using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

public class Actor:MonoBehaviour {
    public List<Transform> losMarkers = new List<Transform>();

    public bool HasLineOfSightToActor(Actor actor, Vector3 fromPos, float minScore) {
        if (!actor) return false;
        float score = 0.0f;
        float totalTests = 1.0f+actor.losMarkers.Count;

        if (TestLineOfSight(actor, fromPos, actor.transform.position)) {
            score++;
        }

        for (int i = 0; i < actor.losMarkers.Count; i++) {
            if (TestLineOfSight(actor, fromPos, actor.losMarkers[i].position)) {
                score++;
            }
        }

        score /= totalTests;

        if (score >= minScore) {
            return true;
        }
        return false;
    }

    public bool TestLineOfSight(Actor actor, Vector3 fromPos,Vector3 pos) {
        RaycastHit hit;
        if (Physics.Linecast(fromPos,pos,out hit)) {
            if (hit.collider.gameObject != actor.gameObject) {
                Debug.DrawLine(fromPos,pos,new Color(1,0,0,1));
                return false;
            }
        }
        Debug.DrawLine(fromPos,pos,new Color(0,1,0,1));
        return true;
    }
}