protected override void Init(AIBehaviors fsm)
{
fsm.PlayAudio();
aiRenderers = transform.root.GetComponentsInChildren <Renderer> ();
aiColliders = transform.root.GetComponentsInChildren <Collider> ();
foreach (Renderer aiRenderer in aiRenderers)
{
aiRenderer.enabled = false;
}
if (disableColliders)
{
foreach (Collider col in aiColliders)
{
col.enabled = false;
}
}
if (returnToPreviousState && fsm.previousState != null)
{
fsm.ChangeActiveState(fsm.previousState);
}
else
{
fsm.ChangeActiveState(goToState);
}
StartCoroutine(EndInvisibility(fsm));
}
public override void HandleAction(AIBehaviors fsm)
{
// Can we run this state's action again ?
if (CoolDownFinished())
{
if (hasCooldownLimit)
{
if (cooldowns > cooldownLimit)
{
fsm.ChangeActiveState(cooldownLimitExceededState);
return;
}
else
{
cooldowns++;
}
}
base.HandleAction(fsm);
}
else if (switchStateIfStillCoolingDown)
{
fsm.ChangeActiveState(stillCoolingDownState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
if (navMeshAgent == null)
{
if (returnToPreviousState)
{
fsm.ChangeActiveState(fsm.previousState);
}
else
{
fsm.ChangeActiveState(transitionState);
}
return(false);
}
else if (!hasLinkData)
{
OffMeshLinkData offMeshLinkData = navMeshAgent.currentOffMeshLinkData;
startPosition = fsmTransform.position;
endPosition = offMeshLinkData.endPos + AddDistanceToEndPosition(offMeshLinkData);
hasLinkData = true;
navMeshAgentEnabledState = navMeshAgent.enabled;
navMeshAgent.enabled = false;
}
return(true);
}
protected override void Action(AIBehaviors fsm)
{
if (player != null)
{
// Rotate towards the target
fsm.transform.LookAt(new Vector3(player.position.x, transform.position.y, player.position.z));
direction = (fsm.transform.position - player.position).normalized;
direction.y = 0.0f;
targetPosition = player.position + (direction * distance);
// Move back in the opposite direction
if (navMeshAgent != null)
{
navMeshAgent.updateRotation = false; // disable the automatic rotation
fsm.MoveAgent(targetPosition, movementSpeed, 0.0f);
navMeshAgent.updateRotation = true; //when no longer need to step back then go to normal
}
else
{
fsm.transform.Translate(direction * Time.deltaTime * movementSpeed, Space.World);
}
}
// No movement check
if (Time.time > nextCheckHasMovement && !HasMovement(fsm.transform.position))
{
fsm.ChangeActiveState(fsm.previousState);
}
previousPosition = fsm.transform.position;
}
protected virtual void ChangeToTransitionState(AIBehaviors fsm)
{
if (transitionState != null && transitionState.CanSwitchToState())
{
fsm.ChangeActiveState(transitionState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
if (seekTarget == null)
{
GameObject[] seekObjects = GameObject.FindGameObjectsWithTag(seekItemsWithTag);
Vector3 pos = fsm.transform.position;
Vector3 diff;
float nearestItem = Mathf.Infinity;
if (seekObjects == null)
{
fsm.ChangeActiveState(noSeekTargetFoundState);
}
foreach (GameObject go in seekObjects)
{
Transform tfm = go.transform;
float sqrMagnitude;
diff = tfm.position - pos;
sqrMagnitude = diff.sqrMagnitude;
if (sqrMagnitude < nearestItem)
{
seekTarget = tfm;
nearestItem = sqrMagnitude;
}
}
}
else
{
float sqrDist = (fsm.transform.position - seekTarget.position).sqrMagnitude;
if (sqrDist < sqrDistanceToTargetThreshold)
{
if (destroyTargetWhenReached)
{
Destroy(seekTarget.gameObject);
}
fsm.ChangeActiveState(seekTargetReachedState);
return(false);
}
}
return(true);
}
protected override bool Reason(AIBehaviors fsm)
{
if ((fsm.transform.position - targetPosition).magnitude < stopThreshold)
{
fsm.ChangeActiveState(nextState);
return(false);
}
return(true);
}
protected override bool Reason(AIBehaviors fsm)
{
if (Time.time > endStateTime)
{
fsm.ChangeActiveState(changeToState);
return(false);
}
return(true);
}
protected override void ChangeToTransitionState(AIBehaviors fsm)
{
if (transitionState != null && transitionState.CanSwitchToState())
{
(transitionState as SeekState).specifySeekTarget = true;
(transitionState as SeekState).seekTarget = seenPlayer;
fsm.ChangeActiveState(transitionState);
}
}
void HandleTargetReached(AIBehaviors fsm)
{
if (destroyTargetWhenReached)
{
Destroy(seekTarget.gameObject);
}
fsm.ChangeActiveState(seekTargetReachedState);
}
// Change the other FSMs state to the HelpState
private void HelpAnotherFSM(Vector3 helpTargetPosition, AIBehaviors otherFSM)
{
HelpState helpState = null;
helpState = otherFSM.GetState <HelpState>();
if (helpState != null && helpState.CanHelp(otherFSM))
{
helpState.helpPoint = helpTargetPosition;
otherFSM.ChangeActiveState(helpState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
if (Vector3.Distance(fsm.aiTransform.position, helpPoint) < withinHelpPointDistance)
{
if (helpPointReachedState != null)
{
fsm.ChangeActiveState(helpPointReachedState);
return(false);
}
}
return(true);
}
protected virtual void Attack(AIBehaviors fsm, Transform target)
{
scriptWithAttackMethod.SendMessage(methodName, new AttackData(fsm, this, target));
fsm.PlayAudio();
attackCount++;
if (attackCount > attacksBeforeReload)
{
attackCount = 0;
fsm.ChangeActiveState(reloadState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
if (Time.time > endStateTime)
{
if (returnToPreviousState)
{
fsm.ChangeActiveState(fsm.previousState);
}
else if (changeToState != null)
{
fsm.ChangeActiveState(changeToState);
}
else
{
Debug.LogWarning("No state set to change into");
}
return(false);
}
return(true);
}
protected override void ChangeToTransitionState(AIBehaviors fsm)
{
if (transitionState != null && transitionState.CanSwitchToState())
{
if (fsm.previousState is AttackState && transitionState is SeekState)
{
(transitionState as SeekState).specifySeekTarget = true;
(transitionState as SeekState).seekTarget = (fsm.previousState as AttackState).GetLastKnownTarget();
}
fsm.ChangeActiveState(transitionState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
float sqrDist;
// Checks if the flight ended
switch (fleeMode)
{
case FleeMode.NearestTaggedObject:
case FleeMode.FixedTarget:
if (currentTarget != null)
{
sqrDist = (fsm.aiTransform.position - currentTarget.position).sqrMagnitude;
if (sqrDist < sqrDistanceToTargetThreshold)
{
fsm.ChangeActiveState(flightEndedState);
return(false);
}
}
break;
case FleeMode.Direction:
case FleeMode.AwayFromNearestTaggedObject:
Vector3 nearestObjectPosition = fsm.GetClosestPlayer(objectFinder.GetTransforms()).position;
sqrDist = (fsm.aiTransform.position - nearestObjectPosition).sqrMagnitude;
if (sqrDist > sqrStopFleeDistance)
{
fsm.ChangeActiveState(flightEndedState);
return(false);
}
break;
}
return(true);
}
protected override void Action(AIBehaviors fsm)
{
target = GetTarget(fsm);
if (target != null)
{
fsm.RotateAgent(target, rotationSpeed);
HandlePreviousStateMovement(fsm, target);
HandleAttack(fsm, target);
}
else
{
fsm.ChangeActiveState(noTargetState);
}
}
IEnumerator HandleJump(Vector3 startLocation, Vector3 endLocation, AIBehaviors fsm)
{
jumpHeight = GetJumpHeight(startLocation, endLocation);
jumpDuration = GetHeightDuration(jumpHeight);
fallDistance = GetFallDistance(startLocation, endLocation);
fallDuration = GetHeightDuration(fallDistance);
transform.position = startLocation;
StartCoroutine(DoHorizontal(startLocation, endLocation, jumpDuration + fallDuration));
yield return(StartCoroutine(DoJump(startLocation, endLocation, jumpDuration)));
yield return(StartCoroutine(DoFall(startLocation.y + jumpHeight, endLocation, fallDuration)));
fsmTransform.position = endPosition;
if (returnToPreviousState)
{
fsm.ChangeActiveState(fsm.previousState);
}
else
{
fsm.ChangeActiveState(transitionState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
if (currentTarget != null)
{
float sqrDist = (fsm.transform.position - currentTarget.position).sqrMagnitude;
if (sqrDist < sqrDistanceToTargetThreshold)
{
fsm.ChangeActiveState(fleeTargetReachedState);
return(false);
}
}
return(true);
}
protected override void Action(AIBehaviors fsm)
{
if (seekTarget != null)
{
targetPosition = GetNextMovement(fsm) + GetEncircleOffset();
fsm.MoveAgent(targetPosition, movementSpeed, rotationSpeed);
if (Time.time > nextCheckHasMovement && !HasMovement(fsm.transform.position))
{
fsm.ChangeActiveState(noMovementState);
}
}
previousPosition = fsm.transform.position;
}
protected override bool Reason(AIBehaviors fsm)
{
if (patrolMode == PatrolMode.Once)
{
// Is the patrol ended?
if (currentPatrolPoint >= patrolPoints.Length)
{
currentPatrolPoint = 0;
fsm.ChangeActiveState(patrolEndedState);
return(false);
}
}
return(true);
}
protected override void Action(AIBehaviors fsm)
{
if (seekTarget != null)
{
targetPosition = GetNextMovement(fsm);
if (HasMovement(fsm.transform.position))
{
fsm.MoveAgent(targetPosition, movementSpeed, rotationSpeed);
}
else
{
fsm.ChangeActiveState(noMovementState);
}
}
previousPosition = fsm.transform.position;
}
protected override IEnumerator ChangeStateWhenAnimationFinished(AIBehaviors fsm)
{
BaseState currentAttackState = fsm.currentState;
AnimatorStateInfo stateInfo;
float curNormalizedTime;
do
{
yield return(null);
stateInfo = animator.GetCurrentAnimatorStateInfo(mecanimLayerIndex);
curNormalizedTime = stateInfo.normalizedTime % 1.0f;
}while (curNormalizedTime < 0.95f || curNormalizedTime < attackPoint);
if (fsm.currentState == currentAttackState) // Check if the state hasn't changed for some reason
{
fsm.ChangeActiveState(reloadState);
}
}
protected override bool Reason(AIBehaviors fsm)
{
if (seekTarget == null)
{
Transform[] seekTfms = objectFinder.GetTransforms();
Vector3 pos = fsm.transform.position;
Vector3 diff;
float nearestItem = Mathf.Infinity;
if (seekTfms == null)
{
fsm.ChangeActiveState(noSeekTargetFoundState);
}
foreach (Transform tfm in seekTfms)
{
float sqrMagnitude;
diff = tfm.position - pos;
sqrMagnitude = diff.sqrMagnitude;
if (sqrMagnitude < nearestItem)
{
seekTarget = tfm;
nearestItem = sqrMagnitude;
targetPosition = seekTarget.position;
}
}
}
else
{
float sqrDist = (fsm.transform.position - targetPosition).sqrMagnitude;
if (sqrDist < sqrDistanceToTargetThreshold)
{
HandleTargetReached(fsm);
return(false);
}
}
return(true);
}
protected virtual IEnumerator ChangeStateWhenAnimationFinished(AIBehaviors fsm)
{
BaseState currentAttackState = fsm.currentState;
string animationName = animationStates[0].name;
if (attackAnimation != null && attackAnimation[animationName] != null)
{
do
{
yield return(null);
curAnimPosition = attackAnimation [animationName].normalizedTime % 1.0f;
}while (curAnimPosition < 0.95f || curAnimPosition < attackPoint);
}
if (fsm.currentState == currentAttackState) // Check if the state hasn't changed for some reason
{
fsm.ChangeActiveState(reloadState);
}
}
bool InitCooldown(AIBehaviors fsm)
{
cooldowns = 0;
if (initResetsCooldown)
{
cooledDownTime = 0.0f;
}
else if (switchStateIfStillCoolingDown && !CoolDownFinished())
{
if (stillCoolingDownState == this)
{
Debug.LogWarning("Switching back to the same state when a cooldown isn't finished would lock up the system, choose another state other than '" + name + "' in the state '" + name + "'");
}
else
{
fsm.ChangeActiveState(stillCoolingDownState);
return(false);
}
}
return(true);
}
protected override void Action(AIBehaviors fsm)
{
//playerSystem.PerformAction();
lastKnownTarget = GetTarget(fsm);
if (target != null)
{
if (counterattackMode == CounterattackMode.Active)
{
HandlePreviousStateMovement(fsm, target);
}
fsm.RotateAgent(target, rotationSpeed);
if (!goingToReload)
{
float sqrDistanceThreshold = attackRange * attackRange;
Vector3 targetDir = target.transform.position - fsm.transform.position;
if (targetDir.sqrMagnitude < sqrDistanceThreshold)
{
HandleAttack(fsm, target);
}
}
}
else
{
target = lastKnownTarget;
if (target == null)
{
fsm.ChangeActiveState(noTargetState);
}
}
//Vector3 targetDir = target.transform.position - fsm.transform.position;
//Debug.Log("targetDir:" + targetDir.sqrMagnitude);
//currentAttackState = playerSystem.attack_state.CurrentState;
}
protected override void ChangeToTransitionState(AIBehaviors fsm)
{
fsm.ChangeActiveState(result);
}
protected virtual void ChangeToTransitionState(AIBehaviors fsm)
{
fsm.ChangeActiveState(transitionState);
}