diff options
Diffstat (limited to 'src/core/random_func.hpp')
| -rw-r--r-- | src/core/random_func.hpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/core/random_func.hpp b/src/core/random_func.hpp index d77d38906..82f751003 100644 --- a/src/core/random_func.hpp +++ b/src/core/random_func.hpp @@ -52,6 +52,30 @@ struct Randomizer { extern Randomizer _random; ///< Random used in the game state calculations extern Randomizer _interactive_random; ///< Random used every else where is does not (directly) influence the game state +/** Stores the state of all random number generators */ +struct SavedRandomSeeds { + Randomizer random; + Randomizer interactive_random; +}; + +/** Saves the current seeds + * @param storage Storage for saving + */ +static inline void SaveRandomSeeds(SavedRandomSeeds *storage) +{ + storage->random = _random; + storage->interactive_random = _interactive_random; +} + +/** Restores previously saved seeds + * @param storage Storage where SaveRandomSeeds() stored th seeds + */ +static inline void RestoreRandomSeeds(const SavedRandomSeeds &storage) +{ + _random = storage.random; + _interactive_random = storage.interactive_random; +} + void SetRandomSeed(uint32 seed); #ifdef RANDOM_DEBUG #define Random() DoRandom(__LINE__, __FILE__) |