FUNCTIONS

1. MAKE_HRESULT
2. SUCCEEDED
3. FAILED
4. FIELD_OFFSET

   2 #ifndef _directx_h_
   3 #define _directx_h
   5 /* Include all of the DirectX 5.0 headers and adds any necessary tweaks */
   7 #include <windows.h>
   8 #include <mmsystem.h>
   9 #ifndef WIN32
  10 #define WIN32
  11 #endif
  12 #undef  WINNT
  14 /* Far pointers don't exist in 32-bit code */
  15 #ifndef FAR
  16 #define FAR
  17 #endif
  19 /* Error codes not yet included in Win32 API header files */
  20 #ifndef MAKE_HRESULT
  21 #define MAKE_HRESULT(sev,fac,code) \
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  22         ((HRESULT)(((unsigned long)(sev)<<31) | ((unsigned long)(fac)<<16) | ((unsigned long)(code))))
  23 #endif
  25 #ifndef S_OK
  26 #define S_OK            (HRESULT)0x00000000L
  27 #endif
  29 #ifndef SUCCEEDED
  30 #define SUCCEEDED(x)    ((HRESULT)(x) >= 0)
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  31 #endif
  32 #ifndef FAILED
  33 #define FAILED(x)       ((HRESULT)(x)<0)
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  34 #endif
  36 #ifndef E_FAIL
  37 #define E_FAIL          (HRESULT)0x80000008L
  38 #endif
  39 #ifndef E_NOINTERFACE
  40 #define E_NOINTERFACE   (HRESULT)0x80004002L
  41 #endif
  42 #ifndef E_OUTOFMEMORY
  43 #define E_OUTOFMEMORY   (HRESULT)0x8007000EL
  44 #endif
  45 #ifndef E_INVALIDARG
  46 #define E_INVALIDARG    (HRESULT)0x80070057L
  47 #endif
  48 #ifndef E_NOTIMPL
  49 #define E_NOTIMPL       (HRESULT)0x80004001L
  50 #endif
  51 #ifndef REGDB_E_CLASSNOTREG
  52 #define REGDB_E_CLASSNOTREG     (HRESULT)0x80040154L
  53 #endif
  55 /* Severity codes */
  56 #ifndef SEVERITY_ERROR
  57 #define SEVERITY_ERROR  1
  58 #endif
  60 /* Error facility codes */
  61 #ifndef FACILITY_WIN32
  62 #define FACILITY_WIN32  7
  63 #endif
  65 #ifndef FIELD_OFFSET
  66 #define FIELD_OFFSET(type, field)    ((LONG)&(((type *)0)->field))
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  67 #endif
  69 /* DirectX headers (if it isn't included, I haven't tested it yet)
  70  */
  71 /* We need these defines to mark what version of DirectX API we use */
  72 #define DIRECTDRAW_VERSION  0x0700
  73 #define DIRECTSOUND_VERSION 0x0500
  74 #define DIRECTINPUT_VERSION 0x0500
  76 #ifdef __GNUC__
  77 #define NONAMELESSUNION
  78 #endif
  79 #include <ddraw.h>
  80 #include <dsound.h>
  81 #include <dinput.h>
  83 #endif /* _directx_h */