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tyra-linux/engine/inc/loaders/3d/obj_loader/obj_loader.hpp
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2022-08-11 10:20:35 +02:00

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/*
# _____ ____ ___
# | \/ ____| |___|
# | | | \ | |
#-----------------------------------------------------------------------
# Copyright 2022, tyra - https://github.com/h4570/tyra
# Licensed under Apache License 2.0
# Sandro Sobczyński <sandro.sobczynski@gmail.com>
*/
#pragma once
#include "../../loader.hpp"
#include "../builder/mesh_builder_data.hpp"
#include <string>
#include "renderer/models/color.hpp"
#include "loaders/3d/obj_loader/tiny_obj_loader.hpp"
namespace Tyra {
struct ObjLoaderAnimationOptions {
u16 count = 1;
u16 startingIndex = 1;
};
struct ObjLoaderOptions {
bool flipUVs = false;
float scale = 1.0F;
ObjLoaderAnimationOptions animation;
};
struct MaterialVertexCount {
size_t materialId;
int count;
};
/** Class responsible for loading & parsing obj files */
class ObjLoader : public Loader {
public:
ObjLoader();
~ObjLoader();
MeshBuilderData* load(const char* fullpath);
MeshBuilderData* load(const char* fullpath, const ObjLoaderOptions& options);
MeshBuilderData* load(const std::string& fullpath);
MeshBuilderData* load(const std::string& fullpath,
const ObjLoaderOptions& options);
private:
void addOutputMaterialsAndFrames(
MeshBuilderData* output, const tinyobj::attrib_t& attrib,
const std::vector<tinyobj::shape_t>& shapes,
const std::vector<tinyobj::material_t>& materials, const u16& framesCount,
std::vector<MaterialVertexCount>& materialVertexCounts);
std::vector<MaterialVertexCount> scan(
const std::vector<tinyobj::shape_t>& shapes,
const std::vector<tinyobj::material_t>& materials);
void importFrame(MeshBuilderData* output, const tinyobj::attrib_t& attrib,
const std::vector<tinyobj::shape_t>& shapes,
const std::vector<tinyobj::material_t>& materials,
const u16& frameIndex, const float& scale,
const bool& invertY, const u16& count);
};
} // namespace Tyra