#include "Room.h"
#include "LevelEdge.h"


const Room& Room::operator=(const Room &room) {
  polygon.clear();
  edges.clear();
  
  name = room.name;
  height = room.height;
  
  for(Polygon::const_iterator v = room.polygon.begin(); v != room.polygon.end(); v++)
    addVertex(*v);
  
  return room;
}

void Room::addVertex(Vertex v) {
  polygon.push_back(v);
  
  if(polygon.size() < 2)
    return;
  
  if(polygon.size() == 2) {
    LevelVertex v1(this, 0, this), v2(this, 1, this);
    
    edges.push_back(Edge(v1, v2));
    edges.push_back(Edge(v2, v1));
    
    return;
  }
  
  edges.pop_back();
  LevelVertex v1(edges.back().getVertex2());
  LevelVertex v2(this, polygon.size()-1, this);
  LevelVertex v3(edges.front().getVertex1());
  
  edges.push_back(Edge(v1, v2));
  edges.push_back(Edge(v2, v3));
}

std::vector<SharedPtr<LevelObject> > Room::getChildren() {
  std::vector<SharedPtr<LevelObject> > children;
  
  for(size_t i = 0; i < polygon.size(); i++)
    children.push_back(SharedPtr<LevelObject>(new LevelVertex(this, i, this)));
  
  for(size_t i = 0; i < edges.size(); i++)
    children.push_back(SharedPtr<LevelObject>(new LevelEdge(this, i, this)));
  
  return children;
}

void Room::rotate(Vertex m, float a) {
  float s = sinf(a);
  float c = cosf(a);
  
  for(Polygon::iterator v = polygon.begin(); v != polygon.end(); v++) {
    *v -= m;
    v->setLocation(c*v->getX() - s*v->getY(), c*v->getY() + s*v->getX());
    *v += m;
  }
}