opensim/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs

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using System;
using System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;

namespace OpenSim.Region.Framework.Interfaces
{
    public interface IAttachmentsModule
    {
        /// <summary>
        /// Copy attachment data from a ScenePresence into the AgentData structure for transmission to another simulator
        /// </summary>
        /// <param name='sp'></param>
        /// <param name='ad'></param>
        void CopyAttachments(IScenePresence sp, AgentData ad);

        /// <summary>
        /// Copy attachment data from an AgentData structure into a ScenePresence.
        /// </summary>
        /// <param name='ad'></param>
        /// <param name='sp'></param>
        void CopyAttachments(AgentData ad, IScenePresence sp);

        /// <summary>
        /// RezAttachments. This should only be called upon login on the first region.
        /// Attachment rezzings on crossings and TPs are done in a different way.
        /// </summary>
        /// <param name="sp"></param>
        void RezAttachments(IScenePresence sp);

        /// <summary>
        /// Derez the attachements for a scene presence that is closing.
        /// </summary>
        /// <remarks>
        /// Attachment changes are saved.
        /// </remarks>
        /// <param name="sp">The presence closing</param>
        /// <param name="saveChanged">Save changed attachments.</param>
        /// <param name="saveAllScripted">Save attachments with scripts even if they haven't changed.</para>
        void DeRezAttachments(IScenePresence sp);

        /// <summary>
        /// Delete all the presence's attachments from the scene
        /// This is done when a root agent leaves/is demoted to child (for instance, on logout, teleport or region cross).
        /// </summary>
        /// <param name="sp"></param>
        /// <param name="silent"></param>
        void DeleteAttachmentsFromScene(IScenePresence sp, bool silent);

        /// <summary>
        /// Attach an object to an avatar
        /// </summary>
        /// <param name="sp"></param>
        /// <param name="grp"></param>
        /// <param name="AttachmentPt"></param>
        /// <param name="silent"></param>
        /// <returns>true if the object was successfully attached, false otherwise</returns>
        bool AttachObject(IScenePresence sp, SceneObjectGroup grp, uint AttachmentPt, bool silent);

        /// <summary>
        /// Rez an attachment from user inventory and change inventory status to match.
        /// </summary>
        /// <param name="sp"></param>
        /// <param name="itemID"></param>
        /// <param name="AttachmentPt"></param>
        /// <returns>The scene object that was attached.  Null if the scene object could not be found</returns>
        SceneObjectGroup RezSingleAttachmentFromInventory(IScenePresence sp, UUID itemID, uint AttachmentPt);

        /// <summary>
        /// Rez multiple attachments from a user's inventory
        /// </summary>
        /// <param name="sp"></param>
        /// <param name="rezlist"></param>
        void RezMultipleAttachmentsFromInventory(IScenePresence sp,List<KeyValuePair<UUID, uint>> rezlist);
            
        /// <summary>
        /// Detach the given item to the ground.
        /// </summary>
        /// <param name="sp"></param>
        /// <param name="objectLocalID"></param>
        void DetachSingleAttachmentToGround(IScenePresence sp, uint objectLocalID);

        /// <summary>
        /// Detach the given attachment so that it remains in the user's inventory.
        /// </summary>
        /// <param name="sp">/param>
        /// <param name="grp">The attachment to detach.</param>
        void DetachSingleAttachmentToInv(IScenePresence sp, SceneObjectGroup grp);
        
        /// <summary>
        /// Update the position of an attachment.
        /// </summary>
        /// <param name="sog"></param>
        /// <param name="pos"></param>
        void UpdateAttachmentPosition(SceneObjectGroup sog, Vector3 pos);
    }
}