protected boolean onMoveHotPoint(MoveHotPointEvent event) {
NullCheck.notNull(event, "event");
final int x = event.getNewHotPointX();
final int y = event.getNewHotPointY();
final int newY;
if (y >= getLineCount()) {
if (event.precisely()) return false;
newY = getLineCount() - 1;
} else newY = y;
if (getItemIndexOnLine(newY) >= 0) {
// Line with item, not empty
final Object item = model.getItem(getItemIndexOnLine(newY));
final int leftBound = appearance.getObservableLeftBound(item);
final int rightBound = appearance.getObservableRightBound(item);
if (event.precisely() && (x < leftBound || x > rightBound)) return false;
hotPointY = newY;
hotPointX = x;
if (hotPointX < leftBound) hotPointX = leftBound;
if (hotPointX > rightBound) hotPointX = rightBound;
environment.onAreaNewHotPoint(this);
return true;
}
// On empty line
hotPointY = newY;
hotPointX = 0;
environment.onAreaNewHotPoint(this);
return true;
}
protected boolean onChar(KeyboardEvent event) {
if (noContent()) return true;
final int count = model.getItemCount();
final char c = event.getChar();
final String beginning;
if (selected() != null) {
if (hotPointX >= appearance.getObservableRightBound(selected())) return false;
final String name = getObservableSubstr(selected());
final int pos =
Math.min(hotPointX - appearance.getObservableLeftBound(selected()), name.length());
if (pos < 0) return false;
beginning = name.substring(0, pos);
} else beginning = "";
Log.debug("list", "beginning:" + beginning);
final String mustBegin = beginning + c;
for (int i = 0; i < count; ++i) {
Log.debug("list", "checking:" + i);
final String name = getObservableSubstr(model.getItem(i));
Log.debug("list", "name:" + name);
if (!name.startsWith(mustBegin)) continue;
hotPointY = getLineIndexByItemIndex(i);
Log.debug("list", "hotPointY:" + hotPointY);
++hotPointX;
appearance.announceItem(model.getItem(hotPointY), NONE_APPEARANCE_FLAGS);
environment.onAreaNewHotPoint(this);
return true;
}
return false;
}
protected boolean onBeginListeningQuery(BeginListeningQuery query) {
NullCheck.notNull(query, "query");
final int index = selectedIndex();
if (index < 0) return false;
final int count = model.getItemCount();
if (index >= count) return false;
final Object current = model.getItem(index);
final String text =
appearance
.getScreenAppearance(current, NONE_APPEARANCE_FLAGS)
.substring(hotPointX, appearance.getObservableRightBound(current));
// Log.debug("listen", appearance.getScreenAppearance(current, NONE_APPEARANCE_FLAGS));
// Log.debug("listen", "" + hotPointX);
if (text.isEmpty() && index + 1 >= count) return false;
if (index + 1 < count) {
final Object next = model.getItem(index + 1);
query.answer(
new BeginListeningQuery.Answer(
text, new ListeningInfo(index + 1, appearance.getObservableLeftBound(next))));
} else
query.answer(
new BeginListeningQuery.Answer(
text, new ListeningInfo(index, appearance.getObservableRightBound(current))));
return true;
}
private boolean onAltLeft(KeyboardEvent event) {
if (noContent()) return true;
final Object item = selected();
if (item == null) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
final String line = appearance.getScreenAppearance(item, NONE_APPEARANCE_FLAGS);
NullCheck.notNull(line, "line");
if (line.isEmpty()) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
final int leftBound = appearance.getObservableLeftBound(item);
final int rightBound = appearance.getObservableRightBound(item);
if (hotPointX <= leftBound) {
environment.hint(Hints.BEGIN_OF_LINE);
return true;
}
final String subline = line.substring(leftBound, rightBound);
final WordIterator it = new WordIterator(subline, hotPointX - leftBound);
if (!it.stepBackward()) {
environment.hint(Hints.BEGIN_OF_LINE);
return true;
}
hotPointX = it.pos() + leftBound;
environment.say(it.announce());
environment.onAreaNewHotPoint(this);
return true;
}
// In this method, the objects for the scene are generated and added to
// the SimpleUniverse.
public void createSceneGraph(SimpleUniverse su) {
// *** The root of the graph containing the scene (with a cube and a sphere). ***
BranchGroup theScene = new BranchGroup();
// Generate an Appearance.
Color3f ambientColourShaded = new Color3f(0.0f, 0.4f, 0.4f);
Color3f emissiveColourShaded = new Color3f(0.0f, 0.0f, 0.0f);
Color3f diffuseColourShaded = new Color3f(0.0f, 0.7f, 0.7f);
Color3f specularColourShaded = new Color3f(0.0f, 0.5f, 0.5f);
float shininessShaded = 20.0f;
Appearance shadedApp = new Appearance();
shadedApp.setMaterial(
new Material(
ambientColourShaded,
emissiveColourShaded,
diffuseColourShaded,
specularColourShaded,
shininessShaded));
float r = 0.3f; // The radius of the sphere.
float boxHL = 0.7f * r; // Half the vertex length of the cube.
float shift = 3.0f * r; // Distance between cube and sphere.
// *** The sphere and its transformation group ***
Sphere s = new Sphere(r, Sphere.GENERATE_NORMALS, 100, shadedApp);
Transform3D tfSphere = new Transform3D();
tfSphere.setTranslation(new Vector3f(-0.95f + r, 0.0f, 0.0f));
TransformGroup tgSphere = new TransformGroup(tfSphere);
tgSphere.addChild(s);
theScene.addChild(tgSphere);
// *** The cube and its transformation group ***
Box b2 = new Box(boxHL, boxHL, boxHL, shadedApp);
Transform3D tfBox2 = new Transform3D();
tfBox2.setTranslation(new Vector3f(-0.95f + r + shift, 0.0f, 0.0f));
Transform3D rotation = new Transform3D();
rotation.rotY(Math.PI / 4);
Transform3D rotationX = new Transform3D();
rotationX.rotX(Math.PI / 6);
rotation.mul(rotationX);
tfBox2.mul(rotation);
TransformGroup tgBox2 = new TransformGroup(tfBox2);
tgBox2.addChild(b2);
theScene.addChild(tgBox2);
// Generate a white background.
Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), Double.MAX_VALUE);
bg.setApplicationBounds(bounds);
theScene.addChild(bg);
theScene.compile();
// Add the scene to the universe.
su.addBranchGraph(theScene);
}
/**
* Simple algorithm to add or remove an edge from the selection Ideas: 1. Use one shape per quad
* => easy, but can become very fast too big to fit in memory. => pb: flicker when adding /
* removing because the scene is detached 2. Use only one shape, modify geometry TODO: pre-create
* an empty shape to avoid initial flicker
*
* @param on
* @param p
* @param u
* @param v
* @param groupIdx2
*/
protected void toggleSelectedEdge(boolean on, SelectionEdge se) {
if (on) {
// add the given edge to the list
if (edgeSelection.contains(se)) return; // already in
edgeSelection.add(se);
} else {
// remove the given edge from the list
if (!edgeSelection.contains(se)) return; // not present
edgeSelection.remove(se);
if (edgeSelection.size() == 0) {
LineArray la = (LineArray) edgeSelectionShape.getGeometry();
la.setValidVertexCount(0);
return;
}
}
// Use in-memory arrays instead of NIO because edgeSelection should not
// be too big
// => faster
LineArray la =
new LineArray(
edgeSelection.size() * 2,
GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.BY_REFERENCE);
double[] coords = new double[edgeSelection.size() * 2 * 3];
float[] colors = new float[edgeSelection.size() * 2 * 3];
for (int i = 0; i < coords.length; i += 6) {
SelectionEdge edge = edgeSelection.get(i / 6);
edge.updateCoords(grid, coords, i);
edge.updateColors(colors, i);
}
la.setCoordRefDouble(coords);
la.setColorRefFloat(colors);
la.setCapability(GeometryArray.ALLOW_COUNT_WRITE);
// update edgeSelection Shape with the new edgeSelection list
if (edgeSelectionShape == null) {
Appearance a = new Appearance();
// PolygonAttributes pa = new
// PolygonAttributes(PolygonAttributes.POLYGON_LINE,
// PolygonAttributes.CULL_NONE, 0);
// pa.setPolygonOffset(1); // above edges
// pa.setPolygonOffsetFactor(1);
LineAttributes lat = new LineAttributes();
lat.setLineWidth(2.0f);
lat.setLineAntialiasingEnable(true);
a.setLineAttributes(lat);
// a.setPolygonAttributes(pa);
edgeSelectionShape = new Shape3D(la, a);
edgeSelectionShape.setUserData(this);
edgeSelectionShape.setPickable(false);
edgeSelectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
edgeSelectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
BranchGroup bg = new BranchGroup();
bg.addChild(edgeSelectionShape);
addChild(bg);
} else edgeSelectionShape.setGeometry(la);
}
// In this method, the objects for the scene are generated and added to
// the SimpleUniverse.
public void createSceneGraph(SimpleUniverse su) {
// Create the root of the branch group for the scene.
BranchGroup theScene = new BranchGroup();
// Generate an Appearance for the sphere.
Color3f ambientColourSphere = new Color3f(0.2f, 0.2f, 0.2f);
Color3f emissiveColourSphere = new Color3f(0.0f, 0.0f, 0.0f);
Color3f diffuseColourSphere = new Color3f(0.6f, 0.6f, 0.6f);
Color3f specularColourSphere = new Color3f(0.5f, 0.5f, 0.5f);
float shininessSphere = 20.0f;
Appearance sphereApp = new Appearance();
sphereApp.setMaterial(
new Material(
ambientColourSphere,
emissiveColourSphere,
diffuseColourSphere,
specularColourSphere,
shininessSphere));
// n spheres with radius r will be shown.
int n = 5;
float r = 0.15f;
float shift = 2 * r + 0.05f; // The distance between the centres of the spheres.
// Arrays for the sphere, their transformations and their transformation groups
// transformation groups (for positioning).
Sphere[] spheres = new Sphere[n];
TransformGroup[] tg = new TransformGroup[n];
Transform3D[] tf = new Transform3D[n];
// Generate the sphere, their transformations and their
// transformation groups. Add everyting to the scene.
for (int i = 0; i < n; i++) {
spheres[i] = new Sphere(r, Sphere.GENERATE_NORMALS, 4 + i * i * i, sphereApp);
tf[i] = new Transform3D();
tf[i].setTranslation(new Vector3f(-0.95f + r + shift * i, 0.0f, 0.0f));
tg[i] = new TransformGroup(tf[i]);
tg[i].addChild(spheres[i]);
theScene.addChild(tg[i]);
}
// Generate a white background.
Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 1000.0);
bg.setApplicationBounds(bounds);
theScene.addChild(bg);
theScene.compile();
// Add the scene to the universe.
su.addBranchGraph(theScene);
}
protected String getObservableSubstr(Object item) {
NullCheck.notNull(item, "item");
final String line = appearance.getScreenAppearance(item, NONE_APPEARANCE_FLAGS);
NullCheck.notNull(line, "line");
if (line.isEmpty()) return "";
final int leftBound = Math.min(appearance.getObservableLeftBound(item), line.length());
final int rightBound = Math.min(appearance.getObservableRightBound(item), line.length());
if (leftBound >= rightBound) return "";
return line.substring(leftBound, rightBound);
}
private void createAppearance() {
Appearance app = new Appearance();
PolygonAttributes pa = new PolygonAttributes();
pa.setCullFace(PolygonAttributes.CULL_NONE);
// so can see the ColouredTiles from both sides
app.setPolygonAttributes(pa);
setAppearance(app);
} // end of createAppearance()
private boolean updateFrame() {
if (frame < 0 || frame >= frameList.getNumResources()) {
return false;
}
Appearance newAppearance = (Appearance) frameList.getResource(frame);
if ((animation != null && newAppearance != animation) || animation == null) {
return newAppearance.toSprite(this);
} else {
return false;
}
}
private boolean onAltHome(KeyboardEvent event) {
if (noContent()) return true;
final Object item = selected();
NullCheck.notNull(item, "item");
final String line = appearance.getScreenAppearance(item, NONE_APPEARANCE_FLAGS);
NullCheck.notNull(line, "line");
hotPointX = appearance.getObservableLeftBound(item);
announceChar(line, hotPointX, appearance.getObservableRightBound(item));
environment.onAreaNewHotPoint(this);
return true;
}
/**
* Simple algorithm to add or remove a quad from the selection Ideas: 1. Use one shape per quad =>
* easy, but can become very fast too big to fit in memory. => pb: flicker when adding / removing
* because the scene is detached 2. Use only one shape, modify geometry TODO: pre-create an empty
* shape to avoid initial flicker
*
* @param on
* @param p
* @param u
* @param v
* @param groupIdx2
*/
protected void toggleSelectedQuad(boolean on, SelectionQuad sq) {
LOGGER.finest("on=" + on + " selectionQuad=" + sq);
if (on) {
// add the given quad to the list
if (selection.contains(sq)) return; // already in
selection.add(sq);
} else {
// remove the given quad from the list
if (!selection.contains(sq)) return; // not present
selection.remove(sq);
if (selection.size() == 0) {
QuadArray qa = (QuadArray) selectionShape.getGeometry();
qa.setValidVertexCount(0);
return;
}
}
// Use in-memory arrays instead of NIO because selection should not be
// too big
// => faster
QuadArray qa =
new QuadArray(
selection.size() * 4,
GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.BY_REFERENCE);
float[] coords = new float[selection.size() * 4 * 3];
float[] colors = new float[selection.size() * 4 * 3];
for (int i = 0; i < coords.length; i += 12) {
SelectionQuad quad = selection.get(i / 12);
quad.updateCoords(grid, coords, i);
quad.updateColors(colors, i);
}
qa.setCoordRefFloat(coords);
qa.setColorRefFloat(colors);
qa.setCapability(GeometryArray.ALLOW_COUNT_WRITE);
// update selection Shape with the new selection list
if (selectionShape == null) {
Appearance a = new Appearance();
PolygonAttributes pa =
new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
pa.setPolygonOffset(0.5f); // between faces and edges
pa.setPolygonOffsetFactor(0.5f);
a.setPolygonAttributes(pa);
selectionShape = new Shape3D(qa, a);
selectionShape.setUserData(this);
selectionShape.setPickable(false);
selectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
selectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
BranchGroup bg = new BranchGroup();
bg.addChild(selectionShape);
addChild(bg);
} else selectionShape.setGeometry(qa);
}
/**
* Searches for the item in the model and sets hot point on it. Given an arbitrary object, this
* method looks through all items in the model and does a couple of checks: literal pointers
* equality and a check with {@code equals()} method. If at least one of these checks succeeds,
* the item is considered equal to the given one, and hot points is set on it.
*
* @param obj The object to search for
* @param introduce Must be true if it is necessary to introduce the object, once it's found
* @return True if the request object is found, false otherwise
*/
public boolean select(Object obj, boolean introduce) {
NullCheck.notNull(obj, "obj");
for (int i = 0; i < model.getItemCount(); ++i) {
final Object o = model.getItem(i);
if (o == null || (obj != o && !obj.equals(o))) continue;
hotPointY = i;
hotPointX = appearance.getObservableLeftBound(o);
environment.onAreaNewHotPoint(this);
if (introduce) appearance.announceItem(o, NONE_APPEARANCE_FLAGS);
return true;
}
return false;
}
private boolean onAltEnd(KeyboardEvent event) {
if (noContent()) return true;
final Object item = selected();
if (item == null) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
final String line = appearance.getScreenAppearance(item, NONE_APPEARANCE_FLAGS);
NullCheck.notNull(line, "line");
hotPointX = appearance.getObservableRightBound(item);
environment.hint(Hints.END_OF_LINE);
environment.onAreaNewHotPoint(this);
return true;
}
protected boolean onListeningFinishedEvent(ListeningFinishedEvent event) {
NullCheck.notNull(event, "event");
if (!(event.getExtraInfo() instanceof ListeningInfo)) return false;
final ListeningInfo info = (ListeningInfo) event.getExtraInfo();
final int count = model.getItemCount();
if (info.itemIndex >= count) return false;
final Object item = model.getItem(info.itemIndex);
final int leftBound = appearance.getObservableLeftBound(item);
final int rightBound = appearance.getObservableRightBound(item);
if (info.pos < leftBound || info.pos > rightBound) return false;
hotPointY = getLineIndexByItemIndex(info.itemIndex);
hotPointX = info.pos;
environment.onAreaNewHotPoint(this);
return true;
}
/**
* Selects the item by its index. Given the non-negative integer value as an index, this method
* sets the hot point on the item addressed with this index, checking only that index is in
* appropriate bounds. Index must address the object as a number in the model, ignoring any empty
* lines.
*
* @param index The item index to select
* @param announce Must be true, if it is necessary to announce the item , once it has been
* selected
* @return True if the index is valid and the item gets hot point on it
*/
public boolean select(int index, boolean announce) {
if (index < 0 || index >= model.getItemCount()) return false;
final int emptyCountAbove = flags.contains(Flags.EMPTY_LINE_TOP) ? 1 : 0;
hotPointY = index + emptyCountAbove;
final Object item = model.getItem(index);
if (item != null) {
hotPointX = appearance.getObservableLeftBound(item);
if (announce) appearance.announceItem(item, NONE_APPEARANCE_FLAGS);
} else {
hotPointX = 0;
if (announce) environment.hint(Hints.EMPTY_LINE);
}
environment.onAreaNewHotPoint(this);
return true;
}
@Override
public String getLine(int index) {
if (isEmpty()) return index == 0 ? noContentStr() : "";
final int itemIndex = getItemIndexOnLine(index);
if (itemIndex < 0 || itemIndex >= model.getItemCount()) return "";
final Object res = model.getItem(itemIndex);
return res != null ? appearance.getScreenAppearance(res, NONE_APPEARANCE_FLAGS) : "";
}
/**
* Sets the sprite's appearance.
*
* @param appearance
*/
public void setAppearance(Appearance appearance) {
if (appearance == null) {
image = null;
setAnimation(null);
rewind();
} else {
appearance.toSprite(this);
}
}
public void resetHotPoint(boolean introduce) {
hotPointY = 0;
final int count = model.getItemCount();
if (count < 1) {
hotPointX = 0;
environment.onAreaNewHotPoint(this);
return;
}
final Object item = model.getItem(0);
if (item != null) {
hotPointX = item != null ? appearance.getObservableLeftBound(item) : 0;
if (introduce) appearance.announceItem(item, NONE_APPEARANCE_FLAGS);
} else {
hotPointX = 0;
environment.hint(Hints.EMPTY_LINE);
}
environment.onAreaNewHotPoint(this);
}
protected boolean onAnnounce() {
environment.playSound(Sounds.INTRO_REGULAR);
String item = "";
if (selected() != null)
item =
appearance.getScreenAppearance(selected(), EnumSet.noneOf(Appearance.Flags.class)).trim();
if (!item.isEmpty()) item = " " + item;
environment.say(getAreaName() + item);
return true;
}
protected boolean onAnnounceLine() {
if (isEmpty()) return false;
final Object item = selected();
if (item == null) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
appearance.announceItem(item, NONE_APPEARANCE_FLAGS);
return true;
}
protected void onNewHotPointY(boolean briefAnnouncement) {
final int index = selectedIndex();
if (index < 0) {
environment.hint(Hints.EMPTY_LINE);
hotPointX = 0;
environment.onAreaNewHotPoint(this);
return;
}
final Object item = model.getItem(index);
if (item == null) {
environment.hint(Hints.EMPTY_LINE);
hotPointX = 0;
environment.onAreaNewHotPoint(this);
return;
}
appearance.announceItem(
item, briefAnnouncement ? BRIEF_ANNOUNCEMENT_ONLY : NONE_APPEARANCE_FLAGS);
hotPointX = appearance.getObservableLeftBound(item);
environment.onAreaNewHotPoint(this);
}
protected boolean onArrowRight(KeyboardEvent event) {
if (noContent()) return true;
final Object item = selected();
NullCheck.notNull(item, "item");
final String line = appearance.getScreenAppearance(item, NONE_APPEARANCE_FLAGS);
NullCheck.notNull(line, "line");
if (line.isEmpty()) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
final int rightBound = appearance.getObservableRightBound(item);
if (hotPointX >= rightBound) {
environment.hint(Hints.END_OF_LINE);
return true;
}
++hotPointX;
announceChar(line, hotPointX, rightBound);
environment.onAreaNewHotPoint(this);
return true;
}
@Override
public RegionContent getRegion(int fromX, int fromY, int toX, int toY) {
if (model == null || model.getItemCount() < 0) return null;
if (fromY >= model.getItemCount() || toY > model.getItemCount()) return null;
if (fromY == toY) {
final String line =
appearance.getScreenAppearance(model.getItem(fromY), NONE_APPEARANCE_FLAGS);
if (line == null || line.isEmpty()) return null;
final int fromPos = fromX < line.length() ? fromX : line.length();
final int toPos = toX < line.length() ? toX : line.length();
if (fromPos >= toPos) return null;
return new RegionContent(new String[] {line.substring(fromPos, toPos)});
}
final LinkedList<String> res = new LinkedList<String>();
for (int i = fromY; i < toY; ++i) {
final String line = appearance.getScreenAppearance(model.getItem(i), NONE_APPEARANCE_FLAGS);
res.add(line != null ? line : "");
}
res.add("");
return new RegionContent(res.toArray(new String[res.size()]));
}
@Override
public RegionContent getWholeRegion() {
if (model == null || model.getItemCount() < 0) return null;
final LinkedList<String> res = new LinkedList<String>();
final int count = model.getItemCount();
for (int i = 0; i < count; ++i) {
final String line = appearance.getScreenAppearance(model.getItem(i), NONE_APPEARANCE_FLAGS);
res.add(line != null ? line : "");
}
res.add("");
return new RegionContent(res.toArray(new String[res.size()]));
}
/**
* Refreshes the content of the list. This method calls {@code refresh()} method of the model and
* displays new items. It does not produce any speech announcement of the change. HotPointY is
* preserved if it is possible (meaning, the new number of lines not less than old value of
* hotPointY), but hotPointX is moved to the beginning of the line.
*/
public void refresh() {
model.refresh();
final int count = model.getItemCount();
if (count == 0) {
hotPointX = 0;
hotPointY = 0;
environment.onAreaNewContent(this);
environment.onAreaNewHotPoint(this);
return;
}
hotPointY = hotPointY < count ? hotPointY : count - 1;
final Object item = model.getItem(hotPointY);
if (item != null) hotPointX = appearance.getObservableLeftBound(item);
else hotPointX = 0;
environment.onAreaNewContent(this);
environment.onAreaNewHotPoint(this);
}
protected void makeGroups() {
int totalQuads = 0;
int totalInternalEdges = 0;
int totalExternalEdges = 0;
// loop over each group
// loop over each group
int[] groupID = provider.getDomainIDs();
for (int g = 0; g < groupID.length; ++g) {
LOGGER.finest("generating java3d tree for group number " + groupID[g]);
// Set of EdgeLine objects. Overlapping edges on the same line are
// merged together
HashMap<EdgeLine, EdgeLine> externalEdges = new HashMap<EdgeLine, EdgeLine>();
// Same trick for internal edges.
HashMap<EdgeLine, EdgeLine> internalEdges = new HashMap<EdgeLine, EdgeLine>();
FDDomain fdDomain = (FDDomain) provider.getDomain(groupID[g]);
baseColor.put(new Integer(g), fdDomain.getColor());
Plate[] plates = domainToPlates(fdDomain);
if (plates.length == 0) continue;
// Create plates for this group
FloatBuffer nioCoords =
ByteBuffer.allocateDirect(plates.length * 4 * 3 * 4)
.order(ByteOrder.nativeOrder())
.asFloatBuffer();
FloatBuffer nioColors =
ByteBuffer.allocateDirect(plates.length * 4 * 3 * 4)
.order(ByteOrder.nativeOrder())
.asFloatBuffer();
float[] baseColor = getColorForOrder(g, 0);
// System.out.println(baseColor[0]+" "+baseColor[1]+" "+baseColor[2]);
for (int np = 0; np < plates.length; ++np) {
Plate p = plates[np];
// put coordinates
nioCoords.put(p.getCoordinates(grid));
// put colors for the 4 vertices
nioColors.put(baseColor);
nioColors.put(baseColor);
nioColors.put(baseColor);
nioColors.put(baseColor);
// Merge external edges
addEdge(externalEdges, getLine(p, 2, p.min1), p.min2, p.max2);
addEdge(externalEdges, getLine(p, 2, p.max1), p.min2, p.max2);
addEdge(externalEdges, getLine(p, 1, p.min2), p.min1, p.max1);
addEdge(externalEdges, getLine(p, 1, p.max2), p.min1, p.max1);
// Merge internal edges
for (int i = p.min1 + 1; i < p.max1; ++i)
addEdge(internalEdges, getLine(p, 2, i), p.min2, p.max2);
for (int j = p.min2 + 1; j < p.max2; ++j)
addEdge(internalEdges, getLine(p, 1, j), p.min1, p.max1);
}
// use by reference array of colors => fast to change!
QuadArray qa =
new NioQuadArray(plates.length * 4, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
qa.setCoordRefBuffer(new J3DBuffer(nioCoords));
qa.setColorRefBuffer(new J3DBuffer(nioColors));
qa.setCapability(GeometryArray.ALLOW_COLOR_WRITE);
qa.setCapabilityIsFrequent(GeometryArray.ALLOW_COLOR_WRITE);
Appearance a = new Appearance();
PolygonAttributes pa =
new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
pa.setPolygonOffset(1);
pa.setPolygonOffsetFactor(1);
a.setPolygonAttributes(pa);
Shape3D s3d = new Shape3D(qa, a);
PickTool.setCapabilities(s3d, PickTool.INTERSECT_FULL);
s3d.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
s3d.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
s3d.setCapability(Node.ALLOW_PICKABLE_READ);
s3d.setCapability(Node.ALLOW_PICKABLE_WRITE);
s3d.setPickable(true);
s3d.setUserData(new BehindShape(s3d, plates, g));
this.addChild(s3d);
// Create edge shapes directly, don't make them appear in graph
int nInternalEdges = 0;
for (Iterator<EdgeLine> it = internalEdges.keySet().iterator(); it.hasNext(); ) {
EdgeLine el = it.next();
nInternalEdges += el.getNumberOfEdges();
}
if (nInternalEdges > 0) {
DoubleBuffer nioInternalEdges =
ByteBuffer.allocateDirect(nInternalEdges * 2 * 3 * 8)
.order(ByteOrder.nativeOrder())
.asDoubleBuffer();
// create edge coords
for (Iterator<EdgeLine> it = internalEdges.keySet().iterator(); it.hasNext(); ) {
EdgeLine el = it.next();
nioInternalEdges.put(el.getCoords(grid));
}
LineArray la =
new NioLineArray(nInternalEdges * 2, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
la.setCoordRefBuffer(new J3DBuffer(nioInternalEdges));
int colSize = nInternalEdges * 2 * 3;
FloatBuffer nioInternalColors =
ByteBuffer.allocateDirect(colSize * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
float[] colors = getColorForOrder(g, 2);
for (int i = 0; i < colSize; i += 3) nioInternalColors.put(colors);
la.setColorRefBuffer(new J3DBuffer(nioInternalColors));
la.setUserData(new int[] {g, 2});
a = new Appearance();
// pa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE,
// PolygonAttributes.CULL_NONE, 0);
// pa.setPolygonOffset(4);
// pa.setPolygonOffsetFactor(4);
// a.setPolygonAttributes(pa);
// LineAttributes lat = new LineAttributes();
// lat.setLineAntialiasingEnable(true);
// a.setLineAttributes(lat);
// RenderingAttributes ra = new RenderingAttributes();
// ra.setAlphaTestFunction(RenderingAttributes.GREATER);
// ra.setAlphaTestValue(0.5f);
// a.setRenderingAttributes(ra);
s3d = new Shape3D(la, a);
PickTool.setCapabilities(s3d, PickTool.INTERSECT_FULL);
s3d.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
s3d.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
s3d.setCapability(Node.ALLOW_PICKABLE_READ);
s3d.setCapability(Node.ALLOW_PICKABLE_WRITE);
s3d.setPickable(false); // by default, see actions
s3d.setUserData(this); // this object will handle edges
this.addChild(s3d);
allEdgeShapes.add(s3d);
}
// Now, create external edge
int nExternalEdges = 0;
for (Iterator<EdgeLine> it = externalEdges.keySet().iterator(); it.hasNext(); ) {
EdgeLine el = it.next();
nExternalEdges += el.getNumberOfEdges();
}
if (nExternalEdges > 0) {
DoubleBuffer nioExternalEdges =
ByteBuffer.allocateDirect(nExternalEdges * 2 * 3 * 8)
.order(ByteOrder.nativeOrder())
.asDoubleBuffer();
// create edge coords
for (Iterator<EdgeLine> it = externalEdges.keySet().iterator(); it.hasNext(); ) {
EdgeLine el = it.next();
nioExternalEdges.put(el.getCoords(grid));
}
LineArray la =
new NioLineArray(nExternalEdges * 2, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
la.setCoordRefBuffer(new J3DBuffer(nioExternalEdges));
int colSize = nExternalEdges * 2 * 3;
FloatBuffer nioExternalColors =
ByteBuffer.allocateDirect(colSize * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
float[] colors = getColorForOrder(g, 4);
for (int i = 0; i < colSize; i += 3) nioExternalColors.put(colors);
la.setColorRefBuffer(new J3DBuffer(nioExternalColors));
la.setUserData(new int[] {g, 4});
a = new Appearance();
// pa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE,
// PolygonAttributes.CULL_NONE, 0);
// pa.setPolygonOffset(3);
// pa.setPolygonOffsetFactor(3);
// a.setPolygonAttributes(pa);
s3d = new Shape3D(la, a);
PickTool.setCapabilities(s3d, PickTool.INTERSECT_FULL);
s3d.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
s3d.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
s3d.setCapability(Node.ALLOW_PICKABLE_READ);
s3d.setCapability(Node.ALLOW_PICKABLE_WRITE);
s3d.setPickable(false); // by default, see actions
s3d.setUserData(this); // this object will handle edges
this.addChild(s3d);
allEdgeShapes.add(s3d);
}
totalQuads += plates.length;
totalInternalEdges += nInternalEdges;
totalExternalEdges += nExternalEdges;
}
System.out.println("Total quads: " + totalQuads);
System.out.println("Total Internal Plate edges: " + totalInternalEdges);
System.out.println("Total External Plate edges: " + totalExternalEdges);
}
public void setTransparencyAndRenderingAttributes(
TransparencyAttributes transparencyAttributes, boolean rendering) {
super.setTransparencyAttributes(transparencyAttributes);
super.getRenderingAttributes().setDepthBufferEnable(rendering);
}
/** Setup the basic scene which consists of a quad and a viewpoint */
private void setupSceneGraph() {
// View group
Viewpoint vp = new Viewpoint();
Vector3f trans = new Vector3f(0, 0, 1);
Matrix4f mat = new Matrix4f();
mat.setIdentity();
mat.setTranslation(trans);
TransformGroup tx = new TransformGroup();
tx.addChild(vp);
tx.setTransform(mat);
Group scene_root = new Group();
scene_root.addChild(tx);
// Flat panel that has the viewable object as the demo
float[] coord = {0, 0, -1, 0.25f, 0, -1, 0, 0.25f, -1};
float[] normal = {0, 0, 1, 0, 0, 1, 0, 0, 1};
TriangleArray geom = new TriangleArray();
geom.setValidVertexCount(3);
geom.setVertices(TriangleArray.COORDINATE_3, coord);
geom.setNormals(normal);
Material material = new Material();
material.setDiffuseColor(new float[] {0, 0, 1});
material.setEmissiveColor(new float[] {0, 0, 1});
material.setSpecularColor(new float[] {1, 1, 1});
material.setTransparency(0.5f);
Appearance app = new Appearance();
app.setMaterial(material);
Shape3D shape = new Shape3D();
shape.setGeometry(geom);
shape.setAppearance(app);
TransformGroup tg = new TransformGroup();
Matrix4f transform = new Matrix4f();
transform.setIdentity();
transform.setTranslation(new Vector3f(0.15f, 0, -1));
tg.setTransform(transform);
Shape3D backShape = new Shape3D();
Material material2 = new Material();
material2.setDiffuseColor(new float[] {1, 0, 0});
material2.setEmissiveColor(new float[] {1, 0, 0});
material2.setSpecularColor(new float[] {1, 1, 1});
Appearance app2 = new Appearance();
app2.setMaterial(material2);
backShape.setGeometry(geom);
backShape.setAppearance(app2);
tg.addChild(backShape);
scene_root.addChild(tg);
scene_root.addChild(shape);
SimpleScene scene = new SimpleScene();
scene.setRenderedGeometry(scene_root);
scene.setActiveView(vp);
// Then the basic layer and viewport at the top:
SimpleViewport view = new SimpleViewport();
view.setDimensions(0, 0, 500, 500);
view.setScene(scene);
SimpleLayer layer = new SimpleLayer();
layer.setViewport(view);
Layer[] layers = {layer};
displayManager.setLayers(layers, 1);
}
public static Object3D[] load(byte[] data, int offset) {
DataInputStream old = dis;
dis = new DataInputStream(new ByteArrayInputStream(data));
try {
while (dis.available() > 0) {
int objectType = readByte();
int length = readInt();
System.out.println("objectType: " + objectType);
System.out.println("length: " + length);
dis.mark(Integer.MAX_VALUE);
if (objectType == 0) {
int versionHigh = readByte();
int versionLow = readByte();
boolean hasExternalReferences = readBoolean();
int totolFileSize = readInt();
int approximateContentSize = readInt();
String authoringField = readString();
objs.addElement(new Group()); // dummy
} else if (objectType == 255) {
// TODO: load external resource
System.out.println("Loader: Loading external resources not implemented.");
String uri = readString();
} else if (objectType == 1) {
System.out.println("Loader: AnimationController not implemented.");
objs.addElement(new Group()); // dummy
} else if (objectType == 2) {
System.out.println("Loader: AnimationTrack not implemented.");
objs.addElement(new Group()); // dummy
} else if (objectType == 3) {
// System.out.println("Appearance");
Appearance appearance = new Appearance();
loadObject3D(appearance);
appearance.setLayer(readByte());
appearance.setCompositingMode((CompositingMode) getObject(readInt()));
appearance.setFog((Fog) getObject(readInt()));
appearance.setPolygonMode((PolygonMode) getObject(readInt()));
appearance.setMaterial((Material) getObject(readInt()));
int numTextures = readInt();
for (int i = 0; i < numTextures; ++i)
appearance.setTexture(i, (Texture2D) getObject(readInt()));
objs.addElement(appearance);
} else if (objectType == 4) {
// System.out.println("Background");
Background background = new Background();
loadObject3D(background);
background.setColor(readRGBA());
background.setImage((Image2D) getObject(readInt()));
int modeX = readByte();
int modeY = readByte();
background.setImageMode(modeX, modeY);
int cropX = readInt();
int cropY = readInt();
int cropWidth = readInt();
int cropHeight = readInt();
background.setCrop(cropX, cropY, cropWidth, cropHeight);
background.setDepthClearEnable(readBoolean());
background.setColorClearEnable(readBoolean());
objs.addElement(background); // dummy
} else if (objectType == 5) {
// System.out.println("Camera");
Camera camera = new Camera();
loadNode(camera);
int projectionType = readByte();
if (projectionType == Camera.GENERIC) {
Transform t = new Transform();
t.set(readMatrix());
camera.setGeneric(t);
} else {
float fovy = readFloat();
float aspect = readFloat();
float near = readFloat();
float far = readFloat();
if (projectionType == Camera.PARALLEL) camera.setParallel(fovy, aspect, near, far);
else camera.setPerspective(fovy, aspect, near, far);
}
objs.addElement(camera);
} else if (objectType == 6) {
// System.out.println("CompositingMode");
CompositingMode compositingMode = new CompositingMode();
loadObject3D(compositingMode);
compositingMode.setDepthTestEnabled(readBoolean());
compositingMode.setDepthWriteEnabled(readBoolean());
compositingMode.setColorWriteEnabled(readBoolean());
compositingMode.setAlphaWriteEnabled(readBoolean());
compositingMode.setBlending(readByte());
compositingMode.setAlphaThreshold((float) readByte() / 255.0f);
compositingMode.setDepthOffsetFactor(readFloat());
compositingMode.setDepthOffsetUnits(readFloat());
objs.addElement(compositingMode);
} else if (objectType == 7) {
// System.out.println("Fog");
Fog fog = new Fog();
loadObject3D(fog);
fog.setColor(readRGB());
fog.setMode(readByte());
if (fog.getMode() == Fog.EXPONENTIAL) fog.setDensity(readFloat());
else {
fog.setNearDistance(readFloat());
fog.setFarDistance(readFloat());
}
objs.addElement(fog);
} else if (objectType == 9) {
// System.out.println("Group");
Group group = new Group();
loadGroup(group);
objs.addElement(group);
} else if (objectType == 10) {
// System.out.println("Image2D");
Image2D image = null;
loadObject3D(new Group()); // dummy
int format = readByte();
boolean isMutable = readBoolean();
int width = readInt();
int height = readInt();
if (!isMutable) {
// Read palette
int paletteSize = readInt();
byte[] palette = null;
if (paletteSize > 0) {
palette = new byte[paletteSize];
dis.readFully(palette);
}
// Read pixels
int pixelSize = readInt();
byte[] pixel = new byte[pixelSize];
dis.readFully(pixel);
// Create image
if (palette != null) image = new Image2D(format, width, height, pixel, palette);
else image = new Image2D(format, width, height, pixel);
} else image = new Image2D(format, width, height);
dis.reset();
loadObject3D(image);
objs.addElement(image);
} else if (objectType == 19) {
System.out.println("Loader: KeyframeSequence not implemented.");
/*
Byte interpolation;
Byte repeatMode;
Byte encoding;
UInt32 duration;
UInt32 validRangeFirst;
UInt32 validRangeLast;
UInt32 componentCount;
UInt32 keyframeCount;
IF encoding == 0
FOR each key frame...
UInt32 time;
Float32[componentCount] vectorValue;
END
ELSE IF encoding == 1
Float32[componentCount] vectorBias;
Float32[componentCount] vectorScale;
FOR each key frame...
UInt32 time;
Byte[componentCount] vectorValue;
END
ELSE IF encoding == 2
Float32[componentCount] vectorBias;
Float32[componentCount] vectorScale;
FOR each key frame...
UInt32 time;
UInt16[componentCount] vectorValue;
END
END
*/
objs.addElement(new Group()); // dummy
} else if (objectType == 12) {
// System.out.println("Light");
Light light = new Light();
loadNode(light);
float constant = readFloat();
float linear = readFloat();
float quadratic = readFloat();
light.setAttenuation(constant, linear, quadratic);
light.setColor(readRGB());
light.setMode(readByte());
light.setIntensity(readFloat());
light.setSpotAngle(readFloat());
light.setSpotExponent(readFloat());
objs.addElement(light);
} else if (objectType == 13) {
// System.out.println("Material");
Material material = new Material();
loadObject3D(material);
material.setColor(Material.AMBIENT, readRGB());
material.setColor(Material.DIFFUSE, readRGBA());
material.setColor(Material.EMISSIVE, readRGB());
material.setColor(Material.SPECULAR, readRGB());
material.setShininess(readFloat());
material.setVertexColorTrackingEnable(readBoolean());
objs.addElement(material);
} else if (objectType == 14) {
// System.out.println("Mesh");
loadNode(new Group()); // dummy
VertexBuffer vertices = (VertexBuffer) getObject(readInt());
int submeshCount = readInt();
IndexBuffer[] submeshes = new IndexBuffer[submeshCount];
Appearance[] appearances = new Appearance[submeshCount];
for (int i = 0; i < submeshCount; ++i) {
submeshes[i] = (IndexBuffer) getObject(readInt());
appearances[i] = (Appearance) getObject(readInt());
}
Mesh mesh = new Mesh(vertices, submeshes, appearances);
dis.reset();
loadNode(mesh);
objs.addElement(mesh);
} else if (objectType == 15) {
System.out.println("Loader: MorphingMesh not implemented.");
/*
UInt32 morphTargetCount;
FOR each target buffer...
ObjectIndex morphTarget;
Float32 initialWeight;
END
*/
objs.addElement(new Group()); // dummy
} else if (objectType == 8) {
// System.out.println("PolygonMode");
PolygonMode polygonMode = new PolygonMode();
loadObject3D(polygonMode);
polygonMode.setCulling(readByte());
polygonMode.setShading(readByte());
polygonMode.setWinding(readByte());
polygonMode.setTwoSidedLightingEnable(readBoolean());
polygonMode.setLocalCameraLightingEnable(readBoolean());
polygonMode.setPerspectiveCorrectionEnable(readBoolean());
objs.addElement(polygonMode);
} else if (objectType == 16) {
System.out.println("Loader: SkinnedMesh not implemented.");
/*
ObjectIndex skeleton;
UInt32 transformReferenceCount;
FOR each bone reference...
ObjectIndex transformNode;
UInt32 firstVertex;
UInt32 vertexCount;
Int32 weight;
END
*/
objs.addElement(new Group()); // dummy
} else if (objectType == 18) {
System.out.println("Loader: Sprite not implemented.");
/*
ObjectIndex image;
ObjectIndex appearance;
Boolean isScaled;
Int32 cropX;
Int32 cropY;
Int32 cropWidth;
Int32 cropHeight;
*/
objs.addElement(new Group()); // dummy
} else if (objectType == 17) {
// System.out.println("Texture2D");
loadTransformable(new Group()); // dummy
Texture2D texture = new Texture2D((Image2D) getObject(readInt()));
texture.setBlendColor(readRGB());
texture.setBlending(readByte());
int wrapS = readByte();
int wrapT = readByte();
texture.setWrapping(wrapS, wrapT);
int levelFilter = readByte();
int imageFilter = readByte();
texture.setFiltering(levelFilter, imageFilter);
dis.reset();
loadTransformable(texture);
objs.addElement(texture);
} else if (objectType == 11) {
// System.out.println("TriangleStripArray");
loadObject3D(new Group()); // dummy
int encoding = readByte();
int firstIndex = 0;
int[] indices = null;
if (encoding == 0) firstIndex = readInt();
else if (encoding == 1) firstIndex = readByte();
else if (encoding == 2) firstIndex = readShort();
else if (encoding == 128) {
int numIndices = readInt();
indices = new int[numIndices];
for (int i = 0; i < numIndices; ++i) indices[i] = readInt();
} else if (encoding == 129) {
int numIndices = readInt();
indices = new int[numIndices];
for (int i = 0; i < numIndices; ++i) indices[i] = readByte();
} else if (encoding == 130) {
int numIndices = readInt();
indices = new int[numIndices];
for (int i = 0; i < numIndices; ++i) indices[i] = readShort();
}
int numStripLengths = readInt();
int[] stripLengths = new int[numStripLengths];
for (int i = 0; i < numStripLengths; ++i) stripLengths[i] = readInt();
dis.reset();
TriangleStripArray triStrip = null;
if (indices == null) triStrip = new TriangleStripArray(firstIndex, stripLengths);
else triStrip = new TriangleStripArray(indices, stripLengths);
loadObject3D(triStrip);
objs.addElement(triStrip);
} else if (objectType == 20) {
// System.out.println("VertexArray");
loadObject3D(new Group()); // dummy
int componentSize = readByte();
int componentCount = readByte();
int encoding = readByte();
int vertexCount = readShort();
VertexArray vertices = new VertexArray(vertexCount, componentCount, componentSize);
if (componentSize == 1) {
byte[] values = new byte[componentCount * vertexCount];
if (encoding == 0) dis.readFully(values);
else {
byte last = 0;
for (int i = 0; i < vertexCount * componentCount; ++i) {
last += readByte();
values[i] = last;
}
}
vertices.set(0, vertexCount, values);
} else {
short last = 0;
short[] values = new short[componentCount * vertexCount];
for (int i = 0; i < componentCount * vertexCount; ++i) {
if (encoding == 0) values[i] = (short) readShort();
else {
last += (short) readShort();
values[i] = last;
}
}
vertices.set(0, vertexCount, values);
}
dis.reset();
loadObject3D(vertices);
objs.addElement(vertices);
} else if (objectType == 21) {
// System.out.println("VertexBuffer");
VertexBuffer vertices = new VertexBuffer();
loadObject3D(vertices);
vertices.setDefaultColor(readRGBA());
VertexArray positions = (VertexArray) getObject(readInt());
float[] bias = new float[3];
bias[0] = readFloat();
bias[1] = readFloat();
bias[2] = readFloat();
float scale = readFloat();
vertices.setPositions(positions, scale, bias);
vertices.setNormals((VertexArray) getObject(readInt()));
vertices.setColors((VertexArray) getObject(readInt()));
int texCoordArrayCount = readInt();
for (int i = 0; i < texCoordArrayCount; ++i) {
VertexArray texcoords = (VertexArray) getObject(readInt());
bias[0] = readFloat();
bias[1] = readFloat();
bias[2] = readFloat();
scale = readFloat();
vertices.setTexCoords(i, texcoords, scale, bias);
}
objs.addElement(vertices);
} else if (objectType == 22) {
// System.out.println("World");
World world = new World();
loadGroup(world);
world.setActiveCamera((Camera) getObject(readInt()));
world.setBackground((Background) getObject(readInt()));
objs.addElement(world);
} else {
System.out.println("Loader: unsupported objectType " + objectType + ".");
}
dis.reset();
dis.skipBytes(length);
}
} catch (Exception e) {
System.out.println("Exception: " + e.getMessage());
e.printStackTrace();
}
dis = old;
return null;
}
