From 98228cce0dfe6591dc1b3a1c44852be0ca2adb4f Mon Sep 17 00:00:00 2001
From: tma <tma@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Mon, 21 Jul 2008 22:02:54 +0000
Subject: * Use Sys_Sleep to limit FPS, which will save CPU * Add
 com_maxfpsUnfocused and com_maxfpsMinimized; self explanatory * Fix reopening
 of bug 3703, I hope

git-svn-id: svn://svn.icculus.org/quake3/trunk@1431 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 code/sys/sys_main.c  | 44 +++++++-------------------------------------
 code/sys/sys_unix.c  |  3 +++
 code/sys/sys_win32.c |  3 +++
 3 files changed, 13 insertions(+), 37 deletions(-)

(limited to 'code/sys')

diff --git a/code/sys/sys_main.c b/code/sys/sys_main.c
index a1a57b4..dc846dd 100644
--- a/code/sys/sys_main.c
+++ b/code/sys/sys_main.c
@@ -439,42 +439,6 @@ void *Sys_LoadDll( const char *name, char *fqpath ,
 	return libHandle;
 }
 
-/*
-=================
-Sys_Idle
-=================
-*/
-static void Sys_Idle( void )
-{
-#ifndef DEDICATED
-	int appState = SDL_GetAppState( );
-	int sleep = 0;
-
-	// If we have no input focus at all, sleep a bit
-	if( !( appState & ( SDL_APPMOUSEFOCUS | SDL_APPINPUTFOCUS ) ) )
-	{
-		Cvar_SetValue( "com_unfocused", 1 );
-		sleep += 16;
-	}
-	else
-		Cvar_SetValue( "com_unfocused", 0 );
-
-	// If we're minimised, sleep a bit more
-	if( !( appState & SDL_APPACTIVE ) )
-	{
-		Cvar_SetValue( "com_minimized", 1 );
-		sleep += 32;
-	}
-	else
-		Cvar_SetValue( "com_minimized", 0 );
-
-	if( !com_dedicated->integer && sleep )
-		SDL_Delay( sleep );
-#else
-	// Dedicated server idles via NET_Sleep
-#endif
-}
-
 /*
 =================
 Sys_ParseArgs
@@ -602,7 +566,13 @@ int main( int argc, char **argv )
 
 	while( 1 )
 	{
-		Sys_Idle( );
+#ifndef DEDICATED
+		int appState = SDL_GetAppState( );
+
+		Cvar_SetValue( "com_unfocused",	!( appState & SDL_APPINPUTFOCUS ) );
+		Cvar_SetValue( "com_minimized", !( appState & SDL_APPACTIVE ) );
+#endif
+
 		IN_Frame( );
 		Com_Frame( );
 	}
diff --git a/code/sys/sys_unix.c b/code/sys/sys_unix.c
index 9d9d5aa..40479b9 100644
--- a/code/sys/sys_unix.c
+++ b/code/sys/sys_unix.c
@@ -463,6 +463,9 @@ void Sys_Sleep( int msec )
 {
 	fd_set fdset;
 
+	if( msec == 0 )
+		return;
+
 	FD_ZERO(&fdset);
 	FD_SET(fileno(stdin), &fdset);
 	if( msec < 0 )
diff --git a/code/sys/sys_win32.c b/code/sys/sys_win32.c
index 18724b3..fb924e6 100644
--- a/code/sys/sys_win32.c
+++ b/code/sys/sys_win32.c
@@ -519,6 +519,9 @@ Block execution for msec or until input is recieved.
 */
 void Sys_Sleep( int msec )
 {
+	if( msec == 0 )
+		return;
+
 	if( msec < 0 )
 		WaitForSingleObject( GetStdHandle( STD_INPUT_HANDLE ), INFINITE );
 	else
-- 
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