DirectX library loading now done dynamically

This commit is contained in:
pagefault
2001-06-17 23:53:57 +00:00
parent 6b72dd69a3
commit 2a5e594909
2 changed files with 104 additions and 3 deletions

View File

@@ -22,6 +22,30 @@
#include <direct.h>
#include <winuser.h>
#include <dinput.h>
#include <dsound.h>
static char dinput8_dll[] = {"dinput8.dll\0"};
static char dinput8_imp[] = {"DirectInput8Create\0"};
static char ddraw_dll[] = {"ddraw.dll\0"};
static char ddraw_imp[] = {"DirectDrawCreateEx\0"};
static char dsound_dll[] = {"dsound.dll\0"};
static char dsound_imp[] = {"DirectSoundCreate8\0"};
HMODULE hM_ddraw = NULL, hM_dsound = NULL,hM_dinput8 = NULL;
typedef HRESULT (WINAPI* lpDirectInput8Create)(HINSTANCE hinst, DWORD dwVersion, REFIID riidltf, LPVOID *ppvOut, LPUNKNOWN punkOuter);
lpDirectInput8Create pDirectInput8Create;
typedef HRESULT (WINAPI* lpDirectDrawCreateEx)( GUID FAR * lpGuid, LPVOID *lplpDD, REFIID iid,IUnknown FAR *pUnkOuter );
lpDirectDrawCreateEx pDirectDrawCreateEx;
typedef HRESULT (WINAPI* lpDirectSoundCreate8)(LPCGUID pcGuidDevice, LPDIRECTSOUND8 *ppDS8, LPUNKNOWN pUnkOuter);
lpDirectSoundCreate8 pDirectSoundCreate8;
extern void zstart(void);
extern void DosExit(void);
extern void ConvertJoyMap1(void);
@@ -81,6 +105,71 @@ WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdSh
hInst=hInstance;
hM_dinput8 = LoadLibrary(dinput8_dll);
if (hM_dinput8 == NULL)
{
if (MessageBox(NULL, "Sorry, you need DirectX v8.0 or higher to use\nZSNESW. Would you like to go to the DirectX homepage?", "Error", MB_ICONINFORMATION | MB_YESNO) == IDYES)
ShellExecute(NULL, NULL, "http://www.microsoft.com/directx/", NULL, NULL, 0);
goto startup_error_exit;
}
pDirectInput8Create = (lpDirectInput8Create) GetProcAddress(hM_dinput8, dinput8_imp);
if (pDirectInput8Create == NULL)
{
char err[256];
wsprintf(err,"Failed to import %s:%s", dinput8_dll, dinput8_imp);
MessageBox(NULL, err, "Error", MB_ICONERROR);
goto startup_dinput8_error;
}
hM_ddraw = LoadLibrary(ddraw_dll);
if (hM_ddraw == NULL)
{
char err[256];
wsprintf(err,"Failed to import %s",ddraw_dll);
MessageBox(NULL, err,"Error",MB_ICONERROR);
goto startup_dinput8_error;
}
pDirectDrawCreateEx = (lpDirectDrawCreateEx) GetProcAddress(hM_ddraw, ddraw_imp);
if (pDirectDrawCreateEx == NULL)
{
char err[256];
wsprintf(err,"Failed to import %s:%s", ddraw_dll, ddraw_imp);
MessageBox(NULL, err, "Error", MB_ICONERROR);
goto startup_ddraw_error;
}
hM_dsound = LoadLibrary(dsound_dll);
if (hM_dsound == NULL)
{
char err[256];
wsprintf(err,"Failed to import %s",dsound_dll);
MessageBox(NULL, err,"Error",MB_ICONERROR);
goto startup_ddraw_error;
}
pDirectSoundCreate8 = (lpDirectSoundCreate8) GetProcAddress(hM_dsound, dsound_imp);
if (pDirectSoundCreate8 == NULL)
{
char err[256];
wsprintf(err,"Failed to import %s:%s", dsound_dll, dsound_imp);
MessageBox(NULL, err, "Error", MB_ICONERROR);
FreeLibrary(hM_dsound);
startup_ddraw_error:
FreeLibrary(hM_ddraw);
startup_dinput8_error:
FreeLibrary(hM_dinput8);
startup_error_exit:
exit(0);
}
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