Added assets from old repo
This commit is contained in:
weedmjac000
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using Pathfinding;
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using System.Threading.Tasks;
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using System;
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using System.Linq;
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using System.Text;
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//Designed by Jacob Weedman
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//Use on warper type enemies
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public class WarperAI : MonoBehaviour
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{
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//MISC
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GameObject target;
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float nextWaypointDistance = 5;
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Path path;
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int currentWaypoint = 0;
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bool reachedEndOfPath = false;
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GameObject projectile;
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GameObject player;
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public List<GameObject> SuitablePositions;
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public List<GameObject> AllPositions;
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float DistanceFromPlayer;
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Vector2 StartPosition;
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public List<GameObject> PatrolPositions;
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GameObject LastKnownPlayerLocation;
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//CONDITIONS/GENERAL INFORMATION
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bool canJump = true;
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bool canMove = true; // Prevent all movement
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bool canPursue = false; // Follow player
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bool canFire = false;
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bool currentlyPatrolling;
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bool currentlyMovingToNextPatrolTarget = false;
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float DesiredDistance;
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float MinumumDistance = 15f;
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bool targetingPlayer = false;
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bool inFiringCycle = false;
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int NumberOfHitsPerMag = 0;
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bool canTeleport = true;
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//ENEMY STATS (Changeable)
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public float Speed = 0.7f; // In relation to player's walking speed
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public float JumpHeight = 0.7f; // In relation to player's regular jump height
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public float Health = 100;
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public float PatrolDistance = 10;
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public int PatrolStallTime = 2000; //ms
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public int PlayerDetectionRange = 25;
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public int TeleportCooldown = 500; //ms
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//WEAPON STATS (CHANGEABLE)
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public int WeaponRange = 30; // Maximum range of the projectile before it drops off
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public int WeaponFireRate = 5000; // ms
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public int WeaponDamage = 1;
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//REFERENCES
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Seeker seeker;
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Rigidbody2D rb;
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//ONCE THE GAME STARTS
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void Start()
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{
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seeker = GetComponent<Seeker>();
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rb = GetComponent<Rigidbody2D>();
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transform.Find("PursuingIndicator").GetComponent<SpriteRenderer>().enabled = false;
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StartPosition = transform.position;
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AllPositions = GameObject.FindGameObjectsWithTag("PossiblePositions").ToList();
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foreach (GameObject pos in AllPositions)
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{
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if (Vector2.Distance(pos.transform.position, StartPosition) <= PatrolDistance)
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{
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PatrolPositions.Add(pos);
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}
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}
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target = PatrolPositions[UnityEngine.Random.Range(0, PatrolPositions.Count)];
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projectile = GameObject.Find("EnemyProjectile");
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player = GameObject.FindGameObjectWithTag("Player");
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LastKnownPlayerLocation = null;
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DesiredDistance = WeaponRange - 5;
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InvokeRepeating("UpdatePath", 0f, 0.1f);
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InvokeRepeating("PathfindingTimeout", 0f, 30);
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}
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// When enemy has reached the next node
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void OnPathComplete(Path p)
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{
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if (!p.error)
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{
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path = p;
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currentWaypoint = 0;
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}
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}
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// Select next node
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void UpdatePath()
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{
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if (seeker.IsDone() && target != null)
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{
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seeker.StartPath(rb.position, target.transform.position, OnPathComplete);
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}
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}
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// Pathfiniding Timeout
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void PathfindingTimeout()
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{
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if (Vector2.Distance(transform.position, target.transform.position) > 0.5)
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{
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if (targetingPlayer == false)
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{
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target = gameObject;
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MoveNextPatrol();
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Teleport();
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}
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else
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{
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Teleport();
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}
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}
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}
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//MAIN LOGIC
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void FixedUpdate()
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{
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//DEATH
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if (Health <= 0)
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{
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GameObject DeadBody;
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DeadBody = Instantiate(gameObject, transform.position, Quaternion.identity);
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Destroy(GameObject.Find(DeadBody.name).GetComponent<TestEnemyAIGroundRanged>());
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Destroy(GameObject.Find(DeadBody.name).GetComponent<Seeker>());
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foreach (Transform child in DeadBody.transform) {
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GameObject.Destroy(child.gameObject);
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}
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Destroy(gameObject);
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}
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//ICONS
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if (targetingPlayer)
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{
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transform.Find("PursuingIndicator").GetComponent<SpriteRenderer>().enabled = true;
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}
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else
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{
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transform.Find("PursuingIndicator").GetComponent<SpriteRenderer>().enabled = false;
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}
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//MISC PATHFINDING
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if (path == null)
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return;
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if (target == null)
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return;
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if (currentWaypoint >= path.vectorPath.Count)
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{
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reachedEndOfPath = true;
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return;
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}
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else
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{
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reachedEndOfPath = false;
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}
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//RANGED ATTACK
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// Check if enemy has line of sight on the player & if they are in the acceptable range
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if ( canFire == true && currentlyPatrolling == false)
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{
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if (DetermineLineOfSight(gameObject, player) == true && Vector2.Distance(transform.position, player.transform.position) <= WeaponRange && Vector2.Distance(transform.position, player.transform.position) <= DesiredDistance)
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{
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UseWeapon();
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}
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}
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//MOVEMENT
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if (canMove == true)
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{
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canFire = false;
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Vector2 direction = (Vector2)path.vectorPath[currentWaypoint] - rb.position;
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//float xDirection = target.transform.position.x - transform.position.x;
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if (direction.x > 0) // Move right
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{
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rb.AddForce(new Vector2(Speed * 20, rb.linearVelocity.y));
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}
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if (direction.x < 0) // Move left
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{
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rb.AddForce(new Vector2(-1 * Speed * 20, rb.linearVelocity.y));
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}
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if (direction.y > 1f && targetingPlayer == false) // Wants to jump
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{
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JumpMethod();
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}
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// A* logic
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float distance = Vector2.Distance(rb.position, path.vectorPath[currentWaypoint]);
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if (distance < nextWaypointDistance)
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{
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currentWaypoint++;
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}
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}
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//GROUND DETECTION
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//Detecting if the enemy has reached the ground
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if (GetComponentInChildren<GroundCheck>().isGrounded == true && rb.linearVelocity.y == 0)
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{
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canJump = true;
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if (inFiringCycle == false)
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{
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canFire = true;
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}
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}
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else
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{
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canJump = false;
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canFire = false;
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}
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//PATROL & DETECTION
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// Enemy detects player
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if (DetermineLineOfSight(gameObject, player) == true && Vector2.Distance(transform.position, player.transform.position) <= PlayerDetectionRange)
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{
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currentlyPatrolling = false;
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targetingPlayer = true;
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canPursue = true;
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// Get the last know player location by finding which of the positions is closest to the player
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if (LastKnownPlayerLocation == null)
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{
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LastKnownPlayerLocation = gameObject;
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}
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foreach (GameObject pos in AllPositions)
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{
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if (Vector2.Distance(player.transform.position, pos.transform.position) < Vector2.Distance(player.transform.position, LastKnownPlayerLocation.transform.position))
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{
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LastKnownPlayerLocation = pos;
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}
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}
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}
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// Player has broken line of sight and the enemy will attempt to move to the last known location
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else if (LastKnownPlayerLocation != null)
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{
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if (Vector2.Distance(transform.position, LastKnownPlayerLocation.transform.position) > 0.5)
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{
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canPursue = false;
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target = LastKnownPlayerLocation;
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Teleport();
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}
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if (Vector2.Distance(transform.position, LastKnownPlayerLocation.transform.position) < 0.5 && DetermineLineOfSight(player, gameObject) == false)
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{
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targetingPlayer = false;
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LastKnownPlayerLocation = null;
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}
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}
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// Go back to patrol move
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else
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{
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currentlyPatrolling = true;
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targetingPlayer = false;
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if (canMove == true && currentlyMovingToNextPatrolTarget == false)
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{
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MoveNextPatrol();
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}
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}
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//TARGET DETERMINATION
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if (canPursue == true)
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{
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// If enemy is at the target position (CHANGE TARGET)
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if (Vector2.Distance(target.transform.position, transform.position) < 1.5 && canTeleport)
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{
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ComputeClosestPositionToPlayer();
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}
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// If the player moves away (CHANGE TARGET)
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if (Vector2.Distance(target.transform.position, player.transform.position) > DesiredDistance)
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{
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ComputeClosestPositionToPlayer();
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}
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// If the player is too close to the target (CHANGE TARGET)
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if (Vector2.Distance(target.transform.position, player.transform.position) < MinumumDistance)
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{
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ComputeClosestPositionToPlayer();
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}
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// If the target is on the other side of the player (CHANGE TARGET)
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if (Vector2.Distance(transform.position, player.transform.position) < Vector2.Distance(target.transform.position, player.transform.position))
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{
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ComputeClosestPositionToPlayer();
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}
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// If the player is not within line of sight of the desired position (CHANGE TARGET)
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if (DetermineLineOfSight(target, player) == false)
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{
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ComputeClosestPositionToPlayer();
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}
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// Teleport enemy
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if (canTeleport)
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{
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if (Vector2.Distance(transform.position, target.transform.position) > 0.5)
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{
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Teleport();
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}
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}
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// If the enemy reaches the target
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if (Vector2.Distance(target.transform.position, transform.position) <= 1 && DetermineLineOfSight(gameObject, player))
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{
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if (canFire == false && inFiringCycle == false)
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{
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canFire = true;
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}
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}
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}
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}
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//MISC METHODS
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// Perform jump
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async Task JumpMethod()
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{
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rb.linearVelocity = new Vector2(rb.linearVelocity.x, JumpHeight * 12);
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canJump = false;
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await Task.Delay(500);
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}
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// Use Weapon
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async Task UseWeapon()
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{
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canFire = false;
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canMove = false;
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inFiringCycle = true;
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GameObject EvilAura;
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EvilAura = Instantiate(GameObject.Find("EvilAura"), new Vector3(transform.position.x + UnityEngine.Random.Range(-0.5f, 0.5f), transform.position.y + UnityEngine.Random.Range(-0.5f, 0.5f), GameObject.Find("EvilAura").transform.position.z), Quaternion.identity);
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EvilAura.transform.rotation = Quaternion.Euler(Vector3.forward * UnityEngine.Random.Range(-90, 90));
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// Send it on its way
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EvilAura.GetComponent<Rigidbody2D>().linearVelocity = new Vector2(transform.position.x - player.transform.position.x, transform.position.y - player.transform.position.y).normalized * WeaponRange * -1;
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//Set Variables
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EvilAura.GetComponent<EnemyParticleWeapon>().destroy = true;
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EvilAura.GetComponent<EnemyParticleWeapon>().opacity = true;
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EvilAura.GetComponent<EnemyParticleWeapon>().rotate = true;
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EvilAura.GetComponent<EnemyParticleWeapon>().damageAmmount = WeaponDamage;
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await Task.Delay(WeaponFireRate);
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canFire = true;
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canMove = true;
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inFiringCycle = false;
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}
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// Part of the patrol cycle
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async Task MoveNextPatrol()
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{
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LastKnownPlayerLocation = null;
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DesiredDistance = WeaponRange - 5;
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canPursue = false;
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currentlyMovingToNextPatrolTarget = true;
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//Find Random Position nearby
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if (Vector2.Distance(transform.position, target.transform.position) <= 0.5 || PatrolPositions.Contains(target) == false)
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{
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target = PatrolPositions[UnityEngine.Random.Range(0, PatrolPositions.Count)];
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await Task.Delay(PatrolStallTime + UnityEngine.Random.Range((PatrolStallTime * -1), PatrolStallTime));
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}
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currentlyMovingToNextPatrolTarget = false;
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}
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// General Utility
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bool DetermineLineOfSight(GameObject object1, GameObject object2)
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{
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Vector3 RaycastStart = object1.transform.position;
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Vector3 RaycastDirection = (object2.transform.position - object1.transform.position).normalized;
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float RaycastDistance = Vector3.Distance(object2.transform.position, object1.transform.position);
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if (Physics2D.Raycast(RaycastStart, RaycastDirection, RaycastDistance, LayerMask.GetMask("SolidGround")) == false)
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{
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Debug.DrawRay(RaycastStart, RaycastDirection * RaycastDistance);
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return true;
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}
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else
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{
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return false;
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}
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}
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// Teleport
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async Task Teleport()
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{
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canTeleport = false;
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transform.position = target.transform.position;
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await Task.Delay(TeleportCooldown + UnityEngine.Random.Range(0, TeleportCooldown / 2));
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canTeleport = true;
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}
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// Part of the pursue cycle
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void ComputeClosestPositionToPlayer()
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{
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canFire = false;
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canMove = true;
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SuitablePositions.Clear();
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foreach (GameObject query in AllPositions)
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{
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// Check the distance of the position
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if (Vector2.Distance(query.transform.position, player.transform.position) < 30 && Vector2.Distance(query.transform.position, player.transform.position) >= 10)
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{
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// Check line of sight of the position
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if (DetermineLineOfSight(query, player))
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{
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SuitablePositions.Add(query);
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}
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}
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}
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if (SuitablePositions.Count > 0)
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{
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target = SuitablePositions[UnityEngine.Random.Range(0, SuitablePositions.Count)];
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}
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}
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}
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Reference in New Issue
Block a user