Add poll interval to libScePad (#1415)

src/input/controller.cpp

@@ -1,10 +1,13 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <SDL3/SDL.h>
+#include "controller.h"
+
+#include "common/assert.h"
 #include "core/libraries/kernel/time_management.h"
 #include "core/libraries/pad/pad.h"
-#include "input/controller.h"
+
+#include <SDL3/SDL.h>
 
 namespace Input {
 
@@ -157,4 +160,23 @@ void GameController::TryOpenSDLController() {
     }
 }
 
+u32 GameController::Poll() {
+    if (m_connected) {
+        auto time = Libraries::Kernel::sceKernelGetProcessTime();
+        if (m_states_num == 0) {
+            auto diff = (time - m_last_state.time) / 1000;
+            if (diff >= 100) {
+                AddState(GetLastState());
+            }
+        } else {
+            auto index = (m_first_state - 1 + m_states_num) % MAX_STATES;
+            auto diff = (time - m_states[index].time) / 1000;
+            if (m_private[index].obtained && diff >= 100) {
+                AddState(GetLastState());
+            }
+        }
+    }
+    return 100;
+}
+
 } // namespace Input

src/input/controller.h

@@ -56,6 +56,7 @@ public:
     bool SetVibration(u8 smallMotor, u8 largeMotor);
     void SetTouchpadState(int touchIndex, bool touchDown, float x, float y);
     void TryOpenSDLController();
+    u32 Poll();
 
 private:
     struct StateInternal {