couch/core/Node.cpp

#include "Node.h"
#include "Util.h"

void NodeList::Append(Node *node) {
  if (this->isPrefabList and not node->isPrefab) {
    Util::Die("Attempt to add instanced node to prefab list!");
  }
  if (node->isPrefab and not this->isPrefabList) {
    Util::Die("Attempt to add prefab node to instanced list!");
  }
  push_back(node);
}

bool NodeList::IsPrefabList() {
  return isPrefabList;
}

Name Node::GetType() const {return "Node";}

bool Node::IsPrefab() {
  return isPrefab;
}

NodeList Node::GetChildren() {
  return children;
}

void Node::AddChild(Node *child) {
  children.Append(child);
}

Node *Node::GetRoot() {
  return root;
}

Node* Node::Create() {
  return new Node;
}

Node* Node::Duplicate() {
  return Create();
}

Node* Node::Instance() {
  if (not isPrefab) {
    Util::Die("Attempt to instance an instanced node!");
  }
  Node* instance = Duplicate();
  instance->isPrefab = false;
  instance->children.isPrefabList = false;
  // Instance the children to the instanced list
  for (Node *child : children) {
    instance->children.Append(child->Instance());
  }

  return instance;
}

Node *Node::root = {Node().Instance()};