ViewDesignEngine/include/vde/foundation/io_stl.h

#pragma once
#include <string>
#include <vector>
#include "vde/foundation/math_types.h"

namespace vde::foundation {

struct StlTriangle {
    Vector3D normal;
    Point3D v0, v1, v2;
};

/// Auto-detect format (binary or ASCII) and read.
std::vector<StlTriangle> read_stl(const std::string& filepath);

/// Always write binary STL.
void write_stl(const std::string& filepath, const std::vector<StlTriangle>& tris);

/// Write ASCII STL (human-readable).
void write_stl_ascii(const std::string& filepath, const std::vector<StlTriangle>& tris);

}  // namespace vde::foundation