Xash3D FWGS engine.
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/*
launcher.c - direct xash3d launcher
Copyright (C) 2015 Mittorn
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 3 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.
*/
#ifdef SINGLE_BINARY
#include "build.h"
#include "common.h"
#ifdef XASH_SDLMAIN
#include "SDL.h"
#endif
#if XASH_EMSCRIPTEN
#include <emscripten.h>
#endif
#include <unistd.h>
extern char **environ;
static char szGameDir[128]; // safe place to keep gamedir
static int g_iArgc;
static char **g_pszArgv;
#if XASH_WIN32 || XASH_POSIX
#define USE_EXECVE_FOR_CHANGE_GAME 1
#else
#define USE_EXECVE_FOR_CHANGE_GAME 0
#endif
#define E_GAME "XASH3D_GAME" // default env dir to start from
#define GAME_PATH "valve" // default dir to start from
void Launcher_ChangeGame( const char *progname )
{
char envstr[256];
#if USE_EXECVE_FOR_CHANGE_GAME
Host_Shutdown();
#if XASH_WIN32
_putenv_s( E_GAME, progname );
_execve( g_pszArgv[0], g_pszArgv, _environ );
#else
snprintf( envstr, sizeof( envstr ), E_GAME "=%s", progname );
putenv( envstr );
execve( g_pszArgv[0], g_pszArgv, environ );
#endif
#else
Q_strncpy( szGameDir, progname, sizeof( szGameDir ) - 1 );
Host_Shutdown( );
exit( Host_Main( g_iArgc, g_pszArgv, szGameDir, 1, &Launcher_ChangeGame ) );
#endif
}
#if XASH_WIN32
#include <windows.h>
#include <shellapi.h> // CommandLineToArgvW
int __stdcall WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR cmdLine, int nShow)
{
LPWSTR* lpArgv;
int ret, i;
lpArgv = CommandLineToArgvW( GetCommandLineW(), &szArgc );
szArgv = ( char** )malloc( (szArgc + 1) * sizeof( char* ));
for( i = 0; i < szArgc; ++i )
{
size_t size = wcslen(lpArgv[i]) + 1;
// just in case, allocate some more memory
szArgv[i] = ( char * )malloc( size * sizeof( wchar_t ));
wcstombs( szArgv[i], lpArgv[i], size );
}
szArgv[szArgc] = 0;
LocalFree( lpArgv );
ret = main( szArgc, szArgv );
for( i = 0; i < szArgc; ++i )
free( szArgv[i] );
free( szArgv );
return ret;
}
#endif // XASH_WIN32
int main( int argc, char** argv )
{
const char *game = getenv( E_GAME );
if( !game )
game = GAME_PATH;
Q_strncpy( szGameDir, game, sizeof( szGameDir ));
#if XASH_EMSCRIPTEN
#ifdef EMSCRIPTEN_LIB_FS
// For some unknown reason emscripten refusing to load libraries later
COM_LoadLibrary("menu", 0 );
COM_LoadLibrary("server", 0 );
COM_LoadLibrary("client", 0 );
#endif
#if XASH_DEDICATED
// NodeJS support for debug
EM_ASM(try{
FS.mkdir('/xash');
FS.mount(NODEFS, { root: '.'}, '/xash' );
FS.chdir('/xash');
}catch(e){};);
#endif
#endif
g_iArgc = argc;
g_pszArgv = argv;
#if XASH_IOS
{
void IOS_LaunchDialog( void );
IOS_LaunchDialog();
}
#endif
return Host_Main( g_iArgc, g_pszArgv, szGameDir, 0, &Launcher_ChangeGame );
}
#endif