Honnan tudnám megszerezni a d3dx9. h nevű fájlt?

Tessék :)

/*

* Copyright (C) 2007 David Adam

*

* This library is free software; you can redistribute it and/or

* modify it under the terms of the GNU Lesser General Public

* License as published by the Free Software Foundation; either

* version 2.1 of the License, or (at your option) any later version.

*

* This library is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

* Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public

* License along with this library; if not, write to the Free Software

* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA

*/

#ifndef __D3DX9_H__

#define __D3DX9_H__

#include <limits.h>

#define D3DX_DEFAULT ((UINT)-1)

#define D3DX_DEFAULT_NONPOW2 ((UINT)-2)

#define D3DX_DEFAULT_FLOAT FLT_MAX

#define D3DX_FROM_FILE ((UINT)-3)

#define D3DFMT_FROM_FILE ((D3DFORMAT)-3)

#include "d3d9.h"

#include "d3dx9math.h"

#include "d3dx9core.h"

#include "d3dx9xof.h"

#include "d3dx9mesh.h"

#include "d3dx9shader.h"

#include "d3dx9effect.h"

#include "d3dx9shape.h"

#include "d3dx9anim.h"

#include "d3dx9tex.h"

#define _FACDD 0x876

#define MAKE_DDHRESULT(code) MAKE_HRESULT(1, _FACDD, code)

enum _D3DXERR {

D3DXERR_CANNOTMODIFYINDEXBUFFER = MAKE_DDHRESULT(2900),

D3DXERR_INVALIDMESH = MAKE_DDHRESULT(2901),

D3DXERR_CANNOTATTRSORT = MAKE_DDHRESULT(2902),

D3DXERR_SKINNINGNOTSUPPORTED = MAKE_DDHRESULT(2903),

D3DXERR_TOOMANYINFLUENCES = MAKE_DDHRESULT(2904),

D3DXERR_INVALIDDATA = MAKE_DDHRESULT(2905),

D3DXERR_LOADEDMESHASNODATA = MAKE_DDHRESULT(2906),

D3DXERR_DUPLICATENAMEDFRAGMENT = MAKE_DDHRESULT(2907),

D3DXERR_CANNOTREMOVELASTITEM = MAKE_DDHRESULT(2908),

};

#endif