📄 d3dx9math.inl

📁 vc6.0完整版
💻 INL
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D3DXINLINE
D3DXMATRIX::D3DXMATRIX( CONST FLOAT* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    memcpy(&_11, pf, sizeof(D3DXMATRIX));
}

D3DXINLINE
D3DXMATRIX::D3DXMATRIX( CONST D3DMATRIX& mat )
{
    memcpy(&_11, &mat, sizeof(D3DXMATRIX));
}

D3DXINLINE
D3DXMATRIX::D3DXMATRIX( CONST D3DXFLOAT16* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    D3DXFloat16To32Array(&_11, pf, 16);
}

D3DXINLINE
D3DXMATRIX::D3DXMATRIX( FLOAT f11, FLOAT f12, FLOAT f13, FLOAT f14,
                        FLOAT f21, FLOAT f22, FLOAT f23, FLOAT f24,
                        FLOAT f31, FLOAT f32, FLOAT f33, FLOAT f34,
                        FLOAT f41, FLOAT f42, FLOAT f43, FLOAT f44 )
{
    _11 = f11; _12 = f12; _13 = f13; _14 = f14;
    _21 = f21; _22 = f22; _23 = f23; _24 = f24;
    _31 = f31; _32 = f32; _33 = f33; _34 = f34;
    _41 = f41; _42 = f42; _43 = f43; _44 = f44;
}



// access grants
D3DXINLINE FLOAT&
D3DXMATRIX::operator () ( UINT iRow, UINT iCol )
{
    return m[iRow][iCol];
}

D3DXINLINE FLOAT
D3DXMATRIX::operator () ( UINT iRow, UINT iCol ) const
{
    return m[iRow][iCol];
}


// casting operators
D3DXINLINE
D3DXMATRIX::operator FLOAT* ()
{
    return (FLOAT *) &_11;
}

D3DXINLINE
D3DXMATRIX::operator CONST FLOAT* () const
{
    return (CONST FLOAT *) &_11;
}


// assignment operators
D3DXINLINE D3DXMATRIX&
D3DXMATRIX::operator *= ( CONST D3DXMATRIX& mat )
{
    D3DXMatrixMultiply(this, this, &mat);
    return *this;
}

D3DXINLINE D3DXMATRIX&
D3DXMATRIX::operator += ( CONST D3DXMATRIX& mat )
{
    _11 += mat._11; _12 += mat._12; _13 += mat._13; _14 += mat._14;
    _21 += mat._21; _22 += mat._22; _23 += mat._23; _24 += mat._24;
    _31 += mat._31; _32 += mat._32; _33 += mat._33; _34 += mat._34;
    _41 += mat._41; _42 += mat._42; _43 += mat._43; _44 += mat._44;
    return *this;
}

D3DXINLINE D3DXMATRIX&
D3DXMATRIX::operator -= ( CONST D3DXMATRIX& mat )
{
    _11 -= mat._11; _12 -= mat._12; _13 -= mat._13; _14 -= mat._14;
    _21 -= mat._21; _22 -= mat._22; _23 -= mat._23; _24 -= mat._24;
    _31 -= mat._31; _32 -= mat._32; _33 -= mat._33; _34 -= mat._34;
    _41 -= mat._41; _42 -= mat._42; _43 -= mat._43; _44 -= mat._44;
    return *this;
}

D3DXINLINE D3DXMATRIX&
D3DXMATRIX::operator *= ( FLOAT f )
{
    _11 *= f; _12 *= f; _13 *= f; _14 *= f;
    _21 *= f; _22 *= f; _23 *= f; _24 *= f;
    _31 *= f; _32 *= f; _33 *= f; _34 *= f;
    _41 *= f; _42 *= f; _43 *= f; _44 *= f;
    return *this;
}

D3DXINLINE D3DXMATRIX&
D3DXMATRIX::operator /= ( FLOAT f )
{
    FLOAT fInv = 1.0f / f;
    _11 *= fInv; _12 *= fInv; _13 *= fInv; _14 *= fInv;
    _21 *= fInv; _22 *= fInv; _23 *= fInv; _24 *= fInv;
    _31 *= fInv; _32 *= fInv; _33 *= fInv; _34 *= fInv;
    _41 *= fInv; _42 *= fInv; _43 *= fInv; _44 *= fInv;
    return *this;
}


// unary operators
D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator + () const
{
    return *this;
}

D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator - () const
{
    return D3DXMATRIX(-_11, -_12, -_13, -_14,
                      -_21, -_22, -_23, -_24,
                      -_31, -_32, -_33, -_34,
                      -_41, -_42, -_43, -_44);
}


// binary operators
D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator * ( CONST D3DXMATRIX& mat ) const
{
    D3DXMATRIX matT;
    D3DXMatrixMultiply(&matT, this, &mat);
    return matT;
}

D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator + ( CONST D3DXMATRIX& mat ) const
{
    return D3DXMATRIX(_11 + mat._11, _12 + mat._12, _13 + mat._13, _14 + mat._14,
                      _21 + mat._21, _22 + mat._22, _23 + mat._23, _24 + mat._24,
                      _31 + mat._31, _32 + mat._32, _33 + mat._33, _34 + mat._34,
                      _41 + mat._41, _42 + mat._42, _43 + mat._43, _44 + mat._44);
}

D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator - ( CONST D3DXMATRIX& mat ) const
{
    return D3DXMATRIX(_11 - mat._11, _12 - mat._12, _13 - mat._13, _14 - mat._14,
                      _21 - mat._21, _22 - mat._22, _23 - mat._23, _24 - mat._24,
                      _31 - mat._31, _32 - mat._32, _33 - mat._33, _34 - mat._34,
                      _41 - mat._41, _42 - mat._42, _43 - mat._43, _44 - mat._44);
}

D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator * ( FLOAT f ) const
{
    return D3DXMATRIX(_11 * f, _12 * f, _13 * f, _14 * f,
                      _21 * f, _22 * f, _23 * f, _24 * f,
                      _31 * f, _32 * f, _33 * f, _34 * f,
                      _41 * f, _42 * f, _43 * f, _44 * f);
}

D3DXINLINE D3DXMATRIX
D3DXMATRIX::operator / ( FLOAT f ) const
{
    FLOAT fInv = 1.0f / f;
    return D3DXMATRIX(_11 * fInv, _12 * fInv, _13 * fInv, _14 * fInv,
                      _21 * fInv, _22 * fInv, _23 * fInv, _24 * fInv,
                      _31 * fInv, _32 * fInv, _33 * fInv, _34 * fInv,
                      _41 * fInv, _42 * fInv, _43 * fInv, _44 * fInv);
}


D3DXINLINE D3DXMATRIX
operator * ( FLOAT f, CONST D3DXMATRIX& mat )
{
    return D3DXMATRIX(f * mat._11, f * mat._12, f * mat._13, f * mat._14,
                      f * mat._21, f * mat._22, f * mat._23, f * mat._24,
                      f * mat._31, f * mat._32, f * mat._33, f * mat._34,
                      f * mat._41, f * mat._42, f * mat._43, f * mat._44);
}


D3DXINLINE BOOL
D3DXMATRIX::operator == ( CONST D3DXMATRIX& mat ) const
{
    return 0 == memcmp(this, &mat, sizeof(D3DXMATRIX));
}

D3DXINLINE BOOL
D3DXMATRIX::operator != ( CONST D3DXMATRIX& mat ) const
{
    return 0 != memcmp(this, &mat, sizeof(D3DXMATRIX));
}



//--------------------------
// Aligned Matrices
//--------------------------

D3DXINLINE
_D3DXMATRIXA16::_D3DXMATRIXA16( CONST FLOAT* f ) : 
    D3DXMATRIX( f ) 
{
}

D3DXINLINE
_D3DXMATRIXA16::_D3DXMATRIXA16( CONST D3DMATRIX& m ) : 
    D3DXMATRIX( m ) 
{
}

D3DXINLINE
_D3DXMATRIXA16::_D3DXMATRIXA16( CONST D3DXFLOAT16* f ) : 
    D3DXMATRIX( f ) 
{
}

D3DXINLINE
_D3DXMATRIXA16::_D3DXMATRIXA16( FLOAT _11, FLOAT _12, FLOAT _13, FLOAT _14,
                                FLOAT _21, FLOAT _22, FLOAT _23, FLOAT _24,
                                FLOAT _31, FLOAT _32, FLOAT _33, FLOAT _34,
                                FLOAT _41, FLOAT _42, FLOAT _43, FLOAT _44 ) :
    D3DXMATRIX(_11, _12, _13, _14,
               _21, _22, _23, _24,
               _31, _32, _33, _34,
               _41, _42, _43, _44) 
{
}

D3DXINLINE void* 
_D3DXMATRIXA16::operator new( size_t s )
{
    LPBYTE p = ::new BYTE[s + 16];
    if (p)
    {
        BYTE offset = (BYTE)(16 - ((UINT_PTR)p & 15));
        p += offset;
        p[-1] = offset;
    }
    return p;
}

D3DXINLINE void* 
_D3DXMATRIXA16::operator new[](size_t s)
{
    LPBYTE p = ::new BYTE[s + 16];
    if (p)
    {
        BYTE offset = (BYTE)(16 - ((UINT_PTR)p & 15));
        p += offset;
        p[-1] = offset;
    }
    return p;
}

D3DXINLINE void 
_D3DXMATRIXA16::operator delete(void* p)
{
    if(p)
    {
        BYTE* pb = static_cast<BYTE*>(p);
        pb -= pb[-1];
        ::delete [] pb;
    }
}

D3DXINLINE void 
_D3DXMATRIXA16::operator delete[](void* p)
{
    if(p)
    {
        BYTE* pb = static_cast<BYTE*>(p);
        pb -= pb[-1];
        ::delete [] pb;
    }
}

D3DXINLINE _D3DXMATRIXA16& 
_D3DXMATRIXA16::operator=(CONST D3DXMATRIX& rhs)
{
    memcpy(&_11, &rhs, sizeof(D3DXMATRIX));
    return *this;
}


//--------------------------
// Quaternion
//--------------------------

D3DXINLINE
D3DXQUATERNION::D3DXQUATERNION( CONST FLOAT* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    x = pf[0];
    y = pf[1];
    z = pf[2];
    w = pf[3];
}

D3DXINLINE
D3DXQUATERNION::D3DXQUATERNION( CONST D3DXFLOAT16* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    D3DXFloat16To32Array(&x, pf, 4);
}

D3DXINLINE
D3DXQUATERNION::D3DXQUATERNION( FLOAT fx, FLOAT fy, FLOAT fz, FLOAT fw )
{
    x = fx;
    y = fy;
    z = fz;
    w = fw;
}


// casting
D3DXINLINE
D3DXQUATERNION::operator FLOAT* ()
{
    return (FLOAT *) &x;
}

D3DXINLINE
D3DXQUATERNION::operator CONST FLOAT* () const
{
    return (CONST FLOAT *) &x;
}


// assignment operators
D3DXINLINE D3DXQUATERNION&
D3DXQUATERNION::operator += ( CONST D3DXQUATERNION& q )
{
    x += q.x;
    y += q.y;
    z += q.z;
    w += q.w;
    return *this;
}

D3DXINLINE D3DXQUATERNION&
D3DXQUATERNION::operator -= ( CONST D3DXQUATERNION& q )
{
    x -= q.x;
    y -= q.y;
    z -= q.z;
    w -= q.w;
    return *this;
}

D3DXINLINE D3DXQUATERNION&
D3DXQUATERNION::operator *= ( CONST D3DXQUATERNION& q )
{
    D3DXQuaternionMultiply(this, this, &q);
    return *this;
}

D3DXINLINE D3DXQUATERNION&
D3DXQUATERNION::operator *= ( FLOAT f )
{
    x *= f;
    y *= f;
    z *= f;
    w *= f;
    return *this;
}

D3DXINLINE D3DXQUATERNION&
D3DXQUATERNION::operator /= ( FLOAT f )
{
    FLOAT fInv = 1.0f / f;
    x *= fInv;
    y *= fInv;
    z *= fInv;
    w *= fInv;
    return *this;
}


// unary operators
D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator + () const
{
    return *this;
}

D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator - () const
{
    return D3DXQUATERNION(-x, -y, -z, -w);
}


// binary operators
D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator + ( CONST D3DXQUATERNION& q ) const
{
    return D3DXQUATERNION(x + q.x, y + q.y, z + q.z, w + q.w);
}

D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator - ( CONST D3DXQUATERNION& q ) const
{
    return D3DXQUATERNION(x - q.x, y - q.y, z - q.z, w - q.w);
}

D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator * ( CONST D3DXQUATERNION& q ) const
{
    D3DXQUATERNION qT;
    D3DXQuaternionMultiply(&qT, this, &q);
    return qT;
}

D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator * ( FLOAT f ) const
{
    return D3DXQUATERNION(x * f, y * f, z * f, w * f);
}

D3DXINLINE D3DXQUATERNION
D3DXQUATERNION::operator / ( FLOAT f ) const
{
    FLOAT fInv = 1.0f / f;
    return D3DXQUATERNION(x * fInv, y * fInv, z * fInv, w * fInv);
}


D3DXINLINE D3DXQUATERNION
operator * (FLOAT f, CONST D3DXQUATERNION& q )
{
    return D3DXQUATERNION(f * q.x, f * q.y, f * q.z, f * q.w);
}


D3DXINLINE BOOL
D3DXQUATERNION::operator == ( CONST D3DXQUATERNION& q ) const
{
    return x == q.x && y == q.y && z == q.z && w == q.w;
}

D3DXINLINE BOOL
D3DXQUATERNION::operator != ( CONST D3DXQUATERNION& q ) const
{
    return x != q.x || y != q.y || z != q.z || w != q.w;
}



//--------------------------
// Plane
//--------------------------

D3DXINLINE
D3DXPLANE::D3DXPLANE( CONST FLOAT* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    a = pf[0];
    b = pf[1];
    c = pf[2];
    d = pf[3];
}

D3DXINLINE
D3DXPLANE::D3DXPLANE( CONST D3DXFLOAT16* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    D3DXFloat16To32Array(&a, pf, 4);
}

D3DXINLINE
D3DXPLANE::D3DXPLANE( FLOAT fa, FLOAT fb, FLOAT fc, FLOAT fd )
{
    a = fa;
    b = fb;
    c = fc;
    d = fd;
}


// casting
D3DXINLINE
D3DXPLANE::operator FLOAT* ()
{
    return (FLOAT *) &a;
}

D3DXINLINE
D3DXPLANE::operator CONST FLOAT* () const
{
    return (CONST FLOAT *) &a;
}


// unary operators
D3DXINLINE D3DXPLANE
D3DXPLANE::operator + () const
{
    return *this;
}

D3DXINLINE D3DXPLANE
D3DXPLANE::operator - () const
{
    return D3DXPLANE(-a, -b, -c, -d);
}


// binary operators
D3DXINLINE BOOL
D3DXPLANE::operator == ( CONST D3DXPLANE& p ) const
{
    return a == p.a && b == p.b && c == p.c && d == p.d;
}

D3DXINLINE BOOL
D3DXPLANE::operator != ( CONST D3DXPLANE& p ) const
{
    return a != p.a || b != p.b || c != p.c || d != p.d;
}




//--------------------------
// Color
//--------------------------

D3DXINLINE
D3DXCOLOR::D3DXCOLOR( DWORD dw )
{
    CONST FLOAT f = 1.0f / 255.0f;
    r = f * (FLOAT) (unsigned char) (dw >> 16);
    g = f * (FLOAT) (unsigned char) (dw >>  8);
    b = f * (FLOAT) (unsigned char) (dw >>  0);
    a = f * (FLOAT) (unsigned char) (dw >> 24);
}

D3DXINLINE
D3DXCOLOR::D3DXCOLOR( CONST FLOAT* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    r = pf[0];
    g = pf[1];
    b = pf[2];
    a = pf[3];
}

D3DXINLINE
D3DXCOLOR::D3DXCOLOR( CONST D3DXFLOAT16* pf )
{
#ifdef D3DX_DEBUG
    if(!pf)
        return;
#endif

    D3DXFloat16To32Array(&r, pf, 4);
}

D3DXINLINE
D3DXCOLOR::D3DXCOLOR( CONST D3DCOLORVALUE& c )
{
    r = c.r;
    g = c.g;
    b = c.b;
    a = c.a;
}

D3DXINLINE
D3DXCOLOR::D3DXCOLOR( FLOAT fr, FLOAT fg, FLOAT fb, FLOAT fa )
{
    r = fr;
    g = fg;
    b = fb;
    a = fa;
}


// casting
D3DXINLINE
D3DXCOLOR::operator DWORD () const
{
    DWORD dwR = r >= 1.0f ? 0xff : r <= 0.0f ? 0x00 : (DWORD) (r * 255.0f + 0.5f);
    DWORD dwG = g >= 1.0f ? 0xff : g <= 0.0f ? 0x00 : (DWORD) (g * 255.0f + 0.5f);
    DWORD dwB = b >= 1.0f ? 0xff : b <= 0.0f ? 0x00 : (DWORD) (b * 255.0f + 0.5f);
    DWORD dwA = a >= 1.0f ? 0xff : a <= 0.0f ? 0x00 : (DWORD) (a * 255.0f + 0.5f);

    return (dwA << 24) | (dwR << 16) | (dwG << 8) | dwB;
}


D3DXINLINE
D3DXCOLOR::operator FLOAT * ()
{
    return (FLOAT *) &r;
}

D3DXINLINE
D3DXCOLOR::operator CONST FLOAT * () const
{
    return (CONST FLOAT *) &r;
}


D3DXINLINE
D3DXCOLOR::operator D3DCOLORVALUE * ()
{
    return (D3DCOLORVALUE *) &r;
}

D3DXINLINE
D3DXCOLOR::operator CONST D3DCOLORVALUE * () const
{
    return (CONST D3DCOLORVALUE *) &r;
}


D3DXINLINE
D3DXCOLOR::operator D3DCOLORVALUE& ()
{
    return *((D3DCOLORVALUE *) &r);
}

D3DXINLINE
D3DXCOLOR::operator CONST D3DCOLORVALUE& () const
{
    return *((CONST D3DCOLORVALUE *) &r);
}


// assignment operators
D3DXINLINE D3DXCOLOR&
D3DXCOLOR::operator += ( CONST D3DXCOLOR& c )
{
    r += c.r;
    g += c.g;
    b += c.b;
    a += c.a;
    return *this;
}

D3DXINLINE D3DXCOLOR&
D3DXCOLOR::operator -= ( CONST D3DXCOLOR& c )
{
    r -= c.r;
    g -= c.g;
    b -= c.b;
    a -= c.a;
    return *this;
}

D3DXINLINE D3DXCOLOR&
D3DXCOLOR::operator *= ( FLOAT f )
{
    r *= f;
    g *= f;
    b *= f;
    a *= f;
    return *this;
}

D3DXINLINE D3DXCOLOR&
D3DXCOLOR::operator /= ( FLOAT f )
{
    FLOAT fInv = 1.0f / f;
    r *= fInv;
    g *= fInv;
    b *= fInv;
    a *= fInv;
    return *this;
}


// unary operators
D3DXINLINE D3DXCOLOR
D3DXCOLOR::operator + () const
{
    return *this;
}

D3DXINLINE D3DXCOLOR
D3DXCOLOR::operator - () const
{
    return D3DXCOLOR(-r, -g, -b, -a);
}


// binary operators
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#6.0 #vc
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