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| # Unity3D v2 - FAQ | ||
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| - [Usage](./usage.md) | ||
| - [Available Short-Hand Properties](./short-hand-properties.md) | ||
| - -> FAQ | ||
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| 1. **Why would I use this NuGet package?** | ||
| The primary, intended use case for this NuGet is for Unity developers writing [managed plugins](https://docs.unity3d.com/Manual/UsingDLL.html) | ||
| (pre-compiled DLLs that will be imported into Unity) that also depend on Unity APIs. | ||
| It allows developers to reference the Unity assemblies via `Reference` items in their project files, just like they might reference any other NuGet package or local assembly, | ||
| without having to remember Unity's assembly paths or keep them up-to-date and cross-platform. | ||
| With the option to [use Unity as a library](https://blogs.unity3d.com/2019/06/17/add-features-powered-by-unity-to-native-mobile-apps/) in 2019.3+, | ||
| developers might also use this package in native mobile apps created with [Xamarin](https://dotnet.microsoft.com/apps/xamarin), | ||
| or in really any library or executable that needs access to the Unity APIs. | ||
| 1. **How does this work?** | ||
| This NuGet package [imports an MSBuild .targets file](https://docs.microsoft.com/en-us/nuget/create-packages/creating-a-package#including-msbuild-props-and-targets-in-a-package) into your project, | ||
| which adds the various properties and `Reference` items at build time. | ||
| The Unity version can be set via a `UnityVersion` MSBuild property or | ||
| parsed from the `ProjectVersion.txt` file of the Unity project at `UnityProjectPath` (using `File.ReadAllText`) | ||
| in an [MSBuild static property function](https://docs.microsoft.com/en-us/visualstudio/msbuild/property-functions?static-property-functions). | ||
| 1. **Are the `Reference` paths really cross-platform?** | ||
| Yes, but only paths that begin with the default `$(OSInstallRootPath)` and `$(UnityInstallRootPath)` properties, or with a custom relative or cross-platform base path that you define. | ||
| This works through a magical little combination of [MSBuild Conditions](https://docs.microsoft.com/en-us/visualstudio/msbuild/msbuild-conditions) | ||
| and the [`IsOsPlatform()` Property Function](https://docs.microsoft.com/en-us/visualstudio/msbuild/property-functions#msbuild-property-functions). | ||
| 1. **Is this package officially maintained by Unity Technologies?** | ||
| No, it is maintained by [one wild and crazy guy](https://github.com/Rabadash8820). | ||
| However, this package will be submitted to Unity Technologies as it gains traction, | ||
| **_so that maybe we can finally have an officially supported NuGet package for Unity assemblies!_** | ||
| 1. **If not, how is this package legal?** | ||
| Well, it's not actually distributing the Unity assembly binaries, just MSBuild files that reference them. | ||
| This NuGet package won't do anything (except add some build warnings) if you haven't actually installed a version of Unity on your machine. | ||
| 1. **Can you help me solve [error] in Unity [version]?** | ||
| Possibly. Compatibility is only tested with, and support offered for, the latest Unity [LTS releases](https://unity3d.com/unity/qa/lts-releases) and the TECH stream releases of the current year. | ||
| Unity does not officially support versions older than that, so neither does this package! | ||
| That said, if you're having an issue with an older version of Unity, there's a good chance that someone in this community has seen it before, | ||
| so feel free to [open an Issue](https://github.com/Rabadash8820/UnityAssemblies/issues)! | ||
| 1. **With which Unity versions has this package been officially tested?** | ||
| In the following: | ||
| - Unity 6 Beta | ||
| - 2023.2, 2023.1 | ||
| - 2022.3 LTS, 2022.2, 2022.1 | ||
| - 2021.3 LTS, 2021.2, 2021.1 | ||
| - 2020.3 LTS, 2020.1 | ||
| - 2019.4 LTS | ||
| - 2018.4 LTS | ||
| 1. **Can I use this package in my CI/CD Pipeline?** | ||
| Most likely, [yes](./usage.md#cicd-pipelines)! | ||
| 1. **Why hasn't this repository been updated since [date]?** | ||
| This NuGet package is very simple, with most of its functionality contained in a [single file](../../nupkg/build/Unity3D.targets). | ||
| Between that, and the package's use of forward-compatible properties like `UnityVersion` that can be tweaked at design time, | ||
| this repository simply does not require frequent updates. | ||
| Most changes going forward will be to add more short-hand properties, and to add test projects for new versions of Unity. |
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| # Unity3D v2 - Available Short-Hand Properties | ||
|
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| - [Usage](./usage.md) | ||
| - -> Available Short-Hand Properties | ||
| - [FAQ](./faq.md) | ||
|
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| Note that, unless otherwise noted, _any_ of the following properties can be overwritten by setting the property manually in your MSBuild project files. | ||
| For example, to change the UI assembly's path, you could set: | ||
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| ```xml | ||
| <UnityEngineUIPath>path\to\UnityEngine.UI.dll</UnityEngineUIPath> | ||
| ``` | ||
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| As assembly paths change in future versions of Unity, you can continue referencing them by overwriting these properties, until the properties are updated in this package. | ||
| This ability makes this NuGet package truly "forward-compatible". | ||
| You can manually override the property for a single assembly (e.g., `UnityEnginePath`), | ||
| or for many assemblies under the same absolute/relative base path (e.g., `UnityModulesPath` or `UnityModulesDir`). | ||
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| Generally, properties named `*Path` are absolute paths, and properties named `*Dir` or `*Assembly` are relative paths. | ||
| Most assembly path properties (e.g., `UnityPackageCachePath`) are a combination of a relative path property (e.g., `UnityPackageCacheDir`) | ||
| and a base path, which might use another short-hand property. | ||
| Through clever use of these properties, you can even reference assemblies from more than one Unity project. | ||
| You might do this if you wanted to reference an assembly at the same relative path in two different Unity projects under different conditions. | ||
| You could use the same _relative_ short-hand property in both cases, but set the base path conditionally. | ||
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| The assembly paths under the `Library/PackageCache` folder use the `*` wildcard. | ||
| This spares you from hard-coding a UPM package version and updating it every time you update the package in Unity's Package Manager window. | ||
| Unity only stores one version of a Package in the `PackageCache` folder, so you don't need to worry about multiple versions of the same Package being referenced by the wildcard. | ||
| When adding references to other UPM package assemblies, you should precede the `*` wildcard with `%40` | ||
| (an [MSBuild-escaped](https://learn.microsoft.com/en-us/visualstudio/msbuild/how-to-escape-special-characters-in-msbuild#to-use-an-msbuild-special-character-as-a-literal-character) `@` character) | ||
| to prevent conflicts with "sub-namespace" assembly names. | ||
| For example, you could reference both `org.nuget.microsoft.extensions.logging%40*\Microsoft.Extensions.Logging.dll` and | ||
| `org.nuget.microsoft.extensions.logging.abstractions%40*\Microsoft.Extensions.Logging.Abstractions.dll`, without the former's wildcard overwriting the latter. | ||
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| **Note: It is worth repeating that, unless otherwise noted, _any_ of these properties can be manually overridden.** | ||
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| | Property | Default value | Comments | | ||
| |:---------|:--------------|:---------| | ||
| | `OSInstallRootPath` | `C:\Program Files` on Windows, `/Application` on MacOS, or `/home/<username>` on Linux. | | | ||
| | `UnityVersionMajor` | 0 | Major version parsed from `UnityVersion` (e.g., `2021` from `2021.3.5f1`). Cannot be overriden. | | ||
| | `UnityVersionMinor` | 0 | Minor version parsed from `UnityVersion` (e.g., `3` from `2021.3.5f1`). Cannot be overriden. | | ||
| | `UnityVersionPatch` | 0 | Patch version parsed from `UnityVersion` (e.g., `5f1` from `2021.3.5f1`). Cannot be overriden. | | ||
| | `UnityVersionAsNumber` | 0.0 | Equals `$(UnityVersionMajor).$(UnityVersionMinor)`. Cannot be overriden. Useful for making numeric comparisons against the Unity version in MSBuild Conditions. | | ||
| | `UnityInstallRootDir` | `Unity\Hub\Editor` | Referenced by `UnityInstallRootPath`. | | ||
| | `UnityInstallRootPath` | `$(OSInstallRootPath)\$(UnityInstallRootDir)` | | | ||
| | `UnityVersionInstallPath` | `$(UnityInstallRootPath)\$(UnityVersion)` | | | ||
| | `UnityManagedDir` | `Editor\Data\Managed` on Linux/Windows or `Unity.app\Contents\Managed` on MacOS. | Referenced by `UnityManagedPath`. | | ||
| | `UnityManagedPath` | `$(UnityVersionInstallPath)\$(UnityManagedDir)` | | | ||
| | `UnityExtensionsDir` | `Editor\Data\UnityExtensions\Unity` on Linux/Windows or `Unity.app\Contents\UnityExtensions\Unity` on MacOS. | Referenced by `UnityExtensionsPath`. | | ||
| | `UnityExtensionsPath` | `$(UnityVersionInstallPath)\$(UnityExtensionsDir)` | | | ||
| | `UnityModulesDir` | `UnityEngine` | Referenced by `UnityModulesPath`. | | ||
| | `UnityModulesPath` | `$(UnityManagedPath)\$(UnityModulesDir)` | This folder contains assemblies for Unity's core modules like the Audio, Animation, and ParticleSystem modules. References to those assemblies are added by default in version 2.2.0+. See [instructions for removing them](./usage.md#removing-the-default-references). | | ||
| | `UnityPlaybackEnginesDir` | `Editor\Data\PlaybackEngines` | Referenced by `UnityPlaybackEnginesPath`. | | ||
| | `UnityPlaybackEnginesPath` | `$(UnityVersionInstallPath)\$(UnityPlaybackEnginesDir)` | This folder contains target-platform-specific assemblies, e.g. those for iOS/Android. | | ||
| | `UnityAndroidPlayerDir` | `$(UnityPlaybackEnginesDir)\AndroidPlayer` | Referenced by `UnityAndroidPlayerPath`. | | ||
| | `UnityAndroidPlayerPath` | `$(UnityVersionInstallPath)\$(UnityAndroidPlayerDir)` | | | ||
| | `UnityiOSSupportDir` | `$(UnityPlaybackEnginesDir)\iOSSupport` | Referenced by `UnityiOSSupportPath`. | | ||
| | `UnityiOSSupportPath` | `$(UnityVersionInstallPath)\$(UnityiOSSupportDir)` | | | ||
| | `UnityScriptAssembliesDir` | `Library\ScriptAssemblies` | Referenced by `UnityScriptAssembliesPath`. | | ||
| | `UnityScriptAssembliesPath` | `$(UnityProjectPath)\$(UnityScriptAssembliesDir)` | | | ||
| | `UnityBuiltInPackagesDir` | `Editor\Data\Resources\PackageManager\BuiltInPackages` | Referenced by `UnityBuiltInPackagesPath`. Only defined if `UnityVersion` is >= 2017.2. | | ||
| | `UnityBuiltInPackagesPath` | `$(UnityVersionInstallPath)\$(UnityBuiltInPackagesDir)` | This folder contains assemblies from Unity's built-in Packages, like IMGUI and TerrainPhysics (for all other UPM Package assemblies, see `UnityPackageCachePath`). Only defined if `UnityVersion` is >= 2017.2. | | ||
| | `UnityProjectPath` | N/A | This property has no default value. Set it to the absolute path of the root folder of your Unity project, so that you can easily reference Package and Asset Store assemblies (as [described above](./usage.md#referencing-assemblies-stored-in-a-unity-project)). | | ||
| | `UnityPackageCacheDir` | `Library\PackageCache` | Referenced by `UnityPackageCachePath`. Only defined if `UnityVersion` is >= 2017.2. | | ||
| | `UnityPackageCachePath` | `$(UnityProjectPath)\$(UnityPackageCacheDir)` | This folder contains assemblies from UPM packages (for built-in Packages, see `UnityBuiltInPackagesPath`). Only defined if `UnityVersion` is >= 2017.2. | | ||
| | `UnityEnginePath` | `$(UnityManagedPath)\UnityEngine.dll` | This reference is added by default in versions 2.1.3 and below. See [instructions to remove it](./usage.md#removing-the-default-references). | | ||
| | `UnityEditorPath` | `$(UnityManagedPath)\UnityEditor.dll` | | | ||
| | `UnityEngineUIPath` | `$(UnityScriptAssembliesPath)\UnityEngine.UI.dll` for Unity 2019.3+, `$(UnityExtensionsPath)\GUISystem\UnityEngine.UI.dll` for Unity 2019.2 and below | | | ||
| | `UnityEngineTestRunnerPath` | `$(UnityScriptAssembliesPath)\UnityEngine.TestRunner.dll` for Unity 2019.3+, `$(UnityExtensionsPath)\TestRunner\UnityEngine.TestRunner.dll` for Unity 2019.2 and below | | | ||
| | `UnityEditorAndroidExtensionsPath` | `$(UnityAndroidPlayerPath)\UnityEditor.Android.Extensions.dll` | See types under `UnityEditor > UnityEditor.Android` in the [Unity Scripting API docs](https://docs.unity3d.com/ScriptReference/index.html) | | ||
| | `UnityEditoriOSExtensionsCommonPath` | `$(UnityiOSSupportPath)\UnityEditor.iOS.Extensions.Common.dll` | See types under `UnityEditor > UnityEditor.iOS` in the [Unity Scripting API docs](https://docs.unity3d.com/ScriptReference/index.html) | | ||
| | `UnityEditoriOSExtensionsXcodePath` | `$(UnityiOSSupportPath)\UnityEditor.iOS.Extensions.Xcode.dll` | See types under `UnityEditor > UnityEditor.iOS` in the [Unity Scripting API docs](https://docs.unity3d.com/ScriptReference/index.html) | | ||
| | `NewtonsoftJsonAssembly` | `com.unity.nuget.newtonsoft-json%40*\Runtime\Newtonsoft.Json.dll` | Requires installation of the [Performance Testing Extension](https://docs.unity3d.com/Packages/com.unity.test-framework.performance@latest/index.html) for Unity Test Runner package. Referenced by `NewtonsoftJsonPath`. Only defined if `UnityVersion` is between 2019.3 and 2022.1, inclusive. | | ||
| | `NewtonsoftJsonPath` | `$(UnityPackageCachePath)\$(NewtonsoftJsonAssembly)` for Unity 2019.3-2022.1, `$(UnityManagedPath)\Newtonsoft.Json.dll` for Unity 2022.2+ | In Unity 2019.3-2022.1, requires installation of the [Performance Testing Extension](https://docs.unity3d.com/Packages/com.unity.test-framework.performance@latest/index.html) for Unity Test Runner package. No extra installations required in Unity 2022.2+. | | ||
| | `NunitAssembly` | `com.unity.ext.nunit%40*\net35\unity-custom\nunit.framework.dll` | Requires installation of the [Test Framework](https://docs.unity3d.com/Packages/com.unity.test-framework@latest/index.html) package. Referenced by `NunitPath`. Only defined if `UnityVersion` is >= 2019.2. | | ||
| | `NunitPath` | `$(UnityPackageCachePath)\$(NunitAssembly)` | Requires installation of the [Test Framework](https://docs.unity3d.com/Packages/com.unity.test-framework@latest/index.html) package. Only defined if `UnityVersion` is >= 2019.2. | | ||
| | `MoqAssembly` | `nuget.moq%40*\Moq.dll` | Requires installation of the [Test Framework](https://docs.unity3d.com/Packages/com.unity.test-framework@latest/index.html) package. In Unity 2020.1+, [download Moq from NuGet](https://www.nuget.org/packages/moq/) and import it as a managed plugin. Referenced by `MoqPath`. Only defined if `UnityVersion` is between 2019.2 and 2019.3, inclusive. | | ||
| | `MoqPath` | `$(UnityPackageCachePath)\$(MoqAssembly)` | Requires installation of the [Test Framework](https://docs.unity3d.com/Packages/com.unity.test-framework@latest/index.html) package. In Unity 2020.1+, [download Moq from NuGet](https://www.nuget.org/packages/moq/) and import it as a managed plugin. Only defined if `UnityVersion` is between 2019.2 and 2019.3, inclusive. | | ||
| | `UnityAnalyticsStandardEventsAssembly` | `com.unity.analytics%40*\AnalyticsStandardEvents\Unity.Analytics.StandardEvents.dll` | Requires installation of the [legacy Analytics Library](https://docs.unity3d.com/Packages/com.unity.analytics@latest/index.html) package. Referenced by `UnityAnalyticsStandardEventsPath`. Only defined if `UnityVersion` is between 2019.2 and 2020.2, inclusive. | | ||
| | `UnityAnalyticsStandardEventsPath` | `$(UnityPackageCachePath)\$(UnityAnalyticsStandardEventsAssembly)` | Requires installation of the [legacy Analytics Library](https://docs.unity3d.com/Packages/com.unity.analytics@latest/index.html) package. Only defined if `UnityVersion` is between 2019.2 and 2020.2, inclusive. | |
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