#include "ai_player.h"

#include <stdlib.h>

AI_Player::AI_Player(int id, int x, int y, QCanvasSprite* sprite)
	: Player(id, x, y, sprite)
{
	m_direction = Down;
	m_counter = 0;
	xwaypoints = NULL;
	ywaypoints = NULL;
	m_waypoints = 0;
	m_firstwaypoint = 0;
}

void AI_Player::direction(Direction direction)
{
	m_direction = direction;
}

AI_Player::Direction AI_Player::direction(void)
{
	return m_direction;
}

void AI_Player::clearWaypoints()
{
	if(m_waypoints)
	{
		free(xwaypoints);
		free(ywaypoints);
		xwaypoints = NULL;
		ywaypoints = NULL;
		m_waypoints = 0;
		m_firstwaypoint = 0;
	}
}

void AI_Player::pushWaypoint(int x, int y)
{
	xwaypoints = (int*)realloc(xwaypoints, sizeof(int) * (m_waypoints + 1));
	ywaypoints = (int*)realloc(ywaypoints, sizeof(int) * (m_waypoints + 1));
	xwaypoints[m_waypoints] = x;
	ywaypoints[m_waypoints] = y;
	m_waypoints++;
}

int AI_Player::nextX()
{
	if(m_firstwaypoint < m_waypoints) return xwaypoints[m_firstwaypoint];
	return -1;
}

int AI_Player::nextY()
{
	if(m_firstwaypoint < m_waypoints) return ywaypoints[m_firstwaypoint];
	return -1;
}

void AI_Player::popWaypoint()
{
	if(m_firstwaypoint <= m_waypoints) m_firstwaypoint++;
}

int AI_Player::numWaypoints()
{
	return m_waypoints - m_firstwaypoint;
}