com.threerings.tudey.server.logic
Class ExpressionLogic

java.lang.Object
  com.threerings.util.ShallowObject
      com.threerings.tudey.server.logic.Logic
          com.threerings.tudey.server.logic.ExpressionLogic

Direct Known Subclasses:

ExpressionLogic.BinaryOperation, ExpressionLogic.Constant, ExpressionLogic.NumTargets, ExpressionLogic.Parsed, ExpressionLogic.Previous, ExpressionLogic.Reference, ExpressionLogic.UnaryOperation

public abstract class ExpressionLogic
extends Logic

Handles the server-side expression evaluation.

Nested Class Summary

static class	ExpressionLogic.Add Evaluates an add expression.
static class	ExpressionLogic.And Evaluates a logical AND expression.
static class	ExpressionLogic.BinaryOperation Base class for the binary operations.
static class	ExpressionLogic.Constant Evaluates a constant expression.
static class	ExpressionLogic.Decrement Evaluates a decrement expression.
static class	ExpressionLogic.Divide Evaluates an add expression.
static class	ExpressionLogic.Equals Evaluates an equal to expression.
static class	ExpressionLogic.Greater Evaluates a greater than expression.
static class	ExpressionLogic.GreaterEquals Evaluates a greater than or equal to expression.
static class	ExpressionLogic.Increment Evaluates an increment expression.
static class	ExpressionLogic.Less Evaluates a less than expression.
static class	ExpressionLogic.LessEquals Evaluates a less than or equal to expression.
static class	ExpressionLogic.Multiply Evaluates an add expression.
static class	ExpressionLogic.Negate Evaluates a negate expression.
static class	ExpressionLogic.Not Evaluates a logical NOT expression.
static class	ExpressionLogic.NumTargets Evaluates a num targets expression.
static class	ExpressionLogic.Or Evaluates a logical OR expression.
static class	ExpressionLogic.Parsed Evaluates a parsed expression.
static class	ExpressionLogic.Previous Evaluates a constant expression.
static class	ExpressionLogic.Reference Evaluates a reference expression.
static class	ExpressionLogic.Remainder Evaluates an add expression.
static class	ExpressionLogic.Subtract Evaluates an add expression.
static class	ExpressionLogic.UnaryOperation Base class for unary operations.
static class	ExpressionLogic.Xor Evaluates a logical XOR expression.

Nested classes/interfaces inherited from class com.threerings.tudey.server.logic.Logic

Logic.ShapeObserver

Constructor Summary

ExpressionLogic()

Method Summary

abstract Object	evaluate(Logic activator, Object previous) Evaluates the expression.
EntityKey	getEntityKey() Returns the entity key for this logic, if any.
float	getRotation() Returns the rotation of this logic for the purpose of spawning actors, etc.
Vector2f	getTranslation() Returns the translation of this logic for the purpose of spawning actors, etc.
void	init(TudeySceneManager scenemgr, ExpressionConfig config, Logic source) Initializes the logic.
boolean	isActive() Determines whether this logic object is still active in the scene.

Methods inherited from class com.threerings.tudey.server.logic.Logic

addShapeObserver, getModel, getPatrolPath, getSceneManager, getShape, getTags, getTransform, getTransform, getVariable, init, isDefaultEntrance, isVisible, removeShapeObserver, request, resolveTarget, setVariable, signal, transfer

Methods inherited from class com.threerings.util.ShallowObject

equals, hashCode

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpressionLogic

public ExpressionLogic()

Method Detail

init

public void init(TudeySceneManager scenemgr,
                 ExpressionConfig config,
                 Logic source)

Initializes the logic.

evaluate

public abstract Object evaluate(Logic activator,
                                Object previous)

Evaluates the expression.

isActive

public boolean isActive()

Description copied from class: Logic

Determines whether this logic object is still active in the scene.

Overrides:

isActive in class Logic

getEntityKey

public EntityKey getEntityKey()

Description copied from class: Logic

Returns the entity key for this logic, if any.

Overrides:

getEntityKey in class Logic

getTranslation

public Vector2f getTranslation()

Description copied from class: Logic

Returns the translation of this logic for the purpose of spawning actors, etc.

Overrides:

getTranslation in class Logic

getRotation

public float getRotation()

Description copied from class: Logic

Returns the rotation of this logic for the purpose of spawning actors, etc.

Overrides:

getRotation in class Logic