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hid/gesture: Factor out last gesture retrieval into its own function

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Deduplicates a commonly repeated expression.
This commit is contained in:
Lioncash 2021-05-18 03:59:41 -04:00
parent a9d8e24e47
commit 44556dc21a
2 changed files with 23 additions and 14 deletions
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31
src/core/hle/service/hid/controllers/gesture.cpp
View file

@ -154,8 +154,8 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
Attribute& attributes) {
const auto& last_entry =
shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
const auto& last_entry = GetLastGestureEntry();
gesture.detection_count++;
type = TouchType::Touch;
@ -168,8 +168,7 @@ void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, TouchType& type,
f32 time_difference) {
const auto& last_entry =
shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
const auto& last_entry = GetLastGestureEntry();
// Promote to pan type if touch moved
for (size_t id = 0; id < MAX_POINTS; id++) {
@ -204,8 +203,8 @@ void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, Touch
void Controller_Gesture::EndGesture(GestureProperties& gesture,
GestureProperties& last_gesture_props, TouchType& type,
Attribute& attributes, f32 time_difference) {
const auto& last_entry =
shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
const auto& last_entry = GetLastGestureEntry();
if (last_gesture_props.active_points != 0) {
switch (last_entry.type) {
case TouchType::Touch:
@ -255,10 +254,9 @@ void Controller_Gesture::UpdatePanEvent(GestureProperties& gesture,
GestureProperties& last_gesture_props, TouchType& type,
f32 time_difference) {
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 = gesture.mid_point - last_entry.pos;
const auto& last_entry = GetLastGestureEntry();
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;
last_pan_time_difference = time_difference;
@ -284,8 +282,7 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
GestureProperties& last_gesture_props, TouchType& type,
f32 time_difference) {
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];
const auto& last_entry = GetLastGestureEntry();
cur_entry.vel_x =
static_cast<f32>(last_entry.delta.x) / (last_pan_time_difference + time_difference);
cur_entry.vel_y =
@ -309,8 +306,8 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
void Controller_Gesture::SetSwipeEvent(GestureProperties& gesture,
GestureProperties& last_gesture_props, TouchType& type) {
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];
const auto& last_entry = GetLastGestureEntry();
type = TouchType::Swipe;
gesture = last_gesture_props;
force_update = true;
@ -353,6 +350,14 @@ std::optional<std::size_t> Controller_Gesture::GetUnusedFingerID() const {
return std::nullopt;
}
Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() {
return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
}
const Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() const {
return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
}
std::size_t Controller_Gesture::UpdateTouchInputEvent(
const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
const auto& [x, y, pressed] = touch_input;

6
src/core/hle/service/hid/controllers/gesture.h
View file

@ -162,7 +162,11 @@ private:
TouchType& type);
// Returns an unused finger id, if there is no fingers available std::nullopt is returned.
std::optional<size_t> GetUnusedFingerID() const;
[[nodiscard]] std::optional<size_t> GetUnusedFingerID() const;
// Retrieves the last gesture entry, as indicated by shared memory indices.
[[nodiscard]] GestureState& GetLastGestureEntry();
[[nodiscard]] const GestureState& GetLastGestureEntry() const;
/**
* If the touch is new it tries to assign a new finger id, if there is no fingers available no