celestia/src/celengine/asterismrenderer.h

46 lines
1.4 KiB
C++

// asterismrenderer.h
//
// Copyright (C) 2018-2019, the Celestia Development Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
#pragma once
#include <vector>
#include <celengine/asterism.h>
#include <celutil/color.h>
#include "shadermanager.h"
#include "vertexobject.h"
class Renderer;
struct Matrices;
struct LineEnds;
class AsterismRenderer
{
public:
AsterismRenderer(const AsterismList *asterisms);
~AsterismRenderer() = default;
AsterismRenderer() = delete;
AsterismRenderer(const AsterismRenderer&) = delete;
AsterismRenderer(AsterismRenderer&&) = delete;
AsterismRenderer& operator=(const AsterismRenderer&) = delete;
AsterismRenderer& operator=(AsterismRenderer&&) = delete;
void render(const Renderer &renderer, const Color &color, const Matrices &mvp);
bool sameAsterisms(const AsterismList *asterisms) const;
private:
bool prepare(std::vector<LineEnds> &data);
celgl::VertexObject m_vo { GL_ARRAY_BUFFER, 0, GL_STATIC_DRAW };
ShaderProperties m_shadprop;
std::vector<GLsizei> m_vtxCount;
const AsterismList *m_asterisms { nullptr };
GLsizei m_vtxTotal { 0 };
};