/*  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