diff options
Diffstat (limited to 'src/game.cpp')
| -rw-r--r-- | src/game.cpp | 166 |
1 files changed, 99 insertions, 67 deletions
diff --git a/src/game.cpp b/src/game.cpp index b505f9f..7b9ee23 100644 --- a/src/game.cpp +++ b/src/game.cpp @@ -1,96 +1,109 @@ #include "game.hpp" -Game::Game(int s) +Game::Game(int m_size): m_size(m_size), m_score(0) { - size = s; - grid = new int*[size]; - for (int i = 0; i < size; i++) + m_grid = new int*[m_size]; + for (int i = 0; i < m_size; i++) { - grid[i] = new int[size]; - for (int j = 0; j < size; j++) - grid[i][j] = 0; + m_grid[i] = new int[m_size]; + for (int j = 0; j < m_size; j++) + m_grid[i][j] = 0; } spawn(); spawn(); - score = 0; +} + +Game::Game(Game const &other): m_size(other.m_size), m_score(other.m_score) +{ + m_grid = new int*[m_size]; + for (int i = 0; i < m_size; i++) + { + m_grid[i] = new int[m_size]; + for (int j = 0; j < m_size; j++) + m_grid[i][j] = other.get(i, j); + } } Game::~Game() { - gridDestroy(grid); + for (int i = 0; i < m_size; i++) + delete []m_grid[i]; + delete []m_grid; } -int Game::getSize() +int Game::getSize() const { - return size; + return m_size; } -int Game::getScore() +int Game::getScore() const { - return score; + return m_score; } -int Game::at(int x, int y) +int Game::get(int y, int x) const { - return grid[y][x]; + return m_grid[y][x]; } -void Game::move(Direction direction) +bool Game::move(Direction direction) { std::vector<int> row; - int **saved = gridCopy(); + Game saved(*this); switch (direction) { case DIRECTION_LEFT: - for (int i = 0; i < size; i++) + for (int i = 0; i < m_size; i++) { row.clear(); - for (int j = 0; j < size; j++) - row.push_back(grid[i][j]); + for (int j = 0; j < m_size; j++) + row.push_back(m_grid[i][j]); mergeRow(row); - for (int j = 0; j < size; j++) - grid[i][j] = row[j]; + for (int j = 0; j < m_size; j++) + m_grid[i][j] = row[j]; } break; case DIRECTION_RIGHT: - for (int i = 0; i < size; i++) + for (int i = 0; i < m_size; i++) { row.clear(); - for (int j = size - 1; j >= 0; j--) - row.push_back(grid[i][j]); + for (int j = m_size - 1; j >= 0; j--) + row.push_back(m_grid[i][j]); mergeRow(row); - for (int j = size - 1; j >= 0; j--) - grid[i][j] = row[size - j - 1]; + for (int j = m_size - 1; j >= 0; j--) + m_grid[i][j] = row[m_size - j - 1]; } break; case DIRECTION_DOWN: - for (int j = 0; j < size; j++) + for (int j = 0; j < m_size; j++) { row.clear(); - for (int i = size - 1; i >= 0; i--) - row.push_back(grid[i][j]); + for (int i = m_size - 1; i >= 0; i--) + row.push_back(m_grid[i][j]); mergeRow(row); - for (int i = size - 1; i >= 0; i--) - grid[i][j] = row[size - i - 1]; + for (int i = m_size - 1; i >= 0; i--) + m_grid[i][j] = row[m_size - i - 1]; } break; case DIRECTION_UP: - for (int j = 0; j < size; j++) + for (int j = 0; j < m_size; j++) { row.clear(); - for (int i = 0; i < size; i++) - row.push_back(grid[i][j]); + for (int i = 0; i < m_size; i++) + row.push_back(m_grid[i][j]); mergeRow(row); - for (int i = 0; i < size; i++) - grid[i][j] = row[i]; + for (int i = 0; i < m_size; i++) + m_grid[i][j] = row[i]; } break; } - if (!gridEqual(saved)) + if (*this != saved) spawn(); - gridDestroy(saved); + else + return false; + return true; } void Game::spawn() @@ -99,32 +112,32 @@ void Game::spawn() if (lost()) return; - for (int i = 0; i < size; i++) - for (int j = 0; j < size; j++) + for (int i = 0; i < m_size; i++) + for (int j = 0; j < m_size; j++) { - if (grid[i][j] == 0) + if (m_grid[i][j] == 0) possible.push_back(std::make_pair(i, j)); } if (possible.size() < 1) return; std::pair<int, int> pos = possible[rand() % possible.size()]; - grid[pos.first][pos.second] = rand() % 2 == 0 ? 2 : 4; + m_grid[pos.first][pos.second] = rand() % 10 == 0 ? 4 : 2; } -bool Game::lost() +bool Game::lost() const { - for (int i = 0; i < size; i++) - for (int j = 0; j < size; j++) + for (int i = 0; i < m_size; i++) + for (int j = 0; j < m_size; j++) { - if (grid[i][j] == 0) + if (m_grid[i][j] == 0) return false; - if (i - 1 >= 0 && grid[i - 1][j] == grid[i][j]) + if (i - 1 >= 0 && m_grid[i - 1][j] == m_grid[i][j]) return false; - if (i + 1 < size && grid[i + 1][j] == grid[i][j]) + if (i + 1 < m_size && m_grid[i + 1][j] == m_grid[i][j]) return false; - if (j - 1 >= 0 && grid[i][j - 1] == grid[i][j]) + if (j - 1 >= 0 && m_grid[i][j - 1] == m_grid[i][j]) return false; - if (j + 1 < size && grid[i][j + 1] == grid[i][j]) + if (j + 1 < m_size && m_grid[i][j + 1] == m_grid[i][j]) return false; } return true; @@ -155,7 +168,7 @@ void Game::mergeRow(std::vector<int> &row) if (row[curr + 1] == row[curr]) { row[curr] *= 2; - score += row[curr]; + m_score += row[curr]; row[curr + 1] = 0; for (size_t i = curr + 1; i < row.size() - 1; i++) row[i] = row[i + 1]; @@ -163,30 +176,49 @@ void Game::mergeRow(std::vector<int> &row) } } -int **Game::gridCopy() +Game &Game::operator=(Game const &other) { - int **copy = new int*[size]; - for (int i = 0; i < size; i++) + if (this == &other) + return *this; + for (int i = 0; i < m_size; i++) + delete []m_grid[i]; + delete []m_grid; + m_size = other.m_size; + m_score = other.m_score; + m_grid = new int*[m_size]; + for (int i = 0; i < m_size; i++) { - copy[i] = new int[size]; - for (int j = 0; j < size; j++) - copy[i][j] = grid[i][j]; + m_grid[i] = new int[m_size]; + for (int j = 0; j < m_size; j++) + m_grid[i][j] = other.m_grid[i][j]; } - return copy; + return *this; } -bool Game::gridEqual(int **other) +bool operator==(Game const &a, Game const &b) { - for (int i = 0; i < size; i++) - for (int j = 0; j < size; j++) - if (grid[i][j] != other[i][j]) + if (a.getSize() != b.getSize()) + return false; + for (int i = 0; i < a.getSize(); i++) + for (int j = 0; j < a.getSize(); j++) + if (a.get(i, j) != b.get(i, j)) return false; return true; } -void Game::gridDestroy(int **g) +bool operator!=(Game const &a, Game const &b) { - for (int i = 0; i < size; i++) - delete []g[i]; - delete []g; + return !(a == b); +} + +std::ostream &operator<<(std::ostream &out, Game const &game) +{ + out << "score: " << game.getScore() << std::endl; + for (int i = 0; i < game.getSize(); i++) + { + for (int j = 0; j < game.getSize(); j++) + out << std::setw(5) << game.get(i, j) << " "; + out << std::endl; + } + return out; } |