SimpleEngine/include/simpleengine/gfx/model.h

52 lines
1.9 KiB
C++

#pragma once
#include "mesh.h"
#include "simpleengine/gfx/texture.h"
#include "../vector.h"
#include <assimp/material.h>
#include <assimp/mesh.h>
#include <assimp/scene.h>
//#include <assimp/mesh.h>
namespace simpleengine::gfx {
enum ModelProcessingFlags {
MdlProcFlag_NONE = 0x0,
MdlProcFlag_FLIP_TEX_COORDS_VERTICALLY = 0x1,
MdlProcFlag_FLIP_TEX_COORDS_HORIZONTALLY = 0x2,
MdlProcFlag_TRANSPARENT = 0x4,
};
/**
* @brief A Model is a group of Meshes read from the 3D model file.
*
* The engine uses assimp, so all formats that it supports can be found here:
* https://github.com/assimp/assimp/blob/master/doc/Fileformats.md
*
*/
class Model : public simpleengine::Transformable {
protected:
std::string model_directory; // May be needed
int additional_assimp_flags;
int model_processing_flags;
public:
std::vector<gfx::Mesh> meshes;
Model(std::string file_path, int model_processing_flags = ModelProcessingFlags::MdlProcFlag_NONE, int assimp_flags = 0);
void load_model(std::string path);
void process_node(std::unordered_map<aiTextureType, std::vector<std::shared_ptr<Texture>>>& processed_textures, aiNode* node, const aiScene* scene);
gfx::Mesh process_mesh(std::unordered_map<aiTextureType, std::vector<std::shared_ptr<Texture>>>& processed_textures, aiMesh* mesh, const aiScene* scene);
std::unordered_map<aiTextureType, std::vector<Texture>> load_all_textures(aiMaterial* material);
std::vector<std::shared_ptr<Texture>> load_material_texture(std::unordered_map<aiTextureType, std::vector<std::shared_ptr<Texture>>>& processed_textures, aiMaterial* material, aiTextureType type);
protected:
void post_process();
public:
void vertically_flip_tex_coords();
void horizontally_flip_tex_coords();
void calculate_tangents();
};
}