ac843c0fe3
- Removed ReadEntireFile - ZipWriter now writes directly to a file when possible - Added GetIndex to geometry - Moved Usd and Obj generators to different files - Removed unused procedures - Deduplicated obj generators - Updated tests for ZipWriter
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
*/
|
|
#pragma once
|
|
|
|
#include <utility>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <fmt/core.h>
|
|
#include "Scene/Geometry.hpp"
|
|
|
|
namespace OpenVulkano::Scene
|
|
{
|
|
// Returns [objContents, mtlContents]
|
|
std::pair<std::string, std::string> GetObjContents(Geometry* geometry, const std::string& texturePath)
|
|
{
|
|
std::pair<std::string, std::string> result;
|
|
|
|
bool useTexture = texturePath.size() != 0;
|
|
|
|
std::stringstream objContent;
|
|
objContent << "# OBJ file generated by OpenVulkanoCpp\n";
|
|
|
|
if (useTexture)
|
|
{
|
|
std::stringstream mtlContent;
|
|
std::string materialName = "Material0";
|
|
mtlContent << "newmtl " << materialName << R"(
|
|
Ka 1.000 1.000 1.000
|
|
Kd 1.000 1.000 1.000
|
|
Ks 0.000 0.000 0.000
|
|
map_Ka texture.png
|
|
map_Kd texture.png
|
|
)";
|
|
objContent << "mtllib material.mtl\nusemtl " << materialName << "\n";
|
|
|
|
result.second = mtlContent.str();
|
|
}
|
|
|
|
for (int i = 0; i < geometry->vertexCount; ++i)
|
|
{
|
|
const auto& v = geometry->vertices[i];
|
|
objContent << fmt::format("v {} {} {}\n", v.position.x, v.position.y, v.position.z);
|
|
}
|
|
for (int i = 0; i < geometry->vertexCount; ++i)
|
|
{
|
|
const auto& v = geometry->vertices[i];
|
|
objContent << fmt::format("vn {} {} {}\n", v.normal.x, v.normal.y, v.normal.z);
|
|
}
|
|
for (int i = 0; i < geometry->vertexCount; ++i)
|
|
{
|
|
const auto& v = geometry->vertices[i];
|
|
objContent << fmt::format("vt {} {}\n", v.textureCoordinates.x, v.textureCoordinates.y);
|
|
}
|
|
for (int i = 0; i < geometry->indexCount; i += 3)
|
|
{
|
|
uint32_t i0 = geometry->GetIndex(i + 0) + 1;
|
|
uint32_t i1 = geometry->GetIndex(i + 1) + 1;
|
|
uint32_t i2 = geometry->GetIndex(i + 2) + 1;
|
|
objContent << fmt::format("f {0}/{0}/{0} {1}/{1}/{1} {2}/{2}/{2}\n", i0, i1, i2);
|
|
}
|
|
|
|
result.first = objContent.str();
|
|
|
|
return result;
|
|
}
|
|
} |