PerformanceOptimizer

using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;

public static class PerformanceOptimizer
{
    // Futtatás minden indításkor (Editor Play és build)
    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
    private static void ApplyPerformanceSettings()
    {
        // 1) VSync off
        QualitySettings.vSyncCount = 0;

        // 2) Cél fps
        Application.targetFrameRate = -1;

        // 3) Leggyorsabb Quality szint megkeresése (Low/Performance)
        TrySetLowestQualityLevel();

        // 4) URP asset finomhangolás
        var urpAsset = GraphicsSettings.currentRenderPipeline as UniversalRenderPipelineAsset;
        if (urpAsset != null)
        {
            urpAsset.renderScale = 1.0f;   // natív felbontás
            urpAsset.msaaSampleCount = 1;  // MSAA off
        }

        // 5) Log
        string qualityName = QualitySettings.names[QualitySettings.GetQualityLevel()];
        if (urpAsset != null)
        {
            string msaaText = urpAsset.msaaSampleCount <= 1 ? "Off" : (urpAsset.msaaSampleCount + "x");
            Debug.Log("[PerformanceOptimizer] Beállítva: " +
                      $"VSync off, targetFrameRate = {Application.targetFrameRate} fps, " +
                      $"Quality = {qualityName}, URP RenderScale = {urpAsset.renderScale}, MSAA = {msaaText}");
        }
        else
        {
            Debug.Log("[PerformanceOptimizer] Beállítva: " +
                      $"VSync off, targetFrameRate = {Application.targetFrameRate} fps, " +
                      $"Quality = {qualityName}");
        }
    }

    // Segédfüggvény: a leggyorsabb quality szint kiválasztása
    private static void TrySetLowestQualityLevel()
    {
        int currentLevel = QualitySettings.GetQualityLevel();
        int chosen = currentLevel;

        string[] levels = QualitySettings.names;
        for (int i = 0; i < levels.Length; i++)
        {
            string q = levels[i].ToLower();
            if (q.Contains("low") || q.Contains("performance"))
            {
                chosen = i;
                break; // első találat elég
            }
        }

        if (chosen != currentLevel)
            QualitySettings.SetQualityLevel(chosen);
    }
}