New cvar scr_loadingscreen_maxfps (default 10) which restricts maximum number of...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11840 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=ac6244346ed7754e5d178393cb5116ecc7cefe16

diff --git a/cl_screen.c b/cl_screen.c
index 0989a4b1f0454619cae985837c789cae3d51ee63..42b86ed7fd1dcc93510467f38b04f0cc17bd8481 100644 (file)
--- a/cl_screen.c
+++ b/cl_screen.c
@@ -42,6 +42,7 @@ cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of l
 cvar_t scr_loadingscreen_firstforstartup = {0, "scr_loadingscreen_firstforstartup","0", "remove loading.tga from random scr_loadingscreen_count selection and only display it on client startup, 0 = normal, 1 = firstforstartup"};
 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
+cvar_t scr_loadingscreen_maxfps = {0, "scr_loadingscreen_maxfps", "10", "restrict maximal FPS for loading screen so it will not update very often (this will make lesser loading times on a maps loading large number of models)"};
 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
@@ -917,6 +918,7 @@ void CL_Screen_Init(void)
        Cvar_RegisterVariable (&scr_loadingscreen_firstforstartup);
        Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
        Cvar_RegisterVariable (&scr_loadingscreen_barheight);
+       Cvar_RegisterVariable (&scr_loadingscreen_maxfps);
        Cvar_RegisterVariable (&scr_infobar_height);
        Cvar_RegisterVariable (&scr_showram);
        Cvar_RegisterVariable (&scr_showturtle);
@@ -2127,6 +2129,8 @@ static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
        VID_Finish();
 }
 
+static float loadingscreen_lastupdate;
+
 void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
 {
        keydest_t       old_key_dest;
@@ -2136,6 +2140,15 @@ void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
        if (vid_hidden || cls.state == ca_dedicated)
                return;
 
+       // limit update rate
+       if (scr_loadingscreen_maxfps.value)
+       {
+               float t = Sys_DirtyTime();
+               if ((t - loadingscreen_lastupdate) < 1.0f/scr_loadingscreen_maxfps.value)
+                       return;
+               loadingscreen_lastupdate = t;
+       }
+
        if(!scr_loadingscreen_background.integer)
                clear = true;