private AiData_Npc_CommonMelee GetAiData(NpcInfo npc)
{
AiData_Npc_CommonMelee data = npc.GetAiStateInfo().AiDatas.GetData <AiData_Npc_CommonMelee>();
if (null == data)
{
data = new AiData_Npc_CommonMelee();
npc.GetAiStateInfo().AiDatas.AddData(data);
}
return(data);
}
private void PursuitHandler(NpcInfo npc, AiCommandDispatcher aiCmdDispatcher, long deltaTime)
{
if (!CanAiControl(npc))
{
npc.GetMovementStateInfo().IsMoving = false;
return;
}
NpcAiStateInfo info = npc.GetAiStateInfo();
AiData_Npc_CommonMelee data = GetAiData(npc);
if (null != data)
{
CharacterInfo target = AiLogicUtility.GetLivingCharacterInfoHelper(npc, info.Target);
if (null != target)
{
float dist = (float)npc.GetActualProperty().AttackRange;
float distGoHome = (float)npc.GohomeRange;
Vector3 targetPos = target.GetMovementStateInfo().GetPosition3D();
Vector3 srcPos = npc.GetMovementStateInfo().GetPosition3D();
float powDist = Geometry.DistanceSquare(srcPos, targetPos);
float powDistToHome = Geometry.DistanceSquare(srcPos, info.HomePos);
// 遇敌是播放特效， 逗留两秒。
if (data.WaitTime <= npc.MeetEnemyStayTime)
{
if (!data.HasMeetEnemy)
{
NotifyNpcMeetEnemy(npc, Animation_Type.AT_Attack);
data.HasMeetEnemy = true;
}
TrySeeTarget(npc, target);
data.WaitTime += deltaTime;
return;
}
// 走向目标1.5秒
if (data.MeetEnemyWalkTime < npc.MeetEnemyWalkTime)
{
data.MeetEnemyWalkTime += deltaTime;
NotifyNpcWalk(npc);
info.Time += deltaTime;
if (info.Time > m_IntervalTime)
{
info.Time = 0;
if (!npc.UnityPathFinding)
{
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
else
{
if (!npc.PathFindingFinished)
{
GfxSystem.NpcCommonMeleePathToTarget(npc, targetPos);
ChangeToState(npc, (int)AiStateId.PathFinding);
}
else
{
npc.PathFindingFinished = false;
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
}
}
return;
}
// 大于攻击距离 跑向目标
if (powDist > m_AttackRange * m_AttackRange && 0 == data.CurAiAction)
{
npc.IsTaunt = false;
NotifyNpcRun(npc);
info.Time += deltaTime;
if (info.Time > m_IntervalTime)
{
info.Time = 0;
if (!npc.UnityPathFinding)
{
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
else
{
if (!npc.PathFindingFinished)
{
GfxSystem.NpcCommonMeleePathToTarget(npc, targetPos);
ChangeToState(npc, (int)AiStateId.PathFinding);
}
else
{
npc.PathFindingFinished = false;
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
}
}
}
else
{
//小于攻击距离
if (data.CurAiAction == (int)AiAction.NONE)
{
npc.GetMovementStateInfo().IsMoving = false;
NotifyNpcMove(npc);
data.CurAiAction = (int)GetNextAction();
}
switch (data.CurAiAction)
{
case (int)AiAction.SKILL:
if (0 >= data.SkillToCast)
{
data.SkillToCast = GetCanCastSkillId(npc, (float)Math.Sqrt(powDist));
}
if (0 >= data.SkillToCast || !AiLogicUtility.CanCastSkill(npc, data.SkillToCast, target))
{
info.Time += deltaTime;
if (info.Time > m_IntervalTime)
{
info.Time = 0;
NotifyNpcRun(npc);
if (!npc.UnityPathFinding)
{
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
else
{
if (!npc.PathFindingFinished)
{
GfxSystem.NpcCommonMeleePathToTarget(npc, targetPos);
ChangeToState(npc, (int)AiStateId.PathFinding);
}
else
{
npc.PathFindingFinished = false;
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
}
}
}
else
{
npc.GetMovementStateInfo().IsMoving = false;
NotifyNpcMove(npc);
if (TryCastSkill(npc, data.SkillToCast, target))
{
data.CurAiAction = 0;
data.SkillToCast = -1;
}
}
break;
case (int)AiAction.STAND:
data.ChaseStandTime += deltaTime;
TrySeeTarget(npc, target);
if (data.ChaseStandTime > m_ChaseWalkMaxTime)
{
data.ChaseStandTime = 0;
data.CurAiAction = 0;
}
break;
case (int)AiAction.TAUNT:
npc.GetMovementStateInfo().IsMoving = false;
NotifyNpcMove(npc);
npc.IsTaunt = true;
data.TauntTime += deltaTime;
TrySeeTarget(npc, target);
if (data.TauntTime > m_TauntTime)
{
npc.IsTaunt = false;
data.TauntTime = 0;
data.CurAiAction = 0;
}
break;
case (int)AiAction.WALK:
data.ChaseWalkTime += deltaTime;
info.Time += deltaTime;
if (info.Time > m_IntervalTime)
{
info.Time = 0;
NotifyNpcWalk(npc);
if (!npc.UnityPathFinding)
{
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
else
{
if (!npc.PathFindingFinished)
{
GfxSystem.NpcCommonMeleePathToTarget(npc, targetPos);
ChangeToState(npc, (int)AiStateId.PathFinding);
}
else
{
npc.PathFindingFinished = false;
AiLogicUtility.PathToTargetWithoutObstacle(npc, data.FoundPath, targetPos, m_IntervalTime, true, this);
}
}
}
if (data.ChaseWalkTime > m_ChaseStandMaxTime)
{
data.ChaseWalkTime = 0;
data.CurAiAction = 0;
}
break;
}
}
}
else
{
NotifyNpcTargetChange(npc);
npc.GetMovementStateInfo().IsMoving = false;
NotifyNpcMove(npc);
info.Time = 0;
ChangeToState(npc, (int)AiStateId.Idle);
}
}
}
