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| |
| #ifndef GLTFGEOMETRYLOADER_H |
| #define GLTFGEOMETRYLOADER_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/QJsonDocument> |
| |
| #include <Qt3DRender/private/qgeometryloaderinterface_p.h> |
| #include <Qt3DRender/qattribute.h> |
| #include <Qt3DRender/qbuffer.h> |
| |
| #include <private/qlocale_tools_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| #define GLTFGEOMETRYLOADER_EXT QLatin1String("gltf") |
| #define JSONGEOMETRYLOADER_EXT QLatin1String("json") |
| #define QGLTFGEOMETRYLOADER_EXT QLatin1String("qgltf") |
| |
| class QCamera; |
| class QCameraLens; |
| class QMaterial; |
| class QShaderProgram; |
| class QEffect; |
| class QAbstractTexture; |
| class QRenderState; |
| class QTechnique; |
| class QParameter; |
| class QGeometryRenderer; |
| class QGeometry; |
| |
| class GLTFGeometryLoader : public QGeometryLoaderInterface |
| { |
| class BufferData |
| { |
| public: |
| BufferData(); |
| explicit BufferData(const QJsonObject &json); |
| |
| quint64 length; |
| QString path; |
| QByteArray *data; |
| // type if ever useful |
| }; |
| |
| class ParameterData |
| { |
| public: |
| ParameterData(); |
| explicit ParameterData(const QJsonObject &json); |
| |
| QString semantic; |
| int type; |
| }; |
| |
| class AccessorData |
| { |
| public: |
| AccessorData(); |
| explicit AccessorData(const QJsonObject &json); |
| |
| QString bufferViewName; |
| int bufferViewIndex; |
| QAttribute::VertexBaseType type; |
| uint dataSize; |
| int count; |
| int offset; |
| int stride; |
| }; |
| |
| struct Gltf1 |
| { |
| QHash<QString, AccessorData> m_accessorDict; |
| QHash<QString, BufferData> m_bufferDatas; |
| QHash<QString, Qt3DRender::QBuffer*> m_buffers; |
| }; |
| |
| struct Gltf2 |
| { |
| QVector<BufferData> m_bufferDatas; |
| QVector<Qt3DRender::QBuffer*> m_buffers; |
| QVector<AccessorData> m_accessors; |
| }; |
| |
| Q_OBJECT |
| public: |
| GLTFGeometryLoader(); |
| ~GLTFGeometryLoader(); |
| |
| QGeometry *geometry() const final; |
| |
| bool load(QIODevice *ioDev, const QString &subMesh = QString()) final; |
| |
| protected: |
| void setBasePath(const QString &path); |
| bool setJSON(const QJsonDocument &json); |
| |
| static QString standardAttributeNameFromSemantic(const QString &semantic); |
| |
| void parse(); |
| void parseGLTF1(); |
| void parseGLTF2(); |
| void cleanup(); |
| |
| void processJSONBuffer(const QString &id, const QJsonObject &json); |
| void processJSONBufferView(const QString &id, const QJsonObject &json); |
| void processJSONAccessor(const QString &id, const QJsonObject &json); |
| void processJSONMesh(const QString &id, const QJsonObject &json); |
| |
| void loadBufferData(); |
| void unloadBufferData(); |
| |
| void processJSONBufferV2(const QJsonObject &json); |
| void processJSONBufferViewV2(const QJsonObject &json); |
| void processJSONAccessorV2(const QJsonObject &json); |
| void processJSONMeshV2(const QJsonObject &json); |
| |
| void loadBufferDataV2(); |
| void unloadBufferDataV2(); |
| |
| QByteArray resolveLocalData(const QString &path) const; |
| |
| static QAttribute::VertexBaseType accessorTypeFromJSON(int componentType); |
| static uint accessorDataSizeFromJson(const QString &type); |
| |
| private: |
| QJsonDocument m_json; |
| QString m_basePath; |
| QString m_mesh; |
| |
| Gltf1 m_gltf1; |
| Gltf2 m_gltf2; |
| |
| QGeometry *m_geometry; |
| }; |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |
| |
| #endif // GLTFGEOMETRYLOADER_H |