- offset = Sys_DirtyTime() - newtime;if (offset < 0 || offset >= 1800) offset = 0;
- offset += sv_timer;
- ++svs.perf_acc_offset_samples;
- svs.perf_acc_offset += offset;
- svs.perf_acc_offset_squared += offset * offset;
- if(svs.perf_acc_offset_max < offset)
- svs.perf_acc_offset_max = offset;
- }
+ // execute one or more server frames, with an upper limit on how much
+ // execution time to spend on server frames to avoid freezing the game if
+ // the server is overloaded, this execution time limit means the game will
+ // slow down if the server is taking too long.
+ int framecount, framelimit = 1;
+ double advancetime, aborttime = 0;
+ float offset;
+ prvm_prog_t *prog = SVVM_prog;
+
+ // run the world state
+ // don't allow simulation to run too fast or too slow or logic glitches can occur
+
+ // stop running server frames if the wall time reaches this value
+ if (sys_ticrate.value <= 0)
+ advancetime = sv_timer;
+ else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
+ {
+ // synchronize to the client frametime, but no less than 10ms and no more than 100ms
+ advancetime = bound(0.01, cl_timer, 0.1);
+ }
+ else
+ {
+ advancetime = sys_ticrate.value;
+ // listen servers can run multiple server frames per client frame
+ framelimit = cl_maxphysicsframesperserverframe.integer;
+ aborttime = Sys_DirtyTime() + 0.1;
+ }
+ if(host_timescale.value > 0 && host_timescale.value < 1)
+ advancetime = min(advancetime, 0.1 / host_timescale.value);
+ else
+ advancetime = min(advancetime, 0.1);