Set any number of custom values to items, abilities etc for an RPG.

StatList.cs

// (c) 2022 Ben D'Angelo. www.throwtheproject.com
// This code is licensed under MIT license (see LICENSE.txt for details)
using System.Collections;
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Assertions;

public class StatList {

    public Dictionary<Stat, int> values;

    public StatList() {
        values = new Dictionary<Stat, int>();
    }

    public int this[Stat stat] {
        get {
            return GetVal(stat);
        }
        set {
            values[stat] = value;
        }
    }

    public void Add(StatList list) {
        foreach (var v in list.values) {
            Add(v.Key, v.Value);
        }
    }

    public void Add(StatVal[] list) {
        foreach (var v in list) {
            Add(v.stat, v.value);
        }
    }

    public void Add(List<StatVal> list) {
        foreach (var v in list) {
            Add(v.stat, v.value);
        }
    }

    public void Remove(StatList list) {
        foreach (var v in list.values) {
            Remove(v.Key, v.Value);
        }
    }

    public void Add(StatVal statVal) {
        Add(statVal.stat, statVal.value);
    }

    public void Add(Stat stat, int value) {
        this[stat] += value;
    }

    public void SetVal(Stat stat, int value) {
        this[stat] = value;
    }

    public void Remove(Stat stat, int value) {
        Add(stat, -value);
    }

    public void Reset() {
        values.Clear();
    }

    public int GetVal(Stat stat) {
        int val = -1;

        if (values.TryGetValue(stat, out val)) {
            return val;
        }

        return 0;
    }

    public int GetVal(Stat stat, int def = 1) {
        int val = -1;

        if (values.TryGetValue(stat, out val)) {
            return val;
        }

        return def;
    }

    public float GetMod(Stat stat) {
        int val = GetVal(stat);

        return (float)(val / 100.0f);
    }

    public bool HasVal(Stat stat) {
        return GetVal(stat) != 0;
    }

    public string Output() {
        string str = "";
        foreach (var pair in values) {
            str += "["+pair.Key + "] = " + pair.Value + "\n";
        }

        return str;
    }
    
}

StatVal.cs

// (c) 2022 Ben D'Angelo. www.throwtheproject.com
// This code is licensed under MIT license (see LICENSE.txt for details)
using System.Collections;
using System.Collections.Generic;
using System;
using UnityEngine;
using UnityEngine.Assertions;
using UnityEngine.Serialization;

public enum Stat {
    None,
    ChargeSpeed,
    SonicBoom,
    Cover,
    BlastDef
}


[System.Serializable]
public class StatVal {

    public static Stat ToStat(string stat) {
        Enum.TryParse(stat, out Stat statEnum);

        return statEnum;
    }

    public Stat stat;

    public int value;

    public StatVal(Stat stat, int value) {
        this.stat = stat;

        Assert.IsFalse(stat == Stat.None, "None stat was set! with val " + value);

        this.value = value;
    }

}