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paymonh

simple for you

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hi i am using http://www.gamedev.net/reference/articles/article1607.asp i can get it ti work fine alone, but when i add the files to another project, i get this error: C:\paymon\OhBehave-2.2.3\ohdisplay\CInput8.cpp(20) : error C2065: 'DirectInput8Create' : undeclared identifier C:\paymon\OhBehave-2.2.3\ohdisplay\CInput8.cpp(20) : error C2065: 'IID_IDirectInput8' : undeclared identifier i have these header files: #include <dinput.h> #include <stdafx.h> #include "CInput8.h" this is where the error occurs: bool Init_CInput8(HINSTANCE h) { if (FAILED(DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&lpdi, NULL))) return false; for (int i = 0; i < 256; i++) keypress_state = 0; return true; } i am making another dumb mistake, i know .... what is it? [edited by - paymonh on July 25, 2002 2:05:47 PM] [edited by - paymonh on July 25, 2002 5:17:41 PM]

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Assuming you actually have the DX8 SDK installed and you''re using MSVC:


1. Go to the Tools menu in MSVC and select Options...

2. Click on the "Directories" tab.

3. Select "Include files" under the "Show directories for" box.

4. Add a new entry to the list with the location of the include files in the DX8 SDK, for example "C:\DXSDK\INCLUDE".

5. Click on the new entry you made and drag it to the *top* of the list so that it''s the first entry. This step is very important.

6. Select "Library files" under the "Show directories for" box.

7. Add a new entry pointing to the SDK library files, e.g. "C:\DXSDK\LIB"

8. Drag that entry to the top of the libraries list in the same way as you did for the includes.

9. Recompile and enjoy.

--
Simon O''Connor
Creative Asylum Ltd
www.creative-asylum.com

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do you have the "X:\DXSDK\INCLUDE" (replace X with the drive u installed DXSDK) as the top most item in the list (in the Tools/Options/Directories menu-tab)? Are you sure? check again...
(cuz i think compiler finds the dinput.h inside your MSVC default include folder (which is actually DX5) instead of DX8 dinput.h which is present in X:\DXSDK\INCLUDE folder.

Also if you are using only DX8 Input (i think you are...) then include only dinput8.lib. you don''t need dinput.lib.

(you can also copy all the files in X:\DXSDK\INCLUDE to the MSVC default include folder overwriting the existing ones!, though not recommended. MSVC default include folder is C:\Program Files\Microsoft Visual Studio\VC98\Include)

does this help??

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believe me:

dxsdk is included on top of the list
these are the libs linked
dinput8.lib dxguid.lib ddraw.lib dplayx.lib

problem not solved yet



another thing:

when i write click on DirectInput8Create and choose "go to definition", nothing happens

[edited by - paymonh on July 25, 2002 2:39:10 PM]

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did u try copying the files from the DXSDK\INCLUDE to MSVC include folder...
and ARE YOU CERTAIN ABOUT THE INCLUDE ITEM??? THE LIB ITEM MAY BE ON THE TOP, BUT INCLUDE ITEM ALSO SHOULD BE ON THE TOP...

(I don''t see any other problems!)

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First things first. You should always include local headers before library headers or platform headers. You can create unknown dependancies otherwise.

Try doing this and see what happens.

Place this before the include for DInput.h.
#define DIRECTINPUT_VERSION 0x800


Or try this and see what happens. It will give you an error, but lets see what the error is.

if (FAILED(DirectInputCreate(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&lpdi, NULL)))


Stephen Manchester
Senior Technical Lead
Virtual Media Vision, Inc.
stephen@virtualmediavision.com
(310) 930-7349

[edited by - smanches on July 25, 2002 2:59:47 PM]

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