43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#include "ModelLoader.h"
|
|
#include <assimp/Importer.hpp>
|
|
#include <assimp/config.h>
|
|
#include <assimp/material.h>
|
|
#include <assimp/postprocess.h>
|
|
#include <assimp/scene.h>
|
|
|
|
std::vector<PModel> ModelLoader::loadModel(std::string_view filename)
|
|
{
|
|
Assimp::Importer importer;
|
|
const aiScene* scene = importer.ReadFile(std::string(filename), aiProcess_Triangulate);
|
|
std::cout << importer.GetErrorString() << std::endl;
|
|
std::vector<PModel> result;
|
|
for (int m = 0; m < scene->mNumMeshes; ++m)
|
|
{
|
|
PModel model = std::make_unique<Model>();
|
|
const aiMesh* mesh = scene->mMeshes[m];
|
|
AABB aabb;
|
|
for (int v = 0; v < mesh->mNumVertices; ++v)
|
|
{
|
|
auto aiVert = mesh->mVertices[v];
|
|
model->positions.push_back(glm::vec3(aiVert.x, aiVert.y, aiVert.z));
|
|
if (mesh->HasTextureCoords(0))
|
|
{
|
|
model->texCoords.push_back(glm::vec2(mesh->mTextureCoords[0][v].x, mesh->mTextureCoords[0][v].y));
|
|
}
|
|
else
|
|
{
|
|
model->texCoords.push_back(glm::vec2(0, 0));
|
|
}
|
|
aabb.adjust(model->positions.back());
|
|
}
|
|
for (int i = 0; i < mesh->mNumFaces; ++i)
|
|
{
|
|
auto face = mesh->mFaces[i];
|
|
model->indices.push_back(glm::uvec3(face.mIndices[0], face.mIndices[1], face.mIndices[2]));
|
|
}
|
|
model->boundingBox = aabb;
|
|
result.push_back(std::move(model));
|
|
}
|
|
return result;
|
|
}
|