using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;
namespace UnityMCP.Editor.Resources.Project
{
/// <summary>
/// Resource provider for quality settings information.
/// </summary>
public static class QualitySettingsResource
{
/// <summary>
/// Gets all quality settings information including quality levels and their configurations.
/// </summary>
/// <returns>Object containing quality settings information.</returns>
[MCPResource("project://quality", "Quality settings - all quality levels and their configurations")]
public static object GetQualitySettings()
{
try
{
string[] qualityLevelNames = QualitySettings.names;
int currentQualityLevel = QualitySettings.GetQualityLevel();
string currentQualityName = qualityLevelNames.Length > currentQualityLevel
? qualityLevelNames[currentQualityLevel]
: "Unknown";
// Build per-level settings by temporarily switching quality levels
var qualityLevels = new List<object>();
for (int levelIndex = 0; levelIndex < qualityLevelNames.Length; levelIndex++)
{
// Temporarily switch to this quality level to read its settings
QualitySettings.SetQualityLevel(levelIndex, applyExpensiveChanges: false);
qualityLevels.Add(new
{
index = levelIndex,
name = qualityLevelNames[levelIndex],
isCurrent = levelIndex == currentQualityLevel,
rendering = new
{
pixelLightCount = QualitySettings.pixelLightCount,
textureQuality = GetTextureQualityName(QualitySettings.globalTextureMipmapLimit),
textureMipmapLimit = QualitySettings.globalTextureMipmapLimit,
anisotropicFiltering = QualitySettings.anisotropicFiltering.ToString(),
antiAliasing = QualitySettings.antiAliasing,
softParticles = QualitySettings.softParticles,
realtimeReflectionProbes = QualitySettings.realtimeReflectionProbes,
billboardsFaceCameraPosition = QualitySettings.billboardsFaceCameraPosition,
useLegacyDetailDistribution = GetLegacyDetailDistribution()
},
shadows = new
{
shadowQuality = QualitySettings.shadows.ToString(),
shadowResolution = QualitySettings.shadowResolution.ToString(),
shadowProjection = QualitySettings.shadowProjection.ToString(),
shadowDistance = QualitySettings.shadowDistance,
shadowCascades = QualitySettings.shadowCascades,
shadowNearPlaneOffset = QualitySettings.shadowNearPlaneOffset
},
lod = new
{
lodBias = QualitySettings.lodBias,
maximumLodLevel = QualitySettings.maximumLODLevel,
skinWeights = QualitySettings.skinWeights.ToString(),
streamingMipmapsActive = QualitySettings.streamingMipmapsActive,
streamingMipmapsMemoryBudget = QualitySettings.streamingMipmapsMemoryBudget,
streamingMipmapsMaxLevelReduction = QualitySettings.streamingMipmapsMaxLevelReduction,
streamingMipmapsAddAllCameras = QualitySettings.streamingMipmapsAddAllCameras
},
other = new
{
vSyncCount = QualitySettings.vSyncCount,
asyncUploadTimeSlice = QualitySettings.asyncUploadTimeSlice,
asyncUploadBufferSize = QualitySettings.asyncUploadBufferSize,
asyncUploadPersistentBuffer = QualitySettings.asyncUploadPersistentBuffer,
resolutionScalingFixedDPIFactor = QualitySettings.resolutionScalingFixedDPIFactor
},
renderPipeline = new
{
renderPipelineAsset = QualitySettings.renderPipeline != null
? new
{
name = QualitySettings.renderPipeline.name,
type = QualitySettings.renderPipeline.GetType().Name
}
: null,
usesRenderPipeline = QualitySettings.renderPipeline != null
}
});
}
// Restore the original quality level
QualitySettings.SetQualityLevel(currentQualityLevel, applyExpensiveChanges: false);
return new
{
current = new
{
index = currentQualityLevel,
name = currentQualityName
},
qualityLevelCount = qualityLevelNames.Length,
qualityLevelNames = qualityLevelNames,
desiredColorSpace = QualitySettings.desiredColorSpace.ToString(),
activeColorSpace = QualitySettings.activeColorSpace.ToString(),
qualityLevels = qualityLevels.ToArray()
};
}
catch (Exception exception)
{
return new
{
error = true,
message = $"Failed to retrieve quality settings: {exception.Message}",
stackTrace = exception.StackTrace
};
}
}
/// <summary>
/// Gets a human-readable name for the texture quality setting.
/// </summary>
private static string GetTextureQualityName(int mipmapLimit)
{
return mipmapLimit switch
{
0 => "Full Resolution",
1 => "Half Resolution",
2 => "Quarter Resolution",
3 => "Eighth Resolution",
_ => $"1/{1 << mipmapLimit} Resolution"
};
}
/// <summary>
/// Gets the legacy detail distribution setting using reflection for compatibility.
/// </summary>
private static bool GetLegacyDetailDistribution()
{
try
{
// This property may not exist in all Unity versions
var property = typeof(QualitySettings).GetProperty("useLegacyDetailDistribution",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
if (property != null)
{
return (bool)property.GetValue(null);
}
}
catch
{
// Property doesn't exist in this Unity version
}
return false;
}
}
}
