From ee847f8ff0b1b0aec39c1b78c010bc0c08a0a613 Mon Sep 17 00:00:00 2001 From: Narr the Reg Date: Thu, 4 Jan 2024 20:37:43 -0600 Subject: hid_core: Move hid to it's own subproject --- src/core/hle/service/hid/controllers/gesture.cpp | 366 ----------------------- 1 file changed, 366 deletions(-) delete mode 100644 src/core/hle/service/hid/controllers/gesture.cpp (limited to 'src/core/hle/service/hid/controllers/gesture.cpp') diff --git a/src/core/hle/service/hid/controllers/gesture.cpp b/src/core/hle/service/hid/controllers/gesture.cpp deleted file mode 100644 index c73da13ee..000000000 --- a/src/core/hle/service/hid/controllers/gesture.cpp +++ /dev/null @@ -1,366 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include "common/math_util.h" -#include "common/settings.h" -#include "core/frontend/emu_window.h" -#include "core/hid/emulated_console.h" -#include "core/hid/hid_core.h" -#include "core/hle/service/hid/controllers/applet_resource.h" -#include "core/hle/service/hid/controllers/gesture.h" -#include "core/hle/service/hid/controllers/types/shared_memory_format.h" - -namespace Service::HID { -// HW is around 700, value is set to 400 to make it easier to trigger with mouse -constexpr f32 swipe_threshold = 400.0f; // Threshold in pixels/s -constexpr f32 angle_threshold = 0.015f; // Threshold in radians -constexpr f32 pinch_threshold = 0.5f; // Threshold in pixels -constexpr f32 press_delay = 0.5f; // Time in seconds -constexpr f32 double_tap_delay = 0.35f; // Time in seconds - -constexpr f32 Square(s32 num) { - return static_cast(num * num); -} - -Gesture::Gesture(Core::HID::HIDCore& hid_core_) : ControllerBase(hid_core_) { - console = hid_core.GetEmulatedConsole(); -} -Gesture::~Gesture() = default; - -void Gesture::OnInit() { - std::scoped_lock shared_lock{*shared_mutex}; - const u64 aruid = applet_resource->GetActiveAruid(); - auto* data = applet_resource->GetAruidData(aruid); - - if (data == nullptr || !data->flag.is_assigned) { - return; - } - - shared_memory = &data->shared_memory_format->gesture; - shared_memory->gesture_lifo.buffer_count = 0; - shared_memory->gesture_lifo.buffer_tail = 0; - force_update = true; -} - -void Gesture::OnRelease() {} - -void Gesture::OnUpdate(const Core::Timing::CoreTiming& core_timing) { - std::scoped_lock shared_lock{*shared_mutex}; - const u64 aruid = applet_resource->GetActiveAruid(); - auto* data = applet_resource->GetAruidData(aruid); - - if (data == nullptr || !data->flag.is_assigned) { - return; - } - - shared_memory = &data->shared_memory_format->gesture; - - if (!IsControllerActivated()) { - shared_memory->gesture_lifo.buffer_count = 0; - shared_memory->gesture_lifo.buffer_tail = 0; - return; - } - - ReadTouchInput(); - - GestureProperties gesture = GetGestureProperties(); - f32 time_difference = - static_cast(shared_memory->gesture_lifo.timestamp - last_update_timestamp) / - (1000 * 1000 * 1000); - - // Only update if necessary - if (!ShouldUpdateGesture(gesture, time_difference)) { - return; - } - - last_update_timestamp = shared_memory->gesture_lifo.timestamp; - UpdateGestureSharedMemory(gesture, time_difference); -} - -void Gesture::ReadTouchInput() { - if (!Settings::values.touchscreen.enabled) { - fingers = {}; - return; - } - - const auto touch_status = console->GetTouch(); - for (std::size_t id = 0; id < fingers.size(); ++id) { - fingers[id] = touch_status[id]; - } -} - -bool Gesture::ShouldUpdateGesture(const GestureProperties& gesture, f32 time_difference) { - const auto& last_entry = GetLastGestureEntry(); - if (force_update) { - force_update = false; - return true; - } - - // Update if coordinates change - for (size_t id = 0; id < MAX_POINTS; id++) { - if (gesture.points[id] != last_gesture.points[id]) { - return true; - } - } - - // Update on press and hold event after 0.5 seconds - if (last_entry.type == GestureType::Touch && last_entry.point_count == 1 && - time_difference > press_delay) { - return enable_press_and_tap; - } - - return false; -} - -void Gesture::UpdateGestureSharedMemory(GestureProperties& gesture, f32 time_difference) { - GestureType type = GestureType::Idle; - GestureAttribute attributes{}; - - const auto& last_entry = shared_memory->gesture_lifo.ReadCurrentEntry().state; - - // Reset next state to default - next_state.sampling_number = last_entry.sampling_number + 1; - next_state.delta = {}; - next_state.vel_x = 0; - next_state.vel_y = 0; - next_state.direction = GestureDirection::None; - next_state.rotation_angle = 0; - next_state.scale = 0; - - if (gesture.active_points > 0) { - if (last_gesture.active_points == 0) { - NewGesture(gesture, type, attributes); - } else { - UpdateExistingGesture(gesture, type, time_difference); - } - } else { - EndGesture(gesture, last_gesture, type, attributes, time_difference); - } - - // Apply attributes - next_state.detection_count = gesture.detection_count; - next_state.type = type; - next_state.attributes = attributes; - next_state.pos = gesture.mid_point; - next_state.point_count = static_cast(gesture.active_points); - next_state.points = gesture.points; - last_gesture = gesture; - - shared_memory->gesture_lifo.WriteNextEntry(next_state); -} - -void Gesture::NewGesture(GestureProperties& gesture, GestureType& type, - GestureAttribute& attributes) { - const auto& last_entry = GetLastGestureEntry(); - - gesture.detection_count++; - type = GestureType::Touch; - - // New touch after cancel is not considered new - if (last_entry.type != GestureType::Cancel) { - attributes.is_new_touch.Assign(1); - enable_press_and_tap = true; - } -} - -void Gesture::UpdateExistingGesture(GestureProperties& gesture, GestureType& type, - f32 time_difference) { - const auto& last_entry = GetLastGestureEntry(); - - // Promote to pan type if touch moved - for (size_t id = 0; id < MAX_POINTS; id++) { - if (gesture.points[id] != last_gesture.points[id]) { - type = GestureType::Pan; - break; - } - } - - // Number of fingers changed cancel the last event and clear data - if (gesture.active_points != last_gesture.active_points) { - type = GestureType::Cancel; - enable_press_and_tap = false; - gesture.active_points = 0; - gesture.mid_point = {}; - gesture.points.fill({}); - return; - } - - // Calculate extra parameters of panning - if (type == GestureType::Pan) { - UpdatePanEvent(gesture, last_gesture, type, time_difference); - return; - } - - // Promote to press type - if (last_entry.type == GestureType::Touch) { - type = GestureType::Press; - } -} - -void Gesture::EndGesture(GestureProperties& gesture, GestureProperties& last_gesture_props, - GestureType& type, GestureAttribute& attributes, f32 time_difference) { - const auto& last_entry = GetLastGestureEntry(); - - if (last_gesture_props.active_points != 0) { - switch (last_entry.type) { - case GestureType::Touch: - if (enable_press_and_tap) { - SetTapEvent(gesture, last_gesture_props, type, attributes); - return; - } - type = GestureType::Cancel; - force_update = true; - break; - case GestureType::Press: - case GestureType::Tap: - case GestureType::Swipe: - case GestureType::Pinch: - case GestureType::Rotate: - type = GestureType::Complete; - force_update = true; - break; - case GestureType::Pan: - EndPanEvent(gesture, last_gesture_props, type, time_difference); - break; - default: - break; - } - return; - } - if (last_entry.type == GestureType::Complete || last_entry.type == GestureType::Cancel) { - gesture.detection_count++; - } -} - -void Gesture::SetTapEvent(GestureProperties& gesture, GestureProperties& last_gesture_props, - GestureType& type, GestureAttribute& attributes) { - type = GestureType::Tap; - gesture = last_gesture_props; - force_update = true; - f32 tap_time_difference = - static_cast(last_update_timestamp - last_tap_timestamp) / (1000 * 1000 * 1000); - last_tap_timestamp = last_update_timestamp; - if (tap_time_difference < double_tap_delay) { - attributes.is_double_tap.Assign(1); - } -} - -void Gesture::UpdatePanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props, - GestureType& type, f32 time_difference) { - const auto& last_entry = GetLastGestureEntry(); - - next_state.delta = gesture.mid_point - last_entry.pos; - next_state.vel_x = static_cast(next_state.delta.x) / time_difference; - next_state.vel_y = static_cast(next_state.delta.y) / time_difference; - last_pan_time_difference = time_difference; - - // Promote to pinch type - if (std::abs(gesture.average_distance - last_gesture_props.average_distance) > - pinch_threshold) { - type = GestureType::Pinch; - next_state.scale = gesture.average_distance / last_gesture_props.average_distance; - } - - const f32 angle_between_two_lines = std::atan((gesture.angle - last_gesture_props.angle) / - (1 + (gesture.angle * last_gesture_props.angle))); - // Promote to rotate type - if (std::abs(angle_between_two_lines) > angle_threshold) { - type = GestureType::Rotate; - next_state.scale = 0; - next_state.rotation_angle = angle_between_two_lines * 180.0f / Common::PI; - } -} - -void Gesture::EndPanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props, - GestureType& type, f32 time_difference) { - const auto& last_entry = GetLastGestureEntry(); - next_state.vel_x = - static_cast(last_entry.delta.x) / (last_pan_time_difference + time_difference); - next_state.vel_y = - static_cast(last_entry.delta.y) / (last_pan_time_difference + time_difference); - const f32 curr_vel = - std::sqrt((next_state.vel_x * next_state.vel_x) + (next_state.vel_y * next_state.vel_y)); - - // Set swipe event with parameters - if (curr_vel > swipe_threshold) { - SetSwipeEvent(gesture, last_gesture_props, type); - return; - } - - // End panning without swipe - type = GestureType::Complete; - next_state.vel_x = 0; - next_state.vel_y = 0; - force_update = true; -} - -void Gesture::SetSwipeEvent(GestureProperties& gesture, GestureProperties& last_gesture_props, - GestureType& type) { - const auto& last_entry = GetLastGestureEntry(); - - type = GestureType::Swipe; - gesture = last_gesture_props; - force_update = true; - next_state.delta = last_entry.delta; - - if (std::abs(next_state.delta.x) > std::abs(next_state.delta.y)) { - if (next_state.delta.x > 0) { - next_state.direction = GestureDirection::Right; - return; - } - next_state.direction = GestureDirection::Left; - return; - } - if (next_state.delta.y > 0) { - next_state.direction = GestureDirection::Down; - return; - } - next_state.direction = GestureDirection::Up; -} - -const GestureState& Gesture::GetLastGestureEntry() const { - return shared_memory->gesture_lifo.ReadCurrentEntry().state; -} - -GestureProperties Gesture::GetGestureProperties() { - GestureProperties gesture; - std::array active_fingers; - const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(), - [](const auto& finger) { return finger.pressed; }); - gesture.active_points = - static_cast(std::distance(active_fingers.begin(), end_iter)); - - for (size_t id = 0; id < gesture.active_points; ++id) { - const auto& [active_x, active_y] = active_fingers[id].position; - gesture.points[id] = { - .x = static_cast(active_x * Layout::ScreenUndocked::Width), - .y = static_cast(active_y * Layout::ScreenUndocked::Height), - }; - - // Hack: There is no touch in docked but games still allow it - if (Settings::IsDockedMode()) { - gesture.points[id] = { - .x = static_cast(active_x * Layout::ScreenDocked::Width), - .y = static_cast(active_y * Layout::ScreenDocked::Height), - }; - } - - gesture.mid_point.x += static_cast(gesture.points[id].x / gesture.active_points); - gesture.mid_point.y += static_cast(gesture.points[id].y / gesture.active_points); - } - - for (size_t id = 0; id < gesture.active_points; ++id) { - const f32 distance = std::sqrt(Square(gesture.mid_point.x - gesture.points[id].x) + - Square(gesture.mid_point.y - gesture.points[id].y)); - gesture.average_distance += distance / static_cast(gesture.active_points); - } - - gesture.angle = std::atan2(static_cast(gesture.mid_point.y - gesture.points[0].y), - static_cast(gesture.mid_point.x - gesture.points[0].x)); - - gesture.detection_count = last_gesture.detection_count; - - return gesture; -} - -} // namespace Service::HID -- cgit v1.2.3