/// <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);
}
/// <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>
/// 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>
/// 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();
}
}
