private bool CanSeeCritter(NPCSearch_ClassBased npc)
{
foreach (GameObject critter in NPCSearch_ClassBased.critters)
{
float distance = (critter.transform.position - npc.transform.position).magnitude;
if (distance < npc.pickUpDistance)
{
Vector3 direction = critter.transform.position - (npc.transform.position + Vector3.up);
Ray ray = new Ray(npc.transform.position + Vector3.up, direction);
Debug.DrawRay(npc.transform.position + Vector3.up, direction, Color.red);
if (Physics.Raycast(ray, out RaycastHit hit, npc.pickUpDistance))
{
Debug.Log("I hit" + hit.collider.name);
if (hit.collider.gameObject == critter)
{
npc.critterTarget = critter;
return(true);
}
}
}
}
return(false);
}
private bool CanSeePickUp(NPCSearch_ClassBased npc)
{
foreach (GameObject pickup in NPCSearch_ClassBased.pickUps)
{
float distance = (pickup.transform.position - npc.transform.position).magnitude;
if (distance < npc.pickUpDistance)
{
Vector3 direction = pickup.transform.position - (npc.transform.position + Vector3.up);
Ray ray = new Ray(npc.transform.position + Vector3.up, direction);
Debug.DrawRay(npc.transform.position + Vector3.up, direction, Color.blue);
if (Physics.Raycast(ray, out RaycastHit hit, npc.pickUpDistance))
{
Debug.Log("I hit" + hit.collider.name);
if (hit.collider.gameObject == pickup)
{
npc.pickUpTarget = pickup; //a little yucky but keeps the base class clean
return(true);
}
}
}
}
return(false);
}
private void MoveToCritter(NPCSearch_ClassBased npc)
{
if (npc.navAgent.destination != npc.critterTarget.transform.position)
{
npc.navAgent.SetDestination(npc.critterTarget.transform.position);
}
}
private void DoCollect(NPCSearch_ClassBased npc)
{
if (npc.navAgent.destination != npc.pickUpTarget.transform.position)
{
npc.navAgent.SetDestination(npc.pickUpTarget.transform.position);
}
}
private void DoWander(NPCSearch_ClassBased npc)
{
//if close choose next location
if (npc.navAgent.remainingDistance < 1f)
{
Vector3 random = Random.insideUnitSphere * npc.wanderDistance;
random.y = 0f;
npc.nextLocation = npc.navAgent.transform.position + random;
if (NavMesh.SamplePosition(npc.nextLocation, out NavMeshHit hit, 5f, NavMesh.AllAreas))
{
npc.nextLocation = hit.position;
npc.navAgent.SetDestination(npc.nextLocation);
}
}
}
public INPCState DoState(NPCSearch_ClassBased npc)
{
if (npc.navAgent == null)
{
npc.navAgent = npc.GetComponent <NavMeshAgent>();
}
DoCollect(npc);
if (!npc.pickUpTarget.activeSelf)
{
return(npc.wanderState);
}
else
{
return(npc.collectState);
}
}
public INPCState DoState(NPCSearch_ClassBased npc)
{
if (npc.navAgent == null)
{
npc.navAgent = npc.GetComponent <NavMeshAgent>();
}
MoveToCritter(npc);
if (!npc.critterTarget.activeSelf)
{
return(npc.wanderState);
}
else
{
return(npc.attackState);
}
}
public INPCState DoState(NPCSearch_ClassBased npc)
{
if (npc.navAgent == null)
{
npc.nextLocation = npc.transform.position;
npc.navAgent = npc.GetComponent <NavMeshAgent>();
}
DoWander(npc);
if (CanSeeCritter(npc))
{
return(npc.attackState);
}
else if (CanSeePickUp(npc))
{
return(npc.collectState);
}
else
{
return(npc.wanderState);
}
}