using System.Collections.Generic; using System.Linq; using Wizard.Battle; public class SkillTargetInPlayFilter : ISkillTargetFilter { public IEnumerable Filtering(IEnumerable battlePlayerInfos, SkillConditionCheckerOption option) { return battlePlayerInfos.SelectMany((IBattlePlayerReadOnlyInfo p) => p.SkillInfoClassAndInPlayCards); } }