/**
* Constructor
*
* @param state
*/
public Grid(GridState state) {
super(state.name);
this.state = state;
this.cellSize = state.size;
this.color = state.color;
this.lineWidth = state.lineWidth;
offset = new Vector3();
setLocation(state.location, false);
lattice = new HiddenLine("_lattice", IndexMode.Lines);
SpatialUtil.setPickHost(lattice, this);
lattice.setColor(color);
lattice.setModelBound(new BoundingBox());
MaterialState ms = new MaterialState();
ms.setColorMaterial(ColorMaterial.Emissive);
ms.setColorMaterialFace(MaterialState.MaterialFace.FrontAndBack);
ms.setEnabled(true);
text = new Node("_text");
text.getSceneHints().setLightCombineMode(LightCombineMode.Off);
text.getSceneHints().setPickingHint(PickingHint.Pickable, false);
text.setRenderState(ms);
setLabelVisible(state.labelVisible);
attachChild(lattice);
attachChild(text);
setVisible(state.visible);
setPinned(state.pinned);
state.setMapElement(this);
}
/**
* Set the color
*
* @param color
*/
public void setColor(ReadOnlyColorRGBA color) {
this.color.set(color);
MaterialState ms = new MaterialState();
this.color.setAlpha(0.3f);
ms.setDiffuse(MaterialState.MaterialFace.FrontAndBack, this.color);
ms.setAmbient(MaterialState.MaterialFace.FrontAndBack, ColorRGBA.BLACK);
ms.setEmissive(MaterialState.MaterialFace.FrontAndBack, this.color);
ms.setEnabled(true);
setRenderState(ms);
}
private void addMesh(final Spatial spatial) {
spatial.setTranslation(
(index % wrapCount) * 8 - wrapCount * 4, (index / wrapCount) * 8 - wrapCount * 4, -50);
if (spatial instanceof Mesh) {
((Mesh) spatial).updateModelBound();
}
final MaterialState ms = new MaterialState();
ms.setAmbient(ColorRGBA.DARK_GRAY);
spatial.setRenderState(ms);
_root.attachChild(spatial);
index++;
}
/**
* Constructor
*
* @param color
*/
public SimpleCrosshair(ReadOnlyColorRGBA color) {
super("Crosshair");
ReadOnlyColorRGBA[] crosshairColor = {color, color, color, color};
getMeshData().setIndexMode(IndexMode.Lines);
getMeshData().setVertexBuffer(BufferUtils.createFloatBuffer(crosshairVertex));
FloatBuffer colorBuffer = BufferUtils.createFloatBuffer(crosshairColor);
colorBuffer.rewind();
getMeshData().setColorBuffer(colorBuffer);
getMeshData().setIndexBuffer(BufferUtils.createIntBuffer(crosshairIndex));
getMeshData().getIndexBuffer().limit(4);
getMeshData().getIndexBuffer().rewind();
getSceneHints().setAllPickingHints(false);
setModelBound(new BoundingBox());
updateModelBound();
MaterialState crosshairMaterialState = new MaterialState();
crosshairMaterialState.setColorMaterial(MaterialState.ColorMaterial.Emissive);
crosshairMaterialState.setEnabled(true);
getSceneHints().setLightCombineMode(LightCombineMode.Off);
setRenderState(crosshairMaterialState);
updateGeometricState(0, true);
}
/**
* Find and apply the given material to the given Mesh.
*
* @param materialName our material name
* @param mesh the mesh to apply material to.
*/
public void applyMaterial(final String materialName, final Mesh mesh) {
if (materialName == null) {
logger.warning("materialName is null");
return;
}
Element mat = _dataCache.getBoundMaterial(materialName);
if (mat == null) {
logger.warning("material not bound: " + materialName + ", trying search with id.");
mat = _colladaDOMUtil.findTargetWithId(materialName);
}
if (mat == null || !"material".equals(mat.getName())) {
logger.warning("material not found: " + materialName);
return;
}
final String originalMaterial = mat.getAttributeValue("id");
MaterialInfo mInfo = null;
if (!_dataCache.getMaterialInfoMap().containsKey(originalMaterial)) {
mInfo = new MaterialInfo();
mInfo.setMaterialName(originalMaterial);
_dataCache.getMaterialInfoMap().put(originalMaterial, mInfo);
}
_dataCache.getMeshMaterialMap().put(mesh, originalMaterial);
final Element child = mat.getChild("instance_effect");
final Element effectNode = _colladaDOMUtil.findTargetWithId(child.getAttributeValue("url"));
if (effectNode == null) {
logger.warning(
"material effect not found: "
+ mat.getChild("instance_material").getAttributeValue("url"));
return;
}
if ("effect".equals(effectNode.getName())) {
/*
* temp cache for textures, we do not want to add textures twice (for example, transparant map might point
* to diffuse texture)
*/
final HashMap<String, Texture> loadedTextures = new HashMap<String, Texture>();
final Element effect = effectNode;
// XXX: For now, just grab the common technique:
if (effect.getChild("profile_COMMON") != null) {
if (mInfo != null) {
mInfo.setProfile("COMMON");
}
final Element technique = effect.getChild("profile_COMMON").getChild("technique");
String type = "blinn";
if (technique.getChild(type) == null) {
type = "phong";
if (technique.getChild(type) == null) {
type = "lambert";
if (technique.getChild(type) == null) {
type = "constant";
if (technique.getChild(type) == null) {
ColladaMaterialUtils.logger.warning(
"COMMON material has unusuable techinque. " + child.getAttributeValue("url"));
return;
}
}
}
}
final Element blinnPhongLambert = technique.getChild(type);
if (mInfo != null) {
mInfo.setTechnique(type);
}
final MaterialState mState = new MaterialState();
// TODO: implement proper transparency handling
Texture diffuseTexture = null;
ColorRGBA transparent = new ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
float transparency = 1.0f;
boolean useTransparency = false;
String opaqueMode = "A_ONE";
/*
* place holder for current property, we import material properties in fixed order (for texture order)
*/
Element property = null;
/* Diffuse property */
property = blinnPhongLambert.getChild("diffuse");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("color".equals(propertyValue.getName())) {
final ColorRGBA color = _colladaDOMUtil.getColor(propertyValue.getText());
mState.setDiffuse(MaterialFace.FrontAndBack, color);
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
diffuseTexture =
populateTextureState(mesh, propertyValue, effect, loadedTextures, mInfo, "diffuse");
}
}
/* Ambient property */
property = blinnPhongLambert.getChild("ambient");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("color".equals(propertyValue.getName())) {
final ColorRGBA color = _colladaDOMUtil.getColor(propertyValue.getText());
mState.setAmbient(MaterialFace.FrontAndBack, color);
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
populateTextureState(mesh, propertyValue, effect, loadedTextures, mInfo, "ambient");
}
}
/* Transparent property */
property = blinnPhongLambert.getChild("transparent");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("color".equals(propertyValue.getName())) {
transparent = _colladaDOMUtil.getColor(propertyValue.getText());
// TODO: use this
useTransparency = true;
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
populateTextureState(mesh, propertyValue, effect, loadedTextures, mInfo, "transparent");
}
opaqueMode = property.getAttributeValue("opaque", "A_ONE");
}
/* Transparency property */
property = blinnPhongLambert.getChild("transparency");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("float".equals(propertyValue.getName())) {
transparency = Float.parseFloat(propertyValue.getText().replace(",", "."));
// TODO: use this
if (_flipTransparency) {
transparency = 1f - transparency;
}
useTransparency = true;
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
populateTextureState(
mesh, propertyValue, effect, loadedTextures, mInfo, "transparency");
}
}
/* Emission property */
property = blinnPhongLambert.getChild("emission");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("color".equals(propertyValue.getName())) {
mState.setEmissive(
MaterialFace.FrontAndBack, _colladaDOMUtil.getColor(propertyValue.getText()));
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
populateTextureState(mesh, propertyValue, effect, loadedTextures, mInfo, "emissive");
}
}
/* Specular property */
property = blinnPhongLambert.getChild("specular");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("color".equals(propertyValue.getName())) {
mState.setSpecular(
MaterialFace.FrontAndBack, _colladaDOMUtil.getColor(propertyValue.getText()));
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
populateTextureState(mesh, propertyValue, effect, loadedTextures, mInfo, "specular");
}
}
/* Shininess property */
property = blinnPhongLambert.getChild("shininess");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("float".equals(propertyValue.getName())) {
float shininess = Float.parseFloat(propertyValue.getText().replace(",", "."));
if (shininess >= 0.0f && shininess <= 1.0f) {
final float oldShininess = shininess;
shininess *= 128;
logger.finest(
"Shininess - "
+ oldShininess
+ " - was in the [0,1] range. Scaling to [0, 128] - "
+ shininess);
} else if (shininess < 0 || shininess > 128) {
final float oldShininess = shininess;
shininess = MathUtils.clamp(shininess, 0, 128);
logger.warning(
"Shininess must be between 0 and 128. Shininess "
+ oldShininess
+ " was clamped to "
+ shininess);
}
mState.setShininess(MaterialFace.FrontAndBack, shininess);
} else if ("texture".equals(propertyValue.getName()) && _loadTextures) {
populateTextureState(mesh, propertyValue, effect, loadedTextures, mInfo, "shininess");
}
}
/* Reflectivity property */
float reflectivity = 1.0f;
property = blinnPhongLambert.getChild("reflectivity");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("float".equals(propertyValue.getName())) {
reflectivity = Float.parseFloat(propertyValue.getText().replace(",", "."));
}
}
/* Reflective property. Texture only */
property = blinnPhongLambert.getChild("reflective");
if (property != null) {
final Element propertyValue = (Element) property.getChildren().get(0);
if ("texture".equals(propertyValue.getName()) && _loadTextures) {
final Texture reflectiveTexture =
populateTextureState(
mesh, propertyValue, effect, loadedTextures, mInfo, "reflective");
reflectiveTexture.setEnvironmentalMapMode(Texture.EnvironmentalMapMode.SphereMap);
reflectiveTexture.setApply(ApplyMode.Combine);
reflectiveTexture.setCombineFuncRGB(CombinerFunctionRGB.Interpolate);
// color 1
reflectiveTexture.setCombineSrc0RGB(CombinerSource.CurrentTexture);
reflectiveTexture.setCombineOp0RGB(CombinerOperandRGB.SourceColor);
// color 2
reflectiveTexture.setCombineSrc1RGB(CombinerSource.Previous);
reflectiveTexture.setCombineOp1RGB(CombinerOperandRGB.SourceColor);
// interpolate param will come from alpha of constant color
reflectiveTexture.setCombineSrc2RGB(CombinerSource.Constant);
reflectiveTexture.setCombineOp2RGB(CombinerOperandRGB.SourceAlpha);
reflectiveTexture.setConstantColor(new ColorRGBA(1, 1, 1, reflectivity));
}
}
/*
* An extra tag defines some materials not part of the collada standard. Since we're not able to parse
* we simply extract the textures from the element (such that shaders etc can at least pick up on them)
*/
property = technique.getChild("extra");
if (property != null) {
getTexturesFromElement(mesh, property, effect, loadedTextures, mInfo);
}
// XXX: There are some issues with clarity on how to use alpha blending in OpenGL FFP.
// The best interpretation I have seen is that if transparent has a texture == diffuse,
// Turn on alpha blending and use diffuse alpha.
// check to make sure we actually need this.
// testing separately for a transparency of 0.0 is to hack around erroneous exports, since
// usually
// there is no use in exporting something with 100% transparency.
if ("A_ONE".equals(opaqueMode) && ColorRGBA.WHITE.equals(transparent) && transparency == 1.0
|| transparency == 0.0) {
useTransparency = false;
}
if (useTransparency) {
if (diffuseTexture != null) {
final BlendState blend = new BlendState();
blend.setBlendEnabled(true);
blend.setTestEnabled(true);
blend.setSourceFunction(BlendState.SourceFunction.SourceAlpha);
blend.setDestinationFunction(BlendState.DestinationFunction.OneMinusSourceAlpha);
mesh.setRenderState(blend);
} else {
final BlendState blend = new BlendState();
blend.setBlendEnabled(true);
blend.setTestEnabled(true);
transparent.setAlpha(transparent.getAlpha() * transparency);
blend.setConstantColor(transparent);
blend.setSourceFunction(BlendState.SourceFunction.ConstantAlpha);
blend.setDestinationFunction(BlendState.DestinationFunction.OneMinusConstantAlpha);
mesh.setRenderState(blend);
}
mesh.getSceneHints().setRenderBucketType(RenderBucketType.Transparent);
}
if (mInfo != null) {
if (useTransparency) {
mInfo.setUseTransparency(useTransparency);
if (diffuseTexture == null) {
mInfo.setTransparency(transparent.getAlpha() * transparency);
}
}
mInfo.setMaterialState(mState);
}
mesh.setRenderState(mState);
}
} else {
ColladaMaterialUtils.logger.warning(
"material effect not found: "
+ mat.getChild("instance_material").getAttributeValue("url"));
}
}
@Override
protected void initExample() {
_canvas.setTitle("Various size imposters - Example");
_canvas.getCanvasRenderer().getCamera().setLocation(new Vector3(0, 60, 80));
_canvas.getCanvasRenderer().getCamera().lookAt(new Vector3(), Vector3.UNIT_Y);
final BasicText keyText =
BasicText.createDefaultTextLabel("Text", "[SPACE] Switch imposters off");
keyText.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
keyText.getSceneHints().setLightCombineMode(LightCombineMode.Off);
keyText.setTranslation(new Vector3(0, 20, 0));
_root.attachChild(keyText);
final Box box = new Box("Box", new Vector3(), 150, 1, 150);
box.setModelBound(new BoundingBox());
box.setTranslation(new Vector3(0, -10, 0));
_root.attachChild(box);
final QuadImposterNode imposter0 =
new QuadImposterNode(
"Imposter1", 256, 256, _settings.getDepthBits(), _settings.getSamples(), _timer);
imposter0.setRedrawRate(0.0); // No timed update
imposter0.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter0.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter0);
final Node scene1 = createModel();
scene1.setTranslation(0, 0, 0);
imposter0.attachChild(scene1);
final QuadImposterNode imposter1 =
new QuadImposterNode(
"Imposter1", 128, 128, _settings.getDepthBits(), _settings.getSamples(), _timer);
imposter1.setRedrawRate(0.0); // No timed update
imposter1.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter1.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter1);
final Node scene2 = createModel();
scene2.setTranslation(-15, 0, -25);
imposter1.attachChild(scene2);
final QuadImposterNode imposter2 =
new QuadImposterNode(
"Imposter2", 64, 64, _settings.getDepthBits(), _settings.getSamples(), _timer);
imposter2.setRedrawRate(0.0); // No timed update
imposter2.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter2.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter2);
final Node scene3 = createModel();
scene3.setTranslation(15, 0, -25);
imposter2.attachChild(scene3);
_logicalLayer.registerTrigger(
new InputTrigger(
new KeyPressedCondition(Key.SPACE),
new TriggerAction() {
public void perform(
final Canvas source, final TwoInputStates inputStates, final double tpf) {
showImposter = !showImposter;
if (showImposter) {
_root.detachChild(scene1);
_root.detachChild(scene2);
_root.detachChild(scene3);
imposter0.attachChild(scene1);
imposter1.attachChild(scene2);
imposter2.attachChild(scene3);
_root.attachChild(imposter0);
_root.attachChild(imposter1);
_root.attachChild(imposter2);
keyText.setText("[SPACE] Switch imposters off");
} else {
_root.detachChild(imposter0);
_root.detachChild(imposter1);
_root.detachChild(imposter2);
_root.attachChild(scene1);
_root.attachChild(scene2);
_root.attachChild(scene3);
keyText.setText("[SPACE] Switch imposters on");
}
}
}));
final TextureState ts = new TextureState();
ts.setEnabled(true);
ts.setTexture(
TextureManager.load(
"images/ardor3d_white_256.jpg", Texture.MinificationFilter.Trilinear, true));
final MaterialState ms = new MaterialState();
ms.setColorMaterial(ColorMaterial.Diffuse);
_root.setRenderState(ms);
_root.setRenderState(ts);
_root.acceptVisitor(new UpdateModelBoundVisitor(), false);
}
/**
* Save a mesh to the given files.
*
* @param mesh mesh to export
* @param objFile WaveFront OBJ file
* @param mtlFile material file, optional
* @param append indicates whether the data are written to the end of the OBJ file
* @param firstVertexIndex first vertex index used for this mesh during the export
* @param firstFiles indicates whether the couple of files is used for the first time, i.e there
* is nothing to append despite the value of <code>append</code>
* @param materialList list of materials already exported in this material file
* @param customTextureName texture name that overrides the one of the mesh, optional
* @throws IOException
*/
protected void save(
final Mesh mesh,
final File objFile,
final File mtlFile,
final boolean append,
final int firstVertexIndex,
final boolean firstFiles,
final List<ObjMaterial> materialList,
final String customTextureName)
throws IOException {
File parentDirectory = objFile.getParentFile();
if (parentDirectory != null && !parentDirectory.exists()) {
parentDirectory.mkdirs();
}
if (mtlFile != null) {
parentDirectory = mtlFile.getParentFile();
if (parentDirectory != null && !parentDirectory.exists()) {
parentDirectory.mkdirs();
}
}
PrintWriter objPw = null, mtlPw = null;
try {
// fills the MTL file
final String mtlName;
if (mtlFile != null) {
final FileOutputStream mtlOs = new FileOutputStream(mtlFile, append);
mtlPw = new PrintWriter(new BufferedOutputStream(mtlOs));
// writes some comments
if (firstFiles) {
mtlPw.println("# Ardor3D 1.0 MTL file");
}
final ObjMaterial currentMtl = new ObjMaterial(null);
final MaterialState mtlState = (MaterialState) mesh.getLocalRenderState(StateType.Material);
if (mtlState != null) {
final ReadOnlyColorRGBA ambientColor = mtlState.getAmbient();
if (ambientColor != null) {
currentMtl.d = ambientColor.getAlpha();
currentMtl.Ka =
new float[] {
ambientColor.getRed(),
ambientColor.getGreen(),
ambientColor.getBlue(),
ambientColor.getAlpha()
};
}
final ReadOnlyColorRGBA diffuseColor = mtlState.getDiffuse();
if (diffuseColor != null) {
currentMtl.Kd =
new float[] {
diffuseColor.getRed(),
diffuseColor.getGreen(),
diffuseColor.getBlue(),
diffuseColor.getAlpha()
};
}
final ReadOnlyColorRGBA specularColor = mtlState.getSpecular();
if (specularColor != null) {
currentMtl.Ks =
new float[] {
specularColor.getRed(),
specularColor.getGreen(),
specularColor.getBlue(),
specularColor.getAlpha()
};
}
currentMtl.Ns = mtlState.getShininess();
}
if (customTextureName == null) {
currentMtl.textureName = getLocalMeshTextureName(mesh);
} else {
currentMtl.textureName = customTextureName;
}
if (mesh.getSceneHints().getLightCombineMode() == LightCombineMode.Off) {
// Color on and Ambient off
currentMtl.illumType = 0;
} else {
// Color on and Ambient on
currentMtl.illumType = 1;
}
ObjMaterial sameObjMtl = null;
if (materialList != null && !materialList.isEmpty()) {
for (final ObjMaterial mtl : materialList) {
if (mtl.illumType == currentMtl.illumType
&& mtl.Ns == currentMtl.Ns
&& mtl.forceBlend == currentMtl.forceBlend
&& mtl.d == currentMtl.d
&& Arrays.equals(mtl.Ka, currentMtl.Ka)
&& Arrays.equals(mtl.Kd, currentMtl.Kd)
&& Arrays.equals(mtl.Ks, currentMtl.Ks)
// && Objects.equals(mtl.textureName, currentMtl.textureName)) {
&& mtl.textureName.equals(currentMtl.textureName)) {
sameObjMtl = mtl;
break;
}
}
}
if (sameObjMtl == null) {
// writes the new material library
mtlName =
mtlFile.getName().trim().replaceAll(" ", "")
+ "_"
+ (materialList == null ? 1 : materialList.size() + 1);
if (materialList != null) {
final ObjMaterial mtl = new ObjMaterial(mtlName);
mtl.illumType = currentMtl.illumType;
mtl.textureName = currentMtl.textureName;
materialList.add(mtl);
}
mtlPw.println("newmtl " + mtlName);
if (currentMtl.Ns != -1) {
mtlPw.println("Ns " + currentMtl.Ns);
}
if (currentMtl.Ka != null) {
mtlPw.print("Ka");
for (final float KaCoef : currentMtl.Ka) {
mtlPw.print(" " + KaCoef);
}
mtlPw.println();
}
if (currentMtl.Kd != null) {
mtlPw.print("Kd");
for (final float KdCoef : currentMtl.Kd) {
mtlPw.print(" " + KdCoef);
}
mtlPw.println();
}
if (currentMtl.Ks != null) {
mtlPw.print("Ks");
for (final float KsCoef : currentMtl.Ks) {
mtlPw.print(" " + KsCoef);
}
mtlPw.println();
}
if (currentMtl.d != -1) {
mtlPw.println("d " + currentMtl.d);
}
mtlPw.println("illum " + currentMtl.illumType);
if (currentMtl.textureName != null) {
mtlPw.println("map_Kd " + currentMtl.textureName);
}
} else {
mtlName = sameObjMtl.getName();
}
} else {
mtlName = null;
}
final FileOutputStream objOs = new FileOutputStream(objFile, append);
objPw = new PrintWriter(new BufferedOutputStream(objOs));
// writes some comments
if (firstFiles) {
objPw.println("# Ardor3D 1.0 OBJ file");
objPw.println("# www.ardor3d.com");
// writes the material file name if any
if (mtlFile != null) {
final String mtlLibFilename = mtlFile.getName();
objPw.println("mtllib " + mtlLibFilename);
}
}
// writes the object name
final String objName;
String meshName = mesh.getName();
// removes all spaces from the mesh name
if (meshName != null && !meshName.isEmpty()) {
meshName = meshName.trim().replaceAll(" ", "");
}
if (meshName != null && !meshName.isEmpty()) {
objName = meshName;
} else {
objName = "obj_mesh" + mesh.hashCode();
}
objPw.println("o " + objName);
final MeshData meshData = mesh.getMeshData();
// writes the coordinates
final FloatBufferData verticesData = meshData.getVertexCoords();
if (verticesData == null) {
throw new IllegalArgumentException("cannot export a mesh with no vertices");
}
final int expectedTupleCount = verticesData.getTupleCount();
saveFloatBufferData(verticesData, objPw, "v", expectedTupleCount);
final FloatBufferData texCoordsData = meshData.getTextureCoords(0);
saveFloatBufferData(texCoordsData, objPw, "vt", expectedTupleCount);
final FloatBufferData normalsData = meshData.getNormalCoords();
saveFloatBufferData(normalsData, objPw, "vn", expectedTupleCount);
// writes the used material library
if (mtlFile != null) {
objPw.println("usemtl " + mtlName);
}
// writes the faces
for (int sectionIndex = 0; sectionIndex < meshData.getSectionCount(); sectionIndex++) {
final IndexMode indexMode = meshData.getIndexMode(sectionIndex);
final int[] indices = new int[indexMode.getVertexCount()];
switch (indexMode) {
case TriangleFan:
case Triangles:
case TriangleStrip:
case Quads:
for (int primIndex = 0, primCount = meshData.getPrimitiveCount(sectionIndex);
primIndex < primCount;
primIndex++) {
meshData.getPrimitiveIndices(primIndex, sectionIndex, indices);
objPw.print("f");
for (int vertexIndex = 0; vertexIndex < indices.length; vertexIndex++) {
// indices start at 1 in the WaveFront OBJ format whereas indices start at 0 in
// Ardor3D
final int shiftedIndex = indices[vertexIndex] + 1 + firstVertexIndex;
// vertex index
objPw.print(" " + shiftedIndex);
// texture coordinate index
if (texCoordsData != null) {
objPw.print("/" + shiftedIndex);
}
// normal coordinate index
if (normalsData != null) {
objPw.print("/" + shiftedIndex);
}
}
objPw.println();
}
break;
default:
throw new IllegalArgumentException("index mode " + indexMode + " not supported");
}
}
} catch (final Throwable t) {
throw new Error("Unable to save the mesh into an obj", t);
} finally {
if (objPw != null) {
objPw.flush();
objPw.close();
}
if (mtlPw != null) {
mtlPw.flush();
mtlPw.close();
}
}
}