[ playerstage-Patches-3024137 ] Player Camera Interface for Stage3 camera

Patches item #3024137, was opened at 2010-07-02 01:40
Message generated for change (Tracker Item Submitted) made by nobody
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Category: Stage
Group: Release-3.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Richard Vaughan (rtv)
Summary: Player Camera Interface for Stage3 camera

Initial Comment:
The patch adds a plugin player interface for the Stage 3 camera. It utilizes the Stage Plugins patch I previously submitted, and is an example of the flexibility and potential usefulness of the plugin interface for stage. Plugins do not need to be compiled at the same time as Stage, they can be compiled independently (with appropriate linking) of the distribution and stored in a completely separate location, thus any plugins written to conform to this plugin interface can be maintained separately from Stage, making upgrades from one release of Stage to the next much more trivial (no need to merge these application specific implementations of models/interfaces). 
This patch only implements the Camera interface because the camera model is already available within Stage, however a full blown plugin would also implement the model as well (this could easily be done based on the existing camera model in Stage, the only addition required is to add a RegisterPlugin() function to the model source file which subsequently performs a Register() call to add itself to the list of models available (and add plugin statement to the world file to load the plugins .so file at run time).

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