/// <summary>
/// Add the specified targetable.
/// Performs some checks to make sure the targetable is valid for the Area.
/// </summary>
/// <param name='targetable'>
/// If set to <c>true</c> targetable.
/// </param>
public void Add(Targetable targetable)
{
// Get a target struct which will also cache information, such as the Transfrom,
// GameObject and ITargetable component
// Note this uses the targetable overload which has no component lookups so this
// is light.
var target = new Target(targetable, this.targetTracker);
// Run the main Add overload.
this.Add(target);
}
// Init by copy
public Target(Target otherTarget)
{
this.gameObject = otherTarget.gameObject;
this.transform = otherTarget.transform;
this.targetable = otherTarget.targetable;
this.targetTracker = otherTarget.targetTracker;
this.fireController = otherTarget.fireController;
this.eventTrigger = otherTarget.eventTrigger;
this.collider = otherTarget.collider;
this.collider2D = otherTarget.collider2D;
}
/// <summary>
/// Use like List<Targetable>.Remove to remove the passed targetable from the ignore
/// list and add it to the TargetTracker
/// </summary>
/// <param name='targetable'>
/// Targetable.
/// </param>
public void Remove(Targetable targetable)
{
if (targetable == null)
{
return;
}
// Does nothing if there is nothing to remove.
this._ignoreList.Remove(targetable);
// Don't affect the TargetTracker if this is disabled. If disabled, all
// are added back to the Area anyway and OnEnable only Remove is done.
if (this.enabled && this.tracker.area != null)
{
// The TargetTracker will handle preventing multiples from being added
this.tracker.area.Add(targetable);
}
}
/// <summary>
/// Uses a physics test based on the largest bounds dimension to see if the targetable's
/// collider is in range of this Area.
/// This has to use the largest dimension for non-uniform sized colliders. It avoids
/// situations where the object is inside but not added. the check is still a radius
/// though, so a long object that is oriented in a way that doesn't cross in to the
/// Area will still return true.
/// </summary>
/// <returns>
/// <param name='targetable'>
/// Targetable.
/// </param>
public bool IsInRange(Targetable targetable)
{
if (this.coll != null)
{
Vector3 size = this.coll.bounds.size;
float testSize = Mathf.Max(Mathf.Max(size.x, size.y), size.z);
var colls = new List <Collider>(Physics.OverlapSphere(this.transform.position, testSize));
return(colls.Contains(this.coll));
}
else if (this.coll2D != null)
{
var coll2Ds = new List <Collider2D>();
var box2d = this.coll2D as BoxCollider2D;
if (box2d != null)
{
var pos2D = new Vector2(this.transform.position.x, this.transform.position.y);
Vector2 worldPos2D = box2d.offset + pos2D;
Vector2 extents = box2d.size * 0.5f;
var pntA = worldPos2D + extents;
var pntB = worldPos2D - extents;
coll2Ds.AddRange(Physics2D.OverlapAreaAll(pntA, pntB));
}
else
{
var circ2D = this.coll2D as CircleCollider2D;
if (circ2D != null)
{
coll2Ds.AddRange
(
Physics2D.OverlapCircleAll(this.transform.position, circ2D.radius * 2)
);
}
}
return(coll2Ds.Contains(this.coll2D));
}
Debug.Log("IsInRange returning false due to no collider set. This may be fine.");
return(false);
}
/// <summary>
/// Use like List<Targetable>.Add() to add the passed targetable to the ignore
/// list and remove it from the TargetTracker
/// </summary>
/// <param name='targetable'>
/// Targetable.
/// </param>
public void Add(Targetable targetable)
{
if (targetable == null)
{
return;
}
// Only add this once.
if (!this._ignoreList.Contains(targetable))
{
this._ignoreList.Add(targetable);
}
// Don't affect the TargetTracker if this is disabled. It will sync OnEnable
if (this.enabled &&
this.tracker != null &&
this.tracker.area != null &&
targetable.trackers.Contains(this.tracker))
{
// Removing multiple times doesn't hurt and lets the inspector use this.
this.tracker.area.Remove(targetable);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PoolUtil.Target"/> struct.
/// This is the most efficient constructor because it just stores references to
/// caches that the Targetable already holds.
/// </summary>
/// <param name='targetable'>
/// Targetable.
/// </param>
/// <param name='targetTracker'>
/// Target tracker that detected the targetable.
/// </param>
public Target(Targetable targetable, TargetTracker targetTracker)
{
this.gameObject = targetable.go;
this.transform = targetable.transform;
this.targetable = targetable;
this.targetTracker = targetTracker;
// The targetTracker arg could also be serived type. If it is. populate more.
// Also handle colliders to make the struct easier to use when trying to figure
// out what collider triggered the OnHit event.
this.eventTrigger = null;
this.collider = null;
this.collider2D = null;
this.eventTrigger = targetTracker as EventTrigger;
if (this.eventTrigger != null)
{
this.collider = this.eventTrigger.coll;
this.collider2D = this.eventTrigger.coll2D;
}
this.fireController = null;
}
/// <summary>
/// Remove a Targetable
/// </summary>
/// <param name="xform">The transform component of the target to remove</param>
/// <returns>True if somethign was removed</returns>
public bool Remove(Targetable targetable)
{
return(this.Remove(new Target(targetable, this.targetTracker)));
}