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Automatically assign player indexes to game controllers, and allow changing the player index for game controllers and joysticks.

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Added the functions SDL_JoystickFromPlayerIndex(), SDL_JoystickSetPlayerIndex(), SDL_GameControllerFromPlayerIndex(), and SDL_GameControllerSetPlayerIndex()
This commit is contained in:
Sam Lantinga 2019-12-20 20:12:03 -08:00
parent f050309ee9
commit 46e1377d49
26 changed files with 405 additions and 67 deletions
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24
src/joystick/SDL_gamecontroller.c
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@ -1765,6 +1765,15 @@ SDL_GameControllerGetPlayerIndex(SDL_GameController *gamecontroller)
return SDL_JoystickGetPlayerIndex(SDL_GameControllerGetJoystick(gamecontroller));
}
/**
* Set the player index of an opened game controller
*/
void
SDL_GameControllerSetPlayerIndex(SDL_GameController *gamecontroller, int player_index)
{
SDL_JoystickSetPlayerIndex(SDL_GameControllerGetJoystick(gamecontroller), player_index);
}
Uint16
SDL_GameControllerGetVendor(SDL_GameController * gamecontroller)
{
@ -1809,7 +1818,7 @@ SDL_Joystick *SDL_GameControllerGetJoystick(SDL_GameController * gamecontroller)
/*
* Find the SDL_GameController that owns this instance id
* Return the SDL_GameController associated with an instance id.
*/
SDL_GameController *
SDL_GameControllerFromInstanceID(SDL_JoystickID joyid)
@ -1830,6 +1839,19 @@ SDL_GameControllerFromInstanceID(SDL_JoystickID joyid)
}
/**
* Return the SDL_GameController associated with a player index.
*/
SDL_GameController *SDL_GameControllerFromPlayerIndex(int player_index)
{
SDL_Joystick *joystick = SDL_JoystickFromPlayerIndex(player_index);
if (joystick) {
return SDL_GameControllerFromInstanceID(joystick->instance_id);
}
return NULL;
}
/*
* Get the SDL joystick layer binding for this controller axis mapping
*/