Added Amiibo support (#1390)

* Fixed conflict with nfp

* Few fixups for nfc

* Conflict 2

* Fixed AttachAvailabilityChangeEvent

* Conflict 3

* Fixed byte padding

* Refactored amiibo to not reside in "System"

* Removed remaining references of nfc from system

* used enum for Nfc GetStateOld

* Added missing newline

* Moved file operations to front end

* Conflict 4

* Amiibos now use structs and added mutexes

* Removed amiibo_path

6 files changed, 86 insertions, 30 deletions

diff --git a/src/yuzu/configuration/config.cpp b/src/yuzu/configuration/config.cpp
index 71c6ebb41..d029590ff 100644
--- a/src/yuzu/configuration/config.cpp
+++ b/src/yuzu/configuration/config.cpp
@@ -122,6 +122,7 @@ void Config::ReadValues() {
 
     qt_config->beginGroup("System");
     Settings::values.use_docked_mode = qt_config->value("use_docked_mode", false).toBool();
+    Settings::values.enable_nfc = qt_config->value("enable_nfc", true).toBool();
     Settings::values.username = qt_config->value("username", "yuzu").toString().toStdString();
     Settings::values.language_index = qt_config->value("language_index", 1).toInt();
     qt_config->endGroup();
@@ -258,6 +259,7 @@ void Config::SaveValues() {
 
     qt_config->beginGroup("System");
     qt_config->setValue("use_docked_mode", Settings::values.use_docked_mode);
+    qt_config->setValue("enable_nfc", Settings::values.enable_nfc);
     qt_config->setValue("username", QString::fromStdString(Settings::values.username));
     qt_config->setValue("language_index", Settings::values.language_index);
     qt_config->endGroup();
diff --git a/src/yuzu/configuration/configure_general.cpp b/src/yuzu/configuration/configure_general.cpp
index f5db9e55b..537d6e576 100644
--- a/src/yuzu/configuration/configure_general.cpp
+++ b/src/yuzu/configuration/configure_general.cpp
@@ -31,6 +31,7 @@ void ConfigureGeneral::setConfiguration() {
     ui->theme_combobox->setCurrentIndex(ui->theme_combobox->findData(UISettings::values.theme));
     ui->use_cpu_jit->setChecked(Settings::values.use_cpu_jit);
     ui->use_docked_mode->setChecked(Settings::values.use_docked_mode);
+    ui->enable_nfc->setChecked(Settings::values.enable_nfc);
 }
 
 void ConfigureGeneral::PopulateHotkeyList(const HotkeyRegistry& registry) {
@@ -45,4 +46,5 @@ void ConfigureGeneral::applyConfiguration() {
 
     Settings::values.use_cpu_jit = ui->use_cpu_jit->isChecked();
     Settings::values.use_docked_mode = ui->use_docked_mode->isChecked();
+    Settings::values.enable_nfc = ui->enable_nfc->isChecked();
 }
diff --git a/src/yuzu/configuration/configure_general.ui b/src/yuzu/configuration/configure_general.ui
index 1775c4d40..b82fffde8 100644
--- a/src/yuzu/configuration/configure_general.ui
+++ b/src/yuzu/configuration/configure_general.ui
@@ -68,19 +68,26 @@
        <property name="title">
         <string>Emulation</string>
        </property>
-        <layout class="QHBoxLayout" name="EmulationHorizontalLayout">
+       <layout class="QHBoxLayout" name="EmulationHorizontalLayout">
+        <item>
+         <layout class="QVBoxLayout" name="EmulationVerticalLayout">
+          <item>
+           <widget class="QCheckBox" name="use_docked_mode">
+            <property name="text">
+             <string>Enable docked mode</string>
+            </property>
+           </widget>
+          </item>
           <item>
-            <layout class="QVBoxLayout" name="EmulationVerticalLayout">
-              <item>
-                <widget class="QCheckBox" name="use_docked_mode">
-                  <property name="text">
-                    <string>Enable docked mode</string>
-                  </property>
-                </widget>
-              </item>
-            </layout>
+           <widget class="QCheckBox" name="enable_nfc">
+            <property name="text">
+             <string>Enable NFC</string>
+            </property>
+           </widget>
           </item>
-        </layout>
+         </layout>
+        </item>
+       </layout>
       </widget>
      </item>
      <item>
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 36c702195..be9896614 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -60,6 +60,8 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "core/hle/kernel/process.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/filesystem/fsp_ldr.h"
+#include "core/hle/service/nfp/nfp.h"
+#include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
 #include "core/perf_stats.h"
 #include "core/settings.h"
@@ -424,6 +426,7 @@ void GMainWindow::ConnectMenuEvents() {
     connect(ui.action_Select_SDMC_Directory, &QAction::triggered, this,
             [this] { OnMenuSelectEmulatedDirectory(EmulatedDirectoryTarget::SDMC); });
     connect(ui.action_Exit, &QAction::triggered, this, &QMainWindow::close);
+    connect(ui.action_Load_Amiibo, &QAction::triggered, this, &GMainWindow::OnLoadAmiibo);
 
     // Emulation
     connect(ui.action_Start, &QAction::triggered, this, &GMainWindow::OnStartGame);
@@ -692,6 +695,7 @@ void GMainWindow::ShutdownGame() {
     ui.action_Stop->setEnabled(false);
     ui.action_Restart->setEnabled(false);
     ui.action_Report_Compatibility->setEnabled(false);
+    ui.action_Load_Amiibo->setEnabled(false);
     render_window->hide();
     game_list->show();
     game_list->setFilterFocus();
@@ -1191,6 +1195,7 @@ void GMainWindow::OnStartGame() {
     ui.action_Report_Compatibility->setEnabled(true);
 
     discord_rpc->Update();
+    ui.action_Load_Amiibo->setEnabled(true);
 }
 
 void GMainWindow::OnPauseGame() {
@@ -1295,6 +1300,27 @@ void GMainWindow::OnConfigure() {
     }
 }
 
+void GMainWindow::OnLoadAmiibo() {
+    const QString extensions{"*.bin"};
+    const QString file_filter = tr("Amiibo File (%1);; All Files (*.*)").arg(extensions);
+    const QString filename = QFileDialog::getOpenFileName(this, tr("Load Amiibo"), "", file_filter);
+    if (!filename.isEmpty()) {
+        Core::System& system{Core::System::GetInstance()};
+        Service::SM::ServiceManager& sm = system.ServiceManager();
+        auto nfc = sm.GetService<Service::NFP::Module::Interface>("nfp:user");
+        if (nfc != nullptr) {
+            auto nfc_file = FileUtil::IOFile(filename.toStdString(), "rb");
+            if (!nfc_file.IsOpen()) {
+                return;
+            }
+            std::vector<u8> amiibo_buffer(nfc_file.GetSize());
+            nfc_file.ReadBytes(amiibo_buffer.data(), amiibo_buffer.size());
+            nfc_file.Close();
+            nfc->LoadAmiibo(amiibo_buffer);
+        }
+    }
+}
+
 void GMainWindow::OnAbout() {
     AboutDialog aboutDialog(this);
     aboutDialog.exec();
@@ -1335,15 +1361,17 @@ void GMainWindow::UpdateStatusBar() {
 void GMainWindow::OnCoreError(Core::System::ResultStatus result, std::string details) {
     QMessageBox::StandardButton answer;
     QString status_message;
-    const QString common_message = tr(
-        "The game you are trying to load requires additional files from your Switch to be dumped "
-        "before playing.<br/><br/>For more information on dumping these files, please see the "
-        "following wiki page: <a "
-        "href='https://yuzu-emu.org/wiki/"
-        "dumping-system-archives-and-the-shared-fonts-from-a-switch-console/'>Dumping System "
-        "Archives and the Shared Fonts from a Switch Console</a>.<br/><br/>Would you like to quit "
-        "back to the game list? Continuing emulation may result in crashes, corrupted save "
-        "data, or other bugs.");
+    const QString common_message =
+        tr("The game you are trying to load requires additional files from your Switch to be "
+           "dumped "
+           "before playing.<br/><br/>For more information on dumping these files, please see the "
+           "following wiki page: <a "
+           "href='https://yuzu-emu.org/wiki/"
+           "dumping-system-archives-and-the-shared-fonts-from-a-switch-console/'>Dumping System "
+           "Archives and the Shared Fonts from a Switch Console</a>.<br/><br/>Would you like to "
+           "quit "
+           "back to the game list? Continuing emulation may result in crashes, corrupted save "
+           "data, or other bugs.");
     switch (result) {
     case Core::System::ResultStatus::ErrorSystemFiles: {
         QString message = "yuzu was unable to locate a Switch system archive";
@@ -1374,9 +1402,12 @@ void GMainWindow::OnCoreError(Core::System::ResultStatus result, std::string det
             this, tr("Fatal Error"),
             tr("yuzu has encountered a fatal error, please see the log for more details. "
                "For more information on accessing the log, please see the following page: "
-               "<a href='https://community.citra-emu.org/t/how-to-upload-the-log-file/296'>How to "
-               "Upload the Log File</a>.<br/><br/>Would you like to quit back to the game list? "
-               "Continuing emulation may result in crashes, corrupted save data, or other bugs."),
+               "<a href='https://community.citra-emu.org/t/how-to-upload-the-log-file/296'>How "
+               "to "
+               "Upload the Log File</a>.<br/><br/>Would you like to quit back to the game "
+               "list? "
+               "Continuing emulation may result in crashes, corrupted save data, or other "
+               "bugs."),
             QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
         status_message = "Fatal Error encountered";
         break;
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index c8cbc0ba8..7c7c223e1 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -166,6 +166,7 @@ private slots:
     void OnMenuSelectEmulatedDirectory(EmulatedDirectoryTarget target);
     void OnMenuRecentFile();
     void OnConfigure();
+    void OnLoadAmiibo();
     void OnAbout();
     void OnToggleFilterBar();
     void OnDisplayTitleBars(bool);
diff --git a/src/yuzu/main.ui b/src/yuzu/main.ui
index dffd9c788..48d099591 100644
--- a/src/yuzu/main.ui
+++ b/src/yuzu/main.ui
@@ -57,8 +57,8 @@
       <string>Recent Files</string>
      </property>
     </widget>
-     <addaction name="action_Install_File_NAND" />
-     <addaction name="separator"/>
+    <addaction name="action_Install_File_NAND"/>
+    <addaction name="separator"/>
     <addaction name="action_Load_File"/>
     <addaction name="action_Load_Folder"/>
     <addaction name="separator"/>
@@ -68,6 +68,8 @@
     <addaction name="action_Select_NAND_Directory"/>
     <addaction name="action_Select_SDMC_Directory"/>
     <addaction name="separator"/>
+    <addaction name="action_Load_Amiibo"/>
+    <addaction name="separator"/>
     <addaction name="action_Exit"/>
    </widget>
    <widget class="QMenu" name="menu_Emulation">
@@ -117,11 +119,14 @@
    <addaction name="menu_Tools" />
    <addaction name="menu_Help"/>
   </widget>
-   <action name="action_Install_File_NAND">
-     <property name="text">
-       <string>Install File to NAND...</string>
-     </property>
-   </action>
+  <action name="action_Install_File_NAND">
+   <property name="enabled">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Install File to NAND...</string>
+   </property>
+  </action>
   <action name="action_Load_File">
    <property name="text">
     <string>Load File...</string>
@@ -253,6 +258,14 @@
        <string>Restart</string>
      </property>
    </action>
+  <action name="action_Load_Amiibo">
+    <property name="enabled">
+      <bool>false</bool>
+    </property>
+    <property name="text">
+      <string>Load Amiibo...</string>
+    </property>
+  </action>
    <action name="action_Report_Compatibility">
      <property name="enabled">
        <bool>false</bool>