private void ProcessLine(string line, string folderPath)
{
string[] parts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length > 0)
{
switch (parts[0])
{
case "mtllib":
Material = ProcessMaterial(parts[1], folderPath);
break;
case "v":
Vector3 vertex = ProcessVertex(parts);
Vertices.Add(vertex);
break;
case "vt":
Vector2 texCoord = ProcessTextureCoordinate(parts);
TexCoords.Add(texCoord);
break;
case "vn":
Vector3 normal = ProcessVertex(parts);
Normals.Add(normal);
break;
case "f":
ObjFace face = ProcessFace(parts);
Faces.Add(face);
break;
}
}
}
public void BuildFacesFromData()
{
List <ObjFace> faces = new List <ObjFace>();
for (int i = 0; i < Positions.Count; i += 3)
{
ObjFace face = new ObjFace();
bool hasTexCoords = TexCoords.Count > 0;
bool hasNormal = Normals.Count > 0;
face.Positions = new int[3];
for (int j = 0; j < 3; j++)
{
face.Positions[j] = i + 1;
}
if (hasTexCoords)
{
face.TexCoords = new int[3];
for (int j = 0; j < 3; j++)
{
face.TexCoords[j] = i + 1;
}
}
if (hasNormal)
{
face.Normals = new int[3];
for (int j = 0; j < 3; j++)
{
face.Normals[j] = i + 1;
}
}
}
}
private static Dictionary <string, List <ObjFace> > ReadObjects(BinaryReader b, int num)
{
var d = new Dictionary <string, List <ObjFace> >();
for (var i = 0; i < num; i++)
{
var faces = new List <ObjFace>();
var objectName = b.ReadNtString();
var numFaces = b.ReadInt32();
for (var j = 0; j < numFaces; j++)
{
var face = new ObjFace();
var material = (FaceMaterial)b.ReadByte();
var numVerts = b.ReadInt32();
face.MaterialName = GetMaterialName(material);
for (var k = 0; k < numVerts; k++)
{
var v = b.Read7BitEncodedInt();
var n = b.Read7BitEncodedInt();
var t = b.Read7BitEncodedInt();
face.Vertices.Add(new ObjTriplet(v + 1, t + 1, n + 1));
}
faces.Add(face);
}
d[objectName] = faces;
}
return(d);
}
public void BuildFacesFromData()
{
List<ObjFace> faces = new List<ObjFace>();
for (int i = 0; i < Positions.Count; i += 3)
{
ObjFace face = new ObjFace();
bool hasTexCoords = TexCoords.Count > 0;
bool hasNormal = Normals.Count > 0;
face.Positions = new int[3];
for (int j = 0; j < 3; j++)
face.Positions[j] = i + 1;
if (hasTexCoords)
{
face.TexCoords = new int[3];
for (int j = 0; j < 3; j++)
face.TexCoords[j] = i + 1;
}
if (hasNormal)
{
face.Normals = new int[3];
for (int j = 0; j < 3; j++)
face.Normals[j] = i + 1;
}
}
}
private void GetObjFace(ObjFace face, ObjItem objModel,
ref List <float> vertexPositions, ref List <float> vertexNormals, ref List <float> vertexTextureCoordinates, ref List <float> vertexBoneWeights, ref List <float> vertexBoneIndices, ref List <uint> indeces)
{
if (face.Count == 3)
{
for (var i = 0; i < face.Count; i++)
{
var faceVertex = face[i];
ObjLoader.AppendObjTriangle(objModel, faceVertex, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
}
SetFaceTriangleIndex(face, objModel);
}
else if (face.Count == 4)
{
var faceVertex0 = face[0];
var faceVertex1 = face[1];
var faceVertex2 = face[2];
var faceVertex3 = face[3];
ObjLoader.AppendObjTriangle(objModel, faceVertex0, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex1, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex2, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex2, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex3, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex0, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
SetFaceTriangleIndex(face, objModel);
}
}
private void SaveObj(string directory, string filename, params string[] meshnames)
{
var obj = new ObjFile();
var referenced_materials = new List <PortableMaterial>();
foreach (var name in meshnames)
{
var pmesh = meshes[name];
for (int i = 0; i < pmesh.triangles.Count; i++)
{
var triangle = pmesh.triangles[i];
var face = new ObjFace();
face.ObjectName = name;
foreach (var vertex in triangle.vertices)
{
obj.Vertices.Add(vertex.position);
obj.VertexNormals.Add(vertex.normal);
obj.TextureVertices.Add(vertex.uv);
var index = obj.Vertices.Count;
face.Vertices.Add(new ObjTriplet(index, index, index));
}
face.MaterialName = triangle.material.name;
obj.Faces.Add(face);
referenced_materials.Add(triangle.material);
}
}
var mtl = new ObjMaterialFile();
var materials = referenced_materials.Distinct();
foreach (var m in materials)
{
var material = new ObjMaterial(m.name);
material.DiffuseColor = new ObjMaterialColor(m.colour.x, m.colour.y, m.colour.z);
if (m.texture != null)
{
material.DiffuseMap = new ObjMaterialMap(m.texture.filename);
}
material.IsAntiAliasingEnabled = false;
mtl.Materials.Add(material);
}
mtl.WriteTo(directory + Path.DirectorySeparatorChar + filename + ".mtl");
obj.MaterialLibraries.Add(filename + ".mtl");
obj.WriteTo(directory + Path.DirectorySeparatorChar + filename + ".obj");
}
private void SetFaceTriangleIndex(ObjFace face, ObjItem objModel)
{
if (objModel.ObjExport != null && face.ObjExportIndex > -1)
{
objModel.ObjExport.Faces[face.ObjExportIndex].TriangleIndex0 = LastTriangleIndex++;
if (face.Count == 4)
{
objModel.ObjExport.Faces[face.ObjExportIndex].TriangleIndex1 = LastTriangleIndex++;
}
}
}
public void Element_Face_Valid()
{
var obj = new ObjFile();
obj.Groups.Add(new ObjGroup("b"));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
var face = new ObjFace();
face.Vertices.Add(new ObjTriplet(2, 0, 0));
face.Vertices.Add(new ObjTriplet(3, 0, 0));
face.Vertices.Add(new ObjTriplet(4, 0, 0));
face.Vertices.Add(new ObjTriplet(5, 0, 0));
face.Vertices.Add(new ObjTriplet(6, 0, 0));
obj.Faces.Add(face);
obj.Groups[0].Faces.Add(face);
face.ObjectName = "a";
face.LevelOfDetail = 2;
face.MapName = "c";
face.MaterialName = "d";
face.SmoothingGroupNumber = 10;
face.IsBevelInterpolationEnabled = true;
face.IsColorInterpolationEnabled = true;
face.IsDissolveInterpolationEnabled = true;
string text = WriteObj(obj);
string expected =
@"v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
g b
o a
lod 2
usemap c
usemtl d
s 10
bevel on
c_interp on
d_interp on
f 2 3 4 5 6
";
AssertExtensions.TextEqual(expected, text);
}
private Face CreateFace(Map map, List <Vector3> points, ObjFace objFace)
{
var verts = objFace.Vertices.Select(x => points[x]).ToList();
var f = new Face(map.NumberGenerator.Next("Face"))
{
Plane = new Plane(verts[2], verts[1], verts[0])
};
verts.Reverse();
f.Vertices.AddRange(verts);
return(f);
}
private void ParseFace(string[] data)
{
int length = data.Length - 1;
var face = new ObjFace(3);
currentFaceGroup.Faces.Add(face);
for (int i = 0; i < length; i++)
{
string[] parts = data[i + 1].Split('/');
var vert = new ObjFaceVertex();
vert.VertexIndex = ParseIndex(parts, 0);
if (parts.Length > 1 && !string.IsNullOrEmpty(parts[1]))
{
vert.UVIndex = ParseIndex(parts, 1);
}
if (parts.Length > 2 && !string.IsNullOrEmpty(parts[2]))
{
vert.NormalIndex = ParseIndex(parts, 2);
}
if (i < 3)
{
face.Vertices[i] = vert;
}
else
{
// polygon > 3 vertices -> triangulate: add new face for every additional polygon
var newFace = new ObjFace(3);
newFace.Vertices[0] = face.Vertices[0];
newFace.Vertices[1] = face.Vertices[2];
newFace.Vertices[2] = vert;
face = newFace;
currentFaceGroup.Faces.Add(face);
}
}
}
private static void WriteObj(Int32Rect[][] tiles, BitmapSource[][][] imagedata, ConvertOptions options)
{
var positions = new Dictionary <Vector3, int>();
var normals = new Dictionary <Vector3, int>();
var uvs = new Dictionary <Vector2, int>();
var normal = new Vector3(0, 0, 1);
var xcount = (options.ImageWidth.Value + options.TileWidth - 1) / options.TileWidth;
var ycount = (options.ImageHeight.Value + options.TileHeight - 1) / options.TileHeight;
var folder = Path.GetDirectoryName(options.InputFileName);
var filename = Path.GetFileNameWithoutExtension(options.InputFileName);
var mtl = new ObjMaterialFile();
var obj = new ObjFile();
obj.MaterialLibraries.Add($"{filename}.mtl");
for (var y = 0; y < ycount; y++)
{
for (var x = 0; x < xcount; x++)
{
var tile = tiles[y][x];
var texture = imagedata[0][y][x];
var encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(texture));
var matname = $"{filename}_{y:D3}_{x:D3}";
using (var outfile = File.Open(Path.Combine(folder, $"{matname}.png"), FileMode.Create, FileAccess.Write, FileShare.None))
{
encoder.Save(outfile);
}
var material = new ObjMaterial(matname);
material.DiffuseMap = new ObjMaterialMap($"{matname}.png");
mtl.Materials.Add(material);
var face = new ObjFace();
face.MaterialName = matname;
face.Vertices.Add(new ObjTriplet(
positions.AddUniqueIndex(new Vector3(tile.X, -(tile.Y), 0)),
uvs.AddUniqueIndex(new Vector2(0, (float)tile.Height / texture.PixelHeight)),
normals.AddUniqueIndex(normal)
));
face.Vertices.Add(new ObjTriplet(
positions.AddUniqueIndex(new Vector3(tile.X + tile.Width, -(tile.Y), 0)),
uvs.AddUniqueIndex(new Vector2((float)tile.Width / texture.PixelWidth, (float)tile.Height / texture.PixelHeight)),
normals.AddUniqueIndex(normal)
));
face.Vertices.Add(new ObjTriplet(
positions.AddUniqueIndex(new Vector3(tile.X + tile.Width, -(tile.Y + tile.Height), 0)),
uvs.AddUniqueIndex(new Vector2((float)tile.Width / texture.PixelWidth, 0)),
normals.AddUniqueIndex(normal)
));
face.Vertices.Add(new ObjTriplet(
positions.AddUniqueIndex(new Vector3(tile.X, -(tile.Y + tile.Height), 0)),
uvs.AddUniqueIndex(new Vector2(0, 0)),
normals.AddUniqueIndex(normal)
));
obj.Faces.Add(face);
}
}
(from x in positions orderby x.Value select x.Key).ToList().ForEach(x => obj.Vertices.Add(x.ToObjVertex()));
(from x in normals orderby x.Value select x.Key).ToList().ForEach(x => obj.VertexNormals.Add(x.ToObjVector3()));
(from x in uvs orderby x.Value select x.Key).ToList().ForEach(x => obj.TextureVertices.Add(x.ToObjVector3()));
mtl.WriteTo(Path.Combine(folder, $"{filename}.mtl"));
obj.WriteTo(Path.Combine(folder, $"{filename}.obj"));
}
private void ParseObj(Stream stream)
{
ObjMesh currentMesh = null;
ObjPolygon currentPolygon = null;
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
{
List <Vector3> Positions = new List <Vector3>();
List <Vector2> TexCoords = new List <Vector2>();
List <Vector3> Normals = new List <Vector3>();
var enusculture = new CultureInfo("en-US");
string currentMaterial = null;
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
line = line.Replace(",", ".");
// Ignore empty lines and comments.
if (String.IsNullOrWhiteSpace(line) || line.StartsWith("#"))
{
continue;
}
string[] args = line.Split(_argSeparators, StringSplitOptions.RemoveEmptyEntries);
if (args.Length == 1)
{
continue;
}
switch (args[0])
{
case "o":
case "g":
currentMesh = new ObjMesh(args.Length > 1 ? args[1] : $"Mesh{Meshes.Count}");
Meshes.Add(currentMesh);
continue;
case "v":
Positions.Add(new Vector3(
Single.Parse(args[1], enusculture),
Single.Parse(args[2], enusculture),
Single.Parse(args[3], enusculture)));
continue;
case "vt":
TexCoords.Add(new Vector2(
Single.Parse(args[1], enusculture),
Single.Parse(args[2], enusculture)));
continue;
case "vn":
Normals.Add(new Vector3(
Single.Parse(args[1], enusculture),
Single.Parse(args[2], enusculture),
Single.Parse(args[3], enusculture)));
continue;
case "f":
// Only support triangles for now.
if (args.Length != 4)
{
throw new Exception("Obj must be trianglulated!");
}
int[] indices = new int[3 * 2]; //3 faces, position and normal indices
if (!currentMesh.Polygons.ContainsKey(currentMaterial))
{
currentPolygon = new ObjPolygon(currentMaterial);
currentMesh.Polygons.Add(currentMaterial, currentPolygon);
}
ObjFace face = new ObjFace()
{
Vertices = new ObjVertex[3]
};
for (int i = 0; i < 3; i++)
{
string[] vertexArgs = args[i + 1].Split(_vertexSeparators, StringSplitOptions.None);
int positionIndex = Int32.Parse(vertexArgs[0]) - 1;
face.Vertices[i].Position = Positions[positionIndex];
currentPolygon.Indices.Add(positionIndex);
if (float.IsNaN(face.Vertices[i].Position.X) ||
float.IsNaN(face.Vertices[i].Position.Y) ||
float.IsNaN(face.Vertices[i].Position.Z))
{
face.Vertices = null;
break;
}
if (vertexArgs.Length > 1 && vertexArgs[1] != String.Empty)
{
face.Vertices[i].TexCoord = TexCoords[Int32.Parse(vertexArgs[1]) - 1];
}
if (vertexArgs.Length > 2 && vertexArgs[2] != String.Empty)
{
face.Vertices[i].Normal = Normals[Int32.Parse(vertexArgs[2]) - 1];
}
}
currentPolygon.Faces.Add(face);
continue;
case "usemtl":
{
if (args.Length < 2)
{
continue;
}
currentMaterial = args[1];
continue;
}
}
}
}
}
public ObjFace(ObjFace face)
{
Vertices = face.Vertices;
}
private static ObjFace ParceFace(string line)
{
var vertices = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var face = new ObjFace();
foreach (var vertexString in vertices)
{
var faceVertex = ParseFaceVertex(vertexString);
face.AddVertex(faceVertex);
}
return face;
}
private void SetFaceTriangleIndex(ObjFace face, ObjItem objModel)
{
if (objModel.ObjExport != null && face.ObjExportIndex > -1)
{
objModel.ObjExport.Faces[face.ObjExportIndex].TriangleIndex0 = LastTriangleIndex++;
if (face.Count == 4)
objModel.ObjExport.Faces[face.ObjExportIndex].TriangleIndex1 = LastTriangleIndex++;
}
}
private void GetObjFace(ObjFace face, ObjItem objModel,
ref List<float> vertexPositions, ref List<float> vertexNormals, ref List<float> vertexTextureCoordinates, ref List<float> vertexBoneWeights, ref List<float> vertexBoneIndices, ref List<uint> indeces)
{
if (face.Count == 3)
{
for (var i = 0; i < face.Count; i++)
{
var faceVertex = face[i];
ObjLoader.AppendObjTriangle(objModel, faceVertex, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
}
SetFaceTriangleIndex(face, objModel);
}
else if (face.Count == 4)
{
var faceVertex0 = face[0];
var faceVertex1 = face[1];
var faceVertex2 = face[2];
var faceVertex3 = face[3];
ObjLoader.AppendObjTriangle(objModel, faceVertex0, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex1, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex2, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex2, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex3, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
ObjLoader.AppendObjTriangle(objModel, faceVertex0, ref vertexPositions, ref vertexNormals, ref vertexTextureCoordinates, ref vertexBoneWeights, ref vertexBoneIndices, ref indeces);
SetFaceTriangleIndex(face, objModel);
}
}
private Face CreateFace(DataStructures.MapObjects.Map map, List<Coordinate> points, ObjFace objFace)
{
var verts = objFace.Vertices.Select(x => points[x]).ToList();
var f = new Face(map.IDGenerator.GetNextFaceID());
f.Plane = new Plane(verts[2], verts[1], verts[0]);
f.Vertices.AddRange(verts.Select(x => new Vertex(x, f)).Reverse());
f.UpdateBoundingBox();
return f;
}
private void loadModel(string fileName)
{
treeView1.Nodes.Clear();
m = new WavefrontOBJ();
m.loadObjModel(fileName);
TreeNode nodeObjects = new TreeNode("Objects (" + m.getNumObjects() + ")");
for (int i = 0; i < m.getNumObjects(); i++)
{
ObjObject o = m.getObject(i);
TreeNode nodeObject = new TreeNode("Object " + i + " - \"" + o.getName() + "\"");
// object name
TreeNode nodeObjectName = new TreeNode("Name");
TreeNode nodeObjectNameValue = new TreeNode(o.getName());
nodeObjectNameValue.Tag = o;
nodeObjectName.Nodes.Add(nodeObjectNameValue);
nodeObject.Nodes.Add(nodeObjectName);
// first face
TreeNode nodeObjectFirstFace = new TreeNode("First face");
TreeNode nodeObjectFirstFaceValue = new TreeNode(o.getFirstFace().ToString());
nodeObjectFirstFace.Nodes.Add(nodeObjectFirstFaceValue);
nodeObject.Nodes.Add(nodeObjectFirstFace);
// face count
TreeNode nodeObjectNumFaces = new TreeNode("Faces count");
TreeNode nodeObjectNumFacesValue = new TreeNode(o.getNumFaces().ToString());
nodeObjectNumFaces.Nodes.Add(nodeObjectNumFacesValue);
nodeObject.Nodes.Add(nodeObjectNumFaces);
nodeObjects.Nodes.Add(nodeObject);
}
treeView1.Nodes.Add(nodeObjects);
TreeNode nodeGroups = new TreeNode("Groups (" + m.getNumGroups() + ")");
for (int i = 0; i < m.getNumGroups(); i++)
{
ObjGroup o = m.getGroup(i);
TreeNode nodeGroup = new TreeNode("Group " + i + " - \"" + o.getName() + "\"");
// object name
TreeNode nodeGroupName = new TreeNode("Name");
TreeNode nodeGroupNameValue = new TreeNode(o.getName());
nodeGroupNameValue.Tag = o;
nodeGroupName.Nodes.Add(nodeGroupNameValue);
nodeGroup.Nodes.Add(nodeGroupName);
// first face
TreeNode nodeGroupFirstFace = new TreeNode("First face");
TreeNode nodeGroupFirstFaceValue = new TreeNode(o.getFirstFace().ToString());
nodeGroupFirstFace.Nodes.Add(nodeGroupFirstFaceValue);
nodeGroup.Nodes.Add(nodeGroupFirstFace);
// face count
TreeNode nodeGroupNumFaces = new TreeNode("Faces count");
TreeNode nodeGroupNumFacesValue = new TreeNode(o.getNumFaces().ToString());
nodeGroupNumFaces.Nodes.Add(nodeGroupNumFacesValue);
nodeGroup.Nodes.Add(nodeGroupNumFaces);
nodeGroups.Nodes.Add(nodeGroup);
}
treeView1.Nodes.Add(nodeGroups);
TreeNode nodeFaces = new TreeNode("Faces (" + m.getNumFaces() + ")");
for (int i = 0; i < m.getNumFaces(); i++)
{
ObjFace f = m.getFace(i);
TreeNode nodeFace = new TreeNode("Face " + i);
// number of vertices
/*TreeNode nodeFaceNumFaceVerts = new TreeNode("FaceVerts count");
* TreeNode nodeFaceNumFaceVertsValue = new TreeNode(f.getNumVerts().ToString());
* nodeFaceNumFaceVerts.Nodes.Add(nodeFaceNumFaceVertsValue);
* nodeFace.Nodes.Add(nodeFaceNumFaceVerts);*/
// vertices
TreeNode nodeFaceFaceVerts = new TreeNode("FaceVerts (" + f.getNumVerts() + ")");
for (int j = 0; j < f.getNumVerts(); j++)
{
TreeNode nodeFaceFaceVert = new TreeNode("FaceVert " + j + " (abs " + (j + f.getFirstVert()) + ")");
nodeFaceFaceVerts.Nodes.Add(nodeFaceFaceVert);
}
nodeFace.Nodes.Add(nodeFaceFaceVerts);
nodeFaces.Nodes.Add(nodeFace);
}
treeView1.Nodes.Add(nodeFaces);
TreeNode nodePositions = new TreeNode("XYZs (" + m.getNumXYZs() + ")");
for (int i = 0; i < m.getNumXYZs(); i++)
{
TreeNode nodePosition = new TreeNode("XYZ " + i);
TreeNode nodePositionValue = new TreeNode(m.getXYZ(i).ToString());
nodePosition.Nodes.Add(nodePositionValue);
nodePositions.Nodes.Add(nodePosition);
}
treeView1.Nodes.Add(nodePositions);
if (m.getNumTexCoords() > 0)
{
TreeNode nodeTexCoords = new TreeNode("TexCoords (" + m.getNumTexCoords() + ")");
for (int i = 0; i < m.getNumTexCoords(); i++)
{
TreeNode nodeTexCoord = new TreeNode("TexCoord " + i);
TreeNode nodeTexCoordValue = new TreeNode(m.getTexCoord(i).ToString());
nodeTexCoord.Nodes.Add(nodeTexCoordValue);
nodeTexCoords.Nodes.Add(nodeTexCoord);
}
treeView1.Nodes.Add(nodeTexCoords);
}
;
if (m.getNumNormals() > 0)
{
TreeNode nodeNormals = new TreeNode("Normals (" + m.getNumNormals() + ")");
for (int i = 0; i < m.getNumNormals(); i++)
{
TreeNode nodeNormal = new TreeNode("Normal " + i);
TreeNode nodeNormalValue = new TreeNode(m.getNormal(i).ToString());
nodeNormal.Nodes.Add(nodeNormalValue);
nodeNormals.Nodes.Add(nodeNormal);
}
treeView1.Nodes.Add(nodeNormals);
}
}
public static GameObject LoadOBJFile(string FilePath, List <Texture2D> LoadedTextures)
{
string meshName = Path.GetFileNameWithoutExtension(FilePath);
bool hasNormals = false;
//OBJ LISTS
List <Vector3> vertices = new List <Vector3>();
List <Vector3> normals = new List <Vector3>();
List <Vector2> uvs = new List <Vector2>();
//UMESH LISTS
List <Vector3> uvertices = new List <Vector3>();
List <Vector3> unormals = new List <Vector3>();
List <Vector2> uuvs = new List <Vector2>();
//MESH CONSTRUCTION
List <string> materialNames = new List <string>();
List <string> objectNames = new List <string>();
Dictionary <string, int> hashtable = new Dictionary <string, int>();
List <ObjFace> faceList = new List <ObjFace>();
string cmaterial = "";
string cmesh = "default";
//CACHE
Material[] materialCache = null;
//save this info for later
FileInfo OBJFileInfo = new FileInfo(FilePath);
foreach (string ln in File.ReadAllLines(FilePath))
{
if (ln.Length > 0 && ln[0] != '#')
{
string l = ln.Trim().Replace(" ", " ");
string[] cmps = l.Split(' ');
string data = l.Remove(0, l.IndexOf(' ') + 1);
if (cmps[0] == "mtllib")
{
//load cache
string pth = OBJGetFilePath(data, OBJFileInfo.Directory.FullName + Path.DirectorySeparatorChar, meshName);
if (pth != null)
{
materialCache = LoadMTLFile(pth, LoadedTextures);
}
}
else if ((cmps[0] == "g" || cmps[0] == "o") && SplitByMaterial == false)
{
cmesh = data;
if (!objectNames.Contains(cmesh))
{
objectNames.Add(cmesh);
}
}
else if (cmps[0] == "usemtl")
{
cmaterial = data;
if (!materialNames.Contains(cmaterial))
{
materialNames.Add(cmaterial);
}
if (SplitByMaterial)
{
if (!objectNames.Contains(cmaterial))
{
objectNames.Add(cmaterial);
}
}
}
else if (cmps[0] == "v")
{
//VERTEX
vertices.Add(ParseVectorFromCMPS(cmps));
}
else if (cmps[0] == "vn")
{
//VERTEX NORMAL
normals.Add(ParseVectorFromCMPS(cmps));
}
else if (cmps[0] == "vt")
{
//VERTEX UV
uvs.Add(ParseVectorFromCMPS(cmps));
}
else if (cmps[0] == "f")
{
int[] indexes = new int[cmps.Length - 1];
for (int i = 1; i < cmps.Length; i++)
{
string felement = cmps[i];
int vertexIndex = -1;
int normalIndex = -1;
int uvIndex = -1;
if (felement.Contains("//"))
{
//doubleslash, no UVS.
string[] elementComps = felement.Split('/');
vertexIndex = int.Parse(elementComps[0]) - 1;
normalIndex = int.Parse(elementComps[2]) - 1;
}
else if (felement.Split('/').Length == 3)
{
//contains everything
string[] elementComps = felement.Split('/');
vertexIndex = int.Parse(elementComps[0]) - 1;
uvIndex = int.Parse(elementComps[1]) - 1;
normalIndex = int.Parse(elementComps[2]) - 1;
}
else if (!felement.Contains("/"))
{
//just vertex inedx
vertexIndex = int.Parse(felement) - 1;
}
else
{
//vertex and uv
string[] elementComps = felement.Split('/');
vertexIndex = int.Parse(elementComps[0]) - 1;
uvIndex = int.Parse(elementComps[1]) - 1;
}
string hashEntry = vertexIndex + "|" + normalIndex + "|" + uvIndex;
if (hashtable.ContainsKey(hashEntry))
{
indexes[i - 1] = hashtable[hashEntry];
}
else
{
//create a new hash entry
indexes[i - 1] = hashtable.Count;
hashtable[hashEntry] = hashtable.Count;
uvertices.Add(vertices[vertexIndex]);
if (normalIndex < 0 || (normalIndex > (normals.Count - 1)))
{
unormals.Add(Vector3.zero);
}
else
{
hasNormals = true;
unormals.Add(normals[normalIndex]);
}
if (uvIndex < 0 || (uvIndex > (uvs.Count - 1)))
{
uuvs.Add(Vector2.zero);
}
else
{
uuvs.Add(uvs[uvIndex]);
}
}
}
if (indexes.Length < 5 && indexes.Length >= 3)
{
ObjFace f1 = new ObjFace();
f1.MaterialName = cmaterial;
f1.Indexes = new int[] { indexes[0], indexes[1], indexes[2] };
f1.MeshName = (SplitByMaterial) ? cmaterial : cmesh;
faceList.Add(f1);
if (indexes.Length > 3)
{
ObjFace f2 = new ObjFace();
f2.MaterialName = cmaterial;
f2.MeshName = (SplitByMaterial) ? cmaterial : cmesh;
f2.Indexes = new int[] { indexes[2], indexes[3], indexes[0] };
faceList.Add(f2);
}
}
}
}
}
if (objectNames.Count == 0)
{
objectNames.Add("default");
}
//build objects
GameObject parentObject = new GameObject(meshName);
foreach (string obj in objectNames)
{
GameObject subObject = new GameObject(obj);
subObject.transform.parent = parentObject.transform;
subObject.transform.localScale = new Vector3(-1, 1, 1); //IIRC I did this to correct for some rotation issues? TODO review this
//Create mesh
Mesh m = new Mesh();
m.name = obj;
//LISTS FOR REORDERING
List <Vector3> processedVertices = new List <Vector3>();
List <Vector3> processedNormals = new List <Vector3>();
List <Vector2> processedUVs = new List <Vector2>();
List <int[]> processedIndexes = new List <int[]>();
Dictionary <int, int> remapTable = new Dictionary <int, int>();
//POPULATE MESH
List <string> meshMaterialNames = new List <string>();
List <ObjFace> ofaces = faceList.FindAll(x => x.MeshName == obj);
foreach (string mn in materialNames)
{
ObjFace[] faces = ofaces.FindAll(x => x.MaterialName == mn).ToArray();
if (faces.Length > 0)
{
int[] indexes = new int[0];
foreach (ObjFace f in faces)
{
int l = indexes.Length;
Array.Resize(ref indexes, l + f.Indexes.Length);
Array.Copy(f.Indexes, 0, indexes, l, f.Indexes.Length);
}
meshMaterialNames.Add(mn);
if (m.subMeshCount != meshMaterialNames.Count)
{
m.subMeshCount = meshMaterialNames.Count;
}
for (int i = 0; i < indexes.Length; i++)
{
int idx = indexes[i];
//build remap table
if (remapTable.ContainsKey(idx))
{
//ezpz
indexes[i] = remapTable[idx];
}
else
{
processedVertices.Add(uvertices[idx]);
processedNormals.Add(unormals[idx]);
processedUVs.Add(uuvs[idx]);
remapTable[idx] = processedVertices.Count - 1;
indexes[i] = remapTable[idx];
}
}
processedIndexes.Add(indexes);
}
else
{
}
}
//apply stuff
m.vertices = processedVertices.ToArray();
m.normals = processedNormals.ToArray();
m.uv = processedUVs.ToArray();
for (int i = 0; i < processedIndexes.Count; i++)
{
m.SetTriangles(processedIndexes[i], i);
}
if (!hasNormals)
{
m.RecalculateNormals();
}
m.RecalculateBounds();
;
MeshFilter mf = subObject.AddComponent <MeshFilter>();
MeshRenderer mr = subObject.AddComponent <MeshRenderer>();
Material[] processedMaterials = new Material[meshMaterialNames.Count];
for (int i = 0; i < meshMaterialNames.Count; i++)
{
if (materialCache == null)
{
processedMaterials[i] = new Material(Shader.Find("Standard (Specular setup)"));
}
else
{
Material mfn = Array.Find(materialCache, x => x.name == meshMaterialNames[i]);;
if (mfn == null)
{
processedMaterials[i] = new Material(Shader.Find("Standard (Specular setup)"));
}
else
{
processedMaterials[i] = mfn;
}
}
processedMaterials[i].name = meshMaterialNames[i];
}
mr.materials = processedMaterials;
mr.enabled = true;
mr.useLightProbes = false;
mf.mesh = m;
}
return(parentObject);
}
private Face CreateFace(DataStructures.MapObjects.Map map, List <Coordinate> points, ObjFace objFace)
{
var verts = objFace.Vertices.Select(x => points[x]).ToList();
var f = new Face(map.IDGenerator.GetNextFaceID());
f.Plane = new Plane(verts[2], verts[1], verts[0]);
f.Vertices.AddRange(verts.Select(x => new Vertex(x, f)).Reverse());
f.UpdateBoundingBox();
return(f);
}
static void Main(string[] args)
{
void ShowInfo()
{
AdvConsole.WriteLine(ConsoleColor.Cyan,
"PlaneBorder\n" +
"by Zach Combs\n" +
"\n" +
"<sourceOBJ> <destOBJ> <borderWidth> <borderHeight>\n" +
" Maps textures for a VVVVVV Circuit style track.\n" +
" sourceOBJ The source OBJ file\n" +
" destOBj The destination OBJ file\n" +
" borderWidth The width of borders\n" +
" borderHeight The height of borders");
}
void WriteError(string s)
{
AdvConsole.WriteLine(ConsoleColor.Red, "ERROR: " + s);
}
Rect2d[] CalculateVerticesOfRect(float width, float height, float cornerwidth, float cornerheight)
{
//coords[0] = topleft corner
//coords[1] = topright corner
//coords[2] = bottomleft corner
//coords[3] = bottomright corner
//coords[4] = left side
//coords[5] = right side
//coords[6] = bottom side
//coords[7] = top side
//coords[8] = center
Rect2d[] coords = new Rect2d[9];
Rect2d corner_topleft = new Rect2d();
Rect2d corner_topright = new Rect2d();
Rect2d corner_bottomleft = new Rect2d();
Rect2d corner_bottomright = new Rect2d();
Rect2d side_left = new Rect2d();
Rect2d side_right = new Rect2d();
Rect2d side_bottom = new Rect2d();
Rect2d side_top = new Rect2d();
Rect2d center = new Rect2d();
ObjVector2 in_topleft = new ObjVector2();
ObjVector2 in_bottomright = new ObjVector2();
if (width < (cornerwidth * 2))
{
in_topleft.X = width / 2;
}
else
{
in_topleft.X = cornerwidth;
}
if (height < (cornerheight * 2))
{
in_topleft.Y = height / 2;
}
else
{
in_topleft.Y = cornerheight;
}
if (width < (cornerwidth * 2))
{
in_bottomright.X = width / 2;
}
else
{
in_bottomright.X = width - cornerwidth;
}
if (height < (cornerheight * 2))
{
in_bottomright.Y = height / 2;
}
else
{
in_bottomright.Y = height - cornerheight;
}
corner_topleft = new Rect2d(
new ObjVector2(0, 0),
new ObjVector2(in_topleft.X, in_topleft.Y));
corner_topright = new Rect2d(
new ObjVector2(in_bottomright.X, 0),
new ObjVector2(width, in_topleft.Y));
corner_bottomleft = new Rect2d(
new ObjVector2(0, in_bottomright.Y),
new ObjVector2(in_topleft.X, height));
corner_bottomright = new Rect2d(
new ObjVector2(in_bottomright.X, in_bottomright.Y),
new ObjVector2(width, height));
side_left = new Rect2d(
new ObjVector2(0, in_topleft.Y),
new ObjVector2(in_topleft.X, in_bottomright.Y));
side_right = new Rect2d(
new ObjVector2(in_bottomright.X, in_topleft.Y),
new ObjVector2(width, in_bottomright.Y));
side_bottom = new Rect2d(
new ObjVector2(in_topleft.X, in_bottomright.Y),
new ObjVector2(in_bottomright.X, height));
side_top = new Rect2d(
new ObjVector2(in_topleft.X, 0),
new ObjVector2(in_bottomright.X, in_topleft.Y));
center = new Rect2d(
new ObjVector2(in_topleft.X, in_topleft.Y),
new ObjVector2(in_bottomright.X, in_bottomright.Y));
coords[0] = corner_topleft;
coords[1] = corner_topright;
coords[2] = corner_bottomleft;
coords[3] = corner_bottomright;
coords[4] = side_left;
coords[5] = side_right;
coords[6] = side_bottom;
coords[7] = side_top;
coords[8] = center;
return(coords);
}
Rect2d[] CalculateTexCoordsOfRect(float width, float height, float cornerwidth, float cornerheight)
{
//coords[0] = topleft corner
//coords[1] = topright corner
//coords[2] = bottomleft corner
//coords[3] = bottomright corner
//coords[4] = left side
//coords[5] = right side
//coords[6] = bottom side
//coords[7] = top side
//coords[8] = center
Rect2d[] coords = new Rect2d[9];
coords[0] = new Rect2d(
new ObjVector2(0.125F, 0F),
new ObjVector2(0.25F, 0.5F));
coords[1] = new Rect2d(
new ObjVector2(0.25F, 0F),
new ObjVector2(0.375F, 0.5F));
coords[2] = new Rect2d(
new ObjVector2(0.125F, 0.5F),
new ObjVector2(0.25F, 1F));
coords[3] = new Rect2d(
new ObjVector2(0.25F, 0.5F),
new ObjVector2(0.375F, 1F));
float in_width = ((width < (cornerwidth * 2)) ? 0f : (width - (cornerwidth * 2)));
float in_height = ((height < (cornerheight * 2)) ? 0f : (height - (cornerheight * 2)));
float uv_in_width = ((in_width == 0) ? 0f : (
((in_width / (cornerwidth * 2)) < 0.5f) ? 0.5f :
((float)Math2.Round(in_width / (cornerwidth * 2), 0.5, Math2.RoundTechnique.ToNearest))
));
float uv_in_height = ((in_height == 0) ? 0f : (
((in_height / (cornerheight * 2)) < 0.5f) ? 0.5f :
((float)Math2.Round(in_height / (cornerheight * 2), 0.5, Math2.RoundTechnique.ToNearest))
));
Rect2d side_left = new Rect2d(
new ObjVector2(0.375F, 0F),
new ObjVector2(0.5F, uv_in_height));
Rect2d side_right = new Rect2d(
new ObjVector2(0.5F, 0F),
new ObjVector2(0.625F, uv_in_height));
Rect2d side_bottom = new Rect2d(
new ObjVector2(0.625F, 0F),
new ObjVector2(0.75F, uv_in_width));//This will be rotated counter-clockwise
Rect2d side_top = new Rect2d(
new ObjVector2(0.75F, 0F),
new ObjVector2(0.875F, uv_in_width));//This will be rotated counter-clockwise
Rect2d center = new Rect2d(
new ObjVector2(0F, 0F),
new ObjVector2(uv_in_width, uv_in_height));
coords[4] = side_left;
coords[5] = side_right;
coords[6] = side_bottom;
coords[7] = side_top;
coords[8] = center;
return(coords);
}
bool IsARectangle(ObjVector2 v1, ObjVector2 v2, ObjVector2 v3, ObjVector2 v4, out ObjVector2[] outpoints, out int[] oldindexes, out bool isclockwise)
{
//Returns whether or not v1, v2, v3, v4 make a rectangle
//The vertices need to be in the order of building a rectangle
//If v1, v2, v3, v4 make a rectangle, it makes an array of the vertices where the top-left vertex is first
//The order of the vertices in the array depends on whether or not the rectangle the built clockwise or counter-clockwise
int topleft = -1;
float mincoordx = Math.Min(Math.Min(v1.X, v2.X), Math.Min(v3.X, v4.X));
float mincoordy = Math.Min(Math.Min(v1.Y, v2.Y), Math.Min(v3.Y, v4.Y));
if (v1.X == mincoordx & v1.Y == mincoordy)
{
topleft = 0;
}
if (v2.X == mincoordx & v2.Y == mincoordy)
{
topleft = 1;
}
if (v3.X == mincoordx & v3.Y == mincoordy)
{
topleft = 2;
}
if (v4.X == mincoordx & v4.Y == mincoordy)
{
topleft = 3;
}
if (topleft == -1)
{
outpoints = null;
oldindexes = null;
isclockwise = false;
return(false);
}
else
{
ObjVector2 newv1 = null;
ObjVector2 newv2 = null;
ObjVector2 newv3 = null;
ObjVector2 newv4 = null;
int oldind1 = -1;
int oldind2 = -1;
int oldind3 = -1;
int oldind4 = -1;
if (topleft == 0)
{
newv1 = new ObjVector2(v1.X, v1.Y);
newv2 = new ObjVector2(v2.X, v2.Y);
newv3 = new ObjVector2(v3.X, v3.Y);
newv4 = new ObjVector2(v4.X, v4.Y);
oldind1 = 0;
oldind2 = 1;
oldind3 = 2;
oldind4 = 3;
}
else if (topleft == 1)
{
newv1 = new ObjVector2(v2.X, v2.Y);
newv2 = new ObjVector2(v3.X, v3.Y);
newv3 = new ObjVector2(v4.X, v4.Y);
newv4 = new ObjVector2(v1.X, v1.Y);
oldind1 = 1;
oldind2 = 2;
oldind3 = 3;
oldind4 = 0;
}
else if (topleft == 2)
{
newv1 = new ObjVector2(v3.X, v3.Y);
newv2 = new ObjVector2(v4.X, v4.Y);
newv3 = new ObjVector2(v1.X, v1.Y);
newv4 = new ObjVector2(v2.X, v2.Y);
oldind1 = 2;
oldind2 = 3;
oldind3 = 0;
oldind4 = 1;
}
else if (topleft == 3)
{
newv1 = new ObjVector2(v4.X, v4.Y);
newv2 = new ObjVector2(v1.X, v1.Y);
newv3 = new ObjVector2(v2.X, v2.Y);
newv4 = new ObjVector2(v3.X, v3.Y);
oldind1 = 3;
oldind2 = 0;
oldind3 = 1;
oldind4 = 2;
}
bool isrectccw = (newv1.X == newv2.X & newv2.Y == newv3.Y & newv3.X == newv4.X & newv4.Y == newv1.Y);
bool isrectcw = (newv1.Y == newv2.Y & newv2.X == newv3.X & newv3.Y == newv4.Y & newv4.X == newv1.X);
if (isrectccw | isrectcw)
{
outpoints = new ObjVector2[4];
outpoints[0] = newv1;
outpoints[1] = newv2;
outpoints[2] = newv3;
outpoints[3] = newv4;
oldindexes = new int[4];
oldindexes[0] = oldind1;
oldindexes[1] = oldind2;
oldindexes[2] = oldind3;
oldindexes[3] = oldind4;
isclockwise = isrectcw;
return(true);
}
else
{
outpoints = null;
oldindexes = null;
isclockwise = false;
return(false);
}
}
}
double PointDirection(ObjVector2 pnt1, ObjVector2 pnt2)
{
double xxx = pnt2.X - pnt1.X;
double yyy = pnt2.Y - pnt1.Y;
if (xxx == 0)
{
if (yyy < 0)
{
return(Math.PI * 1.5D);
}
else
{
return(Math.PI * 0.5D);
}
}
else if (xxx < 0)
{
return(Math.Atan(yyy / xxx) + Math.PI);
}
else
{
return(Math.Atan(yyy / xxx));
}
}
const int reqargs = 4;
if (args == null)
{
ShowInfo();
return;
}
if (args.Length == 0)
{
ShowInfo();
return;
}
if (args.Length < reqargs)
{
WriteError(
"You must specify source obj, dest obj, corner width, and corner height"
);
return;
}
string file_source = args[0];
string file_dest = args[1];
float corner_width = 0f; //borderWidth
float corner_height = 0f; //borderHeight
if (!File.Exists(file_source))
{
WriteError(String.Format(
"\"{0}\" does not exist"
, file_source));
return;
}
if (File.Exists(file_dest))
{
WriteError(String.Format(
"\"{0}\" already exists"
, file_dest));
return;
}
if (!float.TryParse(args[2], out corner_width))
{
WriteError(String.Format(
"\"{0}\" is not valid"
, args[2]));
return;
}
if (!float.TryParse(args[3], out corner_height))
{
WriteError(String.Format(
"\"{0}\" is not valid"
, args[3]));
return;
}
try
{
Obj obj = new Obj();
obj.Load(file_source, ObjLoadMode.IgnoreGroups, false);
ObjGroup group = obj.Groups.Groups[0];
ObjGroup newgroup = new ObjGroup();
int AddVertex(ObjVector3 vertex)
{
int index = -1;
int n = 0;
while (n < newgroup.Vertexes.Count & index == -1)
{
ObjVector3 vector = newgroup.Vertexes.Item(n);
if (
vertex.X == vector.X &
vertex.Y == vector.Y &
vertex.Z == vector.Z)
{
index = n;
}
n += 1;
}
if (index == -1)
{
index = newgroup.Vertexes.Count;
newgroup.Vertexes.Add(vertex);
}
return(index);
}
void AddRectangle(
ObjVector3 topleftpos,
int coordplane,
Rect2d[] Vertices, Rect2d[] TexCoords)
{
//coordplane==0: +X+Z plane
//coordplane==1: -X+Z plane
//coordplane==2: +X-Y plane
//coordplane==3: -X-Y plane
//coordplane==4: +Z-Y plane
//coordplane==5: -Z-Y plane
ObjVector3 DeterminePosition(float vx, float vy)
{
ObjVector3 vector = new ObjVector3(
topleftpos.X,
topleftpos.Y,
topleftpos.Z);
if (coordplane == 0)
{
vector.X += vx;
vector.Z += vy;
}
else if (coordplane == 1)
{
vector.X += -vx;
vector.Z += vy;
}
else if (coordplane == 2)
{
vector.X += vx;
vector.Y += -vy;
}
else if (coordplane == 3)
{
vector.X += -vx;
vector.Y += -vy;
}
else if (coordplane == 4)
{
vector.Z += vx;
vector.Y += -vy;
}
else if (coordplane == 5)
{
vector.Z += -vx;
vector.Y += -vy;
}
return(vector);
}
ObjFacePoint NewFacePoint(int v, int vt)
{
ObjFacePoint facepoint = new ObjFacePoint();
facepoint.Vertex_Index = v;
facepoint.TexCoord_Index = vt;
return(facepoint);
}
for (int n = 0; n < Math.Min(
Vertices.Length, TexCoords.Length
); n += 1)
{
Rect2d rect_v = Vertices[n];
Rect2d rect_tc = TexCoords[n];
if (
(rect_v.Pos_TopLeft.X != rect_v.Pos_BottomRight.X) &
(rect_v.Pos_TopLeft.Y != rect_v.Pos_BottomRight.Y)
)
{
ObjVector2 newtexcoord_tl = new ObjVector2(
rect_tc.Pos_TopLeft.X,
rect_tc.Pos_TopLeft.Y);
ObjVector2 newtexcoord_tr = new ObjVector2(
rect_tc.Pos_BottomRight.X,
rect_tc.Pos_TopLeft.Y);
ObjVector2 newtexcoord_bl = new ObjVector2(
rect_tc.Pos_TopLeft.X,
rect_tc.Pos_BottomRight.Y);
ObjVector2 newtexcoord_br = new ObjVector2(
rect_tc.Pos_BottomRight.X,
rect_tc.Pos_BottomRight.Y);
if (n == 6 | n == 7)
{
//These are the top/bottom rectangles
newtexcoord_tl.X = rect_tc.Pos_BottomRight.X;
newtexcoord_tl.Y = rect_tc.Pos_TopLeft.Y;
newtexcoord_tr.X = rect_tc.Pos_BottomRight.X;
newtexcoord_tr.Y = rect_tc.Pos_BottomRight.Y;
newtexcoord_bl.X = rect_tc.Pos_TopLeft.X;
newtexcoord_bl.Y = rect_tc.Pos_TopLeft.Y;
newtexcoord_br.X = rect_tc.Pos_TopLeft.X;
newtexcoord_br.Y = rect_tc.Pos_BottomRight.Y;
}
ObjVector3 newvertex_tl = DeterminePosition(
rect_v.Pos_TopLeft.X,
rect_v.Pos_TopLeft.Y);
ObjVector3 newvertex_tr = DeterminePosition(
rect_v.Pos_BottomRight.X,
rect_v.Pos_TopLeft.Y);
ObjVector3 newvertex_bl = DeterminePosition(
rect_v.Pos_TopLeft.X,
rect_v.Pos_BottomRight.Y);
ObjVector3 newvertex_br = DeterminePosition(
rect_v.Pos_BottomRight.X,
rect_v.Pos_BottomRight.Y);
int v_index_tl = AddVertex(newvertex_tl);
int v_index_tr = AddVertex(newvertex_tr);
int v_index_bl = AddVertex(newvertex_bl);
int v_index_br = AddVertex(newvertex_br);
int tc_index_tl = newgroup.TexCoords.Count;
newgroup.TexCoords.Add(newtexcoord_tl);
int tc_index_tr = newgroup.TexCoords.Count;
newgroup.TexCoords.Add(newtexcoord_tr);
int tc_index_bl = newgroup.TexCoords.Count;
newgroup.TexCoords.Add(newtexcoord_bl);
int tc_index_br = newgroup.TexCoords.Count;
newgroup.TexCoords.Add(newtexcoord_br);
ObjFace newface = new ObjFace();
newface.UsesNormals = false;
newface.UsesTexCoords = true;
newface.Points.Add(NewFacePoint(
v_index_tl, tc_index_tl
));
newface.Points.Add(NewFacePoint(
v_index_bl, tc_index_bl
));
newface.Points.Add(NewFacePoint(
v_index_br, tc_index_br
));
newface.Points.Add(NewFacePoint(
v_index_tr, tc_index_tr
));
newgroup.Faces.Add(newface);
}
}
}
#region Create rectangles
//Create rectangles
//Create vertices and textures
AdvConsole.WriteLine(ConsoleColor.Green,
"Creating rectangles"
);
for (int n = 0; n < group.Faces.Count; n += 1)
{
ObjFace face = group.Faces.Item(n);
ObjFacePointCollection points = face.Points;
List <ObjVector3> vertexes = new List <ObjVector3>();
for (int m = 0; m < points.Count; m += 1)
{
int prev = m - 1; if (prev < 0)
{
prev = points.Count - 1;
}
int next = m + 1; if (next >= points.Count)
{
next = 0;
}
int index = points.Item(m).Vertex_Index;
int index_p = points.Item(prev).Vertex_Index;
int index_n = points.Item(next).Vertex_Index;
ObjVector3 vertex = group.Vertexes.Item(index);
ObjVector3 vertex_p = group.Vertexes.Item(index_p);
ObjVector3 vertex_n = group.Vertexes.Item(index_n);
bool xsame = (vertex.X == vertex_p.X & vertex.X == vertex_n.X);
bool ysame = (vertex.Y == vertex_p.Y & vertex.Y == vertex_n.Y);
bool zsame = (vertex.Z == vertex_p.Z & vertex.Z == vertex_n.Z);
if (!((xsame & zsame) |
(xsame & ysame) |
(zsame & ysame)))
{
vertexes.Add(vertex);
}
}
if (vertexes.Count == 4)
{
ObjVector3 v1 = vertexes[0];
ObjVector3 v2 = vertexes[1];
ObjVector3 v3 = vertexes[2];
ObjVector3 v4 = vertexes[3];
bool isonx = (v1.X == v2.X & v2.X == v3.X & v3.X == v4.X);
bool isony = (v1.Y == v2.Y & v2.Y == v3.Y & v3.Y == v4.Y);
bool isonz = (v1.Z == v2.Z & v2.Z == v3.Z & v3.Z == v4.Z);
if (isonx | isony | isonz)
{
//coordplane==0: +X+Z plane
//coordplane==1: -X+Z plane
//coordplane==2: +X-Y plane
//coordplane==3: -X-Y plane
//coordplane==4: +Z-Y plane
//coordplane==5: -Z-Y plane
int coordplane;
bool isclockwise;
ObjVector2[] rectpoints;
int[] oldindexes;
int axis = -1; //0=X; 1=Y; 2=Z;
if (isonx)
{
axis = 0;
}
if (isony)
{
axis = 1;
}
if (isonz)
{
axis = 2;
}
ObjVector2 v1_2 = null;
ObjVector2 v2_2 = null;
ObjVector2 v3_2 = null;
ObjVector2 v4_2 = null;
if (axis == 0)
{
v1_2 = new ObjVector2(
v1.Z, -v1.Y
);
v2_2 = new ObjVector2(
v2.Z, -v2.Y
);
v3_2 = new ObjVector2(
v3.Z, -v3.Y
);
v4_2 = new ObjVector2(
v4.Z, -v4.Y
);
}
if (axis == 1)
{
v1_2 = new ObjVector2(
v1.X, v1.Z
);
v2_2 = new ObjVector2(
v2.X, v2.Z
);
v3_2 = new ObjVector2(
v3.X, v3.Z
);
v4_2 = new ObjVector2(
v4.X, v4.Z
);
}
if (axis == 2)
{
v1_2 = new ObjVector2(
v1.X, -v1.Y
);
v2_2 = new ObjVector2(
v2.X, -v2.Y
);
v3_2 = new ObjVector2(
v3.X, -v3.Y
);
v4_2 = new ObjVector2(
v4.X, -v4.Y
);
}
if (IsARectangle(v1_2, v2_2, v3_2, v4_2, out rectpoints, out oldindexes, out isclockwise))
{
float width;
float height;
int topleftindex;
if (isclockwise)
{
ObjVector2 tl = rectpoints[1];
ObjVector2 br = rectpoints[3];
topleftindex = oldindexes[1];
width = -(br.X - tl.X);
height = br.Y - tl.Y;
}
else
{
ObjVector2 tl = rectpoints[0];
ObjVector2 br = rectpoints[2];
topleftindex = oldindexes[0];
width = br.X - tl.X;
height = br.Y - tl.Y;
}
Rect2d[] rects_v = CalculateVerticesOfRect(
width, height, corner_width, corner_height
);
Rect2d[] rects_vt = CalculateTexCoordsOfRect(
width, height, corner_width, corner_height
);
if (axis == 1 & !isclockwise)
{
coordplane = 0;
}
else if (axis == 1 & isclockwise)
{
coordplane = 1;
}
else if (axis == 2 & !isclockwise)
{
coordplane = 2;
}
else if (axis == 2 & isclockwise)
{
coordplane = 3;
}
else if (axis == 0 & !isclockwise)
{
coordplane = 4;
}
else
{
coordplane = 5;
}
AddRectangle(vertexes[topleftindex], coordplane, rects_v, rects_vt);
}
}
}
}
#endregion
#region Finalize faces
AdvConsole.Write(ConsoleColor.Green,
"Finalizing faces "
);
int cursorleft = Console.CursorLeft;
int cursortop = Console.CursorTop;
for (int n = 0; n <= newgroup.Faces.Count; n += 1)
{
Console.CursorLeft = cursorleft;
Console.CursorTop = cursortop;
AdvConsole.WriteLine(ConsoleColor.Green,
"({0}/{1})"
, n, newgroup.Faces.Count);
if (n < newgroup.Faces.Count)
{
int index = newgroup.Faces.Count - 1 - n;
ObjFace face = newgroup.Faces.Item(index);
ObjFacePointCollection newpoints = new ObjFacePointCollection();
for (int m = 0; m < 4; m += 1)
{
int next = m + 1; if (next >= 4)
{
next = 0;
}
ObjFacePoint pnt = face.Points.Item(m);
ObjFacePoint pnt_next = face.Points.Item(next);
int ind = pnt.Vertex_Index;
int ind_next = pnt_next.Vertex_Index;
int ind_t = pnt.TexCoord_Index;
int ind_t_next = pnt_next.TexCoord_Index;
ObjVector3 v = newgroup.Vertexes.Item(ind);
ObjVector3 v_next = newgroup.Vertexes.Item(ind_next);
ObjVector2 vt = newgroup.TexCoords.Item(ind_t);
ObjVector2 vt_next = newgroup.TexCoords.Item(ind_t_next);
double distanceapart = Math.Sqrt(
Math.Pow(v_next.X - v.X, 2) +
Math.Pow(v_next.Y - v.Y, 2) +
Math.Pow(v_next.Z - v.Z, 2)
);
double t_distanceapart = Math.Sqrt(
Math.Pow(vt_next.X - vt.X, 2) +
Math.Pow(vt_next.Y - vt.Y, 2)
);
double t_direction = PointDirection(
vt, vt_next
);
int axis = -1;//0=X different; 1=Y different; 2=Z different
if (v.Y == v_next.Y & v.Z == v_next.Z)
{
axis = 0;
}
if (v.X == v_next.X & v.Z == v_next.Z)
{
axis = 1;
}
if (v.X == v_next.X & v.Y == v_next.Y)
{
axis = 2;
}
ObjFacePoint point_first = new ObjFacePoint();
point_first.Vertex_Index = ind;
point_first.TexCoord_Index = ind_t;
newpoints.Add(point_first);
Dictionary <int, float> newinpoints = new Dictionary <int, float>();//int=vertex index
float val;
float val_next;
if (axis == 0)
{
val = v.X;
val_next = v_next.X;
}
else if (axis == 1)
{
val = v.Y;
val_next = v_next.Y;
}
else
{
val = v.Z;
val_next = v_next.Z;
}
for (int o = 0; o < newgroup.Vertexes.Count; o += 1)
{
if (o != ind & o != ind_next)
{
ObjVector3 vector = newgroup.Vertexes.Item(o);
if (
(axis == 0 & vector.Y == v.Y & vector.Z == v.Z &
vector.X > Math.Min(val, val_next) &
vector.X < Math.Max(val, val_next)) |
(axis == 1 & vector.X == v.X & vector.Z == v.Z &
vector.Y > Math.Min(val, val_next) &
vector.Y < Math.Max(val, val_next)) |
(axis == 2 & vector.X == v.X & vector.Y == v.Y &
vector.Z > Math.Min(val, val_next) &
vector.Z < Math.Max(val, val_next))
)
{
float val_in;
if (axis == 0)
{
val_in = vector.X;
}
else if (axis == 1)
{
val_in = vector.Y;
}
else
{
val_in = vector.Z;
}
newinpoints.Add(o, val_in);
}
}
}
int[] nip_keys = newinpoints.Keys.ToArray();
float[] nip_values = newinpoints.Values.ToArray();
Array.Sort(nip_values, nip_keys);
if (val > val_next)
{
Array.Reverse(nip_keys);
Array.Reverse(nip_values);
}
for (int o = 0; o < nip_keys.Length; o += 1)
{
int nip_key = nip_keys[o];
ObjVector3 inpnt = newgroup.Vertexes.Item(nip_key);
double fromstrt2pnt = Math.Sqrt(
Math.Pow(inpnt.X - v.X, 2) +
Math.Pow(inpnt.Y - v.Y, 2) +
Math.Pow(inpnt.Z - v.Z, 2)
);
double xx = vt.X + Math.Cos(t_direction) * (fromstrt2pnt / distanceapart) * t_distanceapart;
double yy = vt.Y + Math.Sin(t_direction) * (fromstrt2pnt / distanceapart) * t_distanceapart;
int tind = newgroup.TexCoords.Count; newgroup.TexCoords.Add(
new ObjVector2((float)xx, (float)yy));
ObjFacePoint point_in = new ObjFacePoint();
point_in.Vertex_Index = nip_key;
point_in.TexCoord_Index = tind;
newpoints.Add(point_in);
}
}
face.Points = newpoints;
}
}
#endregion
#region Save OBJ
AdvConsole.WriteLine(ConsoleColor.Green,
"Saving OBJ"
);
string DetermineMTLSaveName()
{
string filewithoutext = Path.GetDirectoryName(
Path.GetFullPath(file_source)) +
Path.GetFileNameWithoutExtension(
file_source);
string mtlfilename = filewithoutext + ".mtl";
int i = 0;
while (File.Exists(mtlfilename))
{
mtlfilename = filewithoutext + i.ToString() + ".mtl";
i += 1;
}
return(mtlfilename);
}
Obj newobj = new Obj();
newobj.Groups.Add("newgroup", newgroup);
newobj.Save(file_dest, DetermineMTLSaveName());
#endregion
}
catch (Exception ex)
{
WriteError("Could not complete program\n" +
ex.Message);
}
}
private ObjFace ProcessFace(string[] data)
{
ObjFace face = new ObjFace();
for (int i = 0; i < 3; i++)
{
string[] faceData = data[i + 1].Split(new[] { '/' });
// Ensure we've allocated arrays for this type of data.
if (faceData.Length >= 1) // Position only
{
if (face.Positions == null)
{
face.Positions = new int[3];
}
}
if (faceData.Length >= 2 && faceData[1] != "") // Potentially no Texcoord
{
if (face.TexCoords == null)
{
face.TexCoords = new int[3];
}
}
if (faceData.Length >= 3) // Position + Normal, Potentially no Texcoord
{
if (face.Normals == null)
{
face.Normals = new int[3];
}
}
if (faceData.Length >= 1)
{
int posIndex;
bool bHasPos = int.TryParse(faceData[0], out posIndex);
if (bHasPos)
{
face.Positions[i] = posIndex - 1;
}
}
if (faceData.Length >= 2)
{
int texCoordIndex;
bool bHasTexcoord = int.TryParse(faceData[1], out texCoordIndex);
if (bHasTexcoord)
{
face.TexCoords[i] = texCoordIndex - 1;
}
}
if (faceData.Length >= 3)
{
int normalIndex;
bool bHasNormal = int.TryParse(faceData[2], out normalIndex);
if (bHasNormal)
{
face.Normals[i] = normalIndex - 1;
}
}
}
return(face);
}
private static void ParseFace(ObjContext objContext, string[] token)
{
if (objContext == null)
{
throw new ArgumentNullException("objContext");
}
if (token == null)
{
throw new ArgumentNullException("token");
}
if (token.Length < 3)
{
throw new ArgumentException("wrong array length", "token");
}
if (objContext.Groups.Count == 0)
{
throw new InvalidOperationException("no group");
}
ObjGroup objGroup = objContext.Groups[objContext.Groups.Count - 1];
if (objGroup.Geometries.Count == 0)
{
throw new InvalidOperationException("no geometry");
}
ObjGeometry objGeometry = objGroup.Geometries[objGroup.Geometries.Count - 1];
ObjFace objFace = new ObjFace();
foreach (string values in token)
{
string[] indices = Regex.Split(values, "/");
int[] indicesValues = Array.ConvertAll(indices, delegate(string item) {
if (String.IsNullOrEmpty(item) == false)
{
return(Int32.Parse(item, NumberFormatInfo.InvariantInfo));
}
else
{
return(Int32.MinValue);
}
});
int indexVertex = indicesValues[0];
int indexNormal = indicesValues[2];
int indexTexCoord = indicesValues[1];
ObjFaceCoord objFaceCoord = new ObjFaceCoord();
// Position
if (indexVertex < 0)
{
indexVertex = objContext.Vertices.Count + indexVertex + 1;
}
objFaceCoord.VertexIndex = indexVertex - 1;
// Normal (optional)
if (indexNormal != Int32.MinValue)
{
if (indexNormal < 0)
{
indexNormal = objContext.Normals.Count + indexNormal + 1;
}
objFaceCoord.NormalIndex = indexNormal - 1;
}
// Tex coord (optional)
if (indexTexCoord != Int32.MinValue)
{
if (indexTexCoord < 0)
{
indexTexCoord = objContext.TextureCoords.Count + indexTexCoord + 1;
}
objFaceCoord.TexCoordIndex = indexTexCoord - 1;
}
objFace.Coords.Add(objFaceCoord);
}
objGeometry.Faces.Add(objFace);
}
private Mesh GetMesh(ObjModel model)
{
Mesh m = new Mesh
{
name = Name
};
int count = FaceList.Count * 3;
List <Vector3> verticesList = new List <Vector3>();
List <Vector3> normalList = new List <Vector3>();
List <Vector2> uvList = new List <Vector2>();
bool hasNormal = false;
List <int[]> triangleList = new List <int[]>();
//用于保存顶点索引（全局） 与当前mesh中 顶点的索引
Dictionary <string, int> indexDict = new Dictionary <string, int>();
//按照材质去找面
foreach (string matName in MatsList)
{
List <ObjFace> faces = FaceList.FindAll((ObjFace o) =>
{
if (o.MatName == matName)
{
return(true);
}
return(false);
});
int[] triangles = new int[faces.Count * 3];
int idx = 0;
//
for (int i = 0; i < faces.Count; i++)
{
ObjFace face = faces[i];
string[] f = face.FaceStr;
for (int j = 0; j < f.Length; j++)
{
string[] indexs = f[j].Split('/');
int vIndex = int.Parse(indexs[0]);
int nIndex = -1;
int uIndex = -1;
if (indexs.Length > 2 && indexs[2] != "")
{
nIndex = int.Parse(indexs[2]);
hasNormal = true;
}
//法线索引
if (indexs.Length > 1 && indexs[1] != "")
{
uIndex = int.Parse(indexs[1]);
}
string key = vIndex + "|" + uIndex + "|" + nIndex;
if (indexDict.ContainsKey(key))
{
triangles[idx] = indexDict[key];
}
else
{
triangles[idx] = verticesList.Count;
indexDict[key] = verticesList.Count;
verticesList.Add(model.VertexList[vIndex - 1]);
normalList.Add(nIndex == -1 ? Vector3.zero : model.NormalList[nIndex - 1]);
uvList.Add(uIndex == -1 ? Vector2.zero : model.UVList[uIndex - 1]);
}
idx++;
}
}
triangleList.Add(triangles);
}
m.vertices = verticesList.ToArray();
m.normals = normalList.ToArray();
m.uv = uvList.ToArray();
m.subMeshCount = triangleList.Count;
for (int i = 0; i < triangleList.Count; i++)
{
m.SetTriangles(triangleList[i], i);
}
if (!hasNormal)
{
m.RecalculateNormals();
}
m.RecalculateBounds();
return(m);
}
public void AddFace(ObjFace face)
{
_faces.Add(face);
}
/// <summary>
/// 解析obj文件
/// </summary>
/// <param name="objPath"></param>
/// <returns></returns>
public static ObjModel ParseObj(string objContent, string objName = "obj")
{
if (string.IsNullOrEmpty(objContent))
{
return(null);
}
ObjModel model = new ObjModel(objName);
string matName = "Standard";
string[] allLines = objContent.Split('\n');
//将文本化后的obj文件内容按行分割
foreach (string line in allLines)
{
if (string.IsNullOrEmpty(line) || line[0] == '#' || string.IsNullOrEmpty(line))
{
continue;
}
//去掉多余的空格 有的中间会是2个空格
string temp = line.Trim().Replace(" ", " ");
string[] chars = temp.Split(' ');
if (chars.Length <= 1)
{
continue;
}
//移除第一个空格前的字符 如 v f vt vn
string data = temp.Remove(0, temp.IndexOf(' ') + 1);
//根据第一个字符来判断数据的类型
switch (chars[0])
{
case "mtllib":
model.MtlName = data;
break;
//处理顶点
case "v":
model.VertexList.Add(StringToVector3(chars));
break;
//处理法线
case "vn":
model.NormalList.Add(StringToVector3(chars));
break;
//处理UV
case "vt":
model.UVList.Add(StringToVector3(chars));
break;
case "g":
case "o":
model.AddObjPart(data);
break;
//使用的材质球名字
case "usemtl":
matName = data;
break;
//处理面
case "f":
if (model.LastPart == null)
{
continue;
}
//3个点
if (chars.Length >= 4)
{
string[] faceStr = new string[] { chars[1], chars[2], chars[3] };
ObjFace face = new ObjFace(matName, faceStr);
model.LastPart.FaceList.Add(face);
}
//4个点 相当于2个面
if (chars.Length >= 5)
{
string[] faceStr = new string[] { chars[3], chars[4], chars[1] };
ObjFace face = new ObjFace(matName, faceStr);
model.LastPart.FaceList.Add(face);
}
if (model.LastPart.MatsList.Contains(matName) == false)
{
model.LastPart.MatsList.Add(matName);
}
break;
}
}
return(model);
}
private ObjFace ProcessFace(string[] data)
{
ObjFace face = new ObjFace();
for (int i = 0; i < 3; i++)
{
string[] faceData = data[i + 1].Split(new[] { '/' });
// Ensure we've allocated arrays for this type of data.
if (faceData.Length >= 1) // Position only
if (face.Positions == null) face.Positions = new int[3];
if (faceData.Length >= 2 && faceData[1] != "") // Potentially no Texcoord
if (face.TexCoords == null) face.TexCoords = new int[3];
if (faceData.Length >= 3) // Position + Normal, Potentially no Texcoord
if (face.Normals == null) face.Normals = new int[3];
if (faceData.Length >= 1)
{
int posIndex;
bool bHasPos = int.TryParse(faceData[0], out posIndex);
if (bHasPos) face.Positions[i] = posIndex - 1;
}
if (faceData.Length >= 2)
{
int texCoordIndex;
bool bHasTexcoord = int.TryParse(faceData[1], out texCoordIndex);
if (bHasTexcoord) face.TexCoords[i] = texCoordIndex - 1;
}
if (faceData.Length >= 3)
{
int normalIndex;
bool bHasNormal = int.TryParse(faceData[2], out normalIndex);
if (bHasNormal) face.Normals[i] = normalIndex - 1;
}
}
return face;
}
// Read the obj file.
private void ReadObjFile(string dir, string objfile)
{
char[] whitespace = { ' ', '\t' };
List <string> unknown = new List <string>();
// The current smoothing group.
int smoothingGroup = 0;
// The current material name.
string curMatName = "";
// Read the file.
using (StreamReader file = new System.IO.StreamReader(dir + objfile))
{
while (!file.EndOfStream)
{
// Read the next line.
string line = CleanLine(file.ReadLine());
if (line.Length == 0)
{
continue;
}
string[] fields = line.Split(whitespace, StringSplitOptions.RemoveEmptyEntries);
switch (fields[0])
{
case "o": // Object model.
case "g": // Group.
// Only create a new one if the current one isn't empty.
if ((NewObjectModel == null) || (NewObjectModel.Faces.Count > 0))
{
NewObjectModel = new ObjModel();
AllObjectModels.Add(NewObjectModel);
}
NewObjectModel.MaterialName = curMatName;
if (fields.Length > 1)
{
NewObjectModel.Name = fields[1];
}
smoothingGroup = 0;
break;
case "v": // Vertex.
double x = double.Parse(fields[1]);
double y = double.Parse(fields[2]);
double z = double.Parse(fields[3]);
AllVertices.Add(new Point3D(x, y, z));
break;
case "vt": // Texture coordinates.
double u = double.Parse(fields[1]);
double v = double.Parse(fields[2]);
AllTextureCoordinates.Add(new Point(u, v));
break;
case "vn": // Normal.
double nx = double.Parse(fields[1]);
double ny = double.Parse(fields[2]);
double nz = double.Parse(fields[3]);
AllNormals.Add(new Vector3D(nx, ny, nz));
break;
case "f": // Face.
ObjFace face = new ObjFace(
AllVertices, AllNormals, AllTextureCoordinates, line);
face.SmoothingGroup = smoothingGroup;
NewObjectModel.Faces.Add(face);
NewObjectModel.MaterialName = curMatName;
break;
case "s": // Smoothing.
if (fields.Length == 0)
{
smoothingGroup = 0;
}
else if (fields[1] == "off")
{
smoothingGroup = 0;
}
else if (fields[1] == "on")
{
smoothingGroup = 1;
}
else if (!int.TryParse(fields[1], out smoothingGroup))
{
smoothingGroup = 0;
}
break;
case "usemtl": // Material.
if (fields.Length > 1)
{
curMatName = fields[1];
}
break;
case "mtllib": // Material file.
string mtlfile = line.Substring(6).Trim();
ReadMtlFile(dir, mtlfile);
break;
default:
if (!unknown.Contains(fields[0]))
{
unknown.Add(fields[0]);
}
break;
}
}
}
// If the final model is empty, remove it.
if (AllObjectModels[AllObjectModels.Count - 1].Faces.Count == 0)
{
AllObjectModels.RemoveAt(AllObjectModels.Count - 1);
}
// List unknown tokens.
if (unknown.Count > 0)
{
Console.WriteLine("Unknown obj tokens:");
foreach (string token in unknown)
{
Console.WriteLine(" " + token);
}
}
}
public ObjFile Import(string modelPath)
{
try
{
buffer = File.ReadAllBytes(modelPath);
}
catch
{
Console.WriteLine("Could not find model: " + modelPath);
return(null);
}
int[][] sections = ParseFile();
Dictionary <int, object[]> parsedSections = new Dictionary <int, object[]>();
foreach (int[] section in sections)
{
switch (section[1])
{
case AnimationDataTag:
//Debug.Log("animation data");
parsedSections[section[2]] = ParseAnimationData(section[0] + 12, section[3], section[2]);
break;
case AuthorTag:
//Debug.Log("author tag");
parsedSections[section[2]] = ParseAuthor(section[0] + 12, section[3], section[2]);
break;
case MaterialGroupTag:
//Debug.Log("material group tag");
parsedSections[section[2]] = ParseMaterialGroup(section[0] + 12, section[3], section[2]);
break;
case MaterialTag:
//Debug.Log("material tag");
parsedSections[section[2]] = ParseMaterial(section[0] + 12, section[3], section[2]);
break;
case Object3DTag:
//Debug.Log("object3d tag");
parsedSections[section[2]] = ParseObject3D(section[0] + 12, section[3], section[2]);
break;
case ModelDataTag:
//Debug.Log("model data tag");
parsedSections[section[2]] = ParseModelData(section[0] + 12, section[3], section[2]);
break;
case GeometryTag:
//Debug.Log("geometry tag");
parsedSections[section[2]] = ParseGeometry(section[0] + 12, section[3], section[2]);
break;
case TopologyTag:
//Debug.Log("topology tag");
parsedSections[section[2]] = ParseTopology(section[0] + 12, section[3], section[2]);
break;
case TopologyIpTag:
//Debug.Log("topologyIP tag");
parsedSections[section[2]] = ParseTopologyIp(section[0] + 12, section[3], section[2]);
break;
}
if ((uint)section[1] == PassthroughTag)
{
parsedSections[section[2]] = ParsePassthroughGp(section[0] + 12, section[3], section[2]);
}
}
ObjFile obj = new ObjFile();
foreach (int[] section in sections)
{
if (section[1] == ModelDataTag)
{
object[] modelData = parsedSections[section[2]];
if ((int)modelData[3] == 6)
{
continue;
}
string modelId = "model-" + ((object[])modelData[2])[1];
object[] geometry = parsedSections[(int)parsedSections[(int)modelData[4]][2]];
object[] topology = parsedSections[(int)parsedSections[(int)modelData[4]][3]];
List <short[]> faces = (List <short[]>)topology[4];
List <float[]> vertices = (List <float[]>)geometry[6];
List <float[]> uvs = (List <float[]>)geometry[7];
List <float[]> normals = (List <float[]>)geometry[8];
float[] position = (float[])((object[])modelData[2])[5];
foreach (short[] face in faces)
{
ObjFace objFace = new ObjFace();
objFace.Vertices.Add(new ObjTriplet(face[0] + 1, face[0] + 1, face[0] + 1));
objFace.Vertices.Add(new ObjTriplet(face[1] + 1, face[1] + 1, face[1] + 1));
objFace.Vertices.Add(new ObjTriplet(face[2] + 1, face[2] + 1, face[2] + 1));
obj.Faces.Add(objFace);
}
foreach (float[] vertex in vertices)
{
obj.Vertices.Add(new ObjVertex(vertex[0] + position[0], vertex[1] + position[1],
vertex[2] + position[2]));
}
foreach (float[] uv in uvs)
{
obj.TextureVertices.Add(new ObjVector3(uv[0], -uv[1], 0));
}
foreach (float[] normal in normals)
{
obj.VertexNormals.Add(new ObjVector3(normal[0], normal[1], normal[2]));
}
}
}
return(obj);
}