Head

GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/resources/vector.h	Lines:	2	23	8.7 %
Date:	2018-07-14	Branches:	0	0	0.0 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2007-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2018  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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 2 of the License, or
 *  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 RESOURCES_VECTOR_H
#define RESOURCES_VECTOR_H

#ifndef USE_SDL2
#include <cmath>
#endif  // USE_SDL2

#include <iostream>

#include "localconsts.h"

/**
 * Vector class. Represents either a 3D point in space, a velocity or a force.
 * Provides several convenient operator overloads.
 */
class Vector final
{
    public:
        /**
         * Constructor.
         */
        Vector() :
            x(0.0F),
            y(0.0F),
            z(0.0F)
        {}

        /**
         * Constructor.
         */
        Vector(const float x0,
               const float y0,
               const float z0) :
            x(x0),
            y(y0),
            z(z0)
        {}

        /**
         * Copy constructor.
         */
        Vector(const Vector &v) :
            x(v.x),
            y(v.y),
            z(v.z)
        {}

        A_DEFAULT_COPY(Vector)

        /**
         * Returns true if all coordinates are set to 0, otherwise returns
         * false.
         */
        bool isNull() const noexcept2 A_WARN_UNUSED
        {
            return x == 0.0F && y == 0.0F && z == 0.0F;
        }

        Vector &operator=(const Vector &v) noexcept2
        {
            x = v.x;
            y = v.y;
            z = v.z;
            return *this;
        }

        /**
         * Scale vector operator.
         */
        Vector operator*(const float c) const noexcept2 A_WARN_UNUSED
        {
            return Vector(x * c,
                          y * c,
                          z * c);
        }

        /**
         * In-place scale vector operator.
         */
        Vector &operator*=(const float c) noexcept2
        {
            x *= c;
            y *= c;
            z *= c;
            return *this;
        }

        /**
         * Scale vector operator.
         */
        Vector operator/(const float c) const noexcept2 A_WARN_UNUSED
        {
            return Vector(x / c,
                          y / c,
                          z / c);
        }

        /**
         * In-place scale vector operator.
         */
        Vector &operator/=(const float c) noexcept2 A_WARN_UNUSED
        {
            x /= c;
            y /= c;
            z /= c;
            return *this;
        }

        /**
         * Add vector operator.
         */
        Vector operator+(const Vector &v) const noexcept2 A_WARN_UNUSED
        {
            return Vector(x + v.x,
                          y + v.y,
                          z + v.z);
        }

        /**
         * In-place add vector operator.
         */
        Vector &operator+=(const Vector &v) noexcept2
        {
            x += v.x;
            y += v.y;
            z += v.z;
            return *this;
        }

        /**
         * Subtract vector operator.
         */
        Vector operator-(const Vector &v) const noexcept2 A_WARN_UNUSED
        {
            return Vector(x - v.x,
                          y - v.y,
                          z - v.z);
        }

        /**
         * In-place subtract vector operator.
         */
        Vector &operator-=(const Vector &v) noexcept2
        {
            x -= v.x;
            y -= v.y;
            z -= v.z;
            return *this;
        }

        /**
         * Returns the length of this vector. This method does a relatively
         * slow square root.
         */
        float length() const A_WARN_UNUSED
        {
            return sqrtf(x * x + y * y + z * z);
        }

        /**
         * Returns the squared length of this vector. Avoids the square root.
         */
        float squaredLength() const noexcept2 A_WARN_UNUSED
        {
            return x * x + y * y + z * z;
        }

        /**
         * Returns the manhattan length of this vector.
         */
        float manhattanLength() const A_WARN_UNUSED
        {
            return fabsf(x) + fabsf(y) + fabsf(z);
        }

        /**
         * Returns a normalized version of this vector. This is a unit vector
         * running parallel to it.
         */
        Vector normalized() const A_WARN_UNUSED
        {
            const float len = length();
            return Vector(x / len, y / len, z / len);
        }

        float x, y, z;
};

/**
 * Appends a string representation of a vector to the output stream.
 */
std::ostream& operator <<(std::ostream &os, const Vector &v);

#endif  // RESOURCES_VECTOR_H


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2007-2009 The Mana World Development Team
4			* Copyright (C) 2009-2010 The Mana Developers
5			* Copyright (C) 2011-2018 The ManaPlus Developers
6			*
7			* This file is part of The ManaPlus Client.
8			*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program. If not, see <http://www.gnu.org/licenses/>.
21			*/
22
23			#ifndef RESOURCES_VECTOR_H
24			#define RESOURCES_VECTOR_H
25
26			#ifndef USE_SDL2
27			#include <cmath>
28			#endif // USE_SDL2
29
30			#include <iostream>
31
32			#include "localconsts.h"
33
34			/**
35			* Vector class. Represents either a 3D point in space, a velocity or a force.
36			* Provides several convenient operator overloads.
37			*/
38			class Vector final
39			{
40			public:
41			/**
42			* Constructor.
43			*/
44		206	Vector() :
45			x(0.0F),
46			y(0.0F),
47		206	z(0.0F)
48			{}
49
50			/**
51			* Constructor.
52			*/
53			Vector(const float x0,
54			const float y0,
55			const float z0) :
56			x(x0),
57			y(y0),
58			z(z0)
59			{}
60
61			/**
62			* Copy constructor.
63			*/
64			Vector(const Vector &v) :
65			x(v.x),
66			y(v.y),
67			z(v.z)
68			{}
69
70			A_DEFAULT_COPY(Vector)
71
72			/**
73			* Returns true if all coordinates are set to 0, otherwise returns
74			* false.
75			*/
76			bool isNull() const noexcept2 A_WARN_UNUSED
77			{
78			return x == 0.0F && y == 0.0F && z == 0.0F;
79			}
80
81			Vector &operator=(const Vector &v) noexcept2
82			{
83			x = v.x;
84			y = v.y;
85			z = v.z;
86			return *this;
87			}
88
89			/**
90			* Scale vector operator.
91			*/
92			Vector operator*(const float c) const noexcept2 A_WARN_UNUSED
93			{
94			return Vector(x * c,
95			y * c,
96			z * c);
97			}
98
99			/**
100			* In-place scale vector operator.
101			*/
102			Vector &operator*=(const float c) noexcept2
103			{
104			x *= c;
105			y *= c;
106			z *= c;
107			return *this;
108			}
109
110			/**
111			* Scale vector operator.
112			*/
113			Vector operator/(const float c) const noexcept2 A_WARN_UNUSED
114			{
115			return Vector(x / c,
116			y / c,
117			z / c);
118			}
119
120			/**
121			* In-place scale vector operator.
122			*/
123			Vector &operator/=(const float c) noexcept2 A_WARN_UNUSED
124			{
125			x /= c;
126			y /= c;
127			z /= c;
128			return *this;
129			}
130
131			/**
132			* Add vector operator.
133			*/
134			Vector operator+(const Vector &v) const noexcept2 A_WARN_UNUSED
135			{
136			return Vector(x + v.x,
137			y + v.y,
138			z + v.z);
139			}
140
141			/**
142			* In-place add vector operator.
143			*/
144			Vector &operator+=(const Vector &v) noexcept2
145			{
146			x += v.x;
147			y += v.y;
148			z += v.z;
149			return *this;
150			}
151
152			/**
153			* Subtract vector operator.
154			*/
155			Vector operator-(const Vector &v) const noexcept2 A_WARN_UNUSED
156			{
157			return Vector(x - v.x,
158			y - v.y,
159			z - v.z);
160			}
161
162			/**
163			* In-place subtract vector operator.
164			*/
165			Vector &operator-=(const Vector &v) noexcept2
166			{
167			x -= v.x;
168			y -= v.y;
169			z -= v.z;
170			return *this;
171			}
172
173			/**
174			* Returns the length of this vector. This method does a relatively
175			* slow square root.
176			*/
177			float length() const A_WARN_UNUSED
178			{
179			return sqrtf(x * x + y * y + z * z);
180			}
181
182			/**
183			* Returns the squared length of this vector. Avoids the square root.
184			*/
185			float squaredLength() const noexcept2 A_WARN_UNUSED
186			{
187			return x * x + y * y + z * z;
188			}
189
190			/**
191			* Returns the manhattan length of this vector.
192			*/
193			float manhattanLength() const A_WARN_UNUSED
194			{
195			return fabsf(x) + fabsf(y) + fabsf(z);
196			}
197
198			/**
199			* Returns a normalized version of this vector. This is a unit vector
200			* running parallel to it.
201			*/
202			Vector normalized() const A_WARN_UNUSED
203			{
204			const float len = length();
205			return Vector(x / len, y / len, z / len);
206			}
207
208			float x, y, z;
209			};
210
211			/**
212			* Appends a string representation of a vector to the output stream.
213			*/
214			std::ostream& operator <<(std::ostream &os, const Vector &v);
215
216			#endif // RESOURCES_VECTOR_H