public void SaveImport()
{
objectManager.currentImport.GO.transform.rotation = Quaternion.identity;
objectManager.currentImport.GO.transform.position = Vector3.zero;
objectManager.currentImport.GO.transform.localScale = Vector3.one;
objectManager.currentImport.GO.name = nameInput.text;
string savePath = Application.streamingAssetsPath + "/models/" + categoryList.options[categoryList.value].text + "/" + nameInput.text; //Create a folder with the name of the mesh under the selected category directory.
//If a directory with the same name already exists add a unique number on the end.
if (Directory.Exists(savePath))
{
UnityEngine.Random.InitState(UnityEngine.Random.Range(0, 1000));
savePath = savePath + (UnityEngine.Random.Range(0, 10000));
}
Directory.CreateDirectory(savePath);
//importer.ExportOBJ(objectManager.currentImport.scene, savePath);
KB_ImportExport.ExportOBJ(objectManager.currentImport.GO, savePath);
SaveThumbnail(savePath);
categoryManager.modelsCount++;
ImportNext();
}
/// <summary>
/// Unwraps the mesh to a texture filling all uv islands white and dilating the edges to remove seam lines.
/// </summary>
/// <returns></returns>
public Texture2D Unwrap()
{
//Unwrap mesh:
Texture2D unwrapTex = new Texture2D(workingResolution, workingResolution, TextureFormat.ARGB32, false);
unwrapTex.filterMode = FilterMode.Point;
RenderTexture src = RenderTexture.GetTemporary(workingResolution, workingResolution, 0, RenderTextureFormat.ARGB32);
src.filterMode = FilterMode.Point;
Graphics.SetRenderTarget(src);
GL.Clear(true, true, Color.black);
GL.PushMatrix();
GL.LoadOrtho();
unwrap.SetPass(0);
Graphics.DrawMeshNow(selectedParts[0].filter.sharedMesh, Matrix4x4.identity);
Graphics.SetRenderTarget(null);
//dest is the destination texture we blit a material to to fill in the little black gap between uv seams of the unwrapped texture (rt).
//To "blit" shadergraph materials we have to use a custom render texture.
/* CustomRenderTexture dest = new CustomRenderTexture(workingResolution, workingResolution, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear);
* dest.updateMode = CustomRenderTextureUpdateMode.OnDemand;
* dest.material = dilate;
* dest.initializationSource = CustomRenderTextureInitializationSource.Material;
* dest.initializationMaterial = dilate;
* dest.doubleBuffered = true;
* dilate.SetTexture("_MainTex", rt);
* dest.Initialize();*/
//If you are not using a shader graph shader to dilate the edges of uv islands these 3 lines will work:
RenderTexture dest = RenderTexture.GetTemporary(workingResolution, workingResolution, 0, RenderTextureFormat.ARGB32);
dilate.SetTexture("_MainTex", src);
Graphics.Blit(src, dest, dilate);
//TextureExporter.SaveRenderTexture(dest, "test2", TextureExporter.SaveTextureFormat.jpg, Application.streamingAssetsPath);//Test output.
unwrapTex = KB_ImportExport.ToTexture2D(dest);
RenderTexture.ReleaseTemporary(src);
RenderTexture.ReleaseTemporary(dest);
GL.PopMatrix();
return(unwrapTex);
}
