BufferedGeometry.h

/*
 * Gamedev Framework (gf)
 * Copyright (C) 2016-2021 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_BUFFERED_GEOMETRY_H
#define GF_BUFFERED_GEOMETRY_H

#include "GraphicsApi.h"
#include "Rect.h"
#include "Texture.h"
#include "Transformable.h"

namespace gf {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
inline namespace v1 {
#endif

  struct RenderStates;
  class RenderTarget;
  class VertexBuffer;

  class GF_GRAPHICS_API BufferedGeometry : public Transformable {
  public:
    BufferedGeometry();

    BufferedGeometry(const VertexBuffer& buffer);

    BufferedGeometry(const VertexBuffer& buffer, const VertexBuffer& outlineBuffer);

    void setBuffer(const VertexBuffer& buffer) {
      m_buffer = &buffer;
    }

    void setOutlineBuffer(const VertexBuffer& outlineBuffer) {
      m_outlineBuffer = &outlineBuffer;
    }

    void setTexture(const BareTexture& texture) {
      m_texture = &texture;
    }

    const BareTexture& getTexture() const {
      return *m_texture;
    }

    bool hasTexture() const {
      return m_texture != nullptr;
    }

    void unsetTexture() {
      m_texture = nullptr;
    }

    void setLocalBounds(const RectF& bounds) {
      m_bounds = bounds;
    }

    RectF getLocalBounds() const {
      return m_bounds;
    }

    void setAnchor(Anchor anchor);

    virtual void draw(RenderTarget& target, const RenderStates& states) override;

  private:
    const VertexBuffer *m_buffer;
    const VertexBuffer *m_outlineBuffer;
    const BareTexture *m_texture;
    RectF m_bounds;
  };


#ifndef DOXYGEN_SHOULD_SKIP_THIS
}
#endif
}

#endif // GF_BUFFERED_GEOMETRY_H