private static void CreateLayoutRecurse(Type type, int baseOffset, List <Layout> layouts, ref int begin,
ref int end, ref int typeHash)
{
var fields = type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
var fieldsWithOffset = new FieldData[fields.Length];
for (int i = 0; i != fields.Length; i++)
{
fieldsWithOffset[i].Offset = UnsafeUtility.GetFieldOffset(fields[i]);
fieldsWithOffset[i].Field = fields[i];
}
Array.Sort(fieldsWithOffset, (a, b) => a.Offset - b.Offset);
foreach (var fieldWithOffset in fieldsWithOffset)
{
var field = fieldWithOffset.Field;
var fixedBuffer = GetFixedBufferAttribute(field);
var offset = baseOffset + fieldWithOffset.Offset;
if (fixedBuffer != null)
{
var stride = UnsafeUtility.SizeOf(fixedBuffer.ElementType);
for (int i = 0; i < fixedBuffer.Length; ++i)
{
CreateLayoutRecurse(fixedBuffer.ElementType, offset + i * stride, layouts, ref begin, ref end, ref typeHash);
}
}
else if (field.FieldType.IsPrimitive || field.FieldType.IsPointer || field.FieldType.IsClass || field.FieldType.IsEnum)
{
CombineHash(ref typeHash, offset, (int)Type.GetTypeCode(field.FieldType));
var sizeOf = -1;
if (field.FieldType.IsPointer || field.FieldType.IsClass)
{
sizeOf = UnsafeUtility.SizeOf <PointerSize>();
}
else if (field.FieldType.IsEnum)
{
//@TODO: Workaround IL2CPP bug
// sizeOf = UnsafeUtility.SizeOf(field.FieldType);
sizeOf = UnsafeUtility.SizeOf(field.FieldType.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)[0].FieldType);
}
else
{
sizeOf = UnsafeUtility.SizeOf(field.FieldType);
}
if (end != offset)
{
layouts.Add(new Layout {
offset = begin, count = end - begin, Aligned4 = false
});
begin = offset;
end = offset + sizeOf;
}
else
{
end += sizeOf;
}
}
else
{
CreateLayoutRecurse(field.FieldType, offset, layouts, ref begin, ref end, ref typeHash);
}
}
}
private static void CreateLayoutRecurse(Type type, int baseOffset, List <Layout> layouts, ref int begin, ref int end, ref int typeHash)
{
FieldInfo[] fields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
FieldData[] array = new FieldData[fields.Length];
int index = 0;
while (true)
{
if (index == fields.Length)
{
Array.Sort <FieldData>(array, (a, b) => a.Offset - b.Offset);
foreach (FieldData data in array)
{
FieldInfo field = data.Field;
FixedBufferAttribute fixedBufferAttribute = GetFixedBufferAttribute(field);
int num3 = baseOffset + data.Offset;
if (fixedBufferAttribute != null)
{
int num4 = UnsafeUtility.SizeOf(fixedBufferAttribute.ElementType);
int num5 = 0;
while (true)
{
if (num5 >= fixedBufferAttribute.Length)
{
break;
}
CreateLayoutRecurse(fixedBufferAttribute.ElementType, num3 + (num5 * num4), layouts, ref begin, ref end, ref typeHash);
num5++;
}
}
else
{
int isEnum;
if ((field.FieldType.IsPrimitive || field.FieldType.IsPointer) || field.FieldType.IsClass)
{
isEnum = 1;
}
else
{
isEnum = (int)field.FieldType.IsEnum;
}
if (isEnum == 0)
{
CreateLayoutRecurse(field.FieldType, num3, layouts, ref begin, ref end, ref typeHash);
}
else
{
int[] values = new int[] { num3, (int)Type.GetTypeCode(field.FieldType) };
CombineHash(ref typeHash, values);
int num6 = -1;
if (field.FieldType.IsPointer || field.FieldType.IsClass)
{
num6 = UnsafeUtility.SizeOf <PointerSize>();
}
else if (field.FieldType.IsEnum)
{
num6 = UnsafeUtility.SizeOf(field.FieldType.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance)[0].FieldType);
}
else
{
num6 = UnsafeUtility.SizeOf(field.FieldType);
}
if (end == num3)
{
end += num6;
}
else
{
Layout item = new Layout {
offset = begin,
count = end - begin,
Aligned4 = false
};
layouts.Add(item);
begin = num3;
end = num3 + num6;
}
}
}
}
return;
}
array[index].Offset = UnsafeUtility.GetFieldOffset(fields[index]);
array[index].Field = fields[index];
index++;
}
}