Unity3d 网络同步算法 - 纳金网

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System;
public class NetworkController : MonoBehaviour
{
// Use this for initialization
void Start ()
{
this.rigidbody.useGravity = false;
}
// Update is called once per frame
void Update ()
{
NetworkListen();
}
#region 网络监听
private void NetworkListen()
{
this.rigidbody.useGravity = false;
this.rigidbody.angularVelocity = Vector3.zero;
if( SelfInfo.GamePlayerInfo.ContainsKey(this.name) && SelfInfo.GamePlayerInfo[this.name].que.Count > 0 )
{
long networktime = ( BaseInfo.NetWorkTime + BaseInfo.DelayBackTime + (long)((Time.time - BaseInfo.GameTime)*1000f) );
int i;
for( i = 0 ; i<SelfInfo.GamePlayerInfo[this.name].que.Count ; i++ )
{
if( networktime <= long.Parse( (string)SelfInfo.GamePlayerInfo[this.name].que.data[18] ) )
{
break;
}
}
if( i == SelfInfo.GamePlayerInfo[this.name].que.Count )
i--;
MessageElement message_item = SelfInfo.GamePlayerInfo[this.name].que[ i ];
MessageElement message_item2;
if( i > 0 )
{
message_item2 = SelfInfo.GamePlayerInfo[this.name].que[ i-1 ];
SelfInfo.GamePlayerInfo[this.name].que.RemoveRange(0,i-1);
}
else
{
message_item2 = SelfInfo.GamePlayerInfo[this.name].que[ i ];
}
Vector3 Nowvelocity = new Vector3(float.Parse((string)message_item.data[11]) , float.Parse((string)message_item.data[12]) , float.Parse((string)message_item.data[13]) );
Vector3 Nowvelocity2 = new Vector3(float.Parse((string)message_item2.data[11]) , float.Parse((string)message_item2.data[12]) , float.Parse((string)message_item2.data[13]) );
Vector3 NowVelocityA = new Vector3(float.Parse((string)message_item.data[14]) , float.Parse((string)message_item.data[15]) , float.Parse((string)message_item.data[16]) );
Vector3 NowVelocityA2 = new Vector3(float.Parse((string)message_item2.data[14]) , float.Parse((string)message_item2.data[15]) , float.Parse((string)message_item2.data[16]) );
Quaternion Nowrotation = new Quaternion(float.Parse((string)message_item.data[7]) , float.Parse((string)message_item.data[8]) , float.Parse((string)message_item.data[9]) , float.Parse((string)message_item.data[10]) );
Quaternion Nowrotation2 = new Quaternion(float.Parse((string)message_item2.data[7]) , float.Parse((string)message_item2.data[8]) , float.Parse((string)message_item2.data[9]) , float.Parse((string)message_item2.data[10]) );
Vector3 Nowposition = new Vector3( float.Parse((string)message_item.data[4]) , float.Parse((string)message_item.data[5]) , float.Parse((string)message_item.data[6]) );
Vector3 Nowposition2 = new Vector3( float.Parse((string)message_item2.data[4]) , float.Parse((string)message_item2.data[5]) , float.Parse((string)message_item2.data[6]) );
//~ Debug.Log(networktime - long.Parse((string)message_item.data[18]));
long TimeLimitExceed = 500;
//忽略大于固定延迟时间
if( networktime - long.Parse((string)message_item.data[18]) > TimeLimitExceed )
{
//~ Debug.Log(networktime - long.Parse((string)message_item.data[18]));
return;
}
//求新的位置点
float tmptime = 0f;
float delaytime = 0.1f;
if( Nowvelocity.magnitude != 0 )
tmptime += ( Nowposition - Nowposition2 ).magnitude / Nowvelocity2.magnitude;
//求移动中间点
float AddSpeedTime = (float)( networktime - long.Parse((string)message_item.data[18]) )/1000f;
float DisTime = (float)( long.Parse( (string)message_item.data[18] ) - long.Parse( (string)message_item2.data[18] ) )/1000f;
Vector3 VelocityA = NowVelocityA;
Vector3 NewPosition = Nowposition + Nowvelocity*AddSpeedTime + VelocityA*AddSpeedTime*AddSpeedTime/2f + (Nowvelocity+AddSpeedTime*VelocityA)*delaytime ;
Vector3 NewPosition1 = Nowposition + Nowvelocity*AddSpeedTime + VelocityA*AddSpeedTime*AddSpeedTime/2f;
if( (NewPosition1 - this.transform.position).magnitude > 10f )
{
Debug.Log(“Distance is larger than 10 meters!”);
this.rigidbody.velocity = (Nowvelocity+AddSpeedTime*VelocityA)*delaytime;
this.rigidbody.angularVelocity = Vector3.zero;
this.transform.rotation = Nowrotation;
this.transform.position = NewPosition1;
return;
}
//~ Debug.DrawLine( NewPosition , NewPosition + Vector3.up*20f );
//~ this.transform.position = NewPosition;
//~ return;
//~ if( (NewPosition - this.rigidbody.position).magnitude > 10 )
//~ this.GetComponentInChildren<Collider>().isTrigger = true;
//~ else
//~ this.GetComponentInChildren<Collider>().isTrigger = false;
Vector3 NewVelocity;
//~ if( Vector3.Angle( ( Nowposition - NewPosition ).normalized , ( NewPosition - this.rigidbody.position ).normalized ) > 110f )
//~ {
//~ NewVelocity = ( Nowposition2 - Nowposition ).normalized * Nowvelocity.magnitude;
//~ dislen = ( (float)( networktime - long.Parse((string)message_item2.data[18]) ) + delaytime ) / ( (float)( long.Parse( (string)message_item.data[18] ) - long.Parse( (string)message_item2.data[18] ) ) );
//~ NewPosition = Vector3.Slerp( Nowposition2 , Nowposition , dislen );
//~ NewVelocity = ( NewPosition - this.rigidbody.position ).normalized * ( NewPosition - this.rigidbody.position ).magnitude / tmptime;
//~ Debug.Log(“in back: ”+ Vector3.Angle( ( Nowposition - NewPosition ).normalized , ( NewPosition - this.rigidbody.position ).normalized ) );
//~ }
//~ else
//~ {
//把新速度付给本物体
if( tmptime < 0.00001f )
{
NewVelocity = ( NewPosition - this.rigidbody.position ).normalized * Nowvelocity.magnitude;
}
else
{
NewVelocity = ( NewPosition - this.rigidbody.position ).normalized *( NewPosition - this.rigidbody.position ).magnitude / tmptime;
}
this.rigidbody.velocity = NewVelocity;
//车辆方向改变旋转模拟
float len = 1f;
if( (NewPosition - this.rigidbody.position).magnitude > 0 )
len = NewVelocity.magnitude*Time.deltaTime / (NewPosition - this.rigidbody.position).magnitude;
this.transform.rotation = Quaternion.Slerp( this.rigidbody.rotation , Nowrotation , len );
}
}
#endregion
}

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