Parse GMX files
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KillzXGaming
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@ -6,10 +6,12 @@ using System.Threading.Tasks;
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using Switch_Toolbox;
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using System.Windows.Forms;
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using Switch_Toolbox.Library;
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using Switch_Toolbox.Library.IO;
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using Switch_Toolbox.Library.Rendering;
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namespace FirstPlugin
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{
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public class GMX : IFileFormat
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public class GMX : TreeNodeFile, IFileFormat
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{
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public FileType FileType { get; set; } = FileType.Model;
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@ -37,9 +39,18 @@ namespace FirstPlugin
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}
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}
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public Header GMXHeader;
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public void Load(System.IO.Stream stream)
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{
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GMXHeader = new Header();
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GMXHeader.Read(new FileReader(stream));
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for (int i = 0; i < GMXHeader.Meshes.Count; i++)
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{
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var node = new TreeNode($"Mesh ({i})");
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node.Tag = GMXHeader.Meshes[i];
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Nodes.Add(node);
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}
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}
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public void Unload()
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{
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@ -49,5 +60,235 @@ namespace FirstPlugin
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{
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return null;
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}
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public class Header
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{
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public uint HeaderSize;
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public Header()
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{
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HeaderSize = 8;
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}
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public List<MESH> Meshes = new List<MESH>();
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public void Read(FileReader reader)
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{
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reader.ReadSignature(4, "GMX2");
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reader.SetByteOrder(true);
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HeaderSize = reader.ReadUInt32();
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while (reader.Position < reader.BaseStream.Length)
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{
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long pos = reader.Position;
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string Magic = reader.ReadString(4);
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uint SectionSize = reader.ReadUInt32();
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Console.WriteLine($"Magic {Magic}");
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reader.SeekBegin(pos);
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switch (Magic)
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{
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case "PADX":
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PADX padding = new PADX();
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padding.Read(reader);
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break;
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case "INDX":
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INDX indexGrp = new INDX();
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indexGrp.Read(reader);
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GetLastMesh().IndexGroup = indexGrp;
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break;
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case "VMAP":
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VMAP vmap = new VMAP();
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vmap.Read(reader);
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GetLastMesh().VMapGroup = vmap;
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break;
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case "MESH":
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MESH mesh = new MESH();
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mesh.Read(reader);
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Meshes.Add(mesh);
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break;
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case "VERT":
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VERT vert = new VERT();
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vert.Read(reader, GetLastMesh());
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GetLastMesh().VertexGroup = vert;
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break;
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case "ENDX":
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reader.ReadSignature(4, "ENDX");
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uint EndSectionSize = reader.ReadUInt32();
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break;
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default:
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throw new Exception("Unknown section! " + Magic);
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}
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reader.SeekBegin(pos + SectionSize);
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}
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}
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public MESH GetLastMesh()
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{
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return Meshes[Meshes.Count - 1];
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}
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public void Write(FileWriter writer)
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{
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writer.WriteSignature("GMX2");
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writer.Write(HeaderSize);
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}
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public class VERT
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{
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public List<Vertex> Vertices = new List<Vertex>();
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public void Read(FileReader reader, MESH mesh)
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{
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reader.ReadSignature(4, "VERT");
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uint SectionSize = reader.ReadUInt32();
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if (mesh.VertexSize == 32)
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{
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for (int v = 0; v < mesh.VertexCount; v++)
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{
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Vertex vert = new Vertex();
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vert.pos = reader.ReadVec3();
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vert.nrm = reader.ReadVec3();
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vert.uv0 = reader.ReadVec2();
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Vertices.Add(vert);
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}
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}
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else if (mesh.VertexSize == 36)
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{
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for (int v = 0; v < mesh.VertexCount; v++)
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{
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Vertex vert = new Vertex();
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uint Unknown = reader.ReadUInt32(); //Bone index?
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vert.pos = reader.ReadVec3();
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vert.nrm = reader.ReadVec3();
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vert.uv0 = reader.ReadVec2();
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Vertices.Add(vert);
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Console.WriteLine($"Unknown {Unknown}");
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}
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}
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else
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throw new Exception($"Unsupported Vertex Size {mesh.VertexSize}");
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}
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public void Write(FileWriter writer)
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{
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writer.WriteSignature("VERT");
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}
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}
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public class MESH
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{
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public INDX IndexGroup { get; set; }
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public VERT VertexGroup { get; set; }
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public VMAP VMapGroup { get; set; }
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public ushort VertexSize { get; set; }
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public ushort VertexCount { get; set; }
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public uint FaceCount { get; set; }
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public void Read(FileReader reader)
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{
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reader.ReadSignature(4, "MESH");
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uint SectionSize = reader.ReadUInt32();
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uint Padding = reader.ReadUInt32();
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VertexSize = reader.ReadUInt16();
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VertexCount = reader.ReadUInt16();
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uint Padding2 = reader.ReadUInt32();
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FaceCount = reader.ReadUInt32();
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uint Padding3 = reader.ReadUInt32();
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uint Padding4 = reader.ReadUInt32();
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uint Padding5 = reader.ReadUInt32();
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uint Padding6 = reader.ReadUInt32();
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}
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public void Write(FileWriter writer)
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{
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writer.WriteSignature("MESH");
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writer.Write(0);
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writer.Write(VertexSize);
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writer.Write(VertexCount);
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writer.Write(0);
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writer.Write(FaceCount);
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writer.Write(0);
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writer.Write(0);
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writer.Write(0);
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writer.Write(0);
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}
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}
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public class INDX
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{
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public ushort[] Indices;
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public void Read(FileReader reader)
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{
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reader.ReadSignature(4, "INDX");
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uint SectionSize = reader.ReadUInt32();
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uint FaceCount = (SectionSize - 8) / sizeof(ushort);
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Indices = new ushort[FaceCount];
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for (int i = 0; i < FaceCount; i++)
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{
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Indices[i] = reader.ReadUInt16();
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}
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}
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public void Write(FileWriter writer)
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{
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writer.WriteSignature("INDX");
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writer.Write(Indices.Length * sizeof(ushort) - 8);
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for (int i = 0; i < Indices.Length; i++)
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writer.Write(Indices[i]);
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}
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}
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public class VMAP
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{
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public ushort[] Indices;
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public void Read(FileReader reader)
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{
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reader.ReadSignature(4, "VMAP");
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uint SectionSize = reader.ReadUInt32();
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uint FaceCount = (SectionSize - 8) / sizeof(ushort);
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Indices = new ushort[FaceCount];
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for (int i = 0; i < FaceCount; i++)
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{
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Indices[i] = reader.ReadUInt16();
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}
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}
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public void Write(FileWriter writer)
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{
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writer.WriteSignature("VMAP");
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writer.Write(Indices.Length * sizeof(ushort) - 8);
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for (int i = 0; i < Indices.Length; i++)
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writer.Write(Indices[i]);
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}
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}
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public class PADX
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{
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public void Read(FileReader reader)
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{
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reader.ReadSignature(4, "PADX");
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uint SectionSize = reader.ReadUInt32();
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}
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public void Write(FileWriter writer, uint Alignment)
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{
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writer.WriteSignature("PADX");
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writer.Write(Alignment - 8);
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for (int i = 0; i < Alignment; i++)
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writer.Write(byte.MaxValue);
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}
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}
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}
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}
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}
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@ -336,6 +336,8 @@ namespace FirstPlugin
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Formats.Add(typeof(RARC));
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Formats.Add(typeof(ME01));
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Formats.Add(typeof(LM2_DICT));
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Formats.Add(typeof(GMX));
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//Formats.Add(typeof(GFA));
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//Unfinished wip formats not ready for use
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