DCGO/Assets/Scripts/CardEffect/BT3/Red/BT3_018.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;
using Photon;
using System;
using Photon.Pun;

public class BT3_018 : CEntity_Effect
{
    public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
    {
        List<ICardEffect> cardEffects = new List<ICardEffect>();

        if (timing == EffectTiming.OnDetermineDoSecurityCheck)
        {
            cardEffects.Add(CardEffectFactory.PierceSelfEffect(isInheritedEffect: false, card: card, condition: null));
        }

        if (timing == EffectTiming.OnEnterFieldAnyone)
        {
            ActivateClass activateClass = new ActivateClass();
            activateClass.SetUpICardEffect("De-Digivolve 2 to 1 Digimon", CanUseCondition, card);
            activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[When Digivolving] Trigger <De-Digivolve 2> on 1 of your opponent's Digimon. (Trash up to 2 cards from the top of one of your opponent's Digimon. If it has no digivolution cards, or becomes a level 3 Digimon, you can't trash any more cards.)";
            }

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

            bool CanUseCondition(Hashtable hashtable)
            {
                return CardEffectCommons.CanTriggerWhenDigivolving(hashtable, card);
            }

            bool CanActivateCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        return true;
                    }
                }

                return false;
            }

            IEnumerator ActivateCoroutine(Hashtable _hashtable)
            {
                if (isExistOnField(card))
                {
                    if (card.Owner.GetBattleAreaDigimons().Contains(card.PermanentOfThisCard()))
                    {
                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));

                            SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                            selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to De-Digivolve.", "The opponent is selecting 1 Digimon to De-Digivolve.");

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

                            bool CanEndSelectCondition(List<Permanent> permanents)
                            {
                                if (permanents.Count <= 0)
                                {
                                    return false;
                                }

                                return true;

                            }

                            IEnumerator SelectPermanentCoroutine(Permanent permanent)
                            {
                                yield return ContinuousController.instance.StartCoroutine(new IDegeneration(permanent, 2, activateClass).Degeneration());
                            }
                        }
                    }
                }
            }
        }

        return cardEffects;
    }
}