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Diffstat (limited to 'engines/titanic/star_control/daffine.cpp')
-rw-r--r-- | engines/titanic/star_control/daffine.cpp | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/engines/titanic/star_control/daffine.cpp b/engines/titanic/star_control/daffine.cpp deleted file mode 100644 index 0f176b65af..0000000000 --- a/engines/titanic/star_control/daffine.cpp +++ /dev/null @@ -1,232 +0,0 @@ -/* 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 2 - * 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#include "titanic/star_control/daffine.h" -#include "titanic/star_control/fmatrix.h" // includes FVector -#include "titanic/star_control/matrix_inv.h" -#include "titanic/star_control/matrix_transform.h" - -namespace Titanic { - -DAffine::DAffine() : - _col1(0.0, 0.0, 0.0), _col2(0.0, 0.0, 0.0), _col3(0.0, 0.0, 0.0), _col4(0.0, 0.0, 0.0) { -} - -DAffine::DAffine(int mode, const DVector &src) { - switch (mode) { - case 0: - _col1._x = 1.0; - _col2._y = 1.0; - _col3._z = 1.0; - _col4 = src; - break; - - case 1: - _col1._x = src._x; - _col2._y = src._y; - _col3._z = src._z; - break; - - default: - _col1._x = 1.0; - _col2._y = 1.0; - _col3._z = 1.0; - break; - } -} - -DAffine::DAffine(Axis axis, double angleDeg) { - setRotationMatrix(axis, angleDeg); -} - -DAffine::DAffine(const FMatrix &src) { - _col1 = src._row1; - _col2 = src._row2; - _col3 = src._row3; -} - -void DAffine::clear() { - _col1._x = 0.0; - _col1._y = 0.0; - _col1._z = 0.0; - _col2._x = 0.0; - _col2._y = 0.0; - _col2._z = 0.0; - _col3._x = 0.0; - _col3._y = 0.0; - _col3._z = 0.0; - _col4._x = 0.0; - _col4._y = 0.0; - _col4._z = 0.0; -} - -// Source: https://en.wikipedia.org/wiki/Rotation_matrix -void DAffine::setRotationMatrix(Axis axis, double angleDeg) { - clear(); - - double sinVal = sin(angleDeg * Deg2Rad); - double cosVal = cos(angleDeg * Deg2Rad); - - switch (axis) { - case X_AXIS: - _col1._x = 1.0; - _col2._y = cosVal; - _col2._z = sinVal; - _col3._y = -sinVal; - _col3._z = cosVal; - break; - - case Y_AXIS: - _col1._x = cosVal; - _col1._z = -sinVal; - _col2._y = 1.0; - _col3._x = sinVal; - _col3._z = cosVal; - break; - - case Z_AXIS: - _col1._x = cosVal; - _col1._y = sinVal; - _col2._x = -sinVal; - _col2._y = cosVal; - _col3._z = 1.0; - break; - - default: - break; - } -} - -void DAffine::rotVectAxisY(double angleDeg) { - _col1.rotVectAxisY(angleDeg); - _col2.rotVectAxisY(angleDeg); - _col3.rotVectAxisY(angleDeg); - _col4.rotVectAxisY(angleDeg); -} - -DAffine DAffine::inverseTransform() const { - DAffine m; - - // Create a 4x4 matrix so that the column 4 - // for the inverse can be obtained, - // it is not simply -inv(R)*_col4 - // Load input matrix - double A[16]={_col1._x,_col1._y,_col1._z, 0.0, - _col2._x,_col2._y,_col2._z, 0.0, - _col3._x,_col3._y,_col3._z, 0.0, - _col4._x,_col4._y,_col4._z, 1.0}; - // Inverse matrix - double B[16]={}; - - // B contains inverse of A - matrix4Inverse<double>(A,B); - - // Inverse of rotation matrix is the transpose - // While B contains the inverse of the rotation - // this method is more numerically accurate - m._col1._x = _col1._x; - m._col2._x = _col1._y; - m._col3._x = _col1._z; - m._col1._y = _col2._x; - m._col2._y = _col2._y; - m._col3._y = _col2._z; - m._col1._z = _col3._x; - m._col2._z = _col3._y; - m._col3._z = _col3._z; - - m._col4._x = B[12]; - m._col4._y = B[13]; - m._col4._z = B[14]; - - return m; -} - -//TODO: Check math and provide source -void DAffine::loadTransform(const CMatrixTransform &src) { - double total = src.fn1(); - double factor = (total <= 0.0) ? 0.0 : 2.0 / total; - DVector temp1V = src._vector * factor; - DVector temp2V = temp1V * src._vector; - - double val1 = temp1V._y * src._vector._x; - double val2 = temp1V._z * src._vector._x; - double val3 = temp1V._z * src._vector._y; - double val4 = temp1V._x * src._field0; - double val5 = temp1V._y * src._field0; - double val6 = temp1V._z * src._field0; - - _col1._x = 1.0 - (temp2V._z + temp2V._y); - _col1._y = val1 + val6; - _col1._z = val2 - val5; - _col2._x = val1 - val6; - _col2._y = 1.0 - (temp2V._z + temp2V._x); - _col2._z = val3 + val4; - _col3._x = val2 + val5; - _col3._y = val3 - val4; - _col3._z = 1.0 - (temp2V._y + temp2V._x); - _col4._x = 0; - _col4._y = 0; - _col4._z = 0; -} - -//TODO: Check math and provide source -DAffine DAffine::compose(const DAffine &m) { - DAffine dm; - dm._col1._x = m._col3._x * _col1._z + m._col2._x * _col1._y - + m._col1._x * _col1._x; - dm._col1._y = _col1._x * m._col1._y + m._col3._y * _col1._z - + m._col2._y * _col1._y; - dm._col1._z = _col1._x * m._col1._z + m._col3._z * _col1._z - + m._col2._z * _col1._y; - dm._col2._x = m._col1._x * _col2._x + _col2._y * m._col2._x - + _col2._z * m._col3._x; - dm._col2._y = _col2._y * m._col2._y + _col2._z * m._col3._y - + m._col1._y * _col2._x; - dm._col2._z = m._col1._z * _col2._x + _col2._y * m._col2._z - + _col2._z * m._col3._z; - dm._col3._x = m._col1._x * _col3._x + _col3._y * m._col2._x - + _col3._z * m._col3._x; - dm._col3._y = _col3._y * m._col2._y + _col3._z * m._col3._y - + m._col1._y * _col3._x; - dm._col3._z = m._col2._z * _col3._y + m._col3._z * _col3._z - + m._col1._z * _col3._x; - dm._col4._x = m._col1._x * _col4._x + _col4._y * m._col2._x - + _col4._z * m._col3._x + m._col4._x; - dm._col4._y = _col4._z * m._col3._y + _col4._y * m._col2._y - + _col4._x * m._col1._y + m._col4._y; - dm._col4._z = _col4._y * m._col2._z + _col4._x * m._col1._z - + _col4._z * m._col3._z + m._col4._z; - - return dm; -} - -DAffine DAffine::compose2(const DAffine &m) { - DAffine dm; - dm._col1 = _col1.dAffMatrixProdVec(m); - dm._col2 = _col2.dAffMatrixProdVec(m); - dm._col3 = _col3.dAffMatrixProdVec(m); - dm._col4 = _col4.dAffMatrixProdVec(m); - - return dm; -} - -} // End of namespace Titanic |