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Fix multiplayer ghosts crashing the game sometimes

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This commit is contained in:
fickleheart 2019-02-16 21:55:08 -06:00
parent be353c9260
commit 3bd47b3beb
3 changed files with 67 additions and 52 deletions
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95
src/g_game.c
View file

@ -5196,6 +5196,23 @@ void G_GhostAddHit(INT32 playernum, mobj_t *victim)
ghostext[playernum].hitlist[ghostext[playernum].hits-1] = victim;
}
void G_WriteAllGhostTics(void)
{
INT32 i;
for (i = 0; i < MAXPLAYERS; i++)
{
if (!playeringame[i] || players[i].spectator)
continue;
if (!players[i].mo)
continue;
WRITEUINT8(demo_p, i);
G_WriteGhostTic(players[i].mo, i);
}
WRITEUINT8(demo_p, 0xFF);
}
void G_WriteGhostTic(mobj_t *ghost, INT32 playernum)
{
char ziptic = 0;
@ -5370,6 +5387,17 @@ void G_WriteGhostTic(mobj_t *ghost, INT32 playernum)
}
}
void G_ConsAllGhostTics(void)
{
UINT8 p = READUINT8(demo_p);
while (p != 0xFF)
{
G_ConsGhostTic(p);
p = READUINT8(demo_p);
}
}
// Uses ghost data to do consistency checks on your position.
// This fixes desynchronising demos when fighting eggman.
void G_ConsGhostTic(INT32 playernum)
@ -5415,7 +5443,7 @@ void G_ConsGhostTic(INT32 playernum)
if (ziptic & GZT_SPRITE)
demo_p++;
if(ziptic & GZT_NIGHTS) {
if (!testmo->player || !(testmo->player->pflags & PF_NIGHTSMODE) || !testmo->tracer)
if (!testmo || !testmo->player || !(testmo->player->pflags & PF_NIGHTSMODE) || !testmo->tracer)
nightsfail = true;
else
testmo = testmo->tracer;
@ -5480,41 +5508,44 @@ void G_ConsGhostTic(INT32 playernum)
}
}
// Re-synchronise
px = testmo->x;
py = testmo->y;
pz = testmo->z;
gx = oldghost[playernum].x;
gy = oldghost[playernum].y;
gz = oldghost[playernum].z;
if (nightsfail || abs(px-gx) > syncleeway || abs(py-gy) > syncleeway || abs(pz-gz) > syncleeway)
if (testmo)
{
if (demosynced)
CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
demosynced = false;
// Re-synchronise
px = testmo->x;
py = testmo->y;
pz = testmo->z;
gx = oldghost[playernum].x;
gy = oldghost[playernum].y;
gz = oldghost[playernum].z;
P_UnsetThingPosition(testmo);
testmo->x = oldghost[playernum].x;
testmo->y = oldghost[playernum].y;
P_SetThingPosition(testmo);
testmo->z = oldghost[playernum].z;
}
if (nightsfail || abs(px-gx) > syncleeway || abs(py-gy) > syncleeway || abs(pz-gz) > syncleeway)
{
if (demosynced)
CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
demosynced = false;
if (
ghostext[playernum].kartresync && (
players[playernum].kartstuff[k_itemtype] != ghostext[playernum].kartitem ||
players[playernum].kartstuff[k_itemamount] != ghostext[playernum].kartamount ||
players[playernum].kartstuff[k_bumper] != ghostext[playernum].kartbumpers)
)
{
if (demosynced)
CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
demosynced = false;
P_UnsetThingPosition(testmo);
testmo->x = oldghost[playernum].x;
testmo->y = oldghost[playernum].y;
P_SetThingPosition(testmo);
testmo->z = oldghost[playernum].z;
}
players[playernum].kartstuff[k_itemtype] = ghostext[playernum].kartitem;
players[playernum].kartstuff[k_itemamount] = ghostext[playernum].kartamount;
players[playernum].kartstuff[k_bumper] = ghostext[playernum].kartbumpers;
if (
ghostext[playernum].kartresync && (
players[playernum].kartstuff[k_itemtype] != ghostext[playernum].kartitem ||
players[playernum].kartstuff[k_itemamount] != ghostext[playernum].kartamount ||
players[playernum].kartstuff[k_bumper] != ghostext[playernum].kartbumpers)
)
{
if (demosynced)
CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
demosynced = false;
players[playernum].kartstuff[k_itemtype] = ghostext[playernum].kartitem;
players[playernum].kartstuff[k_itemamount] = ghostext[playernum].kartamount;
players[playernum].kartstuff[k_bumper] = ghostext[playernum].kartbumpers;
}
}
if (*demo_p == DEMOMARKER)

2
src/g_game.h
View file

@ -180,7 +180,9 @@ void G_GhostAddColor(INT32 playernum, ghostcolor_t color);
void G_GhostAddFlip(INT32 playernum);
void G_GhostAddScale(INT32 playernum, fixed_t scale);
void G_GhostAddHit(INT32 playernum, mobj_t *victim);
void G_WriteAllGhostTics(void);
void G_WriteGhostTic(mobj_t *ghost, INT32 playernum);
void G_ConsAllGhostTics(void);
void G_ConsGhostTic(INT32 playernum);
void G_GhostTicker(void);
void G_ReadMetalTic(mobj_t *metal);

22
src/p_tick.c
View file

@ -728,32 +728,14 @@ void P_Ticker(boolean run)
{
if (demorecording)
{
for (i = 0; i < MAXPLAYERS; i++)
{
if (!playeringame[i] || players[i].spectator)
continue;
if (!players[i].mo)
continue;
G_WriteGhostTic(players[i].mo, i);
}
G_WriteAllGhostTics();
if (demosavebutton && demosavebutton + 3*TICRATE < leveltime && InputDown(gc_lookback, 1))
demodefersave = true;
}
if (demoplayback) // Use Ghost data for consistency checks.
{
for (i = 0; i < MAXPLAYERS; i++)
{
if (!playeringame[i] || players[i].spectator)
continue;
if (!players[i].mo)
continue;
G_ConsGhostTic(i);
}
G_ConsAllGhostTics();
}
}
else