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/*
------------------- Code Monkey -------------------
Thank you for downloading the Code Monkey Utilities
I hope you find them useful in your projects
If you have any questions use the contact form
Cheers!
unitycodemonkey.com
--------------------------------------------------
*/
using System;
using System.Collections.Generic;
using UnityEngine;
namespace CodeMonkey.Utils {
/*
* Executes a Function periodically
* */
public class FunctionPeriodic {
/*
* Class to hook Actions into MonoBehaviour
* */
private class MonoBehaviourHook : MonoBehaviour {
public Action OnUpdate;
private void Update() {
if (OnUpdate != null) OnUpdate();
}
}
private static List<FunctionPeriodic> funcList; // Holds a reference to all active timers
private static GameObject initGameObject; // Global game object used for initializing class, is destroyed on scene change
private static void InitIfNeeded() {
if (initGameObject == null) {
initGameObject = new GameObject("FunctionPeriodic_Global");
funcList = new List<FunctionPeriodic>();
}
}
// Persist through scene loads
public static FunctionPeriodic Create_Global(Action action, Func<bool> testDestroy, float timer) {
FunctionPeriodic functionPeriodic = Create(action, testDestroy, timer, "", false, false, false);
MonoBehaviour.DontDestroyOnLoad(functionPeriodic.gameObject);
return functionPeriodic;
}
// Trigger [action] every [timer], execute [testDestroy] after triggering action, destroy if returns true
public static FunctionPeriodic Create(Action action, Func<bool> testDestroy, float timer) {
return Create(action, testDestroy, timer, "", false);
}
public static FunctionPeriodic Create(Action action, float timer) {
return Create(action, null, timer, "", false, false, false);
}
public static FunctionPeriodic Create(Action action, float timer, string functionName) {
return Create(action, null, timer, functionName, false, false, false);
}
public static FunctionPeriodic Create(Action callback, Func<bool> testDestroy, float timer, string functionName, bool stopAllWithSameName) {
return Create(callback, testDestroy, timer, functionName, false, false, stopAllWithSameName);
}
public static FunctionPeriodic Create(Action action, Func<bool> testDestroy, float timer, string functionName, bool useUnscaledDeltaTime, bool triggerImmediately, bool stopAllWithSameName) {
InitIfNeeded();
if (stopAllWithSameName) {
StopAllFunc(functionName);
}
GameObject gameObject = new GameObject("FunctionPeriodic Object " + functionName, typeof(MonoBehaviourHook));
FunctionPeriodic functionPeriodic = new FunctionPeriodic(gameObject, action, timer, testDestroy, functionName, useUnscaledDeltaTime);
gameObject.GetComponent<MonoBehaviourHook>().OnUpdate = functionPeriodic.Update;
funcList.Add(functionPeriodic);
if (triggerImmediately) action();
return functionPeriodic;
}
public static void RemoveTimer(FunctionPeriodic funcTimer) {
InitIfNeeded();
funcList.Remove(funcTimer);
}
public static void StopTimer(string _name) {
InitIfNeeded();
for (int i = 0; i < funcList.Count; i++) {
if (funcList[i].functionName == _name) {
funcList[i].DestroySelf();
return;
}
}
}
public static void StopAllFunc(string _name) {
InitIfNeeded();
for (int i = 0; i < funcList.Count; i++) {
if (funcList[i].functionName == _name) {
funcList[i].DestroySelf();
i--;
}
}
}
public static bool IsFuncActive(string name) {
InitIfNeeded();
for (int i = 0; i < funcList.Count; i++) {
if (funcList[i].functionName == name) {
return true;
}
}
return false;
}
private GameObject gameObject;
private float timer;
private float baseTimer;
private bool useUnscaledDeltaTime;
private string functionName;
public Action action;
public Func<bool> testDestroy;
private FunctionPeriodic(GameObject gameObject, Action action, float timer, Func<bool> testDestroy, string functionName, bool useUnscaledDeltaTime) {
this.gameObject = gameObject;
this.action = action;
this.timer = timer;
this.testDestroy = testDestroy;
this.functionName = functionName;
this.useUnscaledDeltaTime = useUnscaledDeltaTime;
baseTimer = timer;
}
public void SkipTimerTo(float timer) {
this.timer = timer;
}
public void SetBaseTimer(float baseTimer) {
this.baseTimer = baseTimer;
}
public float GetBaseTimer() {
return baseTimer;
}
private void Update() {
if (useUnscaledDeltaTime) {
timer -= Time.unscaledDeltaTime;
} else {
timer -= Time.deltaTime;
}
if (timer <= 0) {
action();
if (testDestroy != null && testDestroy()) {
//Destroy
DestroySelf();
} else {
//Repeat
timer += baseTimer;
}
}
}
public void DestroySelf() {
RemoveTimer(this);
if (gameObject != null) {
UnityEngine.Object.Destroy(gameObject);
}
}
}
}
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