* Merge of ioq3-r1163

  + SDL everywhere
  + New R_LoadImage
  + net_ip.c
  + Window icon
  + GUI based dedicated server support
  + Compile time linked OpenGL
* Remove ui_menuFiles cvar

1 files changed, 646 insertions, 0 deletions

diff --git a/src/sys/sys_main.c b/src/sys/sys_main.c
new file mode 100644
index 00000000..df743733
--- /dev/null
+++ b/src/sys/sys_main.c
@@ -0,0 +1,646 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+#include <unistd.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+
+#ifndef DEDICATED
+#include "SDL.h"
+#endif
+
+#include "sys_local.h"
+#include "sys_loadlib.h"
+
+#include "../qcommon/q_shared.h"
+#include "../qcommon/qcommon.h"
+
+static char binaryPath[ MAX_OSPATH ] = { 0 };
+static char installPath[ MAX_OSPATH ] = { 0 };
+
+/*
+=================
+Sys_SetBinaryPath
+=================
+*/
+void Sys_SetBinaryPath(const char *path)
+{
+	Q_strncpyz(binaryPath, path, sizeof(binaryPath));
+}
+
+/*
+=================
+Sys_BinaryPath
+=================
+*/
+char *Sys_BinaryPath(void)
+{
+	return binaryPath;
+}
+
+/*
+=================
+Sys_SetDefaultInstallPath
+=================
+*/
+void Sys_SetDefaultInstallPath(const char *path)
+{
+	Q_strncpyz(installPath, path, sizeof(installPath));
+}
+
+/*
+=================
+Sys_DefaultInstallPath
+=================
+*/
+char *Sys_DefaultInstallPath(void)
+{
+	if (*installPath)
+		return installPath;
+	else
+		return Sys_Cwd();
+}
+
+/*
+=================
+Sys_In_Restart_f
+
+Restart the input subsystem
+=================
+*/
+void Sys_In_Restart_f( void )
+{
+	IN_Shutdown();
+	IN_Init();
+}
+
+/*
+=================
+Sys_ConsoleInputInit
+
+Start the console input subsystem
+=================
+*/
+void Sys_ConsoleInputInit( void )
+{
+#ifdef DEDICATED
+	TTY_Init( );
+#endif
+}
+
+/*
+=================
+Sys_ConsoleInputShutdown
+
+Shutdown the console input subsystem
+=================
+*/
+void Sys_ConsoleInputShutdown( void )
+{
+#ifdef DEDICATED
+	TTY_Shutdown( );
+#endif
+}
+
+/*
+=================
+Sys_ConsoleInput
+
+Handle new console input
+=================
+*/
+char *Sys_ConsoleInput(void)
+{
+#ifdef DEDICATED
+	return TTY_ConsoleInput( );
+#endif
+
+	return NULL;
+}
+
+/*
+=================
+Sys_Exit
+
+Single exit point (regular exit or in case of error)
+=================
+*/
+void Sys_Exit( int ex )
+{
+	Sys_ConsoleInputShutdown();
+
+#ifndef DEDICATED
+	SDL_Quit( );
+#endif
+
+#ifdef NDEBUG
+	// _exit is called instead of exit since there are rumours of
+	// GL libraries installing atexit calls that we don't want to call
+	// FIXME: get some testing done with plain exit
+	_exit(ex);
+#else
+	// Cause a backtrace on error exits
+	assert( ex == 0 );
+	exit(ex);
+#endif
+}
+
+/*
+=================
+Sys_Quit
+=================
+*/
+void Sys_Quit (void)
+{
+	CL_Shutdown ();
+	Sys_Exit(0);
+}
+
+/*
+=================
+Sys_GetProcessorFeatures
+=================
+*/
+cpuFeatures_t Sys_GetProcessorFeatures( void )
+{
+	cpuFeatures_t features = 0;
+
+#ifndef DEDICATED
+	if( SDL_HasRDTSC( ) )    features |= CF_RDTSC;
+	if( SDL_HasMMX( ) )      features |= CF_MMX;
+	if( SDL_HasMMXExt( ) )   features |= CF_MMX_EXT;
+	if( SDL_Has3DNow( ) )    features |= CF_3DNOW;
+	if( SDL_Has3DNowExt( ) ) features |= CF_3DNOW_EXT;
+	if( SDL_HasSSE( ) )      features |= CF_SSE;
+	if( SDL_HasSSE2( ) )     features |= CF_SSE2;
+	if( SDL_HasAltiVec( ) )  features |= CF_ALTIVEC;
+#endif
+
+	return features;
+}
+
+/*
+=================
+Sys_Init
+=================
+*/
+void Sys_Init(void)
+{
+	Cmd_AddCommand( "in_restart", Sys_In_Restart_f );
+	Cvar_Set( "arch", OS_STRING " " ARCH_STRING );
+	Cvar_Set( "username", Sys_GetCurrentUser( ) );
+}
+
+static struct Q3ToAnsiColorTable_s
+{
+	char Q3color;
+	char *ANSIcolor;
+} TTY_colorTable[ ] =
+{
+	{ COLOR_BLACK,    "30" },
+	{ COLOR_RED,      "31" },
+	{ COLOR_GREEN,    "32" },
+	{ COLOR_YELLOW,   "33" },
+	{ COLOR_BLUE,     "34" },
+	{ COLOR_CYAN,     "36" },
+	{ COLOR_MAGENTA,  "35" },
+	{ COLOR_WHITE,    "0" }
+};
+
+static int TTY_colorTableSize =
+	sizeof( TTY_colorTable ) / sizeof( TTY_colorTable[ 0 ] );
+
+/*
+=================
+Sys_ANSIColorify
+
+Transform Q3 colour codes to ANSI escape sequences
+=================
+*/
+static void Sys_ANSIColorify( const char *msg, char *buffer, int bufferSize )
+{
+	int   msgLength, pos;
+	int   i, j;
+	char  *escapeCode;
+	char  tempBuffer[ 7 ];
+
+	if( !msg || !buffer )
+		return;
+
+	msgLength = strlen( msg );
+	pos = 0;
+	i = 0;
+	buffer[ 0 ] = '\0';
+
+	while( i < msgLength )
+	{
+		if( msg[ i ] == '\n' )
+		{
+			Com_sprintf( tempBuffer, 7, "%c[0m\n", 0x1B );
+			strncat( buffer, tempBuffer, bufferSize );
+			i++;
+		}
+		else if( msg[ i ] == Q_COLOR_ESCAPE )
+		{
+			i++;
+
+			if( i < msgLength )
+			{
+				escapeCode = NULL;
+				for( j = 0; j < TTY_colorTableSize; j++ )
+				{
+					if( msg[ i ] == TTY_colorTable[ j ].Q3color )
+					{
+						escapeCode = TTY_colorTable[ j ].ANSIcolor;
+						break;
+					}
+				}
+
+				if( escapeCode )
+				{
+					Com_sprintf( tempBuffer, 7, "%c[%sm", 0x1B, escapeCode );
+					strncat( buffer, tempBuffer, bufferSize );
+				}
+
+				i++;
+			}
+		}
+		else
+		{
+			Com_sprintf( tempBuffer, 7, "%c", msg[ i++ ] );
+			strncat( buffer, tempBuffer, bufferSize );
+		}
+	}
+}
+
+/*
+=================
+Sys_Print
+=================
+*/
+void Sys_Print( const char *msg )
+{
+#ifdef DEDICATED
+	TTY_Hide();
+#endif
+
+	if( com_ansiColor && com_ansiColor->integer )
+	{
+		char ansiColorString[ MAXPRINTMSG ];
+		Sys_ANSIColorify( msg, ansiColorString, MAXPRINTMSG );
+		fputs( ansiColorString, stderr );
+	}
+	else
+		fputs(msg, stderr);
+
+#ifdef DEDICATED
+	TTY_Show();
+#endif
+}
+
+/*
+=================
+Sys_Error
+=================
+*/
+void Sys_Error( const char *error, ... )
+{
+	va_list argptr;
+	char    string[1024];
+
+#ifdef DEDICATED
+	TTY_Hide();
+#endif
+
+	CL_Shutdown ();
+
+	va_start (argptr,error);
+	Q_vsnprintf (string, sizeof(string), error, argptr);
+	va_end (argptr);
+	fprintf(stderr, "Sys_Error: %s\n", string);
+
+	Sys_Exit( 1 );
+}
+
+/*
+=================
+Sys_Warn
+=================
+*/
+void Sys_Warn( char *warning, ... )
+{
+	va_list argptr;
+	char    string[1024];
+
+	va_start (argptr,warning);
+	Q_vsnprintf (string, sizeof(string), warning, argptr);
+	va_end (argptr);
+
+#ifdef DEDICATED
+	TTY_Hide();
+#endif
+
+	fprintf(stderr, "Warning: %s", string);
+
+#ifdef DEDICATED
+	TTY_Show();
+#endif
+}
+
+/*
+============
+Sys_FileTime
+
+returns -1 if not present
+============
+*/
+int Sys_FileTime( char *path )
+{
+	struct stat buf;
+
+	if (stat (path,&buf) == -1)
+		return -1;
+
+	return buf.st_mtime;
+}
+
+/*
+=================
+Sys_UnloadDll
+=================
+*/
+void Sys_UnloadDll( void *dllHandle )
+{
+	if( !dllHandle )
+	{
+		Com_Printf("Sys_UnloadDll(NULL)\n");
+		return;
+	}
+
+	Sys_UnloadLibrary(dllHandle);
+}
+
+/*
+=================
+Sys_TryLibraryLoad
+=================
+*/
+static void* Sys_TryLibraryLoad(const char* base, const char* gamedir, const char* fname, char* fqpath )
+{
+	void* libHandle;
+	char* fn;
+
+	*fqpath = 0;
+
+	fn = FS_BuildOSPath( base, gamedir, fname );
+	Com_Printf( "Sys_LoadDll(%s)... \n", fn );
+
+	libHandle = Sys_LoadLibrary(fn);
+
+	if(!libHandle) {
+		Com_Printf( "Sys_LoadDll(%s) failed:\n\"%s\"\n", fn, Sys_LibraryError() );
+		return NULL;
+	}
+
+	Com_Printf ( "Sys_LoadDll(%s): succeeded ...\n", fn );
+	Q_strncpyz ( fqpath , fn , MAX_QPATH ) ;
+
+	return libHandle;
+}
+
+/*
+=================
+Sys_LoadDll
+
+Used to load a development dll instead of a virtual machine
+#1 look down current path
+#2 look in fs_homepath
+#3 look in fs_basepath
+=================
+*/
+void *Sys_LoadDll( const char *name, char *fqpath ,
+	intptr_t (**entryPoint)(int, ...),
+	intptr_t (*systemcalls)(intptr_t, ...) )
+{
+	void  *libHandle;
+	void  (*dllEntry)( intptr_t (*syscallptr)(intptr_t, ...) );
+	char  curpath[MAX_OSPATH];
+	char  fname[MAX_OSPATH];
+	char  *basepath;
+	char  *homepath;
+	char  *pwdpath;
+	char  *gamedir;
+
+	assert( name );
+
+	getcwd(curpath, sizeof(curpath));
+	snprintf (fname, sizeof(fname), "%s" ARCH_STRING DLL_EXT, name);
+
+	// TODO: use fs_searchpaths from files.c
+	pwdpath = Sys_Cwd();
+	basepath = Cvar_VariableString( "fs_basepath" );
+	homepath = Cvar_VariableString( "fs_homepath" );
+	gamedir = Cvar_VariableString( "fs_game" );
+
+	libHandle = Sys_TryLibraryLoad(pwdpath, gamedir, fname, fqpath);
+
+	if(!libHandle && homepath)
+		libHandle = Sys_TryLibraryLoad(homepath, gamedir, fname, fqpath);
+
+	if(!libHandle && basepath)
+		libHandle = Sys_TryLibraryLoad(basepath, gamedir, fname, fqpath);
+
+	if(!libHandle) {
+		Com_Printf ( "Sys_LoadDll(%s) failed to load library\n", name );
+		return NULL;
+	}
+
+	dllEntry = Sys_LoadFunction( libHandle, "dllEntry" );
+	*entryPoint = Sys_LoadFunction( libHandle, "vmMain" );
+
+	if ( !*entryPoint || !dllEntry )
+	{
+		Com_Printf ( "Sys_LoadDll(%s) failed to find vmMain function:\n\"%s\" !\n", name, Sys_LibraryError( ) );
+		Sys_UnloadLibrary(libHandle);
+
+		return NULL;
+	}
+
+	Com_Printf ( "Sys_LoadDll(%s) found vmMain function at %p\n", name, *entryPoint );
+	dllEntry( systemcalls );
+
+	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
+=================
+*/
+void Sys_ParseArgs( int argc, char **argv )
+{
+	if( argc == 2 )
+	{
+		if( !strcmp( argv[1], "--version" ) ||
+				!strcmp( argv[1], "-v" ) )
+		{
+			const char* date = __DATE__;
+#ifdef DEDICATED
+			fprintf( stdout, Q3_VERSION " dedicated server (%s)\n", date );
+#else
+			fprintf( stdout, Q3_VERSION " client (%s)\n", date );
+#endif
+			Sys_Exit(0);
+		}
+	}
+}
+
+#ifndef DEFAULT_BASEDIR
+#	ifdef MACOS_X
+#		define DEFAULT_BASEDIR Sys_StripAppBundle(Sys_BinaryPath())
+#	else
+#		define DEFAULT_BASEDIR Sys_BinaryPath()
+#	endif
+#endif
+
+/*
+=================
+Sys_SigHandler
+=================
+*/
+static void Sys_SigHandler( int signal )
+{
+	static qboolean signalcaught = qfalse;
+
+	if( signalcaught )
+	{
+		fprintf( stderr, "DOUBLE SIGNAL FAULT: Received signal %d, exiting...\n",
+			signal );
+	}
+	else
+	{
+		signalcaught = qtrue;
+		fprintf( stderr, "Received signal %d, exiting...\n", signal );
+#ifndef DEDICATED
+		CL_Shutdown();
+#endif
+		SV_Shutdown( "Signal caught" );
+	}
+
+	Sys_Exit( 0 ); // Exit with 0 to avoid recursive signals
+}
+
+/*
+=================
+main
+=================
+*/
+int main( int argc, char **argv )
+{
+	int   i;
+	char  commandLine[ MAX_STRING_CHARS ] = { 0 };
+
+	Sys_ParseArgs( argc, argv );
+	Sys_SetBinaryPath( Sys_Dirname( argv[ 0 ] ) );
+	Sys_SetDefaultInstallPath( DEFAULT_BASEDIR );
+
+	// Concatenate the command line for passing to Com_Init
+	for( i = 1; i < argc; i++ )
+	{
+		Q_strcat( commandLine, sizeof( commandLine ), argv[ i ] );
+		Q_strcat( commandLine, sizeof( commandLine ), " " );
+	}
+
+	Com_Init( commandLine );
+	NET_Init();
+
+	Sys_ConsoleInputInit();
+
+#ifndef _WIN32
+	// Windows doesn't have these signals
+	signal( SIGHUP, Sys_SigHandler );
+	signal( SIGQUIT, Sys_SigHandler );
+	signal( SIGTRAP, Sys_SigHandler );
+	signal( SIGIOT, Sys_SigHandler );
+	signal( SIGBUS, Sys_SigHandler );
+#endif
+
+	signal( SIGILL, Sys_SigHandler );
+	signal( SIGFPE, Sys_SigHandler );
+	signal( SIGSEGV, Sys_SigHandler );
+	signal( SIGTERM, Sys_SigHandler );
+
+	while( 1 )
+	{
+		Sys_Idle( );
+		IN_Frame( );
+		Com_Frame( );
+	}
+
+	return 0;
+}
+