export_scene.hpp

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// SPDX-FileCopyrightText: 2025 Povl Filip Sonne-Frederiksen
//
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include "reusex/geometry/BuildingComponent.hpp"
#include "reusex/types.hpp"
 
#include <pcl/PolygonMesh.h>
 
#include <array>
#include <cstdint>
#include <map>
#include <optional>
#include <string>
#include <vector>
 
namespace reusex {
class ProjectDB;
}
 
namespace reusex::io {

struct ExportScene {
 
  // --- Cloud ---
  struct CloudLayer {
    CloudConstPtr cloud;    
    CloudNConstPtr normals; 
  };
  std::optional<CloudLayer> cloud;
 
  // --- Semantic ---
  struct SemanticInstance {
    uint32_t instance_id = 0; 
    CloudConstPtr points;
  };
  struct SemanticCategory {
    std::string name;                  
    int label_id = 0;                  
    std::array<uint8_t, 3> color = {}; 
    std::vector<SemanticInstance> instances;
  };
  std::vector<SemanticCategory> semantic;
 
  // --- Meshes ---
  struct MeshEntry {
    std::string name;
    pcl::PolygonMesh::Ptr mesh;
  };
  std::vector<MeshEntry> meshes;
 
  // --- 360 Panoramas ---
  struct PanoEntry {
    std::string image_name;     
    std::string image_url;      
    double x = 0, y = 0, z = 0; 
  };
  std::vector<PanoEntry> panoramas;
 
  // --- Materials ---
  struct MaterialEntry {
    std::string name;           
    std::string image_filename; 
    double x = 0, y = 0, z = 0; 
    std::array<double, 16> transform{1, 0, 0, 0, 0, 1, 0, 0,
                                     0, 0, 1, 0, 0, 0, 0, 1};
    std::map<std::string, std::string> properties;
  };
  std::vector<MaterialEntry> materials;
 
  // --- Building Components ---
  struct ComponentEntry {
    std::string name;
    geometry::ComponentType type;
    geometry::CoplanarPolygon boundary;
    double confidence = -1.0;
    std::string notes;
    std::map<std::string, std::string> properties;
  };
  std::vector<ComponentEntry> components;
};

ExportScene gather_export_scene(const ProjectDB &db);
 
} // namespace reusex::io