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 #include "gameloop.h"
  36 #include "display_manager.h"
  37 #include "lispwriter.h"
  38 #include "camera.h"
  39
  40 Sprite* img_mriceblock_flat_left;
  41 Sprite* img_mriceblock_flat_right;
  42 Sprite* img_mriceblock_falling_left;
  43 Sprite* img_mriceblock_falling_right;
  44 Sprite* img_mriceblock_left;
  45 Sprite* img_mriceblock_right;
  46 Sprite* img_jumpy_left_up;
  47 Sprite* img_jumpy_left_down;
  48 Sprite* img_jumpy_left_middle;
  49 Sprite* img_jumpy_left_iced;
  50 Sprite* img_mrbomb_left;
  51 Sprite* img_mrbomb_right;
  52 Sprite* img_mrbomb_iced_left;
  53 Sprite* img_mrbomb_iced_right;
  54 Sprite* img_mrbomb_ticking_left;
  55 Sprite* img_mrbomb_ticking_right;
  56 Sprite* img_mrbomb_explosion;
  57 Sprite* img_stalactite;
  58 Sprite* img_stalactite_broken;
  59 Sprite* img_flame;
  60 Sprite* img_fish;
  61 Sprite* img_fish_down;
  62 Sprite* img_fish_iced;
  63 Sprite* img_fish_iced_down;
  64 Sprite* img_bouncingsnowball_left;
  65 Sprite* img_bouncingsnowball_right;
  66 Sprite* img_bouncingsnowball_squished;
  67 Sprite* img_flyingsnowball;
  68 Sprite* img_flyingsnowball_squished;
  69 Sprite* img_spiky_left;
  70 Sprite* img_spiky_right;
  71 Sprite* img_spiky_iced_left;
  72 Sprite* img_spiky_iced_right;
  73 Sprite* img_snowball_left;
  74 Sprite* img_snowball_right;
  75 Sprite* img_snowball_squished_left;
  76 Sprite* img_snowball_squished_right;
  77
  78 #define BADGUY_WALK_SPEED .8f
  79
  80 BadGuyKind  badguykind_from_string(const std::string& str)
  81 {
  82   if (str == "money" || str == "jumpy") // was money in old maps
  83     return BAD_JUMPY;
  84   else if (str == "laptop" || str == "mriceblock") // was laptop in old maps
  85     return BAD_MRICEBLOCK;
  86   else if (str == "mrbomb")
  87     return BAD_MRBOMB;
  88   else if (str == "stalactite")
  89     return BAD_STALACTITE;
  90   else if (str == "flame")
  91     return BAD_FLAME;
  92   else if (str == "fish")
  93     return BAD_FISH;
  94   else if (str == "bouncingsnowball")
  95     return BAD_BOUNCINGSNOWBALL;
  96   else if (str == "flyingsnowball")
  97     return BAD_FLYINGSNOWBALL;
  98   else if (str == "spiky")
  99     return BAD_SPIKY;
 100   else if (str == "snowball" || str == "bsod") // was bsod in old maps
 101     return BAD_SNOWBALL;
 102   else
 103     {
 104       printf("Couldn't convert badguy: '%s'\n", str.c_str());
 105       return BAD_SNOWBALL;
 106     }
 107 }
 108
 109 std::string badguykind_to_string(BadGuyKind kind)
 110 {
 111   switch(kind)
 112     {
 113     case BAD_JUMPY:
 114       return "jumpy";
 115       break;
 116     case BAD_MRICEBLOCK:
 117       return "mriceblock";
 118       break;
 119     case BAD_MRBOMB:
 120       return "mrbomb";
 121       break;
 122     case BAD_STALACTITE:
 123       return "stalactite";
 124       break;
 125     case BAD_FLAME:
 126       return "flame";
 127       break;
 128     case BAD_FISH:
 129       return "fish";
 130       break;
 131     case BAD_BOUNCINGSNOWBALL:
 132       return "bouncingsnowball";
 133       break;
 134     case BAD_FLYINGSNOWBALL:
 135       return "flyingsnowball";
 136       break;
 137     case BAD_SPIKY:
 138       return "spiky";
 139       break;
 140     case BAD_SNOWBALL:
 141       return "snowball";
 142       break;
 143     default:
 144       return "snowball";
 145     }
 146 }
 147
 148 BadGuy::BadGuy(DisplayManager& display_manager, BadGuyKind kind_,
 149     LispReader& lispreader)
 150   : removable(false), squishcount(0)
 151 {
 152   display_manager.add_drawable(this, LAYER_OBJECTS);
 153
 154   base.x = 0;
 155   base.y = 0;
 156   lispreader.read_float("x", &base.x);
 157   lispreader.read_float("y", &base.y);
 158   base.width  = 0;
 159   base.height = 0;
 160
 161   kind     = kind_;
 162
 163   stay_on_platform = false;
 164   lispreader.read_bool("stay-on-platform", &stay_on_platform);
 165
 166   init();
 167 }
 168
 169 BadGuy::BadGuy(DisplayManager& display_manager, BadGuyKind kind_,
 170     float x, float y)
 171 {
 172   display_manager.add_drawable(this, LAYER_OBJECTS);
 173
 174   base.x = x;
 175   base.y = y;
 176   base.width  = 0;
 177   base.height = 0;
 178   stay_on_platform = false;
 179
 180   kind     = kind_;
 181
 182   init();
 183 }
 184
 185 BadGuy::~BadGuy()
 186 {
 187 }
 188
 189 void
 190 BadGuy::init()
 191 {
 192   mode     = NORMAL;
 193   dying    = DYING_NOT;
 194   old_base = base;
 195   dir      = LEFT;
 196   seen     = false;
 197   frozen_timer.init(true);
 198   animation_offset = 0;
 199   sprite_left = sprite_right = 0;
 200   physic.reset();
 201   timer.init(true);
 202
 203   if(kind == BAD_MRBOMB) {
 204     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 205     set_sprite(img_mrbomb_left, img_mrbomb_right);
 206   } else if (kind == BAD_MRICEBLOCK) {
 207     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 208     set_sprite(img_mriceblock_left, img_mriceblock_right);
 209   } else if(kind == BAD_JUMPY) {
 210     set_sprite(img_jumpy_left_up, img_jumpy_left_up);
 211   } else if(kind == BAD_BOMB) {
 212     set_sprite(img_mrbomb_ticking_left, img_mrbomb_ticking_right);
 213     // hack so that the bomb doesn't hurt until it expldes...
 214     dying = DYING_SQUISHED;
 215   } else if(kind == BAD_FLAME) {
 216     angle = 0;
 217     physic.enable_gravity(false);
 218     set_sprite(img_flame, img_flame);
 219   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 220     physic.set_velocity(-1.3, 0);
 221     set_sprite(img_bouncingsnowball_left, img_bouncingsnowball_right);
 222   } else if(kind == BAD_STALACTITE) {
 223     physic.enable_gravity(false);
 224     set_sprite(img_stalactite, img_stalactite);
 225   } else if(kind == BAD_FISH) {
 226     set_sprite(img_fish, img_fish);
 227     physic.enable_gravity(true);
 228   } else if(kind == BAD_FLYINGSNOWBALL) {
 229     set_sprite(img_flyingsnowball, img_flyingsnowball);
 230     physic.enable_gravity(false);
 231   } else if(kind == BAD_SPIKY) {
 232     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 233     set_sprite(img_spiky_left, img_spiky_right);
 234   } else if(kind == BAD_SNOWBALL) {
 235     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 236     set_sprite(img_snowball_left, img_snowball_right);
 237   }
 238
 239   // if we're in a solid tile at start correct that now
 240   if(kind != BAD_FLAME && kind != BAD_FISH && collision_object_map(base))
 241     {
 242       std::cout << "Warning: badguy started in wall: kind: " << badguykind_to_string(kind)
 243                 << " pos: (" << base.x << ", " << base.y << ")" << std::endl;
 244       while(collision_object_map(base))
 245         --base.y;
 246     }
 247 }
 248
 249 void
 250 BadGuy::write(LispWriter& writer)
 251 {
 252   writer.start_list(badguykind_to_string(kind));
 253
 254   writer.write_float("x", base.x);
 255   writer.write_float("y", base.y);
 256   writer.write_bool("stay-on-platform", stay_on_platform);
 257
 258   writer.end_list(badguykind_to_string(kind));
 259 }
 260
 261 void
 262 BadGuy::action_mriceblock(double elapsed_time)
 263 {
 264   Player& tux = *World::current()->get_tux();
 265
 266   if(mode != HELD)
 267     fall();
 268
 269   /* Move left/right: */
 270   if (mode != HELD)
 271     {
 272       // move
 273       physic.apply(elapsed_time, base.x, base.y);
 274       if (dying != DYING_FALLING)
 275         collision_swept_object_map(&old_base,&base);
 276     }
 277   else if (mode == HELD)
 278     { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 279       /* If we're holding the iceblock */
 280       dir = tux.dir;
 281       if(dir==RIGHT)
 282         {
 283           base.x = tux.base.x + 16;
 284           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 285         }
 286       else /* facing left */
 287         {
 288           base.x = tux.base.x - 16;
 289           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 290         }
 291       if(collision_object_map(base))
 292         {
 293           base.x = tux.base.x;
 294           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 295         }
 296
 297       if(tux.input.fire != DOWN) /* SHOOT! */
 298         {
 299           if(dir == LEFT)
 300             base.x -= 24;
 301           else
 302             base.x += 24;
 303           old_base = base;
 304
 305           mode=KICK;
 306           tux.kick_timer.start(KICKING_TIME);
 307           set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 308           physic.set_velocity_x((dir == LEFT) ? -3.5 : 3.5);
 309           play_sound(sounds[SND_KICK],SOUND_CENTER_SPEAKER);
 310         }
 311     }
 312
 313   if (!dying)
 314     {
 315       int changed = dir;
 316       check_horizontal_bump();
 317       if(mode == KICK && changed != dir)
 318         {
 319           float scroll_x = World::current()->camera->get_translation().x;
 320
 321           /* handle stereo sound (number 10 should be tweaked...)*/
 322           if (base.x < scroll_x + screen->w/2 - 10)
 323             play_sound(sounds[SND_RICOCHET], SOUND_LEFT_SPEAKER);
 324           else if (base.x > scroll_x + screen->w/2 + 10)
 325             play_sound(sounds[SND_RICOCHET], SOUND_RIGHT_SPEAKER);
 326           else
 327             play_sound(sounds[SND_RICOCHET], SOUND_CENTER_SPEAKER);
 328         }
 329     }
 330
 331   /* Handle mode timer: */
 332   if (mode == FLAT)
 333     {
 334       if(!timer.check())
 335         {
 336           mode = NORMAL;
 337           set_sprite(img_mriceblock_left, img_mriceblock_right);
 338           physic.set_velocity( (dir == LEFT) ? -.8 : .8, 0);
 339         }
 340     }
 341 }
 342
 343 void
 344 BadGuy::check_horizontal_bump(bool checkcliff)
 345 {
 346     float halfheight = base.height / 2;
 347     if (dir == LEFT && issolid( base.x, (int) base.y + halfheight))
 348     {
 349         if (kind == BAD_MRICEBLOCK && mode == KICK)
 350             World::current()->trybreakbrick(base.x, (int) base.y + halfheight, false);
 351
 352         dir = RIGHT;
 353         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 354         return;
 355     }
 356     if (dir == RIGHT && issolid( base.x + base.width, (int)base.y + halfheight))
 357     {
 358         if (kind == BAD_MRICEBLOCK && mode == KICK)
 359             World::current()->trybreakbrick(base.x + base.width, (int) base.y + halfheight, false);
 360
 361         dir = LEFT;
 362         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 363         return;
 364     }
 365
 366     // don't check for cliffs when we're falling
 367     if(!checkcliff)
 368         return;
 369     if(!issolid(base.x + base.width/2, base.y + base.height))
 370         return;
 371
 372     if(dir == LEFT && !issolid(base.x, (int) base.y + base.height + halfheight))
 373     {
 374         dir = RIGHT;
 375         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 376         return;
 377     }
 378     if(dir == RIGHT && !issolid(base.x + base.width,
 379                 (int) base.y + base.height + halfheight))
 380     {
 381         dir = LEFT;
 382         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 383         return;
 384     }
 385 }
 386
 387 void
 388 BadGuy::fall()
 389 {
 390   /* Fall if we get off the ground: */
 391   if (dying != DYING_FALLING)
 392     {
 393       if (!issolid(base.x+base.width/2, base.y + base.height))
 394         {
 395           // not solid below us? enable gravity
 396           physic.enable_gravity(true);
 397         }
 398       else
 399         {
 400           /* Land: */
 401           if (physic.get_velocity_y() < 0)
 402             {
 403               base.y = int((base.y + base.height)/32) * 32 - base.height;
 404               physic.set_velocity_y(0);
 405             }
 406           // no gravity anymore please
 407           physic.enable_gravity(false);
 408
 409           if (stay_on_platform && mode == NORMAL)
 410             {
 411               if (!issolid(base.x + ((dir == LEFT) ? 0 : base.width),
 412                            base.y + base.height))
 413                 {
 414                   if (dir == LEFT)
 415                   {
 416                     dir = RIGHT;
 417                     physic.set_velocity_x(fabsf(physic.get_velocity_x()));
 418                   }
 419                   else
 420                   {
 421                     dir = LEFT;
 422                     physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
 423                   }
 424                 }
 425             }
 426         }
 427     }
 428   else
 429     {
 430       physic.enable_gravity(true);
 431     }
 432 }
 433
 434 void
 435 BadGuy::action_jumpy(double elapsed_time)
 436 {
 437   if(frozen_timer.check())
 438     {
 439     set_sprite(img_jumpy_left_iced, img_jumpy_left_iced);
 440     return;
 441     }
 442
 443   const float vy = physic.get_velocity_y();
 444
 445   // XXX: These tests *should* use location from ground, not velocity
 446   if (fabsf(vy) > 5.6f)
 447     set_sprite(img_jumpy_left_down, img_jumpy_left_down);
 448   else if (fabsf(vy) > 5.3f)
 449     set_sprite(img_jumpy_left_middle, img_jumpy_left_middle);
 450   else
 451     set_sprite(img_jumpy_left_up, img_jumpy_left_up);
 452
 453   Player& tux = *World::current()->get_tux();
 454
 455   static const float JUMPV = 6;
 456
 457   fall();
 458   // jump when on ground
 459   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 460     {
 461       physic.set_velocity_y(JUMPV);
 462       physic.enable_gravity(true);
 463
 464       mode = JUMPY_JUMP;
 465     }
 466   else if(mode == JUMPY_JUMP)
 467     {
 468       mode = NORMAL;
 469     }
 470
 471   // set direction based on tux
 472   if(tux.base.x > base.x)
 473     dir = RIGHT;
 474   else
 475     dir = LEFT;
 476
 477   // move
 478   physic.apply(elapsed_time, base.x, base.y);
 479   if(dying == DYING_NOT)
 480     collision_swept_object_map(&old_base, &base);
 481 }
 482
 483 void
 484 BadGuy::action_mrbomb(double elapsed_time)
 485 {
 486   if(frozen_timer.check())
 487     {
 488     set_sprite(img_mrbomb_iced_left, img_mrbomb_iced_right);
 489     return;
 490     }
 491
 492   if (dying == DYING_NOT)
 493     check_horizontal_bump(true);
 494
 495   fall();
 496
 497   physic.apply(elapsed_time, base.x, base.y);
 498   if (dying != DYING_FALLING)
 499     collision_swept_object_map(&old_base,&base);
 500 }
 501
 502 void
 503 BadGuy::action_bomb(double elapsed_time)
 504 {
 505   static const int TICKINGTIME = 1000;
 506   static const int EXPLODETIME = 1000;
 507
 508   fall();
 509
 510   if(mode == NORMAL) {
 511     mode = BOMB_TICKING;
 512     timer.start(TICKINGTIME);
 513   } else if(!timer.check()) {
 514     if(mode == BOMB_TICKING) {
 515       mode = BOMB_EXPLODE;
 516       set_sprite(img_mrbomb_explosion, img_mrbomb_explosion);
 517       dying = DYING_NOT; // now the bomb hurts
 518       timer.start(EXPLODETIME);
 519
 520       float scroll_x = World::current()->camera->get_translation().x;
 521
 522       /* play explosion sound */  // FIXME: is the stereo all right? maybe we should use player cordinates...
 523       if (base.x < scroll_x + screen->w/2 - 10)
 524         play_sound(sounds[SND_EXPLODE], SOUND_LEFT_SPEAKER);
 525       else if (base.x > scroll_x + screen->w/2 + 10)
 526         play_sound(sounds[SND_EXPLODE], SOUND_RIGHT_SPEAKER);
 527       else
 528         play_sound(sounds[SND_EXPLODE], SOUND_CENTER_SPEAKER);
 529
 530     } else if(mode == BOMB_EXPLODE) {
 531       remove_me();
 532       return;
 533     }
 534   }
 535
 536   // move
 537   physic.apply(elapsed_time, base.x, base.y);
 538   collision_swept_object_map(&old_base,&base);
 539 }
 540
 541 void
 542 BadGuy::action_stalactite(double elapsed_time)
 543 {
 544   Player& tux = *World::current()->get_tux();
 545
 546   static const int SHAKETIME = 800;
 547   static const int RANGE = 40;
 548
 549   if(mode == NORMAL) {
 550     // start shaking when tux is below the stalactite and at least 40 pixels
 551     // near
 552     if(tux.base.x + 32 > base.x - RANGE && tux.base.x < base.x + 32 + RANGE
 553             && tux.base.y + tux.base.height > base.y) {
 554       timer.start(SHAKETIME);
 555       mode = STALACTITE_SHAKING;
 556     }
 557   } if(mode == STALACTITE_SHAKING) {
 558     base.x = old_base.x + (rand() % 6) - 3; // TODO this could be done nicer...
 559     if(!timer.check()) {
 560       mode = STALACTITE_FALL;
 561     }
 562   } else if(mode == STALACTITE_FALL) {
 563     fall();
 564     /* Destroy if we collides with land */
 565     if(issolid(base.x+base.width/2, base.y+base.height))
 566     {
 567       timer.start(2000);
 568       dying = DYING_SQUISHED;
 569       mode = FLAT;
 570       set_sprite(img_stalactite_broken, img_stalactite_broken);
 571     }
 572   } else if(mode == FLAT) {
 573     fall();
 574   }
 575
 576   // move
 577   physic.apply(elapsed_time, base.x, base.y);
 578
 579   if(dying == DYING_SQUISHED && !timer.check())
 580     remove_me();
 581 }
 582
 583 void
 584 BadGuy::action_flame(double elapsed_time)
 585 {
 586     static const float radius = 100;
 587     static const float speed = 0.02;
 588     base.x = old_base.x + cos(angle) * radius;
 589     base.y = old_base.y + sin(angle) * radius;
 590
 591     angle = fmodf(angle + elapsed_time * speed, 2*M_PI);
 592 }
 593
 594 void
 595 BadGuy::action_fish(double elapsed_time)
 596 {
 597   if(frozen_timer.check())
 598     {
 599     if(physic.get_velocity_y() < 0)
 600       set_sprite(img_fish_iced_down, img_fish_iced_down);
 601     else
 602       set_sprite(img_fish_iced, img_fish_iced);
 603
 604     return;
 605     }
 606
 607   static const float JUMPV = 6;
 608   static const int WAITTIME = 1000;
 609
 610   // go in wait mode when back in water
 611   if(dying == DYING_NOT && gettile(base.x, base.y+ base.height)->water
 612         && physic.get_velocity_y() <= 0 && mode == NORMAL)
 613     {
 614       mode = FISH_WAIT;
 615       set_sprite(0, 0);
 616       physic.set_velocity(0, 0);
 617       physic.enable_gravity(false);
 618       timer.start(WAITTIME);
 619     }
 620   else if(mode == FISH_WAIT && !timer.check())
 621     {
 622       // jump again
 623       set_sprite(img_fish, img_fish);
 624       mode = NORMAL;
 625       physic.set_velocity(0, JUMPV);
 626       physic.enable_gravity(true);
 627     }
 628
 629   physic.apply(elapsed_time, base.x, base.y);
 630   if(dying == DYING_NOT)
 631     collision_swept_object_map(&old_base, &base);
 632
 633   if(physic.get_velocity_y() < 0)
 634     set_sprite(img_fish_down, img_fish_down);
 635 }
 636
 637 void
 638 BadGuy::action_bouncingsnowball(double elapsed_time)
 639 {
 640   static const float JUMPV = 4.5;
 641
 642   fall();
 643
 644   // jump when on ground
 645   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 646     {
 647       physic.set_velocity_y(JUMPV);
 648       physic.enable_gravity(true);
 649     }
 650   else
 651     {
 652       mode = NORMAL;
 653     }
 654
 655   // check for right/left collisions
 656   check_horizontal_bump();
 657
 658   physic.apply(elapsed_time, base.x, base.y);
 659   if(dying == DYING_NOT)
 660     collision_swept_object_map(&old_base, &base);
 661
 662   // Handle dying timer:
 663   if (dying == DYING_SQUISHED && !timer.check())
 664     {
 665       /* Remove it if time's up: */
 666       remove_me();
 667       return;
 668     }
 669 }
 670
 671 void
 672 BadGuy::action_flyingsnowball(double elapsed_time)
 673 {
 674   static const float FLYINGSPEED = 1;
 675   static const int DIRCHANGETIME = 1000;
 676
 677   // go into flyup mode if none specified yet
 678   if(dying == DYING_NOT && mode == NORMAL) {
 679     mode = FLY_UP;
 680     physic.set_velocity_y(FLYINGSPEED);
 681     timer.start(DIRCHANGETIME/2);
 682   }
 683
 684   if(dying == DYING_NOT && !timer.check()) {
 685     if(mode == FLY_UP) {
 686       mode = FLY_DOWN;
 687       physic.set_velocity_y(-FLYINGSPEED);
 688     } else if(mode == FLY_DOWN) {
 689       mode = FLY_UP;
 690       physic.set_velocity_y(FLYINGSPEED);
 691     }
 692     timer.start(DIRCHANGETIME);
 693   }
 694
 695   if(dying != DYING_NOT)
 696     physic.enable_gravity(true);
 697
 698   physic.apply(elapsed_time, base.x, base.y);
 699   if(dying == DYING_NOT || dying == DYING_SQUISHED)
 700     collision_swept_object_map(&old_base, &base);
 701
 702   // Handle dying timer:
 703   if (dying == DYING_SQUISHED && !timer.check())
 704     {
 705       /* Remove it if time's up: */
 706       remove_me();
 707       return;
 708     }
 709 }
 710
 711 void
 712 BadGuy::action_spiky(double elapsed_time)
 713 {
 714   if(frozen_timer.check())
 715     {
 716     set_sprite(img_spiky_iced_left, img_spiky_iced_right);
 717     return;
 718     }
 719
 720   if (dying == DYING_NOT)
 721     check_horizontal_bump();
 722
 723   fall();
 724 #if 0
 725   // jump when we're about to fall
 726   if (physic.get_velocity_y() == 0 &&
 727           !issolid(base.x+base.width/2, base.y + base.height)) {
 728     physic.enable_gravity(true);
 729     physic.set_velocity_y(2);
 730   }
 731 #endif
 732
 733   physic.apply(elapsed_time, base.x, base.y);
 734   if (dying != DYING_FALLING)
 735     collision_swept_object_map(&old_base,&base);
 736 }
 737
 738 void
 739 BadGuy::action_snowball(double elapsed_time)
 740 {
 741   if (dying == DYING_NOT)
 742     check_horizontal_bump();
 743
 744   fall();
 745
 746   physic.apply(elapsed_time, base.x, base.y);
 747   if (dying != DYING_FALLING)
 748     collision_swept_object_map(&old_base,&base);
 749 }
 750
 751 void
 752 BadGuy::action(float elapsed_time)
 753 {
 754   float scroll_x = World::current()->camera->get_translation().x;
 755   float scroll_y = World::current()->camera->get_translation().y;
 756
 757   // BadGuy fall below the ground
 758   if (base.y > World::current()->get_level()->height * 32) {
 759     remove_me();
 760     return;
 761   }
 762
 763   // Kill us if we landed on spikes
 764   if (dying == DYING_NOT
 765       && (kind != BAD_STALACTITE && kind != BAD_FLAME && kind != BAD_BOMB)
 766       && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 767       ||  isspike(base.x, base.y + base.height)
 768       ||  isspike(base.x + base.width, base.y + base.height)))
 769       {
 770          physic.set_velocity_y(3);
 771          kill_me(0);
 772       }
 773
 774   // Once it's on screen, it's activated!
 775   if (base.x > scroll_x - X_OFFSCREEN_DISTANCE &&
 776        base.x < scroll_x + screen->w + X_OFFSCREEN_DISTANCE &&
 777        base.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
 778        base.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE)
 779     seen = true;
 780
 781   if(!seen)
 782     return;
 783
 784   switch (kind)
 785     {
 786     case BAD_MRICEBLOCK:
 787       action_mriceblock(elapsed_time);
 788       break;
 789
 790     case BAD_JUMPY:
 791       action_jumpy(elapsed_time);
 792       break;
 793
 794     case BAD_MRBOMB:
 795       action_mrbomb(elapsed_time);
 796       break;
 797
 798     case BAD_BOMB:
 799       action_bomb(elapsed_time);
 800       break;
 801
 802     case BAD_STALACTITE:
 803       action_stalactite(elapsed_time);
 804       break;
 805
 806     case BAD_FLAME:
 807       action_flame(elapsed_time);
 808       break;
 809
 810     case BAD_FISH:
 811       action_fish(elapsed_time);
 812       break;
 813
 814     case BAD_BOUNCINGSNOWBALL:
 815       action_bouncingsnowball(elapsed_time);
 816       break;
 817
 818     case BAD_FLYINGSNOWBALL:
 819       action_flyingsnowball(elapsed_time);
 820       break;
 821
 822     case BAD_SPIKY:
 823       action_spiky(elapsed_time);
 824       break;
 825
 826     case BAD_SNOWBALL:
 827       action_snowball(elapsed_time);
 828       break;
 829     default:
 830       break;
 831     }
 832 }
 833
 834 void
 835 BadGuy::draw(Camera& viewport, int)
 836 {
 837   float scroll_x = viewport.get_translation().x;
 838   float scroll_y = viewport.get_translation().y;
 839
 840   // Don't try to draw stuff that is outside of the screen
 841   if(base.x <= scroll_x - base.width || base.x >= scroll_x + screen->w)
 842     return;
 843
 844   if(sprite_left == 0 || sprite_right == 0)
 845     {
 846       return;
 847     }
 848
 849   Sprite* sprite = (dir == LEFT) ? sprite_left : sprite_right;
 850   sprite->draw(viewport.world2screen(Vector(base.x, base.y)));
 851
 852   if (debug_mode)
 853     fillrect(base.x - scroll_x, base.y - scroll_y, base.width, base.height, 75,0,75, 150);
 854 }
 855
 856 void
 857 BadGuy::set_sprite(Sprite* left, Sprite* right)
 858 {
 859   if (1)
 860     {
 861       base.width = 32;
 862       base.height = 32;
 863     }
 864   else
 865     {
 866       // FIXME: Using the image size for the physics and collision is
 867       // a bad idea, since images should always overlap there physical
 868       // representation
 869       if(left != 0) {
 870         if(base.width == 0 && base.height == 0) {
 871           base.width  = left->get_width();
 872           base.height = left->get_height();
 873         } else if(base.width != left->get_width() || base.height != left->get_height()) {
 874           base.x -= (left->get_width() - base.width) / 2;
 875           base.y -= left->get_height() - base.height;
 876           base.width = left->get_width();
 877           base.height = left->get_height();
 878           old_base = base;
 879         }
 880       } else {
 881         base.width = base.height = 0;
 882       }
 883     }
 884
 885   animation_offset = 0;
 886   sprite_left  = left;
 887   sprite_right = right;
 888 }
 889
 890 void
 891 BadGuy::bump()
 892 {
 893   // these can't be bumped
 894   if(kind == BAD_FLAME || kind == BAD_BOMB || kind == BAD_FISH
 895       || kind == BAD_FLYINGSNOWBALL)
 896     return;
 897
 898   physic.set_velocity_y(3);
 899   kill_me(25);
 900 }
 901
 902 void
 903 BadGuy::make_player_jump(Player* player)
 904 {
 905   player->physic.set_velocity_y(2);
 906   player->base.y = base.y - player->base.height - 2;
 907 }
 908
 909 void
 910 BadGuy::squish_me(Player* player)
 911 {
 912   make_player_jump(player);
 913
 914   World::current()->add_score(Vector(base.x, base.y),
 915                               50 * player_status.score_multiplier);
 916   play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 917   player_status.score_multiplier++;
 918
 919   dying = DYING_SQUISHED;
 920   timer.start(2000);
 921   physic.set_velocity(0, 0);
 922 }
 923
 924 void
 925 BadGuy::squish(Player* player)
 926 {
 927   static const int MAX_ICEBLOCK_SQUICHES = 10;
 928
 929   if(kind == BAD_MRBOMB) {
 930     // mrbomb transforms into a bomb now
 931     explode();
 932
 933     make_player_jump(player);
 934     World::current()->add_score(Vector(base.x, base.y),
 935                                 50 * player_status.score_multiplier);
 936     play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 937     player_status.score_multiplier++;
 938     return;
 939
 940   } else if (kind == BAD_MRICEBLOCK) {
 941     if (mode == NORMAL || mode == KICK)
 942       {
 943         /* Flatten! */
 944         play_sound(sounds[SND_STOMP], SOUND_CENTER_SPEAKER);
 945         mode = FLAT;
 946         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 947         physic.set_velocity_x(0);
 948
 949         timer.start(4000);
 950       } else if (mode == FLAT) {
 951         /* Kick! */
 952         play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
 953
 954         if (player->base.x < base.x + (base.width/2)) {
 955           physic.set_velocity_x(5);
 956           dir = RIGHT;
 957         } else {
 958           physic.set_velocity_x(-5);
 959           dir = LEFT;
 960         }
 961
 962         mode = KICK;
 963         player->kick_timer.start(KICKING_TIME);
 964         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 965       }
 966
 967     make_player_jump(player);
 968
 969     player_status.score_multiplier++;
 970
 971     // check for maximum number of squiches
 972     squishcount++;
 973     if(squishcount >= MAX_ICEBLOCK_SQUICHES) {
 974       kill_me(50);
 975       return;
 976     }
 977
 978     return;
 979   } else if(kind == BAD_FISH) {
 980     // fish can only be killed when falling down
 981     if(physic.get_velocity_y() >= 0)
 982       return;
 983
 984     make_player_jump(player);
 985
 986     World::current()->add_score(Vector(base.x, base.y),
 987                                 25 * player_status.score_multiplier);
 988     player_status.score_multiplier++;
 989
 990     // simply remove the fish...
 991     remove_me();
 992     return;
 993   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 994     squish_me(player);
 995     set_sprite(img_bouncingsnowball_squished,img_bouncingsnowball_squished);
 996     return;
 997   } else if(kind == BAD_FLYINGSNOWBALL) {
 998     squish_me(player);
 999     set_sprite(img_flyingsnowball_squished,img_flyingsnowball_squished);
1000     return;
1001   } else if(kind == BAD_SNOWBALL) {
1002     squish_me(player);
1003     set_sprite(img_snowball_squished_left, img_snowball_squished_right);
1004     return;
1005   }
1006 }
1007
1008 void
1009 BadGuy::kill_me(int score)
1010 {
1011   if(kind == BAD_BOMB)
1012     return;
1013
1014   dying = DYING_FALLING;
1015   if(kind == BAD_MRICEBLOCK) {
1016     set_sprite(img_mriceblock_falling_left, img_mriceblock_falling_right);
1017     if(mode == HELD) {
1018       mode = NORMAL;
1019       Player& tux = *World::current()->get_tux();
1020       tux.holding_something = false;
1021     }
1022   }
1023
1024   physic.enable_gravity(true);
1025
1026   /* Gain some points: */
1027   if (score != 0)
1028     World::current()->add_score(Vector(base.x, base.y),
1029                                 score * player_status.score_multiplier);
1030
1031   /* Play death sound: */
1032   play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
1033 }
1034
1035 void
1036 BadGuy::explode()
1037 {
1038   World::current()->add_bad_guy(base.x, base.y, BAD_BOMB);
1039   remove_me();
1040 }
1041
1042 void
1043 BadGuy::collision(const MovingObject&, int)
1044 {
1045   // later
1046 }
1047
1048 void
1049 BadGuy::collision(void *p_c_object, int c_object, CollisionType type)
1050 {
1051   BadGuy* pbad_c    = NULL;
1052   Bullet* pbullet_c = NULL;
1053
1054   if(type == COLLISION_BUMP) {
1055     bump();
1056     return;
1057   }
1058
1059   if(type == COLLISION_SQUISH) {
1060     Player* player = static_cast<Player*>(p_c_object);
1061     squish(player);
1062     return;
1063   }
1064
1065   /* COLLISION_NORMAL */
1066   switch (c_object)
1067     {
1068     case CO_BULLET:
1069       pbullet_c = (Bullet*) p_c_object;
1070
1071       if(pbullet_c->kind == FIRE_BULLET)
1072         {
1073         if (kind != BAD_BOMB && kind != BAD_STALACTITE && kind != BAD_FLAME)
1074           kill_me(10);
1075         }
1076       else if(pbullet_c->kind == ICE_BULLET)
1077         {
1078         //if(kind == BAD_FLAME)
1079         //  kill_me(10);
1080         //else
1081           frozen_timer.start(FROZEN_TIME);
1082         }
1083       break;
1084
1085     case CO_BADGUY:
1086       pbad_c = (BadGuy*) p_c_object;
1087
1088       /* If we're a kicked mriceblock, kill [almost] any badguys we hit */
1089       if(kind == BAD_MRICEBLOCK && mode == KICK &&
1090          kind != BAD_FLAME && kind != BAD_BOMB && kind != BAD_STALACTITE)
1091         {
1092           pbad_c->kill_me(25);
1093         }
1094
1095       // a held mriceblock kills the enemy too but falls to ground then
1096       else if(kind == BAD_MRICEBLOCK && mode == HELD)
1097         {
1098           pbad_c->kill_me(25);
1099           kill_me(0);
1100         }
1101
1102       /* Kill badguys that run into exploding bomb */
1103       else if (kind == BAD_BOMB && dying == DYING_NOT)
1104       {
1105         if (pbad_c->kind == BAD_MRBOMB)
1106         {
1107           // mrbomb transforms into a bomb now
1108           pbad_c->explode();
1109           return;
1110         }
1111         else if (pbad_c->kind != BAD_MRBOMB)
1112         {
1113           pbad_c->kill_me(50);
1114         }
1115       }
1116
1117       /* Kill any badguys that get hit by stalactite */
1118       else if (kind == BAD_STALACTITE && dying == DYING_NOT)
1119       {
1120         if (pbad_c->kind == BAD_MRBOMB)
1121         {
1122           // mrbomb transforms into a bomb now
1123           pbad_c->explode();
1124           return;
1125         }
1126         else
1127           pbad_c->kill_me(50);
1128       }
1129
1130       /* When enemies run into eachother, make them change directions */
1131       else
1132       {
1133         // Jumpy, fish, flame, stalactites are exceptions
1134         if (pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FLAME
1135             || pbad_c->kind == BAD_STALACTITE || pbad_c->kind == BAD_FISH)
1136           break;
1137
1138         // Bounce off of other badguy if we land on top of him
1139         if (base.y + base.height < pbad_c->base.y + pbad_c->base.height)
1140         {
1141           if (pbad_c->dir == LEFT)
1142           {
1143             dir = RIGHT;
1144             physic.set_velocity(fabsf(physic.get_velocity_x()), 2);
1145           }
1146           else if (pbad_c->dir == RIGHT)
1147           {
1148             dir = LEFT;
1149             physic.set_velocity(-fabsf(physic.get_velocity_x()), 2);
1150           }
1151
1152           break;
1153         }
1154         else if (base.y + base.height > pbad_c->base.y + pbad_c->base.height)
1155           break;
1156
1157         if (pbad_c->kind != BAD_FLAME)
1158           {
1159             if (dir == LEFT)
1160             {
1161               dir = RIGHT;
1162               physic.set_velocity_x(fabsf(physic.get_velocity_x()));
1163
1164               // in case badguys get "jammed"
1165               if (physic.get_velocity_x() != 0)
1166                 base.x = pbad_c->base.x + pbad_c->base.width;
1167             }
1168             else if (dir == RIGHT)
1169             {
1170               dir = LEFT;
1171               physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
1172             }
1173
1174           }
1175       }
1176
1177       break;
1178
1179     case CO_PLAYER:
1180       Player* player = static_cast<Player*>(p_c_object);
1181       /* Get kicked if were flat */
1182       if (mode == FLAT && !dying)
1183       {
1184         play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
1185
1186         // Hit from left side
1187         if (player->base.x < base.x) {
1188           physic.set_velocity_x(5);
1189           dir = RIGHT;
1190         }
1191         // Hit from right side
1192         else {
1193           physic.set_velocity_x(-5);
1194           dir = LEFT;
1195         }
1196
1197         mode = KICK;
1198         player->kick_timer.start(KICKING_TIME);
1199         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
1200       }
1201       break;
1202
1203     }
1204 }
1205
1206
1207 //---------------------------------------------------------------------------
1208
1209 void load_badguy_gfx()
1210 {
1211   img_mriceblock_flat_left = sprite_manager->load("mriceblock-flat-left");
1212   img_mriceblock_flat_right = sprite_manager->load("mriceblock-flat-right");
1213   img_mriceblock_falling_left = sprite_manager->load("mriceblock-falling-left");
1214   img_mriceblock_falling_right = sprite_manager->load("mriceblock-falling-right");
1215   img_mriceblock_left = sprite_manager->load("mriceblock-left");
1216   img_mriceblock_right = sprite_manager->load("mriceblock-right");
1217   img_jumpy_left_up = sprite_manager->load("jumpy-left-up");
1218   img_jumpy_left_down = sprite_manager->load("jumpy-left-down");
1219   img_jumpy_left_middle = sprite_manager->load("jumpy-left-middle");
1220   img_jumpy_left_iced = sprite_manager->load("jumpy-left-iced");
1221   img_mrbomb_left = sprite_manager->load("mrbomb-left");
1222   img_mrbomb_right = sprite_manager->load("mrbomb-right");
1223   img_mrbomb_iced_left = sprite_manager->load("mrbomb-iced-left");
1224   img_mrbomb_iced_right = sprite_manager->load("mrbomb-iced-right");
1225   img_mrbomb_ticking_left = sprite_manager->load("mrbomb-ticking-left");
1226   img_mrbomb_ticking_right = sprite_manager->load("mrbomb-ticking-right");
1227   img_mrbomb_explosion = sprite_manager->load("mrbomb-explosion");
1228   img_stalactite = sprite_manager->load("stalactite");
1229   img_stalactite_broken = sprite_manager->load("stalactite-broken");
1230   img_flame = sprite_manager->load("flame");
1231   img_fish = sprite_manager->load("fish");
1232   img_fish_down = sprite_manager->load("fish-down");
1233   img_fish_iced = sprite_manager->load("fish-iced");
1234   img_fish_iced_down = sprite_manager->load("fish-iced-down");
1235   img_bouncingsnowball_left = sprite_manager->load("bouncingsnowball-left");
1236   img_bouncingsnowball_right = sprite_manager->load("bouncingsnowball-right");
1237   img_bouncingsnowball_squished = sprite_manager->load("bouncingsnowball-squished");
1238   img_flyingsnowball = sprite_manager->load("flyingsnowball");
1239   img_flyingsnowball_squished = sprite_manager->load("flyingsnowball-squished");
1240   img_spiky_left = sprite_manager->load("spiky-left");
1241   img_spiky_right = sprite_manager->load("spiky-right");
1242   img_spiky_iced_left = sprite_manager->load("spiky-iced-left");
1243   img_spiky_iced_right = sprite_manager->load("spiky-iced-right");
1244   img_snowball_left = sprite_manager->load("snowball-left");
1245   img_snowball_right = sprite_manager->load("snowball-right");
1246   img_snowball_squished_left = sprite_manager->load("snowball-squished-left");
1247   img_snowball_squished_right = sprite_manager->load("snowball-squished-right");
1248 }
1249
1250 void free_badguy_gfx()
1251 {
1252 }
1253
1254 // EOF //