private void 打开OToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                var filename = this.openFileDialog1.FileName;
                ThreeDSParser parser = new ThreeDSParser();
                this.chunkTree = parser.Parse(filename);
                this.simpleChunkTree = BuildSimpleTree(this.chunkTree) as MainChunk;

                this.fullTree = BuildTreeNode(this.chunkTree);
                this.simpleTree = BuildTreeNode(this.simpleChunkTree);

                this.treeView1.Nodes.Clear();
                this.treeView1.Nodes.Add(this.fullTree);
                this.treeView1.ExpandAll();

                this.Text = string.Format("{0} - 3DS Chunk Viewer - http://bitzhuwei.cnblogs.com", filename);
                this.chkHideUndefinedChunks.Enabled = true;
            }
        }
        private void openToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.open3DSDlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                try
                {
                    var parser = new ThreeDSParser();
                    var filename = this.open3DSDlg.FileName;
                    var tree = parser.Parse(filename);
                    ThreeDSModel4LegacyOpenGL model = null;
                    tree.Dump(out model);
                    if (model.Entities == null)
                    {
                        MessageBox.Show("No entity found!");
                        return;
                    }
                    var builder = new StringBuilder();
                    int i = 1;
                    bool emptyVerticesFound = false, emptyIndicesFound = false, emptyTexCoordsFound = false;
                    foreach (var entity in model.Entities)
                    {
                        builder.Append("entity "); builder.Append(i++); builder.Append(":");
                        if (entity.Vertexes == null)
                        {
                            if (!emptyVerticesFound)
                            { MessageBox.Show("No vertices in some entity!"); emptyVerticesFound = true; }
                        }
                        else
                        { builder.Append(" "); builder.Append(entity.Vertexes.Length); builder.Append(" vertices"); }

                        if (entity.TriangleIndexes == null)
                        {
                            if (!emptyIndicesFound)
                            {
                                MessageBox.Show("No faces in some entity.");
                                emptyIndicesFound = true;
                            }
                        }
                        else
                        { builder.Append(" "); builder.Append(entity.TriangleIndexes.Length); builder.Append(" indices"); }

                        if (entity.TexCoords == null)
                        {
                            if (!emptyTexCoordsFound)
                            {
                                MessageBox.Show("No UV in some entity.");
                                emptyTexCoordsFound = true;
                            }
                        }
                        else
                        { builder.Append(" "); builder.Append(entity.TexCoords.Length); builder.Append(" UVs"); }

                        builder.AppendLine();
                    }

                    if (i == 1)
                    { builder.Append("no entity found."); }

                    this.model = model;

                    MessageBox.Show(builder.ToString(), "Info");
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Error");
                }
            }
        }
        private void lineTextureToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (open3DSDlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                var parser = new ThreeDSParser();
                var filename = this.open3DSDlg.FileName;
                var file = new FileInfo(open3DSDlg.FileName);

                var tree = parser.Parse(filename);
                ThreeDSModel4LegacyOpenGL model = null;
                tree.Dump(out model);
                if (model.Entities == null)
                {
                    MessageBox.Show("No entity found!");
                    return;
                }

                int uvMapCount = 0;
                int uvMapLength = 500;
                var pens = new Pen[] { new Pen(Color.Red), new Pen(Color.Green), new Pen(Color.Blue) };
                int penIndex = 0;
                foreach (var entity in model.Entities)
                {
                    foreach (var item in entity.usingMaterialIndexesList)
                    {
                        using (var uvMap = new Bitmap(uvMapLength, uvMapLength))
                        {
                            var graphics = Graphics.FromImage(uvMap);
                            var material = model.MaterialDict[item.Item1];

                            if (entity.TexCoords != null && entity.TriangleIndexes != null)
                            {
                                foreach (var usingIndex in item.Item2)
                                {
                                    var tri = entity.TriangleIndexes[usingIndex];
                                    var uv1 = entity.TexCoords[tri.vertex1];
                                    var uv2 = entity.TexCoords[tri.vertex2];
                                    var uv3 = entity.TexCoords[tri.vertex3];
                                    var p1 = new Point((int)(uv1.U * uvMapLength), (int)(uv1.V * uvMapLength));
                                    var p2 = new Point((int)(uv2.U * uvMapLength), (int)(uv2.V * uvMapLength));
                                    var p3 = new Point((int)(uv3.U * uvMapLength), (int)(uv3.V * uvMapLength));
                                    graphics.DrawLine(pens[penIndex], p1, p2);
                                    graphics.DrawLine(pens[penIndex], p2, p3);
                                    graphics.DrawLine(pens[penIndex], p3, p1);
                                    penIndex = (penIndex + 1 == pens.Length) ? 0 : penIndex + 1;
                                }
                            }
                            else
                            {
                                graphics.FillRectangle(new SolidBrush(Color.Gray), 0, 0, uvMapLength, uvMapLength);
                            }
                            uvMap.Save(Path.Combine(file.DirectoryName,
                                string.Format("{0}-{1}-{2}.bmp", file.Name, uvMapCount++, item.Item1)));

                            graphics.Dispose();
                        }

                    }
                }

                Process.Start("explorer", file.DirectoryName);
            }
        }