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feat(Core/Random): port random system from TrinityCore (#5454)

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* feat(Core/Random): port random system from TrinityCore

* lic

* logic correct

* MultimapErasePair move

* whitespace

17:13:34 1. 'Containers.h'. Replace (1)
17:13:40 2. 'LootMgr.h'. Replace (1)
17:13:44 3. 'World.cpp'. Replace (1)
17:13:47 4. 'instance_scholomance.cpp'. Replace (1)

* correct debug build
This commit is contained in:
Kargatum
2021-05-17 02:53:21 +07:00
committed by GitHub
parent 0d699222de
commit 13f71c9c4d
33 changed files with 2933 additions and 651 deletions
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47
src/common/Utilities/Util.h
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@@ -71,38 +71,6 @@ uint32 TimeStringToSecs(const std::string& timestring);
std::string TimeToTimestampStr(time_t t);
std::string TimeToHumanReadable(time_t t);
/* Return a random number in the range min..max. */
int32 irand(int32 min, int32 max);
/* Return a random number in the range min..max (inclusive). */
uint32 urand(uint32 min, uint32 max);
/* Return a random number in the range 0 .. UINT32_MAX. */
uint32 rand32();
/* Return a random number in the range min..max */
float frand(float min, float max);
/* Return a random double from 0.0 to 1.0 (exclusive). */
double rand_norm();
/* Return a random double from 0.0 to 100.0 (exclusive). */
double rand_chance();
uint32 urandweighted(size_t count, double const* chances);
/* Return true if a random roll fits in the specified chance (range 0-100). */
inline bool roll_chance_f(float chance)
{
return chance > rand_chance();
}
/* Return true if a random roll fits in the specified chance (range 0-100). */
inline bool roll_chance_i(int32 chance)
{
return chance > irand(0, 99);
}
inline void ApplyPercentModFloatVar(float& var, float val, bool apply)
{
if (val == -100.0f) // prevent set var to zero
@@ -582,21 +550,6 @@ bool CompareValues(ComparisionType type, T val1, T val2)
}
}
/*
* SFMT wrapper satisfying UniformRandomNumberGenerator concept for use in <random> algorithms
*/
class SFMTEngine
{
public:
typedef uint32 result_type;
static constexpr result_type min() { return std::numeric_limits<result_type>::min(); }
static constexpr result_type max() { return std::numeric_limits<result_type>::max(); }
result_type operator()() const { return rand32(); }
static SFMTEngine& Instance();
};
class EventMap
{
typedef std::multimap<uint32, uint32> EventStore;