touchscreen: Make use of common point struct

src/core/hle/service/hid/controllers/touchscreen.cpp

@@ -74,8 +74,11 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
     for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
         auto& touch_entry = cur_entry.states[id];
         if (id < active_fingers_count) {
-            touch_entry.x = static_cast<u16>(active_fingers[id].x * Layout::ScreenUndocked::Width);
-            touch_entry.y = static_cast<u16>(active_fingers[id].y * Layout::ScreenUndocked::Height);
+            const auto& [active_x, active_y] = active_fingers[id].position;
+            touch_entry.position = {
+                .x = static_cast<u16>(active_x * Layout::ScreenUndocked::Width),
+                .y = static_cast<u16>(active_y * Layout::ScreenUndocked::Height),
+            };
             touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
             touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
             touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
@@ -86,8 +89,7 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
         } else {
             // Clear touch entry
             touch_entry.attribute.raw = 0;
-            touch_entry.x = 0;
-            touch_entry.y = 0;
+            touch_entry.position = {};
             touch_entry.diameter_x = 0;
             touch_entry.diameter_y = 0;
             touch_entry.rotation_angle = 0;
@@ -140,8 +142,7 @@ std::size_t Controller_Touchscreen::UpdateTouchInputEvent(
             fingers[finger_id].id = static_cast<u32_le>(finger_id);
             attribute.start_touch.Assign(1);
         }
-        fingers[finger_id].x = x;
-        fingers[finger_id].y = y;
+        fingers[finger_id].position = {x, y};
         fingers[finger_id].attribute = attribute;
         return finger_id;
     }

src/core/hle/service/hid/controllers/touchscreen.h

@@ -7,6 +7,7 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/point.h"
 #include "common/swap.h"
 #include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
@@ -55,8 +56,7 @@ private:
         u64_le delta_time;
         Attributes attribute;
         u32_le finger;
-        u32_le x;
-        u32_le y;
+        Common::Point<u32_le> position;
         u32_le diameter_x;
         u32_le diameter_y;
         u32_le rotation_angle;
@@ -81,8 +81,7 @@ private:
 
     struct Finger {
         u64_le last_touch{};
-        float x{};
-        float y{};
+        Common::Point<float> position;
         u32_le id{};
         bool pressed{};
         Attributes attribute;