public override void OnStateUpdate(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
{
if (currentCover != null)
{
Debug.Log("Enemy is taking cover");
if (AIFunction.LineOfSight(currentCover.position, attacker, coverCriteria))
{
Debug.Log("Cover is compromised");
// Reset and find a new cover point
currentCover = null;
//currentCover = FindCover(attacker, ai.na, coverCheckRadius, numberOfChecks, coverCriteria);
}
}
if (currentCover == null)
{
currentCover = FindCover(attacker, ai.na, coverCheckRadius, numberOfChecks, coverCriteria);
}
if (currentCover != null)
{
Debug.Log("Setting destination for " + ai.name + " from TakeCover behaviour");
ai.na.SetDestination(currentCover.position);
}
}
public NullableVector3 FindCover(Transform attacker, NavMeshAgent na, float coverCheckRadius, int numberOfChecks, LayerMask coverCriteria)
{
NullableVector3 cover = null;
NavMeshPath coverPath = null;
for (int i = 0; i < numberOfChecks; i++)
{
// Obtains a random position within a certain vicinity of the agent
Vector3 randomPosition = ai.transform.position + Random.insideUnitSphere * coverCheckRadius;
NavMeshHit coverCheck;
// Checks if there is an actual point on the navmesh close to the randomly selected position
if (NavMesh.SamplePosition(randomPosition, out coverCheck, na.height * 2, NavMesh.AllAreas))
{
if (AIFunction.LineOfSight(coverCheck.position, attacker, coverCriteria) == false) // If line of sight is not established
{
// Ensures that the agent can actually move to the cover position.
NavMeshPath newPathToTest = new NavMeshPath();
if (na.CalculatePath(coverCheck.position, newPathToTest))
{
// Checks if the new cover position is easier to get to than the old one.
if (cover == null || AIFunction.NavMeshPathLength(newPathToTest) < AIFunction.NavMeshPathLength(coverPath)) // Use OR statement, and check navmesh path cost between transform.position and the cover point currently being checked.
{
// If so, new cover position is established, and navmesh path is stored for next comparison
cover = new NullableVector3(coverCheck.position);
coverPath = newPathToTest;
}
}
}
}
}
return(cover);
}
Character AcquireTarget()
{
// Use Physics.OverlapSphere
Collider[] thingsInEnvironment = Physics.OverlapSphere(LookOrigin, viewRange);
foreach (Collider thing in thingsInEnvironment)
{
/*
* if (AIFunction.LineOfSightCheckWithExceptions(LookOrigin, thing.transform.position, viewDetection, characterData.HealthData.hitboxes, thing))
* {
*
* }
*/
if (AIFunction.LineOfSight(LookOrigin, thing.transform, viewDetection))
{
//print("Line of sight established between agent and " + thing.name);
Character targetCharacter = thing.transform.root.GetComponent <Character>();
if (targetCharacter != null && characterData.HostileTowards(targetCharacter))
{
return(targetCharacter);
}
}
}
return(null);
}
