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-module(statistics).

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-record
(
   statistics,
   {
      movement_points,
      health,
      dodges,
      parries,
      damage_min,
      damage_max,
      accuracy,
      double_hits,
      critical_hits
   }
).

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-export
(
   [
      get_movement_points/1,
      get_health/1,
      get_dodges/1,
      get_parries/1,
      get_damage_min/1,
      get_damage_max/1,
      get_accuracy/1,
      get_double_hits/1,
      get_critical_hits/1
   ]
).

-export
(
   [
      calc_for/2
   ]
).

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
get_movement_points (Stats) -> Stats#statistics.movement_points.
get_health (Stats) -> Stats#statistics.health.
get_dodges (Stats) -> Stats#statistics.dodges.
get_parries (Stats) -> Stats#statistics.parries.
get_damage_min (Stats) -> Stats#statistics.damage_min.
get_damage_max (Stats) -> Stats#statistics.damage_max.
get_accuracy (Stats) -> Stats#statistics.accuracy.
get_double_hits (Stats) -> Stats#statistics.double_hits.
get_critical_hits (Stats) -> Stats#statistics.critical_hits.

calc_for (Att, Wp) ->
   #statistics
   {
      movement_points =
         trunc(math:ceil(math:pow(attributes:get_speed(Att), 1.8)/20)),
      health =
         trunc(math:ceil(math:pow(attributes:get_constitution(Att), 1.8)/20))
   }.