static void netplay_handle_frame_hash(netplay_t *netplay, struct delta_frame *delta)
{
static bool crcs_valid = true;
if (netplay_is_server(netplay))
{
if (netplay->check_frames &&
(delta->frame % netplay->check_frames == 0 || delta->frame == 1))
{
delta->crc = netplay_delta_frame_crc(netplay, delta);
netplay_cmd_crc(netplay, delta);
}
}
else if (delta->crc && crcs_valid)
{
/* We have a remote CRC, so check it */
uint32_t local_crc = netplay_delta_frame_crc(netplay, delta);
if (local_crc != delta->crc)
{
if (delta->frame == 1)
{
/* We check frame 1 just to make sure the CRCs make sense at all.
* If we've diverged at frame 1, we assume CRCs are not useful. */
crcs_valid = false;
}
else if (crcs_valid)
{
/* Fix this! */
netplay_cmd_request_savestate(netplay);
}
}
}
}
static void netplay_handle_frame_hash(netplay_t *netplay, struct delta_frame *delta)
{
if (netplay->is_server)
{
if (netplay->check_frames &&
delta->frame % abs(netplay->check_frames) == 0)
{
delta->crc = netplay_delta_frame_crc(netplay, delta);
netplay_cmd_crc(netplay, delta);
}
}
else if (delta->crc && netplay->crcs_valid)
{
/* We have a remote CRC, so check it */
uint32_t local_crc = netplay_delta_frame_crc(netplay, delta);
if (local_crc != delta->crc)
{
if (!netplay->crc_validity_checked)
{
/* If the very first check frame is wrong, they probably just don't
* work */
netplay->crcs_valid = false;
}
else if (netplay->crcs_valid)
{
/* Fix this! */
if (netplay->check_frames < 0)
{
/* Just report */
RARCH_ERR("Netplay CRCs mismatch!\n");
}
else
{
netplay_cmd_request_savestate(netplay);
}
}
}
else if (!netplay->crc_validity_checked)
{
netplay->crc_validity_checked = true;
}
}
}
