//轉身讓視野進行範圍的掃描,原地停留
protected virtual void Scan()
{
if (scanTimer == 0)
{
navAgent.destination = myTransform.position;
scanTimer = Time.time;
//決定這次scan的方向
switch (Random.Range(0, 2))
{
case 0:
scanAngle = RotationSpeed * -1;
break;
case 1:
scanAngle = RotationSpeed;
break;
default:
break;
}
}
else if (Time.time - scanTimer > scanTimeStep)
{
//搜索結束
scanTimer = 0;
}
//轉身搜索
rotationAngle = scanAngle;
//myTransform.Rotate(Vector3.up, scanAngle* UPDATE_INTERVAL);
if (animationController != null)
{
animationController.PlayScan();
}
state = NPCMotion.Deciding;
}
//定點守備
protected virtual void Garrison()
{
if (garrisonTarget != null)
{
if (garrisonTarget.CompareTag(Tags.DeadBody))
{
GarrisonTarget = null;
state = NPCMotion.Deciding;
}
else
{
InGarrison = Vector3.ProjectOnPlane(myTransform.position - GarrisonTarget.position, Vector3.up).magnitude < garrisonRange;
if ((myTransform.position - garrisonTarget.position).magnitude < navAgent.stoppingDistance && navAgent.remainingDistance == 0)
{
state = NPCMotion.Idle;
}
else
{
mainTarget = garrisonTarget;
state = NPCMotion.Move;
}
}
}
else
{
state = NPCMotion.Deciding;
}
}
//待命
protected virtual void Idle()
{
if (animationController != null)
{
animationController.PlayIdle();
}
navAgent.destination = myTransform.position;
//else
//{
if (!IsGarrison && mainTarget == null && !isGuardPlayer)
{
//索敵
float seed = Random.Range(0, CHANCE_TO_SEARCH_WIS_RATIO);
//機率進入索敵狀態
if (Time.time - _searchTimer > SearchTime + .1f && seed < status.GetPrimaryAttrubute(PrimaryAttributeName.Wisdom).AdjustedValue)
{
_searchTimer = 0;
state = NPCMotion.Search;
}
else
{
state = NPCMotion.Deciding;
}
}
else
{
state = NPCMotion.Deciding;
}
//}
}
protected virtual void onTriggerExit(Collider other)
{
if (_targetsInVision.Contains(other.transform))
{
_targetsInVision.Remove(other.transform);
CheckTarget();
state = NPCMotion.Deciding;
}
//}
}
protected virtual void onTriggerEnter(Collider other)
{
if (other.GetComponent <Damagable>() != null)
{
_targetsInVision.Add(other.transform);
CheckTarget();
//_targetInVision = other.transform;
state = NPCMotion.Deciding;
}
}
//護衛目標附近徘徊,太遠會回來,無護位目標則遊蕩
protected virtual void Search()
{
if (npc.IsCasting)
{
state = NPCMotion.Casting;
return;
}
if (_searchTimer == 0)
{
if (guardTarget != null && Vector3.ProjectOnPlane((myTransform.position - guardTarget.position), Vector3.up).magnitude > PatrolMaxDistance)
{
//Debug.Log(SearchCenterPosition);
float angle = Vector3.Angle(
Vector3.ProjectOnPlane(myTransform.forward, Vector3.up), Vector3.ProjectOnPlane(guardTarget.position - myTransform.position, Vector3.up)) *
(Vector3.Dot(myTransform.right, guardTarget.position - myTransform.position) > 0 ? 1 : -1);
myTransform.Rotate(Vector3.up, angle);
//rotationAngle = angle;
}
else
{
//隨機轉身
myTransform.Rotate(Vector3.up, Random.Range(0, 360));
//rotationAngle = Random.Range(0, 360);
}
searchTo = myTransform.position + myTransform.forward * MoveSpeed * SearchTime;
_searchTimer = Time.time;
}
else
{
if (Time.time - _searchTimer > SearchTime)
{
//索敵結束,重新判斷
state = NPCMotion.Deciding;
searchTo = null;
}
else
{
//索敵時間中往該方向前進
state = NPCMotion.Search;
}
}
if (searchTo != null)
{
navAgent.destination = (Vector3)searchTo;
if (animationController != null)
{
animationController.PlayWalk();
}
}
}
//施法中,原地停留
protected virtual void Casting()
{
if (npc.IsCasting)
{
navAgent.destination = transform.position;
state = NPCMotion.Casting;
if (animationController != null)
{
animationController.PlayCast();
}
}
else
{
state = NPCMotion.Deciding;
}
}
//網主要目標移動
protected virtual void Move()
{
if (npc.IsCasting)
{
state = NPCMotion.Casting;
return;
}
//Debug.Log(GetComponent<NPCController>().IsAttacking +" || "+ GetComponent<NPCController>().IsSkilling);
if (npc.IsAttacking || npc.IsSkilling)
{
state = NPCMotion.Deciding;
return;
}
navAgent.destination = mainTarget.position - mainTarget.forward * -1 * MinDistance;
if (animationController != null)
{
animationController.PlayRun();
}
state = NPCMotion.Deciding;
}
protected virtual void Awake()
{
myTransform = transform;
state = NPCMotion.Idle;
isAlive = true;
_targetsInVision = new List <Transform>();
CommandTargets = new List <Transform>();
//NPCType = Type;
_searchTimer = 0;
controller = GetComponent <CharacterController>();
GameObject visionObject = new GameObject("Vision");
visionObject.transform.parent = myTransform;
visionObject.transform.position = myTransform.position;
VisionCollision visionCollision = visionObject.AddComponent <VisionCollision>();
visionCollision.onTriggerEnter += onTriggerEnter;
visionCollision.onTriggerExit += onTriggerExit;
vision = visionObject.AddComponent <SphereCollider>();
vision.center = controller.center;
vision.isTrigger = true;
}
//轉向主要目標,決定是否靠近
protected virtual void Follow()
{
if (npc.IsCasting)
{
state = NPCMotion.Casting;
return;
}
//有跟隨對象
if (mainTarget)
{
//轉往目標方向
//float angle = RotationSpeed * (Vector3.Dot(myTransform.right, mainTarget.position - myTransform.position) > 0 ? 1 : -1);
float angle = Vector3.Angle(myTransform.forward, Vector3.ProjectOnPlane(mainTarget.position - myTransform.position, myTransform.up)) * (Vector3.Dot(myTransform.right, mainTarget.position - myTransform.position) > 0 ? 1 : -1);
rotationAngle = angle;
//myTransform.Rotate(Vector3.up, angle);
//目標體寬
var targetWidth = mainTarget.GetComponentInParent <Build>() != null?mainTarget.GetComponent <MeshFilter>().mesh.bounds.size.x *mainTarget.transform.localScale.x : mainTarget.GetComponent <CharacterController>().radius;
//是否已經進入視當的距離
if (Vector3.Distance(mainTarget.position, myTransform.position) < MinDistance + targetWidth)
{
//已經進入視當的距離,停下來
navAgent.destination = myTransform.position;
//Debug.Log("Stop");
state = NPCMotion.Idle;
}
else
{
//沒進入視當的距離,繼續移動
state = NPCMotion.Move;
}
}
else
{
//無跟隨對象,待機
state = NPCMotion.Deciding;
}
}
//決策
protected virtual void Deciding()
{
if (npc.IsCasting)
{
state = NPCMotion.Casting;
}
else
{
CheckTarget();
npc.attackTarget = null;
//有目標
if (mainTarget != null)
{
if (IsGarrison &&
Vector3.ProjectOnPlane(mainTarget.position - GarrisonTarget.position, Vector3.up).magnitude > garrisonRange)
{
state = NPCMotion.Garrison;
}
else
{
if (guardTarget != null)
{
//攻擊目標超出護位目標時往護位目標移動,追擊1.5被距離
if (Vector3.ProjectOnPlane(
(mainTarget.position - guardTarget.position), Vector3.up).magnitude
> (isGuardPlayer ? PatrolCharMaxDistance : PatrolMaxDistance) * 1.5F)
{
mainTarget = guardTarget;
state = NPCMotion.Move;
return;
}
}
bool mainTargetOutOfRange = false;
if (mainTarget.GetComponentInParent <Build>() == null)
{
//距離外的人
mainTargetOutOfRange = !_targetsInVision.Contains(mainTarget);
}
bool mainTargetOutOfVision = Mathf.Abs(Vector3.Angle( //視野外
Vector3.ProjectOnPlane(
mainTarget.position - myTransform.position, myTransform.up), myTransform.forward))
> VisionWidth && (mainTarget.position - myTransform.position).magnitude >= MinDistance * 2;
if (mainTargetOutOfRange)
{
//超出距離,靠過去
state = NPCMotion.Fallow;
}
else
{
//距離內
if (mainTargetOutOfVision)
{
//視線外,尋找
state = NPCMotion.Scan;
}
else
{
//視線內,跟上
state = NPCMotion.Fallow;
npc.attackTarget = mainTarget;
}
}
}
}
else
{
if (IsGarrison)
{
state = NPCMotion.Garrison;
}
else
{
//沒有主要目標
//有護衛目標時
if (guardTarget != null)
{
//超出護位目標時往護位目標移動
if (Vector3.ProjectOnPlane((myTransform.position - guardTarget.position), Vector3.up).magnitude > (isGuardPlayer? PatrolCharMaxDistance: PatrolMaxDistance))
{
mainTarget = guardTarget;
state = NPCMotion.Move;
}
else
{
//靠近護位目標時護位待命
state = NPCMotion.Idle;
}
}
else
{
//無護位目標時待命
if (npc.commander != null)
{
//npc.commander.CommandFollowerInvade(npc);
if (npc.commander is Tower)
{
npc.Patrol((npc.commander as Tower).MainFlag);
}
else if (npc.commander is Player)
{
npc.Patrol((npc.commander as Player).myTransform);
}
state = NPCMotion.Deciding;
}
else
{
state = NPCMotion.Idle;
}
}
}
}
}
}
