GGJ_2017/IronToad_UnityProject/Assets/Scripts/Catapult.cs

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

using BansheeGz.BGSpline.Components;
using BansheeGz.BGSpline.Curve;

public class Catapult : MonoBehaviour
{
	public BGCurve splineCurve;
	public float speed = 600f;
	public float rotateSpeed = 200f;
	public float timePadding = 0.5f;
	public float timeBetweenLaunches = 0.5f;
	public float minScale = 0.3f;
	public float maxScale = 1f;
	public float randomFactor = 50f;
	public AnimationCurve animationCurve;
	public Transform player;

	private bool isLaunching = false;
	private BGCcCursor splineCursor;
	private BGCcCursorObjectTranslate splineObjectTranslate;
	private Vector3 originalScale;
	private MeshRenderer meshRenderer;
	private Collider boulderCollider;
	private ParticleSystem boulderParticleSystem;
	private bool switchedOff = false;

	private Searchlight.SearchState searchState;

	void Start ()
	{
		splineCursor = splineCurve.GetComponent<BGCcCursor>();
		splineObjectTranslate = splineCurve.GetComponent<BGCcCursorObjectTranslate>();
		meshRenderer = splineObjectTranslate.ObjectToManipulate.GetComponent<MeshRenderer>();
		boulderCollider = splineObjectTranslate.ObjectToManipulate.GetComponent<Collider>();
		boulderParticleSystem = splineObjectTranslate.ObjectToManipulate.GetComponentInChildren<ParticleSystem>();
		meshRenderer.enabled = false;
		boulderCollider.enabled = false;
		switchedOff = false;
		boulderParticleSystem.Stop();

		originalScale = splineCurve.transform.parent.localScale;

		NotificationServer.register("statechange Searchlight", searchlightStateChanged);
		NotificationServer.register("BoulderHit", boulderHit);
		NotificationServer.register("restart scene", restartScene);
		NotificationServer.register("switch off", switchOff);
	}

	void Update()
	{
		splineObjectTranslate.ObjectToManipulate.Rotate(Vector3.forward, Time.deltaTime * rotateSpeed);
	}

	public void searchlightStateChanged()
	{
		if (searchState == Searchlight.state)
			return;
		if (switchedOff)
			return;
		if (!isActiveAndEnabled)
			return;
		searchState = Searchlight.state;
		LeanTween.cancel(splineObjectTranslate.ObjectToManipulate.gameObject, true);
		if (Searchlight.state == Searchlight.SearchState.Chasing)
			launchBoulder();
	}

	public void boulderHit(object boulderObj)
	{
		GameObject go = boulderObj as GameObject;
		if (go == splineObjectTranslate.ObjectToManipulate.gameObject)
			LeanTween.cancel(splineObjectTranslate.ObjectToManipulate.gameObject, true);
	}

	public void restartScene()
	{
		switchedOff = false;
		searchState = Searchlight.SearchState.Spline;
		LeanTween.cancel(splineObjectTranslate.ObjectToManipulate.gameObject, true);
	}

	private void switchOff(object offObject) {
		GameObject offGO = offObject as GameObject;
//		Debug.LogWarning(offGO + "  vs  " + transform.parent.gameObject);
		if (offGO == transform.parent.gameObject)
			switchedOff = true;
	}

	public void launchBoulder()
	{
		if (Searchlight.state != Searchlight.SearchState.Chasing || isLaunching)
		{
			isLaunching = false;
			return;
		}

		isLaunching = true;
		LeanTween.delayedCall(splineObjectTranslate.ObjectToManipulate.gameObject, timeBetweenLaunches, ()=>{
			if (Searchlight.state != Searchlight.SearchState.Chasing)
			{
				isLaunching = false;
				return;
			}
			boulderParticleSystem.Stop();
			splineCursor.DistanceRatio = 0f;
			splineCurve.transform.parent.position = player.position
				+ Vector3.right * Random.Range(-randomFactor, randomFactor)
				+ Vector3.forward * Random.Range(-randomFactor, randomFactor);
			splineCurve.transform.parent.localEulerAngles = Vector3.up * Random.Range(0f, 360f);
			splineCurve.transform.parent.localScale = new Vector3(Random.Range(minScale * originalScale.x, maxScale * originalScale.x), originalScale.y, originalScale.z);
			LeanTween.delayedCall(splineObjectTranslate.ObjectToManipulate.gameObject, 0.1f, ()=>{
				boulderParticleSystem.Play();
				meshRenderer.enabled = true;
				boulderCollider.enabled = true;
				LeanTween.value(splineObjectTranslate.ObjectToManipulate.gameObject, 0f, 1f, splineCursor.Math.GetDistance() / speed)
					.setEase(animationCurve)
					.setOnUpdate((float val)=>{
						splineCursor.DistanceRatio = val;
					}).setOnComplete(()=>{
						boulderParticleSystem.Stop();
						isLaunching = false;
						meshRenderer.enabled = false;
						LeanTween.delayedCall(splineObjectTranslate.ObjectToManipulate.gameObject, 0.5f, ()=>{
							boulderCollider.enabled = false;
							launchBoulder();
						});
					});
			});
		});
	}
}