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Added Steam Input API support for game controllers

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Added support for getting the real controller info, as well as the function SDL_GetGamepadSteamHandle() to get the Steam Input API handle, from the virtual gamepads provided by Steam.

Also added an event SDL_EVENT_GAMEPAD_STEAM_HANDLE_UPDATED which is triggered when a controller's API handle changes, e.g. the controllers were reassigned slots in the Steam UI.
This commit is contained in:
Sam Lantinga
2023-12-09 23:05:34 -08:00
parent a8f4f40d08
commit c981a597dc
42 changed files with 779 additions and 40 deletions
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45
src/joystick/SDL_gamepad.c
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@@ -25,6 +25,7 @@
#include "../SDL_utils_c.h"
#include "SDL_sysjoystick.h"
#include "SDL_joystick_c.h"
#include "SDL_steam_virtual_gamepad.h"
#include "SDL_gamepad_c.h"
#include "SDL_gamepad_db.h"
#include "controller_type.h"
@@ -2411,7 +2412,21 @@ SDL_GamepadType SDL_GetGamepadInstanceType(SDL_JoystickID instance_id)
SDL_GamepadType SDL_GetRealGamepadInstanceType(SDL_JoystickID instance_id)
{
return SDL_GetGamepadTypeFromGUID(SDL_GetJoystickInstanceGUID(instance_id), SDL_GetJoystickInstanceName(instance_id));
SDL_GamepadType type = SDL_GAMEPAD_TYPE_UNKNOWN;
const SDL_SteamVirtualGamepadInfo *info;
SDL_LockJoysticks();
{
info = SDL_GetJoystickInstanceVirtualGamepadInfo(instance_id);
if (info) {
type = info->type;
} else {
type = SDL_GetGamepadTypeFromGUID(SDL_GetJoystickInstanceGUID(instance_id), SDL_GetJoystickInstanceName(instance_id));
}
}
SDL_UnlockJoysticks();
return type;
}
char *SDL_GetGamepadInstanceMapping(SDL_JoystickID instance_id)
@@ -2518,7 +2533,7 @@ SDL_bool SDL_ShouldIgnoreGamepad(const char *name, SDL_JoystickGUID guid)
#ifdef __LINUX__
bSteamVirtualGamepad = (vendor == USB_VENDOR_VALVE && product == USB_PRODUCT_STEAM_VIRTUAL_GAMEPAD);
#elif defined(__MACOS__)
bSteamVirtualGamepad = (vendor == USB_VENDOR_MICROSOFT && product == USB_PRODUCT_XBOX360_WIRED_CONTROLLER && version == 1);
bSteamVirtualGamepad = (vendor == USB_VENDOR_MICROSOFT && product == USB_PRODUCT_XBOX360_WIRED_CONTROLLER && version == 0);
#elif defined(__WIN32__)
/* We can't tell on Windows, but Steam will block others in input hooks */
bSteamVirtualGamepad = SDL_TRUE;
@@ -3190,7 +3205,8 @@ const char *SDL_GetGamepadName(SDL_Gamepad *gamepad)
{
CHECK_GAMEPAD_MAGIC(gamepad, NULL);
if (SDL_strcmp(gamepad->name, "*") == 0) {
if (SDL_strcmp(gamepad->name, "*") == 0 ||
gamepad->joystick->steam_handle != 0) {
retval = SDL_GetJoystickName(gamepad->joystick);
} else {
retval = gamepad->name;
@@ -3214,12 +3230,18 @@ const char *SDL_GetGamepadPath(SDL_Gamepad *gamepad)
SDL_GamepadType SDL_GetGamepadType(SDL_Gamepad *gamepad)
{
SDL_GamepadType type;
const SDL_SteamVirtualGamepadInfo *info;
SDL_LockJoysticks();
{
CHECK_GAMEPAD_MAGIC(gamepad, SDL_GAMEPAD_TYPE_UNKNOWN);
type = gamepad->type;
info = SDL_GetJoystickInstanceVirtualGamepadInfo(gamepad->joystick->instance_id);
if (info) {
type = info->type;
} else {
type = gamepad->type;
}
}
SDL_UnlockJoysticks();
@@ -3310,6 +3332,21 @@ const char * SDL_GetGamepadSerial(SDL_Gamepad *gamepad)
return SDL_GetJoystickSerial(joystick);
}
Uint64 SDL_GetGamepadSteamHandle(SDL_Gamepad *gamepad)
{
Uint64 handle = 0;
SDL_LockJoysticks();
{
CHECK_GAMEPAD_MAGIC(gamepad, 0);
handle = gamepad->joystick->steam_handle;
}
SDL_UnlockJoysticks();
return handle;
}
SDL_JoystickPowerLevel SDL_GetGamepadPowerLevel(SDL_Gamepad *gamepad)
{
SDL_Joystick *joystick = SDL_GetGamepadJoystick(gamepad);