MrDayNight

🕰️ MrDayNight

by Genesis Project

> Take control of Valheim’s time itself — extend the light, embrace the dark.

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📜 Overview

MrDayNight is a simple yet powerful mod that lets you control the duration of day and night in Valheim. Customize how long the sun shines or how long the shadows last — whether you want endless daylight or a world trapped in eternal night.

Perfect for both server administrators and solo adventurers, it provides fine-grained control over the day/night cycle while staying fully synced across multiplayer worlds.

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⚙️ Features

• ✅ Customize day length and night length individually (in seconds).
• ✅ Fully synchronized across clients when used on a server with Jötunn.
• ✅ Automatically enforces server settings — players cannot override them.
• ✅ Works in single player (local settings) and multiplayer (server-synced).
• ✅ Clean logs and 100% compatible with all environment mods.

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🔧 Configuration

After launching the game once, the config file will be created at:

BepInEx/config/genesisproj.mrdaynight.cfg

Example:

[Tempo]
## Duração do dia em segundos (default = 1200)
# Setting type: Single
# Default value: 1200
DayLength = 1200

## Duração da noite em segundos (default = 600)
# Setting type: Single
# Default value: 600
NightLength = 600

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🧩 Dependencies

| Mod | Required | Purpose | |------|-----------|----------| | BepInExPack Valheim | ✅ | Core mod loader | | Jötunn | ✅ | Syncs configurations between server and clients |

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🧠 How It Works

• When a world starts, MrDayNight hooks into the EnvMan initialization.
• The mod sets EnvMan.m_dayLengthSec based on your chosen values.
• On servers, these values are propagated to all connected players automatically.
• In single player, your local config values are used.

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🏰 Server Behavior

| Environment | Behavior | |--------------|-----------| | Dedicated server with Jötunn | Server config is enforced on all clients. | | Single player | Local configuration applies. | | Vanilla server (without Jötunn) | Each client uses local config independently. |

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🧑‍💻 Technical

• Built using BepInEx 5.4+, HarmonyX, and Jötunn 2.26.1.
• Written in C# targeting .NET Framework 4.8.
• Thread-safe, no reflection abuse, and uses clean Harmony patches.

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📦 Installation

1. Install BepInExPack for Valheim.
2. Install Jötunn.
3. Extract the contents of this mod to:

   Valheim/BepInEx/plugins/

1. Launch the game.
2. Configure and enjoy your custom day/night balance.

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🧙‍♂️ Credits

• Developed by BRKiHeL / Genesis Project
• Built with Jötunn Modding Framework
• Inspired by Valheim’s mystical world and community creativity

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🐉 License

This project is open source under the MIT License. Feel free to modify or redistribute, crediting Genesis Project.