From 9c7ed0f59dd41ec0bbbfbc81678209ae60a36016 Mon Sep 17 00:00:00 2001
From: MaranBr <maranbr@outlook.com>
Date: Fri, 17 Oct 2025 22:24:38 +0200
Subject: [PATCH] [hid_core] Fix a specific case where all controllers get
 disconnected by certain games (#2759)

There's a bug in some games where all controllers get disconnected. This fixes those specific cases where controllers set to Handheld or Player 1 need to remain connected.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2759
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: MaranBr <maranbr@outlook.com>
Co-committed-by: MaranBr <maranbr@outlook.com>
---
 src/hid_core/frontend/emulated_controller.cpp | 18 ++++++++++++++----
 src/hid_core/frontend/emulated_controller.h   |  2 +-
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/src/hid_core/frontend/emulated_controller.cpp b/src/hid_core/frontend/emulated_controller.cpp
index 37a892c37f..604414c470 100644
--- a/src/hid_core/frontend/emulated_controller.cpp
+++ b/src/hid_core/frontend/emulated_controller.cpp
@@ -924,10 +924,20 @@ void EmulatedController::SetButton(const Common::Input::CallbackStatus& callback
 
     lock.unlock();
 
-    if (!is_connected && !controller_connected[player_index]) {
-        if (player.connected) {
-            Connect();
-            controller_connected[player_index] = true;
+    if (!is_connected) {
+        if (npad_type == NpadStyleIndex::Handheld) {
+            if (npad_id_type == NpadIdType::Handheld) {
+                Connect();
+                controller_connected[player_index] = true;
+            }
+        } else if (npad_type != NpadStyleIndex::Handheld) {
+            if (npad_id_type == NpadIdType::Player1) {
+                Connect();
+                controller_connected[player_index] = true;
+            } else if (player.connected && !controller_connected[player_index]) {
+                Connect();
+                controller_connected[player_index] = true;
+            }
         }
     }
 
diff --git a/src/hid_core/frontend/emulated_controller.h b/src/hid_core/frontend/emulated_controller.h
index 8e8293ff36..b8eafbae5c 100644
--- a/src/hid_core/frontend/emulated_controller.h
+++ b/src/hid_core/frontend/emulated_controller.h
@@ -589,7 +589,7 @@ private:
     std::array<VibrationValue, 2> last_vibration_value{DEFAULT_VIBRATION_VALUE,
                                                        DEFAULT_VIBRATION_VALUE};
     std::array<std::chrono::steady_clock::time_point, 2> last_vibration_timepoint{};
-    std::array<bool, HIDCore::available_controllers - 2> controller_connected{};
+    std::array<bool, HIDCore::available_controllers> controller_connected{};
 
     // Temporary values to avoid doing changes while the controller is in configuring mode
     NpadStyleIndex tmp_npad_type{NpadStyleIndex::None};