ef2gamesource/dlls/game/closeInOnEnemy.hpp

//-----------------------------------------------------------------------------
//
//  $Logfile:: /Code/DLLs/game/closeInOnEnemy.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:
// CloseInOnEnemy Behavior Definition
//
//--------------------------------------------------------------------------------

//==============================
// Forward Declarations
//==============================
class CloseInOnEnemy;

#ifndef __CLOSE_IN_ON_ENEMY_HPP__
#define __CLOSE_IN_ON_ENEMY_HPP__

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

//------------------------- CLASS ------------------------------
//
// Name:           CloseInOnEnemy
// Base Class:     Behavior
//
// Description:    Makes the actor move closer to its current enemy
//
// Method of Use:  Called From State Machine
//--------------------------------------------------------------
class CloseInOnEnemy : public Behavior {
	public:
	//------------------------------------
	// States
	//------------------------------------
	typedef enum {
		CLOSE_IN_ON_ENEMY_APPROACH,
		CLOSE_IN_ON_ENEMY_SUCCESS,
		CLOSE_IN_ON_ENEMY_FAILED
	} closeInOnEnemyStates_t;

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

	CloseInOnEnemy();
	~CloseInOnEnemy();

	void SetArgs(Event* ev);
	void Begin(Actor& self);
	BehaviorReturnCode_t Evaluate(Actor& self);
	void End(Actor& self);
	virtual void Archive(Archiver& arc);

	void setAnim(const str& animName);
	void setTorsoAnim(const str& animName);
	void setDist(float distance);

	//-------------------------------------
	// Internal Functionality
	//-------------------------------------
	protected:
	void transitionToState(closeInOnEnemyStates_t state);
	void setInternalState(closeInOnEnemyStates_t state, const str& stateName);
	void init(Actor& self);
	void think();
	void updateEnemy();
	void setTorsoAnim();

	void setupStateApproach();
	BehaviorReturnCode_t evaluateStateApproach();
	void failureStateApproach(const str& failureReason);

	private:
	//------------------------------------
	// Parameters
	//------------------------------------
	str	_anim;
	str	_torsoAnim;
	float _dist;

	//-------------------------------------
	// Components
	//-------------------------------------
	GotoEntity _chaseEnemy;

	//-------------------------------------
	// Member Variables
	//-------------------------------------
	closeInOnEnemyStates_t _state;
	EntityPtr _currentEnemy;
	Actor* _self;

};

inline void CloseInOnEnemy::setAnim(const str& animName) {
	_anim = animName;
}

inline void CloseInOnEnemy::setTorsoAnim(const str& animName) {
	_torsoAnim = animName;
}

inline void CloseInOnEnemy::setDist(float distance) {
	_dist = distance;
}

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

	// Archive Parameters
	arc.ArchiveString(&_anim);
	arc.ArchiveString(&_torsoAnim);
	arc.ArchiveFloat(&_dist);

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

	// Archive Member Variables
	ArchiveEnum(_state, closeInOnEnemyStates_t);
	arc.ArchiveSafePointer(&_currentEnemy);
	arc.ArchiveObjectPointer((Class **)&_self);
}

#endif /* CLOSE_IN_ON_ENEMY_HPP */