private static bool IsTarget(AttackerAttr attackerAttr, BattleUnit target, LeagueSelection selection)
{
// 自身不是Ally关系!
if (attackerAttr.AttackerID == target.InstanceID)
{
return((selection & LeagueSelection.Self) != 0);
}
// 此时, 攻守双方不相同.
LeagueRelationship r = GetRelationship(attackerAttr.AttackerLeague, target.GetLeague());
switch (r)
{
case LeagueRelationship.Ally:
return((selection & LeagueSelection.Ally) != 0);
case LeagueRelationship.Enemy:
return((selection & LeagueSelection.Enemy) != 0 && !target.IsInviolable());
default:
break;
}
return(false);
}
/// <summary>
/// 返回target是否是attackerAttr标识的攻击者者所要寻找的目标.
/// selection表示攻击者要寻找什么类型的目标.
/// </summary>
public static bool IsDisiredTarget(AttackerAttr attackerAttr, BattleUnit target, LeagueSelection selection)
{
if (target == null || target.IsDead() || selection == LeagueSelection.None)
{
return(false);
}
if (attackerAttr.AttackerLeague == LeagueDef.InvalidLeague || target.GetLeague() == LeagueDef.InvalidLeague)
{
return(ErrorHandler.Parse(ErrorCode.ConfigError, "invalid league"));
}
if (selection >= LeagueSelection.Count)
{
return(ErrorHandler.Parse(ErrorCode.ConfigError, "invalid league selection " + (uint)selection));
}
return(IsTarget(attackerAttr, target, selection));
}
