/**
* Output a specific entity to the specified stream.
*
* @param model The world model to export
* @param entityID The entity to export
* @param mainScene The X3D scene to write to
*/
public X3DNode export(WorldModel model, int entityID, X3DScene mainScene, String worldURL) {
// get the entity
Entity entity = model.getEntity(entityID);
if (entity == null) {
errorReporter.messageReport("Cannot find model to export: " + entityID);
return null;
}
if (entity.isController()) {
return null;
}
try {
X3DNode group;
// if the entity has a position then place it
if (entity instanceof PositionableEntity) {
double[] position = new double[3];
float[] rotation = new float[4];
float[] scale = new float[3];
((PositionableEntity) entity).getPosition(position);
((PositionableEntity) entity).getRotation(rotation);
((PositionableEntity) entity).getScale(scale);
float[] pos = new float[] {(float) position[0], (float) position[1], (float) position[2]};
// create the transform group node
group = mainScene.createNode("Transform");
SFVec3f translationField = (SFVec3f) (group.getField("translation"));
translationField.setValue(pos);
SFRotation rotationField = (SFRotation) (group.getField("rotation"));
rotationField.setValue(rotation);
SFVec3f scaleField = (SFVec3f) (group.getField("scale"));
scaleField.setValue(scale);
} else {
// create the transform group node
group = mainScene.createNode("Group");
}
// create the inline node
String url = worldURL + entity.getModelURL();
X3DNode inline = mainScene.createNode("Inline");
MFString urlField = (MFString) (inline.getField("url"));
urlField.setValue(1, new String[] {url});
// grab the child node to append to
MFNode childrenField = (MFNode) (group.getField("children"));
// add inline to the group/transform
childrenField.append(inline);
return group;
} catch (Exception ex) {
errorReporter.errorReport("Error.", ex);
}
return null;
}
public void initialize() {
// System.out.println("Creating Fence geometry");
int num = 0;
int len = startField.getSize();
float[] start = new float[3];
float[] end = new float[3];
float height;
// One shape for a panel, panelTop and post, post Top
int shape_groups = 4;
int num_panels = len;
int num_panels_per_shape = fencesPerShapeField.getValue();
int num_shapes = (num_panels / num_panels_per_shape) * shape_groups;
int num_posts_per_shape = num_panels_per_shape;
// System.out.println("Number of posts: " + len);
// System.out.println("Number of panels: " + num_panels);
// System.out.println("Number of shapes: " + num_shapes);
// System.out.println("Number of panels per shape: " + num_panels_per_shape);
// System.out.println("Number of posts per shape: " + num_posts_per_shape);
X3DNode[] shapes = new X3DNode[num_shapes];
X3DExecutionContext mainScene = browser.getExecutionContext();
// Create a common Appearance to share
X3DNode[] appearances = new X3DNode[appearanceField.getSize()];
appearanceField.getValue(appearances);
X3DNode panel_appearance = appearances[panelAppearanceField.getValue()];
X3DNode panelTop_appearance = appearances[panelTopAppearanceField.getValue()];
X3DNode panelRail_appearance = appearances[panelRailAppearanceField.getValue()];
X3DNode post_appearance = appearances[postAppearanceField.getValue()];
X3DNode postTop_appearance = appearances[postTopAppearanceField.getValue()];
int shape_idx = 0;
// Create Panels
X3DNode[] new_shapes =
createSegmentGeom(
mainScene,
panel_appearance,
postField,
postGeometryField,
panelHeightField,
startField,
endField,
false,
null,
len,
(num_shapes / shape_groups),
num_posts_per_shape,
true,
true,
1,
1);
for (int i = 0; i < new_shapes.length; i++) {
shapes[shape_idx++] = new_shapes[i];
}
// Create PanelTops
new_shapes =
createSegmentGeom(
mainScene,
panelTop_appearance,
postField,
postGeometryField,
panelTopHeightField,
startField,
endField,
true,
panelHeightField,
len,
(num_shapes / shape_groups),
num_posts_per_shape,
true,
true,
15,
10);
for (int i = 0; i < new_shapes.length; i++) {
X3DNode panel_shape = mainScene.createNode("Shape");
shapes[shape_idx++] = new_shapes[i];
}
// Create Posts
new_shapes =
createVertexGeom(
mainScene,
post_appearance,
postField,
postGeometryField,
postSizeField,
startField,
endField,
false,
null,
(num_shapes / shape_groups),
num_posts_per_shape);
for (int i = 0; i < new_shapes.length; i++) {
X3DNode panel_shape = mainScene.createNode("Shape");
shapes[shape_idx++] = new_shapes[i];
}
// Create PostTops
new_shapes =
createVertexGeom(
mainScene,
postTop_appearance,
postTopField,
postTopGeometryField,
postTopSizeField,
startField,
endField,
true,
postSizeField,
(num_shapes / shape_groups),
num_posts_per_shape);
for (int i = 0; i < new_shapes.length; i++) {
shapes[shape_idx++] = new_shapes[i];
}
childrenField.setValue(shapes.length, shapes);
// System.out.println("Done creating fence geometry");
}
public Object typedValue() throws Exception {
return MFNode.collectTypedValue(select(IMFNode.MFQueryKind_AllChildren, null));
}
/**
* Create geometry for vertices.
*
* @param offset Should we offset vertically
* @param offsetField A full SFVec3f that we only use the height off for offset
*/
private X3DNode[] createVertexGeom(
X3DExecutionContext mainScene,
X3DNode appearance,
MFInt32 geomIndicesField,
MFNode geometryField,
MFVec3f sizeField,
MFVec3f startField,
MFVec3f endField,
boolean offset,
MFVec3f offsetField,
int shapesToCreate,
int verticesPerShape) {
// System.out.println("**** Creating vertex geom: " + geomIndicesField.getSize() + "
// shapesToCreate: " + shapesToCreate + " verticesPerShape: " + verticesPerShape);
int coord_size = 0;
int index_size = 0;
int texCoord_size = 0;
int normal_size = 0;
int num = 0;
X3DNode[] ret_val = new X3DNode[shapesToCreate];
int shape_idx = 0;
// System.out.println("Vertex Geoms to add: " + shapesToCreate);
for (int n = 0; n < shapesToCreate; n++) {
coord_size = 0;
index_size = 0;
texCoord_size = 0;
normal_size = 0;
int numVerticesInShape = verticesPerShape;
if (n == shapesToCreate - 1) {
numVerticesInShape++;
}
// System.out.println("NumVertices in Shape: " + numVerticesInShape);
for (int i = 0; i < numVerticesInShape; i++) {
int idx = geomIndicesField.get1Value(i);
if (idx > geometryField.getSize() - 1) {
System.out.println("Invalid geometry index for vertex");
continue;
}
X3DNode geom_node = geometryField.get1Value(idx);
MField coord_field = (MField) geom_node.getField("coord");
coord_size += coord_field.getSize() * 3;
MField index_field = (MField) geom_node.getField("index");
index_size += index_field.getSize();
MField texCoord_field = (MField) geom_node.getField("texCoord");
texCoord_size += texCoord_field.getSize() * 2;
MField normal_field = (MField) geom_node.getField("normal");
normal_size += texCoord_field.getSize() * 3;
}
// System.out.println("Coord size: " + coord_size);
// System.out.println("Handling vertex shape: " + n);
// int[] index = new int[index_size / shapesToCreate];
// float[] point = new float[coord_size / shapesToCreate];
// float[] tc = new float[texCoord_size / shapesToCreate];
int[] index = new int[index_size];
float[] point = new float[coord_size];
float[] tc = new float[texCoord_size];
int iidx = 0;
int pidx = 0;
int tidx = 0;
iidx = 0;
pidx = 0;
tidx = 0;
// Post Shape
X3DNode shape = mainScene.createNode("Shape");
SFNode shape_appearance = (SFNode) (shape.getField("appearance"));
shape_appearance.setValue(appearance);
SFNode shape_geometry = (SFNode) (shape.getField("geometry"));
X3DNode its = mainScene.createNode("IndexedTriangleSet");
// SFBool its_solid = (SFBool) its.getField("solid");
// its_solid.setValue(false);
X3DNode coord = mainScene.createNode("Coordinate");
SFNode its_coord = (SFNode) (its.getField("coord"));
MFVec3f point_field = (MFVec3f) coord.getField("point");
X3DNode normal = mainScene.createNode("Normal");
SFNode its_normal = (SFNode) (its.getField("normal"));
MFVec3f vector_field = (MFVec3f) normal.getField("vector");
X3DNode texcoord = mainScene.createNode("TextureCoordinate");
SFNode its_texcoord = (SFNode) (its.getField("texCoord"));
MFVec2f tcpoint_field = (MFVec2f) texcoord.getField("point");
MFInt32 its_index = (MFInt32) (its.getField("index"));
float[] size = new float[3];
int[] indexes = null;
float[] coords = null;
float[] texCoords = null;
float[] normals = null;
int currPost = -1;
int post;
int lastIdx = 0;
float[] start = new float[3];
float[] end = new float[3];
float[] tmp = new float[3];
// System.out.println("Vertices to add: " + verticesPerShape);
// Handle all but the end vertices
for (int i = 0; i < verticesPerShape; i++) {
post = geomIndicesField.get1Value(num);
// System.out.println("Getting start: " + num);
startField.get1Value(num, start);
// System.out.println("translate post: " + java.util.Arrays.toString(start));
if (post != currPost) {
X3DNode geom_node = geometryField.get1Value(post);
MFVec3f coord_field = (MFVec3f) geom_node.getField("coord");
MFInt32 index_field = (MFInt32) geom_node.getField("index");
MFVec2f texCoord_field = (MFVec2f) geom_node.getField("texCoord");
MFVec3f normal_field = (MFVec3f) geom_node.getField("normal");
indexes = new int[index_field.getSize()];
index_field.getValue(indexes);
coords = new float[coord_field.getSize() * 3];
coord_field.getValue(coords);
// System.out.println("coords: " + coords.length);
texCoords = new float[texCoord_field.getSize() * 2];
texCoord_field.getValue(texCoords);
normals = new float[normal_field.getSize() * 3];
normal_field.getValue(normals);
currPost = post;
}
sizeField.get1Value(num, size);
int highest_idx = -1;
int val;
for (int j = 0; j < indexes.length; j++) {
val = indexes[j] + lastIdx;
index[iidx++] = val;
if (val > highest_idx) highest_idx = val;
}
lastIdx = highest_idx + 1;
float offsetVal = 0;
for (int j = 0; j < coords.length / 3; j++) {
point[pidx++] = (coords[j * 3] * size[0]) + start[0];
if (offset) {
offsetField.get1Value(num, tmp);
offsetVal = tmp[1];
}
point[pidx++] = ((coords[j * 3 + 1] + 0.5f) * size[1]) + start[1] + offsetVal;
point[pidx++] = (coords[j * 3 + 2] * size[2]) + start[2];
}
num++;
}
// System.out.println("pidx: " + pidx);
// System.out.println("indexes: " + java.util.Arrays.toString(index));
// System.out.println("Points1: " + java.util.Arrays.toString(point));
if (n == shapesToCreate - 1) {
// System.out.println("Handling end vertices");
// Handle the end post
if (num > geomIndicesField.getSize() - 1) {
System.out.println("Error indexing geometry. Num: " + num);
}
post = geomIndicesField.get1Value(num);
endField.get1Value(endField.getSize() - 1, end);
if (post != currPost) {
X3DNode geom_node = geometryField.get1Value(post);
MFVec3f coord_field = (MFVec3f) geom_node.getField("coord");
MFInt32 index_field = (MFInt32) geom_node.getField("index");
MFVec2f texCoord_field = (MFVec2f) geom_node.getField("texCoord");
MFVec3f normal_field = (MFVec3f) geom_node.getField("normal");
indexes = new int[index_field.getSize()];
index_field.getValue(indexes);
coords = new float[coord_field.getSize() * 3];
coord_field.getValue(coords);
texCoords = new float[texCoord_field.getSize() * 2];
texCoord_field.getValue(texCoords);
normals = new float[normal_field.getSize() * 3];
normal_field.getValue(normals);
currPost = post;
}
sizeField.get1Value(num, size);
int highest_idx = -1;
int val;
float offsetVal = 0;
for (int j = 0; j < indexes.length; j++) {
val = indexes[j] + lastIdx;
index[iidx++] = val;
if (val > highest_idx) highest_idx = val;
}
lastIdx = highest_idx + 1;
for (int j = 0; j < coords.length / 3; j++) {
point[pidx++] = (coords[j * 3] * size[0]) + end[0];
if (offset) {
offsetField.get1Value(num, tmp);
offsetVal = tmp[1];
}
point[pidx++] = ((coords[j * 3 + 1] + 0.5f) * size[1]) + end[1] + offsetVal;
point[pidx++] = (coords[j * 3 + 2] * size[2]) + end[2];
}
// System.out.println("pidx: " + pidx);
// System.out.println("Points2: " + java.util.Arrays.toString(point));
// System.out.println("Index: " + java.util.Arrays.toString(index));
}
// System.out.println("TexCoord: " + java.util.Arrays.toString(tc));
if (CREATE_POSTS) {
point_field.setValue(point.length / 3, point);
tcpoint_field.setValue(texCoords.length / 2, texCoords);
vector_field.setValue(normals.length / 3, normals);
its_coord.setValue(coord);
its_texcoord.setValue(texcoord);
its_index.setValue(index.length, index);
shape_geometry.setValue(its);
}
// System.out.println("Add vertex shape to: " + (shape_idx) + " size: " + ret_val.length);
ret_val[shape_idx++] = shape;
}
return ret_val;
}
