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engines/tetraedge/te/te_matricies_stack.cpp

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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);
+}
+
+uint TeMatriciesStack::size() {
+	return _stack.size();
+}
+
+void TeMatriciesStack::translate(const TeVector3f32 &trans) {
+	_stack.top().translate(trans);
+}
+
+} // end namespace Tetraedge