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/*  Project Starshatter 4.5
    Destroyer Studios LLC
    Copyright © 1997-2004. All Rights Reserved.

    SUBSYSTEM:    Stars.exe
    FILE:         Weather.h
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Manages local weather conditions according to the system stardate
*/

#ifndef Weather_h
#define Weather_h

#include "Types.h"
#include "Text.h"

// +--------------------------------------------------------------------+

class Weather
{
public:
   Weather();
   virtual ~Weather();

   enum STATE  {  CLEAR, 
                  HIGH_CLOUDS, 
                  MODERATE_CLOUDS,
                  OVERCAST,
                  FOG,
                  STORM,

                  NUM_STATES
               };

   virtual void      Update();

   // accessors:
   STATE             State()           const { return state;            }
   Text              Description()     const;
   double            Period()          const { return period;           }
   double            Chance(STATE s)   const { return chances[(int)s];  }
   double            Ceiling()         const { return ceiling;          }
   double            Visibility()      const { return visibility;       }

   void              SetPeriod(double p)        { period = p;           }
   void              SetChance(int n, double c);

protected:
   void              NormalizeChances();

   STATE             state;
   double            period;
   double            chances[NUM_STATES];
   double            ceiling;
   double            visibility;

   STATE             active_states[NUM_STATES];
   double            thresholds[NUM_STATES];
};


#endif Weather_h