#include "map_helper.h"
#include "log.h"

namespace Util {
  void SpriteCreationArea::setRects(const SDL_Rect & allowed, const SDL_Rect & denied) {
    validRects = std::make_pair<SDL_Rect, SDL_Rect>(allowed, denied);
    onScreen = denied;
  }

  bool SpriteCreationArea::isOnScreen(const Vector3D & p) {
/*    INFO << p.x << " " << p.y << " " << p.z << std::endl;
    INFO << onScreen.x <<", " << onScreen.y << " -> " << 
      onScreen.x + onScreen.w << ", " << onScreen.y + onScreen.h << std::endl;
*/
    if ((p.x >= onScreen.x) && (p.x <= onScreen.x + onScreen.w) &&
      (p.z >= onScreen.y) && (p.z <= onScreen.y + onScreen.h))
      return true;
    return false;
  }

  bool SpriteCreationArea::isOffScreen(const Vector3D & p) {
    return false;
  }

  TupleOfUint8 SpriteCreationArea::getValidCoord() {
    uint32_t x = rnd.nextUint(validRects.first.w) + validRects.first.x;
    uint32_t y = rnd.nextUint(validRects.first.h) + validRects.first.y;
    return std::make_pair<uint8_t, uint8_t>(x, y);
  }

  int item_count(MapOfPair2Int & m, int a, int b) {
    MapOfPair2Int::iterator j = m.find( std::make_pair<int, int>(a, b) );
    if (j == m.end())
      return 0;
    return j->second;
  }

  void register_item1(MapOfPair2Int & m, int a, int b) {
    m.insert( std::make_pair< Pair2Int, int>(
          std::make_pair<int, int>(a, b),
          1)
        );
  }

  void register_item(MapOfPair2Int & m, int a, int b) {
    Pair2Int _p(std::make_pair<int, int>(a, b));
    MapOfPair2Int::iterator j = m.find(_p);
    if (j == m.end())
      register_item1(m, a, b);
    else
      j->second++;
  }


}