Add simple butch update

Author: Team-on

GameTemplate/Assets/GeneralGameAssembly.asmdef

@@ -16,15 +16,15 @@
         "GUID:4307f53044263cf4b835bd812fc161a4",
         "GUID:d60799ab2a985554ea1a39cd38695018",
         "GUID:89dcb66bc38a0d640922fdcb803cf4bf",
-        "GUID:4b4794e38edc74eb8986ad993a5ad5c8",
         "GUID:4233b5049d96f5846991895f3845e9d3",
         "GUID:38fe782b688022a4a98328b1d5900bdb",
         "GUID:46cc2325ddc967847a6e9ca3f6ebd47f",
         "GUID:7793e5cd8d2e94e21b56de41db6606bb",
         "GUID:cf414061cae3a954baf92763590f3127",
         "GUID:735c8f008d0ad4caa9cdc4306f1c3042",
         "GUID:912e75b90945e408ba68bdb73fd29eb9",
-        "GUID:696a0953692949b40bec8730e64e1fdd"
+        "GUID:696a0953692949b40bec8730e64e1fdd",
+        "GUID:9075cc9e1ab791048a99eff30736064f"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],

GameTemplate/Assets/Plugins/BatchUpdate.meta

@@ -0,0 +1,16 @@
+{
+    "name": "BatchUpdate",
+    "rootNamespace": "",
+    "references": [
+        "GUID:89dcb66bc38a0d640922fdcb803cf4bf"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

GameTemplate/Assets/Plugins/BatchUpdate/BatchUpdate.asmdef

@@ -0,0 +1,7 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public interface IBatchUpdate {
+    void BatchUpdate();
+}

GameTemplate/Assets/Plugins/BatchUpdate/BatchUpdate.asmdef.meta

@@ -0,0 +1,16 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public abstract class MonoBehaviourBatchUpdate : MonoBehaviour, IBatchUpdate
+{
+    public abstract void BatchUpdate();
+
+	protected virtual void OnEnable() {
+		UpdateManager.RegisterSlicedUpdate(this, UpdateManager.UpdateMode.Always);
+	}
+
+	protected virtual void OnDisable() {
+		UpdateManager.DeregisterSlicedUpdate(this);
+	}
+}

GameTemplate/Assets/Plugins/BatchUpdate/IBatchUpdate.cs

@@ -0,0 +1,42 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public static class UpdateManager {
+    public enum UpdateMode { BucketA, BucketB, Always }
+
+    static readonly HashSet<IBatchUpdate> _slicedUpdateBehavioursBucketA = new HashSet<IBatchUpdate>();
+    static readonly HashSet<IBatchUpdate> _slicedUpdateBehavioursBucketB = new HashSet<IBatchUpdate>();
+    static bool _isCurrentBucketA;
+
+    [RuntimeInitializeOnLoadMethod]
+    private static void Initialize() {
+        PlayerLoopInterface.InsertSystemBefore(typeof(UpdateManager), UpdateSystem, typeof(UnityEngine.PlayerLoop.Update.ScriptRunBehaviourUpdate));
+    }
+
+    private static void UpdateSystem() {
+        var targetUpdateFunctions = _isCurrentBucketA ? _slicedUpdateBehavioursBucketA : _slicedUpdateBehavioursBucketB;
+        foreach (var slicedUpdateBehaviour in targetUpdateFunctions) {
+            slicedUpdateBehaviour.BatchUpdate();
+        }
+        _isCurrentBucketA = !_isCurrentBucketA;
+    }
+
+    #region Register
+    public static void RegisterSlicedUpdate(IBatchUpdate slicedUpdateBehaviour, UpdateMode updateMode) {
+        if (updateMode == UpdateMode.Always) {
+            _slicedUpdateBehavioursBucketA.Add(slicedUpdateBehaviour);
+            _slicedUpdateBehavioursBucketB.Add(slicedUpdateBehaviour);
+        }
+        else {
+            var targetUpdateFunctions = updateMode == UpdateMode.BucketA ? _slicedUpdateBehavioursBucketA : _slicedUpdateBehavioursBucketB;
+            targetUpdateFunctions.Add(slicedUpdateBehaviour);
+        }
+    }
+
+    public static void DeregisterSlicedUpdate(IBatchUpdate slicedUpdateBehaviour) {
+        _slicedUpdateBehavioursBucketA.Remove(slicedUpdateBehaviour);
+        _slicedUpdateBehavioursBucketB.Remove(slicedUpdateBehaviour);
+    }
+    #endregion
+}