changed 1-frame warm-up period to 3 frames before time begins advancing

in the timedemo playback (meaning 3 identical frames are rendered first)
this should improve consistency of timedemo results

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7291 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/cl_demo.c b/cl_demo.c
index ce5f95d793bfb10669a4c36c97e0918258f8e6f3..27761778f689a7ca4d0cd0a6c2053ea99d5b4898 100644 (file)
--- a/cl_demo.c
+++ b/cl_demo.c
@@ -152,12 +152,14 @@ void CL_ReadDemoMessage(void)
                                }
                                if (cls.td_lastframe == -1)
                                {
-                                       // we start counting on the second frame
-                                       // (after parsing connection stuff)
-                                       cls.td_startframe = host_framecount + 1;
+                                       // render a couple frames before we start counting
+                                       cls.td_startframe = host_framecount + 3;
                                }
                                cls.td_lastframe = host_framecount;
                                cls.td_onesecondframes++;
+                               // don't read any new messages during the warm-up period
+                               if (host_framecount < cls.td_startframe)
+                                       return;
                                // if this is the first official frame we can now grab the real
                                // td_starttime so the bogus time on the first frame doesn't
                                // count against the final report