Add language selection on first load & from HOME

arm9/source/filesys/support.h

@@ -3,6 +3,7 @@
 #include "common.h"
 
 // scripts / payloads dir names
+#define LANGUAGES_DIR   "languages"
 #define SCRIPTS_DIR     "scripts"
 #define PAYLOADS_DIR    "payloads"
 
@@ -11,5 +12,6 @@ size_t LoadSupportFile(const char* fname, void* buffer, size_t max_len);
 bool SaveSupportFile(const char* fname, void* buffer, size_t len);
 bool SetAsSupportFile(const char* fname, const char* source);
 
+bool GetSupportDir(char* path, const char* dname);
 bool CheckSupportDir(const char* fpath);
 bool FileSelectorSupport(char* result, const char* text, const char* dname, const char* pattern);

arm9/source/godmode.c

@@ -2446,6 +2446,34 @@ u32 GodMode(int entrypoint) {
 
     if (!language_loaded) {
         SetLanguage(NULL, 0);
+
+        char loadpath[256];
+        if (LanguageMenu(loadpath, "Select Language for GodMode9:")) {
+            size_t fsize = FileGetSize(loadpath);
+            if (fsize > 0) {
+                char* data = (char*)malloc(fsize);
+                if (data) {
+                    FileGetData(loadpath, data, fsize, 0);
+                    SaveSupportFile("language.trf", data, fsize);
+                    SetLanguage(data, fsize);
+                    free(data);
+                }
+            }
+
+            // Try load font with the same name
+            char *ext = strstr(loadpath, ".trf");
+            strcpy(ext, ".frf");
+            fsize = FileGetSize(loadpath);
+            if (fsize > 0) {
+                char* data = (char*)malloc(fsize);
+                if (data) {
+                    FileGetData(loadpath, data, fsize, 0);
+                    SaveSupportFile("font.frf", data, fsize);
+                    SetFont(data, fsize);
+                    free(data);
+                }
+            }
+        }
     }
 
     // check for embedded essential backup
@@ -2888,6 +2916,7 @@ u32 GodMode(int entrypoint) {
             u32 n_opt = 0;
             int poweroff = ++n_opt;
             int reboot = ++n_opt;
+            int language = ++n_opt;
             int brick = (HID_ReadState() & BUTTON_R1) ? ++n_opt : 0;
             int titleman = ++n_opt;
             int scripts = ++n_opt;
@@ -2896,6 +2925,7 @@ u32 GodMode(int entrypoint) {
             if (poweroff > 0) optionstr[poweroff - 1] = STR_POWEROFF_SYSTEM;
             if (reboot > 0) optionstr[reboot - 1] = STR_REBOOT_SYSTEM;
             if (titleman > 0) optionstr[titleman - 1] = STR_TITLE_MANAGER;
+            if (language > 0) optionstr[language - 1] = STR_LANGUAGE;
             if (brick > 0) optionstr[brick - 1] = STR_BRICK_MY_3DS;
             if (scripts > 0) optionstr[scripts - 1] = STR_SCRIPTS;
             if (payloads > 0) optionstr[payloads - 1] = STR_PAYLOADS;
@@ -2934,6 +2964,38 @@ u32 GodMode(int entrypoint) {
                             break;
                         } else ShowPrompt(false, "%s", STR_FAILED_SETTING_UP_TITLE_MANAGER);
                     }
+                } else if (user_select == language) {
+                    if (!CheckSupportDir(LANGUAGES_DIR)) {
+                        ShowPrompt(false, STR_LANGUAGES_DIRECTORY_NOT_FOUND, LANGUAGES_DIR);
+                    } else if (LanguageMenu(loadpath, STR_HOME_LANGUAGE_MENU_SELECT_LANGUAGE)) {
+                        size_t fsize = FileGetSize(loadpath);
+                        if (fsize > 0) {
+                            char* data = (char*)malloc(fsize);
+                            if (data) {
+                                FileGetData(loadpath, data, fsize, 0);
+                                SaveSupportFile("language.trf", data, fsize);
+                                SetLanguage(data, fsize);
+                                free(data);
+                            }
+
+                            // Try load font with the same name
+                            char *ext = strstr(loadpath, ".trf");
+                            strcpy(ext, ".frf");
+                            fsize = FileGetSize(loadpath);
+                            if (fsize > 0) {
+                                char* data = (char*)malloc(fsize);
+                                if (data) {
+                                    FileGetData(loadpath, data, fsize, 0);
+                                    SaveSupportFile("font.frf", data, fsize);
+                                    SetFont(data, fsize);
+                                    free(data);
+                                }
+                            }
+                        }
+                        GetDirContents(current_dir, current_path);
+                        ClearScreenF(true, true, COLOR_STD_BG);
+                        break;
+                    }
                 } else if (user_select == scripts) {
                     if (!CheckSupportDir(SCRIPTS_DIR)) {
                         ShowPrompt(false, STR_SCRIPTS_DIRECTORY_NOT_FOUND, SCRIPTS_DIR);

arm9/source/language.c

@@ -1,4 +1,8 @@
 #include "language.h"
+#include "fsdrive.h"
+#include "fsutil.h"
+#include "support.h"
+#include "ui.h"
 
 #define STRING(what, def) const char* STR_##what = NULL;
 #include "language.inl"
@@ -133,3 +137,52 @@ const void* GetLanguage(const void* riff, const u32 riff_size, u32* version, u32
 
     return NULL;
 }
+
+int compLanguage(const void *e1, const void *e2) {
+	const Language *entry2 = (const Language *) e2;
+	const Language *entry1 = (const Language *) e1;
+	return strncasecmp(entry1->name, entry2->name, 256);
+}
+
+bool LanguageMenu(char* result, const char* title) {
+    DirStruct* langDir = (DirStruct*)malloc(sizeof(DirStruct));
+    if (!langDir) return false;
+
+    char path[256];
+    if (!GetSupportDir(path, LANGUAGES_DIR)) return false;
+    GetDirContents(langDir, path);
+
+    char* header = (char*)malloc(0x2C0);
+    Language* langs = (Language*)malloc(langDir->n_entries * sizeof(Language));
+    int langCount = 0;
+
+    // Find all valid files and get their language names
+    for (u32 i = 0; i < langDir->n_entries; i++) {
+        if (langDir->entry[i].type == T_FILE) {
+            size_t fsize = FileGetSize(langDir->entry[i].path);
+            FileGetData(langDir->entry[i].path, header, 0x2C0, 0);
+            if (GetLanguage(header, fsize, NULL, NULL, langs[langCount].name)) {
+                memcpy(langs[langCount].path, langDir->entry[i].path, 256);
+                langCount++;
+            }
+        }
+    }
+
+    free(langDir);
+    free(header);
+
+    qsort(langs, langCount, sizeof(Language), compLanguage);
+
+    // Make an array of just the names for the select promt
+    const char* langNames[langCount];
+    for (int i = 0; i < langCount; i++) {
+        langNames[i] = langs[i].name;
+    }
+
+    u32 selected = ShowSelectPrompt(langCount, langNames, "%s", title);
+    if (selected > 0 && result) {
+        memcpy(result, langs[selected - 1].path, 256);
+    }
+
+    return selected > 0;
+}

arm9/source/language.h

@@ -8,3 +8,5 @@
 
 bool SetLanguage(const void* translation, u32 translation_size);
 const void* GetLanguage(const void* riff, u32 riff_size, u32* version, u32* count, char* language_name);
+
+bool LanguageMenu(char* result, const char* title);

arm9/source/language.inl

@@ -458,6 +458,7 @@ STRING(FAILED_CREATING_FOLDER_PATH, "Failed creating folder:\n%s")
 STRING(FAILED_CREATING_FILE_PATH, "Failed creating file:\n%s")
 STRING(TITLE_MANAGER, "Title manager")
 STRING(BRICK_MY_3DS, "Brick my 3DS")
+STRING(LANGUAGE, "Language...")
 STRING(SCRIPTS, "Scripts...")
 STRING(PAYLOADS, "Payloads...")
 STRING(MORE, "More...")
@@ -469,7 +470,9 @@ STRING(4_DRIVE_NAND_TWL, "[4:] NAND / TWL")
 STRING(A_DRIVE_SD_CARD, "[A:] SD CARD")
 STRING(B_DRIVE_SD_CARD, "[B:] SD CARD")
 STRING(TITLE_MANAGER_MENU_SELECT_TITLES_SOURCE, "Title manager menu.\nSelect titles source:")
+STRING(LANGUAGES_DIRECTORY_NOT_FOUND, "Languages directory not found.\n(default path: 0:/gm9/%s)")
 STRING(SCRIPTS_DIRECTORY_NOT_FOUND, "Scripts directory not found.\n(default path: 0:/gm9/%s)")
+STRING(HOME_LANGUAGE_MENU_SELECT_LANGUAGE, "HOME language... menu.\nSelect language:")
 STRING(HOME_SCRIPTS_MENU_SELECT_SCRIPT, "HOME scripts... menu.\nSelect script:")
 STRING(PAYLOADS_DIRECTORY_NOT_FOUND, "Payloads directory not found.\n(default path: 0:/gm9/%s)")
 STRING(HOME_PAYLOADS_MENU_SELECT_PAYLOAD, "HOME payloads... menu.\nSelect payload:")

resources/languages/source.json

@@ -456,6 +456,7 @@
 	"FAILED_CREATING_FILE_PATH": "Failed creating file:\n%s",
 	"TITLE_MANAGER": "Title manager",
 	"BRICK_MY_3DS": "Brick my 3DS",
+	"LANGUAGE": "Language...",
 	"SCRIPTS": "Scripts...",
 	"PAYLOADS": "Payloads...",
 	"MORE": "More...",
@@ -467,7 +468,9 @@
 	"A_DRIVE_SD_CARD": "[A:] SD CARD",
 	"B_DRIVE_SD_CARD": "[B:] SD CARD",
 	"TITLE_MANAGER_MENU_SELECT_TITLES_SOURCE": "Title manager menu.\nSelect titles source:",
+	"LANGUAGES_DIRECTORY_NOT_FOUND": "Languages directory not found.\n(default path: 0:/gm9/%s)",
 	"SCRIPTS_DIRECTORY_NOT_FOUND": "Scripts directory not found.\n(default path: 0:/gm9/%s)",
+	"HOME_LANGUAGE_MENU_SELECT_LANGUAGE": "HOME language... menu.\nSelect language:",
 	"HOME_SCRIPTS_MENU_SELECT_SCRIPT": "HOME scripts... menu.\nSelect script:",
 	"PAYLOADS_DIRECTORY_NOT_FOUND": "Payloads directory not found.\n(default path: 0:/gm9/%s)",
 	"HOME_PAYLOADS_MENU_SELECT_PAYLOAD": "HOME payloads... menu.\nSelect payload:",