Over the course of the project, 
                we implemented several extensions to the core Virpet technology. 
                Some of the improvements were motivated by the requirements imposed 
                by our creative vision for Rift (or, indeed, for any non-trivial 
                piece of content). Others simply streamline the tools and make 
                them easier to distribute and use. Our technological improvements 
                are summarized below.
 
                Additional Puppeteerable Actions
                The following actions are now supported by the Stage, and available 
                  to puppeteers: 
                
                  - Scene changes (move to a new "set", reposition puppets, 
                    cut to new camera view, etc.)
 
                  - Trigger pre-recorded sound clips (sound effects, 
                    background music, dialogue)
 
                  - Camera motion (panning, zooming, dollying)
 
                  - Video-studio-style camera cuts (positioning multiple 
                    cameras in a scene and cutting between them)
 
  
                  - Puppets that can be particles (LithTech particle system that can be controlled to change properties like color, etc)
 
                 
                 
                Improved Performance Management
                The process of designing, managing and performing a Virpet 
                  performance has been significantly improved. 
                 
                  - Virpet Performance Description (VPD) -- lets the 
                    user specify a sequence of scenes, each with its own SSF file.
 
                  - Expanded SSF files -- new information stored, including: 
                    
                      - Locations of multiple cameras
 
                      - List of sound effects, music and dialogue used in the 
                        scene
 
                     
                   
                  - Recording 
                    
                      - Complex animations can be pre-recorded, edited and saved 
                        as MIDI files, which are later piped to the Stage (through 
                        the PuppetMaster) at performance time.
 
                      - triggering keyframe animations from 3DS Max, as always.
 
                      - Packet-level recording in The Stage allows for recording 
                        and playing back entire scenes (as well as "layered" recording 
                        of background animations).
 
                     
                   
                 
                 
                User-friendly Tools
                No more editing XML files by hand! We've improved the old PuppetMaster 
                  and added a slew of new GUI tools to easily generate all the 
                  necessary files for a Virpet performance. 
                
                  - PuppetMaster 2.0 
                    
                      - Can saving PuppetMaster Settings (PMS) files!
 
                      - Supports automatic generation of skeleton PMS files 
                        from SSF files
 
                     
                   
                  - VPM editor 
                    
                      - Takes a skeletal model as input
 
                      - Lets you specify which degrees of freedom are available 
                        in the model
 
                      - Save the result as a VPM file
 
                     
                   
                  - SSF editor 
                    
                      - Specify which VPM files are to use in the scene
 
                      - Specify initial positions of models and camera
 
                      - Save the results in an SSF file
 
                     
                   
                  - VPD editor 
                    
                      - Specify a sequence of scenes for a performance
 
                      - Save the result as a VPD file
 
                     
                   
                 
                 
                Easier Setup
                The process of setting up a computer to work with Virpets has 
                  improved by leaps and bounds! All obnoxious absolute paths have 
                  been removed from the source code, giving much greater freedom 
                  in choosing where to install the software. And for end-user 
                  computers, all Virpet software (including all the files used 
                  to create Rift) is packaged as a super-easy Windows installer! 
                  Go from zero to Virpet in ten minutes or less! 
                 
                The Wish List...
                Of course, there is plenty of room for further refinement. 
                  Some useful features and improvements we would recommend for 
                  future Virpet projects include:  
                
                  - Keyboard input for the PuppetMaster. The ability 
                    to trigger events from keyboard presses would be extremely 
                    useful. Most of the code is already in place, and only our 
                    limited knowledge of DirectInput and Windows GUI programming 
                    prevented us from getting it working in the end.
 
                  - Automatic mouth animation for speaking characters. 
                    It would be nice to have a puppet automatically open and close 
                    its mouth while a line of its dialogue is being played. It 
                    isn't nearly as expressive as manual puppeteering of the mouth, 
                    but in some cases the difference wouldn't be noticeable. And 
                    it's one less thing for the puppeteer to worry about.
 
                  - An easier way to manage multiple performances. Right 
                    now, all performance-related files live in the same directory. 
                    Figuring out which files belong to which performance isn't 
                    always easy, and specifying which performance to run could 
                    be more streamlined as well.
 
                  - Implement a more easily editable recording subsystem. 
                    The current recording system makes adding additional material 
                    to an existing scene very easy, but deleting material is well-nigh 
                    impossible. This could stand to be changed. Perhaps we should 
                    coordinate with the IAI team, and migrate to their DMX format?
 
                 
                
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