| | | 1 | | using DCL.Components; |
| | | 2 | | using System.Collections; |
| | | 3 | | using System.Collections.Generic; |
| | | 4 | | using UnityEngine; |
| | | 5 | | using UnityEngine.Assertions; |
| | | 6 | | |
| | | 7 | | namespace DCL |
| | | 8 | | { |
| | | 9 | | public class ComponentUpdateHandler |
| | | 10 | | { |
| | 1305 | 11 | | protected Queue<BaseModel> queue = new Queue<BaseModel>(); |
| | 6205 | 12 | | public Coroutine routine { get; protected set; } |
| | | 13 | | |
| | | 14 | | public WaitForComponentUpdate yieldInstruction; |
| | | 15 | | |
| | | 16 | | public IComponent owner; |
| | | 17 | | |
| | 926 | 18 | | public bool isRoutineRunning { get { return routine != null; } } |
| | | 19 | | |
| | | 20 | | #if UNITY_EDITOR |
| | | 21 | | bool applyChangesRunning = false; |
| | | 22 | | #endif |
| | 1305 | 23 | | public ComponentUpdateHandler(IDelayedComponent owner) |
| | | 24 | | { |
| | 1305 | 25 | | this.owner = owner; |
| | 1305 | 26 | | this.routine = null; |
| | | 27 | | |
| | 1305 | 28 | | yieldInstruction = new WaitForComponentUpdate(owner); |
| | 1305 | 29 | | } |
| | | 30 | | |
| | 1832 | 31 | | public void ApplyChangesIfModified(BaseModel model) { HandleUpdate(model); } |
| | | 32 | | |
| | | 33 | | protected void HandleUpdate(BaseModel newSerialization) |
| | | 34 | | { |
| | 916 | 35 | | queue.Enqueue(newSerialization); |
| | | 36 | | |
| | 916 | 37 | | if (!isRoutineRunning) |
| | | 38 | | { |
| | 911 | 39 | | var enumerator = HandleUpdateCoroutines(); |
| | | 40 | | |
| | 911 | 41 | | if (enumerator != null) |
| | | 42 | | { |
| | 911 | 43 | | routine = CoroutineStarter.Start(enumerator); |
| | | 44 | | } |
| | | 45 | | } |
| | 916 | 46 | | } |
| | | 47 | | |
| | | 48 | | public void Stop() |
| | | 49 | | { |
| | 700 | 50 | | if (routine != null) |
| | 2 | 51 | | CoroutineStarter.Stop(routine); |
| | | 52 | | |
| | 700 | 53 | | routine = null; |
| | | 54 | | #if UNITY_EDITOR |
| | 700 | 55 | | applyChangesRunning = false; |
| | | 56 | | #endif |
| | 700 | 57 | | } |
| | | 58 | | |
| | | 59 | | public void Cleanup() |
| | | 60 | | { |
| | 700 | 61 | | Stop(); |
| | | 62 | | |
| | 700 | 63 | | queue.Clear(); |
| | 700 | 64 | | } |
| | | 65 | | |
| | | 66 | | protected IEnumerator HandleUpdateCoroutines() |
| | | 67 | | { |
| | 1823 | 68 | | while (queue.Count > 0) |
| | | 69 | | { |
| | 916 | 70 | | BaseModel model = queue.Dequeue(); |
| | | 71 | | |
| | 916 | 72 | | IEnumerator updateRoutine = ApplyChangesWrapper(model); |
| | | 73 | | |
| | 916 | 74 | | if (updateRoutine != null) |
| | | 75 | | { |
| | | 76 | | // we don't want to start coroutines if we have early finalization in IEnumerators |
| | | 77 | | // ergo, we return null without yielding any result |
| | 916 | 78 | | yield return updateRoutine; |
| | | 79 | | } |
| | | 80 | | } |
| | | 81 | | |
| | 907 | 82 | | routine = null; |
| | 907 | 83 | | } |
| | | 84 | | |
| | | 85 | | protected virtual IEnumerator ApplyChangesWrapper(BaseModel model) |
| | | 86 | | { |
| | | 87 | | #if UNITY_EDITOR |
| | 916 | 88 | | Assert.IsFalse(applyChangesRunning, "ApplyChanges routine was interrupted when it shouldn't!"); |
| | 916 | 89 | | applyChangesRunning = true; |
| | | 90 | | #endif |
| | 916 | 91 | | if (owner.IsValid()) |
| | | 92 | | { |
| | 916 | 93 | | var enumerator = owner.ApplyChanges(model); |
| | | 94 | | |
| | 916 | 95 | | if (enumerator != null) |
| | | 96 | | { |
| | 353 | 97 | | yield return enumerator; |
| | | 98 | | } |
| | | 99 | | } |
| | | 100 | | |
| | | 101 | | #if UNITY_EDITOR |
| | 912 | 102 | | applyChangesRunning = false; |
| | | 103 | | #endif |
| | | 104 | | |
| | 912 | 105 | | owner.RaiseOnAppliedChanges(); |
| | 912 | 106 | | } |
| | | 107 | | } |
| | | 108 | | } |