From 28f891ad0ab7d6d38667649d85962e6adecc4a97 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 9 May 2023 17:08:47 -0700
Subject: [PATCH] Allow the application to send rumble packets to Nintendo
Switch controllers
---
src/joystick/hidapi/SDL_hidapi_switch.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/joystick/hidapi/SDL_hidapi_switch.c b/src/joystick/hidapi/SDL_hidapi_switch.c
index ea2b5f9e2c3b..632a2e94fc8c 100644
--- a/src/joystick/hidapi/SDL_hidapi_switch.c
+++ b/src/joystick/hidapi/SDL_hidapi_switch.c
@@ -1560,6 +1560,26 @@ static int HIDAPI_DriverSwitch_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joy
static int HIDAPI_DriverSwitch_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)
{
+ SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)device->context;
+
+ if (size == sizeof(SwitchCommonOutputPacket_t)) {
+ const SwitchCommonOutputPacket_t *packet = (SwitchCommonOutputPacket_t *)data;
+
+ if (packet->ucPacketType != k_eSwitchOutputReportIDs_Rumble) {
+ return SDL_SetError("Unknown Nintendo Switch Pro effect type");
+ }
+
+ SDL_copyp(&ctx->m_RumblePacket.rumbleData[0], &packet->rumbleData[0]);
+ SDL_copyp(&ctx->m_RumblePacket.rumbleData[1], &packet->rumbleData[1]);
+ if (!WriteRumble(ctx)) {
+ return -1;
+ }
+
+ /* This overwrites any internal rumble */
+ ctx->m_bRumblePending = SDL_FALSE;
+ ctx->m_bRumbleZeroPending = SDL_FALSE;
+ return 0;
+ }
return SDL_Unsupported();
}