#7/automatic version management

.gitignore

@@ -38,6 +38,9 @@
 
 Temp/*
 
+# Auto-generated version file
+CommonLib/RealSimVersion.h
+
 CommonLib/libevent/build/*
 CommonLib/libevent/out/build/*
 CommonLib/yaml-cpp/build/*

CommonLib/RealSimVersion.h.in

@@ -0,0 +1,16 @@
+#ifndef REALSIM_VERSION_H
+#define REALSIM_VERSION_H
+
+// Auto-generated from git tags - DO NOT EDIT MANUALLY
+// Generated at: @GENERATION_TIME@
+
+#define REALSIM_VERSION_MAJOR   @VERSION_MAJOR@
+#define REALSIM_VERSION_MINOR   @VERSION_MINOR@
+#define REALSIM_VERSION_PATCH   @VERSION_PATCH@
+
+#define REALSIM_VERSION_NUMBER 0x@VERSION_HEX@
+#define REALSIM_VERSION_STRING  "@VERSION_STRING@"
+#define REALSIM_GIT_COMMIT      "@GIT_COMMIT@"
+#define REALSIM_GIT_TAG         "@GIT_TAG@"
+
+#endif

TrafficLayer/TrafficLayer/TrafficLayer.vcxproj

@@ -114,6 +114,10 @@
     <SourcePath>$(VC_SourcePath)</SourcePath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <PreBuildEvent>
+      <Command>powershell.exe -ExecutionPolicy Bypass -NoProfile -File "$(SolutionDir)..\..\scripts\generate_version.ps1"</Command>
+      <Message>Generating version header from git tags...</Message>
+    </PreBuildEvent>
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
@@ -131,6 +135,10 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <PreBuildEvent>
+      <Command>powershell.exe -ExecutionPolicy Bypass -NoProfile -File "$(SolutionDir)..\..\scripts\generate_version.ps1"</Command>
+      <Message>Generating version header from git tags...</Message>
+    </PreBuildEvent>
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -151,6 +159,10 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <PreBuildEvent>
+      <Command>powershell.exe -ExecutionPolicy Bypass -NoProfile -File "$(SolutionDir)..\..\scripts\generate_version.ps1"</Command>
+      <Message>Generating version header from git tags...</Message>
+    </PreBuildEvent>
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
@@ -168,6 +180,10 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <PreBuildEvent>
+      <Command>powershell.exe -ExecutionPolicy Bypass -NoProfile -File "$(SolutionDir)..\..\scripts\generate_version.ps1"</Command>
+      <Message>Generating version header from git tags...</Message>
+    </PreBuildEvent>
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <FunctionLevelLinking>true</FunctionLevelLinking>

scripts/generate_version.ps1

@@ -0,0 +1,53 @@
+# Auto-generate RealSimVersion.h from git tags
+# This script is called by Visual Studio Pre-Build Event
+
+$ErrorActionPreference = "Stop"
+
+$RepoRoot = Split-Path -Parent $PSScriptRoot
+$TemplateFile = Join-Path $RepoRoot "CommonLib\RealSimVersion.h.in"
+$OutputFile = Join-Path $RepoRoot "CommonLib\RealSimVersion.h"
+
+# Get git tag information
+Push-Location $RepoRoot
+try {
+    # Get latest tag (e.g., v0.7.0)
+    $GitTag = git describe --tags --abbrev=0
+
+    # Parse version from tag (v0.7.0 → 0, 7, 0)
+    if ($GitTag -match '^v?(\d+)\.(\d+)\.(\d+)') {
+        $Major = [int]$Matches[1]
+        $Minor = [int]$Matches[2]
+        $Patch = [int]$Matches[3]
+    } else {
+        throw "Invalid tag format: $GitTag (expected vX.Y.Z)"
+    }
+
+    # Get current commit hash (short)
+    $GitCommit = git rev-parse --short HEAD
+
+    # Build version string and hex
+    $VersionString = "$Major.$Minor.$Patch"
+    $VersionHex = "{0:X2}{1:X2}{2:X2}" -f $Major, $Minor, $Patch
+    $GenTime = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
+
+    # Read template and replace placeholders
+    $Template = Get-Content $TemplateFile -Raw
+    $Output = $Template `
+        -replace '@VERSION_MAJOR@', $Major `
+        -replace '@VERSION_MINOR@', $Minor `
+        -replace '@VERSION_PATCH@', $Patch `
+        -replace '@VERSION_STRING@', $VersionString `
+        -replace '@VERSION_HEX@', $VersionHex `
+        -replace '@GIT_COMMIT@', $GitCommit `
+        -replace '@GIT_TAG@', $GitTag `
+        -replace '@GENERATION_TIME@', $GenTime
+
+    Set-Content -Path $OutputFile -Value $Output -NoNewline
+    Write-Host "Generated $OutputFile from tag: $GitTag (commit: $GitCommit)" -ForegroundColor Green
+
+} catch {
+    Write-Error "Failed to generate version header: $_"
+    exit 1
+} finally {
+    Pop-Location
+}