void DoActions(ref BrainAIComponent brain, ref EcsEntity entity)
{
for (int i = 0; i < actions.Length; i++)
{
actions[i].Act(ref brain, ref entity);
}
}
void Scan(ref BrainAIComponent brain, ref EcsEntity entity)
{
if (brain.Agent.enabled)
{
brain.Agent.isStopped = true;
brain.Agent.enabled = false;
}
var turnSpeed = brain.EnemyStats.SearchingTurnSpeed * Time.deltaTime;
var rb = entity.Get <MoveComponent>().RB;
rb.transform.Rotate(new Vector3(0f, rb.transform.rotation.y + turnSpeed, 0f));
}
void CheckTransitions(ref BrainAIComponent brain)
{
for (int i = 0; i < transitions.Length; i++)
{
bool decisionSucceded = transitions[i].Decision.Decide(ref brain);
if (decisionSucceded)
{
brain.TransitionToState(transitions[i].TrueState);
}
else
{
brain.TransitionToState(transitions[i].FalseState);
}
}
}
void Patrol(ref BrainAIComponent brain, ref EcsEntity entity)
{
var agent = brain.Agent;
agent.enabled = true;
agent.destination =
brain
.Waitpoints[brain.NextWayPoint]
.position;
var distToPoint = (agent.destination - agent.transform.position).magnitude;
if (agent.remainingDistance <= agent.stoppingDistance && !agent.pathPending)
{
brain.NextWayPoint = (brain.NextWayPoint + 1) % brain.Waitpoints.Length;
}
}
void Attack(ref BrainAIComponent brain, ref EcsEntity entity)
{
#if DEBUG
Debug.DrawRay(brain.Eyes.position,
brain.Eyes.forward * brain.EnemyStats.AttackRange,
Color.red);
#endif
if (Physics.SphereCast(brain.Eyes.position,
brain.EnemyStats.LookSphereCastRadius,
brain.Eyes.forward,
out RaycastHit hit,
brain.EnemyStats.AttackRange,
brain.PlayerLayer))
{
if (brain.IsCheckCountDownElapsed(brain.EnemyStats.AttackRate))
{
Fire(ref entity);
}
}
}
bool Look(ref BrainAIComponent brain)
{
#if DEBUG
Debug.DrawRay(brain.Eyes.position,
brain.Eyes.forward * brain.EnemyStats.LookRange,
Color.green);
#endif
if (Physics.SphereCast(brain.Eyes.position,
brain.EnemyStats.LookSphereCastRadius,
brain.Eyes.forward,
out RaycastHit hit,
brain.EnemyStats.LookRange,
brain.PlayerLayer))
{
brain.ChaseTarget = hit.transform;
return(true);
}
return(false);
}
public abstract void Act(ref BrainAIComponent brain, ref EcsEntity entity);
public override void Act(ref BrainAIComponent brain, ref EcsEntity entity)
{
Chase(ref brain, ref entity);
}
void Chase(ref BrainAIComponent brain, ref EcsEntity entity)
{
brain.Agent.enabled = true;
brain.Agent.destination = brain.ChaseTarget.position;
}
public override bool Decide(ref BrainAIComponent brain)
{
return(brain.ChaseTarget.gameObject.activeSelf);
}
public void UpdateState(ref BrainAIComponent brain, ref EcsEntity entity)
{
DoActions(ref brain, ref entity);
CheckTransitions(ref brain);
}
public abstract bool Decide(ref BrainAIComponent brain);
public override bool Decide(ref BrainAIComponent brain)
{
return(Scan(ref brain));
}
bool Scan(ref BrainAIComponent brain)
{
return(brain.IsCheckCountDownElapsed(brain.EnemyStats.SearchDuration));
}
