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mirror of synced 2024-11-15 11:33:20 +01:00
Switch-Toolbox/File_Format_Library/FileFormats/Grezzo/CMB.cs
2019-08-03 15:23:05 -04:00

1605 lines
63 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Toolbox.Library.Forms;
using Toolbox.Library;
using Toolbox.Library.IO;
using Toolbox.Library.Rendering;
using Grezzo.CmbEnums;
using OpenTK.Graphics.OpenGL;
namespace FirstPlugin
{
public class CMB : TreeNodeFile, IFileFormat
{
public FileType FileType { get; set; } = FileType.Layout;
public bool CanSave { get; set; }
public string[] Description { get; set; } = new string[] { "CMB" };
public string[] Extension { get; set; } = new string[] { "*.cmb" };
public string FileName { get; set; }
public string FilePath { get; set; }
public IFileInfo IFileInfo { get; set; }
public bool Identify(System.IO.Stream stream)
{
using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
{
return reader.CheckSignature(4, "cmb ");
}
}
public Type[] Types
{
get
{
List<Type> types = new List<Type>();
return types.ToArray();
}
}
Viewport viewport
{
get
{
var editor = LibraryGUI.GetObjectEditor();
return editor.GetViewport();
}
set
{
var editor = LibraryGUI.GetObjectEditor();
editor.LoadViewport(value);
}
}
bool DrawablesLoaded = false;
public override void OnClick(TreeView treeView)
{
if (Runtime.UseOpenGL)
{
if (viewport == null)
{
viewport = new Viewport(ObjectEditor.GetDrawableContainers());
viewport.Dock = DockStyle.Fill;
}
if (!DrawablesLoaded)
{
ObjectEditor.AddContainer(DrawableContainer);
DrawablesLoaded = true;
}
viewport.ReloadDrawables(DrawableContainer);
LibraryGUI.LoadEditor(viewport);
viewport.Text = Text;
}
}
public CMB_Renderer Renderer;
public DrawableContainer DrawableContainer = new DrawableContainer();
public Header header;
STTextureFolder texFolder;
STSkeleton Skeleton;
public void Load(System.IO.Stream stream)
{
Renderer = new CMB_Renderer();
DrawableContainer.Drawables.Add(Renderer);
Skeleton = new STSkeleton();
//These models/skeletons come out massive so scale them with an overridden scale
Skeleton.PreviewScale = Renderer.PreviewScale;
Skeleton.BonePointScale = 40;
DrawableContainer.Drawables.Add(Skeleton);
header = new Header();
header.Read(new FileReader(stream));
Text = header.Name;
DrawableContainer.Name = Text;
//Load textures
if (header.SectionData.TextureChunk != null)
{
texFolder = new TextureFolder("Texture");
TreeNode meshFolder = new TreeNode("Meshes");
TreeNode materialFolder = new TreeNode("Materials");
TreeNode skeletonFolder = new TreeNode("Skeleton");
List<STGenericMaterial> materials = new List<STGenericMaterial>();
bool HasTextures = header.SectionData.TextureChunk != null &&
header.SectionData.TextureChunk.Textures.Count != 0;
bool HasMeshes = header.SectionData.SkeletalMeshChunk != null &&
header.SectionData.SkeletalMeshChunk.ShapeChunk.SeperateShapes.Count != 0;
bool HasSkeleton = header.SectionData.SkeletonChunk != null &&
header.SectionData.SkeletonChunk.Bones.Count != 0;
bool HasMaterials = header.SectionData.MaterialChunk != null &&
header.SectionData.MaterialChunk.Materials.Count != 0;
if (HasSkeleton)
{
foreach (var bone in header.SectionData.SkeletonChunk.Bones)
{
STBone genericBone = new STBone(Skeleton);
genericBone.parentIndex = bone.ParentIndex;
genericBone.position = new float[3];
genericBone.scale = new float[3];
genericBone.rotation = new float[4];
genericBone.Checked = true;
genericBone.Text = $"Bone {bone.ID}";
genericBone.RotationType = STBone.BoneRotationType.Euler;
genericBone.position[0] = bone.Translation.X;
genericBone.position[1] = bone.Translation.Y;
genericBone.position[2] = bone.Translation.Z;
genericBone.scale[0] = bone.Scale.X;
genericBone.scale[1] = bone.Scale.Y;
genericBone.scale[2] = bone.Scale.Z;
genericBone.rotation[0] = bone.Rotation.X;
genericBone.rotation[1] = bone.Rotation.Y;
genericBone.rotation[2] = bone.Rotation.Z;
Skeleton.bones.Add(genericBone);
}
foreach (var bone in Skeleton.bones)
{
if (bone.Parent == null)
skeletonFolder.Nodes.Add(bone);
}
Skeleton.reset();
Skeleton.update();
}
if (HasTextures)
{
int texIndex = 0;
foreach (var tex in header.SectionData.TextureChunk.Textures)
{
var texWrapper = new CTXB.TextureWrapper();
texWrapper.Text = $"Texture {texIndex++}";
texWrapper.ImageKey = "texture";
texWrapper.SelectedImageKey = texWrapper.ImageKey;
if (tex.Name != string.Empty)
texWrapper.Text = tex.Name;
texWrapper.Width = tex.Width;
texWrapper.Height = tex.Height;
texWrapper.Format = CTR_3DS.ConvertPICAToGenericFormat(tex.PicaFormat);
texWrapper.ImageData = tex.ImageData;
texFolder.Nodes.Add(texWrapper);
Renderer.TextureList.Add(texWrapper);
}
}
if (HasMaterials)
{
int materialIndex = 0;
foreach (var mat in header.SectionData.MaterialChunk.Materials)
{
CMBMaterialWrapper material = new CMBMaterialWrapper(mat);
material.Text = $"Material {materialIndex++}";
materialFolder.Nodes.Add(material);
materials.Add(material);
bool HasDiffuse = false;
foreach (var tex in mat.TextureMaps)
{
if (tex.TextureIndex != -1)
{
CMBTextureMapWrapper matTexture = new CMBTextureMapWrapper(tex);
matTexture.TextureIndex = tex.TextureIndex;
material.TextureMaps.Add(matTexture);
if (tex.TextureIndex < Renderer.TextureList.Count && tex.TextureIndex >= 0)
{
matTexture.Name = Renderer.TextureList[tex.TextureIndex].Text;
material.Nodes.Add(matTexture.Name);
}
if (!HasDiffuse && matTexture.Name != "bg_syadowmap") //Quick hack till i do texture env stuff
{
matTexture.Type = STGenericMatTexture.TextureType.Diffuse;
HasDiffuse = true;
}
}
}
}
}
if (HasMeshes)
{
int MeshIndex = 0;
foreach (var mesh in header.SectionData.SkeletalMeshChunk.MeshChunk.Meshes)
{
STGenericMaterial mat = new STGenericMaterial();
if (materials.Count > mesh.MaterialIndex) //Incase materials for some reason are in a seperate file, check this
mat = materials[mesh.MaterialIndex];
CmbMeshWrapper genericMesh = new CmbMeshWrapper(mat);
genericMesh.Text = $"Mesh {MeshIndex++}";
genericMesh.MaterialIndex = mesh.MaterialIndex;
//Wow this is long
var shape = header.SectionData.SkeletalMeshChunk.ShapeChunk.SeperateShapes[(int)mesh.SepdIndex];
genericMesh.Shape = shape;
//Now load the vertex and face data
if (shape.Position.VertexData != null)
{
int VertexCount = shape.Position.VertexData.Length;
for (int v = 0; v < VertexCount; v++)
{
Vertex vert = new Vertex();
vert.pos = new OpenTK.Vector3(
shape.Position.VertexData[v].X,
shape.Position.VertexData[v].Y,
shape.Position.VertexData[v].Z);
if (shape.Normal.VertexData != null && shape.Normal.VertexData.Length > v)
{
vert.nrm = new OpenTK.Vector3(
shape.Normal.VertexData[v].X,
shape.Normal.VertexData[v].Y,
shape.Normal.VertexData[v].Z).Normalized();
}
if (shape.Color.VertexData != null && shape.Color.VertexData.Length > v)
{
vert.col = new OpenTK.Vector4(
shape.Color.VertexData[v].X,
shape.Color.VertexData[v].Y,
shape.Color.VertexData[v].Z,
shape.Color.VertexData[v].W).Normalized();
}
if (shape.TexCoord0.VertexData != null && shape.TexCoord0.VertexData.Length > v)
{
vert.uv0 = new OpenTK.Vector2(
shape.TexCoord0.VertexData[v].X,
shape.TexCoord0.VertexData[v].Y);
}
if (shape.TexCoord1.VertexData != null)
{
}
if (shape.TexCoord2.VertexData != null)
{
}
for (int i = 0; i < 16; i++)
{
if (i < shape.Primatives[0].BoneIndexTable.Length)
{
int boneId = shape.Primatives[0].BoneIndexTable[i];
if (shape.Primatives[0].SkinningMode == SkinningMode.RIGID_SKINNING)
{
vert.pos = OpenTK.Vector3.TransformPosition(vert.pos, Skeleton.bones[boneId].Transform);
vert.nrm = OpenTK.Vector3.TransformNormal(vert.nrm, Skeleton.bones[boneId].Transform);
}
}
}
bool HasSkinning = shape.Primatives[0].SkinningMode != SkinningMode.SINGLE_BONE
&& shape.BoneIndices.Type == CmbDataType.UByte; //Noclip checks the type for ubyte so do the same
bool HasWeights = shape.Primatives[0].SkinningMode == SkinningMode.SMOOTH_SKINNING;
/* if (shape.BoneIndices.VertexData != null && HasSkinning && shape.BoneIndices.VertexData.Length > v)
{
var BoneIndices = shape.BoneIndices.VertexData[v];
for (int j = 0; j < shape.boneDimension; j++)
{
ushort index = shape.Primatives[0].BoneIndexTable[(uint)BoneIndices[j]];
vert.boneIds.Add((int)index);
}
}
if (shape.BoneWeights.VertexData != null && HasWeights && shape.BoneWeights.VertexData.Length > v)
{
var BoneWeights = shape.BoneWeights.VertexData[v];
for (int j = 0; j < shape.boneDimension; j++)
{
vert.boneWeights.Add(BoneWeights[j]);
}
}*/
genericMesh.vertices.Add(vert);
}
}
foreach (var prim in shape.Primatives)
{
STGenericPolygonGroup group = new STGenericPolygonGroup();
genericMesh.PolygonGroups.Add(group);
for (int i = 0; i < prim.Primatives[0].Indices.Length; i++)
{
group.faces.Add((int)prim.Primatives[0].Indices[i]);
}
}
Renderer.Meshes.Add(genericMesh);
meshFolder.Nodes.Add(genericMesh);
}
}
if (meshFolder.Nodes.Count > 0)
Nodes.Add(meshFolder);
if (skeletonFolder.Nodes.Count > 0)
Nodes.Add(skeletonFolder);
if (materialFolder.Nodes.Count > 0)
Nodes.Add(materialFolder);
if (texFolder.Nodes.Count > 0)
Nodes.Add(texFolder);
materials.Clear();
}
}
public void Unload()
{
}
public byte[] Save()
{
return null;
}
public enum CMBVersion
{
OOT3DS,
MM3DS,
LM3DS,
}
public class CMBMaterialWrapper : STGenericMaterial
{
public Material Material { get; set; }
public CMBMaterialWrapper(Material material)
{
Material = material;
}
}
public class CMBTextureMapWrapper : STGenericMatTexture
{
public int TextureIndex { get; set; }
public TextureMap TextureMapData;
public CMBTextureMapWrapper(TextureMap texMap)
{
TextureMapData = texMap;
this.WrapModeS = ConvertWrapMode(TextureMapData.WrapS);
this.WrapModeT = ConvertWrapMode(TextureMapData.WrapT);
this.MinFilter = ConvertMinFilterMode(TextureMapData.MinFiler);
this.MagFilter = ConvertMagFilterMode(TextureMapData.MagFiler);
}
private STTextureMinFilter ConvertMinFilterMode(ushort PicaFilterMode)
{
switch ((TextureFilter)PicaFilterMode)
{
case TextureFilter.LINEAR: return STTextureMinFilter.Linear;
case TextureFilter.LINEAR_MIPMAP_LINEAR: return STTextureMinFilter.LinearMipMapNearest;
case TextureFilter.LINEAR_MIPMAP_NEAREST: return STTextureMinFilter.NearestMipmapLinear;
case TextureFilter.NEAREST: return STTextureMinFilter.Nearest;
case TextureFilter.NEAREST_MIPMAP_LINEAR: return STTextureMinFilter.NearestMipmapLinear;
case TextureFilter.NEAREST_MIPMAP_NEAREST: return STTextureMinFilter.NearestMipmapNearest;
default: return 0;
}
}
private STTextureMagFilter ConvertMagFilterMode(ushort PicaFilterMode)
{
switch ((TextureFilter)PicaFilterMode)
{
case TextureFilter.LINEAR: return STTextureMagFilter.Linear;
case TextureFilter.NEAREST: return STTextureMagFilter.Nearest;
default: return 0;
}
}
private STTextureWrapMode ConvertWrapMode(ushort PicaWrapMode)
{
switch ((CMBTextureWrapMode)PicaWrapMode)
{
case CMBTextureWrapMode.REPEAT: return STTextureWrapMode.Repeat;
case CMBTextureWrapMode.MIRRORED_REPEAT: return STTextureWrapMode.Mirror;
case CMBTextureWrapMode.CLAMP: return STTextureWrapMode.Clamp;
case CMBTextureWrapMode.CLAMP_TO_EDGE: return STTextureWrapMode.Clamp;
default: return STTextureWrapMode.Repeat;
}
}
}
public class CmbMeshWrapper : GenericRenderedObject
{
public SeperateShape Shape { get; set; }
STGenericMaterial material;
public CmbMeshWrapper(STGenericMaterial mat) {
material = mat;
}
public override STGenericMaterial GetMaterial()
{
return material;
}
}
private class TextureFolder : STTextureFolder, ITextureIconLoader
{
public List<STGenericTexture> IconTextureList
{
get
{
List<STGenericTexture> textures = new List<STGenericTexture>();
foreach (STGenericTexture node in Nodes)
textures.Add(node);
return textures;
}
set {}
}
public TextureFolder(string text) : base(text)
{
}
}
public class Header
{
public string Name { get; set; }
public CMBVersion Version;
public uint ChunkCount; //Fixed count per game
public uint Unknown;
public SectionData SectionData;
public void Read(FileReader reader)
{
string magic = reader.ReadSignature(4, "cmb ");
uint FileSize = reader.ReadUInt32();
ChunkCount = reader.ReadUInt32();
Unknown = reader.ReadUInt32();
Name = reader.ReadString(0x10).TrimEnd('\0');
//Check the chunk count used by the game
if (ChunkCount == 0x0F)
Version = CMBVersion.LM3DS;
else if (ChunkCount == 0x0A)
Version = CMBVersion.MM3DS;
else if (ChunkCount == 0x06)
Version = CMBVersion.OOT3DS;
else
throw new Exception("Unexpected chunk count! " + ChunkCount);
SectionData = new SectionData();
SectionData.Read(reader, this);
}
public void Write(FileWriter writer)
{
writer.WriteSignature("cmb ");
writer.Write(uint.MaxValue); //Reserve space for file size offset
writer.Write(ChunkCount);
writer.Write(Unknown);
writer.WriteString(Name, 0x10);
SectionData.Write(writer, this);
//Write the total file size
using (writer.TemporarySeek(4, System.IO.SeekOrigin.Begin))
{
writer.Write((uint)writer.BaseStream.Length);
}
}
}
public class SectionData
{
public SkeletonChunk SkeletonChunk;
public QuadTreeChunk QuadTreeChunk;
public MaterialChunk MaterialChunk;
public TextureChunk TextureChunk;
public SkeletalMeshChunk SkeletalMeshChunk;
public LUTSChunk LUTSChunk;
public VertexAttributesChunk VertexAttributesChunk;
public ushort[] Indices;
public void Read(FileReader reader, Header header)
{
uint numIndices = reader.ReadUInt32();
SkeletonChunk = ReadChunkSection<SkeletonChunk>(reader, header);
if (header.Version >= CMBVersion.MM3DS)
QuadTreeChunk = ReadChunkSection<QuadTreeChunk>(reader, header);
MaterialChunk = ReadChunkSection<MaterialChunk>(reader, header);
TextureChunk = ReadChunkSection<TextureChunk>(reader, header);
SkeletalMeshChunk = ReadChunkSection<SkeletalMeshChunk>(reader, header);
LUTSChunk = ReadChunkSection<LUTSChunk>(reader, header);
VertexAttributesChunk = ReadChunkSection<VertexAttributesChunk>(reader, header);
uint indexBufferOffset = reader.ReadUInt32();
uint textureDataOffset = reader.ReadUInt32();
if (header.Version >= CMBVersion.MM3DS)
reader.ReadUInt32(); //Padding?
if (VertexAttributesChunk != null)
{
long bufferStart = VertexAttributesChunk.StartPosition;
foreach (var shape in SkeletalMeshChunk.ShapeChunk.SeperateShapes)
{
ReadVertexDataFromSlice(reader, VertexAttributesChunk.PositionSlice, shape.Position, 3, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.NormalSlice, shape.Normal, 3, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.TangentSlice, shape.Tangent, 3, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.ColorSlice, shape.Color, 4, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.Texcoord0Slice, shape.TexCoord0, 2, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.Texcoord1Slice, shape.TexCoord1, 2, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.Texcoord2Slice, shape.TexCoord2, 2, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.BoneIndicesSlice, shape.BoneIndices, shape.boneDimension, bufferStart);
ReadVertexDataFromSlice(reader, VertexAttributesChunk.BoneWeightsSlice, shape.BoneWeights, shape.boneDimension, bufferStart);
}
}
if (indexBufferOffset != 0)
{
foreach (var shape in SkeletalMeshChunk.ShapeChunk.SeperateShapes)
{
foreach (var prim in shape.Primatives)
{
foreach (var subprim in prim.Primatives) //Note 3DS usually only has one sub primative
{
subprim.Indices = new uint[subprim.IndexCount];
reader.SeekBegin(indexBufferOffset + subprim.Offset);
switch (subprim.IndexType)
{
case CmbDataType.UByte:
for (int i = 0; i < subprim.IndexCount; i++)
subprim.Indices[i] = reader.ReadByte();
break;
case CmbDataType.UShort:
for (int i = 0; i < subprim.IndexCount; i++)
subprim.Indices[i] = reader.ReadUInt16();
break;
case CmbDataType.UInt:
for (int i = 0; i < subprim.IndexCount; i++)
subprim.Indices[i] = reader.ReadUInt32();
break;
default:
throw new Exception("Unsupported index type! " + subprim.IndexType);
}
}
}
}
}
foreach (var tex in TextureChunk.Textures)
{
reader.SeekBegin(textureDataOffset + tex.DataOffset);
tex.ImageData = reader.ReadBytes((int)tex.ImageSize);
}
}
private static void ReadVertexDataFromSlice(FileReader reader, BufferSlice Slice, SepdVertexAttribute VertexAttribute, int elementCount, long bufferStart)
{
if (Slice == null || Slice.Size == 0)
return;
reader.SeekBegin(bufferStart + VertexAttribute.StartPosition + Slice.Offset);
int StrideSize = CalculateStrideSize(VertexAttribute.Type, elementCount);
int VertexCount = (int)Slice.Size / StrideSize;
Console.WriteLine($"{VertexAttribute.GetType()} {VertexAttribute.Type} {elementCount} {StrideSize} {VertexCount}");
VertexAttribute.VertexData = new Syroot.Maths.Vector4F[VertexCount];
for (int v = 0; v < VertexCount; v++)
{
VertexAttribute.VertexData[v] = ReadVertexBufferData(reader, VertexAttribute, elementCount);
}
}
private static Syroot.Maths.Vector4F ReadVertexBufferData(FileReader reader, SepdVertexAttribute VertexAttribute, int elementCount)
{
List<float> values = new List<float>();
for (int i = 0; i < elementCount; i++)
{
switch (VertexAttribute.Type)
{
case CmbDataType.Byte:
values.Add(reader.ReadSByte());
break;
case CmbDataType.Float:
values.Add(reader.ReadSingle());
break;
case CmbDataType.Int:
values.Add(reader.ReadInt32());
break;
case CmbDataType.Short:
values.Add(reader.ReadInt16());
break;
case CmbDataType.UByte:
values.Add(reader.ReadByte());
break;
case CmbDataType.UInt:
values.Add(reader.ReadUInt32());
break;
case CmbDataType.UShort:
values.Add(reader.ReadUInt16());
break;
default: throw new Exception("Unknwon format! " + VertexAttribute.Type);
}
}
while (values.Count < 4) values.Add(0);
return new Syroot.Maths.Vector4F(
values[0] * VertexAttribute.Scale,
values[1] * VertexAttribute.Scale,
values[2] * VertexAttribute.Scale,
values[3] * VertexAttribute.Scale);
}
private static int CalculateStrideSize(CmbDataType type, int elementCount)
{
switch (type)
{
case CmbDataType.Byte: return elementCount * sizeof(sbyte);
case CmbDataType.Float: return elementCount * sizeof(float);
case CmbDataType.Int: return elementCount * sizeof(int);
case CmbDataType.Short: return elementCount * sizeof(short);
case CmbDataType.UByte: return elementCount * sizeof(byte);
case CmbDataType.UInt: return elementCount * sizeof(uint);
case CmbDataType.UShort: return elementCount * sizeof(ushort);
default: throw new Exception("Unknwon format! " + type);
}
}
public void Write(FileWriter writer, Header header)
{
long pos = writer.Position;
writer.Write(Indices != null ? Indices.Length : 0);
//Reserve space for all the offses
writer.Write(0); //SkeletonChunk
if (header.Version >= CMBVersion.MM3DS)
writer.Write(0); //QuadTreeChunk
writer.Write(0); //MaterialChunk
writer.Write(0); //TextureChunk
writer.Write(0); //SkeletalMeshChunk
writer.Write(0); //LUTSChunk
writer.Write(0); //VertexAttributesChunk
writer.Write(0); //indexBufferOffset
writer.Write(0); //textureDataOffset
if (header.Version >= CMBVersion.MM3DS)
writer.Write(0); //padding or unknown unused section
//Write sections and offsets
int _offsetPos = 4;
if (SkeletonChunk != null)
{
writer.WriteUint32Offset(pos + _offsetPos);
SkeletonChunk.Write(writer, header);
}
if (QuadTreeChunk != null && header.Version >= CMBVersion.MM3DS)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
QuadTreeChunk.Write(writer, header);
}
if (MaterialChunk != null)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
MaterialChunk.Write(writer, header);
}
if (TextureChunk != null)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
TextureChunk.Write(writer, header);
}
if (SkeletalMeshChunk != null)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
SkeletalMeshChunk.Write(writer, header);
}
if (LUTSChunk != null)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
LUTSChunk.Write(writer, header);
}
if (VertexAttributesChunk != null)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
VertexAttributesChunk.Write(writer, header);
}
if (Indices != null && Indices.Length > 0)
{
writer.WriteUint32Offset(pos + (_offsetPos += 4));
writer.Write(Indices);
}
if (TextureChunk != null && TextureChunk.Textures.Count > 0)
{
long dataStart = writer.Position;
writer.WriteUint32Offset(pos + (_offsetPos += 4));
//Save image data
foreach (var tex in TextureChunk.Textures)
{
writer.SeekBegin(tex.DataOffset + dataStart);
writer.Write(tex.ImageData);
}
}
}
}
//Connects all the meshes, vertex attributes, and shape data together
public class SkeletalMeshChunk : IChunkCommon
{
private const string Magic = "sklm";
public MeshesChunk MeshChunk { get; set; }
public ShapesChunk ShapeChunk { get; set; }
public void Read(FileReader reader, Header header)
{
long pos = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
MeshChunk = ReadChunkSection<MeshesChunk>(reader, header, pos);
ShapeChunk = ReadChunkSection<ShapesChunk>(reader, header,pos);
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
}
public class MeshesChunk : IChunkCommon
{
private const string Magic = "mshs";
public List<Mesh> Meshes = new List<Mesh>();
public void Read(FileReader reader, Header header)
{
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint meshCount = reader.ReadUInt32();
uint unknown = reader.ReadUInt32();
long meshPos = reader.Position;
for (int i = 0; i < meshCount; i++)
{
if (header.Version == CMBVersion.OOT3DS)
reader.SeekBegin(meshPos + (i * 0x04));
else if (header.Version == CMBVersion.MM3DS)
reader.SeekBegin(meshPos + (i * 0x0C));
else if (header.Version >= CMBVersion.LM3DS)
reader.SeekBegin(meshPos + (i * 0x58));
Mesh mesh = new Mesh();
mesh.SepdIndex = reader.ReadUInt16();
mesh.MaterialIndex = reader.ReadByte();
Meshes.Add(mesh);
}
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
writer.Write(Meshes.Count);
for (int i = 0; i < Meshes.Count; i++)
{
}
}
public class Mesh
{
public ushort SepdIndex { get; set; }
public byte MaterialIndex { get; set; }
}
}
public class ShapesChunk : IChunkCommon
{
private const string Magic = "shp ";
public uint Unknown;
public List<SeperateShape> SeperateShapes = new List<SeperateShape>();
public void Read(FileReader reader, Header header)
{
long pos = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint sepdCount = reader.ReadUInt32();
Unknown = reader.ReadUInt32();
ushort[] offsets = reader.ReadUInt16s((int)sepdCount);
for (int i = 0; i < sepdCount; i++)
{
reader.SeekBegin(pos + offsets[i]);
var sepd= new SeperateShape();
sepd.Read(reader, header);
SeperateShapes.Add(sepd);
}
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
}
public class SeperateShape : IChunkCommon
{
private const string Magic = "sepd";
public SepdVertexAttribute Position { get; set; }
public SepdVertexAttribute Normal { get; set; }
public SepdVertexAttribute Tangent { get; set; }
public SepdVertexAttribute Color { get; set; }
public SepdVertexAttribute TexCoord0 { get; set; }
public SepdVertexAttribute TexCoord1 { get; set; }
public SepdVertexAttribute TexCoord2 { get; set; }
public SepdVertexAttribute BoneIndices { get; set; }
public SepdVertexAttribute BoneWeights { get; set; }
public List<PrimativesChunk> Primatives = new List<PrimativesChunk>();
public ushort boneDimension;
public void Read(FileReader reader, Header header)
{
long pos = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint count = reader.ReadUInt16();
if (header.Version >= CMBVersion.LM3DS)
reader.SeekBegin(pos + 0x3C);
else
reader.SeekBegin(pos + 0x24);
Position = ReadVertexAttrib(reader);
Normal = ReadVertexAttrib(reader);
if (header.Version >= CMBVersion.MM3DS)
Tangent = ReadVertexAttrib(reader);
Color = ReadVertexAttrib(reader);
TexCoord0 = ReadVertexAttrib(reader);
TexCoord1 = ReadVertexAttrib(reader);
TexCoord2 = ReadVertexAttrib(reader);
BoneIndices = ReadVertexAttrib(reader);
BoneWeights = ReadVertexAttrib(reader);
boneDimension = reader.ReadUInt16();
reader.ReadUInt16(); //padding
ushort[] Offsets = reader.ReadUInt16s((int)count);
for (int i = 0; i < count; i++)
{
reader.SeekBegin(pos + Offsets[i]);
PrimativesChunk prim = new PrimativesChunk();
prim.Read(reader, header);
Primatives.Add(prim);
}
}
public void Write(FileWriter writer, Header header)
{
}
private SepdVertexAttribute ReadVertexAttrib(FileReader reader)
{
long pos = reader.Position;
SepdVertexAttribute att = new SepdVertexAttribute();
att.StartPosition = reader.ReadUInt32();
att.Scale = reader.ReadSingle();
att.Type = reader.ReadEnum<CmbDataType>(true);
att.Mode = reader.ReadEnum<SepdVertexAttribMode>(true);
att.Constants = new float[4];
att.Constants[0] = reader.ReadSingle();
att.Constants[1] = reader.ReadSingle();
att.Constants[2] = reader.ReadSingle();
att.Constants[3] = reader.ReadSingle();
reader.SeekBegin(pos + 0x1C);
return att;
}
}
public class SepdVertexAttribute
{
public uint StartPosition { get; set; }
public float Scale { get; set; }
public CmbDataType Type { get; set; }
public SepdVertexAttribMode Mode { get; set; }
public Syroot.Maths.Vector4F[] VertexData { get; set; }
public float[] Constants { get; set; }
}
public class PrimativesChunk : IChunkCommon
{
private const string Magic = "prms";
public SkinningMode SkinningMode;
public List<SubPrimativeChunk> Primatives = new List<SubPrimativeChunk>();
public ushort[] BoneIndexTable { get; set; }
public void Read(FileReader reader, Header header)
{
long pos = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint count = reader.ReadUInt32();
SkinningMode = reader.ReadEnum<SkinningMode>(true);
ushort boneTableCount = reader.ReadUInt16();
uint boneIndexOffset = reader.ReadUInt32();
uint primativeOffset = reader.ReadUInt32();
reader.SeekBegin(pos + boneIndexOffset);
BoneIndexTable = reader.ReadUInt16s(boneTableCount);
reader.SeekBegin(pos + primativeOffset);
for (int i = 0; i < count; i++)
{
SubPrimativeChunk prim = new SubPrimativeChunk();
prim.Read(reader, header);
Primatives.Add(prim);
}
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
}
public class SubPrimativeChunk : IChunkCommon
{
private const string Magic = "prm ";
public SkinningMode SkinningMode { get; private set; }
public CmbDataType IndexType { get; private set; }
public ushort IndexCount { get; private set; }
public uint Offset { get; private set; }
private uint[] _indices;
public uint[] Indices
{
get
{
return _indices;
}
set
{
_indices = value;
}
}
public void Read(FileReader reader, Header header)
{
long pos = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint unknown = reader.ReadUInt32();
uint unknown2 = reader.ReadUInt32();
IndexType = reader.ReadEnum<CmbDataType>(true);
reader.Seek(2); //padding
IndexCount = reader.ReadUInt16();
//This value is the index, so we'll use it as an offset
//Despite the data type, this is always * 2
Offset = (uint)reader.ReadUInt16() * sizeof(ushort);
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
}
public class LUTSChunk : IChunkCommon
{
private const string Magic = "luts";
private byte[] data;
public void Read(FileReader reader, Header header)
{
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
data = reader.getSection((uint)reader.Position, sectionSize);
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
writer.Write(data);
}
}
public class VertexAttributesChunk : IChunkCommon
{
private const string Magic = "vatr";
public BufferSlice PositionSlice;
public BufferSlice NormalSlice;
public BufferSlice TangentSlice; //Used in MM3DS and newer
public BufferSlice ColorSlice;
public BufferSlice Texcoord0Slice;
public BufferSlice Texcoord1Slice;
public BufferSlice Texcoord2Slice;
public BufferSlice BoneIndicesSlice;
public BufferSlice BoneWeightsSlice;
public long StartPosition;
public void Read(FileReader reader, Header header)
{
StartPosition = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint maxIndex = reader.ReadUInt32();
PositionSlice = ReadSlice(reader);
NormalSlice = ReadSlice(reader);
if (header.Version >= CMBVersion.MM3DS)
TangentSlice = ReadSlice(reader);
ColorSlice = ReadSlice(reader);
Texcoord0Slice = ReadSlice(reader);
Texcoord1Slice = ReadSlice(reader);
Texcoord2Slice = ReadSlice(reader);
BoneIndicesSlice = ReadSlice(reader);
BoneWeightsSlice = ReadSlice(reader);
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
private BufferSlice ReadSlice(FileReader reader)
{
BufferSlice slice = new BufferSlice();
slice.Size = reader.ReadUInt32();
slice.Offset = reader.ReadUInt32();
return slice;
}
}
public class BufferSlice
{
public uint Offset;
public uint Size;
}
public class SkeletonChunk : IChunkCommon
{
private const string Magic = "skl ";
public List<BoneChunk> Bones = new List<BoneChunk>();
public uint Unknown;
public void Read(FileReader reader, Header header)
{
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint boneCount = reader.ReadUInt32();
Unknown = reader.ReadUInt32();
for (int i = 0; i < boneCount; i++)
{
BoneChunk bone = new BoneChunk();
bone.ID = reader.ReadInt16() & 0xFFFF;
bone.ParentIndex = reader.ReadInt16();
bone.Scale = reader.ReadVec3SY();
bone.Rotation = reader.ReadVec3SY();
bone.Translation = reader.ReadVec3SY();
if (header.Version >= CMBVersion.MM3DS)
bone.Unknown = reader.ReadInt32();
Bones.Add(bone);
}
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
writer.Write(Bones.Count);
writer.Write(Unknown);
for (int i = 0; i < Bones.Count; i++)
{
writer.Write(Bones[i].ID);
writer.Write(Bones[i].ParentIndex);
writer.Write(Bones[i].Scale);
writer.Write(Bones[i].Rotation);
writer.Write(Bones[i].Translation);
if (header.Version >= CMBVersion.MM3DS)
writer.Write(Bones[i].Unknown);
}
}
}
public class BoneChunk
{
public int ID { get; set; }
public int ParentIndex { get; set; }
public Syroot.Maths.Vector3F Scale { get; set; }
public Syroot.Maths.Vector3F Rotation { get; set; }
public Syroot.Maths.Vector3F Translation { get; set; }
//An unknown value used in versions MM3DS and newer
public int Unknown { get; set; }
}
public class QuadTreeChunk : IChunkCommon
{
private const string Magic = "qtrs";
public void Read(FileReader reader, Header header)
{
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
}
public class MaterialChunk : IChunkCommon
{
private const string Magic = "mats";
public List<Material> Materials = new List<Material>();
internal int textureCombinerSettingsTableOffs;
public void Read(FileReader reader, Header header)
{
long pos = reader.Position;
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint count = reader.ReadUInt32();
int materialSize = 0x15C;
if (header.Version >= CMBVersion.MM3DS)
materialSize = 0x16C;
Console.WriteLine($"materialSize {materialSize.ToString("x")}");
textureCombinerSettingsTableOffs = (int)(pos + (count * materialSize));
for (int i = 0; i < count; i++)
{
reader.SeekBegin(pos + 0xC + (i * materialSize));
Material mat = new Material();
mat.Read(reader, header, this);
Materials.Add(mat);
}
}
public void Write(FileWriter writer, Header header)
{
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
}
}
//Thanks for noclip for material RE stuff
//https://github.com/magcius/noclip.website/blob/9270b9e5022c691703689990f9c536cd9058e5cd/src/oot3d/cmb.ts#L232
public class Material
{
public bool IsTransparent = false;
public CullMode CullMode;
public bool IsPolygonOffsetEnabled;
public uint PolygonOffset;
public TextureMap[] TextureMaps;
public TextureMatrix[] TextureMaticies;
public List<TextureCombiner> TextureCombiners = new List<TextureCombiner>();
public STColor[] ConstantColors;
public bool AlphaTestEnable;
public float AlphaTestReference;
public bool DepthTestEnable;
public bool DepthWriteEnable;
public AlphaFunction AlphaTestFunction;
public DepthFunction DepthTestFunction;
public bool BlendEnaled;
public BlendingFactor BlendingFactorSrcRGB;
public BlendingFactor BlendingFactorDestRGB;
public BlendingFactor BlendingFactorSrcAlpha;
public BlendingFactor BlendingFactorDestAlpha;
public float BlendColorR;
public float BlendColorG;
public float BlendColorB;
public float BlendColorA;
public void Read(FileReader reader, Header header, MaterialChunk materialChunkParent)
{
TextureMaps = new TextureMap[3];
TextureMaticies = new TextureMatrix[3];
long pos = reader.Position;
CullMode = reader.ReadEnum<CullMode>(true); //byte
IsPolygonOffsetEnabled = reader.ReadBoolean(); //byte
PolygonOffset = reader.ReadUInt32();
PolygonOffset = IsPolygonOffsetEnabled ? PolygonOffset / 0x10000 : 0;
//Texture bind data
reader.SeekBegin(pos + 0x10);
for (int j = 0; j < 3; j++)
{
long texPos = reader.Position;
TextureMaps[j] = new TextureMap();
TextureMaps[j].TextureIndex = reader.ReadInt16();
TextureMaps[j].MinFiler = reader.ReadUInt16();
TextureMaps[j].MagFiler = reader.ReadUInt16();
TextureMaps[j].WrapS = reader.ReadUInt16();
TextureMaps[j].WrapT = reader.ReadUInt16();
TextureMaps[j].MinLOD = reader.ReadSingle();
TextureMaps[j].LodBias = reader.ReadSingle();
TextureMaps[j].borderColorR = reader.ReadByte();
TextureMaps[j].borderColorG = reader.ReadByte();
TextureMaps[j].borderColorB = reader.ReadByte();
TextureMaps[j].borderColorA = reader.ReadByte();
reader.SeekBegin(texPos + 0x18);
}
for (int j = 0; j < 3; j++)
{
TextureMaticies[j] = new TextureMatrix();
TextureMaticies[j].Flags = reader.ReadUInt32();
TextureMaticies[j].Scale = reader.ReadVec2SY();
TextureMaticies[j].Translate = reader.ReadVec2SY();
TextureMaticies[j].Rotate = reader.ReadSingle();
}
uint unkColor0 = reader.ReadUInt32();
ConstantColors = new STColor[6];
ConstantColors[0] = STColor.FromBytes(reader.ReadBytes(4));
ConstantColors[1] = STColor.FromBytes(reader.ReadBytes(4));
ConstantColors[2] = STColor.FromBytes(reader.ReadBytes(4));
ConstantColors[3] = STColor.FromBytes(reader.ReadBytes(4));
ConstantColors[4] = STColor.FromBytes(reader.ReadBytes(4));
ConstantColors[5] = STColor.FromBytes(reader.ReadBytes(4));
float bufferColorR = reader.ReadSingle();
float bufferColorG = reader.ReadSingle();
float bufferColorB = reader.ReadSingle();
float bufferColorA = reader.ReadSingle();
int bumpTextureIndex = reader.ReadInt16();
int lightEnvBumpUsage = reader.ReadInt16();
// Fragment lighting table.
byte reflectanceRSamplerIsAbs = reader.ReadByte();
ushort reflectanceRSamplerInput = reader.ReadUInt16();
uint reflectanceRSamplerScale = reader.ReadUInt32();
byte reflectanceGSamplerIsAbs = reader.ReadByte();
ushort reflectanceGSamplerInput = reader.ReadUInt16();
uint reflectanceGSamplerScale = reader.ReadUInt32();
byte reflectanceBSamplerIsAbs = reader.ReadByte();
ushort reflectanceBSamplerInput = reader.ReadUInt16();
uint reflectanceBSamplerScale = reader.ReadUInt32();
byte reflectance0SamplerIsAbs = reader.ReadByte();
ushort reflectance0SamplerInput = reader.ReadUInt16();
uint reflectance0SamplerScale = reader.ReadUInt32();
byte reflectance1SamplerIsAbs = reader.ReadByte();
ushort reflectance1SamplerInput = reader.ReadUInt16();
uint reflectance1SamplerScale = reader.ReadUInt32();
byte fresnelSamplerIsAbs = reader.ReadByte();
ushort fresnelSamplerInput = reader.ReadUInt16();
uint fresnelSamplerScale = reader.ReadUInt32();
reader.SeekBegin(pos + 0x120);
uint textureCombinerTableCount = reader.ReadUInt32();
int textureCombinerTableIdx = (int)pos + 0x124;
for (int i = 0; i < textureCombinerTableCount; i++)
{
reader.SeekBegin(textureCombinerTableIdx + 0x00);
ushort textureCombinerIndex = reader.ReadUInt16();
reader.SeekBegin(materialChunkParent.textureCombinerSettingsTableOffs + textureCombinerIndex * 0x28);
TextureCombiner combner = new TextureCombiner();
combner.combineRGB = reader.ReadEnum<CombineResultOpDMP>(false);
combner.combineAlpha = reader.ReadEnum<CombineResultOpDMP>(false);
combner.scaleRGB = reader.ReadEnum<CombineScaleDMP>(false);
combner.scaleAlpha = reader.ReadEnum<CombineScaleDMP>(false);
combner.bufferInputRGB = reader.ReadEnum<CombineBufferInputDMP>(false);
combner.bufferInputAlpha = reader.ReadEnum<CombineBufferInputDMP>(false);
combner.source0RGB = reader.ReadEnum<CombineSourceDMP>(false);
combner.source1RGB = reader.ReadEnum<CombineSourceDMP>(false);
combner.source2RGB = reader.ReadEnum<CombineSourceDMP>(false);
combner.op0RGB = reader.ReadEnum<CombineOpDMP>(false);
combner.op1RGB = reader.ReadEnum<CombineOpDMP>(false);
combner.op2RGB = reader.ReadEnum<CombineOpDMP>(false);
combner.source0Alpha = reader.ReadEnum<CombineSourceDMP>(false);
combner.source1Alpha = reader.ReadEnum<CombineSourceDMP>(false);
combner.source2Alpha = reader.ReadEnum<CombineSourceDMP>(false);
combner.op0Alpha = reader.ReadEnum<CombineOpDMP>(false);
combner.op1Alpha = reader.ReadEnum<CombineOpDMP>(false);
combner.op2Alpha = reader.ReadEnum<CombineOpDMP>(false);
combner.constantIndex = reader.ReadUInt32();
TextureCombiners.Add(combner);
textureCombinerTableIdx += 0x2;
}
reader.SeekBegin(pos + 0x130);
AlphaTestEnable = reader.ReadBoolean();
AlphaTestReference = reader.ReadByte() / 0xFF;
AlphaTestFunction = (AlphaFunction)reader.ReadUInt16();
DepthTestEnable = reader.ReadBoolean();
DepthWriteEnable = reader.ReadBoolean();
DepthTestFunction = (DepthFunction)reader.ReadUInt16();
if (!AlphaTestEnable)
AlphaTestFunction = AlphaFunction.Always;
if (!DepthTestEnable)
DepthTestFunction = DepthFunction.Always;
reader.SeekBegin(pos + 0x138);
BlendEnaled = reader.ReadBoolean();
Console.WriteLine("BlendEnaled " + BlendEnaled);
//Unknown.
reader.ReadByte();
reader.ReadUInt16();
reader.SeekBegin(pos + 0x13C);
BlendingFactorSrcAlpha = (BlendingFactor)reader.ReadUInt16();
BlendingFactorDestAlpha = (BlendingFactor)reader.ReadUInt16();
reader.SeekBegin(pos + 0x144);
BlendingFactorSrcRGB = (BlendingFactor)reader.ReadUInt16();
BlendingFactorDestRGB = (BlendingFactor)reader.ReadUInt16();
// BlendingFunctionAlpha = (AlphaFunction)reader.ReadUInt16();
reader.SeekBegin(pos + 0x14C);
BlendColorR = reader.ReadSingle();
BlendColorG = reader.ReadSingle();
BlendColorB = reader.ReadSingle();
BlendColorA = reader.ReadSingle();
IsTransparent = BlendEnaled;
Console.WriteLine(ToString());
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append($"----------------------------------------------------\n");
sb.Append($"AlphaTest {AlphaTestEnable} {AlphaTestFunction} {AlphaTestReference}\n");
sb.Append($"DepthTest {DepthTestEnable} {DepthTestFunction} DepthWrite {DepthTestFunction}\n");
sb.Append($"BlendingFactorSrcRGB {BlendingFactorSrcRGB}\n");
sb.Append($"BlendingFactorDestRGB {BlendingFactorDestRGB}\n");
sb.Append($"BlendingFactorSrcAlpha {BlendingFactorSrcAlpha}\n");
sb.Append($"BlendingFactorDestAlpha {BlendingFactorDestAlpha}\n");
sb.Append($"BlendEnaled {BlendEnaled}\n");
sb.Append($"----------------------------------------------------\n");
sb.AppendLine();
return sb.ToString();
}
}
public class TextureCombiner
{
public CombineResultOpDMP combineRGB;
public CombineResultOpDMP combineAlpha;
public CombineScaleDMP scaleRGB;
public CombineScaleDMP scaleAlpha;
public CombineBufferInputDMP bufferInputRGB;
public CombineBufferInputDMP bufferInputAlpha;
public CombineSourceDMP source0RGB;
public CombineSourceDMP source1RGB;
public CombineSourceDMP source2RGB;
public CombineOpDMP op0RGB;
public CombineOpDMP op1RGB;
public CombineOpDMP op2RGB;
public CombineSourceDMP source0Alpha;
public CombineSourceDMP source1Alpha;
public CombineSourceDMP source2Alpha;
public CombineOpDMP op0Alpha;
public CombineOpDMP op1Alpha;
public CombineOpDMP op2Alpha;
public uint constantIndex;
}
public class TextureMatrix
{
public uint Flags { get; set; }
public Syroot.Maths.Vector2F Scale { get; set; }
public Syroot.Maths.Vector2F Translate { get; set; }
public float Rotate { get; set; }
}
public class TextureMap
{
public short TextureIndex { get; set; }
public ushort MinFiler { get; set; }
public ushort MagFiler { get; set; }
public ushort WrapS { get; set; }
public ushort WrapT { get; set; }
public float MinLOD { get; set; }
public float LodBias { get; set; }
public byte borderColorR { get; set; }
public byte borderColorG { get; set; }
public byte borderColorB { get; set; }
public byte borderColorA { get; set; }
}
public class TextureChunk : IChunkCommon
{
private const string Magic = "tex ";
public List<CTXB.Texture> Textures = new List<CTXB.Texture>();
public void Read(FileReader reader, Header header)
{
reader.ReadSignature(4, Magic);
uint sectionSize = reader.ReadUInt32();
uint TextureCount = reader.ReadUInt32();
for (int i = 0; i < TextureCount; i++)
Textures.Add(new CTXB.Texture(reader));
}
public void Write(FileWriter writer, Header header)
{
long pos = writer.Position;
writer.WriteSignature(Magic);
writer.Write(uint.MaxValue);//SectionSize
for (int i = 0; i < Textures.Count; i++)
Textures[i].Write(writer);
//Write the total file size
writer.WriteSectionSizeU32(pos + 4, pos, writer.Position);
}
}
public static T ReadChunkSection<T>(FileReader reader, Header header, long startPos = 0)
where T : IChunkCommon, new()
{
long pos = reader.Position;
//Read offset and seek it
uint offset = reader.ReadUInt32();
reader.SeekBegin(startPos + offset);
//Create chunk instance
T chunk = new T();
chunk.Read(reader, header);
//Seek back and shift 4 from reading offset
reader.SeekBegin(pos + 0x4);
return chunk;
}
public interface IChunkCommon
{
void Read(FileReader reader, Header header);
void Write(FileWriter writer, Header header);
}
}
}