diff --git a/Source/Core/Core/HW/GCPadEmu.cpp b/Source/Core/Core/HW/GCPadEmu.cpp
index 94f1605edb93..470d2b8c2f8c 100644
--- a/Source/Core/Core/HW/GCPadEmu.cpp
+++ b/Source/Core/Core/HW/GCPadEmu.cpp
@@ -36,62 +36,47 @@ static const u16 trigger_bitmasks[] = {
 static const u16 dpad_bitmasks[] = {PAD_BUTTON_UP, PAD_BUTTON_DOWN, PAD_BUTTON_LEFT,
                                     PAD_BUTTON_RIGHT};
 
-static const char* const named_buttons[] = {"A", "B", "X", "Y", "Z", "Start"};
-
-static const char* const named_triggers[] = {
-    // i18n: The left trigger button (labeled L on real controllers)
-    _trans("L"),
-    // i18n: The right trigger button (labeled R on real controllers)
-    _trans("R"),
-    // i18n: The left trigger button (labeled L on real controllers) used as an analog input
-    _trans("L-Analog"),
-    // i18n: The right trigger button (labeled R on real controllers) used as an analog input
-    _trans("R-Analog")};
-
 GCPad::GCPad(const unsigned int index) : m_index(index)
 {
   // buttons
-  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(_trans("Buttons")));
-  for (const char* named_button : named_buttons)
+  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(BUTTONS_GROUP));
+  for (const char* named_button : {A_BUTTON, B_BUTTON, X_BUTTON, Y_BUTTON, Z_BUTTON})
   {
-    const bool is_start = named_button == std::string("Start");
-    const ControllerEmu::Translatability translate =
-        is_start ? ControllerEmu::Translate : ControllerEmu::DoNotTranslate;
-    // i18n: The START/PAUSE button on GameCube controllers
-    std::string ui_name = is_start ? _trans("START") : named_button;
-    m_buttons->AddInput(translate, named_button, std::move(ui_name));
+    m_buttons->AddInput(ControllerEmu::DoNotTranslate, named_button);
   }
+  // i18n: The START/PAUSE button on GameCube controllers
+  m_buttons->AddInput(ControllerEmu::Translate, START_BUTTON, _trans("START"));
 
   // sticks
   groups.emplace_back(m_main_stick = new ControllerEmu::OctagonAnalogStick(
-                          "Main Stick", _trans("Control Stick"), MAIN_STICK_GATE_RADIUS));
+                          MAIN_STICK_GROUP, _trans("Control Stick"), MAIN_STICK_GATE_RADIUS));
   groups.emplace_back(m_c_stick = new ControllerEmu::OctagonAnalogStick(
-                          "C-Stick", _trans("C Stick"), C_STICK_GATE_RADIUS));
+                          C_STICK_GROUP, _trans("C Stick"), C_STICK_GATE_RADIUS));
 
   // triggers
-  groups.emplace_back(m_triggers = new ControllerEmu::MixedTriggers(_trans("Triggers")));
-  for (const char* named_trigger : named_triggers)
+  groups.emplace_back(m_triggers = new ControllerEmu::MixedTriggers(TRIGGERS_GROUP));
+  for (const char* named_trigger : {L_DIGITAL, R_DIGITAL, L_ANALOG, R_ANALOG})
   {
     m_triggers->AddInput(ControllerEmu::Translate, named_trigger);
   }
 
   // rumble
-  groups.emplace_back(m_rumble = new ControllerEmu::ControlGroup(_trans("Rumble")));
+  groups.emplace_back(m_rumble = new ControllerEmu::ControlGroup(RUMBLE_GROUP));
   m_rumble->AddOutput(ControllerEmu::Translate, _trans("Motor"));
 
   // Microphone
-  groups.emplace_back(m_mic = new ControllerEmu::Buttons(_trans("Microphone")));
+  groups.emplace_back(m_mic = new ControllerEmu::Buttons(MIC_GROUP));
   m_mic->AddInput(ControllerEmu::Translate, _trans("Button"));
 
   // dpad
-  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(_trans("D-Pad")));
+  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(DPAD_GROUP));
   for (const char* named_direction : named_directions)
   {
     m_dpad->AddInput(ControllerEmu::Translate, named_direction);
   }
 
   // options
-  groups.emplace_back(m_options = new ControllerEmu::ControlGroup(_trans("Options")));
+  groups.emplace_back(m_options = new ControllerEmu::ControlGroup(OPTIONS_GROUP));
   m_options->AddSetting(
       &m_always_connected_setting,
       // i18n: Treat a controller as always being connected regardless of what
diff --git a/Source/Core/Core/HW/GCPadEmu.h b/Source/Core/Core/HW/GCPadEmu.h
index 912e3f417f85..66a1aee4e496 100644
--- a/Source/Core/Core/HW/GCPadEmu.h
+++ b/Source/Core/Core/HW/GCPadEmu.h
@@ -5,6 +5,8 @@
 
 #include <string>
 
+#include "Common/Common.h"
+
 #include "InputCommon/ControllerEmu/ControlGroup/ControlGroup.h"
 #include "InputCommon/ControllerEmu/ControllerEmu.h"
 #include "InputCommon/ControllerEmu/Setting/NumericSetting.h"
@@ -49,6 +51,31 @@ class GCPad : public ControllerEmu::EmulatedController
   static constexpr ControlState MAIN_STICK_GATE_RADIUS = 0.7937125;
   static constexpr ControlState C_STICK_GATE_RADIUS = 0.7221375;
 
+  static constexpr const char* BUTTONS_GROUP = _trans("Buttons");
+  static constexpr const char* MAIN_STICK_GROUP = "Main Stick";
+  static constexpr const char* C_STICK_GROUP = "C-Stick";
+  static constexpr const char* DPAD_GROUP = _trans("D-Pad");
+  static constexpr const char* TRIGGERS_GROUP = _trans("Triggers");
+  static constexpr const char* RUMBLE_GROUP = _trans("Rumble");
+  static constexpr const char* MIC_GROUP = _trans("Microphone");
+  static constexpr const char* OPTIONS_GROUP = _trans("Options");
+
+  static constexpr const char* A_BUTTON = "A";
+  static constexpr const char* B_BUTTON = "B";
+  static constexpr const char* X_BUTTON = "X";
+  static constexpr const char* Y_BUTTON = "Y";
+  static constexpr const char* Z_BUTTON = "Z";
+  static constexpr const char* START_BUTTON = "Start";
+
+  // i18n: The left trigger button (labeled L on real controllers)
+  static constexpr const char* L_DIGITAL = _trans("L");
+  // i18n: The right trigger button (labeled R on real controllers)
+  static constexpr const char* R_DIGITAL = _trans("R");
+  // i18n: The left trigger button (labeled L on real controllers) used as an analog input
+  static constexpr const char* L_ANALOG = _trans("L-Analog");
+  // i18n: The right trigger button (labeled R on real controllers) used as an analog input
+  static constexpr const char* R_ANALOG = _trans("R-Analog");
+
 private:
   ControllerEmu::Buttons* m_buttons;
   ControllerEmu::AnalogStick* m_main_stick;
diff --git a/Source/Core/Core/HW/SI/SI_DeviceGCController.cpp b/Source/Core/Core/HW/SI/SI_DeviceGCController.cpp
index 2672f70f63ca..aad9d33cd20c 100644
--- a/Source/Core/Core/HW/SI/SI_DeviceGCController.cpp
+++ b/Source/Core/Core/HW/SI/SI_DeviceGCController.cpp
@@ -119,8 +119,6 @@ int CSIDevice_GCController::RunBuffer(u8* buffer, int request_length)
 
 void CSIDevice_GCController::HandleMoviePadStatus(int device_number, GCPadStatus* pad_status)
 {
-  Movie::CallGCInputManip(pad_status, device_number);
-
   Movie::SetPolledDevice();
   if (NetPlay_GetInput(device_number, pad_status))
   {
diff --git a/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.cpp b/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.cpp
index ba4f58fb39b2..768a1d89b461 100644
--- a/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.cpp
+++ b/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.cpp
@@ -37,34 +37,11 @@ constexpr std::array<u16, 9> classic_button_bitmasks{{
     Classic::BUTTON_HOME,
 }};
 
-constexpr std::array<std::string_view, 9> classic_button_names{{
-    "A",
-    "B",
-    "X",
-    "Y",
-    "ZL",
-    "ZR",
-    "-",
-    "+",
-    "Home",
-}};
-
 constexpr std::array<u16, 2> classic_trigger_bitmasks{{
     Classic::TRIGGER_L,
     Classic::TRIGGER_R,
 }};
 
-constexpr std::array<const char*, 4> classic_trigger_names{{
-    // i18n: The left trigger button (labeled L on real controllers)
-    _trans("L"),
-    // i18n: The right trigger button (labeled R on real controllers)
-    _trans("R"),
-    // i18n: The left trigger button (labeled L on real controllers) used as an analog input
-    _trans("L-Analog"),
-    // i18n: The right trigger button (labeled R on real controllers) used as an analog input
-    _trans("R-Analog"),
-}};
-
 constexpr std::array<u16, 4> classic_dpad_bitmasks{{
     Classic::PAD_UP,
     Classic::PAD_DOWN,
@@ -75,30 +52,30 @@ constexpr std::array<u16, 4> classic_dpad_bitmasks{{
 Classic::Classic() : Extension1stParty("Classic", _trans("Classic Controller"))
 {
   // buttons
-  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(_trans("Buttons")));
-  for (auto& button_name : classic_button_names)
+  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(BUTTONS_GROUP));
+  for (auto& button_name :
+       {A_BUTTON, B_BUTTON, X_BUTTON, Y_BUTTON, ZL_BUTTON, ZR_BUTTON, MINUS_BUTTON, PLUS_BUTTON})
   {
-    std::string_view ui_name = (button_name == "Home") ? "HOME" : button_name;
-    m_buttons->AddInput(ControllerEmu::DoNotTranslate, std::string(button_name),
-                        std::string(ui_name));
+    m_buttons->AddInput(ControllerEmu::DoNotTranslate, button_name);
   }
+  m_buttons->AddInput(ControllerEmu::DoNotTranslate, HOME_BUTTON, "HOME");
 
   // sticks
   constexpr auto gate_radius = ControlState(STICK_GATE_RADIUS) / CAL_STICK_RADIUS;
   groups.emplace_back(m_left_stick =
-                          new ControllerEmu::OctagonAnalogStick(_trans("Left Stick"), gate_radius));
-  groups.emplace_back(
-      m_right_stick = new ControllerEmu::OctagonAnalogStick(_trans("Right Stick"), gate_radius));
+                          new ControllerEmu::OctagonAnalogStick(LEFT_STICK_GROUP, gate_radius));
+  groups.emplace_back(m_right_stick =
+                          new ControllerEmu::OctagonAnalogStick(RIGHT_STICK_GROUP, gate_radius));
 
   // triggers
-  groups.emplace_back(m_triggers = new ControllerEmu::MixedTriggers(_trans("Triggers")));
-  for (const char* trigger_name : classic_trigger_names)
+  groups.emplace_back(m_triggers = new ControllerEmu::MixedTriggers(TRIGGERS_GROUP));
+  for (const char* trigger_name : {L_DIGITAL, R_DIGITAL, L_ANALOG, R_ANALOG})
   {
     m_triggers->AddInput(ControllerEmu::Translate, trigger_name);
   }
 
   // dpad
-  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(_trans("D-Pad")));
+  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(DPAD_GROUP));
   for (const char* named_direction : named_directions)
   {
     m_dpad->AddInput(ControllerEmu::Translate, named_direction);
diff --git a/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.h b/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.h
index 8944b92f7226..6d3594a205a1 100644
--- a/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.h
+++ b/Source/Core/Core/HW/WiimoteEmu/Extension/Classic.h
@@ -215,6 +215,31 @@ class Classic : public Extension1stParty
 
   static constexpr u8 TRIGGER_RANGE = 0x1F;
 
+  static constexpr const char* BUTTONS_GROUP = _trans("Buttons");
+  static constexpr const char* LEFT_STICK_GROUP = _trans("Left Stick");
+  static constexpr const char* RIGHT_STICK_GROUP = _trans("Right Stick");
+  static constexpr const char* TRIGGERS_GROUP = _trans("Triggers");
+  static constexpr const char* DPAD_GROUP = _trans("D-Pad");
+
+  static constexpr const char* A_BUTTON = "A";
+  static constexpr const char* B_BUTTON = "B";
+  static constexpr const char* X_BUTTON = "X";
+  static constexpr const char* Y_BUTTON = "Y";
+  static constexpr const char* ZL_BUTTON = "ZL";
+  static constexpr const char* ZR_BUTTON = "ZR";
+  static constexpr const char* MINUS_BUTTON = "-";
+  static constexpr const char* PLUS_BUTTON = "+";
+  static constexpr const char* HOME_BUTTON = "Home";
+
+  // i18n: The left trigger button (labeled L on real controllers)
+  static constexpr const char* L_DIGITAL = _trans("L");
+  // i18n: The right trigger button (labeled R on real controllers)
+  static constexpr const char* R_DIGITAL = _trans("R");
+  // i18n: The left trigger button (labeled L on real controllers) used as an analog input
+  static constexpr const char* L_ANALOG = _trans("L-Analog");
+  // i18n: The right trigger button (labeled R on real controllers) used as an analog input
+  static constexpr const char* R_ANALOG = _trans("R-Analog");
+
 private:
   ControllerEmu::Buttons* m_buttons;
   ControllerEmu::MixedTriggers* m_triggers;
diff --git a/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.cpp b/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.cpp
index 5e804fd0932b..9a90ba7abc64 100644
--- a/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.cpp
+++ b/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.cpp
@@ -35,14 +35,13 @@ constexpr std::array<u8, 2> nunchuk_button_bitmasks{{
 Nunchuk::Nunchuk() : Extension1stParty(_trans("Nunchuk"))
 {
   // buttons
-  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(_trans("Buttons")));
-  m_buttons->AddInput(ControllerEmu::DoNotTranslate, "C");
-  m_buttons->AddInput(ControllerEmu::DoNotTranslate, "Z");
+  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(BUTTONS_GROUP));
+  m_buttons->AddInput(ControllerEmu::DoNotTranslate, C_BUTTON);
+  m_buttons->AddInput(ControllerEmu::DoNotTranslate, Z_BUTTON);
 
   // stick
   constexpr auto gate_radius = ControlState(STICK_GATE_RADIUS) / STICK_RADIUS;
-  groups.emplace_back(m_stick =
-                          new ControllerEmu::OctagonAnalogStick(_trans("Stick"), gate_radius));
+  groups.emplace_back(m_stick = new ControllerEmu::OctagonAnalogStick(STICK_GROUP, gate_radius));
 
   // swing
   groups.emplace_back(m_swing = new ControllerEmu::Force(_trans("Swing")));
@@ -57,7 +56,7 @@ Nunchuk::Nunchuk() : Extension1stParty(_trans("Nunchuk"))
 
   // accelerometer
   groups.emplace_back(m_imu_accelerometer = new ControllerEmu::IMUAccelerometer(
-                          "IMUAccelerometer", _trans("Accelerometer")));
+                          ACCELEROMETER_GROUP, _trans("Accelerometer")));
 }
 
 void Nunchuk::Update()
diff --git a/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.h b/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.h
index c3ef1d477eb7..bdb11ffe536c 100644
--- a/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.h
+++ b/Source/Core/Core/HW/WiimoteEmu/Extension/Nunchuk.h
@@ -5,6 +5,8 @@
 
 #include <array>
 
+#include "Common/Common.h"
+
 #include "Core/HW/WiimoteCommon/WiimoteReport.h"
 #include "Core/HW/WiimoteEmu/Dynamics.h"
 #include "Core/HW/WiimoteEmu/Extension/Extension.h"
@@ -155,6 +157,8 @@ class Nunchuk : public Extension1stParty
 
   ControllerEmu::ControlGroup* GetGroup(NunchukGroup group);
 
+  void LoadDefaults(const ControllerInterface& ciface) override;
+
   static constexpr u8 BUTTON_C = 0x02;
   static constexpr u8 BUTTON_Z = 0x01;
 
@@ -167,7 +171,12 @@ class Nunchuk : public Extension1stParty
   static constexpr u8 STICK_RADIUS = 0x7F;
   static constexpr u8 STICK_RANGE = 0xFF;
 
-  void LoadDefaults(const ControllerInterface& ciface) override;
+  static constexpr const char* BUTTONS_GROUP = _trans("Buttons");
+  static constexpr const char* STICK_GROUP = _trans("Stick");
+  static constexpr const char* ACCELEROMETER_GROUP = "IMUAccelerometer";
+
+  static constexpr const char* C_BUTTON = "C";
+  static constexpr const char* Z_BUTTON = "Z";
 
 private:
   ControllerEmu::Tilt* m_tilt;
diff --git a/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp b/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp
index dc54b9ed6db8..2fecf6f3ebb1 100644
--- a/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp
+++ b/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp
@@ -11,6 +11,7 @@
 #include <fmt/format.h>
 
 #include "Common/Assert.h"
+#include "Common/Common.h"
 #include "Common/CommonTypes.h"
 #include "Common/Config/Config.h"
 #include "Common/FileUtil.h"
@@ -63,10 +64,6 @@ static const u16 dpad_bitmasks[] = {Wiimote::PAD_UP, Wiimote::PAD_DOWN, Wiimote:
 static const u16 dpad_sideways_bitmasks[] = {Wiimote::PAD_RIGHT, Wiimote::PAD_LEFT, Wiimote::PAD_UP,
                                              Wiimote::PAD_DOWN};
 
-constexpr std::array<std::string_view, 7> named_buttons{
-    "A", "B", "1", "2", "-", "+", "Home",
-};
-
 void Wiimote::Reset()
 {
   SetRumble(false);
@@ -197,24 +194,23 @@ void Wiimote::Reset()
 Wiimote::Wiimote(const unsigned int index) : m_index(index)
 {
   // Buttons
-  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(_trans("Buttons")));
-  for (auto& named_button : named_buttons)
+  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(BUTTONS_GROUP));
+  for (auto& named_button : {A_BUTTON, B_BUTTON, ONE_BUTTON, TWO_BUTTON, MINUS_BUTTON, PLUS_BUTTON})
   {
-    std::string_view ui_name = (named_button == "Home") ? "HOME" : named_button;
-    m_buttons->AddInput(ControllerEmu::DoNotTranslate, std::string(named_button),
-                        std::string(ui_name));
+    m_buttons->AddInput(ControllerEmu::DoNotTranslate, named_button);
   }
+  m_buttons->AddInput(ControllerEmu::DoNotTranslate, HOME_BUTTON, "HOME");
 
   // Pointing (IR)
   // i18n: "Point" refers to the action of pointing a Wii Remote.
-  groups.emplace_back(m_ir = new ControllerEmu::Cursor("IR", _trans("Point")));
+  groups.emplace_back(m_ir = new ControllerEmu::Cursor(IR_GROUP, _trans("Point")));
   groups.emplace_back(m_swing = new ControllerEmu::Force(_trans("Swing")));
   groups.emplace_back(m_tilt = new ControllerEmu::Tilt(_trans("Tilt")));
   groups.emplace_back(m_shake = new ControllerEmu::Shake(_trans("Shake")));
   groups.emplace_back(m_imu_accelerometer = new ControllerEmu::IMUAccelerometer(
-                          "IMUAccelerometer", _trans("Accelerometer")));
+                          ACCELEROMETER_GROUP, _trans("Accelerometer")));
   groups.emplace_back(m_imu_gyroscope =
-                          new ControllerEmu::IMUGyroscope("IMUGyroscope", _trans("Gyroscope")));
+                          new ControllerEmu::IMUGyroscope(GYROSCOPE_GROUP, _trans("Gyroscope")));
   groups.emplace_back(m_imu_ir = new ControllerEmu::IMUCursor("IMUIR", _trans("Point")));
 
   const auto fov_default =
@@ -258,7 +254,7 @@ Wiimote::Wiimote(const unsigned int index) : m_index(index)
   m_rumble->AddOutput(ControllerEmu::Translate, _trans("Motor"));
 
   // D-Pad
-  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(_trans("D-Pad")));
+  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(DPAD_GROUP));
   for (const char* named_direction : named_directions)
   {
     m_dpad->AddInput(ControllerEmu::Translate, named_direction);
diff --git a/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.h b/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.h
index 9234fec70d98..0823ff3d179c 100644
--- a/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.h
+++ b/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.h
@@ -8,6 +8,8 @@
 #include <optional>
 #include <string>
 
+#include "Common/Common.h"
+
 #include "Core/HW/WiimoteCommon/WiimoteReport.h"
 
 #include "Core/HW/WiimoteEmu/Camera.h"
@@ -110,6 +112,20 @@ class Wiimote : public ControllerEmu::EmulatedController, public WiimoteCommon::
   static constexpr u16 BUTTON_MINUS = 0x1000;
   static constexpr u16 BUTTON_HOME = 0x8000;
 
+  static constexpr const char* BUTTONS_GROUP = _trans("Buttons");
+  static constexpr const char* DPAD_GROUP = _trans("D-Pad");
+  static constexpr const char* ACCELEROMETER_GROUP = "IMUAccelerometer";
+  static constexpr const char* GYROSCOPE_GROUP = "IMUGyroscope";
+  static constexpr const char* IR_GROUP = "IR";
+
+  static constexpr const char* A_BUTTON = "A";
+  static constexpr const char* B_BUTTON = "B";
+  static constexpr const char* ONE_BUTTON = "1";
+  static constexpr const char* TWO_BUTTON = "2";
+  static constexpr const char* MINUS_BUTTON = "-";
+  static constexpr const char* PLUS_BUTTON = "+";
+  static constexpr const char* HOME_BUTTON = "Home";
+
   explicit Wiimote(unsigned int index);
   ~Wiimote();
 
diff --git a/Source/Core/Core/Movie.cpp b/Source/Core/Core/Movie.cpp
index f988fc7e6582..eb432bd92665 100644
--- a/Source/Core/Core/Movie.cpp
+++ b/Source/Core/Core/Movie.cpp
@@ -122,9 +122,6 @@ static bool s_bPolled = false;
 static std::mutex s_input_display_lock;
 static std::string s_InputDisplay[8];
 
-static GCManipFunction s_gc_manip_func;
-static WiiManipFunction s_wii_manip_func;
-
 static std::string s_current_file_name;
 
 static void GetSettings();
@@ -1426,28 +1423,6 @@ void SaveRecording(const std::string& filename)
     Core::DisplayMessage(fmt::format("Failed to save {}", filename), 2000);
 }
 
-void SetGCInputManip(GCManipFunction func)
-{
-  s_gc_manip_func = std::move(func);
-}
-void SetWiiInputManip(WiiManipFunction func)
-{
-  s_wii_manip_func = std::move(func);
-}
-
-// NOTE: CPU Thread
-void CallGCInputManip(GCPadStatus* PadStatus, int controllerID)
-{
-  if (s_gc_manip_func)
-    s_gc_manip_func(PadStatus, controllerID);
-}
-// NOTE: CPU Thread
-void CallWiiInputManip(DataReportBuilder& rpt, int controllerID, int ext, const EncryptionKey& key)
-{
-  if (s_wii_manip_func)
-    s_wii_manip_func(rpt, controllerID, ext, key);
-}
-
 // NOTE: GPU Thread
 void SetGraphicsConfig()
 {
diff --git a/Source/Core/Core/Movie.h b/Source/Core/Core/Movie.h
index 25747cd8a26d..e5cc13f2bfa0 100644
--- a/Source/Core/Core/Movie.h
+++ b/Source/Core/Core/Movie.h
@@ -5,7 +5,6 @@
 
 #include <array>
 #include <cstring>
-#include <functional>
 #include <optional>
 #include <string>
 #include <string_view>
@@ -200,14 +199,4 @@ std::string GetInputDisplay();
 std::string GetRTCDisplay();
 std::string GetRerecords();
 
-// Done this way to avoid mixing of core and gui code
-using GCManipFunction = std::function<void(GCPadStatus*, int)>;
-using WiiManipFunction = std::function<void(WiimoteCommon::DataReportBuilder&, int, int,
-                                            const WiimoteEmu::EncryptionKey&)>;
-
-void SetGCInputManip(GCManipFunction);
-void SetWiiInputManip(WiiManipFunction);
-void CallGCInputManip(GCPadStatus* PadStatus, int controllerID);
-void CallWiiInputManip(WiimoteCommon::DataReportBuilder& rpt, int controllerID, int ext,
-                       const WiimoteEmu::EncryptionKey& key);
 }  // namespace Movie
diff --git a/Source/Core/DolphinQt/MainWindow.cpp b/Source/Core/DolphinQt/MainWindow.cpp
index 0e833a7d2cc0..5ecef8586c4a 100644
--- a/Source/Core/DolphinQt/MainWindow.cpp
+++ b/Source/Core/DolphinQt/MainWindow.cpp
@@ -405,15 +405,6 @@ void MainWindow::CreateComponents()
     m_wii_tas_input_windows[i] = new WiiTASInputWindow(nullptr, i);
   }
 
-  Movie::SetGCInputManip([this](GCPadStatus* pad_status, int controller_id) {
-    m_gc_tas_input_windows[controller_id]->GetValues(pad_status);
-  });
-
-  Movie::SetWiiInputManip([this](WiimoteCommon::DataReportBuilder& rpt, int controller_id, int ext,
-                                 const WiimoteEmu::EncryptionKey& key) {
-    m_wii_tas_input_windows[controller_id]->GetValues(rpt, ext, key);
-  });
-
   m_jit_widget = new JITWidget(this);
   m_log_widget = new LogWidget(this);
   m_log_config_widget = new LogConfigWidget(this);
diff --git a/Source/Core/DolphinQt/TAS/GCTASInputWindow.cpp b/Source/Core/DolphinQt/TAS/GCTASInputWindow.cpp
index cd618f196fef..68075185d228 100644
--- a/Source/Core/DolphinQt/TAS/GCTASInputWindow.cpp
+++ b/Source/Core/DolphinQt/TAS/GCTASInputWindow.cpp
@@ -13,18 +13,25 @@
 
 #include "Common/CommonTypes.h"
 
+#include "Core/HW/GCPad.h"
+#include "Core/HW/GCPadEmu.h"
+
 #include "DolphinQt/TAS/TASCheckBox.h"
 
-#include "InputCommon/GCPadStatus.h"
+#include "InputCommon/ControllerEmu/ControllerEmu.h"
+#include "InputCommon/InputConfig.h"
 
-GCTASInputWindow::GCTASInputWindow(QWidget* parent, int num) : TASInputWindow(parent)
+GCTASInputWindow::GCTASInputWindow(QWidget* parent, int controller_id)
+    : TASInputWindow(parent), m_controller_id(controller_id)
 {
-  setWindowTitle(tr("GameCube TAS Input %1").arg(num + 1));
+  setWindowTitle(tr("GameCube TAS Input %1").arg(controller_id + 1));
 
-  m_main_stick_box = CreateStickInputs(tr("Main Stick"), m_x_main_stick_value, m_y_main_stick_value,
-                                       255, 255, Qt::Key_F, Qt::Key_G);
-  m_c_stick_box = CreateStickInputs(tr("C Stick"), m_x_c_stick_value, m_y_c_stick_value, 255, 255,
-                                    Qt::Key_H, Qt::Key_J);
+  m_main_stick_box = CreateStickInputs(tr("Main Stick"), GCPad::MAIN_STICK_GROUP, &m_overrider,
+                                       m_x_main_stick_value, m_y_main_stick_value, 1, 1, 255, 255,
+                                       Qt::Key_F, Qt::Key_G);
+  m_c_stick_box =
+      CreateStickInputs(tr("C Stick"), GCPad::C_STICK_GROUP, &m_overrider, m_x_c_stick_value,
+                        m_y_c_stick_value, 1, 1, 255, 255, Qt::Key_H, Qt::Key_J);
 
   auto* top_layout = new QHBoxLayout;
   top_layout->addWidget(m_main_stick_box);
@@ -33,27 +40,43 @@ GCTASInputWindow::GCTASInputWindow(QWidget* parent, int num) : TASInputWindow(pa
   m_triggers_box = new QGroupBox(tr("Triggers"));
 
   auto* l_trigger_layout =
-      CreateSliderValuePairLayout(tr("Left"), m_l_trigger_value, 0, 255, Qt::Key_N, m_triggers_box);
-  auto* r_trigger_layout = CreateSliderValuePairLayout(tr("Right"), m_r_trigger_value, 0, 255,
-                                                       Qt::Key_M, m_triggers_box);
+      CreateSliderValuePairLayout(tr("Left"), GCPad::TRIGGERS_GROUP, GCPad::L_ANALOG, &m_overrider,
+                                  m_l_trigger_value, 0, 0, 0, 255, Qt::Key_N, m_triggers_box);
+
+  auto* r_trigger_layout =
+      CreateSliderValuePairLayout(tr("Right"), GCPad::TRIGGERS_GROUP, GCPad::R_ANALOG, &m_overrider,
+                                  m_r_trigger_value, 0, 0, 0, 255, Qt::Key_M, m_triggers_box);
 
   auto* triggers_layout = new QVBoxLayout;
   triggers_layout->addLayout(l_trigger_layout);
   triggers_layout->addLayout(r_trigger_layout);
   m_triggers_box->setLayout(triggers_layout);
 
-  m_a_button = CreateButton(QStringLiteral("&A"));
-  m_b_button = CreateButton(QStringLiteral("&B"));
-  m_x_button = CreateButton(QStringLiteral("&X"));
-  m_y_button = CreateButton(QStringLiteral("&Y"));
-  m_z_button = CreateButton(QStringLiteral("&Z"));
-  m_l_button = CreateButton(QStringLiteral("&L"));
-  m_r_button = CreateButton(QStringLiteral("&R"));
-  m_start_button = CreateButton(QStringLiteral("&START"));
-  m_left_button = CreateButton(QStringLiteral("L&eft"));
-  m_up_button = CreateButton(QStringLiteral("&Up"));
-  m_down_button = CreateButton(QStringLiteral("&Down"));
-  m_right_button = CreateButton(QStringLiteral("R&ight"));
+  m_a_button =
+      CreateButton(QStringLiteral("&A"), GCPad::BUTTONS_GROUP, GCPad::A_BUTTON, &m_overrider);
+  m_b_button =
+      CreateButton(QStringLiteral("&B"), GCPad::BUTTONS_GROUP, GCPad::B_BUTTON, &m_overrider);
+  m_x_button =
+      CreateButton(QStringLiteral("&X"), GCPad::BUTTONS_GROUP, GCPad::X_BUTTON, &m_overrider);
+  m_y_button =
+      CreateButton(QStringLiteral("&Y"), GCPad::BUTTONS_GROUP, GCPad::Y_BUTTON, &m_overrider);
+  m_z_button =
+      CreateButton(QStringLiteral("&Z"), GCPad::BUTTONS_GROUP, GCPad::Z_BUTTON, &m_overrider);
+  m_start_button = CreateButton(QStringLiteral("&START"), GCPad::BUTTONS_GROUP, GCPad::START_BUTTON,
+                                &m_overrider);
+
+  m_l_button =
+      CreateButton(QStringLiteral("&L"), GCPad::TRIGGERS_GROUP, GCPad::L_DIGITAL, &m_overrider);
+  m_r_button =
+      CreateButton(QStringLiteral("&R"), GCPad::TRIGGERS_GROUP, GCPad::R_DIGITAL, &m_overrider);
+
+  m_left_button =
+      CreateButton(QStringLiteral("L&eft"), GCPad::DPAD_GROUP, DIRECTION_LEFT, &m_overrider);
+  m_up_button = CreateButton(QStringLiteral("&Up"), GCPad::DPAD_GROUP, DIRECTION_UP, &m_overrider);
+  m_down_button =
+      CreateButton(QStringLiteral("&Down"), GCPad::DPAD_GROUP, DIRECTION_DOWN, &m_overrider);
+  m_right_button =
+      CreateButton(QStringLiteral("R&ight"), GCPad::DPAD_GROUP, DIRECTION_RIGHT, &m_overrider);
 
   auto* buttons_layout = new QGridLayout;
   buttons_layout->addWidget(m_a_button, 0, 0);
@@ -84,40 +107,14 @@ GCTASInputWindow::GCTASInputWindow(QWidget* parent, int num) : TASInputWindow(pa
   setLayout(layout);
 }
 
-void GCTASInputWindow::GetValues(GCPadStatus* pad)
+void GCTASInputWindow::hideEvent(QHideEvent* event)
+{
+  Pad::GetConfig()->GetController(m_controller_id)->ClearInputOverrideFunction();
+}
+
+void GCTASInputWindow::showEvent(QShowEvent* event)
 {
-  if (!isVisible())
-    return;
-
-  GetButton<u16>(m_a_button, pad->button, PAD_BUTTON_A);
-  GetButton<u16>(m_b_button, pad->button, PAD_BUTTON_B);
-  GetButton<u16>(m_x_button, pad->button, PAD_BUTTON_X);
-  GetButton<u16>(m_y_button, pad->button, PAD_BUTTON_Y);
-  GetButton<u16>(m_z_button, pad->button, PAD_TRIGGER_Z);
-  GetButton<u16>(m_l_button, pad->button, PAD_TRIGGER_L);
-  GetButton<u16>(m_r_button, pad->button, PAD_TRIGGER_R);
-  GetButton<u16>(m_left_button, pad->button, PAD_BUTTON_LEFT);
-  GetButton<u16>(m_up_button, pad->button, PAD_BUTTON_UP);
-  GetButton<u16>(m_down_button, pad->button, PAD_BUTTON_DOWN);
-  GetButton<u16>(m_right_button, pad->button, PAD_BUTTON_RIGHT);
-  GetButton<u16>(m_start_button, pad->button, PAD_BUTTON_START);
-
-  if (m_a_button->isChecked())
-    pad->analogA = 0xFF;
-  else
-    pad->analogA = 0x00;
-
-  if (m_b_button->isChecked())
-    pad->analogB = 0xFF;
-  else
-    pad->analogB = 0x00;
-
-  GetSpinBoxU8(m_l_trigger_value, pad->triggerLeft);
-  GetSpinBoxU8(m_r_trigger_value, pad->triggerRight);
-
-  GetSpinBoxU8(m_x_main_stick_value, pad->stickX);
-  GetSpinBoxU8(m_y_main_stick_value, pad->stickY);
-
-  GetSpinBoxU8(m_x_c_stick_value, pad->substickX);
-  GetSpinBoxU8(m_y_c_stick_value, pad->substickY);
+  Pad::GetConfig()
+      ->GetController(m_controller_id)
+      ->SetInputOverrideFunction(m_overrider.GetInputOverrideFunction());
 }
diff --git a/Source/Core/DolphinQt/TAS/GCTASInputWindow.h b/Source/Core/DolphinQt/TAS/GCTASInputWindow.h
index ab7e70800393..00830c0f5270 100644
--- a/Source/Core/DolphinQt/TAS/GCTASInputWindow.h
+++ b/Source/Core/DolphinQt/TAS/GCTASInputWindow.h
@@ -6,18 +6,25 @@
 #include "DolphinQt/TAS/TASInputWindow.h"
 
 class QGroupBox;
+class QHideEvent;
+class QShowEvent;
 class QSpinBox;
 class TASCheckBox;
-struct GCPadStatus;
 
 class GCTASInputWindow : public TASInputWindow
 {
   Q_OBJECT
 public:
-  explicit GCTASInputWindow(QWidget* parent, int num);
-  void GetValues(GCPadStatus* pad);
+  explicit GCTASInputWindow(QWidget* parent, int controller_id);
+
+  void hideEvent(QHideEvent* event) override;
+  void showEvent(QShowEvent* event) override;
 
 private:
+  int m_controller_id;
+
+  InputOverrider m_overrider;
+
   TASCheckBox* m_a_button;
   TASCheckBox* m_b_button;
   TASCheckBox* m_x_button;
diff --git a/Source/Core/DolphinQt/TAS/IRWidget.cpp b/Source/Core/DolphinQt/TAS/IRWidget.cpp
index 992c10c90eba..7bab30186b99 100644
--- a/Source/Core/DolphinQt/TAS/IRWidget.cpp
+++ b/Source/Core/DolphinQt/TAS/IRWidget.cpp
@@ -54,8 +54,8 @@ void IRWidget::paintEvent(QPaintEvent* event)
   painter.drawLine(PADDING + w / 2, PADDING, PADDING + w / 2, PADDING + h);
 
   // convert from value space to widget space
-  u16 x = PADDING + (w - (m_x * w) / ir_max_x);
-  u16 y = PADDING + ((m_y * h) / ir_max_y);
+  u16 x = PADDING + ((m_x * w) / ir_max_x);
+  u16 y = PADDING + (h - (m_y * h) / ir_max_y);
 
   painter.drawLine(PADDING + w / 2, PADDING + h / 2, x, y);
 
@@ -87,8 +87,8 @@ void IRWidget::handleMouseEvent(QMouseEvent* event)
   else
   {
     // convert from widget space to value space
-    int new_x = ir_max_x - (event->pos().x() * ir_max_x) / width();
-    int new_y = (event->pos().y() * ir_max_y) / height();
+    int new_x = (event->pos().x() * ir_max_x) / width();
+    int new_y = ir_max_y - (event->pos().y() * ir_max_y) / height();
 
     m_x = std::max(0, std::min(static_cast<int>(ir_max_x), new_x));
     m_y = std::max(0, std::min(static_cast<int>(ir_max_y), new_y));
diff --git a/Source/Core/DolphinQt/TAS/IRWidget.h b/Source/Core/DolphinQt/TAS/IRWidget.h
index b47954540339..b5681d852fc3 100644
--- a/Source/Core/DolphinQt/TAS/IRWidget.h
+++ b/Source/Core/DolphinQt/TAS/IRWidget.h
@@ -34,5 +34,7 @@ public slots:
 };
 
 // Should be part of class but fails to compile on mac os
+static const u16 ir_min_x = 0;
+static const u16 ir_min_y = 0;
 static const u16 ir_max_x = 1023;
 static const u16 ir_max_y = 767;
diff --git a/Source/Core/DolphinQt/TAS/TASInputWindow.cpp b/Source/Core/DolphinQt/TAS/TASInputWindow.cpp
index 771b1402fc47..0054043a8ea3 100644
--- a/Source/Core/DolphinQt/TAS/TASInputWindow.cpp
+++ b/Source/Core/DolphinQt/TAS/TASInputWindow.cpp
@@ -4,6 +4,7 @@
 #include "DolphinQt/TAS/TASInputWindow.h"
 
 #include <cmath>
+#include <utility>
 
 #include <QCheckBox>
 #include <QGroupBox>
@@ -23,7 +24,23 @@
 #include "DolphinQt/TAS/TASCheckBox.h"
 #include "DolphinQt/TAS/TASSlider.h"
 
-#include "InputCommon/GCPadStatus.h"
+#include "InputCommon/ControllerEmu/ControllerEmu.h"
+#include "InputCommon/ControllerEmu/StickGate.h"
+
+void InputOverrider::AddFunction(std::string_view group_name, std::string_view control_name,
+                                 OverrideFunction function)
+{
+  m_functions.emplace(std::make_pair(group_name, control_name), std::move(function));
+}
+
+ControllerEmu::InputOverrideFunction InputOverrider::GetInputOverrideFunction() const
+{
+  return [this](std::string_view group_name, std::string_view control_name,
+                ControlState controller_state) {
+    const auto it = m_functions.find(std::make_pair(group_name, control_name));
+    return it != m_functions.end() ? it->second(controller_state) : std::nullopt;
+  };
+}
 
 TASInputWindow::TASInputWindow(QWidget* parent) : QDialog(parent)
 {
@@ -63,13 +80,22 @@ int TASInputWindow::GetTurboReleaseFrames() const
   return m_turbo_release_frames->value();
 }
 
-TASCheckBox* TASInputWindow::CreateButton(const QString& name)
+TASCheckBox* TASInputWindow::CreateButton(const QString& text, std::string_view group_name,
+                                          std::string_view control_name, InputOverrider* overrider)
 {
-  return new TASCheckBox(name, this);
+  TASCheckBox* checkbox = new TASCheckBox(text, this);
+
+  overrider->AddFunction(group_name, control_name, [this, checkbox](ControlState controller_state) {
+    return GetButton(checkbox, controller_state);
+  });
+
+  return checkbox;
 }
 
-QGroupBox* TASInputWindow::CreateStickInputs(QString name, QSpinBox*& x_value, QSpinBox*& y_value,
-                                             u16 max_x, u16 max_y, Qt::Key x_shortcut_key,
+QGroupBox* TASInputWindow::CreateStickInputs(const QString& text, std::string_view group_name,
+                                             InputOverrider* overrider, QSpinBox*& x_value,
+                                             QSpinBox*& y_value, u16 min_x, u16 min_y, u16 max_x,
+                                             u16 max_y, Qt::Key x_shortcut_key,
                                              Qt::Key y_shortcut_key)
 {
   const QKeySequence x_shortcut_key_sequence = QKeySequence(Qt::ALT | x_shortcut_key);
@@ -77,7 +103,7 @@ QGroupBox* TASInputWindow::CreateStickInputs(QString name, QSpinBox*& x_value, Q
 
   auto* box =
       new QGroupBox(QStringLiteral("%1 (%2/%3)")
-                        .arg(name, x_shortcut_key_sequence.toString(QKeySequence::NativeText),
+                        .arg(text, x_shortcut_key_sequence.toString(QKeySequence::NativeText),
                              y_shortcut_key_sequence.toString(QKeySequence::NativeText)));
 
   const int x_default = static_cast<int>(std::round(max_x / 2.));
@@ -112,33 +138,72 @@ QGroupBox* TASInputWindow::CreateStickInputs(QString name, QSpinBox*& x_value, Q
   layout->addLayout(visual_layout);
   box->setLayout(layout);
 
+  overrider->AddFunction(group_name, ControllerEmu::ReshapableInput::X_INPUT_OVERRIDE,
+                         [this, x_value, x_default, min_x, max_x](ControlState controller_state) {
+                           return GetSpinBox(x_value, x_default, min_x, max_x, controller_state);
+                         });
+
+  overrider->AddFunction(group_name, ControllerEmu::ReshapableInput::Y_INPUT_OVERRIDE,
+                         [this, y_value, y_default, min_y, max_y](ControlState controller_state) {
+                           return GetSpinBox(y_value, y_default, min_y, max_y, controller_state);
+                         });
+
   return box;
 }
 
-QBoxLayout* TASInputWindow::CreateSliderValuePairLayout(QString name, QSpinBox*& value,
-                                                        int default_, u16 max, Qt::Key shortcut_key,
-                                                        QWidget* shortcut_widget, bool invert)
+QBoxLayout* TASInputWindow::CreateSliderValuePairLayout(
+    const QString& text, std::string_view group_name, std::string_view control_name,
+    InputOverrider* overrider, QSpinBox*& value, u16 zero, int default_, u16 min, u16 max,
+    Qt::Key shortcut_key, QWidget* shortcut_widget, std::optional<ControlState> scale)
 {
   const QKeySequence shortcut_key_sequence = QKeySequence(Qt::ALT | shortcut_key);
 
   auto* label = new QLabel(QStringLiteral("%1 (%2)").arg(
-      name, shortcut_key_sequence.toString(QKeySequence::NativeText)));
+      text, shortcut_key_sequence.toString(QKeySequence::NativeText)));
 
   QBoxLayout* layout = new QHBoxLayout;
   layout->addWidget(label);
 
-  value = CreateSliderValuePair(layout, default_, max, shortcut_key_sequence, Qt::Horizontal,
-                                shortcut_widget, invert);
+  value = CreateSliderValuePair(group_name, control_name, overrider, layout, zero, default_, min,
+                                max, shortcut_key_sequence, Qt::Horizontal, shortcut_widget, scale);
 
   return layout;
 }
 
+QSpinBox* TASInputWindow::CreateSliderValuePair(
+    std::string_view group_name, std::string_view control_name, InputOverrider* overrider,
+    QBoxLayout* layout, u16 zero, int default_, u16 min, u16 max,
+    QKeySequence shortcut_key_sequence, Qt::Orientation orientation, QWidget* shortcut_widget,
+    std::optional<ControlState> scale)
+{
+  QSpinBox* value = CreateSliderValuePair(layout, default_, max, shortcut_key_sequence, orientation,
+                                          shortcut_widget);
+
+  InputOverrider::OverrideFunction func;
+  if (scale)
+  {
+    func = [this, value, zero, scale](ControlState controller_state) {
+      return GetSpinBox(value, zero, controller_state, *scale);
+    };
+  }
+  else
+  {
+    func = [this, value, zero, min, max](ControlState controller_state) {
+      return GetSpinBox(value, zero, min, max, controller_state);
+    };
+  }
+
+  overrider->AddFunction(group_name, control_name, std::move(func));
+
+  return value;
+}
+
 // The shortcut_widget argument needs to specify the container widget that will be hidden/shown.
 // This is done to avoid ambigous shortcuts
 QSpinBox* TASInputWindow::CreateSliderValuePair(QBoxLayout* layout, int default_, u16 max,
                                                 QKeySequence shortcut_key_sequence,
                                                 Qt::Orientation orientation,
-                                                QWidget* shortcut_widget, bool invert)
+                                                QWidget* shortcut_widget)
 {
   auto* value = new QSpinBox();
   value->setRange(0, 99999);
@@ -151,7 +216,6 @@ QSpinBox* TASInputWindow::CreateSliderValuePair(QBoxLayout* layout, int default_
   slider->setRange(0, max);
   slider->setValue(default_);
   slider->setFocusPolicy(Qt::ClickFocus);
-  slider->setInvertedAppearance(invert);
 
   connect(slider, &QSlider::valueChanged, value, &QSpinBox::setValue);
   connect(value, qOverload<int>(&QSpinBox::valueChanged), slider, &QSlider::setValue);
@@ -170,10 +234,10 @@ QSpinBox* TASInputWindow::CreateSliderValuePair(QBoxLayout* layout, int default_
   return value;
 }
 
-template <typename UX>
-void TASInputWindow::GetButton(TASCheckBox* checkbox, UX& buttons, UX mask)
+std::optional<ControlState> TASInputWindow::GetButton(TASCheckBox* checkbox,
+                                                      ControlState controller_state)
 {
-  const bool pressed = (buttons & mask) != 0;
+  const bool pressed = std::llround(controller_state) > 0;
   if (m_use_controller->isChecked())
   {
     if (pressed)
@@ -188,50 +252,54 @@ void TASInputWindow::GetButton(TASCheckBox* checkbox, UX& buttons, UX mask)
     }
   }
 
-  if (checkbox->GetValue())
-    buttons |= mask;
-  else
-    buttons &= ~mask;
+  return checkbox->GetValue() ? 1.0 : 0.0;
 }
-template void TASInputWindow::GetButton<u8>(TASCheckBox* button, u8& pad, u8 mask);
-template void TASInputWindow::GetButton<u16>(TASCheckBox* button, u16& pad, u16 mask);
 
-void TASInputWindow::GetSpinBoxU8(QSpinBox* spin, u8& controller_value)
+std::optional<ControlState> TASInputWindow::GetSpinBox(QSpinBox* spin, u16 zero, u16 min, u16 max,
+                                                       ControlState controller_state)
 {
+  const u16 controller_value =
+      ControllerEmu::EmulatedController::MapFloat<u16>(controller_state, zero, 0, max);
+
   if (m_use_controller->isChecked())
   {
-    if (!m_spinbox_most_recent_values_u8.count(spin) ||
-        m_spinbox_most_recent_values_u8[spin] != controller_value)
+    if (!m_spinbox_most_recent_values.count(spin) ||
+        m_spinbox_most_recent_values[spin] != controller_value)
     {
       QueueOnObjectBlocking(spin, [spin, controller_value] { spin->setValue(controller_value); });
     }
 
-    m_spinbox_most_recent_values_u8[spin] = controller_value;
+    m_spinbox_most_recent_values[spin] = controller_value;
   }
   else
   {
-    m_spinbox_most_recent_values_u8.clear();
+    m_spinbox_most_recent_values.clear();
   }
 
-  controller_value = spin->value();
+  return ControllerEmu::EmulatedController::MapToFloat<ControlState, u16>(spin->value(), zero, min,
+                                                                          max);
 }
 
-void TASInputWindow::GetSpinBoxU16(QSpinBox* spin, u16& controller_value)
+std::optional<ControlState> TASInputWindow::GetSpinBox(QSpinBox* spin, u16 zero,
+                                                       ControlState controller_state,
+                                                       ControlState scale)
 {
+  const u16 controller_value = static_cast<u16>(std::llround(controller_state * scale + zero));
+
   if (m_use_controller->isChecked())
   {
-    if (!m_spinbox_most_recent_values_u16.count(spin) ||
-        m_spinbox_most_recent_values_u16[spin] != controller_value)
+    if (!m_spinbox_most_recent_values.count(spin) ||
+        m_spinbox_most_recent_values[spin] != controller_value)
     {
       QueueOnObjectBlocking(spin, [spin, controller_value] { spin->setValue(controller_value); });
     }
 
-    m_spinbox_most_recent_values_u16[spin] = controller_value;
+    m_spinbox_most_recent_values[spin] = controller_value;
   }
   else
   {
-    m_spinbox_most_recent_values_u16.clear();
+    m_spinbox_most_recent_values.clear();
   }
 
-  controller_value = spin->value();
+  return (spin->value() - zero) / scale;
 }
diff --git a/Source/Core/DolphinQt/TAS/TASInputWindow.h b/Source/Core/DolphinQt/TAS/TASInputWindow.h
index 26d6e48a00c8..e1f56e023596 100644
--- a/Source/Core/DolphinQt/TAS/TASInputWindow.h
+++ b/Source/Core/DolphinQt/TAS/TASInputWindow.h
@@ -3,11 +3,18 @@
 
 #pragma once
 
+#include <map>
+#include <optional>
+#include <string_view>
+#include <utility>
+
 #include <QDialog>
 
 #include "Common/CommonTypes.h"
 
-struct GCPadStatus;
+#include "InputCommon/ControllerEmu/ControlGroup/ControlGroup.h"
+#include "InputCommon/ControllerInterface/CoreDevice.h"
+
 class QBoxLayout;
 class QCheckBox;
 class QDialog;
@@ -16,6 +23,20 @@ class QSpinBox;
 class QString;
 class TASCheckBox;
 
+class InputOverrider final
+{
+public:
+  using OverrideFunction = std::function<std::optional<ControlState>(ControlState)>;
+
+  void AddFunction(std::string_view group_name, std::string_view control_name,
+                   OverrideFunction function);
+
+  ControllerEmu::InputOverrideFunction GetInputOverrideFunction() const;
+
+private:
+  std::map<std::pair<std::string_view, std::string_view>, OverrideFunction> m_functions;
+};
+
 class TASInputWindow : public QDialog
 {
   Q_OBJECT
@@ -26,19 +47,25 @@ class TASInputWindow : public QDialog
   int GetTurboReleaseFrames() const;
 
 protected:
-  TASCheckBox* CreateButton(const QString& name);
-  QGroupBox* CreateStickInputs(QString name, QSpinBox*& x_value, QSpinBox*& y_value, u16 max_x,
-                               u16 max_y, Qt::Key x_shortcut_key, Qt::Key y_shortcut_key);
-  QBoxLayout* CreateSliderValuePairLayout(QString name, QSpinBox*& value, int default_, u16 max,
-                                          Qt::Key shortcut_key, QWidget* shortcut_widget,
-                                          bool invert = false);
+  TASCheckBox* CreateButton(const QString& text, std::string_view group_name,
+                            std::string_view control_name, InputOverrider* overrider);
+  QGroupBox* CreateStickInputs(const QString& text, std::string_view group_name,
+                               InputOverrider* overrider, QSpinBox*& x_value, QSpinBox*& y_value,
+                               u16 min_x, u16 min_y, u16 max_x, u16 max_y, Qt::Key x_shortcut_key,
+                               Qt::Key y_shortcut_key);
+  QBoxLayout* CreateSliderValuePairLayout(const QString& text, std::string_view group_name,
+                                          std::string_view control_name, InputOverrider* overrider,
+                                          QSpinBox*& value, u16 zero, int default_, u16 min,
+                                          u16 max, Qt::Key shortcut_key, QWidget* shortcut_widget,
+                                          std::optional<ControlState> scale = {});
+  QSpinBox* CreateSliderValuePair(std::string_view group_name, std::string_view control_name,
+                                  InputOverrider* overrider, QBoxLayout* layout, u16 zero,
+                                  int default_, u16 min, u16 max,
+                                  QKeySequence shortcut_key_sequence, Qt::Orientation orientation,
+                                  QWidget* shortcut_widget, std::optional<ControlState> scale = {});
   QSpinBox* CreateSliderValuePair(QBoxLayout* layout, int default_, u16 max,
                                   QKeySequence shortcut_key_sequence, Qt::Orientation orientation,
-                                  QWidget* shortcut_widget, bool invert = false);
-  template <typename UX>
-  void GetButton(TASCheckBox* button, UX& pad, UX mask);
-  void GetSpinBoxU8(QSpinBox* spin, u8& controller_value);
-  void GetSpinBoxU16(QSpinBox* spin, u16& controller_value);
+                                  QWidget* shortcut_widget);
 
   QGroupBox* m_settings_box;
   QCheckBox* m_use_controller;
@@ -46,7 +73,12 @@ class TASInputWindow : public QDialog
   QSpinBox* m_turbo_release_frames;
 
 private:
+  std::optional<ControlState> GetButton(TASCheckBox* checkbox, ControlState controller_state);
+  std::optional<ControlState> GetSpinBox(QSpinBox* spin, u16 zero, u16 min, u16 max,
+                                         ControlState controller_state);
+  std::optional<ControlState> GetSpinBox(QSpinBox* spin, u16 zero, ControlState controller_state,
+                                         ControlState scale);
+
   std::map<TASCheckBox*, bool> m_checkbox_set_by_controller;
-  std::map<QSpinBox*, u8> m_spinbox_most_recent_values_u8;
-  std::map<QSpinBox*, u8> m_spinbox_most_recent_values_u16;
+  std::map<QSpinBox*, u16> m_spinbox_most_recent_values;
 };
diff --git a/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp b/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp
index 1b379c739fbc..e207ee0bb852 100644
--- a/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp
+++ b/Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp
@@ -15,18 +15,14 @@
 
 #include "Common/CommonTypes.h"
 #include "Common/FileUtil.h"
+#include "Common/MathUtil.h"
 
 #include "Core/Core.h"
-#include "Core/HW/WiimoteCommon/DataReport.h"
-#include "Core/HW/WiimoteEmu/Encryption.h"
-#include "Core/HW/WiimoteEmu/Extension/Classic.h"
-#include "Core/HW/WiimoteEmu/Extension/Nunchuk.h"
-
+#include "Core/HW/Wiimote.h"
 #include "Core/HW/WiimoteEmu/Extension/Classic.h"
+#include "Core/HW/WiimoteEmu/Extension/Extension.h"
 #include "Core/HW/WiimoteEmu/Extension/Nunchuk.h"
 #include "Core/HW/WiimoteEmu/WiimoteEmu.h"
-
-#include "Core/HW/WiimoteEmu/Camera.h"
 #include "Core/HW/WiimoteReal/WiimoteReal.h"
 
 #include "DolphinQt/QtUtils/AspectRatioWidget.h"
@@ -34,6 +30,9 @@
 #include "DolphinQt/TAS/IRWidget.h"
 #include "DolphinQt/TAS/TASCheckBox.h"
 
+#include "InputCommon/ControllerEmu/ControlGroup/Attachments.h"
+#include "InputCommon/ControllerEmu/ControllerEmu.h"
+#include "InputCommon/ControllerEmu/StickGate.h"
 #include "InputCommon/InputConfig.h"
 
 using namespace WiimoteCommon;
@@ -48,21 +47,25 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
                                     ir_x_shortcut_key_sequence.toString(QKeySequence::NativeText),
                                     ir_y_shortcut_key_sequence.toString(QKeySequence::NativeText)));
 
-  const int ir_x_default = static_cast<int>(std::round(ir_max_x / 2.));
-  const int ir_y_default = static_cast<int>(std::round(ir_max_y / 2.));
+  const int ir_x_center = static_cast<int>(std::round(ir_max_x / 2.));
+  const int ir_y_center = static_cast<int>(std::round(ir_max_y / 2.));
 
   auto* x_layout = new QHBoxLayout;
-  m_ir_x_value = CreateSliderValuePair(x_layout, ir_x_default, ir_max_x, ir_x_shortcut_key_sequence,
-                                       Qt::Horizontal, m_ir_box, true);
+  m_ir_x_value = CreateSliderValuePair(
+      WiimoteEmu::Wiimote::IR_GROUP, ControllerEmu::ReshapableInput::X_INPUT_OVERRIDE,
+      &m_wiimote_overrider, x_layout, ir_x_center, ir_x_center, ir_min_x, ir_max_x,
+      ir_x_shortcut_key_sequence, Qt::Horizontal, m_ir_box);
 
   auto* y_layout = new QVBoxLayout;
-  m_ir_y_value = CreateSliderValuePair(y_layout, ir_y_default, ir_max_y, ir_y_shortcut_key_sequence,
-                                       Qt::Vertical, m_ir_box, true);
+  m_ir_y_value = CreateSliderValuePair(
+      WiimoteEmu::Wiimote::IR_GROUP, ControllerEmu::ReshapableInput::Y_INPUT_OVERRIDE,
+      &m_wiimote_overrider, y_layout, ir_y_center, ir_y_center, ir_min_y, ir_max_y,
+      ir_y_shortcut_key_sequence, Qt::Vertical, m_ir_box);
   m_ir_y_value->setMaximumWidth(60);
 
   auto* visual = new IRWidget(this);
-  visual->SetX(ir_x_default);
-  visual->SetY(ir_y_default);
+  visual->SetX(ir_x_center);
+  visual->SetY(ir_y_center);
 
   connect(m_ir_x_value, qOverload<int>(&QSpinBox::valueChanged), visual, &IRWidget::SetX);
   connect(m_ir_y_value, qOverload<int>(&QSpinBox::valueChanged), visual, &IRWidget::SetY);
@@ -80,16 +83,19 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
   ir_layout->addLayout(visual_layout);
   m_ir_box->setLayout(ir_layout);
 
-  m_nunchuk_stick_box = CreateStickInputs(tr("Nunchuk Stick"), m_nunchuk_stick_x_value,
-                                          m_nunchuk_stick_y_value, 255, 255, Qt::Key_X, Qt::Key_Y);
+  m_nunchuk_stick_box = CreateStickInputs(
+      tr("Nunchuk Stick"), WiimoteEmu::Nunchuk::STICK_GROUP, &m_nunchuk_overrider,
+      m_nunchuk_stick_x_value, m_nunchuk_stick_y_value, 0, 0, 255, 255, Qt::Key_X, Qt::Key_Y);
 
   m_classic_left_stick_box =
-      CreateStickInputs(tr("Left Stick"), m_classic_left_stick_x_value,
-                        m_classic_left_stick_y_value, 63, 63, Qt::Key_F, Qt::Key_G);
+      CreateStickInputs(tr("Left Stick"), WiimoteEmu::Classic::LEFT_STICK_GROUP,
+                        &m_classic_overrider, m_classic_left_stick_x_value,
+                        m_classic_left_stick_y_value, 0, 0, 63, 63, Qt::Key_F, Qt::Key_G);
 
   m_classic_right_stick_box =
-      CreateStickInputs(tr("Right Stick"), m_classic_right_stick_x_value,
-                        m_classic_right_stick_y_value, 31, 31, Qt::Key_Q, Qt::Key_W);
+      CreateStickInputs(tr("Right Stick"), WiimoteEmu::Classic::RIGHT_STICK_GROUP,
+                        &m_classic_overrider, m_classic_right_stick_x_value,
+                        m_classic_right_stick_y_value, 0, 0, 31, 31, Qt::Key_Q, Qt::Key_W);
 
   // Need to enforce the same minimum width because otherwise the different lengths in the labels
   // used on the QGroupBox will cause the StickWidgets to have different sizes.
@@ -104,18 +110,33 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
   top_layout->addWidget(m_classic_left_stick_box);
   top_layout->addWidget(m_classic_right_stick_box);
 
+  constexpr u16 ACCEL_ZERO_G = WiimoteEmu::Wiimote::ACCEL_ZERO_G << 2;
+  constexpr u16 ACCEL_ONE_G = WiimoteEmu::Wiimote::ACCEL_ONE_G << 2;
+  constexpr u16 ACCEL_MIN = 0;
+  constexpr u16 ACCEL_MAX = (1 << 10) - 1;
+  constexpr double ACCEL_SCALE = (ACCEL_ONE_G - ACCEL_ZERO_G) / MathUtil::GRAVITY_ACCELERATION;
+
   auto* remote_orientation_x_layout =
       // i18n: Refers to a 3D axis (used when mapping motion controls)
-      CreateSliderValuePairLayout(tr("X"), m_remote_orientation_x_value, 512, 1023, Qt::Key_Q,
-                                  m_remote_orientation_box);
+      CreateSliderValuePairLayout(tr("X"), WiimoteEmu::Wiimote::ACCELEROMETER_GROUP,
+                                  ControllerEmu::ReshapableInput::X_INPUT_OVERRIDE,
+                                  &m_wiimote_overrider, m_remote_orientation_x_value, ACCEL_ZERO_G,
+                                  ACCEL_ZERO_G, ACCEL_MIN, ACCEL_MAX, Qt::Key_Q,
+                                  m_remote_orientation_box, ACCEL_SCALE);
   auto* remote_orientation_y_layout =
       // i18n: Refers to a 3D axis (used when mapping motion controls)
-      CreateSliderValuePairLayout(tr("Y"), m_remote_orientation_y_value, 512, 1023, Qt::Key_W,
-                                  m_remote_orientation_box);
+      CreateSliderValuePairLayout(tr("Y"), WiimoteEmu::Wiimote::ACCELEROMETER_GROUP,
+                                  ControllerEmu::ReshapableInput::Y_INPUT_OVERRIDE,
+                                  &m_wiimote_overrider, m_remote_orientation_y_value, ACCEL_ZERO_G,
+                                  ACCEL_ZERO_G, ACCEL_MIN, ACCEL_MAX, Qt::Key_W,
+                                  m_remote_orientation_box, ACCEL_SCALE);
   auto* remote_orientation_z_layout =
       // i18n: Refers to a 3D axis (used when mapping motion controls)
-      CreateSliderValuePairLayout(tr("Z"), m_remote_orientation_z_value, 616, 1023, Qt::Key_E,
-                                  m_remote_orientation_box);
+      CreateSliderValuePairLayout(tr("Z"), WiimoteEmu::Wiimote::ACCELEROMETER_GROUP,
+                                  ControllerEmu::ReshapableInput::Z_INPUT_OVERRIDE,
+                                  &m_wiimote_overrider, m_remote_orientation_z_value, ACCEL_ZERO_G,
+                                  ACCEL_ONE_G, ACCEL_MIN, ACCEL_MAX, Qt::Key_E,
+                                  m_remote_orientation_box, ACCEL_SCALE);
 
   auto* remote_orientation_layout = new QVBoxLayout;
   remote_orientation_layout->addLayout(remote_orientation_x_layout);
@@ -127,15 +148,24 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
 
   auto* nunchuk_orientation_x_layout =
       // i18n: Refers to a 3D axis (used when mapping motion controls)
-      CreateSliderValuePairLayout(tr("X"), m_nunchuk_orientation_x_value, 512, 1023, Qt::Key_I,
+      CreateSliderValuePairLayout(tr("X"), WiimoteEmu::Nunchuk::ACCELEROMETER_GROUP,
+                                  ControllerEmu::ReshapableInput::X_INPUT_OVERRIDE,
+                                  &m_nunchuk_overrider, m_nunchuk_orientation_x_value, ACCEL_ZERO_G,
+                                  ACCEL_ZERO_G, ACCEL_MIN, ACCEL_MAX, Qt::Key_I,
                                   m_nunchuk_orientation_box);
   auto* nunchuk_orientation_y_layout =
       // i18n: Refers to a 3D axis (used when mapping motion controls)
-      CreateSliderValuePairLayout(tr("Y"), m_nunchuk_orientation_y_value, 512, 1023, Qt::Key_O,
+      CreateSliderValuePairLayout(tr("Y"), WiimoteEmu::Nunchuk::ACCELEROMETER_GROUP,
+                                  ControllerEmu::ReshapableInput::Y_INPUT_OVERRIDE,
+                                  &m_nunchuk_overrider, m_nunchuk_orientation_y_value, ACCEL_ZERO_G,
+                                  ACCEL_ZERO_G, ACCEL_MIN, ACCEL_MAX, Qt::Key_O,
                                   m_nunchuk_orientation_box);
   auto* nunchuk_orientation_z_layout =
       // i18n: Refers to a 3D axis (used when mapping motion controls)
-      CreateSliderValuePairLayout(tr("Z"), m_nunchuk_orientation_z_value, 512, 1023, Qt::Key_P,
+      CreateSliderValuePairLayout(tr("Z"), WiimoteEmu::Nunchuk::ACCELEROMETER_GROUP,
+                                  ControllerEmu::ReshapableInput::Z_INPUT_OVERRIDE,
+                                  &m_nunchuk_overrider, m_nunchuk_orientation_z_value, ACCEL_ZERO_G,
+                                  ACCEL_ONE_G, ACCEL_MIN, ACCEL_MAX, Qt::Key_P,
                                   m_nunchuk_orientation_box);
 
   auto* nunchuk_orientation_layout = new QVBoxLayout;
@@ -145,29 +175,46 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
   m_nunchuk_orientation_box->setLayout(nunchuk_orientation_layout);
 
   m_triggers_box = new QGroupBox(tr("Triggers"));
-  auto* l_trigger_layout = CreateSliderValuePairLayout(tr("Left"), m_left_trigger_value, 0, 31,
-                                                       Qt::Key_N, m_triggers_box);
-  auto* r_trigger_layout = CreateSliderValuePairLayout(tr("Right"), m_right_trigger_value, 0, 31,
-                                                       Qt::Key_M, m_triggers_box);
+  auto* l_trigger_layout = CreateSliderValuePairLayout(
+      tr("Left"), WiimoteEmu::Classic::TRIGGERS_GROUP, WiimoteEmu::Classic::L_ANALOG,
+      &m_classic_overrider, m_left_trigger_value, 0, 0, 0, 31, Qt::Key_N, m_triggers_box);
+  auto* r_trigger_layout = CreateSliderValuePairLayout(
+      tr("Right"), WiimoteEmu::Classic::TRIGGERS_GROUP, WiimoteEmu::Classic::R_ANALOG,
+      &m_classic_overrider, m_right_trigger_value, 0, 0, 0, 31, Qt::Key_M, m_triggers_box);
 
   auto* triggers_layout = new QVBoxLayout;
   triggers_layout->addLayout(l_trigger_layout);
   triggers_layout->addLayout(r_trigger_layout);
   m_triggers_box->setLayout(triggers_layout);
 
-  m_a_button = CreateButton(QStringLiteral("&A"));
-  m_b_button = CreateButton(QStringLiteral("&B"));
-  m_1_button = CreateButton(QStringLiteral("&1"));
-  m_2_button = CreateButton(QStringLiteral("&2"));
-  m_plus_button = CreateButton(QStringLiteral("&+"));
-  m_minus_button = CreateButton(QStringLiteral("&-"));
-  m_home_button = CreateButton(QStringLiteral("&HOME"));
-  m_left_button = CreateButton(QStringLiteral("&Left"));
-  m_up_button = CreateButton(QStringLiteral("&Up"));
-  m_down_button = CreateButton(QStringLiteral("&Down"));
-  m_right_button = CreateButton(QStringLiteral("&Right"));
-  m_c_button = CreateButton(QStringLiteral("&C"));
-  m_z_button = CreateButton(QStringLiteral("&Z"));
+  m_a_button = CreateButton(QStringLiteral("&A"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                            WiimoteEmu::Wiimote::A_BUTTON, &m_wiimote_overrider);
+  m_b_button = CreateButton(QStringLiteral("&B"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                            WiimoteEmu::Wiimote::B_BUTTON, &m_wiimote_overrider);
+  m_1_button = CreateButton(QStringLiteral("&1"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                            WiimoteEmu::Wiimote::ONE_BUTTON, &m_wiimote_overrider);
+  m_2_button = CreateButton(QStringLiteral("&2"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                            WiimoteEmu::Wiimote::TWO_BUTTON, &m_wiimote_overrider);
+  m_plus_button = CreateButton(QStringLiteral("&+"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                               WiimoteEmu::Wiimote::PLUS_BUTTON, &m_wiimote_overrider);
+  m_minus_button = CreateButton(QStringLiteral("&-"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                                WiimoteEmu::Wiimote::MINUS_BUTTON, &m_wiimote_overrider);
+  m_home_button = CreateButton(QStringLiteral("&HOME"), WiimoteEmu::Wiimote::BUTTONS_GROUP,
+                               WiimoteEmu::Wiimote::HOME_BUTTON, &m_wiimote_overrider);
+
+  m_left_button = CreateButton(QStringLiteral("&Left"), WiimoteEmu::Wiimote::DPAD_GROUP,
+                               DIRECTION_LEFT, &m_wiimote_overrider);
+  m_up_button = CreateButton(QStringLiteral("&Up"), WiimoteEmu::Wiimote::DPAD_GROUP, DIRECTION_UP,
+                             &m_wiimote_overrider);
+  m_down_button = CreateButton(QStringLiteral("&Down"), WiimoteEmu::Wiimote::DPAD_GROUP,
+                               DIRECTION_DOWN, &m_wiimote_overrider);
+  m_right_button = CreateButton(QStringLiteral("&Right"), WiimoteEmu::Wiimote::DPAD_GROUP,
+                                DIRECTION_RIGHT, &m_wiimote_overrider);
+
+  m_c_button = CreateButton(QStringLiteral("&C"), WiimoteEmu::Nunchuk::BUTTONS_GROUP,
+                            WiimoteEmu::Nunchuk::C_BUTTON, &m_nunchuk_overrider);
+  m_z_button = CreateButton(QStringLiteral("&Z"), WiimoteEmu::Nunchuk::BUTTONS_GROUP,
+                            WiimoteEmu::Nunchuk::Z_BUTTON, &m_nunchuk_overrider);
 
   auto* buttons_layout = new QGridLayout;
   buttons_layout->addWidget(m_a_button, 0, 0);
@@ -196,21 +243,38 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
   m_nunchuk_buttons_box = new QGroupBox(tr("Nunchuk Buttons"));
   m_nunchuk_buttons_box->setLayout(nunchuk_buttons_layout);
 
-  m_classic_a_button = CreateButton(QStringLiteral("&A"));
-  m_classic_b_button = CreateButton(QStringLiteral("&B"));
-  m_classic_x_button = CreateButton(QStringLiteral("&X"));
-  m_classic_y_button = CreateButton(QStringLiteral("&Y"));
-  m_classic_l_button = CreateButton(QStringLiteral("&L"));
-  m_classic_r_button = CreateButton(QStringLiteral("&R"));
-  m_classic_zl_button = CreateButton(QStringLiteral("&ZL"));
-  m_classic_zr_button = CreateButton(QStringLiteral("ZR"));
-  m_classic_plus_button = CreateButton(QStringLiteral("&+"));
-  m_classic_minus_button = CreateButton(QStringLiteral("&-"));
-  m_classic_home_button = CreateButton(QStringLiteral("&HOME"));
-  m_classic_left_button = CreateButton(QStringLiteral("L&eft"));
-  m_classic_up_button = CreateButton(QStringLiteral("&Up"));
-  m_classic_down_button = CreateButton(QStringLiteral("&Down"));
-  m_classic_right_button = CreateButton(QStringLiteral("R&ight"));
+  m_classic_a_button = CreateButton(QStringLiteral("&A"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                    WiimoteEmu::Classic::A_BUTTON, &m_classic_overrider);
+  m_classic_b_button = CreateButton(QStringLiteral("&B"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                    WiimoteEmu::Classic::B_BUTTON, &m_classic_overrider);
+  m_classic_x_button = CreateButton(QStringLiteral("&X"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                    WiimoteEmu::Classic::X_BUTTON, &m_classic_overrider);
+  m_classic_y_button = CreateButton(QStringLiteral("&Y"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                    WiimoteEmu::Classic::Y_BUTTON, &m_classic_overrider);
+  m_classic_zl_button = CreateButton(QStringLiteral("&ZL"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                     WiimoteEmu::Classic::ZL_BUTTON, &m_classic_overrider);
+  m_classic_zr_button = CreateButton(QStringLiteral("ZR"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                     WiimoteEmu::Classic::ZR_BUTTON, &m_classic_overrider);
+  m_classic_plus_button = CreateButton(QStringLiteral("&+"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                       WiimoteEmu::Classic::PLUS_BUTTON, &m_classic_overrider);
+  m_classic_minus_button = CreateButton(QStringLiteral("&-"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                        WiimoteEmu::Classic::MINUS_BUTTON, &m_classic_overrider);
+  m_classic_home_button = CreateButton(QStringLiteral("&HOME"), WiimoteEmu::Classic::BUTTONS_GROUP,
+                                       WiimoteEmu::Classic::HOME_BUTTON, &m_classic_overrider);
+
+  m_classic_l_button = CreateButton(QStringLiteral("&L"), WiimoteEmu::Classic::TRIGGERS_GROUP,
+                                    WiimoteEmu::Classic::L_DIGITAL, &m_classic_overrider);
+  m_classic_r_button = CreateButton(QStringLiteral("&R"), WiimoteEmu::Classic::TRIGGERS_GROUP,
+                                    WiimoteEmu::Classic::R_DIGITAL, &m_classic_overrider);
+
+  m_classic_left_button = CreateButton(QStringLiteral("L&eft"), WiimoteEmu::Classic::DPAD_GROUP,
+                                       DIRECTION_LEFT, &m_classic_overrider);
+  m_classic_up_button = CreateButton(QStringLiteral("&Up"), WiimoteEmu::Classic::DPAD_GROUP,
+                                     DIRECTION_UP, &m_classic_overrider);
+  m_classic_down_button = CreateButton(QStringLiteral("&Down"), WiimoteEmu::Classic::DPAD_GROUP,
+                                       DIRECTION_DOWN, &m_classic_overrider);
+  m_classic_right_button = CreateButton(QStringLiteral("R&ight"), WiimoteEmu::Classic::DPAD_GROUP,
+                                        DIRECTION_RIGHT, &m_classic_overrider);
 
   auto* classic_buttons_layout = new QGridLayout;
   classic_buttons_layout->addWidget(m_classic_a_button, 0, 0);
@@ -247,11 +311,9 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
 
   setLayout(layout);
 
-  u8 ext = 0;
   if (Core::IsRunning())
   {
-    ext = static_cast<WiimoteEmu::Wiimote*>(Wiimote::GetConfig()->GetController(num))
-              ->GetActiveExtensionNumber();
+    m_active_extension = GetWiimote()->GetActiveExtensionNumber();
   }
   else
   {
@@ -261,16 +323,35 @@ WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : TASInputWindow(
     ini.GetIfExists("Wiimote" + std::to_string(num + 1), "Extension", &extension);
 
     if (extension == "Nunchuk")
-      ext = 1;
-    if (extension == "Classic")
-      ext = 2;
+      m_active_extension = WiimoteEmu::ExtensionNumber::NUNCHUK;
+    else if (extension == "Classic")
+      m_active_extension = WiimoteEmu::ExtensionNumber::CLASSIC;
+    else
+      m_active_extension = WiimoteEmu::ExtensionNumber::NONE;
   }
-  UpdateExt(ext);
+  UpdateExt();
 }
 
-void WiiTASInputWindow::UpdateExt(u8 ext)
+WiimoteEmu::Wiimote* WiiTASInputWindow::GetWiimote()
 {
-  if (ext == 1)
+  return static_cast<WiimoteEmu::Wiimote*>(Wiimote::GetConfig()->GetController(m_num));
+}
+
+ControllerEmu::Attachments* WiiTASInputWindow::GetAttachments()
+{
+  return static_cast<ControllerEmu::Attachments*>(
+      GetWiimote()->GetWiimoteGroup(WiimoteEmu::WiimoteGroup::Attachments));
+}
+
+WiimoteEmu::Extension* WiiTASInputWindow::GetExtension()
+{
+  return static_cast<WiimoteEmu::Extension*>(
+      GetAttachments()->GetAttachmentList()[m_active_extension].get());
+}
+
+void WiiTASInputWindow::UpdateExt()
+{
+  if (m_active_extension == WiimoteEmu::ExtensionNumber::NUNCHUK)
   {
     setWindowTitle(tr("Wii TAS Input %1 - Wii Remote + Nunchuk").arg(m_num + 1));
     m_ir_box->show();
@@ -284,7 +365,7 @@ void WiiTASInputWindow::UpdateExt(u8 ext)
     m_remote_buttons_box->show();
     m_classic_buttons_box->hide();
   }
-  else if (ext == 2)
+  else if (m_active_extension == WiimoteEmu::ExtensionNumber::CLASSIC)
   {
     setWindowTitle(tr("Wii TAS Input %1 - Classic Controller").arg(m_num + 1));
     m_ir_box->hide();
@@ -314,183 +395,22 @@ void WiiTASInputWindow::UpdateExt(u8 ext)
   }
 }
 
-void WiiTASInputWindow::GetValues(DataReportBuilder& rpt, int ext,
-                                  const WiimoteEmu::EncryptionKey& key)
+void WiiTASInputWindow::hideEvent(QHideEvent* event)
 {
-  if (!isVisible())
-    return;
-
-  UpdateExt(ext);
-
-  if (m_remote_buttons_box->isVisible() && rpt.HasCore())
-  {
-    DataReportBuilder::CoreData core;
-    rpt.GetCoreData(&core);
-
-    using EmuWiimote = WiimoteEmu::Wiimote;
-
-    u16& buttons = core.hex;
-    GetButton<u16>(m_a_button, buttons, EmuWiimote::BUTTON_A);
-    GetButton<u16>(m_b_button, buttons, EmuWiimote::BUTTON_B);
-    GetButton<u16>(m_1_button, buttons, EmuWiimote::BUTTON_ONE);
-    GetButton<u16>(m_2_button, buttons, EmuWiimote::BUTTON_TWO);
-    GetButton<u16>(m_plus_button, buttons, EmuWiimote::BUTTON_PLUS);
-    GetButton<u16>(m_minus_button, buttons, EmuWiimote::BUTTON_MINUS);
-    GetButton<u16>(m_home_button, buttons, EmuWiimote::BUTTON_HOME);
-    GetButton<u16>(m_left_button, buttons, EmuWiimote::PAD_LEFT);
-    GetButton<u16>(m_up_button, buttons, EmuWiimote::PAD_UP);
-    GetButton<u16>(m_down_button, buttons, EmuWiimote::PAD_DOWN);
-    GetButton<u16>(m_right_button, buttons, EmuWiimote::PAD_RIGHT);
-
-    rpt.SetCoreData(core);
-  }
-
-  if (m_remote_orientation_box->isVisible() && rpt.HasAccel())
-  {
-    // FYI: Interleaved reports may behave funky as not all data is always available.
-
-    AccelData accel;
-    rpt.GetAccelData(&accel);
-
-    GetSpinBoxU16(m_remote_orientation_x_value, accel.value.x);
-    GetSpinBoxU16(m_remote_orientation_y_value, accel.value.y);
-    GetSpinBoxU16(m_remote_orientation_z_value, accel.value.z);
-
-    rpt.SetAccelData(accel);
-  }
-
-  if (m_ir_box->isVisible() && rpt.HasIR() && !m_use_controller->isChecked())
-  {
-    u8* const ir_data = rpt.GetIRDataPtr();
-
-    u16 y = m_ir_y_value->value();
-    std::array<u16, 4> x;
-    x[0] = m_ir_x_value->value();
-    x[1] = x[0] + 100;
-    x[2] = x[0] - 10;
-    x[3] = x[1] + 10;
-
-    // FYI: This check is not entirely foolproof.
-    // TODO: IR "full" mode not implemented.
-    u8 mode = WiimoteEmu::CameraLogic::IR_MODE_BASIC;
-
-    if (rpt.GetIRDataSize() == sizeof(WiimoteEmu::IRExtended) * 4)
-      mode = WiimoteEmu::CameraLogic::IR_MODE_EXTENDED;
-    else if (rpt.GetIRDataSize() == sizeof(WiimoteEmu::IRFull) * 2)
-      mode = WiimoteEmu::CameraLogic::IR_MODE_FULL;
-
-    if (mode == WiimoteEmu::CameraLogic::IR_MODE_BASIC)
-    {
-      memset(ir_data, 0xFF, sizeof(WiimoteEmu::IRBasic) * 2);
-      auto* const ir_basic = reinterpret_cast<WiimoteEmu::IRBasic*>(ir_data);
-      for (int i = 0; i < 2; ++i)
-      {
-        if (x[i * 2] < 1024 && y < 768)
-        {
-          ir_basic[i].x1 = static_cast<u8>(x[i * 2]);
-          ir_basic[i].x1hi = x[i * 2] >> 8;
-
-          ir_basic[i].y1 = static_cast<u8>(y);
-          ir_basic[i].y1hi = y >> 8;
-        }
-        if (x[i * 2 + 1] < 1024 && y < 768)
-        {
-          ir_basic[i].x2 = static_cast<u8>(x[i * 2 + 1]);
-          ir_basic[i].x2hi = x[i * 2 + 1] >> 8;
-
-          ir_basic[i].y2 = static_cast<u8>(y);
-          ir_basic[i].y2hi = y >> 8;
-        }
-      }
-    }
-    else
-    {
-      // TODO: this code doesnt work, resulting in no IR TAS inputs in e.g. wii sports menu when no
-      // remote extension is used
-      memset(ir_data, 0xFF, sizeof(WiimoteEmu::IRExtended) * 4);
-      auto* const ir_extended = reinterpret_cast<WiimoteEmu::IRExtended*>(ir_data);
-      for (size_t i = 0; i < x.size(); ++i)
-      {
-        if (x[i] < 1024 && y < 768)
-        {
-          ir_extended[i].x = static_cast<u8>(x[i]);
-          ir_extended[i].xhi = x[i] >> 8;
-
-          ir_extended[i].y = static_cast<u8>(y);
-          ir_extended[i].yhi = y >> 8;
-
-          ir_extended[i].size = 10;
-        }
-      }
-    }
-  }
-
-  if (rpt.HasExt() && m_nunchuk_stick_box->isVisible())
-  {
-    u8* const ext_data = rpt.GetExtDataPtr();
-
-    auto& nunchuk = *reinterpret_cast<WiimoteEmu::Nunchuk::DataFormat*>(ext_data);
-
-    GetSpinBoxU8(m_nunchuk_stick_x_value, nunchuk.jx);
-    GetSpinBoxU8(m_nunchuk_stick_y_value, nunchuk.jy);
+  GetWiimote()->ClearInputOverrideFunction();
+  GetExtension()->ClearInputOverrideFunction();
+}
 
-    auto accel = nunchuk.GetAccel().value;
-    GetSpinBoxU16(m_nunchuk_orientation_x_value, accel.x);
-    GetSpinBoxU16(m_nunchuk_orientation_y_value, accel.y);
-    GetSpinBoxU16(m_nunchuk_orientation_z_value, accel.z);
-    nunchuk.SetAccel(accel);
+void WiiTASInputWindow::showEvent(QShowEvent* event)
+{
+  WiimoteEmu::Wiimote* wiimote = GetWiimote();
 
-    u8 bt = nunchuk.GetButtons();
-    GetButton<u8>(m_c_button, bt, WiimoteEmu::Nunchuk::BUTTON_C);
-    GetButton<u8>(m_z_button, bt, WiimoteEmu::Nunchuk::BUTTON_Z);
-    nunchuk.SetButtons(bt);
+  if (m_active_extension != WiimoteEmu::ExtensionNumber::CLASSIC)
+    wiimote->SetInputOverrideFunction(m_wiimote_overrider.GetInputOverrideFunction());
 
-    key.Encrypt(reinterpret_cast<u8*>(&nunchuk), 0, sizeof(nunchuk));
-  }
+  if (m_active_extension == WiimoteEmu::ExtensionNumber::NUNCHUK)
+    GetExtension()->SetInputOverrideFunction(m_nunchuk_overrider.GetInputOverrideFunction());
 
-  if (m_classic_left_stick_box->isVisible())
-  {
-    u8* const ext_data = rpt.GetExtDataPtr();
-
-    auto& cc = *reinterpret_cast<WiimoteEmu::Classic::DataFormat*>(ext_data);
-    key.Decrypt(reinterpret_cast<u8*>(&cc), 0, sizeof(cc));
-
-    u16 bt = cc.GetButtons();
-    GetButton<u16>(m_classic_a_button, bt, WiimoteEmu::Classic::BUTTON_A);
-    GetButton<u16>(m_classic_b_button, bt, WiimoteEmu::Classic::BUTTON_B);
-    GetButton<u16>(m_classic_x_button, bt, WiimoteEmu::Classic::BUTTON_X);
-    GetButton<u16>(m_classic_y_button, bt, WiimoteEmu::Classic::BUTTON_Y);
-    GetButton<u16>(m_classic_plus_button, bt, WiimoteEmu::Classic::BUTTON_PLUS);
-    GetButton<u16>(m_classic_minus_button, bt, WiimoteEmu::Classic::BUTTON_MINUS);
-    GetButton<u16>(m_classic_l_button, bt, WiimoteEmu::Classic::TRIGGER_L);
-    GetButton<u16>(m_classic_r_button, bt, WiimoteEmu::Classic::TRIGGER_R);
-    GetButton<u16>(m_classic_zl_button, bt, WiimoteEmu::Classic::BUTTON_ZL);
-    GetButton<u16>(m_classic_zr_button, bt, WiimoteEmu::Classic::BUTTON_ZR);
-    GetButton<u16>(m_classic_home_button, bt, WiimoteEmu::Classic::BUTTON_HOME);
-    GetButton<u16>(m_classic_left_button, bt, WiimoteEmu::Classic::PAD_LEFT);
-    GetButton<u16>(m_classic_up_button, bt, WiimoteEmu::Classic::PAD_UP);
-    GetButton<u16>(m_classic_down_button, bt, WiimoteEmu::Classic::PAD_DOWN);
-    GetButton<u16>(m_classic_right_button, bt, WiimoteEmu::Classic::PAD_RIGHT);
-    cc.SetButtons(bt);
-
-    auto right_stick = cc.GetRightStick().value;
-    GetSpinBoxU8(m_classic_right_stick_x_value, right_stick.x);
-    GetSpinBoxU8(m_classic_right_stick_y_value, right_stick.y);
-    cc.SetRightStick(right_stick);
-
-    auto left_stick = cc.GetLeftStick().value;
-    GetSpinBoxU8(m_classic_left_stick_x_value, left_stick.x);
-    GetSpinBoxU8(m_classic_left_stick_y_value, left_stick.y);
-    cc.SetLeftStick(left_stick);
-
-    u8 rt = cc.GetRightTrigger().value;
-    GetSpinBoxU8(m_right_trigger_value, rt);
-    cc.SetRightTrigger(rt);
-
-    u8 lt = cc.GetLeftTrigger().value;
-    GetSpinBoxU8(m_left_trigger_value, lt);
-    cc.SetLeftTrigger(lt);
-
-    key.Encrypt(reinterpret_cast<u8*>(&cc), 0, sizeof(cc));
-  }
+  if (m_active_extension == WiimoteEmu::ExtensionNumber::CLASSIC)
+    GetExtension()->SetInputOverrideFunction(m_classic_overrider.GetInputOverrideFunction());
 }
diff --git a/Source/Core/DolphinQt/TAS/WiiTASInputWindow.h b/Source/Core/DolphinQt/TAS/WiiTASInputWindow.h
index 911322a649c7..a521301a602c 100644
--- a/Source/Core/DolphinQt/TAS/WiiTASInputWindow.h
+++ b/Source/Core/DolphinQt/TAS/WiiTASInputWindow.h
@@ -5,31 +5,48 @@
 
 #include "DolphinQt/TAS/TASInputWindow.h"
 
-namespace WiimoteCommon
-{
-class DataReportBuilder;
-}
-
-namespace WiimoteEmu
-{
-class EncryptionKey;
-}
+#include "Core/HW/WiimoteEmu/ExtensionPort.h"
 
 class QGroupBox;
+class QHideEvent;
+class QShowEvent;
 class QSpinBox;
 class TASCheckBox;
 
+namespace WiimoteEmu
+{
+class Extension;
+class Wiimote;
+}  // namespace WiimoteEmu
+
+namespace ControllerEmu
+{
+class Attachments;
+}
+
 class WiiTASInputWindow : public TASInputWindow
 {
   Q_OBJECT
 public:
   explicit WiiTASInputWindow(QWidget* parent, int num);
-  void GetValues(WiimoteCommon::DataReportBuilder& rpt, int ext,
-                 const WiimoteEmu::EncryptionKey& key);
+
+  void hideEvent(QHideEvent* event) override;
+  void showEvent(QShowEvent* event) override;
 
 private:
-  void UpdateExt(u8 ext);
+  WiimoteEmu::Wiimote* GetWiimote();
+  ControllerEmu::Attachments* GetAttachments();
+  WiimoteEmu::Extension* GetExtension();
+
+  void UpdateExt();
+
+  WiimoteEmu::ExtensionNumber m_active_extension;
   int m_num;
+
+  InputOverrider m_wiimote_overrider;
+  InputOverrider m_nunchuk_overrider;
+  InputOverrider m_classic_overrider;
+
   TASCheckBox* m_a_button;
   TASCheckBox* m_b_button;
   TASCheckBox* m_1_button;
diff --git a/Source/Core/InputCommon/ControllerEmu/ControllerEmu.h b/Source/Core/InputCommon/ControllerEmu/ControllerEmu.h
index b0e514d20ad2..e7e957e60875 100644
--- a/Source/Core/InputCommon/ControllerEmu/ControllerEmu.h
+++ b/Source/Core/InputCommon/ControllerEmu/ControllerEmu.h
@@ -20,8 +20,13 @@
 
 class ControllerInterface;
 
-const char* const named_directions[] = {_trans("Up"), _trans("Down"), _trans("Left"),
-                                        _trans("Right")};
+constexpr const char* DIRECTION_UP = _trans("Up");
+constexpr const char* DIRECTION_DOWN = _trans("Down");
+constexpr const char* DIRECTION_LEFT = _trans("Left");
+constexpr const char* DIRECTION_RIGHT = _trans("Right");
+
+constexpr const char* named_directions[] = {DIRECTION_UP, DIRECTION_DOWN, DIRECTION_LEFT,
+                                            DIRECTION_RIGHT};
 
 class ControlReference;
 
@@ -204,7 +209,7 @@ class EmulatedController
 
   std::vector<std::unique_ptr<ControlGroup>> groups;
 
-  // Maps a float from -1.0..+1.0 to an integer of the provided values.
+  // Maps a float from -1.0..+1.0 to an integer in the provided range.
   template <typename T, typename F>
   static T MapFloat(F input_value, T zero_value, T neg_1_value = std::numeric_limits<T>::min(),
                     T pos_1_value = std::numeric_limits<T>::max())
@@ -227,6 +232,21 @@ class EmulatedController
       return T(std::llround((zero_value - neg_1_value) * input_value + zero_value));
   }
 
+  // The inverse of the function above.
+  // Maps an integer in the provided range to a float in the range -1.0..1.0.
+  template <typename F, typename T>
+  static F MapToFloat(T input_value, T zero_value, T neg_1_value = std::numeric_limits<T>::min(),
+                      T pos_1_value = std::numeric_limits<T>::max())
+  {
+    static_assert(std::is_integral<T>(), "T is only sane for int types.");
+    static_assert(std::is_floating_point<F>(), "F is only sane for float types.");
+
+    if (input_value >= zero_value)
+      return F(input_value - zero_value) / F(pos_1_value - zero_value);
+    else
+      return -F(zero_value - input_value) / F(zero_value - neg_1_value);
+  }
+
 protected:
   // TODO: Wiimote attachments actually end up using their parent controller value for this,
   // so theirs won't be used (and thus shouldn't even exist).