//
/// <summary>
/// 检测是否可以攻击某单位，重写这个方法可更改射程判断规则
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
public virtual bool CanAttack(Unit target)
{
if (Owner.bDot <= 1) return false;
if (ActionState.HaveAction == true) return false;
if (ActionState.HaveAttack == true) return false;
return GetDistance(target) <= AttackRange.Current;
}
/// <summary>
/// 计算ab单位的距离，无法计算返回-1
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public int GetDistance(Unit a, Unit b = null)
{
if (b == null) b = this;
if (a.Position == null || b.Position == null) return -1;
int distanceX = a.Position.Location.X - b.Position.Location.X;
int distanceY = a.Position.Location.Y - b.Position.Location.Y;
if (distanceX < 0) distanceX = -distanceX;
if (distanceY < 0) distanceY = -distanceY;
return distanceX + distanceY;
}
/// <summary>
/// 放置单位到此格。
/// </summary>
/// <param name="unit"></param>
/// <returns>成功返回真，失败返回假</returns>
public bool PlaceUnit(Unit unit)
{
if (Unit != null) return false;
if (unit.Position != null)
{
unit.Position.Unit = null;
}
Unit = unit;
unit.Position = this;
return true;
}
/// <summary>
/// 攻击指令，如果不能攻击返回假
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
public bool Attack(Unit target)
{
if (CanAttack(target) == false) return false;
if (ActionState.IsAction == false)//如果没有激活，自动激活
{
if (Activate()==false)
{
return false;
}
}
ActionState.HaveAttack = true;
target.Hurt(AttackPower.Current);
return true;
}
public ActiveSkill(Unit unit)
: base(unit)
{
useType = UseType.Active;
}
public void Register(Unit unit)
{
master = unit;
}
public Skill(Unit unit=null)
{
master = unit;
SetAttribute();
}
public PassiveSkill(Unit unit)
: base(unit)
{
useType = UseType.Passive;
}
/// <summary>
/// 上战场，把卡片转换为单位。已经召唤过的话会返回空
/// </summary>
/// <param name="locate"></param>
/// <param name="owner"></param>
/// <returns></returns>
public Unit ToBattle(int[] locate, Player owner)
{
if (owner.action.HaveCall == true) return null;
if (!GameCore.Chessboard.CellList[locate[0], locate[1]].Owner.Equals(owner.atTeam)) return null;//判断是否有权限
if (GameCore.Chessboard.GetRegion(locate).Unit != null) return null;
owner.action.HaveCall = true;
Unit x = new Unit(this, locate, owner);
return x;
}
