| | | 1 | | using System.Collections.Generic; |
| | | 2 | | |
| | | 3 | | namespace DCLServices.MapRendererV2.Culling |
| | | 4 | | { |
| | | 5 | | public partial class MapCullingController |
| | | 6 | | { |
| | | 7 | | internal partial class TrackedState<T> : TrackedState where T: IMapPositionProvider |
| | | 8 | | { |
| | | 9 | | private readonly T obj; |
| | 0 | 10 | | public override IMapPositionProvider Obj => obj; |
| | | 11 | | |
| | | 12 | | private readonly IMapCullingListener<T> listener; |
| | | 13 | | private bool? lastCalledWasVisible = null; |
| | | 14 | | |
| | 0 | 15 | | public TrackedState(T obj, IMapCullingListener<T> listener) |
| | | 16 | | { |
| | 0 | 17 | | nodeInQueue = new LinkedListNode<TrackedState>(this); |
| | 0 | 18 | | this.obj = obj; |
| | 0 | 19 | | this.listener = listener; |
| | 0 | 20 | | } |
| | | 21 | | |
| | | 22 | | public override void CallListener(bool forceCall = false) |
| | | 23 | | { |
| | 0 | 24 | | bool currentVisible = visibleFlag > 0; |
| | | 25 | | |
| | 0 | 26 | | if (!forceCall) |
| | | 27 | | { |
| | 0 | 28 | | if (currentVisible == lastCalledWasVisible) |
| | 0 | 29 | | return; |
| | | 30 | | } |
| | | 31 | | |
| | 0 | 32 | | lastCalledWasVisible = currentVisible; |
| | | 33 | | |
| | 0 | 34 | | if (currentVisible) |
| | 0 | 35 | | listener.OnMapObjectBecameVisible(obj); |
| | | 36 | | else |
| | 0 | 37 | | listener.OnMapObjectCulled(obj); |
| | 0 | 38 | | } |
| | | 39 | | } |
| | | 40 | | |
| | | 41 | | internal abstract class TrackedState |
| | | 42 | | { |
| | | 43 | | public abstract IMapPositionProvider Obj { get; } |
| | | 44 | | |
| | | 45 | | // Constant memory footprint => we don't add and remove State but keep a single instance of Node instead |
| | | 46 | | public LinkedListNode<TrackedState> nodeInQueue { get; protected set; } |
| | | 47 | | |
| | | 48 | | protected int visibleFlag; |
| | | 49 | | protected int dirtyCamerasFlag; |
| | | 50 | | |
| | | 51 | | public abstract void CallListener(bool forceCall = false); |
| | | 52 | | |
| | | 53 | | public void SetCameraFlag(int value) |
| | | 54 | | { |
| | | 55 | | dirtyCamerasFlag = value; |
| | | 56 | | } |
| | | 57 | | |
| | | 58 | | public void SetCameraFlag(int index, bool value) |
| | | 59 | | { |
| | | 60 | | if (value) |
| | | 61 | | dirtyCamerasFlag |= (1 << index); |
| | | 62 | | else |
| | | 63 | | dirtyCamerasFlag &= ~(1 << index); |
| | | 64 | | } |
| | | 65 | | |
| | | 66 | | public bool IsCameraDirty(int index) => |
| | | 67 | | (dirtyCamerasFlag & (1 << index)) > 0; |
| | | 68 | | |
| | | 69 | | public void SetVisibleFlag(int value) |
| | | 70 | | { |
| | | 71 | | visibleFlag = value; |
| | | 72 | | } |
| | | 73 | | |
| | | 74 | | public void SetVisibleFlag(int index, bool value) |
| | | 75 | | { |
| | | 76 | | if (value) |
| | | 77 | | visibleFlag |= (1 << index); |
| | | 78 | | else |
| | | 79 | | visibleFlag &= ~(1 << index); |
| | | 80 | | } |
| | | 81 | | } |
| | | 82 | | |
| | | 83 | | IReadOnlyDictionary<IMapPositionProvider, TrackedState> IMapCullingController.TrackedObjects => trackedObjs; |
| | | 84 | | } |
| | | 85 | | } |