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core: hid: Implement true multitouch support

merge-requests/60/head
Narr the Reg 2022-11-05 10:39:03 +07:00 committed by german77
parent 08091ff3e3
commit 38c48cf8d8
5 changed files with 93 additions and 46 deletions
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94
src/core/hid/emulated_console.cpp
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@ -19,27 +19,26 @@ void EmulatedConsole::ReloadFromSettings() {
}
void EmulatedConsole::SetTouchParams() {
// TODO(german77): Support any number of fingers
std::size_t index = 0;
// Hardcode mouse, touchscreen and cemuhook parameters
if (!Settings::values.mouse_enabled) {
// We can't use mouse as touch if native mouse is enabled
if (!Settings::values.mouse_enabled) {
touch_params[index++] = Common::ParamPackage{"engine:mouse,axis_x:10,axis_y:11,button:0"};
}
touch_params[index++] =
Common::ParamPackage{"engine:touch,axis_x:0,axis_y:1,button:0,touch_id:0"};
Common::ParamPackage{"engine:cemuhookudp,axis_x:17,axis_y:18,button:65536"};
touch_params[index++] =
Common::ParamPackage{"engine:touch,axis_x:2,axis_y:3,button:1,touch_id:1"};
touch_params[index++] =
Common::ParamPackage{"engine:touch,axis_x:4,axis_y:5,button:2,touch_id:2"};
touch_params[index++] =
Common::ParamPackage{"engine:touch,axis_x:6,axis_y:7,button:3,touch_id:3"};
touch_params[index++] =
Common::ParamPackage{"engine:cemuhookudp,axis_x:17,axis_y:18,button:65536,touch_id:0"};
touch_params[index++] =
Common::ParamPackage{"engine:cemuhookudp,axis_x:19,axis_y:20,button:131072,touch_id:1"};
Common::ParamPackage{"engine:cemuhookudp,axis_x:19,axis_y:20,button:131072"};
for (int i = 0; i < static_cast<int>(MaxActiveTouchInputs); i++) {
Common::ParamPackage touchscreen_param{};
touchscreen_param.Set("engine", "touch");
touchscreen_param.Set("axis_x", i * 2);
touchscreen_param.Set("axis_y", (i * 2) + 1);
touchscreen_param.Set("button", i);
touch_params[index++] = touchscreen_param;
}
const auto button_index =
static_cast<u64>(Settings::values.touch_from_button_map_index.GetValue());
@ -47,7 +46,7 @@ void EmulatedConsole::SetTouchParams() {
// Map the rest of the fingers from touch from button configuration
for (const auto& config_entry : touch_buttons) {
if (index >= touch_params.size()) {
if (index >= MaxTouchDevices) {
continue;
}
Common::ParamPackage params{config_entry};
@ -60,7 +59,6 @@ void EmulatedConsole::SetTouchParams() {
touch_button_params.Set("button", params.Serialize());
touch_button_params.Set("x", x);
touch_button_params.Set("y", y);
touch_button_params.Set("touch_id", static_cast<int>(index));
touch_params[index] = touch_button_params;
index++;
}
@ -178,12 +176,38 @@ void EmulatedConsole::SetMotion(const Common::Input::CallbackStatus& callback) {
}
void EmulatedConsole::SetTouch(const Common::Input::CallbackStatus& callback, std::size_t index) {
if (index >= console.touch_values.size()) {
if (index >= MaxTouchDevices) {
return;
}
std::unique_lock lock{mutex};
console.touch_values[index] = TransformToTouch(callback);
const auto touch_input = TransformToTouch(callback);
auto touch_index = GetIndexFromFingerId(index);
bool is_new_input = false;
if (!touch_index.has_value() && touch_input.pressed.value) {
touch_index = GetNextFreeIndex();
is_new_input = true;
}
// No free entries or invalid state. Ignore input
if (!touch_index.has_value()) {
return;
}
auto& touch_value = console.touch_values[touch_index.value()];
if (is_new_input) {
touch_value.pressed.value = true;
touch_value.id = static_cast<u32>(index);
}
touch_value.x = touch_input.x;
touch_value.y = touch_input.y;
if (!touch_input.pressed.value) {
touch_value.pressed.value = false;
}
if (is_configuring) {
lock.unlock();
@ -191,11 +215,15 @@ void EmulatedConsole::SetTouch(const Common::Input::CallbackStatus& callback, st
return;
}
// TODO(german77): Remap touch id in sequential order
console.touch_state[index] = {
.position = {console.touch_values[index].x.value, console.touch_values[index].y.value},
.id = static_cast<u32>(console.touch_values[index].id),
.pressed = console.touch_values[index].pressed.value,
// Touch outside allowed range. Ignore input
if (touch_index.value() >= MaxActiveTouchInputs) {
return;
}
console.touch_state[touch_index.value()] = {
.position = {touch_value.x.value, touch_value.y.value},
.id = static_cast<u32>(touch_index.value()),
.pressed = touch_input.pressed.value,
};
lock.unlock();
@ -222,6 +250,28 @@ TouchFingerState EmulatedConsole::GetTouch() const {
return console.touch_state;
}
std::optional<std::size_t> EmulatedConsole::GetIndexFromFingerId(std::size_t finger_id) const {
for (std::size_t index = 0; index < MaxTouchDevices; ++index) {
const auto& finger = console.touch_values[index];
if (!finger.pressed.value) {
continue;
}
if (finger.id == static_cast<int>(finger_id)) {
return index;
}
}
return std::nullopt;
}
std::optional<std::size_t> EmulatedConsole::GetNextFreeIndex() const {
for (std::size_t index = 0; index < MaxTouchDevices; ++index) {
if (!console.touch_values[index].pressed.value) {
return index;
}
}
return std::nullopt;
}
void EmulatedConsole::TriggerOnChange(ConsoleTriggerType type) {
std::scoped_lock lock{callback_mutex};
for (const auto& poller_pair : callback_list) {

15
src/core/hid/emulated_console.h
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@ -7,6 +7,7 @@
#include <functional>
#include <memory>
#include <mutex>
#include <optional>
#include <unordered_map>
#include "common/common_funcs.h"
@ -20,6 +21,8 @@
#include "core/hid/motion_input.h"
namespace Core::HID {
static constexpr std::size_t MaxTouchDevices = 32;
static constexpr std::size_t MaxActiveTouchInputs = 16;
struct ConsoleMotionInfo {
Common::Input::MotionStatus raw_status{};
@ -27,13 +30,13 @@ struct ConsoleMotionInfo {
};
using ConsoleMotionDevices = std::unique_ptr<Common::Input::InputDevice>;
using TouchDevices = std::array<std::unique_ptr<Common::Input::InputDevice>, 16>;
using TouchDevices = std::array<std::unique_ptr<Common::Input::InputDevice>, MaxTouchDevices>;
using ConsoleMotionParams = Common::ParamPackage;
using TouchParams = std::array<Common::ParamPackage, 16>;
using TouchParams = std::array<Common::ParamPackage, MaxTouchDevices>;
using ConsoleMotionValues = ConsoleMotionInfo;
using TouchValues = std::array<Common::Input::TouchStatus, 16>;
using TouchValues = std::array<Common::Input::TouchStatus, MaxTouchDevices>;
struct TouchFinger {
u64 last_touch{};
@ -55,7 +58,7 @@ struct ConsoleMotion {
bool is_at_rest{};
};
using TouchFingerState = std::array<TouchFinger, 16>;
using TouchFingerState = std::array<TouchFinger, MaxActiveTouchInputs>;
struct ConsoleStatus {
// Data from input_common
@ -166,6 +169,10 @@ private:
*/
void SetTouch(const Common::Input::CallbackStatus& callback, std::size_t index);
std::optional<std::size_t> GetIndexFromFingerId(std::size_t finger_id) const;
std::optional<std::size_t> GetNextFreeIndex() const;
/**
* Triggers a callback that something has changed on the console status
* @param type Input type of the event to trigger

3
src/core/hid/input_converter.cpp
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@ -200,9 +200,6 @@ Common::Input::TouchStatus TransformToTouch(const Common::Input::CallbackStatus&
x = std::clamp(x, 0.0f, 1.0f);
y = std::clamp(y, 0.0f, 1.0f);
// Limit id to maximum number of fingers
status.id = std::clamp(status.id, 0, 16);
if (status.pressed.inverted) {
status.pressed.value = !status.pressed.value;
}

9
src/input_common/helpers/touch_from_buttons.cpp
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@ -10,8 +10,8 @@ namespace InputCommon {
class TouchFromButtonDevice final : public Common::Input::InputDevice {
public:
using Button = std::unique_ptr<Common::Input::InputDevice>;
TouchFromButtonDevice(Button button_, int touch_id_, float x_, float y_)
: button(std::move(button_)), touch_id(touch_id_), x(x_), y(y_) {
TouchFromButtonDevice(Button button_, float x_, float y_)
: button(std::move(button_)), x(x_), y(y_) {
last_button_value = false;
button->SetCallback({
.on_change =
@ -34,7 +34,6 @@ public:
.pressed = button_status,
.x = {},
.y = {},
.id = touch_id,
};
status.x.properties = properties;
status.y.properties = properties;
@ -62,7 +61,6 @@ public:
private:
Button button;
bool last_button_value;
const int touch_id;
const float x;
const float y;
const Common::Input::AnalogProperties properties{0.0f, 1.0f, 0.5f, 0.0f, false};
@ -73,10 +71,9 @@ std::unique_ptr<Common::Input::InputDevice> TouchFromButton::Create(
const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
auto button = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
params.Get("button", null_engine));
const auto touch_id = params.Get("touch_id", 0);
const float x = params.Get("x", 0.0f) / 1280.0f;
const float y = params.Get("y", 0.0f) / 720.0f;
return std::make_unique<TouchFromButtonDevice>(std::move(button), touch_id, x, y);
return std::make_unique<TouchFromButtonDevice>(std::move(button), x, y);
}
} // namespace InputCommon

18
src/input_common/input_poller.cpp
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@ -229,13 +229,12 @@ private:
class InputFromTouch final : public Common::Input::InputDevice {
public:
explicit InputFromTouch(PadIdentifier identifier_, int touch_id_, int button_, bool toggle_,
bool inverted_, int axis_x_, int axis_y_,
Common::Input::AnalogProperties properties_x_,
explicit InputFromTouch(PadIdentifier identifier_, int button_, bool toggle_, bool inverted_,
int axis_x_, int axis_y_, Common::Input::AnalogProperties properties_x_,
Common::Input::AnalogProperties properties_y_,
InputEngine* input_engine_)
: identifier(identifier_), touch_id(touch_id_), button(button_), toggle(toggle_),
inverted(inverted_), axis_x(axis_x_), axis_y(axis_y_), properties_x(properties_x_),
: identifier(identifier_), button(button_), toggle(toggle_), inverted(inverted_),
axis_x(axis_x_), axis_y(axis_y_), properties_x(properties_x_),
properties_y(properties_y_), input_engine(input_engine_) {
UpdateCallback engine_callback{[this]() { OnChange(); }};
const InputIdentifier button_input_identifier{
@ -271,8 +270,7 @@ public:
}
Common::Input::TouchStatus GetStatus() const {
Common::Input::TouchStatus status;
status.id = touch_id;
Common::Input::TouchStatus status{};
status.pressed = {
.value = input_engine->GetButton(identifier, button),
.inverted = inverted,
@ -307,7 +305,6 @@ public:
private:
const PadIdentifier identifier;
const int touch_id;
const int button;
const bool toggle;
const bool inverted;
@ -919,7 +916,6 @@ std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateTriggerDevice(
std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateTouchDevice(
const Common::ParamPackage& params) {
const auto touch_id = params.Get("touch_id", 0);
const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
const auto range = std::clamp(params.Get("range", 1.0f), 0.25f, 1.50f);
const auto threshold = std::clamp(params.Get("threshold", 0.5f), 0.0f, 1.0f);
@ -954,8 +950,8 @@ std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateTouchDevice(
input_engine->PreSetAxis(identifier, axis_x);
input_engine->PreSetAxis(identifier, axis_y);
input_engine->PreSetButton(identifier, button);
return std::make_unique<InputFromTouch>(identifier, touch_id, button, toggle, inverted, axis_x,
axis_y, properties_x, properties_y, input_engine.get());
return std::make_unique<InputFromTouch>(identifier, button, toggle, inverted, axis_x, axis_y,
properties_x, properties_y, input_engine.get());
}
std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateBatteryDevice(