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Xash3DArchive/launcher/getlib.h

115 lines
2.4 KiB
C

//=======================================================================
// Copyright (C) XashXT Group 2007
// getlib.c - used for find engine library
// getting direct path or from environment
//=======================================================================
#ifndef GETLIB_H
#define GETLIB_H
#define NDEBUG
#include <sys\types.h>
#include <windows.h>
#include <winreg.h>
#include <stdio.h>
#pragma comment(lib, "advapi32")
#pragma comment(lib, "user32")
#pragma comment(linker,"/MERGE:.rdata=.text")
#pragma comment(linker,"/FILEALIGN:512 /SECTION:.text, EWRX /IGNORE:4078")
#define Run32( prog ) return CreateMain32()( #prog, lpCmdLine )
//console format
typedef int (*winmain_t)( char *funcname, LPSTR lpCmdLine );
char szSearch[ 5 ][ 1024 ];
char szFsPath[ 4096 ];
HINSTANCE hmain;
BOOL GetBin( void )
{
//grab direct path?
return TRUE;
}
BOOL GetEnv( void )
{
char *pEnvPath = getenv("Xash3D");
if(!pEnvPath) return FALSE;
strcpy(szFsPath, pEnvPath );
return TRUE;
}
BOOL GetReg( void )
{
HKEY hKey;
DWORD dwBufLen = 4096; //max env length
long lRet;
lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Control\\Session Manager\\Environment", 0, KEY_READ, &hKey);
if(lRet != ERROR_SUCCESS) return FALSE;
lRet = RegQueryValueEx( hKey, "Xash3D", NULL, NULL, (byte *)szFsPath, &dwBufLen);
if(lRet != ERROR_SUCCESS) return FALSE;
RegCloseKey( hKey );
return TRUE;
}
void GetLibrary ( void )
{
int i, count = 0;
if(GetEnv()) //get environment
{
sprintf( szSearch[count], "%s\\bin\\launcher.dll", szFsPath );
count++;
}
if(GetReg()) //get registry
{
sprintf( szSearch[count], "%s\\bin\\launcher.dll", szFsPath );
count++;
}
if(GetBin()) //get direct
{
strcpy( szSearch[count], "bin\\launcher.dll" );
count++;
}
if(GetBin()) //get direct
{
strcpy( szSearch[count], "launcher.dll" );
count++;
}
for(i = 0; i < count; i++) { if(hmain = LoadLibrary( szSearch[i])) break; }
}
winmain_t CreateMain32( void )
{
winmain_t main;
GetLibrary();
if (hmain)
{
main = (winmain_t)GetProcAddress( hmain, "CreateAPI" );
if(!main)
{
MessageBox( 0, "Unable to load the launcher.dll", "Error", MB_OK );
exit( 1 );
}
return main;
}
MessageBox( 0, "Unable to load the launcher.dll", "Error", MB_OK );
exit( 1 );
return 0; //make compiller happy
}
#endif//GETLIB_H