// update the hit countdown and the replication countdown each frame
if (hitCountdown > 0f)
{
hitCountdown -= Time.deltaTime;
}
if (replicationCoundtown > 0f && !IsBeingAttacked() && !coughing)
{
replicationCoundtown -= Time.deltaTime;
}
if (replicationCoundtown <= 0f && !IsBeingAttacked() && !coughing)
{
Replicate();
}
// if there's a melee unit attacking,
// start attacking it (face it, move towards it, and if in range, hit)
if (meleeAttackers.Count > 0)
{
//Debug.Log("attacking melee attacker");
// if it's latched, stop the latched animation
if (latched)
{
attackPoint.SetOccupantActive(false);
anim.SetBool("isAttackedWhileLatched", true);
anim.SetBool("isMoving", true);
anim.SetBool("isAtAP", false);
if (!attackedWhileLatched)
{
attackedWhileLatched = true;
}
//Debug.Log("stopping latched animation");
//if (anim != null)
//{
//anim.SetBool("isLatched", false);
//anim.SetTrigger("isAttackedWhileLatched");
//}
}
AttackMeleeAttacker();
}
else // if there's no melee attacker, continue towards the next tile
{
if (nextTile != null)
{
//Debug.Log("nextTile != null");
// if already latched, don't move
if (latched)
{
anim.SetBool("isAttackedWhileLatched", false);
// unless it's too far away from the attack point; in that case, move towards it
if (attackPoint != null && Vector2.Distance(transform.position, attackPoint.transform.position) > 0.15f)
{
//Debug.Log("move closer to attack point");
attackPoint.SetOccupantActive(false);
moveable.MoveDirectlyTowardsPosition(attackPoint.transform.position);
anim.SetBool("isAtAP", false);
}
else
{
//Debug.Log("starting latched animation");
if (anim != null)
{
anim.SetBool("isStunned", Shop.instance.IsCoughing());
}
if (attackedWhileLatched)
{
attackedWhileLatched = false;
attackPoint.SetOccupantActive(!attackedWhileLatched);
}
anim.SetBool("isAtAP", true);
anim.SetBool("isMoving", false);
}
}
else
{
//Debug.Log("MoveDirectlyTowardsPosition");
moveable.MoveDirectlyTowardsPosition(nextTile.transform.position);
if (Vector2.Distance(transform.position, nextTile.transform.position) <= 0.3f)
{
// it's reached the tile; go to the next tile, unless the current tile is an attack point
AttackPoint ap = nextTile.GetComponent <AttackPoint>();
if (ap != null)
{
if (ap.IsVacant())
{
//Debug.Log("ap != null && ap.IsVacant");
// if it's an attack point and it's still vacant, occupy it
ap.SetOccupant(this);
attackPoint = ap;
latched = true;
//anim.SetTrigger("isLatched");
anim.SetBool("isLatched", true);
anim.SetBool("isMoving", false);
}
else // if nextTile is an AP that is occupied, clear visited list and get next tile
{
//Debug.Log("NEXTTILE IS OCCUPIED AP!!!!!!!! clearing visitedTiles and getting next tile!");
visitedTiles.Clear();
GetNextTile();
}
}
else // otherwise, continue on the path
{
VisitTile(nextTile);
GetNextTile();
}
}
}
}
else
{
//Debug.Log("nextTile == null; calling GetNextTile()");
GetNextTile();
}
}
}
