historical/toontown-classic.git/panda/include/reversedNumericData.I
2024-01-16 11:20:27 -06:00

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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file reversedNumericData.I
* @author drose
* @date 2001-05-09
*/
/**
* This constructor accepts the address of a numeric variable, and its sizeof.
*/
INLINE ReversedNumericData::
ReversedNumericData(const void *data, size_t length) {
reverse_assign((const char *)data, length);
}
/**
* This constructor accepts a pointer to a data array containing a packed
* numeric value, the offset within the array at which the numeric value
* starts, and the size of the numeric value.
*
* It is essential that the array not be destructed or modified as long as the
* NumericData object remains; it may just store a pointer into that string's
* internal buffer.
*/
INLINE ReversedNumericData::
ReversedNumericData(const void *data, size_t start, size_t length) {
reverse_assign((const char *)data + start, length);
}
/**
* Copies the data, with byte reversal if appropriate, into the indicated
* numeric variable, whose address and sizeof are given.
*/
INLINE void ReversedNumericData::
store_value(void *dest, size_t length) const {
memcpy(dest, _data, length);
}
/**
* Returns the pointer to the first byte of the data, either reversed or
* nonreversed, as appropriate.
*/
INLINE const void *ReversedNumericData::
get_data() const {
return _data;
}