menu.c

   1 /*
   2  * menu.c
   3  * Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
   4  *
   5  * Copyright (C) 2001 Chuck Mason <cemason@users.sourceforge.net>
   6  *
   7  * Copyright (C) 2002 Florian Schulze <crow@icculus.org>
   8  *
   9  * Portions of this code are from the MPEG software simulation group
  10  * idct implementation. This code will be replaced with a new
  11  * implementation soon.
  12  *
  13  * This file is part of Jump'n'Bump.
  14  *
  15  * Jump'n'Bump is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * Jump'n'Bump is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  28  */
  29
  30 #include "globals.h"
  31
  32 char *menu_background;
  33
  34 char menu_pal[768];
  35 char menu_cur_pal[768];
  36
  37 char *message[] = {
  38         "Jump 'n Bump "JB_VERSION,
  39         "by Brainchild Design in 1998.",
  40         "Code by Mattias Brynervall.",
  41         "Graphics by Martin Magnusson",
  42         "and Andreas Brynervall.",
  43         "Music by Anders Nilsson.",
  44         "Linux port by Chuck Mason.",
  45         "New SDL port by Florian Schulze.",
  46         "http://www.icculus.org/jumpnbump/",
  47         "Visit our homepage at:",
  48         "http://www.algonet.se/~mattiasb",
  49         "Jump 'n Bump is e-mailware.",
  50         "That means you're supposed to send us an e-mail!",
  51         "Write for example where you're from",
  52         "and what you thought about this game.",
  53         "If you do that, you will greatly encourage us",
  54         "to make more games for you!",
  55         "Send your e-mail to: matbr656@student.liu.se",
  56         "Oh, and by the way, there's a lot of secrets!",
  57         "If you can't find them, you'd better ask us...",
  58         "If you'd like to contact a specific member of BCD,",
  59         "these are their e-mail addresses:",
  60         "Andreas Brynervall: andreasb@acc.umu.se",
  61         "Mattias Brynervall: matbr656@student.liu.se",
  62         "Martin Magnusson: marma102@student.liu.se",
  63         "Anders Nilsson: equel@swipnet.se",
  64         ""
  65 };
  66
  67 #define NUM_MESSAGES (sizeof(message)/sizeof(char *))
  68
  69 int menu(void)
  70 {
  71         int c1;
  72         int esc_pressed;
  73         int end_loop_flag, new_game_flag, fade_flag;
  74         int mod_vol = 0, mod_fade_direction = 0;
  75         int cur_message;
  76         int fade_dir, fade_count, fade_tick;
  77         char fade_pal[48];
  78         int update_count;
  79
  80         if (menu_init() != 0)
  81                 return 1;
  82
  83         mod_vol = 0;
  84         mod_fade_direction = 1;
  85         dj_ready_mod(MOD_MENU);
  86         dj_set_mod_volume((char)mod_vol);
  87         dj_set_sfx_volume(64);
  88         dj_start_mod();
  89         dj_set_nosound(0);
  90
  91         memset(fade_pal, 0, 48);
  92         setpalette(240, 16, fade_pal);
  93
  94         fade_dir = 0;
  95         fade_count = 0;
  96         fade_tick = 0;
  97         cur_message = NUM_MESSAGES - 1;
  98
  99         main_info.page_info[0].num_pobs = 0;
 100         main_info.page_info[1].num_pobs = 0;
 101         main_info.view_page = 0;
 102         main_info.draw_page = 1;
 103
 104         esc_pressed = key_pressed(1);
 105         end_loop_flag = new_game_flag = 0;
 106
 107         update_count = 1;
 108         while (1) {
 109
 110                 dj_mix();
 111
 112                 while (update_count) {
 113
 114                         if (key_pressed(1) == 1 && esc_pressed == 0) {
 115                                 end_loop_flag = 1;
 116                                 new_game_flag = 0;
 117                                 memset(menu_pal, 0, 768);
 118                                 mod_fade_direction = 0;
 119                         } else if (key_pressed(1) == 0)
 120                                 esc_pressed = 0;
 121
 122                         update_player_actions();
 123                         for (c1 = 0; c1 < 4; c1++) {
 124                                 if (end_loop_flag == 1 && new_game_flag == 1) {
 125                                         if ((player[c1].x >> 16) > (165 + c1 * 2)) {
 126                                                 if (player[c1].x_add < 0)
 127                                                         player[c1].x_add += 16384;
 128                                                 else
 129                                                         player[c1].x_add += 12288;
 130                                                 if (player[c1].x_add > 98304L)
 131                                                         player[c1].x_add = 98304L;
 132                                                 player[c1].direction = 0;
 133                                                 if (player[c1].anim == 0) {
 134                                                         player[c1].anim = 1;
 135                                                         player[c1].frame = 0;
 136                                                         player[c1].frame_tick = 0;
 137                                                         player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 138                                                 }
 139                                                 player[c1].enabled = 1;
 140                                         }
 141                                         if (!player[c1].action_up) {
 142                                                 if (player[c1].y_add < 0) {
 143                                                         player[c1].y_add += 32768;
 144                                                         if (player[c1].y_add > 0)
 145                                                                 player[c1].y_add = 0;
 146                                                 }
 147                                         }
 148                                         player[c1].y_add += 12288;
 149                                         if (player[c1].y_add > 36864 && player[c1].anim != 3) {
 150                                                 player[c1].anim = 3;
 151                                                 player[c1].frame = 0;
 152                                                 player[c1].frame_tick = 0;
 153                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 154                                         }
 155                                         player[c1].y += player[c1].y_add;
 156                                         if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 157                                                 if ((player[c1].y >> 16) > (160 + c1 * 2)) {
 158                                                         player[c1].y = (160L + c1 * 2) << 16;
 159                                                         player[c1].y_add = 0;
 160                                                         if (player[c1].anim != 0 && player[c1].anim != 1) {
 161                                                                 player[c1].anim = 0;
 162                                                                 player[c1].frame = 0;
 163                                                                 player[c1].frame_tick = 0;
 164                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 165                                                         }
 166                                                 }
 167                                         } else {
 168                                                 if ((player[c1].y >> 16) > (138 + c1 * 2)) {
 169                                                         player[c1].y = (138L + c1 * 2) << 16;
 170                                                         player[c1].y_add = 0;
 171                                                         if (player[c1].anim != 0 && player[c1].anim != 1) {
 172                                                                 player[c1].anim = 0;
 173                                                                 player[c1].frame = 0;
 174                                                                 player[c1].frame_tick = 0;
 175                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 176                                                         }
 177                                                         if (!player[c1].action_up)
 178                                                                 player[c1].jump_ready = 1;
 179                                                 }
 180                                         }
 181                                         player[c1].x += player[c1].x_add;
 182                                         if ((player[c1].y >> 16) > (138 + c1 * 2)) {
 183                                                 if ((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (190 + c1 * 2)) {
 184                                                         player[c1].x = (165L + c1 * 2) << 16;
 185                                                         player[c1].x_add = 0;
 186                                                 }
 187                                                 if ((player[c1].x >> 16) > (190 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) {
 188                                                         player[c1].x = (208L + c1 * 2) << 16;
 189                                                         player[c1].x_add = 0;
 190                                                 }
 191                                         }
 192                                 } else {
 193                                         if (player[c1].action_left && player[c1].action_right) {
 194                                                 if (player[c1].direction == 1) {
 195                                                         if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 196                                                                 if (player[c1].x_add > 0) {
 197                                                                         player[c1].x_add -= 16384;
 198                                                                         if ((player[c1].y >> 16) >= (160 + c1 * 2))
 199                                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 200                                                                 } else
 201                                                                         player[c1].x_add -= 12288;
 202                                                         }
 203                                                         if ((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) {
 204                                                                 if (player[c1].x_add > 0) {
 205                                                                         player[c1].x_add -= 16384;
 206                                                                         if ((player[c1].y >> 16) >= (138 + c1 * 2))
 207                                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 208                                                                 } else
 209                                                                         player[c1].x_add -= 12288;
 210                                                         }
 211                                                         if (player[c1].x_add < -98304L)
 212                                                                 player[c1].x_add = -98304L;
 213                                                         player[c1].direction = 1;
 214                                                         if (player[c1].anim == 0) {
 215                                                                 player[c1].anim = 1;
 216                                                                 player[c1].frame = 0;
 217                                                                 player[c1].frame_tick = 0;
 218                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 219                                                         }
 220                                                 } else {
 221                                                         if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 222                                                                 if (player[c1].x_add < 0) {
 223                                                                         player[c1].x_add += 16384;
 224                                                                         if ((player[c1].y >> 16) >= (160 + c1 * 2))
 225                                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 226                                                                 } else
 227                                                                         player[c1].x_add += 12288;
 228                                                         }
 229                                                         if ((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) {
 230                                                                 if (player[c1].x_add < 0) {
 231                                                                         player[c1].x_add += 16384;
 232                                                                         if ((player[c1].y >> 16) >= (138 + c1 * 2))
 233                                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 234                                                                 } else
 235                                                                         player[c1].x_add += 12288;
 236                                                         }
 237                                                         if (player[c1].x_add > 98304L)
 238                                                                 player[c1].x_add = 98304L;
 239                                                         player[c1].direction = 0;
 240                                                         if (player[c1].anim == 0) {
 241                                                                 player[c1].anim = 1;
 242                                                                 player[c1].frame = 0;
 243                                                                 player[c1].frame_tick = 0;
 244                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 245                                                         }
 246                                                 }
 247                                         } else if (player[c1].action_left) {
 248                                                 if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 249                                                         if (player[c1].x_add > 0) {
 250                                                                 player[c1].x_add -= 16384;
 251                                                                 if ((player[c1].y >> 16) >= (160 + c1 * 2))
 252                                                                         add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 253                                                         } else
 254                                                                 player[c1].x_add -= 12288;
 255                                                 }
 256                                                 if ((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) {
 257                                                         if (player[c1].x_add > 0) {
 258                                                                 player[c1].x_add -= 16384;
 259                                                                 if ((player[c1].y >> 16) >= (138 + c1 * 2))
 260                                                                         add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 261                                                         } else
 262                                                                 player[c1].x_add -= 12288;
 263                                                 }
 264                                                 if (player[c1].x_add < -98304L)
 265                                                         player[c1].x_add = -98304L;
 266                                                 player[c1].direction = 1;
 267                                                 if (player[c1].anim == 0) {
 268                                                         player[c1].anim = 1;
 269                                                         player[c1].frame = 0;
 270                                                         player[c1].frame_tick = 0;
 271                                                         player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 272                                                 }
 273                                         } else if (player[c1].action_right) {
 274                                                 if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 275                                                         if (player[c1].x_add < 0) {
 276                                                                 player[c1].x_add += 16384;
 277                                                                 if ((player[c1].y >> 16) >= (160 + c1 * 2))
 278                                                                         add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 279                                                         } else
 280                                                                 player[c1].x_add += 12288;
 281                                                 }
 282                                                 if ((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) {
 283                                                         if (player[c1].x_add < 0) {
 284                                                                 player[c1].x_add += 16384;
 285                                                                 if ((player[c1].y >> 16) >= (138 + c1 * 2))
 286                                                                         add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 287                                                         } else
 288                                                                 player[c1].x_add += 12288;
 289                                                 }
 290                                                 if (player[c1].x_add > 98304L)
 291                                                         player[c1].x_add = 98304L;
 292                                                 player[c1].direction = 0;
 293                                                 if (player[c1].anim == 0) {
 294                                                         player[c1].anim = 1;
 295                                                         player[c1].frame = 0;
 296                                                         player[c1].frame_tick = 0;
 297                                                         player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 298                                                 }
 299                                         } else {
 300                                                 if (((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) && (player[c1].y >> 16) >= (160 + c1 * 2)) {
 301                                                         if (player[c1].x_add < 0) {
 302                                                                 player[c1].x_add += 16384;
 303                                                                 if (player[c1].x_add > 0)
 304                                                                         player[c1].x_add = 0;
 305                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 306                                                         } else if (player[c1].x_add > 0) {
 307                                                                 player[c1].x_add -= 16384;
 308                                                                 if (player[c1].x_add < 0)
 309                                                                         player[c1].x_add = 0;
 310                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 311                                                         }
 312                                                 }
 313                                                 if ((((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) && (player[c1].y >> 16) >= (138 + c1 * 2))) {
 314                                                         if (player[c1].x_add < 0) {
 315                                                                 player[c1].x_add += 16384;
 316                                                                 if (player[c1].x_add > 0)
 317                                                                         player[c1].x_add = 0;
 318                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 319                                                         } else if (player[c1].x_add > 0) {
 320                                                                 player[c1].x_add -= 16384;
 321                                                                 if (player[c1].x_add < 0)
 322                                                                         player[c1].x_add = 0;
 323                                                                 add_object(OBJ_SMOKE, (player[c1].x >> 16) + 2 + rnd(9), (player[c1].y >> 16) + 13 + rnd(5), 0, -16384 - rnd(8192), OBJ_ANIM_SMOKE, 0);
 324                                                         }
 325                                                 }
 326                                                 if (player[c1].anim == 1) {
 327                                                         player[c1].anim = 0;
 328                                                         player[c1].frame = 0;
 329                                                         player[c1].frame_tick = 0;
 330                                                         player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 331                                                 }
 332                                         }
 333                                         if ((player[c1].jump_ready == 1) && player[c1].action_up) {
 334                                                 if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 335                                                         if ((player[c1].y >> 16) >= (160 + c1 * 2)) {
 336                                                                 player[c1].y_add = -280000L;
 337                                                                 player[c1].anim = 2;
 338                                                                 player[c1].frame = 0;
 339                                                                 player[c1].frame_tick = 0;
 340                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 341                                                                 player[c1].jump_ready = 0;
 342                                                                 dj_play_sfx(SFX_JUMP, (unsigned short)(SFX_JUMP_FREQ + rnd(2000) - 1000), 64, 0, 0, -1);
 343                                                         }
 344                                                 } else {
 345                                                         if ((player[c1].y >> 16) >= (138 + c1 * 2)) {
 346                                                                 player[c1].y_add = -280000L;
 347                                                                 player[c1].anim = 2;
 348                                                                 player[c1].frame = 0;
 349                                                                 player[c1].frame_tick = 0;
 350                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 351                                                                 player[c1].jump_ready = 0;
 352                                                                 dj_play_sfx(SFX_JUMP, (unsigned short)(SFX_JUMP_FREQ + rnd(2000) - 1000), 64, 0, 0, -1);
 353                                                         }
 354                                                 }
 355                                         }
 356                                         if (!player[c1].action_up) {
 357                                                 if (player[c1].y_add < 0) {
 358                                                         player[c1].y_add += 32768;
 359                                                         if (player[c1].y_add > 0)
 360                                                                 player[c1].y_add = 0;
 361                                                 }
 362                                         }
 363                                         if (!player[c1].action_up)
 364                                                 player[c1].jump_ready = 1;
 365                                         player[c1].y_add += 12288;
 366                                         if (player[c1].y_add > 36864 && player[c1].anim != 3) {
 367                                                 player[c1].anim = 3;
 368                                                 player[c1].frame = 0;
 369                                                 player[c1].frame_tick = 0;
 370                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 371                                         }
 372                                         player[c1].y += player[c1].y_add;
 373                                         if ((player[c1].x >> 16) <= (165 + c1 * 2) || (player[c1].x >> 16) >= (208 + c1 * 2)) {
 374                                                 if ((player[c1].y >> 16) > (160 + c1 * 2)) {
 375                                                         player[c1].y = (160L + c1 * 2) << 16;
 376                                                         player[c1].y_add = 0;
 377                                                         if (player[c1].anim != 0 && player[c1].anim != 1) {
 378                                                                 player[c1].anim = 0;
 379                                                                 player[c1].frame = 0;
 380                                                                 player[c1].frame_tick = 0;
 381                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 382                                                         }
 383                                                 }
 384                                         } else {
 385                                                 if ((player[c1].y >> 16) > (138 + c1 * 2)) {
 386                                                         player[c1].y = (138L + c1 * 2) << 16;
 387                                                         player[c1].y_add = 0;
 388                                                         if (player[c1].anim != 0 && player[c1].anim != 1) {
 389                                                                 player[c1].anim = 0;
 390                                                                 player[c1].frame = 0;
 391                                                                 player[c1].frame_tick = 0;
 392                                                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 393                                                         }
 394                                                 }
 395                                         }
 396                                         player[c1].x += player[c1].x_add;
 397                                         if ((player[c1].x >> 16) < 0) {
 398                                                 player[c1].x = 0;
 399                                                 player[c1].x_add = 0;
 400                                         }
 401                                         if ((player[c1].x >> 16) > 400) {
 402                                                 end_loop_flag = 1;
 403                                                 new_game_flag = 1;
 404                                                 memset(menu_pal, 0, 768);
 405                                                 mod_fade_direction = 0;
 406                                         }
 407                                         if ((player[c1].y >> 16) > (138 + c1 * 2)) {
 408                                                 if ((player[c1].x >> 16) > (165 + c1 * 2) && (player[c1].x >> 16) < (190 + c1 * 2)) {
 409                                                         player[c1].x = (165L + c1 * 2) << 16;
 410                                                         player[c1].x_add = 0;
 411                                                 }
 412                                                 if ((player[c1].x >> 16) > (190 + c1 * 2) && (player[c1].x >> 16) < (208 + c1 * 2)) {
 413                                                         player[c1].x = (208L + c1 * 2) << 16;
 414                                                         player[c1].x_add = 0;
 415                                                 }
 416                                         }
 417                                 }
 418                                 player[c1].frame_tick++;
 419                                 if (player[c1].frame_tick >= player_anims[player[c1].anim].frame[player[c1].frame].ticks) {
 420                                         player[c1].frame++;
 421                                         if (player[c1].frame >= player_anims[player[c1].anim].num_frames)
 422                                                 player[c1].frame = player_anims[player[c1].anim].restart_frame;
 423                                         player[c1].frame_tick = 0;
 424                                 }
 425                                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image + player[c1].direction * 9;
 426                         }
 427
 428                         dj_mix();
 429
 430                         main_info.page_info[main_info.draw_page].num_pobs = 0;
 431
 432                         for (c1 = 3; c1 >= 0; c1--)
 433                                 add_pob(main_info.draw_page, player[c1].x >> 16, player[c1].y >> 16, player[c1].image + c1 * 18, &rabbit_gobs);
 434
 435                         update_objects();
 436
 437                         if (update_count == 1) {
 438                                 draw_begin();
 439                                 draw_pobs(main_info.draw_page);
 440                                 draw_end();
 441
 442                                 dj_mix();
 443
 444                                 if (mod_fade_direction == 1) {
 445                                         if (mod_vol < 35) {
 446                                                 mod_vol++;
 447                                                 dj_set_mod_volume((char)mod_vol);
 448                                         }
 449                                 } else {
 450                                         if (mod_vol > 0) {
 451                                                 mod_vol--;
 452                                                 dj_set_mod_volume((char)mod_vol);
 453                                         }
 454                                 }
 455                         }
 456
 457                         fade_flag = 0;
 458                         for (c1 = 0; c1 < 720; c1++) {
 459                                 if (menu_cur_pal[c1] < menu_pal[c1]) {
 460                                         menu_cur_pal[c1]++;
 461                                         fade_flag = 1;
 462                                 } else if (menu_cur_pal[c1] > menu_pal[c1]) {
 463                                         menu_cur_pal[c1]--;
 464                                         fade_flag = 2;
 465                                 }
 466                         }
 467                         if (fade_flag == 0 && end_loop_flag == 1) {
 468                                 menu_deinit();
 469                                 if (new_game_flag == 1)
 470                                         return 0;
 471                                 else
 472                                         return 1;
 473                         }
 474                         switch (fade_dir) {
 475                         case 0:
 476                                 if (fade_count < 30) {
 477                                         for (c1 = 0; c1 < 48; c1++) {
 478                                                 if (fade_pal[c1] > 0)
 479                                                         fade_pal[c1]--;
 480                                         }
 481                                         fade_count++;
 482                                 } else {
 483                                         draw_begin();
 484                                         clear_lines(0, 220, 20, 0);
 485                                         clear_lines(1, 220, 20, 0);
 486
 487                                         cur_message++;
 488                                         if (cur_message >= NUM_MESSAGES)
 489                                                 cur_message -= NUM_MESSAGES;
 490                                         put_text(0, 200, 220, message[cur_message], 2);
 491                                         put_text(1, 200, 220, message[cur_message], 2);
 492                                         fade_dir = 1;
 493                                         fade_count = 0;
 494                                         fade_tick = 0;
 495                                         draw_end();
 496                                 }
 497                                 break;
 498                         case 1:
 499                                 if (fade_count < 100) {
 500                                         for (c1 = 0; c1 < 48; c1++) {
 501                                                 if (fade_pal[c1] < menu_pal[c1 + 720])
 502                                                         fade_pal[c1]++;
 503                                         }
 504                                         fade_count++;
 505                                 } else {
 506                                         fade_dir = 0;
 507                                         fade_count = 0;
 508                                         fade_tick = 0;
 509                                 }
 510                                 break;
 511                         }
 512
 513                         for (c1 = 0; c1 < 48; c1++) {
 514                                 if (fade_pal[c1] > menu_pal[c1 + 720])
 515                                         fade_pal[c1]--;
 516                         }
 517
 518                         if (update_count == 1) {
 519                                 main_info.draw_page ^= 1;
 520                                 main_info.view_page ^= 1;
 521
 522                                 flippage(main_info.view_page);
 523
 524                                 wait_vrt(1);
 525                         }
 526
 527                         if (fade_flag != 0) {
 528                                 setpalette(0, 240, menu_cur_pal);
 529                         }
 530
 531                         if (update_count == 1) {
 532                                 setpalette(240, 16, fade_pal);
 533
 534                                 dj_mix();
 535
 536                                 draw_begin();
 537                                 redraw_pob_backgrounds(main_info.draw_page);
 538                                 draw_end();
 539                         }
 540
 541                         update_count--;
 542                 }
 543
 544                 update_count = intr_sysupdate();
 545
 546         }
 547
 548         menu_deinit();
 549         return 0;
 550
 551 }
 552
 553
 554 int menu_init(void)
 555 {
 556         FILE *handle;
 557         int c1;
 558
 559         fillpalette(0, 0, 0);
 560
 561         if ((handle = dat_open("menu.pcx", datfile_name, "rb")) == 0) {
 562                 strcpy(main_info.error_str, "Error loading 'menu.pcx', aborting...\n");
 563                 return 1;
 564         }
 565         if (read_pcx(handle, background_pic, 102400, menu_pal) != 0) {
 566                 strcpy(main_info.error_str, "Error loading 'menu.pcx', aborting...\n");
 567                 return 1;
 568         }
 569         fclose(handle);
 570         if ((handle = dat_open("menumask.pcx", datfile_name, "rb")) == 0) {
 571                 strcpy(main_info.error_str, "Error loading 'menumask.pcx', aborting...\n");
 572                 return 1;
 573         }
 574         if (read_pcx(handle, mask_pic, 102400, 0) != 0) {
 575                 strcpy(main_info.error_str, "Error loading 'menumask.pcx', aborting...\n");
 576                 return 1;
 577         }
 578         fclose(handle);
 579         memset(menu_cur_pal, 0, 768);
 580
 581         recalculate_gob(&rabbit_gobs, menu_pal);
 582         recalculate_gob(&font_gobs, menu_pal);
 583         recalculate_gob(&object_gobs, menu_pal);
 584         register_background(background_pic, menu_pal);
 585         register_mask(mask_pic);
 586
 587         for (c1 = 0; c1 < 4; c1++) {
 588                 player[c1].enabled = 0;
 589                 player[c1].x = (long) rnd(150) << 16;
 590                 player[c1].y = (160L + c1 * 2) << 16;
 591                 player[c1].x_add = 0;
 592                 player[c1].y_add = 0;
 593                 player[c1].direction = rnd(2);
 594                 player[c1].jump_ready = 1;
 595                 player[c1].anim = 0;
 596                 player[c1].frame = 0;
 597                 player[c1].frame_tick = 0;
 598                 player[c1].image = player_anims[player[c1].anim].frame[player[c1].frame].image;
 599         }
 600
 601         for (c1 = 0; c1 < NUM_OBJECTS; c1++)
 602                 objects[c1].used = 0;
 603
 604         main_info.page_info[0].num_pobs = 0;
 605         main_info.page_info[1].num_pobs = 0;
 606
 607         return 0;
 608
 609 }
 610
 611
 612 void menu_deinit(void)
 613 {
 614         dj_set_nosound(1);
 615 }