Files
vimix/Visitor.cpp
2020-03-31 17:01:33 +02:00

145 lines
3.4 KiB
C++

#include "Visitor.h"
#include "Log.h"
#include "Scene.h"
#include "Primitives.h"
#include "MediaPlayer.h"
#include "GstToolkit.h"
#include <iostream>
#include <glm/glm.hpp>
#include <glm/ext/vector_float4.hpp>
#include <glm/ext/matrix_float4x4.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;
#ifndef XMLCheckResult
#define XMLCheckResult(a_eResult) if (a_eResult != XML_SUCCESS) { Log::Warning("XML error %i\n", a_eResult); return; }
#endif
SessionVisitor::SessionVisitor(std::string filename) : filename_(filename)
{
xmlDoc_ = new XMLDocument;
xmlCurrent_ = nullptr;
}
void SessionVisitor::visit(Group &n)
{
std::cerr << "Group" << std::endl;
XMLElement *xmlParent = xmlCurrent_;
xmlCurrent_ = xmlDoc_->NewElement("Group");
visit( (Node&) n);
for (int node = 0; node < n.numChildren(); ++node)
{
Node *child = n.getChild(node);
Group *g = dynamic_cast<Group *>(child);
if (g != nullptr) {
g->accept(*this);
continue;
}
TexturedRectangle *tr = dynamic_cast<TexturedRectangle *>(child);
if (tr != nullptr) {
tr->accept(*this);
continue;
}
MediaRectangle *mr = dynamic_cast<MediaRectangle *>(child);
if (mr != nullptr) {
mr->accept(*this);
continue;
}
LineStrip *ls = dynamic_cast<LineStrip *>(child);
if (ls != nullptr) {
ls->accept(*this);
continue;
}
Primitive *p = dynamic_cast<Primitive *>(child);
if (p != nullptr) {
p->accept(*this);
continue;
}
}
// recursive
xmlParent->InsertEndChild(xmlCurrent_);
xmlCurrent_ = xmlParent;
}
void SessionVisitor::visit(Node &n)
{
XMLElement *transform = xmlDoc_->NewElement("Transform");
XMLText *matrix = xmlDoc_->NewText( glm::to_string(n.transform_).c_str() );
transform->InsertEndChild(matrix);
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;
}
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() );
// inherited from Primitive
visit( (Primitive&) n);
// recursive
xmlParent->InsertEndChild(xmlCurrent_);
xmlCurrent_ = xmlParent;
}
void SessionVisitor::visit(LineStrip &n)
{
std::cerr << "LineStrip" << std::endl;
}
void SessionVisitor::visit(Scene &n)
{
std::cerr << "root" << std::endl;
XMLDeclaration *pDec = xmlDoc_->NewDeclaration();
xmlDoc_->InsertFirstChild(pDec);
XMLElement *pRoot = xmlDoc_->NewElement("Session");
xmlDoc_->InsertEndChild(pRoot);
std::string s = "Saved on " + GstToolkit::date_time_string();
XMLComment *pComment = xmlDoc_->NewComment(s.c_str());
pRoot->InsertEndChild(pComment);
// save scene
xmlCurrent_ = pRoot;
n.getRoot()->accept(*this);
XMLError eResult = xmlDoc_->SaveFile(filename_.c_str());
XMLCheckResult(eResult);
}