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engines/watchmaker/3d/math/Matrix4x4.h

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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/>.
+*
+*/
+
+#ifndef WATCHMAKER_MATRIX4X4_H
+#define WATCHMAKER_MATRIX4X4_H
+
+#include "common/scummsys.h"
+#include "common/textconsole.h"
+
+namespace Watchmaker {
+
+struct Matrix4x4 {
+	float data[16] = {};
+
+	void setIdentity() {
+		setValue(1, 1, 1.0f);
+		setValue(2, 2, 1.0f);
+		setValue(3, 3, 1.0f);
+		setValue(4, 4, 1.0f);
+	}
+
+	void setValue(int row, int col, float value) {
+		data[(col - 1) * 4 + (row - 1)] = value;
+	}
+	float getValue(int row, int col) const {
+		return data[(col - 1) * 4 + (row - 1)];
+	}
+	void print() const {
+		for (int row = 1; row <= 4; row++) {
+			for (int col = 1; col <= 4; col++) {
+				warning("%f ", getValue(row, col));
+			}
+			warning(" ");
+		}
+	}
+	bool operator==(const Matrix4x4 &rhs) const {
+		for (int row = 1; row <= 4; row++) {
+			for (int col = 1; col <= 4; col++) {
+				if (getValue(row, col) != rhs.getValue(row, col)) {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
+};
+
+
+} // End of namespace Watchmaker
+
+#endif // WATCHMAKER_MATRIX4X4_H