計算機科学のブログ

using System;
namespace BlazorSwordDamage
{
    public class SwordDamage
    {
        private const int BASE_DAMAGE = 3;
        private const int FLAME_DAMAGE = 2;
        private int roll;
        private bool flaming;
        private bool magic;
        public int Roll
        {
            get { return roll; }
            set
            {
                roll = value;
                CalculateDamage();
            }
        }
        public bool Flaming
        {
            get { return flaming; }
            set
            {
                flaming = value;
                CalculateDamage();
            }
        }
        public bool Magic
        {
            get { return magic; }
            set
            {
                magic = value;
                CalculateDamage();
            }
        }
        public int Damage { get; private set; }
        public SwordDamage(int roll)
        {
            this.roll = roll;
            CalculateDamage();
        }
        private void CalculateDamage()
        {
            decimal magicMultiplier = 1M;
            if (Magic)
            {
                magicMultiplier = 1.75M;
            }
            Damage = BASE_DAMAGE + (int)(Roll * magicMultiplier);
            if (Flaming)
            {
                Damage += FLAME_DAMAGE;
            }
        }
    }
}

@page "/"

<div class="container">
    <div class="row justify-content-center">
        <div class="col-3 text-left">
            <input class="form-check-input" type="checkbox" id="flaming"
                   @bind="swordDamage.Flaming"/>
            <label class="form-check-label" for="flaming">
                Flaming
            </label>
        </div>
        <div class="col-3 text-right">
            <input class="form-check-input" type="checkbox" id="magic"
                   @bind="swordDamage.Magic"/>
            <label class="form-check-label" for="magic">
                Magic
            </label>
        </div>
    </div>
    <div class="row justify-content-center mt-5">
        <div class="col-4 text-center">
            <button class="btn btn-primary"
                    @onclick="RollDice">
                Roll for damage
            </button>
        </div>
    </div>
    <div class="row justify-content-center mt-5">
        <div class="col-6 text-center">
            <h3>Rolled @swordDamage.Roll for @swordDamage.Damage HP</h3>
        </div>
    </div>
</div>

@code {
    Random random = new Random();
    SwordDamage swordDamage = new SwordDamage(10);
    string damageText = "";
    protected override void OnInitialized()
    {
        RollDice();
    }
    public void RollDice()
    {
        swordDamage.Roll = 0;
        for (int i = 0; i < 3; i++)
        {
            swordDamage.Roll += random.Next(1, 7);
        }
    }
}