void drawVector(RenderingContext & rc, const Geometry::Vec3 & from, const Geometry::Vec3 & to) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
mesh = new Mesh(vertexDescription, 2, 2);
mesh->setDrawMode(Mesh::DRAW_LINES);
MeshIndexData & id = mesh->openIndexData();
uint32_t * indices = id.data();
indices[0] = 0;
indices[1] = 1;
id.updateIndexRange();
id.markAsChanged();
mesh->setDataStrategy(SimpleMeshDataStrategy::getPureLocalStrategy());
}
MeshVertexData & vd = mesh->openVertexData();
float * vertices = reinterpret_cast<float *> (vd.data());
*vertices++ = from.getX(); // From
*vertices++ = from.getY();
*vertices++ = from.getZ();
*vertices++ = to.getX(); // To
*vertices++ = to.getY();
*vertices++ = to.getZ();
vd.updateBoundingBox();
vd.markAsChanged();
rc.displayMesh(mesh.get());
}
static void describeGeometryNode(ExporterContext & /*ctxt*/,DescriptionMap & desc, Node * node) {
desc.setString(Consts::ATTR_NODE_TYPE, Consts::NODE_TYPE_GEOMETRY);
std::unique_ptr<DescriptionMap> dataDesc(new DescriptionMap);
GeometryNode * gn = dynamic_cast<GeometryNode*>(node);
// annotate with bounding box
const Geometry::Box bb = gn->getBB();
const Geometry::Vec3 center = bb.getCenter();
std::stringstream s;
s << center.getX() << " " << center.getY() << " " << center.getZ() << " " << bb.getExtentX() << " " << bb.getExtentY() << " " << bb.getExtentZ();
dataDesc->setString(Consts::ATTR_MESH_BB, s.str());
Rendering::Mesh * m = gn->getMesh();
if(m!=nullptr) { // mesh present?
// no filename -> store data in .minsg
if(m->getFileName().empty()) {
std::ostringstream meshStream;
if(Rendering::Serialization::saveMesh(gn->getMesh(), "mmf", meshStream)) {
dataDesc->setString(Consts::ATTR_DATA_TYPE,"mesh");
dataDesc->setString(Consts::ATTR_DATA_ENCODING,"base64");
const std::string streamString = meshStream.str();
const std::string meshString = Util::encodeBase64(std::vector<uint8_t>(streamString.begin(), streamString.end()));
dataDesc->setString(Consts::DATA_BLOCK,meshString);
}
} else { // filename given?
Util::FileName meshFilename(m->getFileName());
// // make path to mesh relative to scene (if mesh lies below the scene)
// Util::FileUtils::makeRelativeIfPossible(ctxt.sceneFile, meshFilename);
dataDesc->setString(Consts::ATTR_DATA_TYPE,"mesh");
dataDesc->setString(Consts::ATTR_MESH_FILENAME,meshFilename.toShortString());
}
ExporterTools::addDataEntry(desc, std::move(dataDesc));
}
}
void drawQuad(RenderingContext & rc, const Geometry::Vec3 & lowerLeft, const Geometry::Vec3 & lowerRight, const Geometry::Vec3 & upperRight,
const Geometry::Vec3 & upperLeft) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
vertexDescription.appendTexCoord();
mesh = new Mesh(vertexDescription, 4, 6);
MeshIndexData & id = mesh->openIndexData();
uint32_t * indices = id.data();
indices[0] = 0;
indices[1] = 1;
indices[2] = 2;
indices[3] = 0;
indices[4] = 2;
indices[5] = 3;
id.updateIndexRange();
id.markAsChanged();
}
const Geometry::Vec3 edgeA = lowerRight - lowerLeft;
const Geometry::Vec3 edgeB = upperLeft - lowerLeft;
Geometry::Vec3 normal = edgeA.cross(edgeB);
normal.normalize();
MeshVertexData & vd = mesh->openVertexData();
float * vertices = reinterpret_cast<float *> (vd.data());
// Lower left
*vertices++ = lowerLeft.getX();
*vertices++ = lowerLeft.getY();
*vertices++ = lowerLeft.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 0.0f;
*vertices++ = 0.0f;
// Lower right
*vertices++ = lowerRight.getX();
*vertices++ = lowerRight.getY();
*vertices++ = lowerRight.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 1.0f;
*vertices++ = 0.0f;
// Upper right
*vertices++ = upperRight.getX();
*vertices++ = upperRight.getY();
*vertices++ = upperRight.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 1.0f;
*vertices++ = 1.0f;
// Upper left
*vertices++ = upperLeft.getX();
*vertices++ = upperLeft.getY();
*vertices++ = upperLeft.getZ();
*vertices++ = normal.getX();
*vertices++ = normal.getY();
*vertices++ = normal.getZ();
*vertices++ = 0.0f;
*vertices++ = 1.0f;
vd.updateBoundingBox();
vd.markAsChanged();
rc.displayMesh(mesh.get());
}
