ModRex

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==Overview==
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__NOTOC__
ModRex is a joint effort between RealXtend and OpenSim devs to make OpenSim aware of RealXtend specific functionality. It will not only enable the best of both worlds, but also speeds up the development of a solid standard for virtual worlds.
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{{Quicklinks}}
[[image:modrex.jpg|250px|thumb|right|ModRex with mesh support, running on Linux]]
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''This is still pre-alpha code, so some features may not work.''
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==Procedure==
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{{archive}}
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'''Purpose:''' The information on this page is out of date. However, it may still hold value to some people (examples are chat logs, version history, or OpenSimulator 0.6x specific info) or needs to be preserved for other reasons. It should be marked as archived information to prevent confusion.
  
===Linux===
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<br />
mkdir /opt/opensim opt/opensim/simulator /opt/opensim/authentication /opt/opensim/avatarstorage /opt/opensim/builds
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cd /opt/opensim/builds/8218
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svn co http://opensimulator.org/svn/opensim/trunk .
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sh runprebuild.sh
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nant
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mkdir modrex modrex/build
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cp -R bin/*.dll modrex/build
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cd modrex
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svn checkout http://forge.opensimulator.org/svn/modrex/trunk .
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cd ModularRex
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vi prebuild.xml
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* Change each ../../../bin to ../../build, and each ../../bin to ../build, save and exit
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mono ../../bin/Prebuild.exe /target monodev
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* Open /opt/opensim/builds/8218/OpenSim.sln with MonoDevelop
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* Add existing project > modrex/ModularRex/RexFramework/ModularRex.RexFramework.mdp
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* Add existing project > modrex/ModularRex/NHibernate/ModularRex.NHibernate.mdp
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* Add existing project > modrex/ModularRex/RexOdePlugin/ModularRex.RexOdePlugin.mdp
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* Add existing project > modrex/ModularRex/ModularRex.mdp
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* Change the runtime version for these projects to mono 3.5
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* Remove the broken OpenSim reference in the ModularRex project, and add the OpenSim project as reference
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 +
== Overview ==
 +
[[Image:modrex.jpg|250px|thumb|left|ModRex with mesh support, running on Linux]]
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ModRex is a joint effort between RealXtend and OpenSimulator developers to make it
 +
possible to join the RealXtend viewer to the OpenSimulator codebase. The RealXtend
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viewer employs the open source [http://www.ogre3d.org OGRE 3D engine]
 +
and differs from the Linden Lab viewer (LLviewer) in several ways. The most distinct
 +
difference is in the new rendering potential offered by OGRE. When using
 +
RealXtend as a viewer for OpenSim, one obtains real-time shadows, improved
 +
lighting simulation, and more importantly, the [http://www.youtube.com/watch?v=yEXqiv2_kbE&feature=channel_page OGRE mesh]. The mesh is hierarchical
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(multiple meshes and sub-meshes) and can include a skeleton for defining avatar motion and dynamics.
  
* Download and build the authentication service
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ModRex is important to the OpenSimulator community mainly because, like the base
svn co https://realxtendserver.svn.sourceforge.net/svnroot/realxtendserver/authentication/tags/0.4 /opt/opensim/authentication
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opensim code base itself, the RealXtend viewer is open source and breaks away
cd /opt/opensim/authentication
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from some of the key contraints imposed by the LLviewer, such as inability to
mono bin/Prebuild.exe /target nant
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create meshes, shadows, realistic avatars, and advanced lighting effects. ModRex
nant
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while not part of the viewer, is the glue that connects the viewer to the opensim
* Create a mysql database "authentication"
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trunk code.
cd bin
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mono Authentication.exe
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* Setup authentication
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MySql_SqlHandler.dll (or SQLite_SqlHandler.dll. MySql_SqlHandler.dll gives not implemented messages but seems to work ok)
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<enter>(AuthenticationEngine=AuthenticationEngine.dll)
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<enter>(logging enabled=False)
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<enter>(def. region x 1000)
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<enter>(def. region y 1000)
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<enter>(avatarstorageurl 172.16.1.65:10000)
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<enter>(default gridurl 172.16.1.65:9000)
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<enter>(default dns)
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<enter>(dbserver 127.0.0.1)
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<enter>(dbname authentication)
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<enter>(dbuser root)
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*******(dbpw for root)
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172.16.1.65 (httpsettings LAN-IP)
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''The authentication daemon should run by now''
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* Download and build the avatarstorage service
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and a to illustrate some of the mesh and lighting effects in the viewer:
svn co https://realxtendserver.svn.sourceforge.net/svnroot/realxtendserver/avatarstorage/tags/0.4 /opt/opensim/avatarstorage
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cd /opt/opensim/avatarstorage
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bin/Prebuild.exe /target nant
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nant
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* Create a database "avatarstorage"
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cd bin
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mono AvatarStorage.exe
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* Setup avatarstorage
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MySql_SqlHandler.dll
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<enter>(AuthenticationEngine.dll)
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<enter>(Inventory True)
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<enter>(PersonalInventoryService.dll)
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PersonalInventory.SQLITE.dll
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<enter>(logging_enabled False)
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<enter>(dbserver 127.0.0.1)
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avatarstorage (dbname)
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<enter>(dbuser root)
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********(dbpw root)
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172.16.1.65 (httpsettings LAN-IP)
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<enter>(http port 10000)
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<enter>(ssl False)
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''The avatarstorage daemon should run by now''
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To use ModRex, you need the following:
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* [http://realxtend.org/download/ RealXtend viewer (CodeName: Tundra)]
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* Alternatively you can also use the new [http://wiki.realxtend.org/index.php/Getting_Started_with_Naali Naali viewer]
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* [http://forge.opensimulator.org/gf/project/modrex/ ModRex]
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* [OpenSim-SVN (rev. 8814+)
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* [http://www.mono-project.com/Main_Page Mono] (Linux)
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* [http://nant.sourceforge.net/ NAnt] (Linux)
  
* Setup OpenSim in standalone mode(Grid is not working yet); add these lines to OpenSim.ini:
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== Links ==
<source lang="bash">
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* [http://forge.opensimulator.org/gf/project/modrex/ Source Code]
[realXtend]
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* [http://wiki.realxtend.org/index.php/Features_supported_currently ModRex Features/Status]
enabled=true
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* [http://www.realxtend.org Main RealXtend]
</source>
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* [http://wiki.realxtend.org/ RealXtend community wiki]
* You can use this [[rex serverscript]] to manage and start the services(uses screen)
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* Create a user in the authentication console
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create user
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the 'Account' part is the first part in your rex-username(account@myauthenticationdaemonuri)
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Once the three services are running, an initial user was made, fire up the realXtend client with wine and login.
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==Known Quirks==
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== Setup ==
* Shift-copy a mesh leaves a prim behind
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* Meshes are persistant only after a clean shutdown
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First launch realXtend authentication and avatar storage servers. You can download them from [http://sourceforge.net/projects/realxtendserver/files/ SourceForge project page]. Documentation for these servers can be found from [http://docs.realxtend.org/ realXtend user documentation wiki].
* Mesh collision doesn't work yet
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After successfully launching authentication and avatar storage server, build ModreX according to instructions in [http://wiki.realxtend.org/index.php/Building_ModreX realXtend wiki]. To configure ModreX follow the instructions in [http://wiki.realxtend.org/index.php/Configuring_ModreX this wiki page].
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If any bugs occur, please report them to [http://forge.opensimulator.org/gf/project/modrex/tracker/ ModreX bug tracker]. Note that to run realXtend 0.4 series viewer on Linux, you need to follow [[RealXtend Viewer Linux|these instructions]].
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== Known Issues ==
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* Some parts of the LLViewer interface do not yet exist in the RealXtend viewer. This is related to ModRex not allowing the viewer to set or retrieve certain data.
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* Inter-mesh collisions not yet implemented, although avatar w/ primitive collisions work
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* Shift-copied Objects may loose their texture after a sim restart
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== Recent Fixes ==
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* Multiregion Support with RexQueue
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* Multiple standalones on one machine supported
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* NHibernate-db supports mysql, sqlite and mssql2005. Meshes are persistent
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* Mesh collisions with primitives work
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* Python scripting works for the most part (some functions are not working yet)
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* Shift-copy keeps mesh as primdata
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* OpenSimulator library useable now
 
* Avatar is stored, but appearance changes only after viewer restart
 
* Avatar is stored, but appearance changes only after viewer restart
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== See Also ==
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* [[Rex_serverscript]] - Example Linux SysVinit startup scripts for ModRex
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* [[Rex_mysql]] - Example MySQL table definitions for ModRex
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* [[Simxtd]] - BASH script for building and install OpenSimulator with ModRex and RealXtend support

Latest revision as of 08:19, 18 September 2020

Purpose: The information on this page is out of date. However, it may still hold value to some people (examples are chat logs, version history, or OpenSimulator 0.6x specific info) or needs to be preserved for other reasons. It should be marked as archived information to prevent confusion.


[edit] Overview

ModRex with mesh support, running on Linux

ModRex is a joint effort between RealXtend and OpenSimulator developers to make it possible to join the RealXtend viewer to the OpenSimulator codebase. The RealXtend viewer employs the open source OGRE 3D engine and differs from the Linden Lab viewer (LLviewer) in several ways. The most distinct difference is in the new rendering potential offered by OGRE. When using RealXtend as a viewer for OpenSim, one obtains real-time shadows, improved lighting simulation, and more importantly, the OGRE mesh. The mesh is hierarchical (multiple meshes and sub-meshes) and can include a skeleton for defining avatar motion and dynamics.

ModRex is important to the OpenSimulator community mainly because, like the base opensim code base itself, the RealXtend viewer is open source and breaks away from some of the key contraints imposed by the LLviewer, such as inability to create meshes, shadows, realistic avatars, and advanced lighting effects. ModRex while not part of the viewer, is the glue that connects the viewer to the opensim trunk code.

and a to illustrate some of the mesh and lighting effects in the viewer:

To use ModRex, you need the following:

[edit] Links

[edit] Setup

First launch realXtend authentication and avatar storage servers. You can download them from SourceForge project page. Documentation for these servers can be found from realXtend user documentation wiki.

After successfully launching authentication and avatar storage server, build ModreX according to instructions in realXtend wiki. To configure ModreX follow the instructions in this wiki page.

If any bugs occur, please report them to ModreX bug tracker. Note that to run realXtend 0.4 series viewer on Linux, you need to follow these instructions.

[edit] Known Issues

  • Some parts of the LLViewer interface do not yet exist in the RealXtend viewer. This is related to ModRex not allowing the viewer to set or retrieve certain data.
  • Inter-mesh collisions not yet implemented, although avatar w/ primitive collisions work
  • Shift-copied Objects may loose their texture after a sim restart

[edit] Recent Fixes

  • Multiregion Support with RexQueue
  • Multiple standalones on one machine supported
  • NHibernate-db supports mysql, sqlite and mssql2005. Meshes are persistent
  • Mesh collisions with primitives work
  • Python scripting works for the most part (some functions are not working yet)
  • Shift-copy keeps mesh as primdata
  • OpenSimulator library useable now
  • Avatar is stored, but appearance changes only after viewer restart

[edit] See Also

  • Rex_serverscript - Example Linux SysVinit startup scripts for ModRex
  • Rex_mysql - Example MySQL table definitions for ModRex
  • Simxtd - BASH script for building and install OpenSimulator with ModRex and RealXtend support
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