Assets/Scripts/Core/Stats.cs


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using System.Collections.Generic;
using UnityEngine;

namespace MontanaJohns.Core
{
    public static class StatsExtensions
    {
        public static Stats Sum(this IEnumerable<Stats> source)
        {
            var sum = default(Stats);
            using (var iter = source.GetEnumerator())
            {
                if (!iter.MoveNext()) return sum;
                while (iter.MoveNext()) sum += iter.Current;
                return sum;
            }
        }
    }

    [System.Serializable]
    public struct Stats
    {
        [SerializeField] public int lives;
        [SerializeField] public float speedMultiplier;
        [SerializeField] public int maxJumps;
        [SerializeField] public float jumpForce;

        public static Stats operator +(Stats x, Stats y)
        {
            return new Stats
            {
                lives = x.lives + y.lives,
                speedMultiplier = x.speedMultiplier + y.speedMultiplier,
                maxJumps = x.maxJumps + y.maxJumps,
                jumpForce = x.jumpForce + y.jumpForce
            };
        }

        public static Stats DefaultBaseStats()
        {
            return new Stats
            {
                lives = 3,
                speedMultiplier = 1,
                maxJumps = 1,
                jumpForce = 500f,
            };
        }
    }
}