internal nuint Read(Native.SDL_RWops *_, void *ptr, nuint size, nuint maxnum)
{
uint numberRead = 0;
var sizeNumber = (uint)size;
var maxNumNumber = (uint)maxnum;
var bytePointer = (byte *)ptr;
var byteIndex = 0;
bool InBounds() => _index + sizeNumber < _array.Length;
if (_isClosed || !InBounds())
{
return(0);
}
while (maxNumNumber > 0 && InBounds())
{
maxNumNumber--;
numberRead++;
for (var index = 0; index < sizeNumber; index++)
{
bytePointer[byteIndex++] = _array[_index++];
}
}
return(numberRead);
}
internal long Seek(Native.SDL_RWops *_, long offset, SeekType whence)
{
var newIndex = _index;
switch (whence)
{
case SeekType.Set:
newIndex = (int)offset;
break;
case SeekType.Current:
newIndex += (int)offset;
break;
case SeekType.End:
newIndex = _array.Length + (int)offset;
break;
}
if (newIndex < 0 || newIndex >= _array.Length)
{
return(-1);
}
_index = newIndex;
return(_index);
}
internal int Close(Native.SDL_RWops *_)
{
if (_isClosed)
{
return(-1);
}
_isClosed = true;
return(0);
}
internal static nuint Write(Native.SDL_RWops *_1, void *_2, nuint _3, nuint _4) => 0;
public long Size(Native.SDL_RWops *_) => _isClosed ? -1 : _array.Length;
#pragma warning disable IDE1006, RCS1163
internal UIntPtr Write(Native.SDL_RWops *_1, void *_2, UIntPtr _3, UIntPtr _4) => UIntPtr.Zero;
