gistfile1.cs

using UnityEngine;
using System.Collections;

public class ReaperAI : MonoBehaviour {
	
	int S_IDLE = 0;
	int S_ROAM = 1;
	int S_CHASE = 2;
	int S_GIVEUP = 3;
	
	public int currentSchedule = 0;
	
	//double lastStartedChase = 0;
	double lastScheduleSwitch;
	double nextScheduleSwitch;
	
	bool walkingRight = true;
	
	Vector3 lastDistToMack;
	
	BoxCollider visionCollider;
	CharacterController character;
	GameObject currentTarget;

	// Use this for initialization
	void Start () {
		lastScheduleSwitch = Time.time;
		nextScheduleSwitch = Time.time+2;
		visionCollider = GetComponent<BoxCollider>();
		character = GetComponent<CharacterController>(); 
	}
	
	void setAnimations() {
		switch(currentSchedule) {
			case 0: // S_IDLE
				animation.CrossFade("idle",0.1f);
				transform.LookAt(transform.position+new Vector3(0,0,-1));
				break;
			case 1: // S_ROAM
				animation.CrossFade("run",0.1f);
				if(character.velocity.x>0 && character.velocity.x!=0) transform.LookAt(transform.position+new Vector3(1,0,0));
				else if(character.velocity.x!=0) transform.LookAt(transform.position+new Vector3(-1,0,0));
				break;
			case 2: // S_CHASE
				if(lastDistToMack.magnitude>2)
					animation.CrossFade("sprint",0.1f);
				else animation.CrossFade("attack",0.1f);
				if(character.velocity.x>0 && character.velocity.x!=0) transform.LookAt(transform.position+new Vector3(1,0,0));
				else if(character.velocity.x!=0) transform.LookAt(transform.position+new Vector3(-1,0,0));
				break;
			case 3: // S_GIVEUP
				animation.CrossFade("idle",0.1f);
				transform.LookAt(transform.position+new Vector3(0,0,-1));
				break;
			default:
				break;
		}
	}
	
	// Update is called once per frame
	void Update () {
		
		if(Time.time>nextScheduleSwitch) {
			nextScheduleSwitch = Time.time+2;
			switch(currentSchedule) {
				case 0: // S_IDLE
					// Switch to roaming around now
					currentSchedule = S_ROAM;
					walkingRight = !walkingRight;
					break;
				case 1: // S_ROAM
					currentSchedule = S_IDLE;
					break;
				case 2: // S_CHASE
					currentSchedule = S_GIVEUP;
					break;
				case 3: // S_GIVEUP
					// Switch to roaming around now
					currentSchedule = S_ROAM;
					walkingRight = !walkingRight;
					break;
				default:
					break;
			}
		}
		
		lastDistToMack = new Vector3(1,1,1);
		if(currentTarget) {
			lastDistToMack = currentTarget.transform.position - transform.position;
		}
		
		//float distToMack = 5;
		
		Vector3 movement = new Vector3(0,0,0);
		
		if(currentSchedule == S_ROAM) {
			if(walkingRight) movement.x = 5;
			else movement.x = -5;
		}
		
		if(currentSchedule == S_CHASE) {
			if(lastDistToMack.magnitude>2) {
				if(!walkingRight) movement.x = 17*lastDistToMack.normalized.x;
				else movement.x = -17*lastDistToMack.normalized.x;
			}
			else {
				//Mack should die now
				//PlayerController iMack = currentTarget.GetComponent<PlayerController>();
				//currentTarget.velocity = new Vector3(0,100,0);
				//character = GetComponent<CharacterController>(); 
			}
		}
		
		if(!character.isGrounded) {
			// Not touching ground
			movement.y = Physics.gravity.y*0.5f;
		}
		
		//if(currentSchedule!=S_CHASE) {
			// Not chasing anyone at the moment, check around for candidates
		//}
	
		
		character.Move(movement*Time.deltaTime);
		
		setAnimations();
		
	}
	
	
	void OnTriggerEnter (Collider other) {
		// Something touched me, WHO IS TOUCHING ME?!?!
		if(other.gameObject.tag=="Player") {
			// IT'S A FUCKING PLAYER, STAB TIME!
			currentTarget = other.gameObject;
			currentSchedule = S_CHASE;
			lastScheduleSwitch = Time.time;
			nextScheduleSwitch = Time.time+15;
		}
	}
	
	void OnTriggerExit (Collider other) {
		nextScheduleSwitch = Time.time+5;
	}
	
	void OnCollisionEnter(Collision collision) {
	// Debug-draw all contact points and normals
	//for (var contact : ContactPoint in collision.contacts) {
	foreach( ContactPoint contact in collision.contacts) {
		Debug.DrawRay(contact.point, contact.normal, Color.white);
		Debug.Log("Done collided!");
	}
	
	// Play a sound if the coliding objects had a big impact.
	//if (collision.relativeVelocity.magnitude > 2)
	//audio.Play();
	}
	

	
}