The first steps toward supporting shadows and cropping in the character

compositing system. These changes will not affect systems (like Yohoho) that
don't use said features.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3729 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/cast/CompositedActionFrames.java

@@ -46,6 +46,10 @@ public class CompositedActionFrames
 
         public ActionFrames frames;
 
+        public ActionFrames shadowFrames;
+
+        public ActionFrames cropFrames;
+
         public String toString () {
             return ccomp + ":" + frames;
         }