Put the code in a namespace

.clang-format

@@ -9,8 +9,8 @@ BreakConstructorInitializers: BeforeColon
 BreakInheritanceList: BeforeColon
 ColumnLimit: '0'
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
-NamespaceIndentation: All
 PenaltyReturnTypeOnItsOwnLine: '10000'
 PointerAlignment: Middle
-
+FixNamespaceComments: true
+NamespaceIndentation: None
 ...

lib/Board.cpp

@@ -1,5 +1,7 @@
 #include "Board.hpp"
 
+namespace pacman {
+
 // Legend
 // 0 - wall
 // 1 - pellet
@@ -87,3 +89,5 @@ std::vector<GridPosition> Board::initialSuperPelletPositions() {
   }
   return positions;
 }
+
+} // namespace pacman

lib/Canvas.cpp

@@ -4,6 +4,8 @@
 #include <string>
 #include <vector>
 
+namespace pacman {
+
 Canvas::Canvas()
   : window(sf::VideoMode(windowDimensions().width, windowDimensions().height),
            "Pacman",
@@ -152,3 +154,5 @@ sf::Font Canvas::loadFont(std::string_view path) {
   }
   return font;
 }
+
+} // namespace pacman

lib/Game.cpp

@@ -2,6 +2,8 @@
 
 #include <chrono>
 
+namespace pacman {
+
 constexpr int DEFAULT_LIVES = 3;
 constexpr int NORMAL_PELLET_POINTS = 10;
 constexpr int POWER_PELLET_POINTS = 50;
@@ -127,3 +129,5 @@ void Game::processEvents(InputState & inputState) {
   inputState.left = sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Left);
   inputState.right = sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Right);
 }
+
+} // namespace pacman

lib/Ghost.cpp

@@ -2,6 +2,8 @@
 #include <array>
 #include <cmath>
 
+namespace pacman {
+
 Ghost::Ghost(Atlas::Ghost spritesSet, Position startingPosition, Position scatterTarget)
   : spritesSet(spritesSet),
     pos(startingPosition),
@@ -177,3 +179,5 @@ Inky::Inky(const Board & board)
 Clyde::Clyde(const Board & board)
   : Ghost(Atlas::Ghost::clyde, board.initialClydePosition(), board.clydeScatterTarget()) {
 }
+
+} // namespace pacman

lib/PacMan.cpp

@@ -1,6 +1,8 @@
 #include "PacMan.hpp"
 #include <cmath>
 
+namespace pacman {
+
 PacMan::PacMan(const Board & board)
   : pos(Board::initialPacManPosition()) {}
 
@@ -84,8 +86,7 @@ void PacMan::updateMazePosition(std::chrono::milliseconds time_delta, const Boar
     pos.x = -1;
   } else if (pos.x <= 0 && direction == Direction::LEFT) {
     pos.x = COLUMNS;
-  }
-  else if (board.isWalkableForPacMan(cellAtPosition(pos, position_delta, desired_direction))) {
+  } else if (board.isWalkableForPacMan(cellAtPosition(pos, position_delta, desired_direction))) {
     direction = desired_direction;
   }
 
@@ -112,3 +113,5 @@ void PacMan::updateMazePosition(std::chrono::milliseconds time_delta, const Boar
     }
   }
 }
+
+} // namespace pacman

lib/PacManAnimation.cpp

@@ -1,5 +1,7 @@
 #include "PacManAnimation.hpp"
 
+namespace pacman {
+
 GridPosition PacManAnimation::animationFrame(Direction direction) const {
   switch (direction) {
     case Direction::LEFT:
@@ -37,3 +39,5 @@ void PacManAnimation::pause() {
   animation_position = 0;
   animation_position_delta = 0;
 }
+
+} // namespace pacman

lib/Pellets.cpp

@@ -1,6 +1,8 @@
 #include "Pellets.hpp"
 #include <algorithm>
 
+namespace pacman {
+
 Pellets::Pellets(const Board & board)
   : positions(board.initialPelletPositions()) {}
 
@@ -11,3 +13,5 @@ bool Pellets::eatPelletAtPosition(GridPosition p) {
   positions.erase(it);
   return true;
 }
+
+} // namespace pacman

lib/SuperPellets.cpp

@@ -1,6 +1,8 @@
 #include "SuperPellets.hpp"
 #include <algorithm>
 
+namespace pacman {
+
 SuperPellets::SuperPellets(const Board & board)
   : positions(board.initialSuperPelletPositions()) {}
 
@@ -11,3 +13,5 @@ bool SuperPellets::eatPelletAtPosition(GridPosition p) {
   positions.erase(it);
   return true;
 }
+
+} // namespace pacman

lib/include/Atlas.hpp

@@ -6,7 +6,7 @@
 
 #include <array>
 
-namespace Atlas {
+namespace pacman::Atlas {
 
 enum class Ghost {
   blinky = 2,
@@ -89,4 +89,4 @@ namespace Atlas {
                                             Atlas::ghost_white_frightened2 };
   return positions[animationIndex];
 }
-}
+} // namespace pacman::Atlas

lib/include/Board.hpp

@@ -8,6 +8,8 @@
 #include <cstdint>
 #include <vector>
 
+namespace pacman {
+
 const std::size_t ROWS = 31;
 const std::size_t COLUMNS = 28;
 
@@ -53,3 +55,5 @@ private:
     ROWS>
     board;
 };
+
+} // namespace pacman

lib/include/Canvas.hpp

@@ -4,6 +4,8 @@
 #include "Score.hpp"
 #include <optional>
 
+namespace pacman {
+
 class Game;
 class Ghost;
 class PacMan;
@@ -49,3 +51,5 @@ private:
   sf::Texture sprites_texture;
   sf::Font game_font;
 };
+
+} // namespace pacman

lib/include/Direction.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+namespace pacman {
+
 enum class Direction {
   NONE,
   LEFT,
@@ -23,3 +25,5 @@ inline Direction oppositeDirection(Direction d) {
   }
   return d;
 }
+
+} // namespace pacman

lib/include/Game.hpp

@@ -8,6 +8,8 @@
 #include "Score.hpp"
 #include "SuperPellets.hpp"
 
+namespace pacman {
+
 class InputState;
 
 class Game {
@@ -34,3 +36,5 @@ private:
 
   [[nodiscard]] static auto now();
 };
+
+} // namespace pacman

lib/include/Ghost.hpp

@@ -6,6 +6,8 @@
 #include "Board.hpp"
 #include "Position.hpp"
 
+namespace pacman {
+
 class Ghost {
 public:
   enum class State {
@@ -71,3 +73,5 @@ class Clyde : public Ghost {
 public:
   explicit Clyde(const Board & board);
 };
+
+} // namespace pacman

lib/include/InputState.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+namespace pacman {
+
 class InputState {
 public:
   bool close = false;
@@ -8,3 +10,5 @@ public:
   bool left = false;
   bool right = false;
 };
+
+} // namespace pacman

lib/include/PacMan.hpp

@@ -6,6 +6,8 @@
 
 #include <chrono>
 
+namespace pacman {
+
 class Board;
 class InputState;
 
@@ -39,3 +41,5 @@ private:
   void updateAnimationPosition(std::chrono::milliseconds time_delta, bool paused);
   void updateMazePosition(std::chrono::milliseconds time_delta, const Board & board);
 };
+
+} // namespace pacman

lib/include/PacManAnimation.hpp

@@ -8,6 +8,8 @@
 
 #include <chrono>
 
+namespace pacman {
+
 class PacManAnimation {
 public:
   [[nodiscard]] GridPosition animationFrame(Direction direction) const;
@@ -24,3 +26,5 @@ private:
   const GridPosition right_animation[4]{ Atlas::pacman_right_wide, Atlas::pacman_right_narrow, Atlas::pacman_closed, Atlas::pacman_right_narrow };
   const GridPosition up_animation[4]{ Atlas::pacman_up_wide, Atlas::pacman_up_narrow, Atlas::pacman_closed, Atlas::pacman_up_narrow };
 };
+
+} // namespace pacman

lib/include/Pellets.hpp

@@ -3,6 +3,8 @@
 #include "Board.hpp"
 #include "Position.hpp"
 
+namespace pacman {
+
 class Pellets {
 public:
   explicit Pellets(const Board & board);
@@ -21,3 +23,5 @@ private:
   const GridPosition sprite = { 1, 9 };
   std::vector<GridPosition> positions;
 };
+
+} // namespace pacman

lib/include/Position.hpp

@@ -2,6 +2,8 @@
 
 #include <SFML/Graphics.hpp>
 
+namespace pacman {
+
 struct Position {
   double x;
   double y;
@@ -31,3 +33,5 @@ inline bool operator==(const Position & a, const Position & b) {
 inline bool operator!=(const Position & a, const Position & b) {
   return !(a == b);
 }
+
+} // namespace pacman

lib/include/Score.hpp

@@ -1,7 +1,10 @@
 #pragma once
+namespace pacman {
 
 struct Score {
   int lives = 0;
   int points = 0;
   int eatenPellets = 0;
 };
+
+} // namespace pacman

lib/include/SuperPellets.hpp

@@ -3,6 +3,8 @@
 #include "Board.hpp"
 #include "Position.hpp"
 
+namespace pacman {
+
 class SuperPellets {
 public:
   explicit SuperPellets(const Board & board);
@@ -21,3 +23,5 @@ private:
   const GridPosition sprite = { 0, 9 };
   std::vector<GridPosition> positions;
 };
+
+} // namespace pacman

src/main.cpp

@@ -1,7 +1,7 @@
 #include "Game.hpp"
 
 int main() {
-  Game game;
+  pacman::Game game;
   game.run();
   return 0;
 }

test/tests.cpp

@@ -2,8 +2,8 @@
 #include <gtest/gtest.h>
 
 TEST(PacManTest, InitialPosition) {
-  Board board;
-  PacMan pacMan(board);
+  pacman::Board board;
+  pacman::PacMan pacMan(board);
   EXPECT_EQ(pacMan.position().x, 13.5);
   EXPECT_EQ(pacMan.position().y, 23);
 }