Unfixable serialization error - or no evidence that indicates the problem

Code (csharp):

1.  
2. get_gameObject is not allowed to be called during serialization, call it from Awake or Start instead. Called from MonoBehaviour 'FloatingDamageNumberManager' on game object 'DamageNumbers'.
3. See "Script Serialization" page in the Unity Manual for further details.
4. UnityEngine.UI.Graphic:OnRectTransformDimensionsChange()
5.  

Here's the code involved. Note that I did read the link about Serialization errors - but I have no idea from the above error *where* Im calling the unity API during serialization. :|

Code (csharp):

1.  
2. using UnityEngine;
3. using System.Collections;
4. using UnityEngine.UI;
5. using System.Collections.Generic;
6.  
7. public static class FloatingTextColor
8. {
9.  public static Color PlayerDamage = new Color(0.9f, 185f/255f, 0f);
10.  public static Color EnemyDamage = new Color(1.0f, 0.1f, 0.1f);
11.  public static Color PlayerHealing = Color.green;
12.  public static Color EnemyHealing = Color.Lerp(Color.red, Color.blue, 0.55f);
13. }
14. public class FloatingTextData : MonoBehaviour
15. {
16.  public Vector3 startPos = Vector3.zero;
17.  public Vector3 endPos = Vector3.up;
18.  
19.  public bool isEnabled = false;
20.  public float startTime = float.NegativeInfinity;
21.  
22.  public float duration = 2.0f;
23.  
24.  public bool isNumber = false;
25.  
26.  private Color _textColor = FloatingTextColor.PlayerDamage;
27.  public Color TextColor
28.  {
29.  set
30.  {
31.  _textColor = value;
32.  
33.  }
34.  }
35.  
36.  private string _format = "{0}";
37.  public string Format
38.  {
39.  set
40.  {
41.  _format = value;
42.  SetText();
43.  }
44.  get
45.  {
46.  return _format;
47.  }
48.  }
49.  
50.  private int _amount = 0;
51.  public int Amount
52.  {
53.  set {
54.  isNumber = true;
55.  _amount = value;
56.  SetText();
57.  }
58.  get
59.  {
60.  return _amount;
61.  }
62.  }
63.  
64.  public void SetText()
65.  {
66.  GetComponent<Text>().text = string.Format(_format, _amount);
67.  }
68.  
69.  public void Reset()
70.  {
71.  _amount = 0;
72.  _format = "{0}";
73.  }
74.  
75.  public void Update()
76.  {
77.  if ( isEnabled )
78.  {
79.  if ( Time.time > startTime + duration )
80.  {
81.  isEnabled = false;
82.  }
83.  else
84.  {
85.  var progress = Mathf.Clamp01( (Time.time-startTime) / duration );
86.  var evalMove = FloatingDamageNumberManager.instance.acMove.Evaluate( progress );
87.  var evalAlpha = FloatingDamageNumberManager.instance.acAlpha.Evaluate( progress );
88.  
89.  var position = Vector3.Lerp (startPos, endPos, evalMove);
90.  
91.  //thisistheui element
92.  RectTransform UI_Element = this.GetComponent<RectTransform>();
93.  
94.  //firstyouneedtheRectTransformcomponentofyour canvas
95.  RectTransform CanvasRect = FloatingDamageNumberManager.instance.mainUICanvas.GetComponent<RectTransform>();
96.  
97.  //thenyoucalculatethepositionoftheUI element
98.  //0,0forthecanvasisatthecenterofthescreen,whereasWorldToViewPortPointtreatsthelowerleftcorneras0,0.Becauseofthis,youneedtosubtracttheheight/widthofthecanvas*0.5togetthecorrectposition.
99.  
100.  Vector2 ViewportPosition=FloatingDamageNumberManager.instance.mainCamera.WorldToViewportPoint(position);
101.  Vector2 WorldObject_ScreenPosition=new Vector2(
102.  ((ViewportPosition.x*CanvasRect.sizeDelta.x)-(CanvasRect.sizeDelta.x*0.5f)),
103.  ((ViewportPosition.y*CanvasRect.sizeDelta.y)-(CanvasRect.sizeDelta.y*0.5f)));
104.  
105.  //nowyoucansetthepositionoftheui element
106.  UI_Element.anchoredPosition=WorldObject_ScreenPosition;
107.  
108.  var text = GetComponent<Text>();
109.  //getthecurrentcolorofthe text
110.  Color color = _textColor;
111.  //setthealphavalueforfade out
112.  color.a = evalAlpha;
113.  //settextmeshcolortonew color
114.  text.color = color;
115.  }
116.  }
117.  if ( !isEnabled )
118.  {
119.  Reset();
120.  gameObject.SetActive(false);
121.  }
122.  }
123. }
124.  
125. public class FloatingDamageNumberManager : MonoBehaviour {
126.  
127.  public AnimationCurve acMove;
128.  public AnimationCurve acAlpha;
129.  
130.  public GameObject FloatCombatTextPrefab;
131.  
132.  public Canvas mainUICanvas;
133.  public Camera mainCamera;
134.  
135.  private ObjectPool _cachedPool;
136.  private ObjectPool _damageNumbers
137.  {
138.  get
139.  {
140.  return _cachedPool ?? _initPool();
141.  }
142.  }
143.  private ObjectPool _initPool()
144.  {
145.  
146.  if ( _cachedPool == null )
147.  _cachedPool = new ObjectPool( 10, "[Generated]DamageNumbers",
148.  () =>
149.  {
150.  var rectParent = GameObject.Find("CombatUI").GetComponent<RectTransform>();
151.  var go = GameObject.Instantiate(FloatCombatTextPrefab );
152.  go.transform.SetParent( rectParent, false );
153.  go.GetOrAddComponent<FloatingTextData>();
154.  
155.  return go;
156.  } );
157.  
158.  return _cachedPool;
159.  }
160.  
161.  private static FloatingDamageNumberManager _instance;
162.  public static FloatingDamageNumberManager instance
163.  {
164.  get {
165.  if ( _instance == null )
166.  _instance = new FloatingDamageNumberManager();
167.  
168.  return _instance;
169.  }
170.  }
171.  
172.  public void OnEnable()
173.  {
174.  _instance = this;
175.  
176.  }
177.  public void Update()
178.  {
179.  if ( mainCamera == null )
180.  mainCamera = GameObject.FindGameObjectWithTag( "MainCamera" ).GetComponent<Camera>();
181.  
182.  if ( mainUICanvas == null )
183.  {
184.  var uiContainer = transform.parent.gameObject;
185.  mainUICanvas = uiContainer.GetOrAddComponent<Canvas>();
186.  
187.  //Initializethepoolifnotalready done
188.  _initPool();
189.  var numbersContainer = GameObject.Find( "[Generated]DamageNumbers" );
190.  numbersContainer.transform.SetParent( mainUICanvas.transform, false );
191.  
192.  }
193.  }
194.  
195.  public void ResetPool()
196.  {
197.  if( _cachedPool != null )
198.  {
199.  foreach ( var go in _cachedPool.Pool )
200.  {
201.  go.SetActive ( false );
202.  }
203.  }
204.  }
205.  
206.  public static float TextDuration = 2.0f;
207.  public static float xOffset = 1.0f;
208.  public static float FloatHeight = 1.5f;
209.  
210.  
211.  public static Dictionary<int, GameObject> damageNumbers = new Dictionary<int, GameObject>();
212.  
213.  public static FloatingTextData GetDamageNumber( IUnit unit, Vector3 startPos )
214.  {
215.  //Firstcheckifthere'sarecentlycacheddamage number
216.  
217.  GameObject tDamageNumberGameObject;
218.  
219.  if ( damageNumbers.TryGetValue( unit.UnitID, out tDamageNumberGameObject ) )
220.  {
221.  FloatingTextData ftd = tDamageNumberGameObject.GetComponent<FloatingTextData>();
222.  
223.  if ( ftd != null )
224.  {
225.  //Ifarecentdata
226.  if ( ftd.isEnabled && Time.time < ftd.startTime + (ftd.duration * 0.5f) )
227.  return ftd;
228.  }
229.  }
230.  
231.  var goNewDamageNumber = FloatingDamageNumberManager.instance._damageNumbers.Request();
232.  goNewDamageNumber.transform.position = startPos;
233.  var fData = goNewDamageNumber.GetOrAddComponent<FloatingTextData>();
234.  fData.Reset();
235.  fData.startTime = Time.time;
236.  fData.startPos = startPos;
237.  
238.  //ThisneedstobeconvertedintoapositionbasedonUIcanvas,notworld position
239.  fData.endPos = startPos + new Vector3( Random.Range( -xOffset, xOffset ), FloatHeight, 0f );
240.  fData.duration = TextDuration;
241.  fData.isEnabled = true;
242.  
243.  damageNumbers[unit.UnitID] = goNewDamageNumber;
244.  
245.  return fData;
246.  }
247.  
248.  
249.  public static Dictionary<int, GameObject> healingNumbers = new Dictionary<int, GameObject>();
250.  public static FloatingTextData GetHealingNumber( IUnit unit, Vector3 startPos )
251.  {
252.  //Firstcheckifthere'sarecentlycacheddamage number
253.  
254.  GameObject tDamageNumberGameObject;
255.  
256.  if ( healingNumbers.TryGetValue( unit.UnitID, out tDamageNumberGameObject ) )
257.  {
258.  FloatingTextData ftd = tDamageNumberGameObject.GetComponent<FloatingTextData>();
259.  
260.  if ( ftd != null )
261.  {
262.  //Ifarecentdata
263.  if ( ftd.isEnabled && Time.time < ftd.startTime + (ftd.duration * 0.5f) )
264.  return ftd;
265.  }
266.  }
267.  
268.  var goNewDamageNumber = FloatingDamageNumberManager.instance._damageNumbers.Request();
269.  goNewDamageNumber.transform.position = startPos;
270.  var fData = goNewDamageNumber.GetOrAddComponent<FloatingTextData>();
271.  fData.Reset();
272.  fData.startTime = Time.time;
273.  fData.startPos = startPos;
274.  
275.  //ThisneedstobeconvertedintoapositionbasedonUIcanvas,notworld position
276.  fData.endPos = startPos + new Vector3( Random.Range( -xOffset, xOffset ), FloatHeight, 0f );
277.  fData.duration = TextDuration;
278.  fData.isEnabled = true;
279.  
280.  healingNumbers[unit.UnitID] = goNewDamageNumber;
281.  
282.  return fData;
283.  }
284. }
285.