| | | 1 | | using Cysharp.Threading.Tasks; |
| | | 2 | | using DCL; |
| | | 3 | | using DCL.Controllers; |
| | | 4 | | using DCL.CRDT; |
| | | 5 | | using DCL.Helpers; |
| | | 6 | | using DCL.Models; |
| | | 7 | | using Decentraland.Renderer.RendererServices; |
| | | 8 | | using Google.Protobuf; |
| | | 9 | | using KernelCommunication; |
| | | 10 | | using rpc_csharp; |
| | | 11 | | using RPC.Context; |
| | | 12 | | using System; |
| | | 13 | | using System.Collections.Generic; |
| | | 14 | | using System.IO; |
| | | 15 | | using System.Threading; |
| | | 16 | | using UnityEngine; |
| | | 17 | | using BinaryWriter = KernelCommunication.BinaryWriter; |
| | | 18 | | |
| | | 19 | | namespace RPC.Services |
| | | 20 | | { |
| | | 21 | | public class SceneControllerServiceImpl : IRpcSceneControllerService<RPCContext> |
| | | 22 | | { |
| | | 23 | | // HACK: Until we fix the code generator, we must replace all 'Decentraland.Common.Entity' for 'DCL.ECSComponent |
| | | 24 | | // to be able to access request.Entity properties. |
| | 1 | 25 | | private static readonly UnloadSceneResult defaultUnloadSceneResult = new UnloadSceneResult(); |
| | | 26 | | |
| | | 27 | | private const string REQUIRED_PORT_ID_START = "scene-"; |
| | | 28 | | |
| | 4 | 29 | | private int sceneNumber = -1; |
| | | 30 | | private RPCContext context; |
| | | 31 | | private RpcServerPort<RPCContext> port; |
| | | 32 | | |
| | | 33 | | private readonly MemoryStream sendCrdtMemoryStream; |
| | | 34 | | private readonly BinaryWriter sendCrdtBinaryWriter; |
| | | 35 | | private readonly MemoryStream getStateMemoryStream; |
| | | 36 | | private readonly BinaryWriter getStateBinaryWriter; |
| | | 37 | | |
| | 4 | 38 | | private readonly CRDTSceneMessage reusableCrdtMessageResult = new CRDTSceneMessage(); |
| | | 39 | | |
| | | 40 | | public static void RegisterService(RpcServerPort<RPCContext> port) |
| | | 41 | | { |
| | 3 | 42 | | if (!port.portName.StartsWith(REQUIRED_PORT_ID_START)) return; |
| | | 43 | | |
| | 1 | 44 | | RpcSceneControllerServiceCodeGen.RegisterService(port, new SceneControllerServiceImpl(port)); |
| | 1 | 45 | | } |
| | | 46 | | |
| | 4 | 47 | | public SceneControllerServiceImpl(RpcServerPort<RPCContext> port) |
| | | 48 | | { |
| | 4 | 49 | | port.OnClose += OnPortClose; |
| | 4 | 50 | | this.port = port; |
| | | 51 | | |
| | 4 | 52 | | sendCrdtMemoryStream = new MemoryStream(); |
| | 4 | 53 | | sendCrdtBinaryWriter = new BinaryWriter(sendCrdtMemoryStream); |
| | | 54 | | |
| | 4 | 55 | | getStateMemoryStream = new MemoryStream(); |
| | 4 | 56 | | getStateBinaryWriter = new BinaryWriter(getStateMemoryStream); |
| | 4 | 57 | | } |
| | | 58 | | |
| | | 59 | | private void OnPortClose() |
| | | 60 | | { |
| | 4 | 61 | | port.OnClose -= OnPortClose; |
| | | 62 | | |
| | 4 | 63 | | if (context != null && context.crdt.WorldState.ContainsScene(sceneNumber)) |
| | 2 | 64 | | UnloadScene(null, context, new CancellationToken()).Forget(); |
| | 4 | 65 | | } |
| | | 66 | | |
| | | 67 | | public async UniTask<LoadSceneResult> LoadScene(LoadSceneMessage request, RPCContext context, CancellationToken |
| | | 68 | | { |
| | 3 | 69 | | sceneNumber = request.SceneNumber; |
| | 3 | 70 | | this.context = context; |
| | | 71 | | |
| | 3 | 72 | | List<ContentServerUtils.MappingPair> parsedContent = new List<ContentServerUtils.MappingPair>(); |
| | | 73 | | |
| | 6 | 74 | | for (var i = 0; i < request.Entity.Content.Count; i++) |
| | | 75 | | { |
| | 0 | 76 | | parsedContent.Add(new ContentServerUtils.MappingPair() |
| | | 77 | | { |
| | | 78 | | file = request.Entity.Content[i].File, |
| | | 79 | | hash = request.Entity.Content[i].Hash |
| | | 80 | | }); |
| | | 81 | | } |
| | | 82 | | |
| | 3 | 83 | | CatalystSceneEntityMetadata parsedMetadata = Utils.SafeFromJson<CatalystSceneEntityMetadata>(request.Entity. |
| | 3 | 84 | | Vector2Int[] parsedParcels = new Vector2Int[parsedMetadata.scene.parcels.Length]; |
| | | 85 | | |
| | 12 | 86 | | for (int i = 0; i < parsedMetadata.scene.parcels.Length; i++) |
| | | 87 | | { |
| | 3 | 88 | | parsedParcels[i] = Utils.StringToVector2Int(parsedMetadata.scene.parcels[i]); |
| | | 89 | | } |
| | | 90 | | |
| | 3 | 91 | | await UniTask.SwitchToMainThread(ct); |
| | | 92 | | |
| | 3 | 93 | | if (request.IsGlobalScene) |
| | | 94 | | { |
| | 0 | 95 | | CreateGlobalSceneMessage globalScene = new CreateGlobalSceneMessage() |
| | | 96 | | { |
| | | 97 | | contents = parsedContent, |
| | | 98 | | id = request.Entity.Id, |
| | | 99 | | sdk7 = request.Sdk7, |
| | | 100 | | name = request.SceneName, |
| | | 101 | | baseUrl = request.BaseUrl, |
| | | 102 | | sceneNumber = sceneNumber, |
| | | 103 | | isPortableExperience = request.IsPortableExperience, |
| | | 104 | | icon = string.Empty // TODO: add icon url! |
| | | 105 | | }; |
| | | 106 | | |
| | 0 | 107 | | context.crdt.SceneController.CreateGlobalScene(globalScene); |
| | | 108 | | } |
| | | 109 | | else |
| | | 110 | | { |
| | 3 | 111 | | LoadParcelScenesMessage.UnityParcelScene unityParcelScene = new LoadParcelScenesMessage.UnityParcelScene |
| | | 112 | | { |
| | | 113 | | sceneNumber = sceneNumber, |
| | | 114 | | id = request.Entity.Id, |
| | | 115 | | sdk7 = request.Sdk7, |
| | | 116 | | baseUrl = request.BaseUrl, |
| | | 117 | | baseUrlBundles = request.BaseUrlAssetBundles, |
| | | 118 | | basePosition = Utils.StringToVector2Int(parsedMetadata.scene.@base), |
| | | 119 | | parcels = parsedParcels, |
| | | 120 | | contents = parsedContent |
| | | 121 | | }; |
| | | 122 | | |
| | 3 | 123 | | context.crdt.SceneController.LoadUnityParcelScene(unityParcelScene); |
| | | 124 | | } |
| | | 125 | | |
| | 3 | 126 | | LoadSceneResult result = new LoadSceneResult() { Success = true }; |
| | 3 | 127 | | return result; |
| | 3 | 128 | | } |
| | | 129 | | |
| | | 130 | | public async UniTask<UnloadSceneResult> UnloadScene(UnloadSceneMessage request, RPCContext context, Cancellation |
| | | 131 | | { |
| | 3 | 132 | | await UniTask.SwitchToMainThread(ct); |
| | 3 | 133 | | context.crdt.SceneController.UnloadParcelSceneExecute(sceneNumber); |
| | | 134 | | |
| | 3 | 135 | | return defaultUnloadSceneResult; |
| | 3 | 136 | | } |
| | | 137 | | |
| | | 138 | | public async UniTask<CRDTSceneMessage> SendCrdt(CRDTSceneMessage request, RPCContext context, CancellationToken |
| | | 139 | | { |
| | 1 | 140 | | IParcelScene scene = null; |
| | 1 | 141 | | CRDTServiceContext crdtContext = context.crdt; |
| | | 142 | | |
| | 1 | 143 | | await UniTask.SwitchToMainThread(ct); |
| | | 144 | | |
| | | 145 | | // This line is to avoid a race condition because a CRDT message could be sent before the scene was loaded |
| | | 146 | | // more info: https://github.com/decentraland/sdk/issues/480#issuecomment-1331309908 |
| | 4 | 147 | | await UniTask.WaitUntil(() => crdtContext.WorldState.TryGetScene(sceneNumber, out scene), |
| | | 148 | | cancellationToken: ct); |
| | | 149 | | |
| | 4 | 150 | | await UniTask.WaitWhile(() => crdtContext.MessagingControllersManager.HasScenePendingMessages(sceneNumber), |
| | | 151 | | cancellationToken: ct); |
| | | 152 | | |
| | | 153 | | try |
| | | 154 | | { |
| | 1 | 155 | | int incomingCrdtCount = 0; |
| | 1 | 156 | | reusableCrdtMessageResult.Payload = ByteString.Empty; |
| | | 157 | | |
| | 1 | 158 | | using (var iterator = CRDTDeserializer.DeserializeBatch(request.Payload.Memory)) |
| | | 159 | | { |
| | 2 | 160 | | while (iterator.MoveNext()) |
| | | 161 | | { |
| | 1 | 162 | | if (!(iterator.Current is CRDTMessage crdtMessage)) |
| | | 163 | | continue; |
| | | 164 | | |
| | 1 | 165 | | crdtContext.CrdtMessageReceived?.Invoke(sceneNumber, crdtMessage); |
| | 1 | 166 | | incomingCrdtCount++; |
| | | 167 | | } |
| | 1 | 168 | | } |
| | | 169 | | |
| | 1 | 170 | | if (incomingCrdtCount > 0) |
| | | 171 | | { |
| | | 172 | | // When sdk7 scene receive it first crdt we set `InitMessagesDone` since |
| | | 173 | | // kernel won't be sending that message for those scenes |
| | 1 | 174 | | if (scene.sceneData.sdk7 && !scene.IsInitMessageDone()) |
| | | 175 | | { |
| | 0 | 176 | | crdtContext.SceneController.EnqueueSceneMessage(new QueuedSceneMessage_Scene() |
| | | 177 | | { |
| | | 178 | | sceneNumber = sceneNumber, |
| | | 179 | | tag = "scene", |
| | | 180 | | payload = new Protocol.SceneReady(), |
| | | 181 | | method = MessagingTypes.INIT_DONE, |
| | | 182 | | type = QueuedSceneMessage.Type.SCENE_MESSAGE |
| | | 183 | | }); |
| | | 184 | | } |
| | | 185 | | } |
| | | 186 | | |
| | 1 | 187 | | if (crdtContext.scenesOutgoingCrdts.TryGetValue(sceneNumber, out CRDTProtocol sceneCrdtState)) |
| | | 188 | | { |
| | 0 | 189 | | sendCrdtMemoryStream.SetLength(0); |
| | 0 | 190 | | crdtContext.scenesOutgoingCrdts.Remove(sceneNumber); |
| | 0 | 191 | | KernelBinaryMessageSerializer.Serialize(sendCrdtBinaryWriter, sceneCrdtState); |
| | 0 | 192 | | sceneCrdtState.ClearOnUpdated(); |
| | 0 | 193 | | reusableCrdtMessageResult.Payload = ByteString.CopyFrom(sendCrdtMemoryStream.ToArray()); |
| | | 194 | | } |
| | 1 | 195 | | } |
| | | 196 | | catch (Exception e) |
| | | 197 | | { |
| | 0 | 198 | | Debug.LogError(e); |
| | 0 | 199 | | } |
| | | 200 | | |
| | 1 | 201 | | return reusableCrdtMessageResult; |
| | 1 | 202 | | } |
| | | 203 | | |
| | | 204 | | public async UniTask<CRDTSceneCurrentState> GetCurrentState(GetCurrentStateMessage request, RPCContext context, |
| | | 205 | | { |
| | 0 | 206 | | CRDTProtocol outgoingMessages = null; |
| | 0 | 207 | | CRDTProtocol sceneState = null; |
| | 0 | 208 | | CRDTServiceContext crdtContext = context.crdt; |
| | | 209 | | |
| | | 210 | | // we wait until messages for scene are set |
| | 0 | 211 | | await UniTask.WaitUntil(() => crdtContext.scenesOutgoingCrdts.TryGetValue(sceneNumber, out outgoingMessages) |
| | | 212 | | cancellationToken: ct); |
| | | 213 | | |
| | 0 | 214 | | await UniTask.SwitchToMainThread(ct); |
| | | 215 | | |
| | 0 | 216 | | if (crdtContext.CrdtExecutors != null && crdtContext.CrdtExecutors.TryGetValue(sceneNumber, out ICRDTExecuto |
| | | 217 | | { |
| | 0 | 218 | | sceneState = executor.crdtProtocol; |
| | | 219 | | } |
| | | 220 | | |
| | 0 | 221 | | CRDTSceneCurrentState result = new CRDTSceneCurrentState |
| | | 222 | | { |
| | | 223 | | HasOwnEntities = false |
| | | 224 | | }; |
| | | 225 | | |
| | | 226 | | try |
| | | 227 | | { |
| | 0 | 228 | | getStateMemoryStream.SetLength(0); |
| | | 229 | | |
| | | 230 | | // serialize outgoing messages |
| | 0 | 231 | | crdtContext.scenesOutgoingCrdts.Remove(sceneNumber); |
| | 0 | 232 | | KernelBinaryMessageSerializer.Serialize(getStateBinaryWriter, outgoingMessages); |
| | 0 | 233 | | outgoingMessages.ClearOnUpdated(); |
| | | 234 | | |
| | | 235 | | // serialize scene state |
| | 0 | 236 | | if (sceneState != null) |
| | | 237 | | { |
| | 0 | 238 | | var state = sceneState.GetState(); |
| | | 239 | | |
| | 0 | 240 | | for (int i = 0; i < state.Count; i++) |
| | | 241 | | { |
| | 0 | 242 | | if (state[i].data != null) |
| | | 243 | | { |
| | 0 | 244 | | result.HasOwnEntities = true; |
| | 0 | 245 | | break; |
| | | 246 | | } |
| | | 247 | | } |
| | | 248 | | |
| | 0 | 249 | | KernelBinaryMessageSerializer.Serialize(getStateBinaryWriter, sceneState); |
| | | 250 | | } |
| | | 251 | | |
| | 0 | 252 | | result.Payload = ByteString.CopyFrom(getStateMemoryStream.ToArray()); |
| | 0 | 253 | | } |
| | | 254 | | catch (Exception e) |
| | | 255 | | { |
| | 0 | 256 | | Debug.LogError(e); |
| | 0 | 257 | | } |
| | | 258 | | |
| | 0 | 259 | | return result; |
| | 0 | 260 | | } |
| | | 261 | | } |
| | | 262 | | } |