ef2gamesource/dlls/game/snipeEnemy.hpp

//-----------------------------------------------------------------------------
//
//  $Logfile:: /Code/DLLs/game/torsoAimAndFireWeapon.hpp		              $
// $Revision:: 169                                                            $
//   $Author:: sketcher                                                       $
//     $Date:: 4/26/02 2:22p                                                  $
//
// Copyright (C) 2002 by Ritual Entertainment, Inc.
// All rights reserved.
//
// This source may not be distributed and/or modified without
// expressly written permission by Ritual Entertainment, Inc.
//
//
// DESCRIPTION:
// SnipeEnemy Behavior Definition
//
//--------------------------------------------------------------------------------


//==============================
// Forward Declarations
//==============================
class SnipeEnemy;

#ifndef __SNIPE_ENEMY___
#define __SNIPE_ENEMY___

#include "behavior.h"
#include "behaviors_general.h"

//------------------------- CLASS ------------------------------
//
// Name:           TorsoAimAndFireWeapon
// Base Class:     Behavior
//
// Description:    Aims the torso at the current enemy ( If the
//				   current enemy is within the passed in limits )
//				   
//
// Method of Use:  Called From State Machine
//--------------------------------------------------------------
class SnipeEnemy : public Behavior {
	public:
	//------------------------------------
	// States
	//------------------------------------
	typedef enum {
		SNIPE_AIM_AND_FIRE_AIM,
		SNIPE_AIM_AND_FIRE_PRE_FIRE,
		SNIPE_AIM_AND_FIRE_ATTACK,
		SNIPE_AIM_AND_FIRE_POST_FIRE,
		SNIPE_AIM_AND_FIRE_SUCCESS,
		SNIPE_AIM_AND_FIRE_FAILED
	} SnipeAimAndFireStates_t;

	//-------------------------------------
	// Public Interface
	//-------------------------------------
	CLASS_PROTOTYPE(SnipeEnemy);

	SnipeEnemy();
	~SnipeEnemy();

	void SetArgs(Event* ev);
	void AnimDone(Event* ev);

	void Begin(Actor& self);
	BehaviorReturnCode_t Evaluate(Actor& self);
	void End(Actor& self);

	// Accessors		
	virtual void Archive(Archiver& arc);

	protected:
	//-------------------------------------
	// Internal Functionality
	//-------------------------------------
	void transitionToState(SnipeAimAndFireStates_t state);
	void setInternalState(SnipeAimAndFireStates_t state, const str& stateName);
	void init(Actor &self);
	void think();
	void updateEnemy();
	void AdjustTorsoAngles(const Vector& tagPos, const Vector& watchPosition);
	void LerpTorsoBySpeed(const Vector& angleDelta);

	void setupStateAim();
	BehaviorReturnCode_t evaluateStateAim();
	void failureStateAim(const str& failureReason);

	void setupStatePreFire();
	BehaviorReturnCode_t evaluateStatePreFire();
	void failureStatePreFire(const str& failureReason);

	void setupStateAttack();
	BehaviorReturnCode_t evaluateStateAttack();
	void failureStateAttack(const str& failureReason);

	void setupStatePostFire();
	BehaviorReturnCode_t evaluateStatePostFire();
	void failureStatePostFire(const str& failureReason);

	private:
	//------------------------------------
	// Parameters
	//------------------------------------
	float _aimTime;
	float _lockDownTime;
	float _maxTorsoYaw;
	float _maxTorsoPitch;
	float _maxTorsoTurnSpeed;
	int _shots;

	//-------------------------------------
	// Components
	//-------------------------------------
	FireWeapon _fireWeapon;

	//-------------------------------------
	// Member Variables
	//-------------------------------------
	SnipeAimAndFireStates_t _state;
	Vector _currentTorsoAngles;
	float _endAimTime;
	float _endLockDownTime;
	EntityPtr _currentEnemy;
	bool _canAttack;
	bool _animDone;
	str _aimAnim;
	str _preFireAnim;
	str _fireAnim;
	str _postFireAnim;
	bool _fireFailed;
	Vector _lastGoodPosition;
	Vector _targetSpread;
	Actor* _self;
};

inline void SnipeEnemy::Archive(Archiver& arc) {
	Behavior::Archive(arc);

	//
	// Archive Parameters
	//	
	arc.ArchiveFloat(&_aimTime);
	arc.ArchiveFloat(&_lockDownTime);
	arc.ArchiveFloat(&_maxTorsoYaw);
	arc.ArchiveFloat(&_maxTorsoPitch);
	arc.ArchiveFloat(&_maxTorsoTurnSpeed);
	arc.ArchiveInteger(&_shots);
	arc.ArchiveVector(&_lastGoodPosition);
	arc.ArchiveVector(&_targetSpread);


	//
	// Archive Components
	//	
	arc.ArchiveObject(&_fireWeapon);

	//
	// Archive Member Variables
	//
	ArchiveEnum(_state, SnipeAimAndFireStates_t);
	arc.ArchiveVector(&_currentTorsoAngles);

	arc.ArchiveFloat(&_endAimTime);
	arc.ArchiveFloat(&_endLockDownTime);
	arc.ArchiveSafePointer(&_currentEnemy);
	arc.ArchiveBool(&_canAttack);
	arc.ArchiveBool(&_animDone);
	arc.ArchiveString(&_aimAnim);
	arc.ArchiveString(&_preFireAnim);
	arc.ArchiveString(&_fireAnim);
	arc.ArchiveString(&_postFireAnim);
	arc.ArchiveBool(&_fireFailed);

	arc.ArchiveObjectPointer((Class **)&_self);
}


#endif /* __SNIPE_ENEMY__ */