private void GetMaterialsAndLayers()
{
List <UnifyMaterial> matList = new List <UnifyMaterial>();
List <UnifyLayer> unifyLayers = new List <UnifyLayer>();
this.NestingLevel = 0;
// get all materials by layers
foreach (Layer layer in doc.Layers)
{
// process Layer info
UnifyLayer ul = new UnifyLayer();
ul.ObjType = "Layer";
ul.Guid = layer.Id;
ul.Name = layer.FullPath.Replace(":", "_");
ul.MeshCollider = false;
ul.Parent = layer.ParentLayerId;
ul.Level = layer.FullPath.Split(new string[] { "::" }, StringSplitOptions.None).Count();
ul.ShortName = layer.Name;
if (ul.Level > this.NestingLevel)
{
this.NestingLevel = ul.Level;
}
unifyLayers.Add(ul);
// process material info
int renderMatIndex = layer.RenderMaterialIndex;
Material rhinoMat = doc.Materials[renderMatIndex];
UnifyMaterial mat = new UnifyMaterial();
mat.ObjType = "MaterialObject";
mat.Guid = rhinoMat.Id;
mat.Name = rhinoMat.Name;
mat.Diffuse = Utility.ColorToString(rhinoMat.DiffuseColor);
mat.SpecularColor = Utility.ColorToString(rhinoMat.SpecularColor);
mat.EmissionColor = Utility.ColorToString(rhinoMat.EmissionColor);
mat.ReflectionColor = Utility.ColorToString(rhinoMat.ReflectionColor);
mat.Metallic = rhinoMat.Shine;
if (rhinoMat.GetBitmapTexture() != null)
{
mat.DiffuseTexture = rhinoMat.GetBitmapTexture().FileName;
}
if (rhinoMat.GetTransparencyTexture() != null)
{
mat.TransparencyTexture = rhinoMat.GetTransparencyTexture().FileName;
}
if (rhinoMat.GetEnvironmentTexture() != null)
{
mat.EnvironmentTexture = rhinoMat.GetEnvironmentTexture().FileName;
}
if (rhinoMat.GetBumpTexture() != null)
{
mat.BumpTexture = rhinoMat.GetBumpTexture().FileName;
}
mat.Transparency = rhinoMat.Transparency;
mat.UniqueName = layer.FullPath.Replace("::", "__");
matList.Add(mat);
}
this.Materials = matList;
this.Layers = unifyLayers;
}
private static Material OverrideMaterial(Material m, UnifyMaterial obj, MeshRenderer renderer)
{
renderer.material = m;
// set main color
// set transparency
if (obj.Transparency != 0)
{
Color newColor = Utilities.ConvertToUnityColor(obj.Diffuse, obj.Transparency);
renderer.sharedMaterial.SetFloat("_Mode", 3);
renderer.sharedMaterial.SetColor("_Color", newColor);
}
else
{
Color newColor = Utilities.ConvertToUnityColor(obj.Diffuse);
renderer.sharedMaterial.SetColor("_Color", newColor);
}
// set main texture
if (obj.DiffuseTexture != null)
{
// load texture from assets
string textureName = System.IO.Path.GetFileName(obj.DiffuseTexture);
string texturePath = "Assets/Resources/" + textureName;
Texture2D texture = (Texture2D)AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture2D));
renderer.sharedMaterial.mainTexture = texture;
}
//set bump map
if (obj.BumpTexture != null)
{
// load texture from assets
string textureName = System.IO.Path.GetFileName(obj.BumpTexture);
string texturePath = "Assets/Resources/" + textureName;
Texture2D bumpTexture = (Texture2D)AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture2D));
// re-import with readable flag set to true
string p = AssetDatabase.GetAssetPath(bumpTexture);
TextureImporter ti = (TextureImporter)TextureImporter.GetAtPath(p);
ti.isReadable = true;
AssetDatabase.ImportAsset(p);
// convert texture to normal map and save to assets
Texture2D normalBump = Utilities.CreateNormalMap(bumpTexture, 1.0f);
string sysTexturePath = Application.dataPath + "/Resources/" + textureName.Remove(textureName.IndexOf(".")) + "_normal.png";
File.WriteAllBytes(sysTexturePath, normalBump.EncodeToPNG());
AssetDatabase.Refresh();
// re-import normal texture with normalmap flag set to true
string relativeTexturePath = "Assets/Resources/" + textureName.Remove(textureName.IndexOf(".")) + "_normal.png";
Texture2D newBumpTexture = (Texture2D)AssetDatabase.LoadAssetAtPath(relativeTexturePath, typeof(Texture2D));
string p2 = AssetDatabase.GetAssetPath(newBumpTexture);
TextureImporter ti2 = (TextureImporter)TextureImporter.GetAtPath(p2);
ti2.normalmap = true;
AssetDatabase.ImportAsset(p2);
// assign normal map to material
renderer.sharedMaterial.SetTexture("_BumpMap", newBumpTexture);
// set bump scale
renderer.sharedMaterial.SetFloat("_BumpScale", 0.3f);
}
// set metallic
renderer.sharedMaterial.SetFloat("_Metallic", Utilities.ConvertRange(0, 255, 0, 1, Convert.ToSingle(obj.Metallic)));
// set emission color
Color emissionColor = Utilities.ConvertToUnityColor(obj.EmissionColor);
renderer.sharedMaterial.SetColor("_EmissionColor", emissionColor);
return(renderer.sharedMaterial);
}