Script Classes for Adventure Games/Ego Class

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The Ego Class

Author: Jeff Stephenson

Date: 5 April 1988

 


The Ego Class

The Ego class is the class of Actors which can be controlled by a User.

Inherits from:||Actor Inherited by:||none
In file: actor.sc



Properties


prevDirKey

The key pressed by the User to start the Ego moving in its current direction. This property is needed to implement the "press the same key a second time to stop" control of an Ego, and set to -1 when a joystick or mouse starts the motion.


edgeHit

This property is set to the edge of the screen which the Ego has moved off of, or to 0 if the Ego is still on the screen. The edges are NORTH, SOUTH, EAST, and WEST.


Methods


init:

Does the standard Actor init:, then a (self setCycle:Walk).


doit:

This just passes the doit: message along to the Actor doit:, then sets edgeHit based on where the Ego is on the screen.


get: item [item ...]

Make the Ego the owner of items.


put: item [where]

Assuming that the Ego is the current owner of item, if where is specified, it is made the owner of item. Otherwise, the item is put in "limbo" (equivalent to a where of -1).


has: item

Return TRUE if the Ego is the current owner of item, otherwise FALSE.

 

Notes


 

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