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Formatting (again)

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This commit is contained in:
Samuele Lorefice
2025-05-02 16:25:03 +02:00
parent a7337dd1d6
commit f03d907441
1 changed files with 38 additions and 43 deletions
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81
BlendFile/Reader.cs
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@@ -49,9 +49,7 @@ public class Reader {
/// </summary>
/// <param name="memAddr">memory address in current system endianness</param>
/// <returns>A <see cref="Kaitai.BlendFile.FileBlock"/> object</returns>
public FileBlock? GetBlock(long memAddr)
{
public FileBlock? GetBlock(long memAddr) {
var blocks = OrderedBlocks.Where(x =>
memAddr >= x.MemAddr.ToPointer() && memAddr < x.MemAddr.ToPointer() + x.LenBody);
@@ -91,17 +89,17 @@ public class Reader {
var file = new KaitaiStream(_path);
var blend = new Kaitai.BlendFile(file);
OrderedBlocks = blend.Blocks.OrderBy(x => x.MemAddr.ToPointer()).ToList();
var startAddr = OrderedBlocks.Skip(1).SkipWhile(x => x.Code != "DNA1").First().MemAddr.ToPointer();
var endAddr = OrderedBlocks.Last().MemAddr.ToPointer();
Console.WriteLine($"Start offset: 0x{startAddr:X}");
Console.WriteLine($"End offset: 0x{endAddr:X}");
Console.WriteLine($"Size in MB: {((endAddr - startAddr) / 1024 / 1024)}");
bool isLe = blend.Hdr.Endian == Endian.Le;
//TODO: two blocks somehow have the same mem address... this sounds wrong.
blend.Blocks.ForEach(block => memBlocks.TryAdd(block.MemAddr.ToMemAddr(isLe), block));
@@ -139,7 +137,7 @@ public class Reader {
// get all fields that are pointers
var list = fieldInfo.Where(fldInfo =>
fldInfo.GetCustomAttributes().OfType<DNAFieldAttribute>().FirstOrDefault()?.IsPointer ?? false).ToList();
list.AddRange(fieldInfo.Where(fldInfo =>
fldInfo.GetCustomAttributes().OfType<DNAArrayAttribute>().FirstOrDefault()?.IsPointer ?? false));
@@ -149,7 +147,7 @@ public class Reader {
var addr = GetBlockFieldDataOffset(obj.Key.Item1, f.GetCustomAttribute<DNAFieldAttribute>()!.OriginalIndex,
fieldInfo);
// dereference the pointer
addr = pointers.GetValueOrDefault(addr);
addr = pointers.GetValueOrDefault(addr);
if (addr == IntPtr.Zero) continue; // null pointer
// get the object that the pointer is pointing to if we've already converted it
var newobj = objects.GetValueOrDefault((addr, f.FieldType));
@@ -299,69 +297,67 @@ public class Reader {
return null;
}
private static int[] CalculateArrayIndices(List<int> sizes, int index)
{
private static int[] CalculateArrayIndices(List<int> sizes, int index) {
int[] indexArray = new int[sizes.Count];
for (int k = 0; k < sizes.Count; k++) {
indexArray[k] = index/sizes[(k+1) ..].Aggregate(1, (a, b) => a * b) % sizes[k];
indexArray[k] = index / sizes[(k + 1) ..].Aggregate(1, (a, b) => a * b) % sizes[k];
}
return indexArray;
}
private Array FillPointersArray(DNAArrayAttribute arrayAttribute, byte[] data,
Type type, List<int> sizes)
{
Type type, List<int> sizes) {
//Create the array
var array = Array.CreateInstance(type, sizes.ToArray());
for (int i = 0; i < arrayAttribute.Size; i += 8) {
for (int i = 0; i < arrayAttribute.Size; i += 8) {
var itemData = new byte[8];
Array.Copy(data, i, itemData, 0, 8);
if(itemData.ToPointer() == IntPtr.Zero) continue;
if (itemData.ToPointer() == IntPtr.Zero) continue;
object? cellData = ActivateInstance(type);
FillObject(itemData.ToPointer(), ref cellData, type.GetFields());
var indexArray = CalculateArrayIndices(sizes, i);
var indexArray = CalculateArrayIndices(sizes, i);
array.SetValue(cellData, indexArray);
}
return array;
}
private Array FillNormalTypeArray(DNAArrayAttribute arrayAttribute, byte[] data, FileBlock block, Type type, List<int> sizes, int itemLenght, int offset)
{
private Array FillNormalTypeArray(DNAArrayAttribute arrayAttribute, byte[] data, FileBlock block, Type type,
List<int> sizes, int itemLenght, int offset) {
var array = Array.CreateInstance(type, sizes.ToArray());
for (int i = 0; i < arrayAttribute.Size; i += itemLenght) {
for (int i = 0; i < arrayAttribute.Size; i += itemLenght) {
var itemData = new byte[itemLenght];
Array.Copy(data, i, itemData, 0, itemLenght);
object? cellData = ConvertFieldData(itemData, arrayAttribute.OriginalType);
var indexArray = CalculateArrayIndices(sizes, i);
array.SetValue(cellData, indexArray);
}
return array;
}
private Array FillCustomTypeArray(DNAArrayAttribute arrayAttribute, byte[] data, FileBlock block, Type type, List<int> sizes, int itemLenght, int offset)
{
private Array FillCustomTypeArray(DNAArrayAttribute arrayAttribute, byte[] data, FileBlock block, Type type,
List<int> sizes, int itemLenght, int offset) {
var array = Array.CreateInstance(type, sizes.ToArray());
for (int i = 0; i < arrayAttribute.Size; i += itemLenght) {
for (int i = 0; i < arrayAttribute.Size; i += itemLenght) {
var itemData = new byte[itemLenght];
Array.Copy(data, i, itemData, 0, itemLenght);
object? cellData = ActivateInstance(type);
FillObject(block, ref cellData, type.GetFields(), offset + i);
var indexArray = CalculateArrayIndices(sizes, i);
array.SetValue(cellData, indexArray);
}
return array;
}
@@ -375,24 +371,23 @@ public class Reader {
int dataLength = arrayAttribute.Size;
var data = new byte[dataLength];
Array.Copy((byte[])block.Body, offset, data, 0, dataLength);
//Gather Array type
var type = Type.GetType(arrayAttribute.OriginalType.ParseFType()) ?? dnaTypesDb[arrayAttribute.OriginalType];
if (type == null) throw new NotSupportedException($"Unknown type \"{arrayAttribute.OriginalType}\"");
if(arrayAttribute.IsPointer){
if (arrayAttribute.IsPointer) {
return FillPointersArray(arrayAttribute, data, type, sizes);
}
if (!dnaTypesDb.ContainsKey(arrayAttribute.OriginalType)) {
return FillNormalTypeArray(arrayAttribute, data, block, type, sizes, arrayAttribute.OriginalType.ParseFSize()!.Value, offset.ToInt32());
if (!dnaTypesDb.ContainsKey(arrayAttribute.OriginalType)) {
return FillNormalTypeArray(arrayAttribute, data, block, type, sizes,
arrayAttribute.OriginalType.ParseFSize()!.Value, offset.ToInt32());
}
int itemLenght = type.GetCustomAttribute<DNAFieldAttribute>()?.Size ??
type.GetCustomAttribute<DNAClassAttribute>()!.Size;
return FillCustomTypeArray(arrayAttribute, data, block, type, sizes, itemLenght, offset.ToInt32());
}
private object? ConvertListField(FileBlock block, FieldInfo field, DNAListAttribute attrib, IntPtr startOffset) {