//===========================================================================//
// File:	messmgr.hh                                                          //
// Project: BattleTech                         										  //
// Contents:  Consolidates Messages from Subsystems and Graphics Generation  //
//---------------------------------------------------------------------------//
//   Date    Who  Modification                                               //
// --------  ---  ---------------------------------------------------------- //
// 09/30/95  JM  Initial coding.                                             //
//---------------------------------------------------------------------------//
// Copyright (C) 1995, Virtual World Entertainment, Inc. All Rights reserved //
//                   	PROPRIETARY AND CONFIDENTIAL                         //
//===========================================================================//

#if !defined (MESSMGR_HPP)
#	define MESSMGR_HPP

#if !defined (SUBSYSTM_HPP)
#	include <subsystm.hpp>
#endif

#if !defined (RESOURCE_HPP)
#	include <resource.hpp>
#endif

#if !defined (VCHAIN_HPP)
#	include <vchain.hpp>
#endif

#if !defined (PLUG_HPP)
#	include <plug.hpp>
#endif

#if !defined(ENTITYID_HPP)
#	include <entityid.hpp>
#endif

class Entity;
class Mech;
class Entity__TakeDamageMessage;

//##########################################################################
//##########    SubsystemMessageManager::SubsystemResource   ###############
//##########################################################################
struct SubsystemMessageManager__SubsystemResource :
	public Subsystem::SubsystemResource
{
	ResourceDescription::ResourceID
		terrainHitExplosionID;

	Scalar
		rendererCompensateTime;
};

//##########################################################################
//#####################    SubsystemMessageManager       ###################
//##########################################################################
class
	  SubsystemMessageManager :
	public Subsystem

{
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Shared Data Support
//
	public:
		static Derivation ClassDerivations;
		static SharedData DefaultData;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Death and Damage Support
//

	public:

		void DeathReset(Logical) {}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Model Support
//
	protected:

		struct CommonDamageInformation
		{
			Entity
				*entityHit;

			int
				damageZoneIndex;

			Point3D
				impactPoint;

		} commonDamageInformation;

	public:

		struct	DamageInformation
			: public Plug
		{
			Enumeration
				damageType;

			int
				subsystemID;
		};

		typedef void
			(SubsystemMessageManager::*Performance)(Scalar time_slice);

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

		Mech*
			GetEntity()
				{Check(this); return Cast_Object(Mech*, Subsystem::GetEntity());}

	protected:

		Scalar
			rendererCompensateTime;

		typedef PlugOf<ResourceDescription::ResourceID>
			ResourceIDPlug;

		VChainOf<ResourceIDPlug*, ResourceDescription::ResourceID>
			weaponExplosions;

		VChainOf<DamageInformation*, Scalar> damageInformation;

		ResourceDescription::ResourceID
			terrainHitExplosionID;

		void
			CreateWeaponExplosions(
				Logical terrain_hit,
				EntityID entity_hit,
				Point3D explode_position
			);

	public:

		void
			AddDamageMessage(
				Entity *damaged_entity,
				Entity__TakeDamageMessage *message
			);

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Construction and Destruction Support
//
	public:

		typedef SubsystemMessageManager__SubsystemResource SubsystemResource;

		SubsystemMessageManager(
			Mech *owner,
			int subsystem_ID,
			SubsystemResource *sub_res,
			SharedData &shared_data=DefaultData
		);

		~SubsystemMessageManager();

		Logical
      	TestInstance() const;

		static Logical
			CreateStreamedSubsystem(
				ResourceFile					*resource_file,
				NotationFile					*model_file,
				const char						*model_name,
				const char						*subsystem_name,
				SubsystemResource *subsystem_resource,
				NotationFile					*subsystem_file,
				const ResourceDirectories	*directories
			);
};
#endif