feat: update submodule, more proper 4JLibs checks

.gitmodules

@@ -2,3 +2,4 @@
 	path = Minecraft.Client/Windows64/4JLibs
 	url = https://gitea.str1k3r.xyz/str1k3r/4JLibs-VS2012
 	ignore = untracked
+	branch = main

Minecraft.Client/Common/Buildsteps/4JLibs.ps1

@@ -0,0 +1,69 @@
+param(
+    [string]$ProjectDir,
+    [string]$Platform,
+    [string]$Configuration
+)
+
+switch ($Platform) {
+    "x64"       { $LibsDir = Join-Path $ProjectDir "Windows64\4JLibs\"; $ExpectedCount = 4; $PlatformName = "Windows64" }
+    "Durango"   { $LibsDir = Join-Path $ProjectDir "Durango\4JLibs\";   $ExpectedCount = 4; $PlatformName = "Durango" }
+    "Xbox 360"  { $LibsDir = Join-Path $ProjectDir "Xbox\4JLibs\";      $ExpectedCount = 5; $PlatformName = "Xbox" }
+    "PS3"       { $LibsDir = Join-Path $ProjectDir "PS3\4JLibs\";       $ExpectedCount = 4; $PlatformName = "PS3" }
+    "Orbis"     { $LibsDir = Join-Path $ProjectDir "Orbis\4JLibs\";     $ExpectedCount = 4; $PlatformName = "Orbis" }
+    "PSVita"    { $LibsDir = Join-Path $ProjectDir "PSVita\4JLibs\";    $ExpectedCount = 4; $PlatformName = "PSVita" }
+    default     { Write-Host "4JLibs: Unknown platform: '$Platform'";   exit 1 }
+}
+
+if ($Configuration -match "ContentPackage" -or $Configuration -match "Release") {
+    $BuildConfig = "Release"
+} else {
+    Write-Host "4JLibs: Configuration did not match Release or ContentPackage, defaulting to Debug"
+    $BuildConfig = "Debug"
+}
+
+if (-not (Test-Path $LibsDir)) {
+    Write-Host "4JLibs: $PlatformName 4JLibs directory not found"
+    exit 1
+} elseif (-not (Test-Path "$LibsDir\Headers\$PlatformName")) {
+    Write-Host "4JLibs: $PlatformName 4JLibs Headers directory not found"
+    exit 1
+} elseif (-not (Test-Path "$LibsDir\Headers")) {
+    Write-Host "4JLibs: Headers directory not found"
+    exit 1
+}
+
+$incPath  = Join-Path $LibsDir "inc"
+$libsPath = Join-Path $LibsDir "libs"
+
+$incCount  = (Get-ChildItem -Path $incPath -Filter "*.h" -ErrorAction SilentlyContinue).Count
+
+if ($BuildConfig -eq "Release") {
+    $libCount = (Get-ChildItem -Path $libsPath -Filter "*_r.lib" -ErrorAction SilentlyContinue).Count
+} else {
+    $libCount = (Get-ChildItem -Path $libsPath -Filter "*_d.lib" -ErrorAction SilentlyContinue).Count
+}
+
+if ($incCount -lt $ExpectedCount) {
+    Write-Host "4JLibs: Copying header files for $PlatformName"
+    xcopy "$LibsDir\Headers\$PlatformName\*" "$incPath" /E /I /Y
+} else {
+    Write-Host "4JLibs: inc files already present, skipping copy."
+}
+
+if ($libCount -lt $ExpectedCount) {
+    Write-Host "4JLibs: Building 4JLibs for $PlatformName in $BuildConfig"
+
+    & "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" `
+        (Join-Path $LibsDir "4JLibs.sln") `
+        /p:Configuration=$BuildConfig `
+        /p:Platform=$PlatformName `
+        /v:minimal `
+        /m
+    
+    if ($LASTEXITCODE -ne 0) {
+        Write-Host "4JLibs: Build failed with exit code: $LASTEXITCODE"
+        exit $LASTEXITCODE
+    }
+} else {
+    Write-Host "4JLibs: libs already present, skipping build."
+}