Event Editor: Switch condition commands

The Event Editor is progressing. I have now implemented support for a new command type. It is a switch condition, a selection of several conditions.
This is another step towards event editing, because I have to be able to read the events cleanly before I can write them back into the ROM.

As an example I show you the event of Seth in the cave at South Cape. This event first creates the statue that Will has to move with the help of his flute. For this the position of the player is queried, in the form of the described switch condition commands: