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using System;
using System.Collections.Generic;
using UnityEngine;
namespace XUtliPoolLib
{
public class XEngineCommandMgr : XSingleton<XEngineCommandMgr>
{
private SimpleQueue m_currentQueue = null;
private SimpleQueue m_commandQueue0 = new SimpleQueue();
private SimpleQueue m_commandQueue1 = new SimpleQueue();
private SimpleQueue m_commandQueue = new SimpleQueue();
private SimpleQueue m_objAsyncDataQueue = new SimpleQueue();
private Queue<GameObject> m_gameObjectQueue = new Queue<GameObject>();
private SimpleQueue GetCurrentQueue()
{
bool flag = this.m_currentQueue == null;
if (flag)
{
this.m_currentQueue = this.m_commandQueue0;
}
return this.m_currentQueue;
}
private SimpleQueue GeBackQueue(SimpleQueue queue)
{
bool flag = queue == this.m_commandQueue0;
SimpleQueue result;
if (flag)
{
result = this.m_commandQueue1;
}
else
{
result = this.m_commandQueue0;
}
return result;
}
private void SwapQueue()
{
bool flag = this.m_currentQueue != null;
if (flag)
{
bool flag2 = this.m_currentQueue == this.m_commandQueue0;
if (flag2)
{
this.m_currentQueue = this.m_commandQueue1;
}
else
{
this.m_currentQueue = this.m_commandQueue0;
}
}
}
public XEngineCommand CreateCommand(ExecuteCommandHandler handler, XGameObject gameObject, int commandID = -1)
{
bool hasData = this.m_commandQueue.HasData;
XEngineCommand xengineCommand;
if (hasData)
{
xengineCommand = this.m_commandQueue.Dequeue<XEngineCommand>();
}
else
{
xengineCommand = new XEngineCommand();
}
xengineCommand.gameObject = gameObject;
xengineCommand.handler = handler;
xengineCommand.objID = gameObject.objID;
xengineCommand.commandID = commandID;
xengineCommand.id = XEngineCommand.debugid++;
return xengineCommand;
}
public void AppendCommand(XEngineCommand command)
{
bool flag = command.CanExecute();
if (flag)
{
command.Execute();
this.ReturnCommand(command);
}
else
{
bool flag2 = XEngineCommand.debug && command.debugHandler != null;
if (flag2)
{
command.debugHandler(command.gameObject, command, "append", command.id);
}
SimpleQueue currentQueue = this.GetCurrentQueue();
currentQueue.Enqueue(command);
}
}
public XObjAsyncData GetObjAsyncData()
{
bool hasData = this.m_objAsyncDataQueue.HasData;
XObjAsyncData result;
if (hasData)
{
result = this.m_objAsyncDataQueue.Dequeue<XObjAsyncData>();
}
else
{
result = new XObjAsyncData();
}
return result;
}
public void ReturnCommand(XEngineCommand command)
{
bool flag = command.data != null;
if (flag)
{
command.data.Reset();
this.m_objAsyncDataQueue.Enqueue(command.data);
}
command.Reset();
this.m_commandQueue.Enqueue(command);
}
public GameObject GetGameObject()
{
bool flag = this.m_gameObjectQueue.Count > 0;
GameObject result;
if (flag)
{
result = this.m_gameObjectQueue.Dequeue();
}
else
{
result = new GameObject("EmptyObject");
}
return result;
}
public void ReturnGameObject(GameObject go)
{
bool flag = go != null;
if (flag)
{
Transform transform = go.transform;
transform.parent = null;
transform.position = XResourceLoaderMgr.Far_Far_Away;
transform.rotation = Quaternion.identity;
transform.localScale = Vector3.one;
go.name = "EmptyObject";
this.m_gameObjectQueue.Enqueue(go);
}
}
public void Update()
{
SimpleQueue currentQueue = this.GetCurrentQueue();
bool flag = currentQueue != null && currentQueue.HasData;
if (flag)
{
SimpleQueue simpleQueue = this.GeBackQueue(currentQueue);
while (currentQueue.HasData)
{
XEngineCommand xengineCommand = currentQueue.Dequeue<XEngineCommand>();
bool flag2 = xengineCommand.IsValid();
if (flag2)
{
bool flag3 = xengineCommand.CanExecute();
if (flag3)
{
bool flag4 = XEngineCommand.debug && xengineCommand.debugHandler != null;
if (flag4)
{
xengineCommand.debugHandler(xengineCommand.gameObject, xengineCommand, "execute", xengineCommand.id);
}
xengineCommand.Execute();
this.ReturnCommand(xengineCommand);
}
else
{
simpleQueue.Enqueue(xengineCommand);
}
}
else
{
bool flag5 = XEngineCommand.debug && xengineCommand.debugHandler != null;
if (flag5)
{
xengineCommand.debugHandler(xengineCommand.gameObject, xengineCommand, "invalid", xengineCommand.id);
}
this.ReturnCommand(xengineCommand);
}
}
this.SwapQueue();
}
}
public void Clear()
{
while (this.m_commandQueue0.HasData)
{
XEngineCommand command = this.m_commandQueue0.Dequeue<XEngineCommand>();
this.ReturnCommand(command);
}
while (this.m_commandQueue1.HasData)
{
XEngineCommand command2 = this.m_commandQueue1.Dequeue<XEngineCommand>();
this.ReturnCommand(command2);
}
this.m_currentQueue = this.m_commandQueue0;
this.m_gameObjectQueue.Clear();
XEngineCommand.debugid = 0;
bool debug = XEngineCommand.debug;
if (debug)
{
XSingleton<XDebug>.singleton.AddWarningLog("[EngineCommand] Clear", null, null, null, null, null);
}
}
}
}
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