1 | /* |
2 | Copyright (C) Valve Corporation |
3 | |
4 | This software is provided 'as-is', without any express or implied |
5 | warranty. In no event will the authors be held liable for any damages |
6 | arising from the use of this software. |
7 | |
8 | Permission is granted to anyone to use this software for any purpose, |
9 | including commercial applications, and to alter it and redistribute it |
10 | freely, subject to the following restrictions: |
11 | |
12 | 1. The origin of this software must not be misrepresented; you must not |
13 | claim that you wrote the original software. If you use this software |
14 | in a product, an acknowledgment in the product documentation would be |
15 | appreciated but is not required. |
16 | 2. Altered source versions must be plainly marked as such, and must not be |
17 | misrepresented as being the original software. |
18 | 3. This notice may not be removed or altered from any source distribution. |
19 | */ |
20 | #include "SDL_internal.h" |
21 | |
22 | |
23 | #include "controller_type.h" |
24 | #include "controller_list.h" |
25 | |
26 | |
27 | static const char *GetControllerTypeOverride( int nVID, int nPID ) |
28 | { |
29 | const char *hint = SDL_GetHint(SDL_HINT_GAMECONTROLLERTYPE); |
30 | if (hint) { |
31 | char key[32]; |
32 | const char *spot = NULL; |
33 | |
34 | SDL_snprintf(key, sizeof(key), "0x%.4x/0x%.4x=" , nVID, nPID); |
35 | spot = SDL_strstr(hint, key); |
36 | if (!spot) { |
37 | SDL_snprintf(key, sizeof(key), "0x%.4X/0x%.4X=" , nVID, nPID); |
38 | spot = SDL_strstr(hint, key); |
39 | } |
40 | if (spot) { |
41 | spot += SDL_strlen(key); |
42 | if (SDL_strncmp(spot, "k_eControllerType_" , 18) == 0) { |
43 | spot += 18; |
44 | } |
45 | return spot; |
46 | } |
47 | } |
48 | return NULL; |
49 | } |
50 | |
51 | |
52 | EControllerType GuessControllerType( int nVID, int nPID ) |
53 | { |
54 | #if 0//def _DEBUG |
55 | // Verify that there are no duplicates in the controller list |
56 | // If the list were sorted, we could do this much more efficiently, as well as improve lookup speed. |
57 | static bool s_bCheckedForDuplicates; |
58 | if ( !s_bCheckedForDuplicates ) |
59 | { |
60 | s_bCheckedForDuplicates = true; |
61 | int i, j; |
62 | for ( i = 0; i < sizeof( arrControllers ) / sizeof( arrControllers[ 0 ] ); ++i ) |
63 | { |
64 | for ( j = i + 1; j < sizeof( arrControllers ) / sizeof( arrControllers[ 0 ] ); ++j ) |
65 | { |
66 | if ( arrControllers[ i ].m_unDeviceID == arrControllers[ j ].m_unDeviceID ) |
67 | { |
68 | Log( "Duplicate controller entry found for VID 0x%.4x PID 0x%.4x\n" , ( arrControllers[ i ].m_unDeviceID >> 16 ), arrControllers[ i ].m_unDeviceID & 0xFFFF ); |
69 | } |
70 | } |
71 | } |
72 | } |
73 | #endif // _DEBUG |
74 | |
75 | unsigned int unDeviceID = MAKE_CONTROLLER_ID( nVID, nPID ); |
76 | int iIndex; |
77 | |
78 | const char *pszOverride = GetControllerTypeOverride( nVID, nPID ); |
79 | if ( pszOverride ) |
80 | { |
81 | if ( SDL_strncasecmp( pszOverride, "Xbox360" , 7 ) == 0 ) |
82 | { |
83 | return k_eControllerType_XBox360Controller; |
84 | } |
85 | if ( SDL_strncasecmp( pszOverride, "XboxOne" , 7 ) == 0 ) |
86 | { |
87 | return k_eControllerType_XBoxOneController; |
88 | } |
89 | if ( SDL_strncasecmp( pszOverride, "PS3" , 3 ) == 0 ) |
90 | { |
91 | return k_eControllerType_PS3Controller; |
92 | } |
93 | if ( SDL_strncasecmp( pszOverride, "PS4" , 3 ) == 0 ) |
94 | { |
95 | return k_eControllerType_PS4Controller; |
96 | } |
97 | if ( SDL_strncasecmp( pszOverride, "PS5" , 3 ) == 0 ) |
98 | { |
99 | return k_eControllerType_PS5Controller; |
100 | } |
101 | if ( SDL_strncasecmp( pszOverride, "SwitchPro" , 9 ) == 0 ) |
102 | { |
103 | return k_eControllerType_SwitchProController; |
104 | } |
105 | if ( SDL_strncasecmp( pszOverride, "Steam" , 5 ) == 0 ) |
106 | { |
107 | return k_eControllerType_SteamController; |
108 | } |
109 | return k_eControllerType_UnknownNonSteamController; |
110 | } |
111 | |
112 | for ( iIndex = 0; iIndex < sizeof( arrControllers ) / sizeof( arrControllers[0] ); ++iIndex ) |
113 | { |
114 | if ( unDeviceID == arrControllers[ iIndex ].m_unDeviceID ) |
115 | { |
116 | return arrControllers[ iIndex ].m_eControllerType; |
117 | } |
118 | } |
119 | |
120 | return k_eControllerType_UnknownNonSteamController; |
121 | |
122 | } |
123 | |
124 | const char *GuessControllerName( int nVID, int nPID ) |
125 | { |
126 | unsigned int unDeviceID = MAKE_CONTROLLER_ID( nVID, nPID ); |
127 | int iIndex; |
128 | for ( iIndex = 0; iIndex < sizeof( arrControllers ) / sizeof( arrControllers[0] ); ++iIndex ) |
129 | { |
130 | if ( unDeviceID == arrControllers[ iIndex ].m_unDeviceID ) |
131 | { |
132 | return arrControllers[ iIndex ].m_pszName; |
133 | } |
134 | } |
135 | |
136 | return NULL; |
137 | |
138 | } |
139 | |
140 | #undef MAKE_CONTROLLER_ID |
141 | |