| | | 1 | | using DCL; |
| | | 2 | | using System.Collections; |
| | | 3 | | using System.Collections.Generic; |
| | | 4 | | using UnityEngine; |
| | | 5 | | |
| | | 6 | | public class BillboardsController : IBillboardsController |
| | | 7 | | { |
| | 493 | 8 | | private readonly List<IBillboard> billboards = new List<IBillboard>(); |
| | | 9 | | private Coroutine updateCoroutine; |
| | | 10 | | |
| | 53895 | 11 | | private Vector3Variable CameraPosition => CommonScriptableObjects.cameraPosition; |
| | | 12 | | private Vector3 lastCamPosition; |
| | | 13 | | private bool camUpdated; |
| | | 14 | | |
| | | 15 | | |
| | | 16 | | public static BillboardsController Create() |
| | | 17 | | { |
| | 493 | 18 | | BillboardsController controller = new BillboardsController(); |
| | | 19 | | |
| | 493 | 20 | | return controller; |
| | | 21 | | } |
| | | 22 | | |
| | | 23 | | public void Initialize() |
| | | 24 | | { |
| | 493 | 25 | | updateCoroutine = CoroutineStarter.Start(UpdateCoroutine()); |
| | 493 | 26 | | } |
| | | 27 | | |
| | | 28 | | public void BillboardAdded(IBillboard billboard) |
| | | 29 | | { |
| | 4 | 30 | | billboards.Add(billboard); |
| | 4 | 31 | | ChangeOrientation(billboard); |
| | 4 | 32 | | } |
| | | 33 | | |
| | | 34 | | public void BillboardRemoved(IBillboard billboard) |
| | | 35 | | { |
| | 0 | 36 | | if (!billboards.Contains(billboard)) |
| | 0 | 37 | | return; |
| | | 38 | | |
| | 0 | 39 | | billboards.Remove(billboard); |
| | 0 | 40 | | } |
| | | 41 | | |
| | | 42 | | public void Dispose() |
| | | 43 | | { |
| | 493 | 44 | | CoroutineStarter.Stop(updateCoroutine); |
| | 493 | 45 | | billboards.Clear(); |
| | 493 | 46 | | } |
| | | 47 | | |
| | | 48 | | |
| | | 49 | | private void ChangeOrientation(IBillboard billboard) |
| | | 50 | | { |
| | 19 | 51 | | if (billboard.EntityTransform == null) |
| | 4 | 52 | | return; |
| | | 53 | | |
| | 15 | 54 | | Vector3 lookAtVector = billboard.GetLookAtVector(CameraPosition); |
| | 15 | 55 | | if (lookAtVector != Vector3.zero) |
| | 15 | 56 | | billboard.EntityTransform.forward = lookAtVector; |
| | 15 | 57 | | } |
| | | 58 | | |
| | | 59 | | |
| | | 60 | | private IEnumerator UpdateCoroutine() |
| | | 61 | | { |
| | 26447 | 62 | | while (true) |
| | | 63 | | { |
| | 26940 | 64 | | camUpdated = lastCamPosition != CameraPosition; |
| | 26940 | 65 | | lastCamPosition = CameraPosition; |
| | 53972 | 66 | | for (int i = billboards.Count - 1; i >= 0; i--) |
| | | 67 | | { |
| | 46 | 68 | | IBillboard billboard = billboards[i]; |
| | 46 | 69 | | if (billboard == null) |
| | | 70 | | { |
| | 0 | 71 | | billboards.RemoveAt(i); |
| | 0 | 72 | | continue; |
| | | 73 | | } |
| | 46 | 74 | | if (billboard.Tr == null || billboard.EntityTransform == null) |
| | | 75 | | continue; |
| | 19 | 76 | | if (!camUpdated && billboard.Tr.position == billboard.LastPosition) |
| | | 77 | | continue; |
| | | 78 | | |
| | 15 | 79 | | billboard.LastPosition = billboard.Tr.position; |
| | 15 | 80 | | ChangeOrientation(billboard); |
| | | 81 | | } |
| | | 82 | | |
| | 26940 | 83 | | yield return null; |
| | | 84 | | } |
| | | 85 | | } |
| | | 86 | | } |