/*
 * Copyright (c) 2016-2022 Marco Cawthorne <marco@icculus.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#define COST_INFINITE 99999
#define BOTROUTE_DESTINATION	-1
#define BOTROUTE_END			-2

typedef enum
{
	BOT_PERSONALITY_NORMAL,		/* this bot will be dynamic */
	BOT_PERSONALITY_AGRESSIVE,	/* this bot will always prefer to be attacking */
	BOT_PERSONALITY_DEFENSIVE	/* this bot will always prefer to stay behind */
} botpersonality_t;

typedef enum
{
	BOT_STATE_IDLE,			/* this should rarely happen */
	BOT_STATE_PATROLLING,	/* this is basically most deathmatch cases */
	BOT_STATE_DEFENDING,	/* this is for when bots stay put and stay around spawn, or their teams goalitem */
	BOT_STATE_ATTACKING,	/* this is for when bots go to the enemy spawn, or to the enemy team's goalitem */
	BOT_STATE_FLEEING		/* this is for when the AI should just get as far away as possible */
} botstate_t;

class bot:player
{
	/* routing */
	int m_iNodes;
	int m_iCurNode;
	nodeslist_t *m_pRoute;
	float m_flNodeGiveup;
	float m_flLastDist;
	entity m_eDestination;
	vector m_vecLastNode;

	/* combat */
	entity m_eTarget;
	int m_iAttackMode;
	float m_flAttackTime;

	/* items */
	int m_iOldItems;

	/* visual */
	float m_flSeeTime;

	/* personality and state */
	botstate_t m_bsState;
	botpersonality_t m_bpPersonality;

	/* cache, these are just here so we won't have to calc them often */
	float m_flEnemyDist;
	weapontype_t m_wtWeaponType;
	vector m_vecLastPOI;

	void(void) bot;

	virtual void(botstate_t) SetState;
	virtual botstate_t(void) GetState;
	virtual botpersonality_t(void) GetPersonality;

	virtual void(string) ChatSay;
	virtual void(string) ChatSayTeam;
	virtual void(void) Pain;
	virtual void(void) RouteClear;
	virtual void(void) WeaponThink;
	virtual void(void) WeaponAttack;
	virtual void(void) SeeThink;
	virtual void(int, int) BrainThink;
	virtual void(void) RunAI;
	virtual void(vector) NewRoute;
	virtual void(void) CreateObjective;
	virtual void(void) CheckRoute;
	virtual void(void) PreFrame;
	virtual void(void) PostFrame;
	virtual void(void) UseButton;
	virtual void(entity) SetEnemy;
	virtual float(void) GetRunSpeed;
	virtual float(void) GetWalkSpeed;
};

entity Bot_AddQuick(void);