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engines/bagel/spacebar/boflib/fixed.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 BAGEL_BOFLIB_FIXED_H
+#define BAGEL_BOFLIB_FIXED_H
+
+#include "bagel/boflib/object.h"
+#include "bagel/boflib/misc.h"
+
+namespace Bagel {
+namespace SpaceBar {
+
+class CBofFixed : public CBofObject {
+private:
+	Fixed _lVal;
+	CBofFixed(const Fixed Arg) {
+		_lVal = Arg;
+	}
+
+public:
+	// Constructors
+	CBofFixed() {
+		_lVal = 0L;
+	}
+	CBofFixed(const CBofFixed &Arg) {
+		_lVal = Arg._lVal;
+	}
+	CBofFixed(const int Arg) {
+		_lVal = (Fixed)(((long)(Arg)) << 16);
+	}
+	CBofFixed(const double Arg) {
+		_lVal = (Fixed)(Arg * (1 << 16));
+	}
+
+	// Operators
+	// inline CBofFixed operator =(const CBofFixed& Arg) const;
+	CBofFixed operator+(const CBofFixed &Arg) const {
+		return _lVal + Arg._lVal;
+	}
+	CBofFixed operator-(const CBofFixed &Arg) const {
+		return _lVal - Arg._lVal;
+	}
+
+	CBofFixed operator*(const CBofFixed &Arg) const {
+		return fixedMultiply(_lVal, Arg._lVal);
+	}
+
+	CBofFixed operator/(const CBofFixed &Arg) const {
+		return fixedDivide(_lVal, Arg._lVal);
+	}
+
+	CBofFixed operator-=(const CBofFixed &Arg) {
+		_lVal -= Arg._lVal;
+		return *this;
+	}
+
+	CBofFixed operator+=(const CBofFixed &Arg) {
+		_lVal += Arg._lVal;
+		return *this;
+	}
+
+	CBofFixed operator*=(const CBofFixed &Arg) {
+		_lVal = _lVal * Arg._lVal;
+
+		return *this;
+	}
+
+	CBofFixed operator/=(const CBofFixed &Arg) {
+		_lVal = _lVal / Arg._lVal;
+
+		return *this;
+	}
+
+	CBofFixed operator=(const CBofFixed &Arg) {
+		_lVal = Arg._lVal;
+		return *this;
+	}
+
+	// Conversion operators
+	operator int() {
+		return (int)(((int32)_lVal) >> 16);
+	}
+};
+
+} // namespace SpaceBar
+} // namespace Bagel
+
+#endif