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Merge pull request #4601 from lioncash/const3

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sdl_impl: Minor cleanup
This commit is contained in:
bunnei 2020-08-29 23:23:41 -04:00 committed by GitHub
commit e9b9fc4674
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 63 additions and 53 deletions
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116
src/input_common/sdl/sdl_impl.cpp
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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <atomic>
#include <cmath>
#include <functional>
@ -358,7 +359,7 @@ public:
return std::make_tuple(x / r * (r - deadzone) / (1 - deadzone),
y / r * (r - deadzone) / (1 - deadzone));
}
return std::make_tuple<float, float>(0.0f, 0.0f);
return {};
}
bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
@ -574,10 +575,10 @@ std::vector<Common::ParamPackage> SDLState::GetInputDevices() {
namespace {
Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid, u8 axis,
float value = 0.1) {
float value = 0.1f) {
Common::ParamPackage params({{"engine", "sdl"}});
params.Set("port", port);
params.Set("guid", guid);
params.Set("guid", std::move(guid));
params.Set("axis", axis);
if (value > 0) {
params.Set("direction", "+");
@ -592,7 +593,7 @@ Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid
Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid, u8 button) {
Common::ParamPackage params({{"engine", "sdl"}});
params.Set("port", port);
params.Set("guid", guid);
params.Set("guid", std::move(guid));
params.Set("button", button);
return params;
}
@ -601,7 +602,7 @@ Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, u
Common::ParamPackage params({{"engine", "sdl"}});
params.Set("port", port);
params.Set("guid", guid);
params.Set("guid", std::move(guid));
params.Set("hat", hat);
switch (value) {
case SDL_HAT_UP:
@ -670,55 +671,62 @@ Common::ParamPackage BuildParamPackageForAnalog(int port, const std::string& gui
} // Anonymous namespace
ButtonMapping SDLState::GetButtonMappingForDevice(const Common::ParamPackage& params) {
// This list is missing ZL/ZR since those are not considered buttons in SDL GameController.
// We will add those afterwards
// This list also excludes Screenshot since theres not really a mapping for that
std::unordered_map<Settings::NativeButton::Values, SDL_GameControllerButton>
switch_to_sdl_button = {
{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_B},
{Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_A},
{Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_Y},
{Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_X},
{Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
{Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
{Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
{Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
{Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
{Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
{Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
{Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
{Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
{Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
{Settings::NativeButton::SL, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
{Settings::NativeButton::SR, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
{Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
};
if (!params.Has("guid") || !params.Has("port")) {
return {};
}
const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
auto controller = joystick->GetSDLGameController();
if (!controller) {
auto* controller = joystick->GetSDLGameController();
if (controller == nullptr) {
return {};
}
ButtonMapping mapping{};
for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
mapping[switch_button] =
BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding);
}
// This list is missing ZL/ZR since those are not considered buttons in SDL GameController.
// We will add those afterwards
// This list also excludes Screenshot since theres not really a mapping for that
using ButtonBindings =
std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerButton>, 17>;
static constexpr ButtonBindings switch_to_sdl_button{{
{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_B},
{Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_A},
{Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_Y},
{Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_X},
{Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
{Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
{Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
{Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
{Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
{Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
{Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
{Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
{Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
{Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
{Settings::NativeButton::SL, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
{Settings::NativeButton::SR, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
{Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
}};
// Add the missing bindings for ZL/ZR
std::unordered_map<Settings::NativeButton::Values, SDL_GameControllerAxis> switch_to_sdl_axis =
{
{Settings::NativeButton::ZL, SDL_CONTROLLER_AXIS_TRIGGERLEFT},
{Settings::NativeButton::ZR, SDL_CONTROLLER_AXIS_TRIGGERRIGHT},
};
using ZBindings =
std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerAxis>, 2>;
static constexpr ZBindings switch_to_sdl_axis{{
{Settings::NativeButton::ZL, SDL_CONTROLLER_AXIS_TRIGGERLEFT},
{Settings::NativeButton::ZR, SDL_CONTROLLER_AXIS_TRIGGERRIGHT},
}};
ButtonMapping mapping;
mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size());
for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
mapping.insert_or_assign(
switch_button,
BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
}
for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) {
const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis);
mapping[switch_button] =
BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding);
mapping.insert_or_assign(
switch_button,
BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
}
return mapping;
@ -729,8 +737,8 @@ AnalogMapping SDLState::GetAnalogMappingForDevice(const Common::ParamPackage& pa
return {};
}
const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
auto controller = joystick->GetSDLGameController();
if (!controller) {
auto* controller = joystick->GetSDLGameController();
if (controller == nullptr) {
return {};
}
@ -739,16 +747,18 @@ AnalogMapping SDLState::GetAnalogMappingForDevice(const Common::ParamPackage& pa
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX);
const auto& binding_left_y =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY);
mapping[Settings::NativeAnalog::LStick] =
BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
binding_left_x.value.axis, binding_left_y.value.axis);
mapping.insert_or_assign(Settings::NativeAnalog::LStick,
BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
binding_left_x.value.axis,
binding_left_y.value.axis));
const auto& binding_right_x =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX);
const auto& binding_right_y =
SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY);
mapping[Settings::NativeAnalog::RStick] =
BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
binding_right_x.value.axis, binding_right_y.value.axis);
mapping.insert_or_assign(Settings::NativeAnalog::RStick,
BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
binding_right_x.value.axis,
binding_right_y.value.axis));
return mapping;
}
@ -784,7 +794,7 @@ public:
}
return {};
}
std::optional<Common::ParamPackage> FromEvent(const SDL_Event& event) {
[[nodiscard]] std::optional<Common::ParamPackage> FromEvent(const SDL_Event& event) const {
switch (event.type) {
case SDL_JOYAXISMOTION:
if (std::abs(event.jaxis.value / 32767.0) < 0.5) {
@ -795,7 +805,7 @@ public:
case SDL_JOYHATMOTION:
return {SDLEventToButtonParamPackage(state, event)};
}
return {};
return std::nullopt;
}
};