Global refactoring; add level builder

src/cell.cpp

@@ -3,10 +3,10 @@
 #include "hero.h"
 #include "level.h"
 
-#define UNUSED(expr) (void)(expr);
+#define UNUSED(expr) (void)(expr)
 
-Cell::Cell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
-    Entity(cell_x, cell_y),
+Cell::Cell(coordinate cell_row, coordinate cell_col, const sf::Color &color) :
+    Entity(cell_row, cell_col),
     cell_color(color)
 {}
 
@@ -20,8 +20,8 @@ sf::Color Cell::color() const noexcept
 
 ///////////////////////////////////////
 
-PassableCell::PassableCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
-    Cell(cell_x, cell_y, color)
+PassableCell::PassableCell(coordinate cell_row, coordinate cell_col, const sf::Color &color) :
+    Cell(cell_row, cell_col, color)
 {}
 
 PassableCell::~PassableCell()
@@ -29,17 +29,21 @@ PassableCell::~PassableCell()
 
 bool PassableCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
-    UNUSED(hero)
-    UNUSED(level)
+    UNUSED(hero), UNUSED(level);
 
     // Hero just moves on.
     return true;
 }
 
+Cell *PassableCell::getDefaultInstance()
+{
+    return new PassableCell();
+}
+
 ///////////////////////////////////////
 
-WaterCell::WaterCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
-    Cell(cell_x, cell_y, color)
+WaterCell::WaterCell(coordinate cell_row, coordinate cell_col, const sf::Color &color) :
+    Cell(cell_row, cell_col, color)
 {}
 
 WaterCell::~WaterCell()
@@ -48,19 +52,21 @@ WaterCell::~WaterCell()
 bool WaterCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
     // Try to use one charge to place a bridge
-    if (hero->useCharge()) {
-        level->placeBridge(pos_x, pos_y);
-        return true;
-    }
+    if (hero->useCharge())
+        level->placeBridge(entity_row, entity_col);
 
-    // If hero doesn't have enough charges, we move Hero back
     return false;
 }
 
+Cell *WaterCell::getDefaultInstance()
+{
+    return new WaterCell();
+}
+
 ///////////////////////////////////////
 
-WallCell::WallCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
-    Cell(cell_x, cell_y, color)
+WallCell::WallCell(coordinate cell_row, coordinate cell_col, const sf::Color &color) :
+    Cell(cell_row, cell_col, color)
 {}
 
 WallCell::~WallCell()
@@ -68,17 +74,21 @@ WallCell::~WallCell()
 
 bool WallCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
-    UNUSED(hero)
-    UNUSED(level)
+    UNUSED(hero), UNUSED(level);
 
     // Hero never passes this cell.
     return false;
 }
 
+Cell *WallCell::getDefaultInstance()
+{
+    return new WallCell();
+}
+
 ///////////////////////////////////////
 
-ChargeCell::ChargeCell(coordinate cell_x, coordinate cell_y, int has_charges, const sf::Color &color) :
-    Cell(cell_x, cell_y, color),
+ChargeCell::ChargeCell(coordinate cell_row, coordinate cell_col, int has_charges, const sf::Color &color) :
+    Cell(cell_row, cell_col, color),
     cell_charges(has_charges)
 {}
 
@@ -89,15 +99,20 @@ bool ChargeCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
     // Hero picks up the charge; remove it from the map
     hero->refillCharges(cell_charges);
-    level->removeCharge(pos_x, pos_y);
+    level->removeCharge(entity_row, entity_col);
 
     return true;
 }
 
+Cell *ChargeCell::getDefaultInstance()
+{
+    return new ChargeCell();
+}
+
 ///////////////////////////////////////
 
-ExitCell::ExitCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
-    Cell(cell_x, cell_y, color)
+ExitCell::ExitCell(coordinate cell_row, coordinate cell_col, const sf::Color &color) :
+    Cell(cell_row, cell_col, color)
 {}
 
 ExitCell::~ExitCell()
@@ -105,19 +120,24 @@ ExitCell::~ExitCell()
 
 bool ExitCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
-    UNUSED(level)
+    UNUSED(level);
 
     // Level is over.
     hero->reachExit();
     return true;
 }
 
+Cell *ExitCell::getDefaultInstance()
+{
+    return new ExitCell();
+}
+
 ///////////////////////////////////////
 
-TeleportCell::TeleportCell(coordinate cell_x, coordinate cell_y, coordinate new_cell_x, coordinate new_cell_y, const sf::Color &color) :
-    Cell(cell_x, cell_y, color),
-    new_x(new_cell_x),
-    new_y(new_cell_y)
+TeleportCell::TeleportCell(coordinate cell_row, coordinate cell_col, coordinate new_cell_row, coordinate new_cell_col, const sf::Color &color) :
+    Cell(cell_row, cell_col, color),
+    new_x(new_cell_row),
+    new_y(new_cell_col)
 {}
 
 TeleportCell::~TeleportCell()
@@ -125,19 +145,24 @@ TeleportCell::~TeleportCell()
 
 bool TeleportCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
-    UNUSED(level)
+    UNUSED(level);
 
     // Hero jumps into teleport!
     hero->setPosition(new_x, new_y);
     return true;
 }
 
+Cell *TeleportCell::getDefaultInstance()
+{
+    return new TeleportCell();
+}
+
 ///////////////////////////////////////
 
-TriggerCell::TriggerCell(std::vector<CellPtr> &&cells_to_change, coordinate cell_x, coordinate cell_y, const sf::Color &color) :
-    Cell(cell_x, cell_y, color)
+TriggerCell::TriggerCell(/*std::vector<CellPtr> &&cells_to_change,*/ coordinate cell_row, coordinate cell_col, const sf::Color &color) :
+    Cell(cell_row, cell_col, color)
 {
-    cells = std::move(cells_to_change);
+    //cells = std::move(cells_to_change);
 }
 
 TriggerCell::~TriggerCell()
@@ -145,20 +170,25 @@ TriggerCell::~TriggerCell()
 
 bool TriggerCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
 {
-    UNUSED(hero)
+    UNUSED(hero);
 
 	Map &map = level->mapArray();
 
 	// We replace needed cells with the ones that the trigger provides.
-    for (CellPtr &cell : cells)
+    for (Cell *cell : cells)
     {
-        const coordinate &y = cell->y();
-        const coordinate &x = cell->x();
+        const coordinate &row = cell->row();
+        const coordinate &col = cell->col();
 
-        map[x][y].release();
-        map[x][y] = std::move(cell);
+        delete map[row][col];
+        map[row][col] = cell;
     }
 	
 	// It's an impassable object, so player can't move to here.
     return false;
 }
+
+Cell *TriggerCell::getDefaultInstance()
+{
+    return new TriggerCell();
+}

src/cell.h

@@ -16,6 +16,18 @@ const sf::Color Blue  = sf::Color(0,   255, 255);
 const sf::Color Gray  = sf::Color(125, 125, 125);
 }
 
+enum CELL_TYPES {
+    PASSABLE_CELL = 0,
+    WATER_CELL,
+    WALL_CELL,
+    CHARGE_CELL,
+    EXIT_CELL,
+    TELEPORT_CELL,
+    TRIGGER_CELL,
+
+    N_CELLS
+};
+
 ///////////////////////////////////////
 
 class Hero;
@@ -24,7 +36,6 @@ class Cell;
 
 using HeroPtr   = std::unique_ptr<Hero>;
 using LevelPtr  = std::unique_ptr<Level>;
-using CellPtr   = std::unique_ptr<Cell>;
 
 ///////////////////////////////////////
 
@@ -35,8 +46,8 @@ protected:
     sf::Color cell_color;
 
 public:
-    Cell(coordinate cell_x = 0,
-         coordinate cell_y = 0,
+    Cell(coordinate cell_row = 0,
+         coordinate cell_col = 0,
          const sf::Color &color = palette::White);
 
     virtual ~Cell() override;
@@ -45,6 +56,8 @@ public:
 
     /// Determine if Hero can move onto this cell or not
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) = 0;
+
+    virtual Cell *getDefaultInstance() = 0;
 };
 
 ///////////////////////////////////////
@@ -53,13 +66,15 @@ public:
 class PassableCell : public Cell
 {
 public:
-    PassableCell(coordinate cell_x = 0,
-                 coordinate cell_y = 0,    // Brown
+    PassableCell(coordinate cell_row = 0,
+                 coordinate cell_col = 0,    // Brown
                  const sf::Color &color = palette::Brown);
 
     virtual ~PassableCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 ///////////////////////////////////////
@@ -68,13 +83,15 @@ public:
 class WaterCell : public Cell
 {
 public:
-    WaterCell(coordinate cell_x = 0,
-              coordinate cell_y = 0,
+    WaterCell(coordinate cell_row = 0,
+              coordinate cell_col = 0,
               const sf::Color &color = palette::Blue);
 
     virtual ~WaterCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 ///////////////////////////////////////
@@ -83,13 +100,15 @@ public:
 class WallCell : public Cell
 {
 public:
-    WallCell(coordinate cell_x = 0,
-             coordinate cell_y = 0,      // Gray
-             const sf::Color &color = );
+    WallCell(coordinate cell_row = 0,
+             coordinate cell_col = 0,      // Gray
+             const sf::Color &color = palette::Gray);
 
     virtual ~WallCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 ///////////////////////////////////////
@@ -101,14 +120,16 @@ private:
     int cell_charges;
 
 public:
-    ChargeCell(coordinate cell_x = 0,
-               coordinate cell_y = 0,
+    ChargeCell(coordinate cell_row = 0,
+               coordinate cell_col = 0,
                int has_charges = 1,
                const sf::Color &color = sf::Color::Green);
 
     virtual ~ChargeCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 ///////////////////////////////////////
@@ -117,13 +138,15 @@ public:
 class ExitCell : public Cell
 {
 public:
-    ExitCell(coordinate cell_x = 0,
-             coordinate cell_y = 0,
+    ExitCell(coordinate cell_row = 0,
+             coordinate cell_col = 0,
              const sf::Color &color = sf::Color::Red);
 
     virtual ~ExitCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 ///////////////////////////////////////
@@ -135,15 +158,17 @@ private:
     coordinate new_x, new_y;
 
 public:
-    TeleportCell(coordinate cell_x = 0,
-                 coordinate cell_y = 0,
-                 coordinate new_cell_x = 0,
-                 coordinate new_cell_y = 0,      // Purple
+    TeleportCell(coordinate cell_row = 0,
+                 coordinate cell_col = 0,
+                 coordinate new_cell_row = 0,
+                 coordinate new_cell_col = 0,      // Purple
                  const sf::Color &color = sf::Color(128, 0, 128));
 
     virtual ~TeleportCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 ///////////////////////////////////////
@@ -153,17 +178,19 @@ class TriggerCell : public Cell
 {
 private:
 	// Vector of cells to place on map
-	std::vector<CellPtr> cells;
+    std::vector<Cell *> cells;
 
 public:
-    TriggerCell(std::vector<CellPtr> &&cells_to_change,
-                coordinate cell_x = 0,
-                coordinate cell_y = 0,  // Pink
+    TriggerCell(//std::vector<CellPtr> &&cells_to_change,
+                coordinate cell_row = 0,
+                coordinate cell_col = 0,  // Pink
                 const sf::Color &color = sf::Color(255, 192, 203));
 
     virtual ~TriggerCell() override;
 
     virtual bool onMovingTo(HeroPtr &hero, LevelPtr &level) override;
+
+    virtual Cell *getDefaultInstance() override;
 };
 
 #endif // CELL_H

src/entity.cpp

@@ -1,31 +1,31 @@
 #include "entity.h"
 
-Entity::Entity(coordinate _x, coordinate _y) :
-    pos_x(_x), pos_y(_y)
+Entity::Entity(coordinate _row, coordinate _col) :
+    entity_row(_row), entity_col(_col)
 {}
 
 Entity::~Entity()
 {}
 
 /// Get current Entity position
-void Entity::position(coordinate &x, coordinate &y) const noexcept
+void Entity::position(coordinate &row, coordinate &col) const noexcept
 {
-    x = pos_x;
-    y = pos_y;
+    row = entity_row;
+    col = entity_col;
 }
 
-void Entity::setPosition(coordinate x, coordinate y)
+void Entity::setPosition(coordinate row, coordinate col)
 {
-    pos_x = x;
-    pos_y = y;
+    entity_row = row;
+    entity_col = col;
 }
 
-coordinate Entity::x() const noexcept
+coordinate Entity::row() const noexcept
 {
-    return pos_x;
+    return entity_row;
 }
 
-coordinate Entity::y() const noexcept
+coordinate Entity::col() const noexcept
 {
-    return pos_y;
+    return entity_col;
 }

src/entity.h

@@ -1,30 +1,30 @@
 #ifndef ENTITY_H
 #define ENTITY_H
 
-using coordinate = unsigned int;
+using coordinate = unsigned long;
 
 /// Interface representing entity which can be placed on the map
 class Entity
 {
 protected:
-    coordinate pos_x, pos_y;
+    coordinate entity_row, entity_col;
 
 public:
-    Entity(coordinate _x = 0, coordinate _y = 0);
+    Entity(coordinate _row = 0, coordinate _col = 0);
 
     virtual ~Entity() = 0;
 
     /// Get current Entity position
-    void position(coordinate &x, coordinate &y) const noexcept;
+    void position(coordinate &row, coordinate &col) const noexcept;
 
     /// Set Entity position explicitly
-    void setPosition(coordinate x, coordinate y);
+    void setPosition(coordinate row, coordinate col);
 
     /// Get current x of the Entity position
-    coordinate x() const noexcept;
+    coordinate row() const noexcept;
 
     /// Get current y of the Entity position
-    coordinate y() const noexcept;
+    coordinate col() const noexcept;
 };
 
 #endif // ENTITY_H

src/game.cpp

@@ -8,7 +8,7 @@ constexpr int cell_width = 60;
 constexpr int cell_height = 35;
 constexpr int cell_deviation = 25;
 
-constexpr int window_side = cell_width * side;
+constexpr int window_side = cell_width * 4;
 
 Game::Game()
 {
@@ -18,11 +18,11 @@ Game::Game()
     // Generate level
     level = std::make_unique<Level>();
 
-    main_window.create(sf::VideoMode(window_side, window_side), "SFML-Test Application", sf::Style::Default);
+    main_window.create(sf::VideoMode(window_side * 2, window_side * 2), "SFML-Test Application", sf::Style::Default);
     main_window.setActive();
 
     current_level = 1;
-    loadLevel(current_level);
+    //loadLevel(current_level);
 }
 
 int Game::run()
@@ -54,7 +54,6 @@ int Game::run()
 }
 
 ////////////////////////////////////////////////////
-
 Direction Game::getDirection(sf::Keyboard::Key &key) const
 {
     switch (key)
@@ -93,24 +92,20 @@ void Game::onMoving(sf::Keyboard::Key &key)
         return;
 
     // Save the initial coordinates
-    coordinate initial_x, initial_y;
-    hero->position(initial_x, initial_y);
+    coordinate initial_row, initial_col;
+    hero->position(initial_row, initial_col);
 
     // Try to move hero
     hero->move(direction);
 
     // Save the new coordinates after moving
-    coordinate attempt_x, attempt_y;
-    hero->position(attempt_x, attempt_y);
+    coordinate attempt_row, attempt_col;
+    hero->position(attempt_row, attempt_col);
 
     //////////////////////////
 
-    if (!level->mapArray()[attempt_x][attempt_y]->onMovingTo(hero, level))
-        hero->setPosition(initial_x, initial_y);
-
-    if (hero->onExit())
-        loadLevel(++current_level);
-
+    if (!level->mapArray()[attempt_row][attempt_col]->onMovingTo(hero, level))
+        hero->setPosition(initial_row, initial_col);
 }
 
 void Game::renderMap()
@@ -142,22 +137,22 @@ void Game::renderMap()
     text.setString("Available bridge cells: " + std::to_string(hero->charges()));
 
     // Where is hero
-    coordinate hero_x, hero_y;
-    hero->position(hero_x, hero_y);
+    coordinate hero_row, hero_col;
+    hero->position(hero_row, hero_col);
 
     // Draw map from 2D array
-    for (coordinate x = 0; x < side; ++x)
+    for (coordinate x = 0; x < level->width(); ++x)
     {
-        shift = side * cell_deviation;
+        shift = static_cast<float>(level->width()) * cell_deviation;
 
-        for (coordinate y = 0; y < side; ++y)
+        for (coordinate y = 0; y < level->height(); ++y)
         {
             convex_brush.setPosition(shift + painter_x, painter_y);
-            convex_brush.setFillColor(map[x][y]->color());
+            convex_brush.setFillColor(map[y][x]->color());
 
             main_window.draw(convex_brush);
 
-            if (hero_x == x && hero_y == y)
+            if (hero_row == y && hero_col == x)
             {
                 // Place the hero sprite
                 convex_brush.setFillColor(sf::Color::White);
@@ -176,52 +171,3 @@ void Game::renderMap()
 
     main_window.draw(text);
 }
-
-void Game::loadLevel(int level_index)
-{
-    Map &map = level->mapArray();
-
-    // Fill the level with water
-    for (coordinate x = 0; x < side; ++x)
-        for (coordinate y = 0; y < side; ++y)
-            map[x][y] = std::make_unique<WaterCell>(x, y);
-
-    std::vector<CellPtr> trigger_cells;
-    trigger_cells.emplace_back(std::make_unique<PassableCell>(0, 0));
-    trigger_cells.emplace_back(std::make_unique<PassableCell>(1, 0));
-    trigger_cells.emplace_back(std::make_unique<PassableCell>(0, 1));
-
-    switch (level_index)
-    {
-    case 1:
-        // Hardcoding is temporary!
-        hero->setPosition(1, 1);
-        hero->setCharges(2);
-
-        level->setDefaultGroundColor(sf::Color(165, 42, 42));
-
-        map[0][0] = std::make_unique<WallCell>(0, 0);
-        map[0][1] = std::make_unique<WallCell>(0, 1);
-        map[1][0] = std::make_unique<WallCell>(1, 0);
-        map[1][1] = std::make_unique<PassableCell>(1, 1);
-        map[1][2] = std::make_unique<PassableCell>(1, 2);
-        map[1][3] = std::make_unique<PassableCell>(1, 3);
-        map[1][4] = std::make_unique<PassableCell>(1, 4);
-        map[2][1] = std::make_unique<TeleportCell>(2, 1, 6, 6);
-        map[2][2] = std::make_unique<PassableCell>(2, 2);
-        map[3][2] = std::make_unique<PassableCell>(3, 2);
-        map[3][3] = std::make_unique<PassableCell>(3, 3);
-        map[6][3] = std::make_unique<PassableCell>(6, 3);
-        map[6][4] = std::make_unique<PassableCell>(6, 4);
-        map[6][5] = std::make_unique<PassableCell>(6, 5);
-        map[6][6] = std::make_unique<PassableCell>(6, 6);
-        map[7][6] = std::make_unique<PassableCell>(7, 6);
-        map[9][6] = std::make_unique<PassableCell>(9, 6);
-        map[8][7] = std::make_unique<ExitCell>(8, 7);
-        map[2][3] = std::make_unique<ChargeCell>(2, 3, 5);
-        map[3][3] = std::make_unique<TriggerCell>(std::move(trigger_cells), 3, 3);
-        break;
-    default:
-        main_window.close();
-    }
-}

src/game.h

@@ -33,7 +33,7 @@ private:
     void renderMap();
 
     /// Prepare map and hero for a game level
-    void loadLevel(int level_index = 1);
+    //void loadLevel(int level_index = 1);
 
 public:
     explicit Game();

src/hero.cpp

@@ -1,7 +1,7 @@
 #include "hero.h"
 
-Hero::Hero(coordinate position_x, coordinate position_y, int initial_charges) :
-    Entity(position_x, position_y),
+Hero::Hero(coordinate row, coordinate col, int initial_charges) :
+    Entity(row, col),
     hero_charges(initial_charges),
     on_exit(false)
 {}
@@ -37,13 +37,13 @@ void Hero::move(const Direction &direction)
     switch (direction)
     {
     case Direction::Up:
-        --pos_y; break;
+        --entity_row; break;
     case Direction::Down:
-        ++pos_y; break;
+        ++entity_row; break;
     case Direction::Left:
-        --pos_x; break;
+        --entity_col; break;
     case Direction::Right:
-        ++pos_x; break;
+        ++entity_col; break;
     case Direction::None:
         break;
     }

src/hero.h

@@ -20,7 +20,7 @@ private:
     bool on_exit;
 
 public:
-    explicit Hero(coordinate position_x = 0, coordinate position_y = 0, int initial_charges = 0);
+    explicit Hero(coordinate row = 0, coordinate col = 0, int initial_charges = 0);
 
     /// Add more charges for hero to use
     void refillCharges(int append_charges);

src/level.cpp

@@ -1,16 +1,98 @@
 #include "level.h"
 
-Level::Level()
-{}
+#include <fstream>
+#include <cstring>
 
-void Level::placeBridge(coordinate x, coordinate y)
+void Level::prepareCellInstances()
 {
-    map[x][y] = std::make_unique<PassableCell>(x, y, sf::Color::Black);
+    default_cells[PASSABLE_CELL] = new PassableCell();
+    default_cells[WATER_CELL] = new WaterCell();
+    default_cells[WALL_CELL] = new WallCell();
+    default_cells[CHARGE_CELL] = new ChargeCell();
+    default_cells[EXIT_CELL] = new ExitCell();
+    default_cells[TELEPORT_CELL] = new TeleportCell();
+    default_cells[TRIGGER_CELL] = new TriggerCell();
 }
 
-void Level::removeCharge(coordinate x, coordinate y)
+void Level::readMap(std::ifstream &file)
 {
-    map[x][y] = std::make_unique<PassableCell>(x, y, color_ground);
+    int i;
+    for (coordinate j = 0; j < map.size(); ++j)
+    {
+        for (coordinate k = 0; k < map[j].size(); ++k)
+        {
+            file >> i;
+            map[j][k] = default_cells[i]->getDefaultInstance();
+            map[j][k]->setPosition(j, k);
+        }
+    }
+}
+
+Level::Level(const std::string &map_file)
+{
+    prepareCellInstances();
+
+    std::ifstream file;
+    file.open(map_file);
+
+    std::string cur_line;
+    while (getline(file, cur_line))
+    {
+        // need fix; see std::string.compare
+        if (strstr(cur_line.data(), "size") != NULL)
+        {
+            file >> level_width >> level_height;
+            map.resize(level_height);
+            for (Row &row : map)
+                row.resize(level_width);
+        }
+        else if (strstr(cur_line.data(), "map") != NULL)
+        {
+            readMap(file);
+        }
+        else if (strstr(cur_line.data(), "teleport") != NULL)
+        {
+            coordinate src_row, src_col;
+            coordinate dest_row, dest_col;
+
+            file >> src_row >> src_col >> dest_row >> dest_col;
+            // reinterpret_cast<TeleportCell *>(map[src_row][src_col])->setDestination(dest_row, dest_col);
+        }
+    }
+}
+
+Level::~Level()
+{
+    for (Cell *cell : default_cells)
+        delete cell;
+
+    for (Row &row : map)
+        for (Cell *cell : row)
+            delete cell;
+}
+
+size_t Level::width() const
+{
+    return level_width;
+}
+
+size_t Level::height() const
+{
+    return level_height;
+}
+
+void Level::placeBridge(coordinate row, coordinate col)
+{
+    Cell *buf = map[row][col];
+    map[row][col] = new PassableCell(row, col, sf::Color::Black);
+    delete buf;
+}
+
+void Level::removeCharge(coordinate row, coordinate col)
+{
+    Cell *buf = map[row][col];
+    map[row][col] = new PassableCell(row, col, color_ground);
+    delete buf;
 }
 
 Map& Level::mapArray()

src/level.h

@@ -4,10 +4,10 @@
 #include <array>
 #include "cell.h"
 
-constexpr coordinate side = 32;
+const std::string default_file_name = "test_map";
 
-using Row = std::array<CellPtr, side>;
-using Map = std::array<Row, side>;
+using Row = std::vector<Cell *>;
+using Map = std::vector<Row>;
 
 /// Abstraction over 2D array to quickly get access to level cells
 class Level
@@ -15,9 +15,18 @@ class Level
 private:
     Map map;
     sf::Color color_ground;
+    size_t level_width, level_height;
+    std::array<Cell *, N_CELLS> default_cells;
+
+    void prepareCellInstances();
+    void readMap(std::ifstream &file);
 
 public:
-    Level();
+    Level(const std::string &map_file = default_file_name);
+    ~Level();
+
+    size_t width() const;
+    size_t height() const;
 
     /// Place a bridge cell
     void placeBridge(coordinate x, coordinate y);