diff --git a/game_launch/game.cpp b/game_launch/game.cpp index 28c8dbd4..f708fe7a 100644 --- a/game_launch/game.cpp +++ b/game_launch/game.cpp @@ -23,14 +23,11 @@ GNU General Public License for more details. #if XASH_POSIX #define XASHLIB "libxash." OS_LIB_EXT -#define LoadLibrary( x ) dlopen( x, RTLD_NOW ) -#define GetProcAddress( x, y ) dlsym( x, y ) #define FreeLibrary( x ) dlclose( x ) #elif XASH_WIN32 #include // CommandLineToArgvW -#define XASHLIB "xash.dll" -#define SDL2LIB "SDL2.dll" -#define dlerror() GetStringLastError() +#define XASHLIB L"xash.dll" +#define SDL2LIB L"SDL2.dll" extern "C" { @@ -52,14 +49,14 @@ typedef void (*pfnChangeGame)( const char *progname ); typedef int (*pfnInit)( int argc, char **argv, const char *progname, int bChangeGame, pfnChangeGame func ); typedef void (*pfnShutdown)( void ); -static pfnInit Xash_Main; -static pfnShutdown Xash_Shutdown = NULL; +static pfnInit Host_Main; +static pfnShutdown Host_Shutdown = NULL; static char szGameDir[128]; // safe place to keep gamedir static int szArgc; static char **szArgv; static HINSTANCE hEngine; -static void Xash_Error( const char *szFmt, ... ) +static void Launch_Error( const char *szFmt, ... ) { static char buffer[16384]; // must support > 1k messages va_list args; @@ -68,7 +65,7 @@ static void Xash_Error( const char *szFmt, ... ) vsnprintf( buffer, sizeof(buffer), szFmt, args ); va_end( args ); -#if defined( _WIN32 ) +#if XASH_WIN32 MessageBoxA( NULL, buffer, "Xash Error", MB_OK ); #else fprintf( stderr, "Xash Error: %s\n", buffer ); @@ -77,7 +74,7 @@ static void Xash_Error( const char *szFmt, ... ) exit( 1 ); } -#ifdef _WIN32 +#if XASH_WIN32 static const char *GetStringLastError() { static char buf[1024]; @@ -93,40 +90,62 @@ static const char *GetStringLastError() static void Sys_LoadEngine( void ) { #if XASH_WIN32 - HMODULE hSdl; + HMODULE hSDL = LoadLibraryExW( SDL2LIB, NULL, LOAD_LIBRARY_AS_DATAFILE ); - if (( hSdl = LoadLibraryEx( SDL2LIB, NULL, LOAD_LIBRARY_AS_DATAFILE )) == NULL ) + if( !hSDL ) { - Xash_Error("Unable to load the " SDL2LIB ": %s", dlerror() ); + Launch_Error("Unable to load %ls: %s", SDL2LIB, GetStringLastError( )); + return; } - else + + FreeLibrary( hSDL ); + + hEngine = LoadLibraryW( XASHLIB ); + if( !hEngine ) { - FreeLibrary( hSdl ); + Launch_Error( "Unable to load %ls: %s", XASHLIB, GetStringLastError( )); + return; } + + Host_Main = (pfnInit)GetProcAddress( hEngine, "Host_Main" ); + + if( !Host_Main ) + { + Launch_Error( "%ls missed 'Host_Main' export: %s", XASHLIB, GetStringLastError( )); + return; + } + + Host_Shutdown = (pfnShutdown)GetProcAddress( hEngine, "Host_Shutdown" ); +#elif XASH_POSIX + hEngine = dlopen( XASHLIB, RTLD_NOW ); + if( !hEngine ) + { + Launch_Error( "Unable to load %s: %s", XASHLIB, dlerror( )); + return; + } + + Host_Main = (pfnInit)dlsym( hEngine, "Host_Main" ); + + if( !Host_Main ) + { + Launch_Error( "%s missed 'Host_Main' export: %s", XASHLIB, dlerror( )); + return; + } + + Host_Shutdown = (pfnShutdown)dlsym( hEngine, "Host_Shutdown" ); +#else +#error "port me!" #endif - - if(( hEngine = LoadLibrary( XASHLIB )) == NULL ) - { - Xash_Error("Unable to load the " XASHLIB ": %s", dlerror() ); - } - - if(( Xash_Main = (pfnInit)GetProcAddress( hEngine, "Host_Main" )) == NULL ) - { - Xash_Error( XASHLIB " missed 'Host_Main' export: %s", dlerror() ); - } - - // this is non-fatal for us but change game will not working - Xash_Shutdown = (pfnShutdown)GetProcAddress( hEngine, "Host_Shutdown" ); } static void Sys_UnloadEngine( void ) { - if( Xash_Shutdown ) Xash_Shutdown( ); + if( Host_Shutdown ) Host_Shutdown( ); if( hEngine ) FreeLibrary( hEngine ); hEngine = NULL; - Xash_Main = NULL; - Xash_Shutdown = NULL; + Host_Main = NULL; + Host_Shutdown = NULL; } static void Sys_ChangeGame( const char *progname ) @@ -134,19 +153,25 @@ static void Sys_ChangeGame( const char *progname ) // a1ba: may never be called within engine // if platform supports execv() function if( !progname || !progname[0] ) - Xash_Error( "Sys_ChangeGame: NULL gamedir" ); + { + Launch_Error( "Sys_ChangeGame: NULL gamedir" ); + return; + } - if( Xash_Shutdown == NULL ) - Xash_Error( "Sys_ChangeGame: missed 'Host_Shutdown' export\n" ); + if( Host_Shutdown == NULL ) + { + Launch_Error( "Sys_ChangeGame: missed 'Host_Shutdown' export\n" ); + return; + } strncpy( szGameDir, progname, sizeof( szGameDir ) - 1 ); Sys_UnloadEngine(); Sys_LoadEngine (); - Xash_Main( szArgc, szArgv, szGameDir, 1, Sys_ChangeGame ); + Host_Main( szArgc, szArgv, szGameDir, 1, Sys_ChangeGame ); } -_inline int Sys_Start( void ) +static int Sys_Start( void ) { int ret; pfnChangeGame changeGame = NULL; @@ -168,10 +193,10 @@ _inline int Sys_Start( void ) Sys_LoadEngine(); - if( Xash_Shutdown ) + if( Host_Shutdown ) changeGame = Sys_ChangeGame; - ret = Xash_Main( szArgc, szArgv, szGameDir, 0, XASH_DISABLE_MENU_CHANGEGAME ? NULL : changeGame ); + ret = Host_Main( szArgc, szArgv, szGameDir, 0, XASH_DISABLE_MENU_CHANGEGAME ? NULL : changeGame ); Sys_UnloadEngine();