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//-----------------------------------------------------------------------------
// File: D3DUtil.h
//
// Desc: Helper functions and typing shortcuts for Direct3D programming.
//
// Copyright (c) 1997-1999 Microsoft Corporation. All rights reserved
//-----------------------------------------------------------------------------
#ifndef D3DUTIL_H
#define D3DUTIL_H
#include <ddraw.h>
#include <d3d.h>
//-----------------------------------------------------------------------------
// Miscellaneous helper functions
//-----------------------------------------------------------------------------
const TCHAR* D3DUtil_GetDXSDKMediaPath();
#define SAFE_DELETE(p) { if(p) { delete (p); (p)=NULL; } }
#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
//-----------------------------------------------------------------------------
// Short cut functions for creating and using DX structures
//-----------------------------------------------------------------------------
VOID D3DUtil_InitDeviceDesc( D3DDEVICEDESC7& ddDevDesc );
VOID D3DUtil_InitSurfaceDesc( DDSURFACEDESC2& ddsd, DWORD dwFlags=0,
DWORD dwCaps=0 );
VOID D3DUtil_InitMaterial( D3DMATERIAL7& mtrl, FLOAT r=0.0f, FLOAT g=0.0f,
FLOAT b=0.0f, FLOAT a=1.0f );
VOID D3DUtil_InitLight( D3DLIGHT7& light, D3DLIGHTTYPE ltType,
FLOAT x=0.0f, FLOAT y=0.0f, FLOAT z=0.0f );
//-----------------------------------------------------------------------------
// D3D Matrix functions. For performance reasons, some functions are inline.
//-----------------------------------------------------------------------------
HRESULT D3DUtil_SetViewMatrix( D3DMATRIX& mat, D3DVECTOR& vFrom,
D3DVECTOR& vAt, D3DVECTOR& vUp );
HRESULT D3DUtil_SetProjectionMatrix( D3DMATRIX& mat, FLOAT fFOV = 1.570795f,
FLOAT fAspect = 1.0f,
FLOAT fNearPlane = 1.0f,
FLOAT fFarPlane = 1000.0f );
inline VOID D3DUtil_SetIdentityMatrix( D3DMATRIX& m )
{
m._12 = m._13 = m._14 = m._21 = m._23 = m._24 = 0.0f;
m._31 = m._32 = m._34 = m._41 = m._42 = m._43 = 0.0f;
m._11 = m._22 = m._33 = m._44 = 1.0f;
}
inline VOID D3DUtil_SetTranslateMatrix( D3DMATRIX& m, FLOAT tx, FLOAT ty,
FLOAT tz )
{ D3DUtil_SetIdentityMatrix( m ); m._41 = tx; m._42 = ty; m._43 = tz; }
inline VOID D3DUtil_SetTranslateMatrix( D3DMATRIX& m, D3DVECTOR& v )
{ D3DUtil_SetTranslateMatrix( m, v.x, v.y, v.z ); }
inline VOID D3DUtil_SetScaleMatrix( D3DMATRIX& m, FLOAT sx, FLOAT sy,
FLOAT sz )
{ D3DUtil_SetIdentityMatrix( m ); m._11 = sx; m._22 = sy; m._33 = sz; }
inline VOID SetScaleMatrix( D3DMATRIX& m, D3DVECTOR& v )
{ D3DUtil_SetScaleMatrix( m, v.x, v.y, v.z ); }
VOID D3DUtil_SetRotateXMatrix( D3DMATRIX& mat, FLOAT fRads );
VOID D3DUtil_SetRotateYMatrix( D3DMATRIX& mat, FLOAT fRads );
VOID D3DUtil_SetRotateZMatrix( D3DMATRIX& mat, FLOAT fRads );
VOID D3DUtil_SetRotationMatrix( D3DMATRIX& mat, D3DVECTOR& vDir,
FLOAT fRads );
//-----------------------------------------------------------------------------
// Debug printing support
//-----------------------------------------------------------------------------
HRESULT _DbgOut( TCHAR*, DWORD, HRESULT, TCHAR* );
#if defined(DEBUG) | defined(_DEBUG)
#define DEBUG_MSG(str) _DbgOut( __FILE__, (DWORD)__LINE__, 0, str )
#define DEBUG_ERR(hr,str) _DbgOut( __FILE__, (DWORD)__LINE__, hr, str )
#else
#define DEBUG_MSG(str) (0L)
#define DEBUG_ERR(hr,str) (hr)
#endif
#endif // D3DUTIL_H
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