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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;
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 * 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 System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Framework;

namespace OpenSim.Region.Framework.Interfaces
{
    public interface ILandChannel
    {

        float BanLineSafeHeight {get;}
        /// <summary>
        /// Get all parcels
        /// </summary>
        /// <returns></returns>
        List<ILandObject> AllParcels();

        /// <summary>
        /// Get the parcel at the specified point
        /// </summary>
        /// <param name="x">Value between 0 - 256 on the x axis of the point</param>
        /// <param name="y">Value between 0 - 256 on the y axis of the point</param>
        /// <returns>Land object at the point supplied</returns>
        ILandObject GetLandObject(int x, int y);

        /// <summary>
        /// Get the parcel at the specified point
        /// </summary>
        /// <param name="x">Value between 0 - 256 on the x axis of the point</param>
        /// <param name="y">Value between 0 - 256 on the y axis of the point</param>
        /// <returns>Land object at the point supplied</returns>
        ILandObject GetLandObject(float x, float y);
        ILandObject GetLandObjectClippedXY(float x, float y);
        /// <summary>
        /// Get the parcel at the specified point
        /// </summary>
        /// <param name="position">Vector where x and y components are between 0 and 256.  z component is ignored.</param>
        /// <returns>Land object at the point supplied</returns>
        ILandObject GetLandObject(Vector3 position);

        /// <summary>
        /// Get the parcels near the specified point
        /// </summary>
        /// <param name="position"></param>
        /// <returns></returns>
        List<ILandObject> ParcelsNearPoint(Vector3 position);

        /// <summary>
        /// Get the parcel given the land's local id.
        /// </summary>
        /// <param name="localID"></param>
        /// <returns></returns>
        ILandObject GetLandObject(int localID);

        ILandObject GetLandObject(UUID GlobalID);

        /// <summary>
        /// Clear the land channel of all parcels.
        /// </summary>
        /// <param name="setupDefaultParcel">
        /// If true, set up a default parcel covering the whole region owned by the estate owner.
        /// </param>
        void Clear(bool setupDefaultParcel);

        bool IsForcefulBansAllowed();
        void UpdateLandObject(int localID, LandData data);
        void SendParcelsOverlay(IClientAPI client);
        void ReturnObjectsInParcel(int localID, uint returnType, UUID[] agentIDs, UUID[] taskIDs, IClientAPI remoteClient);
        void setParcelObjectMaxOverride(overrideParcelMaxPrimCountDelegate overrideDel);
        void setSimulatorObjectMaxOverride(overrideSimulatorMaxPrimCountDelegate overrideDel);
        void SetParcelOtherCleanTime(IClientAPI remoteClient, int localID, int otherCleanTime);

        void Join(int start_x, int start_y, int end_x, int end_y, UUID attempting_user_id);
        void Subdivide(int start_x, int start_y, int end_x, int end_y, UUID attempting_user_id);
        void sendClientInitialLandInfo(IClientAPI remoteClient, bool overlay);
        void ClearAllEnvironments();
    }
}