Add the possibility of configurations to the plugins!

Adds the configuration menu.

loader/languages/english.lang

@@ -1,6 +1,12 @@
+msgid "Press HOME to return."
+msgstr ""
+
 msgid "Language"
 msgstr ""
 
+msgid "Press B to return to the plugin overview."
+msgstr ""
+
 # English translations for Wii U Plugin System loader
 # This file is distributed under the same license as the PACKAGE package.
 msgid ""
@@ -16,14 +22,33 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/menu/content/ContentHome.cpp:23
+msgid "Press B to return to the plugin overview, HOME to return to the running application."
+msgstr ""
+
+#: src/menu/content/ContentHome.cpp:24
 msgid "Welcome to the Wii U plugin loader"
 msgstr ""
 
-#: src/menu/content/ContentHome.cpp:32
+#: src/menu/content/ContentHome.cpp:33
 msgid "Exit to HBL  "
 msgstr ""
 
-#: src/menu/content/ContentHome.cpp:35
+#: src/menu/content/ContentHome.cpp:36
 msgid "Apply Patches"
 msgstr ""
+
+#: src/myutils/ConfigUtils.cpp:113
+msgid "Press HOME to return to the running application."
+msgstr ""
+
+#: src/myutils/ConfigUtils.cpp:114
+msgid "Configurable running plugins:"
+msgstr ""
+
+#: src/myutils/ConfigUtils.cpp:118
+msgid "No configurable running plugins found."
+msgstr ""
+
+#: src/myutils/ConfigUtils.cpp:243
+msgid "B = plugin overview, HOME  = back to running application."
+msgstr ""

loader/src/common/common.h

@@ -28,6 +28,7 @@ extern "C" {
 #define DEFAULT_WUPSLOADER_PATH     SD_PATH WIIU_PATH "/apps/wiiupluginsystem"
 #define DEFAULT_LANG_PATH           DEFAULT_WUPSLOADER_PATH "/languages"
 #define LANGUAGE_FILE_EXT           ".lang"
+#define PLUGIN_CONFIG_FILE_EXT      ".cfg"
 #define PLUGIN_FILE_EXT             ".mod"
 
 #define WUPS_PLUGIN_PATH            SD_PATH WIIU_PATH "/plugins"

loader/src/main.cpp

@@ -57,6 +57,7 @@
 #include "myutils/libntfs.h"
 #include "myutils/libfat.h"
 #include "myutils/overlay_helper.h"
+#include "myutils/ConfigUtils.h"
 #include "version.h"
 #include "settings/CSettings.h"
 
@@ -65,7 +66,6 @@ static void RestorePatches();
 int32_t isInMiiMakerHBL();
 void readAndPrintSegmentRegister(CThread *thread, void *arg);
 
-
 extern "C" int32_t Menu_Main(int32_t argc, char **argv) {
     if(gAppStatus == 2) {
         //"No, we don't want to patch stuff again.");
@@ -142,14 +142,14 @@ extern "C" int32_t Menu_Main(int32_t argc, char **argv) {
     std::vector<dyn_linking_relocation_entry_t *> relocations = DynamicLinkingHelper::getInstance()->getAllValidDynamicLinkingRelocations();
     DEBUG_FUNCTION_LINE("Found relocation information for %d functions\n",relocations.size());
 
-    if(!DynamicLinkingHelper::getInstance()->fillRelocations(relocations)){
+    if(!DynamicLinkingHelper::getInstance()->fillRelocations(relocations)) {
         OSFatal("fillRelocations failed.");
     }
 
     if(!isInMiiMakerHBL()) {
         DEBUG_FUNCTION_LINE("Apply patches.\n");
         ApplyPatchesAndCallHookStartingApp();
-
+        ConfigUtils::loadConfigFromSD();
 
         if(MemoryMapping::isMemoryMapped()) {
             DEBUG_FUNCTION_LINE("Mapping was already done. Running %016llX\n",gGameTitleID);

loader/src/myutils/ConfigInformation.cpp

@@ -0,0 +1,113 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#include <map>
+#include <string>
+#include <wups/config/WUPSConfig.h>
+#include "ConfigInformation.h"
+
+ConfigInformation::ConfigInformation(WUPSConfig * config, std::string persistPath, std::string persistFileName) {
+    this->config = config;
+    this->persistPath = persistPath;
+    this->persistFileName = persistFileName;
+    createConfigSettings();
+    loadValuesFromSD();
+}
+
+ConfigInformation::~ConfigInformation() {
+    if(configSettings != NULL) {
+        updateAndSaveSettings();
+        delete configSettings;
+        configSettings = NULL;
+    }
+    if(config != NULL) {
+        delete config;
+        config = NULL;
+    }
+}
+
+bool ConfigInformation::createConfigSettings() {
+    if(this->config == NULL) {
+        return false;
+    }
+
+    if(this->configSettings != NULL) {
+        delete this->configSettings;
+    }
+
+    std::map<int32_t,std::string> defaultValues;
+    std::map<int32_t,std::string> settingsNames;
+    int32_t index = 0;
+    for (auto & curCat : this->config->getCategories()) {
+        for (auto & curItem : curCat->getItems()) {
+            std::string configID = curItem->getConfigID();
+            std::string defaultValue = curItem->persistValue();
+
+            defaultValues[index] = defaultValue;
+            settingsNames[index] = configID;
+            index++;
+        }
+    }
+
+    configSettings = new ConfigSettings(persistPath, persistFileName, defaultValues, settingsNames);
+
+    return (configSettings != NULL);
+}
+
+bool ConfigInformation::loadValuesFromSD() {
+    if(this->config == NULL || this->configSettings == NULL) {
+        return false;
+    }
+
+    for (auto & curCat : this->config->getCategories()) {
+        for (auto & curItem : curCat->getItems()) {
+            std::string configID = curItem->getConfigID();
+            std::string prevValue = curItem->persistValue();
+            std::string loadedValue = this->configSettings->getValueAsString(this->configSettings->getIdByName(configID));
+            //DEBUG_FUNCTION_LINE("Loaded %s(%d) to %s. Previous value was %s \n",configID.c_str(),this->configSettings->getIdByName(configID), loadedValue.c_str(), prevValue.c_str());
+            if(prevValue.compare(loadedValue) != 0) {
+                //DEBUG_FUNCTION_LINE("Call loadValue\n");
+                curItem->loadValue(loadedValue);
+            }
+        }
+    }
+    return true;
+}
+
+void ConfigInformation::updateAndSaveSettings() {
+    if(this->config == NULL || this->configSettings == NULL) {
+        return;
+    }
+    updateConfigSettings();
+    configSettings->Save();
+}
+
+bool ConfigInformation::updateConfigSettings() {
+    if(this->config == NULL || this->configSettings == NULL) {
+        return false;
+    }
+
+    for (auto & curCat : this->config->getCategories()) {
+        for (auto & curItem : curCat->getItems()) {
+            std::string configID = curItem->getConfigID();
+            std::string newValue = curItem->persistValue();
+            this->configSettings->setValueAsString(this->configSettings->getIdByName(configID), newValue);
+            //DEBUG_FUNCTION_LINE("Set %s(%d) to %s\n",configID.c_str(),this->configSettings->getIdByName(configID), newValue.c_str());
+        }
+    }
+    return true;
+}

loader/src/myutils/ConfigInformation.h

@@ -0,0 +1,61 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#ifndef _CONFIG_INFORMATION_H_
+#define _CONFIG_INFORMATION_H_
+
+#include <wups/config/WUPSConfig.h>
+#include "settings/ConfigSettings.h"
+#include <string>
+#include <utils/logger.h>
+
+class ConfigInformation {
+
+public:
+    /**
+        Creates a ConfigInformation object for a given WUPSConfig.
+        This also is responsible for persisting/loading the configurations to/from the SDCard.
+        The configuration will be loaded created/loaded at "[persistPath]/[persistFileName]"
+    **/
+    ConfigInformation(WUPSConfig * config, std::string persistPath, std::string persistFileName);
+
+    /**
+        Deletes the given WUPSConfig
+        Calls updateAndSaveSettings
+        Deletes the created ConfigSettings
+    **/
+    ~ConfigInformation();
+
+    void updateAndSaveSettings();
+
+    WUPSConfig * getConfig() {
+        return config;
+    }
+
+private:
+    bool createConfigSettings();
+    bool loadValuesFromSD();
+    bool updateConfigSettings();
+
+    WUPSConfig * config = NULL;
+    ConfigSettings * configSettings = NULL;
+    std::string persistPath;
+    std::string persistFileName;
+};
+
+
+#endif

loader/src/myutils/ConfigUtils.cpp

@@ -0,0 +1,354 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+#include <vector>
+#include <map>
+#include <wups/config/WUPSConfig.h>
+#include <dynamic_libs/vpad_functions.h>
+#include <utils/logger.h>
+
+#include "common/common.h"
+#include "common/retain_vars.h"
+
+#include "overlay_helper.h"
+#include "ScreenUtils.h"
+#include "ConfigUtils.h"
+#include <language/gettext.h>
+
+#include "ConfigInformation.h"
+
+void ConfigUtils::configMenuOpenedCallback(wups_overlay_options_type_t screen, void * args) {
+    // We close the configuration menu with the home button, but this would also
+    // trigger the home menu.
+    // To avoid this (and restore the GX2 buffers properly) we disable the home menu button
+    // as long we're in the configuration menu.
+    OSEnableHomeButtonMenu(false);
+
+    std::vector<WUPSConfig*> * configList = (std::vector<WUPSConfig*> *) args;
+
+    if(configList == NULL) {
+        DEBUG_FUNCTION_LINE("configList was NULL.\n");
+        // Re-enable home button. TODO: Only enable when it was enabled before.
+        OSEnableHomeButtonMenu(true);
+        return;
+    }
+
+    int32_t i = 0;
+    int32_t x = 0;
+    int32_t screen_y_pos = 0;
+    int32_t visible_rows_start = 2;
+    int32_t visible_rows_end = 16;
+    int32_t visible_rows_range = visible_rows_end - visible_rows_start;
+
+    WUPSConfig* curConfig = NULL;
+
+    VPADData vpad_data;
+    int32_t error;
+
+    int32_t maxSelect = 0;
+    int32_t curSelect = 0;
+
+    int32_t curScreenOffset = 0;
+    bool firstRun = true;
+    while(true) {
+        VPADRead(0, &vpad_data, 1, &error);
+        if(vpad_data.btns_d == VPAD_BUTTON_HOME) {
+            break;
+        }
+
+        int32_t newSelect = curSelect;
+        bool changed = false;
+
+        if(curConfig == NULL) {
+            maxSelect = configList->size();
+            if(maxSelect > 0) {
+                maxSelect--;
+            }
+
+            bool selected = false;
+
+            if(vpad_data.btns_r & VPAD_BUTTON_DOWN) {
+                newSelect++;
+            }
+            if(vpad_data.btns_r & VPAD_BUTTON_UP) {
+                newSelect--;
+            }
+            if(vpad_data.btns_r & VPAD_BUTTON_A) {
+                selected = true;
+                changed = true;
+            }
+
+            if(newSelect < 0) {
+                newSelect = maxSelect;
+            } else if(newSelect > maxSelect) {
+                newSelect = 0;
+            }
+
+            if(newSelect != curSelect) {
+                curSelect = newSelect;
+                changed = true;
+            }
+            if(!firstRun) {
+                if(!changed) {
+                    continue;
+                }
+            }
+            firstRun = false;
+
+            ScreenUtils::OSScreenClear(screen);
+            screen_y_pos = 0;
+            ScreenUtils::printTextOnScreen(screen, 0, visible_rows_end + 1, gettext("Press HOME to return to the running application."));
+            ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,gettext("Configurable running plugins:"));
+            ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"==========================");
+
+            if(configList->size() == 0) {
+                ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,gettext("No configurable running plugins found."));
+                ScreenUtils::flipBuffers(screen);
+                continue;
+            }
+
+            int32_t index = 0;
+            for (auto & curConfig_ : *configList) {
+                if(index == curSelect) {
+                    ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"> %s",curConfig_->getName().c_str());
+                    if(selected) {
+                        curConfig = curConfig_;
+                        curSelect = 0;
+                        curScreenOffset = 0;
+                        firstRun = true;
+                        maxSelect = 0;
+                        for (auto & curCat : curConfig_->getCategories()) {
+                            maxSelect += curCat->getItems().size();
+                        }
+                        if(maxSelect > 0) {
+                            maxSelect--;
+                        }
+                    }
+
+                } else {
+                    ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"  %s",curConfig_->getName().c_str());
+                }
+                index++;
+            }
+            ScreenUtils::flipBuffers(screen);
+            continue;
+        }
+
+        WUPSConfigButtons pressedButtons = WUPS_CONFIG_BUTTON_NONE;
+
+        /*
+        if(vpad_data.btns_r & VPAD_BUTTON_DOWN) {
+            pressedButtons |= WUPS_CONFIG_BUTTON_DOWN;
+        }
+        if(vpad_data.btns_r & VPAD_BUTTON_UP) {
+            pressedButtons |= WUPS_CONFIG_BUTTON_UP;
+        }*/
+        if(vpad_data.btns_d & VPAD_BUTTON_A) {
+            pressedButtons |= WUPS_CONFIG_BUTTON_A;
+        }
+        if(vpad_data.btns_d & VPAD_BUTTON_B) {
+            pressedButtons |= WUPS_CONFIG_BUTTON_B;
+        }
+        if(vpad_data.btns_d & VPAD_BUTTON_LEFT) {
+            pressedButtons |= WUPS_CONFIG_BUTTON_LEFT;
+        }
+        if(vpad_data.btns_d & VPAD_BUTTON_RIGHT) {
+            pressedButtons |= WUPS_CONFIG_BUTTON_RIGHT;
+        }
+
+        if(vpad_data.btns_r & VPAD_BUTTON_DOWN) {
+            newSelect++;
+        }
+        if(vpad_data.btns_r & VPAD_BUTTON_UP) {
+            newSelect--;
+        }
+
+        if(vpad_data.btns_d & VPAD_BUTTON_B) {
+            curConfig = NULL;
+            curSelect = 0;
+            curScreenOffset = 0;
+            firstRun = true;
+            continue;
+        }
+        if(newSelect < 0) {
+            newSelect = maxSelect;
+        } else if(newSelect > maxSelect) {
+            newSelect = 0;
+        }
+
+        if(newSelect != curSelect) {
+            curSelect = newSelect;
+            changed = true;
+        }
+        if(pressedButtons != WUPS_CONFIG_BUTTON_NONE) {
+            changed = true;
+        }
+
+        int32_t cur_visible_rows = 0;
+        if(!firstRun) {
+            if(!changed) {
+                continue;
+            }
+        }
+        firstRun = false;
+
+        ScreenUtils::OSScreenClear(screen);
+
+        int32_t inSelect = 0;
+
+        bool ignore = false;
+        for (auto & curCat : curConfig->getCategories()) {
+            cur_visible_rows += 2;
+            for (auto & curItem : curCat->getItems()) {
+                cur_visible_rows++;
+                if(!ignore && curSelect == inSelect) {
+                    if(curSelect == 0) {
+                        curScreenOffset = 0;
+                    }else if(cur_visible_rows + curScreenOffset >= visible_rows_range) {
+                        curScreenOffset -= (cur_visible_rows + curScreenOffset) - visible_rows_range;
+                    }else if(cur_visible_rows + curScreenOffset < visible_rows_range/2 && cur_visible_rows >= visible_rows_range/2) {
+                        curScreenOffset -= (cur_visible_rows + curScreenOffset) - visible_rows_range/2;
+                    }
+                    ignore = true;
+                }
+                inSelect++;
+            }
+        }
+
+        ScreenUtils::printTextOnScreen(screen, 0, 0, "Configuration for %s:", curConfig->getName().c_str());
+
+        int32_t arrow_x_offset = 60;
+        if(curScreenOffset < 0) {
+            ScreenUtils::printTextOnScreen(screen, arrow_x_offset, visible_rows_start + 1, " ^");
+            ScreenUtils::printTextOnScreen(screen, arrow_x_offset, visible_rows_start + 2, " |");
+        }
+        if(curScreenOffset + cur_visible_rows > visible_rows_range) {
+            ScreenUtils::printTextOnScreen(screen, arrow_x_offset, visible_rows_end - 2, " | ");
+            ScreenUtils::printTextOnScreen(screen, arrow_x_offset, visible_rows_end - 1, " v");
+        }
+
+        ScreenUtils::printTextOnScreen(screen, 0, visible_rows_end + 1, gettext("B = plugin overview, HOME  = back to running application."));
+
+        screen_y_pos = curScreenOffset + visible_rows_start;
+
+        inSelect = 0;
+
+        for (auto & curCat : curConfig->getCategories()) {
+            if((screen_y_pos + 2) >= visible_rows_end) {
+                break;
+            }
+            if((screen_y_pos - visible_rows_start) < -1) {
+                screen_y_pos += 2;
+            } else if((screen_y_pos - visible_rows_start) < 0) {
+                screen_y_pos++;
+                ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"==========================");
+            } else {
+                ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"%s",curCat->getName().c_str());
+                ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"==========================");
+            }
+            for (auto & curItem : curCat->getItems()) {
+                if(screen_y_pos >= visible_rows_end) {
+                    break;
+                }
+                if(curSelect == inSelect) {
+                    if(pressedButtons != WUPS_CONFIG_BUTTON_NONE) {
+                        curItem->onButtonPressed(pressedButtons);
+                    }
+                    ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"> %-40s %s\n",curItem->getDisplayName().c_str(),curItem->getCurrentValueSelectedDisplay().c_str());
+                } else if((screen_y_pos - visible_rows_start) >= 0) {
+                    ScreenUtils::printTextOnScreen(screen, x, screen_y_pos++,"  %-40s %s\n",curItem->getDisplayName().c_str(),curItem->getCurrentValueDisplay().c_str());
+                } else {
+                    screen_y_pos++;
+                }
+                inSelect++;
+            }
+
+        }
+
+        ScreenUtils::flipBuffers(screen);
+        i++;
+    }
+    // Re-enable home button. TODO: Only enable when it was enabled before.
+    // Currently we can be sure it was enabled, because it's an requirement to enter the configuration menu.
+    // This might change in the future.
+    OSEnableHomeButtonMenu(true);
+}
+
+void ConfigUtils::openConfigMenu(std::vector<WUPSConfig*> configs) {
+    overlay_helper(WUPS_OVERLAY_DRC_AND_TV_WITH_DRC_PRIO, configMenuOpenedCallback, (void*) &configs);
+}
+
+std::vector<ConfigInformation *> ConfigUtils::getConfigInformation() {
+    std::vector<ConfigInformation *> configs;
+    for(int32_t plugin_index=0; plugin_index<gbl_replacement_data.number_used_plugins; plugin_index++) {
+        replacement_data_plugin_t * plugin_data = &gbl_replacement_data.plugin_data[plugin_index];
+        if(plugin_data == NULL) {
+            continue;
+        }
+        for(int32_t j=0; j<plugin_data->number_used_hooks; j++) {
+            replacement_data_hook_t * hook_data = &plugin_data->hooks[j];
+            if(hook_data->type == WUPS_LOADER_HOOK_GET_CONFIG) {
+                if(hook_data->func_pointer == NULL) {
+                    break;
+                }
+                void * func_ptr = hook_data->func_pointer;
+                WUPSConfig * cur_config = ((WUPSConfig* (*)(void))((uint32_t*)func_ptr) )();
+                DCFlushRange(cur_config, sizeof(WUPSConfig));
+                if(cur_config != NULL) {
+                    std::string fullPath(plugin_data->path);
+                    std::string path = fullPath.substr(0, fullPath.find_last_of("/"));
+                    size_t filenamePos = fullPath.find_last_of("/")+1;
+                    std::string filename = fullPath.substr(filenamePos, fullPath.find_last_of(".") - filenamePos);
+                    ConfigInformation * configInfo = new ConfigInformation(cur_config, path, filename.append(PLUGIN_CONFIG_FILE_EXT));
+                    configs.push_back(configInfo);
+                }
+            }
+        }
+    }
+    return configs;
+}
+
+void ConfigUtils::deleteConfigInformation(std::vector<ConfigInformation *> configs) {
+    for (auto & curConfig : configs) {
+        delete curConfig;
+    }
+}
+
+void ConfigUtils::loadConfigFromSD() {
+    deleteConfigInformation(getConfigInformation());
+}
+
+void ConfigUtils::openConfigMenu() {
+    std::vector<ConfigInformation *> configInfos = getConfigInformation();
+
+    std::vector<WUPSConfig *> configs;
+
+    for (auto & curConfig : configInfos) {
+        configs.push_back(curConfig->getConfig());
+    }
+
+    for (auto & curConfig : configs) {
+        DCFlushRange(curConfig, sizeof(WUPSConfig));
+    }
+
+    ConfigUtils::openConfigMenu(configs);
+
+    for (auto & curConfig : configs) {
+        DCFlushRange(curConfig, sizeof(WUPSConfig));
+    }
+
+    deleteConfigInformation(configInfos);
+}

loader/src/myutils/ConfigUtils.h

@@ -0,0 +1,81 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+#ifndef __CONFIG_UTILS_H_
+#define __CONFIG_UTILS_H_
+
+#include <wups.h>
+#include <wups/config/WUPSConfig.h>
+#include "ConfigInformation.h"
+
+class ConfigUtils {
+
+public:
+    /**
+        Loads the configuration files of all loaded plugins from the SDCard
+        and triggers the "loadValue" if they differ the default value.
+    **/
+    static void loadConfigFromSD();
+
+    /**
+        Opens the configuration menu where plugins can be configured.
+        Plugins need to implement the WUPS_GET_CONFIG() hook to show up in the menu.
+        The menu will be rendered on the TV and DRC screen, with optimization for the DRC.
+        If the menu is low, the menu may be only rendered to the DRC.
+    **/
+    static void openConfigMenu();
+
+private:
+    ConfigUtils() {}
+    ~ConfigUtils() {}
+
+    /**
+        Opens the configuration menu for a list of WUPSConfig.
+        If a configuration menu context could be created successfully, "configMenuOpenedCallback"
+        will be called, with the configs as an argument.
+    **/
+    static void openConfigMenu(std::vector<WUPSConfig*> configs);
+
+    /**
+        The callback that renders the configuration menu.
+        The args parameter expects a "std::vector<WUPSConfig*> *".
+        Depending on the screen
+    **/
+    static void configMenuOpenedCallback(wups_overlay_options_type_t screen, void * args);
+
+    /**
+        Gets the ConfigInformation for all loaded plugin that have implemented
+        the WUPS_GET_CONFIG() hook.
+
+        This triggers creating ConfigInformation objects.
+        ConfigInformation objects load the corresponding configuration file for a plugin
+        from the sd card. It also calls the "loadValue" function if a loaded value differs from the
+        default value. This behaviour may change in the future.
+        See the ConfigInformation class for more information.
+    **/
+    static std::vector<ConfigInformation *> getConfigInformation();
+
+    /**
+        Delete a list of ConfigInformation.
+        The destructor of "ConfigInformation" causes the configuration files for the plugin
+        to be written to the sd card (if the value have changed). This behaviour may change
+        in the future. See the ConfigInformation class for more information.
+    **/
+    static void deleteConfigInformation(std::vector<ConfigInformation *> configs);
+
+};
+
+#endif

loader/src/myutils/ScreenUtils.cpp

@@ -0,0 +1,69 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+#include <utils/logger.h>
+#include <wups.h>
+#include <stdarg.h>
+#include "dynamic_libs/os_functions.h"
+#include "ScreenUtils.h"
+
+void ScreenUtils::printTextOnScreen(wups_overlay_options_type_t screen, int x,int y, const char * msg, ...) {
+    if(screen == WUPS_OVERLAY_NONE) {
+        return;
+    }
+
+    char * tmp = NULL;
+
+    va_list va;
+    va_start(va, msg);
+    if((vasprintf(&tmp, msg, va) >= 0) && tmp) {
+        if(screen != WUPS_OVERLAY_DRC_ONLY) { // Draw TV if it's not DRC exclusive.
+            OSScreenPutFontEx(0, x, y, tmp);
+        }
+        if(screen != WUPS_OVERLAY_TV_ONLY) { // Draw DRC if it's not TV exclusive.
+            OSScreenPutFontEx(1, x, y, tmp);
+        }
+    }
+    va_end(va);
+
+    if(tmp) {
+        free(tmp);
+    }
+}
+
+void ScreenUtils::OSScreenClear(wups_overlay_options_type_t screen) {
+    if(screen == WUPS_OVERLAY_NONE) {
+        return;
+    }
+    if(screen != WUPS_OVERLAY_DRC_ONLY) { // Clear TV if it's not DRC exclusive.
+        OSScreenClearBufferEx(0, 0);
+    }
+    if(screen != WUPS_OVERLAY_TV_ONLY) { // Clear DRC if it's not TV exclusive.
+        OSScreenClearBufferEx(1, 0);
+    }
+}
+
+void ScreenUtils::flipBuffers(wups_overlay_options_type_t screen) {
+    if(screen == WUPS_OVERLAY_NONE) {
+        return;
+    }
+    if(screen != WUPS_OVERLAY_DRC_ONLY) { // Flip TV buffer if it's not DRC exclusive.
+        OSScreenFlipBuffersEx(0);
+    }
+    if(screen != WUPS_OVERLAY_TV_ONLY) { // Flip DRC buffer if it's not TV exclusive.
+        OSScreenFlipBuffersEx(1);
+    }
+}

loader/src/myutils/ScreenUtils.h

@@ -0,0 +1,50 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+#ifndef __SCREEN_UTILS_H_
+#define __SCREEN_UTILS_H_
+
+class ScreenUtils {
+public:
+    /**
+        Clears the screen for the given screens
+        \param screen defines on which screens should be printed
+        \param x defines the x position (character position) where the text should be printed
+        \param y defines on which line the text should be printed
+        \param msg C string that contains the text to be printed.
+               It can optionally contain embedded format specifiers that are replaced by the values specified in subsequent additional arguments and formatted as requested.
+               See printf for more information
+        \param ... Depending on the format string, the function may expect a sequence of additional arguments, each containing a value to be used to replace a format specifier in the format string
+    **/
+    static void printTextOnScreen(wups_overlay_options_type_t screen, int x,int y, const char * msg, ...);
+
+    /**
+        Clears the screen for the given screens
+        \param screen defines which screens should be cleared
+    **/
+    static void OSScreenClear(wups_overlay_options_type_t screen);
+
+    /**
+        Flips the buffer for the given screens
+        \param screen defines which screens should be flipped.
+    **/
+    static void flipBuffers(wups_overlay_options_type_t screen);
+private:
+    ScreenUtils() {}
+    ~ScreenUtils() {}
+
+};
+#endif

loader/src/patcher/hooks_patcher.cpp

@@ -4,6 +4,7 @@
 #include "common/retain_vars.h"
 #include "hooks_patcher.h"
 #include "myutils/overlay_helper.h"
+#include "myutils/ConfigUtils.h"
 #include "main.h"
 #include "utils.h"
 #include "mymemory/memory_mapping.h"
@@ -61,6 +62,48 @@ DECL(void, GX2WaitForVsync, void) {
 }
 
 uint8_t vpadPressCooldown = 0xFF;
+
+uint8_t angleX_counter = 0;
+float angleX_delta = 0.0f;
+float angleX_last = 0.0f;
+uint8_t angleX_frameCounter = 0;
+
+bool checkMagic(VPADData *buffer) {
+    // buffer->angle stores the rotations per axis since the app started.
+    // Each full rotation add/subtracts 1.0f (depending on the direction).
+
+    // Check for rotation every only 5 frames.
+    angleX_frameCounter++;
+    if(angleX_frameCounter >= 5) {
+        // Get how much the gamepad rotated within the last 5 frames.
+        float diff_angle = -(buffer->angle.x - angleX_last);
+        // We want the gamepad to make (on average) at least 0.16% (1/6) of a full rotation per 5 frames (for 6 times in a row).
+        float target_diff = (0.16f);
+        // Calculate if rotated enough in this step (including the delta from the last step).
+        float total_diff = (diff_angle + angleX_delta) - target_diff;
+        if(total_diff > 0.0f) {
+            // The rotation in this step was enough.
+            angleX_counter++;
+            // When the gamepad rotated ~0.16% for 6 times in a row we made a full rotation!
+            if(angleX_counter > 5) {
+                ConfigUtils::openConfigMenu();
+                // reset stuff.
+                angleX_counter = 0;
+                angleX_delta = 0.0f;
+            } else {
+                // Save difference as it will be added on the next check.
+                angleX_delta = total_diff;
+            }
+        } else {
+            // reset counter if it stopped rotating.
+            angleX_counter = 0;
+        }
+        angleX_frameCounter = 0;
+        angleX_last = buffer->angle.x;
+    }
+
+}
+
 DECL(int32_t, VPADRead, int32_t chan, VPADData *buffer, uint32_t buffer_size, int32_t *error) {
     int32_t result = real_VPADRead(chan, buffer, buffer_size, error);
 
@@ -72,6 +115,14 @@ DECL(int32_t, VPADRead, int32_t chan, VPADData *buffer, uint32_t buffer_size, in
         }
         vpadPressCooldown = 0x3C;
     }
+
+    if(result > 0 && (buffer[0].btns_h == (VPAD_BUTTON_L | VPAD_BUTTON_DOWN | VPAD_BUTTON_MINUS)) && vpadPressCooldown == 0 && OSIsHomeButtonMenuEnabled()) {
+        ConfigUtils::openConfigMenu();
+        vpadPressCooldown = 0x3C;
+    } else if(result > 0 && OSIsHomeButtonMenuEnabled()) {
+        checkMagic(buffer);
+    }
+
     if(vpadPressCooldown > 0) {
         vpadPressCooldown--;
     }

loader/src/settings/ConfigSettings.cpp

@@ -0,0 +1,262 @@
+/****************************************************************************
+ * Copyright (C) 2015 Dimok
+ * Modified by Maschell, 2018 for WiiU plugin system loader
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common/common.h"
+#include "ConfigSettings.h"
+#include <fs/CFile.hpp>
+#include <fs/FSUtils.h>
+#include <utils/StringTools.h>
+#include <utils/logger.h>
+#include <language/gettext.h>
+
+#define VERSION_LINE        "# WiiUPluginSystem - plugin settings file v"
+#define VALID_VERSION       1
+
+ConfigSettings::ConfigSettings(std::string configPath, std::string filename, std::map<int32_t, std::string> defaultValues, std::map<int32_t, std::string> settingsNames) {
+    bChanged = false;
+    memset(&nullValue, 0, sizeof(nullValue));
+    nullValue.strValue = new std::string();
+
+    this->configPath = configPath;
+    this->fileName = filename;
+    this->defaultValues = defaultValues;
+    this->settingsNames = settingsNames;
+
+    this->Load();
+}
+
+ConfigSettings::~ConfigSettings() {
+    for(uint32_t i = 0; i < settingsValues.size(); i++) {
+        if(settingsValues[i].dataType == TypeString)
+            delete settingsValues[i].strValue;
+    }
+    delete nullValue.strValue;
+}
+
+void ConfigSettings::SetDefault() {
+    for(uint32_t i = 0; i < settingsValues.size(); i++) {
+        if(settingsValues[i].dataType == TypeString) {
+            delete settingsValues[i].strValue;
+        }
+    }
+
+    for (auto & kv : settingsNames) {
+        settingsNames[kv.first] = kv.second;
+    }
+
+    for (auto & kv : defaultValues) {
+        SettingValue value;
+        value.dataType = TypeString;
+        value.strValue = new std::string(kv.second);
+        settingsValues[kv.first] = value;
+    }
+}
+
+bool ConfigSettings::Load() {
+    //! Reset default path variables to the right device
+    SetDefault();
+
+    std::string filepath = configPath + "/";
+    filepath += fileName;
+
+    DEBUG_FUNCTION_LINE("Loading Configuration from %s\n",filepath.c_str());
+
+    CFile file(filepath, CFile::ReadOnly);
+    if (!file.isOpen()) {
+        DEBUG_FUNCTION_LINE("Failed to open file\n");
+        bChanged = true;
+        return false;
+    }
+
+    std::string strBuffer;
+    strBuffer.resize(file.size());
+    file.read((uint8_t *) &strBuffer[0], strBuffer.size());
+    file.close();
+
+    //! remove all windows crap signs
+    size_t position;
+    while(1 && !strBuffer.empty()) {
+        position = strBuffer.find('\r');
+        if(position == std::string::npos)
+            break;
+
+        strBuffer.erase(position, 1);
+    }
+
+    std::vector<std::string> lines = StringTools::stringSplit(strBuffer, "\n");
+
+    if(lines.empty() || !ValidVersion(lines[0])) {
+        return false;
+    }
+
+    for(uint32_t i = 0; i < lines.size(); ++i) {
+        std::vector<std::string> valueSplit = StringTools::stringSplit(lines[i], "=");
+        if(valueSplit.size() != 2) {
+            continue;
+        }
+
+        while((valueSplit[0].size() > 0) && valueSplit[0][0] == ' ') {
+            valueSplit[0].erase(0, 1);
+        }
+        while((valueSplit[1].size() > 0) && valueSplit[1][ valueSplit[1].size() - 1 ] == ' ') {
+            valueSplit[1].resize(valueSplit[1].size() - 1);
+        }
+        for(uint32_t n = 0; n < settingsNames.size(); n++) {
+            if(settingsNames.empty()) {
+                continue;
+            }
+
+            if(valueSplit[0] == settingsNames[n]) {
+                switch(settingsValues[n].dataType) {
+                case TypeBool:
+                    settingsValues[n].bValue = atoi(valueSplit[1].c_str());
+                    break;
+                case TypeS8:
+                    settingsValues[n].cValue = atoi(valueSplit[1].c_str());
+                    break;
+                case TypeU8:
+                    settingsValues[n].ucValue = atoi(valueSplit[1].c_str());
+                    break;
+                case TypeS16:
+                    settingsValues[n].sValue = atoi(valueSplit[1].c_str());
+                    break;
+                case TypeU16:
+                    settingsValues[n].usValue = atoi(valueSplit[1].c_str());
+                    break;
+                case TypeS32:
+                    settingsValues[n].iValue = atoi(valueSplit[1].c_str());
+                    break;
+                case TypeU32:
+                    settingsValues[n].uiValue = strtoul(valueSplit[1].c_str(), 0, 10);
+                    break;
+                case TypeF32:
+                    settingsValues[n].fValue = atof(valueSplit[1].c_str());
+                    break;
+                case TypeString:
+                    if(settingsValues[n].strValue == NULL)
+                        settingsValues[n].strValue = new std::string();
+
+                    *settingsValues[n].strValue = valueSplit[1];
+                    break;
+                default:
+                    break;
+                }
+            }
+        }
+    }
+
+    return true;
+}
+
+bool ConfigSettings::ValidVersion(const std::string & versionString) {
+    int32_t version = 0;
+
+    if(versionString.find(VERSION_LINE) != 0) {
+        return false;
+    }
+
+    version = atoi(versionString.c_str() + strlen(VERSION_LINE));
+
+    return version == VALID_VERSION;
+}
+
+bool ConfigSettings::Reset() {
+    this->SetDefault();
+    bChanged = true;
+
+    if (this->Save()) {
+        return true;
+    }
+
+    return false;
+}
+
+int32_t ConfigSettings::getIdByName(std::string configID) {
+    for (auto & kv : settingsNames) {
+        if(configID.compare(kv.second) == 0) {
+            return kv.first;
+        }
+    }
+    return -1;
+}
+
+bool ConfigSettings::Save() {
+    if(!bChanged) {
+        DEBUG_FUNCTION_LINE("Nothing has changed, we can skip\n");
+        return true;
+    }
+
+    FSUtils::CreateSubfolder(configPath.c_str());
+
+    std::string filepath = configPath + "/";
+    filepath += fileName;
+
+    s32 res = open(filepath.c_str(), O_CREAT | O_TRUNC | O_WRONLY);
+    close(res);
+
+    CFile file(filepath, CFile::WriteOnly);
+    if (!file.isOpen()) {
+        DEBUG_FUNCTION_LINE("failed to open %s\n",filepath.c_str());
+        return false;
+    }
+
+    file.fwrite("%s%i\n", VERSION_LINE, VALID_VERSION);
+
+    for(uint32_t i = 0; i < settingsValues.size(); i++) {
+        switch(settingsValues[i].dataType) {
+        case TypeBool:
+            file.fwrite("%s=%i\n", settingsNames[i], settingsValues[i].bValue);
+            break;
+        case TypeS8:
+            file.fwrite("%s=%i\n", settingsNames[i], settingsValues[i].cValue);
+            break;
+        case TypeU8:
+            file.fwrite("%s=%i\n", settingsNames[i], settingsValues[i].ucValue);
+            break;
+        case TypeS16:
+            file.fwrite("%s=%i\n", settingsNames[i], settingsValues[i].sValue);
+            break;
+        case TypeU16:
+            file.fwrite("%s=%i\n", settingsNames[i], settingsValues[i].usValue);
+            break;
+        case TypeS32:
+            file.fwrite("%s=%i\n", settingsNames[i], settingsValues[i].iValue);
+            break;
+        case TypeU32:
+            file.fwrite("%s=%u\n", settingsNames[i], settingsValues[i].uiValue);
+            break;
+        case TypeF32:
+            file.fwrite("%s=%f\n", settingsNames[i], settingsValues[i].fValue);
+            break;
+        case TypeString:
+            if(settingsValues[i].strValue != NULL)
+                file.fwrite("%s=%s\n", settingsNames[i].c_str(), settingsValues[i].strValue->c_str());
+            break;
+        default:
+            break;
+        }
+    }
+
+    file.close();
+    bChanged = false;
+
+    return true;
+}

loader/src/settings/ConfigSettings.h

@@ -0,0 +1,240 @@
+/****************************************************************************
+ * Copyright (C) 2015 Dimok
+ *
+ * Modified by Maschell, 2018 for WiiU plugin system loader
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+#ifndef _CONFIG_SETTINGS_H_
+#define _CONFIG_SETTINGS_H_
+
+#include <string>
+#include <stdio.h>
+#include <dynamic_libs/os_types.h>
+#include <vector>
+#include <map>
+
+class ConfigSettings {
+public:
+    //!Constructor
+    ConfigSettings(std::string configPath, std::string filename, std::map<int32_t, std::string> defaultValues, std::map<int32_t, std::string> settingsNames);
+    //!Destructor
+    ~ConfigSettings();
+
+    //!Set Default Settings
+    void SetDefault();
+    //!Load Settings
+    bool Load();
+    //!Save Settings
+    bool Save();
+    //!Reset Settings
+    bool Reset();
+
+    enum DataTypes {
+        TypeNone,
+        TypeBool,
+        TypeS8,
+        TypeU8,
+        TypeS16,
+        TypeU16,
+        TypeS32,
+        TypeU32,
+        TypeF32,
+        TypeString
+    };
+
+    const uint8_t & getDataType(int32_t idx) {
+        if(isValidId(idx)) {
+            return settingsValues[idx].dataType;
+        }
+        return nullValue.dataType;
+    }
+
+    const bool & getValueAsBool(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeBool) {
+            return settingsValues[idx].bValue;
+        }
+        return nullValue.bValue;
+    }
+    const int8_t & getValueAsS8(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeS8) {
+            return settingsValues[idx].cValue;
+        }
+        return nullValue.cValue;
+    }
+    const uint8_t & getValueAsU8(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeU8) {
+            return settingsValues[idx].ucValue;
+        }
+        return nullValue.ucValue;
+    }
+    const int16_t & getValueAsS16(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeS16) {
+            return settingsValues[idx].sValue;
+        }
+        return nullValue.sValue;
+    }
+    const uint16_t & getValueAsU16(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeU16) {
+            return settingsValues[idx].usValue;
+        }
+        return nullValue.usValue;
+    }
+    const int32_t & getValueAsS32(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeS32) {
+            return settingsValues[idx].iValue;
+        }
+        return nullValue.iValue;
+    }
+    const uint32_t & getValueAsU32(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeU32) {
+            return settingsValues[idx].uiValue;
+        }
+        return nullValue.uiValue;
+    }
+    const float & getValueAsF32(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeF32) {
+            return settingsValues[idx].fValue;
+        }
+        return nullValue.fValue;
+    }
+    const std::string & getValueAsString(int32_t idx) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeString && settingsValues[idx].strValue) {
+            return *(settingsValues[idx].strValue);
+        }
+        return *(nullValue.strValue);
+    }
+
+    void setValueAsBool(int32_t idx, const bool & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeBool) {
+            if(settingsValues[idx].bValue != val) {
+                settingsValues[idx].bValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsS8(int32_t idx, const int8_t & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeS8) {
+            if(settingsValues[idx].cValue != val) {
+                settingsValues[idx].cValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsU8(int32_t idx, const uint8_t & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeU8) {
+            if(settingsValues[idx].ucValue != val) {
+                settingsValues[idx].ucValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsS16(int32_t idx, const int16_t & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeS16) {
+            if(settingsValues[idx].sValue != val) {
+                settingsValues[idx].sValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsU16(int32_t idx, const uint16_t & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeU16) {
+            if(settingsValues[idx].usValue != val) {
+                settingsValues[idx].usValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsS32(int32_t idx, const int32_t & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeS32) {
+            if(settingsValues[idx].iValue != val) {
+                settingsValues[idx].iValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsU32(int32_t idx, const uint32_t & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeU32) {
+            if(settingsValues[idx].uiValue != val) {
+                settingsValues[idx].uiValue = val;
+                bChanged = true;
+            }
+
+        }
+    }
+
+    void setValueAsF32(int32_t idx, const float & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeF32) {
+            if(settingsValues[idx].fValue != val) {
+                settingsValues[idx].fValue = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    void setValueAsString(int32_t idx, const std::string & val) {
+        if(isValidId(idx) && settingsValues[idx].dataType == TypeString && settingsValues[idx].strValue) {
+            if(val.compare(*(settingsValues[idx].strValue)) != 0) { // Only update if the value changed.
+                *(settingsValues[idx].strValue) = val;
+                bChanged = true;
+            }
+        }
+    }
+
+    int32_t getIdByName(std::string configID);
+
+protected:
+    bool ValidVersion(const std::string & versionString);
+
+    bool isValidId(int32_t idx) {
+        return (settingsValues.count(idx) > 0);
+    }
+
+    typedef struct {
+        uint8_t dataType;
+
+        union {
+            bool bValue;
+            int8_t cValue;
+            uint8_t ucValue;
+            int16_t sValue;
+            uint16_t usValue;
+            int32_t iValue;
+            uint32_t uiValue;
+            float fValue;
+            std::string *strValue;
+        };
+    } SettingValue;
+
+    SettingValue nullValue;
+
+    std::string configPath;
+    std::string fileName;
+
+    std::map<int32_t, SettingValue> settingsValues;
+
+    std::map<int32_t, std::string> defaultValues;
+    std::map<int32_t, std::string> settingsNames;
+
+
+    bool bChanged;
+};
+
+#endif

wups_include/wups/config.h

@@ -0,0 +1,30 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#ifndef WUPS_CONFIG_HOOKS_DEF_H_
+#define WUPS_CONFIG_HOOKS_DEF_H_
+
+#include "hooks.h"
+#include "config/WUPSConfig.h"
+
+#define WUPS_GET_CONFIG() \
+    WUPSConfig* get_config();\
+    WUPS_HOOK_EX(WUPS_LOADER_HOOK_GET_CONFIG,get_config); \
+    WUPSConfig* get_config()
+
+
+#endif /* WUPS_CONFIG_HOOKS_DEF_H_ */

wups_include/wups/config/WUPSConfig.h

@@ -0,0 +1,87 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#ifndef _WUPS_CONFIG_H_
+#define _WUPS_CONFIG_H_
+
+#include <string>
+#include <vector>
+#include <wups/config/WUPSConfigCategory.h>
+
+class WUPSConfig {
+public:
+    WUPSConfig(std::string name) {
+        this->name = name;
+    }
+
+    ~WUPSConfig() {
+        for (auto & element : categories) {
+            delete element;
+        }
+    }
+
+    /**
+        \return Returns the name of this WUPSConfig
+    **/
+    std::string getName(){
+        return this->name;
+    }
+
+    /**
+        \brief  Creates a new WUPSCategory add its to this WUPSConfig.
+                The category will be added to the end of the list.
+                This class holds responsibility for deleting the created instance.
+
+        \param categoryName: The name of the category that will be created.
+
+        \return On success, the created and inserted category will be returned.
+    **/
+    WUPSConfigCategory * addCategory(std::string categoryName){
+        WUPSConfigCategory * curCat = new WUPSConfigCategory(categoryName);
+        categories.push_back(curCat);
+        return curCat;
+    }
+
+    /**
+        \brief  Adds a given WUPSConfigCategory to this WUPSConfig.
+                The category will be added to the end of the list.
+                This class holds responsibility for deleting the created instance.
+
+        \param category: The category that will be added to this config.
+
+        \return On success, the inserted category will be returned.
+                On error NULL will be returned. In this case the caller still has the responsibility
+                for deleting the WUPSConfigCategory instance.
+    **/
+    WUPSConfigCategory * addCategory(WUPSConfigCategory * category){
+        categories.push_back(category);
+        return category;
+    }
+
+    /**
+        \return Returns a vector with all categories.
+    **/
+    std::vector<WUPSConfigCategory *> getCategories(){
+        return this->categories;
+    }
+
+private:
+    std::string name;
+    std::vector<WUPSConfigCategory *> categories;
+};
+
+#endif

wups_include/wups/config/WUPSConfigCategory.h

@@ -0,0 +1,72 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#ifndef _WUPS_CONFIG_CATEGORY_H_
+#define _WUPS_CONFIG_CATEGORY_H_
+
+#include <string>
+#include <vector>
+#include <wups/config/WUPSConfigItem.h>
+
+class WUPSConfigCategory {
+public:
+    WUPSConfigCategory(std::string name) {
+        this->name = name;
+    }
+
+    ~WUPSConfigCategory() {
+        for (auto & element : items) {
+            delete element;
+        }
+    }
+
+    /**
+        \return Returns the name of this WUPSConfigCategory
+    **/
+    std::string getName(){
+        return this->name;
+    }
+
+    /**
+        \brief  Adds a given WUPSConfigItem to this WUPSConfigCategory.
+                The item will be added to the end of the list.
+                This class holds responsibility for deleting the created instance.
+
+        \param item: The item that will be added to this config.
+
+        \return On success, the inserted item will be returned.
+                On error NULL will be returned. In this case the caller still has the responsibility
+                for deleting the WUPSConfigItem instance.
+    **/
+    WUPSConfigItem * addItem(WUPSConfigItem * item){
+        items.push_back(item);
+        return item;
+    }
+
+    /**
+        \return Returns a vector with all items.
+    **/
+    std::vector<WUPSConfigItem *> getItems(){
+        return this->items;
+    }
+
+private:
+    std::string name;
+    std::vector<WUPSConfigItem *> items;
+};
+
+#endif

wups_include/wups/config/WUPSConfigItem.h

@@ -0,0 +1,131 @@
+/****************************************************************************
+ * Copyright (C) 2018 Maschell
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#ifndef _WUPS_CONFIG_ITEM_H_
+#define _WUPS_CONFIG_ITEM_H_
+
+#include <string>
+#include <vector>
+
+#define WUPS_CONFIG_BUTTON_NONE     0
+#define WUPS_CONFIG_BUTTON_LEFT     (1<<0)
+#define WUPS_CONFIG_BUTTON_RIGHT    (1<<1)
+#define WUPS_CONFIG_BUTTON_UP       (1<<2)
+#define WUPS_CONFIG_BUTTON_DOWN     (1<<3)
+#define WUPS_CONFIG_BUTTON_A        (1<<4)
+#define WUPS_CONFIG_BUTTON_B        (1<<5)
+#define WUPS_CONFIG_BUTTON_ZL       (1<<6)
+#define WUPS_CONFIG_BUTTON_ZR       (1<<7)
+typedef int32_t WUPSConfigButtons;
+
+class WUPSConfigItem {
+public:
+    /**
+        Sets the display name of this WUPSConfigItem
+        This is the value which will be shown in the configuration menu.
+    **/
+    virtual void setDisplayName(std::string displayName) {
+        this->displayName = displayName;
+    }
+
+    /**
+        \return Returns the display name of this WUPSConfigItem
+    **/
+    virtual std::string getDisplayName() {
+        return this->displayName;
+    }
+
+    /**
+        Sets the config ID name of this WUPSConfigItem.
+        This config ID is used to persist the configuration values and needs
+        to be unique in the context of this WUPSConfig.
+        Items in different categories are NOT allowed to have the config ID.
+    **/
+    virtual void setConfigID(std::string configID) {
+        this->configID = configID;
+    }
+
+    /**
+        \return Returns the configID of this WUPSConfigItem.
+    **/
+    virtual std::string getConfigID() {
+        return this->configID;
+    }
+
+    /**
+        Returns a string that displays the current value.
+        This string is shown next to the display name when the cursor is NOT on this item
+    **/
+    virtual std::string getCurrentValueDisplay() = 0;
+
+    /**
+        Returns a string that displays the current value when selected.
+        This string is shown next to the display name when the cursor IS on this item
+    **/
+    virtual std::string getCurrentValueSelectedDisplay() = 0;
+
+    /**
+        Is called when the cursor enters or leaves the item.
+        When the cursor enters the item, "isSelected" will be true.
+        When the cursor leaves the item, "isSelected" will be false.
+    **/
+    virtual void onSelected(bool isSelected) = 0;
+
+    /**
+        Is called when a button is pressed while the cursor on this item.
+        See the WUPSConfigButtons enum for possible values.
+    **/
+    virtual void onButtonPressed(WUPSConfigButtons buttons) = 0;
+
+    /**
+        When the cursor is on this item, the configuration menu asks this item
+        if it's allowed to leave it.
+        If it returns true, the item can be leaved.
+        It it returns false, leaves is not allowed.
+    **/
+    virtual bool isMovementAllowed() = 0;
+
+    /**
+        Returns a string that represents the value of this item.
+    **/
+    virtual std::string persistValue() = 0;
+
+    /**
+        Loads a value for a given string that contains the persisted value.
+        \param persistedValue A valued that the result of the persistValue function
+    **/
+    virtual void loadValue(std::string persistedValue) = 0;
+
+    /**
+        Restores the default value
+    **/
+    virtual void restoreDefault() = 0;
+
+    WUPSConfigItem(std::string configID, std::string displayName){
+        this->configID = configID;
+        this->displayName = displayName;
+    }
+
+    virtual ~WUPSConfigItem(){
+    }
+private:
+    std::string displayName;
+
+    std::string configID;
+};
+
+#endif

wups_include/wups/hooks.h

@@ -45,6 +45,7 @@ typedef enum wups_loader_hook_type_t {
     WUPS_LOADER_HOOK_APP_STATUS_CHANGED,    /* Called when the app status changes (foreground, background, closing) */
        
     WUPS_LOADER_HOOK_INIT_KERNEL,           /* Only for internal usage */
+    WUPS_LOADER_HOOK_GET_CONFIG,            /* Called when the config-menu will be loaded */
 } wups_loader_hook_type_t;
 
 typedef struct wups_loader_hook_t {