config_emu improvements

modules/libSceUserService/CMakeLists.txt

@@ -5,4 +5,12 @@ project(${libName})
 
 add_library(${libName} SHARED entry.cpp)
 
+target_link_directories(${libName} PRIVATE
+  ${CMAKE_BINARY_DIR}/third_party/install/lib
+)
+
+add_dependencies(${libName} boost config_emu)
+target_compile_definitions(${libName} PUBLIC BOOST_ALL_NO_LIB)
+target_link_libraries(${libName} PUBLIC libboost_thread config_emu.lib)
+
 setupModule(${libName})

modules/libSceUserService/codes.h

@@ -11,3 +11,5 @@ constexpr int USER_SERVICE_ERROR_NO_EVENT                = -2137653241; /* 0x809
 constexpr int USER_SERVICE_ERROR_NOT_LOGGED_IN           = -2137653239; /* 0x80960009 */
 constexpr int USER_SERVICE_ERROR_BUFFER_TOO_SHORT        = -2137653238; /* 0x8096000A */
 } // namespace Err
+
+constexpr size_t USER_SERVICE_MAX_USER_NAME_LENGTH = 16;

modules/libSceUserService/entry.cpp

@@ -1,7 +1,10 @@
+#include "codes.h"
 #include "common.h"
-#include "errorcodes.h"
+#include "config_emu.h"
 #include "logging.h"
 
+#include <unordered_map>
+
 LOG_DEFINE_MODULE(libSceUserService);
 
 namespace {
@@ -17,6 +20,20 @@ struct UserServiceEvent {
 };
 
 enum UserServiceUserColor { USER_COLOR_BLUE, USER_COLOR_RED, USER_COLOR_GREEN, USER_COLOR_PINK };
+
+static std::unordered_map<std::string_view, UserServiceUserColor> colors = {
+    {"blue", USER_COLOR_BLUE},
+    {"red", USER_COLOR_RED},
+    {"green", USER_COLOR_GREEN},
+    {"pink", USER_COLOR_PINK},
+};
+
+static UserServiceUserColor map_user_color(std::string_view str) {
+  auto it = colors.find(str);
+  if (it != colors.end()) return it->second;
+  return USER_COLOR_BLUE;
+}
+
 } // namespace
 
 extern "C" {
@@ -36,8 +53,8 @@ EXPORT SYSV_ABI int32_t sceUserServiceTerminate() {
 }
 
 EXPORT SYSV_ABI int sceUserServiceGetInitialUser(int* userId) {
-  *userId = 1;
-
+  auto [lock, jData] = accessConfig()->accessModule(ConfigModFlag::GENERAL);
+  if (!getJsonParam(jData, "userIndex", *userId) || (*userId < 1 || *userId > 3)) *userId = 1;
   return Ok;
 }
 
@@ -47,7 +64,7 @@ EXPORT SYSV_ABI int sceUserServiceGetEvent(UserServiceEvent* event) {
   if (!logged_in) {
     logged_in        = true;
     event->eventType = UserServiceEventTypeLogin;
-    event->userId    = 1;
+    sceUserServiceGetInitialUser(&event->userId);
     return Ok;
   }
 
@@ -55,7 +72,7 @@ EXPORT SYSV_ABI int sceUserServiceGetEvent(UserServiceEvent* event) {
 }
 
 EXPORT SYSV_ABI int sceUserServiceGetLoginUserIdList(UserServiceLoginUserIdList* userId_list) {
-  userId_list->userId[0] = 1;
+  sceUserServiceGetInitialUser(&userId_list->userId[0]);
   userId_list->userId[1] = -1;
   userId_list->userId[2] = -1;
   userId_list->userId[3] = -1;
@@ -64,14 +81,36 @@ EXPORT SYSV_ABI int sceUserServiceGetLoginUserIdList(UserServiceLoginUserIdList*
 }
 
 EXPORT SYSV_ABI int sceUserServiceGetUserName(int userId, char* name, size_t size) {
+  if (userId < 1 || userId > 3) return Err::USER_SERVICE_ERROR_INVALID_ARGUMENT;
+
   std::string username = "Anon";
-  auto const  count    = username.copy(name, size - 1);
+  auto [lock, jData]   = accessConfig()->accessModule(ConfigModFlag::GENERAL);
+
+  try {
+    auto& profiles = (*jData)["profiles"];
+    auto& cprofile = profiles[userId - 1];
+    cprofile["name"].get_to(username);
+  } catch (json::exception& ex) {
+  }
+
+  auto const count = username.copy(name, std::min(USER_SERVICE_MAX_USER_NAME_LENGTH, size - 1));
   name[count]      = '\0';
   return Ok;
 }
 
 EXPORT SYSV_ABI int32_t sceUserServiceGetUserColor(int userId, UserServiceUserColor* color) {
-  *color = USER_COLOR_BLUE;
+  auto [lock, jData] = accessConfig()->accessModule(ConfigModFlag::GENERAL);
+
+  std::string _scolor;
+
+  try {
+    auto& profiles = (*jData)["profiles"];
+    auto& cprofile = profiles[userId - 1];
+    cprofile["color"].get_to(_scolor);
+  } catch (json::exception& ex) {
+  }
+
+  *color = map_user_color(_scolor);
   return Ok;
 }
 }

tools/config_emu/config_emu.cpp

@@ -106,21 +106,81 @@ Config::Config() {
       should_backup = true;
     }
 
-    for (auto& [dkey, dval]: defaults.items()) {
-      if ((item->_json)[dkey].is_null() && !dval.is_null()) {
-        (item->_json)[dkey] = dval;
-        should_resave       = true;
-        printf("%s: missing parameter \"%s\" has been added!\n", item->_name.data(), dkey.c_str());
+    std::function<bool(json&, json&)> fixMissing;
+    std::function<bool(json&, json&)> removeUnused;
+
+    /**
+     * @brief This function is necessary since json.items()
+     * translates every key to string. Even the array indexes,
+     * so we have to translate it back to number for arrays.
+     *
+     */
+    auto getVal = [](json& _o, std::string_view key) -> json& {
+      if (_o.is_array()) {
+        int  _tempi;
+        auto res = std::from_chars(key.data(), key.data() + key.size(), _tempi);
+        if (res.ec == std::errc::invalid_argument) {
+          printf("Unreachable scenario!\n"); // At least it should be
+          exit(1);
+        }
+        return _o[_tempi];
+      }
+
+      return _o[key];
+    };
+
+    fixMissing = [&should_backup, &getVal, &fixMissing](json& obj, json& def) -> bool {
+      bool missing = false;
+
+      for (auto& [dkey, dval]: def.items()) {
+        json& cval = getVal(obj, dkey);
+
+        if (cval.is_null() && !dval.is_null()) {
+          cval    = dval;
+          missing = true;
+        } else if (dval.is_structured()) {
+          if (cval.is_structured()) { // Function calls itself if json element is array or object
+            missing |= fixMissing(cval, dval);
+            continue;
+          }
+
+          should_backup = true;
+          cval          = dval;
+          missing       = true;
         }
       }
 
-    for (auto& [ckey, cval]: item->_json.items()) {
-      if (defaults[ckey].is_null()) {
-        item->_json.erase(ckey);
+      return missing;
+    };
+
+    if (fixMissing(item->_json, defaults)) {
+      should_resave = true;
+      printf("%s: some missing parameters has been added!\n", item->_name.data());
+    }
+
+    // Just the same thing as above, but for removing unused keys this time
+    removeUnused = [&getVal, &removeUnused](json& obj, json& def) -> bool {
+      bool unused = false;
+
+      for (auto& [ckey, cval]: obj.items()) {
+        json& dval = getVal(def, ckey);
+
+        if (dval.is_null()) {
+          obj.erase(ckey);
+          unused = true;
+        } else if (dval.is_structured()) {
+          unused |= removeUnused(cval, dval);
+          continue;
+        }
+      }
+
+      return unused;
+    };
+
+    if (removeUnused(item->_json, defaults)) {
       should_backup = true;
       should_resave = true;
-        printf("%s: unused parameter \"%s\" has been removed!\n", item->_name.data(), ckey.c_str());
-      }
+      printf("%s: some unused parameters has been removed!\n", item->_name.data());
     }
 
     if (should_backup == true && std::filesystem::exists(path)) {
@@ -137,6 +197,7 @@ Config::Config() {
   };
 
   const json defaultpad  = {{"type", "gamepad"}, {"deadzones", {{"left_stick", {{"x", 0.0f}, {"y", 0.0f}}}, {"right_stick", {{"x", 0.0f}, {"y", 0.0f}}}}}};
+  const json defaultprof = {{"name", "Anon"}, {"color", "blue"}};
 
   m_logging._future =
       std::async(std::launch::async | std::launch::deferred, load, &m_logging, json({{"sink", "FileBin"}, {"verbosity", 1}}), ConfigModFlag::LOGGING);
@@ -160,5 +221,7 @@ Config::Config() {
                                          }}}),
                                   ConfigModFlag::CONTROLS);
 
-  m_general._future = std::async(std::launch::async, load, &m_general, json({{"systemlang", 1}}), ConfigModFlag::GENERAL);
+  m_general._future =
+      std::async(std::launch::async, load, &m_general,
+                 json({{"systemlang", 1}, {"userIndex", 1}, {"profiles", json::array({defaultprof, defaultprof, defaultprof})}}), ConfigModFlag::GENERAL);
 }