public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
//Unfortunately this ghost is too good to lose sight of you most of the time, but if you want you can add this to make it harder
//if (agent.TimerComplete() && ObstacleHandler.Instance.AnyIntersect(pacmanLocation,agent.GetPosition()))
if (agent.TimerComplete())
{
return(new CustomTiredChaseState());
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(new CustomChaseState()));
}
//If we didn't return follow Pacman
agent.SetTarget(pacmanLocation);
//Stay in this state
return(this);
}
public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
Vector3 pacmanFacing = PacmanInfo.Instance.Facing;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
if (agent.TimerComplete())
{
return(new ScatterState(new Vector3(-ObstacleHandler.Instance.Width, ObstacleHandler.Instance.Height), this));
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
//If we didn't return follow Pacman
//Debug.Log(pacmanFacing);
Vector3 targetLocation = pacmanLocation + pacmanFacing * 0.8f;
GraphNode g = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(targetLocation);
Vector3 realtargetPosition = g.Location;
agent.SetTarget(realtargetPosition);
//Stay in this state
return(this);
}
public override State Update(FSMAgent agent)
{
//Check and see if we've been eaten, if so become eyes
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
return(new EyesState(returnState));
}
//Check and see if our timer completed, if so return to returnState
if (agent.TimerComplete())
{
return(returnState);
}
//Handle random movement
if (randomTimer < RANDOM_TIMER_MAX)
{
randomTimer += Time.deltaTime;
}
else
{
randomTimer = 0;
agent.SetTarget(new Vector3(Random.RandomRange(-1 * ObstacleHandler.Instance.Width, ObstacleHandler.Instance.Width), Random.RandomRange(-1 * ObstacleHandler.Instance.Height, ObstacleHandler.Instance.Height)));
}
//Stay in this state
return(this);
}
public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
if (agent.TimerComplete())
{
return(new ScatterState(new Vector3(-ObstacleHandler.Instance.Width, -ObstacleHandler.Instance.Height), new CustomHuntState()));
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
if (!ObstacleHandler.Instance.AnyIntersect(pacmanLocation, agent.GetPosition()))
{
return(new CustomExcitedChaseState());
}
//If we didn't return follow Pacman
agent.SetTarget(pacmanLocation);
//Stay in this state
return(this);
}
//Check if we are close enough to start position, if so return to returnState
public override State Update(FSMAgent agent)
{
if (agent.CloseEnough(AgentConstants.GHOST_START_POS))
{
return(returnState);
}
//Stay in this state
return(this);
}
//Upon entering state set timer and calculate scatter positions
public override void EnterState(FSMAgent agent)
{
agent.SetTimer(7f);
GraphNode g = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(scatterPosition);
realScatterPosition = g.Location;
agent.SetTarget(realScatterPosition);
Vector3 innerPosition = Vector3.Lerp(Vector3.zero, realScatterPosition, 0.8f);
realInnerPosition = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(innerPosition + Vector3.left * realScatterPosition.x / 3 + Vector3.down * realScatterPosition.y / 6).Location;
}
void Awake()
{
if( mInstance != null )
{
Debug.LogError( string.Format( "Only one instance of FSMAgent allowed! Destroying:" + gameObject.name +", Other:" + mInstance.gameObject.name ) );
return;
}
mInstance = this;
FSMs = new List<PlayMakerFSM>();
}
public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
Vector3 pacmanFacing = PacmanInfo.Instance.Facing;
Vector3 location, realLocation;
FSMAgent ghost = GhostManager.Instance.GetClosestGhost(pacmanLocation);
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
if (agent.TimerComplete())
{
return(new CustomChaseState());
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
if (!ObstacleHandler.Instance.AnyIntersect(pacmanLocation, agent.GetPosition()))
{
return(new CustomExcitedChaseState());
}
//If we didn't return follow Pacman
if (ghost is CustomGhost)
{
agent.SetTarget(pacmanLocation);
}
else
{
if (pacmanFacing.x != 0)
{
location = ghost.GetPosition() + Vector3.up * 2 * (pacmanLocation.y - ghost.GetPosition().y);
}
else
{
location = ghost.GetPosition() + Vector3.right * 2 * (pacmanLocation.x - ghost.GetPosition().x);
}
GraphNode g = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(location);
realLocation = g.Location;
agent.SetTarget(realLocation);
}
//Stay in this state
return(this);
}
public override void OnEnter(FSMAgent agent, Action callback)
{
base.OnEnter(agent, callback);
if (currentTransform == null)
{
currentIndex = GetNearlyTarget();
currentTransform = patrollerPoints[currentIndex];
}
navmesh.isStopped = false;
navmesh.SetDestination(currentTransform.position);
}
public FSMAgent GetClosestGhost(Vector3 position)
{
float minDist = 1000;
FSMAgent closest = null;
foreach (FSMAgent ghost in ghostsInPlay)
{
float dist = (ghost.GetPosition() - position).sqrMagnitude;
if (dist < minDist)
{
minDist = dist;
closest = ghost;
}
}
return(closest);
}
public override State Update(FSMAgent agent)
{
//Determine if we've killed Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If we're done scattering set up return state
if (agent.TimerComplete())
{
return(returnState);
}
//Handle Pacman eating power pellet and transitioning to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
//Handle scatter state movement logic
if (currHeading == EDGE)
{
if (agent.CloseEnough(realScatterPosition))
{
currHeading = INNER1;
agent.SetTarget(realInnerPosition);
}
}
else if (currHeading == INNER1)
{
if (agent.CloseEnough(realInnerPosition))
{
currHeading = EDGE;
agent.SetTarget(realScatterPosition);
}
}
//Stay in state
return(this);
}
public override State Update(FSMAgent agent)
{
//Check if you killed pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//Check if timer completes and should transition to scatter state
if (agent.TimerComplete())
{
return(new ScatterState(new Vector3(ObstacleHandler.Instance.Width, -1 * ObstacleHandler.Instance.Height), this));
}
//Check if Pacman ate a power pellet and we should become frightened
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
//Handle movement logic
pacmanLocation += PacmanInfo.Instance.Facing * 0.4f;
if (blinky != null)
{
Vector3 relativeVector = pacmanLocation - blinky.GetPosition();
pacmanLocation = blinky.GetPosition() + relativeVector * 2;
}
agent.SetTarget(pacmanLocation);
//Stay in state
return(this);
}
//Upon entering state, set timer to enter Scatter State
public override void EnterState(FSMAgent agent)
{
agent.SetTimer(20f);
}
//Upon entering state, start a timer, set speed modifier to half, and set up animations
public override void EnterState(FSMAgent agent)
{
agent.SetAnimationStateFrightened();
agent.SetSpeedModifierHalf();
agent.SetTimer(12);
}
public override void OnEnter(FSMAgent agent, Action callback)
{
base.OnEnter(agent, callback);
}
public override void ExitState(FSMAgent agent)
{
base.ExitState(agent);
}
//Upon entering state, set timer to enter Scatter State
public override void EnterState(FSMAgent agent)
{
agent.SetTimer(5f);
agent.SetSpeedModifierHalf();
}
//Handle logic on exiting this state
public virtual void ExitState(FSMAgent agent)
{
}
//Upon entering state set up modification, speed change, and set our target
public override void EnterState(FSMAgent agent)
{
agent.SetAnimationStateEyes();
agent.SetSpeedModifierDouble();
agent.SetTarget(AgentConstants.GHOST_START_POS);
}
//Upon entering state, set timer to enter Scatter State
public override void EnterState(FSMAgent agent)
{
agent.SetTimer(2f);
agent.SetSpeedModifierDouble();
}
//Handle each tick of behavior while in this state
public virtual State Update(FSMAgent agent)
{
return(this);
}
public override void ExitState(FSMAgent agent)
{
}
//Upon exiting state reset speed and animation state
public override void ExitState(FSMAgent agent)
{
agent.SetAnimationStateNormal();
agent.SetSpeedModifierNormal();
}
//EnterState Start timer for scatter state and find the blinky ghost if it exists
public override void EnterState(FSMAgent agent)
{
agent.SetTimer(20f);
blinky = GameObject.FindObjectOfType <Blinky>();
}
//Handle logic on entering this state
public virtual void EnterState(FSMAgent agent)
{
}
// Update is called once per frame
void Update()
{
bool runningAway = false;
FSMAgent ghost = GhostManager.Instance.GetClosestGhost(transform.position);
if (ghost != null)
{
Vector3 vecToGhost = ghost.GetPosition() - transform.position;
if (vecToGhost.sqrMagnitude <= 1f)
{
runningAway = true;
//CalculatePath
GraphNode closestStart = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(transform.position);
GraphNode closestGoal = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(transform.position + vecToGhost.normalized * -0.6f + Vector3.right * Random.Range(-0.1f, 0.1f) + Vector3.down * Random.Range(-0.1f, 0.1f));
path = HW3NavigationHandler.Instance.PathFinder.CalculatePath(closestStart, closestGoal);
if (path == null || path.Length < 1)
{
SetTarget(new Vector3(Random.Range(-1 * ObstacleHandler.Instance.Width, ObstacleHandler.Instance.Width), Random.Range(-1 * ObstacleHandler.Instance.Height, ObstacleHandler.Instance.Height)));
}
else
{
pathIndex = 0;
SetTarget(path[pathIndex]);
}
}
}
if (!runningAway)
{
Pellet p = PelletHandler.Instance.GetClosestPellet(transform.position);
if (p != null)
{
Vector3 target = p.transform.position;
//CalculatePath
GraphNode closestStart = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(transform.position);
GraphNode closestGoal = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(target);
path = HW3NavigationHandler.Instance.PathFinder.CalculatePath(closestStart, closestGoal);
if (path == null || path.Length <= 1)
{
SetTarget(target);
}
else
{
pathIndex = 0;
SetTarget(path[pathIndex]);
}
}
else
{
movingTowardTarget = false;
}
}
if (movingTowardTarget)
{
if ((target - transform.position).sqrMagnitude < AgentConstants.THRESHOLD)
{
movingTowardTarget = false;
transform.position = target;
}
else
{
Vector3 potentialNewPosition = transform.position + (target - transform.position).normalized * Time.deltaTime * speed;
if (ObstacleHandler.Instance.AnyIntersect(new Vector2(transform.position.x, transform.position.y), new Vector2(potentialNewPosition.x, potentialNewPosition.y)))
{
movingTowardTarget = false;
}
else
{
transform.position = potentialNewPosition;
}
}
}
}
//Upon entering state, set timer to enter Scatter State
public override void EnterState(FSMAgent agent)
{
agent.SetTimer(10f);
agent.SetSpeedModifierNormal();
}
