- Added a compatibility option to fix Super Sonic Doom's first bonus

stage leaving you frozen when you finished it.

src/compatibility.cpp

@@ -105,6 +105,7 @@ static FCompatOption Options[] =
 	{ "vileghosts",				BCOMPATF_VILEGHOSTS, SLOT_BCOMPAT },
 	{ "ignoreteleporttags",		BCOMPATF_BADTELEPORTERS, SLOT_BCOMPAT },
 	{ "rebuildnodes",			BCOMPATF_REBUILDNODES, SLOT_BCOMPAT },
+	{ "linkfrozenprops",		BCOMPATF_LINKFROZENPROPS, SLOT_BCOMPAT },
 
 	// list copied from g_mapinfo.cpp
 	{ "shorttex",				COMPATF_SHORTTEX, SLOT_COMPAT },

src/doomdef.h

@@ -349,6 +349,7 @@ enum
 	BCOMPATF_BADTELEPORTERS		= 1 << 3,	// Ignore tags on Teleport specials
 	BCOMPATF_BADPORTALS			= 1 << 4,	// Restores the old unstable portal behavior
 	BCOMPATF_REBUILDNODES		= 1 << 5,	// Force node rebuild
+	BCOMPATF_LINKFROZENPROPS	= 1 << 6,	// Clearing PROP_TOTALLYFROZEN or PROP_FROZEN also clears the other
 };
 
 // phares 3/20/98:

src/p_lnspec.cpp

@@ -2813,6 +2813,11 @@ FUNC(LS_SetPlayerProperty)
 	{
 		int i;
 
+		if ((ib_compatflags & BCOMPATF_LINKFROZENPROPS) && (mask & (CF_FROZEN | CF_TOTALLYFROZEN)))
+		{ // Clearing one of these properties clears both of them (if the compat flag is set.)
+			mask = CF_FROZEN | CF_TOTALLYFROZEN;
+		}
+
 		for (i = 0; i < MAXPLAYERS; i++)
 		{
 			if (!playeringame[i])

wadsrc/static/compatibility.txt

@@ -353,3 +353,11 @@ F481922F4881F74760F3C0437FD5EDD0 // map03
 	// make the blue key spawn above the 3D floor
 	setthingz 918 296
 }
+
+64B6CE3CB7349B6F6B1A885C449ACB96 // Super Sonic Doom, map31
+{
+	// During the end-of-level tally, both PROP_FROZEN and PROP_TOTALLYFROZEN
+	// are set, but only PROP_TOTALLYFROZEN is cleared, so PROP_FROZEN is
+	// still set when returning to the origin map.
+	linkfrozenprops
+}