From a6bd7917cbc06f9b8f5a7ae24e75db776dc1cd6a Mon Sep 17 00:00:00 2001
From: wwylele <wwylele@gmail.com>
Date: Sat, 21 Jan 2017 13:04:00 +0200
Subject: [PATCH] InputCommon: add AnalogFromButton
---
src/citra/config.cpp | 20 +++++++++
src/citra_qt/config.cpp | 27 ++++++++++++
src/citra_qt/config.h | 2 +
src/input_common/CMakeLists.txt | 2 +
src/input_common/analog_from_button.cpp | 58 +++++++++++++++++++++++++
src/input_common/analog_from_button.h | 31 +++++++++++++
src/input_common/main.cpp | 18 ++++++++
src/input_common/main.h | 4 ++
8 files changed, 162 insertions(+)
create mode 100755 src/input_common/analog_from_button.cpp
create mode 100755 src/input_common/analog_from_button.h
diff --git a/src/citra/config.cpp b/src/citra/config.cpp
index 818824596e..ef1229912d 100644
--- a/src/citra/config.cpp
+++ b/src/citra/config.cpp
@@ -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);
diff --git a/src/citra_qt/config.cpp b/src/citra_qt/config.cpp
index 5855c7105d..6ccfa15779 100644
--- a/src/citra_qt/config.cpp
+++ b/src/citra_qt/config.cpp
@@ -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");
diff --git a/src/citra_qt/config.h b/src/citra_qt/config.h
index d7bf994420..cbf745ea25 100644
--- a/src/citra_qt/config.h
+++ b/src/citra_qt/config.h
@@ -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;
};
diff --git a/src/input_common/CMakeLists.txt b/src/input_common/CMakeLists.txt
index ac1ad45a93..9f4422269e 100644
--- a/src/input_common/CMakeLists.txt
+++ b/src/input_common/CMakeLists.txt
@@ -1,9 +1,11 @@
set(SRCS
+ analog_from_button.cpp
keyboard.cpp
main.cpp
)
set(HEADERS
+ analog_from_button.h
keyboard.h
main.h
)
diff --git a/src/input_common/analog_from_button.cpp b/src/input_common/analog_from_button.cpp
new file mode 100755
index 0000000000..e1a260762f
--- /dev/null
+++ b/src/input_common/analog_from_button.cpp
@@ -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
diff --git a/src/input_common/analog_from_button.h b/src/input_common/analog_from_button.h
new file mode 100755
index 0000000000..bbd583dd93
--- /dev/null
+++ b/src/input_common/analog_from_button.h
@@ -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
diff --git a/src/input_common/main.cpp b/src/input_common/main.cpp
index ff25220b42..8455fdc176 100644
--- a/src/input_common/main.cpp
+++ b/src/input_common/main.cpp
@@ -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
diff --git a/src/input_common/main.h b/src/input_common/main.h
index a490dd8298..140bbd0145 100644
--- a/src/input_common/main.h
+++ b/src/input_common/main.h
@@ -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
--
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