common: Extract point into a common struct
This is generic enough that it can be moved into the Common class for reuse.
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@ -154,6 +154,7 @@ add_library(common STATIC
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param_package.cpp
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param_package.h
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parent_of_member.h
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point.h
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quaternion.h
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ring_buffer.h
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scm_rev.cpp
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@ -0,0 +1,57 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <type_traits>
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namespace Common {
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// Represents a point within a 2D space.
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template <typename T>
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struct Point {
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static_assert(std::is_arithmetic_v<T>, "T must be an arithmetic type!");
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T x{};
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T y{};
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#define ARITHMETIC_OP(op, compound_op) \
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friend constexpr Point operator op(const Point& lhs, const Point& rhs) noexcept { \
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return { \
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.x = static_cast<T>(lhs.x op rhs.x), \
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.y = static_cast<T>(lhs.y op rhs.y), \
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}; \
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} \
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friend constexpr Point operator op(const Point& lhs, T value) noexcept { \
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return { \
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.x = static_cast<T>(lhs.x op value), \
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.y = static_cast<T>(lhs.y op value), \
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}; \
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} \
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friend constexpr Point operator op(T value, const Point& rhs) noexcept { \
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return { \
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.x = static_cast<T>(value op rhs.x), \
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.y = static_cast<T>(value op rhs.y), \
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}; \
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} \
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friend constexpr Point& operator compound_op(Point& lhs, const Point& rhs) noexcept { \
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lhs.x = static_cast<T>(lhs.x op rhs.x); \
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lhs.y = static_cast<T>(lhs.y op rhs.y); \
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return lhs; \
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} \
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friend constexpr Point& operator compound_op(Point& lhs, T value) noexcept { \
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lhs.x = static_cast<T>(lhs.x op value); \
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lhs.y = static_cast<T>(lhs.y op value); \
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return lhs; \
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}
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ARITHMETIC_OP(+, +=)
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ARITHMETIC_OP(-, -=)
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ARITHMETIC_OP(*, *=)
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ARITHMETIC_OP(/, /=)
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#undef ARITHMETIC_OP
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friend constexpr bool operator==(const Point&, const Point&) = default;
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};
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} // namespace Common
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@ -7,6 +7,7 @@
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#include <array>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/point.h"
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#include "core/frontend/input.h"
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#include "core/hle/service/hid/controllers/controller_base.h"
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@ -63,44 +64,21 @@ private:
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};
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static_assert(sizeof(Attribute) == 4, "Attribute is an invalid size");
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template <typename T>
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struct Point {
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T x{};
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T y{};
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friend Point operator+(const Point& lhs, const Point& rhs) {
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return {
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.x = lhs.x + rhs.x,
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.y = lhs.y + rhs.y,
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};
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}
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friend Point operator-(const Point& lhs, const Point& rhs) {
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return {
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.x = lhs.x - rhs.x,
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.y = lhs.y - rhs.y,
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};
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}
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friend bool operator==(const Point&, const Point&) = default;
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};
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static_assert(sizeof(Point<s32_le>) == 8, "Point is an invalid size");
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struct GestureState {
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s64_le sampling_number;
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s64_le sampling_number2;
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s64_le detection_count;
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TouchType type;
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Direction direction;
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Point<s32_le> pos;
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Point<s32_le> delta;
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Common::Point<s32_le> pos;
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Common::Point<s32_le> delta;
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f32 vel_x;
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f32 vel_y;
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Attribute attributes;
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f32 scale;
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f32 rotation_angle;
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s32_le point_count;
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std::array<Point<s32_le>, 4> points;
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std::array<Common::Point<s32_le>, 4> points;
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};
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static_assert(sizeof(GestureState) == 0x68, "GestureState is an invalid size");
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@ -111,14 +89,14 @@ private:
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static_assert(sizeof(SharedMemory) == 0x708, "SharedMemory is an invalid size");
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struct Finger {
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Point<f32> pos{};
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Common::Point<f32> pos{};
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bool pressed{};
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};
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struct GestureProperties {
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std::array<Point<s32_le>, MAX_POINTS> points{};
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std::array<Common::Point<s32_le>, MAX_POINTS> points{};
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std::size_t active_points{};
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Point<s32_le> mid_point{};
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Common::Point<s32_le> mid_point{};
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s64_le detection_count{};
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u64_le delta_time{};
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f32 average_distance{};
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