heretic/hexen: Fix -timedemo.

The -timedemo flag is broken in Vanilla Heretic/Hexen, as not all
fields are read from the demo headers. Fix it, as there's no utility
in having it nonfunctional and plenty of utility in having it
functional. This fixes #300.

1 files changed, 14 insertions, 4 deletions

diff --git a/src/hexen/g_game.c b/src/hexen/g_game.c
index 4e40f578..bc58b128 100644
--- a/src/hexen/g_game.c
+++ b/src/hexen/g_game.c
@@ -1881,12 +1881,19 @@ void G_DoPlayDemo(void)
 void G_TimeDemo(char *name)
 {
     skill_t skill;
-    int episode, map;
+    int episode, map, i;
 
     demobuffer = demo_p = W_CacheLumpName(name, PU_STATIC);
     skill = *demo_p++;
     episode = *demo_p++;
     map = *demo_p++;
+
+    for (i = 0; i < MAXPLAYERS; i++)
+    {
+        playeringame[i] = *demo_p++;
+        PlayerClass[i] = *demo_p++;
+    }
+
     G_InitNew(skill, episode, map);
     usergame = false;
     demoplayback = true;
@@ -1907,13 +1914,16 @@ void G_TimeDemo(char *name)
 
 boolean G_CheckDemoStatus(void)
 {
-    int endtime;
+    int endtime, realtics;
 
     if (timingdemo)
     {
+        float fps;
         endtime = I_GetTime();
-        I_Error("timed %i gametics in %i realtics", gametic,
-                endtime - starttime);
+        realtics = endtime - starttime;
+        fps = ((float) gametic * TICRATE) / realtics;
+        I_Error("timed %i gametics in %i realtics (%f fps)",
+                gametic, realtics, fps);
     }
 
     if (demoplayback)