Pathoschild.Stardew.ModBuildConfig 4.3.2

dotnet add package Pathoschild.Stardew.ModBuildConfig --version 4.3.2                
NuGet\Install-Package Pathoschild.Stardew.ModBuildConfig -Version 4.3.2                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Pathoschild.Stardew.ModBuildConfig" Version="4.3.2" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Pathoschild.Stardew.ModBuildConfig --version 4.3.2                
#r "nuget: Pathoschild.Stardew.ModBuildConfig, 4.3.2"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Pathoschild.Stardew.ModBuildConfig as a Cake Addin
#addin nuget:?package=Pathoschild.Stardew.ModBuildConfig&version=4.3.2

// Install Pathoschild.Stardew.ModBuildConfig as a Cake Tool
#tool nuget:?package=Pathoschild.Stardew.ModBuildConfig&version=4.3.2                

SMAPI

The mod build package is an open-source NuGet package which automates the MSBuild configuration for SMAPI mods and related tools. The package is fully compatible with Linux, macOS, and Windows.

Contents

Use

  1. Create an empty library project.
  2. Reference the Pathoschild.Stardew.ModBuildConfig NuGet package.
  3. Write your code.
  4. Compile on any platform.
  5. Run the game to play with your mod.

Features

The package includes several features to simplify mod development (see configure to change how these work):

  • Detect game path:
    The package automatically finds your game folder by scanning the default install paths and Windows registry. It adds two MSBuild properties for use in your .csproj file if needed: $(GamePath) and $(GameModsPath).

  • Add assembly references:
    The package adds assembly references to MonoGame, SMAPI, Stardew Valley, and xTile. It automatically adjusts depending on which OS you're compiling it on. If you use Harmony, it can optionally add a reference to that too.

  • Copy files into the Mods folder:
    The package automatically copies your mod's DLL and PDB files, manifest.json, i18n files (if any), and the assets folder (if any) into the Mods folder when you rebuild the code, with a subfolder matching the mod's project name. That lets you try the mod in-game right after building it.

  • Create release zip:
    The package adds a zip file in your project's bin folder when you rebuild the code, in the format recommended for uploading to mod sites like Nexus Mods. This includes the same files as the previous feature.

  • Launch or debug mod:
    On Windows only, the package configures Visual Studio so you can launch the game and attach a debugger using Debug > Start Debugging or Debug > Start Without Debugging. This lets you set breakpoints in your code while the game is running, or make simple changes to the mod code without needing to restart the game. This is disabled on Linux/macOS due to limitations with the Mono wrapper.

  • Preconfigure common settings:
    The package automatically enables .pdb files (so error logs show line numbers to simplify debugging), and enables support for the simplified SDK-style .csproj format.

  • Add code warnings:
    The package runs code analysis on your mod and raises warnings for some common errors or pitfalls. See code warnings for more info.

Configure

How to set options

You can configure the package by setting build properties, which are essentially tags like this:

<PropertyGroup>
    <ModFolderName>CustomModName</ModFolderName>
    <EnableModDeploy>false</EnableModDeploy>
</PropertyGroup>

There are two places you can put them:

  • Global properties apply to every mod project you open on your computer. That's recommended for properties you want to set for all mods (e.g. a custom game path). Here's where to put them:

    1. Open the home folder on your computer (see instructions for Linux, macOS, or Windows).
    2. Create a stardewvalley.targets file with this content:
      <Project>
         <PropertyGroup>
         </PropertyGroup>
      </Project>
      
    3. Add the properties between the <PropertyGroup> and </PropertyGroup>.
  • Project properties apply to a specific project. This is mainly useful for mod-specific options like the mod name. Here's where to put them:

    1. Open the folder containing your mod's source code.
    2. Open the .csproj file in a text editor (Notepad is fine).
    3. Add the properties between the first <PropertyGroup> and </PropertyGroup> tags you find.

Note: you can't use a property before it's defined. That mainly means that when setting GameModsPath, you'll need to either specify GamePath manually or put the full path in GameModsPath.

Available properties

These are the options you can set.

Common properties
property effect
GamePath The absolute path to the Stardew Valley folder. This is auto-detected, so you usually don't need to change it.
GameModsPath The absolute path to the folder containing the game's installed mods (defaults to $(GamePath)/Mods), used when deploying the mod files.
Mod build properties
property effect
EnableHarmony Whether to add a reference to Harmony (default false). This is only needed if you use Harmony.
EnableModDeploy Whether to copy the mod files into your game's Mods folder (default true).
EnableModZip Whether to create a release-ready .zip file in the mod project's bin folder (default true).
ModFolderName The mod name for its folder under Mods and its release zip (defaults to the project name).
ModZipPath The folder path where the release zip is created (defaults to the project's bin folder).
Specialized properties

These properties should usually be left as-is.

property effect
EnableGameDebugging Whether to configure the project so you can launch or debug the game through the Debug menu in Visual Studio (default true). There's usually no reason to change this, unless it's a unit test project.
IgnoreModFilePaths A comma-delimited list of literal file paths to ignore, relative to the mod's bin folder. Paths are case-sensitive, but path delimiters are normalized automatically. For example, this ignores a set of tilesheets: <IgnoreModFilePaths>assets/paths.png, assets/springobjects.png</IgnoreModFilePaths>.
IgnoreModFilePatterns A comma-delimited list of regex patterns matching files to ignore when deploying or zipping the mod files (default empty). For crossplatform compatibility, you should replace path delimiters with [/\\]. For example, this excludes all .txt and .pdf files, as well as the assets/paths.png file: <IgnoreModFilePatterns>\.txt$, \.pdf$, assets[/\\]paths.png</IgnoreModFilePatterns>.
BundleExtraAssemblies

(Specialized) Most mods should not change this option.

By default (when this is not enabled), only the mod files normally considered part of the mod will be added to the release .zip and copied into the Mods folder (i.e. "deployed"). That includes the assembly files (*.dll, *.pdb, and *.xml) for your mod project, but any other DLLs won't be deployed.

Enabling this option will add all dependencies to the build output, then deploy some of them depending on the comma-separated value(s) you set:

option result
ThirdParty Assembly files which don't match any other category.
System Assembly files whose names start with Microsoft.* or System.*.
Game Assembly files which are part of MonoGame, SMAPI, or Stardew Valley.
All Equivalent to System, Game, ThirdParty.

Most mods should omit the option. Some mods may need ThirdParty if they bundle third-party DLLs with their mod. The other options are mainly useful for unit tests.

When enabling this option, you should manually review which files get deployed and use the IgnoreModFilePaths or IgnoreModFilePatterns options to exclude files as needed.

Bundle content packs

You can bundle any number of content packs with your main C# mod. They'll be grouped with the main mod into a parent folder automatically, which will be copied to the Mods folder and included in the release zip.

To do that, add an ItemGroup with a ContentPacks line for each content pack you want to include:

<ItemGroup>
    <ContentPacks Include="content packs/[CP] SomeContentPack" Version="$(Version)" />
    <ContentPacks Include="content packs/[CP] AnotherContentPack" Version="$(Version)" />
</ItemGroup>

You can use these properties for each line:

property effect
Include (Required) The path to the content pack folder. This can be an absolute path, or relative to the current project.
Version (Required) The expected version of the content pack. This should usually be the same version as your main mod, to keep update alerts in sync. The package will validate that the included content pack's manifest version matches.
FolderName (Optional) The content pack folder name to create. Defaults to the folder name from Include.
ValidateManifest (Optional) Whether to validate that the included mod has a valid manifest.json file and version. Default true.
IgnoreModFilePaths (Optional) A list of file paths to ignore (relative to the content pack's directory); see IgnoreModFilePaths in the main settings. Default none.
IgnoreModFilePatterns (Optional) A list of file regex patterns to ignore (relative to the content pack's directory); see IgnoreModFilePatterns in the main settings. Default none.

Code warnings

Overview

The NuGet package adds code warnings in Visual Studio specific to Stardew Valley. For example:
alternate text is missing from this package README image

You can hide the warnings if needed using the warning ID (shown under 'code' in the Error List).

See below for help with specific warnings.

Avoid net field

Warning text:

'{{expression}}' is a {{net type}} field; consider using the {{property name}} property instead.

Your code accesses a net field, but the game has an equivalent non-net property.

Suggested fix: access the suggested property name instead.

Avoid obsolete field

Warning text:

The '{{old field}}' field is obsolete and should be replaced with '{{new field}}'.

Your code accesses a field which is obsolete or no longer works. Use the suggested field instead.

Wrong processor architecture

Warning text:

The target platform should be set to 'Any CPU' for compatibility with both 32-bit and 64-bit versions of Stardew Valley (currently set to '{{current platform}}').

Mods can be used in either 32-bit or 64-bit mode. Your project's target platform isn't set to the default 'Any CPU', so it won't work in both. You can fix it by setting the target platform to 'Any CPU'.

FAQs

How do I set the game path?<span id="custom-game-path"></span>

The package detects where your game is installed automatically, so you usually don't need to set it manually. If it can't find your game or you have multiple installs, you can specify the path yourself.

To do that:

  1. Get the full folder path containing the Stardew Valley executable.
  2. See configure to add this property:
    <PropertyGroup>
        <GamePath>PATH_HERE</GamePath>
    </PropertyGroup>
    
  3. Replace PATH_HERE with your game's folder path (don't add quotes).

The configuration will check your custom path first, then fall back to the default paths (so it'll still compile on a different computer).

How do I change which files are included in the mod deploy/zip?

Can I use the package for non-mod projects?

Yep, this works in unit tests and framework projects too. Just disable the mod-related package features (see configure):

<EnableGameDebugging>false</EnableGameDebugging>
<EnableModDeploy>false</EnableModDeploy>
<EnableModZip>false</EnableModZip>

To copy referenced DLLs into your build output for unit tests, add this too:

<BundleExtraAssemblies>All</BundleExtraAssemblies>

For SMAPI developers

The mod build package consists of three projects:

project purpose
StardewModdingAPI.ModBuildConfig Configures the build (references, deploying the mod files, setting up debugging, etc).
StardewModdingAPI.ModBuildConfig.Analyzer Adds C# analyzers which show code warnings in Visual Studio.
StardewModdingAPI.ModBuildConfig.Analyzer.Tests Unit tests for the C# analyzers.

The NuGet package is generated automatically in StardewModdingAPI.ModBuildConfig's bin folder when you compile it.

See also

There are no supported framework assets in this package.

Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

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GitHub repositories (6)

Showing the top 5 popular GitHub repositories that depend on Pathoschild.Stardew.ModBuildConfig:

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Mods for Stardew Valley using SMAPI.
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