Shipwright/ZAPDTR/ZAPD/CRC32.h
Nicholas Estelami c80f9fbd57
Added support for multiple game versions (#107)
* WIP Multiversion support

* GC PAL Non-MQ support complete

* Updated OtrGui to handle different game versions

* Added version file

* Added new extract mode to ZAPD and optimized OTR gen time

* Fixed bug causing crash

* Further optimized OTRExporter, saving around ~20 seconds.

* ZAPD is now multi-threaded.

* Fixed merge issue

* Fixed memory leak and fog issue on pause screen.

* Additional fog fixes.

Co-authored-by: Jack Walker <7463599+Jack-Walker@users.noreply.github.com>
2022-03-31 19:42:44 -04:00

23 lines
359 B
C

#pragma once
static uint32_t CRC32B(const unsigned char* message, int32_t size)
{
int32_t byte, crc;
int32_t mask;
crc = 0xFFFFFFFF;
for (int32_t i = 0; i < size; i++)
{
byte = message[i];
crc = crc ^ byte;
for (int32_t j = 7; j >= 0; j--)
{
mask = -(crc & 1);
crc = (crc >> 1) ^ (0xEDB88320 & mask);
}
}
return ~(uint32_t)(crc);
}