From 83fe79e061a301805ef7a2dfbedc4de30cc20de3 Mon Sep 17 00:00:00 2001
From: cloudwalk <cloudwalk@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Wed, 15 Jul 2020 02:44:16 +0000
Subject: [PATCH] host: Sleep at the end of the frame. Receive packets during
 server frame.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12809 d7cf8633-e32d-0410-b094-e92efae38249
---
 host.c | 71 ++++++++++++++++++++++++++++------------------------------
 1 file changed, 34 insertions(+), 37 deletions(-)

diff --git a/host.c b/host.c
index 71710231..2192a6b3 100644
--- a/host.c
+++ b/host.c
@@ -452,11 +452,6 @@ void Host_Main(void)
 
 		Log_DestBuffer_Flush();
 
-		// receive packets on each main loop iteration, as the main loop may
-		// be undersleeping due to select() detecting a new packet
-		if (sv.active && !svs.threaded)
-			NetConn_ServerFrame();
-
 		Curl_Run();
 
 		// check for commands typed to the host
@@ -475,37 +470,6 @@ void Host_Main(void)
 
 		//Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 
-		// if the accumulators haven't become positive yet, wait a while
-		wait = max(cl_timer, sv_timer) * -1000000.0;
-
-		if (!host.restless && wait >= 1)
-		{
-			double time0, delta;
-
-			if(host_maxwait.value <= 0)
-				wait = min(wait, 1000000.0);
-			else
-				wait = min(wait, host_maxwait.value * 1000.0);
-			if(wait < 1)
-				wait = 1; // because we cast to int
-
-			time0 = Sys_DirtyTime();
-			if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded) {
-				NetConn_SleepMicroseconds((int)wait);
-				if (cls.state != ca_dedicated)
-					NetConn_ClientFrame(); // helps server browser get good ping values
-				// TODO can we do the same for ServerFrame? Probably not.
-			}
-			else
-				Sys_Sleep((int)wait);
-			delta = Sys_DirtyTime() - time0;
-			if (delta < 0 || delta >= 1800) 
-				delta = 0;
-			host.sleeptime += delta;
-//			R_TimeReport("sleep");
-			continue;
-		}
-
 		R_TimeReport("---");
 
 	//-------------------
@@ -565,7 +529,10 @@ void Host_Main(void)
 				double advancetime, aborttime = 0;
 				float offset;
 				prvm_prog_t *prog = SVVM_prog;
-
+				// receive packets on each main loop iteration, as the main loop may
+				// be undersleeping due to select() detecting a new packet
+				if (sv.active && !svs.threaded)
+					NetConn_ServerFrame();
 				// run the world state
 				// don't allow simulation to run too fast or too slow or logic glitches can occur
 
@@ -805,6 +772,36 @@ void Host_Main(void)
 			Mem_CheckSentinelsGlobal();
 #endif
 
+		// if the accumulators haven't become positive yet, wait a while
+		wait = max(cl_timer, sv_timer) * -1000000.0;
+
+		if (!host.restless && wait >= 1)
+		{
+			double time0, delta;
+
+			if(host_maxwait.value <= 0)
+				wait = min(wait, 1000000.0);
+			else
+				wait = min(wait, host_maxwait.value * 1000.0);
+			if(wait < 1)
+				wait = 1; // because we cast to int
+
+			time0 = Sys_DirtyTime();
+			if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded) {
+				NetConn_SleepMicroseconds((int)wait);
+				if (cls.state != ca_dedicated)
+					NetConn_ClientFrame(); // helps server browser get good ping values
+				// TODO can we do the same for ServerFrame? Probably not.
+			}
+			else
+				Sys_Sleep((int)wait);
+			delta = Sys_DirtyTime() - time0;
+			if (delta < 0 || delta >= 1800) 
+				delta = 0;
+			host.sleeptime += delta;
+//			R_TimeReport("sleep");
+		}
+
 		host.framecount++;
 		oldtime = newtime;
 	}
-- 
2.39.2