MATH: Add stream-reading to the vector-classes

math/quat.h

@@ -41,6 +41,7 @@ public:
 	Quaternion() : Vector4d(0, 0, 0, 0) {}
 	Quaternion(float lx, float ly, float lz, float lw) : Vector4d(lx, ly, lz, lw) {}
 	Quaternion(const Quaternion &q) : Vector4d(q.x(), q.y(), q.z(), q.w()) {} 
+	Quaternion(const Vector4d &vec) : Vector4d(vec.x(), vec.y(), vec.z(), vec.w()) {}
 	
 	Matrix4 toMatrix();
 	void slerpQuat(Quaternion dst, const Quaternion from, const Quaternion to, const float t);
@@ -48,6 +49,7 @@ public:
 	inline static Quaternion get_quaternion(const char *data) {
 		return Quaternion(get_float(data), get_float(data + 4), get_float(data + 8), get_float(data + 12));
 	}
+	Quaternion& operator=(Vector4d &vec);
 };
 
 } // end of namespace Math

math/vector2d.cpp

@@ -21,7 +21,7 @@
  */
 
 #include "math/vector2d.h"
-
+#include "common/stream.h"
 #include "common/streamdebug.h"
 
 namespace Math {
@@ -67,4 +67,11 @@ Vector3d Vector2d::toVector3d() const {
 	return v;
 }
 	
+void Vector2d::readFromStream(Common::ReadStream *stream) {
+	char buf[8];
+	stream->read(buf, 8);
+	setX(get_float(buf));
+	setY(get_float(buf + 4));
+}
+
 }

math/vector2d.h

@@ -26,6 +26,10 @@
 #include "math/vector.h"
 #include "math/vector3d.h"
 
+namespace Common {
+class ReadStream;
+}
+
 namespace Math {
 
 template<>
@@ -45,6 +49,12 @@ public:
 	Angle getAngle() const;
 
 	Vector3d toVector3d() const;
+	
+	/**
+	 * Reads 2 floats from the passed stream, and uses them
+	 * as x and y in chronological order.
+	 */
+	void readFromStream(Common::ReadStream *stream);
 };
 
 typedef Matrix<2, 1> Vector2d;

math/vector3d.cpp

@@ -21,7 +21,7 @@
  */
 
 #include "common/streamdebug.h"
-
+#include "common/stream.h"
 #include "math/vector3d.h"
 
 namespace Math {
@@ -56,4 +56,12 @@ Angle Vector3d::unitCircleAngle() const {
 	return Angle::arcTangent2(y(), x());
 }
 	
+void Vector3d::readFromStream(Common::ReadStream *stream) {
+	char buf[12];
+	stream->read(buf, 12);
+	x() = get_float(buf);
+	y() = get_float(buf + 4);
+	z() = get_float(buf + 8);
 }
+
+} // end of namespace Math

math/vector3d.h

@@ -29,6 +29,10 @@
 #include "math/vector.h"
 #include "math/angle.h"
 
+namespace Common {
+class ReadStream;
+}
+
 namespace Math {
 
 typedef Matrix<3, 1> Vector3d;
@@ -68,6 +72,11 @@ public:
 		return Vector3d(get_float(data), get_float(data + 4), get_float(data + 8));
 	}
 	
+	/**
+	 * Reads 3 floats from the passed stream, and uses them
+	 * as x,y,z in chronological order.
+	 */
+	void readFromStream(Common::ReadStream *stream);
 };
 
 } // end of namespace Math

math/vector4d.cpp

@@ -21,7 +21,7 @@
  */
 
 #include "common/streamdebug.h"
-
+#include "common/stream.h"
 #include "math/vector4d.h"
 
 namespace Math {
@@ -51,4 +51,13 @@ void Vector4d::set(float lx, float ly, float lz, float lw) {
 	x() = lx; y() = ly; z() = lz; w() = lw;
 }
 	
+void Vector4d::readFromStream(Common::ReadStream *stream) {
+	char buf[16];
+	stream->read(buf, 16);
+	x() = get_float(buf);
+	y() = get_float(buf + 4);
+	z() = get_float(buf + 8);
+	w() = get_float(buf + 12);
 }
+	
+} // end of namespace Math

math/vector4d.h

@@ -29,6 +29,10 @@
 #include "math/vector.h"
 #include "math/angle.h"
 
+namespace Common {
+class ReadStream;
+}
+
 namespace Math {
 
 typedef Matrix<4, 1> Vector4d;
@@ -60,6 +64,11 @@ public:
 		return Vector4d(get_float(data), get_float(data + 4), get_float(data + 8), get_float(data + 12));
 	}
 	
+	/**
+	 * Reads 4 floats from the passed stream, and uses them
+	 * as x,y,z,w in chronological order.
+	 */
+	void readFromStream(Common::ReadStream *stream);
 };
 
 } // end of namespace Math