DCGO/Assets/Scripts/CardEffect/EX8/Yellow/EX8_003.cs

using System.Collections;
using System.Collections.Generic;

// Kokomon
namespace DCGO.CardEffects.EX8
{
    public class EX8_003 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region When Attacking - ESS

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Opponent's Digimon gets -2000 DP for the turn", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDescription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("ChangeDP_EX8_003");
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[When Attacking] [Once Per Turn] If you have another Digimon, 1 of your opponent's Digimon gets -2000 DP for the turn.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerOnAttack(hashtable, card);
                }
                
                bool AnotherDigimonOnField() {
                    return CardEffectCommons.HasMatchConditionOwnersPermanent(
                        card, 
                        permanent => permanent.IsDigimon && permanent != card.PermanentOfThisCard()
                    );
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) && AnotherDigimonOnField();               
                }

                bool SelectOpponentsDigimon(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, SelectOpponentsDigimon))
                    {
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: SelectOpponentsDigimon,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(
                                targetPermanent: permanent,
                                changeValue: -2000,
                                effectDuration: EffectDuration.UntilEachTurnEnd,
                                activateClass: activateClass));
                        }
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}