8.Unity3D商业游戏源码研究-变身吧主公-PanelMgr

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System;

public class PanelMgr
{

#region 初始化

protected static PanelMgr mInstance;

public static PanelMgr Instatance
{
get
{
if (mInstance == null)
{
mInstance = new PanelMgr();
}
return mInstance;
}
}

private PanelMgr()
{
panels = new Dictionary<PanelType, PanelBase>();

}
void Destroy()
{
panels.Clear();
panels = null;
}

#endregion

#region 数据定义
public Dictionary<PanelType, PanelBase> panels;
public enum PanelShowStyle
{
/// <summary> 正常出现 </summary>
Nomal,
/// <summary> 中间由小变大 </summary>
CenterScaleBigNomal,
/// <summary> 由上往下 </summary>
TopToSlide,
/// <summary> 由下往上 </summary>
DownToSlide,
/// <summary> 左往中 </summary>
LeftToSlide,
/// <summary> 右往中 </summary>
RightToSlide,
}

public enum PanelMaskStyle
{
/// <summary> 无背景 </summary>
None,
/// <summary> 半透明背景 </summary>
BlackAlpha,
/// <summary> 无背景，但有Box关闭组件 </summary>
Alpha,
}
#endregion

private Transform parentObj = null;
/// <summary> 当前打开的面板 </summary>
private PanelBase current = null;
public void ShowPanel(PanelType panelType, params object[] panelArgs)
{

if(panels.ContainsKey(panelType))
{
Debug.Log("该面板已打开");
current = panels[panelType];
current.gameObject.SetActive(false);
current.OnInit(panelArgs);
}
else
{
GameObject scene = new GameObject(panelType.ToString());
current = scene.AddComponent(Type.GetType(panelType.ToString())) as PanelBase;
current.gameObject.SetActive(false);
current.OnInit(panelArgs);
panels.Add(panelType, current);
if (parentObj == null)
{
parentObj = GameObject.Find("UI Root").transform;
}
scene.transform.parent = parentObj;
scene.transform.localEulerAngles = Vector3.zero;
scene.transform.localScale = Vector3.one;
scene.transform.localPosition = Vector3.zero;
LayerMgr.GetInstance().SetLayer(current.gameObject, LayerType.Panel);
}

StartShowPanel(current, current.panelShowStyle, true);
}

/// <summary>
/// 发起关闭
/// </summary>
/// <param name="panelType"></param>
public void HidePanel(PanelType panelType)
{
if (panels.ContainsKey(panelType))
{
PanelBase pb = panels[panelType];
StartShowPanel(pb, pb.panelShowStyle, false);
}
else Debug.LogError("少年，你正常执行一个很危险的操作，你要关闭的面板并不存在！！！");
}
/// <summary>
/// 强制KO面板
/// </summary>
/// <param name="panelType"></param>
public void DestroyPanel(PanelType panelType)
{
if(panels.ContainsKey(panelType))
{
PanelBase pb = panels[panelType];
GameObject.Destroy(pb.gameObject);
panels.Remove(panelType);
}
}

private void StartShowPanel(PanelBase go,PanelShowStyle showStle,bool isOpen)
{
switch(showStle)
{
case PanelShowStyle.Nomal:
ShowNomal(go, isOpen);
break;
case PanelShowStyle.CenterScaleBigNomal:
ShowCenterScaleBigNomal(go,isOpen);
break;
case PanelShowStyle.LeftToSlide:
ShowLeftToSlide(go, isOpen,true);
break;
case PanelShowStyle.RightToSlide:
ShowLeftToSlide(go, isOpen, false);
break;
case PanelShowStyle.TopToSlide:
ShowTopToSlide(go, isOpen, true);
break;
case PanelShowStyle.DownToSlide:
ShowTopToSlide(go, isOpen, false);
break;
}
}

#region 各种打开效果
void ShowNomal(PanelBase go,bool isOpen)
{
if(!isOpen)
{
DestroyPanel(go.type);
}
else
{
go.gameObject.SetActive(true);
}
}
/// <summary> 中间变大 </summary>
void ShowCenterScaleBigNomal(PanelBase go, bool isOpen)
{
TweenScale ts = go.gameObject.GetComponent<TweenScale>();
if (ts == null) ts = go.gameObject.AddComponent<TweenScale>();
ts.from = Vector3.zero;
ts.to = Vector3.one;
ts.duration = go.openDuration;
ts.SetOnFinished(() =>
{
if (!isOpen)
DestroyPanel(go.type);
});

go.gameObject.SetActive(true);
if (!isOpen) ts.Play(isOpen);
}
/// <summary> 左右往中 </summary>
void ShowLeftToSlide(PanelBase go, bool isOpen,bool isLeft)
{
TweenPosition tp = go.gameObject.GetComponent<TweenPosition>();
if (tp == null) tp = go.gameObject.AddComponent<TweenPosition>();
tp.from = isLeft ? new Vector3(-700,0, 0) : new Vector3(700,0, 0);
tp.to = Vector3.zero;
tp.duration = go.openDuration;
tp.SetOnFinished(() =>
{
if (!isOpen)
DestroyPanel(go.type);
});
go.gameObject.SetActive(true);
if (!isOpen) tp.Play(isOpen);
}

/// <summary> 上下往中 </summary>
void ShowTopToSlide(PanelBase go, bool isOpen, bool isTop)
{
TweenPosition tp = go.gameObject.GetComponent<TweenPosition>();
if (tp == null) tp = go.gameObject.AddComponent<TweenPosition>();
tp.from = isTop ? new Vector3(0, 600, 0) : new Vector3(0, -600, 0);
tp.to = Vector3.zero;
tp.duration = go.openDuration;
tp.SetOnFinished(() =>
{
if (!isOpen)
DestroyPanel(go.type);
});
go.gameObject.SetActive(true);
if (!isOpen) tp.Play(isOpen);
}
#endregion
}