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hid/gesture: Make Point a template

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We can now use this in a generic context to reuse it with the finger
position.
This commit is contained in:
Lioncash 2021-05-17 15:15:07 -04:00
parent 20699e90fa
commit 74f30c0223
2 changed files with 46 additions and 38 deletions
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49
src/core/hle/service/hid/controllers/gesture.cpp
View file

@ -123,8 +123,7 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
cur_entry.sampling_number2 = cur_entry.sampling_number;
// Reset values to default
cur_entry.delta_x = 0;
cur_entry.delta_y = 0;
cur_entry.delta = {};
cur_entry.vel_x = 0;
cur_entry.vel_y = 0;
cur_entry.direction = Direction::None;
@ -147,10 +146,7 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
cur_entry.attributes = attributes;
cur_entry.pos = gesture.mid_point;
cur_entry.point_count = static_cast<s32>(gesture.active_points);
for (size_t id = 0; id < MAX_POINTS; id++) {
cur_entry.points[id].x = gesture.points[id].x;
cur_entry.points[id].y = gesture.points[id].y;
}
cur_entry.points = gesture.points;
last_gesture = gesture;
std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
@ -261,11 +257,10 @@ void Controller_Gesture::UpdatePanEvent(GestureProperties& gesture,
auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
const auto& last_entry =
shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
cur_entry.delta_x = gesture.mid_point.x - last_entry.pos.x;
cur_entry.delta_y = gesture.mid_point.y - last_entry.pos.y;
cur_entry.delta = gesture.mid_point - last_entry.pos;
cur_entry.vel_x = static_cast<f32>(cur_entry.delta_x) / time_difference;
cur_entry.vel_y = static_cast<f32>(cur_entry.delta_y) / time_difference;
cur_entry.vel_x = static_cast<f32>(cur_entry.delta.x) / time_difference;
cur_entry.vel_y = static_cast<f32>(cur_entry.delta.y) / time_difference;
last_pan_time_difference = time_difference;
// Promote to pinch type
@ -292,9 +287,9 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
const auto& last_entry =
shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
cur_entry.vel_x =
static_cast<f32>(last_entry.delta_x) / (last_pan_time_difference + time_difference);
static_cast<f32>(last_entry.delta.x) / (last_pan_time_difference + time_difference);
cur_entry.vel_y =
static_cast<f32>(last_entry.delta_y) / (last_pan_time_difference + time_difference);
static_cast<f32>(last_entry.delta.y) / (last_pan_time_difference + time_difference);
const f32 curr_vel =
std::sqrt((cur_entry.vel_x * cur_entry.vel_x) + (cur_entry.vel_y * cur_entry.vel_y));
@ -319,17 +314,17 @@ void Controller_Gesture::SetSwipeEvent(GestureProperties& gesture,
type = TouchType::Swipe;
gesture = last_gesture_props;
force_update = true;
cur_entry.delta_x = last_entry.delta_x;
cur_entry.delta_y = last_entry.delta_y;
if (std::abs(cur_entry.delta_x) > std::abs(cur_entry.delta_y)) {
if (cur_entry.delta_x > 0) {
cur_entry.delta = last_entry.delta;
if (std::abs(cur_entry.delta.x) > std::abs(cur_entry.delta.y)) {
if (cur_entry.delta.x > 0) {
cur_entry.direction = Direction::Right;
return;
}
cur_entry.direction = Direction::Left;
return;
}
if (cur_entry.delta_y > 0) {
if (cur_entry.delta.y > 0) {
cur_entry.direction = Direction::Down;
return;
}
@ -375,8 +370,7 @@ std::size_t Controller_Gesture::UpdateTouchInputEvent(
finger_id = first_free_id.value();
fingers[finger_id].pressed = true;
}
fingers[finger_id].x = x;
fingers[finger_id].y = y;
fingers[finger_id].pos = {x, y};
return finger_id;
}
@ -396,17 +390,18 @@ Controller_Gesture::GestureProperties Controller_Gesture::GetGestureProperties()
static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
for (size_t id = 0; id < gesture.active_points; ++id) {
gesture.points[id].x =
static_cast<s32>(active_fingers[id].x * Layout::ScreenUndocked::Width);
gesture.points[id].y =
static_cast<s32>(active_fingers[id].y * Layout::ScreenUndocked::Height);
const auto& [active_x, active_y] = active_fingers[id].pos;
gesture.points[id] = {
.x = static_cast<s32>(active_x * Layout::ScreenUndocked::Width),
.y = static_cast<s32>(active_y * Layout::ScreenUndocked::Height),
};
// Hack: There is no touch in docked but games still allow it
if (Settings::values.use_docked_mode.GetValue()) {
gesture.points[id].x =
static_cast<s32>(active_fingers[id].x * Layout::ScreenDocked::Width);
gesture.points[id].y =
static_cast<s32>(active_fingers[id].y * Layout::ScreenDocked::Height);
gesture.points[id] = {
.x = static_cast<s32>(active_x * Layout::ScreenDocked::Width),
.y = static_cast<s32>(active_y * Layout::ScreenDocked::Height),
};
}
gesture.mid_point.x += static_cast<s32>(gesture.points[id].x / gesture.active_points);

35
src/core/hle/service/hid/controllers/gesture.h
View file

@ -63,13 +63,28 @@ private:
};
static_assert(sizeof(Attribute) == 4, "Attribute is an invalid size");
template <typename T>
struct Point {
s32_le x{};
s32_le y{};
T x{};
T y{};
friend Point operator+(const Point& lhs, const Point& rhs) {
return {
.x = lhs.x + rhs.x,
.y = lhs.y + rhs.y,
};
}
friend Point operator-(const Point& lhs, const Point& rhs) {
return {
.x = lhs.x - rhs.x,
.y = lhs.y - rhs.y,
};
}
friend bool operator==(const Point&, const Point&) = default;
};
static_assert(sizeof(Point) == 8, "Point is an invalid size");
static_assert(sizeof(Point<s32_le>) == 8, "Point is an invalid size");
struct GestureState {
s64_le sampling_number;
@ -77,16 +92,15 @@ private:
s64_le detection_count;
TouchType type;
Direction direction;
Point pos;
s32_le delta_x;
s32_le delta_y;
Point<s32_le> pos;
Point<s32_le> delta;
f32 vel_x;
f32 vel_y;
Attribute attributes;
f32 scale;
f32 rotation_angle;
s32_le point_count;
std::array<Point, 4> points;
std::array<Point<s32_le>, 4> points;
};
static_assert(sizeof(GestureState) == 0x68, "GestureState is an invalid size");
@ -97,15 +111,14 @@ private:
static_assert(sizeof(SharedMemory) == 0x708, "SharedMemory is an invalid size");
struct Finger {
f32 x{};
f32 y{};
Point<f32> pos{};
bool pressed{};
};
struct GestureProperties {
std::array<Point, MAX_POINTS> points{};
std::array<Point<s32_le>, MAX_POINTS> points{};
std::size_t active_points{};
Point mid_point{};
Point<s32_le> mid_point{};
s64_le detection_count{};
u64_le delta_time{};
f32 average_distance{};