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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/settings.h"
#include "common/settings_enums.h"
#include "core/frontend/applets/controller.h"
#include "core/hid/emulated_controller.h"
#include "core/hid/hid_core.h"
#include "core/hid/hid_types.h"
namespace Core::Frontend {
ControllerApplet::~ControllerApplet() = default;
DefaultControllerApplet::DefaultControllerApplet(HID::HIDCore& hid_core_) : hid_core{hid_core_} {}
DefaultControllerApplet::~DefaultControllerApplet() = default;
void DefaultControllerApplet::Close() const {}
void DefaultControllerApplet::ReconfigureControllers(ReconfigureCallback callback,
const ControllerParameters& parameters) const {
LOG_INFO(Service_HID, "called, deducing the best configuration based on the given parameters!");
const std::size_t min_supported_players =
parameters.enable_single_mode ? 1 : parameters.min_players;
// Disconnect Handheld first.
auto* handheld = hid_core.GetEmulatedController(Core::HID::NpadIdType::Handheld);
handheld->Disconnect();
// Deduce the best configuration based on the input parameters.
for (std::size_t index = 0; index < hid_core.available_controllers - 2; ++index) {
auto* controller = hid_core.GetEmulatedControllerByIndex(index);
// First, disconnect all controllers regardless of the value of keep_controllers_connected.
// This makes it easy to connect the desired controllers.
controller->Disconnect();
// Only connect the minimum number of required players.
if (index >= min_supported_players) {
continue;
}
// Connect controllers based on the following priority list from highest to lowest priority:
// Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
if (parameters.allow_pro_controller) {
controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::ProController);
controller->Connect(true);
} else if (parameters.allow_dual_joycons) {
controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconDual);
controller->Connect(true);
} else if (parameters.allow_left_joycon && parameters.allow_right_joycon) {
// Assign left joycons to even player indices and right joycons to odd player indices.
// We do this since Captain Toad Treasure Tracker expects a left joycon for Player 1 and
// a right Joycon for Player 2 in 2 Player Assist mode.
if (index % 2 == 0) {
controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconLeft);
controller->Connect(true);
} else {
controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconRight);
controller->Connect(true);
}
} else if (index == 0 && parameters.enable_single_mode && parameters.allow_handheld &&
!Settings::IsDockedMode()) {
// We should *never* reach here under any normal circumstances.
controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::Handheld);
controller->Connect(true);
} else {
ASSERT_MSG(false, "Unable to add a new controller based on the given parameters!");
}
}
callback(true);
}
} // namespace Core::Frontend
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