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Allow to return up to 16 touch inputs per engine

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This commit is contained in:
german 2021-01-01 12:32:29 -06:00
parent 390ee10eef
commit d8df9a16bd
10 changed files with 203 additions and 155 deletions
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8
src/core/frontend/emu_window.cpp
View file

@ -30,12 +30,14 @@ private:
class Device : public Input::TouchDevice {
public:
explicit Device(std::weak_ptr<TouchState>&& touch_state) : touch_state(touch_state) {}
std::tuple<float, float, bool> GetStatus() const override {
Input::TouchStatus GetStatus() const override {
Input::TouchStatus touch_status = {};
if (auto state = touch_state.lock()) {
std::lock_guard guard{state->mutex};
return std::make_tuple(state->touch_x, state->touch_y, state->touch_pressed);
touch_status[0] =
std::make_tuple(state->touch_x, state->touch_y, state->touch_pressed);
}
return std::make_tuple(0.0f, 0.0f, false);
return touch_status;
}
private:

7
src/core/frontend/input.h
View file

@ -163,10 +163,11 @@ using MotionStatus = std::tuple<Common::Vec3<float>, Common::Vec3<float>, Common
using MotionDevice = InputDevice<MotionStatus>;
/**
* A touch status is an object that returns a tuple of two floats and a bool. The floats are
* x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is pressed.
* A touch status is an object that returns an array of 16 tuple elements of two floats and a bool.
* The floats are x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is
* pressed.
*/
using TouchStatus = std::tuple<float, float, bool>;
using TouchStatus = std::array<std::tuple<float, float, bool>, 16>;
/**
* A touch device is an input device that returns a touch status object

116
src/core/hle/service/hid/controllers/touchscreen.cpp
View file

@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cstring>
#include "common/common_types.h"
#include "core/core_timing.h"
@ -16,7 +17,13 @@ constexpr std::size_t SHARED_MEMORY_OFFSET = 0x400;
Controller_Touchscreen::Controller_Touchscreen(Core::System& system) : ControllerBase(system) {}
Controller_Touchscreen::~Controller_Touchscreen() = default;
void Controller_Touchscreen::OnInit() {}
void Controller_Touchscreen::OnInit() {
for (size_t id = 0; id < MAX_FINGERS; id++) {
mouse_finger_id[id] = MAX_FINGERS;
keyboard_finger_id[id] = MAX_FINGERS;
udp_finger_id[id] = MAX_FINGERS;
}
}
void Controller_Touchscreen::OnRelease() {}
@ -40,32 +47,35 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
cur_entry.sampling_number = last_entry.sampling_number + 1;
cur_entry.sampling_number2 = cur_entry.sampling_number;
updateTouchInputEvent(touch_mouse_device->GetStatus(), mouse_finger_id);
updateTouchInputEvent(touch_btn_device->GetStatus(), keyboard_finger_id);
updateTouchInputEvent(touch_udp_device->GetStatus(), udp_finger_id);
std::array<Finger, 16> sorted_fingers;
size_t active_fingers = 0;
for (Finger finger : fingers) {
if (finger.pressed) {
sorted_fingers[active_fingers++] = finger;
}
const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
for (size_t id = 0; id < mouse_status.size(); id++) {
mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
keyboard_finger_id[id] = UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
}
std::array<Finger, 16> active_fingers;
const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
[](const auto& finger) { return finger.pressed; });
const auto active_fingers_count =
static_cast<size_t>(std::distance(active_fingers.begin(), end_iter));
const u64 tick = core_timing.GetCPUTicks();
cur_entry.entry_count = static_cast<s32_le>(active_fingers);
cur_entry.entry_count = static_cast<s32_le>(active_fingers_count);
for (size_t id = 0; id < MAX_FINGERS; id++) {
auto& touch_entry = cur_entry.states[id];
if (id < active_fingers) {
touch_entry.x = static_cast<u16>(sorted_fingers[id].x * Layout::ScreenUndocked::Width);
touch_entry.y = static_cast<u16>(sorted_fingers[id].y * Layout::ScreenUndocked::Height);
if (id < active_fingers_count) {
touch_entry.x = static_cast<u16>(active_fingers[id].x * Layout::ScreenUndocked::Width);
touch_entry.y = static_cast<u16>(active_fingers[id].y * Layout::ScreenUndocked::Height);
touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
touch_entry.delta_time = tick - sorted_fingers[id].last_touch;
sorted_fingers[id].last_touch = tick;
touch_entry.finger = sorted_fingers[id].id;
touch_entry.attribute.raw = sorted_fingers[id].attribute.raw;
touch_entry.delta_time = tick - active_fingers[id].last_touch;
active_fingers[id].last_touch = tick;
touch_entry.finger = active_fingers[id].id;
touch_entry.attribute.raw = active_fingers[id].attribute.raw;
} else {
// Clear touch entry
touch_entry.attribute.raw = 0;
@ -91,44 +101,50 @@ void Controller_Touchscreen::OnLoadInputDevices() {
}
}
void Controller_Touchscreen::updateTouchInputEvent(
const std::tuple<float, float, bool>& touch_input, size_t& finger_id) {
bool pressed = false;
float x, y;
std::tie(x, y, pressed) = touch_input;
if (pressed) {
if (finger_id == -1) {
int first_free_id = 0;
int found = false;
while (!found && first_free_id < MAX_FINGERS) {
if (!fingers[first_free_id].pressed) {
found = true;
} else {
first_free_id++;
}
}
if (found) {
finger_id = first_free_id;
fingers[finger_id].x = x;
fingers[finger_id].y = y;
fingers[finger_id].pressed = true;
fingers[finger_id].id = static_cast<u32_le>(finger_id);
fingers[finger_id].attribute.start_touch.Assign(1);
}
std::optional<size_t> Controller_Touchscreen::GetUnusedFingerID() const {
size_t first_free_id = 0;
while (first_free_id < MAX_FINGERS) {
if (!fingers[first_free_id].pressed) {
return first_free_id;
} else {
fingers[finger_id].x = x;
fingers[finger_id].y = y;
fingers[finger_id].attribute.raw = 0;
first_free_id++;
}
} else if (finger_id != -1) {
}
return std::nullopt;
}
size_t Controller_Touchscreen::UpdateTouchInputEvent(
const std::tuple<float, float, bool>& touch_input, size_t finger_id) {
const auto& [x, y, pressed] = touch_input;
if (pressed) {
Attributes attribute = {};
if (finger_id == MAX_FINGERS) {
const auto first_free_id = GetUnusedFingerID();
if (!first_free_id) {
// Invalid finger id do nothing
return MAX_FINGERS;
}
finger_id = first_free_id.value();
fingers[finger_id].pressed = true;
fingers[finger_id].id = static_cast<u32_le>(finger_id);
attribute.start_touch.Assign(1);
}
fingers[finger_id].x = x;
fingers[finger_id].y = y;
fingers[finger_id].attribute = attribute;
return finger_id;
}
if (finger_id != MAX_FINGERS) {
if (!fingers[finger_id].attribute.end_touch) {
fingers[finger_id].attribute.end_touch.Assign(1);
fingers[finger_id].attribute.start_touch.Assign(0);
} else {
fingers[finger_id].pressed = false;
finger_id = -1;
return finger_id;
}
fingers[finger_id].pressed = false;
}
return MAX_FINGERS;
}
} // namespace Service::HID

16
src/core/hle/service/hid/controllers/touchscreen.h
View file

@ -30,13 +30,17 @@ public:
void OnLoadInputDevices() override;
private:
static constexpr size_t MAX_FINGERS = 16;
// Returns an unused finger id, if there is no fingers available std::nullopt will be returned
std::optional<size_t> GetUnusedFingerID() const;
// If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
// changes will be made. Updates the coordinates if the finger id it's already set. If the touch
// ends delays the output by one frame to set the end_touch flag before finally freeing the
// finger id
void updateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
size_t& finger_id);
static const size_t MAX_FINGERS = 16;
size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
size_t finger_id);
struct Attributes {
union {
@ -88,9 +92,9 @@ private:
std::unique_ptr<Input::TouchDevice> touch_mouse_device;
std::unique_ptr<Input::TouchDevice> touch_udp_device;
std::unique_ptr<Input::TouchDevice> touch_btn_device;
size_t mouse_finger_id{-1};
size_t keyboard_finger_id{-1};
size_t udp_finger_id{-1};
std::array<size_t, MAX_FINGERS> mouse_finger_id;
std::array<size_t, MAX_FINGERS> keyboard_finger_id;
std::array<size_t, MAX_FINGERS> udp_finger_id;
std::array<Finger, MAX_FINGERS> fingers;
};
} // namespace Service::HID