//******************************************************************************************************************//
//******************************************************************************************************************//
// A decision to check if a health kit is in agent's sight
public static bool IsHealthKitInSight(AgentActions agent, GameObject enemy, GameObject powerPickup, GameObject healthKit)
{
// If the game objects of HealthKit tag are in sight, the count
// of the returned list will be greater than zero
if (agent.GetGameObjectsInViewOfTag(Constants.HealthKitTag).Count > 0)
{
return(true);
}
else
{
return(false);
}
}
// Update is called once per frame
void Update()
{
//******************************************************************************************************************//
//******************************************************************************************************************//
// Setting the distance to infinity for
// a default value
closest_distance = Mathf.Infinity;
// These will stay null if nothing of that type
// is in sight
enemy = null;
power_pickup = null;
health_kit = null;
// We now get the perceived game objects of a particular tag
// and store it to the list
list_enemies = agentScript.GetGameObjectsInViewOfTag(Constants.EnemyTag);
list_power_pickups = agentScript.GetGameObjectsInViewOfTag(Constants.PowerUpTag);
list_health_kits = agentScript.GetGameObjectsInViewOfTag(Constants.HealthKitTag);
//******************************************************************************************************************//
//******************************************************************************************************************//
for (int i = 0; i < list_enemies.Count; i++)
{
// If the enemy is alive and active, perform the distance check
if (list_enemies[i].GetComponent <AgentActions>().Alive&& list_enemies[i] != null)
{
// If it's less than the closest distance, assign the individual object and
// update the closest distance
if (Vector3.Distance(list_enemies[i].transform.position, this.gameObject.transform.position) < closest_distance)
{
enemy = list_enemies[i];
closest_distance = Vector3.Distance(list_enemies[i].transform.position, this.gameObject.transform.position);
}
}
// Else, remove it from the list
else
{
list_enemies.Remove(list_enemies[i]);
}
}
//******************************************************************************************************************//
//******************************************************************************************************************//
closest_distance = Mathf.Infinity;
for (int i = 0; i < list_power_pickups.Count; i++)
{
if (list_power_pickups[i] != null)
{
if (Vector3.Distance(list_power_pickups[i].transform.position, this.gameObject.transform.position) < closest_distance)
{
power_pickup = list_power_pickups[i];
closest_distance = Vector3.Distance(list_power_pickups[i].transform.position, this.gameObject.transform.position);
}
}
else
{
list_power_pickups.Remove(list_power_pickups[i]);
}
}
//******************************************************************************************************************//
//******************************************************************************************************************//
closest_distance = Mathf.Infinity;
for (int i = 0; i < list_health_kits.Count; i++)
{
if (list_health_kits[i] != null)
{
if (Vector3.Distance(list_health_kits[i].transform.position, this.gameObject.transform.position) < closest_distance)
{
health_kit = list_health_kits[i];
closest_distance = Vector3.Distance(list_health_kits[i].transform.position, this.gameObject.transform.position);
}
}
else
{
list_health_kits.Remove(list_health_kits[i]);
}
}
//******************************************************************************************************************//
//******************************************************************************************************************//
// If we're alive, continue
if (agentScript.Alive)
{
// Gets the leaf action from the tree
IAction action = decision_tree.Execute(agentScript, enemy, power_pickup, health_kit);
action_executor.SetNewAction(action);
action_executor.Execute(agentScript, enemy, power_pickup, health_kit);
}
//******************************************************************************************************************//
//******************************************************************************************************************//
}