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Add some checks against invalid replays

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This commit is contained in:
fickleheart 2019-03-24 19:19:57 -05:00
parent b135c46d60
commit 402796b3c6
1 changed files with 44 additions and 3 deletions
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47
src/g_game.c
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@ -6630,7 +6630,8 @@ void G_DoPlayDemo(char *defdemoname)
break; break;
#ifdef DEMO_COMPAT_100 #ifdef DEMO_COMPAT_100
case 0x0001: case 0x0001:
I_Error("You need to implement demo compat here, doofus! %s:%d", __FILE__, __LINE__); CONS_Printf("You need to implement demo compat here, doofus! %s:%d\n", __FILE__, __LINE__);
break;
#endif #endif
// too old, cannot support. // too old, cannot support.
default: default:
@ -6661,7 +6662,21 @@ void G_DoPlayDemo(char *defdemoname)
demoflags = READUINT8(demo_p); demoflags = READUINT8(demo_p);
#ifdef DEMO_COMPAT_100 #ifdef DEMO_COMPAT_100
if (demoversion != 0x0001) if (demoversion == 0x0001)
{
if (demoflags & DF_MULTIPLAYER)
{
snprintf(msg, 1024, M_GetText("%s is an alpha multiplayer replay and cannot be played.\n"), pdemoname);
CONS_Alert(CONS_ERROR, "%s", msg);
M_StartMessage(msg, NULL, MM_NOTHING);
Z_Free(pdemoname);
Z_Free(demobuffer);
demoplayback = false;
titledemo = false;
return;
}
}
else
{ {
#endif #endif
gametype = READUINT8(demo_p); gametype = READUINT8(demo_p);
@ -6902,12 +6917,38 @@ void G_DoPlayDemo(char *defdemoname)
while (p != 0xFF) while (p != 0xFF)
{ {
spectator = false; spectator = false;
if (p & DEMO_SPECTATOR) { if (p & DEMO_SPECTATOR)
{
spectator = true; spectator = true;
p &= ~DEMO_SPECTATOR; p &= ~DEMO_SPECTATOR;
if (modeattacking)
{
snprintf(msg, 1024, M_GetText("%s is a record attack replay with spectators, and is thus invalid.\n"), pdemoname);
CONS_Alert(CONS_ERROR, "%s", msg);
M_StartMessage(msg, NULL, MM_NOTHING);
Z_Free(pdemoname);
Z_Free(demobuffer);
demoplayback = false;
titledemo = false;
return;
}
} }
slots[numslots] = p; numslots++; slots[numslots] = p; numslots++;
if (modeattacking && numslots > 1)
{
snprintf(msg, 1024, M_GetText("%s is a record attack replay with multiple players, and is thus invalid.\n"), pdemoname);
CONS_Alert(CONS_ERROR, "%s", msg);
M_StartMessage(msg, NULL, MM_NOTHING);
Z_Free(pdemoname);
Z_Free(demobuffer);
demoplayback = false;
titledemo = false;
return;
}
if (!playeringame[displayplayer] || players[displayplayer].spectator) if (!playeringame[displayplayer] || players[displayplayer].spectator)
displayplayer = consoleplayer = serverplayer = p; displayplayer = consoleplayer = serverplayer = p;