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Naphier/ComponentCache.cs

Last active February 1, 2016 09:36
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Revisions

  1. Naphier revised this gist Dec 31, 2015. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ComponentCache.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -25,7 +25,7 @@ public T GetComponent<T>() where T : Component
    {
    if (_components[i].GetType() == typeof(T))
    {
    Log(typeof(T).Name + " removed from cache and destroyed.");
    Log(typeof(T).Name + " found in cache.");
    return _components[i] as T;
    }
    }
  2. Naphier revised this gist Dec 31, 2015. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ComponentCache.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -98,7 +98,7 @@ void LogError(string message)
    public class TestCacheComponent : MonoBehaviour
    {
    private ComponentCache cc;
    public ComponentCache cc;
    AudioSource asrc1;
    void Start()
    {
  3. Naphier created this gist Dec 31, 2015.
    147 changes: 147 additions & 0 deletions ComponentCache.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,147 @@
    using UnityEngine;
    using System.Collections.Generic;

    public class ComponentCache
    {
    public enum LogMessageLevel { all, error, none}
    LogMessageLevel logMessageLevel = LogMessageLevel.error;

    private GameObject _gameObject;
    private List<Component> _components = new List<Component>();
    public ComponentCache(GameObject gameObject)
    {
    _gameObject = gameObject;
    }

    public ComponentCache(GameObject gameObject , LogMessageLevel messageLevel)
    {
    _gameObject = gameObject;
    logMessageLevel = messageLevel;
    }

    public T GetComponent<T>() where T : Component
    {
    for (int i = 0; i < _components.Count; i++)
    {
    if (_components[i].GetType() == typeof(T))
    {
    Log(typeof(T).Name + " removed from cache and destroyed.");
    return _components[i] as T;
    }
    }

    Component c = _gameObject.GetComponent<T>();
    if (c != null)
    {
    Log(typeof(T).Name + " added to cache.");
    _components.Add(c);
    return c as T;
    }

    LogError(typeof(T).Name + " not found.");
    return null;
    }

    public void DestroyAllComponentsOfType<T>() where T : Component
    {
    bool destroyed = false;
    for (int i = 0; i < _components.Count; i++)
    {
    if (_components[i].GetType() == typeof(T))
    {
    Log(typeof(T).Name + " removed from cache and destroyed.");
    Object.DestroyImmediate(_components[i]);
    _components.RemoveAt(i);
    destroyed = true;
    }
    }

    if (!destroyed)
    LogError(typeof(T).Name + " not found.");
    }

    public void DestroyComponent(Component component)
    {
    bool destroyed = false;
    for (int i = 0; i < _components.Count; i++)
    {
    if (_components[i] == component)
    {
    Log(component.GetType().Name + " removed from cache and destroyed.");
    Object.DestroyImmediate(_components[i]);
    _components.RemoveAt(i);
    destroyed = true;
    }
    }

    if (!destroyed)
    LogError(component.GetType().Name + " not found.");
    }

    void Log(string message)
    {
    if (logMessageLevel == LogMessageLevel.all)
    Debug.Log(message);
    }

    void LogError(string message)
    {
    if (logMessageLevel != LogMessageLevel.none)
    Debug.LogError(message);
    }
    }

    // Test Case
    /*
    using UnityEngine;
    using UnityEngine.Assertions;
    public class TestCacheComponent : MonoBehaviour
    {
    private ComponentCache cc;
    AudioSource asrc1;
    void Start()
    {
    cc = new ComponentCache(gameObject , ComponentCache.LogMessageLevel.all);
    Debug.LogWarning("Test Cache");
    cc.GetComponent<AudioSource>();
    cc.GetComponent<AudioSource>();
    cc.DestroyAllComponentsOfType<AudioSource>();
    Debug.LogWarning("Add component test");
    asrc1 = gameObject.AddComponent<AudioSource>();
    asrc1.mute = true;
    AudioSource testAs = cc.GetComponent<AudioSource>();
    if (testAs != asrc1)
    Debug.LogError("Retrieved component not the same?");
    testAs = cc.GetComponent<AudioSource>();
    if (testAs != asrc1)
    Debug.LogError("Retrieved component not the same?");
    Debug.LogWarning("Adding second component");
    AudioSource asrc2 = gameObject.AddComponent<AudioSource>();
    Debug.LogWarning("Destroying first component");
    cc.DestroyComponent(asrc1);
    cc.GetComponent<AudioSource>();
    cc.GetComponent<AudioSource>();
    Assert.IsNull(asrc1);
    Assert.IsNotNull(asrc2);
    }
    bool doOnce = true;
    void Update()
    {
    if (doOnce && asrc1 == null)
    {
    doOnce = false;
    Debug.LogWarning("AudioSource 1 is now null");
    }
    }
    }
    */