UserLutModelEditor.cs
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using UnityEngine;
using UnityEngine.PostProcessing;
namespace UnityEditor.PostProcessing
{
using Settings = UserLutModel.Settings;
[PostProcessingModelEditor(typeof(UserLutModel))]
public class UserLutModelEditor : PostProcessingModelEditor
{
SerializedProperty m_Texture;
SerializedProperty m_Contribution;
public override void OnEnable()
{
m_Texture = FindSetting((Settings x) => x.lut);
m_Contribution = FindSetting((Settings x) => x.contribution);
}
public override void OnInspectorGUI()
{
var lut = (target as UserLutModel).settings.lut;
// Checks import settings on the lut, offers to fix them if invalid
if (lut != null)
{
var importer = (TextureImporter)AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(lut));
if (importer != null) // Fails when using an internal texture
{
#if UNITY_5_5_OR_NEWER
bool valid = importer.anisoLevel == 0
&& importer.mipmapEnabled == false
&& importer.sRGBTexture == false
&& (importer.textureCompression == TextureImporterCompression.Uncompressed);
#else
bool valid = importer.anisoLevel == 0
&& importer.mipmapEnabled == false
&& importer.linearTexture == true
&& (importer.textureFormat == TextureImporterFormat.RGB24 || importer.textureFormat == TextureImporterFormat.AutomaticTruecolor);
#endif
if (!valid)
{
EditorGUILayout.HelpBox("Invalid LUT import settings.", MessageType.Warning);
GUILayout.Space(-32);
using (new EditorGUILayout.HorizontalScope())
{
GUILayout.FlexibleSpace();
if (GUILayout.Button("Fix", GUILayout.Width(60)))
{
SetLUTImportSettings(importer);
AssetDatabase.Refresh();
}
GUILayout.Space(8);
}
GUILayout.Space(11);
}
}
else
{
m_Texture.objectReferenceValue = null;
}
}
EditorGUILayout.PropertyField(m_Texture);
EditorGUILayout.PropertyField(m_Contribution);
}
void SetLUTImportSettings(TextureImporter importer)
{
#if UNITY_5_5_OR_NEWER
importer.textureType = TextureImporterType.Default;
importer.sRGBTexture = false;
importer.textureCompression = TextureImporterCompression.Uncompressed;
#else
importer.textureType = TextureImporterType.Advanced;
importer.linearTexture = true;
importer.textureFormat = TextureImporterFormat.RGB24;
#endif
importer.anisoLevel = 0;
importer.mipmapEnabled = false;
importer.SaveAndReimport();
}
}
}