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   change_ext(gamepak_filename, 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   #if defined(_WIN32) || defined(_WIN32_WCE)
 845     sprintf(config_path, "%s\\%s", main_path, GPSP_CONFIG_FILENAME);
 846   #else
 847     sprintf(config_path, "%s/%s", main_path, GPSP_CONFIG_FILENAME);
 848   #endif
 849
 850   file_open(config_file, config_path, read);
 851
 852   if(file_check_valid(config_file))
 853   {
 854     u32 file_size = file_length(config_path, config_file);
 855
 856     // Sanity check: File size must be the right size
 857     if(file_size == 92)
 858     {
 859       u32 file_options[file_size / 4];
 860       file_read_array(config_file, file_options);
 861
 862       screen_scale = file_options[0] %
 863         (sizeof(scale_options) / sizeof(scale_options[0]));
 864       screen_filter = file_options[1] % 2;
 865       global_enable_audio = file_options[2] % 2;
 866
 867 #ifdef PSP_BUILD
 868       audio_buffer_size_number = file_options[3] % 10;
 869 #else
 870       audio_buffer_size_number = file_options[3] % 11;
 871 #endif
 872
 873       update_backup_flag = file_options[4] % 2;
 874       global_enable_analog = file_options[5] % 2;
 875       analog_sensitivity_level = file_options[6] % 8;
 876
 877 #ifdef PSP_BUILD
 878     scePowerSetClockFrequency(clock_speed, clock_speed, clock_speed / 2);
 879 #endif
 880
 881       // Sanity check: Make sure there's a MENU or FRAMESKIP
 882       // key, if not assign to triangle
 883
 884 #ifndef PC_BUILD
 885       u32 i;
 886       s32 menu_button = -1;
 887       for(i = 0; i < 16; i++)
 888       {
 889         gamepad_config_map[i] = file_options[7 + i] %
 890          (BUTTON_ID_NONE + 1);
 891
 892         if(gamepad_config_map[i] == BUTTON_ID_MENU)
 893         {
 894           menu_button = i;
 895         }
 896       }
 897
 898       if(menu_button == -1)
 899       {
 900         gamepad_config_map[0] = BUTTON_ID_MENU;
 901       }
 902 #endif
 903
 904       file_close(config_file);
 905     }
 906
 907     return 0;
 908   }
 909
 910   return -1;
 911 }
 912
 913 s32 save_game_config_file()
 914 {
 915   char game_config_filename[512];
 916   u32 i;
 917
 918   change_ext(gamepak_filename, game_config_filename, ".cfg");
 919
 920   file_open(game_config_file, game_config_filename, write);
 921
 922   if(file_check_valid(game_config_file))
 923   {
 924     u32 file_options[14];
 925
 926     file_options[0] = current_frameskip_type;
 927     file_options[1] = frameskip_value;
 928     file_options[2] = random_skip;
 929     file_options[3] = clock_speed;
 930
 931     for(i = 0; i < 10; i++)
 932     {
 933       file_options[4 + i] = cheats[i].cheat_active;
 934     }
 935
 936     file_write_array(game_config_file, file_options);
 937
 938     file_close(game_config_file);
 939
 940     return 0;
 941   }
 942
 943   return -1;
 944 }
 945
 946 s32 save_config_file()
 947 {
 948   char config_path[512];
 949
 950   #if (defined(PSP_BUILD) || defined(ARM_ARCH)) && !defined(_WIN32_WCE)
 951     sprintf(config_path, "%s/%s", main_path, GPSP_CONFIG_FILENAME);
 952   #else
 953     sprintf(config_path, "%s\\%s", main_path, GPSP_CONFIG_FILENAME);
 954   #endif
 955
 956   file_open(config_file, config_path, write);
 957
 958   save_game_config_file();
 959
 960   if(file_check_valid(config_file))
 961   {
 962     u32 file_options[23];
 963
 964     file_options[0] = screen_scale;
 965     file_options[1] = screen_filter;
 966     file_options[2] = global_enable_audio;
 967     file_options[3] = audio_buffer_size_number;
 968     file_options[4] = update_backup_flag;
 969     file_options[5] = global_enable_analog;
 970     file_options[6] = analog_sensitivity_level;
 971
 972 #ifndef PC_BUILD
 973     u32 i;
 974     for(i = 0; i < 16; i++)
 975     {
 976       file_options[7 + i] = gamepad_config_map[i];
 977     }
 978 #endif
 979
 980     file_write_array(config_file, file_options);
 981
 982     file_close(config_file);
 983
 984     return 0;
 985   }
 986
 987   return -1;
 988 }
 989
 990 typedef enum
 991 {
 992   MAIN_MENU,
 993   GAMEPAD_MENU,
 994   SAVESTATE_MENU,
 995   FRAMESKIP_MENU,
 996   CHEAT_MENU
 997 } menu_enum;
 998
 999 u32 savestate_slot = 0;
1000
1001 void get_savestate_snapshot(char *savestate_filename)
1002 {
1003   u16 snapshot_buffer[240 * 160];
1004   char savestate_timestamp_string[80];
1005
1006   file_open(savestate_file, savestate_filename, read);
1007
1008   if(file_check_valid(savestate_file))
1009   {
1010     const char weekday_strings[7][11] =
1011     {
1012       "Sunday", "Monday", "Tuesday", "Wednesday",
1013       "Thursday", "Friday", "Saturday"
1014     };
1015     time_t savestate_time_flat;
1016     struct tm *current_time;
1017     file_read_array(savestate_file, snapshot_buffer);
1018     file_read_variable(savestate_file, savestate_time_flat);
1019
1020     file_close(savestate_file);
1021
1022     current_time = localtime(&savestate_time_flat);
1023     sprintf(savestate_timestamp_string,
1024      "%s  %02d/%02d/%04d  %02d:%02d:%02d                ",
1025      weekday_strings[current_time->tm_wday], current_time->tm_mon + 1,
1026      current_time->tm_mday, current_time->tm_year + 1900,
1027      current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
1028
1029     savestate_timestamp_string[40] = 0;
1030     print_string(savestate_timestamp_string, COLOR_HELP_TEXT, COLOR_BG,
1031      10, 40);
1032   }
1033   else
1034   {
1035     memset(snapshot_buffer, 0, 240 * 160 * 2);
1036     print_string_ext("No savestate in this slot.",
1037      0xFFFF, 0x0000, 15, 75, snapshot_buffer, 240, 0, 0, FONT_HEIGHT);
1038     print_string("---------- --/--/---- --:--:--          ", COLOR_HELP_TEXT,
1039      COLOR_BG, 10, 40);
1040   }
1041
1042 #ifndef GP2X_BUILD
1043   blit_to_screen(snapshot_buffer, 240, 160, 230, 40);
1044 #endif
1045 }
1046
1047 void get_savestate_filename(u32 slot, char *name_buffer)
1048 {
1049   char savestate_ext[16];
1050
1051   sprintf(savestate_ext, "%d.svs", slot);
1052   change_ext(gamepak_filename, name_buffer, savestate_ext);
1053
1054   get_savestate_snapshot(name_buffer);
1055 }
1056
1057 void get_savestate_filename_noshot(u32 slot, char *name_buffer)
1058 {
1059   char savestate_ext[16];
1060
1061   sprintf(savestate_ext, "%d.svs", slot);
1062   change_ext(gamepak_filename, name_buffer, savestate_ext);
1063 }
1064
1065 #ifdef PSP_BUILD
1066   void _flush_cache()
1067   {
1068     invalidate_all_cache();
1069   }
1070 #endif
1071
1072 u32 menu(u16 *original_screen)
1073 {
1074   char print_buffer[81];
1075   u32 clock_speed_number;
1076   gui_action_type gui_action;
1077   u32 i;
1078   u32 repeat = 1;
1079   u32 return_value = 0;
1080   u32 first_load = 0;
1081   char current_savestate_filename[512];
1082   char line_buffer[80];
1083   char cheat_format_str[10][41];
1084
1085   menu_type *current_menu;
1086   menu_option_type *current_option;
1087   menu_option_type *display_option;
1088   u32 current_option_num;
1089
1090   auto void choose_menu();
1091   auto void clear_help();
1092
1093 #ifndef PC_BUILD
1094   static const char * const gamepad_help[] =
1095   {
1096     "Up button on GBA d-pad.",
1097     "Down button on GBA d-pad.",
1098     "Left button on GBA d-pad.",
1099     "Right button on GBA d-pad.",
1100     "A button on GBA.",
1101     "B button on GBA.",
1102     "Left shoulder button on GBA.",
1103     "Right shoulder button on GBA.",
1104     "Start button on GBA.",
1105     "Select button on GBA.",
1106     "Brings up the options menu.",
1107     "Toggles fastforward on/off.",
1108     "Loads the game state from the current slot.",
1109     "Saves the game state to the current slot.",
1110     "Rapidly press/release the A button on GBA.",
1111     "Rapidly press/release the B button on GBA.",
1112     "Rapidly press/release the L shoulder on GBA.",
1113     "Rapidly press/release the R shoulder on GBA.",
1114     "Increases the volume.",
1115     "Decreases the volume.",
1116     "Displays virtual/drawn frames per second.",
1117     "Does nothing."
1118   };
1119
1120   static const char *gamepad_config_buttons[] =
1121   {
1122     "UP",
1123     "DOWN",
1124     "LEFT",
1125     "RIGHT",
1126     "A",
1127     "B",
1128     "L",
1129     "R",
1130     "START",
1131     "SELECT",
1132     "MENU",
1133     "FASTFORWARD",
1134     "LOAD STATE",
1135     "SAVE STATE",
1136     "RAPIDFIRE A",
1137     "RAPIDFIRE B",
1138     "RAPIDFIRE L",
1139     "RAPIDFIRE R",
1140     "VOLUME UP",
1141     "VOLUME DOWN",
1142     "DISPLAY FPS",
1143     "NOTHING"
1144   };
1145 #endif
1146
1147   void menu_update_clock()
1148   {
1149     get_clock_speed_number();
1150     if (clock_speed_number < 0 || clock_speed_number >=
1151      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]))
1152     {
1153       clock_speed = default_clock_speed;
1154       get_clock_speed_number();
1155     }
1156   }
1157
1158   void menu_exit()
1159   {
1160     if(!first_load)
1161      repeat = 0;
1162   }
1163
1164   void menu_quit()
1165   {
1166     menu_get_clock_speed();
1167     save_config_file();
1168     quit();
1169   }
1170
1171   void menu_load()
1172   {
1173     const char *file_ext[] = { ".gba", ".bin", ".zip", NULL };
1174     char load_filename[512];
1175     save_game_config_file();
1176     if(load_file(file_ext, load_filename) != -1)
1177     {
1178        if(load_gamepak(load_filename) == -1)
1179        {
1180          quit();
1181        }
1182        reset_gba();
1183        return_value = 1;
1184        repeat = 0;
1185        reg[CHANGED_PC_STATUS] = 1;
1186        menu_update_clock();
1187     }
1188     else
1189     {
1190       choose_menu(current_menu);
1191     }
1192   }
1193
1194   void menu_restart()
1195   {
1196     if(!first_load)
1197     {
1198       reset_gba();
1199       reg[CHANGED_PC_STATUS] = 1;
1200       return_value = 1;
1201       repeat = 0;
1202     }
1203   }
1204
1205   void menu_change_state()
1206   {
1207     get_savestate_filename(savestate_slot, current_savestate_filename);
1208   }
1209
1210   void menu_save_state()
1211   {
1212     if(!first_load)
1213     {
1214       get_savestate_filename_noshot(savestate_slot,
1215        current_savestate_filename);
1216       save_state(current_savestate_filename, original_screen);
1217     }
1218     menu_change_state();
1219   }
1220
1221   void menu_load_state()
1222   {
1223     if(!first_load)
1224     {
1225       load_state(current_savestate_filename);
1226       return_value = 1;
1227       repeat = 0;
1228     }
1229   }
1230
1231   void menu_load_state_file()
1232   {
1233     const char *file_ext[] = { ".svs", NULL };
1234     char load_filename[512];
1235     if(load_file(file_ext, load_filename) != -1)
1236     {
1237       load_state(load_filename);
1238       return_value = 1;
1239       repeat = 0;
1240     }
1241     else
1242     {
1243       choose_menu(current_menu);
1244     }
1245   }
1246
1247   void menu_fix_gamepad_help()
1248   {
1249 #ifndef PC_BUILD
1250     clear_help();
1251     current_option->help_string =
1252      gamepad_help[gamepad_config_map[
1253      gamepad_config_line_to_button[current_option_num]]];
1254 #endif
1255   }
1256
1257   void submenu_graphics_sound()
1258   {
1259
1260   }
1261
1262   void submenu_cheats_misc()
1263   {
1264
1265   }
1266
1267   void submenu_gamepad()
1268   {
1269
1270   }
1271
1272   void submenu_analog()
1273   {
1274
1275   }
1276
1277   void submenu_savestate()
1278   {
1279     print_string("Savestate options:", COLOR_ACTIVE_ITEM, COLOR_BG, 10, 70);
1280     menu_change_state();
1281   }
1282
1283   void submenu_main()
1284   {
1285     strncpy(print_buffer, gamepak_filename, 80);
1286     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 10);
1287     sprintf(print_buffer, "%s  %s  %s", gamepak_title,
1288      gamepak_code, gamepak_maker);
1289     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 20);
1290
1291     get_savestate_filename_noshot(savestate_slot,
1292      current_savestate_filename);
1293   }
1294
1295   const char *yes_no_options[] = { "no", "yes" };
1296   const char *enable_disable_options[] = { "disabled", "enabled" };
1297
1298   const char *frameskip_options[] = { "automatic", "manual", "off" };
1299   const char *frameskip_variation_options[] = { "uniform", "random" };
1300
1301 #ifndef PSP_BUILD
1302   static const char *audio_buffer_options[] =
1303   {
1304     "16 bytes", "32 bytes", "64 bytes",
1305     "128 bytes", "256 bytes", "512 bytes", "1024 bytes", "2048 bytes",
1306     "4096 bytes", "8192 bytes", "16284 bytes"
1307   };
1308 #else
1309   const char *audio_buffer_options[] =
1310   {
1311     "3072 bytes", "4096 bytes", "5120 bytes", "6144 bytes", "7168 bytes",
1312     "8192 bytes", "9216 bytes", "10240 bytes", "11264 bytes", "12288 bytes"
1313   };
1314 #endif
1315
1316   static const char *update_backup_options[] = { "Exit only", "Automatic" };
1317
1318   // Marker for help information, don't go past this mark (except \n)------*
1319   menu_option_type graphics_sound_options[] =
1320   {
1321     string_selection_option(NULL, "Display scaling", scale_options,
1322      (u32 *)(&screen_scale),
1323      sizeof(scale_options) / sizeof(scale_options[0]),
1324 #ifndef GP2X_BUILD
1325      "Determines how the GBA screen is resized in relation to the\n"
1326      "entire screen."
1327 #ifdef PSP_BUILD
1328      " Select unscaled 3:2 for GBA resolution, scaled 3:2 for GBA\n"
1329      "aspect ratio scaled to fill the height of the PSP screen, and\n"
1330      "fullscreen to fill the entire PSP screen."
1331 #endif
1332 #endif
1333      "", 2),
1334 #ifndef GP2X_BUILD
1335     string_selection_option(NULL, "Screen filtering", yes_no_options,
1336      (u32 *)(&screen_filter), 2,
1337      "Determines whether or not filtering should be used when\n"
1338      "scaling the screen. Selecting this will produce a more even and\n"
1339      "smooth image, at the cost of being blurry and having less vibrant\n"
1340      "colors.", 3),
1341 #endif
1342     string_selection_option(NULL, "Frameskip type", frameskip_options,
1343      (u32 *)(&current_frameskip_type), 3,
1344 #ifndef GP2X_BUILD
1345      "Determines what kind of frameskipping to use.\n"
1346      "Frameskipping may improve emulation speed of many games.\n"
1347 #endif
1348      "Off: Do not skip any frames.\n"
1349      "Auto: Skip up to N frames (see next opt) as needed.\n"
1350      "Manual: Always render only 1 out of N + 1 frames."
1351      , 5),
1352     numeric_selection_option(NULL, "Frameskip value", &frameskip_value, 100,
1353 #ifndef GP2X_BUILD
1354      "For auto frameskip, determines the maximum number of frames that\n"
1355      "are allowed to be skipped consecutively.\n"
1356      "For manual frameskip, determines the number of frames that will\n"
1357      "always be skipped."
1358 #endif
1359      "", 6),
1360     string_selection_option(NULL, "Framskip variation",
1361      frameskip_variation_options, &random_skip, 2,
1362 #ifndef GP2X_BUILD
1363      "If objects in the game flicker at a regular rate certain manual\n"
1364      "frameskip values may cause them to normally disappear. Change this\n"
1365      "value to 'random' to avoid this. Do not use otherwise, as it tends\n"
1366      "to make the image quality worse, especially in high motion games."
1367 #endif
1368      "", 7),
1369     string_selection_option(NULL, "Audio output", yes_no_options,
1370      &global_enable_audio, 2,
1371      "Select 'no' to turn off all audio output. This will\n"
1372      "not result in a significant change in performance.", 9),
1373 #ifndef PSP_BUILD
1374     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1375              &audio_buffer_size_number, 11,
1376 #else
1377     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1378              &audio_buffer_size_number, 10,
1379 #endif
1380
1381 #ifdef PSP_BUILD
1382      "Set the size (in bytes) of the audio buffer. Larger values may result\n"
1383      "in slightly better performance at the cost of latency; the lowest\n"
1384      "value will give the most responsive audio.\n"
1385      "This option requires gpSP to be restarted before it will take effect.",
1386 #else
1387      "Set the size (in bytes) of the audio buffer.\n"
1388      "This option requires gpSP restart to take effect.",
1389 #endif
1390      10),
1391     submenu_option(NULL, "Back", "Return to the main menu.", 12)
1392   };
1393
1394   make_menu(graphics_sound, submenu_graphics_sound, NULL);
1395
1396   menu_option_type cheats_misc_options[] =
1397   {
1398     cheat_option(0),
1399     cheat_option(1),
1400     cheat_option(2),
1401     cheat_option(3),
1402     cheat_option(4),
1403     cheat_option(5),
1404     cheat_option(6),
1405     cheat_option(7),
1406     cheat_option(8),
1407     cheat_option(9),
1408 #if defined(PSP_BUILD) || defined(GP2X_BUILD)
1409     string_selection_option(NULL, "Clock speed",
1410      clock_speed_options, &clock_speed_number,
1411      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]),
1412      "Change the clock speed of the device. Higher clock\n"
1413      "speed will yield better performance, but will drain\n"
1414      "battery life further.", 11),
1415 #endif
1416     string_selection_option(NULL, "Update backup",
1417      update_backup_options, &update_backup_flag, 2,
1418 #ifdef GP2X_BUILD
1419      "Determines when in-game save files should be\n"
1420      "written back to SD card."
1421 #else
1422      "Determines when in-game save files should be written back to\n"
1423      "card. If set to 'automatic' writebacks will occur shortly after\n"
1424      "the game's backup is altered. On 'exit only' it will only be\n"
1425      "written back when you exit from this menu.\n"
1426 #ifdef PSP
1427      "(NOT from using the home button), use the latter with extreme care."
1428 #endif
1429 #endif
1430      "", 12),
1431     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1432   };
1433
1434   make_menu(cheats_misc, submenu_cheats_misc, NULL);
1435
1436   menu_option_type savestate_options[] =
1437   {
1438     numeric_selection_action_hide_option(menu_load_state, menu_change_state,
1439      "Load savestate from current slot", &savestate_slot, 10,
1440      "Select to load the game state from the current slot\n"
1441      "for this game.\n"
1442      "Press left + right to change the current slot.", 6),
1443     numeric_selection_action_hide_option(menu_save_state, menu_change_state,
1444      "Save savestate to current slot", &savestate_slot, 10,
1445      "Select to save the game state to the current slot\n"
1446      "for this game.\n"
1447      "Press left + right to change the current slot.", 7),
1448     numeric_selection_action_hide_option(menu_load_state_file,
1449       menu_change_state,
1450      "Load savestate from file", &savestate_slot, 10,
1451      "Restore gameplay from a savestate file.\n"
1452      "Note: The same file used to save the state must be\n"
1453      "present.\n", 9),
1454     numeric_selection_option(menu_change_state,
1455      "Current savestate slot", &savestate_slot, 10,
1456      "Change the current savestate slot.\n", 11),
1457     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1458   };
1459
1460   make_menu(savestate, submenu_savestate, NULL);
1461
1462 #ifdef PSP_BUILD
1463
1464   menu_option_type gamepad_config_options[] =
1465   {
1466     gamepad_config_option("D-pad up     ", 0),
1467     gamepad_config_option("D-pad down   ", 1),
1468     gamepad_config_option("D-pad left   ", 2),
1469     gamepad_config_option("D-pad right  ", 3),
1470     gamepad_config_option("Circle       ", 4),
1471     gamepad_config_option("Cross        ", 5),
1472     gamepad_config_option("Square       ", 6),
1473     gamepad_config_option("Triangle     ", 7),
1474     gamepad_config_option("Left Trigger ", 8),
1475     gamepad_config_option("Right Trigger", 9),
1476     gamepad_config_option("Start        ", 10),
1477     gamepad_config_option("Select       ", 11),
1478     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1479   };
1480
1481
1482   menu_option_type analog_config_options[] =
1483   {
1484     analog_config_option("Analog up   ", 0),
1485     analog_config_option("Analog down ", 1),
1486     analog_config_option("Analog left ", 2),
1487     analog_config_option("Analog right", 3),
1488     string_selection_option(NULL, "Enable analog", yes_no_options,
1489      &global_enable_analog, 2,
1490      "Select 'no' to block analog input entirely.", 7),
1491     numeric_selection_option(NULL, "Analog sensitivity",
1492      &analog_sensitivity_level, 10,
1493      "Determine sensitivity/responsiveness of the analog input.\n"
1494      "Lower numbers are less sensitive.", 8),
1495     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1496   };
1497
1498 #endif
1499
1500 #if defined(GP2X_BUILD) || defined(PND_BUILD)
1501
1502   menu_option_type gamepad_config_options[] =
1503   {
1504     gamepad_config_option("D-pad up     ", 0),
1505     gamepad_config_option("D-pad down   ", 1),
1506     gamepad_config_option("D-pad left   ", 2),
1507     gamepad_config_option("D-pad right  ", 3),
1508     gamepad_config_option("A            ", 4),
1509     gamepad_config_option("B            ", 5),
1510     gamepad_config_option("X            ", 6),
1511     gamepad_config_option("Y            ", 7),
1512     gamepad_config_option("Left Trigger ", 8),
1513     gamepad_config_option("Right Trigger", 9),
1514 #ifdef WIZ_BUILD
1515     gamepad_config_option("Menu         ", 10),
1516 #else
1517     gamepad_config_option("Start        ", 10),
1518 #endif
1519     gamepad_config_option("Select       ", 11),
1520 #if !defined(WIZ_BUILD) && !defined(PND_BUILD)
1521     gamepad_config_option("Stick Push   ", 12),
1522 #endif
1523 #ifdef PND_BUILD
1524     gamepad_config_option("1            ", 12),
1525     gamepad_config_option("2            ", 13),
1526     gamepad_config_option("3            ", 14),
1527     gamepad_config_option("4            ", 15),
1528     submenu_option(NULL, "Back", "Return to the main menu.", 16)
1529 #else
1530     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1531 #endif
1532   };
1533
1534
1535   menu_option_type analog_config_options[] =
1536   {
1537     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1538   };
1539
1540 #endif
1541
1542 #ifdef PC_BUILD
1543
1544   menu_option_type gamepad_config_options[] =
1545   {
1546     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1547   };
1548
1549   menu_option_type analog_config_options[] =
1550   {
1551     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1552   };
1553
1554 #endif
1555
1556   make_menu(gamepad_config, submenu_gamepad, NULL);
1557   make_menu(analog_config, submenu_analog, NULL);
1558
1559   menu_option_type main_options[] =
1560   {
1561     submenu_option(&graphics_sound_menu, "Graphics and Sound options",
1562      "Select to set display parameters and frameskip\n"
1563      "behavior, audio on/off, buffer size, and filtering.", 0),
1564     numeric_selection_action_option(menu_load_state, NULL,
1565      "Load state from slot", &savestate_slot, 10,
1566      "Select to load the game state from the current slot\n"
1567      "for this game, if it exists.\n"
1568      "Press left + right to change the current slot.", 2),
1569     numeric_selection_action_option(menu_save_state, NULL,
1570      "Save state to slot", &savestate_slot, 10,
1571      "Select to save the game state to the current slot\n"
1572      "for this game. See the extended menu for more info.\n"
1573      "Press left + right to change the current slot.", 3),
1574     submenu_option(&savestate_menu, "Savestate options",
1575      "Select to enter a menu for loading, saving, and\n"
1576      "viewing the currently active savestate for this game\n"
1577      "(or to load a savestate file from another game)", 4),
1578     submenu_option(&gamepad_config_menu, "Configure gamepad input",
1579      "Select to change the in-game behavior of buttons\n"
1580      "and d-pad.", 6),
1581 #ifndef GP2X_BUILD
1582     submenu_option(&analog_config_menu, "Configure analog input",
1583      "Select to change the in-game behavior of the PSP analog nub.", 7),
1584 #endif
1585     submenu_option(&cheats_misc_menu, "Cheats and Miscellaneous options",
1586      "Select to manage cheats, set backup behavior,\n"
1587      "and set device clock speed.", 9),
1588     action_option(menu_load, NULL, "Load new game",
1589      "Select to load a new game\n"
1590      "(will exit a game if currently playing).", 11),
1591     action_option(menu_restart, NULL, "Restart game",
1592      "Select to reset the GBA with the current game\n"
1593      "loaded.", 12),
1594     action_option(menu_exit, NULL, "Return to game",
1595      "Select to exit this menu and resume gameplay.", 13),
1596     action_option(menu_quit, NULL, "Exit gpSP",
1597      "Select to exit gpSP and return to the menu.", 15)
1598   };
1599
1600   make_menu(main, submenu_main, NULL);
1601
1602   void choose_menu(menu_type *new_menu)
1603   {
1604     if(new_menu == NULL)
1605       new_menu = &main_menu;
1606
1607     clear_screen(COLOR_BG);
1608
1609 #ifndef GP2X_BUILD
1610     blit_to_screen(original_screen, 240, 160, 230, 40);
1611 #endif
1612
1613     current_menu = new_menu;
1614     current_option = new_menu->options;
1615     current_option_num = 0;
1616     if(current_menu->init_function)
1617      current_menu->init_function();
1618   }
1619
1620   void clear_help()
1621   {
1622     for(i = 0; i < 6; i++)
1623     {
1624       print_string_pad(" ", COLOR_BG, COLOR_BG, 8, 210 + (i * 10), 70);
1625     }
1626   }
1627
1628   menu_update_clock();
1629   video_resolution_large();
1630
1631 #ifndef GP2X_BUILD
1632   SDL_LockMutex(sound_mutex);
1633 #endif
1634   SDL_PauseAudio(1);
1635
1636 #ifndef GP2X_BUILD
1637   SDL_UnlockMutex(sound_mutex);
1638 #endif
1639
1640   if(gamepak_filename[0] == 0)
1641   {
1642     first_load = 1;
1643     memset(original_screen, 0x00, 240 * 160 * 2);
1644     print_string_ext("No game loaded yet.", 0xFFFF, 0x0000,
1645      60, 75,original_screen, 240, 0, 0, FONT_HEIGHT);
1646   }
1647
1648   choose_menu(&main_menu);
1649
1650   for(i = 0; i < 10; i++)
1651   {
1652     if(i >= num_cheats)
1653     {
1654       sprintf(cheat_format_str[i], "cheat %d (none loaded)", i);
1655     }
1656     else
1657     {
1658       sprintf(cheat_format_str[i], "cheat %d (%s): %%s", i,
1659        cheats[i].cheat_name);
1660     }
1661   }
1662
1663   current_menu->init_function();
1664
1665   while(repeat)
1666   {
1667     display_option = current_menu->options;
1668
1669     for(i = 0; i < current_menu->num_options; i++, display_option++)
1670     {
1671       if(display_option->option_type & NUMBER_SELECTION_OPTION)
1672       {
1673         sprintf(line_buffer, display_option->display_string,
1674          *(display_option->current_option));
1675       }
1676       else
1677
1678       if(display_option->option_type & STRING_SELECTION_OPTION)
1679       {
1680         sprintf(line_buffer, display_option->display_string,
1681          ((u32 *)display_option->options)[*(display_option->current_option)]);
1682       }
1683       else
1684       {
1685         strcpy(line_buffer, display_option->display_string);
1686       }
1687
1688       if(display_option == current_option)
1689       {
1690         print_string_pad(line_buffer, COLOR_ACTIVE_ITEM, COLOR_BG, 6,
1691          (display_option->line_number * 10) + 40, 36);
1692       }
1693       else
1694       {
1695         print_string_pad(line_buffer, COLOR_INACTIVE_ITEM, COLOR_BG, 6,
1696          (display_option->line_number * 10) + 40, 36);
1697       }
1698     }
1699
1700     print_string(current_option->help_string, COLOR_HELP_TEXT,
1701      COLOR_BG, 8, 210);
1702
1703     flip_screen();
1704
1705     gui_action = get_gui_input();
1706
1707     switch(gui_action)
1708     {
1709       case CURSOR_DOWN:
1710         current_option_num = (current_option_num + 1) %
1711           current_menu->num_options;
1712
1713         current_option = current_menu->options + current_option_num;
1714         clear_help();
1715         break;
1716
1717       case CURSOR_UP:
1718         if(current_option_num)
1719           current_option_num--;
1720         else
1721           current_option_num = current_menu->num_options - 1;
1722
1723         current_option = current_menu->options + current_option_num;
1724         clear_help();
1725         break;
1726
1727       case CURSOR_RIGHT:
1728         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1729          STRING_SELECTION_OPTION))
1730         {
1731           *(current_option->current_option) =
1732            (*current_option->current_option + 1) %
1733            current_option->num_options;
1734
1735           if(current_option->passive_function)
1736             current_option->passive_function();
1737         }
1738         break;
1739
1740       case CURSOR_LEFT:
1741         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1742          STRING_SELECTION_OPTION))
1743         {
1744           u32 current_option_val = *(current_option->current_option);
1745
1746           if(current_option_val)
1747             current_option_val--;
1748           else
1749             current_option_val = current_option->num_options - 1;
1750
1751           *(current_option->current_option) = current_option_val;
1752
1753           if(current_option->passive_function)
1754             current_option->passive_function();
1755         }
1756         break;
1757
1758       case CURSOR_EXIT:
1759         if(current_menu == &main_menu)
1760           menu_exit();
1761
1762         choose_menu(&main_menu);
1763         break;
1764
1765       case CURSOR_SELECT:
1766         if(current_option->option_type & ACTION_OPTION)
1767           current_option->action_function();
1768
1769         if(current_option->option_type & SUBMENU_OPTION)
1770           choose_menu(current_option->sub_menu);
1771         break;
1772
1773       default:
1774         break;
1775     }
1776   }
1777
1778   set_gba_resolution(screen_scale);
1779   video_resolution_small();
1780   menu_get_clock_speed();
1781   set_clock_speed();
1782
1783   SDL_PauseAudio(0);
1784   num_skipped_frames = 100;
1785
1786   return return_value;
1787 }