OnPlayerWound

using System.Collections.Generic;
using System;
using Newtonsoft.Json;
using Oxide.Core;
using UnityEngine;

namespace Oxide.Plugins
{
    [Info("Wound To Death", "RustPluginGenerator", "1.0.0")]
    [Description("Instantly kills players who would otherwise enter the wounded state.")]
    public class WoundToDeath : RustPlugin
    {
        private const string PermUse = "woundtodeath.use";

        private PluginConfig config;

        public class PluginConfig
        {
            [JsonProperty("Kill players below max health fraction")]
            public float HealthFractionThreshold = 0.35f;

            [JsonProperty("Ignore fall damage")]
            public bool IgnoreFallDamage = true;

            [JsonProperty("Notify the victim")]
            public bool NotifyPlayer = true;
        }

        protected override void LoadDefaultConfig() => config = new PluginConfig();

        protected override void LoadConfig()
        {
            base.LoadConfig();
            try
            {
                config = Config.ReadObject<PluginConfig>();
                if (config == null) throw new Exception();
            }
            catch
            {
                PrintWarning("Configuration file is invalid, using defaults");
                LoadDefaultConfig();
            }
            SaveConfig();
        }

        protected override void SaveConfig() => Config.WriteObject(config);

        protected override void LoadDefaultMessages()
        {
            lang.RegisterMessages(new Dictionary<string, string>
            {
                ["Wounded"] = "You were downed and finished off instead of crawling."
            }, this);
        }

        private string Msg(string key, string userId = null, params object[] args)
        {
            return string.Format(lang.GetMessage(key, this, userId), args);
        }

        private void Init()
        {
            permission.RegisterPermission(PermUse, this);
        }

        private object OnPlayerWound(BasePlayer player, HitInfo info)
        {
            if (player == null || !player.IsConnected || player.IsDead())
                return null;

            if (config.IgnoreFallDamage && info != null && info.damageTypes != null)
            {
                if (info.damageTypes.GetMajorityDamageType() == Rust.DamageType.Fall)
                    return null;
            }

            if (!permission.UserHasPermission(player.UserIDString, PermUse))
                return null;

            float threshold = player.MaxHealth() * Mathf.Clamp01(config.HealthFractionThreshold);
            if (player.health > threshold)
                return null;

            if (config.NotifyPlayer)
                player.ChatMessage(Msg("Wounded", player.UserIDString));

            float remaining = player.health;
            if (remaining <= 0f)
                remaining = 1f;

            player.Hurt(remaining + 1f, Rust.DamageType.Bullet);
            return true;
        }
    }
}