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340 lines
14 KiB
C#
340 lines
14 KiB
C#
4 years ago
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Events;
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using MalbersAnimations.Events;
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using MalbersAnimations.Scriptables;
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using MalbersAnimations.Controller;
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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 System.Linq;
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using MalbersAnimations.Scriptables;
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using UnityEngine.Events;
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public class Grapple : MonoBehaviour
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{
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public MalbersAnimations.Controller.MAnimal Player;
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public GameObject Camera;
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public GameObject AttachmentPrefab;
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public GameObject ropeSegment;
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private GameObject attachment;
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private Vector3 attachedPoint;
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private Rigidbody attachedObject;
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private MalbersAnimations.Controller.MAnimal attachedCharacter;
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public float RopeSegmentLength;
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public bool isAttached;
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public float minDistance = 1.0f;
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public float maxDistance = 30.0f;
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public float pullForce = 20.0f;
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public float MaxPullForce = 25.0f;
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public float PushForce = 30.0f;
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public float pullAccel = 20.0f;
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public float playerWidth = 0.5f;
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public float playerHeight = 1.6f;
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public float playerHeightBuffer = 0.5f;
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public float breakChainTime = 0.5f;
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public float breakChainDistance = 0.5f;
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public float defaultRopeSegmentOrientation = 90.0f;
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private GameObject chain;
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private bool limitingPosition;
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private bool hasPullChainInputSequenceStarted;
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private bool inputPaused;
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private float pullChainInputTiming = 0.5f;
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private float inputPauseTiming = 1.0f;
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private float timer = 0.0f;
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private bool grappling;
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bool CheckInputDepressedThisFrame()
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{
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if (grappling)
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{
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grappling = false;
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return true;
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}
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return Input.GetAxis("Fire1") > 0.0f;
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}
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public virtual void StartGrapple()
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{
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grappling = true;
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}
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// Start is called before the first frame update
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void Start()
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{
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chain = new GameObject("Chain");
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chain.AddComponent<LineRenderer>();
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}
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// Update is called once per frame
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void Update()
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{
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timer += Time.deltaTime;
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if (inputPaused)
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{
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if (timer < inputPauseTiming)
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{
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return;
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}
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else
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{
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inputPaused = false;
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}
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}
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var cameraTransform = Camera.transform;
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if (attachment != null)
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{
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attachedPoint = attachment.transform.position;
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}
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if (Vector3.Distance(Player.transform.position, attachedPoint) > maxDistance)
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{
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//check if time limit has passed for being beyond distance limit without breaking
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}
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if (Vector3.Distance(Player.transform.position, attachedPoint) > maxDistance + breakChainDistance)
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{
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if (attachment != null)
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{
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GameObject.Destroy(attachment);
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var lineRenderer = chain.GetComponent<LineRenderer>();
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lineRenderer.SetWidth(0, 0);
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}
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if (ropeSegment != null)
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{
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GameObject.Destroy(ropeSegment);
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}
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isAttached = false;
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return;
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}
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if (isAttached)
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{
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// limit the position of both sides of the chain to the length of the chain
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// // //
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// //
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if (Vector3.Distance(Player.transform.position, attachedPoint) > maxDistance)
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{
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var forceHeading = attachedPoint - cameraTransform.position;
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var forceDirection = forceHeading / forceHeading.magnitude;
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if (Player.GetComponent<Rigidbody>().velocity.x > MaxPullForce
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|| Player.GetComponent<Rigidbody>().velocity.x < -MaxPullForce
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|| Player.GetComponent<Rigidbody>().velocity.y > MaxPullForce
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|| Player.GetComponent<Rigidbody>().velocity.y < -MaxPullForce)
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{
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Player.Force_Add(forceDirection, Vector3.Distance(Player.transform.position, attachedPoint), pullForce * 0.05f, false );
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}
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if (attachedObject != null && attachedObject.velocity != null && attachedObject.velocity.x > MaxPullForce
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|| attachedObject.velocity.x < -MaxPullForce
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|| attachedObject.velocity.y > MaxPullForce
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|| attachedObject.velocity.y < -MaxPullForce)
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{
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attachedObject.AddForce(-forceDirection * Vector3.Distance(Player.transform.position, attachedPoint) * pullForce * 0.05f);
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}
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if (attachedCharacter != null && attachedCharacter.GetComponent<Rigidbody>().velocity.x > MaxPullForce
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|| attachedCharacter.GetComponentInParent<Rigidbody>().velocity.x < -MaxPullForce
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|| attachedCharacter.GetComponentInParent<Rigidbody>().velocity.y > MaxPullForce
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|| attachedCharacter.GetComponentInParent<Rigidbody>().velocity.y < -MaxPullForce)
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{
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attachedCharacter.Force_Add(-forceDirection, Vector3.Distance(Player.transform.position, attachedPoint), pullForce * 0.05f, false );
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}
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limitingPosition = true;
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}
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if (limitingPosition && Vector3.Distance(Player.transform.position, attachedPoint) < maxDistance)
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{
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Debug.Log("Removing force");
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Player.Force_Remove();
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if (attachedObject != null)
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{
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attachedObject.velocity = new Vector3(0.0f, 0.0f, 0.0f);
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}
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if (attachedCharacter != null)
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{
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attachedCharacter.Force_Remove();
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}
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limitingPosition = false;
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}
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var lineRenderer = chain.GetComponent<LineRenderer>();
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lineRenderer.SetColors (Color.blue, Color.blue);
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lineRenderer.material = new Material(Shader.Find("Legacy Shaders/Particles/Additive"));
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lineRenderer.SetWidth(1f, 1f);
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lineRenderer.SetPosition(0, Player.transform.position);
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lineRenderer.SetPosition(1, attachedPoint);
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// Position
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if (ropeSegment != null)
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{
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ropeSegment.transform.position = (attachedPoint + cameraTransform.position) / 2.0f;
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// Rotation
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var heading = attachedPoint - cameraTransform.position;
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var direction = heading / heading.magnitude;
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ropeSegment.transform.rotation = new Quaternion(direction.x, direction.y, direction.z + defaultRopeSegmentOrientation, 0);
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// Scale
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var distance = Vector3.Distance(attachedPoint, Player.transform.position);
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ropeSegment.transform.localScale = new Vector3(0.1f, distance / 2, 0.1f);
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}
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if (hasPullChainInputSequenceStarted && timer > pullChainInputTiming)
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{
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Debug.Log("Detaching");
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isAttached = false;
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inputPaused = true;
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timer = 0.0f;
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hasPullChainInputSequenceStarted = false;
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attachedObject = null;
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attachedCharacter = null;
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attachment.transform.parent = null;
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GameObject.Destroy(ropeSegment);
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GameObject.Destroy(attachment);
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return;
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lineRenderer.SetWidth(0, 0);
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}
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else if (hasPullChainInputSequenceStarted && CheckInputDepressedThisFrame())
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{
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Debug.Log("Pulling");
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// This is the preferred way of calculating direction between two Vectors
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// other ways might cause performance issues
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// See here: https://docs.unity3d.com/2018.3/Documentation/Manual/DirectionDistanceFromOneObjectToAnother.html
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// TODO: look into syntax/performance impact for (vector.position - vector.position).normalized
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var forceHeading = attachedPoint - cameraTransform.position;
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var forceDirection = forceHeading / forceHeading.magnitude;
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var applyToSelf = true;
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if (attachedObject != null)
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{
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attachedObject.AddForce(-forceDirection * pullForce);
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applyToSelf = false;
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}
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if (attachedCharacter != null)
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{
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attachedCharacter.Force_Add(-forceDirection, pullForce, pullAccel, false );
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applyToSelf = false;
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}
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if (applyToSelf)
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{
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Player.Force_Add(forceDirection, pullForce, pullAccel, false );
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}
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attachedPoint = new Vector3(0, 0, 0);
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inputPaused = true;
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timer = 0.0f;
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hasPullChainInputSequenceStarted = false;
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}
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else if (!hasPullChainInputSequenceStarted && !CheckInputDepressedThisFrame())
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{
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Debug.Log("Starting Dettachment");
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hasPullChainInputSequenceStarted = true;
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timer = 0.0f;
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}
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}
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else
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{
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if (attachment != null)
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{
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if (attachment.GetComponent<GrappleAttachment>().CollisionStuck)
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{
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// attachment.GetComponent<Rigidbody>().constraints = RigidbodyConstraints.FreezeAll;
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inputPaused = false;
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isAttached = true;
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}
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else
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{
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// attachment.GetComponent<Rigidbody>().constraints = RigidbodyConstraints.None;
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}
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if (Vector3.Distance(Player.transform.position, transform.position) > Player.GetComponent<Grapple>().maxDistance)
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{
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timer = 0.0f;
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GameObject.Destroy(attachment);
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inputPaused = false;
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isAttached = false;
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return;
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}
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}
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var lineRenderer = chain.GetComponent<LineRenderer>();
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if (CheckInputDepressedThisFrame())
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{
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var raycastStart = cameraTransform.position + transform.forward * minDistance;
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if (Physics.Raycast(raycastStart, cameraTransform.forward, out RaycastHit raycastHit))
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{
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if (Vector3.Distance(Player.transform.position, raycastHit.point) < maxDistance)
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{
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Debug.Log("Attaching");
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attachedPoint = raycastHit.point;
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isAttached = true;
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inputPaused = true;
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timer = 0.0f;
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hasPullChainInputSequenceStarted = false;
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if (raycastHit.transform != null && raycastHit.transform.gameObject != null)
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{
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if (raycastHit.transform.gameObject.GetComponent<Rigidbody>() != null)
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{
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attachedObject = raycastHit.transform.gameObject.GetComponent<Rigidbody>();
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}
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else if (raycastHit.transform.gameObject.GetComponentInChildren<Rigidbody>() != null)
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{
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attachedObject = raycastHit.transform.gameObject.GetComponentInChildren<Rigidbody>();
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}
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if (raycastHit.transform.gameObject.GetComponent<MalbersAnimations.Controller.MAnimal>() != null)
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{
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attachedCharacter = raycastHit.transform.gameObject.GetComponent<MalbersAnimations.Controller.MAnimal>();
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}
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if (raycastHit.transform.gameObject.GetComponentInChildren<MalbersAnimations.Controller.MAnimal>() != null)
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{
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attachedCharacter = raycastHit.transform.gameObject.GetComponentInChildren<MalbersAnimations.Controller.MAnimal>();
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}
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}
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if (attachment == null)
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{
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attachment = Instantiate(AttachmentPrefab);
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}
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timer = 0.0f;
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inputPaused = true;
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hasPullChainInputSequenceStarted = false;
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attachment.transform.localScale = new Vector3(6.25f, 6.25f, 18.75f);
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var heading = attachedPoint - cameraTransform.position;
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var direction = heading / heading.magnitude;
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attachment.transform.position = Player.transform.position + Quaternion.AngleAxis(direction.x, Vector3.right) * transform.forward * 1;
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// attachment.transform.position = new Vector3(Player.transform.position.x, Player.transform.position.y + playerHeight + playerHeightBuffer, Player.transform.position.z + playerWidth * 2);
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attachment.GetComponent<Rigidbody>().AddForce(direction * PushForce);
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// attachment.GetComponent<Rigidbody>().AddForce(direction * PushForce, ForceMode.Impulse);
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attachment.transform.position = raycastHit.point;
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attachment.transform.rotation = (Quaternion.Euler(cameraTransform.rotation.x, gameObject.transform.rotation.y, 0));
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if (attachedObject != null)
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{
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attachment.transform.parent = attachedObject.transform;
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}
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if (attachedCharacter != null)
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{
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attachment.transform.parent = attachedCharacter.transform;
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}
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}
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else
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{
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Debug.Log("Missing / Too Far");
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}
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}
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else
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{
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Debug.Log("Missing");
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inputPaused = true;
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timer = 0.0f;
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hasPullChainInputSequenceStarted = false;
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}
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}
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}
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}
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}
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