# ===================================================================
# WINDOWS 10 EXTREME GAMING OPTIMIZER
# MACHINE OFFLINE DÉDIÉE AU JEU
#
# CONFIG :
# - Intel i5 4e génération (Haswell)
# - 32 Go DDR3
# - GTX 1050 Ti
# - SSD
#
# OBJECTIF :
# - réduire la latence CPU
# - supprimer l’overhead Windows
# - maximiser les frametimes/min FPS
# - optimiser Baldur's Gate 3
#
# ⚠️ ATTENTION
# - machine OFFLINE uniquement
# - sécurité fortement réduite
# - exécuter en ADMINISTRATEUR
# - REDÉMARRAGE OBLIGATOIRE
# ===================================================================

Write-Host ""
Write-Host "====================================================="
Write-Host " WINDOWS 10 EXTREME GAMING OPTIMIZER"
Write-Host "====================================================="
Write-Host ""

# =========================================================
# 0. VÉRIFICATION ADMIN
# =========================================================

$currentPrincipal = New-Object Security.Principal.WindowsPrincipal(
    [Security.Principal.WindowsIdentity]::GetCurrent()
)

if (-not $currentPrincipal.IsInRole(
    [Security.Principal.WindowsBuiltInRole]::Administrator)) {

    Write-Host "❌ Lancer PowerShell en ADMINISTRATEUR."
    Pause
    Exit
}

# =========================================================
# 1. PLAN D'ALIMENTATION ULTIMATE PERFORMANCE
# =========================================================

Write-Host "⚡ Activation Ultimate Performance..."

powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61 > $null
powercfg /setactive e9a42b02-d5df-448d-aa00-03f14749eb61

powercfg -setacvalueindex scheme_current sub_processor PROCTHROTTLEMIN 100
powercfg -setacvalueindex scheme_current sub_processor PROCTHROTTLEMAX 100
powercfg -setacvalueindex scheme_current sub_processor CPMINCORES 100

# Désactive veille
powercfg -change standby-timeout-ac 0
powercfg -change hibernate-timeout-ac 0
powercfg /h off

# =========================================================
# 2. DÉSACTIVATION TOTALE VBS / HVCI
# =========================================================

Write-Host "🛡️ Désactivation VBS/HVCI..."

reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard" `
 /v EnableVirtualizationBasedSecurity `
 /t REG_DWORD /d 0 /f

reg add "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity" `
 /v Enabled `
 /t REG_DWORD /d 0 /f

bcdedit /set hypervisorlaunchtype off

# =========================================================
# 3. DÉSACTIVATION BRUTALE MITIGATIONS CPU
# =========================================================

Write-Host "☠️ Désactivation mitigations CPU..."

reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" `
 /v FeatureSettings `
 /t REG_DWORD /d 0 /f

reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" `
 /v FeatureSettingsOverride `
 /t REG_DWORD /d 3 /f

reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" `
 /v FeatureSettingsOverrideMask `
 /t REG_DWORD /d 3 /f

bcdedit /set "{current}" mitigationauditoptions 0
bcdedit /set "{current}" mitigationoptions OFF

# =========================================================
# 4. GAME DVR / XBOX
# =========================================================

Write-Host "🎮 Désactivation Game DVR..."

reg add "HKCU\System\GameConfigStore" `
 /v GameDVR_Enabled `
 /t REG_DWORD /d 0 /f

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\GameDVR" `
 /v AppCaptureEnabled `
 /t REG_DWORD /d 0 /f

# =========================================================
# 5. EFFETS VISUELS
# =========================================================

Write-Host "🪟 Désactivation effets visuels..."

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects" `
 /v VisualFXSetting `
 /t REG_DWORD /d 2 /f

reg add "HKCU\Control Panel\Desktop" `
 /v MenuShowDelay `
 /t REG_SZ /d 0 /f

reg add "HKCU\Control Panel\Desktop\WindowMetrics" `
 /v MinAnimate `
 /t REG_SZ /d 0 /f

# =========================================================
# 6. OPTIMISATION NVIDIA
# =========================================================

Write-Host "🎯 Optimisation NVIDIA..."

reg add "HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers" `
 /v HwSchMode `
 /t REG_DWORD /d 2 /f

Stop-Service NvTelemetryContainer -Force -ErrorAction SilentlyContinue
Set-Service NvTelemetryContainer -StartupType Disabled -ErrorAction SilentlyContinue

# =========================================================
# 7. OPTIMISATION SSD
# =========================================================

Write-Host "💾 Optimisation SSD..."

fsutil behavior set DisableDeleteNotify 0 > $null

reg add "HKLM\SYSTEM\CurrentControlSet\Control\FileSystem" `
 /v NtfsDisableLastAccessUpdate `
 /t REG_DWORD /d 1 /f

# =========================================================
# 8. SCHEDULER / LATENCE
# =========================================================

Write-Host "🚀 Optimisation scheduler..."

reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" `
 /v NetworkThrottlingIndex `
 /t REG_DWORD /d 4294967295 /f

reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" `
 /v SystemResponsiveness `
 /t REG_DWORD /d 0 /f

# =========================================================
# 9. SERVICES À DÉSACTIVER
# =========================================================

Write-Host "🔧 Désactivation services inutiles..."

$services = @(
    "SysMain",
    "DiagTrack",
    "dmwappushservice",
    "Fax",
    "MapsBroker",
    "WSearch",
    "WerSvc",
    "XblAuthManager",
    "XblGameSave",
    "XboxNetApiSvc",
    "XboxGipSvc",
    "lfsvc",
    "WbioSrvc",
    "TabletInputService",
    "Spooler",
    "RemoteRegistry",
    "RetailDemo",
    "PcaSvc",
    "TrkWks",
    "WMPNetworkSvc",
    "wisvc",
    "SEMgrSvc",
    "PhoneSvc",
    "PrintNotify",
    "OneSyncSvc",
    "MessagingService",
    "MixedRealityOpenXRSvc",
    "DiagTrack",
    "Fax",
    "MapsBroker"
)

foreach ($svc in $services) {

    Stop-Service $svc -Force -ErrorAction SilentlyContinue
    Set-Service $svc -StartupType Disabled -ErrorAction SilentlyContinue
}

# =========================================================
# 10. WINDOWS UPDATE
# =========================================================

Write-Host "📦 Désactivation Windows Update..."

Stop-Service wuauserv -Force -ErrorAction SilentlyContinue
Set-Service wuauserv -StartupType Disabled

Stop-Service BITS -Force -ErrorAction SilentlyContinue
Set-Service BITS -StartupType Disabled

# =========================================================
# 11. WINDOWS DEFENDER
# =========================================================

Write-Host "🛡️ Désactivation Defender..."

Set-MpPreference -DisableRealtimeMonitoring $true -ErrorAction SilentlyContinue
Set-MpPreference -DisableBehaviorMonitoring $true -ErrorAction SilentlyContinue
Set-MpPreference -DisableScriptScanning $true -ErrorAction SilentlyContinue
Set-MpPreference -DisableIOAVProtection $true -ErrorAction SilentlyContinue

# =========================================================
# 12. FIREWALL
# =========================================================

Write-Host "🔥 Désactivation Firewall..."

Set-NetFirewallProfile -Profile Domain,Public,Private -Enabled False

# =========================================================
# 13. INDEXATION
# =========================================================

Write-Host "🔍 Désactivation indexation..."

Stop-Service WSearch -Force -ErrorAction SilentlyContinue
Set-Service WSearch -StartupType Disabled

# =========================================================
# 14. TÉLÉMÉTRIE
# =========================================================

Write-Host "📡 Désactivation télémétrie..."

reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" `
 /v AllowTelemetry `
 /t REG_DWORD /d 0 /f

# =========================================================
# 15. NOTIFICATIONS
# =========================================================

Write-Host "🔕 Désactivation notifications..."

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\PushNotifications" `
 /v ToastEnabled `
 /t REG_DWORD /d 0 /f

# =========================================================
# 16. PAGEFILE
# =========================================================
# BG3 peut crasher sans pagefile même avec 32 Go

Write-Host "📄 Configuration pagefile..."

wmic computersystem where name="%computername%" `
 set AutomaticManagedPagefile=True

# =========================================================
# 17. NETTOYAGE TEMP
# =========================================================

Write-Host "🧹 Nettoyage..."

Remove-Item "$env:TEMP\*" `
 -Recurse `
 -Force `
 -ErrorAction SilentlyContinue

Remove-Item "C:\Windows\Temp\*" `
 -Recurse `
 -Force `
 -ErrorAction SilentlyContinue

# =========================================================
# 18. PRIORITÉ GPU NVIDIA
# =========================================================

Write-Host "🎯 Priorité GPU élevée..."

reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" `
 /v "GPU Priority" `
 /t REG_DWORD /d 8 /f

reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" `
 /v "Priority" `
 /t REG_DWORD /d 6 /f

reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" `
 /v "Scheduling Category" `
 /t REG_SZ /d "High" /f

# =========================================================
# 19. ARRÊT SERVICES NVIDIA INUTILES
# =========================================================

Write-Host "🎮 Désactivation services NVIDIA inutiles..."

$nvservices = @(
    "NvTelemetryContainer",
    "NvContainerLocalSystem",
    "NvContainerNetworkService"
)

foreach ($svc in $nvservices) {

    Stop-Service $svc -Force -ErrorAction SilentlyContinue
    Set-Service $svc -StartupType Disabled -ErrorAction SilentlyContinue
}

# =========================================================
# 20. FIN
# =========================================================

Write-Host ""
Write-Host "====================================================="
Write-Host " OPTIMISATION TERMINÉE"
Write-Host "====================================================="
Write-Host ""
Write-Host "⚠️ REDÉMARRE WINDOWS MAINTENANT"
Write-Host ""