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Change demoheader to BlanReplay, add G_CompatLevel

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This commit is contained in:
GenericHeroGuy 2025-08-11 15:29:23 +02:00
parent 9c78ac3f93
commit 58ddfc9da0
3 changed files with 47 additions and 27 deletions
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69
src/g_demo.c
View file

@ -112,7 +112,7 @@ demoghost *ghosts = NULL;
//
#define DEMOVERSION 0x0009
#define DEMOHEADER "\xF0" "KartReplay" "\x0F"
#define DEMOHEADER "\xF0" "BlanReplay" "\x0F"
#define DF_GHOST 0x01 // This demo contains ghost data too!
#define DF_TIMEATTACK 0x02 // This demo is from Time Attack and contains its final completion time & best lap!
@ -672,36 +672,44 @@ static headerstatus_e G_ReadDemoHeader(UINT8 *dp, demoheader_t *header)
header->raflags = 0;
header->empty = false;
if (memcmp(dp, DEMOHEADER, 12))
return HEADER_BADMAGIC;
dp += 12;
header->version = READUINT8(dp);
header->subversion = READUINT8(dp);
header->demoversion = READUINT16(dp);
switch (header->demoversion)
if (!memcmp(startdp, DEMOHEADER, 12)) // BlanReplay
{
case DEMOVERSION: // latest always supported
break;
switch (header->demoversion)
{
case DEMOVERSION: // latest always supported
break;
case 0x0008: // BlanKart (Pre-RA mod flags)
raflag = false;
break;
case 0x0001: // SRB2Kart 1.0.x (only staff ghosts supported)
oldkart = kart = true;
raflag = false;
break;
case 0x0002: // SRB2Kart 1.1+
kart = true;
raflag = false;
break;
default: // too old, cannot support.
return HEADER_BADVERSION;
default: // too old, cannot support.
return HEADER_BADVERSION;
}
}
else if (!memcmp(startdp, "\xF0" "KartReplay" "\x0F", 12))
{
raflag = false;
switch (header->demoversion)
{
case 0x0001: // SRB2Kart 1.0.x (only staff ghosts supported)
oldkart = kart = true;
break;
case 0x0002: // SRB2Kart 1.1+
kart = true;
break;
case 0x0008: // BlanKart (Pre-RA mod flags)
break;
default: // too old, cannot support.
return HEADER_BADVERSION;
}
}
else
return HEADER_BADMAGIC;
if (oldkart)
header->demotitle[0] = '\0';
@ -947,6 +955,17 @@ static void G_FreeDemoHeader(demoheader_t *header)
// and now, the rest of g_demo.c
boolean G_CompatLevel(UINT16 level)
{
if (demo.playback)
{
// Check gameplay differences for older ghosts
return (demo.version <= level);
}
return false;
}
static mobj_t oldmetal, oldghost[MAXPLAYERS];
void G_SaveMetal(UINT8 **buffer)
@ -1850,7 +1869,7 @@ void G_ConsGhostTic(INT32 playernum)
else
ghostext[playernum].desyncframes = 0;
if (demo.version != 0x0001 &&
if (!G_CompatLevel(0x0001) &&
(players[playernum].itemtype != ghostext[playernum].kartitem
|| players[playernum].itemamount != ghostext[playernum].kartamount
|| players[playernum].bumper != ghostext[playernum].kartbumpers))
@ -3745,7 +3764,7 @@ void G_DoPlayDemo(char *defdemoname)
LUA_ClearState();
// No modeattacking check, DF_LUAVARS won't be present here.
LUA_UnArchive(&demobuf, false, demo.version <= 0x0002);
LUA_UnArchive(&demobuf, false, G_CompatLevel(0x0002));
}
splitscreen = 0;

1
src/g_demo.h
View file

@ -101,6 +101,7 @@ struct menudemo_t {
} standings[MAXPLAYERS];
};
boolean G_CompatLevel(UINT16 level);
extern mobj_t *metalplayback;

4
src/p_tick.c
View file

@ -721,7 +721,7 @@ void P_Ticker(boolean run)
}
if (demo.playback)
{
if (demo.version == 0x0001 && !multiplayer)
if (G_CompatLevel(0x0001) && !multiplayer)
G_ReadDemoTiccmd(&players[0].cmd, 0);
else
{
@ -899,7 +899,7 @@ void P_Ticker(boolean run)
}
else if (demo.playback) // Use Ghost data for consistency checks.
{
if (!multiplayer && demo.version == 0x0001)
if (!multiplayer && G_CompatLevel(0x0001))
G_ConsGhostTic(0);
else
G_ConsAllGhostTics();