InputCommon: add AnalogFromButton
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38e800f70d
commit
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@ -8,6 +8,7 @@
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#include "citra/default_ini.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "common/param_package.h"
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#include "config.h"
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#include "core/settings.h"
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#include "input_common/main.h"
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@ -44,6 +45,15 @@ static const std::array<int, Settings::NativeButton::NumButtons> default_buttons
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SDL_SCANCODE_M, SDL_SCANCODE_N, SDL_SCANCODE_1, SDL_SCANCODE_2, SDL_SCANCODE_B,
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};
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static const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> default_analogs{{
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{
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SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT, SDL_SCANCODE_D,
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},
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{
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SDL_SCANCODE_I, SDL_SCANCODE_K, SDL_SCANCODE_J, SDL_SCANCODE_L, SDL_SCANCODE_D,
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},
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}};
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void Config::ReadValues() {
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// Controls
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for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
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@ -54,6 +64,16 @@ void Config::ReadValues() {
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Settings::values.buttons[i] = default_param;
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}
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for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
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std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
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default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
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default_analogs[i][3], default_analogs[i][4], 0.5f);
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Settings::values.analogs[i] =
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sdl2_config->Get("Controls", Settings::NativeAnalog::mapping[i], default_param);
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if (Settings::values.analogs[i].empty())
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Settings::values.analogs[i] = default_param;
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}
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// Core
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Settings::values.use_cpu_jit = sdl2_config->GetBoolean("Core", "use_cpu_jit", true);
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@ -22,6 +22,15 @@ const std::array<int, Settings::NativeButton::NumButtons> Config::default_button
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Qt::Key_Q, Qt::Key_W, Qt::Key_M, Qt::Key_N, Qt::Key_1, Qt::Key_2, Qt::Key_B,
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};
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const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> Config::default_analogs{{
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{
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Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right, Qt::Key_D,
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},
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{
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Qt::Key_I, Qt::Key_K, Qt::Key_J, Qt::Key_L, Qt::Key_D,
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},
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}};
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void Config::ReadValues() {
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qt_config->beginGroup("Controls");
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for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
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@ -34,6 +43,20 @@ void Config::ReadValues() {
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if (Settings::values.buttons[i].empty())
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Settings::values.buttons[i] = default_param;
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}
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for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
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std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
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default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
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default_analogs[i][3], default_analogs[i][4], 0.5f);
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Settings::values.analogs[i] =
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qt_config
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->value(Settings::NativeAnalog::mapping[i], QString::fromStdString(default_param))
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.toString()
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.toStdString();
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if (Settings::values.analogs[i].empty())
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Settings::values.analogs[i] = default_param;
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}
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qt_config->endGroup();
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qt_config->beginGroup("Core");
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@ -158,6 +181,10 @@ void Config::SaveValues() {
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qt_config->setValue(QString::fromStdString(Settings::NativeButton::mapping[i]),
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QString::fromStdString(Settings::values.buttons[i]));
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}
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for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
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qt_config->setValue(QString::fromStdString(Settings::NativeAnalog::mapping[i]),
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QString::fromStdString(Settings::values.analogs[i]));
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}
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qt_config->endGroup();
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qt_config->beginGroup("Core");
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@ -24,5 +24,7 @@ public:
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void Reload();
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void Save();
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static const std::array<int, Settings::NativeButton::NumButtons> default_buttons;
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static const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> default_analogs;
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};
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@ -1,9 +1,11 @@
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set(SRCS
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analog_from_button.cpp
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keyboard.cpp
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main.cpp
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)
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set(HEADERS
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analog_from_button.h
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keyboard.h
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main.h
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)
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@ -0,0 +1,58 @@
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// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "input_common/analog_from_button.h"
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namespace InputCommon {
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class Analog final : public Input::AnalogDevice {
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public:
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using Button = std::unique_ptr<Input::ButtonDevice>;
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Analog(Button up_, Button down_, Button left_, Button right_, Button modifier_,
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float modifier_scale_)
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: up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
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right(std::move(right_)), modifier(std::move(modifier_)),
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modifier_scale(modifier_scale_) {}
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std::tuple<float, float> GetStatus() const override {
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constexpr float SQRT_HALF = 0.707106781f;
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int x = 0, y = 0;
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if (right->GetStatus())
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++x;
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if (left->GetStatus())
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--x;
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if (up->GetStatus())
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++y;
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if (down->GetStatus())
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--y;
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float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
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return std::make_tuple(x * coef * (y == 0 ? 1.0f : SQRT_HALF),
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y * coef * (x == 0 ? 1.0f : SQRT_HALF));
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}
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private:
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Button up;
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Button down;
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Button left;
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Button right;
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Button modifier;
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float modifier_scale;
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};
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std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::ParamPackage& params) {
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const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
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auto up = Input::CreateDevice<Input::ButtonDevice>(params.Get("up", null_engine));
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auto down = Input::CreateDevice<Input::ButtonDevice>(params.Get("down", null_engine));
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auto left = Input::CreateDevice<Input::ButtonDevice>(params.Get("left", null_engine));
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auto right = Input::CreateDevice<Input::ButtonDevice>(params.Get("right", null_engine));
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auto modifier = Input::CreateDevice<Input::ButtonDevice>(params.Get("modifier", null_engine));
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auto modifier_scale = params.Get("modifier_scale", 0.5f);
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return std::make_unique<Analog>(std::move(up), std::move(down), std::move(left),
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std::move(right), std::move(modifier), modifier_scale);
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}
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} // namespace InputCommon
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@ -0,0 +1,31 @@
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// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include "core/frontend/input.h"
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namespace InputCommon {
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/**
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* An analog device factory that takes direction button devices and combines them into a analog
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* device.
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*/
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class AnalogFromButton final : public Input::Factory<Input::AnalogDevice> {
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public:
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/**
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* Creates an analog device from direction button devices
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* @param params contains parameters for creating the device:
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* - "up": a serialized ParamPackage for creating a button device for up direction
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* - "down": a serialized ParamPackage for creating a button device for down direction
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* - "left": a serialized ParamPackage for creating a button device for left direction
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* - "right": a serialized ParamPackage for creating a button device for right direction
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* - "modifier": a serialized ParamPackage for creating a button device as the modifier
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* - "modifier_scale": a float for the multiplier the modifier gives to the position
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*/
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std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
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};
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} // namespace InputCommon
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@ -4,6 +4,7 @@
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#include <memory>
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#include "common/param_package.h"
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#include "input_common/analog_from_button.h"
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#include "input_common/keyboard.h"
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#include "input_common/main.h"
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@ -14,11 +15,14 @@ static std::shared_ptr<Keyboard> keyboard;
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void Init() {
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keyboard = std::make_shared<InputCommon::Keyboard>();
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Input::RegisterFactory<Input::ButtonDevice>("keyboard", keyboard);
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Input::RegisterFactory<Input::AnalogDevice>("analog_from_button",
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std::make_shared<InputCommon::AnalogFromButton>());
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}
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void Shutdown() {
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Input::UnregisterFactory<Input::ButtonDevice>("keyboard");
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keyboard.reset();
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Input::UnregisterFactory<Input::AnalogDevice>("analog_from_button");
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}
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Keyboard* GetKeyboard() {
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@ -32,4 +36,18 @@ std::string GenerateKeyboardParam(int key_code) {
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return param.Serialize();
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}
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std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
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int key_modifier, float modifier_scale) {
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Common::ParamPackage circle_pad_param{
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{"engine", "analog_from_button"},
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{"up", GenerateKeyboardParam(key_up)},
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{"down", GenerateKeyboardParam(key_down)},
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{"left", GenerateKeyboardParam(key_left)},
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{"right", GenerateKeyboardParam(key_right)},
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{"modifier", GenerateKeyboardParam(key_modifier)},
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{"modifier_scale", std::to_string(modifier_scale)},
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};
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return circle_pad_param.Serialize();
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}
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} // namespace InputCommon
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/// Generates a serialized param package for creating a keyboard button device
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std::string GenerateKeyboardParam(int key_code);
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/// Generates a serialized param package for creating an analog device taking input from keyboard
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std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
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int key_modifier, float modifier_scale);
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} // namespace InputCommon
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