src/badguy.c

   1 //
   2 // C Implementation: badguy
   3 //
   4 // Description:
   5 //
   6 //
   7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
   8 //
   9 // Copyright: See COPYING file that comes with this distribution
  10 //
  11 //
  12
  13 #include "globals.h"
  14 #include "defines.h"
  15 #include "badguy.h"
  16 #include "scene.h"
  17 #include "screen.h"
  18
  19 void badguy_create_bitmasks()
  20 {
  21   /*bm_bsod = img_bsod_left[0];*/
  22 }
  23
  24 void badguy_init(bad_guy_type* pbad, float x, float y, int kind)
  25 {
  26   pbad->base.updated = SDL_GetTicks();
  27   pbad->base.width = 32;
  28   pbad->base.height = 32;
  29   pbad->base.alive = YES;
  30   pbad->mode = NORMAL;
  31   pbad->dying = NO;
  32   pbad->kind = kind;
  33   pbad->base.x = x;
  34   pbad->base.y = y;
  35   pbad->base.xm = 1.3;
  36   pbad->base.ym = 1.5;
  37   pbad->dir = LEFT;
  38   pbad->seen = NO;
  39   timer_init(&pbad->timer);
  40 }
  41
  42 void badguy_action(bad_guy_type* pbad)
  43 {
  44
  45   double frame_ratio = get_frame_ratio(&pbad->base);
  46
  47   if (pbad->base.alive)
  48     {
  49       if (pbad->seen)
  50         {
  51           if (pbad->kind == BAD_BSOD)
  52             {
  53               /* --- BLUE SCREEN OF DEATH MONSTER: --- */
  54
  55               /* Move left/right: */
  56
  57               if (pbad->dying == NO ||
  58                   pbad->dying == FALLING)
  59                 {
  60                   if (pbad->dir == RIGHT)
  61                     pbad->base.x = pbad->base.x + pbad->base.xm * frame_ratio;
  62                   else if (pbad->dir == LEFT)
  63                     pbad->base.x = pbad->base.x - pbad->base.xm * frame_ratio;
  64                 }
  65
  66
  67               /* Move vertically: */
  68
  69               pbad->base.y = pbad->base.y + pbad->base.ym * frame_ratio;
  70
  71
  72               /* Bump into things horizontally: */
  73
  74               if (!pbad->dying)
  75                 {
  76                   if (issolid(pbad->base.x, pbad->base.y))
  77                     pbad->dir = !pbad->dir;
  78                 }
  79
  80               /* Fall if we get off the ground: */
  81
  82               if (pbad->dying != FALLING)
  83                 {
  84                   if (!issolid(pbad->base.x, pbad->base.y + 32) &&
  85                       pbad->base.ym < MAX_YM)
  86                     {
  87                       pbad->base.ym = pbad->base.ym + GRAVITY;
  88                     }
  89                   else
  90                     {
  91                       /* Land: */
  92
  93                       if (pbad->base.ym > 0)
  94                         {
  95                           pbad->base.y = (int)(pbad->base.y / 32) * 32;
  96                           pbad->base.ym = 0;
  97                         }
  98                     }
  99                 }
 100               else
 101                 pbad->base.ym = pbad->base.ym + GRAVITY;
 102
 103               if (pbad->base.y > screen->h)
 104                 pbad->base.alive = NO;
 105             }
 106           else if (pbad->kind == BAD_LAPTOP)
 107             {
 108               /* --- LAPTOP MONSTER: --- */
 109
 110               /* Move left/right: */
 111
 112               if (pbad->mode != KICK && pbad->mode != HELD)
 113                 {
 114                   if (pbad->dying == NO ||
 115                       pbad->dying == FALLING)
 116                     {
 117                       if (pbad->dir == RIGHT)
 118                         pbad->base.x = pbad->base.x + pbad->base.xm * frame_ratio;
 119                       else if (pbad->dir == LEFT)
 120                         pbad->base.x = pbad->base.x - pbad->base.xm * frame_ratio;
 121                     }
 122                 }
 123               else if (pbad->mode == KICK)
 124                 {
 125                   /* Obsolete
 126                                   if (pbad->dir == RIGHT)
 127                                     pbad->base.x = pbad->base.x + 16;
 128                                   else if (pbad->dir == LEFT)
 129                                     pbad->base.x = pbad->base.x - 16;*/
 130                 }
 131               else if (pbad->mode == HELD)
 132                 { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 133                   /* If we're holding the laptop */
 134                   if(tux.dir==RIGHT)
 135                     {
 136                       pbad->base.x = tux.base.x - 16;
 137                       pbad->base.y = tux.base.y - 8 - (tux.size*16);
 138                     }
 139                   else /* facing left */
 140                     {
 141                       pbad->base.x = tux.base.x - 16;
 142                       pbad->base.y = tux.base.y - 8 - (tux.size*16);
 143                     }
 144
 145                   if(tux.input.fire != DOWN) /* SHOOT! */
 146                     {
 147                       pbad->dir=tux.dir;
 148                       pbad->mode=KICK;
 149                       pbad->base.ym-=8;
 150                       play_sound(sounds[SND_KICK],SOUND_CENTER_SPEAKER);
 151                     }
 152                 }
 153
 154
 155               /* Move vertically: */
 156
 157               if(pbad->mode != HELD)
 158                 pbad->base.y = pbad->base.y + pbad->base.ym * frame_ratio;
 159
 160               /* Bump into things horizontally: */
 161
 162               if (!pbad->dying)
 163                 {
 164                   if (issolid(pbad->base.x, pbad->base.y))
 165                     {
 166                       pbad->dir = !pbad->dir;
 167
 168                       if (pbad->mode == KICK)
 169                         {
 170                           /* handle stereo sound */
 171                           /* FIXME: In theory a badguy object doesn't know anything about player objects */
 172                           if (tux.base.x  > pbad->base.x)
 173                             play_sound(sounds[SND_RICOCHET], SOUND_LEFT_SPEAKER);
 174                           else if (tux.base.x  < pbad->base.x)
 175                             play_sound(sounds[SND_RICOCHET], SOUND_RIGHT_SPEAKER);
 176                           else
 177                             play_sound(sounds[SND_RICOCHET], SOUND_CENTER_SPEAKER);
 178                         }
 179                     }
 180                 }
 181
 182
 183               /* Fall if we get off the ground: */
 184
 185               if (pbad->dying != FALLING)
 186                 {
 187                   if (!issolid(pbad->base.x, pbad->base.y + 32) &&
 188                       pbad->base.ym < MAX_YM)
 189                     {
 190                       if(pbad->mode != HELD)
 191                         pbad->base.ym = pbad->base.ym + GRAVITY;
 192                     }
 193                   else
 194                     {
 195                       /* Land: */
 196
 197                       if (pbad->base.ym > 0)
 198                         {
 199                           pbad->base.y = (int)(pbad->base.y / 32) * 32;
 200                           pbad->base.ym = 0;
 201                         }
 202                     }
 203                 }
 204               else
 205                 pbad->base.ym = pbad->base.ym + GRAVITY;
 206
 207               if (pbad->base.y > screen->h)
 208                 pbad->base.alive = NO;
 209             }
 210           else if (pbad->kind == BAD_MONEY)
 211             {
 212               /* --- MONEY BAGS: --- */
 213
 214
 215               /* Move vertically: */
 216
 217               pbad->base.y = pbad->base.y + pbad->base.ym *frame_ratio;
 218
 219
 220               /* Fall if we get off the ground: */
 221
 222               if (pbad->dying != FALLING)
 223                 {
 224                   if (!issolid(pbad->base.x, pbad->base.y + 32))
 225                     {
 226                       if (pbad->base.ym < MAX_YM)
 227                         {
 228                           pbad->base.ym = pbad->base.ym + GRAVITY;
 229                         }
 230                     }
 231                   else
 232                     {
 233                       /* Land: */
 234
 235                       if (pbad->base.ym > 0)
 236                         {
 237                           pbad->base.y = (int)(pbad->base.y / 32) * 32;
 238                           pbad->base.ym = -MAX_YM;
 239                         }
 240                     }
 241                 }
 242               else
 243                 pbad->base.ym = pbad->base.ym + GRAVITY;
 244
 245               if (pbad->base.y > screen->h)
 246                 pbad->base.alive = NO;
 247             }
 248           else if (pbad->kind == -1)
 249           {}
 250
 251         }
 252       else if (pbad->kind == -1)
 253       {}
 254
 255
 256     }
 257
 258   /* Handle mode timer: */
 259
 260   if (pbad->mode == FLAT /* && bad_guys[1].mode != HELD*/)
 261     {
 262       if(!timer_check(&pbad->timer))
 263         pbad->mode = NORMAL;
 264     }
 265   /* else if (pbad->mode == KICK)
 266      {
 267        if (pbad->timer > 0)
 268          pbad->timer--;
 269      }*/
 270
 271
 272   /* Handle dying timer: */
 273
 274   if (pbad->dying == SQUISHED)
 275     {
 276       /* Remove it if time's up: */
 277       if(!timer_check(&pbad->timer))
 278         pbad->base.alive = NO;
 279     }
 280
 281
 282   /* Remove if it's far off the screen: */
 283
 284   if (pbad->base.x < scroll_x - OFFSCREEN_DISTANCE)
 285     pbad->base.alive = NO;
 286   else /* !seen */
 287     {
 288       /* Once it's on screen, it's activated! */
 289
 290       if (pbad->base.x <= scroll_x + screen->w + OFFSCREEN_DISTANCE)
 291         pbad->seen = YES;
 292     }
 293   /*}*/
 294 }
 295
 296 void badguy_draw(bad_guy_type* pbad)
 297 {
 298   if (pbad->base.alive &&
 299       pbad->base.x > scroll_x - 32 &&
 300       pbad->base.x < scroll_x + screen->w)
 301     {
 302       if (pbad->kind == BAD_BSOD)
 303         {
 304           /* --- BLUE SCREEN OF DEATH MONSTER: --- */
 305
 306           if (pbad->dying == NO)
 307             {
 308               /* Alive: */
 309
 310               if (pbad->dir == LEFT)
 311                 {
 312                   texture_draw(&img_bsod_left[(frame / 5) % 4],
 313                                pbad->base.x - scroll_x,
 314                                pbad->base.y,
 315                                NO_UPDATE);
 316                 }
 317               else
 318                 {
 319                   texture_draw(&img_bsod_right[(frame / 5) % 4],
 320                                pbad->base.x - scroll_x,
 321                                pbad->base.y,
 322                                NO_UPDATE);
 323                 }
 324             }
 325           else if (pbad->dying == FALLING)
 326             {
 327               /* Falling: */
 328
 329               if (pbad->dir == LEFT)
 330                 {
 331                   texture_draw(&img_bsod_falling_left,
 332                                pbad->base.x - scroll_x,
 333                                pbad->base.y,
 334                                NO_UPDATE);
 335                 }
 336               else
 337                 {
 338                   texture_draw(&img_bsod_falling_right,
 339                                pbad->base.x - scroll_x,
 340                                pbad->base.y,
 341                                NO_UPDATE);
 342                 }
 343             }
 344           else if (pbad->dying == SQUISHED)
 345             {
 346               /* Dying - Squished: */
 347
 348               if (pbad->dir == LEFT)
 349                 {
 350                   texture_draw(&img_bsod_squished_left,
 351                                pbad->base.x - scroll_x,
 352                                pbad->base.y + 24,
 353                                NO_UPDATE);
 354                 }
 355               else
 356                 {
 357                   texture_draw(&img_bsod_squished_right,
 358                                pbad->base.x - scroll_x,
 359                                pbad->base.y + 24,
 360                                NO_UPDATE);
 361                 }
 362             }
 363         }
 364       else if (pbad->kind == BAD_LAPTOP)
 365         {
 366           /* --- LAPTOP MONSTER: --- */
 367
 368           if (pbad->dying == NO)
 369             {
 370               /* Alive: */
 371
 372               if (pbad->mode == NORMAL)
 373                 {
 374                   /* Not flat: */
 375
 376                   if (pbad->dir == LEFT)
 377                     {
 378                       texture_draw(&img_laptop_left[(frame / 5) % 3],
 379                                    pbad->base.x - scroll_x,
 380                                    pbad->base.y,
 381                                    NO_UPDATE);
 382                     }
 383                   else
 384                     {
 385                       texture_draw(&img_laptop_right[(frame / 5) % 3],
 386                                    pbad->base.x - scroll_x,
 387                                    pbad->base.y,
 388                                    NO_UPDATE);
 389                     }
 390                 }
 391               else
 392                 {
 393                   /* Flat: */
 394
 395                   if (pbad->dir == LEFT)
 396                     {
 397                       texture_draw(&img_laptop_flat_left,
 398                                    pbad->base.x - scroll_x,
 399                                    pbad->base.y,
 400                                    NO_UPDATE);
 401                     }
 402                   else
 403                     {
 404                       texture_draw(&img_laptop_flat_right,
 405                                    pbad->base.x - scroll_x,
 406                                    pbad->base.y,
 407                                    NO_UPDATE);
 408                     }
 409                 }
 410             }
 411           else if (pbad->dying == FALLING)
 412             {
 413               /* Falling: */
 414
 415               if (pbad->dir == LEFT)
 416                 {
 417                   texture_draw(&img_laptop_falling_left,
 418                                pbad->base.x - scroll_x,
 419                                pbad->base.y,
 420                                NO_UPDATE);
 421                 }
 422               else
 423                 {
 424                   texture_draw(&img_laptop_falling_right,
 425                                pbad->base.x - scroll_x,
 426                                pbad->base.y,
 427                                NO_UPDATE);
 428                 }
 429             }
 430         }
 431       else if (pbad->kind == BAD_MONEY)
 432         {
 433           if (pbad->base.ym > -16)
 434             {
 435               if (pbad->dir == LEFT)
 436                 {
 437                   texture_draw(&img_money_left[0],
 438                                pbad->base.x - scroll_x,
 439                                pbad->base.y,
 440                                NO_UPDATE);
 441                 }
 442               else
 443                 {
 444                   texture_draw(&img_money_right[0],
 445                                pbad->base.x - scroll_x,
 446                                pbad->base.y,
 447                                NO_UPDATE);
 448                 }
 449             }
 450           else
 451             {
 452               if (pbad->dir == LEFT)
 453                 {
 454                   texture_draw(&img_money_left[1],
 455                                pbad->base.x - scroll_x,
 456                                pbad->base.y,
 457                                NO_UPDATE);
 458                 }
 459               else
 460                 {
 461                   texture_draw(&img_money_right[1],
 462                                pbad->base.x - scroll_x,
 463                                pbad->base.y,
 464                                NO_UPDATE);
 465                 }
 466             }
 467         }
 468       else if (pbad->kind == -1)
 469       {}
 470     }
 471 }
 472
 473 void badguy_collision(bad_guy_type* pbad, void *p_c_object, int c_object)
 474 {
 475   bad_guy_type* pbad_c = NULL;
 476   player_type* pplayer_c = NULL;
 477
 478   switch (c_object)
 479     {
 480     case CO_BULLET:
 481       pbad->dying = FALLING;
 482       pbad->base.ym = -8;
 483
 484       /* Gain some points: */
 485
 486       if (pbad->kind == BAD_BSOD)
 487         add_score(pbad->base.x - scroll_x, pbad->base.y,
 488                   50 * score_multiplier);
 489       else if (pbad->kind == BAD_LAPTOP)
 490         add_score(pbad->base.x - scroll_x, pbad->base.y,
 491                   25 * score_multiplier);
 492
 493       /* Play death sound: */
 494       play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 495       break;
 496     case CO_BADGUY:
 497       pbad_c = p_c_object;
 498       if (pbad->mode != KICK)
 499         pbad->dir = !pbad->dir;
 500       else
 501         {
 502           /* We're in kick mode, kill the other guy: */
 503
 504           pbad_c->dying = FALLING;
 505           pbad_c->base.ym = -8;
 506           play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 507
 508           add_score(pbad->base.x - scroll_x,
 509                     pbad->base.y, 100);
 510         }
 511       pbad->dir = !pbad->dir;
 512       break;
 513     case CO_PLAYER:
 514       pplayer_c = p_c_object;
 515       if (pbad->kind == BAD_BSOD)
 516         {
 517           pbad->dying = SQUISHED;
 518           timer_start(&pbad->timer,4000);
 519           pplayer_c->base.ym = -KILL_BOUNCE_YM;
 520
 521           add_score(pbad->base.x - scroll_x, pbad->base.y,
 522                     50 * score_multiplier);
 523
 524           play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 525         }
 526       else if (pbad->kind == BAD_LAPTOP)
 527         {
 528           if (pbad->mode != FLAT)
 529             {
 530               /* Flatten! */
 531
 532               play_sound(sounds[SND_STOMP], SOUND_CENTER_SPEAKER);
 533               pbad->mode = FLAT;
 534               pbad->base.xm = 4;
 535
 536               timer_start(&pbad->timer,10000);
 537
 538               pplayer_c->base.y = pplayer_c->base.y - 32;
 539             }
 540           else
 541             {
 542               /* Kick! */
 543
 544               pbad->mode = KICK;
 545               play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
 546
 547               if (pplayer_c->base.x <= pbad->base.x)
 548                 pbad->dir = RIGHT;
 549               else
 550                 pbad->dir = LEFT;
 551
 552               timer_start(&pbad->timer,5000);
 553             }
 554
 555           pplayer_c->base.ym = -KILL_BOUNCE_YM;
 556
 557           add_score(pbad->base.x - scroll_x,
 558                     pbad->base.y,
 559                     25 * score_multiplier);
 560
 561           /* play_sound(sounds[SND_SQUISH]); */
 562         }
 563       break;
 564     }
 565
 566 }