@Override
public void update() {
super.update();
update(values, gridUS, gridVS);
for (int gridIndex = 0; gridIndex < gridSizes.length; gridIndex++) {
SFArray<SFValuenf> arrayValues = getArray().getPrimitiveData(gridIndex);
SFRectangularGrid<Integer> indices = this.indices[gridIndex];
if (this.values.getWidth() == indices.getWidth()) {
for (int i = 0; i < indices.getWidth(); i++) {
for (int j = 0; j < indices.getHeight(); j++) {
arrayValues.setElement(indices.getValue(j, i), values.getValue(j, i)[gridIndex]);
}
}
} else {
for (int i = 0; i < indices.getWidth(); i++) {
for (int j = 0; j < indices.getHeight(); j++) {
int bigI = i * (values.getWidth() - 1);
int bigJ = j * (values.getHeight() - 1);
int iValues = bigI / (indices.getWidth() - 1);
int jValues = bigJ / (indices.getHeight() - 1);
int iresidual = bigI - iValues * (indices.getWidth() - 1);
int jresidual = bigJ - jValues * (indices.getHeight() - 1);
if (iresidual == 0 && jresidual == 0) {
arrayValues.setElement(
indices.getValue(j, i), values.getValue(jValues, iValues)[gridIndex]);
} else {
int jPlus = jValues + 1;
int iPlus = iValues + 1;
if (jresidual == 0) jPlus = jValues;
if (iresidual == 0) iPlus = iValues;
SFValuenf value00 = values.getValue(jValues, iValues)[gridIndex];
SFValuenf value01 = values.getValue(jValues, iPlus)[gridIndex];
SFValuenf value10 = values.getValue(jPlus, iValues)[gridIndex];
SFValuenf value11 = values.getValue(jPlus, iPlus)[gridIndex];
float U = (iresidual * 1.0f) / (indices.getWidth() - 1);
float V = (jresidual * 1.0f) / (indices.getHeight() - 1);
SFValuenf interpolatedValue = new SFValuenf(value00);
interpolatedValue.mult((1 - U) * (1 - V));
interpolatedValue.addMult(U * (1 - V), value10);
interpolatedValue.addMult(V * (1 - U), value01);
interpolatedValue.addMult(V * U, value11);
arrayValues.setElement(indices.getValue(j, i), interpolatedValue);
}
}
}
}
}
SFGridEngine.correctValues(getMesh());
}
@Override
@SuppressWarnings("unchecked")
public void compile() {
super.compile();
gridSizes = new int[primitive.getGridsCount()];
maxGridSize = SFGeometryEngine.getMaxGridsSize(primitive, gridSizes);
int primitivesSize =
((quadsGrid.getNu() - 1) * (quadsGrid.getNv() - 1)) << (primitive.isQuad() ? 0 : 1);
int primitiveIndex = getArray().generateElements(primitivesSize);
SFValuenf[] samples = new SFValuenf[gridSizes.length];
indices = (SFRectangularGrid<Integer>[]) (new SFRectangularGrid<?>[gridSizes.length]);
for (int gridIndex = 0; gridIndex < gridSizes.length; gridIndex++) {
SFPipelineGrid pipelineGrid = primitive.getGrid(gridIndex);
int n1 = gridSizes[gridIndex] - 1;
int width = SFQuadsGrid.getPartitionedSplitsSize(n1, quadsGrid.getNu());
int height = SFQuadsGrid.getPartitionedSplitsSize(n1, quadsGrid.getNv());
SFRectangularGrid<Integer> indices = new SFRectangularGrid<Integer>(width, height);
this.indices[gridIndex] = indices;
SFArray<SFValuenf> arrayValues = getArray().getPrimitiveData(gridIndex);
arrayValues.generateElements(width * height);
samples[gridIndex] = arrayValues.generateSample();
SFGridEngine.generateIndices(indices);
if (quadsGrid.isCloseU() || quadsGrid.isCloseV()) {
SFGridEngine.closeRectangle(
indices, quadsGrid.isCloseU() ? 1 : 0, quadsGrid.isCloseV() ? 1 : 0);
}
SFQuadrilateralGrid<Integer>[] quads =
SFGridEngine.breakRectangularGrid(indices, pipelineGrid.getN());
if (pipelineGrid.isTriangular()) {
SFTriangularGrid<Integer>[] triangles =
(SFTriangularGrid<Integer>[]) SFGridEngine.sliceQuads(quads);
SFGridEngine.loadPrimitiveIndices(getArray(), primitiveIndex, gridIndex, triangles);
} else {
SFGridEngine.loadPrimitiveIndices(getArray(), primitiveIndex, gridIndex, quads);
}
}
int n1 = maxGridSize - 1;
float stepn1 = 1.0f / n1;
this.gridVS = quadsGrid.generatePartitionedSplits(n1, stepn1, quadsGrid.getV_splits());
this.gridUS = quadsGrid.generatePartitionedSplits(n1, stepn1, quadsGrid.getU_splits());
values = new SFRectangularGrid<SFValuenf[]>(gridUS.length, gridVS.length);
for (int i = 0; i < gridUS.length; i++) {
for (int j = 0; j < gridVS.length; j++) {
SFValuenf[] samplesList = new SFValuenf[samples.length];
for (int j2 = 0; j2 < samples.length; j2++) {
samplesList[j2] = samples[j2].cloneValue();
}
values.setValue(j, i, samplesList);
}
}
}
