OpenSimBirds/Module/BirdsModule/FlockingModule.cs

541 lines
21 KiB
C#

/*
* Copyright (c) Contributors, https://github.com/jonc/osboids
* https://github.com/JakDaniels/OpenSimBirds
* 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 System.Timers;
using System.Net;
using System.IO;
using System.Text;
using System.Collections.Generic;
using OpenMetaverse;
using Nini.Config;
using System.Threading;
using log4net;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using Mono.Addins;
[assembly: Addin("OpenSimBirds", "0.2")]
[assembly: AddinDependency("OpenSim.Region.Framework", OpenSim.VersionInfo.VersionNumber)]
namespace Flocking
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "OpenSimBirds")]
public class FlockingModule : INonSharedRegionModule
{
#region Fields
private static readonly ILog m_log = LogManager.GetLogger (System.Reflection.MethodBase.GetCurrentMethod ().DeclaringType);
public string m_name = "OpenSimBirds";
private Scene m_scene;
private ICommandConsole m_console;
private FlockingModel m_model;
private FlockingView m_view;
private bool m_enabled = false;
private bool m_ready = false;
private uint m_frame = 0;
private int m_frameUpdateRate = 1;
private int m_chatChannel = 118;
private string m_birdPrim;
private int m_flockSize = 50;
private int m_maxFlockSize = 100;
private float m_maxSpeed;
private float m_maxForce;
private float m_neighbourDistance;
private float m_desiredSeparation;
private float m_tolerance;
private float m_borderSize;
private int m_maxHeight;
private Vector3 m_shoutPos = new Vector3(128f, 128f, 30f);
static object m_sync = new object();
public IConfigSource m_config;
private UUID m_owner;
#endregion
#region IRegionModuleBase implementation
public string Name { get { return m_name; } }
public Type ReplaceableInterface { get { return null; } }
public bool IsSharedModule { get { return false; } }
public void Initialise (IConfigSource source)
{
m_config = source;
}
public void AddRegion (Scene scene)
{
m_log.InfoFormat("[{0}]: Adding region {1} to this module", m_name, scene.RegionInfo.RegionName);
IConfig cnf = m_config.Configs[scene.RegionInfo.RegionName];
if (cnf == null)
{
m_log.InfoFormat("[{0}]: No region section [{1}] found in configuration. Birds in this region are set to Disabled", m_name, scene.RegionInfo.RegionName);
m_enabled = false;
return;
}
m_enabled = cnf.GetBoolean("BirdsEnabled", false);
if (m_enabled)
{
m_chatChannel = cnf.GetInt("BirdsChatChannel", 118);
m_birdPrim = cnf.GetString("BirdsPrim", "birdPrim");
m_flockSize = cnf.GetInt("BirdsFlockSize", 50);
m_maxFlockSize = cnf.GetInt("BirdsMaxFlockSize", 100);
m_maxSpeed = cnf.GetFloat("BirdsMaxSpeed", 3f);
m_maxForce = cnf.GetFloat("BirdsMaxForce", 0.25f);
m_neighbourDistance = cnf.GetFloat("BirdsNeighbourDistance", 25f);
m_desiredSeparation = cnf.GetFloat("BirdsDesiredSeparation", 20f);
m_tolerance = cnf.GetFloat("BirdsTolerance", 5f);
m_borderSize = cnf.GetFloat("BirdsRegionBorderSize", 5f);
m_maxHeight = cnf.GetInt("BirdsMaxHeight", 256);
m_frameUpdateRate = cnf.GetInt("BirdsUpdateEveryNFrames", 1);
m_log.InfoFormat("[{0}] Enabled on channel {1} with Flock Size {2}", m_name, m_chatChannel, m_flockSize);
m_scene = scene;
m_console = MainConsole.Instance;
//register commands with the scene
RegisterCommands();
//register handlers
m_scene.EventManager.OnFrame += FlockUpdate;
m_scene.EventManager.OnChatFromClient += SimChatSent; //listen for commands sent from the client
m_scene.EventManager.OnChatFromWorld += SimChatSent;
m_scene.EventManager.OnPrimsLoaded += PrimsLoaded;
// init module
m_model = new FlockingModel(m_name, m_maxSpeed, m_maxForce, m_neighbourDistance, m_desiredSeparation, m_tolerance, m_borderSize);
m_view = new FlockingView(m_name, m_scene);
m_view.BirdPrim = m_birdPrim;
m_frame = 0;
m_shoutPos = new Vector3(scene.RegionInfo.RegionSizeX / 2f, scene.RegionInfo.RegionSizeY / 2f, 30f);
FlockInitialise();
}
}
public void RegionLoaded (Scene scene)
{
if (m_enabled)
{
// Mark Module Ready for duty
m_ready = true;
}
}
public void PrimsLoaded(Scene scene)
{
m_scene = scene;
ClearPersisted();
}
public void RemoveRegion (Scene scene)
{
m_log.InfoFormat("[{0}]: Removing region {1} from this module", m_name, scene.RegionInfo.RegionName);
if (m_enabled) {
m_view.Clear();
m_ready = false;
scene.EventManager.OnFrame -= FlockUpdate;
scene.EventManager.OnChatFromClient -= SimChatSent;
scene.EventManager.OnChatFromWorld -= SimChatSent;
}
}
public void Close()
{
if (m_enabled)
{
m_ready = false;
m_scene.EventManager.OnFrame -= FlockUpdate;
m_scene.EventManager.OnChatFromClient -= SimChatSent;
m_scene.EventManager.OnChatFromWorld -= SimChatSent;
}
}
#endregion
#region Helpers
public void FlockInitialise()
{
//make a flow map for this scene
FlowMap flowMap = new FlowMap(m_scene, m_maxHeight, m_borderSize);
flowMap.Initialise();
// Generate initial flock values
m_model.Initialise(m_flockSize, flowMap);
// who is the owner for the flock in this region
m_owner = m_scene.RegionInfo.EstateSettings.EstateOwner;
m_view.PostInitialize(m_owner);
}
public void ClearPersisted()
{
//really trash all possible birds that may have been persisted at last shutdown
int i;
for (i = m_flockSize; i < m_maxFlockSize; i++)
{
foreach (EntityBase e in m_scene.GetEntities())
{
if (e.Name == (string)(m_name + i))
{
m_log.InfoFormat("[{0}]: Removing old persisted prim {1} from region {2}", m_name, m_name + i, m_scene.RegionInfo.RegionName);
m_scene.DeleteSceneObject((SceneObjectGroup)e, false);
break;
}
}
}
m_scene.ForceClientUpdate();
}
#endregion
#region EventHandlers
public void FlockUpdate ()
{
if (((m_frame++ % m_frameUpdateRate) != 0) || !m_ready || !m_enabled) {
return;
}
//m_log.InfoFormat("update my birds");
// work out where everyone has moved to
// and tell the scene to render the new positions
lock( m_sync ) {
List<Bird > birds = m_model.UpdateFlockPos ();
m_view.Render (birds);
}
}
protected void SimChatSent (Object x, OSChatMessage msg)
{
if (msg.Channel != m_chatChannel)
return; // not for us
// try and parse a valid cmd from this msg
string cmd = msg.Message; //.ToLower ();
//stick ui in the args so we know to respond in world
//bit of a hack - but lets us use CommandDelegate inWorld
string[] args = (cmd + " <ui>").Split (" ".ToCharArray ());
if (cmd.StartsWith ("stop")) {
HandleStopCmd (m_name, args);
} else if (cmd.StartsWith ("start")) {
HandleStartCmd (m_name, args);
} else if (cmd.StartsWith("enable")) {
HandleEnableCmd(m_name, args);
} else if (cmd.StartsWith("disable")) {
HandleDisableCmd(m_name, args);
} else if (cmd.StartsWith ("size")) {
HandleSetSizeCmd (m_name, args);
} else if (cmd.StartsWith ("stats")) {
HandleShowStatsCmd (m_name, args);
} else if (cmd.StartsWith ("prim")) {
HandleSetPrimCmd (m_name, args);
} else if (cmd.StartsWith("speed")) {
HandleSetMaxSpeedCmd(m_name, args);
} else if (cmd.StartsWith("force")) {
HandleSetMaxForceCmd(m_name, args);
} else if (cmd.StartsWith("distance")) {
HandleSetNeighbourDistanceCmd(m_name, args);
} else if (cmd.StartsWith("separation")) {
HandleSetDesiredSeparationCmd(m_name, args);
} else if (cmd.StartsWith("tolerance")) {
HandleSetToleranceCmd(m_name, args);
} else if (cmd.StartsWith ("framerate")) {
HandleSetFrameRateCmd (m_name, args);
}
}
#endregion
#region Command Handling
private void AddCommand (string cmd, string args, string help, CommandDelegate fn)
{
string argStr = "";
if (args.Trim ().Length > 0) {
argStr = " <" + args + "> ";
}
m_log.InfoFormat("[{0}]: Adding console command {1} - {2} to region {3}", m_name, "birds-" + cmd + argStr, help, m_scene.RegionInfo.RegionName);
//m_scene.AddCommand (this, "birds-" + cmd, "birds-" + cmd + argStr, help, fn);
m_console.Commands.AddCommand(m_name, false, "birds-" + cmd, "birds-" + cmd + argStr, help, fn);
}
private void RegisterCommands ()
{
AddCommand ("stop", "", "Stop Birds Flocking", HandleStopCmd);
AddCommand ("start", "", "Start Birds Flocking", HandleStartCmd);
AddCommand ("enable", "", "Enable Birds Flocking", HandleEnableCmd);
AddCommand ("disable", "", "Disable Birds Flocking", HandleDisableCmd);
AddCommand ("size", "num", "Adjust the size of the flock ", HandleSetSizeCmd);
AddCommand ("prim", "name", "Set the prim used for each bird to that passed in", HandleSetPrimCmd);
AddCommand ("speed", "num", "Set the maximum velocity each bird may achieve", HandleSetMaxSpeedCmd);
AddCommand("force", "num", "Set the maximum force each bird may accelerate", HandleSetMaxForceCmd);
AddCommand("distance", "num", "Set the maximum distance that other birds are to be considered in the same flock as us", HandleSetNeighbourDistanceCmd);
AddCommand("separation", "num", "How far away from other birds we would like to stay", HandleSetDesiredSeparationCmd);
AddCommand("tolerance", "num", "How close to the edges of things can we get without being worried", HandleSetToleranceCmd);
AddCommand("stats", "", "Show birds stats", HandleShowStatsCmd);
AddCommand("framerate", "num", "[debugging] only update birds every <num> frames", HandleSetFrameRateCmd);
}
private bool ShouldHandleCmd ()
{
if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene)) {
return false;
}
return true;
}
private bool IsInWorldCmd (ref string [] args)
{
if (args.Length > 0 && args [args.Length - 1].Equals ("<ui>")) {
m_log.InfoFormat("[{0}]: Inworld command detected in region {1}", m_name, m_scene.RegionInfo.RegionName);
return true;
}
return false;
}
private void ShowResponse (string response, bool inWorld)
{
if (inWorld) {
//IClientAPI ownerAPI = null;
//if (m_scene.TryGetClient (m_owner, out ownerAPI)) {
// ownerAPI.SendBlueBoxMessage (m_owner, "Birds", response);
//}
SendSimChat(response, m_chatChannel);
} else {
MainConsole.Instance.Output (response);
}
}
private void SendSimChat(string msg, int channel)
{
m_scene.SimChatBroadcast(Utils.StringToBytes(msg), ChatTypeEnum.Region, channel, m_shoutPos, m_name, UUID.Zero, false);
}
public void HandleDisableCmd(string module, string[] args)
{
if (m_ready && ShouldHandleCmd ()) {
m_log.InfoFormat("[{0}]: Bird flocking is disabled in region {1}.", m_name, m_scene.RegionInfo.RegionName);
m_enabled = false;
m_ready = false;
m_view.Clear();
}
}
public void HandleEnableCmd(string module, string[] args)
{
if (!m_ready && ShouldHandleCmd())
{
m_log.InfoFormat("[{0}]: Bird flocking is enabled in region {1}.", m_name, m_scene.RegionInfo.RegionName);
m_enabled = true;
m_ready = true;
}
}
public void HandleStopCmd (string module, string[] args)
{
if (m_enabled && m_ready && ShouldHandleCmd())
{
m_log.InfoFormat("[{0}]: Bird flocking is stopped in region {1}.", m_name, m_scene.RegionInfo.RegionName);
m_enabled = false;
}
}
public void HandleStartCmd(string module, string[] args)
{
if (!m_enabled && m_ready && ShouldHandleCmd())
{
m_log.InfoFormat("[{0}]: Bird flocking is started in region {1}.", m_name, m_scene.RegionInfo.RegionName);
m_enabled = true;
FlockUpdate();
}
}
void HandleSetFrameRateCmd (string module, string[] args)
{
if (ShouldHandleCmd ()) {
int frameRate = Convert.ToInt32( args[1] );
m_frameUpdateRate = frameRate;
m_log.InfoFormat("[{0}]: Bird updates set to every {1} frames in region {2}.", m_name, frameRate, m_scene.RegionInfo.RegionName);
}
}
public void HandleSetSizeCmd (string module, string[] args)
{
if (ShouldHandleCmd ()) {
lock( m_sync ) {
int newSize = Convert.ToInt32(args[1]);
if (newSize > m_maxFlockSize) newSize = m_maxFlockSize;
m_view.Clear();
m_model.Size = newSize;
m_log.InfoFormat("[{0}]: Bird flock size is set to {1} in region {2}.", m_name, newSize, m_scene.RegionInfo.RegionName);
}
}
}
public void HandleShowStatsCmd (string module, string[] args)
{
if (ShouldHandleCmd ()) {
bool inWorld = IsInWorldCmd (ref args);
int i;
int s=m_model.Size;
UUID uid;
if (inWorld)
{
m_log.InfoFormat("[{0}]: Sending bird statistics to region {1}.", m_name, m_scene.RegionInfo.RegionName);
}
ShowResponse("birds-started = " + (m_enabled ? "True" : "False"), inWorld);
ShowResponse("birds-enabled = " + (m_ready ? "True" : "False"), inWorld);
ShowResponse("birds-prim = " + m_view.BirdPrim, inWorld);
ShowResponse("birds-framerate = " + m_frameUpdateRate, inWorld);
ShowResponse("birds-maxsize = " + m_maxFlockSize, inWorld);
ShowResponse("birds-size = " + s, inWorld);
ShowResponse("birds-speed = " + m_model.MaxSpeed, inWorld);
ShowResponse("birds-force = " + m_model.MaxForce, inWorld);
ShowResponse("birds-distance = " + m_model.NeighbourDistance, inWorld);
ShowResponse("birds-separation = " + m_model.DesiredSeparation, inWorld);
ShowResponse("birds-tolerance = " + m_model.Tolerance, inWorld);
ShowResponse("birds-border = " + m_borderSize, inWorld);
for (i = 0; i < s; i++)
{
uid = UUID.Zero;
foreach (EntityBase e in m_scene.GetEntities())
{
if (e.Name == m_name + i)
{
SceneObjectGroup sog = (SceneObjectGroup)e;
SceneObjectPart rootPart = sog.RootPart;
uid = rootPart.UUID;
break;
}
}
ShowResponse("birds-prim" + i + " = " + m_name + i + " : " + uid.ToString(), inWorld);
}
}
}
public void HandleSetPrimCmd (string module, string[] args)
{
if (ShouldHandleCmd ()) {
string primName = args[1];
lock(m_sync) {
m_view.BirdPrim = primName;
m_log.InfoFormat("[{0}]: Bird prim is set to {1} in region {2}.", m_name, primName, m_scene.RegionInfo.RegionName);
m_view.Clear();
}
}
}
public void HandleSetMaxSpeedCmd(string module, string[] args)
{
if (ShouldHandleCmd())
{
float maxSpeed = (float)Convert.ToDecimal(args[1]);
lock (m_sync)
{
m_model.MaxSpeed = maxSpeed;
m_log.InfoFormat("[{0}]: Birds maximum speed is set to {1} in region {2}.", m_name, maxSpeed, m_scene.RegionInfo.RegionName);
}
}
}
public void HandleSetMaxForceCmd(string module, string[] args)
{
if (ShouldHandleCmd())
{
float maxForce = (float)Convert.ToDecimal(args[1]);
lock (m_sync)
{
m_model.MaxForce = maxForce;
m_log.InfoFormat("[{0}]: Birds maximum force is set to {1} in region {2}.", m_name, maxForce, m_scene.RegionInfo.RegionName);
}
}
}
public void HandleSetNeighbourDistanceCmd(string module, string[] args)
{
if (ShouldHandleCmd())
{
float neighbourDistance = (float)Convert.ToDecimal(args[1]);
lock (m_sync)
{
m_model.NeighbourDistance = neighbourDistance;
m_log.InfoFormat("[{0}]: Birds neighbour distance is set to {1} in region {2}.", m_name, neighbourDistance, m_scene.RegionInfo.RegionName);
}
}
}
public void HandleSetDesiredSeparationCmd(string module, string[] args)
{
if (ShouldHandleCmd())
{
float desiredSeparation = (float)Convert.ToDecimal(args[1]);
lock (m_sync)
{
m_model.DesiredSeparation = desiredSeparation;
m_log.InfoFormat("[{0}]: Birds desired separation is set to {1} in region {2}.", m_name, desiredSeparation, m_scene.RegionInfo.RegionName);
}
}
}
public void HandleSetToleranceCmd(string module, string[] args)
{
if (ShouldHandleCmd())
{
float tolerance = (float)Convert.ToDecimal(args[1]);
lock (m_sync)
{
m_model.Tolerance = tolerance;
m_log.InfoFormat("[{0}]: Birds tolerance is set to {1} in region {2}.", m_name, tolerance, m_scene.RegionInfo.RegionName);
}
}
}
#endregion
}
}