示例#1
0
            internal static MeshDef Load(FileSystem fs, string path)
            {
                MeshDef def = new MeshDef();

                using (Stream s = fs.open(path))
                {
                    BinaryReader br        = new BinaryReader(s);
                    int          version   = br.ReadInt32();
                    int          materials = br.ReadInt32();
                    for (int materialid = 0; materialid < materials; ++materialid)
                    {
                        MeshDef.MaterialDef m = def.addMaterial("m" + materialid.ToString());
                        m.texture   = br.ReadString();
                        m.ambient   = vec3.Read(br);
                        m.diffuse   = vec3.Read(br);
                        m.specular  = vec3.Read(br);
                        m.emissive  = vec3.Read(br);
                        m.alpha     = br.ReadSingle();
                        m.shininess = br.ReadSingle();
                    }
                    int bonecount = br.ReadInt32();
                    for (int boneid = 0; boneid < bonecount; ++boneid)
                    {
                        MeshDef.Bone bone = def.newBone();
                        bone.name   = br.ReadString();
                        bone.parent = br.ReadInt32();
                        bone.pos    = vec3.Read(br);
                        vec3 qv = vec3.Read(br);
                        bone.rot = new quat(br.ReadSingle(), qv);
                    }
                    int pointcount = br.ReadInt32();
                    for (int pointid = 0; pointid < pointcount; ++pointid)
                    {
                        int  boneid = br.ReadInt32();
                        vec3 p      = new vec3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
                        def.addPoint(p, boneid);
                    }
                    int uvcount = br.ReadInt32();
                    for (int uvid = 0; uvid < uvcount; ++uvid)
                    {
                        vec2 v = new vec2(br.ReadSingle(), br.ReadSingle());
                        def.AddUv(v);
                    }
                    int normalcount = br.ReadInt32();
                    for (int normalid = 0; normalid < normalcount; ++normalid)
                    {
                        vec3 p = new vec3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
                        def.addNomal(p);
                    }

                    for (int materialid = 0; materialid < materials; ++materialid)
                    {
                        def.selectMaterial("m" + materialid.ToString());
                        int tricount = br.ReadInt32();
                        for (int triid = 0; triid < tricount; ++triid)
                        {
                            MeshDef.VertexData[] data = new MeshDef.VertexData[3];
                            for (int i = 0; i < 3; ++i)
                            {
                                data[i].vertex = br.ReadInt32();
                                data[i].uv     = br.ReadInt32();
                                data[i].normal = br.ReadInt32();
                            }
                            def.addTri(new MeshDef.Tri(data));
                        }
                    }
                }
                return(def);
            }
示例#2
0
            public static MeshDef Load(FileSystem fs, string path)
            {
                MeshDef mesh = new MeshDef();

                using (var file = fs.open(path))
                {
                    foreach (string l in FileUtil.LinesIn(file))
                    {
                        string line = l.Trim();
                        if (string.IsNullOrEmpty(line) == false && line[0] != '#')
                        {
                            string[] data = line.Split(" \t".ToCharArray());
                            if (data[0] == "v")
                            {
                                mesh.addPoint(new vec3(floatParse(data[1]), floatParse(data[2]), floatParse(data[3])), -1);
                            }
                            else if (data[0] == "vt")
                            {
                                mesh.AddUv(new vec2(floatParse(data[1]), floatParse(data[2])));
                            }
                            else if (data[0] == "vn")
                            {
                                mesh.addNomal(new vec3(floatParse(data[1]), floatParse(data[2]), floatParse(data[3])));
                            }
                            else if (data[0] == "f")
                            {
                                List <MeshDef.VertexData> vd = new List <MeshDef.VertexData>();
                                for (int i = 1; i < data.Length; ++i)
                                {
                                    string[]           ind = data[i].Split("/".ToCharArray());
                                    MeshDef.VertexData v   = new MeshDef.VertexData();
                                    v.vertex = int.Parse(ind[0]) - 1;
                                    v.uv     = int.Parse(ind[1]) - 1;
                                    v.normal = int.Parse(ind[2]) - 1;
                                    vd.Add(v);
                                }
                                if (vd.Count < 3)
                                {
                                    throw new Exception("Face data incomplete");
                                }
                                for (int i = 2; i < vd.Count; ++i)
                                {
                                    List <MeshDef.VertexData> arr = new List <MeshDef.VertexData>();
                                    arr.Add(vd[0]);
                                    arr.Add(vd[1]);
                                    arr.Add(vd[i]);
                                    mesh.addTri(new MeshDef.Tri(arr.ToArray()));
                                }
                            }
                            else if (data[0] == "usemtl")
                            {
                                mesh.selectMaterial(data[1].Trim());
                            }
                            else if (data[0] == "mtllib")
                            {
                                LoadMaterialLibrary(mesh, fs, Resolve(path, data[1].Trim()));
                            }
                        }
                    }
                }
                return(mesh);
            }