Units/HealerUnit.cs - master - romashov.z/PPAGame

Units/HealerUnit.cs
83 строки3 KB
Zakhar Romashov
Добавлен функционал для Демо 3
26 апр 2026, 18:46
26 апр 2026, 18:465bd1cee
using System;

namespace ArmyBattleGame
{
    class HealerUnit : BaseUnit, ISpecialAbility, ICanBeHealed
    {
        public const int MinRange = 1;
        public const int MaxRange = 6;
        public const int MinHealPower = 10;
        public const int MaxHealPower = 50;

        public int Range { get; }
        public double HealPower { get; }

        public static double MinCost => 70 + 10 * 2 + 30 * 0.5 + 10 * 1.5 + 1 * 5;

        public static HealerUnit CreateRandom(Random rnd)
        {
            int range = rnd.Next(MinRange, MaxRange + 1);
            double healPower = rnd.Next(MinHealPower, MaxHealPower + 1);
            return new HealerUnit(range, healPower);
        }

        public HealerUnit(int range, double healPower)
        {
            if (range < MinRange || range > MaxRange)
                throw new ArgumentOutOfRangeException(nameof(range), $"Range должен быть от {MinRange} до {MaxRange}");
            if (healPower < MinHealPower || healPower > MaxHealPower)
                throw new ArgumentOutOfRangeException(nameof(healPower), $"HealPower должен быть от {MinHealPower} до {MaxHealPower}");

            SetHealth(70);
            Damage = 10;
            Shield = 30;

            Range = range;
            HealPower = healPower;

            Cost = CalculateCost()
                + HealPower * 1.5
                + Range * 5;
        }

        public void UseSpecial(BattleContext ctx, UnitPosition attackerPos)
        {
            if (!IsAlive) return;

            IUnit? bestTarget = null;
            UnitPosition bestPos = default;
            double worstRatio = double.MaxValue;

            foreach (var (candidate, pos) in ctx.Strategy.GetForwardAllies(ctx.OwnArmy, attackerPos, Range))
            {
                if (candidate is not ICanBeHealed) continue;

                double ratio = candidate.Health / candidate.MaxHealth;
                if (ratio < worstRatio)
                {
                    worstRatio = ratio;
                    bestTarget = candidate;
                    bestPos = pos;
                }
            }

            if (bestTarget == null)
            {
                ctx.Logger.LogNoHealTarget(this, attackerPos.Row);
                return;
            }

            double room = bestTarget.MaxHealth - bestTarget.Health;
            double healedAmount = Math.Min(HealPower, room);

            if (room <= 0 || healedAmount <= 0)
            {
                ctx.Logger.LogHealTargetAlreadyFull(this, attackerPos.Row, bestTarget, bestPos.Row);
                return;
            }

            ((ICanBeHealed)bestTarget).Heal(HealPower);
            ctx.Logger.LogHeal(this, attackerPos.Row, bestTarget, bestPos.Row, healedAmount);
        }
    }
}