com.threerings.tudey.client.util
Class SceneMap

java.lang.Object
  com.threerings.tudey.client.util.SceneMap

All Implemented Interfaces:

PlaceView, TudeySceneModel.Observer

public class SceneMap
extends Object
implements PlaceView, TudeySceneModel.Observer

Maintains a simple map of the scene than can be rendered to the UI.

Field Summary

protected SoftReference<ByteBuffer>	_buf Buffer to reuse.
protected Coord	_coord Reusable coordinate object.
protected TudeyContext	_ctx The application context.
protected List<SpaceElement>	_elements Holds elements during intersection testing.
protected byte[]	_floorColor The RGBA color to use for floors.
protected TextureUnit[]	_masked Reusable texture unit array for masked rendering.
protected Polygon	_quad Used to store tile shapes for intersecting testing.
protected Rectangle	_region Region object to reuse.
protected TudeySceneModel	_sceneModel The scene model.
protected Map<Coord,Texture2D>	_textures The map textures.
protected CoordIntMap	_types Stores the "type" of each location (empty, floor, wall, etc).
protected TextureUnit[]	_unmasked Reusable texture unit array for unmasked rendering.
protected TudeySceneView	_view The scene view.
protected byte[]	_wallColor The RGBA color to use for walls.
protected static byte[]	EMPTY_COLOR The color to use for empty locations.
protected static int	TEXTURE_MASK The mask for texture locations.
protected static int	TEXTURE_POT The size of the map textures as a power of two.
protected static int	TEXTURE_SIZE The size of the map textures.

Constructor Summary

SceneMap(TudeyContext ctx, TudeySceneView view)
Creates a new scene map.

Method Summary

protected void	addEntry(TudeySceneModel.Entry entry, boolean retexture) Adds the specified entry to the map.
protected void	build() Builds the map.
protected void	buildTexture(int tx, int ty) Builds and maps the texture at the specified coordinates.
void	didLeavePlace(PlaceObject plobj)
void	entryAdded(TudeySceneModel.Entry entry) Notes that an entry has been added to the scene.
void	entryRemoved(TudeySceneModel.Entry oentry) Notes that an entry has been removed from the scene.
void	entryUpdated(TudeySceneModel.Entry oentry, TudeySceneModel.Entry nentry) Notes that an entry has been updated within the scene.
protected ByteBuffer	getBuffer(int size) Retrieves/creates a byte buffer of the requested size.
protected static byte[]	getBytes(Color4f color) Converts the specified color into a byte array.
protected void	putColor(ByteBuffer buf, int type) Puts the color corresponding to the specified type into the supplied buffer.
protected void	removeEntry(TudeySceneModel.Entry entry, boolean retexture) Removes the specified entry from the map.
void	render(float sx, float sy, float swidth, float sheight, int tx, int ty, int twidth, int theight, float alpha, Image mask) Renders a section of the map.
void	setColors(Color4f floor, Color4f wall) Sets the colors to use to represent floors and walls.
protected void	update(int x, int y, boolean retexture) Updates the specified location.
protected void	updateQuad(int x, int y) Updates the coordinates of the quad to encompass the specified grid cell.
protected void	updateTexture(int x, int y, int type) Updates the texture at the specified coordinates.
void	willEnterPlace(PlaceObject plobj)

Methods inherited from class java.lang.Object

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

Field Detail

_ctx

protected TudeyContext _ctx

The application context.

_view

protected TudeySceneView _view

The scene view.

_sceneModel

protected TudeySceneModel _sceneModel

The scene model.

_types

protected CoordIntMap _types

Stores the "type" of each location (empty, floor, wall, etc).

_textures

protected Map<Coord,Texture2D> _textures

The map textures.

_floorColor

protected byte[] _floorColor

The RGBA color to use for floors.

_wallColor

protected byte[] _wallColor

The RGBA color to use for walls.

_unmasked

protected TextureUnit[] _unmasked

Reusable texture unit array for unmasked rendering.

_masked

protected TextureUnit[] _masked

Reusable texture unit array for masked rendering.

_coord

protected Coord _coord

Reusable coordinate object.

_region

protected Rectangle _region

Region object to reuse.

_quad

protected Polygon _quad

Used to store tile shapes for intersecting testing.

_buf

protected SoftReference<ByteBuffer> _buf

Buffer to reuse.

_elements

protected List<SpaceElement> _elements

Holds elements during intersection testing.

TEXTURE_POT

protected static final int TEXTURE_POT

The size of the map textures as a power of two.

See Also:

Constant Field Values

TEXTURE_SIZE

protected static final int TEXTURE_SIZE

The size of the map textures.

See Also:

Constant Field Values

TEXTURE_MASK

protected static final int TEXTURE_MASK

The mask for texture locations.

See Also:

Constant Field Values

EMPTY_COLOR

protected static final byte[] EMPTY_COLOR

The color to use for empty locations.

Constructor Detail

SceneMap

public SceneMap(TudeyContext ctx,
                TudeySceneView view)

Creates a new scene map.

Method Detail

setColors

public void setColors(Color4f floor,
                      Color4f wall)

Sets the colors to use to represent floors and walls.

render

public void render(float sx,
                   float sy,
                   float swidth,
                   float sheight,
                   int tx,
                   int ty,
                   int twidth,
                   int theight,
                   float alpha,
                   Image mask)

Renders a section of the map.

willEnterPlace

public void willEnterPlace(PlaceObject plobj)

Specified by:

willEnterPlace in interface PlaceView

didLeavePlace

public void didLeavePlace(PlaceObject plobj)

Specified by:

didLeavePlace in interface PlaceView

entryAdded

public void entryAdded(TudeySceneModel.Entry entry)

Description copied from interface: TudeySceneModel.Observer

Notes that an entry has been added to the scene.

Specified by:

entryAdded in interface TudeySceneModel.Observer

entryUpdated

public void entryUpdated(TudeySceneModel.Entry oentry,
                         TudeySceneModel.Entry nentry)

Description copied from interface: TudeySceneModel.Observer

Notes that an entry has been updated within the scene.

Specified by:

entryUpdated in interface TudeySceneModel.Observer

entryRemoved

public void entryRemoved(TudeySceneModel.Entry oentry)

Description copied from interface: TudeySceneModel.Observer

Notes that an entry has been removed from the scene.

Specified by:

entryRemoved in interface TudeySceneModel.Observer

build

protected void build()

Builds the map.

addEntry

protected void addEntry(TudeySceneModel.Entry entry,
                        boolean retexture)

Adds the specified entry to the map.

Parameters:

retexture - if true, update the texture as well.

removeEntry

protected void removeEntry(TudeySceneModel.Entry entry,
                           boolean retexture)

Removes the specified entry from the map.

Parameters:

retexture - if true, update the texture as well.

update

protected void update(int x,
                      int y,
                      boolean retexture)

Updates the specified location.

Parameters:

retexture - if true, update the texture as well.

updateQuad

protected void updateQuad(int x,
                          int y)

Updates the coordinates of the quad to encompass the specified grid cell.

updateTexture

protected void updateTexture(int x,
                             int y,
                             int type)

Updates the texture at the specified coordinates.

buildTexture

protected void buildTexture(int tx,
                            int ty)

Builds and maps the texture at the specified coordinates.

putColor

protected void putColor(ByteBuffer buf,
                        int type)

Puts the color corresponding to the specified type into the supplied buffer.

getBuffer

protected ByteBuffer getBuffer(int size)

Retrieves/creates a byte buffer of the requested size.

getBytes

protected static byte[] getBytes(Color4f color)

Converts the specified color into a byte array.