Grid.h

/*
 * Gamedev Framework (gf)
 * Copyright (C) 2016-2022 Julien Bernard
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */
#ifndef GF_GRID_H
#define GF_GRID_H
 
#include <memory>
 
#include "Cells.h"
#include "GraphicsApi.h"
#include "Transformable.h"
#include "Vector.h"
#include "VertexArray.h"
#include "VertexBuffer.h"
 
namespace gf {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
inline namespace v1 {
#endif
 
  class GF_GRAPHICS_API Grid : public gf::Transformable {
  public:
    Grid();
 
    static Grid createOrthogonal(Vector2i gridSize, Vector2f cellSize);
 
    static Grid createStaggered(Vector2i gridSize, Vector2f cellSize, CellAxis axis, CellIndex index);
 
    static Grid createHexagonal(Vector2i gridSize, Vector2f cellSize, float sideLength, CellAxis axis, CellIndex index);
 
    static Grid createHexagonal(Vector2i gridSize, float radius, CellAxis axis, CellIndex index);
 
    void setGridSize(Vector2i gridSize);
 
    Vector2i getGridSize() const noexcept {
      return m_gridSize;
    }
 
    void setColor(const Color4f& color);
 
    const Color4f& getColor() const noexcept {
      return m_color;
    }
 
    void setSelectedColor(const Color4f& color);
 
    const Color4f& getSelectedColor() const noexcept {
      return m_selectedColor;
    }
 
    void setLineWidth(float lineWidth) noexcept {
      m_lineWidth = lineWidth;
    }
 
    float getLineWidth() const noexcept {
      return m_lineWidth;
    }
 
    void hover(Vector2f pointer);
 
 
    RectF getLocalBounds() const;
 
    void setAnchor(Anchor anchor);
 
    VertexBuffer commitGeometry() const;
 
    void draw(RenderTarget& target, const RenderStates& states) override;
 
  private:
    Grid(Vector2i gridSize, std::unique_ptr<Cells> properties);
 
    void updateGeometry();
 
  private:
    std::unique_ptr<Cells> m_properties;
    Vector2i m_gridSize;
    Color4f m_color;
    float m_lineWidth;
    VertexArray m_vertices;
    Vector2i m_selected;
    Color4f m_selectedColor;
    VertexArray m_selectedVertices;
  };
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
}
#endif
}
 
#endif // GF_GRID_H