5 files changed, 88 insertions, 18 deletions

diff --git a/src/input_common/analog_from_button.cpp b/src/input_common/analog_from_button.cpp
index d748c1c04..40b516f85 100755
--- a/src/input_common/analog_from_button.cpp
+++ b/src/input_common/analog_from_button.cpp
@@ -6,6 +6,7 @@
 #include <cmath>
 #include <thread>
 #include "common/math_util.h"
+#include "core/settings.h"
 #include "input_common/analog_from_button.h"
 
 namespace InputCommon {
@@ -112,7 +113,26 @@ public:
     }
 
     std::tuple<float, float> GetStatus() const override {
-        return std::make_tuple(std::cos(angle) * amplitude, std::sin(angle) * amplitude);
+        if (Settings::values.emulate_analog_keyboard) {
+            return std::make_tuple(std::cos(angle) * amplitude, std::sin(angle) * amplitude);
+        }
+        constexpr float SQRT_HALF = 0.707106781f;
+        int x = 0, y = 0;
+        if (right->GetStatus()) {
+            ++x;
+        }
+        if (left->GetStatus()) {
+            --x;
+        }
+        if (up->GetStatus()) {
+            ++y;
+        }
+        if (down->GetStatus()) {
+            --y;
+        }
+        const float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
+        return std::make_tuple(static_cast<float>(x) * coef * (y == 0 ? 1.0f : SQRT_HALF),
+                               static_cast<float>(y) * coef * (x == 0 ? 1.0f : SQRT_HALF));
     }
 
     bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
diff --git a/src/input_common/gcadapter/gc_poller.cpp b/src/input_common/gcadapter/gc_poller.cpp
index 4d1052414..9670bdeb2 100644
--- a/src/input_common/gcadapter/gc_poller.cpp
+++ b/src/input_common/gcadapter/gc_poller.cpp
@@ -139,10 +139,10 @@ void GCButtonFactory::EndConfiguration() {
 
 class GCAnalog final : public Input::AnalogDevice {
 public:
-    explicit GCAnalog(u32 port_, u32 axis_x_, u32 axis_y_, float deadzone_,
-                      const GCAdapter::Adapter* adapter, float range_)
-        : port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter),
-          range(range_) {}
+    explicit GCAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_,
+                      float deadzone_, float range_, const GCAdapter::Adapter* adapter)
+        : port(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_),
+          deadzone(deadzone_), range(range_), gcadapter(adapter) {}
 
     float GetAxis(u32 axis) const {
         if (gcadapter->DeviceConnected(port)) {
@@ -157,7 +157,12 @@ public:
     std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
         float x = GetAxis(analog_axis_x);
         float y = GetAxis(analog_axis_y);
-
+        if (invert_x) {
+            x = -x;
+        }
+        if (invert_y) {
+            y = -y;
+        }
         // Make sure the coordinates are in the unit circle,
         // otherwise normalize it.
         float r = x * x + y * y;
@@ -200,9 +205,11 @@ private:
     const u32 port;
     const u32 axis_x;
     const u32 axis_y;
+    const bool invert_x;
+    const bool invert_y;
     const float deadzone;
-    const GCAdapter::Adapter* gcadapter;
     const float range;
+    const GCAdapter::Adapter* gcadapter;
     mutable std::mutex mutex;
 };
 
@@ -223,8 +230,13 @@ std::unique_ptr<Input::AnalogDevice> GCAnalogFactory::Create(const Common::Param
     const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
     const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
     const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+    const std::string invert_x_value = params.Get("invert_x", "+");
+    const std::string invert_y_value = params.Get("invert_y", "+");
+    const bool invert_x = invert_x_value == "-";
+    const bool invert_y = invert_y_value == "-";
 
-    return std::make_unique<GCAnalog>(port, axis_x, axis_y, deadzone, adapter.get(), range);
+    return std::make_unique<GCAnalog>(port, axis_x, axis_y, invert_x, invert_y, deadzone, range,
+                                      adapter.get());
 }
 
 void GCAnalogFactory::BeginConfiguration() {
@@ -282,6 +294,8 @@ Common::ParamPackage GCAnalogFactory::GetNextInput() {
         params.Set("port", controller_number);
         params.Set("axis_x", analog_x_axis);
         params.Set("axis_y", analog_y_axis);
+        params.Set("invert_x", "+");
+        params.Set("invert_y", "+");
         analog_x_axis = -1;
         analog_y_axis = -1;
         controller_number = -1;
diff --git a/src/input_common/mouse/mouse_poller.cpp b/src/input_common/mouse/mouse_poller.cpp
index 7445ad3ad..508eb0c7d 100644
--- a/src/input_common/mouse/mouse_poller.cpp
+++ b/src/input_common/mouse/mouse_poller.cpp
@@ -62,10 +62,10 @@ void MouseButtonFactory::EndConfiguration() {
 
 class MouseAnalog final : public Input::AnalogDevice {
 public:
-    explicit MouseAnalog(u32 port_, u32 axis_x_, u32 axis_y_, float deadzone_, float range_,
-                         const MouseInput::Mouse* mouse_input_)
-        : button(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), range(range_),
-          mouse_input(mouse_input_) {}
+    explicit MouseAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_,
+                         float deadzone_, float range_, const MouseInput::Mouse* mouse_input_)
+        : button(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_),
+          deadzone(deadzone_), range(range_), mouse_input(mouse_input_) {}
 
     float GetAxis(u32 axis) const {
         std::lock_guard lock{mutex};
@@ -77,6 +77,12 @@ public:
     std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
         float x = GetAxis(analog_axis_x);
         float y = GetAxis(analog_axis_y);
+        if (invert_x) {
+            x = -x;
+        }
+        if (invert_y) {
+            y = -y;
+        }
 
         // Make sure the coordinates are in the unit circle,
         // otherwise normalize it.
@@ -104,6 +110,8 @@ private:
     const u32 button;
     const u32 axis_x;
     const u32 axis_y;
+    const bool invert_x;
+    const bool invert_y;
     const float deadzone;
     const float range;
     const MouseInput::Mouse* mouse_input;
@@ -128,8 +136,13 @@ std::unique_ptr<Input::AnalogDevice> MouseAnalogFactory::Create(
     const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
     const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
     const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+    const std::string invert_x_value = params.Get("invert_x", "+");
+    const std::string invert_y_value = params.Get("invert_y", "+");
+    const bool invert_x = invert_x_value == "-";
+    const bool invert_y = invert_y_value == "-";
 
-    return std::make_unique<MouseAnalog>(port, axis_x, axis_y, deadzone, range, mouse_input.get());
+    return std::make_unique<MouseAnalog>(port, axis_x, axis_y, invert_x, invert_y, deadzone, range,
+                                         mouse_input.get());
 }
 
 void MouseAnalogFactory::BeginConfiguration() {
@@ -153,6 +166,8 @@ Common::ParamPackage MouseAnalogFactory::GetNextInput() const {
             params.Set("port", static_cast<u16>(pad.button));
             params.Set("axis_x", 0);
             params.Set("axis_y", 1);
+            params.Set("invert_x", "+");
+            params.Set("invert_y", "+");
             return params;
         }
     }
diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp
index d56b7587b..d32eb732a 100644
--- a/src/input_common/sdl/sdl_impl.cpp
+++ b/src/input_common/sdl/sdl_impl.cpp
@@ -352,13 +352,20 @@ private:
 class SDLAnalog final : public Input::AnalogDevice {
 public:
     explicit SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_,
-                       float deadzone_, float range_)
-        : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_),
-          range(range_) {}
+                       bool invert_x_, bool invert_y_, float deadzone_, float range_)
+        : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_),
+          invert_y(invert_y_), deadzone(deadzone_), range(range_) {}
 
     std::tuple<float, float> GetStatus() const override {
-        const auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
+        auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
         const float r = std::sqrt((x * x) + (y * y));
+        if (invert_x) {
+            x = -x;
+        }
+        if (invert_y) {
+            y = -y;
+        }
+
         if (r > deadzone) {
             return std::make_tuple(x / r * (r - deadzone) / (1 - deadzone),
                                    y / r * (r - deadzone) / (1 - deadzone));
@@ -386,6 +393,8 @@ private:
     std::shared_ptr<SDLJoystick> joystick;
     const int axis_x;
     const int axis_y;
+    const bool invert_x;
+    const bool invert_y;
     const float deadzone;
     const float range;
 };
@@ -572,12 +581,17 @@ public:
         const int axis_y = params.Get("axis_y", 1);
         const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
         const float range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+        const std::string invert_x_value = params.Get("invert_x", "+");
+        const std::string invert_y_value = params.Get("invert_y", "+");
+        const bool invert_x = invert_x_value == "-";
+        const bool invert_y = invert_y_value == "-";
         auto joystick = state.GetSDLJoystickByGUID(guid, port);
 
         // This is necessary so accessing GetAxis with axis_x and axis_y won't crash
         joystick->SetAxis(axis_x, 0);
         joystick->SetAxis(axis_y, 0);
-        return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, deadzone, range);
+        return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, invert_x, invert_y, deadzone,
+                                           range);
     }
 
 private:
@@ -886,6 +900,8 @@ Common::ParamPackage BuildParamPackageForAnalog(int port, const std::string& gui
     params.Set("guid", guid);
     params.Set("axis_x", axis_x);
     params.Set("axis_y", axis_y);
+    params.Set("invert_x", "+");
+    params.Set("invert_y", "+");
     return params;
 }
 } // Anonymous namespace
diff --git a/src/input_common/udp/client.cpp b/src/input_common/udp/client.cpp
index 17a9225d7..412d57896 100644
--- a/src/input_common/udp/client.cpp
+++ b/src/input_common/udp/client.cpp
@@ -225,6 +225,11 @@ void Client::OnPortInfo([[maybe_unused]] Response::PortInfo data) {
 }
 
 void Client::OnPadData(Response::PadData data, std::size_t client) {
+    // Accept packets only for the correct pad
+    if (static_cast<u8>(clients[client].pad_index) != data.info.id) {
+        return;
+    }
+
     LOG_TRACE(Input, "PadData packet received");
     if (data.packet_counter == clients[client].packet_sequence) {
         LOG_WARNING(