SceneReader.h

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#pragma once
 
#include <string>
#include <vector>
 
#include <tdme/tdme.h>
#include <tdme/engine/fileio/fwd-tdme.h>
#include <tdme/engine/fileio/models/ModelFileIOException.h>
#include <tdme/engine/fileio/prototypes/fwd-tdme.h>
#include <tdme/engine/fileio/scenes/fwd-tdme.h>
#include <tdme/engine/model/Node.h>
#include <tdme/engine/prototype/fwd-tdme.h>
#include <tdme/engine/scene/fwd-tdme.h>
#include <tdme/math/Matrix4x4.h>
#include <tdme/os/filesystem/FileSystemException.h>
 
#include <ext/rapidjson/document.h>
 
using std::string;
using std::vector;
 
using tdme::engine::fileio::models::ModelFileIOException;
using tdme::engine::fileio::prototypes::PrototypeTransformFilter;
using tdme::engine::fileio::ProgressCallback;
using tdme::engine::model::Node;
using tdme::engine::scene::Scene;
using tdme::math::Matrix4x4;
using tdme::os::filesystem::FileSystemException;
 
using rapidjson::Value;
 
/**
 * Scene reader
 * @author Andreas Drewke
 */
class tdme::engine::fileio::scenes::SceneReader final
{
 
public:
    /**
     * Reads a scene
     * @param pathName path name
     * @param fileName file name
     * @param progressCallback progress callback
     * @param prototypeTransformFilter prototype transform filter
     * @throws tdme::os::filesystem::FileSystemException
     * @throws tdme::engine::fileio::models::ModelFileIOException
     * @return scene
     */
    static Scene* read(const string& pathName, const string& fileName, ProgressCallback* progressCallback = nullptr, PrototypeTransformFilter* prototypeTransformFilter = nullptr);
 
    /**
     * Reads a scene
     * @param pathName path name
     * @param fileName file name
     * @param objectIdPrefix object id prefix
     * @param progressCallback progress callback
     * @param prototypeTransformFilter prototype transform filter
     * @throws tdme::os::filesystem::FileSystemException
     * @throws tdme::engine::fileio::models::ModelFileIOException
     * @return scene
     */
    static Scene* read(const string& pathName, const string& fileName, const string& objectIdPrefix, ProgressCallback* progressCallback = nullptr, PrototypeTransformFilter* prototypeTransformFilter = nullptr);
 
    /**
     * Reads a scene
     * @param pathName path name
     * @param fileName file name
     * @param progressCallback progress callback
     * @throws tdme::os::filesystem::FileSystemException
     * @throws tdme::engine::fileio::models::ModelFileIOException
     * @return scene
     */
    static Scene* readFromModel(const string& pathName, const string& fileName, ProgressCallback* progressCallback = nullptr);
 
private:
    struct PrototypeMeshNode {
        string id;
        string name;
        Matrix4x4 transformMatrix;
        Node* node;
    };
 
    /**
     * Determine mesh nodes in node hierarchy
     * @param scene scene
     * @param node node
     * @param parentName parent node
     * @param parentTransformMatrix parent transform matrix
     * @param meshNodes mesh nodes
     */
    static void determineMeshNodes(Scene* scene, Node* node, const string& parentName, const Matrix4x4& parentTransformMatrix, vector<PrototypeMeshNode>& meshNodes);
};