- moved high level code out of i_time.cpp.

src/d_main.cpp

@@ -174,6 +174,26 @@ extern bool insave;
 extern TDeletingArray<FLightDefaults *> LightDefaults;
 
 
+CUSTOM_CVAR(Float, i_timescale, 1.0f, CVAR_NOINITCALL)
+{
+	if (netgame)
+	{
+		Printf("Time scale cannot be changed in net games.\n");
+		self = 1.0f;
+	}
+	else if (self >= 0.05f)
+	{
+		I_FreezeTime(true);
+		TimeScale = self;
+		I_FreezeTime(false);
+	}
+	else
+	{
+		Printf("Time scale must be at least 0.05!\n");
+	}
+}
+
+
 // PUBLIC DATA DEFINITIONS -------------------------------------------------
 
 CUSTOM_CVAR (Int, fraglimit, 0, CVAR_SERVERINFO)
@@ -2883,6 +2903,7 @@ static int D_DoomMain_Internal (void)
 int D_DoomMain()
 {
 	int ret = 0;
+	GameTicRate = TICRATE;
 	try
 	{
 		ret = D_DoomMain_Internal();