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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#ifndef HPL_MATRIX_H
#define HPL_MATRIX_H
#include "hpl1/engine/math/Vector3.h"
namespace hpl {
template<class T>
class cMatrix {
public:
// The ways to reference the matrix
// format is [row][col]
union {
T m[4][4];
T v[16];
};
//////////////////////////////////////////
// Constructors
/////////////////////////////////////////
inline cMatrix() {
}
//-----------------------------------------------------------------------
inline cMatrix(T *pA) {
FromVec(pA);
}
//-----------------------------------------------------------------------
inline cMatrix(double *pA) {
m[0][0] = (T)pA[0];
m[0][1] = (T)pA[1];
m[0][2] = (T)pA[2];
m[0][3] = (T)pA[3];
m[1][0] = (T)pA[4];
m[1][1] = (T)pA[5];
m[1][2] = (T)pA[6];
m[1][3] = (T)pA[7];
m[2][0] = (T)pA[8];
m[2][1] = (T)pA[9];
m[2][2] = (T)pA[10];
m[2][3] = (T)pA[11];
m[3][0] = (T)pA[12];
m[3][1] = (T)pA[13];
m[3][2] = (T)pA[14];
m[3][3] = (T)pA[15];
}
//-----------------------------------------------------------------------
inline constexpr cMatrix(
T a00, T a01, T a02, T a03,
T a10, T a11, T a12, T a13,
T a20, T a21, T a22, T a23,
T a30, T a31, T a32, T a33) : m{
{a00, a01, a02, a03},
{a10, a11, a12, a13},
{a20, a21, a22, a23},
{a30, a31, a32, a33}} {
}
static const cMatrix<T> Identity;
static const cMatrix<T> Zero;
//-----------------------------------------------------------------------
inline bool operator==(const cMatrix<T> &aMtx) const {
if (m[0][0] == aMtx.m[0][0] &&
m[0][1] == aMtx.m[0][1] &&
m[0][2] == aMtx.m[0][2] &&
m[0][3] == aMtx.m[0][3] &&
m[1][0] == aMtx.m[1][0] &&
m[1][1] == aMtx.m[1][1] &&
m[1][2] == aMtx.m[1][2] &&
m[1][3] == aMtx.m[1][3] &&
m[2][0] == aMtx.m[2][0] &&
m[2][1] == aMtx.m[2][1] &&
m[2][2] == aMtx.m[2][2] &&
m[2][3] == aMtx.m[2][3] &&
m[3][0] == aMtx.m[3][0] &&
m[3][1] == aMtx.m[3][1] &&
m[3][2] == aMtx.m[3][2] &&
m[3][3] == aMtx.m[3][3]) {
return true;
}
return false;
}
//-----------------------------------------------------------------------
inline bool operator!=(const cMatrix<T> &aMtx) {
return !(*this == aMtx);
}
//-----------------------------------------------------------------------
inline void FromVec(const T *pA) {
m[0][0] = pA[0];
m[0][1] = pA[1];
m[0][2] = pA[2];
m[0][3] = pA[3];
m[1][0] = pA[4];
m[1][1] = pA[5];
m[1][2] = pA[6];
m[1][3] = pA[7];
m[2][0] = pA[8];
m[2][1] = pA[9];
m[2][2] = pA[10];
m[2][3] = pA[11];
m[3][0] = pA[12];
m[3][1] = pA[13];
m[3][2] = pA[14];
m[3][3] = pA[15];
}
//-----------------------------------------------------------------------
inline void FromTranspose(const T *pA) {
m[0][0] = pA[0];
m[1][0] = pA[1];
m[2][0] = pA[2];
m[3][0] = pA[3];
m[0][1] = pA[4];
m[1][1] = pA[5];
m[2][1] = pA[6];
m[3][1] = pA[7];
m[0][2] = pA[8];
m[1][2] = pA[9];
m[2][2] = pA[10];
m[3][2] = pA[11];
m[0][3] = pA[12];
m[1][3] = pA[13];
m[2][3] = pA[14];
m[3][3] = pA[15];
}
//-----------------------------------------------------------------------
inline cVector3<T> GetRight() const {
/* @todo ??? */
return cVector3<T>(m[0][0], m[0][1], m[0][2]);
}
inline void SetRight(const cVector3<T> &avVec) {
m[0][0] = avVec.x;
m[0][1] = avVec.y;
m[0][2] = avVec.z;
}
//-----------------------------------------------------------------------
inline cVector3<T> GetUp() const {
/* @todo ??? */
return cVector3<T>(m[1][0], m[1][1], m[1][2]);
}
inline void SetUp(const cVector3<T> &avVec) {
m[1][0] = avVec.x;
m[1][1] = avVec.y;
m[1][2] = avVec.z;
}
//-----------------------------------------------------------------------
inline cVector3<T> GetForward() const {
/* @todo ??? */
return cVector3<T>(m[2][0], m[2][1], m[2][2]);
}
inline void SetForward(const cVector3<T> &avVec) {
m[2][0] = avVec.x;
m[2][1] = avVec.y;
m[2][2] = avVec.z;
}
//-----------------------------------------------------------------------
inline cVector3<T> GetTranslation() const {
/* @todo ??? */
return cVector3<T>(m[0][3], m[1][3], m[2][3]);
}
inline void SetTranslation(const cVector3<T> &avTrans) {
m[0][3] = avTrans.x;
m[1][3] = avTrans.y;
m[2][3] = avTrans.z;
}
//-----------------------------------------------------------------------
inline cMatrix<T> GetRotation() const {
return cMatrix<T>(m[0][0], m[0][1], m[0][2], 0,
m[1][0], m[1][1], m[1][2], 0,
m[2][0], m[2][1], m[2][2], 0,
0, 0, 0, 1);
}
//-----------------------------------------------------------------------
inline cMatrix<T> GetTranspose() const {
return cMatrix<T>(m[0][0], m[1][0], m[2][0], m[3][0],
m[0][1], m[1][1], m[2][1], m[3][1],
m[0][2], m[1][2], m[2][2], m[3][2],
m[0][3], m[1][3], m[2][3], m[3][3]);
}
//-----------------------------------------------------------------------
tString ToString() {
char buf[512];
snprintf(buf, 512, "[%f : %f : %f : %f] [%f : %f : %f : %f] [%f : %f : %f : %f] [%f : %f : %f : %f]",
m[0][0], m[0][1], m[0][2], m[0][3],
m[1][0], m[1][1], m[1][2], m[1][3],
m[2][0], m[2][1], m[2][2], m[2][3],
m[3][0], m[3][1], m[3][2], m[3][3]);
return buf;
}
tString ToFileString() {
char buf[512];
snprintf(buf, 512, "%g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %g",
m[0][0], m[0][1], m[0][2], m[0][3],
m[1][0], m[1][1], m[1][2], m[1][3],
m[2][0], m[2][1], m[2][2], m[2][3],
m[3][0], m[3][1], m[3][2], m[3][3]);
return buf;
}
};
} // namespace hpl
#endif // HPL_MATRIX_H
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