gui.c

   1 /* gameplaySP
   2  *
   3  * Copyright (C) 2006 Exophase <exophase@gmail.com>
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public Licens e as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "common.h"
  20 #include "font.h"
  21
  22 #ifndef _WIN32_WCE
  23
  24 #include <sys/stat.h>
  25 #include <unistd.h>
  26 #include <ctype.h>
  27 #include <dirent.h>
  28
  29 #endif
  30
  31 #define MAX_PATH 1024
  32
  33 // Blatantly stolen and trimmed from MZX (megazeux.sourceforge.net)
  34
  35 #ifdef GP2X_BUILD
  36
  37 #define FILE_LIST_ROWS 20
  38 #define FILE_LIST_POSITION 5
  39 #define DIR_LIST_POSITION 260
  40
  41 #else
  42
  43 #define FILE_LIST_ROWS 25
  44 #define FILE_LIST_POSITION 5
  45 #define DIR_LIST_POSITION (resolution_width * 3 / 4)
  46
  47 #endif
  48
  49 #ifdef PSP_BUILD
  50
  51 #define COLOR_BG            color16(2, 8, 10)
  52
  53 #define color16(red, green, blue)                                             \
  54   (blue << 11) | (green << 5) | red                                           \
  55
  56 #else
  57
  58 #define COLOR_BG            color16(0, 0, 0)
  59
  60 #define color16(red, green, blue)                                             \
  61   (red << 11) | (green << 5) | blue                                           \
  62
  63 #endif
  64
  65 #define COLOR_ROM_INFO      color16(22, 36, 26)
  66 #define COLOR_ACTIVE_ITEM   color16(31, 63, 31)
  67 #define COLOR_INACTIVE_ITEM color16(13, 40, 18)
  68 #define COLOR_FRAMESKIP_BAR color16(15, 31, 31)
  69 #define COLOR_HELP_TEXT     color16(16, 40, 24)
  70
  71 #ifdef PSP_BUILD
  72   static const char *clock_speed_options[] =
  73   {
  74     "33MHz", "66MHz", "100MHz", "133MHz", "166MHz", "200MHz", "233MHz",
  75     "266MHz", "300MHz", "333MHz"
  76   };
  77   #define menu_get_clock_speed() \
  78     clock_speed = (clock_speed_number + 1) * 33
  79   #define get_clock_speed_number() \
  80     clock_speed_number = (clock_speed / 33) - 1
  81 #elif defined(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 const char *filter2_options[] =
 766 {
 767   "none", "scale2x", "scale3x", "eagle2x"
 768 };
 769
 770 s32 load_game_config_file()
 771 {
 772   char game_config_filename[512];
 773   u32 file_loaded = 0;
 774   u32 i;
 775   make_rpath(game_config_filename, sizeof(game_config_filename), ".cfg");
 776
 777   file_open(game_config_file, game_config_filename, read);
 778
 779   if(file_check_valid(game_config_file))
 780   {
 781     u32 file_size = file_length(game_config_filename, game_config_file);
 782
 783     // Sanity check: File size must be the right size
 784     if(file_size == 56)
 785     {
 786       u32 file_options[file_size / 4];
 787
 788       file_read_array(game_config_file, file_options);
 789       current_frameskip_type = file_options[0] % 3;
 790       frameskip_value = file_options[1];
 791       random_skip = file_options[2] % 2;
 792       clock_speed = file_options[3];
 793
 794 #ifdef WIZ_BUILD
 795       if(clock_speed > 900)
 796         clock_speed = 533;
 797 #elif defined(GP2X_BUILD)
 798       if(clock_speed >= 300)
 799         clock_speed = 200;
 800 #else
 801       if(clock_speed > 333)
 802         clock_speed = 333;
 803 #endif
 804
 805       if(clock_speed < 33)
 806         clock_speed = 33;
 807
 808       if(frameskip_value < 0)
 809         frameskip_value = 0;
 810
 811       if(frameskip_value > 99)
 812         frameskip_value = 99;
 813
 814       for(i = 0; i < 10; i++)
 815       {
 816         cheats[i].cheat_active = file_options[4 + i] % 2;
 817         cheats[i].cheat_name[0] = 0;
 818       }
 819
 820       file_close(game_config_file);
 821       file_loaded = 1;
 822     }
 823   }
 824
 825   if(file_loaded)
 826     return 0;
 827
 828   current_frameskip_type = auto_frameskip;
 829   frameskip_value = 4;
 830 #ifdef WIZ_BUILD
 831   frameskip_value = 1;
 832 #endif
 833   random_skip = 0;
 834   clock_speed = default_clock_speed;
 835
 836   for(i = 0; i < 10; i++)
 837   {
 838     cheats[i].cheat_active = 0;
 839     cheats[i].cheat_name[0] = 0;
 840   }
 841
 842   return -1;
 843 }
 844
 845 #define FILE_OPTION_COUNT 24
 846
 847 s32 load_config_file()
 848 {
 849   char config_path[512];
 850
 851   sprintf(config_path, "%s" PATH_SEPARATOR "%s", main_path, GPSP_CONFIG_FILENAME);
 852
 853   file_open(config_file, config_path, read);
 854
 855   if(file_check_valid(config_file))
 856   {
 857     u32 file_size = file_length(config_path, config_file);
 858
 859     // Sanity check: File size must be the right size
 860     if(file_size == FILE_OPTION_COUNT * 4)
 861     {
 862       u32 file_options[file_size / 4];
 863       file_read_array(config_file, file_options);
 864
 865       screen_scale = file_options[0] %
 866         (sizeof(scale_options) / sizeof(scale_options[0]));
 867       screen_filter = file_options[1] % 2;
 868       global_enable_audio = file_options[2] % 2;
 869       screen_filter2 = file_options[23] %
 870         (sizeof(filter2_options) / sizeof(filter2_options[0]));
 871
 872 #ifdef PSP_BUILD
 873       audio_buffer_size_number = file_options[3] % 10;
 874 #else
 875       audio_buffer_size_number = file_options[3] % 11;
 876 #endif
 877
 878       update_backup_flag = file_options[4] % 2;
 879       global_enable_analog = file_options[5] % 2;
 880       analog_sensitivity_level = file_options[6] % 8;
 881
 882 #ifdef PSP_BUILD
 883     scePowerSetClockFrequency(clock_speed, clock_speed, clock_speed / 2);
 884 #endif
 885
 886       // Sanity check: Make sure there's a MENU or FRAMESKIP
 887       // key, if not assign to triangle
 888
 889 #ifndef PC_BUILD
 890       u32 i;
 891       s32 menu_button = -1;
 892       for(i = 0; i < 16; i++)
 893       {
 894         gamepad_config_map[i] = file_options[7 + i] %
 895          (BUTTON_ID_NONE + 1);
 896
 897         if(gamepad_config_map[i] == BUTTON_ID_MENU)
 898         {
 899           menu_button = i;
 900         }
 901       }
 902
 903       if(menu_button == -1)
 904       {
 905         gamepad_config_map[0] = BUTTON_ID_MENU;
 906       }
 907 #endif
 908
 909       file_close(config_file);
 910     }
 911
 912     return 0;
 913   }
 914
 915   return -1;
 916 }
 917
 918 s32 save_game_config_file()
 919 {
 920   char game_config_filename[512];
 921   u32 i;
 922
 923   make_rpath(game_config_filename, sizeof(game_config_filename), ".cfg");
 924
 925   file_open(game_config_file, game_config_filename, write);
 926
 927   if(file_check_valid(game_config_file))
 928   {
 929     u32 file_options[14];
 930
 931     file_options[0] = current_frameskip_type;
 932     file_options[1] = frameskip_value;
 933     file_options[2] = random_skip;
 934     file_options[3] = clock_speed;
 935
 936     for(i = 0; i < 10; i++)
 937     {
 938       file_options[4 + i] = cheats[i].cheat_active;
 939     }
 940
 941     file_write_array(game_config_file, file_options);
 942
 943     file_close(game_config_file);
 944
 945     return 0;
 946   }
 947
 948   return -1;
 949 }
 950
 951 s32 save_config_file()
 952 {
 953   char config_path[512];
 954
 955   sprintf(config_path, "%s" PATH_SEPARATOR "%s", main_path, GPSP_CONFIG_FILENAME);
 956
 957   file_open(config_file, config_path, write);
 958
 959   save_game_config_file();
 960
 961   if(file_check_valid(config_file))
 962   {
 963     u32 file_options[FILE_OPTION_COUNT];
 964
 965     file_options[0] = screen_scale;
 966     file_options[1] = screen_filter;
 967     file_options[2] = global_enable_audio;
 968     file_options[3] = audio_buffer_size_number;
 969     file_options[4] = update_backup_flag;
 970     file_options[5] = global_enable_analog;
 971     file_options[6] = analog_sensitivity_level;
 972     file_options[23] = screen_filter2;
 973
 974 #ifndef PC_BUILD
 975     u32 i;
 976     for(i = 0; i < 16; i++)
 977     {
 978       file_options[7 + i] = gamepad_config_map[i];
 979     }
 980 #endif
 981
 982     file_write_array(config_file, file_options);
 983
 984     file_close(config_file);
 985
 986     return 0;
 987   }
 988
 989   return -1;
 990 }
 991
 992 typedef enum
 993 {
 994   MAIN_MENU,
 995   GAMEPAD_MENU,
 996   SAVESTATE_MENU,
 997   FRAMESKIP_MENU,
 998   CHEAT_MENU
 999 } menu_enum;
1000
1001 u32 savestate_slot = 0;
1002
1003 void get_savestate_snapshot(char *savestate_filename)
1004 {
1005   u16 snapshot_buffer[240 * 160];
1006   char savestate_timestamp_string[80];
1007
1008   file_open(savestate_file, savestate_filename, read);
1009
1010   if(file_check_valid(savestate_file))
1011   {
1012     const char weekday_strings[7][11] =
1013     {
1014       "Sunday", "Monday", "Tuesday", "Wednesday",
1015       "Thursday", "Friday", "Saturday"
1016     };
1017     time_t savestate_time_flat;
1018     struct tm *current_time;
1019     file_read_array(savestate_file, snapshot_buffer);
1020     file_read_variable(savestate_file, savestate_time_flat);
1021
1022     file_close(savestate_file);
1023
1024     current_time = localtime(&savestate_time_flat);
1025     sprintf(savestate_timestamp_string,
1026      "%s  %02d/%02d/%04d  %02d:%02d:%02d                ",
1027      weekday_strings[current_time->tm_wday], current_time->tm_mon + 1,
1028      current_time->tm_mday, current_time->tm_year + 1900,
1029      current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
1030
1031     savestate_timestamp_string[40] = 0;
1032     print_string(savestate_timestamp_string, COLOR_HELP_TEXT, COLOR_BG,
1033      10, 40);
1034   }
1035   else
1036   {
1037     memset(snapshot_buffer, 0, 240 * 160 * 2);
1038     print_string_ext("No savestate in this slot.",
1039      0xFFFF, 0x0000, 15, 75, snapshot_buffer, 240, 0, 0, FONT_HEIGHT);
1040     print_string("---------- --/--/---- --:--:--          ", COLOR_HELP_TEXT,
1041      COLOR_BG, 10, 40);
1042   }
1043
1044 #ifndef GP2X_BUILD
1045   blit_to_screen(snapshot_buffer, 240, 160, 230, 40);
1046 #endif
1047 }
1048
1049 void get_savestate_filename_noshot(u32 slot, char *name_buffer)
1050 {
1051   char savestate_ext[16];
1052
1053   sprintf(savestate_ext, "%d.svs", slot);
1054   make_rpath(name_buffer, 512, savestate_ext);
1055 }
1056
1057 void get_savestate_filename(u32 slot, char *name_buffer)
1058 {
1059   get_savestate_filename_noshot(slot, name_buffer);
1060   get_savestate_snapshot(name_buffer);
1061 }
1062
1063 #ifdef PSP_BUILD
1064   void _flush_cache()
1065   {
1066     invalidate_all_cache();
1067   }
1068 #endif
1069
1070 u32 menu(u16 *original_screen)
1071 {
1072   char print_buffer[81];
1073   u32 clock_speed_number;
1074   gui_action_type gui_action;
1075   u32 i;
1076   u32 repeat = 1;
1077   u32 return_value = 0;
1078   u32 first_load = 0;
1079   char current_savestate_filename[512];
1080   char line_buffer[80];
1081   char cheat_format_str[10][41];
1082
1083   menu_type *current_menu;
1084   menu_option_type *current_option;
1085   menu_option_type *display_option;
1086   u32 current_option_num;
1087
1088   auto void choose_menu();
1089   auto void clear_help();
1090
1091 #ifndef PC_BUILD
1092   static const char * const gamepad_help[] =
1093   {
1094     "Up button on GBA d-pad.",
1095     "Down button on GBA d-pad.",
1096     "Left button on GBA d-pad.",
1097     "Right button on GBA d-pad.",
1098     "A button on GBA.",
1099     "B button on GBA.",
1100     "Left shoulder button on GBA.",
1101     "Right shoulder button on GBA.",
1102     "Start button on GBA.",
1103     "Select button on GBA.",
1104     "Brings up the options menu.",
1105     "Toggles fastforward on/off.",
1106     "Loads the game state from the current slot.",
1107     "Saves the game state to the current slot.",
1108     "Rapidly press/release the A button on GBA.",
1109     "Rapidly press/release the B button on GBA.",
1110     "Rapidly press/release the L shoulder on GBA.",
1111     "Rapidly press/release the R shoulder on GBA.",
1112     "Increases the volume.",
1113     "Decreases the volume.",
1114     "Displays virtual/drawn frames per second.",
1115     "Does nothing."
1116   };
1117
1118   static const char *gamepad_config_buttons[] =
1119   {
1120     "UP",
1121     "DOWN",
1122     "LEFT",
1123     "RIGHT",
1124     "A",
1125     "B",
1126     "L",
1127     "R",
1128     "START",
1129     "SELECT",
1130     "MENU",
1131     "FASTFORWARD",
1132     "LOAD STATE",
1133     "SAVE STATE",
1134     "RAPIDFIRE A",
1135     "RAPIDFIRE B",
1136     "RAPIDFIRE L",
1137     "RAPIDFIRE R",
1138     "VOLUME UP",
1139     "VOLUME DOWN",
1140     "DISPLAY FPS",
1141     "NOTHING"
1142   };
1143 #endif
1144
1145   void menu_update_clock()
1146   {
1147     get_clock_speed_number();
1148     if (clock_speed_number < 0 || clock_speed_number >=
1149      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]))
1150     {
1151       clock_speed = default_clock_speed;
1152       get_clock_speed_number();
1153     }
1154   }
1155
1156   void menu_exit()
1157   {
1158     if(!first_load)
1159      repeat = 0;
1160   }
1161
1162   void menu_quit()
1163   {
1164     menu_get_clock_speed();
1165     save_config_file();
1166     quit();
1167   }
1168
1169   void menu_load()
1170   {
1171     const char *file_ext[] = { ".gba", ".bin", ".zip", NULL };
1172     char load_filename[512];
1173     save_game_config_file();
1174     if(load_file(file_ext, load_filename) != -1)
1175     {
1176        if(load_gamepak(load_filename) == -1)
1177        {
1178          quit();
1179        }
1180        reset_gba();
1181        return_value = 1;
1182        repeat = 0;
1183        reg[CHANGED_PC_STATUS] = 1;
1184        menu_update_clock();
1185     }
1186     else
1187     {
1188       choose_menu(current_menu);
1189     }
1190   }
1191
1192   void menu_restart()
1193   {
1194     if(!first_load)
1195     {
1196       reset_gba();
1197       reg[CHANGED_PC_STATUS] = 1;
1198       return_value = 1;
1199       repeat = 0;
1200     }
1201   }
1202
1203   void menu_change_state()
1204   {
1205     get_savestate_filename(savestate_slot, current_savestate_filename);
1206   }
1207
1208   void menu_save_state()
1209   {
1210     if(!first_load)
1211     {
1212       get_savestate_filename_noshot(savestate_slot,
1213        current_savestate_filename);
1214       save_state(current_savestate_filename, original_screen);
1215     }
1216     menu_change_state();
1217   }
1218
1219   void menu_load_state()
1220   {
1221     if(!first_load)
1222     {
1223       load_state(current_savestate_filename);
1224       return_value = 1;
1225       repeat = 0;
1226     }
1227   }
1228
1229   void menu_load_state_file()
1230   {
1231     const char *file_ext[] = { ".svs", NULL };
1232     char load_filename[512];
1233     if(load_file(file_ext, load_filename) != -1)
1234     {
1235       load_state(load_filename);
1236       return_value = 1;
1237       repeat = 0;
1238     }
1239     else
1240     {
1241       choose_menu(current_menu);
1242     }
1243   }
1244
1245   void menu_fix_gamepad_help()
1246   {
1247 #ifndef PC_BUILD
1248     clear_help();
1249     current_option->help_string =
1250      gamepad_help[gamepad_config_map[
1251      gamepad_config_line_to_button[current_option_num]]];
1252 #endif
1253   }
1254
1255   void submenu_graphics_sound()
1256   {
1257
1258   }
1259
1260   void submenu_cheats_misc()
1261   {
1262
1263   }
1264
1265   void submenu_gamepad()
1266   {
1267
1268   }
1269
1270   void submenu_analog()
1271   {
1272
1273   }
1274
1275   void submenu_savestate()
1276   {
1277     print_string("Savestate options:", COLOR_ACTIVE_ITEM, COLOR_BG, 10, 70);
1278     menu_change_state();
1279   }
1280
1281   void submenu_main()
1282   {
1283     strncpy(print_buffer, gamepak_filename, 80);
1284     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 10);
1285     sprintf(print_buffer, "%s  %s  %s", gamepak_title,
1286      gamepak_code, gamepak_maker);
1287     print_string(print_buffer, COLOR_ROM_INFO, COLOR_BG, 10, 20);
1288
1289     get_savestate_filename_noshot(savestate_slot,
1290      current_savestate_filename);
1291   }
1292
1293   const char *yes_no_options[] = { "no", "yes" };
1294   const char *enable_disable_options[] = { "disabled", "enabled" };
1295
1296   const char *frameskip_options[] = { "automatic", "manual", "off" };
1297   const char *frameskip_variation_options[] = { "uniform", "random" };
1298
1299 #ifndef PSP_BUILD
1300   static const char *audio_buffer_options[] =
1301   {
1302     "16 bytes", "32 bytes", "64 bytes",
1303     "128 bytes", "256 bytes", "512 bytes", "1024 bytes", "2048 bytes",
1304     "4096 bytes", "8192 bytes", "16284 bytes"
1305   };
1306 #else
1307   const char *audio_buffer_options[] =
1308   {
1309     "3072 bytes", "4096 bytes", "5120 bytes", "6144 bytes", "7168 bytes",
1310     "8192 bytes", "9216 bytes", "10240 bytes", "11264 bytes", "12288 bytes"
1311   };
1312 #endif
1313
1314   static const char *update_backup_options[] = { "Exit only", "Automatic" };
1315
1316   // Marker for help information, don't go past this mark (except \n)------*
1317   menu_option_type graphics_sound_options[] =
1318   {
1319     string_selection_option(NULL, "Display scaling", scale_options,
1320      (u32 *)(&screen_scale),
1321      sizeof(scale_options) / sizeof(scale_options[0]),
1322 #ifndef GP2X_BUILD
1323      "Determines how the GBA screen is resized in relation to the\n"
1324      "entire screen."
1325 #ifdef PSP_BUILD
1326      " Select unscaled 3:2 for GBA resolution, scaled 3:2 for GBA\n"
1327      "aspect ratio scaled to fill the height of the PSP screen, and\n"
1328      "fullscreen to fill the entire PSP screen."
1329 #endif
1330 #endif
1331      "", 2),
1332 #ifndef GP2X_BUILD
1333     string_selection_option(NULL, "Screen filtering", yes_no_options,
1334      (u32 *)(&screen_filter), 2,
1335      "Determines whether or not filtering should be used when\n"
1336      "scaling the screen. Selecting this will produce a more even and\n"
1337      "smooth image, at the cost of being blurry and having less vibrant\n"
1338      "colors.", 3),
1339 #endif
1340 #ifdef PND_BUILD
1341     string_selection_option(NULL, "Scaling filter", filter2_options,
1342      (u32 *)(&screen_filter2),
1343      sizeof(filter2_options) / sizeof(filter2_options[0]),
1344      "Optional pixel art scaling filter", 4),
1345 #endif
1346     string_selection_option(NULL, "Frameskip type", frameskip_options,
1347      (u32 *)(&current_frameskip_type), 3,
1348 #ifndef GP2X_BUILD
1349      "Determines what kind of frameskipping to use.\n"
1350      "Frameskipping may improve emulation speed of many games.\n"
1351 #endif
1352      "Off: Do not skip any frames.\n"
1353      "Auto: Skip up to N frames (see next opt) as needed.\n"
1354      "Manual: Always render only 1 out of N + 1 frames."
1355      , 5),
1356     numeric_selection_option(NULL, "Frameskip value", &frameskip_value, 100,
1357 #ifndef GP2X_BUILD
1358      "For auto frameskip, determines the maximum number of frames that\n"
1359      "are allowed to be skipped consecutively.\n"
1360      "For manual frameskip, determines the number of frames that will\n"
1361      "always be skipped."
1362 #endif
1363      "", 6),
1364     string_selection_option(NULL, "Framskip variation",
1365      frameskip_variation_options, &random_skip, 2,
1366 #ifndef GP2X_BUILD
1367      "If objects in the game flicker at a regular rate certain manual\n"
1368      "frameskip values may cause them to normally disappear. Change this\n"
1369      "value to 'random' to avoid this. Do not use otherwise, as it tends\n"
1370      "to make the image quality worse, especially in high motion games."
1371 #endif
1372      "", 7),
1373     string_selection_option(NULL, "Audio output", yes_no_options,
1374      &global_enable_audio, 2,
1375      "Select 'no' to turn off all audio output. This will\n"
1376      "not result in a significant change in performance.", 9),
1377 #ifndef PSP_BUILD
1378     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1379              &audio_buffer_size_number, 11,
1380 #else
1381     string_selection_option(NULL, "Audio buffer", audio_buffer_options,
1382              &audio_buffer_size_number, 10,
1383 #endif
1384
1385 #ifdef PSP_BUILD
1386      "Set the size (in bytes) of the audio buffer. Larger values may result\n"
1387      "in slightly better performance at the cost of latency; the lowest\n"
1388      "value will give the most responsive audio.\n"
1389      "This option requires gpSP to be restarted before it will take effect.",
1390 #else
1391      "Set the size (in bytes) of the audio buffer.\n"
1392      "This option requires gpSP restart to take effect.\n"
1393      "Settable values may be limited by SDL implementation.",
1394 #endif
1395      10),
1396     submenu_option(NULL, "Back", "Return to the main menu.", 12)
1397   };
1398
1399   make_menu(graphics_sound, submenu_graphics_sound, NULL);
1400
1401   menu_option_type cheats_misc_options[] =
1402   {
1403     cheat_option(0),
1404     cheat_option(1),
1405     cheat_option(2),
1406     cheat_option(3),
1407     cheat_option(4),
1408     cheat_option(5),
1409     cheat_option(6),
1410     cheat_option(7),
1411     cheat_option(8),
1412     cheat_option(9),
1413 #if defined(PSP_BUILD) || defined(GP2X_BUILD)
1414     string_selection_option(NULL, "Clock speed",
1415      clock_speed_options, &clock_speed_number,
1416      sizeof(clock_speed_options) / sizeof(clock_speed_options[0]),
1417      "Change the clock speed of the device. Higher clock\n"
1418      "speed will yield better performance, but will drain\n"
1419      "battery life further.", 11),
1420 #endif
1421     string_selection_option(NULL, "Update backup",
1422      update_backup_options, &update_backup_flag, 2,
1423 #ifdef GP2X_BUILD
1424      "Determines when in-game save files should be\n"
1425      "written back to SD card."
1426 #else
1427      "Determines when in-game save files should be written back to\n"
1428      "card. If set to 'automatic' writebacks will occur shortly after\n"
1429      "the game's backup is altered. On 'exit only' it will only be\n"
1430      "written back when you exit from this menu.\n"
1431 #ifdef PSP
1432      "(NOT from using the home button), use the latter with extreme care."
1433 #endif
1434 #endif
1435      "", 12),
1436     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1437   };
1438
1439   make_menu(cheats_misc, submenu_cheats_misc, NULL);
1440
1441   menu_option_type savestate_options[] =
1442   {
1443     numeric_selection_action_hide_option(menu_load_state, menu_change_state,
1444      "Load savestate from current slot", &savestate_slot, 10,
1445      "Select to load the game state from the current slot\n"
1446      "for this game.\n"
1447      "Press left + right to change the current slot.", 6),
1448     numeric_selection_action_hide_option(menu_save_state, menu_change_state,
1449      "Save savestate to current slot", &savestate_slot, 10,
1450      "Select to save the game state to the current slot\n"
1451      "for this game.\n"
1452      "Press left + right to change the current slot.", 7),
1453     numeric_selection_action_hide_option(menu_load_state_file,
1454       menu_change_state,
1455      "Load savestate from file", &savestate_slot, 10,
1456      "Restore gameplay from a savestate file.\n"
1457      "Note: The same file used to save the state must be\n"
1458      "present.\n", 9),
1459     numeric_selection_option(menu_change_state,
1460      "Current savestate slot", &savestate_slot, 10,
1461      "Change the current savestate slot.\n", 11),
1462     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1463   };
1464
1465   make_menu(savestate, submenu_savestate, NULL);
1466
1467 #ifdef PSP_BUILD
1468
1469   menu_option_type gamepad_config_options[] =
1470   {
1471     gamepad_config_option("D-pad up     ", 0),
1472     gamepad_config_option("D-pad down   ", 1),
1473     gamepad_config_option("D-pad left   ", 2),
1474     gamepad_config_option("D-pad right  ", 3),
1475     gamepad_config_option("Circle       ", 4),
1476     gamepad_config_option("Cross        ", 5),
1477     gamepad_config_option("Square       ", 6),
1478     gamepad_config_option("Triangle     ", 7),
1479     gamepad_config_option("Left Trigger ", 8),
1480     gamepad_config_option("Right Trigger", 9),
1481     gamepad_config_option("Start        ", 10),
1482     gamepad_config_option("Select       ", 11),
1483     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1484   };
1485
1486
1487   menu_option_type analog_config_options[] =
1488   {
1489     analog_config_option("Analog up   ", 0),
1490     analog_config_option("Analog down ", 1),
1491     analog_config_option("Analog left ", 2),
1492     analog_config_option("Analog right", 3),
1493     string_selection_option(NULL, "Enable analog", yes_no_options,
1494      &global_enable_analog, 2,
1495      "Select 'no' to block analog input entirely.", 7),
1496     numeric_selection_option(NULL, "Analog sensitivity",
1497      &analog_sensitivity_level, 10,
1498      "Determine sensitivity/responsiveness of the analog input.\n"
1499      "Lower numbers are less sensitive.", 8),
1500     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1501   };
1502
1503 #endif
1504
1505 #if defined(GP2X_BUILD) || defined(PND_BUILD)
1506
1507   menu_option_type gamepad_config_options[] =
1508   {
1509     gamepad_config_option("D-pad up     ", 0),
1510     gamepad_config_option("D-pad down   ", 1),
1511     gamepad_config_option("D-pad left   ", 2),
1512     gamepad_config_option("D-pad right  ", 3),
1513     gamepad_config_option("A            ", 4),
1514     gamepad_config_option("B            ", 5),
1515     gamepad_config_option("X            ", 6),
1516     gamepad_config_option("Y            ", 7),
1517     gamepad_config_option("Left Trigger ", 8),
1518     gamepad_config_option("Right Trigger", 9),
1519 #ifdef WIZ_BUILD
1520     gamepad_config_option("Menu         ", 10),
1521 #else
1522     gamepad_config_option("Start        ", 10),
1523 #endif
1524     gamepad_config_option("Select       ", 11),
1525 #if !defined(WIZ_BUILD) && !defined(PND_BUILD)
1526     gamepad_config_option("Stick Push   ", 12),
1527 #endif
1528 #ifdef PND_BUILD
1529     gamepad_config_option("1            ", 12),
1530     gamepad_config_option("2            ", 13),
1531     gamepad_config_option("3            ", 14),
1532     gamepad_config_option("4            ", 15),
1533     submenu_option(NULL, "Back", "Return to the main menu.", 16)
1534 #else
1535     submenu_option(NULL, "Back", "Return to the main menu.", 14)
1536 #endif
1537   };
1538
1539
1540   menu_option_type analog_config_options[] =
1541   {
1542     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1543   };
1544
1545 #endif
1546
1547 #ifdef PC_BUILD
1548
1549   menu_option_type gamepad_config_options[] =
1550   {
1551     submenu_option(NULL, "Back", "Return to the main menu.", 13)
1552   };
1553
1554   menu_option_type analog_config_options[] =
1555   {
1556     submenu_option(NULL, "Back", "Return to the main menu.", 11)
1557   };
1558
1559 #endif
1560
1561   make_menu(gamepad_config, submenu_gamepad, NULL);
1562   make_menu(analog_config, submenu_analog, NULL);
1563
1564   menu_option_type main_options[] =
1565   {
1566     submenu_option(&graphics_sound_menu, "Graphics and Sound options",
1567      "Select to set display parameters and frameskip\n"
1568      "behavior, audio on/off, buffer size, and filtering.", 0),
1569     numeric_selection_action_option(menu_load_state, NULL,
1570      "Load state from slot", &savestate_slot, 10,
1571      "Select to load the game state from the current slot\n"
1572      "for this game, if it exists.\n"
1573      "Press left + right to change the current slot.", 2),
1574     numeric_selection_action_option(menu_save_state, NULL,
1575      "Save state to slot", &savestate_slot, 10,
1576      "Select to save the game state to the current slot\n"
1577      "for this game. See the extended menu for more info.\n"
1578      "Press left + right to change the current slot.", 3),
1579     submenu_option(&savestate_menu, "Savestate options",
1580      "Select to enter a menu for loading, saving, and\n"
1581      "viewing the currently active savestate for this game\n"
1582      "(or to load a savestate file from another game)", 4),
1583     submenu_option(&gamepad_config_menu, "Configure gamepad input",
1584      "Select to change the in-game behavior of buttons\n"
1585      "and d-pad.", 6),
1586 #ifndef GP2X_BUILD
1587     submenu_option(&analog_config_menu, "Configure analog input",
1588      "Select to change the in-game behavior of the PSP analog nub.", 7),
1589 #endif
1590     submenu_option(&cheats_misc_menu, "Cheats and Miscellaneous options",
1591      "Select to manage cheats, set backup behavior,\n"
1592      "and set device clock speed.", 9),
1593     action_option(menu_load, NULL, "Load new game",
1594      "Select to load a new game\n"
1595      "(will exit a game if currently playing).", 11),
1596     action_option(menu_restart, NULL, "Restart game",
1597      "Select to reset the GBA with the current game\n"
1598      "loaded.", 12),
1599     action_option(menu_exit, NULL, "Return to game",
1600      "Select to exit this menu and resume gameplay.", 13),
1601     action_option(menu_quit, NULL, "Exit gpSP",
1602      "Select to exit gpSP and return to the menu.", 15)
1603   };
1604
1605   make_menu(main, submenu_main, NULL);
1606
1607   void choose_menu(menu_type *new_menu)
1608   {
1609     if(new_menu == NULL)
1610       new_menu = &main_menu;
1611
1612     clear_screen(COLOR_BG);
1613
1614 #ifndef GP2X_BUILD
1615     blit_to_screen(original_screen, 240, 160, 230, 40);
1616 #endif
1617
1618     current_menu = new_menu;
1619     current_option = new_menu->options;
1620     current_option_num = 0;
1621     if(current_menu->init_function)
1622      current_menu->init_function();
1623   }
1624
1625   void clear_help()
1626   {
1627     for(i = 0; i < 6; i++)
1628     {
1629       print_string_pad(" ", COLOR_BG, COLOR_BG, 8, 210 + (i * 10), 70);
1630     }
1631   }
1632
1633   menu_update_clock();
1634   video_resolution_large();
1635
1636 #ifndef GP2X_BUILD
1637   SDL_LockMutex(sound_mutex);
1638 #endif
1639   SDL_PauseAudio(1);
1640
1641 #ifndef GP2X_BUILD
1642   SDL_UnlockMutex(sound_mutex);
1643 #endif
1644
1645   if(gamepak_filename[0] == 0)
1646   {
1647     first_load = 1;
1648     memset(original_screen, 0x00, 240 * 160 * 2);
1649     print_string_ext("No game loaded yet.", 0xFFFF, 0x0000,
1650      60, 75,original_screen, 240, 0, 0, FONT_HEIGHT);
1651   }
1652
1653   choose_menu(&main_menu);
1654
1655   for(i = 0; i < 10; i++)
1656   {
1657     if(i >= num_cheats)
1658     {
1659       sprintf(cheat_format_str[i], "cheat %d (none loaded)", i);
1660     }
1661     else
1662     {
1663       sprintf(cheat_format_str[i], "cheat %d (%s): %%s", i,
1664        cheats[i].cheat_name);
1665     }
1666   }
1667
1668   current_menu->init_function();
1669
1670   while(repeat)
1671   {
1672     display_option = current_menu->options;
1673
1674     for(i = 0; i < current_menu->num_options; i++, display_option++)
1675     {
1676       if(display_option->option_type & NUMBER_SELECTION_OPTION)
1677       {
1678         sprintf(line_buffer, display_option->display_string,
1679          *(display_option->current_option));
1680       }
1681       else
1682
1683       if(display_option->option_type & STRING_SELECTION_OPTION)
1684       {
1685         sprintf(line_buffer, display_option->display_string,
1686          ((u32 *)display_option->options)[*(display_option->current_option)]);
1687       }
1688       else
1689       {
1690         strcpy(line_buffer, display_option->display_string);
1691       }
1692
1693       if(display_option == current_option)
1694       {
1695         print_string_pad(line_buffer, COLOR_ACTIVE_ITEM, COLOR_BG, 6,
1696          (display_option->line_number * 10) + 40, 36);
1697       }
1698       else
1699       {
1700         print_string_pad(line_buffer, COLOR_INACTIVE_ITEM, COLOR_BG, 6,
1701          (display_option->line_number * 10) + 40, 36);
1702       }
1703     }
1704
1705     print_string(current_option->help_string, COLOR_HELP_TEXT,
1706      COLOR_BG, 8, 210);
1707
1708     flip_screen();
1709
1710     gui_action = get_gui_input();
1711
1712     switch(gui_action)
1713     {
1714       case CURSOR_DOWN:
1715         current_option_num = (current_option_num + 1) %
1716           current_menu->num_options;
1717
1718         current_option = current_menu->options + current_option_num;
1719         clear_help();
1720         break;
1721
1722       case CURSOR_UP:
1723         if(current_option_num)
1724           current_option_num--;
1725         else
1726           current_option_num = current_menu->num_options - 1;
1727
1728         current_option = current_menu->options + current_option_num;
1729         clear_help();
1730         break;
1731
1732       case CURSOR_RIGHT:
1733         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1734          STRING_SELECTION_OPTION))
1735         {
1736           *(current_option->current_option) =
1737            (*current_option->current_option + 1) %
1738            current_option->num_options;
1739
1740           if(current_option->passive_function)
1741             current_option->passive_function();
1742         }
1743         break;
1744
1745       case CURSOR_LEFT:
1746         if(current_option->option_type & (NUMBER_SELECTION_OPTION |
1747          STRING_SELECTION_OPTION))
1748         {
1749           u32 current_option_val = *(current_option->current_option);
1750
1751           if(current_option_val)
1752             current_option_val--;
1753           else
1754             current_option_val = current_option->num_options - 1;
1755
1756           *(current_option->current_option) = current_option_val;
1757
1758           if(current_option->passive_function)
1759             current_option->passive_function();
1760         }
1761         break;
1762
1763       case CURSOR_EXIT:
1764         if(current_menu == &main_menu)
1765           menu_exit();
1766
1767         choose_menu(&main_menu);
1768         break;
1769
1770       case CURSOR_SELECT:
1771         if(current_option->option_type & ACTION_OPTION)
1772           current_option->action_function();
1773
1774         if(current_option->option_type & SUBMENU_OPTION)
1775           choose_menu(current_option->sub_menu);
1776         break;
1777
1778       default:
1779         break;
1780     }
1781   }
1782
1783   set_gba_resolution(screen_scale);
1784   video_resolution_small();
1785   menu_get_clock_speed();
1786   set_clock_speed();
1787
1788   SDL_PauseAudio(0);
1789   num_skipped_frames = 100;
1790
1791   return return_value;
1792 }