terrain-system.hpp

Go to the documentation of this file.

/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code 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 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef ANTKEEPER_GAME_TERRAIN_SYSTEM_HPP
#define ANTKEEPER_GAME_TERRAIN_SYSTEM_HPP
 
#include "game/systems/updatable-system.hpp"
#include "game/components/terrain-component.hpp"
#include <engine/entity/id.hpp>
#include <engine/gl/image.hpp>
#include <engine/math/transform.hpp>
#include <engine/math/vector.hpp>
#include <engine/render/model.hpp>
#include <engine/render/material.hpp>
#include <engine/geom/brep/brep-mesh.hpp>
#include <memory>
 
class terrain_system: public updatable_system
{
public:
    explicit terrain_system(entity::registry& registry);
    ~terrain_system();
    
    virtual void update(float t, float dt);
    
    entity::id generate(std::shared_ptr<gl::image_2d> heightmap, const math::uvec2& subdivisions, const math::transform<float>& transform, std::shared_ptr<render::material> material);
 
private:
    [[nodiscard]] std::unique_ptr<render::model> generate_terrain_model(const geom::brep_mesh& mesh, std::shared_ptr<render::material> material, const math::uvec2& quad_dimensions) const;
};
 
#endif // ANTKEEPER_GAME_TERRAIN_SYSTEM_HPP