/// <summary>
/// used for packing an alpha channel into an existing RGB texture. Uses native Unity API calls, can't be multithreaded, and is considerably slower than our own method.
/// Currently has to run if using Mac OSX as there is no support for the system.imaging library on that operating system.
/// Will fail if textures aren't the same resolution.
/// </summary>
/// <param name="cPixels"></param>
/// <param name="invertAlpha"></param>
/// <returns></returns>
public static void ImportTerrainNormal(string sourcepath, string destPath)
{
try
{
if (sourcepath == null)
{
return;
}
UnityEngine.Color[] rgbCols = ImportJPG(sourcepath) != null?ImportJPG(sourcepath).GetPixels() : null;
UnityEngine.Color[] rgbaCols = new UnityEngine.Color[width * height];
for (int i = 0; i < width * height; ++i)
{
rgbaCols[i] = rgbCols != null ? rgbCols[i] : new UnityEngine.Color(1.0f, 1.0f, 1.0f);
rgbaCols[i].g = 1.0f - rgbaCols[i].g;
rgbaCols[i].a = 1.0f;
}
Texture2D tex = new Texture2D(width, height, TextureFormat.RGBAFloat, false);
tex.SetPixels(rgbaCols);
File.WriteAllBytes(destPath, tex.EncodeToPNG());
AssetDatabase.ImportAsset(destPath);
TextureImportSetup(destPath, true, false);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Generate Terrain Normal:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// used for packing an alpha channel into an existing RGB texture. Uses native Unity API calls, can't be multithreaded, and is considerably slower than our own method.
/// Currently has to run if using Mac OSX as there is no support for the system.imaging library on that operating system.
/// Will fail if textures aren't the same resolution.
/// </summary>
/// <param name="cPixels"></param>
/// <param name="aPixels"></param>
/// <param name="invertAlpha"></param>
/// <returns></returns>
public static Texture2D PackTextures(string rgbPath, string aPath, string savePath, bool invertAlpha = false)
{
try
{
if ((rgbPath == null) && (aPath == null))
{
return(null);
}
UnityEngine.Color[] rgbCols = ImportJPG(rgbPath) != null?ImportJPG(rgbPath).GetPixels() : null;
UnityEngine.Color[] aCols = ImportJPG(aPath) != null?ImportJPG(aPath).GetPixels() : null;
UnityEngine.Color[] rgbaCols = new UnityEngine.Color[width * height];
for (int i = 0; i < width * height; ++i)
{
rgbaCols[i] = rgbCols != null ? rgbCols[i] : new UnityEngine.Color(1.0f, 1.0f, 1.0f);
rgbaCols[i].a = aCols != null ? ((aCols[i].r + aCols[i].g + aCols[i].b) / 3.0f) : 1.0f;
rgbaCols[i].a = invertAlpha ? 1.0f - rgbaCols[i].a : rgbaCols[i].a;
}
Texture2D tex = new Texture2D(width, height, TextureFormat.RGBAFloat, false);
tex.SetPixels(rgbaCols);
File.WriteAllBytes(savePath, tex.EncodeToPNG());
AssetDatabase.ImportAsset(savePath);
DestroyImmediate(tex);
return(TextureImportSetup(savePath, false));
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Channel Pack RGB + A:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
/// <summary>
/// reads a texture file straight from hard drive absolute path, converts it to a Unity texture.
/// </summary>
/// <param name="sourcePath"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static Texture2D ImportJPG(string sourcePath)
{
try
{
if (sourcePath == null)
{
return(null);
}
if (!File.Exists(sourcePath))
{
Debug.LogWarning("Could not find " + sourcePath + "\nPlease make sure it is downloaded.");
return(null);
}
byte[] texData = File.ReadAllBytes(sourcePath);
Texture2D tex = new Texture2D(2, 2, TextureFormat.RGBAFloat, true);
tex.LoadImage(texData);
width = tex.width;
height = tex.height;
return(tex);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Import JPG:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
/// <summary>
/// Invert green channel of the selected texture 2D
/// </summary>
public static void FlipGreenChannel()
{
try
{
string sourcePath = MegascansUtilities.GetSelectedTexture();
if (sourcePath == null)
{
return;
}
EditorUtility.DisplayProgressBar("Bridge Plugin", "Flipping green channel...", 0.5f);
UnityEngine.Color[] rgbCols = ImportJPG(sourcePath).GetPixels();
UnityEngine.Color[] rgbaCols = new UnityEngine.Color[width * height];
for (int i = 0; i < width * height; ++i)
{
rgbaCols[i] = rgbCols != null ? rgbCols[i] : new UnityEngine.Color(1.0f, 1.0f, 1.0f);
rgbaCols[i].g = 1.0f - rgbaCols[i].g;
rgbaCols[i].a = 1.0f;
}
Texture2D tex = new Texture2D(width, height, TextureFormat.RGBAFloat, false);
tex.SetPixels(rgbaCols);
File.WriteAllBytes(sourcePath, tex.EncodeToPNG());
AssetDatabase.ImportAsset(sourcePath);
MegascansUtilities.HideProgressBar();
Debug.Log("Successfully flipped green channel.");
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Flip Green Channel:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
static void ImportMesh(string sourcePath, string destPath)
{
try
{
MegascansUtilities.UpdateProgressBar(1.0f, "Importing Megascans Asset", "Importing Mesh...");
if (File.Exists(sourcePath))
{
File.Copy(sourcePath, destPath, true);
AssetDatabase.ImportAsset(destPath);
}
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::Importing Mesh:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// This function attempts to create a folder name
/// </summary>
void GetAssetFolderName(JObject objectList)
{
assetName = (string)objectList["name"];
id = (string)objectList["id"];
assetResolution = "";
try {
string namingConvention = (string)objectList["namingConvention"];
finalName = namingConvention;
if (namingConvention != "" && namingConvention != null)
{
if (namingConvention.Contains("$id"))
{
finalName = finalName.Replace("$id", id);
}
if (namingConvention.Contains("$name"))
{
finalName = finalName.Replace("$name", assetName);
}
//Add support for $matName when it is finalized.
if (namingConvention.Contains("$matName"))
{
finalName = finalName.Replace("$matName", "");
}
if (namingConvention.Contains("$type"))
{
finalName = finalName.Replace("$type", (string)objectList["type"]);
}
if (namingConvention.Contains("$resolution"))
{
assetResolution = (string)objectList["resolution"];
}
return;
}
} catch (Exception ex) {
Debug.Log(ex);
MegascansUtilities.HideProgressBar();
}
finalName = finalName.Replace("__", "_").Replace(".", "");
finalName = MegascansUtilities.FixSpaces(new string[] { assetName.Replace(" ", "_"), id });
}
/// <summary>
/// literally just write the file to disk.
/// </summary>
/// <param name="tex"></param>
/// <param name="assetPath"></param>
public static void CreateTexture(string tex, string assetPath)
{
try
{
if ((tex == null) || (File.Exists(tex) == false))
{
return;
}
Texture2D t = ImportJPG(tex);
File.WriteAllBytes(assetPath, t.EncodeToPNG());
AssetDatabase.ImportAsset(assetPath);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Create Texture:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
static GameObject SavePrefab(GameObject prefabGo, string savePath, bool addAssetToScene = false)
{
try
{
//Set all children objects of the prefab to static
Transform[] allChildren = prefabGo.GetComponentsInChildren <Transform>();
foreach (Transform child in allChildren)
{
child.gameObject.isStatic = true;
}
GameObject newPrefabObject = prefabGo;
MegascansUtilities.UpdateProgressBar(1.0f, "Importing Megascans Asset", "Creating Prefab...");
#if UNITY_5 || UNITY_2017 || UNITY_2018
UnityEngine.Object existingPrefab = AssetDatabase.LoadAssetAtPath(savePath, typeof(UnityEngine.Object));
if (!existingPrefab)
{
PrefabUtility.CreatePrefab(savePath, prefabGo);
}
else
{
PrefabUtility.ReplacePrefab(prefabGo, existingPrefab, ReplacePrefabOptions.ReplaceNameBased);
}
#else
PrefabUtility.SaveAsPrefabAsset(prefabGo, savePath);
#endif
DestroyImmediate(prefabGo);
if (addAssetToScene)
{
UnityEngine.Object prefabObject = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(savePath);
newPrefabObject = (GameObject)PrefabUtility.InstantiatePrefab(prefabObject);
newPrefabObject.isStatic = true;
}
return(newPrefabObject);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::Saving Prefab:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
public static void CreateTerrainLayerFromMat()
{
try {
Material selectedMat = MegascansUtilities.GetSelectedMaterial();
if (!selectedMat)
{
return;
}
Debug.Log("Here");
createTerrainLayer(selectedMat, 1f);
Debug.Log("Successfully created the terrain layer.");
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Flip Green Channel:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// This function attempts to create a folder name
/// </summary>
void GetAssetFolderName(JObject objectList)
{
try {
assetResolution = "";
string namingConvention = (string)objectList["namingConvention"];
finalName = namingConvention;
if (namingConvention != "" && namingConvention != null)
{
if (namingConvention.Contains("$id"))
{
finalName = finalName.Replace("$id", (string)objectList["id"]);
}
if (namingConvention.Contains("$name"))
{
finalName = finalName.Replace("$name", (string)objectList["name"]);
}
if (namingConvention.Contains("$type"))
{
finalName = finalName.Replace("$type", (string)objectList["type"]);
}
if (namingConvention.Contains("$resolution"))
{
assetResolution = (string)objectList["resolution"];
}
return;
}
} catch (Exception ex) {
Debug.Log(ex);
MegascansUtilities.HideProgressBar();
}
//then create a unique subfolder for the asset.
assetName = (string)objectList["name"];
id = (string)objectList["id"];
finalName = MegascansUtilities.FixSpaces(new string[] { assetName.Replace(" ", "_"), id });
Debug.Log("Final name:" + finalName);
}
static GameObject SavePrefab(GameObject prefabGo, string savePath, bool addAssetToScene = false)
{
try
{
GameObject newPrefabObject = prefabGo;
MegascansUtilities.UpdateProgressBar(1.0f, "Importing Megascans Asset", "Creating Prefab...");
#if UNITY_2019
PrefabUtility.SaveAsPrefabAsset(prefabGo, savePath);
DestroyImmediate(prefabGo);
if (addAssetToScene)
{
UnityEngine.Object prefabObject = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(savePath);
newPrefabObject = (GameObject)PrefabUtility.InstantiatePrefab(prefabObject);
}
#else
UnityEngine.Object existingPrefab = AssetDatabase.LoadAssetAtPath(savePath, typeof(UnityEngine.Object));
if (!existingPrefab)
{
PrefabUtility.CreatePrefab(savePath, prefabGo);
}
else
{
PrefabUtility.ReplacePrefab(prefabGo, existingPrefab, ReplacePrefabOptions.ReplaceNameBased);
}
if (!addAssetToScene)
{
DestroyImmediate(prefabGo);
}
#endif
return(newPrefabObject);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::Saving Prefab:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
/// <summary>
/// Sets the import settings for textures, normalmap, sRGB etc.
/// </summary>
/// <param name="assetPath"></param>
/// <param name="normalMap"></param>
/// <param name="sRGB"></param>
public static Texture2D TextureImportSetup(string assetPath, bool normalMap, bool sRGB = true)
{
try
{
TextureImporter tImp = AssetImporter.GetAtPath(assetPath) as TextureImporter;
if (tImp == null)
{
return(null);
}
int importResolution = Convert.ToInt32(Math.Pow(2, 9 + EditorPrefs.GetInt("QuixelDefaultImportResolution", 4)));
tImp.maxTextureSize = importResolution;
tImp.sRGBTexture = sRGB;
tImp.textureType = normalMap ? TextureImporterType.NormalMap : TextureImporterType.Default;
AssetDatabase.ImportAsset(assetPath);
return(AssetDatabase.LoadAssetAtPath <Texture2D>(assetPath));
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Texture Import Setup:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
/// <summary>
/// Takes an imported JSON object, and breaks it into relevant components and data.
/// Then calls relevant functions for actual import of asset.
/// </summary>
/// <param name="objectList"></param>
public string ImportMegascansAssets(JObject objectList)
{
var startTime = System.DateTime.Now;
string activeLOD = (string)objectList["activeLOD"];
string minLOD = (string)objectList["minLOD"];
isAlembic = false;
plant = false;
highPoly = false;
hasBillboardLOD = false;
hasBillboardLODOnly = false;
mapName = "";
//get texture components from the current object.
JArray textureComps = (JArray)objectList["components"];
//get mesh components from the current object.
JArray meshComps = (JArray)objectList["meshList"];
//Map name overrides.
mapNames = (JObject)objectList["mapNameOverride"];
//run a check to see if we're using Unity 5 or below, and then if we're trying to import a high poly mesh. if so, let the user know we are aborting the import.
if (meshComps.Count > 0)
{
isAlembic = Path.GetExtension((string)meshComps[0]["path"]) == ".abc";
}
hasBillboardLOD = MegascansMeshUtils.ContainsLowestLOD((JArray)objectList["lodList"], minLOD);
assetType = (int)objectList["meshVersion"];
type = (string)objectList["type"];
if (type.ToLower().Contains("3dplant"))
{
plant = true;
if (minLOD == activeLOD)
{
hasBillboardLODOnly = true;
}
}
try {
LoadPreferences();
MegascansUtilities.CalculateNumberOfOperations(objectList, dispType, texPack, shaderType, generateTerrainNormal, hasBillboardLODOnly);
path = ConstructPath(objectList);
if (path == null || path == "")
{
Debug.Log("Asset: " + (string)objectList["name"] + " already exist in the Project. Please delete/rename the existing folder and re-import this asset.");
AssetDatabase.Refresh();
return(null);
}
GetShaderType();
} catch (Exception ex) {
Debug.Log("Error setting import path.");
Debug.Log(ex.ToString());
MegascansUtilities.HideProgressBar();
}
try {
//process textures
ProcessTextures(textureComps);
if (finalMat == null && !(plant && hasBillboardLODOnly))
{
Debug.Log("The import path is incorrect. Asset import aborted.");
return(null);
}
else
{
if (type.ToLower().Contains("surface") && applyToSelection)
{
foreach (MeshRenderer render in MegascansUtilities.GetSelectedMeshRenderers())
{
render.material = finalMat;
}
}
}
} catch (Exception ex) {
Debug.Log("Error importing textures.");
Debug.Log(ex.ToString());
MegascansUtilities.HideProgressBar();
}
//process meshes
if (meshComps == null && !type.Contains("surface"))
{
Debug.LogError("No meshes found. Please double check your export settings.");
Debug.Log("Import failed.");
return(null);
}
if (meshComps.Count > 0)
{
if (activeLOD == "high")
{
//detect if we're trying to import a high poly mesh...
string msg = "You are about to import a high poly mesh. \nThese meshes are usually millions of polygons and can cause instability to your project. \nWould you like to proceed?";
if (EditorUtility.DisplayDialog("WARNING!", msg, "Yes", "No"))
{
#if UNITY_EDITOR_WIN
hpMat = new Material(finalMat.shader);
hpMat.CopyPropertiesFromMaterial(finalMat);
hpMat.SetTexture("_NormalMap", null);
hpMat.SetTexture("_BumpMap", null);
hpMat.DisableKeyword("_NORMALMAP_TANGENT_SPACE");
hpMat.DisableKeyword("_NORMALMAP");
hpMat.name = MegascansUtilities.FixSpaces(new string[] { hpMat.name, "HighPoly" });
string hpMatDir = MegascansUtilities.FixSpaces(new string[] { matPath, "HighPoly.mat" });
AssetDatabase.CreateAsset(hpMat, hpMatDir);
#endif
highPoly = true;
}
}
try {
//process meshes and prefabs
PrefabData prefData = new PrefabData(path, finalName, lodFadeMode, highPoly, addAssetToScene, setupCollision, hasBillboardLOD, isAlembic, false, finalMat, hpMat, billboardMat, new List <string>(), new List <List <string> >());
MegascansMeshUtils.ProcessMeshes(objectList, path, highPoly, plant, prefData);
} catch (Exception ex) {
Debug.Log("Error importing meshes.");
Debug.Log(ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
var endTime = System.DateTime.Now;
var totalTime = endTime - startTime;
Debug.Log("Asset Import Time: " + totalTime);
AssetDatabase.Refresh();
MegascansUtilities.HideProgressBar();
//Application.GarbageCollectUnusedAssets();
return(path);
}
void ImportAllTextures(Material mat, JArray texturesList)
{
try {
List <string> typesOfTexturesAvailable = new List <string>();
for (int i = 0; i < texturesList.Count; i++)
{
typesOfTexturesAvailable.Add((string)texturesList[i]["type"]);
}
string destTexPath;
Texture2D tex;
for (int i = 0; i < texturesList.Count; i++)
{
mapName = (string)texturesList[i]["type"];
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
if ((string)texturesList[i]["type"] == "albedo" || ((string)texturesList[i]["type"] == "diffuse" && !typesOfTexturesAvailable.Contains("albedo")))
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_MainTex", tex);
mat.SetTexture("_BaseColorMap", tex);
if (shaderType == 1)
{
mat.SetTexture("_BaseMap", tex);
mat.SetColor("_BaseColor", Color.white);
}
if (MegascansUtilities.AlbedoHasOpacity((JObject)texturesList[i]["channelsData"]))
{
float alphaCutoff = 0.33f;
texPrcsr.AdjustAlphaCutoff();
if (shaderType > 0)
{
mat.SetFloat("_AlphaClip", 1);
mat.SetFloat("_Cutoff", 0.1f);
mat.SetFloat("_Mode", 1);
mat.SetFloat("_Cull", 0);
mat.EnableKeyword("_ALPHATEST_ON");
}
else
{
mat.SetInt("_AlphaCutoffEnable", 1);
mat.SetFloat("_AlphaCutoff", alphaCutoff);
mat.SetInt("_DoubleSidedEnable", 1);
mat.SetOverrideTag("RenderType", "TransparentCutout");
mat.SetInt("_ZTestGBuffer", (int)UnityEngine.Rendering.CompareFunction.Equal);
mat.SetInt("_CullMode", (int)UnityEngine.Rendering.CullMode.Off);
mat.SetInt("_CullModeForward", (int)UnityEngine.Rendering.CullMode.Back);
mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
mat.SetInt("_ZWrite", 1);
mat.renderQueue = 2450;
mat.SetInt("_ZTestGBuffer", (int)UnityEngine.Rendering.CompareFunction.Equal);
mat.EnableKeyword("_ALPHATEST_ON");
mat.EnableKeyword("_DOUBLESIDED_ON");
mat.DisableKeyword("_BLENDMODE_ALPHA");
mat.DisableKeyword("_SURFACE_TYPE_TRANSPARENT");
}
}
}
else if ((string)texturesList[i]["type"] == "specular")
{
if (texPack > 0)
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_SpecGlossMap", tex);
mat.SetTexture("_SpecularColorMap", tex);
mat.SetColor("_SpecColor", new UnityEngine.Color(1.0f, 1.0f, 1.0f));
mat.SetColor("_SpecularColor", new UnityEngine.Color(1.0f, 1.0f, 1.0f));
mat.SetFloat("_WorkflowMode", 0);
mat.SetFloat("_MaterialID", 4);
mat.EnableKeyword("_METALLICSPECGLOSSMAP");
mat.EnableKeyword("_SPECGLOSSMAP");
mat.EnableKeyword("_SPECULAR_SETUP");
mat.EnableKeyword("_SPECULARCOLORMAP");
mat.EnableKeyword("_MATERIAL_FEATURE_SPECULAR_COLOR");
}
}
else if ((string)texturesList[i]["type"] == "masks")
{
if (texPack < 1 || shaderType < 1)
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath, false, false);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_MaskMap", tex);
mat.SetTexture("_MetallicGlossMap", tex);
mat.EnableKeyword("_MASKMAP");
mat.SetFloat("_MaterialID", 1);
mat.EnableKeyword("_METALLICSPECGLOSSMAP");
mat.EnableKeyword("_METALLICGLOSSMAP");
bool hasMetalness;
bool hasAO;
bool hasGloss;
MegascansUtilities.MaskMapComponents((JObject)texturesList[i]["channelsData"], out hasMetalness, out hasAO, out hasGloss);
if (!hasMetalness)
{
mat.SetFloat("_Metallic", 1.0f);
}
if (hasAO)
{
mat.SetTexture("_OcclusionMap", tex);
mat.EnableKeyword("_OCCLUSIONMAP");
}
}
}
else if ((string)texturesList[i]["type"] == "normal")
{
string normalMapPath = (string)texturesList[i]["path"];
if (activeLOD == "high" && !normalMapPath.Contains("NormalBump"))
{
for (int x = 0; x < 10; x++)
{
string n = normalMapPath.Replace("_LOD" + x.ToString(), "Bump");
if (File.Exists(n))
{
normalMapPath = n;
break;
}
}
if (normalMapPath.Contains("NormalBump"))
{
continue;
}
}
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor(normalMapPath, destTexPath, true, false);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_BumpMap", tex);
mat.SetTexture("_NormalMap", tex);
mat.EnableKeyword("_NORMALMAP_TANGENT_SPACE");
mat.EnableKeyword("_NORMALMAP");
}
else if ((string)texturesList[i]["type"] == "ao" && texPack > 0)
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath, false, false);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_OcclusionMap", tex);
mat.EnableKeyword("_OCCLUSIONMAP");
}
else if ((string)texturesList[i]["type"] == "displacement")
{
if (dispType > 0)
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath, false, false);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_HeightMap", tex);
mat.SetTexture("_ParallaxMap", tex);
mat.EnableKeyword("_DISPLACEMENT_LOCK_TILING_SCALE");
if (shaderType == 0)
{
mat.EnableKeyword("_HEIGHTMAP");
}
if (dispType == 1)
{
mat.EnableKeyword("_VERTEX_DISPLACEMENT");
mat.EnableKeyword("_VERTEX_DISPLACEMENT_LOCK_OBJECT_SCALE");
}
else if (dispType == 2)
{
mat.EnableKeyword("_PARALLAXMAP");
mat.EnableKeyword("_PIXEL_DISPLACEMENT");
mat.EnableKeyword("_PIXEL_DISPLACEMENT_LOCK_OBJECT_SCALE");
}
}
}
else if ((string)texturesList[i]["type"] == "translucency")
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_SubsurfaceMaskMap", tex);
mat.EnableKeyword("_SUBSURFACE_MASK_MAP");
mat.SetInt("_DiffusionProfile", 1);
mat.SetFloat("_EnableSubsurfaceScattering", 1);
if (!typesOfTexturesAvailable.Contains("transmission"))
{
mat.SetTexture("_ThicknessMap", tex);
mat.EnableKeyword("_THICKNESSMAP");
}
if (plant)
{
mat.SetInt("_DiffusionProfile", 2);
mat.SetFloat("_CoatMask", 0.0f);
mat.SetInt("_EnableWind", 1);
mat.EnableKeyword("_VERTEX_WIND");
}
MegascansMaterialUtils.AddSSSSettings(mat, shaderType);
}
else if ((string)texturesList[i]["type"] == "transmission")
{
destTexPath = Path.Combine(texPath, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor((string)texturesList[i]["path"], destTexPath, false, false);
tex = texPrcsr.ImportTexture();
mat.SetTexture("_ThicknessMap", tex);
mat.EnableKeyword("_THICKNESSMAP");
mat.SetInt("_DiffusionProfile", 2);
MegascansMaterialUtils.AddSSSSettings(mat, shaderType);
}
else if (importAllTextures)
{
mapName = (string)texturesList[i]["type"];
string mapPath = (string)texturesList[i]["path"];
string otherTexFolder = MegascansUtilities.ValidateFolderCreate(texPath, "Others");
destTexPath = Path.Combine(otherTexFolder, (string)texturesList[i]["nameOverride"]);
MegascansTextureProcessor texPrcsr = new MegascansTextureProcessor(mapPath, destTexPath);
tex = texPrcsr.ImportTexture();
}
}
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImporter::ImportAllTextures:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// Creates prefabs for the 3D Scatter assets.
/// </summary>
/// <param name="hasBillboard"></param>
/// <returns></returns>
public static void CreatePrefabsScatter(PrefabData prefabData)
{
try
{
string prefabPath = MegascansUtilities.ValidateFolderCreate(prefabData.assetPath, "Prefabs");
int numberOfVariations = MegascansUtilities.GetMeshChildrenCount(prefabData.importedGeometryPaths3D);
List <GameObject> prefabObjects = new List <GameObject>();
for (int i = 0; i < numberOfVariations; i++)
{
string prefabName = prefabData.finalAssetName.Replace("$mapName", "").Replace("$resolution", "").Replace("$lod", "").Replace("$variation", "");
string varName = "Var" + (i + 1).ToString();
prefabName = prefabName.Contains("$variation") ? prefabName.Replace("$variation", "Var" + varName) : prefabName + varName;
//Setting up prefab gameobject
GameObject prefabGameObject = new GameObject();
prefabGameObject.name = prefabName;
prefabGameObject.isStatic = true;
if (prefabData.setupLODs)
{
prefabGameObject.AddComponent <LODGroup>();
prefabGameObject.GetComponent <LODGroup>().fadeMode = (LODFadeMode)prefabData.lodFadeMode; //Casting lod fade mode to enum.
prefabGameObject.GetComponent <LODGroup>().animateCrossFading = true;
}
List <LOD> lodsForPrefab = new List <LOD>();
int numberOfFiles = prefabData.importedGeometryPaths3D.Count;
List <float> lodHeights = MegascansUtilities.getLODHeightList(numberOfFiles);
//Instantiate all the meshes in the scene, add them to the material/collider to them.
for (int x = 0; (x < numberOfFiles && x < 8); x++)
{
UnityEngine.Object loadedGeometry = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(prefabData.importedGeometryPaths3D[x]);
//Highpoly mesh check.
if (loadedGeometry.name.ToLower().Contains("highpoly") && !prefabData.highpoly)
{
continue;
}
GameObject geometryObject = Instantiate(loadedGeometry) as GameObject;
Renderer[] r;
if (prefabData.isAlembic) //if the instantiated mesh is an alembic asset.
{
//Get all variations in a LOD
List <Transform> varsInLOD = new List <Transform>();
foreach (Transform var in geometryObject.transform)
{
varsInLOD.Add(var);
}
//Delete all the other variations in the LOD object
for (int y = 0; y < varsInLOD.Count; y++)
{
//If variation does not match one currently being processed.
if (y != i)
{
DestroyImmediate(varsInLOD[y].gameObject);
}
}
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
r = geometryObject.GetComponentsInChildren <Renderer>();
}
else//if the instantiated mesh is a scatter type asset.
{
//Get all variations in a LOD
List <Transform> varsInLOD = new List <Transform>();
foreach (Transform var in geometryObject.transform)
{
varsInLOD.Add(var);
}
//Delete all the other variations in the LOD object
for (int y = 0; y < varsInLOD.Count; y++)
{
//If variation does not match one currently being processed.
if (y != i)
{
DestroyImmediate(varsInLOD[y].gameObject);
}
}
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
r = geometryObject.GetComponentsInChildren <Renderer>();
}
foreach (Renderer ren in r)
{
ren.material = prefabData.finalMat;
//Apply highpoly material if the mesh was highpoly and highpoly filter is enabled.
if (loadedGeometry.name.ToLower().Contains("highpoly") && prefabData.highpoly)
{
ren.material = prefabData.highpolyMat;
#if UNITY_EDITOR_OSX
ren.material = prefabData.finalMat;
#endif
}
//Apply collision
if (prefabData.setupCollision)
{
ren.gameObject.AddComponent <MeshCollider>().sharedMesh = ren.gameObject.GetComponent <MeshFilter>().sharedMesh;
}
}
if (prefabData.setupLODs)
{
lodsForPrefab.Add(new LOD(lodHeights[0], r));
lodHeights.RemoveAt(0);
}
else
{
break;
}
}
//Set LODs in the LOD group
if (prefabData.setupLODs)
{
prefabGameObject.GetComponent <LODGroup>().SetLODs(lodsForPrefab.ToArray());
prefabGameObject.GetComponent <LODGroup>().RecalculateBounds();
}
//Prefab saving
string prefLocation = prefabPath + "/" + prefabName + ".prefab";
prefLocation = prefLocation.Replace("(Clone)", "");
GameObject prefabObject = SavePrefab(prefabGameObject, prefLocation, prefabData.addAssetToScene);
if (prefabObject)
{
prefabObjects.Add(prefabObject);
}
}
//Setting up variation holder gameobject
GameObject scatterParent = new GameObject(prefabData.assetName);
scatterParent.isStatic = true;
foreach (GameObject variation in prefabObjects)
{
variation.transform.parent = scatterParent.transform;
}
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::3D Asset Prefab:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// Creates prefabs from the newer assets on bridge, has an option for billboard materials on plants.
/// </summary>
/// <param name="hasBillboard"></param>
/// <returns></returns>
public static void CreatePrefab3DPlant(PrefabData prefabData)
{
try
{
string prefabPath = MegascansUtilities.ValidateFolderCreate(prefabData.assetPath, "Prefabs");
string tempPrefabName = prefabData.finalAssetName.Replace("$mapName", "").Replace("$resolution", "").Replace("$lod", "");
List <GameObject> prefabObjects = new List <GameObject>();
for (int i = 0; i < prefabData.importedGeometryPaths3DPlant.Count; i++)
{
string variation = "Var" + (i + 1).ToString();
string prefabName = tempPrefabName.Contains("$variation") ? tempPrefabName.Replace("$variation", variation) : tempPrefabName + "_" + variation; //Prefab saving
//Setting up prefab gameobject
GameObject prefabGameObject = new GameObject();
prefabGameObject.name = prefabName;
prefabGameObject.isStatic = true;
if (prefabData.setupLODs)
{
prefabGameObject.AddComponent <LODGroup>();
prefabGameObject.GetComponent <LODGroup>().fadeMode = (LODFadeMode)prefabData.lodFadeMode; //Casting lod fade mode to enum.
prefabGameObject.GetComponent <LODGroup>().animateCrossFading = true;
}
List <LOD> lodsForPrefab = new List <LOD>();
int numberOfFiles = prefabData.importedGeometryPaths3DPlant[i].Count;
List <float> lodHeights = MegascansUtilities.getLODHeightList(numberOfFiles);
//Instantiate all the meshes in the scene, add them to the material/collider to them.
for (int x = 0; (x < numberOfFiles && x < 8); x++)
{
UnityEngine.Object loadedGeometry = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(prefabData.importedGeometryPaths3DPlant[i][x]);
//Highpoly mesh check.
if (loadedGeometry.name.ToLower().Contains("highpoly") && !prefabData.highpoly)
{
continue;
}
GameObject geometryObject = Instantiate(loadedGeometry) as GameObject;
Renderer[] r;
//Parent all the objects to the prefab game object.
if (geometryObject.transform.childCount > 0 && !prefabData.isAlembic)
{
r = new Renderer[geometryObject.transform.childCount];
for (int j = 0; j < geometryObject.transform.childCount; ++j)
{
//Parent the child gameobject (geometry) to the prefab game object.
GameObject geometryChildObject = geometryObject.transform.GetChild(j).gameObject; //Cache a reference to the child gameobject of the geometry.
geometryChildObject.transform.parent = prefabGameObject.transform;
geometryChildObject.transform.localPosition = Vector3.zero;
geometryChildObject.name = geometryChildObject.name.Replace("(Clone)", "");
r[j] = geometryChildObject.GetComponent <Renderer>();
}
//Destroy the empty parent container which was holding the meshes.
DestroyImmediate(geometryObject);
}
else if (prefabData.isAlembic) //if the instantiated mesh is an alembic asset.
{
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
r = geometryObject.GetComponentsInChildren <Renderer>();
}
else //if the instantiated mesh does not have any children
{
r = new Renderer[1];
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
r[0] = geometryObject.GetComponent <Renderer>();
}
foreach (Renderer ren in r)
{
ren.material = prefabData.finalMat;
//Apply highpoly material if the mesh was highpoly and highpoly filter is enabled.
if (loadedGeometry.name.ToLower().Contains("highpoly") && prefabData.highpoly)
{
ren.material = prefabData.highpolyMat;
#if UNITY_EDITOR_OSX
ren.material = prefabData.finalMat;
#endif
}
//Billboard material application
if (prefabData.hasBillboardLOD && x == (numberOfFiles - 1))
{
ren.material = prefabData.billboardMat;
}
//Apply collision
if (prefabData.setupCollision)
{
ren.gameObject.AddComponent <MeshCollider>().sharedMesh = ren.gameObject.GetComponent <MeshFilter>().sharedMesh;
}
}
if (prefabData.setupLODs)
{
lodsForPrefab.Add(new LOD(lodHeights[0], r));
lodHeights.RemoveAt(0);
}
else
{
break;
}
}
//Set LODs in the LOD group
if (prefabData.setupLODs)
{
prefabGameObject.GetComponent <LODGroup>().SetLODs(lodsForPrefab.ToArray());
prefabGameObject.GetComponent <LODGroup>().RecalculateBounds();
}
//Prefab saving
string prefLocation = prefabPath + "/" + prefabName + ".prefab";
prefLocation = prefLocation.Replace("(Clone)", "");
GameObject prefabObject = SavePrefab(prefabGameObject, prefLocation, prefabData.addAssetToScene);
if (prefabObject)
{
prefabObjects.Add(prefabObject);
}
}
//Setting up variation holder gameobject
GameObject plantsParent = new GameObject(prefabData.assetName);
plantsParent.isStatic = true;
foreach (GameObject variation in prefabObjects)
{
variation.transform.parent = plantsParent.transform;
}
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::3D Plant Prefab:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// Import meshes, start from highest LOD and import the chain.
/// </summary>
public static void ProcessMeshes(JObject assetJson, string assetFolderPath, bool highpoly, bool hasVariations, PrefabData prefabData)
{
try
{
bool createPrefabs = EditorPrefs.GetBool("QuixelDefaultSetupPrefabs", true);
bool importLODs = EditorPrefs.GetBool("QuixelDefaultImportLODs", true);
bool setupLODs = EditorPrefs.GetBool("QuixelDefaultSetupLOD", true);
prefabData.setupLODs = (importLODs && setupLODs); //Only do LOD setup if lower lods were imported and LOD grouping is enabled.
//get mesh components from the current object. Also, meshComps.Count can give us the number of variations ;)
JArray meshComps = (JArray)assetJson["meshList"];
JArray lodList = (JArray)assetJson["lodList"];
string activeLOD = (string)assetJson["activeLOD"];
string minLOD = (string)assetJson["minLOD"];
string modelsFolderPath = MegascansUtilities.ValidateFolderCreate(assetFolderPath, "Models");
if (hasVariations)
{
List <List <string> > importedGeometryPaths3DPlant = new List <List <string> >();
for (int i = 1; i <= meshComps.Count; i++)
{
List <string> importedGeometryPaths = new List <string>();
bool lodMatched = false; // This flag helps to import the lower lods once the active lod is found.
foreach (JObject mesh in lodList)
{
if ((int)mesh["variation"] == i)
{
string currentLOD = (string)mesh["lod"];
if (lodMatched || currentLOD == activeLOD || highpoly)
{
lodMatched = true;
if ((currentLOD == "high") && !highpoly)
{
continue;
}
//get the path of the highest LOD to be imported.
string sourcePath = (string)mesh["path"];
string destPath = Path.Combine(modelsFolderPath, (string)mesh["nameOverride"]);
ImportMesh(sourcePath, destPath);
importedGeometryPaths.Add(destPath);
if (!importLODs)
{
break;
}
}
}
}
importedGeometryPaths3DPlant.Add(importedGeometryPaths);
}
prefabData.importedGeometryPaths3DPlant = importedGeometryPaths3DPlant;
if (createPrefabs)
{
CreatePrefab3DPlant(prefabData);
}
}
else
{
List <string> importedGeometryPaths3D = new List <string>();
bool lodMatched = false; // This flag helps to import the lower lods once the active lod is found.
foreach (JObject mesh in lodList)
{
string currentLOD = (string)mesh["lod"];
if (lodMatched || (currentLOD == activeLOD) || highpoly)
{
lodMatched = true;
if ((currentLOD == "high") && !highpoly)
{
continue;
}
//get the path of the highest LOD to be imported.
string sourcePath = (string)mesh["path"];
string destPath = Path.Combine(modelsFolderPath, (string)mesh["nameOverride"]);
ImportMesh(sourcePath, destPath);
importedGeometryPaths3D.Add(destPath);
if (!importLODs)
{
break;
}
}
}
prefabData.importedGeometryPaths3D = importedGeometryPaths3D;
if (createPrefabs)
{
if (MegascansUtilities.isScatterAsset(assetJson, importedGeometryPaths3D))
{
CreatePrefabsScatter(prefabData);
}
else
{
CreatePrefab3D(prefabData);
}
}
}
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::Processing Meshes:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// Generates prefabs from imported meshes.
/// Used for normal 3D assets
/// </summary>
public static void CreatePrefab3D(PrefabData prefabData)
{
try {
string prefabPath = MegascansUtilities.ValidateFolderCreate(prefabData.assetPath, "Prefabs");
string prefabName = prefabData.modelNamingConvention;
//Setting up prefab gameobject
GameObject prefabGameObject = new GameObject();
prefabGameObject.name = prefabName;
prefabGameObject.isStatic = true;
if (prefabData.setupLODs)
{
prefabGameObject.AddComponent <LODGroup>();
prefabGameObject.GetComponent <LODGroup>().fadeMode = (LODFadeMode)prefabData.lodFadeMode; //Casting lod fade mode to enum.
prefabGameObject.GetComponent <LODGroup>().animateCrossFading = true;
}
List <LOD> lodsForPrefab = new List <LOD>();
int numberOfFiles = prefabData.importedGeometryPaths3D.Count;
List <float> lodHeights = MegascansUtilities.getLODHeightList(numberOfFiles);
//Instantiate all the meshes in the scene, add them to the material/collider to them.
for (int x = 0; (x < numberOfFiles && x < 8); x++)
{
UnityEngine.Object loadedGeometry = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(prefabData.importedGeometryPaths3D[x]);
//Highpoly mesh check.
if (loadedGeometry.name.ToLower().Contains("highpoly") && !prefabData.highpoly)
{
continue;
}
GameObject geometryObject = Instantiate(loadedGeometry) as GameObject;
Renderer[] r;
//Parent all the objects to the prefab game object.
if (geometryObject.transform.childCount > 0 && !prefabData.isAlembic)
{
r = new Renderer[geometryObject.transform.childCount];
for (int j = 0; j < geometryObject.transform.childCount; ++j)
{
//Parent the child gameobject (geometry) to the prefab game object.
GameObject geometryChildObject = geometryObject.transform.GetChild(j).gameObject; //Cache a reference to the child gameobject of the geometry.
geometryChildObject.transform.parent = prefabGameObject.transform;
geometryChildObject.transform.localPosition = Vector3.zero;
geometryChildObject.name = geometryChildObject.name.Replace("(Clone)", "");
r[j] = geometryChildObject.GetComponentInChildren <Renderer>();
}
//Destroy the empty parent container which was holding the meshes.
DestroyImmediate(geometryObject);
}
else if (prefabData.isAlembic) //if the instantiated mesh is an alembic asset.
{
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
r = geometryObject.GetComponentsInChildren <Renderer>();
}
else //if the instantiated mesh does not have any children
{
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
r = geometryObject.GetComponentsInChildren <Renderer>();
}
foreach (Renderer ren in r)
{
ren.material = prefabData.finalMat;
//Apply collision
if (prefabData.setupCollision)
{
ren.gameObject.AddComponent <MeshCollider>().sharedMesh = ren.gameObject.GetComponent <MeshFilter>().sharedMesh;
}
}
if (prefabData.setupLODs)
{
lodsForPrefab.Add(new LOD(lodHeights[0], r));
lodHeights.RemoveAt(0);
}
else //We only set the prefab with 1 LOD if setup LODs is unchecked.
{
break;
}
}
//Set LODs in the LOD group
if (prefabData.setupLODs)
{
prefabGameObject.GetComponent <LODGroup>().SetLODs(lodsForPrefab.ToArray());
prefabGameObject.GetComponent <LODGroup>().RecalculateBounds();
}
//Prefab saving
string prefLocation = prefabPath + "/" + prefabName + ".prefab";
prefLocation = prefLocation.Replace("(Clone)", "");
SavePrefab(prefabGameObject, prefLocation, prefabData.addAssetToScene);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::3D Asset Prefab:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
/// <summary>
/// Creates materials needed for the asset.
/// </summary>
/// <returns></returns>
Material CreateMaterial()
{
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Creating material...");
if ((shaderType == 0 || shaderType == 1) && isAlembic)
{
Debug.Log("Alembic files are not supported in LWRP/HDRP. Please change your export file format in Bridge or change your SRP in Unity.");
return(null);
}
try {
string rp = matPath + ".mat";
Material mat = (Material)AssetDatabase.LoadAssetAtPath(rp, typeof(Material));
if (!mat)
{
mat = new Material(Shader.Find("Standard"));
AssetDatabase.CreateAsset(mat, rp);
AssetDatabase.Refresh();
if (shaderType < 1)
{
mat.shader = Shader.Find("HDRenderPipeline/Lit");
#if UNITY_2018_3 || UNITY_2019
mat.shader = Shader.Find("HDRP/Lit");
#endif
mat.SetInt("_DisplacementMode", dispType);
}
if (shaderType > 0)
{
if (MegascansUtilities.isLegacy())
{
mat.shader = Shader.Find("LightweightPipeline/Standard (Physically Based)");
}
else
{
mat.shader = Shader.Find("Lightweight Render Pipeline/Lit");
}
}
if (shaderType > 1)
{
if (isAlembic)
{
mat.shader = Shader.Find("Alembic/Standard");
if (texPack > 0)
{
mat.shader = Shader.Find("Alembic/Standard (Specular setup)");
}
}
else
{
mat.shader = Shader.Find("Standard");
if (texPack > 0)
{
mat.shader = Shader.Find("Standard (Specular setup)");
}
}
}
}
return(mat);
} catch (Exception ex) {
Debug.Log("Exception: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
/// <summary>
/// Previous version of the importer would loop through a list of texture paths, and use a bunch of if-statements and do things accordingly.
/// This version just takes in every texture path and if it's not null, does the thing. Less looping, better overall performance.
/// </summary>
/// <param name="albedo"></param>
/// <param name="opacity"></param>
/// <param name="normals"></param>
/// <param name="metallic"></param>
/// <param name="specular"></param>
/// <param name="AO"></param>
/// <param name="gloss"></param>
/// <param name="displacement"></param>
/// <param name="roughness"></param>
/// <param name="translucency"></param>
Material ReadWriteAllTextures(string albedo, string opacity, string normals, string metallic, string specular, string AO, string gloss, string displacement, string roughness, string translucency)
{
try {
Material mat = CreateMaterial();
if (mat == null)
{
return(null);
}
//create a new work thread for each texture to be processed.
//Pack the opacity into the alpha channel of albedo if it exists.
string texMapName = (string)mapNames["Albedo"];
tempTexName = texPath.Contains("$mapName")? texPath.Replace("$mapName", texMapName): texPath + texMapName;
string p = tempTexName + ".png";
mapName = opacity != null ? "Albedo + Alpha" : "Albedo";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
Texture2D tex = MegascansImageUtils.PackTextures(albedo, opacity, p);
mat.SetTexture("_MainTex", tex);
mat.SetTexture("_BaseColorMap", tex);
if (shaderType == 1)
{
mat.SetTexture("_BaseMap", tex);
mat.SetColor("_BaseColor", Color.white);
}
if (opacity != null)
{
if (shaderType > 0)
{
mat.SetFloat("_AlphaClip", 1);
mat.SetFloat("_Mode", 1);
mat.SetFloat("_Cull", 1);
mat.EnableKeyword("_ALPHATEST_ON");
}
else
{
mat.SetInt("_AlphaCutoffEnable", 1);
mat.SetFloat("_AlphaCutoff", 0.333f);
mat.SetInt("_DoubleSidedEnable", 1);
mat.SetOverrideTag("RenderType", "TransparentCutout");
mat.SetInt("_ZTestGBuffer", (int)UnityEngine.Rendering.CompareFunction.Equal);
mat.SetInt("_CullMode", (int)UnityEngine.Rendering.CullMode.Off);
mat.SetInt("_CullModeForward", (int)UnityEngine.Rendering.CullMode.Back);
mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
mat.SetInt("_ZWrite", 1);
mat.renderQueue = 2450;
mat.SetInt("_ZTestGBuffer", (int)UnityEngine.Rendering.CompareFunction.Equal);
mat.EnableKeyword("_ALPHATEST_ON");
mat.EnableKeyword("_DOUBLESIDED_ON");
mat.DisableKeyword("_BLENDMODE_ALPHA");
mat.DisableKeyword("_SURFACE_TYPE_TRANSPARENT");
}
}
//test to see if gloss is absent but roughness is present...
bool useRoughness = (gloss == null && roughness != null);
if (texPack < 1 || shaderType < 1)
{
mapName = "Masks";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", "Masks"): texPath + "Masks";
p = tempTexName + ".png";
mat.SetFloat("_Metallic", 1.0f);
tex = MegascansImageUtils.PackTextures(metallic, AO, displacement, useRoughness ? roughness : gloss, p, useRoughness);
mat.SetTexture("_MaskMap", tex);
mat.EnableKeyword("_MASKMAP");
mat.SetFloat("_MaterialID", 1);
mat.SetTexture("_MetallicGlossMap", tex);
mat.EnableKeyword("_METALLICSPECGLOSSMAP");
mat.EnableKeyword("_METALLICGLOSSMAP");
}
//do we need to process a specular map?
if (texPack > 0 && specular != null)
{
texMapName = (string)mapNames["Specular"];
mapName = "Specular + Gloss";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
tex = MegascansImageUtils.PackTextures(specular, useRoughness ? roughness : gloss, p, useRoughness);
mat.SetTexture("_SpecGlossMap", tex);
mat.SetColor("_SpecColor", new UnityEngine.Color(1.0f, 1.0f, 1.0f));
mat.SetColor("_SpecularColor", new UnityEngine.Color(1.0f, 1.0f, 1.0f));
mat.SetFloat("_WorkflowMode", 0);
mat.SetFloat("_MaterialID", 4);
mat.SetTexture("_SpecularColorMap", tex);
mat.EnableKeyword("_METALLICSPECGLOSSMAP");
mat.EnableKeyword("_SPECGLOSSMAP");
mat.EnableKeyword("_SPECULAR_SETUP");
mat.EnableKeyword("_SPECULARCOLORMAP");
mat.EnableKeyword("_MATERIAL_FEATURE_SPECULAR_COLOR");
}
//handle any textures which can just be converted in place.
if (normals != null)
{
texMapName = (string)mapNames["Normal"];
mapName = "Normals";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
MegascansImageUtils.CreateTexture(normals, p);
tex = MegascansImageUtils.TextureImportSetup(p, true, false);
mat.SetTexture("_BumpMap", tex);
mat.SetTexture("_NormalMap", tex);
mat.EnableKeyword("_NORMALMAP_TANGENT_SPACE");
mat.EnableKeyword("_NORMALMAP");
mapName = "Normals_Terrain";
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName + "_Terrain"): texPath + texMapName + "_Terrain";
p = tempTexName + ".png";
if (generateTerrainNormal && type.ToLower().Contains("surface"))
{
MegascansImageUtils.ImportTerrainNormal(normals, p);
}
}
if (displacement != null && dispType > 0)
{
texMapName = (string)mapNames["Displacement"];
mapName = "Displacement";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
MegascansImageUtils.CreateTexture(displacement, p);
tex = MegascansImageUtils.TextureImportSetup(p, false, false);
mat.SetTexture("_HeightMap", tex);
mat.SetTexture("_ParallaxMap", tex);
mat.EnableKeyword("_DISPLACEMENT_LOCK_TILING_SCALE");
if (dispType == 1)
{
mat.EnableKeyword("_VERTEX_DISPLACEMENT");
mat.EnableKeyword("_VERTEX_DISPLACEMENT_LOCK_OBJECT_SCALE");
}
if (dispType == 2)
{
mat.EnableKeyword("_PIXEL_DISPLACEMENT");
mat.EnableKeyword("_PIXEL_DISPLACEMENT_LOCK_OBJECT_SCALE");
}
}
//occlusion may or may not need to be packed, depending on the shader used.
if (shaderType > 1 && AO != null)
{
texMapName = (string)mapNames["AO"];
mapName = "AO";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
MegascansImageUtils.CreateTexture(AO, p);
tex = MegascansImageUtils.TextureImportSetup(p, false, false);
mat.SetTexture("_OcclusionMap", tex);
mat.EnableKeyword("_OCCLUSIONMAP");
}
if (translucency != null)
{
texMapName = (string)mapNames["Translucency"];
mapName = "Translucency";
MegascansUtilities.UpdateProgressBar(1.0f, "Processing Asset " + assetName, "Importing texture: " + mapName);
tempTexName = texPath.Contains("$mapName") ? texPath.Replace("$mapName", texMapName): texPath + texMapName;
p = tempTexName + ".png";
tex = MegascansImageUtils.PackTextures(translucency, translucency, translucency, null, p);
mat.SetInt("_MaterialID", 0);
mat.SetInt("_DiffusionProfile", 1);
mat.SetFloat("_EnableSubsurfaceScattering", 1);
mat.SetTexture("_SubsurfaceMaskMap", tex);
mat.SetTexture("_ThicknessMap", tex);
if (plant)
{
mat.SetInt("_DiffusionProfile", 2);
mat.SetFloat("_CoatMask", 0.0f);
mat.SetInt("_EnableWind", 1);
mat.EnableKeyword("_VERTEX_WIND");
}
mat.EnableKeyword("_SUBSURFACE_MASK_MAP");
mat.EnableKeyword("_THICKNESSMAP");
mat.EnableKeyword("_MATERIAL_FEATURE_TRANSMISSION");
}
return(mat);
} catch (Exception ex) {
Debug.Log("Exception: " + ex.ToString());
MegascansUtilities.HideProgressBar();
return(null);
}
}
/// <summary>
/// Takes an imported JSON object, and breaks it into relevant components and data.
/// Then calls relevant functions for actual import of asset.
/// </summary>
/// <param name="objectList"></param>
public string ImportMegascansAssets(JObject objectList)
{
var startTime = System.DateTime.Now;
activeLOD = (string)objectList["activeLOD"];
string minLOD = (string)objectList["minLOD"];
assetName = (string)objectList["name"];
type = (string)objectList["type"];
isAlembic = false;
plant = false;
highPoly = false;
hasBillboardLOD = false;
hasBillboardLODOnly = false;
mapName = "";
folderNamingConvention = (string)objectList["folderNamingConvention"];
//get mesh components from the current object.
JArray meshComps = (JArray)objectList["meshList"];
//run a check to see if we're using Unity 5 or below, and then if we're trying to import a high poly mesh. if so, let the user know we are aborting the import.
if (meshComps.Count > 0)
{
isAlembic = Path.GetExtension((string)meshComps[0]["path"]) == ".abc";
}
hasBillboardLOD = MegascansMeshUtils.ContainsLowestLOD((JArray)objectList["lodList"], minLOD, activeLOD);
if (type.ToLower().Contains("3dplant"))
{
plant = true;
if (minLOD == activeLOD)
{
hasBillboardLODOnly = true;
}
}
try {
LoadPreferences();
shaderType = MegascansUtilities.GetShaderType();
MegascansUtilities.CalculateNumberOfOperations(objectList, dispType, texPack, shaderType, hasBillboardLODOnly);
path = ConstructPath(objectList);
if (path == null || path == "")
{
Debug.Log("Asset: " + (string)objectList["name"] + " already exist in the Project. Please delete/rename the existing folder and re-import this asset.");
AssetDatabase.Refresh();
return(null);
}
} catch (Exception ex) {
Debug.Log("Error setting import path.");
Debug.Log(ex.ToString());
MegascansUtilities.HideProgressBar();
}
try {
//process textures
ProcessTextures(objectList);
if (finalMat == null && !(plant && hasBillboardLODOnly))
{
Debug.Log("Could not import the textures and create the material.");
return(null);
}
else
{
if (type.ToLower().Contains("surface") && applyToSelection)
{
foreach (MeshRenderer render in MegascansUtilities.GetSelectedMeshRenderers())
{
render.material = finalMat;
}
}
}
} catch (Exception ex) {
Debug.Log("Error importing textures.");
Debug.Log(ex.ToString());
MegascansUtilities.HideProgressBar();
}
//process meshes
if (meshComps == null && !type.Contains("surface"))
{
Debug.LogError("No meshes found. Please double check your export settings.");
Debug.Log("Import failed.");
return(null);
}
if (meshComps.Count > 0)
{
if (activeLOD == "high")
{
//detect if we're trying to import a high poly mesh...
string msg = "You are about to import a high poly mesh. \nThese meshes are usually millions of polygons and can cause instability to your project. \nWould you like to proceed?";
highPoly = EditorUtility.DisplayDialog("WARNING!", msg, "Yes", "No");
}
try {
//process meshes and prefabs
PrefabData prefData = new PrefabData(path, assetName, folderNamingConvention, lodFadeMode, highPoly, addAssetToScene, setupCollision, hasBillboardLOD, isAlembic, false, false, finalMat, billboardMat, new List <string>(), new List <List <string> >());
MegascansMeshUtils.ProcessMeshes(objectList, path, highPoly, plant, prefData);
} catch (Exception ex) {
Debug.Log("Error importing meshes.");
Debug.Log(ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
var endTime = System.DateTime.Now;
var totalTime = endTime - startTime;
Debug.Log("Asset Import Time: " + totalTime);
AssetDatabase.Refresh();
MegascansUtilities.HideProgressBar();
Resources.UnloadUnusedAssets();
GC.Collect();
return(path);
}
/// <summary>
/// Generates prefabs from imported meshes.
/// Used for normal 3D assets
/// </summary>
public static void CreatePrefab3D(PrefabData prefabData)
{
try {
string prefabPath = MegascansUtilities.ValidateFolderCreate(prefabData.assetPath, "Prefabs");
string prefabName = prefabData.finalAssetName.Replace("$mapName", "").Replace("$resolution", "").Replace("$lod", "").Replace("$variation", "");
//Setting up prefab gameobject
GameObject prefabGameObject = new GameObject();
prefabGameObject.name = prefabName;
prefabGameObject.AddComponent <LODGroup>();
prefabGameObject.GetComponent <LODGroup>().fadeMode = (LODFadeMode)prefabData.lodFadeMode; //Casting lod fade mode to enum.
prefabGameObject.GetComponent <LODGroup>().animateCrossFading = true;
prefabGameObject.isStatic = true;
float lodHeight = 1.0f;
List <LOD> lodsForPrefab = new List <LOD>();
int numberOfFiles = prefabData.importedGeometryPaths3D.Count;
//Instantiate all the meshes in the scene, add them to the material/collider to them.
for (int x = 0; x < numberOfFiles; x++)
{
UnityEngine.Object loadedGeometry = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(prefabData.importedGeometryPaths3D[x]);
//Highpoly mesh check.
if (loadedGeometry.name.ToLower().Contains("highpoly") && !prefabData.highpoly)
{
continue;
}
GameObject geometryObject = Instantiate(loadedGeometry) as GameObject;
Renderer[] r;
//Parent all the objects to the prefab game object.
if (geometryObject.transform.childCount > 0 && !prefabData.isAlembic)
{
r = new Renderer[geometryObject.transform.childCount];
for (int j = 0; j < geometryObject.transform.childCount; ++j)
{
//Parent the child gameobject (geometry) to the prefab game object.
GameObject geometryChildObject = geometryObject.transform.GetChild(j).gameObject; //Cache a reference to the child gameobject of the geometry.
geometryChildObject.transform.parent = prefabGameObject.transform;
geometryChildObject.transform.localPosition = Vector3.zero;
geometryChildObject.name = geometryChildObject.name.Replace("(Clone)", "");
//Get reference to the renderer components to apply material later.
r[j] = geometryChildObject.GetComponentInChildren <Renderer>();
}
//Destroy the empty parent container which was holding the meshes.
DestroyImmediate(geometryObject);
}
else if (prefabData.isAlembic) //if the instantiated mesh is an alembic asset.
{
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
//Get reference to the renderer components to apply material later.
r = geometryObject.GetComponentsInChildren <Renderer>();
}
else //if the instantiated mesh does not have any children
{
//Parent the child gameobject (geometry) to the prefab game object.
geometryObject.transform.parent = prefabGameObject.transform;
geometryObject.transform.localPosition = Vector3.zero;
geometryObject.name = geometryObject.name.Replace("(Clone)", "");
//Get reference to the renderer component to apply material later.
r = geometryObject.GetComponentsInChildren <Renderer>();
}
foreach (Renderer ren in r)
{
ren.material = prefabData.finalMat;
//Apply highpoly material if the mesh was highpoly and highpoly filter is enabled.
if (loadedGeometry.name.ToLower().Contains("highpoly") && prefabData.highpoly)
{
ren.material = prefabData.highpolyMat;
#if UNITY_EDITOR_OSX
ren.material = prefabData.finalMat;
#endif
}
//Apply collision
if (prefabData.setupCollision)
{
ren.gameObject.AddComponent <MeshCollider>().sharedMesh = ren.gameObject.GetComponent <MeshFilter>().sharedMesh;
}
}
if (numberOfFiles > 2)
{
lodHeight *= ((x + 1) >= (numberOfFiles / 2)) ? 0.75f : 0.5f;
}
else
{
lodHeight *= (x + 1) < 1 ? 0.75f : 0.15f;
}
lodsForPrefab.Add(new LOD(lodHeight, r));
}
//Set LODs in the LOD group
prefabGameObject.GetComponent <LODGroup>().SetLODs(lodsForPrefab.ToArray());
prefabGameObject.GetComponent <LODGroup>().RecalculateBounds();
//Prefab saving
string prefLocation = prefabPath + "/" + prefabName + ".prefab";
prefLocation = prefLocation.Replace("(Clone)", "");
SavePrefab(prefabGameObject, prefLocation, prefabData.addAssetToScene);
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansMeshUtils::3D Asset Prefab:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}