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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.Framework.Interfaces
{
/// <summary>
/// Temporary interface. More methods to come at some point to make NPCs more object oriented rather than
/// controlling purely through module level interface calls (e.g. sit/stand).
/// </summary>
public interface INPC
{
/// <summary>
/// Should this NPC be sensed by LSL sensors as an 'agent' (interpreted here to mean a normal user)
/// rather than an OpenSim specific NPC extension?
/// </summary>
bool SenseAsAgent { get; }
}
public interface INPCModule
{
/// <summary>
/// Create an NPC
/// </summary>
/// <param name="firstname"></param>
/// <param name="lastname"></param>
/// <param name="position"></param>
/// <param name="senseAsAgent">
/// Make the NPC show up as an agent on LSL sensors. The default is that they
/// show up as the NPC type instead, but this is currently an OpenSim-only extension.
/// </param>
/// <param name="scene"></param>
/// <param name="appearance">The avatar appearance to use for the new NPC.</param>
/// <returns>The UUID of the ScenePresence created.</returns>
UUID CreateNPC(
string firstname,
string lastname,
Vector3 position,
UUID owner,
bool senseAsAgent,
Scene scene,
AvatarAppearance appearance);
/// <summary>
/// Check if the agent is an NPC.
/// </summary>
/// <param name="agentID"></param>
/// <param name="scene"></param>
/// <returns>True if the agent is an NPC in the given scene. False otherwise.</returns>
bool IsNPC(UUID agentID, Scene scene);
/// <summary>
/// Get the NPC. This is not currently complete - manipulation of NPCs still occurs through the region interface
/// </summary>
/// <param name="agentID"></param>
/// <param name="scene"></param>
/// <returns>The NPC. null if it does not exist.</returns>
INPC GetNPC(UUID agentID, Scene scene);
/// <summary>
/// Check if the caller has permission to manipulate the given NPC.
/// </summary>
/// <param name="npcID"></param>
/// <param name="callerID"></param>
/// <returns>true if they do, false if they don't or if there's no NPC with the given ID.</returns>
bool CheckPermissions(UUID npcID, UUID callerID);
/// <summary>
/// Set the appearance for an NPC.
/// </summary>
/// <param name="agentID"></param>
/// <param name="appearance"></param>
/// <param name="scene"></param>
/// <returns>True if the operation succeeded, false if there was no such agent or the agent was not an NPC</returns>
bool SetNPCAppearance(UUID agentID, AvatarAppearance appearance, Scene scene);
/// <summary>
/// Move an NPC to a target over time.
/// </summary>
/// <param name="agentID">The UUID of the NPC</param>
/// <param name="scene"></param>
/// <param name="pos"></param>
/// <param name="noFly">
/// If true, then the avatar will attempt to walk to the location even if it's up in the air.
/// This is to allow walking on prims.
/// </param>
/// <param name="landAtTarget">
/// If true and the avatar is flying when it reaches the target, land.
/// </param>
/// <returns>True if the operation succeeded, false if there was no such agent or the agent was not an NPC</returns>
bool MoveToTarget(UUID agentID, Scene scene, Vector3 pos, bool noFly, bool landAtTarget);
/// <summary>
/// Stop the NPC's current movement.
/// </summary>
/// <param name="agentID">The UUID of the NPC</param>
/// <param name="scene"></param>
/// <returns>True if the operation succeeded, false if there was no such agent or the agent was not an NPC</returns>
bool StopMoveToTarget(UUID agentID, Scene scene);
/// <summary>
/// Get the NPC to say something.
/// </summary>
/// <param name="agentID">The UUID of the NPC</param>
/// <param name="scene"></param>
/// <param name="text"></param>
/// <returns>True if the operation succeeded, false if there was no such agent or the agent was not an NPC</returns>
bool Say(UUID agentID, Scene scene, string text);
/// <summary>
/// Sit the NPC.
/// </summary>
/// <param name="agentID"></param>
/// <param name="partID"></param>
/// <param name="scene"></param>
/// <returns>true if the sit succeeded, false if not</returns>
bool Sit(UUID agentID, UUID partID, Scene scene);
/// <summary>
/// Stand a sitting NPC.
/// </summary>
/// <param name="agentID"></param>
/// <param name="scene"></param>
/// <returns>true if the stand succeeded, false if not</returns>
bool Stand(UUID agentID, Scene scene);
/// <summary>
/// Delete an NPC.
/// </summary>
/// <param name="agentID">The UUID of the NPC</param>
/// <param name="scene"></param>
/// <returns>True if the operation succeeded, false if there was no such agent or the agent was not an NPC</returns>
bool DeleteNPC(UUID agentID, Scene scene);
/// <summary>
/// Get the owner of a NPC
/// </summary>
/// <param name="agentID">The UUID of the NPC</param>
/// <returns>UUID of owner if the NPC exists, UUID.Zero if there was no such agent, the agent is unowned or the agent was not an NPC</returns>
UUID GetOwner(UUID agentID);
}
}
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