private IEnumerator MakeAttack(WanderScript target)
{
target.GetAttacked(this);
float timer = 0f;
while (!target.dead)
{
timer += Time.deltaTime;
if (timer > attackSpeed)
{
target.TakeDamage(power);
timer = 0f;
}
yield return(null);
}
if (!string.IsNullOrEmpty(attackingStates[currentState].animationBool))
{
animator.SetBool(attackingStates[currentState].animationBool, false);
}
DecideNextState(false);
}
private void ChaseAnimal(WanderScript prey)
{
Vector3 target = prey.transform.position;
prey.BeginChase(this);
int fastestMovementState = 0;
for (int i = 0; i < movementStates.Length; i++)
{
if (movementStates[i].moveSpeed > movementStates[fastestMovementState].moveSpeed)
{
fastestMovementState = i;
}
}
currentState = fastestMovementState;
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, true);
}
if (useNavMesh)
{
StartCoroutine(ChaseState(prey));
}
else
{
StartCoroutine(NonNavMeshChaseState(prey));
}
}
private void AttackAnimal(WanderScript target)
{
attacking = true;
if (logChanges)
{
Debug.Log(string.Format("{0}: Attacking {1}!", gameObject.name, target.gameObject.name));
}
if (useNavMesh)
{
navMeshAgent.SetDestination(transform.position);
}
else
{
targetLocation = transform.position;
}
if (attackingStates.Length > 0)
{
currentState = Random.Range(0, attackingStates.Length);
if (!string.IsNullOrEmpty(attackingStates[currentState].animationBool))
{
animator.SetBool(attackingStates[currentState].animationBool, true);
}
}
StartCoroutine(MakeAttack(target));
}
private void NonNavMeshRunAwayFromAnimal(WanderScript predator)
{
moving = true;
Quaternion startRotation = transform.rotation;
transform.rotation = Quaternion.LookRotation(transform.position - predator.transform.position);
targetLocation = transform.position + transform.forward * 5f;
transform.rotation = startRotation;
if (constainedToWanderZone && Vector3.Distance(targetLocation, origin) > wanderZone)
{
targetLocation = RandonPointInRange();
}
int fastestMovementState = 0;
for (int i = 0; i < movementStates.Length; i++)
{
if (movementStates[i].moveSpeed > movementStates[fastestMovementState].moveSpeed)
{
fastestMovementState = i;
}
}
currentState = fastestMovementState;
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, true);
}
StartCoroutine(NonNavMeshRunAwayState(targetLocation, predator));
}
private IEnumerator RunAwayState(Vector3 target, WanderScript predator)
{
navMeshAgent.speed = movementStates[currentState].moveSpeed;
navMeshAgent.angularSpeed = movementStates[currentState].turnSpeed;
navMeshAgent.SetDestination(target);
float timeMoving = 0f;
while ((navMeshAgent.remainingDistance > navMeshAgent.stoppingDistance || timeMoving < 0.1f) && timeMoving < stamina)
{
timeMoving += Time.deltaTime;
yield return(null);
}
navMeshAgent.SetDestination(transform.position);
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
if (timeMoving > stamina || predator.dead || Vector3.Distance(transform.position, predator.transform.position) > awareness)
{
BeginIdleState();
}
else
{
RunAwayFromAnimal(predator);
}
}
private IEnumerator ChaseState(WanderScript prey)
{
moving = true;
navMeshAgent.speed = movementStates[currentState].moveSpeed;
navMeshAgent.angularSpeed = movementStates[currentState].turnSpeed;
navMeshAgent.SetDestination(prey.transform.position);
float timeMoving = 0f;
bool gotAway = false;
while ((navMeshAgent.remainingDistance > navMeshAgent.stoppingDistance || timeMoving < 0.1f) && timeMoving < stamina)
{
navMeshAgent.SetDestination(prey.transform.position);
timeMoving += Time.deltaTime;
if (Vector3.Distance(transform.position, prey.transform.position) < 2f)
{
if (logChanges)
{
Debug.Log(string.Format("{0}: Caught prey ({1})!", gameObject.name, prey.gameObject.name));
}
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
AttackAnimal(prey);
yield break;
}
if (constainedToWanderZone && Vector3.Distance(transform.position, origin) > wanderZone)
{
gotAway = true;
navMeshAgent.SetDestination(transform.position);
break;
}
yield return(null);
}
navMeshAgent.SetDestination(transform.position);
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
if (timeMoving > stamina || prey.dead || Vector3.Distance(transform.position, prey.transform.position) > scent || gotAway)
{
BeginIdleState();
}
else
{
ChaseAnimal(prey);
}
}
private void BeginChase(WanderScript chasingAnimal)
{
if (attacking)
{
return;
}
StartCoroutine(ChaseCheck(chasingAnimal));
}
private void GetAttacked(WanderScript attacker)
{
if (attacking)
{
return;
}
if (logChanges)
{
Debug.Log(string.Format("{0}: Getting attacked by {1}!", gameObject.name, attacker.gameObject.name));
}
StopAllCoroutines();
StartCoroutine(TurnToLookAtTarget(attacker.transform));
if (ScriptableAnimalStats.agression > 0)
{
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
AttackAnimal(attacker);
}
else
{
if (moving)
{
if (useNavMesh)
{
navMeshAgent.SetDestination(transform.position);
}
else
{
targetLocation = transform.position;
}
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
moving = false;
}
else
{
if (currentState < idleStates.Length && idleStates.Length > 0 && !string.IsNullOrEmpty(idleStates[currentState].animationBool))
{
animator.SetBool(idleStates[currentState].animationBool, false);
}
else
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
}
}
}
private IEnumerator ChaseCheck(WanderScript chasingAnimal)
{
while (Vector3.Distance(transform.position, chasingAnimal.transform.position) > awareness)
{
yield return(new WaitForSeconds(0.5f));
}
StopAllCoroutines();
if (moving)
{
if (useNavMesh)
{
navMeshAgent.SetDestination(transform.position);
}
else
{
targetLocation = transform.position;
}
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
moving = false;
}
else
{
if (currentState < idleStates.Length && idleStates.Length > 0 && !string.IsNullOrEmpty(idleStates[currentState].animationBool))
{
animator.SetBool(idleStates[currentState].animationBool, false);
}
else
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
}
// BUG FIX - 这里频繁调用，在SpatialOS下，可能会导致堆栈溢出。Aug.1.2019. Liu Gang.
//DecideNextState(false);
}
private IEnumerator NonNavMeshRunAwayState(Vector3 target, WanderScript predator)
{
currentTurnSpeed = movementStates[currentState].turnSpeed;
float walkTime = 0f;
float timeUntilAbortWalk = Vector3.Distance(transform.position, target) / movementStates[currentState].moveSpeed;
float currentStamina = stamina;
while (Vector3.Distance(transform.position, target) > contingencyDistance && walkTime < timeUntilAbortWalk && stamina > 0)
{
characterController.SimpleMove(transform.TransformDirection(Vector3.forward) * movementStates[currentState].moveSpeed);
Vector3 relativePos = target - transform.position;
Quaternion rotation = Quaternion.LookRotation(relativePos);
transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * (currentTurnSpeed / 10));
currentTurnSpeed += Time.deltaTime;
walkTime += Time.deltaTime;
stamina -= Time.deltaTime;
yield return(null);
}
targetLocation = Vector3.zero;
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
if (stamina <= 0 || predator.dead || Vector3.Distance(transform.position, predator.transform.position) > awareness)
{
BeginIdleState();
}
else
{
NonNavMeshRunAwayFromAnimal(predator);
}
}
private void RunAwayFromAnimal(WanderScript predator)
{
moving = true;
Quaternion startRotation = transform.rotation;
transform.rotation = Quaternion.LookRotation(transform.position - predator.transform.position);
Vector3 areaAwayFromPredator = transform.position + transform.forward * 5f;
NavMeshHit hit;
NavMesh.SamplePosition(areaAwayFromPredator, out hit, 5, 1 << NavMesh.GetAreaFromName("Walkable"));
Vector3 target = hit.position;
transform.rotation = startRotation;
if (constainedToWanderZone && Vector3.Distance(target, origin) > wanderZone)
{
target = RandonPointInRange();
}
int fastestMovementState = 0;
for (int i = 0; i < movementStates.Length; i++)
{
if (movementStates[i].moveSpeed > movementStates[fastestMovementState].moveSpeed)
{
fastestMovementState = i;
}
}
currentState = fastestMovementState;
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, true);
}
StartCoroutine(RunAwayState(target, predator));
}
private IEnumerator NonNavMeshChaseState(WanderScript prey)
{
moving = true;
targetLocation = prey.transform.position;
currentTurnSpeed = movementStates[currentState].turnSpeed;
float walkTime = 0f;
bool gotAway = false;
float timeUntilAbortWalk = Vector3.Distance(transform.position, targetLocation) / movementStates[currentState].moveSpeed;
float currentStamina = stamina;
while (Vector3.Distance(transform.position, targetLocation) > contingencyDistance && walkTime < timeUntilAbortWalk && stamina > 0)
{
characterController.SimpleMove(transform.TransformDirection(Vector3.forward) * movementStates[currentState].moveSpeed);
targetLocation = prey.transform.position;
Vector3 relativePos = targetLocation - transform.position;
Quaternion rotation = Quaternion.LookRotation(relativePos);
transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * (currentTurnSpeed / 10));
currentTurnSpeed += Time.deltaTime;
walkTime += Time.deltaTime;
stamina -= Time.deltaTime;
if (Vector3.Distance(transform.position, prey.transform.position) < 2f)
{
if (logChanges)
{
Debug.Log(string.Format("{0}: Caught prey ({1})!", gameObject.name, prey.gameObject.name));
}
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
AttackAnimal(prey);
yield break;
}
if (constainedToWanderZone && Vector3.Distance(transform.position, origin) > wanderZone)
{
gotAway = true;
targetLocation = transform.position;
break;
}
yield return(null);
}
targetLocation = Vector3.zero;
if (!string.IsNullOrEmpty(movementStates[currentState].animationBool))
{
animator.SetBool(movementStates[currentState].animationBool, false);
}
if (stamina <= 0 || prey.dead || Vector3.Distance(transform.position, prey.transform.position) > scent || gotAway)
{
BeginIdleState();
}
else
{
ChaseAnimal(prey);
}
}
