Add ScaledTickCounter type

src/date.cpp

@@ -28,7 +28,7 @@
 #include "safeguards.h"
 
 uint64_t _tick_counter;                    ///< Ever incrementing tick counter for setting off various events
-uint64_t _scaled_tick_counter;             ///< Tick counter in daylength-scaled ticks
+ScaledTickCounter _scaled_tick_counter;    ///< Tick counter in daylength-scaled ticks
 StateTicks _state_ticks;                   ///< Current state tick
 uint32_t _quit_after_days;                 ///< Quit after this many days of run time
 

src/date_func.h

@@ -14,7 +14,7 @@
 #include "settings_type.h"
 
 extern uint64_t  _tick_counter;
-extern uint64_t  _scaled_tick_counter;
+extern ScaledTickCounter _scaled_tick_counter;
 extern StateTicks _state_ticks;
 extern uint32_t  _quit_after_days;
 

src/date_type.h

@@ -29,6 +29,8 @@ static const int SECONDS_PER_DAY   = 2;   ///< approximate seconds per day, not
 using Ticks = int32_t;                    ///< The type to store ticks in
 static constexpr Ticks INVALID_TICKS = -1; ///< Representation of an invalid number of ticks
 
+using ScaledTickCounter = uint64_t;       ///< The type for the scaled tick counter
+
 using YearDelta = StrongType::Typedef<int32_t, struct YearDeltaTag, StrongType::Compare, StrongType::IntegerScalable>;
 using DateDelta = StrongType::Typedef<int32_t, struct DateDeltaTag, StrongType::Compare, StrongType::IntegerScalable>;
 using DateTicksDelta = StrongType::Typedef<int64_t, struct DateTicksDeltaTag, StrongType::Compare, StrongType::IntegerScalable>;