public void display() {
/*
pushMatrix();
noStroke();
float[] matrix = modelViewMatrix.array();
translate(matrix[3], matrix[7], 0);
rotateZ(matrix[0]);
fill(col);
sphere(30);
stroke(0);
line(0, 0, 0, 0, 50, 0);
popMatrix();
*/
pushMatrix();
noStroke();
float[] matrix = modelViewMatrix.array();
translate(matrix[12], matrix[13], matrix[14]);
rotateY(acos(matrix[0]));
fill(col);
sphere(30);
stroke(0);
// line(0, 0, 0, 0, 0, 50);
popMatrix();
}
public void drag(int x, int y) {
float[] matrix = modelViewMatrix.array();
// println(matrix[12] + " " + matrix[13] + " " + matrix[14] + " " );
matrix[12] = x;
matrix[14] = -y;
// println(matrix[12] + " " + matrix[13] + " " + matrix[14] + " " );
}
protected float[] getMatrixFloat(FloatBuffer b) {
if (pmvMatrix.usesBackingArray()) {
return b.array();
} else {
int p = b.position();
float[] pm = new float[16];
b.get(pm, p, 16);
b.position(p);
return pm;
}
}
@Override
public void record(Buffer... samples) throws Exception {
if (audio_st == null) {
throw new Exception(
"No audio output stream (Is audioChannels > 0 and has start() been called?)");
}
int ret;
int inputSize = samples[0].limit() - samples[0].position();
int inputFormat = AV_SAMPLE_FMT_NONE;
int inputChannels = samples.length > 1 ? 1 : audioChannels;
int inputDepth = 0;
int outputFormat = audio_c.sample_fmt();
int outputChannels = samples_out.length > 1 ? 1 : audioChannels;
int outputDepth = av_get_bytes_per_sample(outputFormat);
if (samples[0] instanceof ByteBuffer) {
inputFormat = samples.length > 1 ? AV_SAMPLE_FMT_U8P : AV_SAMPLE_FMT_U8;
inputDepth = 1;
for (int i = 0; i < samples.length; i++) {
ByteBuffer b = (ByteBuffer) samples[i];
if (samples_in[i] instanceof BytePointer
&& samples_in[i].capacity() >= inputSize
&& b.hasArray()) {
((BytePointer) samples_in[i]).position(0).put(b.array(), b.position(), inputSize);
} else {
samples_in[i] = new BytePointer(b);
}
}
} else if (samples[0] instanceof ShortBuffer) {
inputFormat = samples.length > 1 ? AV_SAMPLE_FMT_S16P : AV_SAMPLE_FMT_S16;
inputDepth = 2;
for (int i = 0; i < samples.length; i++) {
ShortBuffer b = (ShortBuffer) samples[i];
if (samples_in[i] instanceof ShortPointer
&& samples_in[i].capacity() >= inputSize
&& b.hasArray()) {
((ShortPointer) samples_in[i])
.position(0)
.put(b.array(), samples[i].position(), inputSize);
} else {
samples_in[i] = new ShortPointer(b);
}
}
} else if (samples[0] instanceof IntBuffer) {
inputFormat = samples.length > 1 ? AV_SAMPLE_FMT_S32P : AV_SAMPLE_FMT_S32;
inputDepth = 4;
for (int i = 0; i < samples.length; i++) {
IntBuffer b = (IntBuffer) samples[i];
if (samples_in[i] instanceof IntPointer
&& samples_in[i].capacity() >= inputSize
&& b.hasArray()) {
((IntPointer) samples_in[i]).position(0).put(b.array(), samples[i].position(), inputSize);
} else {
samples_in[i] = new IntPointer(b);
}
}
} else if (samples[0] instanceof FloatBuffer) {
inputFormat = samples.length > 1 ? AV_SAMPLE_FMT_FLTP : AV_SAMPLE_FMT_FLT;
inputDepth = 4;
for (int i = 0; i < samples.length; i++) {
FloatBuffer b = (FloatBuffer) samples[i];
if (samples_in[i] instanceof FloatPointer
&& samples_in[i].capacity() >= inputSize
&& b.hasArray()) {
((FloatPointer) samples_in[i]).position(0).put(b.array(), b.position(), inputSize);
} else {
samples_in[i] = new FloatPointer(b);
}
}
} else if (samples[0] instanceof DoubleBuffer) {
inputFormat = samples.length > 1 ? AV_SAMPLE_FMT_DBLP : AV_SAMPLE_FMT_DBL;
inputDepth = 8;
for (int i = 0; i < samples.length; i++) {
DoubleBuffer b = (DoubleBuffer) samples[i];
if (samples_in[i] instanceof DoublePointer
&& samples_in[i].capacity() >= inputSize
&& b.hasArray()) {
((DoublePointer) samples_in[i]).position(0).put(b.array(), b.position(), inputSize);
} else {
samples_in[i] = new DoublePointer(b);
}
}
} else {
throw new Exception("Audio samples Buffer has unsupported type: " + samples);
}
if (samples_convert_ctx == null) {
samples_convert_ctx =
swr_alloc_set_opts(
null,
audio_c.channel_layout(),
outputFormat,
audio_c.sample_rate(),
audio_c.channel_layout(),
inputFormat,
audio_c.sample_rate(),
0,
null);
if (samples_convert_ctx == null) {
throw new Exception("swr_alloc_set_opts() error: Cannot allocate the conversion context.");
} else if ((ret = swr_init(samples_convert_ctx)) < 0) {
throw new Exception(
"swr_init() error " + ret + ": Cannot initialize the conversion context.");
}
}
for (int i = 0; i < samples.length; i++) {
samples_in[i]
.position(samples_in[i].position() * inputDepth)
.limit((samples_in[i].position() + inputSize) * inputDepth);
}
while (samples_in[0].position() < samples_in[0].limit()) {
int inputCount =
(samples_in[0].limit() - samples_in[0].position()) / (inputChannels * inputDepth);
int outputCount =
(samples_out[0].limit() - samples_out[0].position()) / (outputChannels * outputDepth);
int count = Math.min(inputCount, outputCount);
for (int i = 0; i < samples.length; i++) {
samples_in_ptr.put(i, samples_in[i]);
}
for (int i = 0; i < samples_out.length; i++) {
samples_out_ptr.put(i, samples_out[i]);
}
if ((ret = swr_convert(samples_convert_ctx, samples_out_ptr, count, samples_in_ptr, count))
< 0) {
throw new Exception("swr_convert() error " + ret + ": Cannot convert audio samples.");
}
for (int i = 0; i < samples.length; i++) {
samples_in[i].position(samples_in[i].position() + ret * inputChannels * inputDepth);
}
for (int i = 0; i < samples_out.length; i++) {
samples_out[i].position(samples_out[i].position() + ret * outputChannels * outputDepth);
}
if (samples_out[0].position() >= samples_out[0].limit()) {
frame.nb_samples(audio_input_frame_size);
avcodec_fill_audio_frame(
frame, audio_c.channels(), outputFormat, samples_out[0], samples_out[0].limit(), 0);
for (int i = 0; i < samples_out.length; i++) {
frame.data(i, samples_out[i].position(0));
frame.linesize(i, samples_out[i].limit());
}
frame.quality(audio_c.global_quality());
record(frame);
}
}
return;
}
/**
* Specific method for skinning with tangents to avoid cluttering the classic skinning calculation
* with null checks that would slow down the process even if tangents don't have to be computed.
* Also the iteration has additional indexes since tangent has 4 components instead of 3 for pos
* and norm
*
* @param maxWeightsPerVert maximum number of weights per vertex
* @param mesh the mesh
* @param offsetMatrices the offsetMaytrices to apply
* @param tb the tangent vertexBuffer
*/
private void applySkinningTangents(Mesh mesh, Matrix4f[] offsetMatrices, VertexBuffer tb) {
int maxWeightsPerVert = mesh.getMaxNumWeights();
if (maxWeightsPerVert <= 0) {
throw new IllegalStateException("Max weights per vert is incorrectly set!");
}
int fourMinusMaxWeights = 4 - maxWeightsPerVert;
// NOTE: This code assumes the vertex buffer is in bind pose
// resetToBind() has been called this frame
VertexBuffer vb = mesh.getBuffer(Type.Position);
FloatBuffer fvb = (FloatBuffer) vb.getData();
fvb.rewind();
VertexBuffer nb = mesh.getBuffer(Type.Normal);
FloatBuffer fnb = (FloatBuffer) nb.getData();
fnb.rewind();
FloatBuffer ftb = (FloatBuffer) tb.getData();
ftb.rewind();
// get boneIndexes and weights for mesh
ByteBuffer ib = (ByteBuffer) mesh.getBuffer(Type.BoneIndex).getData();
FloatBuffer wb = (FloatBuffer) mesh.getBuffer(Type.BoneWeight).getData();
ib.rewind();
wb.rewind();
float[] weights = wb.array();
byte[] indices = ib.array();
int idxWeights = 0;
TempVars vars = TempVars.get();
float[] posBuf = vars.skinPositions;
float[] normBuf = vars.skinNormals;
float[] tanBuf = vars.skinTangents;
int iterations = (int) FastMath.ceil(fvb.capacity() / ((float) posBuf.length));
int bufLength = 0;
int tanLength = 0;
for (int i = iterations - 1; i >= 0; i--) {
// read next set of positions and normals from native buffer
bufLength = Math.min(posBuf.length, fvb.remaining());
tanLength = Math.min(tanBuf.length, ftb.remaining());
fvb.get(posBuf, 0, bufLength);
fnb.get(normBuf, 0, bufLength);
ftb.get(tanBuf, 0, tanLength);
int verts = bufLength / 3;
int idxPositions = 0;
// tangents has their own index because of the 4 components
int idxTangents = 0;
// iterate vertices and apply skinning transform for each effecting bone
for (int vert = verts - 1; vert >= 0; vert--) {
float nmx = normBuf[idxPositions];
float vtx = posBuf[idxPositions++];
float nmy = normBuf[idxPositions];
float vty = posBuf[idxPositions++];
float nmz = normBuf[idxPositions];
float vtz = posBuf[idxPositions++];
float tnx = tanBuf[idxTangents++];
float tny = tanBuf[idxTangents++];
float tnz = tanBuf[idxTangents++];
// skipping the 4th component of the tangent since it doesn't have to be transformed
idxTangents++;
float rx = 0, ry = 0, rz = 0, rnx = 0, rny = 0, rnz = 0, rtx = 0, rty = 0, rtz = 0;
for (int w = maxWeightsPerVert - 1; w >= 0; w--) {
float weight = weights[idxWeights];
Matrix4f mat = offsetMatrices[indices[idxWeights++]];
rx += (mat.m00 * vtx + mat.m01 * vty + mat.m02 * vtz + mat.m03) * weight;
ry += (mat.m10 * vtx + mat.m11 * vty + mat.m12 * vtz + mat.m13) * weight;
rz += (mat.m20 * vtx + mat.m21 * vty + mat.m22 * vtz + mat.m23) * weight;
rnx += (nmx * mat.m00 + nmy * mat.m01 + nmz * mat.m02) * weight;
rny += (nmx * mat.m10 + nmy * mat.m11 + nmz * mat.m12) * weight;
rnz += (nmx * mat.m20 + nmy * mat.m21 + nmz * mat.m22) * weight;
rtx += (tnx * mat.m00 + tny * mat.m01 + tnz * mat.m02) * weight;
rty += (tnx * mat.m10 + tny * mat.m11 + tnz * mat.m12) * weight;
rtz += (tnx * mat.m20 + tny * mat.m21 + tnz * mat.m22) * weight;
}
idxWeights += fourMinusMaxWeights;
idxPositions -= 3;
normBuf[idxPositions] = rnx;
posBuf[idxPositions++] = rx;
normBuf[idxPositions] = rny;
posBuf[idxPositions++] = ry;
normBuf[idxPositions] = rnz;
posBuf[idxPositions++] = rz;
idxTangents -= 4;
tanBuf[idxTangents++] = rtx;
tanBuf[idxTangents++] = rty;
tanBuf[idxTangents++] = rtz;
// once again skipping the 4th component of the tangent
idxTangents++;
}
fvb.position(fvb.position() - bufLength);
fvb.put(posBuf, 0, bufLength);
fnb.position(fnb.position() - bufLength);
fnb.put(normBuf, 0, bufLength);
ftb.position(ftb.position() - tanLength);
ftb.put(tanBuf, 0, tanLength);
}
vars.release();
vb.updateData(fvb);
nb.updateData(fnb);
tb.updateData(ftb);
}
public void checkThirtyDegreeRule(
ArrayList<Cam> cameras, ArrayList<Character> characters, int selectedIdx) {
if (cameras == null || cameras.isEmpty()) {
println("No cameras in the scene!");
}
if (characters.size() != 2) {
println("Only two characters supported for now");
// TODO (sanjeet): Hack! Fix this once more characters are allowed
}
Cam selectedCamera = cameras.get(selectedIdx);
// TODO The characters.get results in a runtime error because there aren't currently any
// characters allocated in the input file.
Character ch1 = characters.get(0);
Character ch2 = characters.get(1);
// Obtaining (x,y,z) for characters and selected camera
PVector ch1Location = ch1.getTranslation();
PVector ch2Location = ch2.getTranslation();
PVector selectedCameraLocation = selectedCamera.getTranslation();
PVector cameraPoint = new PVector();
cameraPoint.add(selectedCameraLocation);
for (int i = 0; i < 100; i++) {
cameraPoint.add(selectedCamera.getZAxis());
}
PVector intersection =
getTwoLinesIntersection(
new PVector(ch1Location.x, ch1Location.z),
new PVector(ch2Location.x, ch2Location.z),
new PVector(selectedCameraLocation.x, selectedCameraLocation.z),
new PVector(cameraPoint.x, cameraPoint.z));
PVector diff = PVector.sub(selectedCameraLocation, intersection);
diff.normalize();
FloatBuffer fb = selectedCamera.modelViewMatrix;
float[] mat = fb.array();
float[] fbMatrix = new float[mat.length];
for (int i = 0; i < fbMatrix.length; i++) {
fbMatrix[i] = mat[i];
}
fbMatrix[0] = -diff.x;
fbMatrix[1] = diff.y;
fbMatrix[2] = -diff.z;
fbMatrix[9] = diff.x;
fbMatrix[10] = diff.y;
fbMatrix[11] = diff.z;
fbMatrix[13] = intersection.x;
fbMatrix[14] = intersection.y;
fbMatrix[15] = intersection.z;
PMatrix3D matrix = new PMatrix3D();
matrix.set(fbMatrix);
matrix.transpose();
pushMatrix();
applyMatrix(matrix);
rotateY(radians(30));
line(0, 0, 0, 0, 0, 1000);
rotateY(radians(-2 * 30));
line(0, 0, 0, 0, 0, 1000);
popMatrix();
for (int i = 0; i < cameras.size(); i++) {
if (i == selectedIdx) {
continue;
}
if (!cameras.get(i).isInView(ch1Location) && !cameras.get(i).isInView(ch2Location)) {
continue;
}
PVector currCamLocation = cameras.get(i).getTranslation();
PVector vect1 = PVector.sub(currCamLocation, intersection);
PVector vect2 = PVector.sub(selectedCameraLocation, intersection);
float dotP = vect1.dot(vect2) / (vect1.mag() * vect2.mag());
if (acos(dotP) <= PI / 6) {
cameras.get(i).setColor(255, 0, 0);
} else {
cameras.get(i).setColor(0, 0, 255);
}
}
}
public void drag(int x, int y) {
float[] matrix = modelViewMatrix.array();
matrix[12] = x;
matrix[14] = -y;
}
public void display() {
pushMatrix();
// println("Yo! Camera!");
// printCamera();
//
// println("BAH! Modelview!");
// printMatrix();
stroke(0);
// lights();
// translate(160, 160, 0);
float[] matrix = modelViewMatrix.array();
// translate(matrix[12], matrix[13], matrix[14]);
// rotateY(acos(matrix[0]));
// rotateX(asin(matrix[1]));
PMatrix3D myMatrix;
myMatrix = new PMatrix3D();
myMatrix.set(matrix);
/*
println("GAA! Transform Matrix");
for (int i=0;i<16;i++){
print(matrix[i]);
print (" ");
if ((i+1)%4==0)
println("");
}
println("");
*/
myMatrix.transpose();
applyMatrix(myMatrix);
/* a and d stuff
println("HRMPF! DrawPosition");
printMatrix();
//rotAngle should be 0 and grow by pressing a and shrink by pressing d
rotateY(rotAngle);
PMatrix3D anotherMatrix=new PMatrix3D();
getMatrix(anotherMatrix);
//actually new global transformation for your camera:
globalTransform = anotherMatrix * foRealCameraMatrix.invert();
*/
line(0, 0, 0, 0, 0, 100);
fill(col);
box(boxScale);
if (isSelected) {
rotateY(radians(fov));
line(0, 0, 0, 0, 0, 1000);
rotateY(radians(-2 * fov));
line(0, 0, 0, 0, 0, 1000);
}
if (false) {
// float[] matrix1 = modelViewMatrix.array();
fill(color(255, 0, 255));
ellipse(matrix[12], -matrix[14], 20, 20);
}
popMatrix();
}