/// <summary>
/// 动作(帧)切换时触发
/// </summary>
public event EventHandler ActionTrigger;/// <summary>
/// 以1秒为基础单位的时间间隔触发器
/// </summary>
public event EventHandler<IntervalTriggerArgs> IntervalTrigger;/// <summary>
/// 间隔触发器参数
/// </summary>
public class IntervalTriggerArgs : EventArgs {public int Count { get; set; }
}int tickCount = 0;
IntervalTriggerArgs intervalTriggerArgs = new IntervalTriggerArgs();
void intervalTrigger_Tick(object sender, EventArgs e) {intervalTriggerArgs.Count = tickCount;if (IntervalTrigger != null) { IntervalTrigger(this, intervalTriggerArgs); }tickCount = tickCount == Int32.MaxValue ? 0 : tickCount + 1;
}

/// <summary>
/// 策略AI
/// </summary>
public enum TacticAIs {/// <summary>/// 目标主角/// </summary>GoalLeader = 0,/// <summary>/// 自由战斗/// </summary>FreeFighting = 1,/// <summary>/// 小组作战/// </summary>TeamAttack = 2,/// <summary>/// 门派对阵/// </summary>MartialBattle = 3
}/// <summary>
/// 行为AI
/// </summary>
public enum ActionAIs {/// <summary>/// 简单/// </summary>Simple = 0,/// <summary>/// 机敏/// </summary>Alertness = 1,/// <summary>/// 固执/// </summary>Persistent = 2,/// <summary>/// 怯懦/// </summary>Cowardice = 3,
}/// <summary>
/// 角色策略判定
/// </summary>
void role_TacticDecide(object sender, IntervalTriggerArgs e) {//每间隔3秒执行一次策略检索if (e.Count % 3 == 0) {RoleBase role = sender as RoleBase;//异步判断角色是否处于屏幕显示区域中，是的话且无目标则进行索敌判断:在视线范围内则追击，否则警戒this.Dispatcher.BeginInvoke(() => {space.SetSpriteVisible(role, role.InSight(leader));if (role.Target == null && role.IsVisible) {bool targetFound = false;switch (role.TacticAI) {case TacticAIs.GoalLeader:if (role.Target == null && role.IsVisible) {if (role.IsHostileTo(leader) && leader.InCircle(role.Position, role.SightRange)) {role.Target = leader;targetFound = true;}}break;case TacticAIs.FreeFighting:int count = 0;int roleNum = space.AllRoles().Count;while (count < roleNum) {RoleBase target = space.AllRoles()[ObjectBase.RandomSeed.Next(roleNum)];if (role.IsHostileTo(target) && target.InCircle(role.Position, role.SightRange)) {role.Target = target;targetFound = true;break;}count++;}break;case TacticAIs.TeamAttack:for (int i = space.AllRoles().Count - 1; i >= 0; i--) {RoleBase target = space.AllRoles()[i];if (role.IsHostileTo(target) && target.InCircle(role.Position, role.SightRange)) {role.Target = target;targetFound = true;break;}}break;case TacticAIs.MartialBattle:count = 0;roleNum = space.AllRoles().Count;while (count < roleNum) {RoleBase target = space.AllRoles()[ObjectBase.RandomSeed.Next(roleNum)];if (role.IsHostileTo(target) && role.Profession != target.Profession && target.InCircle(role.Position, role.SightRange)) {role.Target = target;targetFound = true;break;}count++;}break;}if (!targetFound) { role.Guard(role.Position); }}});}
}/// <summary>
/// 角色行为执行
/// </summary>
void role_ActionDecide(object sender, EventArgs e) {RoleBase attacker = sender as RoleBase;RoleBase target = attacker.Target;if (attacker.IsHostileTo(target) && attacker.IsVisible) {//怯懦行为简单表现为不主动追击，发现被攻击时立刻逃跑if (target.ActionAI == ActionAIs.Cowardice) {target.Target = null;target.MoveTo(new Point(ObjectBase.RandomSeed.Next((int)(target.Position.X - target.SightRange), (int)(target.Position.X + target.SightRange)), ObjectBase.RandomSeed.Next((int)(target.Position.Y - target.SightRange), (int)(target.Position.Y + target.SightRange))));}if (target.InCircle(attacker.Position, attacker.AttackRange)) {attacker.TurnTowardsTo(target.Position);attacker.Attack();//机智行为简单表现为受到攻击时会反击，受到两个以上敌人同时攻击时将会试图逃离现场if (target != leader) {if (target.ActionAI == ActionAIs.Alertness) {if (target.Target != null) {target.Target = null;target.MoveTo(new Point(ObjectBase.RandomSeed.Next((int)(target.Position.X - attacker.SightRange), (int)(target.Position.X + attacker.SightRange)), ObjectBase.RandomSeed.Next((int)(target.Position.Y - attacker.SightRange), (int)(target.Position.Y + attacker.SightRange))));} else {target.Target = attacker;}}}} else if (target.InCircle(attacker.Position, attacker.SightRange) || attacker.ActionAI == ActionAIs.Persistent) {//固执行为简单表现为抓住一个目标一直追击，直至自己或目标死亡为止attacker.MoveTo(new Point(ObjectBase.RandomSeed.Next((int)(target.Position.X - attacker.AttackRange), (int)(target.Position.X + attacker.AttackRange)), ObjectBase.RandomSeed.Next((int)(target.Position.Y - attacker.AttackRange), (int)(target.Position.Y + attacker.AttackRange))));} else {attacker.Target = null;attacker.Stop();}}
}