protected void doPick(
DrawContext dc, Iterable<? extends Renderable> renderables, java.awt.Point pickPoint) {
this.pickSupport.clearPickList();
this.pickSupport.beginPicking(dc);
try {
for (Renderable renderable : renderables) {
// If the caller has specified their own Iterable,
// then we cannot make any guarantees about its contents.
if (renderable != null) {
float[] inColor = new float[4];
dc.getGL().glGetFloatv(GL.GL_CURRENT_COLOR, inColor, 0);
java.awt.Color color = dc.getUniquePickColor();
dc.getGL()
.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
try {
renderable.render(dc);
} catch (Exception e) {
String msg = Logging.getMessage("generic.ExceptionWhilePickingRenderable");
Logging.logger().severe(msg);
continue; // go on to next renderable
}
dc.getGL().glColor4fv(inColor, 0);
if (renderable instanceof Locatable) {
this.pickSupport.addPickableObject(
color.getRGB(), renderable, ((Locatable) renderable).getPosition(), false);
} else {
this.pickSupport.addPickableObject(color.getRGB(), renderable);
}
}
}
this.pickSupport.resolvePick(dc, pickPoint, this);
} finally {
this.pickSupport.endPicking(dc);
}
}
protected Vec4 drawIcon(DrawContext dc, OrderedIcon uIcon) {
if (uIcon.point == null) {
String msg = Logging.getMessage("nullValue.PointIsNull");
Logging.logger().severe(msg);
// Record feedback data for this WWIcon if feedback is enabled.
if (uIcon.icon != null) this.recordFeedback(dc, uIcon.icon, null, null);
return null;
}
WWIcon icon = uIcon.icon;
if (dc.getView().getFrustumInModelCoordinates().getNear().distanceTo(uIcon.point) < 0) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, null);
return null;
}
final Vec4 screenPoint = dc.getView().project(uIcon.point);
if (screenPoint == null) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, null);
return null;
}
double pedestalScale;
double pedestalSpacing;
if (this.pedestal != null) {
pedestalScale = this.pedestal.getScale();
pedestalSpacing = pedestal.getSpacingPixels();
} else {
pedestalScale = 0d;
pedestalSpacing = 0d;
}
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
this.setDepthFunc(dc, uIcon, screenPoint);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
Dimension size = icon.getSize();
double width = size != null ? size.getWidth() : icon.getImageTexture().getWidth(dc);
double height = size != null ? size.getHeight() : icon.getImageTexture().getHeight(dc);
gl.glTranslated(
screenPoint.x - width / 2, screenPoint.y + (pedestalScale * height) + pedestalSpacing, 0d);
if (icon.isHighlighted()) {
double heightDelta = this.pedestal != null ? 0 : height / 2; // expand only above the pedestal
gl.glTranslated(width / 2, heightDelta, 0);
gl.glScaled(icon.getHighlightScale(), icon.getHighlightScale(), icon.getHighlightScale());
gl.glTranslated(-width / 2, -heightDelta, 0);
}
Rectangle rect =
new Rectangle(
(int) (screenPoint.x - width / 2),
(int) (screenPoint.y),
(int) width,
(int) (height + (pedestalScale * height) + pedestalSpacing));
if (dc.isPickingMode()) {
// If in picking mode and pick clipping is enabled, check to see if the icon is within the
// pick volume.
if (this.isPickFrustumClippingEnabled() && !dc.getPickFrustums().intersectsAny(rect)) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, rect);
return screenPoint;
} else {
java.awt.Color color = dc.getUniquePickColor();
int colorCode = color.getRGB();
this.pickSupport.addPickableObject(colorCode, icon, uIcon.getPosition(), false);
gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
}
}
if (icon.getBackgroundTexture() != null)
this.applyBackground(dc, icon, screenPoint, width, height, pedestalSpacing, pedestalScale);
if (icon.getImageTexture().bind(dc)) {
TextureCoords texCoords = icon.getImageTexture().getTexCoords();
gl.glScaled(width, height, 1d);
dc.drawUnitQuad(texCoords);
}
if (this.pedestal != null && this.pedestal.getImageTexture() != null) {
gl.glLoadIdentity();
gl.glTranslated(screenPoint.x - (pedestalScale * (width / 2)), screenPoint.y, 0d);
gl.glScaled(width * pedestalScale, height * pedestalScale, 1d);
if (this.pedestal.getImageTexture().bind(dc)) {
TextureCoords texCoords = this.pedestal.getImageTexture().getTexCoords();
dc.drawUnitQuad(texCoords);
}
}
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, rect);
return screenPoint;
}