Переношу проект с VS6sp5 на VS 2003

Worldcraft The 'Outputs' property for the custom build step for file 'tier0.lib' is not set. The custom build step will be skipped.
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\prefabs.cpp(235): error C2039: '_' : is not a member of 'std::basic_fstream<_Elem,_Traits>'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\prefabs.cpp(232): error C2039: 'eatwhite' : is not a member of 'std::basic_fstream<_Elem,_Traits>'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\loadsave_map.cpp(89): error C2039: 'eatwhite' : is not a member of 'std::basic_fstream<_Elem,_Traits>'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\loadsave_map.cpp(95): error C2039: 'eatwhite' : is not a member of 'std::basic_fstream<_Elem,_Traits>'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\loadsave_map.cpp(235): error C2039: 'fd' : is not a member of 'std::basic_fstream<_Elem,_Traits>'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\prefabs.cpp(235): error C2065: '_' : undeclared identifier
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\worldcraft.cpp(1255): error C2065: 'm_msgCur' : undeclared identifier
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\mainfrm.cpp(69): error C2144: syntax error : 'bool' should be preceded by ';'
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\mainfrm.cpp(69): error C2144: syntax error : 'bool' should be preceded by '}'
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\prefabs.cpp(235): error C2146: syntax error : missing ';' before identifier 'file'
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\bsplighting.cpp(695): error C2248: 'CBSPLighting::CDrawCommand' : cannot access private class declared in class 'CBSPLighting'
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\mainfrm.cpp(61): error C2440: 'static_cast' : cannot convert from 'void (__thiscall CMainFrame::* )(BOOL,HTASK)' to 'void (__thiscall CWnd::* )(BOOL,DWORD)'
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\richeditctrlex.cpp(81): error C2664: 'CRTFBuilder::font' : cannot convert parameter 1 from 'int' to 'const CString &'
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\loadsave_rmf.cpp(40): error C2664: 'std::basic_istream<_Elem,_Traits>::read' : cannot convert parameter 1 from 'BYTE *' to 'char *'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\loadsave_rmf.cpp(33): error C2664: 'std::basic_ostream<_Elem,_Traits>::write' : cannot convert parameter 1 from 'BYTE *' to 'const char *'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\prefabs.cpp(782): error C2666: 'std::fpos<_Statetype>::operator`-'' : 3 overloads have similar conversions
with
[
_Statetype=mbstate_t
]
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\mainfrm.cpp(69): fatal error C1075: end of file found before the left brace '{' at 'mainfrm.cpp(69)' was matched
c:\Users\Александр\Documents\Source Engine\src_main\worldcraft\worldcraft.cpp(1255): fatal error C1903: unable to recover from previous error(s); stopping compilation