* Fixed a typo in OpenMetaverse.ObjectManager
* Improved BuildFullUpdate in Simian * Added ObjectManager in Simian, prim creation is working (no editing yet) git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@2162 52acb1d6-8a22-11de-b505-999d5b087335
This commit is contained in:
John Hurliman
287
Programs/Simian/Extensions/ObjectManager.cs
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287
Programs/Simian/Extensions/ObjectManager.cs
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using OpenMetaverse;
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using OpenMetaverse.Rendering;
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using OpenMetaverse.Packets;
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namespace Simian.Extensions
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{
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public class ObjectManager : ISimianExtension
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{
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Simian Server;
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InternalDictionary<uint, SimulationObject> SceneObjects = new InternalDictionary<uint, SimulationObject>();
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InternalDictionary<UUID, SimulationObject> SceneObjectsByID = new InternalDictionary<UUID,SimulationObject>();
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int CurrentLocalID = 0;
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public ObjectManager(Simian server)
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{
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Server = server;
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}
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public void Start()
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{
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Server.UDPServer.RegisterPacketCallback(PacketType.ObjectAdd, new UDPServer.PacketCallback(ObjectAddHandler));
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Server.UDPServer.RegisterPacketCallback(PacketType.ObjectSelect, new UDPServer.PacketCallback(ObjectSelectHandler));
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}
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public void Stop()
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{
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}
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void ObjectAddHandler(Packet packet, Agent agent)
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{
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ObjectAddPacket add = (ObjectAddPacket)packet;
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Vector3 position = Vector3.Zero;
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Vector3 scale = add.ObjectData.Scale;
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PCode pcode = (PCode)add.ObjectData.PCode;
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PrimFlags flags = (PrimFlags)add.ObjectData.AddFlags;
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bool bypassRaycast = (add.ObjectData.BypassRaycast == 1);
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bool rayEndIsIntersection = (add.ObjectData.RayEndIsIntersection == 1);
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#region Position Calculation
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if (rayEndIsIntersection)
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{
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// HACK: Blindly trust where the client tells us to place
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position = add.ObjectData.RayEnd;
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}
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else
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{
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if (add.ObjectData.RayTargetID != UUID.Zero)
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{
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SimulationObject obj;
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if (SceneObjectsByID.TryGetValue(add.ObjectData.RayTargetID, out obj))
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{
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// Test for a collision with the specified object
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position = ObjectCollisionTest(add.ObjectData.RayStart, add.ObjectData.RayEnd, obj);
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}
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}
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if (position == Vector3.Zero)
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{
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// Test for a collision with the entire scene
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position = FullSceneCollisionTest(add.ObjectData.RayStart, add.ObjectData.RayEnd);
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}
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}
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#endregion Position Calculation
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#region Foliage Handling
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// Set all foliage to phantom
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if (pcode == PCode.Grass || pcode == PCode.Tree || pcode == PCode.NewTree)
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{
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flags |= PrimFlags.Phantom;
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if (pcode != PCode.Grass)
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{
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// Resize based on the foliage type
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Tree tree = (Tree)add.ObjectData.State;
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switch (tree)
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{
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case Tree.Cypress1:
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case Tree.Cypress2:
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scale = new Vector3(4f, 4f, 10f);
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break;
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default:
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scale = new Vector3(4f, 4f, 4f);
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break;
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}
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}
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}
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#endregion Foliage Handling
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// Create an object
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Primitive prim = new Primitive();
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prim.Flags =
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PrimFlags.ObjectModify |
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PrimFlags.ObjectCopy |
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PrimFlags.ObjectAnyOwner |
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PrimFlags.ObjectMove |
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PrimFlags.ObjectTransfer |
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PrimFlags.ObjectOwnerModify;
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// TODO: Security check
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prim.GroupID = add.AgentData.GroupID;
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prim.ID = UUID.Random();
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prim.LocalID = (uint)Interlocked.Increment(ref CurrentLocalID);
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prim.MediaURL = String.Empty;
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prim.OwnerID = agent.AgentID;
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prim.Position = position;
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prim.PrimData.Material = (Material)add.ObjectData.Material;
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prim.PrimData.PathCurve = (PathCurve)add.ObjectData.PathCurve;
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prim.PrimData.ProfileCurve = (ProfileCurve)add.ObjectData.ProfileCurve;
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prim.PrimData.PathBegin = Primitive.UnpackBeginCut(add.ObjectData.PathBegin);
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prim.PrimData.PathEnd = Primitive.UnpackEndCut(add.ObjectData.PathEnd);
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prim.PrimData.PathScaleX = Primitive.UnpackPathScale(add.ObjectData.PathScaleX);
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prim.PrimData.PathScaleY = Primitive.UnpackPathScale(add.ObjectData.PathScaleY);
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prim.PrimData.PathShearX = Primitive.UnpackPathShear((sbyte)add.ObjectData.PathShearX);
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prim.PrimData.PathShearY = Primitive.UnpackPathShear((sbyte)add.ObjectData.PathShearY);
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prim.PrimData.PathTwist = Primitive.UnpackPathTwist(add.ObjectData.PathTwist);
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prim.PrimData.PathTwistBegin = Primitive.UnpackPathTwist(add.ObjectData.PathTwistBegin);
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prim.PrimData.PathRadiusOffset = Primitive.UnpackPathTwist(add.ObjectData.PathRadiusOffset);
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prim.PrimData.PathTaperX = Primitive.UnpackPathTaper(add.ObjectData.PathTaperX);
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prim.PrimData.PathTaperY = Primitive.UnpackPathTaper(add.ObjectData.PathTaperY);
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prim.PrimData.PathRevolutions = Primitive.UnpackPathRevolutions(add.ObjectData.PathRevolutions);
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prim.PrimData.PathSkew = Primitive.UnpackPathTwist(add.ObjectData.PathSkew);
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prim.PrimData.ProfileBegin = Primitive.UnpackBeginCut(add.ObjectData.ProfileBegin);
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prim.PrimData.ProfileEnd = Primitive.UnpackEndCut(add.ObjectData.ProfileEnd);
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prim.PrimData.ProfileHollow = Primitive.UnpackProfileHollow(add.ObjectData.ProfileHollow);
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prim.PrimData.PCode = pcode;
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prim.Properties.CreationDate = DateTime.Now;
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prim.Properties.CreatorID = agent.AgentID;
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prim.Properties.Description = String.Empty;
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prim.Properties.GroupID = add.AgentData.GroupID;
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prim.Properties.LastOwnerID = agent.AgentID;
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prim.Properties.Name = "New Object";
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prim.Properties.ObjectID = prim.ID;
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prim.Properties.OwnerID = prim.OwnerID;
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prim.Properties.Permissions = Permissions.FullPermissions;
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prim.Properties.SalePrice = 10;
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prim.RegionHandle = Server.RegionHandle;
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prim.Rotation = add.ObjectData.Rotation;
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prim.Scale = scale;
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prim.Textures = new Primitive.TextureEntry(Primitive.TextureEntry.WHITE_TEXTURE);
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prim.TextColor = Color4.Black;
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// Add this prim to the object database
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SimulationObject simObj = new SimulationObject(prim, Server);
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lock (SceneObjects.Dictionary)
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SceneObjects.Dictionary[prim.LocalID] = simObj;
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lock (SceneObjectsByID.Dictionary)
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SceneObjectsByID.Dictionary[prim.ID] = simObj;
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// Send an update out to the creator
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ObjectUpdatePacket updateToOwner = Movement.BuildFullUpdate(prim, String.Empty, prim.RegionHandle, 0,
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prim.Flags | PrimFlags.CreateSelected | PrimFlags.ObjectYouOwner);
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agent.SendPacket(updateToOwner);
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// Send an update out to everyone else
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ObjectUpdatePacket updateToOthers = Movement.BuildFullUpdate(prim, String.Empty, prim.RegionHandle, 0,
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prim.Flags);
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lock (Server.Agents)
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{
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foreach (Agent recipient in Server.Agents.Values)
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{
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if (recipient != agent)
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recipient.SendPacket(updateToOthers);
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}
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}
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}
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void ObjectSelectHandler(Packet packet, Agent agent)
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{
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ObjectSelectPacket select = (ObjectSelectPacket)packet;
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ObjectPropertiesPacket properties = new ObjectPropertiesPacket();
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properties.ObjectData = new ObjectPropertiesPacket.ObjectDataBlock[select.ObjectData.Length];
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for (int i = 0; i < select.ObjectData.Length; i++)
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{
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properties.ObjectData[i] = new ObjectPropertiesPacket.ObjectDataBlock();
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SimulationObject obj;
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if (SceneObjects.TryGetValue(select.ObjectData[i].ObjectLocalID, out obj))
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{
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properties.ObjectData[i].BaseMask = (uint)obj.Params.Properties.Permissions.BaseMask;
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properties.ObjectData[i].CreationDate = Utils.DateTimeToUnixTime(obj.Params.Properties.CreationDate);
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properties.ObjectData[i].CreatorID = obj.Params.Properties.CreatorID;
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properties.ObjectData[i].Description = Utils.StringToBytes(obj.Params.Properties.Description);
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properties.ObjectData[i].EveryoneMask = (uint)obj.Params.Properties.Permissions.EveryoneMask;
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properties.ObjectData[i].GroupID = obj.Params.Properties.GroupID;
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properties.ObjectData[i].GroupMask = (uint)obj.Params.Properties.Permissions.GroupMask;
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properties.ObjectData[i].LastOwnerID = obj.Params.Properties.LastOwnerID;
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properties.ObjectData[i].Name = Utils.StringToBytes(obj.Params.Properties.Name);
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properties.ObjectData[i].NextOwnerMask = (uint)obj.Params.Properties.Permissions.NextOwnerMask;
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properties.ObjectData[i].ObjectID = obj.Params.ID;
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properties.ObjectData[i].OwnerID = obj.Params.Properties.OwnerID;
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properties.ObjectData[i].OwnerMask = (uint)obj.Params.Properties.Permissions.OwnerMask;
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properties.ObjectData[i].OwnershipCost = obj.Params.Properties.OwnershipCost;
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properties.ObjectData[i].SalePrice = obj.Params.Properties.SalePrice;
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properties.ObjectData[i].SaleType = (byte)obj.Params.Properties.SaleType;
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properties.ObjectData[i].SitName = new byte[0];
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properties.ObjectData[i].TextureID = new byte[0];
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properties.ObjectData[i].TouchName = new byte[0];
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}
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}
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agent.SendPacket(properties);
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}
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Vector3 FullSceneCollisionTest(Vector3 rayStart, Vector3 rayEnd)
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{
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// HACK: For now
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Logger.DebugLog("Full scene collision test was requested, ignoring");
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return rayEnd;
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}
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Vector3 ObjectCollisionTest(Vector3 rayStart, Vector3 rayEnd, SimulationObject obj)
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{
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const float OO_THREE = 1f / 3f;
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Vector3 closestPoint = rayEnd;
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if (rayStart == rayEnd)
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{
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Logger.DebugLog("RayStart is equal to RayEnd, rezzing from given location");
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return closestPoint;
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}
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Vector3 direction = Vector3.Normalize(rayEnd - rayStart);
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Ray ray = new Ray(rayStart, direction);
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// Get the mesh that has been transformed into world-space
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SimpleMesh mesh = null;
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if (obj.Params.LocalID != 0)
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{
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SimulationObject parent;
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if (SceneObjects.TryGetValue(obj.Params.LocalID, out parent))
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mesh = obj.GetWorldMesh(DetailLevel.Low, parent);
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}
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else
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{
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mesh = obj.GetWorldMesh(DetailLevel.Low, null);
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}
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if (mesh != null)
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{
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// Iterate through all of the triangles in the mesh, doing a ray-triangle intersection
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float closestDistance = Single.MaxValue;
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for (int i = 0; i < mesh.Indices.Count; i += 3)
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{
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if (RayTriangleIntersection(rayStart, direction, mesh.Vertices[i].Position,
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mesh.Vertices[i + 1].Position, mesh.Vertices[i + 2].Position))
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{
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// Find the barycenter of this triangle
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Vector3 center =
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(mesh.Vertices[i].Position + mesh.Vertices[i + 1].Position + mesh.Vertices[i + 2].Position) * OO_THREE;
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Logger.DebugLog("Collision hit with triangle at " + center);
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if ((center - rayStart).Length() < closestDistance)
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closestPoint = center;
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}
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}
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}
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return closestPoint;
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}
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bool RayTriangleIntersection(Vector3 origin, Vector3 direction, Vector3 vert0, Vector3 vert1, Vector3 vert2)
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{
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// TODO:
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return false;
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}
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}
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}
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