//===========================================================================//
// File:	hud.hpp                                                             //
// Project: BattleTech           Brick: Mech subsystems                       //
// Contents: HUD -- the head-up display / targeting reticle subsystem         //
//---------------------------------------------------------------------------//
// Copyright (C) 1995, Virtual World Entertainment, Inc.                     //
// All Rights reserved worldwide                                             //
// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL               //
//===========================================================================//

#if !defined(HUD_HPP)
#	define HUD_HPP

#	if !defined(POWERSUB_HPP)
#		include <powersub.hpp>
#	endif

//#####################    Forward Class Declarations  #######################
	class Mech;

//###########################################################################
//######################   HUD Model Resource   ############################
//###########################################################################

	struct HUD__SubsystemResource:
		public PowerWatcher::SubsystemResource
	{
		Scalar	flickerRate;
		int		segmentPageIndex;
		Scalar	horizontalMovementPerSecond;
		Scalar	horizontalLimit;
	};

//###########################################################################
//################################   HUD   #################################
//###########################################################################

	class HUD:
		public PowerWatcher
	{
	public:
		static Derivation ClassDerivations;
		static SharedData DefaultData;

		typedef void
			(HUD::*Performance)(Scalar time_slice);
		void
			SetPerformance(Performance performance)
			{
				Check(this);
				activePerformance = (Simulation::Performance)performance;
			}

		static Logical
			TestClass(Mech &);
		Logical
			TestInstance() const;
		void
			HudSimulation(Scalar time_slice);

	public:
		typedef HUD__SubsystemResource SubsystemResource;

		HUD(
			Mech						*owner,
			int							subsystem_ID,
			SubsystemResource			*subsystem_resource,
			SharedData					&shared_data = DefaultData
		);
		~HUD();

	protected:
		Scalar	flickerRate;
		Scalar	rotationOfTorsoHorizontal;
		Scalar	torsoLimitRight;
		Scalar	torsoLimitLeft;
		Scalar	torsoSpeed;
		Scalar	rangeToTarget;
		int		scratch1F0;
		int		visible;
		int		lockFlag;
		Point3D	hotBoxVector;
		Point3D	threatVector;
		Scalar	compassHeading;
		Scalar	blinkTimer;
		Scalar	flickerTimer;
		int		blinkState;
		int		transitionFlag;
		Scalar	previousHorizontal;
		int		linkedEntity;
		Scalar	freeAimSlew;
		Scalar	scratch290;
		Scalar	horizontalTorsoOffset;
		Scalar	horizontalMovementPerSecond;
		Scalar	horizontalLimit;
		int		flickerActive;
	};

#endif