initial importHEADmain

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diff --git a/src/parsec/sl_main.cpp b/src/parsec/sl_main.cpp
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+/*
+ * PARSEC - Main Module
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/26 03:43:41 $
+ *
+ * Orginally written by:
+ *   Copyright (c) Markus Hadwiger     <msh@parsec.org>   1998-2000
+
+   Updated By:
+    Copyright (c) 2003 Sivaram Velauthapillai (sivaram33@hotmail.com or koalabear33@yahoo.com)
+
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+  UPDATES:
+    August 25, 2003:
+      + Removed initialization of the old GSI sound server. OpenAL does not require
+        it
+*/ 
+// compilation flags/debug support
+#include "config.h"
+
+
+// C library includes
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// global externals
+#include "globals.h"
+#include "debug.h"
+
+// subsystem headers
+#include "aud_defs.h"
+#include "inp_defs.h"
+#include "net_defs.h"
+#include "sys_defs.h"
+#include "vid_defs.h"
+
+// local module header
+#include "sl_main.h"
+
+// proprietary module headers
+#include "con_main.h"
+#include "con_rc.h"
+#include "e_color.h"
+#include "e_events.h"
+#include "e_loader.h"
+#include "g_boot.h"
+#include "g_gameloop.h"
+#include "h_supp.h"
+#include "inp_init.h"
+#include "part_sys.h"
+#include "sys_bind.h"
+#include "sys_conv.h"
+#include "sys_file.h"
+#include "vid_init.h"
+
+#ifdef SYSTEM_TARGET_LINUX
+	#include <SDL/SDL.h>
+#else
+	#include <SDL.h>
+#endif
+
+#ifdef SYSTEM_TARGET_OSX
+	#include <CoreFoundation/CoreFoundation.h>
+#endif
+
+
+// flags
+//#define SHOW_MEMORY_INFO_BEFORE_BOOT
+#define SKIP_DEMO_INTRO
+#define START_NETGAME_AFTER_DEMOINTRO
+
+
+// file package location control
+//#define LOAD_DATA_FROM_EXE
+
+
+// size of parsec executable [bytes]
+// used to load data directly from it
+#define PARSEC_EXE_SIZE						396860
+
+
+// info about separate data file
+#ifdef LOAD_DATA_FROM_EXE
+
+	#define DATA_PACKAGE_NAME				sys_ProgramName
+	#define DATA_PACKAGE_OFFSET				PARSEC_EXE_SIZE
+
+#else // LOAD_DATA_FROM_EXE
+
+	#define DATA_PACKAGE_NAME				extra_pack_name
+	#define DATA_PACKAGE_OFFSET				extra_pack_offset
+
+	static char extra_pack_name[]			= "pscdata0.dat";
+	static size_t extra_pack_offset			= 0;
+
+#endif // LOAD_DATA_FROM_EXE
+
+
+// define macro responsible for intro invocation
+#ifndef SKIP_DEMO_INTRO
+	#define PLAYDEMOINTRO() 				PlayDemoIntro()
+#else
+	#define PLAYDEMOINTRO() 				TRUE
+#endif
+
+
+// string constants
+static char joystick_disabled[]		= "Joystick code is disabled.\n";
+static char exiting_game[]			= "Exiting Parsec...\n";
+
+
+#ifndef SYSTEM_TARGET_WINDOWS
+// emulate missing or differently named c library functions -------------------
+//
+int stricmp( const char *s1, const char *s2 )
+{
+	return strcasecmp( s1, s2 );
+}
+
+
+int strnicmp( const char *s1, const char *s2, int len )
+{
+	return strncasecmp( s1, s2, len );
+}
+
+
+char *strlwr( char *str )
+{
+	for ( char *scan = str; *scan; scan++ ) {
+		*scan = tolower( *scan );
+	}
+
+	return str;
+}
+
+
+char *strupr( char *str )
+{
+	for ( char *scan = str; *scan; scan++ ) {
+		*scan = toupper( *scan );
+	}
+
+	return str;
+}
+#endif
+
+
+#ifdef SYSTEM_TARGET_OSX
+
+static char macresourcespath[1024];
+
+// get absolute path to Parsec.app/Contents/Resources/, so we can chdir to it
+//
+PRIVATE
+const char * SLm_GetMacResourcesPath()
+{
+	CFBundleRef mainBundle = CFBundleGetMainBundle();
+	CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(mainBundle);
+	CFURLRef absoluteResourcesURL = CFURLCopyAbsoluteURL(resourcesURL);
+	CFStringRef cfResourcesStringRef = CFURLCopyFileSystemPath(absoluteResourcesURL, kCFURLPOSIXPathStyle);
+	
+	CFStringGetCString(cfResourcesStringRef, macresourcespath, sizeof(macresourcespath), kCFStringEncodingASCII);
+	
+	CFRelease(resourcesURL);
+	CFRelease(absoluteResourcesURL);
+	CFRelease(cfResourcesStringRef);
+	
+	return macresourcespath;
+}
+
+#endif
+
+
+// check available memory -----------------------------------------------------
+//
+void SYSs_CheckMemory()
+{
+	//TODO:
+}
+
+// cancel game mode -----------------------------------------------------------
+//
+INLINE
+void SLm_GameCancel()
+{
+	// cancel game sound
+	AUDs_CloseGameSound();
+}
+
+
+// start up game --------------------------------------------------------------
+//
+INLINE
+int SLm_StartUpGame()
+{
+	// init game state and enter main menu
+	if ( !GameBoot() )
+		return FALSE;
+
+	if ( GameInit( NETWORK_GAME_ON ) ) {
+		
+		// enter gameloop
+		GameLoop();
+		
+		// cancel game sound
+		AUDs_CloseGameSound();
+	}
+		
+	// quit game
+	return TRUE;
+}
+
+
+// calibrate and init joystick ------------------------------------------------
+//
+INLINE
+void SLm_InitJoystickCode()
+{
+	if ( !SkipCalibrationCode ) {
+
+//		IL_CalibrateJoystick();
+		Op_Joystick 	 = QueryJoystick;
+		JoystickDisabled = !QueryJoystick;
+
+	} else {
+
+		QueryJoystick	 = 0;
+		Op_Joystick 	 = 0;
+		JoystickDisabled = 1;
+		MSGOUT( joystick_disabled );
+	}
+}
+
+
+// init sound -----------------------------------------------------------------
+//
+INLINE
+void SLm_InitSound()
+{
+	// init sound system if soundcard installed
+	SoundAvailable  = AUDs_InitSoundSys();
+	Op_SoundEffects = SoundAvailable;
+	Op_Music		= SoundAvailable;
+}
+
+
+// package string constants ---------------------------------------------------
+//
+static char package_error[]		= "Data package error: file %s";
+static char package_name_1[]	= "pscdata1.dat";
+static char package_name_2[]	= "pscdata2.dat";
+static char package_name_3[]	= "pscdata3.dat";
+
+
+// init file system -----------------------------------------------------------
+//
+INLINE
+void SLm_InitFileSystem()
+{
+	// make sure mp3s contained in sound package are converted to wav
+	if ( !SYS_ConvertPackageMP3s( package_name_2, 0 ) ) {
+		FERROR( package_error, package_name_2 );
+	}
+
+	// register mandatory main data package
+	if ( !SYS_RegisterPackage( DATA_PACKAGE_NAME, DATA_PACKAGE_OFFSET, NULL ) ) {
+		FERROR( package_error, DATA_PACKAGE_NAME );
+	}
+
+	// register optional package 1
+	SYS_RegisterPackage( package_name_1, 0, NULL);
+
+	// register optional data package
+	SYS_RegisterPackage( package_name_2, 0, NULL );
+
+	// register third package (new data introduced with build 0196)
+	SYS_RegisterPackage( package_name_3, 0, NULL );
+	
+	//  duplicate files in pscdata2.dat with newer versions in pscdata3.dat
+	SYS_OverridePackage( package_name_2, package_name_3 );
+
+	if(!SYS_CheckDataVersion()){
+		MSGOUT("ERROR: OpenParsec Data File Version Mismatch!");
+		exit(1);
+	}
+}
+
+
+// free globally allocated storage buffers ------------------------------------
+//
+INLINE
+void SLm_FreeBuffers()
+{
+	FreeLoaderDataBuffers();
+}
+
+
+// free resources and perform other exit functions ----------------------------
+//
+void SL_CleanUp()
+{
+	// write rc script
+	WritePersistentCommands();
+
+	// kill the event manager
+	EVT_KillManager();
+
+	// kill game systems
+	KillParticleSystem();
+	KillConsole();
+	KillColorMaps();
+
+	// kill networking system;
+	// must not be done after SYSs_KillFrameTimer()
+	NETs_KillAPI();
+
+	// kill input code
+	INP_KillSubsystem();
+
+	// kill sound system
+	AUDs_KillSoundSys();
+
+	// kill timer code
+	SYSs_KillFrameTimer();
+
+	// free global buffers
+	SLm_FreeBuffers();
+
+	MSGOUT( exiting_game );
+}
+
+
+// system entry point ---------------------------------------------------------
+//
+int main( int argc, char **argv )
+{
+
+#ifdef DMALLOC
+	/*
+	 * Get environ variable DMALLOC_OPTIONS and pass the settings string
+	 * on to dmalloc_debug_setup to setup the dmalloc debugging flags.
+	*/
+	dmalloc_debug_setup(getenv("DMALLOC_OPTIONS"));
+#endif
+	
+#ifdef SYSTEM_TARGET_OSX
+	chdir(SLm_GetMacResourcesPath());
+#endif
+
+	// set program name (used in error messages)
+	sys_ProgramName = argv[ 0 ];
+
+	// this is the first thing we must do in order to resemble the old module registration
+	TheModuleManager->InitAllModules();
+
+	// check command line options
+	SYSs_CheckCommandLine( argc, argv );
+
+	// bind dynamic subsystem functions
+	SYS_BindDynamicFunctions();
+
+	// init error handling
+	SYSs_InitErrorHandling();
+
+	// display startup messages
+	StartupMessages();
+
+	// check available memory
+	SYSs_CheckMemory();
+
+	// init extended file system
+	SLm_InitFileSystem();
+
+	// init video subsystem
+	VID_InitSubsystem();
+
+	// read objects and other data into memory
+	LoadData( FetchCtrlFileName(), TRUE );
+
+	// init networking api
+	NETs_InitAPI();
+
+	// init sound system
+	SLm_InitSound();
+
+	// calibrate joystick
+	SLm_InitJoystickCode();
+
+	// init game and start gameloop
+	SLm_StartUpGame();
+
+	// restore original display mode
+	VIDs_RestoreDisplay();
+
+	// clean up and exit
+	SL_CleanUp();
+
+	return EXIT_SUCCESS;
+}
+
+