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-rw-r--r--gfx/models/obj.impl.cpp77
1 files changed, 0 insertions, 77 deletions
diff --git a/gfx/models/obj.impl.cpp b/gfx/models/obj.impl.cpp
deleted file mode 100644
index 205abc8..0000000
--- a/gfx/models/obj.impl.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-#include "obj.h"
-#include <algorithm>
-#include <cassert>
-#include <filesystem>
-#include <fstream>
-#include <gfx/models/mesh.h> // IWYU pragma: keep
-#include <gfx/models/vertex.hpp>
-#include <glm/glm.hpp>
-#include <iterator>
-#include <map>
-#include <memory>
-#include <utility>
-#include <vector>
-
-ObjParser::ObjParser(const std::filesystem::path & fileName) : ObjParser {std::make_unique<std::ifstream>(fileName)} { }
-
-ObjParser::ObjParser(std::unique_ptr<std::istream> in) : yyFlexLexer(in.get())
-{
- assert(in);
- ObjParser::yylex();
- assert(in->good());
- constexpr const glm::mat4 obj2ilt {
- -1, 0, 0, 0, // x
- 0, 0, 1, 0, // y
- 0, 1, 0, 0, // z
- 0, 0, 0, 0, // w
- };
- std::for_each(vertices.begin(), vertices.end(), [&obj2ilt](auto & v) {
- v = v * obj2ilt;
- });
- std::for_each(normals.begin(), normals.end(), [&obj2ilt](auto & v) {
- v = glm::vec4 {v, 0} * obj2ilt;
- });
-}
-
-ObjParser::NamedMeshes
-ObjParser::createMeshes() const
-{
- NamedMeshes out;
- const auto data {createMeshData()};
- std::transform(data.begin(), data.end(), std::inserter(out, out.end()), [](auto && obj) {
- return std::make_pair(obj.first, std::make_shared<Mesh>(obj.second.first, obj.second.second));
- });
- return out;
-}
-
-ObjParser::NamedMeshesData
-ObjParser::createMeshData() const
-{
- NamedMeshesData out;
- std::transform(objects.begin(), objects.end(), std::inserter(out, out.end()), [this](auto && obj) {
- std::vector<Vertex> overtices;
- std::vector<ObjParser::FaceElement> vertexOrder;
- std::vector<unsigned int> indices;
- for (const auto & face : obj.second) {
- for (auto idx = 2U; idx < face.size(); idx += 1) {
- auto f = [&](auto idx) {
- const auto & fe {face[idx]};
- if (const auto existing = std::find(vertexOrder.begin(), vertexOrder.end(), fe);
- existing != vertexOrder.end()) {
- indices.push_back(static_cast<unsigned int>(std::distance(vertexOrder.begin(), existing)));
- }
- else {
- indices.push_back(static_cast<unsigned int>(overtices.size()));
- overtices.emplace_back(vertices[fe.x - 1], texCoords[fe.y - 1], -normals[fe.z - 1]);
- vertexOrder.emplace_back(fe);
- }
- };
- f(0U);
- f(idx);
- f(idx - 1);
- }
- }
- return std::make_pair(obj.first, std::make_pair(overtices, indices));
- });
- return out;
-}