class Evas_3D_Node (Evas_3D_Object, Evas.Common_Interface)
{
   legacy_prefix: null;
   data: Evas_3D_Node_Data;
   methods {
      constructor {
         /*@ Constructor. */
         legacy: null;
         params {
            @in Evas_3D_Node_Type type;
         }
      }
      type_get @const {
         /*
           Get the type of the given node.

           @return     The type of the given node.

           @see evas_3d_node_add()

           @ingroup Evas_3D_Node
          */
         return: Evas_3D_Node_Type ;
      }
      member_add {
         /*
           Add a member node to the given node.

           Nodes can be constructed into N-ary tree structure like other ordinary scene
           graph. Basically a node inherit transforms from its parent.

           @see evas_3d_node_parent_get()

           @ingroup Evas_3D_Node
          */

         params {
            @in Evas_3D_Node *member;  /*@ Node object to be added. */
         }
      }
      member_del {
         /*
           Delete a member node from the given node.

           @see evas_3d_node_member_add()

           @ingroup Evas_3D_Node
          */

         params {
            @in Evas_3D_Node *member;  /*@ Member node to be deleted from the given node. */
         }
      }

      parent_get @const {
         /*
           Get the parent node of the given node.

           @return        The parent node of the given node.

           @see evas_3d_node_member_add()

           @ingroup Evas_3D_Node
          */
         return: Evas_3D_Node *;
      }

      member_list_get @const {
         /*
           Get the list of member nodes of the given node.

           @return        The list of member nodes if any or @c NULL if there are none.

           @see evas_3d_node_member_add()

           @ingroup Evas_3D_Node
          */
         return: const(list<Evas_3D_Node *>)*;
      }
      position_set {

         /*
           Set the position of the given node.

           According to the inheritance flag, (x, y, z) can be a world space position or
           parent space position.

           Default position is (0.0, 0.0, 0.0).

           @see evas_3d_node_position_inherit_set()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_Real x;  /*@ X coordinate of the position. */
            @in Evas_Real y;  /*@ Y coordinate of the position. */
            @in Evas_Real z;  /*@ Z coordinate of the position. */
         }
      }
      orientation_set {
         /*
           Set the orientation of the given node using quaternion.

           According the the inheritance flag, (w, x, y, z) can be a world space
           orientation or parent space orientation.

           Default orientation is (1.0, 0.0, 0.0, 0.0) (identity quaternion).

           @see evas_3d_node_orientation_inherit_set()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_Real x;  /*@ X term of the orientation quaternion (w, x, y, z) */
            @in Evas_Real y;  /*@ Y term of the orientation quaternion (w, x, y, z) */
            @in Evas_Real z;  /*@ Z term of the orientation quaternion (w, x, y, z) */
            @in Evas_Real w;  /*@ W term of the orientation quaternion (w, x, y, z) */
         }
      }

      orientation_angle_axis_set {
         /*
           Set the orientation of the given node using axis-angle.

           @param node    The given node.
           @param angle   Rotation angle.
           @param x       X term of the rotation axis.
           @param y       Y term of the rotation axis.
           @param z       Z term of the rotation axis.

           @see evas_3d_node_orientation_set()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_Real angle;  /*@ Rotation angle.*/
            @in Evas_Real x;      /*@ X term of the rotation axis.*/
            @in Evas_Real y;      /*@ Y term of the rotation axis.*/
            @in Evas_Real z;      /*@ Z term of the rotation axis.*/
         }
      }

      scale_set {
         /*
           Set the scale of the given node.

           @param node    The given node.
           @param x       Scale factor along X-axis.
           @param y       Scale factor along Y-axis.
           @param z       Scale factor along Z-axis.

           According to the inheritance flag, (x, y, z) can be a world space scale or
           parent space scale. Be careful when using non-uniform scale factor with
           inheritance, each transform attributes are not affected by other attributes.

           Default scale is (1.0, 1.0, 1.0).

           @see evas_3d_node_scale_inherit_set()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_Real x;      /*@ Scale factor along X-axis.*/
            @in Evas_Real y;      /*@ Scale factor along Y-axis.*/
            @in Evas_Real z;      /*@ Scale factor along Z-axis.*/
         }
      }

      position_get @const {
         /*
           Get the position of the given node.

           @param node    The given node.
           @param x       Pointer to receive X coordinate of the position.
           @param y       Pointer to receive Y coordinate of the position.
           @param z       Pointer to receive Z coordinate of the position.

           @see evas_3d_node_position_set()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_3D_Space space; /*@  */
            @out Evas_Real x;      /*@ Pointer to receive X coordinate of the position.*/
            @out Evas_Real y;      /*@ Pointer to receive Y coordinate of the position.*/
            @out Evas_Real z;      /*@ Pointer to receive Z coordinate of the position.*/
         }
      }

      orientation_get @const {
         /*
           Get the orientation of the given node as quaternion.

           @param node    The given node.
           @param x       Pointer to receive X term of the orientation quaternion.
           @param y       Pointer to receive Y term of the orientation quaternion.
           @param z       Pointer to receive Z term of the orientation quaternion.
           @param w       Pointer to receive W term of the orientation quaternion.

           @see evas_3d_node_orientation_set()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_3D_Space space; /*@  */
            @out Evas_Real x;      /*@ Pointer to receive X term of the orientation quaternion.*/
            @out Evas_Real y;      /*@ Pointer to receive Y term of the orientation quaternion.*/
            @out Evas_Real z;      /*@ Pointer to receive Z term of the orientation quaternion.*/
            @out Evas_Real w;      /*@ Pointer to receive W term of the orientation quaternion.*/
         }
      }

      scale_get @const {
         /*
           Get the scale of the given node.

           @param node    The given node.
           @param x       Pointer to receive Scale factor along X-axis.
           @param y       Pointer to receive Scale factor along Y-axis.
           @param z       Pointer to receive Scale factor along Z-axis.

           @see evas_3d_node_scale_get()

           @ingroup Evas_3D_Node_Transform
          */
         params {
            @in Evas_3D_Space space; /*@  */
            @out Evas_Real x;      /*@ Pointer to receive Scale factor along X-axis.*/
            @out Evas_Real y;      /*@ Pointer to receive Scale factor along X-axis.*/
            @out Evas_Real z;      /*@ Pointer to receive Scale factor along X-axis.*/
         }
      }

      look_at_set {
         /*
           Rotate the given node to look at desired position.

           @param node          The given node.
           @param target_space  Space where the target position belongs to.
           @param x             X coordinate of the target position.
           @param y             Y coordinate of the target position.
           @param z             Z coordinate of the target position.
           @param up_space      Space where the up vector belongs to.
           @param ux            X term of the up vector.
           @param uy            Y term of the up vector.
           @param uz            Z term of the up vector.

           This function rotate the given node so that its forward vector (negative
           Z-axis) points to the desired position and the up vector coincide with the
           given up vector.

           @see evas_3d_node_orientation_set()

           @ingroup Evas_3D_Node_Transform
          */

         params {
            @in Evas_3D_Space target_space;  /*@ Space where the target position belongs to. */
            @in Evas_Real x;                 /*@ X coordinate of the target position. */
            @in Evas_Real y;                 /*@ Y coordinate of the target position. */
            @in Evas_Real z;                 /*@ Z coordinate of the target position. */
            @in Evas_3D_Space up_space;      /*@ Space where the up vector belongs to. */
            @in Evas_Real ux;                /*@ X term of the up vector. */
            @in Evas_Real uy;                /*@ Y term of the up vector. */
            @in Evas_Real uz;                /*@ Z term of the up vector. */
         }
      }

      mesh_add {
         /*
           Add a mesh to the given node.

           @param node          The given node.
           @param mesh          The mesh to be added.

           If the node is not of type EVAS_3D_NODE_TYPE_MESH, error message will be
           generated and nothing happens.

           @see evas_3d_node_add()

           @ingroup Evas_3D_Node
          */
         params {
            @in Evas_3D_Mesh *mesh;      /*@ The mesh to be added.*/
         }
      }

      mesh_del {
         /*
           Delete a mesh from the given node.

           @param node          The given node.
           @param mesh          The mesh to be deleted.

           If the node is not of type EVAS_3D_NODE_TYPE_MESH or the given mesh does not
           belong to the given node, error message will be gnerated and nothing happens.

           @see evas_3d_node_mesh_add()

           @ingroup Evas_3D_Node
          */
         params {
            @in Evas_3D_Mesh *mesh;      /*@ The mesh to be deleted.*/
         }
      }

      mesh_list_get @const {
         /*
           Get the list of meshes of the given node.

           @param node          The given node.
           @return              The list of meshes if any, or @c NULL if there're none.

           If the node is not of type EVAS_3D_NODE_TYPE_MESH, error message will be
           generated and @c NULL will be returned. If there're no meshes in the given
           node, @c NULL will be returned.

           @see evas_3d_node_mesh_add()

           @ingroup Evas_3D_Node
          */
         return: const(list<Evas_3D_Mesh *>)*;
      }

      bounding_box_get{
         /*
           Get axis-aligned bounding box (AABB) of the given node.
          *
          * @param node     The given node.
          * @param x        Pointer to receive X coordinate of the first point of AABB.
          * @param y        Pointer to receive Y coordinate of the first point of AABB.
          * @param z        Pointer to receive Z coordinate of the first point of AABB.
          * @param x2       Pointer to receive X coordinate of the second point of AABB.
          * @param y2       Pointer to receive Y coordinate of the second point of AABB.
          * @param z2       Pointer to receive Z coordinate of the second point of AABB.

           @ingroup Evas_3D_Node
          */
         params {
            @in Evas_Real *x;      /*@ Coordinates of vector.*/
            @in Evas_Real *y;
            @in Evas_Real *z;
            @in Evas_Real *x2;
            @in Evas_Real *y2;
            @in Evas_Real *z2;
         }
      }

      bounding_sphere_get {
         /*
          Get bounding sphere of the given node.
          *
          * @param node     The given node.

          * @param x       Pointer to receive X coordinate of the center of sphere.
          * @param y       Pointer to receive Y coordinate of the center of sphere.
          * @param z       Pointer to receive Z coordinate of center of sphere.
          * @param r       Pointer to receive radius of center of sphere.

           @ingroup Evas_3D_Node
          */
         params {

            @in Evas_Real *x;      /*@ Coordinates of vector.*/
            @in Evas_Real *y;
            @in Evas_Real *z;
            @in Evas_Real *r;
         }
      }
   }

   properties {

      position_inherit {
         set {
            /*
              Set the position inheritance flag of the given node.

              @param node    The given node.
              @param inherit Whether to inherit parent position @c EINA_TRUE or not @c EINA_FALSE.

              When inheritance is enabled, a node's world space position is determined by
              adding the parent node's world position and the node's position, otherwise,
              the node's position will be the world space position.

              @ingroup Evas_3D_Node_Transform
             */
         }
         get {
            /*
              Get the position inheritance flag of the given node.

              @param node    The given node.
              @return        @c EINA_TRUE if inheritance is enabled, or @c EINA_FALSE if not.

              @see evas_3d_node_position_inherit_set()

              @ingroup Evas_3D_Node_Transform
             */
         }
         values {
            bool inherit; /*@ Whether to inherit parent position*/
         }
      }

      orientation_inherit {
         set {
            /*
              Set the orientation inheritance flag of the given node.

              @param node    The given node.
              @param inherit Whether to inherit parent orientation @c EINA_TRUE or not @c EINA_FALSE.

              When inheritance is enabled, a node's world space orientation is determined
              by multiplying the parent node's world orientation and the node's
              orientation, otherwise, the node's orientation will be the world space
              orientation.

              @ingroup Evas_3D_Node_Transform
            */
         }
         get {
            /*
              Get the orientation inheritance flag of the given node.

              @param node    The given node.
              @return        @c EINA_TRUE if inheritance is enabled, or @c EINA_FALSE if not.

              @see evas_3d_node_orientation_inherit_set()

              @ingroup Evas_3D_Node_Transform
             */
         }
         values {
            bool inherit; /*@ Whether to inherit parent orientation*/
         }
      }

      scale_inherit {
         set {
            /*
              Set the scale inheritance flag of the given node.

              @param node    The given node.
              @param inherit Whether to inherit parent scale @c EINA_TRUE or not @c EINA_FALSE.

              When inheritance is enabled, a node's world space scale is determined by
              multiplying the parent node's world scale and the node's scale, otherwise,
              the node's scale will be the world space scale.

              @ingroup Evas_3D_Node_Transform
             */
         }
         get {
            /*
              Get the scale inheritance flag of the given node.

              @param node    The given node.
              @return        @c EINA_TRUE if inheritance is enabled, or @c EINA_FALSE if not.

              @see evas_3d_node_scale_inherit_set()

              @ingroup Evas_3D_Node_Transform
             */
         }
         values {
            bool inherit; /*@ Whether to inherit parent scale*/
         }
      }

      camera {
         set {
            /*
              Set a camera to the given node.

              @param node          The given node.
              @param camera        The camera to be set.

              If the node is not of type EVAS_3D_NODE_TYPE_CAMERA, error message will be
              generated and nothing happens.

              @see evas_3d_node_add()

              @ingroup Evas_3D_Node
             */
         }
         get {
            /*
              Get the camera of the given node.

              @param node          The given node.
              @return              The camera of the given node if any, or @c NULL if there're none.

              @see evas_3d_node_camera_set()

              @ingroup Evas_3D_Node
             */
         }
         values {
            Evas_3D_Camera *camera; /*@ The camera */
         }
      }

      light {
         set {
            /*
              Set the light of the given node.

              @param node          The given node.
              @param light         The light to be set.

              If the node is not of type EVAS_3D_NODE_TYPE_LIGHT, error message will be
              generated and nothing happens.

              @see evas_3d_node_add()

              @ingroup Evas_3D_Node
             */
         }
         get {
            /*
              Get the light of the given node.

              @param node          The given node.
              @return              The light of the given node if any, or @c NULL if there're none.

              @see evas_3d_node_light_set()

              @ingroup Evas_3D_Node
             */
         }
         values {
            Evas_3D_Light *light; /*@ The light */
         }
      }

      mesh_frame {
         set {
            /*
              Set the animation frame number of the given node for the given mesh.

              @param node          The given node.
              @param mesh          The given mesh.
              @param frame         The animation frame number.

              If the node is not of type EVAS_3D_NODE_TYPE_MESH or the given mesh does not
              belong to the given mesh error mesh will be generated and nothing happens.

              Default mesh frame is 0.

              @see evas_3d_node_mesh_add()

              @ingroup Evas_3D_Node
             */
         }
         get {
            /*
              Set the animation frame number of the given node for the given mesh.

              @param node          The given node.
              @param mesh          The given mesh.
              @param frame         The animation frame number.

              If the node is not of type EVAS_3D_NODE_TYPE_MESH or the given mesh does not
              belong to the given mesh error mesh will be generated and nothing happens.

              @see evas_3d_node_mesh_add()

              @ingroup Evas_3D_Node
             */
         }
         keys {
            Evas_3D_Mesh *mesh; /*@ The given mesh.*/
         }
         values {
            int frame; /*@ The animation frame number.*/
         }
      }
   }
   implements {
      Eo.Base.destructor;
      Evas_3D_Object.update_notify;
      Evas_3D_Object.change_notify;
      Evas_3D_Object.callback_register;
      Evas_3D_Object.callback_unregister;
   }
   constructors {
      .constructor;
   }
}