using UnityEngine;
using System.Collections;

namespace SpartanFist
{
	/// <summary>
	/// This is a twiddler that is activated by punching - but you MUST punch it from the front, while facing it, and the punch must come from some actual parent-object.
	/// </summary>
	public class TwiddlerPunchable : Twiddler
	{
		/// <summary>
		/// Indicates we've been hit by something, and should probably be offended
		/// </summary>
		/// <param name="hitState">the stats wot hit us</param>
		public void FistHit(HitboxFistState hitState)
		{
			if (hitState.parentObject == null) { return; } // (it takes an actual person to hit us)

			float headingDot = Vector3.Dot(hitState.parentObject.transform.forward, gameObject.transform.forward);
			if (headingDot > 0.0f) { return; } // ... and they have to be facing us...

			headingDot = Vector3.Dot(hitState.parentObject.transform.position - gameObject.transform.position, gameObject.transform.forward);
			if (headingDot < 0.0f) { return; } // ... and they ALSO need to be in front of us, not hitting from the side or rear.

			// Otherwise, cool, we got punched! So we twiddle...
			bool hitRegistered = Twiddle(!toTwiddle.SwitchState);

			// ... and we let the hitter know if they successfully hit something. If we can't twiddle in that direction, they should probably get a <TANG!> kind of hit like they would if they hit an armored guy.
			hitState.HitResponse(this.gameObject, hitRegistered ? -1.0f : 0.0f);
		}
	}
}