blob: 927d7fe6e4ebdee94230d86f6f5536bfb70b7442 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
using Ryujinx.SDL2.Common;
using System;
using System.Collections.Generic;
using static SDL2.SDL;
namespace Ryujinx.Input.SDL2
{
public class SDL2GamepadDriver : IGamepadDriver
{
private Dictionary<int, string> _gamepadsInstanceIdsMapping;
private List<string> _gamepadsIds;
public ReadOnlySpan<string> GamepadsIds => _gamepadsIds.ToArray();
public string DriverName => "SDL2";
public event Action<string> OnGamepadConnected;
public event Action<string> OnGamepadDisconnected;
public SDL2GamepadDriver()
{
_gamepadsInstanceIdsMapping = new Dictionary<int, string>();
_gamepadsIds = new List<string>();
SDL2Driver.Instance.Initialize();
SDL2Driver.Instance.OnJoyStickConnected += HandleJoyStickConnected;
SDL2Driver.Instance.OnJoystickDisconnected += HandleJoyStickDisconnected;
// Add already connected gamepads
for (int joystickIndex = 0; joystickIndex < SDL_NumJoysticks(); joystickIndex++)
{
HandleJoyStickConnected(joystickIndex, SDL_JoystickGetDeviceInstanceID(joystickIndex));
}
}
private string GenerateGamepadId(int joystickIndex)
{
Guid guid = SDL_JoystickGetDeviceGUID(joystickIndex);
if (guid == Guid.Empty)
{
return null;
}
return joystickIndex + "-" + guid.ToString();
}
private int GetJoystickIndexByGamepadId(string id)
{
string[] data = id.Split("-");
if (data.Length != 6 || !int.TryParse(data[0], out int joystickIndex))
{
return -1;
}
return joystickIndex;
}
private void HandleJoyStickDisconnected(int joystickInstanceId)
{
if (_gamepadsInstanceIdsMapping.TryGetValue(joystickInstanceId, out string id))
{
_gamepadsInstanceIdsMapping.Remove(joystickInstanceId);
_gamepadsIds.Remove(id);
OnGamepadDisconnected?.Invoke(id);
}
}
private void HandleJoyStickConnected(int joystickDeviceId, int joystickInstanceId)
{
if (SDL_IsGameController(joystickDeviceId) == SDL_bool.SDL_TRUE)
{
string id = GenerateGamepadId(joystickDeviceId);
if (id == null)
{
return;
}
if (_gamepadsInstanceIdsMapping.TryAdd(joystickInstanceId, id))
{
_gamepadsIds.Add(id);
OnGamepadConnected?.Invoke(id);
}
}
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
SDL2Driver.Instance.OnJoyStickConnected -= HandleJoyStickConnected;
SDL2Driver.Instance.OnJoystickDisconnected -= HandleJoyStickDisconnected;
// Simulate a full disconnect when disposing
foreach (string id in _gamepadsIds)
{
OnGamepadDisconnected?.Invoke(id);
}
_gamepadsIds.Clear();
SDL2Driver.Instance.Dispose();
}
}
public void Dispose()
{
Dispose(true);
}
public IGamepad GetGamepad(string id)
{
int joystickIndex = GetJoystickIndexByGamepadId(id);
if (joystickIndex == -1)
{
return null;
}
if (id != GenerateGamepadId(joystickIndex))
{
return null;
}
IntPtr gamepadHandle = SDL_GameControllerOpen(joystickIndex);
if (gamepadHandle == IntPtr.Zero)
{
return null;
}
return new SDL2Gamepad(gamepadHandle, id);
}
}
}
|
