private static void loadTransformable(Transformable transformable) throws IOException {
loadObject3D(transformable);
if (readBoolean()) // hasComponentTransform
{
float tx = readFloat();
float ty = readFloat();
float tz = readFloat();
transformable.setTranslation(tx, ty, tz);
float sx = readFloat();
float sy = readFloat();
float sz = readFloat();
transformable.setScale(sx, sy, sz);
float angle = readFloat();
float ax = readFloat();
float ay = readFloat();
float az = readFloat();
transformable.setOrientation(angle, ax, ay, az);
}
if (readBoolean()) // hasGeneralTransform
{
Transform t = new Transform();
t.set(readMatrix());
transformable.setTransform(t);
}
}
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;
}