AxibugEmuOnline/AxibugEmuOnline.Client/Assets/Script/AppMain/NesEmulator/NesControllerMapper.cs

328 lines
13 KiB
C#

using AxibugEmuOnline.Client.Event;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using VirtualNes.Core;
namespace AxibugEmuOnline.Client
{
public class NesControllerMapper : IControllerSetuper
{
public Controller Controller0 { get; } = new Controller(0);
public Controller Controller1 { get; } = new Controller(1);
public Controller Controller2 { get; } = new Controller(2);
public Controller Controller3 { get; } = new Controller(3);
private readonly EnumButtonType[] m_states = new EnumButtonType[4];
public ControllerState CreateState()
{
m_states[0] = m_states[1] = m_states[2] = m_states[3] = 0;
if (Controller0.ConnectSlot.HasValue) m_states[Controller0.ConnectSlot.Value] = Controller0.GetButtons();
else if (Controller0.AnyButtonDown()) Eventer.Instance.PostEvent(EEvent.OnLocalJoyDesireInvert, 0);
if (Controller1.ConnectSlot.HasValue) m_states[Controller1.ConnectSlot.Value] = Controller1.GetButtons();
else if (Controller1.AnyButtonDown()) Eventer.Instance.PostEvent(EEvent.OnLocalJoyDesireInvert, 1);
if (Controller2.ConnectSlot.HasValue) m_states[Controller2.ConnectSlot.Value] = Controller2.GetButtons();
else if (Controller2.AnyButtonDown()) Eventer.Instance.PostEvent(EEvent.OnLocalJoyDesireInvert, 2);
if (Controller3.ConnectSlot.HasValue) m_states[Controller3.ConnectSlot.Value] = Controller3.GetButtons();
else if (Controller3.AnyButtonDown()) Eventer.Instance.PostEvent(EEvent.OnLocalJoyDesireInvert, 3);
var result = new ControllerState(m_states);
return result;
}
public void SetConnect(uint? con0ToSlot = null,
uint? con1ToSlot = null,
uint? con2ToSlot = null,
uint? con3ToSlot = null)
{
Controller0.ConnectSlot = con0ToSlot;
Controller1.ConnectSlot = con1ToSlot;
Controller2.ConnectSlot = con2ToSlot;
Controller3.ConnectSlot = con3ToSlot;
}
public int? GetSlotConnectingControllerIndex(int slotIndex)
{
if (Controller0.ConnectSlot.HasValue && Controller0.ConnectSlot.Value == slotIndex) return 0;
else if (Controller1.ConnectSlot.HasValue && Controller1.ConnectSlot.Value == slotIndex) return 1;
else if (Controller2.ConnectSlot.HasValue && Controller2.ConnectSlot.Value == slotIndex) return 2;
else if (Controller3.ConnectSlot.HasValue && Controller3.ConnectSlot.Value == slotIndex) return 3;
else return null;
}
public IController GetSlotConnectingController(int slotIndex)
{
if (Controller0.ConnectSlot.HasValue && Controller0.ConnectSlot.Value == slotIndex) return Controller0;
else if (Controller1.ConnectSlot.HasValue && Controller1.ConnectSlot.Value == slotIndex) return Controller1;
else if (Controller2.ConnectSlot.HasValue && Controller2.ConnectSlot.Value == slotIndex) return Controller2;
else if (Controller3.ConnectSlot.HasValue && Controller3.ConnectSlot.Value == slotIndex) return Controller3;
else return null;
}
static HashSet<uint> s_temp = new HashSet<uint>(4);
public uint? GetFreeSlotIndex()
{
s_temp.Clear();
s_temp.Add(0);
s_temp.Add(1);
s_temp.Add(2);
s_temp.Add(3);
if (Controller0.ConnectSlot.HasValue) s_temp.Remove(Controller0.ConnectSlot.Value);
if (Controller1.ConnectSlot.HasValue) s_temp.Remove(Controller1.ConnectSlot.Value);
if (Controller2.ConnectSlot.HasValue) s_temp.Remove(Controller2.ConnectSlot.Value);
if (Controller3.ConnectSlot.HasValue) s_temp.Remove(Controller3.ConnectSlot.Value);
if (s_temp.Count > 0) return s_temp.First();
else return null;
}
public void LetControllerConnect(int conIndex, uint slotIndex)
{
var targetController = conIndex switch
{
0 => Controller0,
1 => Controller1,
2 => Controller2,
3 => Controller3,
_ => throw new System.Exception($"Not Allowed conIndex Range: {conIndex}")
};
if (targetController.ConnectSlot.HasValue) return;
targetController.ConnectSlot = slotIndex;
Eventer.Instance.PostEvent(EEvent.OnControllerConnectChanged);
}
/// <summary>
/// Nes控制器
/// </summary>
public class Controller : IController
{
/// <summary>
/// 控制器编号
/// <para><c>此编号并非对应游戏中的player1,player2,player3,player4,仅仅作为本地4个手柄的实例</c></para>
/// <value>[0,3]</value>
/// </summary>
public int ControllerIndex { get; }
/// <summary>
/// 指示该手柄连接的手柄插槽
/// <para><c>这个值代表了该手柄在实际游戏中控制的Player</c></para>
/// <value>[0,3] 例外:为空代表未连接</value>
/// </summary>
public uint? ConnectSlot { get; set; }
public Button UP { get; }
public Button DOWN { get; }
public Button LEFT { get; }
public Button RIGHT { get; }
public Button A { get; }
public Button B { get; }
public Button SELECT { get; }
public Button START { get; }
public Button MIC { get; }
public Controller(int controllerIndex)
{
ControllerIndex = controllerIndex;
UP = new Button(this, EnumButtonType.UP);
DOWN = new Button(this, EnumButtonType.DOWN);
LEFT = new Button(this, EnumButtonType.LEFT);
RIGHT = new Button(this, EnumButtonType.RIGHT);
A = new Button(this, EnumButtonType.A);
B = new Button(this, EnumButtonType.B);
SELECT = new Button(this, EnumButtonType.SELECT);
START = new Button(this, EnumButtonType.START);
MIC = new Button(this, EnumButtonType.MIC);
}
public EnumButtonType GetButtons()
{
EnumButtonType res = 0;
res |= UP.SampleKey();
res |= DOWN.SampleKey();
res |= LEFT.SampleKey();
res |= RIGHT.SampleKey();
res |= A.SampleKey();
res |= B.SampleKey();
res |= SELECT.SampleKey();
res |= START.SampleKey();
res |= MIC.SampleKey();
return res;
}
public bool AnyButtonDown()
{
return
UP.IsDown ||
DOWN.IsDown ||
LEFT.IsDown ||
RIGHT.IsDown ||
A.IsDown ||
B.IsDown ||
SELECT.IsDown ||
START.IsDown ||
MIC.IsDown;
}
public static KeyListener GetKey(int controllerInput, EnumButtonType nesConBtnType)
{
string configKey = $"NES_{controllerInput}_{nesConBtnType}";
if (PlayerPrefs.HasKey(configKey))
{
return new KeyListener(PlayerPrefs.GetString(configKey));
}
else
{
var defaultKeyCode = KeyListener.GetDefaultKey(controllerInput, nesConBtnType);
PlayerPrefs.SetString(configKey, defaultKeyCode.ToString());
return defaultKeyCode;
}
}
}
/// <summary>
/// NES控制器按键类
/// </summary>
public class Button
{
/// <summary> 所属控制器 </summary>
readonly Controller m_hostController;
/// <summary> 按键 </summary>
readonly EnumButtonType m_buttonType;
/// <summary> 按键监听器 </summary>
KeyListener m_keyListener;
/// <summary> 指示按钮是否正在按下状态 </summary>
public bool IsPressing => m_keyListener.IsPressing();
/// <summary> 指示按钮是否被按下 </summary>
public bool IsDown => m_keyListener.IsDown();
public Button(Controller controller, EnumButtonType buttonType)
{
m_hostController = controller;
m_buttonType = buttonType;
CreateListener();
}
/// <summary>
/// 采集按钮按下状态
/// </summary>
/// <returns></returns>
public EnumButtonType SampleKey()
{
return IsPressing ? m_buttonType : 0;
}
private void CreateListener()
{
m_keyListener = Controller.GetKey(m_hostController.ControllerIndex, m_buttonType);
}
}
//low C# readonly
//public readonly struct KeyListener
public struct KeyListener
{
private readonly KeyCode m_key;
public KeyListener(KeyCode key)
{
m_key = key;
}
/// <summary> 从配置字符串构建 </summary>
public KeyListener(string confStr)
{
m_key = KeyCode.None;
int result;
if (int.TryParse(confStr, out result))
m_key = (KeyCode)result;
}
public bool IsPressing()
{
return Input.GetKey(m_key);
}
public bool IsDown()
{
return Input.GetKeyDown(m_key);
}
public override string ToString()
{
return ((int)(m_key)).ToString();
}
public static KeyListener GetDefaultKey(int controllerIndex, EnumButtonType nesConBtnType)
{
switch (controllerIndex)
{
case 0:
switch (nesConBtnType)
{
case EnumButtonType.LEFT:
return new KeyListener(KeyCode.A);
case EnumButtonType.RIGHT:
return new KeyListener(KeyCode.D);
case EnumButtonType.UP:
return new KeyListener(KeyCode.W);
case EnumButtonType.DOWN:
return new KeyListener(KeyCode.S);
case EnumButtonType.START:
return new KeyListener(KeyCode.B);
case EnumButtonType.SELECT:
return new KeyListener(KeyCode.V);
case EnumButtonType.A:
return new KeyListener(KeyCode.K);
case EnumButtonType.B:
return new KeyListener(KeyCode.J);
case EnumButtonType.MIC:
return new KeyListener(KeyCode.M);
}
break;
case 1:
switch (nesConBtnType)
{
case EnumButtonType.LEFT:
return new KeyListener(KeyCode.Delete);
case EnumButtonType.RIGHT:
return new KeyListener(KeyCode.PageDown);
case EnumButtonType.UP:
return new KeyListener(KeyCode.Home);
case EnumButtonType.DOWN:
return new KeyListener(KeyCode.End);
case EnumButtonType.START:
return new KeyListener(KeyCode.PageUp);
case EnumButtonType.SELECT:
return new KeyListener(KeyCode.Insert);
case EnumButtonType.A:
return new KeyListener(KeyCode.Keypad5);
case EnumButtonType.B:
return new KeyListener(KeyCode.Keypad4);
case EnumButtonType.MIC:
return new KeyListener(KeyCode.KeypadPeriod);
}
break;
}
return default(KeyListener);
}
}
}
}