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

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


	OVERVIEW
	========
	Conventional Shield (system) class
*/

#ifndef Shield_h
#define Shield_h

#include "Types.h"
#include "System.h"
#include "Geometry.h"

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

class Shot;
class Sound;

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

class Shield : public System
{
public:
	enum SUBTYPE { DEFLECTOR = 1, GRAV_SHIELD, HYPER_SHIELD };

	Shield(SUBTYPE s);
	Shield(const Shield& rhs);
	virtual ~Shield();

	virtual void   ExecFrame(double seconds);
	double         DeflectDamage(Shot* shot, double shot_damage);

	double         ShieldLevel()              const { return shield_level * 100;     }
	double         ShieldFactor()             const { return shield_factor;          }
	double         ShieldCurve()              const { return shield_curve;           }
	void           SetShieldFactor(double f)        { shield_factor = (float) f;     }
	void           SetShieldCurve(double c)         { shield_curve  = (float) c;     }
	double         ShieldCutoff()             const { return shield_cutoff;          }
	void           SetShieldCutoff(double f)        { shield_cutoff = (float) f;     }
	double         Capacity()                 const { return capacity;               }
	double         Consumption()              const { return sink_rate;              }
	void           SetConsumption(double r)         { sink_rate = (float)r;          }
	bool           ShieldCapacitor()          const { return shield_capacitor;       }
	void           SetShieldCapacitor(bool c);
	bool           ShieldBubble()             const { return shield_bubble;          }
	void           SetShieldBubble(bool b)          { shield_bubble = b;             }
	double         DeflectionCost()           const { return deflection_cost;        }
	void           SetDeflectionCost(double c)      { deflection_cost = (float) c;   }

	// override from System:
	virtual void   SetPowerLevel(double level);
	virtual void   SetNetShieldLevel(int level);

	virtual void   Distribute(double delivered_energy, double seconds);
	virtual void   DoEMCON(int emcon);

protected:
	bool           shield_capacitor;
	bool           shield_bubble;
	float          shield_factor;
	float          shield_level;
	float          shield_curve;
	float          shield_cutoff;
	float          requested_power_level;
	float          deflection_cost;
};

#endif Shield_h