#include "level.h"
#include <stdlib.h>


static LEVEL *level = NULL;


LEVEL *getLevel() {
  return level;
}

void setLevel(LEVEL *l) {
  level = l;
}

void addRoom(LEVEL *lvl, const ROOM *room) {
  lvl->nRooms++;
  lvl->rooms = (ROOM*)realloc(lvl->rooms, lvl->nRooms*sizeof(ROOM));
  lvl->rooms[lvl->nRooms-1] = *room;
}

void deleteRoom(LEVEL *lvl, unsigned int n) {
  int i;
  
  lvl->nRooms--;
  
  for(i = n; i < lvl->nRooms; i++)
    lvl->rooms[i] = lvl->rooms[i+1];
  
  lvl->rooms = (ROOM*)realloc(lvl->rooms, lvl->nRooms*sizeof(ROOM));
}

void freeLevel(LEVEL *lvl) {
  int i;
  
  if(lvl) {
    if(lvl->rooms) {
      for(i = 0; i < lvl->nRooms; i++) {
        if(lvl->rooms[i].polygon.vertices)
          free(lvl->rooms[i].polygon.vertices);
        
        if(lvl->rooms[i].name)
          free(lvl->rooms[i].name);
      }
      
      free(lvl->rooms);
    }
    
    free(lvl);
  }
}