89 lines
2.4 KiB
C#
89 lines
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Runtime.InteropServices;
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using FlaxEngine;
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using Console = Cabrito.Console;
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namespace Game
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{
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public class PlayerInputDemo : PlayerInput
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{
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protected List<PlayerInputState> buffer = new List<PlayerInputState>();
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protected IEnumerator<PlayerInputState> bufferEnumerable;
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public PlayerInputDemo(string demoPath)
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{
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if (!File.Exists(demoPath))
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return;
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var expectedPlayerInputStateSize = Marshal.SizeOf(typeof(PlayerInputState));
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var stream = File.OpenRead(demoPath);
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var ver = (int)stream.ReadByte();
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var inputStateSize = (int)stream.ReadByte();
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if (ver != DemoVer && inputStateSize != expectedPlayerInputStateSize)
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{
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Console.Print("demover mismatch: version " + ver + " != " + DemoVer + ", inputStateSize " + inputStateSize + " != " + Marshal.SizeOf(typeof(PlayerInputState)));
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stream.Close();
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return;
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}
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T RawDeserialize<T>(byte[] rawData, int position)
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{
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int rawsize = Marshal.SizeOf(typeof(T));
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if (rawsize > rawData.Length - position)
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throw new ArgumentException("Not enough data to fill struct. Array length from position: " + (rawData.Length-position) + ", Struct length: " + rawsize);
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IntPtr buffer = Marshal.AllocHGlobal(rawsize);
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Marshal.Copy(rawData, position, buffer, rawsize);
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T retobj = (T)Marshal.PtrToStructure(buffer, typeof(T));
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Marshal.FreeHGlobal(buffer);
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return retobj;
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}
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while (true)
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{
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byte[] b = new byte[expectedPlayerInputStateSize];
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var readBytes = stream.Read(b, 0, b.Length);
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if (readBytes < expectedPlayerInputStateSize)
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break;
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buffer.Add(RawDeserialize<PlayerInputState>(b, 0));
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}
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bufferEnumerable = buffer.GetEnumerator();
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Console.Print("demo numstates: " + buffer.Count);
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OnEndFrame(); // advances to first frame
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}
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public override void OnEndFrame()
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{
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// TODO: check if the current state frame matches the current frame number before advancing
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/*asdf++;
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if (asdf < 8)
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return;*/
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if (bufferEnumerable == null || !bufferEnumerable.MoveNext())
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{
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if (buffer.Any())
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{
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bufferEnumerable.Dispose();
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bufferEnumerable = null;
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buffer.Clear();
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Console.Print("Demo ended");
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}
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return;
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}
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//var actorState = currentState.actor;
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currentState.input = bufferEnumerable.Current;
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//frame++;
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//currentState.actor = actorState;
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}
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}
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} |