view_map_geometry.h

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/*
 * SPDX-FileCopyrightText: 2022-2023 Louis Moureaux <m_louis30@yahoo.com>
 *
 * SPDX-License-Identifier: GPLv3-or-later
 */
 
#pragma once
 
#include <QRect>
 
#include "tileset/layer.h"
 
struct edge;
struct tile;
struct tileset;
 
namespace freeciv {
 
class gui_rect_iterator {
public:
  gui_rect_iterator(const struct tileset *t, const QRect &rect);
 
  bool has_corner() const { return m_has_corner; }
 
  bool has_edge() const { return m_has_edge; }
 
  bool has_tile() const { return m_has_tile; }
 
  const tile_corner &corner() const { return m_corner; }
 
  const tile_edge &edge() const { return m_edge; }
 
  const ::tile *tile() const { return m_tile; }
 
  int x() const { return m_xi * m_w / m_r2 - m_w / 2; }
 
  int y() const { return m_yi * m_h / m_r2 - m_h / 2; }
 
  bool next();
 
private:
  bool m_isometric;
  int m_index, m_count;
  int m_r1, m_r2, m_w, m_h;
  int m_x0, m_y0, m_x1, m_y1;
  int m_xi, m_yi;
 
  tile_corner m_corner;
  tile_edge m_edge;
  ::tile *m_tile = nullptr;
  bool m_has_corner = false, m_has_edge = false, m_has_tile = false;
};
 
} // namespace freeciv