build(all): configure Go and Roslyn checks, exclude generated game sources and simplify contribution rules

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[.build/game-sdk/**/*.cs]
+generated_code = true
+dotnet_analyzer_diagnostic.severity = none
+
+[data/dev/client-source-readable/**/*.cs]
+generated_code = true
+dotnet_analyzer_diagnostic.severity = none

.gitattributes

@@ -12,6 +12,8 @@
 *.cs text eol=lf
 *.csproj text eol=lf
 *.ps1 text eol=crlf
+*.cmd text eol=crlf
+bd2w text eol=lf
 
 *.dll binary
 *.exe binary

.golangci.yml

@@ -0,0 +1,16 @@
+version: "2"
+
+run:
+  timeout: 5m
+  tests: true
+
+linters:
+  default: none
+  enable:
+    - errcheck
+    - govet
+    - ineffassign
+    - staticcheck
+    - unused
+    - rowserrcheck
+    - modernize

CONTRIBUTING.md

@@ -10,4 +10,6 @@ Commit messages must follow this format:
   - `client` — for client-side changes
   - `plugin` — for plugin-related changes
   - `all` — when changes involve multiple parts (`server`, `client`, and/or `plugin`)
-- `<description>` must be **concise but complete**, clearly covering **all changes made in the commit**. Do not omit important changes for the sake of brevity.
+- `<description>` must be **concise but complete**, clearly covering **all changes made in the commit**. Do not omit important changes for the sake of brevity.
+
+Before pushing, run the code checks for each language you modified.

plugins/.editorconfig

@@ -0,0 +1,32 @@
+root = true
+
+[*.cs]
+generated_code = false
+
+dotnet_diagnostic.CA2000.severity = warning
+
+dotnet_code_quality.CA2000.interprocedural_analysis_kind = none
+dotnet_diagnostic.CA2016.severity = warning
+dotnet_diagnostic.CA2200.severity = warning
+
+dotnet_diagnostic.IDE0005.severity = suggestion
+dotnet_diagnostic.IDE0059.severity = warning
+dotnet_diagnostic.IDE0055.severity = suggestion
+
+csharp_style_var_for_built_in_types = false:suggestion
+csharp_style_var_when_type_is_apparent = true:suggestion
+csharp_style_var_elsewhere = false:suggestion
+csharp_style_namespace_declarations = file_scoped:suggestion
+dotnet_style_qualification_for_field = false:suggestion
+dotnet_style_qualification_for_property = false:suggestion
+dotnet_style_qualification_for_method = false:suggestion
+dotnet_style_qualification_for_event = false:suggestion
+
+[**/obj/**/*.cs]
+generated_code = true
+
+[*.g.cs]
+generated_code = true
+
+[*.generated.cs]
+generated_code = true

plugins/Directory.Build.props

@@ -3,6 +3,9 @@
   <PropertyGroup>
     <BD2PluginsDir>$(MSBuildThisFileDirectory)</BD2PluginsDir>
     <BD2RepositoryDir>$([System.IO.Path]::GetFullPath('$(BD2PluginsDir)..'))/</BD2RepositoryDir>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
+    <AnalysisLevel>8.0-recommended</AnalysisLevel>
+    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
   </PropertyGroup>
   <Import Project="$(BD2PluginsDir)Directory.Build.local.props" Condition="Exists('$(BD2PluginsDir)Directory.Build.local.props')" />
   <PropertyGroup>