From 8c3af859bc1df779e1ef58644b7e68a7f6d0fd9c Mon Sep 17 00:00:00 2001
From: wins1ey <wins1ey@wins1ey.win>
Date: Sat, 8 Nov 2025 23:34:30 +0000
Subject: [PATCH] Add default_folder config setting

Set the default folder in config.ini with the key `default_folder`.
For e.g. `default_folder = games`.
Cubeboot will start with that folder open instead of `/`.
---
 cubeboot/source/main.c     |  5 +++++
 cubeboot/source/settings.c |  7 +++++++
 cubeboot/source/settings.h |  1 +
 docs/settings.md           |  1 +
 patches/source/main.c      | 26 +++++++++++++++++++++++++-
 5 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/cubeboot/source/main.c b/cubeboot/source/main.c
index 8f4ab94..3d8b81a 100644
--- a/cubeboot/source/main.c
+++ b/cubeboot/source/main.c
@@ -315,6 +315,11 @@ int main(int argc, char **argv) {
     //     iprintf("Copying cube_logo_path: %p\n", cube_logo_ptr);
     //     strcpy(cube_logo_ptr, settings.cube_logo);
     // }
+    void *default_folder_ptr = (void*)get_symbol_value(symshdr, syment, symstringdata, "default_folder");
+    if (default_folder_ptr != NULL && settings.default_folder != NULL) {
+        iprintf("Copying default_folder: %p\n", default_folder_ptr);
+        strcpy(default_folder_ptr, settings.default_folder);
+    }
 
     // Copy other variables
     set_patch_value(symshdr, syment, symstringdata, "is_running_dolphin", is_running_dolphin);
diff --git a/cubeboot/source/settings.c b/cubeboot/source/settings.c
index b315092..49cb7ac 100644
--- a/cubeboot/source/settings.c
+++ b/cubeboot/source/settings.c
@@ -70,6 +70,13 @@ void load_settings() {
         settings.cube_logo = (char*)cube_logo;
     }
 
+    // default folder
+    const char *default_folder = ini_get(conf, "cubeboot", "default_folder");
+    if (default_folder != NULL) {
+        iprintf("Found default_folder = %s\n", default_folder);
+        settings.default_folder = (char*)default_folder;
+    }
+
     // default program
     const char *default_program = ini_get(conf, "cubeboot", "default_program");
     if (default_program != NULL) {
diff --git a/cubeboot/source/settings.h b/cubeboot/source/settings.h
index 6f6bc6c..6acd395 100644
--- a/cubeboot/source/settings.h
+++ b/cubeboot/source/settings.h
@@ -5,6 +5,7 @@
 typedef struct settings {
     u32 cube_color;
     char *cube_logo;
+    char *default_folder;
     u32 force_swiss_default;
     u32 show_watermark;
     u32 disable_mcp_select;
diff --git a/docs/settings.md b/docs/settings.md
index d88c195..f1de354 100644
--- a/docs/settings.md
+++ b/docs/settings.md
@@ -5,5 +5,6 @@ These are all of the values supported by the `cubeboot.ini` file.
 ```
 cube_color = 00ffff     # hex color code
 cube_logo = path.png    # path to a 352x40px PNG image
+default_folder = /path/to/folder  # default folder to open
 force_progressive = 1   # enables progressive scan
 ```
diff --git a/patches/source/main.c b/patches/source/main.c
index 96bfe84..c8a7189 100644
--- a/patches/source/main.c
+++ b/patches/source/main.c
@@ -45,6 +45,7 @@ __attribute_data__ u32 start_passthrough_game = 0;
 
 __attribute_data__ static u8 *cube_text_tex = NULL;
 __attribute_data__ char cube_logo_path[MAX_FILE_NAME] = {0};
+__attribute_data__ char default_folder[MAX_FILE_NAME] = {0};
 __attribute_data__ u32 force_progressive = 0;
 __attribute_data__ u32 force_swiss_boot = 0;
 
@@ -347,6 +348,29 @@ __attribute_used__ void mod_cube_anim() {
     }
 }
 
+__attribute_used__ char* resolve_default_folder() {
+    if (default_folder[0] == '\0') {
+        OSReport("No default folder set, opening root\n");
+        return "/";
+    }
+
+    const char *path = default_folder;
+    static char path_buf[MAX_FILE_NAME];
+    if (default_folder[0] != '/') {
+        snprintf(path_buf, sizeof(path_buf), "/%s", default_folder);
+        path = path_buf;
+    }
+
+    if (dvd_custom_open(path, FILE_ENTRY_TYPE_DIR, 0) != 0) {
+        OSReport("Could not open default folder: %s, opening root\n", path);
+        return "/";
+    }
+    dvd_custom_close(dvd_custom_status()->fd);
+
+    OSReport("Using default folder: %s\n", path);
+    return path;
+}
+
 __attribute_used__ void pre_thread_init() {
     dolphin_ARAMInit();
     orig_thread_init();
@@ -354,7 +378,7 @@ __attribute_used__ void pre_thread_init() {
     gm_init_heap();
     gm_init_thread();
     if (!start_passthrough_game) {
-        gm_start_thread("/");
+        gm_start_thread(resolve_default_folder());
     }
 }