fixed demo playback covering multiple maps (from Pa3PyX's hexen2 source)

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@604 af15c1b1-3010-417e-b628-4374ebc0bcbd

Quake/cl_demo.c

@@ -20,6 +20,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
+int		stufftext_frame;
+
 static void CL_FinishTimeDemo (void);
 
 /*
@@ -88,6 +90,13 @@ static int CL_GetDemoMessage (void)
 	// decide if it is time to grab the next message
 	if (cls.signon == SIGNONS)	// always grab until fully connected
 	{
+		// Always wait for full frame update on stuff messages.
+		// If the server stuffs a reconnect, we must wait for
+		// the client to re-initialize before accepting further
+		// messages. Otherwise demo playback may freeze. Pa3PyX
+		if (stufftext_frame == host_framecount)
+			return 0;
+
 		if (cls.timedemo)
 		{
 			if (host_framecount == cls.td_lastframe)
@@ -329,6 +338,10 @@ void CL_PlayDemo_f (void)
 	}
 	if (neg)
 		cls.forcetrack = -cls.forcetrack;
+
+// Get a new message on playback start.
+// Moved from CL_TimeDemo_f to here, Pa3PyX.
+	cls.td_lastframe = -1;
 }
 
 /*
@@ -377,6 +390,7 @@ void CL_TimeDemo_f (void)
 
 	cls.timedemo = true;
 	cls.td_startframe = host_framecount;
-	cls.td_lastframe = -1;	// get a new message this frame
+//	cls.td_lastframe = -1;	// get a new message this frame
+				// Moved to CL_PlayDemo_f(), Pa3PyX.
 }
 

Quake/cl_parse.c

@@ -91,6 +91,7 @@ const char *svc_strings[] =
 qboolean warn_about_nehahra_protocol; //johnfitz
 
 extern vec3_t	v_punchangles[2]; //johnfitz
+extern	int	stufftext_frame;
 
 //=============================================================================
 
@@ -1003,6 +1004,8 @@ void CL_ParseServerMessage (void)
 			break;
 
 		case svc_stufftext:
+			stufftext_frame = host_framecount;	// allow full frame update
+								// on stuff messages. Pa3PyX
 			Cbuf_AddText (MSG_ReadString ());
 			break;