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G_WriteAllGhostTics: check buffer size after each player's ghost data

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Instead of checking it after ALL player ghost data. This
is less likely to write past the end of the demo buffer.
This commit is contained in:
James R 2024-01-29 02:24:55 -08:00
parent a879975e83
commit 5a86041302
1 changed files with 10 additions and 3 deletions
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13
src/g_demo.c
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@ -734,6 +734,7 @@ void G_GhostAddHit(INT32 playernum, mobj_t *victim)
void G_WriteAllGhostTics(void)
{
boolean toobig = false;
INT32 i, counter = leveltime;
for (i = 0; i < MAXPLAYERS; i++)
{
@ -750,12 +751,18 @@ void G_WriteAllGhostTics(void)
WRITEUINT8(demobuf.p, i);
G_WriteGhostTic(players[i].mo, i);
// attention here for the ticcmd size!
// latest demos with mouse aiming byte in ticcmd
if (demobuf.p >= demobuf.end - (13 + 9 + 9))
{
toobig = true;
break;
}
}
WRITEUINT8(demobuf.p, 0xFF);
// attention here for the ticcmd size!
// latest demos with mouse aiming byte in ticcmd
if (demobuf.p >= demobuf.end - (13 + 9 + 9))
if (toobig)
{
G_CheckDemoStatus(); // no more space
return;