KlassischeKeplerKriege/game/renderer_polygon_3d/polygon_model.hpp

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#pragma once
#include <string>
#include <iostream>
#include <assimp/Importer.hpp> // C++ importer interface
#include <assimp/scene.h> // Output data structure
#include <assimp/postprocess.h> // Post processing flags
#include <epoxy/gl.h>
#include <epoxy/glx.h>
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#include "glclasses.hpp"
// TODO: hide assimp inside
// and enable/disable
// to use own binary format without assimp for speed/compatibiblity
// TODO: add lod-options
// TODO: add generate from openscad options if models missing
namespace endofthejedi {
class PolygonModel {
public:
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PolygonModel(const std::string &filename);
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// (re) load data from file
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bool import();
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// connect stuff with the shader for rendering
// supply the current shader that should be used for this model.
// when it recompiles, call setup() again.
void setup(Shader *shader);
// upload model data to GPU
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bool uploadToOpenGl();
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// call bind before rendering
bool bind();
// call to render
bool render();
// clear everything and delete data
void clear();
private:
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bool copyVertices(const aiScene *scene);
const std::string &filename() const { return m_filename; }
private:
std::string m_filename;
bool m_loaded_from_file;
bool m_loaded_to_opengl;
bool m_binding_active;
// both will hold 3 * numVertices floats
std::vector<float> m_data_position;
std::vector<float> m_data_normal;
size_t m_numVertices;
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// TODO: watch for shader recompile
GLint m_attr_locations[2];
GLuint m_vbo_id[2];
Shader *m_shader;
};
}