ios: Add a system directory '/var/mobile/Library/RetroArch'

All save games are store there. It is also searched for a retroarch.cfg file.
     If you want to run in the simulator you will need to create and give yourself access to this directory manually.

ios/RetroArch/RetroArch_iOS.h

@@ -15,5 +15,9 @@
 @property (strong, nonatomic) NSString *module_path;
 @property (strong, nonatomic) UINavigationController *navigator;
 @property (strong, nonatomic) NSString *nib_name;
+@property (strong, nonatomic) UIImage* file_icon;
+@property (strong, nonatomic) UIImage* folder_icon;
+
+@property const char* system_directory;
 
 @end

ios/RetroArch/RetroArch_iOS.m

@@ -5,6 +5,8 @@
 //  Copyright (c) 2013 RetroArch. All rights reserved.
 //
 
+#include <sys/stat.h>
+
 #define MAX_TOUCH 16
 extern struct
 {
@@ -25,8 +27,16 @@ extern uint32_t ios_current_touch_count ;
 
 - (void)applicationDidFinishLaunching:(UIApplication *)application
 {
+   // TODO: Relocate this!
+   self.system_directory = "/var/mobile/Library/RetroArch/";
+   mkdir(self.system_directory, 0755);
+
    bool is_iphone = [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone;
    self.nib_name = is_iphone ? @"ViewController_iPhone" : @"ViewController_iPad";
+   
+   self.file_icon = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"ic_file" ofType:@"png"]];
+   self.folder_icon = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"ic_dir" ofType:@"png"]];
+
 
    self.navigator = [[UINavigationController alloc] initWithNibName:self.nib_name bundle:nil];
    [self.navigator pushViewController: [[module_list alloc] initWithNibName:self.nib_name bundle:nil] animated:YES];

ios/RetroArch/directory_list.m

@@ -14,9 +14,6 @@
 
    UITableView* table;
    struct dirent_list* files;
-   
-   UIImage* file_icon;
-   UIImage* folder_icon;
 };
 
 - (id)load_path:(const char*)directory
@@ -43,9 +40,6 @@
 {
    [super viewDidLoad];
 
-   file_icon = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"ic_file" ofType:@"png"]];
-   folder_icon = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"ic_dir" ofType:@"png"]];
-
    table = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 640, 480) style:UITableViewStylePlain];
    table.dataSource = self;
    table.delegate = self;
@@ -102,7 +96,7 @@
    {
       cell.textLabel.text = [[NSString string] initWithUTF8String:item->d_name];
       cell.accessoryType = (item->d_type) ? UITableViewCellAccessoryDisclosureIndicator : UITableViewCellAccessoryNone;
-      cell.imageView.image = (item->d_type) ? folder_icon : file_icon;
+      cell.imageView.image = (item->d_type) ? [RetroArch_iOS get].folder_icon : [RetroArch_iOS get].file_icon;
       [cell.imageView sizeToFit];
    }
 

ios/RetroArch/game_view.m

@@ -26,15 +26,16 @@ void ios_load_game(const char* file_name)
 {
    if(!ra_initialized && file_name)
    {
+      const char* const sd = [RetroArch_iOS get].system_directory;
       const char* libretro = [[RetroArch_iOS get].module_path UTF8String];
-      const char* overlay = [[[NSBundle mainBundle] pathForResource:@"overlay" ofType:@"cfg"] UTF8String];
-      
-      printf("%s\n", overlay);
 
-      strcpy(g_settings.input.overlay, overlay ? overlay : "");
+      char config_path[PATH_MAX];
+      snprintf(config_path, PATH_MAX, "%s/retroarch.cfg", sd);
+      config_path[PATH_MAX - 1] = 0;
+      bool have_config = 0 == access(config_path, R_OK);
 
-      const char* argv[] = {"retroarch", "-L", libretro, file_name, 0};
-      if (rarch_main_init(6, (char**)argv) == 0)
+      struct rarch_main_wrap main_wrapper = {file_name, sd, sd, have_config ? config_path : 0, libretro};
+      if (rarch_main_init_wrap(&main_wrapper) == 0)
       {
          rarch_init_msg_queue();
          ra_initialized = TRUE;