使用说明：
1.解压缩
2.运行update目录下的setup.exe安装升级档
3.复制codex目录下的文件到游戏安装目录
4.开始游戏
升级档安装步骤：
1.安装《瘟疫2》CODEX版游戏：Pathologic.2-CODEX
2.安装《瘟疫2》2号升级档：https://patch.ali213.net/showpatch/120381.html
3.安装本升级档
更新内容：
机翻：
更新3:
优化
改善内存使用(加载和重新启动游戏现在需要更少的内存);
降低着色器缓存所需的内存;
降低视频内存的使用。
AI补丁:
稍微改善了医护人员的行为;
瘟疫云现在更容易绝望;
npc在受到攻击时反应更快;
固定士兵动画(他们现在更好地与他们的行为模式相关联);
修正NPC投降时的行为;
改善人大导航;
修正了一些npc在罕见的任务相关情况下缺少战斗动画的问题。
任务和逻辑修正:
(注意!)当玩家离开屠宰场时，关键物品不再有消失的机会;
修正了一个不幸的错误，使所有项目从球员隐藏消失;
修正了一些任务的开始和结束条件(例如，萨布罗夫在试图捕获你之后将不再试图捕获你);
修正了关于父屋的问题;
在要求你与城镇居民进行物物交换的过程中，游戏现在正确地显示出它提高了你的声望;
一些任务相关的物品现在会在适当的时候消失，而不是在游戏世界中徘徊;
修正了一些不幸的短语和名字错误;
修正了在任务相关的情况下一些门会锁住你的bug;
修正了一些对话条件错误;
修正了错误的想法(在游戏中)。
动画修复:
npc现在更擅长用他们的脸和眼睛跟随玩家;
对妇女运动的小修正;
面部动画的小修复;
一些对话动画中更自然的姿势;
士兵?瞄准不再是不稳定的。
视觉修复:
被烧伤的人会产生更漂亮的烟雾;
一些角色不再漂浮在指定的位置上(愉快的着陆);
改进了Aglaya脸上的阴影;
改善了火的外观(使它不那么明亮);
轻微的碰撞修复;
固定栅栏上的视觉故障;
改善台灯投下的阴影;
肿块里的光线变得更漂亮了;
提高室内照明的整体质量，特别是通过门道;
修复了村庄码头;
现在一些详细的模型从更远的地方加载(使游戏更漂亮);
修正相机运动不稳定的问题;
部分固定不正确的血液粒子击中对手;
草现在看得更远了;
固定画在门上的十字架的外观;
修正了地图上闪烁的工具提示(当光标放在人物肖像上时发生);
固定颤抖对话选项(这是一个错误，不是一个引人注目的讲故事技巧)。
音频修复:
音频平衡普遍改善;
坩埚里恢复了音乐(维克多·温);
改进了左轮手枪和步枪的声音;
为果壳添加了音乐。
Misc:
将gamma滑块的一个凹槽缩小两倍，这意味着现在更容易对它进行微调;
在图形设置中添加了VSync选项，允许将FPS设置为?，或显示刷新率(以FPS为代价提高性能);
修正了oad游戏的bug ?使加载和删除保存按钮在没有有效保存的情况下仍然处于活动状态的屏幕;
潜行现在是活动期间的按钮被按下，而不是切换;
输入错误。
原文：
Update 3:
Optimization
improved memory usage (loading and relaunching the game now requires less memory);
lowered the amount of memory required by the shader cache;
lowered video memory usage.
AI Fixes:
improved corpsmen behavior a bit;
plague clouds are now better at despawning;
NPCs react faster when someone attacks their allies;
fixed soldier animations (they correlate better with their behavior patterns now);
fixed NPC behavior upon surrendering;
improved NPC navigation;
fixed the lack of fighting animations for some NPCs in rare quest-related situations.
Quest and Logic Fixes:
(NB!) crucial items no longer have a chance to disappear upon the player leaving the Abattoir;
fixed an unfortunate bug that made all items disappear from the player hideout;
fixed the start and end conditions for some quests (e.g., Saburov will no longer try to capture you after he done with trying to capture you);
fixed the issues with the quest about Father house;
in the quest that has you barter with the townsfolk, the game now correctly displays the fact that it improves your reputation;
some quest-related items now properly disappear when their time is due instead of lingering in the game world;
fixed some unfortunate phrases and name errors;
fixed the bug that made some doors lock on you in quest-related situations;
fixed some dialogue condition errors;
fixed the wrong thoughts (and in the game).
Animation Fixes:
NPCs are now better at following the player with their faces and eyes;
minor fixes to women movement;
minor fixes to facial animations;
more natural poses in some dialogue animations;
soldiers?aiming is no longer jerky.
Visual Fixes:
burned people now produce prettier smoke;
some characters no longer float above their designated places (happy landing);
improved the shadows on Aglaya face;
improved the look of fire (and made it less bright);
minor collision fixes;
fixed visual glitches on fences;
improved the shadows cast by table lamps;
the lighting in the Lump has become slightly prettier;
improved the overall quality of indoor lighting, especially through doorways;
fixed the village quay;
now some detailed models load from further away (making the game a bit prettier);
fixed jerky camera movement;
partially fixed the incorrect blood particles upon hitting the opponent;
the grass now looks more even from afar;
fixed the look of the crosses drawn on doors;
fixed the blinking tooltips on the map (happened when the cursor was placed on a character portrait);
fixed trembling dialogue options (it was a bug, not a compelling storytelling technique).
Audio Fixes:
audio balance generally improved;
restored music to the Crucible (Victor wing);
improved revolver and rifle sounds;
added music to the Nutshell.
Misc:
made a single notch of the gamma slider twice as small, meaning it now easier to fine-tune it;
added VSync options to the graphic settings, that allows to set the FPS to ? ?, or ?of you display refresh rate (improves performance at the cost of FPS);
fixed the bug on the oad Game?screen that made the Load and Delete Save buttons active even in the absence of a valid save;
stealth is now active for the duration of the button being pressed, not toggled;
typos.
BY CODEX