bool vesMaterial::addAttribute(vesSharedPtr<vesMaterialAttribute> attribute)
{
if (!attribute) {
return false;
}
if (attribute->type() != vesMaterialAttribute::Texture &&
attribute->binding() == vesMaterialAttribute::BindAll) {
// Shader is a special attribute.
if (attribute->type() == vesMaterialAttribute::Shader) {
return this->setShaderProgram(std::tr1::static_pointer_cast<vesShaderProgram>(attribute));
}
// Everything else.
return this->m_internal->addAttribute(
this->m_internal->m_attributes, attribute);
}
else if(attribute->type() == vesMaterialAttribute::Texture) {
vesSharedPtr<vesTexture> texture = std::tr1::static_pointer_cast<vesTexture>(attribute);
// Cache last texture so that we can release graphics resources on it.
this->m_internal->m_textureAttributes[texture->textureUnit()] = texture;
return true;
}
else if(attribute->binding() == vesMaterialAttribute::BindMinimal)
{
return this->m_internal->addAttribute(
this->m_internal->m_minimalAttributes, attribute);
}
return false;
}
void vesKiwiDataConversionTools::GenericConvertTriangles(vtkPolyData* input,
vesSharedPtr<vesGeometryData> output)
{
vesSourceDataP3N3f::Ptr sourceData (new vesSourceDataP3N3f());
double inPoint[3];
for (int i = 0; i < input->GetNumberOfPoints(); ++i){
input->GetPoint(i, inPoint);
vesVertexDataP3N3f vertexData;
vertexData.m_position = vesVector3f(inPoint[0], inPoint[1], inPoint[2]);
sourceData->pushBack(vertexData);
}
// copy triangles in place to ves structure
vtkCellArray* polys = input->GetPolys();
vtkIdType num;
vtkIdType* vertices;
vesSharedPtr< vesIndices<T> > indicesObj =
std::tr1::static_pointer_cast< vesIndices<T> >
(output->triangles()->getVesIndices());
typename vesIndices<T>::Indices* triangleIndices
= indicesObj->indices();
triangleIndices->clear();
triangleIndices->resize(polys->GetNumberOfCells());
T* outIndex = &triangleIndices->front();
for (int i = 0; i < polys->GetNumberOfCells(); ++i)
{
// there are 4 elements for each triangle cell in the array (count, i1, i2, i3)
polys->GetCell(4*i, num, vertices);
*outIndex++ = vertices[0];
*outIndex++ = vertices[1];
*outIndex++ = vertices[2];
}
if (input->GetPointData()->GetNormals())
{
vtkDataArray* normals = input->GetPointData()->GetNormals();
for (int i = 0; i < input->GetNumberOfPoints(); ++i)
{
sourceData->arrayReference()[i].m_normal[0] = normals->GetTuple(i)[0];
sourceData->arrayReference()[i].m_normal[1] = normals->GetTuple(i)[1];
sourceData->arrayReference()[i].m_normal[2] = normals->GetTuple(i)[2];
}
}
else
{
output->computeNormals<T>();
}
output->computeBounds();
output->addSource(sourceData);
}
void vesMapper::drawPrimitive(const vesRenderState &renderState,
vesSharedPtr<vesPrimitive> primitive)
{
// Send the primitive type information out
renderState.m_material->bindRenderData(
renderState, vesRenderData(primitive->primitiveType(), this->pointSize(), this->lineWidth()));
glDrawElements(primitive->primitiveType(), primitive->numberOfIndices(),
primitive->indicesValueType(), (void*)0);
}
bool vesShaderProgram::addShader(vesSharedPtr<vesShader> shader)
{
if (!shader)
return false;
std::vector< vesSharedPtr<vesShader> >::iterator itr
= this->m_internal->m_shaders.begin();
// \todo: Memory management.
for (; itr != this->m_internal->m_shaders.end(); ++itr) {
if (shader == *itr)
return false;
if ((*itr)->shaderType() == shader->shaderType()) {
this->m_internal->m_shaders.erase(itr);
break;
}
}
this->m_internal->m_shaders.push_back(shader);
// shader->addProgramReference(this);
this->setDirtyStateOn();
return true;
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetTextureData(vtkUnsignedCharArray* pixels,
vesSharedPtr<vesTexture> texture, int width, int height)
{
assert(texture);
vesImage::Ptr image = vesKiwiDataConversionTools::ImageFromPixels(pixels, width, height);
texture->setImage(image);
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetVertexColors(vtkDataArray* scalars,
vtkScalarsToColors* scalarsToColors, vesSharedPtr<vesGeometryData> geometryData)
{
if (geometryData) {
vesSourceData::Ptr colorSourceData = ConvertScalarsToColors(scalars, scalarsToColors);
if (colorSourceData) {
geometryData->addSource(colorSourceData);
}
}
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetTextureCoordinates(vtkDataArray* tcoords,
vesSharedPtr<vesGeometryData> geometryData)
{
if (geometryData) {
vesSourceDataT2f::Ptr tcoordSourceData = ConvertTCoords(tcoords);
if (tcoordSourceData) {
geometryData->addSource(tcoordSourceData);
}
}
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetVertexColors(
vtkUnsignedCharArray* colors, vesSharedPtr<vesGeometryData> geometryData)
{
if (geometryData) {
vesSourceData::Ptr colorSourceData = ConvertColors(colors);
if (colorSourceData) {
geometryData->addSource(colorSourceData);
}
}
}
void vesMapper::drawPoints(const vesRenderState &renderState,
vesSharedPtr<vesPrimitive> points)
{
assert(this->m_geometryData);
if(points->size())
{
// Draw using indices
this->drawPrimitive(renderState, points);
}
else
{
vesSharedPtr<vesSourceData> data =
m_geometryData->sourceData(vesVertexAttributeKeys::Position);
// Send the primitive type information out
renderState.m_material->bindRenderData(
renderState, vesRenderData(vesPrimitiveRenderType::Points, this->pointSize(), this->lineWidth()));
glDrawArrays(points->primitiveType(), 0, data->sizeOfArray());
}
}
bool vesMaterial::vesInternal::addAttribute(
Attributes &attributes,
vesSharedPtr<vesMaterialAttribute> attribute)
{
if (!attribute) {
return false;
}
vesInternal::Attributes::iterator itr =
attributes.find(attribute->type());
if (itr == attributes.end() || ( (itr->second) != attribute )) {
attributes[attribute->type()] = attribute;
return true;
}
return false;
}
bool vesMaterial::setShaderProgram(vesSharedPtr<vesShaderProgram> shaderProgram)
{
if (!shaderProgram || shaderProgram == this->m_shaderProgram) {
return false;
}
this->m_shaderProgram = shaderProgram;
this->m_internal->m_attributes[shaderProgram->type()] =
this->m_shaderProgram;
return true;
}
void vesMapper::drawTriangles(const vesRenderState &renderState,
vesSharedPtr<vesPrimitive> triangles)
{
assert(this->m_geometryData);
const unsigned int numberOfIndices
= triangles->numberOfIndices();
unsigned int drawnIndices = 0;
while (drawnIndices < numberOfIndices) {
int numberOfIndicesToDraw = numberOfIndices - drawnIndices;
if (numberOfIndicesToDraw > this->m_maximumTriangleIndicesPerDraw) {
numberOfIndicesToDraw = this->m_maximumTriangleIndicesPerDraw;
}
uintptr_t offset = 0;
// Send the primitive type information out
renderState.m_material->bindRenderData(
renderState, vesRenderData(triangles->primitiveType(), this->pointSize(), this->lineWidth()));
if (!this->m_enableWireframe) {
offset = triangles->sizeOfDataType() * drawnIndices;
glDrawElements(triangles->primitiveType(), numberOfIndicesToDraw,
triangles->indicesValueType(), (void*)offset);
}
else {
for(int i = 0; i < numberOfIndicesToDraw; i += 3)
{
offset = triangles->sizeOfDataType() * i + triangles->sizeOfDataType()
* drawnIndices;
glDrawElements(GL_LINE_LOOP, 3,
triangles->indicesValueType(), (void*)offset);
}
}
drawnIndices += numberOfIndicesToDraw;
}
}
bool vesGroupNode::removeChild(vesSharedPtr<vesNode> child)
{
if (!child) {
return false;
}
// \note:No check if the child really existed. This is for performance
// reasons.
// \note: Ensure that parent of this node is "this" group node.
if (child->parent() == this) {
this->m_children.remove(child);
this->setBoundsDirty(true);
return true;
}
return false;
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetTextureCoordinates(vtkDataArray* tcoords,
vesSharedPtr<vesGeometryData> geometryData)
{
assert(tcoords);
assert(tcoords->GetNumberOfComponents() == 2);
assert(geometryData);
const size_t nTuples = tcoords->GetNumberOfTuples();
vesSourceDataT2f::Ptr texCoordSourceData (new vesSourceDataT2f());
for (size_t i = 0; i < nTuples; ++i)
{
double* values = tcoords->GetTuple(i);
vesVertexDataT2f textureCoordinate;
textureCoordinate.m_textureCoordinate = vesVector2f(values[0], values[1]);
texCoordSourceData->pushBack(textureCoordinate);
}
geometryData->addSource(texCoordSourceData);
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetVertexColors(
vtkUnsignedCharArray* colors, vesSharedPtr<vesGeometryData> geometryData)
{
assert(geometryData);
assert(colors);
assert(colors->GetNumberOfComponents() == 3);
unsigned char rgb[3];
const size_t nTuples = colors->GetNumberOfTuples();
vesSourceDataC3f::Ptr colorSourceData (new vesSourceDataC3f());
for (size_t i = 0; i < nTuples; ++i)
{
colors->GetTupleValue(i, rgb);
vesVertexDataC3f color;
color.m_color = vesVector3f(rgb[0]/255.0, rgb[1]/255.0, rgb[2]/255.0);
colorSourceData->pushBack(color);
}
geometryData->addSource(colorSourceData);
}
bool vesGroupNode::addChild(vesSharedPtr<vesNode> child)
{
if (!child) {
return false;
}
Children::iterator itr = this->m_children.begin();
for (; itr != this->m_children.end(); ++itr) {
if ( (*itr) == child ) {
return false;
}
}
child->setParent(this);
this->m_children.push_back(child);
this->setBoundsDirty(true);
return true;
}
//----------------------------------------------------------------------------
void vesKiwiDataConversionTools::SetVertexColors(vtkDataArray* scalars,
vtkScalarsToColors* scalarsToColors, vesSharedPtr<vesGeometryData> geometryData)
{
assert(scalars);
assert(scalars->GetNumberOfComponents() == 1);
assert(geometryData);
double rgb[3];
const size_t nTuples = scalars->GetNumberOfTuples();
vesSourceDataC3f::Ptr colorSourceData (new vesSourceDataC3f());
for (size_t i = 0; i < nTuples; ++i)
{
scalarsToColors->GetColor(scalars->GetComponent(i, 0), rgb);
vesVertexDataC3f color;
color.m_color = vesVector3f(rgb[0], rgb[1], rgb[2]);
colorSourceData->pushBack(color);
}
geometryData->addSource(colorSourceData);
}
//----------------------------------------------------------------------------
void vesKiwiPolyDataRepresentation::addSelfToRenderer(
vesSharedPtr<vesRenderer> renderer)
{
assert(renderer);
renderer->addActor(this->Internal->Actor);
}
//----------------------------------------------------------------------------
void vesKiwiPolyDataRepresentation::removeSelfFromRenderer(
vesSharedPtr<vesRenderer> renderer)
{
assert(renderer);
renderer->removeActor(this->Internal->Actor);
}
//-----------------------------------------------------------------------------
vesSharedPtr<vesGeometryData> vesKiwiDataConversionTools::ConvertPVWebData(vesSharedPtr<vesPVWebDataSet> dataset)
{
vesSharedPtr<vesGeometryData> geometryData = vesSharedPtr<vesGeometryData>(new vesGeometryData);
geometryData->setName("PolyData");
const int numberOfVerts = dataset->m_numberOfVerts;
// Todo- handle point primitives
//vesPrimitive::Ptr pointPrimitive(new vesPrimitive());
//pointPrimitive->setPrimitiveType(vesPrimitiveRenderType::Points);
//pointPrimitive->setIndexCount(1);
//geometryData->addPrimitive(pointPrimitive);
if (dataset->m_datasetType == 'M') {
// verts and normals
vesSourceDataP3N3f::Ptr sourceData(new vesSourceDataP3N3f());
vesVertexDataP3N3f vertexData;
for (int i = 0; i < numberOfVerts; ++i) {
float* vertex = dataset->vertices() + i*3;
float* normal = dataset->normals() + i*3;
vertexData.m_position[0] = vertex[0];
vertexData.m_position[1] = vertex[1];
vertexData.m_position[2] = vertex[2];
vertexData.m_normal[0] = normal[0];
vertexData.m_normal[1] = normal[1];
vertexData.m_normal[2] = normal[2];
sourceData->pushBack(vertexData);
}
geometryData->addSource(sourceData);
// triangles
vesSharedPtr<vesIndices<unsigned short> > triangleIndices =
vesSharedPtr<vesIndices<unsigned short> >(new vesIndices<unsigned short>());
vesPrimitive::Ptr trianglesPrimitive = vesPrimitive::Ptr(new vesPrimitive());
trianglesPrimitive->setIndexCount(3);
trianglesPrimitive->setIndicesValueType(vesPrimitiveIndicesValueType::UnsignedShort);
trianglesPrimitive->setPrimitiveType(vesPrimitiveRenderType::Triangles);
trianglesPrimitive->setVesIndices(triangleIndices);
geometryData->addPrimitive(trianglesPrimitive);
for (int i = 0; i < dataset->m_numberOfIndices/3; ++i) {
short* indices = dataset->indices() + i*3;
triangleIndices->pushBackIndices(indices[0], indices[1], indices[2]);
}
}
else if (dataset->m_datasetType == 'L') {
// verts
vesSourceDataP3f::Ptr vertexSourceData(new vesSourceDataP3f());
vesVertexDataP3f vertexData;
for (int i = 0; i < numberOfVerts; ++i) {
float* vertex = dataset->vertices() + i*3;
vertexData.m_position[0] = vertex[0];
vertexData.m_position[1] = vertex[1];
vertexData.m_position[2] = vertex[2];
vertexSourceData->pushBack(vertexData);
}
geometryData->addSource(vertexSourceData);
// lines
vesSharedPtr<vesIndices<unsigned short> > lineIndices =
vesSharedPtr<vesIndices<unsigned short> >(new vesIndices<unsigned short>());
vesPrimitive::Ptr linesPrimitive = vesPrimitive::Ptr(new vesPrimitive());
linesPrimitive->setIndexCount(2);
linesPrimitive->setIndicesValueType(vesPrimitiveIndicesValueType::UnsignedShort);
linesPrimitive->setPrimitiveType(vesPrimitiveRenderType::Lines);
linesPrimitive->setVesIndices(lineIndices);
geometryData->addPrimitive(linesPrimitive);
for (int i = 0; i < dataset->m_numberOfIndices/2; ++i) {
short* indices = dataset->indices() + i*2;
lineIndices->pushBackIndices(indices[0], indices[1]);
}
}
// colors
float opacity = 1.0;
if (dataset->m_transparency) {
opacity = 0.4;
}
vesSourceDataC4f::Ptr colorSourceData(new vesSourceDataC4f());
vesVertexDataC4f vertColor;
for (size_t i = 0; i < numberOfVerts; ++i)
{
unsigned char* color = dataset->colors() + i*4;
vertColor.m_color = vesVector4f(color[0]/255.0, color[1]/255.0, color[2]/255.0, opacity);
colorSourceData->pushBack(vertColor);
}
geometryData->addSource(colorSourceData);
return geometryData;
}