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maszyna/rendering/opengl33precipitation.cppm
2026-09-09 20:35:26 +02:00

56 lines
1.2 KiB
C++

/*
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
*/
module;
#include <cstdint>
#include <vector>
#include <optional>
export module eu07.rendering.opengl33precipitation;
import eu07.glm;
import eu07.gl.buffer;
import eu07.global_include.interfaces.itexture;
import eu07.model.texture;
import eu07.gl.vao;
import eu07.gl.shader;
export {
class opengl33_precipitation {
public:
// constructors
opengl33_precipitation() = default;
// destructor
~opengl33_precipitation();
// methods
void
update();
void
render();
private:
// methods
void create( int const Tesselation );
// members
std::vector<glm::vec3> m_vertices;
std::vector<glm::vec2> m_uvs;
std::vector<std::uint16_t> m_indices;
texture_handle m_texture { -1 };
float m_overcast { -1.f }; // cached overcast level, difference from current state triggers texture update
std::optional<gl::buffer> m_vertexbuffer;
std::optional<gl::buffer> m_uvbuffer;
std::optional<gl::buffer> m_indexbuffer;
std::optional<gl::program> m_shader;
std::optional<gl::vao> m_vao;
};
} // export