public void SetAIState(GhostAIState state)
{
_ai.SetAIState(state);
this.AIstate = state;
_pointGoal = null;
_pathList = null;
}
private void OnCollisionEnter2D(Collision2D collision)
{
if (collision.gameObject.CompareTag("Player") &&
(aiState == GhostAIState.FRIGHTENED || aiState == GhostAIState.FRIGHTENED_FINISHING))
{
aiState = GhostAIState.EATEN;
gameObject.layer = 11;
gameState.score += 200;
}
}
public void Start()
{
GameObject ghostBody = transform.Find(Tags.GhostBody).gameObject;
bodyRenderer = ghostBody.GetComponent <Renderer>();
chaseMaterial = bodyRenderer.materials[0];
frightenedMaterial = bodyRenderer.materials[1];
materialIndex = 0;
ai = GetComponent <GhostAI>();
lastState = GhostAIState.Chase;
}
// Start is called before the first frame update
void Start()
{
rb = gameObject.GetComponent <Rigidbody2D>();
animator = gameObject.GetComponent <Animator>();
targetProvider = gameObject.GetComponent <TargetProvider>();
rb.gravityScale = 0.0f;
rb.constraints = RigidbodyConstraints2D.FreezeRotation;
Physics2D.IgnoreLayerCollision(13, 9);
Physics2D.IgnoreLayerCollision(10, 10);
Physics2D.IgnoreLayerCollision(10, 11);
Physics2D.IgnoreLayerCollision(11, 11);
Physics2D.IgnoreLayerCollision(11, 9);
Physics2D.IgnoreLayerCollision(10, 13);
aiState = GhostAIState.SCATTER;
}
protected override void setAnimationState()
{
GhostWalker ghost = walker as GhostWalker;
if (ghost.chase())
{
if (lastState == GhostAIState.Frightened || lastState == GhostAIState.Dead)
{
setMaterial(0);
}
lastState = GhostAIState.Chase;
}
if (ghost.scatter())
{
if (lastState == GhostAIState.Frightened || lastState == GhostAIState.Dead)
{
setMaterial(0);
}
lastState = GhostAIState.Scatter;
}
if (ghost.frightened())
{
if (lastState != GhostAIState.Frightened)
{
setMaterial(1);
}
else
{
// 5 flashes
double t = ai.remainingFrightenedTime;
if (t <= 1.5)
{
setMaterial((int)(t / 0.15) % 2 == 0 ? 1 : 0);
}
}
lastState = GhostAIState.Frightened;
}
if (ghost.dead())
{
if (lastState != GhostAIState.Dead)
{
bodyRenderer.enabled = false;
GameObject.FindGameObjectWithTag("Pacman").GetComponent <PacmanSounds> ().ghostEaten();
}
lastState = GhostAIState.Dead;
}
}
public float ghostSpeedMultiplier(GhostAIState ghostState)
{
if (ghostState != GhostAIState.Dead)
{
if (_currentScene == Tags.Scene01)
{
return(ghostState == GhostAIState.Frightened ? .4f : .75f);
}
if (_currentScene == Tags.Scene02)
{
return(ghostState == GhostAIState.Frightened ? .45f : .85f);
}
if (_currentScene == Tags.Scene04 || _currentScene == Tags.Scene05)
{
return(ghostState == GhostAIState.Frightened ? .5f : .95f);
}
}
return(1f);
}
public Point GetNextMoveGoal(Point ghostPosition, Point playerPosition)
{
if (_AIState == GhostAIState.TargetingWithLag && _AIrefreshCount > 9)
{
_AIrefreshCount = 0;
GetNewPath(ghostPosition, playerPosition);
}
if (_pathList == null || _pathList.Count == 0)
{
GetNewPath(ghostPosition, playerPosition);
}
if (_pathList != null && _pathList.Count > 0)
{
_AIrefreshCount++;
if (_pathList.Count == 1 && _AIState == GhostAIState.Fleeing)
{
_AIState = GhostAIState.Random;
GetNewPath(ghostPosition, playerPosition);
}
return(_pathList.Pop());
}
return(ghostPosition);
}
public void SetAIState(GhostAIState state)
{
_AIState = state;
_pathList = null;
}
public void OnAction(Entity entity)
{
if ((entity.Mask & MASK) == MASK)
{
ComponentMovement movementComponent = (ComponentMovement)entity.FindComponent(ComponentTypes.COMPONENT_MOVEMENT);
ComponentAIGhost aiComponent = (ComponentAIGhost)entity.FindComponent(ComponentTypes.COMPONENT_AI_GHOST);
string targetID = aiComponent.Target;
//get the target location
Entity target = entityManager.FindEntity(targetID);
if (target != null && target.HasComponent(ComponentTypes.COMPONENT_TRANSFORM))
{
ComponentTransform transformComponent = (ComponentTransform)entity.FindComponent(ComponentTypes.COMPONENT_TRANSFORM);
ComponentTransform targetTransform = (ComponentTransform)target.FindComponent(ComponentTypes.COMPONENT_TRANSFORM);
Vector3 ghostPosition = transformComponent.Position;
Vector3 targetPosition = targetTransform.Position;
//get direction between entity and target
Vector3 direction = targetPosition - ghostPosition;
direction.Y = 0;
if (direction.Length != 0)
{
direction.Normalize();
}
//set direction to max speed of ghost
if (movementComponent.HasMaxSpeed)
{
direction *= movementComponent.MaxSpeed;
}
//set velocity
if (state == GhostAIState.Chasing)
{
movementComponent.Velocity = direction;
}
else if (state == GhostAIState.Fleeing)
{
movementComponent.Velocity = -direction;
}
else if (state == GhostAIState.Dead)
{
//stay still for a time
TimeSpan timeSinceDeath = DateTime.Now - aiComponent.DeathTime;
if (timeSinceDeath.Seconds >= 5)
{
state = GhostAIState.Chasing;
}
else
{
movementComponent.Velocity = new Vector3(0, 0, 0);
}
}
}
else
{
movementComponent.Velocity = new Vector3(0, 0, 0);
}
}
}
public SystemGhostAI(EntityManager pEntityManager)
{
entityManager = pEntityManager;
state = GhostAIState.Chasing;
}
