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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/>.
*
*/
#include "tetraedge/te/te_matricies_stack.h"
namespace Tetraedge {
TeMatriciesStack::TeMatriciesStack() {
_stack.push(TeMatrix4x4());
}
const TeMatrix4x4 &TeMatriciesStack::currentMatrix() const {
return _stack.top();
}
bool TeMatriciesStack::isEmpty() const {
return _stack.empty();
}
void TeMatriciesStack::loadIdentity() {
_stack.top() = TeMatrix4x4();
}
void TeMatriciesStack::loadMatrix(const TeMatrix4x4 &matrix) {
_stack.top() = matrix;
}
void TeMatriciesStack::multiplyMatrix(const TeMatrix4x4 &matrix) {
_stack.top() = _stack.top() * matrix;
}
void TeMatriciesStack::popMatrix() {
if (_stack.size() > 1)
_stack.pop();
}
void TeMatriciesStack::pushMatrix() {
_stack.push(_stack.top());
}
void TeMatriciesStack::rotate(const TeQuaternion &rot) {
_stack.top() = _stack.top() * rot.toTeMatrix();
}
void TeMatriciesStack::rotate(float angle, const TeVector3f32 &axis) {
rotate(TeQuaternion::fromAxisAndAngle(axis, angle));
}
void TeMatriciesStack::scale(const TeVector3f32 &scale) {
_stack.top().scale(scale);
}
long TeMatriciesStack::size() {
return _stack.size();
}
void TeMatriciesStack::translate(const TeVector3f32 &trans) {
_stack.top().translate(trans);
}
} // end namespace Tetraedge
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