FastForward mod for Idol Manager. This mod speeds up the game's time by 5x when you press '4' or click the fast-forward button twice!
This is a little example mod to demonstrate the capabilities of IM-HarmonyIntegration
Ensure you have the following prerequisites installed to develop and run the mod:
- Clone the Repository:
Download the source files by cloning this git repository. The command will create an
IM-FastForwardfolder with all the files downloaded.
git clone https://github.com/ui3TD/IM-FastForward- Gather Important .dll Files:
Collect the following key .dll files from your Idol Manager installation directory and place them in a convenient folder such as a folder called
dllalongside theIM-FastForwardfolder:0Harmony.dll: Located in theBepInEx\corefolder.Assembly-CSharp.dll: Located in theIM_Data\Managedfolder.Assembly-CSharp-firstpass.dll: Located in theIM_Data\Managedfolder.directory.UnityEngine.UI.dll: Located in theIM_Data\Managedfolder.Unity.TextMeshPro.dll: Located in theIM_Data\Managedfolder.DOTween.dll: Located in theIM_Data\Managedfolder.
- Open and Configure the Project:
Open the
FastForward.csprojfile in Visual Studio. - Set Output Directory:
Change the
<ModOutputDir>path to where you want your mod files to be output. By default, it points to a folder calledModsalongside theIM-FastForwardfolder.
<ModOutputDir>$(SolutionDir)\..\..\Mods</ModOutputDir>- Set DLL Directory:
Change the
<dllDir>path to the folder where you placed your .dll files. By default, it points to a folder calleddllalongside theIM-FastForwardfolder.
<dllDir>$(SolutionDir)\..\..\dll</dllDir>- Open the Solution File:
Double-click the
FastForward.slnfile to open it in Visual Studio. - Check Dependencies:
In the Solution Explorer, ensure all your .dll files are detected under
Dependencies > Assemblies. If they are not listed, verify steps 2 and 5.
- Check NuGet Packages:
Ensure required NuGet packages are installed. If they are not automatically downloaded, you can try running
setup_nuget_packages.batto install the packages. Otherwise, right-clickPackagesunderDependenciesin the Solution Explorer and selectManage NuGet Packages...to search for and install the required packages:- Package:
Microsoft.NETFramework.ReferenceAssemblies.net46Version: 1.0.3 Source: http://api.nuget.org/v3/index.json UnityEngine.ModulesVersion: 2019.4.23 Source: https://nuget.bepinex.dev/v3/index.json
- Package:
- Build the Solution:
To build the solution, select
Build > Build Solutionfrom the top menu in Visual Studio.
Congratulations, you've created the mod!
- Enable Debug Console:
Edit the
Idol Manager\BepInEx\config\BepInEx.cfgfile. Under[Logging.Console], setEnabled = true. This will allow you to see the debug console when you run Idol Manager. - Rename Files: Start with this base mod and rename your files within the Visual Studio Solution Explorer.
- Configure the Mod Info:
Open the .csproj file to input all of your mod information. The .csproj file is set up to automatically generate the mod
info.jsonfile. ForHarmonyID, it's recommended to use Reverse Domain Name Notation so that the ID is unique and organized.
<ModName>YourModName</ModName>
<HarmonyID>com.yourdomain.modname</HarmonyID>
<ModDescription>Input your mod description here</ModDescription>
<Authors>YourName</Authors>
<Version>1.0.0</Version>
<Tags>["gameplay"]</Tags>- Update Mod Files:
Modify all your mod's files in the
assetsfolder. As noted in Step 2, theinfo.jsonwill be automatically generated. - Develop Your Mod: Edit the .cs to develop your mod.
- Open
Assembly-CSharp.dllin dnSpy to explore the game's code and identify what to patch. - Check out the official Harmony documentation here.
- This is a great Youtube tutorial introducing Harmony.
- Join the Idol Manager Official Discord to discuss with others in the modding community.

