public virtual bool ShouldUseConfigForAssetImporter(AssetImporter assetImporter)
{
if (!IsEnabled)
{
return(false);
}
var assetPath = assetImporter.assetPath;
if (!AssetPreprocessorUtils.DoesRegexStringListMatchString(FilterOutBadRegexStrings(MatchRegexList, nameof(MatchRegexList)), assetPath))
{
return(false);
}
// Check that the Asset path does NOT match any ignore regex strings.
if (AssetPreprocessorUtils.DoesRegexStringListMatchString(FilterOutBadRegexStrings(IgnoreRegexList, nameof(IgnoreRegexList)), assetPath))
{
return(false);
}
return(true);
}
/// <summary>
/// https://docs.unity3d.com/ScriptReference/AssetPostprocessor.OnPreprocessTexture.html
/// </summary>
private void OnPreprocessTexture()
{
var textureImporter = (TextureImporter)assetImporter;
var assetPath = textureImporter.assetPath;
var textureName = AssetPreprocessorUtils.GetAssetNameFromPath(textureImporter.assetPath);
var texture = AssetDatabase.LoadAssetAtPath <Texture2D>(assetPath);
var platformName = EditorUserBuildSettings.activeBuildTarget.ToString();
var configs = AssetPreprocessorUtils.GetScriptableObjectsOfType <TexturePreprocessorConfig>();
if (configs.Count == 0)
{
Debug.Log($"Could not find a {nameof(TexturePreprocessorConfig)} in project.");
return;
}
configs = configs
.Where(conf => conf.ShouldUseConfigForAssetImporter(assetImporter))
.ToList();
configs.Sort((config1, config2) => config1.ConfigSortOrder.CompareTo(config2.ConfigSortOrder));
TexturePreprocessorConfig config = null;
for (var i = 0; i < configs.Count; i++)
{
var configToTest = configs[i];
if (!AssetPreprocessorUtils.DoesRegexStringListMatchString(configToTest.PlatformsRegexList, platformName))
{
continue;
}
// Found matching config.
config = configToTest;
break;
}
// If could not find a matching config, don't process the texture.
if (config == null)
{
return;
}
var currentPlatform = EditorUserBuildSettings.activeBuildTarget.ToString();
var currentPlatformSettings = textureImporter.GetPlatformTextureSettings(currentPlatform);
var hasAlpha = textureImporter.DoesSourceTextureHaveAlpha();
var nativeTextureSize = GetOriginalTextureSize(textureImporter);
var nativeSize = Mathf.NextPowerOfTwo(Mathf.Max(nativeTextureSize.width, nativeTextureSize.height));
var currentFormat = currentPlatformSettings.format.ToString();
// Handle when native size for texture is too small. Happens for baked light maps and reflection maps.
// Need to reimport asset once to get correct native texture size.
if (nativeSize <= 4)
{
AssetDatabase.Refresh();
return;
}
Debug.Log($"Processing: {textureName} | Native size: {nativeSize} | Current format: {currentFormat}", texture);
Debug.Log($"Using: {config.name}", config);
// If already contains correct texture format, skip adjusting import settings.
var matchingSkipRegex = config.SkipIfCurrentTextureFormatMatchesRegexList.Find(regexString => new Regex(regexString).IsMatch(currentFormat));
var alreadyContainsFormat = matchingSkipRegex != null;
if (!config.ForcePreprocess && alreadyContainsFormat)
{
Debug.Log($"Skipping preprocess. Current format matching skip regex: '{matchingSkipRegex}'", texture);
return;
}
if (config.EnableReadWrite && !textureImporter.isReadable)
{
Debug.Log("Enabling Read/Write.", texture);
textureImporter.isReadable = true;
}
var maxTextureSize = config.MaxTextureSize;
var multipliedNativeRes = Mathf.RoundToInt(nativeSize * config.NativeTextureSizeMultiplier);
var textureSize = Mathf.Min(multipliedNativeRes, maxTextureSize);
var format = hasAlpha ? config.RGBAFormat : config.RGBFormat;
if (config.ForceLinear)
{
textureImporter.sRGBTexture = false;
}
if (config.ForceFilterMode)
{
textureImporter.anisoLevel = config.AnisoLevel;
textureImporter.filterMode = config.FilterMode;
}
textureImporter.mipmapEnabled = config.GenerateMipMaps;
textureImporter.streamingMipmaps = config.EnableMipMapStreaming;
SetTextureImporterPlatformSetting(config, textureImporter, texture, textureName, textureSize, format);
}
/// <summary>
/// https://docs.unity3d.com/ScriptReference/AssetPostprocessor.OnPreprocessAudio.html
///
/// IMPORTANT:
/// Use OnPostprocessAudio() hook instead of OnPreprocessAudio() since OnPostprocessAudio gives a reference to
/// the AudioClip, which is needed for AudioClip.length.
/// </summary>
private void OnPostprocessAudio(AudioClip audioClip)
{
var importer = assetImporter as AudioImporter;
if (importer == null)
{
return;
}
var assetPath = importer.assetPath;
var assetName = AssetPreprocessorUtils.GetAssetNameFromPath(importer.assetPath);
var platformName = EditorUserBuildSettings.activeBuildTarget.ToString();
if (audioClip == null)
{
Debug.LogError($"{typeof(AudioClip)} is null. Path: {assetPath}");
return;
}
var configs = AssetPreprocessorUtils.GetScriptableObjectsOfType <AudioPreprocessorConfig>();
if (configs.Count == 0)
{
Debug.Log($"Could not find a {nameof(AudioPreprocessorConfig)} in project.");
return;
}
configs = configs
.Where(conf => conf.ShouldUseConfigForAssetImporter(assetImporter))
.ToList();
configs.Sort((config1, config2) => config1.ConfigSortOrder.CompareTo(config2.ConfigSortOrder));
AudioPreprocessorConfig config = null;
for (var i = 0; i < configs.Count; i++)
{
var configToTest = configs[i];
if (!AssetPreprocessorUtils.DoesRegexStringListMatchString(configToTest.PlatformsRegexList, platformName))
{
continue;
}
// Check that the AudioClip length is under the config's limit for clip length.
if (audioClip.length > configToTest.MaxClipLengthInSeconds)
{
continue;
}
// Found matching config.
config = configToTest;
Debug.Log($"Processing: {assetName}", audioClip);
Debug.Log($"Using: {config.name}", config);
break;
}
// If could not find a matching config, don't process the asset.
if (config == null)
{
return;
}
var hasSampleSettingsOverrides = false;
if (importer.loadInBackground != config.LoadInBackground)
{
importer.loadInBackground = config.LoadInBackground;
hasSampleSettingsOverrides = true;
}
if (importer.preloadAudioData != config.PreloadAudioData)
{
importer.preloadAudioData = config.PreloadAudioData;
hasSampleSettingsOverrides = true;
}
if (importer.forceToMono != config.ForceToMono)
{
importer.forceToMono = config.ForceToMono;
hasSampleSettingsOverrides = true;
}
if (importer.ambisonic != config.Ambisonic)
{
importer.ambisonic = config.Ambisonic;
hasSampleSettingsOverrides = true;
}
var sampleSettings = importer.GetOverrideSampleSettings(platformName);
if (sampleSettings.loadType != config.AudioClipLoadType)
{
sampleSettings.loadType = config.AudioClipLoadType;
hasSampleSettingsOverrides = true;
}
if (sampleSettings.compressionFormat != config.AudioCompressionFormat)
{
sampleSettings.compressionFormat = config.AudioCompressionFormat;
hasSampleSettingsOverrides = true;
}
if (System.Math.Abs(sampleSettings.quality - config.Quality) > 0.01f)
{
sampleSettings.quality = config.Quality;
hasSampleSettingsOverrides = true;
}
if (sampleSettings.sampleRateSetting != config.AudioSampleRateSetting)
{
sampleSettings.sampleRateSetting = config.AudioSampleRateSetting;
hasSampleSettingsOverrides = true;
}
if (hasSampleSettingsOverrides || config.ForcePreprocess)
{
config.PlatformsRegexList.ForEach(platformRegexString => importer.SetOverrideSampleSettings(platformRegexString, sampleSettings));
// Be sure to set the platform override for the current platform string, in case the current platform was
// NOT a perfect match to one of the platform regex strings.
importer.SetOverrideSampleSettings(EditorUserBuildSettings.activeBuildTarget.ToString(), sampleSettings);
}
}
/// <summary>
/// https://docs.unity3d.com/ScriptReference/AssetPostprocessor.OnPostprocessModel.html
/// </summary>
/// <param name="gameObject">GameObject of the model.</param>
private void OnPostprocessModel(GameObject model)
{
var modelImporter = (ModelImporter)assetImporter;
var modelName = AssetPreprocessorUtils.GetAssetNameFromPath(modelImporter.assetPath);
var configs = AssetPreprocessorUtils.GetScriptableObjectsOfType <ModelPreprocessorConfig>();
if (configs.Count == 0)
{
Debug.Log($"Could not find a {nameof(ModelPreprocessorConfig)} in project.");
return;
}
configs = configs
.Where(conf => conf.ShouldUseConfigForAssetImporter(assetImporter))
.ToList();
configs.Sort((config1, config2) => config1.ConfigSortOrder.CompareTo(config2.ConfigSortOrder));
ModelPreprocessorConfig config = null;
for (var i = 0; i < configs.Count; i++)
{
var configToTest = configs[i];
// Found matching config.
config = configToTest;
Debug.Log($"Processing: {modelName}", model);
Debug.Log($"Using: {config.name}", config);
break;
}
// If could not find a matching config, don't process the asset.
if (config == null)
{
return;
}
modelImporter.sortHierarchyByName = config.SortHierarchyByName;
modelImporter.importLights = config.ImportLights;
modelImporter.importVisibility = config.ImportVisibility;
modelImporter.importCameras = config.ImportCameras;
modelImporter.isReadable = config.EnableReadWrite;
modelImporter.meshCompression = config.MeshCompression;
modelImporter.resampleCurves = config.ResampleCurves;
if (config.ForceGenerateLightmapUVs)
{
modelImporter.generateSecondaryUV = true;
}
if (modelImporter.importAnimation)
{
modelImporter.animationCompression = config.ModelImporterAnimationCompression;
}
if (modelImporter.importMaterials != config.ImportMaterials)
{
modelImporter.importMaterials = config.ImportMaterials;
}
if (modelImporter.importBlendShapes != config.ImportBlendShapes)
{
modelImporter.importBlendShapes = config.ImportBlendShapes;
}
if (config.EnableAnimationPreprocessing &&
modelImporter.animationType != config.ModelImporterAnimationType)
{
modelImporter.animationType = config.ModelImporterAnimationType;
}
if (config.EnableAnimationPreprocessing &&
modelImporter.animationType == ModelImporterAnimationType.Human)
{
var clips = modelImporter.clipAnimations.ToArray();
// Enable the bones for ALL of the model's animation clips.
for (var i = 0; i < clips.Length; i++)
{
var clip = clips[i];
if (clip.maskType != ClipAnimationMaskType.CreateFromThisModel)
{
continue;
}
var serializedObject = new SerializedObject(modelImporter);
var transformMask = serializedObject.FindProperty($"m_ClipAnimations.Array.data[{i}].transformMask");
var arrayProperty = transformMask.FindPropertyRelative("Array");
for (var j = 0; j < arrayProperty.arraySize; j++)
{
var element = arrayProperty.GetArrayElementAtIndex(j);
var bonePath = element.FindPropertyRelative("m_Path").stringValue;
var shouldEnable = false;
if (AssetPreprocessorUtils.DoesRegexStringListMatchString(config.MaskBonesToEnable, bonePath))
{
if (config.EnableVerboseLogging)
{
Debug.Log($"{clip.name} - Enabling Mask bone: {bonePath}", model);
}
shouldEnable = true;
}
element.FindPropertyRelative("m_Weight").floatValue = shouldEnable ? 1 : 0;
serializedObject.ApplyModifiedProperties();
}
}
EditorUtility.SetDirty(model);
}
Debug.Log($"Processed: {model.name}", model);
}
private void OnPreprocessAnimation()
{
var modelImporter = assetImporter as ModelImporter;
if (modelImporter.defaultClipAnimations.Length == 0)
{
return;
}
var modelName = AssetPreprocessorUtils.GetAssetNameFromPath(modelImporter.assetPath);
var configs = AssetPreprocessorUtils.GetScriptableObjectsOfType <ModelPreprocessorConfig>();
if (configs.Count == 0)
{
Debug.Log($"Could not find a {nameof(ModelPreprocessorConfig)} in project.");
return;
}
configs = configs
.Where(conf => conf.ShouldUseConfigForAssetImporter(assetImporter))
.Where(conf => conf.EnableAnimationPreprocessing)
.ToList();
configs.Sort((config1, config2) => config1.ConfigSortOrder.CompareTo(config2.ConfigSortOrder));
ModelPreprocessorConfig config = null;
for (var i = 0; i < configs.Count; i++)
{
var configToTest = configs[i];
// Found matching config.
config = configToTest;
break;
}
// If could not find a matching config, don't process the asset.
if (config == null)
{
return;
}
if (modelImporter.clipAnimations.Length > 0 && !config.ForcePreprocess)
{
Debug.Log($"Skipping Animation Preprocess - {modelName} - Animation has been preprocessed already before.", config);
return;
}
Debug.Log($"Processing animations for: {modelName}");
Debug.Log($"Using: {config.name}", config);
var clips = modelImporter.defaultClipAnimations.ToArray();
for (var i = 0; i < clips.Length; i++)
{
var clip = clips[i];
clip.keepOriginalPositionXZ = config.KeepOriginalPositionXZ;
clip.keepOriginalOrientation = config.KeepOriginalOrientation;
clip.keepOriginalPositionY = config.KeepOriginalPositionY;
clip.maskType = config.ClipAnimationMaskType;
clips[i] = clip;
}
modelImporter.clipAnimations = clips;
}
