Civilian

using System;
using Pathfinding;
using UnityEngine;
using Random = UnityEngine.Random;

public class Civilian : MonoBehaviour, IAI {

    // this script sits on every walking AI character
    // it communicates with an AI manager that gives new destinations

    private AIManager _aiManager;
    private AIPath _agent;
    private Animator _ani;

    [SerializeField] private AnimationClip walkAnimation, idleAnimation;

    [SerializeField] private float speed;

    [SerializeField] private Material[] materials;

    private void Awake() {
        agent = GetComponent<AIPath>();
        //agent.speed = Random.Range(speed -1, speed +1); // random speed
        agent.maxSpeed = speed;

        _ani = transform.GetChild(0).GetComponent<Animator>();
        if(_ani == null) Debug.Log("Animator not found on " + name);

        // randomize material and hat
        Transform materialChild = transform.GetChild(0).GetChild(1);
        Transform hatChild = transform.GetChild(0).GetChild(3);

        if(materialChild) {
            materialChild.GetComponent<SkinnedMeshRenderer>().material =
                materials[Random.Range(0, materials.Length)];
        }

        if(hatChild) {
            hatChild.gameObject.SetActive(Random.value >= .4f); // 40% chance to spawn without hat
            hatChild.GetComponent<SkinnedMeshRenderer>().material = materials[Random.Range(0, materials.Length)];
        }
    }

    private void Update() {
        if(agent.remainingDistance < 1f) {
            SetDestination(aiManager.GetNewDestination());
            _ani.SetBool("Walking", false);
        }
    }

    public void SetDestination(Vector3 targetDestination) {
        agent.destination = targetDestination;
        _ani.SetBool("Walking", true);
    }

    public void SetAstar(AIManager newAIManager) {
        aiManager = newAIManager;
    }
}