57 files changed, 177 insertions, 707 deletions

diff --git a/build/common.targets b/build/common.targets
index e08e7066..0781d568 100644
--- a/build/common.targets
+++ b/build/common.targets
@@ -39,6 +39,11 @@
   <Choose>
     <When Condition="'$(MSBuildProjectName)' == 'StardewModdingAPI' OR '$(MSBuildProjectName)' == 'StardewModdingAPI.Mods.ConsoleCommands' OR '$(MSBuildProjectName)' == 'StardewModdingAPI.Mods.SaveBackup' OR '$(MSBuildProjectName)' == 'StardewModdingAPI.Tests'">
       <!-- Windows -->
+      <PropertyGroup>
+        <!--recognise XNA Framework DLLs in the GAC-->
+        <AssemblySearchPaths>$(AssemblySearchPaths);{GAC}</AssemblySearchPaths>
+      </PropertyGroup>
+
       <ItemGroup Condition="$(OS) == 'Windows_NT'">
         <Reference  Include="Stardew Valley">
           <HintPath>$(GamePath)\Stardew Valley.exe</HintPath>
@@ -93,12 +98,12 @@
   </Choose>
 
   <!-- if game path is invalid, show one user-friendly error instead of a slew of reference errors -->
-  <Target Name="BeforeBuild">
+  <Target Name="ValidateInstallPath" AfterTargets="BeforeBuild">
     <Error Condition="!Exists('$(GamePath)')" Text="Failed to find the game install path automatically; edit the *.csproj file and manually add a &lt;GamePath&gt; setting with the full directory path containing the Stardew Valley executable." />
   </Target>
 
   <!-- copy files into game directory and enable debugging -->
-  <Target Name="AfterBuild">
+  <Target Name="CopySmapiFiles" AfterTargets="AfterBuild">
     <CallTarget Targets="CopySMAPI;CopyDefaultMods" />
   </Target>
   <Target Name="CopySMAPI" Condition="'$(MSBuildProjectName)' == 'StardewModdingAPI'">
diff --git a/build/prepare-install-package.targets b/build/prepare-install-package.targets
index cd758e96..b7b70ed0 100644
--- a/build/prepare-install-package.targets
+++ b/build/prepare-install-package.targets
@@ -5,20 +5,18 @@
   creates the build package in the bin\Packages folder.
   
   -->
-  <Target Name="AfterBuild">
+  <Target Name="PrepareInstaller" AfterTargets="AfterBuild">
     <PropertyGroup>
       <RootPath>$(SolutionDir)\..</RootPath>
       <CompiledRootPath>$(RootPath)\bin\$(Configuration)</CompiledRootPath>
       <CompiledSmapiPath>$(CompiledRootPath)\SMAPI</CompiledSmapiPath>
       <CompiledToolkitPath>$(CompiledRootPath)\SMAPI.Toolkit\net4.5</CompiledToolkitPath>
+      <CompiledModsPath>$(CompiledRootPath)\Mods</CompiledModsPath>
       <PackagePath>$(SolutionDir)\..\bin\SMAPI installer</PackagePath>
       <PackageDevPath>$(SolutionDir)\..\bin\SMAPI installer for developers</PackageDevPath>
       <PlatformName>windows</PlatformName>
       <PlatformName Condition="$(OS) != 'Windows_NT'">unix</PlatformName>
     </PropertyGroup>
-    <ItemGroup>
-      <CompiledMods Include="$(SolutionDir)\..\bin\$(Configuration)\Mods\**\*.*" />
-    </ItemGroup>
 
     <!-- reset package directory -->
     <RemoveDir Directories="$(PackagePath)" />
@@ -48,12 +46,19 @@
     <Copy SourceFiles="$(CompiledToolkitPath)\StardewModdingAPI.Toolkit.CoreInterfaces.dll" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
     <Copy SourceFiles="$(CompiledToolkitPath)\StardewModdingAPI.Toolkit.CoreInterfaces.pdb" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
     <Copy SourceFiles="$(CompiledToolkitPath)\StardewModdingAPI.Toolkit.CoreInterfaces.xml" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
-    <Copy SourceFiles="@(CompiledMods)" DestinationFolder="$(PackagePath)\bundle\Mods\%(RecursiveDir)" />
     <Copy Condition="$(OS) != 'Windows_NT'" SourceFiles="$(TargetDir)\unix-launcher.sh" DestinationFiles="$(PackagePath)\bundle\StardewModdingAPI" />
     <Copy Condition="$(OS) != 'Windows_NT'" SourceFiles="$(CompiledSmapiPath)\System.Numerics.dll" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
     <Copy Condition="$(OS) != 'Windows_NT'" SourceFiles="$(CompiledSmapiPath)\System.Runtime.Caching.dll" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
     <Copy Condition="$(OS) == 'Windows_NT'" SourceFiles="$(TargetDir)\windows-exe-config.xml" DestinationFiles="$(PackagePath)\bundle\StardewModdingAPI.exe.config" />
 
+    <!--copy bundled mods-->
+    <Copy SourceFiles="$(CompiledModsPath)\ConsoleCommands\ConsoleCommands.dll" DestinationFolder="$(PackagePath)\bundle\Mods\ConsoleCommands" />
+    <Copy SourceFiles="$(CompiledModsPath)\ConsoleCommands\ConsoleCommands.pdb" DestinationFolder="$(PackagePath)\bundle\Mods\ConsoleCommands" />
+    <Copy SourceFiles="$(CompiledModsPath)\ConsoleCommands\manifest.json" DestinationFolder="$(PackagePath)\bundle\Mods\ConsoleCommands" />
+    <Copy SourceFiles="$(CompiledModsPath)\SaveBackup\SaveBackup.dll" DestinationFolder="$(PackagePath)\bundle\Mods\SaveBackup" />
+    <Copy SourceFiles="$(CompiledModsPath)\SaveBackup\SaveBackup.pdb" DestinationFolder="$(PackagePath)\bundle\Mods\SaveBackup" />
+    <Copy SourceFiles="$(CompiledModsPath)\SaveBackup\manifest.json" DestinationFolder="$(PackagePath)\bundle\Mods\SaveBackup" />
+
     <!-- fix errors on Linux/Mac (sample: https://log.smapi.io/mMdFUpgB) -->
     <Copy Condition="$(OS) != 'Windows_NT'" SourceFiles="$(RootPath)\build\lib\System.Numerics.dll" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
     <Copy Condition="$(OS) != 'Windows_NT'" SourceFiles="$(RootPath)\build\lib\System.Runtime.Caching.dll" DestinationFolder="$(PackagePath)\bundle\smapi-internal" />
diff --git a/build/prepare-nuget-package.targets b/build/prepare-nuget-package.targets
index 0b4320a7..172bfdcc 100644
--- a/build/prepare-nuget-package.targets
+++ b/build/prepare-nuget-package.targets
@@ -5,7 +5,7 @@
   package files to the bin\Pathoschild.Stardew.ModBuildConfig folder.
   
   -->
-  <Target Name="AfterBuild">
+  <Target Name="PreparePackage" AfterTargets="AfterBuild">
     <PropertyGroup>
       <PackagePath>$(SolutionDir)\..\bin\Pathoschild.Stardew.ModBuildConfig</PackagePath>
     </PropertyGroup>
diff --git a/src/SMAPI.Installer/StardewModdingAPI.Installer.csproj b/src/SMAPI.Installer/StardewModdingAPI.Installer.csproj
index 083044fb..ac64a774 100644
--- a/src/SMAPI.Installer/StardewModdingAPI.Installer.csproj
+++ b/src/SMAPI.Installer/StardewModdingAPI.Installer.csproj
@@ -1,62 +1,32 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
-    <ProjectGuid>{443DDF81-6AAF-420A-A610-3459F37E5575}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>StardewModdingAPI.Installer</RootNamespace>
     <AssemblyName>StardewModdingAPI.Installer</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <TargetFramework>net45</TargetFramework>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <LangVersion>latest</LangVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
-    <PlatformTarget>x86</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>$(SolutionDir)\..\bin\Debug\Installer</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
+    <OutputType>Exe</OutputType>
     <PlatformTarget>x86</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>$(SolutionDir)\..\bin\Release\Installer</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
+    <OutputPath>$(SolutionDir)\..\bin\$(Configuration)\Installer</OutputPath>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.IO.Compression" />
-    <Reference Include="System.IO.Compression.FileSystem" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="..\..\build\GlobalAssemblyInfo.cs">
-      <Link>Properties\GlobalAssemblyInfo.cs</Link>
-    </Compile>
-    <Compile Include="Enums\ScriptAction.cs" />
-    <Compile Include="Framework\InstallerPaths.cs" />
-    <Compile Include="InteractiveInstaller.cs" />
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="..\..\build\GlobalAssemblyInfo.cs" Link="Properties\GlobalAssemblyInfo.cs" />
   </ItemGroup>
+
   <ItemGroup>
-    <Content Include="README.txt">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </Content>
+    <ProjectReference Include="..\SMAPI.Toolkit\StardewModdingAPI.Toolkit.csproj" />
   </ItemGroup>
+
   <ItemGroup>
-    <Content Include="windows-exe-config.xml">
+    <None Update="README.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="windows-exe-config.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
+    </None>
     <None Include="windows-install.bat">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
@@ -67,14 +37,9 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\StardewModdingAPI.Toolkit\StardewModdingAPI.Toolkit.csproj">
-      <Project>{ea5cfd2e-9453-4d29-b80f-8e0ea23f4ac6}</Project>
-      <Name>StardewModdingAPI.Toolkit</Name>
-    </ProjectReference>
-  </ItemGroup>
+
   <Import Project="..\SMAPI.Internal\SMAPI.Internal.projitems" Label="Shared" />
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="..\..\build\common.targets" />
   <Import Project="..\..\build\prepare-install-package.targets" />
-</Project>
\ No newline at end of file
+
+</Project>
diff --git a/src/SMAPI.ModBuildConfig/StardewModdingAPI.ModBuildConfig.csproj b/src/SMAPI.ModBuildConfig/StardewModdingAPI.ModBuildConfig.csproj
index 9118b043..f6cb4734 100644
--- a/src/SMAPI.ModBuildConfig/StardewModdingAPI.ModBuildConfig.csproj
+++ b/src/SMAPI.ModBuildConfig/StardewModdingAPI.ModBuildConfig.csproj
@@ -1,73 +1,34 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
-    <ProjectGuid>{EA4F1E80-743F-4A1D-9757-AE66904A196A}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>StardewModdingAPI.ModBuildConfig</RootNamespace>
     <AssemblyName>StardewModdingAPI.ModBuildConfig</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
+    <TargetFramework>net45</TargetFramework>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <LangVersion>latest</LangVersion>
+    <PlatformTarget>x86</PlatformTarget>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="Microsoft.Build" />
-    <Reference Include="Microsoft.Build.Framework" />
-    <Reference Include="Microsoft.Build.Utilities.v4.0" />
-    <Reference Include="System" />
-    <Reference Include="System.IO.Compression" />
-    <Reference Include="System.Web.Extensions" />
-  </ItemGroup>
+
   <ItemGroup>
-    <Compile Include="DeployModTask.cs" />
-    <Compile Include="Framework\UserErrorException.cs" />
-    <Compile Include="Framework\ModFileManager.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
+    <ProjectReference Include="..\SMAPI.Toolkit\StardewModdingAPI.Toolkit.csproj" />
   </ItemGroup>
+
   <ItemGroup>
-    <None Include="assets\nuget-icon.pdn" />
-    <None Include="build\smapi.targets">
-      <SubType>Designer</SubType>
+    <None Include="..\..\docs\mod-build-config.md">
+      <Link>mod-build-config.md</Link>
     </None>
-    <None Include="package.nuspec">
-      <SubType>Designer</SubType>
-    </None>
-  </ItemGroup>
-  <ItemGroup>
-    <Content Include="assets\nuget-icon.png" />
   </ItemGroup>
+
   <ItemGroup>
-    <ProjectReference Include="..\StardewModdingAPI.Toolkit.CoreInterfaces\StardewModdingAPI.Toolkit.CoreInterfaces.csproj">
-      <Project>{d5cfd923-37f1-4bc3-9be8-e506e202ac28}</Project>
-      <Name>StardewModdingAPI.Toolkit.CoreInterfaces</Name>
-    </ProjectReference>
-    <ProjectReference Include="..\StardewModdingAPI.Toolkit\StardewModdingAPI.Toolkit.csproj">
-      <Project>{ea5cfd2e-9453-4d29-b80f-8e0ea23f4ac6}</Project>
-      <Name>StardewModdingAPI.Toolkit</Name>
-    </ProjectReference>
+    <Reference Include="Microsoft.Build" />
+    <Reference Include="Microsoft.Build.Framework" />
+    <Reference Include="Microsoft.Build.Utilities.v4.0" />
+    <Reference Include="System.IO.Compression" />
+    <Reference Include="System.Web.Extensions" />
   </ItemGroup>
+
   <Import Project="..\SMAPI.Internal\SMAPI.Internal.projitems" Label="Shared" />
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="..\..\build\common.targets" />
-  <Import Project="..\..\build\prepare-nuget-package.targets" />
-</Project>
\ No newline at end of file
+
+</Project>
diff --git a/src/SMAPI.Mods.ConsoleCommands/StardewModdingAPI.Mods.ConsoleCommands.csproj b/src/SMAPI.Mods.ConsoleCommands/StardewModdingAPI.Mods.ConsoleCommands.csproj
index 2c958dbc..719a80e3 100644
--- a/src/SMAPI.Mods.ConsoleCommands/StardewModdingAPI.Mods.ConsoleCommands.csproj
+++ b/src/SMAPI.Mods.ConsoleCommands/StardewModdingAPI.Mods.ConsoleCommands.csproj
@@ -1,93 +1,35 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
-    <ProjectGuid>{28480467-1A48-46A7-99F8-236D95225359}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>StardewModdingAPI.Mods.ConsoleCommands</RootNamespace>
     <AssemblyName>ConsoleCommands</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
+    <TargetFramework>net45</TargetFramework>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <LangVersion>latest</LangVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>$(SolutionDir)\..\bin\Debug\Mods\ConsoleCommands\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <PlatformTarget>x86</PlatformTarget>
-    <Prefer32Bit>false</Prefer32Bit>
-    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>$(SolutionDir)\..\bin\Release\Mods\ConsoleCommands\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
+    <OutputPath>$(SolutionDir)\..\bin\$(Configuration)\Mods\ConsoleCommands</OutputPath>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
+
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Xml" />
+    <ProjectReference Include="..\SMAPI\StardewModdingAPI.csproj">
+      <Private>False</Private>
+    </ProjectReference>
   </ItemGroup>
+
   <ItemGroup>
     <Compile Include="..\..\build\GlobalAssemblyInfo.cs">
       <Link>Properties\GlobalAssemblyInfo.cs</Link>
     </Compile>
-    <Compile Include="Framework\Commands\ArgumentParser.cs" />
-    <Compile Include="Framework\Commands\Other\ShowDataFilesCommand.cs" />
-    <Compile Include="Framework\Commands\Other\ShowGameFilesCommand.cs" />
-    <Compile Include="Framework\Commands\Other\DebugCommand.cs" />
-    <Compile Include="Framework\Commands\Player\ListItemTypesCommand.cs" />
-    <Compile Include="Framework\Commands\Player\ListItemsCommand.cs" />
-    <Compile Include="Framework\Commands\Player\AddCommand.cs" />
-    <Compile Include="Framework\Commands\Player\SetStyleCommand.cs" />
-    <Compile Include="Framework\Commands\Pla