/// <summary>
/// Remove an object from the list explicitly.
/// This works even if the object is still in range, effectivley hiding it from the
/// perimiter.
/// </summary>
/// <param name="target">The Target to remove</param>
/// <returns>True if somethign was removed</returns>
public bool Remove(Target target)
{
// Quit if nothing was removed
if (!this.targets.Remove(target))
{
return(false);
}
// Silence errors on game exit / unload clean-up
if (target.transform == null || this.transform == null || this.transform.parent == null)
{
return(false);
}
#if UNITY_EDITOR
if (this.targetTracker.debugLevel > DEBUG_LEVELS.Off) // If on at all
{
Debug.Log(string.Format
(
"{0} : Target Removed - {1}",
this.targetTracker,
target.targetable
));
}
#endif
// Trigger the delegate execution for this event
if (this.targetTracker.onNotDetectedDelegates != null)
{
this.targetTracker.onNotDetectedDelegates(this.targetTracker, target);
}
target.targetable.OnNotDetected(this.targetTracker);
// Trigger target update: Sorting, filtering, events.
// This uses AddRange internally to copy the targets so '=' is safe
this.targetTracker.targets = this.targets;
return(true);
}
protected void FilterTrackerTargetList(TargetTracker source, TargetList targets)
{
// Quit if the mask is set to nothing == OFF
if (this.targetTrackerLayerMask.value == 0)
{
return;
}
Vector3 fromPos;
if (this.tracker.area != null)
{
fromPos = this.tracker.area.transform.position;
}
else
{
fromPos = this.tracker.transform.position;
}
LayerMask mask = this.targetTrackerLayerMask;
this.FilterTargetList(targets, mask, fromPos, Color.red);
}
protected void FilterFireTargetList(TargetList targets)
{
// Quit if the mask is set to nothing == OFF
if (this.fireControllerLayerMask.value == 0)
{
return;
}
Vector3 fromPos;
if (this.fireCtrl.spawnEventTriggerAtTransform != null)
{
fromPos = this.fireCtrl.spawnEventTriggerAtTransform.position;
}
else
{
fromPos = this.fireCtrl.transform.position;
}
LayerMask mask = this.fireControllerLayerMask;
this.FilterTargetList(targets, mask, fromPos, Color.yellow);
}
public TargetList(TargetList targetList) : base(targetList)
{
}
protected void FilterTargetList(TargetList targets, LayerMask mask, Vector3 fromPos,
Color debugLineColor)
{
#if UNITY_EDITOR
var debugRemoveNames = new List <string>();
#endif
Vector3 toPos;
bool isNotLOS;
var iterTargets = new List <Target>(targets);
Collider2D targetColl2D;
Collider targetColl;
Vector3 ext;
bool use2d;
foreach (Target target in iterTargets)
{
use2d = target.targetable.coll2D != null;
isNotLOS = false;
if (this.testMode == TEST_MODE.BoundingBox)
{
if (use2d)
{
targetColl2D = target.targetable.coll2D;
ext = targetColl2D.bounds.extents * 0.5f;
}
else
{
targetColl = target.targetable.coll;
ext = targetColl.bounds.extents * 0.5f;
}
// This solution works with rotation pretty well
Matrix4x4 mtx = target.targetable.transform.localToWorldMatrix;
var bboxPnts = new Vector3[8];
bboxPnts[0] = mtx.MultiplyPoint3x4(ext);
bboxPnts[1] = mtx.MultiplyPoint3x4(new Vector3(-ext.x, ext.y, ext.z));
bboxPnts[2] = mtx.MultiplyPoint3x4(new Vector3(ext.x, ext.y, -ext.z));
bboxPnts[3] = mtx.MultiplyPoint3x4(new Vector3(-ext.x, ext.y, -ext.z));
bboxPnts[4] = mtx.MultiplyPoint3x4(new Vector3(ext.x, -ext.y, ext.z));
bboxPnts[5] = mtx.MultiplyPoint3x4(new Vector3(-ext.x, -ext.y, ext.z));
bboxPnts[6] = mtx.MultiplyPoint3x4(new Vector3(ext.x, -ext.y, -ext.z));
bboxPnts[7] = mtx.MultiplyPoint3x4(-ext);
for (int i = 0; i < bboxPnts.Length; i++)
{
if (use2d)
{
isNotLOS = Physics2D.Linecast(fromPos, bboxPnts[i], mask);
}
else
{
isNotLOS = Physics.Linecast(fromPos, bboxPnts[i], mask);
}
// Quit loop at first positive test
if (isNotLOS)
{
#if UNITY_EDITOR
if (this.debugLevel > DEBUG_LEVELS.Off)
{
Debug.DrawLine(fromPos, bboxPnts[i], debugLineColor, 0.01f);
}
#endif
continue;
}
else
{
break;
}
}
}
else
{
toPos = target.targetable.transform.position;
if (use2d)
{
isNotLOS = Physics2D.Linecast(fromPos, toPos, mask);
}
else
{
isNotLOS = Physics.Linecast(fromPos, toPos, mask);
}
#if UNITY_EDITOR
if (isNotLOS && this.debugLevel > DEBUG_LEVELS.Off)
{
Debug.DrawLine(fromPos, toPos, debugLineColor, 0.01f);
}
#endif
}
if (isNotLOS)
{
targets.Remove(target);
#if UNITY_EDITOR
debugRemoveNames.Add(target.targetable.name);
#endif
}
}
#if UNITY_EDITOR
if (this.debugLevel == DEBUG_LEVELS.High && debugRemoveNames.Count > 0)
{
Debug.Log("Holding fire for LOS: " +
string.Join(",", debugRemoveNames.ToArray()));
}
#endif
}
/// <summary>
/// Handles all firing events including target aquisition and firing.
/// Events are:
/// OnStart() :
/// Runs once when the firing system first becomes active
/// OnUpdate() :
/// Runs each frame while the firing system is active
/// OnTargetUpdate() :
/// Runs each frame while tracking a target (there is at least one target.)
/// OnIdleUpdate() :
/// Runs each frame while the firing system is idle (no targets)
/// OnFire() :
/// Runs when it is time to fire.
///
/// Counter Behavior Notes:
/// * If there are no targets. the counter will keep running up.
/// This means the next target to enter will be fired upon
/// immediatly.
///
/// * The counter is always active so if the last target exits, then a
/// new target enters right after that, there may still be a wait.
/// </summary>
protected IEnumerator FiringSystem()
{
if (this.targetTracker == null)
{
this.targetTracker = this.GetComponent <TargetTracker>();
if (this.targetTracker == null)
{
// Give it a frame to see if this.targetTracker is being set by code.
yield return(null);
if (this.targetTracker == null)
{
throw new MissingComponentException
(
"FireControllers must be on the same GameObject as a TargetTracker " +
"or have it's targetTracker property set by code or drag-and-drop " +
"in the inspector."
);
}
}
}
// While (true) because of the timer, we want this to run all the time, not
// start and stop based on targets in range
if (this.initIntervalCountdownAtZero)
{
this.fireIntervalCounter = 0;
}
else
{
this.fireIntervalCounter = this.interval;
}
this.targets.Clear();
this.OnStart(); // EVENT TRIGGER
this.keepFiring = true; // Can be turned off elsewhere to kill the firing system
while (this.keepFiring)
{
// if there is no target, counter++, handle idle behavior, and
// try next frame.
// Will init this.targets for child classes as well.
this.targets = new TargetList(this.targetTracker.targets);
if (this.targets.Count != 0)
{
if (this.fireIntervalCounter <= 0)
{
// Let the delegate filter a copy of the list just for the OnFire
// Test. We still want this.targets to remain as is.
// Do this in here to still trigger OnTargetUpdate
this.targetsCopy.Clear();
this.targetsCopy.AddRange(this.targets);
if (targetsCopy.Count != 0 && this.onPreFireDelegates != null)
{
this.onPreFireDelegates(this.targetsCopy);
}
// If all is right, fire
// Check targetsCopy incase of pre-fire delegate changes
if (targetsCopy.Count != 0)
{
this.Fire();
this.fireIntervalCounter = this.interval; // Reset
}
}
// Update event while tracking a target
this.OnTargetUpdate(this.targets); // EVENT TRIGGER
}
else
{
// Update event while NOT tracking a target
this.OnIdleUpdate(); // EVENT TRIGGER
}
this.fireIntervalCounter -= Time.deltaTime;
// Update event no matter what
this.OnUpdate(); // EVENT TRIGGER
// Stager calls to get Target (the whole system actually)
yield return(null);
}
// Wipe out the target list when stopped
this.targets.Clear();
}
/// <summary>
/// Fire on the targets
/// </summary>
protected void Fire()
{
#if UNITY_EDITOR
// Log a message to show what is being fired on
if (this.debugLevel > DEBUG_LEVELS.Off)
{
string[] names = new string[this.targets.Count];
for (int i = 0; i < this.targets.Count; i++)
{
names[i] = this.targets[i].transform.name;
}
string msg = string.Format
(
"Firing on: {0}\nEventInfo: {1}",
string.Join(", ", names),
this.eventInfoList.ToString()
);
Debug.Log(string.Format("{0}: {1}", this, msg));
}
#endif
//
// Create a new list of targets which have this fire controller reference.
//
var targetCopies = new TargetList();
Target newTarget;
foreach (Target target in this.targets)
{
// Can't edit a struct in a foreach loop, so need to copy and store
newTarget = new Target(target);
newTarget.fireController = this; // Add reference. null before this
targetCopies.Add(newTarget);
}
// Write the result over the old target list. This is for output so targets
// which are handled at all by this target tracker are stamped with a
// reference.
this.targets = targetCopies;
//
// Hnadle delivery
//
foreach (Target target in this.targets)
{
switch (this.notifyTargets)
{
case NOTIFY_TARGET_OPTIONS.Direct:
target.targetable.OnHit(this.eventInfoList, target);
break;
case NOTIFY_TARGET_OPTIONS.PassInfoToEventTrigger:
this.SpawnEventTrigger(target, true);
break;
case NOTIFY_TARGET_OPTIONS.UseEventTriggerInfo:
this.SpawnEventTrigger(target, false);
break;
}
}
#if UNITY_EDITOR
// When in the editor, if debugging, draw a line to each hit target.
if (this.debugLevel > DEBUG_LEVELS.Off && this.notifyTargets > NOTIFY_TARGET_OPTIONS.Off)
{
foreach (Target target in this.targets)
{
Debug.DrawLine(this.spawnEventTriggerAtTransform.position, target.transform.position, Color.red);
}
}
#endif
// Trigger the delegates
if (this.onFireDelegates != null)
{
this.onFireDelegates(this.targets);
}
}
protected void FilterFireTargetList(TargetList targets)
{
// Get the position expected to be used to fire from.
Vector3 fromPos = this.origin.position;
#if UNITY_EDITOR
var debugRemoveNames = new List <string>();
#endif
this.iterTargets.Clear();
this.iterTargets.AddRange(targets);
float dist;
for (int i = 0; i < iterTargets.Count; i++)
{
this.currentTarget = iterTargets[i];
dist = this.currentTarget.targetable.GetDistToPos(fromPos);
// Skip if the target is in the distance range
if (dist > this.minDistance && dist < this.maxDistance)
{
#if UNITY_EDITOR
if (this.debugLevel > DEBUG_LEVELS.Off)
{
Debug.DrawLine
(
fromPos,
this.currentTarget.targetable.transform.position,
Color.green,
0.01f
);
}
#endif
continue;
}
#if UNITY_EDITOR
if (this.debugLevel > DEBUG_LEVELS.Off)
{
Debug.DrawLine
(
fromPos,
this.currentTarget.targetable.transform.position,
Color.red,
0.01f
);
}
#endif
targets.Remove(this.currentTarget);
#if UNITY_EDITOR
debugRemoveNames.Add(this.currentTarget.targetable.name);
#endif
}
#if UNITY_EDITOR
if (this.debugLevel == DEBUG_LEVELS.High && debugRemoveNames.Count > 0)
{
string msg = string.Format
(
"Holding fire due to distance: {0}",
string.Join(", ", debugRemoveNames.ToArray())
);
Debug.Log(string.Format("{0}: {1}", this, msg));
}
#endif
}
