gui.c

   1 /* gameplaySP
   2  *
   3  * Copyright (C) 2006 Exophase <exophase@gmail.com>
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public Licens e as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "common.h"
  20 #include "font.h"
  21
  22 #ifndef _WIN32_WCE
  23
  24 #include <sys/stat.h>
  25 #include <unistd.h>
  26 #include <ctype.h>
  27 #include <dirent.h>
  28
  29 #endif
  30
  31 #define MAX_PATH 1024
  32
  33 // Blatantly stolen and trimmed from MZX (megazeux.sourceforge.net)
  34
  35 #ifdef GP2X_BUILD
  36
  37 #define FILE_LIST_ROWS 20
  38 #define FILE_LIST_POSITION 5
  39 #define DIR_LIST_POSITION 260
  40
  41 #else
  42
  43 #define FILE_LIST_ROWS 25
  44 #define FILE_LIST_POSITION 5
  45 #define DIR_LIST_POSITION (resolution_width * 3 / 4)
  46
  47 #endif
  48
  49 #ifdef PSP_BUILD
  50
  51 #define COLOR_BG            color16(2, 8, 10)
  52
  53 #define color16(red, green, blue)                                             \
  54   (blue << 11) | (green << 5) | red                                           \
  55
  56 #else
  57
  58 #define COLOR_BG            color16(0, 0, 0)
  59
  60 #define color16(red, green, blue)                                             \
  61   (red << 11) | (green << 5) | blue                                           \
  62
  63 #endif
  64
  65 #define COLOR_ROM_INFO      color16(22, 36, 26)
  66 #define COLOR_ACTIVE_ITEM   color16(31, 63, 31)
  67 #define COLOR_INACTIVE_ITEM color16(13, 40, 18)
  68 #define COLOR_FRAMESKIP_BAR color16(15, 31, 31)
  69 #define COLOR_HELP_TEXT     color16(16, 40, 24)
  70
  71 #ifdef PSP_BUILD
  72   static const char *clock_speed_options[] =
  73   {
  74     "33MHz", "66MHz", "100MHz", "133MHz", "166MHz", "200MHz", "233MHz",
  75     "266MHz", "300MHz", "333MHz"
  76   };
  77   #define menu_get_clock_speed() \
  78     clock_speed = (clock_speed_number + 1) * 33
  79   #define get_clock_speed_number() \
  80     clock_speed_number = (clock_speed / 33) - 1
  81 #elif defined(POLLUX_BUILD)
  82   static const char *clock_speed_options[] =
  83   {
  84     "300MHz", "333MHz", "366MHz", "400MHz", "433MHz",
  85     "466MHz", "500MHz", "533MHz", "566MHz", "600MHz",
  86     "633MHz", "666MHz", "700MHz", "733MHz", "766MHz",
  87     "800MHz", "833MHz", "866MHz", "900MHz"
  88   };
  89   #define menu_get_clock_speed() \
  90     clock_speed = 300 + (clock_speed_number * 3333) / 100
  91   #define get_clock_speed_number() \
  92     clock_speed_number = (clock_speed - 300) / 33
  93 #elif defined(GP2X_BUILD)
  94   static const char *clock_speed_options[] =
  95   {
  96     "150MHz", "160MHz", "170MHz", "180MHz", "190MHz",
  97     "200MHz", "210MHz", "220MHz", "230MHz", "240MHz",
  98     "250MHz", "260MHz", "270MHz", "280MHz", "290MHz"
  99   };
 100   #define menu_get_clock_speed() \
 101     clock_speed = 150 + clock_speed_number * 10
 102   #define get_clock_speed_number() \
 103     clock_speed_number = (clock_speed - 150) / 10
 104 #else
 105   static const char *clock_speed_options[] =
 106   {
 107     "0"
 108   };
 109   #define menu_get_clock_speed()
 110   #define get_clock_speed_number()
 111 #endif
 112
 113
 114 int sort_function(const void *dest_str_ptr, const void *src_str_ptr)
 115 {
 116   char *dest_str = *((char **)dest_str_ptr);
 117   char *src_str = *((char **)src_str_ptr);
 118
 119   if(src_str[0] == '.')
 120     return 1;
 121
 122   if(dest_str[0] == '.')
 123     return -1;
 124
 125   return strcasecmp(dest_str, src_str);
 126 }
 127
 128 s32 load_file(const char **wildcards, char *result)
 129 {
 130   DIR *current_dir;
 131   struct dirent *current_file;
 132   struct stat file_info;
 133   char current_dir_name[MAX_PATH];
 134   char current_dir_short[81];
 135   u32 current_dir_length;
 136   u32 total_filenames_allocated;
 137   u32 total_dirnames_allocated;
 138   char **file_list;
 139   char **dir_list;
 140   u32 num_files;
 141   u32 num_dirs;
 142   char *file_name;
 143   u32 file_name_length;
 144   u32 ext_pos = -1;
 145   u32 chosen_file, chosen_dir;
 146   s32 return_value = 1;
 147   s32 current_file_selection;
 148   s32 current_file_scroll_value;
 149   u32 current_dir_selection;
 150   u32 current_dir_scroll_value;
 151   s32 current_file_in_scroll;
 152   u32 current_dir_in_scroll;
 153   u32 current_file_number, current_dir_number;
 154   u32 current_column = 0;
 155   u32 repeat;
 156   u32 i;
 157   gui_action_type gui_action;
 158
 159   while(return_value == 1)
 160   {
 161     current_file_selection = 0;
 162     current_file_scroll_value = 0;
 163     current_dir_selection = 0;
 164     current_dir_scroll_value = 0;
 165     current_file_in_scroll = 0;
 166     current_dir_in_scroll = 0;
 167
 168     total_filenames_allocated = 32;
 169     total_dirnames_allocated = 32;
 170     file_list = (char **)malloc(sizeof(char *) * 32);
 171     dir_list = (char **)malloc(sizeof(char *) * 32);
 172     memset(file_list, 0, sizeof(char *) * 32);
 173     memset(dir_list, 0, sizeof(char *) * 32);
 174
 175     num_files = 0;
 176     num_dirs = 0;
 177     chosen_file = 0;
 178     chosen_dir = 0;
 179
 180     getcwd(current_dir_name, MAX_PATH);
 181
 182     current_dir = opendir(current_dir_name);
 183
 184     do
 185     {
 186       if(current_dir)
 187         current_file = readdir(current_dir);
 188       else
 189         current_file = NULL;
 190
 191       if(current_file)
 192       {
 193         file_name = current_file->d_name;
 194         file_name_length = strlen(file_name);
 195
 196         if((stat(file_name, &file_info) >= 0) &&
 197          ((file_name[0] != '.') || (file_name[1] == '.')))
 198         {
 199           if(S_ISDIR(file_info.st_mode))
 200           {
 201             dir_list[num_dirs] = malloc(file_name_length + 1);
 202
 203             sprintf(dir_list[num_dirs], "%s", file_name);
 204
 205             num_dirs++;
 206           }
 207           else
 208           {
 209             // Must match one of the wildcards, also ignore the .
 210             if(file_name_length >= 4)
 211             {
 212               if(file_name[file_name_length - 4] == '.')
 213                 ext_pos = file_name_length - 4;
 214               else
 215
 216               if(file_name[file_name_length - 3] == '.')
 217                 ext_pos = file_name_length - 3;
 218
 219               else
 220                 ext_pos = 0;
 221
 222               for(i = 0; wildcards[i] != NULL; i++)
 223               {
 224                 if(!strcasecmp((file_name + ext_pos),
 225                  wildcards[i]))
 226                 {
 227                   file_list[num_files] =
 228                    malloc(file_name_length + 1);
 229
 230                   sprintf(file_list[num_files], "%s", file_name);
 231
 232                   num_files++;
 233                   break;
 234                 }
 235               }
 236             }
 237           }
 238         }
 239
 240         if(num_files == total_filenames_allocated)
 241         {
 242           file_list = (char **)realloc(file_list, sizeof(char *) *
 243            total_filenames_allocated * 2);
 244           memset(file_list + total_filenames_allocated, 0,
 245            sizeof(char *) * total_filenames_allocated);
 246           total_filenames_allocated *= 2;
 247         }
 248
 249         if(num_dirs == total_dirnames_allocated)
 250         {
 251           dir_list = (char **)realloc(dir_list, sizeof(char *) *
 252            total_dirnames_allocated * 2);
 253           memset(dir_list + total_dirnames_allocated, 0,
 254            sizeof(char *) * total_dirnames_allocated);
 255           total_dirnames_allocated *= 2;
 256         }
 257       }
 258     } while(current_file);
 259
 260     qsort((void *)file_list, num_files, sizeof(char *), sort_function);
 261     qsort((void *)dir_list, num_dirs, sizeof(char *), sort_function);
 262
 263     closedir(current_dir);
 264
 265     current_dir_length = strlen(current_dir_name);
 266
 267     if(current_dir_length > 80)
 268     {
 269
 270 #ifdef GP2X_BUILD
 271     snprintf(current_dir_short, 80,
 272      "...%s", current_dir_name + current_dir_length - 77);
 273 #else
 274     memcpy(current_dir_short, "...", 3);
 275       memcpy(current_dir_short + 3,
 276        current_dir_name + current_dir_length - 77, 77);
 277       current_dir_short[80] = 0;
 278 #endif
 279     }
 280     else
 281     {
 282 #ifdef GP2X_BUILD
 283       snprintf(current_dir_short, 80, "%s", current_dir_name);
 284 #else
 285       memcpy(current_dir_short, current_dir_name,
 286        current_dir_length + 1);
 287 #endif
 288     }
 289
 290     repeat = 1;
 291
 292     if(num_files == 0)
 293       current_column = 1;
 294
 295     clear_screen(COLOR_BG);
 296   {
 297     while(repeat)
 298     {
 299       flip_screen();
 300
 301       print_string(current_dir_short, COLOR_ACTIVE_ITEM, COLOR_BG, 0, 0);
 302 #ifdef GP2X_BUILD
 303       print_string("Press X to return to the main menu.",
 304        COLOR_HELP_TEXT, COLOR_BG, 20, 220);
 305 #else
 306       print_string("Press X to return to the main menu.",
 307        COLOR_HELP_TEXT, COLOR_BG, 20, 260);
 308 #endif
 309
 310       for(i = 0, current_file_number = i + current_file_scroll_value;
 311        i < FILE_LIST_ROWS; i++, current_file_number++)
 312       {
 313         if(current_file_number < num_files)
 314         {
 315           if((current_file_number == current_file_selection) &&
 316            (current_column == 0))
 317           {
 318             print_string(file_list[current_file_number], COLOR_ACTIVE_ITEM,
 319              COLOR_BG, FILE_LIST_POSITION, ((i + 1) * 10));
 320           }
 321           else
 322           {
 323             print_string(file_list[current_file_number], COLOR_INACTIVE_ITEM,
 324              COLOR_BG, FILE_LIST_POSITION, ((i + 1) * 10));
 325           }
 326         }
 327       }
 328
 329       for(i = 0, current_dir_number = i + current_dir_scroll_value;
 330        i < FILE_LIST_ROWS; i++, current_dir_number++)
 331       {
 332         if(current_dir_number < num_dirs)
 333         {
 334           if((current_dir_number == current_dir_selection) &&
 335            (current_column == 1))
 336           {
 337             print_string(dir_list[current_dir_number], COLOR_ACTIVE_ITEM,
 338              COLOR_BG, DIR_LIST_POSITION, ((i + 1) * 10));
 339           }
 340           else
 341           {
 342             print_string(dir_list[current_dir_number], COLOR_INACTIVE_ITEM,
 343              COLOR_BG, DIR_LIST_POSITION, ((i + 1) * 10));
 344           }
 345         }
 346       }
 347
 348       gui_action = get_gui_input();
 349
 350       switch(gui_action)
 351       {
 352         case CURSOR_DOWN:
 353           if(current_column == 0)
 354           {
 355             if(current_file_selection < (num_files - 1))
 356             {
 357               current_file_selection++;
 358               if(current_file_in_scroll == (FILE_LIST_ROWS - 1))
 359               {
 360                 clear_screen(COLOR_BG);
 361                 current_file_scroll_value++;
 362               }
 363               else
 364               {
 365                 current_file_in_scroll++;
 366               }
 367             }
 368             else
 369             {
 370               clear_screen(COLOR_BG);
 371               current_file_selection = 0;
 372               current_file_scroll_value = 0;
 373               current_file_in_scroll = 0;
 374             }
 375           }
 376           else
 377           {
 378             if(current_dir_selection < (num_dirs - 1))
 379             {
 380               current_dir_selection++;
 381               if(current_dir_in_scroll == (FILE_LIST_ROWS - 1))
 382               {
 383                 clear_screen(COLOR_BG);
 384                 current_dir_scroll_value++;
 385               }
 386               else
 387               {
 388                 current_dir_in_scroll++;
 389               }
 390             }
 391           }
 392
 393           break;
 394
 395         case CURSOR_R:
 396           if (current_column != 0)
 397             break;
 398           clear_screen(COLOR_BG);
 399           current_file_selection += FILE_LIST_ROWS;
 400           if (current_file_selection > num_files - 1)
 401             current_file_selection = num_files - 1;
 402           current_file_scroll_value = current_file_selection - FILE_LIST_ROWS / 2;
 403           if (current_file_scroll_value < 0)
 404           {
 405             current_file_scroll_value = 0;
 406             current_file_in_scroll = current_file_selection;
 407           }
 408           else
 409           {
 410             current_file_in_scroll = FILE_LIST_ROWS / 2;
 411           }
 412           break;
 413
 414         case CURSOR_UP:
 415           if(current_column == 0)
 416           {
 417             if(current_file_selection)
 418             {
 419               current_file_selection--;
 420               if(current_file_in_scroll == 0)
 421               {
 422                 clear_screen(COLOR_BG);
 423                 current_file_scroll_value--;
 424               }
 425               else
 426               {
 427                 current_file_in_scroll--;
 428               }
 429             }
 430             else
 431             {
 432               clear_screen(COLOR_BG);
 433               current_file_selection = num_files - 1;
 434               current_file_in_scroll = FILE_LIST_ROWS - 1;
 435               if (current_file_in_scroll > num_files - 1)
 436                 current_file_in_scroll = num_files - 1;
 437               current_file_scroll_value = num_files - FILE_LIST_ROWS;
 438               if (current_file_scroll_value < 0)
 439                 current_file_scroll_value = 0;
 440             }
 441           }
 442           else
 443           {
 444             if(current_dir_selection)
 445             {
 446               current_dir_selection--;
 447               if(current_dir_in_scroll == 0)
 448               {
 449                 clear_screen(COLOR_BG);
 450                 current_dir_scroll_value--;
 451               }
 452               else
 453               {
 454                 current_dir_in_scroll--;
 455               }
 456             }
 457           }
 458           break;
 459
 460         case CURSOR_L:
 461           if (current_column != 0)
 462             break;
 463           clear_screen(COLOR_BG);
 464           current_file_selection -= FILE_LIST_ROWS;
 465           if (current_file_selection < 0)
 466             current_file_selection = 0;
 467           current_file_scroll_value = current_file_selection - FILE_LIST_ROWS / 2;
 468           if (current_file_scroll_value < 0)
 469           {
 470             current_file_scroll_value = 0;
 471             current_file_in_scroll = current_file_selection;
 472           }
 473           else
 474           {
 475             current_file_in_scroll = FILE_LIST_ROWS / 2;
 476           }
 477           break;
 478
 479          case CURSOR_RIGHT:
 480           if(current_column == 0)
 481           {
 482             if(num_dirs != 0)
 483               current_column = 1;
 484           }
 485           break;
 486
 487         case CURSOR_LEFT:
 488           if(current_column == 1)
 489           {
 490             if(num_files != 0)
 491               current_column = 0;
 492           }
 493           break;
 494
 495         case CURSOR_SELECT:
 496           if(current_column == 1)
 497           {
 498             repeat = 0;
 499             chdir(dir_list[current_dir_selection]);
 500           }
 501           else
 502           {
 503             if(num_files != 0)
 504             {
 505               repeat = 0;
 506               return_value = 0;
 507               strcpy(result, file_list[current_file_selection]);
 508             }
 509           }
 510           break;
 511
 512         case CURSOR_BACK:
 513 #ifdef PSP_BUILD
 514           if(!strcmp(current_dir_name, "ms0:/PSP"))
 515             break;
 516 #endif
 517           repeat = 0;
 518           chdir("..");
 519           break;
 520
 521         case CURSOR_EXIT:
 522           return_value = -1;
 523           repeat = 0;
 524           break;
 525
 526         default:
 527           break;
 528       }
 529     }
 530   }
 531
 532     for(i = 0; i < num_files; i++)
 533     {
 534       free(file_list[i]);
 535     }
 536     free(file_list);
 537
 538     for(i = 0; i < num_dirs; i++)
 539     {
 540       free(dir_list[i]);
 541     }
 542     free(dir_list);
 543   }
 544
 545   clear_screen(COLOR_BG);
 546
 547   return return_value;
 548 }
 549
 550 typedef enum
 551 {
 552   NUMBER_SELECTION_OPTION = 0x01,
 553   STRING_SELECTION_OPTION = 0x02,
 554   SUBMENU_OPTION          = 0x04,
 555   ACTION_OPTION           = 0x08
 556 } menu_option_type_enum;
 557
 558 struct _menu_type
 559 {
 560   void (* init_function)();
 561   void (* passive_function)();
 562   struct _menu_option_type *options;
 563   u32 num_options;
 564 };
 565
 566 struct _menu_option_type
 567 {
 568   void (* action_function)();
 569   void (* passive_function)();
 570   struct _menu_type *sub_menu;
 571   const char *display_string;
 572   void *options;
 573   u32 *current_option;
 574   u32 num_options;
 575   const char *help_string;
 576   u32 line_number;
 577   menu_option_type_enum option_type;
 578 };
 579
 580 typedef struct _menu_option_type menu_option_type;
 581 typedef struct _menu_type menu_type;
 582
 583 #define make_menu(name, init_function, passive_function)                      \
 584   menu_type name##_menu =                                                     \
 585   {                                                                           \
 586     init_function,                                                            \
 587     passive_function,                                                         \
 588     name##_options,                                                           \
 589     sizeof(name##_options) / sizeof(menu_option_type)                         \
 590   }                                                                           \
 591
 592 #define gamepad_config_option(display_string, number)                         \
 593 {                                                                             \
 594   NULL,                                                                       \
 595   menu_fix_gamepad_help,                                                      \
 596   NULL,                                                                       \
 597   display_string ": %s",                                                      \
 598   gamepad_config_buttons,                                                     \
 599   gamepad_config_map + gamepad_config_line_to_button[number],                 \
 600   sizeof(gamepad_config_buttons) / sizeof(gamepad_config_buttons[0]),         \
 601   gamepad_help[gamepad_config_map[                                            \
 602    gamepad_config_line_to_button[number]]],                                   \
 603   number,                                                                     \
 604   STRING_SELECTION_OPTION                                                     \
 605 }                                                                             \
 606
 607 #define analog_config_option(display_string, number)                          \
 608 {                                                                             \
 609   NULL,                                                                       \
 610   menu_fix_gamepad_help,                                                      \
 611   NULL,                                                                       \
 612   display_string ": %s",                                                      \
 613   gamepad_config_buttons,                                                     \
 614   gamepad_config_map + number + 12,                                           \
 615   sizeof(gamepad_config_buttons) / sizeof(gamepad_config_buttons[0]),         \
 616   gamepad_help[gamepad_config_map[number + 12]],                              \
 617   number + 2,                                                                 \
 618   STRING_SELECTION_OPTION                                                     \
 619 }                                                                             \
 620
 621 #define cheat_option(number)                                                  \
 622 {                                                                             \
 623   NULL,                                                                       \
 624   NULL,                                                                       \
 625   NULL,                                                                       \
 626   cheat_format_str[number],                                                   \
 627   enable_disable_options,                                                     \
 628   &(cheats[number].cheat_active),                                             \
 629   2,                                                                          \
 630   "Activate/deactivate this cheat code.",                                     \
 631   number,                                                                     \
 632   STRING_SELECTION_OPTION                                                     \
 633 }                                                                             \
 634
 635 #define action_option(action_function, passive_function, display_string,      \
 636  help_string, line_number)                                                    \
 637 {                                                                             \
 638   action_function,                                                            \
 639   passive_function,                                                           \
 640   NULL,                                                                       \
 641   display_string,                                                             \
 642   NULL,                                                                       \
 643   NULL,                                                                       \
 644   0,                                                                          \
 645   help_string,                                                                \
 646   line_number,                                                                \
 647   ACTION_OPTION                                                               \
 648 }                                                                             \
 649
 650 #define submenu_option(sub_menu, display_string, help_string, line_number)    \
 651 {                                                                             \
 652   NULL,                                                                       \
 653   NULL,                                                                       \
 654   sub_menu,                                                                   \
 655   display_string,                                                             \
 656   NULL,                                                                       \
 657   NULL,                                                                       \
 658   sizeof(sub_menu) / sizeof(menu_option_type),                                \
 659   help_string,                                                                \
 660   line_number,                                                                \
 661   SUBMENU_OPTION                                                              \
 662 }                                                                             \
 663
 664 #define selection_option(passive_function, display_string, options,           \
 665  option_ptr, num_options, help_string, line_number, type)                     \
 666 {                                                                             \
 667   NULL,                                                                       \
 668   passive_function,                                                           \
 669   NULL,                                                                       \
 670   display_string,                                                             \
 671   options,                                                                    \
 672   option_ptr,                                                                 \
 673   num_options,                                                                \
 674   help_string,                                                                \
 675   line_number,                                                                \
 676   type                                                                        \
 677 }                                                                             \
 678
 679 #define action_selection_option(action_function, passive_function,            \
 680  display_string, options, option_ptr, num_options, help_string, line_number,  \
 681  type)                                                                        \
 682 {                                                                             \
 683   action_function,                                                            \
 684   passive_function,                                                           \
 685   NULL,                                                                       \
 686   display_string,                                                             \
 687   options,                                                                    \
 688   option_ptr,                                                                 \
 689   num_options,                                                                \
 690   help_string,                                                                \
 691   line_number,                                                                \
 692   type | ACTION_OPTION                                                        \
 693 }                                                                             \
 694
 695
 696 #define string_selection_option(passive_function, display_string, options,    \
 697  option_ptr, num_options, help_string, line_number)                           \
 698   selection_option(passive_function, display_string ": %s", options,          \
 699    option_ptr, num_options, help_string, line_number, STRING_SELECTION_OPTION)\
 700
 701 #define numeric_selection_option(passive_function, display_string,            \
 702  option_ptr, num_options, help_string, line_number)                           \
 703   selection_option(passive_function, display_string ": %d", NULL, option_ptr, \
 704    num_options, help_string, line_number, NUMBER_SELECTION_OPTION)            \
 705
 706 #define string_selection_action_option(action_function, passive_function,     \
 707  display_string, options, option_ptr, num_options, help_string, line_number)  \
 708   action_selection_option(action_function, passive_function,                  \
 709    display_string ": %s",  options, option_ptr, num_options, help_string,     \
 710    line_number, STRING_SELECTION_OPTION)                                      \
 711
 712 #define numeric_selection_action_option(action_function, passive_function,    \
 713  display_string, option_ptr, num_options, help_string, line_number)           \
 714   action_selection_option(action_function, passive_function,                  \
 715    display_string ": %d",  NULL, option_ptr, num_options, help_string,        \
 716    line_number, NUMBER_SELECTION_OPTION)                                      \
 717
 718 #define numeric_selection_action_hide_option(action_function,                 \
 719  passive_function, display_string, option_ptr, num_options, help_string,      \
 720  line_number)                                                                 \
 721   action_selection_option(action_function, passive_function,                  \
 722    display_string, NULL, option_ptr, num_options, help_string,                \
 723    line_number, NUMBER_SELECTION_OPTION)                                      \
 724
 725
 726 #define GAMEPAD_MENU_WIDTH 15
 727
 728 #ifdef PSP_BUILD
 729
 730 u32 gamepad_config_line_to_button[] =
 731  { 8, 6, 7, 9, 1, 2, 3, 0, 4, 5, 11, 10 };
 732
 733 #endif
 734
 735 #ifdef GP2X_BUILD
 736
 737 u32 gamepad_config_line_to_button[] =
 738  { 0, 2, 1, 3, 8, 9, 10, 11, 6, 7, 4, 5, 14, 15 };
 739
 740 #endif
 741
 742 #ifdef PND_BUILD
 743
 744 u32 gamepad_config_line_to_button[] =
 745  { 0, 2, 1, 3, 8, 9, 10, 11, 6, 7, 4, 5, 12, 13, 14, 15 };
 746
 747 #endif
 748
 749 static const char *scale_options[] =
 750 {
 751 #ifdef PSP_BUILD
 752   "unscaled 3:2", "scaled 3:2", "fullscreen 16:9"
 753 #elif defined(WIZ_BUILD)
 754   "unscaled 3:2", "scaled 3:2 (slower)",
 755   "unscaled 3:2 (anti-tear)", "scaled 3:2 (anti-tear)"
 756 #elif defined(POLLUX_BUILD)
 757   "unscaled 3:2", "scaled 3:2 (slower)"
 758 #elif defined(PND_BUILD)
 759   "unscaled", "2x", "3x", "fullscreen"
 760 #elif defined(GP2X_BUILD)
 761   "unscaled 3:2", "scaled 3:2", "fullscreen", "scaled 3:2 (software)"
 762 #else
 763   "unscaled 3:2"
 764 #endif
 765 };
 766
 767 const char *filter2_options[] =
 768 {
 769   "none", "scale2x", "scale3x", "eagle2x"
 770 };
 771
 772 #ifndef PSP_BUILD
 773 static const char *audio_buffer_options[] =
 774 {
 775   "16 bytes", "32 bytes", "64 bytes",
 776   "128 bytes", "256 bytes", "512 bytes", "1024 bytes", "2048 bytes",
 777   "4096 bytes", "8192 bytes", "16284 bytes"
 778 };
 779 #else
 780 const char *audio_buffer_options[] =
 781 {
 782   "3072 bytes", "4096 bytes", "5120 bytes", "6144 bytes", "7168 bytes",
 783   "8192 bytes", "9216 bytes", "10240 bytes", "11264 bytes", "12288 bytes"
 784 };
 785 #endif
 786
 787
 788 s32 load_game_config_file()
 789 {
 790   char game_config_filename[512];
 791   u32 file_loaded = 0;
 792   u32 i;
 793   make_rpath(game_config_filename, sizeof(game_config_filename), ".cfg");
 794
 795   file_open(game_config_file, game_config_filename, read);
 796
 797   if(file_check_valid(game_config_file))
 798   {
 799     u32 file_size = file_length(game_config_filename, game_config_file);
 800
 801     // Sanity check: File size must be the right size
 802     if(file_size == 56)
 803     {
 804       u32 file_options[file_size / 4];
 805
 806       file_read_array(game_config_file, file_options);
 807       current_frameskip_type = file_options[0] % 3;
 808       frameskip_value = file_options[1];
 809       random_skip = file_options[2] % 2;
 810       clock_speed = file_options[3];
 811
 812 #ifdef POLLUX_BUILD
 813       if(clock_speed > 900)
 814         clock_speed = 533;
 815 #elif defined(GP2X_BUILD)
 816       if(clock_speed >= 300)
 817         clock_speed = 200;
 818 #else
 819       if(clock_speed > 333)
 820         clock_speed = 333;
 821 #endif
 822
 823       if(clock_speed < 33)
 824         clock_speed = 33;
 825
 826       if(frameskip_value < 0)
 827         frameskip_value = 0;
 828
 829       if(frameskip_value > 99)
 830         frameskip_value = 99;
 831
 832       for(i = 0; i < 10; i++)
 833       {
 834         cheats[i].cheat_active = file_options[4 + i] % 2;
 835         cheats[i].cheat_name[0] = 0;
 836       }
 837
 838       file_close(game_config_file);
 839       file_loaded = 1;
 840     }
 841   }
 842
 843   if(file_loaded)
 844     return 0;
 845
 846   current_frameskip_type = auto_frameskip;
 847   frameskip_value = 4;
 848 #ifdef POLLUX_BUILD
 849   frameskip_value = 1;
 850 #endif
 851   random_skip = 0;
 852   clock_speed = default_clock_speed;
 853
 854   for(i = 0; i < 10; i++)
 855   {
 856     cheats[i].cheat_active = 0;
 857     cheats[i].cheat_name[0] = 0;
 858   }
 859
 860   return -1;
 861 }
 862
 863 enum file_options {
 864   fo_screen_scale = 0,
 865   fo_screen_filter,
 866   fo_global_enable_audio,
 867   fo_audio_buffer_size,
 868   fo_update_backup_flag,
 869   fo_global_enable_analog,
 870   fo_analog_sensitivity_level,
 871   fo_screen_filter2,
 872   fo_main_option_count,
 873 };
 874
 875 #ifdef PC_BUILD
 876 #define PLAT_BUTTON_COUNT 0
 877 #endif
 878 #define FILE_OPTION_COUNT (fo_main_option_count + PLAT_BUTTON_COUNT)
 879
 880 s32 load_config_file()
 881 {
 882   char config_path[512];
 883
 884   sprintf(config_path, "%s" PATH_SEPARATOR "%s", main_path, GPSP_CONFIG_FILENAME);
 885
 886   file_open(config_file, config_path, read);
 887
 888   if(file_check_valid(config_file))
 889   {
 890     u32 file_size = file_length(config_path, config_file);
 891
 892     // Sanity check: File size must be the right size
 893     if(file_size == FILE_OPTION_COUNT * 4)
 894     {
 895       u32 file_options[file_size / 4];
 896       file_read_array(config_file, file_options);
 897
 898       screen_scale = file_options[fo_screen_scale] %
 899         (sizeof(scale_options) / sizeof(scale_options[0]));
 900       screen_filter = file_options[fo_screen_filter] % 2;
 901       global_enable_audio = file_options[fo_global_enable_audio] % 2;
 902       screen_filter2 = file_options[fo_screen_filter2] %
 903         (sizeof(filter2_options) / sizeof(filter2_options[0]));
 904
 905       audio_buffer_size_number = file_options[fo_audio_buffer_size] %
 906         (sizeof(audio_buffer_options) / sizeof(audio_buffer_options[0]));
 907
 908       update_backup_flag = file_options[fo_update_backup_flag] % 2;
 909       global_enable_analog = file_options[fo_global_enable_analog] % 2;
 910       analog_sensitivity_level = file_options[fo_analog_sensitivity_level] % 8;
 911
 912 #ifdef PSP_BUILD
 913     scePowerSetClockFrequency(clock_speed, clock_speed, clock_speed / 2);
 914 #endif
 915
 916       // Sanity check: Make sure there's a MENU or FRAMESKIP
 917       // key, if not assign to triangle
 918
 919 #ifndef PC_BUILD
 920       u32 i;
 921       s32 menu_button = -1;
 922       for(i = 0; i < PLAT_BUTTON_COUNT; i++)
 923       {
 924         gamepad_config_map[i] = file_options[fo_main_option_count + i] %
 925          (BUTTON_ID_NONE + 1);
 926
 927         if(gamepad_config_map[i] == BUTTON_ID_MENU)
 928         {
 929           menu_button = i;
 930         }
 931       }
 932
 933       if(menu_button == -1 && PLAT_MENU_BUTTON >= 0)
 934       {
 935         gamepad_config_map[PLAT_MENU_BUTTON] = BUTTON_ID_MENU;
 936       }
 937 #endif
 938
 939       file_close(config_file);
 940     }
 941
 942     return 0;
 943   }
 944
 945   return -1;
 946 }
 947
 948 s32 save_game_config_file()
 949 {
 950   char game_config_filename[512];
 951   u32 i;
 952
 953   make_rpath(game_config_filename, sizeof(game_config_filename), ".cfg");
 954
 955   file_open(game_config_file, game_config_filename, write);
 956
 957   if(file_check_valid(game_config_file))
 958   {
 959     u32 file_options[14];
 960
 961     file_options[0] = current_frameskip_type;
 962     file_options[1] = frameskip_value;
 963     file_options[2] = random_skip;
 964     file_options[3] = clock_speed;
 965
 966     for(i = 0; i < 10; i++)
 967     {
 968       file_options[4 + i] = cheats[i].cheat_active;
 969     }
 970
 971     file_write_array(game_config_file, file_options);
 972
 973     file_close(game_config_file);
 974
 975     return 0;
 976   }
 977
 978   return -1;
 979 }
 980
 981 s32 save_config_file()
 982 {
 983   char config_path[512];
 984
 985   sprintf(config_path, "%s" PATH_SEPARATOR "%s", main_path, GPSP_CONFIG_FILENAME);
 986
 987   file_open(config_file, config_path, write);
 988
 989   save_game_config_file();
 990
 991   if(file_check_valid(config_file))
 992   {
 993     u32 file_options[FILE_OPTION_COUNT];
 994
 995     file_options[fo_screen_scale] = screen_scale;
 996     file_options[fo_screen_filter] = screen_filter;
 997     file_options[fo_global_enable_audio] = global_enable_audio;
 998     file_options[fo_audio_buffer_size] = audio_buffer_size_number;
 999     file_options[fo_update_backup_flag] = update_backup_flag;
1000     file_options[fo_global_enable_analog] = global_enable_analog;
1001     file_options[fo_analog_sensitivity_level] = analog_sensitivity_level;
1002     file_options[fo_screen_filter2] = screen_filter2;
1003
1004 #ifndef PC_BUILD
1005     u32 i;
1006     for(i = 0; i < PLAT_BUTTON_COUNT; i++)
1007     {
1008       file_options[fo_main_option_count + i] = gamepad_config_map[i];
1009     }
1010 #endif
1011
1012     file_write_array(config_file, file_options);
1013
1014     file_close(config_file);
1015
1016     return 0;
1017   }
1018
1019   return -1;
1020 }
1021
1022 typedef enum
1023 {
1024   MAIN_MENU,
1025   GAMEPAD_MENU,
1026   SAVESTATE_MENU,
1027   FRAMESKIP_MENU,
1028   CHEAT_MENU
1029 } menu_enum;
1030
1031 u32 savestate_slot = 0;
1032
1033 void get_savestate_snapshot(char *savestate_filename)
1034 {
1035   u16 snapshot_buffer[240 * 160];
1036   char savestate_timestamp_string[80];
1037
1038   file_open(savestate_file, savestate_filename, read);
1039
1040   if(file_check_valid(savestate_file))
1041   {
1042     const char weekday_strings[7][11] =
1043     {
1044       "Sunday", "Monday", "Tuesday", "Wednesday",
1045       "Thursday", "Friday", "Saturday"
1046     };
1047     time_t savestate_time_flat;
1048     struct tm *current_time;
1049     file_read_array(savestate_file, snapshot_buffer);
1050     file_read_variable(savestate_file, savestate_time_flat);
1051
1052     file_close(savestate_file);
1053
1054     current_time = localtime(&savestate_time_flat);
1055     sprintf(savestate_timestamp_string,
1056      "%s  %02d/%02d/%04d  %02d:%02d:%02d                ",
1057      weekday_strings[current_time->tm_wday], current_time->tm_mon + 1,
1058      current_time->tm_mday, current_time->tm_year + 1900,
1059      current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
1060
1061     savestate_timestamp_string[40] = 0;
1062     print_string(savestate_timestamp_string, COLOR_HELP_TEXT, COLOR_BG,
1063      10, 40);
1064   }
1065   else
1066   {
1067     memset(snapshot_buffer, 0, 240 * 160 * 2);
1068     print_string_ext("No savestate in this slot.",
1069      0xFFFF, 0x0000, 15, 75, snapshot_buffer, 240, 0, 0, FONT_HEIGHT);
1070     print_string("---------- --/--/---- --:--:--          ", COLOR_HELP_TEXT,
1071      COLOR_BG, 10, 40);
1072   }
1073
1074 #ifndef GP2X_BUILD
1075   blit_to_screen(snapshot_buffer, 240, 160, 230, 40);
1076 #endif
1077 }
1078
1079 void get_savestate_filename_noshot(u32 slot, char *name_buffer)
1080 {
1081   char savestate_ext[16];
1082
1083   sprintf(savestate_ext, "%d.svs", slot);
1084   make_rpath(name_buffer, 512, savestate_ext);
1085 }
1086
1087 void get_savestate_filename(u32 slot, char *name_buffer)
1088 {
1089   get_savestate_filename_noshot(slot, name_buffer);
1090   get_savestate_snapshot(name_buffer);
1091 }
1092
1093 #ifdef PSP_BUILD
1094   void _flush_cache()
1095   {
1096     invalidate_all_cache();
1097   }
1098 #endif
1099
1100 u32 menu(u16 *original_screen)
1101 {
1102   char print_buffer[81];
1103   u32 clock_speed_number;
1104   gui_action_type gui_action;
1105   u32 i;
1106   u32 repeat = 1;
1107   u32 return_value = 0;
1108   u32 first_load = 0;
1109   char current_savestate_filename[512];
1110   char line_buffer[80];
1111   char cheat_format_str[10][41];
1112
1113   menu_type *current_menu;
1114   menu_option_type *current_option;
1115   menu_option_type *display_option;
1116   u32 current_option_num;
1117
1118   auto void choose_menu();
1119   auto void clear_help();
1120
1121 #ifndef PC_BUILD
1122   static const char * const gamepad_help[] =
1123   {
1124     "Up button on GBA d-pad.",
1125     "Down button on GBA d-pad.",
1126     "Left button on GBA d-pad.",
1127     "Right button on GBA d-pad.",
1128     "A button on GBA.",
1129     "B button on GBA.",
1130     "Left shoulder button on GBA.",
1131     "Right shoulder button on GBA.",
1132     "Start button on GBA.",
1133     "Select button on GBA.",
1134     "Brings up the options menu.",
1135     "Toggles fastforward on/off.",
1136     "Loads the game state from the current slot.",
1137     "Saves the game state to the current slot.",
1138     "Rapidly press/release the A button on GBA.",
1139     "Rapidly press/release the B button on GBA.",
1140     "Rapidly press/release the L shoulder on GBA.",
1141     "Rapidly press/release the R shoulder on GBA.",
1142     "Increases the volume.",
1143     "Decreases the volume.",
1144     "Displays virtual/drawn frames per second.",
1145     "Does nothing."
1146   };
1147
1148   static const char *gamepad_config_buttons[] =
1149   {
1150     "UP",
1151     "DOWN",
1152     "LEFT",
1153     "RIGHT",
1154     "A",
1155     "B",
1156     "L",
1157     "R",
1158     "START",
1159     "SELECT",
1160     "MENU",
1161     "FASTFORWARD",
1162     "LOAD STATE",
1163     "SAVE STATE",
1164     "RAPIDFIRE A",
1165     "RAPIDFIRE B",
1166     "RAPIDFIRE L",
1167     "RAPIDFIRE R",
1168     "VOLUME UP",
1169     "VOLUME DOWN",
1170     "DISPLAY FPS",
1171     "NOTHING"
1172   };
1173 #endif
1174
1175   void menu_update_clock()
1176   {
1177     get_clock_speed_number();
1178     if (clock_speed_number < 0 || clock_speed_number >=
1179      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]))
1180     {
1181       clock_speed = default_clock_speed;
1182       get_clock_speed_number();
1183     }
1184   }
1185
1186   void menu_exit()
1187   {
1188     if(!first_load)
1189      repeat = 0;
1190   }
1191
1192   void menu_quit()
1193   {
1194     menu_get_clock_speed();
1195     save_config_file();
1196     quit();
1197   }
1198
1199   void menu_load()
1200   {
1201     const char *file_ext[] = { ".gba", ".bin", ".zip", NULL };
1202     char load_filename[512];
1203     save_game_config_file();
1204     if(load_file(file_ext, load_filename) != -1)
1205     {
1206        if(load_gamepak(load_filename) == -1)
1207        {
1208          quit();
1209        }
1210        reset_gba();
1211        return_value = 1;
1212        repeat = 0;
1213        reg[CHANGED_PC_STATUS] = 1;
1214        menu_update_clock();
1215     }
1216     else
1217     {
1218       choose_menu(current_menu);
1219     }
1220   }
1221
1222   void menu_restart()
1223   {
1224     if(!first_load)
1225     {
1226       reset_gba();
1227       reg[CHANGED_PC_STATUS] = 1;
1228       return_value = 1;
1229       repeat = 0;
1230     }
1231   }
1232
1233   void menu_change_state()
1234   {
1235     get_savestate_filename(savestate_slot, current_savestate_filename);
1236   }
1237
1238   void menu_save_state()
1239   {
1240     if(!first_load)
1241     {
1242       get_savestate_filename_noshot(savestate_slot,
1243        current_savestate_filename);
1244       save_state(current_savestate_filename, original_screen);
1245     }
1246     menu_change_state();
1247   }
1248
1249   void menu_load_state()
1250   {
1251     if(!first_load)
1252     {
1253       load_state(current_savestate_filename);
1254       return_value = 1;
1255       repeat = 0;
1256     }
1257   }
1258
1259   void menu_load_state_file()
1260   {
1261     const char *file_ext[] = { ".svs", NULL };
1262     char load_filename[512];
1263     if(load_file(file_ext, load_filename) != -1)
1264     {
1265       load_state(load_filename);
1266       return_value = 1;
1267       repeat = 0;
1268     }
1269     else
1270     {
1271       choose_menu(current_menu);
1272     }
1273   }
1274
1275   void menu_fix_gamepad_help()
1276   {
1277 #ifndef PC_BUILD
1278     clear_help();
1279     current_option->help_string =
1280      gamepad_help[gamepad_config_map[
1281      gamepad_config_line_to_button[current_option_num]]];
1282 #endif
1283   }
1284
1285   void submenu_graphics_sound()
1286   {
1287
1288   }
1289
1290   void submenu_cheats_misc()
1291   {
1292
1293   }
1294
1295   void submenu_gamepad()
1296   {
1297
1298   }
1299
1300   void submenu_analog()
1301   {
1302
1303   }
1304
1305   void submenu_savestate()
1306   {
1307     print_string("Savestate options:", COLOR_ACTIVE_ITEM, COLOR_BG, 10, 70);
1308     menu_change_state();
1309   }
1310
1311   void submenu_main()
1312   {
1313     strncpy(print_buffer, gamepak_filename, 80);
1314     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 10);
1315     sprintf(print_buffer, "%s  %s  %s", gamepak_title,
1316      gamepak_code, gamepak_maker);
1317     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 20);
1318
1319     get_savestate_filename_noshot(savestate_slot,
1320      current_savestate_filename);
1321   }
1322
1323   const char *yes_no_options[] = { "no", "yes" };
1324   const char *enable_disable_options[] = { "disabled", "enabled" };
1325
1326   const char *frameskip_options[] = { "automatic", "manual", "off" };
1327   const char *frameskip_variation_options[] = { "uniform", "random" };
1328
1329   static const char *update_backup_options[] = { "Exit only", "Automatic" };
1330
1331   // Marker for help information, don't go past this mark (except \n)------*
1332   menu_option_type graphics_sound_options[] =
1333   {
1334     string_selection_option(NULL, "Display scaling", scale_options,
1335      (u32 *)(&screen_scale),
1336      sizeof(scale_options) / sizeof(scale_options[0]),
1337 #ifndef GP2X_BUILD
1338      "Determines how the GBA screen is resized in relation to the\n"
1339      "entire screen."
1340 #ifdef PSP_BUILD
1341      " Select unscaled 3:2 for GBA resolution, scaled 3:2 for GBA\n"
1342      "aspect ratio scaled to fill the height of the PSP screen, and\n"
1343      "fullscreen to fill the entire PSP screen."
1344 #endif
1345 #endif
1346      "", 2),
1347 #ifndef GP2X_BUILD
1348     string_selection_option(NULL, "Screen filtering", yes_no_options,
1349      (u32 *)(&screen_filter), 2,
1350      "Determines whether or not filtering should be used when\n"
1351      "scaling the screen. Selecting this will produce a more even and\n"
1352      "smooth image, at the cost of being blurry and having less vibrant\n"
1353      "colors.", 3),
1354 #endif
1355 #ifdef PND_BUILD
1356     string_selection_option(NULL, "Scaling filter", filter2_options,
1357      (u32 *)(&screen_filter2),
1358      sizeof(filter2_options) / sizeof(filter2_options[0]),
1359      "Optional pixel art scaling filter", 4),
1360 #endif
1361     string_selection_option(NULL, "Frameskip type", frameskip_options,
1362      (u32 *)(&current_frameskip_type), 3,
1363 #ifndef GP2X_BUILD
1364      "Determines what kind of frameskipping to use.\n"
1365      "Frameskipping may improve emulation speed of many games.\n"
1366 #endif
1367      "Off: Do not skip any frames.\n"
1368      "Auto: Skip up to N frames (see next opt) as needed.\n"
1369      "Manual: Always render only 1 out of N + 1 frames."
1370      , 5),
1371     numeric_selection_option(NULL, "Frameskip value", &frameskip_value, 100,
1372 #ifndef GP2X_BUILD
1373      "For auto frameskip, determines the maximum number of frames that\n"
1374      "are allowed to be skipped consecutively.\n"
1375      "For manual frameskip, determines the number of frames that will\n"
1376      "always be skipped."
1377 #endif
1378      "", 6),
1379     string_selection_option(NULL, "Framskip variation",
1380      frameskip_variation_options, &random_skip, 2,
1381 #ifndef GP2X_BUILD
1382      "If objects in the game flicker at a regular rate certain manual\n"
1383      "frameskip values may cause them to normally disappear. Change this\n"
1384      "value to 'random' to avoid this. Do not use otherwise, as it tends\n"
1385      "to make the image quality worse, especially in high motion games."
1386 #endif
1387      "", 7),
1388     string_selection_option(NULL, "Audio output", yes_no_options,
1389      &global_enable_audio, 2,
1390      "Select 'no' to turn off all audio output. This will\n"
1391      "not result in a significant change in performance.", 9),
1392 #ifndef PSP_BUILD
1393     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1394              &audio_buffer_size_number, 11,
1395 #else
1396     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1397              &audio_buffer_size_number, 10,
1398 #endif
1399
1400 #ifdef PSP_BUILD
1401      "Set the size (in bytes) of the audio buffer. Larger values may result\n"
1402      "in slightly better performance at the cost of latency; the lowest\n"
1403      "value will give the most responsive audio.\n"
1404      "This option requires gpSP to be restarted before it will take effect.",
1405 #else
1406      "Set the size (in bytes) of the audio buffer.\n"
1407      "This option requires gpSP restart to take effect.\n"
1408      "Settable values may be limited by SDL implementation.",
1409 #endif
1410      10),
1411     submenu_option(NULL, "Back", "Return to the main menu.", 12)
1412   };
1413
1414   make_menu(graphics_sound, submenu_graphics_sound, NULL);
1415
1416   menu_option_type cheats_misc_options[] =
1417   {
1418     cheat_option(0),
1419     cheat_option(1),
1420     cheat_option(2),
1421     cheat_option(3),
1422     cheat_option(4),
1423     cheat_option(5),
1424     cheat_option(6),
1425     cheat_option(7),
1426     cheat_option(8),
1427     cheat_option(9),
1428 #if defined(PSP_BUILD) || defined(GP2X_BUILD)
1429     string_selection_option(NULL, "Clock speed",
1430      clock_speed_options, &clock_speed_number,
1431      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]),
1432      "Change the clock speed of the device. Higher clock\n"
1433      "speed will yield better performance, but will drain\n"
1434      "battery life further.", 11),
1435 #endif
1436     string_selection_option(NULL, "Update backup",
1437      update_backup_options, &update_backup_flag, 2,
1438 #ifdef GP2X_BUILD
1439      "Determines when in-game save files should be\n"
1440      "written back to SD card."
1441 #else
1442      "Determines when in-game save files should be written back to\n"
1443      "card. If set to 'automatic' writebacks will occur shortly after\n"
1444      "the game's backup is altered. On 'exit only' it will only be\n"
1445      "written back when you exit from this menu.\n"
1446 #ifdef PSP
1447      "(NOT from using the home button), use the latter with extreme care."
1448 #endif
1449 #endif
1450      "", 12),
1451     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1452   };
1453
1454   make_menu(cheats_misc, submenu_cheats_misc, NULL);
1455
1456   menu_option_type savestate_options[] =
1457   {
1458     numeric_selection_action_hide_option(menu_load_state, menu_change_state,
1459      "Load savestate from current slot", &savestate_slot, 10,
1460      "Select to load the game state from the current slot\n"
1461      "for this game.\n"
1462      "Press left + right to change the current slot.", 6),
1463     numeric_selection_action_hide_option(menu_save_state, menu_change_state,
1464      "Save savestate to current slot", &savestate_slot, 10,
1465      "Select to save the game state to the current slot\n"
1466      "for this game.\n"
1467      "Press left + right to change the current slot.", 7),
1468     numeric_selection_action_hide_option(menu_load_state_file,
1469       menu_change_state,
1470      "Load savestate from file", &savestate_slot, 10,
1471      "Restore gameplay from a savestate file.\n"
1472      "Note: The same file used to save the state must be\n"
1473      "present.\n", 9),
1474     numeric_selection_option(menu_change_state,
1475      "Current savestate slot", &savestate_slot, 10,
1476      "Change the current savestate slot.\n", 11),
1477     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1478   };
1479
1480   make_menu(savestate, submenu_savestate, NULL);
1481
1482 #ifdef PSP_BUILD
1483
1484   menu_option_type gamepad_config_options[] =
1485   {
1486     gamepad_config_option("D-pad up     ", 0),
1487     gamepad_config_option("D-pad down   ", 1),
1488     gamepad_config_option("D-pad left   ", 2),
1489     gamepad_config_option("D-pad right  ", 3),
1490     gamepad_config_option("Circle       ", 4),
1491     gamepad_config_option("Cross        ", 5),
1492     gamepad_config_option("Square       ", 6),
1493     gamepad_config_option("Triangle     ", 7),
1494     gamepad_config_option("Left Trigger ", 8),
1495     gamepad_config_option("Right Trigger", 9),
1496     gamepad_config_option("Start        ", 10),
1497     gamepad_config_option("Select       ", 11),
1498     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1499   };
1500
1501
1502   menu_option_type analog_config_options[] =
1503   {
1504     analog_config_option("Analog up   ", 0),
1505     analog_config_option("Analog down ", 1),
1506     analog_config_option("Analog left ", 2),
1507     analog_config_option("Analog right", 3),
1508     string_selection_option(NULL, "Enable analog", yes_no_options,
1509      &global_enable_analog, 2,
1510      "Select 'no' to block analog input entirely.", 7),
1511     numeric_selection_option(NULL, "Analog sensitivity",
1512      &analog_sensitivity_level, 10,
1513      "Determine sensitivity/responsiveness of the analog input.\n"
1514      "Lower numbers are less sensitive.", 8),
1515     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1516   };
1517
1518 #endif
1519
1520 #if defined(GP2X_BUILD) || defined(PND_BUILD)
1521
1522   menu_option_type gamepad_config_options[] =
1523   {
1524     gamepad_config_option("D-pad up     ", 0),
1525     gamepad_config_option("D-pad down   ", 1),
1526     gamepad_config_option("D-pad left   ", 2),
1527     gamepad_config_option("D-pad right  ", 3),
1528     gamepad_config_option("A            ", 4),
1529     gamepad_config_option("B            ", 5),
1530     gamepad_config_option("X            ", 6),
1531     gamepad_config_option("Y            ", 7),
1532     gamepad_config_option("Left Trigger ", 8),
1533     gamepad_config_option("Right Trigger", 9),
1534 #ifdef WIZ_BUILD
1535     gamepad_config_option("Menu         ", 10),
1536     gamepad_config_option("Select       ", 11),
1537 #elif defined(POLLUX_BUILD)
1538     gamepad_config_option("I            ", 10),
1539     gamepad_config_option("II           ", 11),
1540     gamepad_config_option("Push         ", 12),
1541     gamepad_config_option("Home         ", 13),
1542 #elif defined(PND_BUILD)
1543     gamepad_config_option("Start        ", 10),
1544     gamepad_config_option("Select       ", 11),
1545     gamepad_config_option("1            ", 12),
1546     gamepad_config_option("2            ", 13),
1547     gamepad_config_option("3            ", 14),
1548     gamepad_config_option("4            ", 15),
1549 #else // GP2X
1550     gamepad_config_option("Start        ", 10),
1551     gamepad_config_option("Select       ", 11),
1552     gamepad_config_option("Stick Push   ", 12),
1553 #endif
1554 #ifdef PND_BUILD
1555     submenu_option(NULL, "Back", "Return to the main menu.", 16)
1556 #else
1557     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1558 #endif
1559   };
1560
1561
1562   menu_option_type analog_config_options[] =
1563   {
1564 #if defined(POLLUX_BUILD)
1565     numeric_selection_option(NULL, "Analog sensitivity",
1566      &analog_sensitivity_level, 10,
1567      "Determine sensitivity/responsiveness of the analog input.\n"
1568      "Lower numbers are less sensitive.", 8),
1569 #endif
1570     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1571   };
1572
1573 #endif
1574
1575 #ifdef PC_BUILD
1576
1577   menu_option_type gamepad_config_options[] =
1578   {
1579     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1580   };
1581
1582   menu_option_type analog_config_options[] =
1583   {
1584     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1585   };
1586
1587 #endif
1588
1589   make_menu(gamepad_config, submenu_gamepad, NULL);
1590   make_menu(analog_config, submenu_analog, NULL);
1591
1592   menu_option_type main_options[] =
1593   {
1594     submenu_option(&graphics_sound_menu, "Graphics and Sound options",
1595      "Select to set display parameters and frameskip\n"
1596      "behavior, audio on/off, buffer size, and filtering.", 0),
1597     numeric_selection_action_option(menu_load_state, NULL,
1598      "Load state from slot", &savestate_slot, 10,
1599      "Select to load the game state from the current slot\n"
1600      "for this game, if it exists.\n"
1601      "Press left + right to change the current slot.", 2),
1602     numeric_selection_action_option(menu_save_state, NULL,
1603      "Save state to slot", &savestate_slot, 10,
1604      "Select to save the game state to the current slot\n"
1605      "for this game. See the extended menu for more info.\n"
1606      "Press left + right to change the current slot.", 3),
1607     submenu_option(&savestate_menu, "Savestate options",
1608      "Select to enter a menu for loading, saving, and\n"
1609      "viewing the currently active savestate for this game\n"
1610      "(or to load a savestate file from another game)", 4),
1611     submenu_option(&gamepad_config_menu, "Configure gamepad input",
1612      "Select to change the in-game behavior of buttons\n"
1613      "and d-pad.", 6),
1614 #ifndef WIZ_BUILD
1615     submenu_option(&analog_config_menu, "Configure analog input",
1616      "Select to change the in-game behavior of the analog nub.", 7),
1617 #endif
1618     submenu_option(&cheats_misc_menu, "Cheats and Miscellaneous options",
1619      "Select to manage cheats, set backup behavior,\n"
1620      "and set device clock speed.", 9),
1621     action_option(menu_load, NULL, "Load new game",
1622      "Select to load a new game\n"
1623      "(will exit a game if currently playing).", 11),
1624     action_option(menu_restart, NULL, "Restart game",
1625      "Select to reset the GBA with the current game\n"
1626      "loaded.", 12),
1627     action_option(menu_exit, NULL, "Return to game",
1628      "Select to exit this menu and resume gameplay.", 13),
1629     action_option(menu_quit, NULL, "Exit gpSP",
1630      "Select to exit gpSP and return to the menu.", 15)
1631   };
1632
1633   make_menu(main, submenu_main, NULL);
1634
1635   void choose_menu(menu_type *new_menu)
1636   {
1637     if(new_menu == NULL)
1638       new_menu = &main_menu;
1639
1640     clear_screen(COLOR_BG);
1641
1642 #ifndef GP2X_BUILD
1643     blit_to_screen(original_screen, 240, 160, 230, 40);
1644 #endif
1645
1646     current_menu = new_menu;
1647     current_option = new_menu->options;
1648     current_option_num = 0;
1649     if(current_menu->init_function)
1650      current_menu->init_function();
1651   }
1652
1653   void clear_help()
1654   {
1655     for(i = 0; i < 6; i++)
1656     {
1657       print_string_pad(" ", COLOR_BG, COLOR_BG, 8, 210 + (i * 10), 70);
1658     }
1659   }
1660
1661   menu_update_clock();
1662   video_resolution_large();
1663
1664 #ifndef GP2X_BUILD
1665   SDL_LockMutex(sound_mutex);
1666 #endif
1667   SDL_PauseAudio(1);
1668
1669 #ifndef GP2X_BUILD
1670   SDL_UnlockMutex(sound_mutex);
1671 #endif
1672
1673   if(gamepak_filename[0] == 0)
1674   {
1675     first_load = 1;
1676     memset(original_screen, 0x00, 240 * 160 * 2);
1677     print_string_ext("No game loaded yet.", 0xFFFF, 0x0000,
1678      60, 75,original_screen, 240, 0, 0, FONT_HEIGHT);
1679   }
1680
1681   choose_menu(&main_menu);
1682
1683   for(i = 0; i < 10; i++)
1684   {
1685     if(i >= num_cheats)
1686     {
1687       sprintf(cheat_format_str[i], "cheat %d (none loaded)", i);
1688     }
1689     else
1690     {
1691       sprintf(cheat_format_str[i], "cheat %d (%s): %%s", i,
1692        cheats[i].cheat_name);
1693     }
1694   }
1695
1696   current_menu->init_function();
1697
1698   while(repeat)
1699   {
1700     display_option = current_menu->options;
1701
1702     for(i = 0; i < current_menu->num_options; i++, display_option++)
1703     {
1704       if(display_option->option_type & NUMBER_SELECTION_OPTION)
1705       {
1706         sprintf(line_buffer, display_option->display_string,
1707          *(display_option->current_option));
1708       }
1709       else
1710
1711       if(display_option->option_type & STRING_SELECTION_OPTION)
1712       {
1713         sprintf(line_buffer, display_option->display_string,
1714          ((u32 *)display_option->options)[*(display_option->current_option)]);
1715       }
1716       else
1717       {
1718         strcpy(line_buffer, display_option->display_string);
1719       }
1720
1721       if(display_option == current_option)
1722       {
1723         print_string_pad(line_buffer, COLOR_ACTIVE_ITEM, COLOR_BG, 6,
1724          (display_option->line_number * 10) + 40, 36);
1725       }
1726       else
1727       {
1728         print_string_pad(line_buffer, COLOR_INACTIVE_ITEM, COLOR_BG, 6,
1729          (display_option->line_number * 10) + 40, 36);
1730       }
1731     }
1732
1733     print_string(current_option->help_string, COLOR_HELP_TEXT,
1734      COLOR_BG, 8, 210);
1735
1736     flip_screen();
1737
1738     gui_action = get_gui_input();
1739
1740     switch(gui_action)
1741     {
1742       case CURSOR_DOWN:
1743         current_option_num = (current_option_num + 1) %
1744           current_menu->num_options;
1745
1746         current_option = current_menu->options + current_option_num;
1747         clear_help();
1748         break;
1749
1750       case CURSOR_UP:
1751         if(current_option_num)
1752           current_option_num--;
1753         else
1754           current_option_num = current_menu->num_options - 1;
1755
1756         current_option = current_menu->options + current_option_num;
1757         clear_help();
1758         break;
1759
1760       case CURSOR_RIGHT:
1761         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1762          STRING_SELECTION_OPTION))
1763         {
1764           *(current_option->current_option) =
1765            (*current_option->current_option + 1) %
1766            current_option->num_options;
1767
1768           if(current_option->passive_function)
1769             current_option->passive_function();
1770         }
1771         break;
1772
1773       case CURSOR_LEFT:
1774         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1775          STRING_SELECTION_OPTION))
1776         {
1777           u32 current_option_val = *(current_option->current_option);
1778
1779           if(current_option_val)
1780             current_option_val--;
1781           else
1782             current_option_val = current_option->num_options - 1;
1783
1784           *(current_option->current_option) = current_option_val;
1785
1786           if(current_option->passive_function)
1787             current_option->passive_function();
1788         }
1789         break;
1790
1791       case CURSOR_EXIT:
1792         if(current_menu == &main_menu)
1793           menu_exit();
1794
1795         choose_menu(&main_menu);
1796         break;
1797
1798       case CURSOR_SELECT:
1799         if(current_option->option_type & ACTION_OPTION)
1800           current_option->action_function();
1801
1802         if(current_option->option_type & SUBMENU_OPTION)
1803           choose_menu(current_option->sub_menu);
1804         break;
1805
1806       default:
1807         break;
1808     }
1809   }
1810
1811   set_gba_resolution(screen_scale);
1812   video_resolution_small();
1813   menu_get_clock_speed();
1814   set_clock_speed();
1815
1816   SDL_PauseAudio(0);
1817   num_skipped_frames = 100;
1818
1819   return return_value;
1820 }