DamageBoostModule.cs

using System;
using BepInEx.Configuration;
using HarmonyLib;
using UnityEngine;

namespace HTFToolkit
{
    /// <summary>
    /// 伤害倍率：Harmony 前缀改写 Server.HitCreature 的 damage —— 只放大本地玩家的攻击
    /// （playerWhoHit == Player.LocalPlayer），其他玩家不受影响。爆头倍率在游戏内部
    /// （TakeDamage 里 HeadShotDamageMulti）已先算好，此 patch 在其后叠加。
    /// 近战/枪械/鱼叉等一切对生物的伤害都走 HitCreature 通道。可自行设置任意倍数。
    /// </summary>
    internal static class DamageBoostModule
    {
        public static bool Enabled;

        private static float _mult = 3f;

        /// <summary>最近一次设置的倍率。</summary>
        public static float LastRequested => _mult;

        public static void BindConfig(ConfigFile cfg)
        {
        }

        public static void ApplyPatches(Harmony harmony)
        {
            try
            {
                var m = AccessTools.Method(typeof(Server), "HitCreature");
                if (m != null)
                {
                    harmony.Patch(m,
                        prefix: new HarmonyMethod(AccessTools.Method(typeof(DamageBoostModule), nameof(PrefixBoost))));
                }
            }
            catch (Exception e)
            {
                Plugin.Log?.LogWarning($"DamageBoost patch failed: {e.Message}");
            }
        }

        private static void PrefixBoost(Creature creature, Player playerWhoHit, ref int damage)
        {
            if (Enabled && damage > 0 && playerWhoHit != null && playerWhoHit == Player.LocalPlayer)
                damage = Mathf.Max(1, Mathf.RoundToInt(damage * _mult));
        }

        public static void SetMultiplier(float mult)
        {
            if (mult <= 0f)
            {
                ToastModule.Show("伤害倍率需大于 0", Color.yellow);
                return;
            }
            _mult = mult;
            Enabled = true;
            ToastModule.Show($"伤害倍率 ×{mult:0.##}", Color.white);
        }

        public static void Reset()
        {
            _mult = 1f;
            Enabled = false;
            ToastModule.Show("伤害倍率已恢复 ×1", Color.white);
        }

        // ---------------- 菜单 UI（工具页内嵌编辑器）----------------

        private static string _inputMult = "3";
        private static GUIStyle _fieldStyle;
        private static GUIStyle _hintStyle;

        public static void DrawEditor()
        {
            if (Event.current == null)
                return;

            if (_fieldStyle == null)
            {
                _fieldStyle = new GUIStyle(GUI.skin.textField)
                {
                    fontSize = UIScale.TextFont,
                    alignment = TextAnchor.MiddleLeft
                };
                _hintStyle = new GUIStyle(GUI.skin.label)
                {
                    normal = { textColor = new Color(0.75f, 0.75f, 0.75f) }
                };
            }
            _fieldStyle.fontSize = UIScale.TextFont;
            _hintStyle.fontSize = UIScale.HintFont;

            GUILayout.BeginHorizontal();
            _inputMult = GUILayout.TextField(_inputMult, _fieldStyle, GUILayout.Width(UIScale.W * 0.16f), GUILayout.Height(UIScale.ButtonH));
            if (GUILayout.Button("设为该倍率", UIScale.ButtonStyle, GUILayout.Height(UIScale.ButtonH), GUILayout.Width(UIScale.W * 0.22f)))
            {
                if (float.TryParse((_inputMult ?? "").Trim(), out float v) && v > 0f)
                    SetMultiplier(v);
                else
                    ToastModule.Show("倍率无效（需大于 0 的数字）", Color.yellow);
            }
            if (GUILayout.Button("恢复 ×1", UIScale.ButtonStyle, GUILayout.Height(UIScale.ButtonH), GUILayout.Width(UIScale.W * 0.18f)))
                Reset();
            GUILayout.EndHorizontal();

            GUILayout.Label($"当前伤害倍率: ×{_mult:0.##}（对生物生效：近战/枪械/鱼叉）", _hintStyle);
        }
    }
}