[+] 接入ET8服务端

[+] 接入ET8服务端

Assets/GameScripts/DotNet/Model/Share/LockStep/FrameBuffer.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace ET
+{
+    public class FrameBuffer
+    {
+        public int MaxFrame { get; private set; }
+        private readonly List<OneFrameInputs> frameInputs;
+        private readonly List<MemoryBuffer> snapshots;
+        private readonly List<long> hashs;
+
+        public FrameBuffer(int frame = 0, int capacity = LSConstValue.FrameCountPerSecond * 60)
+        {
+            this.MaxFrame = frame + LSConstValue.FrameCountPerSecond * 30;
+            this.frameInputs = new List<OneFrameInputs>(capacity);
+            this.snapshots = new List<MemoryBuffer>(capacity);
+            this.hashs = new List<long>(capacity);
+            
+            for (int i = 0; i < this.snapshots.Capacity; ++i)
+            {
+                this.hashs.Add(0);
+                this.frameInputs.Add(new OneFrameInputs());
+                MemoryBuffer memoryBuffer = new(10240);
+                memoryBuffer.SetLength(0);
+                memoryBuffer.Seek(0, SeekOrigin.Begin);
+                this.snapshots.Add(memoryBuffer);
+            }
+        }
+
+        public void SetHash(int frame, long hash)
+        {
+            EnsureFrame(frame);
+            this.hashs[frame % this.frameInputs.Capacity] = hash;
+        }
+        
+        public long GetHash(int frame)
+        {
+            EnsureFrame(frame);
+            return this.hashs[frame % this.frameInputs.Capacity];
+        }
+
+        public bool CheckFrame(int frame)
+        {
+            if (frame < 0)
+            {
+                return false;
+            }
+
+            if (frame > this.MaxFrame)
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        private void EnsureFrame(int frame)
+        {
+            if (!CheckFrame(frame))
+            {
+                throw new Exception($"frame out: {frame}, maxframe: {this.MaxFrame}");
+            }
+        }
+        
+        public OneFrameInputs FrameInputs(int frame)
+        {
+            EnsureFrame(frame);
+            OneFrameInputs oneFrameInputs = this.frameInputs[frame % this.frameInputs.Capacity];
+            return oneFrameInputs;
+        }
+
+        public void MoveForward(int frame)
+        {
+            if (this.MaxFrame - frame > LSConstValue.FrameCountPerSecond) // 至少留出1秒的空间
+            {
+                return;
+            }
+            
+            ++this.MaxFrame;
+            
+            OneFrameInputs oneFrameInputs = this.FrameInputs(this.MaxFrame);
+            oneFrameInputs.Inputs.Clear();
+        }
+
+        public MemoryBuffer Snapshot(int frame)
+        {
+            EnsureFrame(frame);
+            MemoryBuffer memoryBuffer = this.snapshots[frame % this.snapshots.Capacity];
+            return memoryBuffer;
+        }
+    }
+}