fe2fc21830
kept around and passed to mapEnteringBody() so that in Whirled instead of having a portal map to a destination portal we can simply have the source portal contain the location in the destination scene at which the arriver is to be mapped. git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@321 c613c5cb-e716-0410-b11b-feb51c14d237