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Fix multiplayer desync after the change to q16 angle and horiz.

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Note that this includes non-portable unaligned accesses, but this
already applies to surrounding code. Just add comments for now.
This commit is contained in:
NY00123 2020-04-03 23:48:16 +03:00 committed by Christoph Oelckers
parent 6faa73286f
commit 4a8ad9b550
1 changed files with 6 additions and 4 deletions
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10
source/sw/src/network.cpp
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@ -282,6 +282,7 @@ int EncodeBits(SW_PACKET *pak, SW_PACKET *old_pak, uint8_t* buf)
*buf = 0;
buf++;
// TODO: Properly copy the values in a cross-platform manner
if (pak->vel != old_pak->vel)
{
*((short *)buf) = pak->vel;
@ -298,14 +299,14 @@ int EncodeBits(SW_PACKET *pak, SW_PACKET *old_pak, uint8_t* buf)
if (pak->q16avel != old_pak->q16avel)
{
*((char *)buf) = pak->q16avel;
*((fix16_t *)buf) = pak->q16avel;
buf += sizeof(pak->q16avel);
SET(*base_ptr, BIT(2));
}
if (pak->q16horz != old_pak->q16horz)
{
*((char *)buf) = pak->q16horz;
*((fix16_t *)buf) = pak->q16horz;
buf += sizeof(pak->q16horz);
SET(*base_ptr, BIT(3));
}
@ -334,6 +335,7 @@ int DecodeBits(SW_PACKET *pak, SW_PACKET *old_pak, uint8_t* buf)
*pak = *old_pak;
// TODO: Properly copy the values in a cross-platform manner
if (TEST(*base_ptr, BIT(0)))
{
pak->vel = *(short *)buf;
@ -348,13 +350,13 @@ int DecodeBits(SW_PACKET *pak, SW_PACKET *old_pak, uint8_t* buf)
if (TEST(*base_ptr, BIT(2)))
{
pak->q16avel = *(char *)buf;
pak->q16avel = *(fix16_t *)buf;
buf += sizeof(pak->q16avel);
}
if (TEST(*base_ptr, BIT(3)))
{
pak->q16horz = *(char *)buf;
pak->q16horz = *(fix16_t *)buf;
buf += sizeof(pak->q16horz);
}