Exemple #1
0
        public static bool Export(string folder, string filename, Mesh mesh, ExportMaterial[] textures, bool copyTextures)
        {
		
            exportMesh = mesh;
            exportTextures = textures;
            targetFolder = folder;
            targetName = filename;
            _copyTextures = copyTextures;
		
            if(folder.Contains(" "))
            {
                EditorUtility.DisplayDialog("Filename Error","The filename can't contain spaces","I'm sorry");
                return false;
            }
		
            if(filename.Contains(" "))
            {
                EditorUtility.DisplayDialog("Filename Error","The filename can't contain spaces","I'm sorry");
                return false;
            }
		
            /*if (!CreateTargetFolder())
		{
			Debug.LogError("There was a problem with the destination folder");
    		return false;
		}*/
		
            MeshToFile(targetFolder, targetName);
		
            exportMesh = null;
            exportTextures = null;
		
            return  true;
        }
Exemple #2
0
        private static string MeshToString(Dictionary <string, ExportMaterial> materialList)
        {
            StringBuilder sb = new StringBuilder();

            sb.AppendLine("# Unity Asset Buildr OBJ Exporter\n http://buildr.jasperstocker.com");

            sb.Append("g ").Append(targetName).Append("\n");
            foreach (Vector3 lv in exportMesh.vertices)
            {
                Vector3 wv = lv;

                //This is sort of ugly - inverting x-component since we're in
                //a different coordinate system than "everyone" is "used to".
                sb.Append(string.Format("v {0} {1} {2}\n", -wv.x, wv.y, wv.z));
            }
            sb.Append("\n");

            foreach (Vector3 lv in exportMesh.normals)
            {
                Vector3 wv = lv;

                sb.Append(string.Format("vn {0} {1} {2}\n", -wv.x, wv.y, wv.z));
            }
            sb.Append("\n");

            foreach (Vector3 v in exportMesh.uv)
            {
                sb.Append(string.Format("vt {0} {1}\n", v.x, v.y));
            }

            for (int t = 0; t < exportMesh.subMeshCount; t++)
            {
                sb.Append("\n");
                if (t < exportTextures.Length - 1)
                {
                    sb.Append("g ").Append(exportTextures[t].name).Append("\n");
                    sb.Append("usemtl ").Append(exportTextures[t].name).Append("\n");
                    sb.Append("usemap ").Append(exportTextures[t].name).Append("\n");
                }
                else
                {
                    sb.Append("g ").Append(exportTextures[exportTextures.Length - 1].name).Append("\n");
                    sb.Append("usemtl ").Append(exportTextures[exportTextures.Length - 1].name).Append("\n");
                    sb.Append("usemap ").Append(exportTextures[exportTextures.Length - 1].name).Append("\n");
                }

                //See if this material is already in the materiallist.
                try
                {
                    ExportMaterial objMaterial = exportTextures[t];
                    materialList.Add(objMaterial.name, objMaterial);
                }
                catch (ArgumentException)
                {
                    //Already in the dictionary
                    //Debug.LogError("Already in the dictionary");
                }


                int[] triangles = exportMesh.GetTriangles(t);
                for (int i = 0; i < triangles.Length; i += 3)
                {
                    //Because we inverted the x-component, we also needed to alter the triangle winding.
                    sb.Append(string.Format("f {1}/{1}/{1} {0}/{0}/{0} {2}/{2}/{2}\n",
                                            triangles[i] + 1 + vertexOffset, triangles[i + 1] + 1 + normalOffset, triangles[i + 2] + 1 + uvOffset));
                }
            }

            vertexOffset += exportMesh.vertices.Length;
            normalOffset += exportMesh.normals.Length;
            uvOffset     += exportMesh.uv.Length;

            return(sb.ToString());
        }