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Fixed bug 4854 - Add a way to extend the values in controller_type.h

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Added a hint SDL_HINT_GAMECONTROLLERTYPE to allow overriding the built-in controller type database
This commit is contained in:
Sam Lantinga
2020-03-02 10:37:28 -08:00
parent 27f346a058
commit 4572dd2ae6
2 changed files with 73 additions and 0 deletions
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55
src/joystick/controller_type.h
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@@ -540,6 +540,30 @@ static const ControllerDescription_t arrControllers[] = {
{ MAKE_CONTROLLER_ID( 0x28de, 0x1202 ), k_eControllerType_SteamControllerV2, NULL }, // Valve Bluetooth Steam Controller (HEADCRAB)
};
static SDL_INLINE const char *GetControllerTypeOverride( int nVID, int nPID )
{
const char *hint = SDL_GetHint(SDL_HINT_GAMECONTROLLERTYPE);
if (hint) {
char key[32];
const char *spot = NULL;
SDL_snprintf(key, sizeof(key), "0x%.4x/0x%.4x=", nVID, nPID);
spot = SDL_strstr(hint, key);
if (!spot) {
SDL_snprintf(key, sizeof(key), "0x%.4X/0x%.4X=", nVID, nPID);
spot = SDL_strstr(hint, key);
}
if (spot) {
spot += SDL_strlen(key);
if (SDL_strncmp(spot, "k_eControllerType_", 18) == 0) {
spot += 18;
}
return spot;
}
}
return NULL;
}
static SDL_INLINE EControllerType GuessControllerType( int nVID, int nPID )
{
#if 0//def _DEBUG
@@ -565,6 +589,37 @@ static SDL_INLINE EControllerType GuessControllerType( int nVID, int nPID )
unsigned int unDeviceID = MAKE_CONTROLLER_ID( nVID, nPID );
int iIndex;
const char *pszOverride = GetControllerTypeOverride( nVID, nPID );
if ( pszOverride )
{
if ( SDL_strncasecmp( pszOverride, "Xbox360", 7 ) == 0 )
{
return k_eControllerType_XBox360Controller;
}
if ( SDL_strncasecmp( pszOverride, "XboxOne", 7 ) == 0 )
{
return k_eControllerType_XBoxOneController;
}
if ( SDL_strncasecmp( pszOverride, "PS3", 3 ) == 0 )
{
return k_eControllerType_PS3Controller;
}
if ( SDL_strncasecmp( pszOverride, "PS4", 3 ) == 0 )
{
return k_eControllerType_PS4Controller;
}
if ( SDL_strncasecmp( pszOverride, "SwitchPro", 9 ) == 0 )
{
return k_eControllerType_SwitchProController;
}
if ( SDL_strncasecmp( pszOverride, "Steam", 5 ) == 0 )
{
return k_eControllerType_SteamController;
}
return k_eControllerType_UnknownNonSteamController;
}
for ( iIndex = 0; iIndex < sizeof( arrControllers ) / sizeof( arrControllers[0] ); ++iIndex )
{
if ( unDeviceID == arrControllers[ iIndex ].m_unDeviceID )