From 38c48cf8d896f28f7424b28265110c34f69d2369 Mon Sep 17 00:00:00 2001 From: Narr the Reg Date: Sat, 5 Nov 2022 10:39:03 -0600 Subject: [PATCH] core: hid: Implement true multitouch support --- src/core/hid/emulated_console.cpp | 94 ++++++++++++++----- src/core/hid/emulated_console.h | 15 ++- src/core/hid/input_converter.cpp | 3 - .../helpers/touch_from_buttons.cpp | 9 +- src/input_common/input_poller.cpp | 18 ++-- 5 files changed, 93 insertions(+), 46 deletions(-) diff --git a/src/core/hid/emulated_console.cpp b/src/core/hid/emulated_console.cpp index aac45907d4..fb7e5802ab 100644 --- a/src/core/hid/emulated_console.cpp +++ b/src/core/hid/emulated_console.cpp @@ -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 + // We can't use mouse as touch if native mouse is enabled if (!Settings::values.mouse_enabled) { - // We can't use mouse as touch if native mouse is 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(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(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(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(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(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(touch_index.value()), + .pressed = touch_input.pressed.value, }; lock.unlock(); @@ -222,6 +250,28 @@ TouchFingerState EmulatedConsole::GetTouch() const { return console.touch_state; } +std::optional 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(finger_id)) { + return index; + } + } + return std::nullopt; +} + +std::optional 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) { diff --git a/src/core/hid/emulated_console.h b/src/core/hid/emulated_console.h index 1c510cd19d..697ecd2d6f 100644 --- a/src/core/hid/emulated_console.h +++ b/src/core/hid/emulated_console.h @@ -7,6 +7,7 @@ #include #include #include +#include #include #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; -using TouchDevices = std::array, 16>; +using TouchDevices = std::array, MaxTouchDevices>; using ConsoleMotionParams = Common::ParamPackage; -using TouchParams = std::array; +using TouchParams = std::array; using ConsoleMotionValues = ConsoleMotionInfo; -using TouchValues = std::array; +using TouchValues = std::array; struct TouchFinger { u64 last_touch{}; @@ -55,7 +58,7 @@ struct ConsoleMotion { bool is_at_rest{}; }; -using TouchFingerState = std::array; +using TouchFingerState = std::array; struct ConsoleStatus { // Data from input_common @@ -166,6 +169,10 @@ private: */ void SetTouch(const Common::Input::CallbackStatus& callback, std::size_t index); + std::optional GetIndexFromFingerId(std::size_t finger_id) const; + + std::optional GetNextFreeIndex() const; + /** * Triggers a callback that something has changed on the console status * @param type Input type of the event to trigger diff --git a/src/core/hid/input_converter.cpp b/src/core/hid/input_converter.cpp index 5d8b75b508..5026928753 100644 --- a/src/core/hid/input_converter.cpp +++ b/src/core/hid/input_converter.cpp @@ -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; } diff --git a/src/input_common/helpers/touch_from_buttons.cpp b/src/input_common/helpers/touch_from_buttons.cpp index da4a3dca57..003a38da51 100644 --- a/src/input_common/helpers/touch_from_buttons.cpp +++ b/src/input_common/helpers/touch_from_buttons.cpp @@ -10,8 +10,8 @@ namespace InputCommon { class TouchFromButtonDevice final : public Common::Input::InputDevice { public: using Button = std::unique_ptr; - 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 TouchFromButton::Create( const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize(); auto button = Common::Input::CreateDeviceFromString( 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(std::move(button), touch_id, x, y); + return std::make_unique(std::move(button), x, y); } } // namespace InputCommon diff --git a/src/input_common/input_poller.cpp b/src/input_common/input_poller.cpp index 4ac1821473..fb8be42e2e 100644 --- a/src/input_common/input_poller.cpp +++ b/src/input_common/input_poller.cpp @@ -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 InputFactory::CreateTriggerDevice( std::unique_ptr 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 InputFactory::CreateTouchDevice( input_engine->PreSetAxis(identifier, axis_x); input_engine->PreSetAxis(identifier, axis_y); input_engine->PreSetButton(identifier, button); - return std::make_unique(identifier, touch_id, button, toggle, inverted, axis_x, - axis_y, properties_x, properties_y, input_engine.get()); + return std::make_unique(identifier, button, toggle, inverted, axis_x, axis_y, + properties_x, properties_y, input_engine.get()); } std::unique_ptr InputFactory::CreateBatteryDevice(