Core/Misc: Added float chrono typedefs

(cherry picked from commit cb4013efe67a875dc19ef3bcd5b8c142f5a131d6)

# Conflicts:
#	src/server/scripts/Spells/spell_dh.cpp
#	src/server/scripts/Spells/spell_evoker.cpp

2 files changed, 15 insertions, 13 deletions

diff --git a/src/common/Utilities/Duration.h b/src/common/Utilities/Duration.h
index f506467abda..8ad5be0a10b 100644
--- a/src/common/Utilities/Duration.h
+++ b/src/common/Utilities/Duration.h
@@ -15,22 +15,26 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _DURATION_H_
-#define _DURATION_H_
+#ifndef TRINITYCORE_DURATION_H
+#define TRINITYCORE_DURATION_H
 
 #include <chrono>
 
 /// Milliseconds shorthand typedef.
-typedef std::chrono::milliseconds Milliseconds;
+using Milliseconds = std::chrono::milliseconds;
+using FloatMilliseconds = std::chrono::duration<float, Milliseconds::period>;
 
 /// Seconds shorthand typedef.
-typedef std::chrono::seconds Seconds;
+using Seconds = std::chrono::seconds;
+using FloatSeconds = std::chrono::duration<float, Seconds::period>;
 
 /// Minutes shorthand typedef.
-typedef std::chrono::minutes Minutes;
+using Minutes = std::chrono::minutes;
+using FloatMinutes = std::chrono::duration<float, Minutes::period>;
 
 /// Hours shorthand typedef.
-typedef std::chrono::hours Hours;
+using Hours = std::chrono::hours;
+using FloatHours = std::chrono::duration<float, Hours::period>;
 
 /// time_point shorthand typedefs
 typedef std::chrono::steady_clock::time_point TimePoint;
@@ -39,9 +43,9 @@ typedef std::chrono::system_clock::time_point SystemTimePoint;
 /// Makes std::chrono_literals globally available.
 using namespace std::chrono_literals;
 
-constexpr std::chrono::hours operator""_days(unsigned long long days)
+constexpr std::chrono::days operator""_days(unsigned long long days)
 {
-    return std::chrono::hours(days * 24h);
+    return std::chrono::days(days);
 }
 
-#endif // _DURATION_H_
+#endif // TRINITYCORE_DURATION_H
diff --git a/src/server/game/Spells/Auras/SpellAuras.cpp b/src/server/game/Spells/Auras/SpellAuras.cpp
index 7afc63628dc..7572a80a377 100644
--- a/src/server/game/Spells/Auras/SpellAuras.cpp
+++ b/src/server/game/Spells/Auras/SpellAuras.cpp
@@ -2013,15 +2013,13 @@ void Aura::TriggerProcOnEvent(uint32 procEffectMask, AuraApplication* aurApp, Pr
 
 float Aura::CalcPPMProcChance(Unit* actor) const
 {
-    using FSeconds = std::chrono::duration<float, Seconds::period>;
-
     // Formula see http://us.battle.net/wow/en/forum/topic/8197741003#1
     float ppm = m_spellInfo->CalcProcPPM(actor, GetCastItemLevel());
     float averageProcInterval = 60.0f / ppm;
 
     TimePoint currentTime = GameTime::Now();
-    float secondsSinceLastAttempt = std::min(std::chrono::duration_cast<FSeconds>(currentTime - m_lastProcAttemptTime).count(), 10.0f);
-    float secondsSinceLastProc = std::min(std::chrono::duration_cast<FSeconds>(currentTime - m_lastProcSuccessTime).count(), 1000.0f);
+    float secondsSinceLastAttempt = std::min(duration_cast<FloatSeconds>(currentTime - m_lastProcAttemptTime).count(), 10.0f);
+    float secondsSinceLastProc = std::min(duration_cast<FloatSeconds>(currentTime - m_lastProcSuccessTime).count(), 1000.0f);
 
     float chance = std::max(1.0f, 1.0f + ((secondsSinceLastProc / averageProcInterval - 1.5f) * 3.0f)) * ppm * secondsSinceLastAttempt / 60.0f;
     RoundToInterval(chance, 0.0f, 1.0f);