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Improved conversion of struct arrays to/from byte arrays

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dexy
2022-05-08 20:54:21 +10:00
Unverified
parent df77346daf
commit 9904e92082
3 changed files with 71 additions and 35 deletions
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CodeWalker.Core/GameFiles/Resources/ResourceData.cs
+25 -10
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@@ -369,15 +369,22 @@ namespace CodeWalker.GameFiles
//var result2 = new T[count];
//Buffer.BlockCopy(data, 0, result2, 0, (int)length); //error: "object must be an array of primitives" :(
//var result = new T[count];
//GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
//var h = handle.AddrOfPinnedObject();
//for (uint i = 0; i < count; i++)
//{
// result[i] = Marshal.PtrToStructure<T>(h + (int)(i * structsize));
//}
//handle.Free();
var result = new T[count];
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
GCHandle handle = GCHandle.Alloc(result, GCHandleType.Pinned);
var h = handle.AddrOfPinnedObject();
for (uint i = 0; i < count; i++)
{
result[i] = Marshal.PtrToStructure<T>(h + (int)(i * structsize));
}
Marshal.Copy(data, 0, h, (int)length);
handle.Free();
if (cache) arrayPool[(long)position] = result;
return result;
@@ -388,13 +395,21 @@ namespace CodeWalker.GameFiles
var result = new T[count];
var length = count * structsize;
byte[] data = ReadBytes((int)length);
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
//GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
//var h = handle.AddrOfPinnedObject();
//for (uint i = 0; i < count; i++)
//{
// result[i] = Marshal.PtrToStructure<T>(h + (int)(i * structsize));
//}
//handle.Free();
GCHandle handle = GCHandle.Alloc(result, GCHandleType.Pinned);
var h = handle.AddrOfPinnedObject();
for (uint i = 0; i < count; i++)
{
result[i] = Marshal.PtrToStructure<T>(h + (int)(i * structsize));
}
Marshal.Copy(data, 0, h, (int)length);
handle.Free();
return result;
}