RiftMayhem/Assets/Scripts/AbilitySystem/Effects/InstantValueEffect.cs

using Kryz.CharacterStats;
using Kryz.CharacterStats.Examples;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu(fileName = "InstantEffect", menuName = "RiftMayhem/AbilitySystem/Effects/Instant Effect", order = 1)]
public class InstantValueEffect : BaseEffect
{
    public float baseValue;
    public DamageType damageType = DamageType.Attack;

    [Header("Optional Modifiers for damage / healing based on target")]
    public float AlliedTargetMultiplier = 1f;
    public float EnemyTargetMultiplier = 1f;
    public float FriendlyNPCTargetMultiplier = 1f;
    [Header("Optional apply this to class resource instead:")]
    public bool applyToClassResourceInstead = false;
    public bool applyToSelfResourceInsteadOfHit = false;

    Health targetHealth;
    ClassResource classResource;

    private float finalValue;
    private CharacterStats stats;
    private DamageOutputModifierEffectInstance damageOutputModifier;

    public override void ApplyEffect(Taggable user, List<Taggable> targets)
    {
        if (user == null) return;

        foreach (Taggable target in targets)
        {
            if (target == null) continue;

            //Debug.Log($"Applied instant effect of {GetCorrectValueSign(user, target)} to target {target.name}");
            if (applyToClassResourceInstead)
            {
                if (user.IsMinion()) return;

                if (applyToSelfResourceInsteadOfHit)
                {
                    classResource = user.GetComponent<ClassResource>();
                    if (classResource != null)
                        classResource.ChangeValue(GetCorrectValueSign(user, user));
                }
                else
                {
                    classResource = target.GetComponent<ClassResource>();
                    if (classResource != null)
                        classResource.ChangeValue(GetCorrectValueSign(user, target));
                }

            }
            else
            {
                targetHealth = target.GetComponent<Health>();
                if (targetHealth != null)
                    targetHealth.ChangeValue(GetCorrectValueSign(user, target), (int)damageType);
                //targetHealth.ChangeValue(target.targetTag == TargettingTag.Enemy ? -value : value);
            }
        }
    }

    private float GetCorrectValueSign(Taggable user, Taggable target)
    {
        if (user == null) return 0;
        if (target == null) return 0;

        stats = user.GetComponent<CharacterStats>();
        damageOutputModifier = user.GetComponent<DamageOutputModifierEffectInstance>();
        GetFinalValue(stats, damageOutputModifier);

        //return user.targetTag.AlliedTags.Contains(target.targetTag) ? (finalValue * AlliedTargetMultiplier) : (-finalValue * EnemyTargetMultiplier);



        if(user.AlliedTagsContains(target.targetTag))
        {
            if (target.IsFriendlyNPC()) 
                return (finalValue * FriendlyNPCTargetMultiplier);
            else
                return (finalValue * AlliedTargetMultiplier);
        }
        else 
            return (-finalValue * EnemyTargetMultiplier);
    }

    /*
    private CharacterStat GetCorrectStat(CharacterStats stats) //TODO: make it use multiple stats correctly
    {
        for (int i = 0; i < influencingStats.Count; i++)
        {
            if (stats.statsDictionary.ContainsKey(influencingStats[i].statTag.name.ToLower()))
            {
                Debug.Log($"Influencing effect using: {influencingStats[i].statTag.name.ToLower()}");
                return stats.statsDictionary[influencingStats[i].statTag.name.ToLower()];
            }
        }
        return null;
    }
    */

    private void GetFinalValue(CharacterStats stats, DamageOutputModifierEffectInstance damageOutputModifier)
    {
        finalValue = baseValue;
        if (stats != null)
        {
            foreach (var statInfluence in influencingStats)
            {
                if (stats.primaryStatsDictionary.TryGetValue(statInfluence.statTag.name.ToLower(), out CharacterStat stat))
                {
                    finalValue += stat.Value * statInfluence.percentInfluence;
                }
                else if (stats.secondaryStatsDictionary.TryGetValue(statInfluence.statTag.name.ToLower(), out CharacterStat secondaryStat))
                {
                    finalValue += secondaryStat.Value * statInfluence.percentInfluence;
                }
                if (statInfluence.statTag.name.ToLower().Contains("Attack")) damageType = DamageType.Attack;
                else if (statInfluence.statTag.name.ToLower().Contains("Spell")) damageType = DamageType.Spell;
            }

        }
        //Debug.Log("FinalValue = " + finalValue + " dmgType = " + damageType);
        if (IsCrit(stats) && !applyToClassResourceInstead)
        {
            finalValue *= (1 + stats.CritDamage.Value / 100f);
            //Debug.Log("FinalValue IsCrit = " + finalValue + " dmgType = " + damageType);
        }

        finalValue = damageOutputModifier.ModifyDamageOutput(finalValue);
    }

    private bool IsCrit(CharacterStats stats)
    {
        return Random.Range(0, 100) < stats.CritChance.Value;
    }
}