implemented framerate-dependent particle quality reduction to try to

[xonotic/darkplaces.git] / host.c

diff --git a/host.c b/host.c
index 694099db66800df24f5676cef282d54c5f52b4ca..fac4fa4630a498d2e3ebf98149836c314d5efd08 100644 (file)
--- a/host.c
+++ b/host.c
@@ -59,8 +59,11 @@ jmp_buf host_abortframe;
 cvar_t host_framerate = {0, "host_framerate","0", "locks frame timing to this value in seconds, 0.05 is 20fps for example, note that this can easily run too fast, use cl_maxfps if you want to limit your framerate instead, or sys_ticrate to limit server speed"};
 // shows time used by certain subsystems
 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
-// LordHavoc: framerate upper cap
-cvar_t cl_maxfps = {CVAR_SAVE, "cl_maxfps", "1000", "maximum fps cap, if game is running faster than this it will wait before running another frame (useful to make cpu time available to other programs)"};
+cvar_t cl_minfps = {CVAR_SAVE, "cl_minfps", "40", "minimum fps target - while the rendering performance is below this, it will drift toward lower quality"};
+cvar_t cl_minfps_expbase = {CVAR_SAVE, "cl_minfps_expbase", "1.2", "base for log() function in calculating quality reduction, should be in the range 1.1 to 2.0"};
+cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality reduction adapts to varying framerate"};
+cvar_t cl_minfps_maxqualityreduction = {CVAR_SAVE, "cl_minfps_maxqualityreduction", "3", "how much particle quality can be reduced (as a power of 2) when framerate is staying below cl_minfps, 0 = no reduction, 1 = 50% quality, 2 = 25% quality, 3 = 12.5% quality, ..."};
+cvar_t cl_maxfps = {CVAR_SAVE, "cl_maxfps", "1000000", "maximum fps cap, if game is running faster than this it will wait before running another frame (useful to make cpu time available to other programs)"};
 cvar_t cl_maxidlefps = {CVAR_SAVE, "cl_maxidlefps", "20", "maximum fps cap when the game is not the active window (makes cpu time available to other programs"};
 
 cvar_t developer = {0, "developer","0", "prints additional debugging messages and information (recommended for modders and level designers)"};
@@ -197,11 +200,15 @@ void Host_SaveConfig_f(void);
 void Host_LoadConfig_f(void);
 static void Host_InitLocal (void)
 {
-       Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg immediately (also automatic when quitting)");
+       Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
        Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 
        Cvar_RegisterVariable (&host_framerate);
        Cvar_RegisterVariable (&host_speeds);
+       Cvar_RegisterVariable (&cl_minfps);
+       Cvar_RegisterVariable (&cl_minfps_expbase);
+       Cvar_RegisterVariable (&cl_minfps_fade);
+       Cvar_RegisterVariable (&cl_minfps_maxqualityreduction);
        Cvar_RegisterVariable (&cl_maxfps);
        Cvar_RegisterVariable (&cl_maxidlefps);
 
@@ -220,7 +227,7 @@ Host_SaveConfig_f
 Writes key bindings and archived cvars to config.cfg
 ===============
 */
-void Host_SaveConfig_f(void)
+void Host_SaveConfig_to(const char *file)
 {
        qfile_t *f;
 
@@ -229,10 +236,10 @@ void Host_SaveConfig_f(void)
        // LordHavoc: don't save a config if it crashed in startup
        if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
        {
-               f = FS_Open ("config.cfg", "wb", false, false);
+               f = FS_Open (file, "wb", false, false);
                if (!f)
                {
-                       Con_Print("Couldn't write config.cfg.\n");
+                       Con_Printf("Couldn't write %s.\n", file);
                        return;
                }
 
@@ -242,7 +249,21 @@ void Host_SaveConfig_f(void)
                FS_Close (f);
        }
 }
+void Host_SaveConfig(void)
+{
+       Host_SaveConfig_to("config.cfg");
+}
+void Host_SaveConfig_f(void)
+{
+       const char *file = "config.cfg";
 
+       if(Cmd_Argc() >= 2) {
+               file = Cmd_Argv(1);
+               Con_Printf("Saving to %s\n", file);
+       }
+
+       Host_SaveConfig_to(file);
+}
 
 /*
 ===============
@@ -502,6 +523,13 @@ void Host_ShutdownServer(void)
        for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
                if (host_client->active)
                        SV_DropClient(false); // server shutdown
+       if(prog->loaded)
+               if(prog->funcoffsets.SV_Shutdown)
+               {
+                       func_t s = prog->funcoffsets.SV_Shutdown;
+                       prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
+                       PRVM_ExecuteProgram(s,"SV_Shutdown() required");
+               }
        SV_VM_End();
 
        NetConn_CloseServerPorts();
@@ -843,9 +871,7 @@ void Host_Main(void)
                        //ui_update();
 
                        CL_Video_Frame();
-#ifdef SUPPORT_GECKO
                        CL_Gecko_Frame();
-#endif
 
                        CL_UpdateScreen();
 
@@ -859,7 +885,7 @@ void Host_Main(void)
                                cl.csqc_usecsqclistener = false;
                        }
                        else
-                               S_Update(&r_view.matrix);
+                               S_Update(&r_refdef.view.matrix);
 
                        CDAudio_Update();
 
@@ -980,23 +1006,7 @@ static void Host_Init (void)
        COM_InitGameType();
 
        // construct a version string for the corner of the console
-#if defined(__linux__)
-       os = "Linux";
-#elif defined(WIN32)
-       os = "Windows";
-#elif defined(__FreeBSD__)
-       os = "FreeBSD";
-#elif defined(__NetBSD__)
-       os = "NetBSD";
-#elif defined(__OpenBSD__)
-       os = "OpenBSD";
-#elif defined(MACOSX)
-       os = "Mac OS X";
-#elif defined(__MORPHOS__)
-       os = "MorphOS";
-#else
-       os = "Unknown";
-#endif
+       os = DP_OS_NAME;
        dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
        Con_Printf("%s\n", engineversion);
 
@@ -1108,10 +1118,7 @@ static void Host_Init (void)
 
        if (!sv.active && !cls.demoplayback && !cls.connect_trying)
        {
-               if (gamemode == GAME_NEXUIZ)
-                       Cbuf_AddText("togglemenu\nplayvideo logo\ncd loop 1\n");
-               else
-                       Cbuf_AddText("togglemenu\n");
+               Cbuf_AddText("togglemenu\n");
                Cbuf_Execute();
        }
 
@@ -1161,12 +1168,10 @@ void Host_Shutdown(void)
        // AK shutdown PRVM
        // AK hmm, no PRVM_Shutdown(); yet
 
-#ifdef SUPPORT_GECKO
        CL_Gecko_Shutdown();
-#endif
        CL_Video_Shutdown();
 
-       Host_SaveConfig_f();
+       Host_SaveConfig();
 
        CDAudio_Shutdown ();
        S_Terminate ();