135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
// This file is part of Noggit3, licensed under GNU General Public License (version 3).
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#pragma once
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#include <opengl/scoped.hpp>
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#include <opengl/shader.hpp>
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#include <noggit/ContextObject.hpp>
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#include <memory>
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#include <unordered_map>
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namespace math
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{
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struct vector_3d;
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struct vector_4d;
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}
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namespace OpenGL
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{
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namespace primitives
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{
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class wire_box
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{
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public:
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wire_box() {}
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wire_box( const wire_box&);
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wire_box& operator=( wire_box& box ) { return *this; };
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public:
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static wire_box& getInstance(Noggit::NoggitRenderContext context)
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{
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static std::unordered_map<Noggit::NoggitRenderContext, wire_box> instances;
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if (instances.find(context) == instances.end())
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{
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wire_box instance;
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instances[context] = instance;
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}
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return instances.at(context);
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}
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void draw ( glm::mat4x4 const& model_view
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, glm::mat4x4 const& projection
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, glm::mat4x4 const& transform
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, glm::vec4 const& color
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, glm::vec3 const& min_point
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, glm::vec3 const& max_point
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);
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void unload();
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private:
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bool _buffers_are_setup = false;
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void setup_buffers();
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Scoped::deferred_upload_vertex_arrays<1> _vao;
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Scoped::deferred_upload_buffers<1> _buffers;
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GLuint const& _indices = _buffers[0];
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std::unique_ptr<OpenGL::program> _program;
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};
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class grid
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{
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public:
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void draw(glm::mat4x4 const& mvp
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, glm::vec3 const& pos
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, glm::vec4 const& color
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, float radius
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);
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void unload();
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private:
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bool _buffers_are_setup = false;
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void setup_buffers();
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int _indice_count = 0;
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Scoped::deferred_upload_vertex_arrays<1> _vao;
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Scoped::deferred_upload_buffers<2> _buffers;
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GLuint const& _vertices_vbo = _buffers[0];
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GLuint const& _indices_vbo = _buffers[1];
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std::unique_ptr<OpenGL::program> _program;
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};
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class sphere
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{
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public:
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void draw(glm::mat4x4 const& mvp
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, glm::vec3 const& pos
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, glm::vec4 const& color
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, float radius
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);
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void unload();
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private:
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bool _buffers_are_setup = false;
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void setup_buffers();
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int _indice_count = 0;
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Scoped::deferred_upload_vertex_arrays<1> _vao;
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Scoped::deferred_upload_buffers<2> _buffers;
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GLuint const& _vertices_vbo = _buffers[0];
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GLuint const& _indices_vbo = _buffers[1];
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std::unique_ptr<OpenGL::program> _program;
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};
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class square
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{
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public:
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void draw(glm::mat4x4 const& mvp
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, glm::vec3 const& pos
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, float radius // radius of the biggest circle fitting inside the square drawn
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, math::radians inclination
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, math::radians orientation
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, glm::vec4 const& color
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);
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void unload();
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private:
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bool _buffers_are_setup = false;
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void setup_buffers();
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Scoped::deferred_upload_vertex_arrays<1> _vao;
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Scoped::deferred_upload_buffers<2> _buffers;
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GLuint const& _vertices_vbo = _buffers[0];
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GLuint const& _indices_vbo = _buffers[1];
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std::unique_ptr<OpenGL::program> _program;
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};
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}
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}
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