com.threerings.opengl.scene
Class SceneInfluenceSet

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractSet<T>
          com.threerings.util.AbstractIdentityHashSet<SceneInfluence>
              com.threerings.opengl.scene.SceneInfluenceSet

All Implemented Interfaces:

Iterable<SceneInfluence>, Collection<SceneInfluence>, Set<SceneInfluence>

public class SceneInfluenceSet
extends AbstractIdentityHashSet<SceneInfluence>

A set of scene influences.

Field Summary

protected static int	MAX_LIGHTS The maximum number of lights we allow in a set.
protected static Projection[]	NO_PROJECTIONS Reusable empty projections array.

Fields inherited from class com.threerings.util.AbstractIdentityHashSet

_map

Constructor Summary

SceneInfluenceSet()

Method Summary

protected boolean	canReuse(LightState state, ArrayList<Light> nlights) Determines whether we can reuse the specified state, given the provided new list of lights.
protected boolean	canReuse(Map<String,Object> definitions, Map<String,Object> ndefs) Determines whether we can reuse the specified definitions.
protected boolean	canReuse(Projection[] projections, ArrayList<Projection> nprojs) Determines whether we can reuse the specified projections.
Map<String,Object>	getDefinitions(Map<String,Object> definitions) Returns the set of definitions for this influence set.
FogState	getFogState(Box bounds, FogState state) Returns the fog state for this influence set.
LightState	getLightState(Box bounds, LightState state) Returns the light state for this influence set.
Projection[]	getProjections(Projection[] projections) Returns the set of projections for this influence set.

Methods inherited from class com.threerings.util.AbstractIdentityHashSet

add, clear, contains, iterator, remove, size

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, isEmpty, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Set

addAll, containsAll, isEmpty, retainAll, toArray, toArray

Field Detail

MAX_LIGHTS

protected static final int MAX_LIGHTS

The maximum number of lights we allow in a set.

See Also:

Constant Field Values

NO_PROJECTIONS

protected static final Projection[] NO_PROJECTIONS

Reusable empty projections array.

Constructor Detail

SceneInfluenceSet

public SceneInfluenceSet()

Method Detail

getFogState

public FogState getFogState(Box bounds,
                            FogState state)

Returns the fog state for this influence set.

Parameters:

bounds - the bounds used to resolve conflicts.

state - an existing state to reuse, if possible.

getLightState

public LightState getLightState(Box bounds,
                                LightState state)

Returns the light state for this influence set.

Parameters:

bounds - the bounds used to resolve conflicts.

state - an existing state to reuse, if possible.

getProjections

public Projection[] getProjections(Projection[] projections)

Returns the set of projections for this influence set.

Parameters:

projections - an existing array to reuse, if possible.

getDefinitions

public Map<String,Object> getDefinitions(Map<String,Object> definitions)

Returns the set of definitions for this influence set.

Parameters:

definitions - an existing map to reuse, if possible.

canReuse

protected boolean canReuse(LightState state,
                           ArrayList<Light> nlights)

Determines whether we can reuse the specified state, given the provided new list of lights.

canReuse

protected boolean canReuse(Projection[] projections,
                           ArrayList<Projection> nprojs)

Determines whether we can reuse the specified projections.

canReuse

protected boolean canReuse(Map<String,Object> definitions,
                           Map<String,Object> ndefs)

Determines whether we can reuse the specified definitions.