109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef QDENGINE_QDCORE_QD_ENGINE_D3DUTILS_H
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#define QDENGINE_QDCORE_QD_ENGINE_D3DUTILS_H
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#include "qdengine/xmath.h"
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namespace QDEngine {
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typedef float VALUE3D;
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typedef struct _MATRIX3D {
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VALUE3D m[4][4];
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_MATRIX3D() { }
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_MATRIX3D(VALUE3D _m00, VALUE3D _m01, VALUE3D _m02, VALUE3D _m03,
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VALUE3D _m10, VALUE3D _m11, VALUE3D _m12, VALUE3D _m13,
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VALUE3D _m20, VALUE3D _m21, VALUE3D _m22, VALUE3D _m23,
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VALUE3D _m30, VALUE3D _m31, VALUE3D _m32, VALUE3D _m33
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) {
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m[0][0] = _m00;
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m[0][1] = _m01;
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m[0][2] = _m02;
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m[0][3] = _m03;
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m[1][0] = _m10;
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m[1][1] = _m11;
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m[1][2] = _m12;
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m[1][3] = _m13;
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m[2][0] = _m20;
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m[2][1] = _m21;
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m[2][2] = _m22;
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m[2][3] = _m23;
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m[3][0] = _m30;
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m[3][1] = _m31;
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m[3][2] = _m32;
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m[3][3] = _m33;
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}
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VALUE3D &operator()(int iRow, int iColumn) {
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return m[iRow][iColumn];
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}
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const VALUE3D &operator()(int iRow, int iColumn) const {
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return m[iRow][iColumn];
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}
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} MATRIX3D, *LPDMATRIX3D;
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/*
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**-----------------------------------------------------------------------------
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** Function Prototypes
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**-----------------------------------------------------------------------------
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*/
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// generic simple matrix routines
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MATRIX3D ZeroMatrix();
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MATRIX3D IdentityMatrix();
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MATRIX3D ProjectionMatrix(const float near_plane, const float far_plane, const float fov);
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MATRIX3D ViewMatrixByDir(const Vect3f &from,
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const Vect3f &view_dir,
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const Vect3f &world_up,
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const Vect3f &cam_up);
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MATRIX3D ViewMatrix(const Vect3f &from, const Vect3f &at,
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const Vect3f &world_up,
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const Vect3f &cam_up);
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MATRIX3D RotateXMatrix(const float rads);
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MATRIX3D RotateYMatrix(const float rads);
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MATRIX3D RotateZMatrix(const float rads);
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MATRIX3D TranslateMatrix(const float dx, const float dy, const float dz);
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MATRIX3D TranslateMatrix(const Vect3f &v);
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MATRIX3D ScaleMatrix(const float size);
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MATRIX3D ScaleMatrix(const float a, const float b, const float c);
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MATRIX3D ScaleMatrix(const Vect3f &v);
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MATRIX3D MatrixMult(const MATRIX3D &a, const MATRIX3D &b);
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MATRIX3D MatrixInverse(const MATRIX3D &m);
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MATRIX3D MatrixTranspose(const MATRIX3D &m);
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Vect3f TransformVector(const Vect3f &v, const MATRIX3D &m);
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Vect3f TransformNormal(const Vect3f &v, const MATRIX3D &m);
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/*
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**-----------------------------------------------------------------------------
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** End of File
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**-----------------------------------------------------------------------------
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*/
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} // namespace QDEngine
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#endif // QDENGINE_QDCORE_QD_ENGINE_D3DUTILS_H
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