src/badguy.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux
   4 //  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
   5 //  Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
   6 //  Copyright (C) 2004 Matthias Braun <matze@braunis.de>
   7 //
   8 //  This program is free software; you can redistribute it and/or
   9 //  modify it under the terms of the GNU General Public License
  10 //  as published by the Free Software Foundation; either version 2
  11 //  of the License, or (at your option) any later version.
  12 //
  13 //  This program is distributed in the hope that it will be useful,
  14 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 //  GNU General Public License for more details.
  17 //
  18 //  You should have received a copy of the GNU General Public License
  19 //  along with this program; if not, write to the Free Software
  20 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21 //  02111-1307, USA.
  22
  23 #include <iostream>
  24 #include <math.h>
  25
  26 #include "globals.h"
  27 #include "defines.h"
  28 #include "badguy.h"
  29 #include "scene.h"
  30 #include "screen.h"
  31 #include "world.h"
  32 #include "tile.h"
  33 #include "resources.h"
  34 #include "sprite_manager.h"
  35
  36 Sprite* img_mriceblock_flat_left;
  37 Sprite* img_mriceblock_flat_right;
  38 Sprite* img_mriceblock_falling_left;
  39 Sprite* img_mriceblock_falling_right;
  40 Sprite* img_mriceblock_left;
  41 Sprite* img_mriceblock_right;
  42 Sprite* img_jumpy_left_up;
  43 Sprite* img_jumpy_left_down;
  44 Sprite* img_jumpy_left_middle;
  45 Sprite* img_mrbomb_left;
  46 Sprite* img_mrbomb_right;
  47 Sprite* img_mrbomb_ticking_left;
  48 Sprite* img_mrbomb_ticking_right;
  49 Sprite* img_mrbomb_explosion;
  50 Sprite* img_stalactite;
  51 Sprite* img_stalactite_broken;
  52 Sprite* img_flame;
  53 Sprite* img_fish;
  54 Sprite* img_fish_down;
  55 Sprite* img_bouncingsnowball_left;
  56 Sprite* img_bouncingsnowball_right;
  57 Sprite* img_bouncingsnowball_squished;
  58 Sprite* img_flyingsnowball;
  59 Sprite* img_flyingsnowball_squished;
  60 Sprite* img_spiky_left;
  61 Sprite* img_spiky_right;
  62 Sprite* img_snowball_left;
  63 Sprite* img_snowball_right;
  64 Sprite* img_snowball_squished_left;
  65 Sprite* img_snowball_squished_right;
  66
  67 #define BADGUY_WALK_SPEED .8f
  68
  69 BadGuyKind  badguykind_from_string(const std::string& str)
  70 {
  71   if (str == "money" || str == "jumpy") // was money in old maps
  72     return BAD_JUMPY;
  73   else if (str == "laptop" || str == "mriceblock") // was laptop in old maps
  74     return BAD_MRICEBLOCK;
  75   else if (str == "mrbomb")
  76     return BAD_MRBOMB;
  77   else if (str == "stalactite")
  78     return BAD_STALACTITE;
  79   else if (str == "flame")
  80     return BAD_FLAME;
  81   else if (str == "fish")
  82     return BAD_FISH;
  83   else if (str == "bouncingsnowball")
  84     return BAD_BOUNCINGSNOWBALL;
  85   else if (str == "flyingsnowball")
  86     return BAD_FLYINGSNOWBALL;
  87   else if (str == "spiky")
  88     return BAD_SPIKY;
  89   else if (str == "snowball" || str == "bsod") // was bsod in old maps
  90     return BAD_SNOWBALL;
  91   else
  92     {
  93       printf("Couldn't convert badguy: '%s'\n", str.c_str());
  94       return BAD_SNOWBALL;
  95     }
  96 }
  97
  98 std::string badguykind_to_string(BadGuyKind kind)
  99 {
 100   switch(kind)
 101     {
 102     case BAD_JUMPY:
 103       return "jumpy";
 104       break;
 105     case BAD_MRICEBLOCK:
 106       return "mriceblock";
 107       break;
 108     case BAD_MRBOMB:
 109       return "mrbomb";
 110       break;
 111     case BAD_STALACTITE:
 112       return "stalactite";
 113       break;
 114     case BAD_FLAME:
 115       return "flame";
 116       break;
 117     case BAD_FISH:
 118       return "fish";
 119       break;
 120     case BAD_BOUNCINGSNOWBALL:
 121       return "bouncingsnowball";
 122       break;
 123     case BAD_FLYINGSNOWBALL:
 124       return "flyingsnowball";
 125       break;
 126     case BAD_SPIKY:
 127       return "spiky";
 128       break;
 129     case BAD_SNOWBALL:
 130       return "snowball";
 131       break;
 132     default:
 133       return "snowball";
 134     }
 135 }
 136
 137 BadGuy::BadGuy(float x, float y, BadGuyKind kind_, bool stay_on_platform_)
 138   : removable(false), squishcount(0)
 139 {
 140   base.x   = x;
 141   base.y   = y;
 142   base.width  = 0;
 143   base.height = 0;
 144   base.xm  = 0;
 145   base.ym  = 0;
 146
 147   stay_on_platform = stay_on_platform_;
 148   mode     = NORMAL;
 149   dying    = DYING_NOT;
 150   kind     = kind_;
 151   old_base = base;
 152   dir      = LEFT;
 153   seen     = false;
 154   animation_offset = 0;
 155   sprite_left = sprite_right = 0;
 156   physic.reset();
 157   timer.init(true);
 158
 159   if(kind == BAD_MRBOMB) {
 160     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 161     set_sprite(img_mrbomb_left, img_mrbomb_right);
 162   } else if (kind == BAD_MRICEBLOCK) {
 163     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 164     set_sprite(img_mriceblock_left, img_mriceblock_right);
 165   } else if(kind == BAD_JUMPY) {
 166     set_sprite(img_jumpy_left_up, img_jumpy_left_up);
 167   } else if(kind == BAD_BOMB) {
 168     set_sprite(img_mrbomb_ticking_left, img_mrbomb_ticking_right);
 169     // hack so that the bomb doesn't hurt until it expldes...
 170     dying = DYING_SQUISHED;
 171   } else if(kind == BAD_FLAME) {
 172     base.ym = 0; // we misuse base.ym as angle for the flame
 173     physic.enable_gravity(false);
 174     set_sprite(img_flame, img_flame);
 175   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 176     physic.set_velocity(-1.3, 0);
 177     set_sprite(img_bouncingsnowball_left, img_bouncingsnowball_right);
 178   } else if(kind == BAD_STALACTITE) {
 179     physic.enable_gravity(false);
 180     set_sprite(img_stalactite, img_stalactite);
 181   } else if(kind == BAD_FISH) {
 182     set_sprite(img_fish, img_fish);
 183     physic.enable_gravity(true);
 184   } else if(kind == BAD_FLYINGSNOWBALL) {
 185     set_sprite(img_flyingsnowball, img_flyingsnowball);
 186     physic.enable_gravity(false);
 187   } else if(kind == BAD_SPIKY) {
 188     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 189     set_sprite(img_spiky_left, img_spiky_right);
 190   } else if(kind == BAD_SNOWBALL) {
 191     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 192     set_sprite(img_snowball_left, img_snowball_right);
 193   }
 194
 195   // if we're in a solid tile at start correct that now
 196   if(kind != BAD_FLAME && kind != BAD_FISH && collision_object_map(base)) {
 197     printf("Warning: badguy started in wall!.\n");
 198     while(collision_object_map(base))
 199       --base.y;
 200   }
 201 }
 202
 203 void
 204 BadGuy::action_mriceblock(float frame_ratio)
 205 {
 206   Player& tux = *World::current()->get_tux();
 207
 208   if(mode != HELD)
 209     fall();
 210
 211   /* Move left/right: */
 212   if (mode != HELD)
 213     {
 214       // move
 215       physic.apply(frame_ratio, base.x, base.y);
 216       if (dying != DYING_FALLING)
 217         collision_swept_object_map(&old_base,&base);
 218     }
 219   else if (mode == HELD)
 220     { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 221       /* If we're holding the iceblock */
 222       dir = tux.dir;
 223       if(dir==RIGHT)
 224         {
 225           base.x = tux.base.x + 16;
 226           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 227         }
 228       else /* facing left */
 229         {
 230           base.x = tux.base.x - 16;
 231           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 232         }
 233       if(collision_object_map(base))
 234         {
 235           base.x = tux.base.x;
 236           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 237         }
 238
 239       if(tux.input.fire != DOWN) /* SHOOT! */
 240         {
 241           if(dir == LEFT)
 242             base.x -= 24;
 243           else
 244             base.x += 24;
 245           old_base = base;
 246
 247           mode=KICK;
 248           tux.kick_timer.start(KICKING_TIME);
 249           set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 250           physic.set_velocity_x((dir == LEFT) ? -3.5 : 3.5);
 251           play_sound(sounds[SND_KICK],SOUND_CENTER_SPEAKER);
 252         }
 253     }
 254
 255   if (!dying)
 256     {
 257       int changed = dir;
 258       check_horizontal_bump();
 259       if(mode == KICK && changed != dir)
 260         {
 261           /* handle stereo sound (number 10 should be tweaked...)*/
 262           if (base.x < scroll_x + screen->w/2 - 10)
 263             play_sound(sounds[SND_RICOCHET], SOUND_LEFT_SPEAKER);
 264           else if (base.x > scroll_x + screen->w/2 + 10)
 265             play_sound(sounds[SND_RICOCHET], SOUND_RIGHT_SPEAKER);
 266           else
 267             play_sound(sounds[SND_RICOCHET], SOUND_CENTER_SPEAKER);
 268         }
 269     }
 270
 271   /* Handle mode timer: */
 272   if (mode == FLAT)
 273     {
 274       if(!timer.check())
 275         {
 276           mode = NORMAL;
 277           set_sprite(img_mriceblock_left, img_mriceblock_right);
 278           physic.set_velocity( (dir == LEFT) ? -.8 : .8, 0);
 279         }
 280     }
 281 }
 282
 283 void
 284 BadGuy::check_horizontal_bump(bool checkcliff)
 285 {
 286     float halfheight = base.height / 2;
 287     if (dir == LEFT && issolid( base.x, (int) base.y + halfheight))
 288     {
 289         dir = RIGHT;
 290         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 291         return;
 292     }
 293     if (dir == RIGHT && issolid( base.x + base.width, (int)base.y + halfheight))
 294     {
 295         dir = LEFT;
 296         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 297         return;
 298     }
 299
 300     // don't check for cliffs when we're falling
 301     if(!checkcliff)
 302         return;
 303     if(!issolid(base.x + base.width/2, base.y + base.height))
 304         return;
 305
 306     if(dir == LEFT && !issolid(base.x, (int) base.y + base.height + halfheight))
 307     {
 308         dir = RIGHT;
 309         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 310         return;
 311     }
 312     if(dir == RIGHT && !issolid(base.x + base.width,
 313                 (int) base.y + base.height + halfheight))
 314     {
 315         dir = LEFT;
 316         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 317         return;
 318     }
 319 }
 320
 321 void
 322 BadGuy::fall()
 323 {
 324   /* Fall if we get off the ground: */
 325   if (dying != DYING_FALLING)
 326     {
 327       if (!issolid(base.x+base.width/2, base.y + base.height))
 328         {
 329           // not solid below us? enable gravity
 330           physic.enable_gravity(true);
 331         }
 332       else
 333         {
 334           /* Land: */
 335           if (physic.get_velocity_y() < 0)
 336             {
 337               base.y = int((base.y + base.height)/32) * 32 - base.height;
 338               physic.set_velocity_y(0);
 339             }
 340           // no gravity anymore please
 341           physic.enable_gravity(false);
 342
 343           if (stay_on_platform && mode == NORMAL)
 344             {
 345               if (!issolid(base.x + ((dir == LEFT) ? 0 : base.width),
 346                            base.y + base.height))
 347                 {
 348                   if (dir == LEFT)
 349                   {
 350                     dir = RIGHT;
 351                     physic.set_velocity_x(fabs(physic.get_velocity_x()));
 352                   }
 353                   else
 354                   {
 355                     dir = LEFT;
 356                     physic.set_velocity_x(-fabs(physic.get_velocity_x()));
 357                   }
 358                 }
 359             }
 360         }
 361     }
 362   else
 363     {
 364       physic.enable_gravity(true);
 365     }
 366 }
 367
 368 void
 369 BadGuy::remove_me()
 370 {
 371   removable = true;
 372 }
 373
 374 void
 375 BadGuy::action_jumpy(float frame_ratio)
 376 {
 377   if (fabsf(physic.get_velocity_y()) < 2.5f)
 378     set_sprite(img_jumpy_left_middle, img_jumpy_left_middle);
 379   else if (physic.get_velocity_y() < 0)
 380     set_sprite(img_jumpy_left_up, img_jumpy_left_up);
 381   else
 382     set_sprite(img_jumpy_left_down, img_jumpy_left_down);
 383
 384   Player& tux = *World::current()->get_tux();
 385
 386   static const float JUMPV = 6;
 387
 388   fall();
 389   // jump when on ground
 390   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 391     {
 392       physic.set_velocity_y(JUMPV);
 393       physic.enable_gravity(true);
 394
 395       mode = JUMPY_JUMP;
 396     }
 397   else if(mode == JUMPY_JUMP)
 398     {
 399       mode = NORMAL;
 400     }
 401
 402   // set direction based on tux
 403   if(tux.base.x > base.x)
 404     dir = RIGHT;
 405   else
 406     dir = LEFT;
 407
 408   // move
 409   physic.apply(frame_ratio, base.x, base.y);
 410   if(dying == DYING_NOT)
 411     collision_swept_object_map(&old_base, &base);
 412 }
 413
 414 void
 415 BadGuy::action_mrbomb(float frame_ratio)
 416 {
 417   if (dying == DYING_NOT)
 418     check_horizontal_bump(true);
 419
 420   fall();
 421
 422   physic.apply(frame_ratio, base.x, base.y);
 423   if (dying != DYING_FALLING)
 424     collision_swept_object_map(&old_base,&base);
 425 }
 426
 427 void
 428 BadGuy::action_bomb(float frame_ratio)
 429 {
 430   static const int TICKINGTIME = 1000;
 431   static const int EXPLODETIME = 1000;
 432
 433   fall();
 434
 435   if(mode == NORMAL) {
 436     mode = BOMB_TICKING;
 437     timer.start(TICKINGTIME);
 438   } else if(!timer.check()) {
 439     if(mode == BOMB_TICKING) {
 440       mode = BOMB_EXPLODE;
 441       set_sprite(img_mrbomb_explosion, img_mrbomb_explosion);
 442       dying = DYING_NOT; // now the bomb hurts
 443       timer.start(EXPLODETIME);
 444
 445       /* play explosion sound */  // FIXME: is the stereo all right? maybe we should use player cordinates...
 446       if (base.x < scroll_x + screen->w/2 - 10)
 447         play_sound(sounds[SND_EXPLODE], SOUND_LEFT_SPEAKER);
 448       else if (base.x > scroll_x + screen->w/2 + 10)
 449         play_sound(sounds[SND_EXPLODE], SOUND_RIGHT_SPEAKER);
 450       else
 451         play_sound(sounds[SND_EXPLODE], SOUND_CENTER_SPEAKER);
 452
 453     } else if(mode == BOMB_EXPLODE) {
 454       remove_me();
 455       return;
 456     }
 457   }
 458
 459   // move
 460   physic.apply(frame_ratio, base.x, base.y);
 461   collision_swept_object_map(&old_base,&base);
 462 }
 463
 464 void
 465 BadGuy::action_stalactite(float frame_ratio)
 466 {
 467   Player& tux = *World::current()->get_tux();
 468
 469   static const int SHAKETIME = 800;
 470   static const int RANGE = 40;
 471
 472   if(mode == NORMAL) {
 473     // start shaking when tux is below the stalactite and at least 40 pixels
 474     // near
 475     if(tux.base.x + 32 > base.x - RANGE && tux.base.x < base.x + 32 + RANGE
 476             && tux.base.y + tux.base.height > base.y) {
 477       timer.start(SHAKETIME);
 478       mode = STALACTITE_SHAKING;
 479     }
 480   } if(mode == STALACTITE_SHAKING) {
 481     base.x = old_base.x + (rand() % 6) - 3; // TODO this could be done nicer...
 482     if(!timer.check()) {
 483       mode = STALACTITE_FALL;
 484     }
 485   } else if(mode == STALACTITE_FALL) {
 486     fall();
 487     /* Destroy if we collides with land */
 488     if(issolid(base.x+base.width/2, base.y+base.height))
 489     {
 490       timer.start(2000);
 491       dying = DYING_SQUISHED;
 492       mode = FLAT;
 493       set_sprite(img_stalactite_broken, img_stalactite_broken);
 494     }
 495   } else if(mode == FLAT) {
 496     fall();
 497   }
 498
 499   // move
 500   physic.apply(frame_ratio, base.x, base.y);
 501
 502   if(dying == DYING_SQUISHED && !timer.check())
 503     remove_me();
 504 }
 505
 506 void
 507 BadGuy::action_flame(float frame_ratio)
 508 {
 509     static const float radius = 100;
 510     static const float speed = 0.02;
 511     base.x = old_base.x + cos(base.ym) * radius;
 512     base.y = old_base.y + sin(base.ym) * radius;
 513
 514     base.ym = fmodf(base.ym + frame_ratio * speed, 2*M_PI);
 515 }
 516
 517 void
 518 BadGuy::action_fish(float frame_ratio)
 519 {
 520   static const float JUMPV = 6;
 521   static const int WAITTIME = 1000;
 522
 523   // go in wait mode when back in water
 524   if(dying == DYING_NOT && gettile(base.x, base.y+ base.height)->water
 525         && physic.get_velocity_y() <= 0 && mode == NORMAL)
 526     {
 527       mode = FISH_WAIT;
 528       set_sprite(0, 0);
 529       physic.set_velocity(0, 0);
 530       physic.enable_gravity(false);
 531       timer.start(WAITTIME);
 532     }
 533   else if(mode == FISH_WAIT && !timer.check())
 534     {
 535       // jump again
 536       set_sprite(img_fish, img_fish);
 537       mode = NORMAL;
 538       physic.set_velocity(0, JUMPV);
 539       physic.enable_gravity(true);
 540     }
 541
 542   physic.apply(frame_ratio, base.x, base.y);
 543   if(dying == DYING_NOT)
 544     collision_swept_object_map(&old_base, &base);
 545
 546   if(physic.get_velocity_y() < 0)
 547     set_sprite(img_fish_down, img_fish_down);
 548 }
 549
 550 void
 551 BadGuy::action_bouncingsnowball(float frame_ratio)
 552 {
 553   static const float JUMPV = 4.5;
 554
 555   fall();
 556
 557   // jump when on ground
 558   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 559     {
 560       physic.set_velocity_y(JUMPV);
 561       physic.enable_gravity(true);
 562     }
 563   else
 564     {
 565       mode = NORMAL;
 566     }
 567
 568   // check for right/left collisions
 569   check_horizontal_bump();
 570
 571   physic.apply(frame_ratio, base.x, base.y);
 572   if(dying == DYING_NOT)
 573     collision_swept_object_map(&old_base, &base);
 574
 575   // Handle dying timer:
 576   if (dying == DYING_SQUISHED && !timer.check())
 577     {
 578       /* Remove it if time's up: */
 579       remove_me();
 580       return;
 581     }
 582 }
 583
 584 void
 585 BadGuy::action_flyingsnowball(float frame_ratio)
 586 {
 587   static const float FLYINGSPEED = 1;
 588   static const int DIRCHANGETIME = 1000;
 589
 590   // go into flyup mode if none specified yet
 591   if(dying == DYING_NOT && mode == NORMAL) {
 592     mode = FLY_UP;
 593     physic.set_velocity_y(FLYINGSPEED);
 594     timer.start(DIRCHANGETIME/2);
 595   }
 596
 597   if(dying == DYING_NOT && !timer.check()) {
 598     if(mode == FLY_UP) {
 599       mode = FLY_DOWN;
 600       physic.set_velocity_y(-FLYINGSPEED);
 601     } else if(mode == FLY_DOWN) {
 602       mode = FLY_UP;
 603       physic.set_velocity_y(FLYINGSPEED);
 604     }
 605     timer.start(DIRCHANGETIME);
 606   }
 607
 608   if(dying != DYING_NOT)
 609     physic.enable_gravity(true);
 610
 611   physic.apply(frame_ratio, base.x, base.y);
 612   if(dying == DYING_NOT || dying == DYING_SQUISHED)
 613     collision_swept_object_map(&old_base, &base);
 614
 615   // Handle dying timer:
 616   if (dying == DYING_SQUISHED && !timer.check())
 617     {
 618       /* Remove it if time's up: */
 619       remove_me();
 620       return;
 621     }
 622 }
 623
 624 void
 625 BadGuy::action_spiky(float frame_ratio)
 626 {
 627   if (dying == DYING_NOT)
 628     check_horizontal_bump();
 629
 630   fall();
 631 #if 0
 632   // jump when we're about to fall
 633   if (physic.get_velocity_y() == 0 &&
 634           !issolid(base.x+base.width/2, base.y + base.height)) {
 635     physic.enable_gravity(true);
 636     physic.set_velocity_y(2);
 637   }
 638 #endif
 639
 640   physic.apply(frame_ratio, base.x, base.y);
 641   if (dying != DYING_FALLING)
 642     collision_swept_object_map(&old_base,&base);
 643 }
 644
 645 void
 646 BadGuy::action_snowball(float frame_ratio)
 647 {
 648   if (dying == DYING_NOT)
 649     check_horizontal_bump();
 650
 651   fall();
 652
 653   physic.apply(frame_ratio, base.x, base.y);
 654   if (dying != DYING_FALLING)
 655     collision_swept_object_map(&old_base,&base);
 656 }
 657
 658 void
 659 BadGuy::action(float frame_ratio)
 660 {
 661   // Remove if it's far off the screen:
 662   if (base.x < scroll_x - OFFSCREEN_DISTANCE)
 663     {
 664       remove_me();
 665       return;
 666     }
 667
 668   // BadGuy fall below the ground
 669   if (base.y > screen->h) {
 670     remove_me();
 671     return;
 672   }
 673
 674   // Once it's on screen, it's activated!
 675   if (base.x <= scroll_x + screen->w + OFFSCREEN_DISTANCE)
 676     seen = true;
 677
 678   if(!seen)
 679     return;
 680
 681   switch (kind)
 682     {
 683     case BAD_MRICEBLOCK:
 684       action_mriceblock(frame_ratio);
 685       break;
 686
 687     case BAD_JUMPY:
 688       action_jumpy(frame_ratio);
 689       break;
 690
 691     case BAD_MRBOMB:
 692       action_mrbomb(frame_ratio);
 693       break;
 694
 695     case BAD_BOMB:
 696       action_bomb(frame_ratio);
 697       break;
 698
 699     case BAD_STALACTITE:
 700       action_stalactite(frame_ratio);
 701       break;
 702
 703     case BAD_FLAME:
 704       action_flame(frame_ratio);
 705       break;
 706
 707     case BAD_FISH:
 708       action_fish(frame_ratio);
 709       break;
 710
 711     case BAD_BOUNCINGSNOWBALL:
 712       action_bouncingsnowball(frame_ratio);
 713       break;
 714
 715     case BAD_FLYINGSNOWBALL:
 716       action_flyingsnowball(frame_ratio);
 717       break;
 718
 719     case BAD_SPIKY:
 720       action_spiky(frame_ratio);
 721       break;
 722
 723     case BAD_SNOWBALL:
 724       action_snowball(frame_ratio);
 725       break;
 726     }
 727 }
 728
 729 void
 730 BadGuy::draw()
 731 {
 732   // Don't try to draw stuff that is outside of the screen
 733   if(base.x <= scroll_x - base.width || base.x >= scroll_x + screen->w)
 734     return;
 735
 736   if(sprite_left == 0 || sprite_right == 0)
 737     {
 738       return;
 739     }
 740
 741   Sprite* sprite = (dir == LEFT) ? sprite_left : sprite_right;
 742   sprite->draw(base.x - scroll_x, base.y);
 743
 744   if (debug_mode)
 745     fillrect(base.x - scroll_x, base.y, base.width, base.height, 75,0,75, 150);
 746 }
 747
 748 void
 749 BadGuy::set_sprite(Sprite* left, Sprite* right)
 750 {
 751   if (1)
 752     {
 753       base.width = 32;
 754       base.height = 32;
 755     }
 756   else
 757     {
 758       // FIXME: Using the image size for the physics and collision is
 759       // a bad idea, since images should always overlap there physical
 760       // representation
 761       if(left != 0) {
 762         if(base.width == 0 && base.height == 0) {
 763           base.width  = left->get_width();
 764           base.height = left->get_height();
 765         } else if(base.width != left->get_width() || base.height != left->get_height()) {
 766           base.x -= (left->get_width() - base.width) / 2;
 767           base.y -= left->get_height() - base.height;
 768           base.width = left->get_width();
 769           base.height = left->get_height();
 770           old_base = base;
 771         }
 772       } else {
 773         base.width = base.height = 0;
 774       }
 775     }
 776
 777   animation_offset = 0;
 778   sprite_left  = left;
 779   sprite_right = right;
 780 }
 781
 782 void
 783 BadGuy::bump()
 784 {
 785   // these can't be bumped
 786   if(kind == BAD_FLAME || kind == BAD_BOMB || kind == BAD_FISH
 787       || kind == BAD_FLYINGSNOWBALL)
 788     return;
 789
 790   physic.set_velocity_y(3);
 791   kill_me(25);
 792 }
 793
 794 void
 795 BadGuy::make_player_jump(Player* player)
 796 {
 797   player->physic.set_velocity_y(2);
 798   player->base.y = base.y - player->base.height - 2;
 799 }
 800
 801 void
 802 BadGuy::squish_me(Player* player)
 803 {
 804   make_player_jump(player);
 805
 806   World::current()->add_score(base.x - scroll_x,
 807                               base.y, 50 * player_status.score_multiplier);
 808   play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 809   player_status.score_multiplier++;
 810
 811   dying = DYING_SQUISHED;
 812   timer.start(2000);
 813   physic.set_velocity(0, 0);
 814 }
 815
 816 void
 817 BadGuy::squish(Player* player)
 818 {
 819   static const int MAX_ICEBLOCK_SQUICHES = 10;
 820
 821   if(kind == BAD_MRBOMB) {
 822     // mrbomb transforms into a bomb now
 823     World::current()->add_bad_guy(base.x, base.y, BAD_BOMB);
 824
 825     make_player_jump(player);
 826     World::current()->add_score(base.x - scroll_x, base.y, 50 * player_status.score_multiplier);
 827     play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 828     player_status.score_multiplier++;
 829     remove_me();
 830     return;
 831
 832   } else if (kind == BAD_MRICEBLOCK) {
 833     if (mode == NORMAL || mode == KICK)
 834       {
 835         /* Flatten! */
 836         play_sound(sounds[SND_STOMP], SOUND_CENTER_SPEAKER);
 837         mode = FLAT;
 838         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 839         physic.set_velocity_x(0);
 840
 841         timer.start(4000);
 842       } else if (mode == FLAT) {
 843         /* Kick! */
 844         play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
 845
 846         if (player->base.x < base.x + (base.width/2)) {
 847           physic.set_velocity_x(5);
 848           dir = RIGHT;
 849         } else {
 850           physic.set_velocity_x(-5);
 851           dir = LEFT;
 852         }
 853
 854         mode = KICK;
 855         player->kick_timer.start(KICKING_TIME);
 856         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 857       }
 858
 859     make_player_jump(player);
 860
 861     player_status.score_multiplier++;
 862
 863     // check for maximum number of squiches
 864     squishcount++;
 865     if(squishcount >= MAX_ICEBLOCK_SQUICHES) {
 866       kill_me(50);
 867       return;
 868     }
 869
 870     return;
 871   } else if(kind == BAD_FISH) {
 872     // fish can only be killed when falling down
 873     if(physic.get_velocity_y() >= 0)
 874       return;
 875
 876     make_player_jump(player);
 877
 878     World::current()->add_score(base.x - scroll_x, base.y, 25 * player_status.score_multiplier);
 879     player_status.score_multiplier++;
 880
 881     // simply remove the fish...
 882     remove_me();
 883     return;
 884   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 885     squish_me(player);
 886     set_sprite(img_bouncingsnowball_squished,img_bouncingsnowball_squished);
 887     return;
 888   } else if(kind == BAD_FLYINGSNOWBALL) {
 889     squish_me(player);
 890     set_sprite(img_flyingsnowball_squished,img_flyingsnowball_squished);
 891     return;
 892   } else if(kind == BAD_SNOWBALL) {
 893     squish_me(player);
 894     set_sprite(img_snowball_squished_left, img_snowball_squished_right);
 895     return;
 896   }
 897 }
 898
 899 void
 900 BadGuy::kill_me(int score)
 901 {
 902   if(kind == BAD_BOMB || kind == BAD_STALACTITE || kind == BAD_FLAME)
 903     return;
 904
 905   dying = DYING_FALLING;
 906   if(kind == BAD_MRICEBLOCK) {
 907     set_sprite(img_mriceblock_falling_left, img_mriceblock_falling_right);
 908     if(mode == HELD) {
 909       mode = NORMAL;
 910       Player& tux = *World::current()->get_tux();
 911       tux.holding_something = false;
 912     }
 913   }
 914
 915   physic.enable_gravity(true);
 916
 917   /* Gain some points: */
 918     World::current()->add_score(base.x - scroll_x, base.y,
 919                     score * player_status.score_multiplier);
 920
 921   /* Play death sound: */
 922   play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 923 }
 924
 925 void
 926 BadGuy::collision(void *p_c_object, int c_object, CollisionType type)
 927 {
 928   BadGuy* pbad_c    = NULL;
 929
 930   if(type == COLLISION_BUMP) {
 931     bump();
 932     return;
 933   }
 934
 935   if(type == COLLISION_SQUISH) {
 936     Player* player = static_cast<Player*>(p_c_object);
 937     squish(player);
 938     return;
 939   }
 940
 941   /* COLLISION_NORMAL */
 942   switch (c_object)
 943     {
 944     case CO_BULLET:
 945       kill_me(10);
 946       break;
 947
 948     case CO_BADGUY:
 949       pbad_c = (BadGuy*) p_c_object;
 950
 951       /* If we're a kicked mriceblock, kill any badguys we hit */
 952       if(kind == BAD_MRICEBLOCK && mode == KICK)
 953         {
 954           pbad_c->kill_me(25);
 955         }
 956
 957       // a held mriceblock gets kills the enemy too but falls to ground then
 958       else if(kind == BAD_MRICEBLOCK && mode == HELD)
 959         {
 960           pbad_c->kill_me(25);
 961           kill_me(0);
 962         }
 963
 964       /* Kill badguys that run into exploding bomb */
 965       else if (kind == BAD_BOMB && dying == DYING_NOT)
 966       {
 967         if (pbad_c->kind == BAD_MRBOMB)
 968         {
 969           // mrbomb transforms into a bomb now
 970           World::current()->add_bad_guy(pbad_c->base.x, pbad_c->base.y,
 971                                         BAD_BOMB);
 972           pbad_c->remove_me();
 973           return;
 974         }
 975         else if (pbad_c->kind != BAD_MRBOMB)
 976         {
 977           pbad_c->kill_me(50);
 978         }
 979       }
 980
 981       /* Kill any badguys that get hit by stalactite */
 982       else if (kind == BAD_STALACTITE && dying == DYING_NOT)
 983       {
 984         pbad_c->kill_me(50);
 985       }
 986
 987       /* When enemies run into eachother, make them change directions */
 988       else
 989       {
 990         // Jumpy, fish, flame, stalactites are exceptions
 991         if (pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FLAME
 992             || pbad_c->kind == BAD_STALACTITE || pbad_c->kind == BAD_FISH)
 993           break;
 994
 995         // Bounce off of other badguy if we land on top of him
 996         if (base.y + base.height < pbad_c->base.y + pbad_c->base.height)
 997         {
 998           if (pbad_c->dir == LEFT)
 999           {
1000             dir = RIGHT;
1001             physic.set_velocity(fabs(physic.get_velocity_x()), 2);
1002           }
1003           else if (pbad_c->dir == RIGHT)
1004           {
1005             dir = LEFT;
1006             physic.set_velocity(-fabs(physic.get_velocity_x()), 2);
1007           }
1008
1009
1010
1011           break;
1012         }
1013         else if (base.y + base.height > pbad_c->base.y + pbad_c->base.height)
1014           break;
1015
1016         if (pbad_c->kind != BAD_FLAME)
1017           {
1018             if (dir == LEFT)
1019             {
1020               dir = RIGHT;
1021               physic.set_velocity_x(fabs(physic.get_velocity_x()));
1022             }
1023             else if (dir == RIGHT)
1024             {
1025               dir = LEFT;
1026               physic.set_velocity_x(-fabs(physic.get_velocity_x()));
1027             }
1028
1029           }
1030       }
1031
1032       break;
1033
1034     case CO_PLAYER:
1035       Player* player = static_cast<Player*>(p_c_object);
1036       /* Get kicked if were flat */
1037       if (mode == FLAT && !dying)
1038       {
1039         play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
1040
1041         // Hit from left side
1042         if (player->base.x < base.x) {
1043           physic.set_velocity_x(5);
1044           dir = RIGHT;
1045         }
1046         // Hit from right side
1047         else {
1048           physic.set_velocity_x(-5);
1049           dir = LEFT;
1050         }
1051
1052         mode = KICK;
1053         player->kick_timer.start(KICKING_TIME);
1054         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
1055       }
1056       break;
1057
1058     }
1059 }
1060
1061 //---------------------------------------------------------------------------
1062
1063 void load_badguy_gfx()
1064 {
1065   img_mriceblock_flat_left = sprite_manager->load("mriceblock-flat-left");
1066   img_mriceblock_flat_right = sprite_manager->load("mriceblock-flat-right");
1067   img_mriceblock_falling_left = sprite_manager->load("mriceblock-falling-left");
1068   img_mriceblock_falling_right = sprite_manager->load("mriceblock-falling-right");
1069   img_mriceblock_left = sprite_manager->load("mriceblock-left");
1070   img_mriceblock_right = sprite_manager->load("mriceblock-right");
1071   img_jumpy_left_up = sprite_manager->load("jumpy-left-up");
1072   img_jumpy_left_down = sprite_manager->load("jumpy-left-down");
1073   img_jumpy_left_middle = sprite_manager->load("jumpy-left-middle");
1074   img_mrbomb_left = sprite_manager->load("mrbomb-left");
1075   img_mrbomb_right = sprite_manager->load("mrbomb-right");
1076   img_mrbomb_ticking_left = sprite_manager->load("mrbomb-ticking-left");
1077   img_mrbomb_ticking_right = sprite_manager->load("mrbomb-ticking-right");
1078   img_mrbomb_explosion = sprite_manager->load("mrbomb-explosion");
1079   img_stalactite = sprite_manager->load("stalactite");
1080   img_stalactite_broken = sprite_manager->load("stalactite-broken");
1081   img_flame = sprite_manager->load("flame");
1082   img_fish = sprite_manager->load("fish");
1083   img_fish_down = sprite_manager->load("fish-down");
1084   img_bouncingsnowball_left = sprite_manager->load("bouncingsnowball-left");
1085   img_bouncingsnowball_right = sprite_manager->load("bouncingsnowball-right");
1086   img_bouncingsnowball_squished = sprite_manager->load("bouncingsnowball-squished");
1087   img_flyingsnowball = sprite_manager->load("flyingsnowball");
1088   img_flyingsnowball_squished = sprite_manager->load("flyingsnowball-squished");
1089   img_spiky_left = sprite_manager->load("spiky-left");
1090   img_spiky_right = sprite_manager->load("spiky-right");
1091   img_snowball_left = sprite_manager->load("snowball-left");
1092   img_snowball_right = sprite_manager->load("snowball-right");
1093   img_snowball_squished_left = sprite_manager->load("snowball-squished-left");
1094   img_snowball_squished_right = sprite_manager->load("snowball-squished-right");
1095 }
1096
1097 void free_badguy_gfx()
1098 {
1099 }
1100
1101 // EOF //