/// <summary>
/// Listen for a character.
/// </summary>
virtual protected bool Hear()
{
Character character = null;
ICharacterReference characterRef = null;
if (hearingRadius > 0.0f)
{
Vector2 offset = (Vector2)transform.position + (FacingDirection == -1 ? new Vector2(-hearingOffset.x, hearingOffset.y) : hearingOffset);
int hits = Physics2D.OverlapCircleNonAlloc(offset, hearingRadius, proximityColliders, hearingLayers);
if (hits > 0)
{
// Always pick first target in list
characterRef = (ICharacterReference)proximityColliders[0].gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = proximityColliders[0].gameObject.GetComponent <Character>();
}
else
{
character = characterRef.Character;
}
currentTarget = character;
currentTargetHealth = character.GetComponent <CharacterHealth>();
return(true);
}
}
return(false);
}
/// <summary>
/// The sense routine used to detect when something changes. In this
/// case cast a ray from the transform in the facing direction to look for the player.
/// </summary>
override public bool Sense()
{
if (hideStateTimer <= 0.0f)
{
RaycastHit2D hit = Physics2D.Raycast(myTransform.position + offset, new Vector3(enemy.LastFacedDirection, 0, 0), sightDistance, sightLayers);
if (hit.collider != null)
{
Character character = null;
ICharacterReference characterRef = (ICharacterReference)hit.collider.gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = hit.collider.gameObject.GetComponent <Character>();
}
else
{
character = characterRef.Character;
}
if (character != null)
{
shootStateTimer = shootStateTime;
CurrentTarget = character;
return(true);
}
}
}
CurrentTarget = null;
return(false);
}
/// <summary>
/// Look for a character.
/// </summary>
virtual protected bool See()
{
Character character = null;
ICharacterReference characterRef = null;
if (sightDistance > 0.0f)
{
Vector3 offset = new Vector3(0, sightYOffset, 0);
RaycastHit2D hit = Physics2D.Raycast(myTransform.position + offset, new Vector3(LastFacedDirection, 0, 0), sightDistance, sightLayers);
if (hit.collider != null)
{
characterRef = (ICharacterReference)hit.collider.gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = hit.collider.gameObject.GetComponent <Character>();
}
else
{
character = characterRef.Character;
}
if (character != null)
{
currentTarget = character;
currentTargetHealth = character.GetComponent <CharacterHealth>();
return(true);
}
}
}
return(false);
}
/// <summary>
/// Check if the collection is valid (in this case by checking if its a character colliding).
/// </summary>
/// <param name="other">Other.</param>
virtual protected void CheckCollect(Collider2D other)
{
ICharacterReference collectBox = (ICharacterReference)other.gameObject.GetComponent(typeof(ICharacterReference));
// Got a collect box and its not ourselves
if (collectBox != null && !hasHitCharacter)
{
hasHitCharacter = true;
DoCollect(collectBox.Character);
}
}
/// <summary>
/// The sense routine used to detect when something changes. In this
/// case cast a ray from the transform in the facing direction to look for the player. And cast a
/// circle from the circle offset to "sense" the player.
/// </summary>
override public bool Sense()
{
Character character = null;
ICharacterReference characterRef = null;
if (sightDistance > 0.0f)
{
RaycastHit2D hit = Physics2D.Raycast(myTransform.position + offset, new Vector3(enemy.LastFacedDirection, 0, 0), sightDistance, sightLayers);
if (hit.collider != null)
{
characterRef = (ICharacterReference)hit.collider.gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = hit.collider.gameObject.GetComponent <Character>();
}
else
{
character = characterRef.Character;
}
if (character != null)
{
shootStateTimer = shootStateTime;
CurrentTarget = character;
return(true);
}
}
}
if (senseRadius > 0.0f)
{
Vector2 offset = (Vector2)transform.position + (enemy.FacingDirection == -1 ? new Vector2(-senseOffset.x, senseOffset.y) : senseOffset);
int hits = Physics2D.OverlapCircleNonAlloc(offset, senseRadius, proximityColliders, senseLayers);
if (hits > 0)
{
// Always pick first target in list
characterRef = (ICharacterReference)proximityColliders[0].gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = proximityColliders[0].gameObject.GetComponent <Character>();
}
else
{
character = characterRef.Character;
}
CurrentTarget = character;
shootStateTimer = shootStateTime;
return(true);
}
}
CurrentTarget = null;
return(false);
}
/// <summary>
/// Calls a delegate method on each descendant sprite in this sprite.
/// </summary>
/// <param name="sp"></param>
public void SpriteProc(SpriteProcessor sp)
{
foreach (Frame f in FrameList)
{
foreach (IDisplayListItem dli in f.DisplayList)
{
ICharacterReference cr = dli as ICharacterReference;
if (cr != null)
{
Sprite child = cr.Character as Sprite;
if (child != null)
{
sp(child);
child.SpriteProc(sp);
}
}
}
}
}
private ListSet <ICharacterReference> PopulateCharacterRefList(ListSet <ICharacterReference> refs)
{
foreach (Frame f in FrameList)
{
foreach (IDisplayListItem dli in f.DisplayList)
{
if (dli is ICharacterReference)
{
ICharacterReference cr = (ICharacterReference)dli;
refs.Add(cr);
if (cr.Character is Sprite && !refs.Contains(cr))
{
((Sprite)cr.Character).PopulateCharacterRefList(refs);
}
}
}
}
return(refs);
}
/// <summary>
/// Checks for the player and updates state.
/// </summary>
virtual protected void CheckForPlayer()
{
RaycastHit2D hit = Physics2D.Raycast(transform.position, new Vector3(0, 1, 0), sightRange, sightLayers);
if (hit.collider != null)
{
Character character = null;
ICharacterReference characterRef = (ICharacterReference)hit.collider.gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = hit.collider.gameObject.GetComponent <Character> ();
}
else
{
character = characterRef.Character;
}
if (character != null)
{
if (state == SnapperState.IDLE || !mustFullyRetract)
{
state = SnapperState.CHARGING;
}
}
else
{
if (state == SnapperState.CHARGING && enemy.transform.position.y >= endingYPos)
{
state = SnapperState.RETRACTING;
}
}
}
else
{
if (state == SnapperState.CHARGING && enemy.transform.position.y >= endingYPos)
{
state = SnapperState.RETRACTING;
}
}
}