62 lines
1.6 KiB
C++
Executable File
62 lines
1.6 KiB
C++
Executable File
#ifndef MAP_HELPER_H
|
|
#define MAP_HELPER_H
|
|
|
|
#include <list>
|
|
#include <map>
|
|
#include <SDL_video.h>
|
|
#include <cassert> // yasli/random.h needs it
|
|
#include "math3d.h"
|
|
//#include "yasli/random.h"
|
|
|
|
namespace Util {
|
|
typedef std::pair<SDL_Rect, SDL_Rect> TupleOfRects;
|
|
typedef std::pair<uint8_t, uint8_t> TupleOfUint8;
|
|
typedef std::list< TupleOfRects > ListOfTupleOfRects;
|
|
|
|
class SpriteCreationArea {
|
|
public:
|
|
SpriteCreationArea();
|
|
//ListOfTupleOfRects validTuple;
|
|
TupleOfRects validRects;
|
|
void setRects(const SDL_Rect & allowed, const SDL_Rect & denied);
|
|
TupleOfUint8 getValidCoord();
|
|
bool isOnScreen(const Vector3D & p);
|
|
bool isOffScreen(const Vector3D & p);
|
|
private:
|
|
SDL_Rect onScreen;
|
|
};
|
|
|
|
|
|
/** lesser than comparison of two std::pair<int, int>.
|
|
*/
|
|
template <typename T>
|
|
struct lt_pair {
|
|
bool operator() (const T & a, const T & b) const {
|
|
if (a.first < b.first)
|
|
return true;
|
|
if (a.first > b.first)
|
|
return false;
|
|
return (a.second < b.second);
|
|
}
|
|
};
|
|
|
|
typedef std::pair<int, int> Pair2Int;
|
|
typedef lt_pair<std::pair<int, int> > cmp_Pair2Int;
|
|
typedef std::map<Pair2Int, int, cmp_Pair2Int> MapOfPair2Int;
|
|
|
|
/** count of Pair2Int(a,b) in the map.
|
|
* @return 0 if no entry at that \e position
|
|
* @return count otherwise
|
|
*/
|
|
int item_count(MapOfPair2Int & m, int a, int b);
|
|
/** insert (may overwrite) count 1 at Pair2Int(a, b).
|
|
*/
|
|
void register_item1(MapOfPair2Int & m, int a, int b);
|
|
/** register and count Pair2Int(a, b).
|
|
*/
|
|
void register_item(MapOfPair2Int & m, int a, int b);
|
|
|
|
|
|
}
|
|
#endif
|