diff options
Diffstat (limited to 'source/blender/freestyle/intern/geometry/HashGrid.h')
| -rw-r--r-- | source/blender/freestyle/intern/geometry/HashGrid.h | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/source/blender/freestyle/intern/geometry/HashGrid.h b/source/blender/freestyle/intern/geometry/HashGrid.h index 289079fe0d9..b1fc4824b6f 100644 --- a/source/blender/freestyle/intern/geometry/HashGrid.h +++ b/source/blender/freestyle/intern/geometry/HashGrid.h @@ -23,13 +23,13 @@ */ #if 0 -# if defined(__GNUC__) && (__GNUC__ >= 3) +# if defined(__GNUC__) && (__GNUC__ >= 3) // hash_map is not part of the C++ standard anymore; // hash_map.h has been kept though for backward compatibility -# include <hash_map.h> -# else -# include <hash_map> -# endif +# include <hash_map.h> +# else +# include <hash_map> +# endif #endif #include <map> @@ -39,69 +39,69 @@ namespace Freestyle { /*! Defines a hash table used for searching the Cells */ -struct GridHasher -{ +struct GridHasher { #define _MUL 950706376UL #define _MOD 2147483647UL - inline size_t operator() (const Vec3u& p) const - { - size_t res = ((unsigned long) (p[0] * _MUL)) % _MOD; - res = ((res + (unsigned long) (p[1]) * _MUL)) % _MOD; - return ((res +(unsigned long) (p[2]) * _MUL)) % _MOD; - } + inline size_t operator()(const Vec3u &p) const + { + size_t res = ((unsigned long)(p[0] * _MUL)) % _MOD; + res = ((res + (unsigned long)(p[1]) * _MUL)) % _MOD; + return ((res + (unsigned long)(p[2]) * _MUL)) % _MOD; + } #undef _MUL #undef _MOD }; /*! Class to define a regular grid used for ray casting computations */ -class HashGrid : public Grid -{ -public: - typedef map<Vec3u, Cell*> GridHashTable; - - HashGrid() : Grid() {} - - virtual ~HashGrid() - { - clear(); - } - - /*! clears the grid - * Deletes all the cells, clears the hashtable, resets size, size of cell, number of cells. - */ - virtual void clear(); - - /*! Sets the different parameters of the grid - * orig - * The grid origin - * size - * The grid's dimensions - * nb - * The number of cells of the grid - */ - virtual void configure(const Vec3r& orig, const Vec3r& size, unsigned nb); - - /*! returns the cell whose coordinates are pased as argument */ - virtual Cell *getCell(const Vec3u& p) - { - Cell *found_cell = NULL; - - GridHashTable::const_iterator found = _cells.find(p); - if (found != _cells.end()) - found_cell = (*found).second; - return found_cell; - } - - /*! Fills the case p with the cell iCell */ - virtual void fillCell(const Vec3u& p, Cell& cell) - { - _cells[p] = &cell; - } - -protected: - GridHashTable _cells; +class HashGrid : public Grid { + public: + typedef map<Vec3u, Cell *> GridHashTable; + + HashGrid() : Grid() + { + } + + virtual ~HashGrid() + { + clear(); + } + + /*! clears the grid + * Deletes all the cells, clears the hashtable, resets size, size of cell, number of cells. + */ + virtual void clear(); + + /*! Sets the different parameters of the grid + * orig + * The grid origin + * size + * The grid's dimensions + * nb + * The number of cells of the grid + */ + virtual void configure(const Vec3r &orig, const Vec3r &size, unsigned nb); + + /*! returns the cell whose coordinates are pased as argument */ + virtual Cell *getCell(const Vec3u &p) + { + Cell *found_cell = NULL; + + GridHashTable::const_iterator found = _cells.find(p); + if (found != _cells.end()) + found_cell = (*found).second; + return found_cell; + } + + /*! Fills the case p with the cell iCell */ + virtual void fillCell(const Vec3u &p, Cell &cell) + { + _cells[p] = &cell; + } + + protected: + GridHashTable _cells; }; } /* namespace Freestyle */ -#endif // __HASHGRID_H__ +#endif // __HASHGRID_H__ |