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Store last ticcmd in a buffer rather than in netcmd

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9c5955feb0
This commit is contained in:
NepDisk 2025-08-03 23:33:43 -04:00
parent 1ebd823dc6
commit 0306fee5b9
1 changed files with 9 additions and 26 deletions
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35
src/d_clisrv.c
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@ -185,6 +185,7 @@ typedef struct textcmdtic_s
struct textcmdtic_s *next;
} textcmdtic_t;
static ticcmd_t playercmds[MAXPLAYERS];
ticcmd_t netcmds[BACKUPTICS][MAXPLAYERS];
static textcmdtic_t *textcmds[TEXTCMD_HASH_SIZE] = {NULL};
@ -4677,15 +4678,8 @@ static void HandlePacketFromPlayer(SINT8 node)
|| netbuffer->packettype == PT_NODEKEEPALIVEMIS)
break;
// If we already received a ticcmd for this tic, just submit it for the next one.
tic_t faketic = maketic;
if ((!!(netcmds[maketic % BACKUPTICS][netconsole].flags & TICCMD_RECEIVED))
&& (maketic - firstticstosend < BACKUPTICS - 1))
faketic++;
// Copy ticcmd
G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][netconsole], &netbuffer->u.clientpak.cmd, 1);
// store it in an internal buffer so the last packet takes precedence, which minimizes input lag
G_MoveTiccmd(&playercmds[netconsole], &netbuffer->u.clientpak.cmd, 1);
// Check ticcmd for "speed hacks"
if (CheckForSpeedHacks((UINT8)netconsole))
@ -4697,8 +4691,7 @@ static void HandlePacketFromPlayer(SINT8 node)
|| (netbuffer->packettype == PT_CLIENT4CMD || netbuffer->packettype == PT_CLIENT4MIS))
&& (nodetoplayer2[node] >= 0))
{
G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer2[node]],
&netbuffer->u.client2pak.cmd2, 1);
G_MoveTiccmd(&playercmds[(UINT8)nodetoplayer2[node]], &netbuffer->u.client2pak.cmd2, 1);
if (CheckForSpeedHacks((UINT8)nodetoplayer2[node]))
break;
@ -4708,8 +4701,7 @@ static void HandlePacketFromPlayer(SINT8 node)
|| (netbuffer->packettype == PT_CLIENT4CMD || netbuffer->packettype == PT_CLIENT4MIS))
&& (nodetoplayer3[node] >= 0))
{
G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer3[node]],
&netbuffer->u.client3pak.cmd3, 1);
G_MoveTiccmd(&playercmds[(UINT8)nodetoplayer3[node]], &netbuffer->u.client3pak.cmd3, 1);
if (CheckForSpeedHacks((UINT8)nodetoplayer3[node]))
break;
@ -4718,8 +4710,7 @@ static void HandlePacketFromPlayer(SINT8 node)
if ((netbuffer->packettype == PT_CLIENT4CMD || netbuffer->packettype == PT_CLIENT4MIS)
&& (nodetoplayer4[node] >= 0))
{
G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer4[node]],
&netbuffer->u.client4pak.cmd4, 1);
G_MoveTiccmd(&playercmds[(UINT8)nodetoplayer4[node]], &netbuffer->u.client4pak.cmd4, 1);
if (CheckForSpeedHacks((UINT8)nodetoplayer4[node]))
break;
@ -5550,6 +5541,9 @@ static void SV_Maketic(void)
{
INT32 i;
// Moved here so bots and packetloss indication doesn't break....
G_MoveTiccmd(netcmds[maketic % BACKUPTICS], playercmds, MAXPLAYERS);
PS_ResetBotInfo();
for (i = 0; i < MAXPLAYERS; i++)
@ -5574,22 +5568,11 @@ static void SV_Maketic(void)
// We didn't receive this tic
if ((netcmds[maketic % BACKUPTICS][i].flags & TICCMD_RECEIVED) == 0)
{
ticcmd_t * ticcmd = &netcmds[(maketic ) % BACKUPTICS][i];
ticcmd_t *prevticcmd = &netcmds[(maketic - 1) % BACKUPTICS][i];
{
DEBFILE(va("MISS tic%4d for player %d\n", maketic, i));
// Copy the input from the previous tic
*ticcmd = *prevticcmd;
ticcmd->flags &= ~TICCMD_RECEIVED;
}
// packetloss[i][leveltime%PACKETMEASUREWINDOW] = (cmd->flags & TICCMD_RECEIVED) ? false : true;
packetloss[i][maketic%PACKETMEASUREWINDOW] = true;
}
}
// all tic are now proceed make the next
maketic++;
}