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InputCommon: add AnalogFromButton

This commit is contained in:
wwylele 2017-01-21 13:04:00 +02:00
parent 38e800f70d
commit a6bd7917cb
8 changed files with 162 additions and 0 deletions

View file

@ -8,6 +8,7 @@
#include "citra/default_ini.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/param_package.h"
#include "config.h"
#include "core/settings.h"
#include "input_common/main.h"
@ -44,6 +45,15 @@ static const std::array<int, Settings::NativeButton::NumButtons> default_buttons
SDL_SCANCODE_M, SDL_SCANCODE_N, SDL_SCANCODE_1, SDL_SCANCODE_2, SDL_SCANCODE_B,
};
static const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> default_analogs{{
{
SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT, SDL_SCANCODE_D,
},
{
SDL_SCANCODE_I, SDL_SCANCODE_K, SDL_SCANCODE_J, SDL_SCANCODE_L, SDL_SCANCODE_D,
},
}};
void Config::ReadValues() {
// Controls
for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
@ -54,6 +64,16 @@ void Config::ReadValues() {
Settings::values.buttons[i] = default_param;
}
for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
default_analogs[i][3], default_analogs[i][4], 0.5f);
Settings::values.analogs[i] =
sdl2_config->Get("Controls", Settings::NativeAnalog::mapping[i], default_param);
if (Settings::values.analogs[i].empty())
Settings::values.analogs[i] = default_param;
}
// Core
Settings::values.use_cpu_jit = sdl2_config->GetBoolean("Core", "use_cpu_jit", true);

View file

@ -22,6 +22,15 @@ const std::array<int, Settings::NativeButton::NumButtons> Config::default_button
Qt::Key_Q, Qt::Key_W, Qt::Key_M, Qt::Key_N, Qt::Key_1, Qt::Key_2, Qt::Key_B,
};
const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> Config::default_analogs{{
{
Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right, Qt::Key_D,
},
{
Qt::Key_I, Qt::Key_K, Qt::Key_J, Qt::Key_L, Qt::Key_D,
},
}};
void Config::ReadValues() {
qt_config->beginGroup("Controls");
for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
@ -34,6 +43,20 @@ void Config::ReadValues() {
if (Settings::values.buttons[i].empty())
Settings::values.buttons[i] = default_param;
}
for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
default_analogs[i][3], default_analogs[i][4], 0.5f);
Settings::values.analogs[i] =
qt_config
->value(Settings::NativeAnalog::mapping[i], QString::fromStdString(default_param))
.toString()
.toStdString();
if (Settings::values.analogs[i].empty())
Settings::values.analogs[i] = default_param;
}
qt_config->endGroup();
qt_config->beginGroup("Core");
@ -158,6 +181,10 @@ void Config::SaveValues() {
qt_config->setValue(QString::fromStdString(Settings::NativeButton::mapping[i]),
QString::fromStdString(Settings::values.buttons[i]));
}
for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
qt_config->setValue(QString::fromStdString(Settings::NativeAnalog::mapping[i]),
QString::fromStdString(Settings::values.analogs[i]));
}
qt_config->endGroup();
qt_config->beginGroup("Core");

View file

@ -24,5 +24,7 @@ public:
void Reload();
void Save();
static const std::array<int, Settings::NativeButton::NumButtons> default_buttons;
static const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> default_analogs;
};

View file

@ -1,9 +1,11 @@
set(SRCS
analog_from_button.cpp
keyboard.cpp
main.cpp
)
set(HEADERS
analog_from_button.h
keyboard.h
main.h
)

View file

@ -0,0 +1,58 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "input_common/analog_from_button.h"
namespace InputCommon {
class Analog final : public Input::AnalogDevice {
public:
using Button = std::unique_ptr<Input::ButtonDevice>;
Analog(Button up_, Button down_, Button left_, Button right_, Button modifier_,
float modifier_scale_)
: up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
right(std::move(right_)), modifier(std::move(modifier_)),
modifier_scale(modifier_scale_) {}
std::tuple<float, float> GetStatus() const override {
constexpr float SQRT_HALF = 0.707106781f;
int x = 0, y = 0;
if (right->GetStatus())
++x;
if (left->GetStatus())
--x;
if (up->GetStatus())
++y;
if (down->GetStatus())
--y;
float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
return std::make_tuple(x * coef * (y == 0 ? 1.0f : SQRT_HALF),
y * coef * (x == 0 ? 1.0f : SQRT_HALF));
}
private:
Button up;
Button down;
Button left;
Button right;
Button modifier;
float modifier_scale;
};
std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::ParamPackage& params) {
const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
auto up = Input::CreateDevice<Input::ButtonDevice>(params.Get("up", null_engine));
auto down = Input::CreateDevice<Input::ButtonDevice>(params.Get("down", null_engine));
auto left = Input::CreateDevice<Input::ButtonDevice>(params.Get("left", null_engine));
auto right = Input::CreateDevice<Input::ButtonDevice>(params.Get("right", null_engine));
auto modifier = Input::CreateDevice<Input::ButtonDevice>(params.Get("modifier", null_engine));
auto modifier_scale = params.Get("modifier_scale", 0.5f);
return std::make_unique<Analog>(std::move(up), std::move(down), std::move(left),
std::move(right), std::move(modifier), modifier_scale);
}
} // namespace InputCommon

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@ -0,0 +1,31 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "core/frontend/input.h"
namespace InputCommon {
/**
* An analog device factory that takes direction button devices and combines them into a analog
* device.
*/
class AnalogFromButton final : public Input::Factory<Input::AnalogDevice> {
public:
/**
* Creates an analog device from direction button devices
* @param params contains parameters for creating the device:
* - "up": a serialized ParamPackage for creating a button device for up direction
* - "down": a serialized ParamPackage for creating a button device for down direction
* - "left": a serialized ParamPackage for creating a button device for left direction
* - "right": a serialized ParamPackage for creating a button device for right direction
* - "modifier": a serialized ParamPackage for creating a button device as the modifier
* - "modifier_scale": a float for the multiplier the modifier gives to the position
*/
std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
};
} // namespace InputCommon

View file

@ -4,6 +4,7 @@
#include <memory>
#include "common/param_package.h"
#include "input_common/analog_from_button.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
@ -14,11 +15,14 @@ static std::shared_ptr<Keyboard> keyboard;
void Init() {
keyboard = std::make_shared<InputCommon::Keyboard>();
Input::RegisterFactory<Input::ButtonDevice>("keyboard", keyboard);
Input::RegisterFactory<Input::AnalogDevice>("analog_from_button",
std::make_shared<InputCommon::AnalogFromButton>());
}
void Shutdown() {
Input::UnregisterFactory<Input::ButtonDevice>("keyboard");
keyboard.reset();
Input::UnregisterFactory<Input::AnalogDevice>("analog_from_button");
}
Keyboard* GetKeyboard() {
@ -32,4 +36,18 @@ std::string GenerateKeyboardParam(int key_code) {
return param.Serialize();
}
std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
int key_modifier, float modifier_scale) {
Common::ParamPackage circle_pad_param{
{"engine", "analog_from_button"},
{"up", GenerateKeyboardParam(key_up)},
{"down", GenerateKeyboardParam(key_down)},
{"left", GenerateKeyboardParam(key_left)},
{"right", GenerateKeyboardParam(key_right)},
{"modifier", GenerateKeyboardParam(key_modifier)},
{"modifier_scale", std::to_string(modifier_scale)},
};
return circle_pad_param.Serialize();
}
} // namespace InputCommon

View file

@ -22,4 +22,8 @@ Keyboard* GetKeyboard();
/// Generates a serialized param package for creating a keyboard button device
std::string GenerateKeyboardParam(int key_code);
/// Generates a serialized param package for creating an analog device taking input from keyboard
std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
int key_modifier, float modifier_scale);
} // namespace InputCommon