From 890df659702badf50ee9983a3dceebdff8e47ae8 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Sun, 11 Jan 2026 22:34:57 +0100
Subject: [PATCH] Add input `GamepadButtonDown` and `GamepadButtonUp` events

#3626
---
 Source/Engine/Input/Input.cpp | 15 +++++++++++++++
 Source/Engine/Input/Input.h   | 10 ++++++++++
 2 files changed, 25 insertions(+)

diff --git a/Source/Engine/Input/Input.cpp b/Source/Engine/Input/Input.cpp
index 8438977b1..7048140ef 100644
--- a/Source/Engine/Input/Input.cpp
+++ b/Source/Engine/Input/Input.cpp
@@ -80,6 +80,8 @@ Delegate<const Float2&, MouseButton> Input::MouseDoubleClick;
 Delegate<const Float2&, float> Input::MouseWheel;
 Delegate<const Float2&> Input::MouseMove;
 Action Input::MouseLeave;
+Delegate<InputGamepadIndex, GamepadButton> Input::GamepadButtonDown;
+Delegate<InputGamepadIndex, GamepadButton> Input::GamepadButtonUp;
 Delegate<const Float2&, int32> Input::TouchDown;
 Delegate<const Float2&, int32> Input::TouchMove;
 Delegate<const Float2&, int32> Input::TouchUp;
@@ -1027,6 +1029,19 @@ void InputService::Update()
             break;
         }
     }
+    // TODO: route gamepad button events into global InputEvents queue to improve processing
+    for (int32 i = 0; i < Input::Gamepads.Count(); i++)
+    {
+        auto gamepad = Input::Gamepads[i];
+        for (int32 buttonIdx = 1; buttonIdx < (int32)GamepadButton::MAX; buttonIdx++)
+        {
+            GamepadButton button = (GamepadButton)buttonIdx;
+            if (gamepad->GetButtonDown(button))
+                Input::GamepadButtonDown((InputGamepadIndex)i, button);
+            else if (gamepad->GetButtonUp(button))
+                Input::GamepadButtonUp((InputGamepadIndex)i, button);
+        }
+    }
 
     // Update all actions
     for (int32 i = 0; i < Input::ActionMappings.Count(); i++)
diff --git a/Source/Engine/Input/Input.h b/Source/Engine/Input/Input.h
index 8cc1b2106..73e87f5f0 100644
--- a/Source/Engine/Input/Input.h
+++ b/Source/Engine/Input/Input.h
@@ -113,6 +113,16 @@ public:
     /// </summary>
     API_EVENT() static Action MouseLeave;
 
+    /// <summary>
+    /// Event fired when gamepad button goes down.
+    /// </summary>
+    API_EVENT() static Delegate<InputGamepadIndex, GamepadButton> GamepadButtonDown;
+
+    /// <summary>
+    /// Event fired when gamepad button goes up.
+    /// </summary>
+    API_EVENT() static Delegate<InputGamepadIndex, GamepadButton> GamepadButtonUp;
+
     /// <summary>
     /// Event fired when touch action begins.
     /// </summary>