From 4d10d3113fbb22f225fb0353f3f28c39902af11d Mon Sep 17 00:00:00 2001
From: VolcaEM <63682805+VolcaEM@users.noreply.github.com>
Date: Mon, 1 Jun 2020 19:38:44 +0200
Subject: [PATCH] hid: Stub GetXpadIDs

Allows Minecraft: Nintendo Switch Edition (a.k.a. old Minecraft) to boot and go ingame
---
 src/core/hle/service/hid/hid.cpp | 14 +++++++++++++-
 src/core/hle/service/hid/hid.h   |  1 +
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index c84cb1483..18fb1d62c 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -161,7 +161,7 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {40, nullptr, "AcquireXpadIdEventHandle"},
         {41, nullptr, "ReleaseXpadIdEventHandle"},
         {51, &Hid::ActivateXpad, "ActivateXpad"},
-        {55, nullptr, "GetXpadIds"},
+        {55, &Hid::GetXpadIDs, "GetXpadIds"},
         {56, nullptr, "ActivateJoyXpad"},
         {58, nullptr, "GetJoyXpadLifoHandle"},
         {59, nullptr, "GetJoyXpadIds"},
@@ -319,6 +319,18 @@ void Hid::ActivateXpad(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void Hid::GetXpadIDs(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "(STUBBED) called, applet_resource_user_id={}", 
+              applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push(0);
+}
+
 void Hid::ActivateDebugPad(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
diff --git a/src/core/hle/service/hid/hid.h b/src/core/hle/service/hid/hid.h
index c8ed4ad8b..d481a75f8 100644
--- a/src/core/hle/service/hid/hid.h
+++ b/src/core/hle/service/hid/hid.h
@@ -86,6 +86,7 @@ public:
 private:
     void CreateAppletResource(Kernel::HLERequestContext& ctx);
     void ActivateXpad(Kernel::HLERequestContext& ctx);
+    void GetXpadIDs(Kernel::HLERequestContext& ctx);
     void ActivateDebugPad(Kernel::HLERequestContext& ctx);
     void ActivateTouchScreen(Kernel::HLERequestContext& ctx);
     void ActivateMouse(Kernel::HLERequestContext& ctx);