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 360
  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(WIZ_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 };
 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(PND_BUILD)
 757   "unscaled", "2x", "3x", "fullscreen"
 758 #elif defined(GP2X_BUILD)
 759   "unscaled 3:2", "scaled 3:2", "fullscreen", "scaled 3:2 (software)"
 760 #else
 761   "unscaled 3:2"
 762 #endif
 763 };
 764
 765 s32 load_game_config_file()
 766 {
 767   char game_config_filename[512];
 768   u32 file_loaded = 0;
 769   u32 i;
 770   make_rpath(game_config_filename, sizeof(game_config_filename), ".cfg");
 771
 772   file_open(game_config_file, game_config_filename, read);
 773
 774   if(file_check_valid(game_config_file))
 775   {
 776     u32 file_size = file_length(game_config_filename, game_config_file);
 777
 778     // Sanity check: File size must be the right size
 779     if(file_size == 56)
 780     {
 781       u32 file_options[file_size / 4];
 782
 783       file_read_array(game_config_file, file_options);
 784       current_frameskip_type = file_options[0] % 3;
 785       frameskip_value = file_options[1];
 786       random_skip = file_options[2] % 2;
 787       clock_speed = file_options[3];
 788
 789 #ifdef WIZ_BUILD
 790       if(clock_speed > 900)
 791         clock_speed = 533;
 792 #elif defined(GP2X_BUILD)
 793       if(clock_speed >= 300)
 794         clock_speed = 200;
 795 #else
 796       if(clock_speed > 333)
 797         clock_speed = 333;
 798 #endif
 799
 800       if(clock_speed < 33)
 801         clock_speed = 33;
 802
 803       if(frameskip_value < 0)
 804         frameskip_value = 0;
 805
 806       if(frameskip_value > 99)
 807         frameskip_value = 99;
 808
 809       for(i = 0; i < 10; i++)
 810       {
 811         cheats[i].cheat_active = file_options[3 + i] % 2;
 812         cheats[i].cheat_name[0] = 0;
 813       }
 814
 815       file_close(game_config_file);
 816       file_loaded = 1;
 817     }
 818   }
 819
 820   if(file_loaded)
 821     return 0;
 822
 823   current_frameskip_type = auto_frameskip;
 824   frameskip_value = 4;
 825 #ifdef WIZ_BUILD
 826   frameskip_value = 1;
 827 #endif
 828   random_skip = 0;
 829   clock_speed = default_clock_speed;
 830
 831   for(i = 0; i < 10; i++)
 832   {
 833     cheats[i].cheat_active = 0;
 834     cheats[i].cheat_name[0] = 0;
 835   }
 836
 837   return -1;
 838 }
 839
 840 s32 load_config_file()
 841 {
 842   char config_path[512];
 843
 844   sprintf(config_path, "%s" PATH_SEPARATOR "%s", main_path, GPSP_CONFIG_FILENAME);
 845
 846   file_open(config_file, config_path, read);
 847
 848   if(file_check_valid(config_file))
 849   {
 850     u32 file_size = file_length(config_path, config_file);
 851
 852     // Sanity check: File size must be the right size
 853     if(file_size == 92)
 854     {
 855       u32 file_options[file_size / 4];
 856       file_read_array(config_file, file_options);
 857
 858       screen_scale = file_options[0] %
 859         (sizeof(scale_options) / sizeof(scale_options[0]));
 860       screen_filter = file_options[1] % 2;
 861       global_enable_audio = file_options[2] % 2;
 862
 863 #ifdef PSP_BUILD
 864       audio_buffer_size_number = file_options[3] % 10;
 865 #else
 866       audio_buffer_size_number = file_options[3] % 11;
 867 #endif
 868
 869       update_backup_flag = file_options[4] % 2;
 870       global_enable_analog = file_options[5] % 2;
 871       analog_sensitivity_level = file_options[6] % 8;
 872
 873 #ifdef PSP_BUILD
 874     scePowerSetClockFrequency(clock_speed, clock_speed, clock_speed / 2);
 875 #endif
 876
 877       // Sanity check: Make sure there's a MENU or FRAMESKIP
 878       // key, if not assign to triangle
 879
 880 #ifndef PC_BUILD
 881       u32 i;
 882       s32 menu_button = -1;
 883       for(i = 0; i < 16; i++)
 884       {
 885         gamepad_config_map[i] = file_options[7 + i] %
 886          (BUTTON_ID_NONE + 1);
 887
 888         if(gamepad_config_map[i] == BUTTON_ID_MENU)
 889         {
 890           menu_button = i;
 891         }
 892       }
 893
 894       if(menu_button == -1)
 895       {
 896         gamepad_config_map[0] = BUTTON_ID_MENU;
 897       }
 898 #endif
 899
 900       file_close(config_file);
 901     }
 902
 903     return 0;
 904   }
 905
 906   return -1;
 907 }
 908
 909 s32 save_game_config_file()
 910 {
 911   char game_config_filename[512];
 912   u32 i;
 913
 914   make_rpath(game_config_filename, sizeof(game_config_filename), ".cfg");
 915
 916   file_open(game_config_file, game_config_filename, write);
 917
 918   if(file_check_valid(game_config_file))
 919   {
 920     u32 file_options[14];
 921
 922     file_options[0] = current_frameskip_type;
 923     file_options[1] = frameskip_value;
 924     file_options[2] = random_skip;
 925     file_options[3] = clock_speed;
 926
 927     for(i = 0; i < 10; i++)
 928     {
 929       file_options[4 + i] = cheats[i].cheat_active;
 930     }
 931
 932     file_write_array(game_config_file, file_options);
 933
 934     file_close(game_config_file);
 935
 936     return 0;
 937   }
 938
 939   return -1;
 940 }
 941
 942 s32 save_config_file()
 943 {
 944   char config_path[512];
 945
 946   sprintf(config_path, "%s" PATH_SEPARATOR "%s", main_path, GPSP_CONFIG_FILENAME);
 947
 948   file_open(config_file, config_path, write);
 949
 950   save_game_config_file();
 951
 952   if(file_check_valid(config_file))
 953   {
 954     u32 file_options[23];
 955
 956     file_options[0] = screen_scale;
 957     file_options[1] = screen_filter;
 958     file_options[2] = global_enable_audio;
 959     file_options[3] = audio_buffer_size_number;
 960     file_options[4] = update_backup_flag;
 961     file_options[5] = global_enable_analog;
 962     file_options[6] = analog_sensitivity_level;
 963
 964 #ifndef PC_BUILD
 965     u32 i;
 966     for(i = 0; i < 16; i++)
 967     {
 968       file_options[7 + i] = gamepad_config_map[i];
 969     }
 970 #endif
 971
 972     file_write_array(config_file, file_options);
 973
 974     file_close(config_file);
 975
 976     return 0;
 977   }
 978
 979   return -1;
 980 }
 981
 982 typedef enum
 983 {
 984   MAIN_MENU,
 985   GAMEPAD_MENU,
 986   SAVESTATE_MENU,
 987   FRAMESKIP_MENU,
 988   CHEAT_MENU
 989 } menu_enum;
 990
 991 u32 savestate_slot = 0;
 992
 993 void get_savestate_snapshot(char *savestate_filename)
 994 {
 995   u16 snapshot_buffer[240 * 160];
 996   char savestate_timestamp_string[80];
 997
 998   file_open(savestate_file, savestate_filename, read);
 999
1000   if(file_check_valid(savestate_file))
1001   {
1002     const char weekday_strings[7][11] =
1003     {
1004       "Sunday", "Monday", "Tuesday", "Wednesday",
1005       "Thursday", "Friday", "Saturday"
1006     };
1007     time_t savestate_time_flat;
1008     struct tm *current_time;
1009     file_read_array(savestate_file, snapshot_buffer);
1010     file_read_variable(savestate_file, savestate_time_flat);
1011
1012     file_close(savestate_file);
1013
1014     current_time = localtime(&savestate_time_flat);
1015     sprintf(savestate_timestamp_string,
1016      "%s  %02d/%02d/%04d  %02d:%02d:%02d                ",
1017      weekday_strings[current_time->tm_wday], current_time->tm_mon + 1,
1018      current_time->tm_mday, current_time->tm_year + 1900,
1019      current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
1020
1021     savestate_timestamp_string[40] = 0;
1022     print_string(savestate_timestamp_string, COLOR_HELP_TEXT, COLOR_BG,
1023      10, 40);
1024   }
1025   else
1026   {
1027     memset(snapshot_buffer, 0, 240 * 160 * 2);
1028     print_string_ext("No savestate in this slot.",
1029      0xFFFF, 0x0000, 15, 75, snapshot_buffer, 240, 0, 0, FONT_HEIGHT);
1030     print_string("---------- --/--/---- --:--:--          ", COLOR_HELP_TEXT,
1031      COLOR_BG, 10, 40);
1032   }
1033
1034 #ifndef GP2X_BUILD
1035   blit_to_screen(snapshot_buffer, 240, 160, 230, 40);
1036 #endif
1037 }
1038
1039 void get_savestate_filename_noshot(u32 slot, char *name_buffer)
1040 {
1041   char savestate_ext[16];
1042
1043   sprintf(savestate_ext, "%d.svs", slot);
1044   make_rpath(name_buffer, 512, savestate_ext);
1045 }
1046
1047 void get_savestate_filename(u32 slot, char *name_buffer)
1048 {
1049   get_savestate_filename_noshot(slot, name_buffer);
1050   get_savestate_snapshot(name_buffer);
1051 }
1052
1053 #ifdef PSP_BUILD
1054   void _flush_cache()
1055   {
1056     invalidate_all_cache();
1057   }
1058 #endif
1059
1060 u32 menu(u16 *original_screen)
1061 {
1062   char print_buffer[81];
1063   u32 clock_speed_number;
1064   gui_action_type gui_action;
1065   u32 i;
1066   u32 repeat = 1;
1067   u32 return_value = 0;
1068   u32 first_load = 0;
1069   char current_savestate_filename[512];
1070   char line_buffer[80];
1071   char cheat_format_str[10][41];
1072
1073   menu_type *current_menu;
1074   menu_option_type *current_option;
1075   menu_option_type *display_option;
1076   u32 current_option_num;
1077
1078   auto void choose_menu();
1079   auto void clear_help();
1080
1081 #ifndef PC_BUILD
1082   static const char * const gamepad_help[] =
1083   {
1084     "Up button on GBA d-pad.",
1085     "Down button on GBA d-pad.",
1086     "Left button on GBA d-pad.",
1087     "Right button on GBA d-pad.",
1088     "A button on GBA.",
1089     "B button on GBA.",
1090     "Left shoulder button on GBA.",
1091     "Right shoulder button on GBA.",
1092     "Start button on GBA.",
1093     "Select button on GBA.",
1094     "Brings up the options menu.",
1095     "Toggles fastforward on/off.",
1096     "Loads the game state from the current slot.",
1097     "Saves the game state to the current slot.",
1098     "Rapidly press/release the A button on GBA.",
1099     "Rapidly press/release the B button on GBA.",
1100     "Rapidly press/release the L shoulder on GBA.",
1101     "Rapidly press/release the R shoulder on GBA.",
1102     "Increases the volume.",
1103     "Decreases the volume.",
1104     "Displays virtual/drawn frames per second.",
1105     "Does nothing."
1106   };
1107
1108   static const char *gamepad_config_buttons[] =
1109   {
1110     "UP",
1111     "DOWN",
1112     "LEFT",
1113     "RIGHT",
1114     "A",
1115     "B",
1116     "L",
1117     "R",
1118     "START",
1119     "SELECT",
1120     "MENU",
1121     "FASTFORWARD",
1122     "LOAD STATE",
1123     "SAVE STATE",
1124     "RAPIDFIRE A",
1125     "RAPIDFIRE B",
1126     "RAPIDFIRE L",
1127     "RAPIDFIRE R",
1128     "VOLUME UP",
1129     "VOLUME DOWN",
1130     "DISPLAY FPS",
1131     "NOTHING"
1132   };
1133 #endif
1134
1135   void menu_update_clock()
1136   {
1137     get_clock_speed_number();
1138     if (clock_speed_number < 0 || clock_speed_number >=
1139      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]))
1140     {
1141       clock_speed = default_clock_speed;
1142       get_clock_speed_number();
1143     }
1144   }
1145
1146   void menu_exit()
1147   {
1148     if(!first_load)
1149      repeat = 0;
1150   }
1151
1152   void menu_quit()
1153   {
1154     menu_get_clock_speed();
1155     save_config_file();
1156     quit();
1157   }
1158
1159   void menu_load()
1160   {
1161     const char *file_ext[] = { ".gba", ".bin", ".zip", NULL };
1162     char load_filename[512];
1163     save_game_config_file();
1164     if(load_file(file_ext, load_filename) != -1)
1165     {
1166        if(load_gamepak(load_filename) == -1)
1167        {
1168          quit();
1169        }
1170        reset_gba();
1171        return_value = 1;
1172        repeat = 0;
1173        reg[CHANGED_PC_STATUS] = 1;
1174        menu_update_clock();
1175     }
1176     else
1177     {
1178       choose_menu(current_menu);
1179     }
1180   }
1181
1182   void menu_restart()
1183   {
1184     if(!first_load)
1185     {
1186       reset_gba();
1187       reg[CHANGED_PC_STATUS] = 1;
1188       return_value = 1;
1189       repeat = 0;
1190     }
1191   }
1192
1193   void menu_change_state()
1194   {
1195     get_savestate_filename(savestate_slot, current_savestate_filename);
1196   }
1197
1198   void menu_save_state()
1199   {
1200     if(!first_load)
1201     {
1202       get_savestate_filename_noshot(savestate_slot,
1203        current_savestate_filename);
1204       save_state(current_savestate_filename, original_screen);
1205     }
1206     menu_change_state();
1207   }
1208
1209   void menu_load_state()
1210   {
1211     if(!first_load)
1212     {
1213       load_state(current_savestate_filename);
1214       return_value = 1;
1215       repeat = 0;
1216     }
1217   }
1218
1219   void menu_load_state_file()
1220   {
1221     const char *file_ext[] = { ".svs", NULL };
1222     char load_filename[512];
1223     if(load_file(file_ext, load_filename) != -1)
1224     {
1225       load_state(load_filename);
1226       return_value = 1;
1227       repeat = 0;
1228     }
1229     else
1230     {
1231       choose_menu(current_menu);
1232     }
1233   }
1234
1235   void menu_fix_gamepad_help()
1236   {
1237 #ifndef PC_BUILD
1238     clear_help();
1239     current_option->help_string =
1240      gamepad_help[gamepad_config_map[
1241      gamepad_config_line_to_button[current_option_num]]];
1242 #endif
1243   }
1244
1245   void submenu_graphics_sound()
1246   {
1247
1248   }
1249
1250   void submenu_cheats_misc()
1251   {
1252
1253   }
1254
1255   void submenu_gamepad()
1256   {
1257
1258   }
1259
1260   void submenu_analog()
1261   {
1262
1263   }
1264
1265   void submenu_savestate()
1266   {
1267     print_string("Savestate options:", COLOR_ACTIVE_ITEM, COLOR_BG, 10, 70);
1268     menu_change_state();
1269   }
1270
1271   void submenu_main()
1272   {
1273     strncpy(print_buffer, gamepak_filename, 80);
1274     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 10);
1275     sprintf(print_buffer, "%s  %s  %s", gamepak_title,
1276      gamepak_code, gamepak_maker);
1277     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 20);
1278
1279     get_savestate_filename_noshot(savestate_slot,
1280      current_savestate_filename);
1281   }
1282
1283   const char *yes_no_options[] = { "no", "yes" };
1284   const char *enable_disable_options[] = { "disabled", "enabled" };
1285
1286   const char *frameskip_options[] = { "automatic", "manual", "off" };
1287   const char *frameskip_variation_options[] = { "uniform", "random" };
1288
1289 #ifndef PSP_BUILD
1290   static const char *audio_buffer_options[] =
1291   {
1292     "16 bytes", "32 bytes", "64 bytes",
1293     "128 bytes", "256 bytes", "512 bytes", "1024 bytes", "2048 bytes",
1294     "4096 bytes", "8192 bytes", "16284 bytes"
1295   };
1296 #else
1297   const char *audio_buffer_options[] =
1298   {
1299     "3072 bytes", "4096 bytes", "5120 bytes", "6144 bytes", "7168 bytes",
1300     "8192 bytes", "9216 bytes", "10240 bytes", "11264 bytes", "12288 bytes"
1301   };
1302 #endif
1303
1304   static const char *update_backup_options[] = { "Exit only", "Automatic" };
1305
1306   // Marker for help information, don't go past this mark (except \n)------*
1307   menu_option_type graphics_sound_options[] =
1308   {
1309     string_selection_option(NULL, "Display scaling", scale_options,
1310      (u32 *)(&screen_scale),
1311      sizeof(scale_options) / sizeof(scale_options[0]),
1312 #ifndef GP2X_BUILD
1313      "Determines how the GBA screen is resized in relation to the\n"
1314      "entire screen."
1315 #ifdef PSP_BUILD
1316      " Select unscaled 3:2 for GBA resolution, scaled 3:2 for GBA\n"
1317      "aspect ratio scaled to fill the height of the PSP screen, and\n"
1318      "fullscreen to fill the entire PSP screen."
1319 #endif
1320 #endif
1321      "", 2),
1322 #ifndef GP2X_BUILD
1323     string_selection_option(NULL, "Screen filtering", yes_no_options,
1324      (u32 *)(&screen_filter), 2,
1325      "Determines whether or not filtering should be used when\n"
1326      "scaling the screen. Selecting this will produce a more even and\n"
1327      "smooth image, at the cost of being blurry and having less vibrant\n"
1328      "colors.", 3),
1329 #endif
1330     string_selection_option(NULL, "Frameskip type", frameskip_options,
1331      (u32 *)(&current_frameskip_type), 3,
1332 #ifndef GP2X_BUILD
1333      "Determines what kind of frameskipping to use.\n"
1334      "Frameskipping may improve emulation speed of many games.\n"
1335 #endif
1336      "Off: Do not skip any frames.\n"
1337      "Auto: Skip up to N frames (see next opt) as needed.\n"
1338      "Manual: Always render only 1 out of N + 1 frames."
1339      , 5),
1340     numeric_selection_option(NULL, "Frameskip value", &frameskip_value, 100,
1341 #ifndef GP2X_BUILD
1342      "For auto frameskip, determines the maximum number of frames that\n"
1343      "are allowed to be skipped consecutively.\n"
1344      "For manual frameskip, determines the number of frames that will\n"
1345      "always be skipped."
1346 #endif
1347      "", 6),
1348     string_selection_option(NULL, "Framskip variation",
1349      frameskip_variation_options, &random_skip, 2,
1350 #ifndef GP2X_BUILD
1351      "If objects in the game flicker at a regular rate certain manual\n"
1352      "frameskip values may cause them to normally disappear. Change this\n"
1353      "value to 'random' to avoid this. Do not use otherwise, as it tends\n"
1354      "to make the image quality worse, especially in high motion games."
1355 #endif
1356      "", 7),
1357     string_selection_option(NULL, "Audio output", yes_no_options,
1358      &global_enable_audio, 2,
1359      "Select 'no' to turn off all audio output. This will\n"
1360      "not result in a significant change in performance.", 9),
1361 #ifndef PSP_BUILD
1362     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1363              &audio_buffer_size_number, 11,
1364 #else
1365     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1366              &audio_buffer_size_number, 10,
1367 #endif
1368
1369 #ifdef PSP_BUILD
1370      "Set the size (in bytes) of the audio buffer. Larger values may result\n"
1371      "in slightly better performance at the cost of latency; the lowest\n"
1372      "value will give the most responsive audio.\n"
1373      "This option requires gpSP to be restarted before it will take effect.",
1374 #else
1375      "Set the size (in bytes) of the audio buffer.\n"
1376      "This option requires gpSP restart to take effect.",
1377 #endif
1378      10),
1379     submenu_option(NULL, "Back", "Return to the main menu.", 12)
1380   };
1381
1382   make_menu(graphics_sound, submenu_graphics_sound, NULL);
1383
1384   menu_option_type cheats_misc_options[] =
1385   {
1386     cheat_option(0),
1387     cheat_option(1),
1388     cheat_option(2),
1389     cheat_option(3),
1390     cheat_option(4),
1391     cheat_option(5),
1392     cheat_option(6),
1393     cheat_option(7),
1394     cheat_option(8),
1395     cheat_option(9),
1396 #if defined(PSP_BUILD) || defined(GP2X_BUILD)
1397     string_selection_option(NULL, "Clock speed",
1398      clock_speed_options, &clock_speed_number,
1399      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]),
1400      "Change the clock speed of the device. Higher clock\n"
1401      "speed will yield better performance, but will drain\n"
1402      "battery life further.", 11),
1403 #endif
1404     string_selection_option(NULL, "Update backup",
1405      update_backup_options, &update_backup_flag, 2,
1406 #ifdef GP2X_BUILD
1407      "Determines when in-game save files should be\n"
1408      "written back to SD card."
1409 #else
1410      "Determines when in-game save files should be written back to\n"
1411      "card. If set to 'automatic' writebacks will occur shortly after\n"
1412      "the game's backup is altered. On 'exit only' it will only be\n"
1413      "written back when you exit from this menu.\n"
1414 #ifdef PSP
1415      "(NOT from using the home button), use the latter with extreme care."
1416 #endif
1417 #endif
1418      "", 12),
1419     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1420   };
1421
1422   make_menu(cheats_misc, submenu_cheats_misc, NULL);
1423
1424   menu_option_type savestate_options[] =
1425   {
1426     numeric_selection_action_hide_option(menu_load_state, menu_change_state,
1427      "Load savestate from current slot", &savestate_slot, 10,
1428      "Select to load the game state from the current slot\n"
1429      "for this game.\n"
1430      "Press left + right to change the current slot.", 6),
1431     numeric_selection_action_hide_option(menu_save_state, menu_change_state,
1432      "Save savestate to current slot", &savestate_slot, 10,
1433      "Select to save the game state to the current slot\n"
1434      "for this game.\n"
1435      "Press left + right to change the current slot.", 7),
1436     numeric_selection_action_hide_option(menu_load_state_file,
1437       menu_change_state,
1438      "Load savestate from file", &savestate_slot, 10,
1439      "Restore gameplay from a savestate file.\n"
1440      "Note: The same file used to save the state must be\n"
1441      "present.\n", 9),
1442     numeric_selection_option(menu_change_state,
1443      "Current savestate slot", &savestate_slot, 10,
1444      "Change the current savestate slot.\n", 11),
1445     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1446   };
1447
1448   make_menu(savestate, submenu_savestate, NULL);
1449
1450 #ifdef PSP_BUILD
1451
1452   menu_option_type gamepad_config_options[] =
1453   {
1454     gamepad_config_option("D-pad up     ", 0),
1455     gamepad_config_option("D-pad down   ", 1),
1456     gamepad_config_option("D-pad left   ", 2),
1457     gamepad_config_option("D-pad right  ", 3),
1458     gamepad_config_option("Circle       ", 4),
1459     gamepad_config_option("Cross        ", 5),
1460     gamepad_config_option("Square       ", 6),
1461     gamepad_config_option("Triangle     ", 7),
1462     gamepad_config_option("Left Trigger ", 8),
1463     gamepad_config_option("Right Trigger", 9),
1464     gamepad_config_option("Start        ", 10),
1465     gamepad_config_option("Select       ", 11),
1466     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1467   };
1468
1469
1470   menu_option_type analog_config_options[] =
1471   {
1472     analog_config_option("Analog up   ", 0),
1473     analog_config_option("Analog down ", 1),
1474     analog_config_option("Analog left ", 2),
1475     analog_config_option("Analog right", 3),
1476     string_selection_option(NULL, "Enable analog", yes_no_options,
1477      &global_enable_analog, 2,
1478      "Select 'no' to block analog input entirely.", 7),
1479     numeric_selection_option(NULL, "Analog sensitivity",
1480      &analog_sensitivity_level, 10,
1481      "Determine sensitivity/responsiveness of the analog input.\n"
1482      "Lower numbers are less sensitive.", 8),
1483     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1484   };
1485
1486 #endif
1487
1488 #if defined(GP2X_BUILD) || defined(PND_BUILD)
1489
1490   menu_option_type gamepad_config_options[] =
1491   {
1492     gamepad_config_option("D-pad up     ", 0),
1493     gamepad_config_option("D-pad down   ", 1),
1494     gamepad_config_option("D-pad left   ", 2),
1495     gamepad_config_option("D-pad right  ", 3),
1496     gamepad_config_option("A            ", 4),
1497     gamepad_config_option("B            ", 5),
1498     gamepad_config_option("X            ", 6),
1499     gamepad_config_option("Y            ", 7),
1500     gamepad_config_option("Left Trigger ", 8),
1501     gamepad_config_option("Right Trigger", 9),
1502 #ifdef WIZ_BUILD
1503     gamepad_config_option("Menu         ", 10),
1504 #else
1505     gamepad_config_option("Start        ", 10),
1506 #endif
1507     gamepad_config_option("Select       ", 11),
1508 #if !defined(WIZ_BUILD) && !defined(PND_BUILD)
1509     gamepad_config_option("Stick Push   ", 12),
1510 #endif
1511 #ifdef PND_BUILD
1512     gamepad_config_option("1            ", 12),
1513     gamepad_config_option("2            ", 13),
1514     gamepad_config_option("3            ", 14),
1515     gamepad_config_option("4            ", 15),
1516     submenu_option(NULL, "Back", "Return to the main menu.", 16)
1517 #else
1518     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1519 #endif
1520   };
1521
1522
1523   menu_option_type analog_config_options[] =
1524   {
1525     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1526   };
1527
1528 #endif
1529
1530 #ifdef PC_BUILD
1531
1532   menu_option_type gamepad_config_options[] =
1533   {
1534     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1535   };
1536
1537   menu_option_type analog_config_options[] =
1538   {
1539     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1540   };
1541
1542 #endif
1543
1544   make_menu(gamepad_config, submenu_gamepad, NULL);
1545   make_menu(analog_config, submenu_analog, NULL);
1546
1547   menu_option_type main_options[] =
1548   {
1549     submenu_option(&graphics_sound_menu, "Graphics and Sound options",
1550      "Select to set display parameters and frameskip\n"
1551      "behavior, audio on/off, buffer size, and filtering.", 0),
1552     numeric_selection_action_option(menu_load_state, NULL,
1553      "Load state from slot", &savestate_slot, 10,
1554      "Select to load the game state from the current slot\n"
1555      "for this game, if it exists.\n"
1556      "Press left + right to change the current slot.", 2),
1557     numeric_selection_action_option(menu_save_state, NULL,
1558      "Save state to slot", &savestate_slot, 10,
1559      "Select to save the game state to the current slot\n"
1560      "for this game. See the extended menu for more info.\n"
1561      "Press left + right to change the current slot.", 3),
1562     submenu_option(&savestate_menu, "Savestate options",
1563      "Select to enter a menu for loading, saving, and\n"
1564      "viewing the currently active savestate for this game\n"
1565      "(or to load a savestate file from another game)", 4),
1566     submenu_option(&gamepad_config_menu, "Configure gamepad input",
1567      "Select to change the in-game behavior of buttons\n"
1568      "and d-pad.", 6),
1569 #ifndef GP2X_BUILD
1570     submenu_option(&analog_config_menu, "Configure analog input",
1571      "Select to change the in-game behavior of the PSP analog nub.", 7),
1572 #endif
1573     submenu_option(&cheats_misc_menu, "Cheats and Miscellaneous options",
1574      "Select to manage cheats, set backup behavior,\n"
1575      "and set device clock speed.", 9),
1576     action_option(menu_load, NULL, "Load new game",
1577      "Select to load a new game\n"
1578      "(will exit a game if currently playing).", 11),
1579     action_option(menu_restart, NULL, "Restart game",
1580      "Select to reset the GBA with the current game\n"
1581      "loaded.", 12),
1582     action_option(menu_exit, NULL, "Return to game",
1583      "Select to exit this menu and resume gameplay.", 13),
1584     action_option(menu_quit, NULL, "Exit gpSP",
1585      "Select to exit gpSP and return to the menu.", 15)
1586   };
1587
1588   make_menu(main, submenu_main, NULL);
1589
1590   void choose_menu(menu_type *new_menu)
1591   {
1592     if(new_menu == NULL)
1593       new_menu = &main_menu;
1594
1595     clear_screen(COLOR_BG);
1596
1597 #ifndef GP2X_BUILD
1598     blit_to_screen(original_screen, 240, 160, 230, 40);
1599 #endif
1600
1601     current_menu = new_menu;
1602     current_option = new_menu->options;
1603     current_option_num = 0;
1604     if(current_menu->init_function)
1605      current_menu->init_function();
1606   }
1607
1608   void clear_help()
1609   {
1610     for(i = 0; i < 6; i++)
1611     {
1612       print_string_pad(" ", COLOR_BG, COLOR_BG, 8, 210 + (i * 10), 70);
1613     }
1614   }
1615
1616   menu_update_clock();
1617   video_resolution_large();
1618
1619 #ifndef GP2X_BUILD
1620   SDL_LockMutex(sound_mutex);
1621 #endif
1622   SDL_PauseAudio(1);
1623
1624 #ifndef GP2X_BUILD
1625   SDL_UnlockMutex(sound_mutex);
1626 #endif
1627
1628   if(gamepak_filename[0] == 0)
1629   {
1630     first_load = 1;
1631     memset(original_screen, 0x00, 240 * 160 * 2);
1632     print_string_ext("No game loaded yet.", 0xFFFF, 0x0000,
1633      60, 75,original_screen, 240, 0, 0, FONT_HEIGHT);
1634   }
1635
1636   choose_menu(&main_menu);
1637
1638   for(i = 0; i < 10; i++)
1639   {
1640     if(i >= num_cheats)
1641     {
1642       sprintf(cheat_format_str[i], "cheat %d (none loaded)", i);
1643     }
1644     else
1645     {
1646       sprintf(cheat_format_str[i], "cheat %d (%s): %%s", i,
1647        cheats[i].cheat_name);
1648     }
1649   }
1650
1651   current_menu->init_function();
1652
1653   while(repeat)
1654   {
1655     display_option = current_menu->options;
1656
1657     for(i = 0; i < current_menu->num_options; i++, display_option++)
1658     {
1659       if(display_option->option_type & NUMBER_SELECTION_OPTION)
1660       {
1661         sprintf(line_buffer, display_option->display_string,
1662          *(display_option->current_option));
1663       }
1664       else
1665
1666       if(display_option->option_type & STRING_SELECTION_OPTION)
1667       {
1668         sprintf(line_buffer, display_option->display_string,
1669          ((u32 *)display_option->options)[*(display_option->current_option)]);
1670       }
1671       else
1672       {
1673         strcpy(line_buffer, display_option->display_string);
1674       }
1675
1676       if(display_option == current_option)
1677       {
1678         print_string_pad(line_buffer, COLOR_ACTIVE_ITEM, COLOR_BG, 6,
1679          (display_option->line_number * 10) + 40, 36);
1680       }
1681       else
1682       {
1683         print_string_pad(line_buffer, COLOR_INACTIVE_ITEM, COLOR_BG, 6,
1684          (display_option->line_number * 10) + 40, 36);
1685       }
1686     }
1687
1688     print_string(current_option->help_string, COLOR_HELP_TEXT,
1689      COLOR_BG, 8, 210);
1690
1691     flip_screen();
1692
1693     gui_action = get_gui_input();
1694
1695     switch(gui_action)
1696     {
1697       case CURSOR_DOWN:
1698         current_option_num = (current_option_num + 1) %
1699           current_menu->num_options;
1700
1701         current_option = current_menu->options + current_option_num;
1702         clear_help();
1703         break;
1704
1705       case CURSOR_UP:
1706         if(current_option_num)
1707           current_option_num--;
1708         else
1709           current_option_num = current_menu->num_options - 1;
1710
1711         current_option = current_menu->options + current_option_num;
1712         clear_help();
1713         break;
1714
1715       case CURSOR_RIGHT:
1716         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1717          STRING_SELECTION_OPTION))
1718         {
1719           *(current_option->current_option) =
1720            (*current_option->current_option + 1) %
1721            current_option->num_options;
1722
1723           if(current_option->passive_function)
1724             current_option->passive_function();
1725         }
1726         break;
1727
1728       case CURSOR_LEFT:
1729         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1730          STRING_SELECTION_OPTION))
1731         {
1732           u32 current_option_val = *(current_option->current_option);
1733
1734           if(current_option_val)
1735             current_option_val--;
1736           else
1737             current_option_val = current_option->num_options - 1;
1738
1739           *(current_option->current_option) = current_option_val;
1740
1741           if(current_option->passive_function)
1742             current_option->passive_function();
1743         }
1744         break;
1745
1746       case CURSOR_EXIT:
1747         if(current_menu == &main_menu)
1748           menu_exit();
1749
1750         choose_menu(&main_menu);
1751         break;
1752
1753       case CURSOR_SELECT:
1754         if(current_option->option_type & ACTION_OPTION)
1755           current_option->action_function();
1756
1757         if(current_option->option_type & SUBMENU_OPTION)
1758           choose_menu(current_option->sub_menu);
1759         break;
1760
1761       default:
1762         break;
1763     }
1764   }
1765
1766   set_gba_resolution(screen_scale);
1767   video_resolution_small();
1768   menu_get_clock_speed();
1769   set_clock_speed();
1770
1771   SDL_PauseAudio(0);
1772   num_skipped_frames = 100;
1773
1774   return return_value;
1775 }