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This is a simple interactive, multi-user, 3D, online application, based on KataJS and Sirikata. Easy Deployment =============== Probably the easiest way to get the application up and running for testing is to install using the EC2 scripts. Note that these are really just a scripted version of the full instructions below, so they will also work on a regular Ubuntu installation and could be easily adapted to other distributions and platforms. However, many services run as root (god for monitoring the space server and the web server for running on port 80), so an isolated environment is encouraged. (NOTE: The ec2-build.sh script installed default-jre, which currently hangs on some micro instances on EC2. If you want to host on a micro instance, you might need to run the install portion with an EBS image on a larger instance, then move it back to a micro instance.) To build and deploy, use the ec2 scripts in contrib as follows: 1. Setup a security group that leaves TCP connections for SSH (22), Web (80) and Sirikata (7777 by default). 2. Boot up a base image, e.g. 099720109477/ebs/ubuntu-images/ubuntu-maverick-10.10-i386-server-20101007.1 using this security group. 3. Copy the ec2 scripts onto the server: local> scp -i me.pem contrib/ec2-build.sh contrib/ec2-run.sh ec2-x-y-z-w.compute.amazonaws.com 4. SSH into the server local> ssh -i me.pem email@example.com 5. Run the build script. This installs system dependencies (will ask for sudo password), checkout out both source trees, compile the space server and grab some extra dependencies for KataJS/Kataspace. remote> ./ec2-build.sh Note that unless you update any source code, you should only need to perform this step once. 6. Customize your deployment. Mainly this will be in scripts/deployment.js for a simple deployment. By default, SpaceURL will automatically be set to the same server using the default port for Sirikata of 7777, e.g. if you access http://ec2-x-y-z-w.compute.amazonaws.com/path/to/index.html it will be converted to SpaceURL = "sirikata://ec2-x-y-z-w.compute.amazonaws.com:7777 In a customized deployment you will need to adjust this (e.g. to use a different port). Also feel free to modify other settings in this file, for example to add your own avatars. 6. Run the servers. remote> ./ec2-run.sh This starts the God, which in turn starts the Sirikata space server. It also starts lighttpd on port 80, serving files directly from the Kataspace directory. God is started last to facilitate debugging of the config script. Run with --debug to run god interactively so you can see the output and catch any errors that may need to be fixed. 7. Connect to the server. Visit http://ec2-x-y-z-w.compute.amazonaws.com/ to start using the space. Full Instructions ================= The following gives the full instructions for compiling the space server, running it, and running the application, based on KataJS, from on a web server. Server ------ To interact with other users we connect to a Sirikata space server. See http://sirikata.com for details. If you want to set up a server to connect to, download the code for Sirikata and build the space server. Using the minimal set of dependencies is sufficient because only the server component is used -- KataJS provides the client-side code for connecting to a Sirikata space. Once you have the code, simply run the space server (sirikata/build/cmake/space, append _d for the debug version). The appropriate ports are hard-coded into the application to work with the defaults. If you need to use different ports, or want to point to a server other than localhost, make the appropriate changes in index.html. To "protect" against crashes, you can use monitoring software to ensure the server is restored in case of a crash. The EC2 scripts use God (http://god.rubyforge.org/), and the Sirikata code has a sample God script (under tools/space/space.god.rb). Client ------ The code in this repository, along with KataJS, included as an submodule, is a full client for Sirikata-based worlds. Because we rely on KataJS, which in turn relies on other libraries, there's quite a bit of initialization. This should all be wrapped up nicely in the Makefile, so simply typing make in this directory should make sure all the libraries are up to date and built. This application must then be served by a web server. A convenient way to do that is to run ./externals/katajs/contrib/lighttpd.py from this directory, which uses lighttp to serve this directory from localhost:8888. To view the application, enter http://localhost:8888/ into your browser. Acknowledgements ================ Avatar modeling, texture and animation by: Stein Lotveit - firstname.lastname@example.org Creative Commons Attribution License: http://creativecommons.org/licenses/by/3.0/