File indexing completed on 2024-09-08 06:47:57

 /*
     SPDX-FileCopyrightText: 2007 Paolo Capriotti <p.capriotti@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef GRID_H
 #define GRID_H
 
 #include "knavalbattle_debug.h"
 
 #include "coord.h"
 
 #define FOREACH_SQUARE(p, grid) \
     for (Coord p(0,0); p.x < grid.width(); p.x++) \
     for (p.y = 0; p.y < grid.height(); p.y++)
 
 template <typename T>
 class Grid
 {
     Coord m_size;
     T* m_grid;
     
     int convert(const Coord& p) const;
 public:
     Grid(const Coord& size);
     ~Grid();
     
     T& operator[](const Coord& p);
     const T& operator[](const Coord& p) const;
     
     bool valid(const Coord& p) const;
     inline int width() const { return m_size.x; }
     inline int height() const { return m_size.y; }
 };
 
 // Implementation
 
 template <typename T>
 Grid<T>::Grid(const Coord& size)
 : m_size(size)
 {
     m_grid = new T[m_size.x * m_size.y];
 }
 
 template <typename T>
 Grid<T>::~Grid()
 {
     delete[] m_grid;
 }
 
 template <typename T>
 int Grid<T>::convert(const Coord& p) const
 {
     return p.x + p.y * m_size.x;
 }
 
 template <typename T>
 bool Grid<T>::valid(const Coord& p) const
 {
     return p.x >= 0 && p.x < width() &&
             p.y >= 0 && p.y < height();
 }
 
 template <typename T>
 T& Grid<T>::operator[](const Coord& p)
 {
     Q_ASSERT(valid(p));
     return m_grid[convert(p)];
 }
 
 template <typename T>
 const T& Grid<T>::operator[](const Coord& p) const
 {
     Q_ASSERT(valid(p));
     return m_grid[convert(p)];
 }
 
 
 #endif // GRID_H