From 64f68e96354df3afb9bb563c888793f98ecb5026 Mon Sep 17 00:00:00 2001
From: Narr the Reg <juangerman-13@hotmail.com>
Date: Wed, 13 Dec 2023 21:39:38 -0600
Subject: service: hid: Allow to create multiple instances of shared memory

---
 src/core/hle/service/hid/controllers/gesture.h | 85 +++-----------------------
 1 file changed, 7 insertions(+), 78 deletions(-)

(limited to 'src/core/hle/service/hid/controllers/gesture.h')

diff --git a/src/core/hle/service/hid/controllers/gesture.h b/src/core/hle/service/hid/controllers/gesture.h
index 4c6f8ee07..cee6b6c07 100644
--- a/src/core/hle/service/hid/controllers/gesture.h
+++ b/src/core/hle/service/hid/controllers/gesture.h
@@ -4,17 +4,19 @@
 #pragma once
 
 #include <array>
-#include "common/bit_field.h"
+
 #include "common/common_types.h"
-#include "common/point.h"
 #include "core/hid/emulated_console.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
-#include "core/hle/service/hid/ring_lifo.h"
+#include "core/hle/service/hid/controllers/types/touch_types.h"
 
 namespace Service::HID {
+struct GestureSharedMemoryFormat;
+
 class Gesture final : public ControllerBase {
 public:
-    explicit Gesture(Core::HID::HIDCore& hid_core_, u8* raw_shared_memory_);
+    explicit Gesture(Core::HID::HIDCore& hid_core_,
+                     GestureSharedMemoryFormat& gesture_shared_memory);
     ~Gesture() override;
 
     // Called when the controller is initialized
@@ -27,79 +29,6 @@ public:
     void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
 
 private:
-    static constexpr size_t MAX_FINGERS = 16;
-    static constexpr size_t MAX_POINTS = 4;
-
-    // This is nn::hid::GestureType
-    enum class GestureType : u32 {
-        Idle,     // Nothing touching the screen
-        Complete, // Set at the end of a touch event
-        Cancel,   // Set when the number of fingers change
-        Touch,    // A finger just touched the screen
-        Press,    // Set if last type is touch and the finger hasn't moved
-        Tap,      // Fast press then release
-        Pan,      // All points moving together across the screen
-        Swipe,    // Fast press movement and release of a single point
-        Pinch,    // All points moving away/closer to the midpoint
-        Rotate,   // All points rotating from the midpoint
-    };
-
-    // This is nn::hid::GestureDirection
-    enum class GestureDirection : u32 {
-        None,
-        Left,
-        Up,
-        Right,
-        Down,
-    };
-
-    // This is nn::hid::GestureAttribute
-    struct GestureAttribute {
-        union {
-            u32 raw{};
-
-            BitField<4, 1, u32> is_new_touch;
-            BitField<8, 1, u32> is_double_tap;
-        };
-    };
-    static_assert(sizeof(GestureAttribute) == 4, "GestureAttribute is an invalid size");
-
-    // This is nn::hid::GestureState
-    struct GestureState {
-        s64 sampling_number{};
-        s64 detection_count{};
-        GestureType type{GestureType::Idle};
-        GestureDirection direction{GestureDirection::None};
-        Common::Point<s32> pos{};
-        Common::Point<s32> delta{};
-        f32 vel_x{};
-        f32 vel_y{};
-        GestureAttribute attributes{};
-        f32 scale{};
-        f32 rotation_angle{};
-        s32 point_count{};
-        std::array<Common::Point<s32>, 4> points{};
-    };
-    static_assert(sizeof(GestureState) == 0x60, "GestureState is an invalid size");
-
-    struct GestureProperties {
-        std::array<Common::Point<s32>, MAX_POINTS> points{};
-        std::size_t active_points{};
-        Common::Point<s32> mid_point{};
-        s64 detection_count{};
-        u64 delta_time{};
-        f32 average_distance{};
-        f32 angle{};
-    };
-
-    struct GestureSharedMemory {
-        // This is nn::hid::detail::GestureLifo
-        Lifo<GestureState, hid_entry_count> gesture_lifo{};
-        static_assert(sizeof(gesture_lifo) == 0x708, "gesture_lifo is an invalid size");
-        INSERT_PADDING_WORDS(0x3E);
-    };
-    static_assert(sizeof(GestureSharedMemory) == 0x800, "GestureSharedMemory is an invalid size");
-
     // Reads input from all available input engines
     void ReadTouchInput();
 
@@ -142,7 +71,7 @@ private:
     GestureProperties GetGestureProperties();
 
     GestureState next_state{};
-    GestureSharedMemory* shared_memory = nullptr;
+    GestureSharedMemoryFormat& shared_memory;
     Core::HID::EmulatedConsole* console = nullptr;
 
     std::array<Core::HID::TouchFinger, MAX_POINTS> fingers{};
-- 
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