Fix Q2 server issues (broken predition, deltaing, gamecode cvar crashes, choke info).

git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3773 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/server/q2game.h

@@ -313,5 +313,6 @@ game_export_t *GetGameApi (game_import_t *import);
 
 
 extern game_export_t	*ge;
+extern int svq2_maxclients;
 
 #endif

engine/server/sv_init.c

@@ -966,16 +966,6 @@ void SV_SpawnServer (char *server, char *startspot, qboolean noents, qboolean us
 
 	if (newgametype != svs.gametype)
 	{
-		for (i=0 ; i<MAX_CLIENTS ; i++)	//server type changed, so we need to drop all clients. :(
-		{
-			if (svs.clients[i].state)
-				SV_DropClient(&svs.clients[i]);
-
-			svs.clients[i].namebuf[0] = '\0';						//kill all bots
-		}
-	}
-	svs.gametype = newgametype;
-
 #ifdef HLSERVER
 		if (newgametype != GT_HALFLIFE)
 			SVHL_ShutdownGame();
@@ -993,6 +983,15 @@ void SV_SpawnServer (char *server, char *startspot, qboolean noents, qboolean us
 			Q1QVM_Shutdown();
 #endif
 
+		for (i=0 ; i<MAX_CLIENTS ; i++)	//server type changed, so we need to drop all clients. :(
+		{
+			if (svs.clients[i].state)
+				SV_DropClient(&svs.clients[i]);
+
+			svs.clients[i].namebuf[0] = '\0';						//kill all bots
+		}
+	}
+	svs.gametype = newgametype;
 
 	sv.models[1] = sv.world.worldmodel;
 #ifdef VM_Q1
@@ -1147,7 +1146,7 @@ void SV_SpawnServer (char *server, char *startspot, qboolean noents, qboolean us
 			q2ent->s.number = i+1;
 			svs.clients[i].q2edict = q2ent;
 		}
-		sv.allocated_client_slots = i;
+		sv.allocated_client_slots = svq2_maxclients;
 #endif
 		break;
 	case GT_QUAKE3:

engine/server/sv_main.c

@@ -3206,6 +3206,9 @@ qboolean SV_ReadPackets (void)
 				svs.stats.packets++;
 				if (cl->state != cs_zombie)
 				{
+					if (cl->send_message)
+						cl->chokecount++;
+					else
 						cl->send_message = true;	// reply at end of frame
 
 #ifdef Q2SERVER
@@ -3484,6 +3487,8 @@ void SV_Frame (void)
 	start = Sys_DoubleTime ();
 	svs.stats.idle += start - end;
 	end = start;
+
+	//qw qc uses this for newmis handling
 	svs.framenum++;
 	if (svs.framenum > 0x10000)
 		svs.framenum = 0;
@@ -3595,6 +3600,7 @@ void SV_MVDStream_Poll(void);
 	}
 	else
 	{
+		isidle = idletime < 0.1;
 #ifdef VM_Q1
 		if (svs.gametype == GT_Q1QVM)
 		{
@@ -3607,8 +3613,10 @@ void SV_MVDStream_Poll(void);
 		}
 	}
 
-	if (!isidle || idletime > 0.1)
+	if (!isidle || idletime > 0.15)
 	{
+		//this is the q2 frame number found in the q2 protocol. each packet should contain a new frame or interpolation gets confused
+		sv.framenum++;
 
 #ifdef SQL
 		PR_SQLCycle();

engine/server/sv_phys.c

@@ -2029,8 +2029,6 @@ qboolean SV_Physics (void)
 			host_frametime = sv_maxtic.value;
 		sv.world.physicstime = sv.time;
 
-
-		sv.framenum++;
 		switch(svs.gametype)
 		{
 #ifdef Q2SERVER

engine/server/svq2_ents.c

@@ -570,8 +570,8 @@ void SV_WriteFrameToClient (client_t *client, sizebuf_t *msg)
 	MSG_WriteByte (msg, svcq2_frame);
 	MSG_WriteLong (msg, sv.framenum);
 	MSG_WriteLong (msg, lastframe);	// what we are delta'ing from
-	MSG_WriteByte (msg, 0);//client->surpressCount);	// rate dropped packets
+	MSG_WriteByte (msg, client->chokecount);	// rate dropped packets
-//	client->surpressCount = 0;
+	client->chokecount = 0;
 
 	// send over the areabits
 	MSG_WriteByte (msg, frame->areabytes);
@@ -650,6 +650,9 @@ void SV_BuildClientFrame (client_t *client)
 	// grab the current player_state_t
 	frame->ps = clent->client->ps;
 
+	if (sv.paused)
+		frame->ps.pmove.pm_type = Q2PM_FREEZE;
+
 
 	sv.world.worldmodel->funcs.FatPVS(sv.world.worldmodel, org, clientpvs, sizeof(clientpvs), false);
 	clientphs = CM_ClusterPHS (sv.world.worldmodel, clientcluster);

engine/server/svq2_game.c

@@ -9,14 +9,12 @@ qboolean SVQ2_InitGameProgs(void)
 }
 #else
 game_export_t	*ge;
-
+int svq2_maxclients;
 
 
 void Sys_UnloadGame (void);
 void *Sys_GetGameAPI (void *parms);
 
-
-
 /*
 ===============
 PF_Unicast
@@ -644,6 +642,7 @@ void SVQ2_InitWorld(void)
 
 qboolean SVQ2_InitGameProgs(void)
 {
+	extern cvar_t maxclients;
 	volatile static game_import_t	import;	//volatile because msvc sucks
 	if (COM_CheckParm("-noq2dll"))
 	{
@@ -748,9 +747,16 @@ qboolean SVQ2_InitGameProgs(void)
 		return false;
 	}
 
+	if (maxclients.value > MAX_CLIENTS)
+		Cvar_SetValue(&maxclients, MAX_CLIENTS);
+
+	svq2_maxclients = maxclients.value;
+	maxclients.flags |= CVAR_LATCH;
+	deathmatch.flags |= CVAR_LATCH;
+	coop.flags |= CVAR_LATCH;
+
 	SVQ2_InitWorld();
 	ge->Init ();
-
 	return true;
 }