Merge pull request #6331 from lioncash/gesture
hid/gesture: Simplify point related code
This commit is contained in:
commit
02169406be
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@ -91,8 +91,7 @@ bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
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// Update if coordinates change
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// Update if coordinates change
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for (size_t id = 0; id < MAX_POINTS; id++) {
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for (size_t id = 0; id < MAX_POINTS; id++) {
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if (gesture.points[id].x != last_gesture.points[id].x ||
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if (gesture.points[id] != last_gesture.points[id]) {
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gesture.points[id].y != last_gesture.points[id].y) {
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return true;
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return true;
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}
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}
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}
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}
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@ -124,8 +123,7 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
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cur_entry.sampling_number2 = cur_entry.sampling_number;
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cur_entry.sampling_number2 = cur_entry.sampling_number;
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// Reset values to default
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// Reset values to default
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cur_entry.delta_x = 0;
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cur_entry.delta = {};
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cur_entry.delta_y = 0;
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cur_entry.vel_x = 0;
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cur_entry.vel_x = 0;
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cur_entry.vel_y = 0;
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cur_entry.vel_y = 0;
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cur_entry.direction = Direction::None;
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cur_entry.direction = Direction::None;
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@ -146,13 +144,9 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
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cur_entry.detection_count = gesture.detection_count;
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cur_entry.detection_count = gesture.detection_count;
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cur_entry.type = type;
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cur_entry.type = type;
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cur_entry.attributes = attributes;
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cur_entry.attributes = attributes;
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cur_entry.x = gesture.mid_point.x;
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cur_entry.pos = gesture.mid_point;
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cur_entry.y = gesture.mid_point.y;
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cur_entry.point_count = static_cast<s32>(gesture.active_points);
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cur_entry.point_count = static_cast<s32>(gesture.active_points);
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for (size_t id = 0; id < MAX_POINTS; id++) {
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cur_entry.points = gesture.points;
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cur_entry.points[id].x = gesture.points[id].x;
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cur_entry.points[id].y = gesture.points[id].y;
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}
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last_gesture = gesture;
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last_gesture = gesture;
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std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
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std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
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@ -160,8 +154,8 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
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void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
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void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
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Attribute& attributes) {
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Attribute& attributes) {
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const auto& last_entry =
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const auto& last_entry = GetLastGestureEntry();
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shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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gesture.detection_count++;
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gesture.detection_count++;
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type = TouchType::Touch;
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type = TouchType::Touch;
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@ -174,13 +168,11 @@ void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
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void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, TouchType& type,
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void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, TouchType& type,
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f32 time_difference) {
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f32 time_difference) {
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const auto& last_entry =
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const auto& last_entry = GetLastGestureEntry();
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shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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// Promote to pan type if touch moved
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// Promote to pan type if touch moved
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for (size_t id = 0; id < MAX_POINTS; id++) {
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for (size_t id = 0; id < MAX_POINTS; id++) {
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if (gesture.points[id].x != last_gesture.points[id].x ||
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if (gesture.points[id] != last_gesture.points[id]) {
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gesture.points[id].y != last_gesture.points[id].y) {
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type = TouchType::Pan;
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type = TouchType::Pan;
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break;
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break;
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}
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}
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@ -192,10 +184,7 @@ void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, Touch
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enable_press_and_tap = false;
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enable_press_and_tap = false;
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gesture.active_points = 0;
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gesture.active_points = 0;
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gesture.mid_point = {};
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gesture.mid_point = {};
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for (size_t id = 0; id < MAX_POINTS; id++) {
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gesture.points.fill({});
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gesture.points[id].x = 0;
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gesture.points[id].y = 0;
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}
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return;
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return;
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}
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}
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@ -214,8 +203,8 @@ void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, Touch
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void Controller_Gesture::EndGesture(GestureProperties& gesture,
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void Controller_Gesture::EndGesture(GestureProperties& gesture,
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GestureProperties& last_gesture_props, TouchType& type,
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GestureProperties& last_gesture_props, TouchType& type,
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Attribute& attributes, f32 time_difference) {
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Attribute& attributes, f32 time_difference) {
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const auto& last_entry =
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const auto& last_entry = GetLastGestureEntry();
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shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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if (last_gesture_props.active_points != 0) {
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if (last_gesture_props.active_points != 0) {
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switch (last_entry.type) {
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switch (last_entry.type) {
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case TouchType::Touch:
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case TouchType::Touch:
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@ -265,13 +254,11 @@ void Controller_Gesture::UpdatePanEvent(GestureProperties& gesture,
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GestureProperties& last_gesture_props, TouchType& type,
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GestureProperties& last_gesture_props, TouchType& type,
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f32 time_difference) {
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f32 time_difference) {
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auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
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auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
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const auto& last_entry =
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const auto& last_entry = GetLastGestureEntry();
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shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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cur_entry.delta_x = gesture.mid_point.x - last_entry.x;
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cur_entry.delta_y = gesture.mid_point.y - last_entry.y;
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cur_entry.vel_x = static_cast<f32>(cur_entry.delta_x) / time_difference;
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cur_entry.delta = gesture.mid_point - last_entry.pos;
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cur_entry.vel_y = static_cast<f32>(cur_entry.delta_y) / time_difference;
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cur_entry.vel_x = static_cast<f32>(cur_entry.delta.x) / time_difference;
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cur_entry.vel_y = static_cast<f32>(cur_entry.delta.y) / time_difference;
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last_pan_time_difference = time_difference;
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last_pan_time_difference = time_difference;
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// Promote to pinch type
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// Promote to pinch type
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@ -295,12 +282,11 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
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GestureProperties& last_gesture_props, TouchType& type,
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GestureProperties& last_gesture_props, TouchType& type,
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f32 time_difference) {
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f32 time_difference) {
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auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
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auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
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const auto& last_entry =
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const auto& last_entry = GetLastGestureEntry();
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shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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cur_entry.vel_x =
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cur_entry.vel_x =
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static_cast<f32>(last_entry.delta_x) / (last_pan_time_difference + time_difference);
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static_cast<f32>(last_entry.delta.x) / (last_pan_time_difference + time_difference);
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cur_entry.vel_y =
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cur_entry.vel_y =
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static_cast<f32>(last_entry.delta_y) / (last_pan_time_difference + time_difference);
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static_cast<f32>(last_entry.delta.y) / (last_pan_time_difference + time_difference);
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const f32 curr_vel =
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const f32 curr_vel =
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std::sqrt((cur_entry.vel_x * cur_entry.vel_x) + (cur_entry.vel_y * cur_entry.vel_y));
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std::sqrt((cur_entry.vel_x * cur_entry.vel_x) + (cur_entry.vel_y * cur_entry.vel_y));
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@ -320,22 +306,22 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
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void Controller_Gesture::SetSwipeEvent(GestureProperties& gesture,
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void Controller_Gesture::SetSwipeEvent(GestureProperties& gesture,
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GestureProperties& last_gesture_props, TouchType& type) {
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GestureProperties& last_gesture_props, TouchType& type) {
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auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
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auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
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const auto& last_entry =
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const auto& last_entry = GetLastGestureEntry();
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shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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type = TouchType::Swipe;
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type = TouchType::Swipe;
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gesture = last_gesture_props;
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gesture = last_gesture_props;
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force_update = true;
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force_update = true;
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cur_entry.delta_x = last_entry.delta_x;
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cur_entry.delta = last_entry.delta;
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cur_entry.delta_y = last_entry.delta_y;
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if (std::abs(cur_entry.delta_x) > std::abs(cur_entry.delta_y)) {
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if (std::abs(cur_entry.delta.x) > std::abs(cur_entry.delta.y)) {
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if (cur_entry.delta_x > 0) {
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if (cur_entry.delta.x > 0) {
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cur_entry.direction = Direction::Right;
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cur_entry.direction = Direction::Right;
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return;
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return;
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}
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}
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cur_entry.direction = Direction::Left;
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cur_entry.direction = Direction::Left;
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return;
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return;
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}
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}
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if (cur_entry.delta_y > 0) {
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if (cur_entry.delta.y > 0) {
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cur_entry.direction = Direction::Down;
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cur_entry.direction = Direction::Down;
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return;
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return;
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}
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}
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@ -364,6 +350,14 @@ std::optional<std::size_t> Controller_Gesture::GetUnusedFingerID() const {
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return std::nullopt;
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return std::nullopt;
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}
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}
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Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() {
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return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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}
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const Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() const {
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return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
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}
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std::size_t Controller_Gesture::UpdateTouchInputEvent(
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std::size_t Controller_Gesture::UpdateTouchInputEvent(
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const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
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const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
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const auto& [x, y, pressed] = touch_input;
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const auto& [x, y, pressed] = touch_input;
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@ -381,8 +375,7 @@ std::size_t Controller_Gesture::UpdateTouchInputEvent(
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finger_id = first_free_id.value();
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finger_id = first_free_id.value();
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fingers[finger_id].pressed = true;
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fingers[finger_id].pressed = true;
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}
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}
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fingers[finger_id].x = x;
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fingers[finger_id].pos = {x, y};
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fingers[finger_id].y = y;
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return finger_id;
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return finger_id;
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}
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}
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@ -402,17 +395,18 @@ Controller_Gesture::GestureProperties Controller_Gesture::GetGestureProperties()
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static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
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static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
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for (size_t id = 0; id < gesture.active_points; ++id) {
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for (size_t id = 0; id < gesture.active_points; ++id) {
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gesture.points[id].x =
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const auto& [active_x, active_y] = active_fingers[id].pos;
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static_cast<s32>(active_fingers[id].x * Layout::ScreenUndocked::Width);
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gesture.points[id] = {
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gesture.points[id].y =
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.x = static_cast<s32>(active_x * Layout::ScreenUndocked::Width),
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static_cast<s32>(active_fingers[id].y * Layout::ScreenUndocked::Height);
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.y = static_cast<s32>(active_y * Layout::ScreenUndocked::Height),
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};
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// Hack: There is no touch in docked but games still allow it
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// Hack: There is no touch in docked but games still allow it
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if (Settings::values.use_docked_mode.GetValue()) {
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if (Settings::values.use_docked_mode.GetValue()) {
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gesture.points[id].x =
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gesture.points[id] = {
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static_cast<s32>(active_fingers[id].x * Layout::ScreenDocked::Width);
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.x = static_cast<s32>(active_x * Layout::ScreenDocked::Width),
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gesture.points[id].y =
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.y = static_cast<s32>(active_y * Layout::ScreenDocked::Height),
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static_cast<s32>(active_fingers[id].y * Layout::ScreenDocked::Height);
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};
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}
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}
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gesture.mid_point.x += static_cast<s32>(gesture.points[id].x / gesture.active_points);
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gesture.mid_point.x += static_cast<s32>(gesture.points[id].x / gesture.active_points);
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@ -63,11 +63,28 @@ private:
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};
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};
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static_assert(sizeof(Attribute) == 4, "Attribute is an invalid size");
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static_assert(sizeof(Attribute) == 4, "Attribute is an invalid size");
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struct Points {
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template <typename T>
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s32_le x;
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struct Point {
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s32_le y;
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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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static_assert(sizeof(Points) == 8, "Points is an invalid size");
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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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struct GestureState {
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s64_le sampling_number;
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s64_le sampling_number;
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@ -75,17 +92,15 @@ private:
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s64_le detection_count;
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s64_le detection_count;
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TouchType type;
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TouchType type;
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Direction direction;
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Direction direction;
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s32_le x;
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Point<s32_le> pos;
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s32_le y;
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Point<s32_le> delta;
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s32_le delta_x;
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s32_le delta_y;
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f32 vel_x;
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f32 vel_x;
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f32 vel_y;
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f32 vel_y;
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Attribute attributes;
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Attribute attributes;
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f32 scale;
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f32 scale;
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f32 rotation_angle;
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f32 rotation_angle;
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s32_le point_count;
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s32_le point_count;
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std::array<Points, 4> points;
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std::array<Point<s32_le>, 4> points;
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};
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};
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static_assert(sizeof(GestureState) == 0x68, "GestureState is an invalid size");
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static_assert(sizeof(GestureState) == 0x68, "GestureState is an invalid size");
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@ -96,15 +111,14 @@ private:
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static_assert(sizeof(SharedMemory) == 0x708, "SharedMemory is an invalid size");
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static_assert(sizeof(SharedMemory) == 0x708, "SharedMemory is an invalid size");
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struct Finger {
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struct Finger {
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f32 x{};
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Point<f32> pos{};
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f32 y{};
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bool pressed{};
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bool pressed{};
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};
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};
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struct GestureProperties {
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struct GestureProperties {
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std::array<Points, MAX_POINTS> points{};
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std::array<Point<s32_le>, MAX_POINTS> points{};
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std::size_t active_points{};
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std::size_t active_points{};
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Points mid_point{};
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Point<s32_le> mid_point{};
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s64_le detection_count{};
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s64_le detection_count{};
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u64_le delta_time{};
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u64_le delta_time{};
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f32 average_distance{};
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f32 average_distance{};
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@ -148,7 +162,11 @@ private:
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TouchType& type);
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TouchType& type);
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// Returns an unused finger id, if there is no fingers available std::nullopt is returned.
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// Returns an unused finger id, if there is no fingers available std::nullopt is returned.
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std::optional<size_t> GetUnusedFingerID() const;
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[[nodiscard]] std::optional<size_t> GetUnusedFingerID() const;
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// Retrieves the last gesture entry, as indicated by shared memory indices.
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[[nodiscard]] GestureState& GetLastGestureEntry();
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[[nodiscard]] const GestureState& GetLastGestureEntry() const;
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/**
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/**
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* If the touch is new it tries to assign a new finger id, if there is no fingers available no
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* If the touch is new it tries to assign a new finger id, if there is no fingers available no
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@ -166,10 +184,10 @@ private:
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std::unique_ptr<Input::TouchDevice> touch_mouse_device;
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std::unique_ptr<Input::TouchDevice> touch_mouse_device;
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std::unique_ptr<Input::TouchDevice> touch_udp_device;
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std::unique_ptr<Input::TouchDevice> touch_udp_device;
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std::unique_ptr<Input::TouchDevice> touch_btn_device;
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std::unique_ptr<Input::TouchDevice> touch_btn_device;
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std::array<size_t, MAX_FINGERS> mouse_finger_id;
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std::array<size_t, MAX_FINGERS> mouse_finger_id{};
|
||||||
std::array<size_t, MAX_FINGERS> keyboard_finger_id;
|
std::array<size_t, MAX_FINGERS> keyboard_finger_id{};
|
||||||
std::array<size_t, MAX_FINGERS> udp_finger_id;
|
std::array<size_t, MAX_FINGERS> udp_finger_id{};
|
||||||
std::array<Finger, MAX_POINTS> fingers;
|
std::array<Finger, MAX_POINTS> fingers{};
|
||||||
GestureProperties last_gesture{};
|
GestureProperties last_gesture{};
|
||||||
s64_le last_update_timestamp{};
|
s64_le last_update_timestamp{};
|
||||||
s64_le last_tap_timestamp{};
|
s64_le last_tap_timestamp{};
|
||||||
|
|
Reference in New Issue