com.threerings.tudey.data
Class TudeySceneModel

java.lang.Object
  com.threerings.io.SimpleStreamableObject
      com.threerings.whirled.data.SceneModel
          com.threerings.tudey.data.TudeySceneModel

All Implemented Interfaces:

Exportable, Streamable, ActorAdvancer.Environment, Cloneable

public class TudeySceneModel
extends SceneModel
implements ActorAdvancer.Environment, Exportable

Contains a representation of a Tudey scene.

Nested Class Summary

static class	TudeySceneModel.AreaEntry An area entry.
static class	TudeySceneModel.Entry An entry in the scene.
protected static class	TudeySceneModel.FloorPlaceableFilter Used to select sprites according to their floor flags.
static class	TudeySceneModel.GlobalEntry A global entry.
static class	TudeySceneModel.IdEntry An entry identified by an integer id.
static interface	TudeySceneModel.LayerObserver An extended Observer interface for observers interested in layers.
static interface	TudeySceneModel.Observer An interface for objects interested in changes to the scene model.
static class	TudeySceneModel.Paint Contains information on a painted location.
protected static class	TudeySceneModel.PaintConfigMapping Represents a type of paint identified by an integer id.
static class	TudeySceneModel.PathEntry A path entry.
static class	TudeySceneModel.PlaceableElement A placeable shape element.
static class	TudeySceneModel.PlaceableEntry A placeable entry.
protected static class	TudeySceneModel.TileConfigMapping Represents a type of tile identified by an integer id.
static class	TudeySceneModel.TileEntry A tile entry.
static class	TudeySceneModel.Vertex Represents a single vertex in a path or area.

Nested classes/interfaces inherited from interface com.threerings.io.Streamable

Streamable.Closure

Field Summary

protected ConfigManager	_cfgmgr The scene configuration manager.
protected CoordIntMap	_collisionFlags Collision flags for each location.
protected SoftReference<byte[]>	_data The cached exported representation of the scene model.
protected boolean	_dirty Flags the scene model as having changed since the dirty bit was last cleared.
protected HashMap<Object,SpaceElement>	_elements Maps entry keys to space elements.
protected HashMap<Object,TudeySceneModel.Entry>	_entries Scene entries mapped by key.
protected boolean	_exportLayers Do we want to export layers when we serialize?
protected TudeySceneModel.FloorPlaceableFilter	_floorPlaceableFilter Used to fine the floor.
protected ArrayList<SpaceElement>	_intersecting (Re)used to store intersecting elements.
protected int	_lastEntryId The last entry id assigned.
protected Map<Integer,Integer>	_layerMap Maps entry keys to their layer.
protected List<String>	_layerNamesView An unmodifiable list that represents the names of each layer.
protected List<String>	_layers The names of each layer.
protected String	_notes The notes regarding this scene.
protected ObserverList<TudeySceneModel.Observer>	_observers The scene model observers.
protected CoordIntMap	_paint Encoded paint data.
protected Map<ConfigReference<? extends PaintableConfig>,Integer>	_paintConfigIds Paint config ids mapped by reference.
protected ArrayList<TudeySceneModel.PaintConfigMapping>	_paintConfigs Paint config references by id.
protected Vector2f	_penetration Stores penetration vector during queries.
protected TudeySceneConfig	_placeConfig The place configuration.
protected Point	_point Used to find the floor.
protected Polygon	_quad Used to store tile shapes for intersecting testing.
protected Rect	_rect Bounds object to reuse.
protected WeakHashMap<ConfigReference,ConfigReference>	_references The set of entry references (used to ensure that entries with equal references use the same instance.
protected Rectangle	_region Region object to reuse.
protected HashSpace	_space The space containing the (non-tile) entry shapes.
protected Map<String,List<TudeySceneModel.Entry>>	_tagged Maps tags to lists of tagged entries.
protected Map<ConfigReference<TileConfig>,Integer>	_tileConfigIds Tile config ids mapped by reference.
protected ArrayList<TudeySceneModel.TileConfigMapping>	_tileConfigs Tile config references by id.
protected CoordIntMap	_tileCoords Maps locations to the encoded coordinates of any tiles intersecting them.
protected CoordIntMap	_tiles The encoded tiles.

Fields inherited from class com.threerings.whirled.data.SceneModel

auxModels, name, sceneId, version

Constructor Summary

TudeySceneModel()
Creates a new, empty scene model.

Method Summary

protected TudeySceneModel.Entry	add(TudeySceneModel.Entry entry) Performs the actual addition of the specified entry.
protected void	addElement(TudeySceneModel.Entry entry) Adds the entry's space element to the hash space and maps it by its tags.
boolean	addEntry(TudeySceneModel.Entry entry) Adds an entry to the scene, assigning it a unique id in the process if it is an TudeySceneModel.IdEntry.
boolean	addEntry(TudeySceneModel.Entry entry, boolean assignId) Adds an entry to the scene.
int	addLayer(String n) Deprecated.
int	addLayer(String name, int position) Add a new layer to the model.
void	addObserver(TudeySceneModel.Observer observer) Adds an observer for scene changes.
protected int	addPaintConfig(ConfigReference<? extends PaintableConfig> paintable) Adds a reference to the specified paint config and returns the index assigned to the config.
protected int	addTileConfig(ConfigReference<TileConfig> tile) Adds a reference to the specified tile config and returns the index assigned to the config.
protected void	canonicalizeReference(TudeySceneModel.Entry entry) Ensures that the entry's reference, if non-null, points to one of the references in the _references set (that is, that all entries whose references are equal point to the same reference instance).
void	clearPaint() Clears all paint from the scene.
TudeySceneModel	clone()
boolean	collides(Actor actor, Shape shape) Checks the specified actor for a collision with the environment.
boolean	collides(int mask, Shape shape) Checks the specified mask for a collision with the environment.
boolean	containsEntry(Object key) Determines whether the scene contains an entry with the supplied key.
protected void	createShadow(TudeySceneModel.TileEntry entry) Creates the shadow data for the specified tile and maps it by its tags.
protected TudeySceneModel.Paint	decodePaint(int value) Decodes the specified paint value.
protected TudeySceneModel.TileEntry	decodeTileEntry(Coord coord, int value) Decodes the specified tile entry.
protected TudeySceneModel.TileEntry	decodeTileEntry(int x, int y, int value) Decodes the specified tile entry.
protected void	deleteShadow(TudeySceneModel.TileEntry entry) Deletes the shadow data for the supplied tile and removes its tag mappings.
CoordIntMap	getCollisionFlags() Returns a reference to the map containing the tile collision flags.
protected static int	getConfigIndex(int value) Extracts the tile configuration index from the supplied encoded tile.
ConfigManager	getConfigManager() Returns a reference to the scene's configuration manager.
byte[]	getData() Returns the cached exported binary representation of the model.
Map<Object,SpaceElement>	getElements() Returns a reference to the map from entry key to space elements.
protected static int	getElevation(int value) Extracts the tile elevation from the supplied encoded tile.
Collection<TudeySceneModel.Entry>	getEntries() Returns a reference to the collection of entries.
void	getEntries(Shape shape, Collection<TudeySceneModel.Entry> results) Retrieves all entries intersecting the supplied shape.
void	getEntries(Shape shape, com.google.common.base.Predicate<? super TudeySceneModel.Entry> pred, Collection<TudeySceneModel.Entry> results) Retrieves all entries intersecting the supplied shape and matching the predicate.
TudeySceneModel.Entry	getEntry(Object key) Looks up the entry with the supplied key.
float	getFloorZ(float x, float y, float defvalue) Returns the z coordinate of the floor at the provided coordinates, or the provided default if no floor is found.
boolean	getIntersection(Ray2D ray, float length, int mask, Vector2f intersection) Finds the intersection with the ray.
int	getLayer(Object key) Get the layer of the entry with the specified key.
List<String>	getLayers() Get the layer names.
boolean	getNearestPoint(Shape shape, int mask, Vector2f origin, Vector2f nearPoint) Finds the nearest point to the origin if the shape collides with the environment.
String	getNotes() Returns the scene notes.
TudeySceneModel.Paint	getPaint(int x, int y) Returns the paint at the specified coordinates, if any.
boolean	getPenetration(Actor actor, Shape shape, Vector2f result) Checks whether the actor is colliding with anything and, if it is, populates the provided object with the penetration vector (the minimum translation required to cancel the penetration).
TudeySceneConfig	getPlaceConfig() Returns a reference to the model's place config.
void	getPreloads(PreloadableSet preloads) Adds the resources to preload for this scene model to the supplied set.
void	getResources(Set<String> paths) Adds the resources referenced by this scene model to the supplied set.
TudeySceneModel	getSceneModel() Returns a reference to the scene model.
Space	getSpace() Returns a reference to the space containing the (non-tile) entry elements.
List<TudeySceneModel.Entry>	getTaggedEntries(String tag) Returns the list of all entries bearing the specified tag.
TudeySceneModel.Entry	getTaggedEntry(String tag) Returns the first entry bearing the specified tag, or null for none.
int	getTileElevation(int x, int y) Returns the tile elevation at the specified coordinates, or Integer.MIN_VALUE if there is no tile there.
void	getTileEntries(Rectangle region, Collection<TudeySceneModel.TileEntry> results) Retrieves all of the tile entries intersecting the supplied region.
protected TudeySceneModel.TileEntry	getTileEntry(int pair) Retrieves the tile entry identified by the provided encoded coordinate pair.
TudeySceneModel.TileEntry	getTileEntry(int x, int y) Returns the tile entry intersecting the specified coordinates, if any.
protected int	getTileValue(int pair) Returns the encoded tile value corresponding to the encoded coordinate pair given, logging a warning and returning -1 if no value exists at the coordinates.
void	init(ConfigManager cfgmgr) Initializes the model.
void	invalidate() Invalidates any cached data in the model, forcing it to be recreated (and sets the dirty flag).
boolean	isDirty() Returns the value of the dirty flag.
boolean	isLayerEmpty(int layer) Return true if the specified layer not 0 and is empty.
protected void	mapEntry(TudeySceneModel.Entry entry) Maps the specified entry according to its tags.
void	readFields(Importer in) Custom field read method.
void	readObject(ObjectInputStream in) Custom read method for streaming.
protected TudeySceneModel.Entry	remove(Object key) Performs the actual removal of the identified entry.
protected void	removeElement(TudeySceneModel.Entry entry) Removes the entry's space element from the hash space and removes its tag mappings.
TudeySceneModel.Entry	removeEntry(Object key) Removes an entry from the scene.
void	removeLayer(int layer) Remove the specified layer, moving anything present to the base layer.
void	removeObserver(TudeySceneModel.Observer observer) Removes a scene observer.
protected void	removePaintConfig(int idx) Removes a reference for the indexed paint config.
protected void	removeTileConfig(int idx) Removes a reference for the indexed tile config.
void	renameLayer(int layer, String name) Rename one of the layers.
void	setDirty(boolean dirty) Sets the value of the dirty flag.
void	setLayer(Object key, int layer) Set the layer of the entry with the specified key.
void	setName(String name) Sets the scene's name and invalidates.
void	setNotes(String notes) Sets the scene notes.
TudeySceneModel.Paint	setPaint(int x, int y, TudeySceneModel.Paint paint) Sets the paint at the specified coordinates.
void	setPlaceConfig(TudeySceneConfig config) Sets the place config for the model.
protected void	unmapEntry(TudeySceneModel.Entry entry) Unmaps the specified entry according to its tags.
protected TudeySceneModel.Entry	update(TudeySceneModel.Entry nentry) Performs the actual update of the specified entry.
TudeySceneModel.Entry	updateEntry(TudeySceneModel.Entry nentry) Updates an entry within the scene.
protected int	validateLayer(int layer) Validate that a layer value is valid.
boolean	validateReferences(String where, PrintStream out) Validates the references in the scene.
void	writeFields(Exporter out) Custom field write method.
void	writeObject(ObjectOutputStream out) Custom write method for streaming.

Methods inherited from class com.threerings.whirled.data.SceneModel

addAuxModel, blankSceneModel, populateBlankSceneModel

Methods inherited from class com.threerings.io.SimpleStreamableObject

toString, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_notes

protected String _notes

The notes regarding this scene.

_placeConfig

protected TudeySceneConfig _placeConfig

The place configuration.

_cfgmgr

protected ConfigManager _cfgmgr

The scene configuration manager.

_tiles

@DeepOmit
protected CoordIntMap _tiles

The encoded tiles.

_tileConfigs

@DeepOmit
protected ArrayList<TudeySceneModel.TileConfigMapping> _tileConfigs

Tile config references by id.

_tileConfigIds

@DeepOmit
protected transient Map<ConfigReference<TileConfig>,Integer> _tileConfigIds

Tile config ids mapped by reference.

_entries

@DeepOmit
protected transient HashMap<Object,TudeySceneModel.Entry> _entries

Scene entries mapped by key.

_paint

@DeepOmit
protected CoordIntMap _paint

Encoded paint data.

_paintConfigs

@DeepOmit
protected ArrayList<TudeySceneModel.PaintConfigMapping> _paintConfigs

Paint config references by id.

_exportLayers

@DeepOmit
protected transient boolean _exportLayers

Do we want to export layers when we serialize?

_layers

@DeepOmit
protected transient List<String> _layers

The names of each layer. Layer n is at index n-1.

_layerNamesView

@DeepOmit
protected transient List<String> _layerNamesView

An unmodifiable list that represents the names of each layer.

_layerMap

@DeepOmit
protected transient Map<Integer,Integer> _layerMap

Maps entry keys to their layer. Entries are on layer 0 by default, as are all tiles.

_paintConfigIds

@DeepOmit
protected transient Map<ConfigReference<? extends PaintableConfig>,Integer> _paintConfigIds

Paint config ids mapped by reference.

_tagged

@DeepOmit
protected transient Map<String,List<TudeySceneModel.Entry>> _tagged

Maps tags to lists of tagged entries.

_lastEntryId

protected transient int _lastEntryId

The last entry id assigned.

_references

@DeepOmit
protected transient WeakHashMap<ConfigReference,ConfigReference> _references

The set of entry references (used to ensure that entries with equal references use the same instance.

_tileCoords

@DeepOmit
protected transient CoordIntMap _tileCoords

Maps locations to the encoded coordinates of any tiles intersecting them.

_collisionFlags

@DeepOmit
protected transient CoordIntMap _collisionFlags

Collision flags for each location.

_space

@DeepOmit
protected transient HashSpace _space

The space containing the (non-tile) entry shapes.

_elements

@DeepOmit
protected transient HashMap<Object,SpaceElement> _elements

Maps entry keys to space elements.

_observers

@DeepOmit
protected transient ObserverList<TudeySceneModel.Observer> _observers

The scene model observers.

_data

@DeepOmit
protected transient SoftReference<byte[]> _data

The cached exported representation of the scene model.

_dirty

@DeepOmit
protected transient boolean _dirty

Flags the scene model as having changed since the dirty bit was last cleared.

_region

@DeepOmit
protected transient Rectangle _region

Region object to reuse.

_rect

@DeepOmit
protected transient Rect _rect

Bounds object to reuse.

_quad

@DeepOmit
protected transient Polygon _quad

Used to store tile shapes for intersecting testing.

_intersecting

@DeepOmit
protected transient ArrayList<SpaceElement> _intersecting

(Re)used to store intersecting elements.

_penetration

@DeepOmit
protected transient Vector2f _penetration

Stores penetration vector during queries.

_point

@DeepOmit
protected transient Point _point

Used to find the floor.

_floorPlaceableFilter

@DeepOmit
protected transient TudeySceneModel.FloorPlaceableFilter _floorPlaceableFilter

Used to fine the floor.

Constructor Detail

TudeySceneModel

public TudeySceneModel()

Creates a new, empty scene model.

Method Detail

init

public void init(ConfigManager cfgmgr)

Initializes the model.

getConfigManager

public ConfigManager getConfigManager()

Returns a reference to the scene's configuration manager.

addObserver

public void addObserver(TudeySceneModel.Observer observer)

Adds an observer for scene changes.

removeObserver

public void removeObserver(TudeySceneModel.Observer observer)

Removes a scene observer.

setName

public void setName(String name)

Sets the scene's name and invalidates.

setNotes

public void setNotes(String notes)

Sets the scene notes.

getNotes

public String getNotes()

Returns the scene notes.

setPlaceConfig

public void setPlaceConfig(TudeySceneConfig config)

Sets the place config for the model.

getPlaceConfig

public TudeySceneConfig getPlaceConfig()

Returns a reference to the model's place config.

getCollisionFlags

public CoordIntMap getCollisionFlags()

Returns a reference to the map containing the tile collision flags.

getSpace

public Space getSpace()

Returns a reference to the space containing the (non-tile) entry elements.

getElements

public Map<Object,SpaceElement> getElements()

Returns a reference to the map from entry key to space elements.

addEntry

public boolean addEntry(TudeySceneModel.Entry entry)

Adds an entry to the scene, assigning it a unique id in the process if it is an TudeySceneModel.IdEntry.

Returns:

true if the entry was successfully added, false if there was already an entry with the same key (in which case a warning will be logged).

addEntry

public boolean addEntry(TudeySceneModel.Entry entry,
                        boolean assignId)

Adds an entry to the scene.

Parameters:

assignId - if true and the entry is an TudeySceneModel.IdEntry, assign a unique id to the entry.

Returns:

true if the entry was successfully added, false if there was already an entry with the same id (in which case a warning will be logged).

updateEntry

public TudeySceneModel.Entry updateEntry(TudeySceneModel.Entry nentry)

Updates an entry within the scene.

Returns:

a reference to the entry that was replaced, or null for none (in which case a warning will be logged).

removeEntry

public TudeySceneModel.Entry removeEntry(Object key)

Removes an entry from the scene.

Returns:

a reference to the entry that was removed, or null for none (in which case a warning will be logged).

containsEntry

public boolean containsEntry(Object key)

Determines whether the scene contains an entry with the supplied key.

getEntry

public TudeySceneModel.Entry getEntry(Object key)

Looks up the entry with the supplied key.

Returns:

a reference to the identified entry, or null if not found.

getTaggedEntry

public TudeySceneModel.Entry getTaggedEntry(String tag)

Returns the first entry bearing the specified tag, or null for none.

getTaggedEntries

public List<TudeySceneModel.Entry> getTaggedEntries(String tag)

Returns the list of all entries bearing the specified tag.

getEntries

public Collection<TudeySceneModel.Entry> getEntries()

Returns a reference to the collection of entries.

getEntries

public void getEntries(Shape shape,
                       Collection<TudeySceneModel.Entry> results)

Retrieves all entries intersecting the supplied shape.

getEntries

public void getEntries(Shape shape,
                       com.google.common.base.Predicate<? super TudeySceneModel.Entry> pred,
                       Collection<TudeySceneModel.Entry> results)

Retrieves all entries intersecting the supplied shape and matching the predicate.

getTileEntries

public void getTileEntries(Rectangle region,
                           Collection<TudeySceneModel.TileEntry> results)

Retrieves all of the tile entries intersecting the supplied region.

getTileEntry

public TudeySceneModel.TileEntry getTileEntry(int x,
                                              int y)

Returns the tile entry intersecting the specified coordinates, if any.

getTileElevation

public int getTileElevation(int x,
                            int y)

Returns the tile elevation at the specified coordinates, or Integer.MIN_VALUE if there is no tile there.

getFloorZ

public float getFloorZ(float x,
                       float y,
                       float defvalue)

Returns the z coordinate of the floor at the provided coordinates, or the provided default if no floor is found.

Parameters:

mask - the floor mask to use for the query.

addLayer

public int addLayer(String name,
                    int position)

Add a new layer to the model.

addLayer

@Deprecated
public int addLayer(String n)

Deprecated.

renameLayer

public void renameLayer(int layer,
                        String name)

Rename one of the layers.

getLayers

public List<String> getLayers()

Get the layer names. Layer 0, always present, is named ""

isLayerEmpty

public boolean isLayerEmpty(int layer)

Return true if the specified layer not 0 and is empty.

removeLayer

public void removeLayer(int layer)

Remove the specified layer, moving anything present to the base layer.

getLayer

public int getLayer(Object key)

Get the layer of the entry with the specified key.

setLayer

public void setLayer(Object key,
                     int layer)

Set the layer of the entry with the specified key.

setPaint

public TudeySceneModel.Paint setPaint(int x,
                                      int y,
                                      TudeySceneModel.Paint paint)

Sets the paint at the specified coordinates.

Returns:

the previous paint at the coordinates, if any.

getPaint

public TudeySceneModel.Paint getPaint(int x,
                                      int y)

Returns the paint at the specified coordinates, if any.

clearPaint

public void clearPaint()

Clears all paint from the scene.

getPreloads

public void getPreloads(PreloadableSet preloads)

Adds the resources to preload for this scene model to the supplied set.

getResources

public void getResources(Set<String> paths)

Adds the resources referenced by this scene model to the supplied set.

validateReferences

public boolean validateReferences(String where,
                                  PrintStream out)

Validates the references in the scene.

writeFields

public void writeFields(Exporter out)
                 throws IOException

Custom field write method.

Throws:

IOException

readFields

public void readFields(Importer in)
                throws IOException

Custom field read method.

Throws:

IOException

writeObject

public void writeObject(ObjectOutputStream out)
                 throws IOException

Custom write method for streaming.

Throws:

IOException

readObject

public void readObject(ObjectInputStream in)
                throws IOException

Custom read method for streaming.

Throws:

IOException

getData

public byte[] getData()

Returns the cached exported binary representation of the model.

invalidate

public void invalidate()

Invalidates any cached data in the model, forcing it to be recreated (and sets the dirty flag).

setDirty

public void setDirty(boolean dirty)

Sets the value of the dirty flag.

isDirty

public boolean isDirty()

Returns the value of the dirty flag.

collides

public boolean collides(Actor actor,
                        Shape shape)

Checks the specified actor for a collision with the environment.

Specified by:

collides in interface ActorAdvancer.Environment

collides

public boolean collides(int mask,
                        Shape shape)

Checks the specified mask for a collision with the environment.

getNearestPoint

public boolean getNearestPoint(Shape shape,
                               int mask,
                               Vector2f origin,
                               Vector2f nearPoint)

Finds the nearest point to the origin if the shape collides with the environment.

getIntersection

public boolean getIntersection(Ray2D ray,
                               float length,
                               int mask,
                               Vector2f intersection)

Finds the intersection with the ray.

getSceneModel

public TudeySceneModel getSceneModel()

Description copied from interface: ActorAdvancer.Environment

Returns a reference to the scene model.

Specified by:

getSceneModel in interface ActorAdvancer.Environment

getPenetration

public boolean getPenetration(Actor actor,
                              Shape shape,
                              Vector2f result)

Description copied from interface: ActorAdvancer.Environment

Checks whether the actor is colliding with anything and, if it is, populates the provided object with the penetration vector (the minimum translation required to cancel the penetration).

Specified by:

getPenetration in interface ActorAdvancer.Environment

Returns:

true if a collision was detected (in which case the result vector will be populated), false otherwise.

clone

public TudeySceneModel clone()

Overrides:

clone in class SceneModel

add

protected TudeySceneModel.Entry add(TudeySceneModel.Entry entry)

Performs the actual addition of the specified entry.

Returns:

the replaced entry.

update

protected TudeySceneModel.Entry update(TudeySceneModel.Entry nentry)

Performs the actual update of the specified entry.

Returns:

the replaced entry.

remove

protected TudeySceneModel.Entry remove(Object key)

Performs the actual removal of the identified entry.

Returns:

the removed entry.

addElement

protected void addElement(TudeySceneModel.Entry entry)

Adds the entry's space element to the hash space and maps it by its tags.

removeElement

protected void removeElement(TudeySceneModel.Entry entry)

Removes the entry's space element from the hash space and removes its tag mappings.

createShadow

protected void createShadow(TudeySceneModel.TileEntry entry)

Creates the shadow data for the specified tile and maps it by its tags.

deleteShadow

protected void deleteShadow(TudeySceneModel.TileEntry entry)

Deletes the shadow data for the supplied tile and removes its tag mappings.

mapEntry

protected void mapEntry(TudeySceneModel.Entry entry)

Maps the specified entry according to its tags.

unmapEntry

protected void unmapEntry(TudeySceneModel.Entry entry)

Unmaps the specified entry according to its tags.

getTileEntry

protected TudeySceneModel.TileEntry getTileEntry(int pair)

Retrieves the tile entry identified by the provided encoded coordinate pair.

getTileValue

protected int getTileValue(int pair)

Returns the encoded tile value corresponding to the encoded coordinate pair given, logging a warning and returning -1 if no value exists at the coordinates.

canonicalizeReference

protected void canonicalizeReference(TudeySceneModel.Entry entry)

Ensures that the entry's reference, if non-null, points to one of the references in the _references set (that is, that all entries whose references are equal point to the same reference instance).

addTileConfig

protected int addTileConfig(ConfigReference<TileConfig> tile)

Adds a reference to the specified tile config and returns the index assigned to the config.

removeTileConfig

protected void removeTileConfig(int idx)

Removes a reference for the indexed tile config.

decodeTileEntry

protected TudeySceneModel.TileEntry decodeTileEntry(Coord coord,
                                                    int value)

Decodes the specified tile entry.

decodeTileEntry

protected TudeySceneModel.TileEntry decodeTileEntry(int x,
                                                    int y,
                                                    int value)

Decodes the specified tile entry.

addPaintConfig

protected int addPaintConfig(ConfigReference<? extends PaintableConfig> paintable)

Adds a reference to the specified paint config and returns the index assigned to the config.

removePaintConfig

protected void removePaintConfig(int idx)

Removes a reference for the indexed paint config.

decodePaint

protected TudeySceneModel.Paint decodePaint(int value)

Decodes the specified paint value.

validateLayer

protected int validateLayer(int layer)

Validate that a layer value is valid.

getConfigIndex

protected static int getConfigIndex(int value)

Extracts the tile configuration index from the supplied encoded tile.

getElevation

protected static int getElevation(int value)

Extracts the tile elevation from the supplied encoded tile.