From fbd23c0cce0ade38b760d648af72d01d71cf9075 Mon Sep 17 00:00:00 2001
From: in0finite <leshow816@gmail.com>
Date: Wed, 1 Jul 2020 23:32:40 +0200
Subject: [PATCH] create NetworkRigidBody script

---
 Assets/Scripts/Networking/NetworkRigidBody.cs | 122 ++++++++++++++++++
 .../Networking/NetworkRigidBody.cs.meta       |  11 ++
 2 files changed, 133 insertions(+)
 create mode 100644 Assets/Scripts/Networking/NetworkRigidBody.cs
 create mode 100644 Assets/Scripts/Networking/NetworkRigidBody.cs.meta

diff --git a/Assets/Scripts/Networking/NetworkRigidBody.cs b/Assets/Scripts/Networking/NetworkRigidBody.cs
new file mode 100644
index 00000000..c72ceec8
--- /dev/null
+++ b/Assets/Scripts/Networking/NetworkRigidBody.cs
@@ -0,0 +1,122 @@
+using Mirror;
+using UnityEngine;
+
+namespace SanAndreasUnity.Net
+{
+
+    public class NetworkRigidBody : NetworkBehaviour
+    {
+        public Rigidbody Rigidbody { get; set; }
+
+        Vector3 m_lastPosition = Vector3.zero;
+        Vector3 m_lastRotation = Vector3.zero;
+        Vector3 m_lastVelocity = Vector3.zero;
+        Vector3 m_lastAngularVelocity = Vector3.zero;
+
+
+        void Awake()
+        {
+            this.Rigidbody = this.GetComponent<Rigidbody>();
+        }
+
+        public override void OnDeserialize(NetworkReader reader, bool initialState)
+        {
+            if (null == this.Rigidbody)
+                return;
+
+            byte bitfield = reader.ReadByte();
+
+            if ((bitfield & 1) != 0)
+            {
+                this.Rigidbody.MovePosition(reader.ReadVector3());
+            }
+
+            if ((bitfield & 2) != 0)
+            {
+                this.Rigidbody.MoveRotation(Quaternion.Euler(reader.ReadVector3()));
+            }
+
+            if ((bitfield & 4) != 0)
+            {
+                this.Rigidbody.velocity = reader.ReadVector3();
+            }
+
+            if ((bitfield & 8) != 0)
+            {
+                this.Rigidbody.angularVelocity = reader.ReadVector3();
+            }
+
+        }
+
+        public override bool OnSerialize(NetworkWriter writer, bool initialState)
+        {
+            if (null == this.Rigidbody)
+                return false;
+
+            Vector3 pos = this.Rigidbody.position;
+            Vector3 rot = this.Rigidbody.rotation.eulerAngles;
+            Vector3 vel = this.Rigidbody.velocity;
+            Vector3 angVel = this.Rigidbody.angularVelocity;
+
+            if (initialState)
+            {
+                writer.Write((byte) byte.MaxValue);
+                writer.Write(pos);
+                writer.Write(rot);
+                writer.Write(vel);
+                writer.Write(angVel);
+
+                m_lastPosition = pos;
+                m_lastRotation = rot;
+                m_lastVelocity = vel;
+                m_lastAngularVelocity = angVel;
+
+                return true;
+            }
+
+            int startingWriterPosition = writer.Position;
+            writer.Write((byte)0);
+
+            byte bitfield = 0;
+
+            if (pos != m_lastPosition)
+            {
+                m_lastPosition = pos;
+                writer.Write(pos);
+                bitfield |= 1;
+            }
+
+            if (rot != m_lastRotation)
+            {
+                m_lastRotation = rot;
+                writer.Write(rot);
+                bitfield |= 2;
+            }
+
+            if (vel != m_lastVelocity)
+            {
+                m_lastVelocity = vel;
+                writer.Write(vel);
+                bitfield |= 4;
+            }
+
+            if (angVel != m_lastAngularVelocity)
+            {
+                m_lastAngularVelocity = angVel;
+                writer.Write(angVel);
+                bitfield |= 8;
+            }
+
+            int endWriterPosition = writer.Position;
+
+            writer.Position = startingWriterPosition;
+            writer.Write(bitfield);
+
+            writer.Position = endWriterPosition;
+
+            return bitfield != 0;    // is dirty
+        }
+
+    }
+
+}
diff --git a/Assets/Scripts/Networking/NetworkRigidBody.cs.meta b/Assets/Scripts/Networking/NetworkRigidBody.cs.meta
new file mode 100644
index 00000000..2f55d57f
--- /dev/null
+++ b/Assets/Scripts/Networking/NetworkRigidBody.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 18b3d5884b734d84894d176734f1de9d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: