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XML Visitor with GLM matrix and vector

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brunoherbelin
2020-03-31 20:52:42 +02:00
parent da8e124ad1
commit 547bc3e151
1 changed files with 77 additions and 14 deletions
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91
Visitor.cpp
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@@ -10,10 +10,10 @@
#include <glm/glm.hpp>
#include <glm/ext/vector_float4.hpp>
#include <glm/ext/matrix_float4x4.hpp>
#include <glm/gtc/matrix_access.hpp>
#include <glm/gtc/type_ptr.hpp>
#define GLM_ENABLE_EXPERIMENTAL
#include <glm/gtx/string_cast.hpp>
#include <glm/virtrev/xstream.hpp>
#include <tinyxml2.h>
using namespace tinyxml2;
@@ -30,8 +30,6 @@ SessionVisitor::SessionVisitor(std::string filename) : filename_(filename)
void SessionVisitor::visit(Group &n)
{
std::cerr << "Group" << std::endl;
XMLElement *xmlParent = xmlCurrent_;
xmlCurrent_ = xmlDoc_->NewElement("Group");
visit( (Node&) n);
@@ -78,34 +76,81 @@ void SessionVisitor::visit(Group &n)
}
XMLElement *XMLElementGLM(XMLDocument *doc, glm::vec3 vector)
{
XMLElement *newelement = doc->NewElement( "vec3" );
newelement->SetAttribute("x", vector[0]);
newelement->SetAttribute("y", vector[1]);
newelement->SetAttribute("z", vector[2]);
return newelement;
}
XMLElement *XMLElementGLM(XMLDocument *doc, glm::vec4 vector)
{
XMLElement *newelement = doc->NewElement( "vec4" );
newelement->SetAttribute("x", vector[0]);
newelement->SetAttribute("y", vector[1]);
newelement->SetAttribute("z", vector[2]);
newelement->SetAttribute("w", vector[3]);
return newelement;
}
XMLElement *XMLElementGLM(XMLDocument *doc, glm::mat4 matrix)
{
XMLElement *newelement = doc->NewElement( "mat4" );
for (int r = 0 ; r < 4 ; r ++)
{
glm::vec4 row = glm::row(matrix, r);
XMLElement *rowxml = XMLElementGLM(doc, row);
rowxml->SetAttribute("row", r);
newelement->InsertEndChild(rowxml);
}
return newelement;
}
void SessionVisitor::visit(Node &n)
{
XMLElement *transform = xmlDoc_->NewElement("Transform");
XMLText *matrix = xmlDoc_->NewText( glm::to_string(n.transform_).c_str() );
transform->InsertEndChild(matrix);
XMLElement *transform = XMLElementGLM(xmlDoc_, n.transform_);
xmlCurrent_->InsertEndChild(transform);
}
void SessionVisitor::visit(Primitive &n)
{
std::cerr << "Primitive" << std::endl;
visit( (Node&) n);
}
void SessionVisitor::visit(TexturedRectangle &n)
{
std::cerr << "TexturedRectangle" << std::endl;
// type specific
XMLElement *xmlParent = xmlCurrent_;
xmlCurrent_ = xmlDoc_->NewElement("TexturedRectangle");
XMLElement *image = xmlDoc_->NewElement("filename");
xmlCurrent_->InsertEndChild(image);
XMLText *filename = xmlDoc_->NewText( n.getResourcePath().c_str() );
image->InsertEndChild(filename);
// inherited from Primitive
visit( (Primitive&) n);
// recursive
xmlParent->InsertEndChild(xmlCurrent_);
xmlCurrent_ = xmlParent;
}
void SessionVisitor::visit(MediaRectangle &n)
{
std::cerr << "MediaRectangle" << std::endl;
// type specific
XMLElement *xmlParent = xmlCurrent_;
xmlCurrent_ = xmlDoc_->NewElement("MediaRectangle");
xmlCurrent_->SetAttribute("Filename", n.getMediaPath().c_str() );
XMLElement *media = xmlDoc_->NewElement("filename");
xmlCurrent_->InsertEndChild(media);
XMLText *filename = xmlDoc_->NewText( n.getMediaPath().c_str() );
media->InsertEndChild(filename);
// TODO : visit MediaPlayer
// inherited from Primitive
visit( (Primitive&) n);
@@ -117,14 +162,32 @@ void SessionVisitor::visit(MediaRectangle &n)
void SessionVisitor::visit(LineStrip &n)
{
std::cerr << "LineStrip" << std::endl;
// type specific
XMLElement *xmlParent = xmlCurrent_;
xmlCurrent_ = xmlDoc_->NewElement("LineStrip");
XMLElement *color = XMLElementGLM(xmlDoc_, n.getColor());
color->SetAttribute("type", "RGBA");
xmlCurrent_->InsertEndChild(color);
std::vector<glm::vec3> points = n.getPoints();
for(size_t i = 0; i < points.size(); ++i)
{
XMLElement *p = XMLElementGLM(xmlDoc_, points[i]);
p->SetAttribute("point", (int) i);
xmlCurrent_->InsertEndChild(p);
}
// inherited from Primitive
visit( (Primitive&) n);
// recursive
xmlParent->InsertEndChild(xmlCurrent_);
xmlCurrent_ = xmlParent;
}
void SessionVisitor::visit(Scene &n)
{
std::cerr << "root" << std::endl;
XMLDeclaration *pDec = xmlDoc_->NewDeclaration();
xmlDoc_->InsertFirstChild(pDec);