/*
 * 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 System;
using OpenMetaverse;

namespace OpenSim.Framework
{
    public class Constants
    {
        public const int MaxAgentAttachments = 38;
        public const int MaxAgentGroups = 60;

        public const int MaxEstateAccessIds = 500;
        public const int MaxEstateManagers = 20;

        // 'RegionSize' is the legacy region size.
        // DO NOT USE THIS FOR ANY NEW CODE. Use Scene.RegionInfo.RegionSize[XYZ] as a region might not
        //      be the legacy region size.
        public const uint RegionSize = 256;
        public const uint RegionHeight = 4096;

        public const uint MaximumRegionSize = 4096;

        // Since terrain is stored in 16x16 heights, regions must be a multiple of this number and that is the minimum
        // but for placement on a grid min must be 256m
        public const int MinRegionSize = 256;
        public const int TerrainPatchSize = 16;

        public const int LandUnit = 4; // parcels only have sizes multiple of this

        public const float MinSimulationHeight = -100f;
        public const float MaxSimulationHeight = 50000f;
        public const float MinTerrainHeightmap = -100f;
        public const float MaxTerrainHeightmap = 4000f;
        public const float MinWaterHeight = 0;
        public const float MaxWaterHeight = 8000f;

        public const int MaxTextureResolution = 2048;

        public static readonly string DefaultTexture = "89556747-24cb-43ed-920b-47caed15465f"; //plywood
        public static readonly UUID DefaultTextureID = new UUID(DefaultTexture);

        public static readonly string DefaultScript = "2074003b-8d5f-40e5-8b20-581c1c50aedb"; // must be on default assets and cache
        public static readonly UUID DefaultScriptID = new UUID(DefaultScript);
        public static readonly string DefaultScriptText = "default\n{\n    state_entry()\n    {\n        llSay(0, \"Script running\");\n    }\n}";
        public static readonly byte[] DefaultScriptData = osUTF8.GetASCIIBytes(DefaultScriptText);

        public static readonly string EmptyNotecard = "4b6a777d-7bcd-4fc4-b06f-929b21e32925";
        public static readonly UUID EmptyNotecardID = new UUID(EmptyNotecard);
        public static readonly byte[] EmptyNotecardData = osUTF8.GetASCIIBytes("Linden text version 2\n{\nLLEmbeddedItems version 1\n{\ncount 0\n}\nText length 0\n}\n\0");

        public static readonly string DefaultMaterial = "968cbad0-4dad-d64e-71b5-72bf13ad051a";
        public static readonly UUID DefaultMaterialID = new UUID(DefaultMaterial);

        public static readonly string m_MrOpenSimIDString = "11111111-1111-0000-0000-000100bba000";
        public static readonly UUID m_MrOpenSimID = new UUID(m_MrOpenSimIDString);
        public static readonly DateTime m_MrOpenSimBorn = new DateTime(2007, 1, 1, 0, 0, 0, DateTimeKind.Utc);

        public static readonly string servicesAgentIDString = "6571e388-6218-4574-87db-f9379718315e";
        public static readonly UUID servicesGodAgentID = new UUID(servicesAgentIDString);

        public enum EstateAccessCodex : uint
        {
            AllowedAccess = 1,
            AllowedGroups = 2,
            EstateBans = 4,
            EstateManagers = 8
        }

        public enum EstateAccessLimits : int
        {
            AllowedAccess = MaxEstateAccessIds,
            AllowedGroups = 63,
            EstateBans = 500,
            EstateManagers = MaxEstateManagers
        }

        [Flags]public enum TeleportFlags : uint
        {
            /// <summary>No flags set, or teleport failed</summary>
            Default = 0,
            /// <summary>Set when newbie leaves help island for first time</summary>
            SetHomeToTarget = 1 << 0,
            /// <summary></summary>
            SetLastToTarget = 1 << 1,
            /// <summary>Via Lure</summary>
            ViaLure = 1 << 2,
            /// <summary>Via Landmark</summary>
            ViaLandmark = 1 << 3,
            /// <summary>Via Location</summary>
            ViaLocation = 1 << 4,
            /// <summary>Via Home</summary>
            ViaHome = 1 << 5,
            /// <summary>Via Telehub</summary>
            ViaTelehub = 1 << 6,
            /// <summary>Via Login</summary>
            ViaLogin = 1 << 7,
            /// <summary>Linden Summoned</summary>
            ViaGodlikeLure = 1 << 8,
            /// <summary>Linden Forced me</summary>
            Godlike = 1 << 9,
            /// <summary></summary>
            NineOneOne = 1 << 10,
            /// <summary>Agent Teleported Home via Script</summary>
            DisableCancel = 1 << 11,
            /// <summary></summary>
            ViaRegionID = 1 << 12,
            /// <summary></summary>
            IsFlying = 1 << 13,
            /// <summary></summary>
            ResetHome = 1 << 14,
            /// <summary>forced to new location for example when avatar is banned or ejected</summary>
            ForceRedirect = 1 << 15,
            /// <summary>Teleport Finished via a Lure</summary>
            FinishedViaLure = 1 << 26,
            /// <summary>Finished, Sim Changed</summary>
            FinishedViaNewSim = 1 << 28,
            /// <summary>Finished, Same Sim</summary>
            FinishedViaSameSim = 1 << 29,
            /// <summary>Agent coming into the grid from another grid</summary>
            ViaHGLogin = 1 << 30,
            notViaHGLogin = 0xbffffff
        }
    }
}