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 <cmath>
  25
  26 #include "app/globals.h"
  27 #include "defines.h"
  28 #include "special/sprite_manager.h"
  29 #include "utils/lispwriter.h"
  30 #include "badguy.h"
  31 #include "tile.h"
  32 #include "resources.h"
  33 #include "camera.h"
  34 #include "level.h"
  35 #include "sector.h"
  36 #include "tilemap.h"
  37 #include "statistics.h"
  38 #include "badguy_specs.h"
  39
  40 #define BADGUY_WALK_SPEED .8f
  41 #define WINGLING_FLY_SPEED 1.6f
  42
  43 BadGuyKind  badguykind_from_string(const std::string& str)
  44 {
  45   if (str == "jumpy" || str == "money") // was "money" in ancient versions
  46     return BAD_JUMPY;
  47   else if (str == "mriceblock" || str == "laptop") // was "laptop" in ancient versions
  48     return BAD_MRICEBLOCK;
  49   else if (str == "mrbomb")
  50     return BAD_MRBOMB;
  51   else if (str == "stalactite")
  52     return BAD_STALACTITE;
  53   else if (str == "flame")
  54     return BAD_FLAME;
  55   else if (str == "fish")
  56     return BAD_FISH;
  57   else if (str == "flamefish")
  58     return BAD_FLAMEFISH;
  59   else if (str == "bouncingsnowball")
  60     return BAD_BOUNCINGSNOWBALL;
  61   else if (str == "flyingsnowball")
  62     return BAD_FLYINGSNOWBALL;
  63   else if (str == "spiky")
  64     return BAD_SPIKY;
  65   else if (str == "snowball" || str == "bsod") // was "bsod" in ancient versions
  66     return BAD_SNOWBALL;
  67   else if (str == "wingling")
  68     return BAD_WINGLING;
  69   else if (str == "walkingtree")
  70     return BAD_WALKINGTREE;
  71   else if(str == "bomb")  // not to be used as a real bad guys
  72       return BAD_BOMB;
  73   else
  74     {
  75       return BAD_INVALID;
  76     }
  77 }
  78
  79 std::string badguykind_to_string(BadGuyKind kind)
  80 {
  81   switch(kind)
  82     {
  83     case BAD_JUMPY:
  84       return "jumpy";
  85       break;
  86     case BAD_MRICEBLOCK:
  87       return "mriceblock";
  88       break;
  89     case BAD_MRBOMB:
  90       return "mrbomb";
  91       break;
  92     case BAD_STALACTITE:
  93       return "stalactite";
  94       break;
  95     case BAD_FLAME:
  96       return "flame";
  97       break;
  98     case BAD_FISH:
  99       return "fish";
 100       break;
 101     case BAD_FLAMEFISH:
 102       return "flamefish";
 103       break;
 104     case BAD_BOUNCINGSNOWBALL:
 105       return "bouncingsnowball";
 106       break;
 107     case BAD_FLYINGSNOWBALL:
 108       return "flyingsnowball";
 109       break;
 110     case BAD_SPIKY:
 111       return "spiky";
 112       break;
 113     case BAD_SNOWBALL:
 114       return "snowball";
 115       break;
 116     case BAD_WINGLING:
 117       return "wingling";
 118       break;
 119     case BAD_WALKINGTREE:
 120       return "walkingtree";
 121     case BAD_BOMB:  // not to be used as a real bad guys
 122       return "bomb";
 123       break;
 124     default:
 125       return "snowball";
 126     }
 127 }
 128
 129 BadGuy::BadGuy(BadGuyKind kind_, LispReader& lispreader)
 130   : removable(false), squishcount(0)
 131 {
 132   lispreader.read_float("x", start_position.x);
 133   lispreader.read_float("y", start_position.y);
 134
 135   kind     = kind_;
 136
 137   stay_on_platform = false;
 138   lispreader.read_bool("stay-on-platform", stay_on_platform);
 139
 140   init();
 141 }
 142
 143 BadGuy::BadGuy(BadGuyKind kind_, float x, float y)
 144   : removable(false), squishcount(0)
 145 {
 146   start_position.x = x;
 147   start_position.y = y;
 148   stay_on_platform = false;
 149
 150   kind     = kind_;
 151
 152   init();
 153 }
 154
 155 BadGuy::~BadGuy()
 156 {
 157 }
 158
 159 void
 160 BadGuy::init()
 161 {
 162   base.x = 0;
 163   base.y = 0;
 164   base.width  = 0;
 165   base.height = 0;
 166
 167   mode     = NORMAL;
 168   dying    = DYING_NOT;
 169   old_base = base;
 170   dir      = LEFT;
 171   seen     = false;
 172   animation_offset = 0;
 173   target.x = target.y = -1;
 174   physic.reset();
 175   frozen_timer.init(true);
 176   timer.init(true);
 177
 178   specs = badguyspecs_manager->load(badguykind_to_string(kind));
 179
 180   set_action("hide", "hide");
 181
 182   // if we're in a solid tile at start correct that now
 183   if(Sector::current()) {
 184   if(kind != BAD_FLAME && kind != BAD_FISH && kind != BAD_FLAMEFISH && collision_object_map(base))
 185     {
 186       std::cout << "Warning: badguy started in wall: kind: " << badguykind_to_string(kind)
 187                 << " pos: (" << base.x << ", " << base.y << ")" << std::endl;
 188       while(collision_object_map(base))
 189         --base.y;
 190     }
 191
 192   if(Sector::current()->camera) {
 193     Vector scroll = Sector::current()->camera->get_translation();
 194
 195     if(start_position.x > scroll.x - X_OFFSCREEN_DISTANCE &&
 196         start_position.x < scroll.x + screen->w + X_OFFSCREEN_DISTANCE &&
 197         start_position.y > scroll.y - Y_OFFSCREEN_DISTANCE &&
 198         start_position.y < scroll.y + screen->h + Y_OFFSCREEN_DISTANCE) {
 199       activate(LEFT);
 200     }
 201   } } else {
 202     if(start_position.x >= 0 && start_position.x < screen->w
 203         && start_position.y >= 0 && start_position.y < screen->h)
 204       activate(LEFT);
 205   }
 206 }
 207
 208 void
 209 BadGuy::write(LispWriter& writer)
 210 {
 211   writer.start_list(badguykind_to_string(kind));
 212
 213   writer.write_float("x", base.x);
 214   writer.write_float("y", base.y);
 215   writer.write_bool("stay-on-platform", stay_on_platform);
 216
 217   writer.end_list(badguykind_to_string(kind));
 218 }
 219
 220 void
 221 BadGuy::activate(Direction activation_dir)
 222 {
 223   mode     = NORMAL;
 224   animation_offset = 0;
 225   target.x = target.y = -1;
 226   physic.reset();
 227   frozen_timer.init(true);
 228   timer.init(true);
 229
 230   dir = activation_dir;
 231   float dirsign = activation_dir == LEFT ? -1 : 1;
 232
 233   set_action("left", "right");
 234   if(kind == BAD_MRBOMB) {
 235     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 236   } else if (kind == BAD_MRICEBLOCK) {
 237     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 238   } else if(kind == BAD_JUMPY) {
 239     set_action("left-up", "right-up");
 240   } else if(kind == BAD_BOMB) {
 241     set_action("ticking-left", "ticking-right");
 242     // hack so that the bomb doesn't hurt until it expldes...
 243     dying = DYING_SQUISHED;
 244   } else if(kind == BAD_FLAME) {
 245     angle = 0;
 246     physic.enable_gravity(false);
 247     set_action("normal", "normal");
 248   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 249     physic.set_velocity(dirsign * 1.3, 0);
 250   } else if(kind == BAD_STALACTITE) {
 251     physic.enable_gravity(false);
 252     set_action("normal", "normal");
 253   } else if(kind == BAD_FISH) {
 254     set_action("normal", "normal");
 255     physic.enable_gravity(true);
 256   } else if(kind == BAD_FLAMEFISH) {
 257     set_action("normal", "normal");
 258     physic.enable_gravity(true);
 259   } else if(kind == BAD_FLYINGSNOWBALL) {
 260     physic.enable_gravity(false);
 261   } else if(kind == BAD_SPIKY) {
 262     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 263   } else if(kind == BAD_SNOWBALL) {
 264     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 265   } else if(kind == BAD_WINGLING) {
 266     physic.set_velocity(dirsign * WINGLING_FLY_SPEED, 0);
 267     physic.enable_gravity(false);
 268     set_action("left", "left");
 269   } else if (kind == BAD_WALKINGTREE) {
 270     // TODO: why isn't the height/width being set properly in set_action?
 271     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 272     mode = BGM_BIG;
 273     set_action("left", "left");
 274     base.width = 66;
 275     base.height = 66;
 276   }
 277
 278   base.x = start_position.x;
 279   base.y = start_position.y;
 280   old_base = base;
 281   seen = true;
 282 }
 283
 284 Surface*
 285 BadGuy::get_image()
 286 {
 287 // Set action as the "default" one.
 288 specs->sprite->set_action("left");
 289 if(BAD_JUMPY)
 290   specs->sprite->set_action("left-up");
 291 else if(kind == BAD_BOMB)
 292   specs->sprite->set_action("ticking-left");
 293 else if(kind == BAD_FLAME)
 294   specs->sprite->set_action("normal");
 295 else if(kind == BAD_STALACTITE)
 296   specs->sprite->set_action("normal");
 297 else if(kind == BAD_FISH)
 298   specs->sprite->set_action("normal");
 299 else if(kind == BAD_FLAMEFISH)
 300   specs->sprite->set_action("normal");
 301
 302 return specs->sprite->get_frame(0);
 303 }
 304
 305 void
 306 BadGuy::action_mriceblock(double elapsed_time)
 307 {
 308   Player& tux = *Sector::current()->player;
 309
 310   if(mode != HELD)
 311     fall();
 312
 313   /* Move left/right: */
 314   if (mode != HELD)
 315     {
 316       // move
 317       physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 318       if (dying != DYING_FALLING)
 319         collision_swept_object_map(&old_base,&base);
 320     }
 321   else if (mode == HELD)
 322     { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 323       /* If we're holding the iceblock */
 324       dir = tux.dir;
 325       if(tux.size == SMALL)
 326         {
 327         if(dir == RIGHT)
 328           base.x = tux.base.x + 24;
 329         else // dir == LEFT
 330           base.x = tux.base.x - 12;
 331         base.y = tux.base.y + tux.base.height/1.5 - base.height;
 332         }
 333       else // TUX == BIG
 334         {
 335         if(dir == RIGHT)
 336           base.x = tux.base.x + 24;
 337         else // dir == LEFT
 338           base.x = tux.base.x - 4;
 339         base.y = tux.base.y + tux.base.height/1.5 - base.height;
 340         }
 341
 342       if(collision_object_map(base))
 343         {
 344           base.x = tux.base.x;
 345           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 346         }
 347
 348       if(tux.input.fire != DOWN) /* SHOOT! */
 349         {
 350           if(dir == LEFT)
 351             base.x = tux.base.x - base.width;
 352           else
 353             base.x = tux.base.x + tux.base.width;
 354           old_base = base;
 355
 356           mode=KICK;
 357           tux.kick_timer.start(KICKING_TIME);
 358           set_action("flat-left", "flat-right");
 359           physic.set_velocity_x((dir == LEFT) ? -3.5 : 3.5);
 360           SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
 361         }
 362     }
 363
 364   if (!dying)
 365     {
 366       int changed = dir;
 367       check_horizontal_bump();
 368       if(mode == KICK && changed != dir)
 369         {
 370           SoundManager::get()->play_sound(IDToSound(SND_RICOCHET), get_pos(), Sector::current()->player->get_pos());
 371         }
 372     }
 373
 374   /* Handle mode timer: */
 375   if (mode == FLAT)
 376     {
 377       if(!timer.check())
 378         {
 379           mode = NORMAL;
 380           set_action("left", "right");
 381           physic.set_velocity( (dir == LEFT) ? -.8 : .8, 0);
 382         }
 383     }
 384 }
 385
 386 void
 387 BadGuy::check_horizontal_bump(bool checkcliff)
 388 {
 389     float halfheight = base.height / 2;
 390     if (dir == LEFT && issolid( base.x, base.y + halfheight))
 391     {
 392         if (kind == BAD_MRICEBLOCK && mode == KICK)
 393             {
 394             Sector::current()->trybreakbrick(Vector(base.x, base.y + halfheight), false);
 395             Sector::current()->tryemptybox(Vector(base.x, base.y + halfheight), dir);
 396             }
 397
 398         dir = RIGHT;
 399         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 400         return;
 401     }
 402     if (dir == RIGHT && issolid( base.x + base.width, base.y + halfheight))
 403     {
 404         if (kind == BAD_MRICEBLOCK && mode == KICK)
 405             {
 406             Sector::current()->trybreakbrick(
 407                 Vector(base.x + base.width, base.y + halfheight), false);
 408             Sector::current()->tryemptybox(
 409                 Vector(base.x + base.width, base.y + halfheight), dir);
 410             }
 411
 412         dir = LEFT;
 413         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 414         return;
 415     }
 416
 417     // don't check for cliffs when we're falling
 418     if(!checkcliff)
 419         return;
 420     if(!issolid(base.x + base.width/2, base.y + base.height))
 421         return;
 422
 423     if(dir == LEFT && !issolid(base.x, (int) base.y + base.height + halfheight))
 424     {
 425         dir = RIGHT;
 426         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 427         return;
 428     }
 429     if(dir == RIGHT && !issolid(base.x + base.width,
 430                 (int) base.y + base.height + halfheight))
 431     {
 432         dir = LEFT;
 433         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 434         return;
 435     }
 436 }
 437
 438 void
 439 BadGuy::fall()
 440 {
 441   /* Fall if we get off the ground: */
 442   if (dying != DYING_FALLING)
 443     {
 444       if (!issolid(base.x+base.width/2, base.y + base.height))
 445         {
 446           // not solid below us? enable gravity
 447           physic.enable_gravity(true);
 448         }
 449       else
 450         {
 451           /* Land: */
 452           if (physic.get_velocity_y() < 0)
 453             {
 454               base.y = int((base.y + base.height)/32) * 32 - base.height;
 455               physic.set_velocity_y(0);
 456             }
 457           // no gravity anymore please
 458           physic.enable_gravity(false);
 459
 460           if (stay_on_platform && mode == NORMAL)
 461             {
 462               if (!issolid(base.x + ((dir == LEFT) ? 0 : base.width),
 463                            base.y + base.height))
 464                 {
 465                   if (dir == LEFT)
 466                   {
 467                     dir = RIGHT;
 468                     physic.set_velocity_x(fabsf(physic.get_velocity_x()));
 469                   }
 470                   else
 471                   {
 472                     dir = LEFT;
 473                     physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
 474                   }
 475                 }
 476             }
 477         }
 478     }
 479   else
 480     {
 481       physic.enable_gravity(true);
 482     }
 483 }
 484
 485 void
 486 BadGuy::action_jumpy(double elapsed_time)
 487 {
 488   if(frozen_timer.check())
 489     {
 490     set_action("left-iced", "right-iced");
 491     return;
 492     }
 493
 494   const float vy = physic.get_velocity_y();
 495
 496   // XXX: These tests *should* use location from ground, not velocity
 497   if (fabsf(vy) > 5.6f)
 498     set_action("left-down", "right-down");
 499   else if (fabsf(vy) > 5.3f)
 500     set_action("left-middle", "right-middle");
 501   else
 502     set_action("left-up", "right-up");
 503
 504   Player& tux = *Sector::current()->player;
 505
 506   static const float JUMPV = 6;
 507
 508   fall();
 509   // jump when on ground
 510   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 511     {
 512       physic.set_velocity_y(JUMPV);
 513       physic.enable_gravity(true);
 514
 515       mode = JUMPY_JUMP;
 516     }
 517   else if(mode == JUMPY_JUMP)
 518     {
 519       mode = NORMAL;
 520     }
 521
 522   // set direction based on tux
 523   if(tux.base.x > base.x)
 524     dir = RIGHT;
 525   else
 526     dir = LEFT;
 527
 528   // move
 529   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 530   if(dying == DYING_NOT)
 531     collision_swept_object_map(&old_base, &base);
 532 }
 533
 534 void
 535 BadGuy::action_mrbomb(double elapsed_time)
 536 {
 537   if(frozen_timer.check())
 538     {
 539     set_action("iced-left", "iced-right");
 540     return;
 541     }
 542
 543   if (dying == DYING_NOT)
 544     check_horizontal_bump(true);
 545
 546   fall();
 547
 548   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 549   if (dying != DYING_FALLING)
 550     collision_swept_object_map(&old_base,&base);
 551 }
 552
 553 void
 554 BadGuy::action_bomb(double elapsed_time)
 555 {
 556   static const int TICKINGTIME = 1000;
 557   static const int EXPLODETIME = 1000;
 558
 559   fall();
 560
 561   if(mode == NORMAL) {
 562     mode = BOMB_TICKING;
 563     timer.start(TICKINGTIME);
 564   } else if(!timer.check()) {
 565     if(mode == BOMB_TICKING) {
 566       mode = BOMB_EXPLODE;
 567       set_action("explosion", "explosion");
 568       dying = DYING_NOT; // now the bomb hurts
 569       timer.start(EXPLODETIME);
 570
 571       SoundManager::get()->play_sound(IDToSound(SND_EXPLODE), this, Sector::current()->player->get_pos());
 572     } else if(mode == BOMB_EXPLODE) {
 573       remove_me();
 574       return;
 575     }
 576   }
 577
 578   // move
 579   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 580   collision_swept_object_map(&old_base,&base);
 581 }
 582
 583 void
 584 BadGuy::action_stalactite(double elapsed_time)
 585 {
 586   Player& tux = *Sector::current()->player;
 587
 588   static const int SHAKETIME = 800;
 589   static const int RANGE = 40;
 590
 591   if(mode == NORMAL) {
 592     // start shaking when tux is below the stalactite and at least 40 pixels
 593     // near
 594     if(tux.base.x + 32 > base.x - RANGE && tux.base.x < base.x + 32 + RANGE
 595             && tux.base.y + tux.base.height > base.y
 596             && tux.dying == DYING_NOT) {
 597       timer.start(SHAKETIME);
 598       mode = STALACTITE_SHAKING;
 599     }
 600   } if(mode == STALACTITE_SHAKING) {
 601     base.x = old_base.x + (rand() % 6) - 3; // TODO this could be done nicer...
 602     if(!timer.check()) {
 603       mode = STALACTITE_FALL;
 604     }
 605   } else if(mode == STALACTITE_FALL) {
 606     fall();
 607     /* Destroy if we collides with land */
 608     if(issolid(base.x+base.width/2, base.y+base.height))
 609     {
 610       timer.start(2000);
 611       dying = DYING_SQUISHED;
 612       mode = FLAT;
 613       set_action("broken", "broken");
 614     }
 615   } else if(mode == FLAT) {
 616     fall();
 617   }
 618
 619   // move
 620   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 621
 622   if(dying == DYING_SQUISHED && !timer.check())
 623     remove_me();
 624 }
 625
 626 void
 627 BadGuy::action_flame(double elapsed_time)
 628 {
 629     static const float radius = 100;
 630     static const float speed = 0.02;
 631     base.x = old_base.x + cos(angle) * radius;
 632     base.y = old_base.y + sin(angle) * radius;
 633
 634     angle = fmodf(angle + elapsed_time * speed, 2*M_PI);
 635 }
 636
 637 void
 638 BadGuy::action_fish(double elapsed_time)
 639 {
 640   if(frozen_timer.check())
 641     {
 642     if(physic.get_velocity_y() < 0)
 643       set_action("iced-down", "iced-down");
 644     else
 645       set_action("iced", "iced");
 646
 647     return;
 648     }
 649
 650   static const float JUMPV = 6;
 651   static const int WAITTIME = 1000;
 652
 653   // go in wait mode when back in water
 654   if(dying == DYING_NOT
 655       && gettile(base.x, base.y + base.height)
 656       && gettile(base.x, base.y + base.height)->attributes & Tile::WATER
 657       && physic.get_velocity_y() <= 0 && mode == NORMAL)
 658     {
 659       mode = FISH_WAIT;
 660       set_action("hide", "hide");
 661       physic.set_velocity(0, 0);
 662       physic.enable_gravity(false);
 663       timer.start(WAITTIME);
 664     }
 665   else if(mode == FISH_WAIT && !timer.check())
 666     {
 667       // jump again
 668       set_action("normal", "normal");
 669       mode = NORMAL;
 670       physic.set_velocity(0, JUMPV);
 671       physic.enable_gravity(true);
 672     }
 673
 674   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 675   if(dying == DYING_NOT)
 676     collision_swept_object_map(&old_base, &base);
 677
 678   if(physic.get_velocity_y() < 0)
 679     {
 680       set_action("down", "down");
 681     }
 682 }
 683
 684 void
 685 BadGuy::action_bouncingsnowball(double elapsed_time)
 686 {
 687   static const float JUMPV = 4.5;
 688
 689   fall();
 690
 691   // jump when on ground
 692   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 693     {
 694       physic.set_velocity_y(JUMPV);
 695       physic.enable_gravity(true);
 696     }
 697   else
 698     {
 699       mode = NORMAL;
 700     }
 701
 702   // check for right/left collisions
 703   check_horizontal_bump();
 704
 705   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 706   if(dying == DYING_NOT)
 707     collision_swept_object_map(&old_base, &base);
 708
 709   // Handle dying timer:
 710   if (dying == DYING_SQUISHED && !timer.check())
 711     remove_me();
 712 }
 713
 714 void
 715 BadGuy::action_flyingsnowball(double elapsed_time)
 716 {
 717   static const float FLYINGSPEED = 1;
 718   static const int DIRCHANGETIME = 1000;
 719
 720   // go into flyup mode if none specified yet
 721   if(dying == DYING_NOT && mode == NORMAL) {
 722     mode = FLY_UP;
 723     physic.set_velocity_y(FLYINGSPEED);
 724     timer.start(DIRCHANGETIME/2);
 725   }
 726
 727   if(dying == DYING_NOT && !timer.check()) {
 728     if(mode == FLY_UP) {
 729       mode = FLY_DOWN;
 730       physic.set_velocity_y(-FLYINGSPEED);
 731     } else if(mode == FLY_DOWN) {
 732       mode = FLY_UP;
 733       physic.set_velocity_y(FLYINGSPEED);
 734     }
 735     timer.start(DIRCHANGETIME);
 736   }
 737
 738   if(dying != DYING_NOT)
 739     physic.enable_gravity(true);
 740
 741   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 742   if(dying == DYING_NOT || dying == DYING_SQUISHED)
 743     collision_swept_object_map(&old_base, &base);
 744
 745   // set direction based on tux
 746   if(Sector::current()->player->base.x > base.x)
 747     dir = RIGHT;
 748   else
 749     dir = LEFT;
 750
 751   // Handle dying timer:
 752   if (dying == DYING_SQUISHED && !timer.check())
 753     remove_me();
 754 }
 755
 756 void
 757 BadGuy::action_spiky(double elapsed_time)
 758 {
 759   if(frozen_timer.check())
 760     {
 761     set_action("iced-left", "iced-right");
 762     return;
 763     }
 764
 765   if (dying == DYING_NOT)
 766     check_horizontal_bump();
 767
 768   fall();
 769 #if 0
 770   // jump when we're about to fall
 771   if (physic.get_velocity_y() == 0 &&
 772           !issolid(base.x+base.width/2, base.y + base.height)) {
 773     physic.enable_gravity(true);
 774     physic.set_velocity_y(2);
 775   }
 776 #endif
 777
 778   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 779   if (dying != DYING_FALLING)
 780     collision_swept_object_map(&old_base,&base);
 781 }
 782
 783 void
 784 BadGuy::action_snowball(double elapsed_time)
 785 {
 786   if (dying == DYING_NOT)
 787     check_horizontal_bump();
 788
 789   fall();
 790
 791   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 792   if (dying != DYING_FALLING)
 793     collision_swept_object_map(&old_base,&base);
 794
 795   // Handle dying timer:
 796   if (dying == DYING_SQUISHED && !timer.check())
 797     remove_me();
 798 }
 799
 800 void
 801 BadGuy::action_wingling(double elapsed_time)
 802 {
 803   if (dying != DYING_NOT)
 804     physic.enable_gravity(true);
 805   else
 806   {
 807     Player& tux = *Sector::current()->player;
 808     int dirsign = physic.get_velocity_x() < 0 ? -1 : 1;
 809
 810     if (fabsf(tux.base.x - base.x) < 150 && base.y < tux.base.y && tux.dying == DYING_NOT)
 811     {
 812       if (target.x < 0 && target.y < 0)
 813       {
 814         target.x = tux.base.x;
 815         target.y = tux.base.y;
 816         physic.set_velocity(dirsign * 1.5f, -2.25f);
 817       }
 818     }
 819     else if (base.y >= target.y - 16)
 820       physic.set_velocity(dirsign * WINGLING_FLY_SPEED, 0);
 821   }
 822
 823   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 824
 825
 826   // Handle dying timer:
 827   if (dying == DYING_SQUISHED && !timer.check())
 828     remove_me();
 829
 830   // TODO: Winglings should be removed after flying off the screen
 831 }
 832
 833 void
 834 BadGuy::action_walkingtree(double elapsed_time)
 835 {
 836   if (dying == DYING_NOT)
 837     check_horizontal_bump();
 838
 839   fall();
 840
 841   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 842   if (dying != DYING_FALLING)
 843     collision_swept_object_map(&old_base,&base);
 844
 845   // Handle dying timer:
 846   if (dying == DYING_SQUISHED && !timer.check())
 847     remove_me();
 848 }
 849
 850 void
 851 BadGuy::action(float elapsed_time)
 852 {
 853   float scroll_x = Sector::current()->camera->get_translation().x;
 854   float scroll_y = Sector::current()->camera->get_translation().y;
 855
 856   // BadGuy fall below the ground
 857   if (base.y > Sector::current()->solids->get_height() * 32) {
 858     remove_me();
 859     return;
 860   }
 861
 862   // Kill us if we landed on spikes
 863   if (dying == DYING_NOT
 864       && (kind != BAD_STALACTITE && kind != BAD_FLAME && kind != BAD_BOMB)
 865       && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 866       ||  isspike(base.x, base.y + base.height)
 867       ||  isspike(base.x + base.width, base.y + base.height)))
 868       {
 869          physic.set_velocity_y(3);
 870          kill_me(0);
 871       }
 872
 873   if(!seen) {
 874     /* activate badguys if they're just inside the offscreen_distance around the
 875      * screen. Don't activate them inside the screen, since that might have the
 876      * effect of badguys suddenly popping up from nowhere
 877      */
 878     if (start_position.x > scroll_x - X_OFFSCREEN_DISTANCE &&
 879         start_position.x < scroll_x - base.width)
 880       activate(RIGHT);
 881     else if(start_position.x > scroll_y - Y_OFFSCREEN_DISTANCE &&
 882         start_position.y < scroll_y - base.height)
 883       activate(LEFT);
 884     else if(start_position.x > scroll_x + screen->w &&
 885         start_position.x < scroll_x + screen->w + X_OFFSCREEN_DISTANCE)
 886       activate(LEFT);
 887     else if(start_position.y > scroll_y + screen->h &&
 888         start_position.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE)
 889       activate(LEFT);
 890   } else {
 891     if(base.x + base.width < scroll_x - X_OFFSCREEN_DISTANCE*4
 892       || base.x > scroll_x + screen->w + X_OFFSCREEN_DISTANCE*4
 893       || base.y + base.height < scroll_y - Y_OFFSCREEN_DISTANCE*4
 894       || base.y > scroll_y + screen->h + Y_OFFSCREEN_DISTANCE*4) {
 895       seen = false;
 896       if(dying != DYING_NOT)
 897         remove_me();
 898     }
 899   }
 900
 901   if(!seen)
 902     return;
 903
 904   switch (kind)
 905     {
 906     case BAD_MRICEBLOCK:
 907       action_mriceblock(elapsed_time);
 908       break;
 909
 910     case BAD_JUMPY:
 911       action_jumpy(elapsed_time);
 912       break;
 913
 914     case BAD_MRBOMB:
 915       action_mrbomb(elapsed_time);
 916       break;
 917
 918     case BAD_BOMB:
 919       action_bomb(elapsed_time);
 920       break;
 921
 922     case BAD_STALACTITE:
 923       action_stalactite(elapsed_time);
 924       break;
 925
 926     case BAD_FLAME:
 927       action_flame(elapsed_time);
 928       break;
 929
 930     case BAD_FISH:
 931     case BAD_FLAMEFISH:
 932       action_fish(elapsed_time);
 933       break;
 934
 935     case BAD_BOUNCINGSNOWBALL:
 936       action_bouncingsnowball(elapsed_time);
 937       break;
 938
 939     case BAD_FLYINGSNOWBALL:
 940       action_flyingsnowball(elapsed_time);
 941       break;
 942
 943     case BAD_SPIKY:
 944       action_spiky(elapsed_time);
 945       break;
 946
 947     case BAD_SNOWBALL:
 948       action_snowball(elapsed_time);
 949       break;
 950
 951     case BAD_WINGLING:
 952       action_wingling(elapsed_time);
 953       break;
 954
 955     case BAD_WALKINGTREE:
 956       action_walkingtree(elapsed_time);
 957       break;
 958
 959     default:
 960       break;
 961     }
 962 }
 963
 964 void
 965 BadGuy::draw(DrawingContext& context)
 966 {
 967   if((dir == LEFT && action_left == "hide") ||
 968      (dir == RIGHT && action_right == "hide"))
 969     return;
 970
 971   if(dir == LEFT)
 972     specs->sprite->set_action(action_left);
 973   else  // if(dir == RIGHT)
 974     specs->sprite->set_action(action_right);
 975
 976   if(dying == DYING_FALLING && physic.get_velocity_y() < 0)
 977     specs->sprite->draw(context, Vector(base.x, base.y), LAYER_FOREGROUNDTILES+1, VERTICAL_FLIP);
 978   else
 979     specs->sprite->draw(context, Vector(base.x, base.y), LAYER_OBJECTS);
 980
 981   if(debug_mode)
 982     context.draw_filled_rect(Vector(base.x, base.y),
 983         Vector(base.width, base.height), Color(75,0,75, 150), LAYER_OBJECTS+1);
 984 }
 985
 986 void
 987 BadGuy::set_action(std::string left, std::string right)
 988 {
 989   base.width = 32;
 990   base.height = 32;
 991
 992   action_left = left;
 993   action_right = right;
 994
 995 #if 0
 996   if (1)
 997     {
 998       base.width = 32;
 999       base.height = 32;
1000     }
1001   else
1002     {
1003       // FIXME: Using the image size for the physics and collision is
1004       // a bad idea, since images should always overlap there physical
1005       // representation
1006       if(left != 0) {
1007         if(base.width == 0 && base.height == 0) {
1008           base.width  = left->get_width();
1009           base.height = left->get_height();
1010         } else if(base.width != left->get_width() || base.height != left->get_height()) {
1011           base.x -= (left->get_width() - base.width) / 2;
1012           base.y -= left->get_height() - base.height;
1013           base.width = left->get_width();
1014           base.height = left->get_height();
1015           old_base = base;
1016         }
1017       } else {
1018         base.width = base.height = 0;
1019       }
1020     }
1021
1022   animation_offset = 0;
1023   sprite_left  = left;
1024   sprite_right = right;
1025 #endif
1026 }
1027
1028 void
1029 BadGuy::bump()
1030 {
1031   // these can't be bumped
1032   if(kind == BAD_FLAME || kind == BAD_BOMB || kind == BAD_FISH
1033       || kind == BAD_FLAMEFISH || kind == BAD_FLYINGSNOWBALL)
1034     return;
1035
1036   physic.set_velocity_y(3);
1037   kill_me(25);
1038 }
1039
1040 void
1041 BadGuy::squish_me(Player* player)
1042 {
1043   player->bounce(this);
1044
1045   Sector::current()->add_score(Vector(base.x, base.y),
1046                               25 * player_status.score_multiplier);
1047
1048   SoundManager::get()->play_sound(IDToSound(SND_SQUISH), get_pos(), Sector::current()->player->get_pos());
1049   player_status.score_multiplier++;
1050
1051   dying = DYING_SQUISHED;
1052   timer.start(2000);
1053   physic.set_velocity(0, 0);
1054 }
1055
1056 void
1057 BadGuy::squish(Player* player)
1058 {
1059   static const int MAX_ICEBLOCK_SQUICHES = 10;
1060
1061   if(kind == BAD_MRBOMB) {
1062     // mrbomb transforms into a bomb now
1063     explode(false);
1064
1065     player->bounce(this);
1066     Sector::current()->add_score(Vector(base.x, base.y),
1067                                 25 * player_status.score_multiplier);
1068     SoundManager::get()->play_sound(IDToSound(SND_SQUISH), get_pos(), Sector::current()->player->get_pos());
1069
1070     player_status.score_multiplier++;
1071     return;
1072
1073   } else if (kind == BAD_MRICEBLOCK) {
1074     if (mode == NORMAL || mode == KICK)
1075       {
1076         /* Flatten! */
1077         SoundManager::get()->play_sound(IDToSound(SND_STOMP), get_pos(), Sector::current()->player->get_pos());
1078         mode = FLAT;
1079         set_action("flat-left", "flat-right");
1080         physic.set_velocity_x(0);
1081
1082         timer.start(4000);
1083       } else if (mode == FLAT) {
1084         /* Kick! */
1085         SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
1086
1087         if (player->base.x < base.x + (base.width/2)) {
1088           physic.set_velocity_x(5);
1089           dir = RIGHT;
1090         } else {
1091           physic.set_velocity_x(-5);
1092           dir = LEFT;
1093         }
1094
1095         mode = KICK;
1096         player->kick_timer.start(KICKING_TIME);
1097         set_action("flat-left", "flat-right");
1098       }
1099
1100     player->bounce(this);
1101
1102     player_status.score_multiplier++;
1103
1104     // check for maximum number of squishes
1105     squishcount++;
1106     if(squishcount >= MAX_ICEBLOCK_SQUICHES) {
1107       kill_me(50);
1108       return;
1109     }
1110
1111     return;
1112   } else if(kind == BAD_FISH || kind == BAD_FLAMEFISH) {
1113     // fish can only be killed when falling down
1114     if(physic.get_velocity_y() >= 0)
1115       return;
1116
1117     player->bounce(this);
1118
1119     Sector::current()->add_score(Vector(base.x, base.y),
1120                                 25 * player_status.score_multiplier);
1121
1122     player_status.score_multiplier++;
1123
1124     // simply remove the fish...
1125     remove_me();
1126     return;
1127   } else if(kind == BAD_BOUNCINGSNOWBALL) {
1128     squish_me(player);
1129     set_action("squished", "squished");
1130     return;
1131   } else if(kind == BAD_FLYINGSNOWBALL) {
1132     squish_me(player);
1133     set_action("squished-left", "squished-right");
1134     return;
1135   } else if(kind == BAD_SNOWBALL) {
1136     squish_me(player);
1137     set_action("squished-left", "squished-right");
1138     return;
1139   } else if(kind == BAD_WINGLING) {
1140     squish_me(player);
1141     set_action("left", "right");
1142   } else if(kind == BAD_WALKINGTREE) {
1143     if (mode == BGM_BIG)
1144     {
1145       set_action("left-small", "left-small");
1146       physic.set_velocity_x(physic.get_velocity_x() * 2.0f);
1147
1148       /* Move to the player's direction */
1149       if(dir != Sector::current()->player->dir)
1150         physic.set_velocity_x(-physic.get_velocity_x());
1151       dir = Sector::current()->player->dir;
1152
1153       // XXX magic number: 66 is BGM_BIG height
1154
1155       player->bounce(this);
1156       base.y += 66 - base.height;
1157
1158       Sector::current()->add_score(Vector(base.x, base.y),
1159                                 25 * player_status.score_multiplier);
1160       player_status.score_multiplier++;
1161
1162       mode = BGM_SMALL;
1163     }
1164     else
1165       squish_me(player);
1166   }
1167 }
1168
1169 void
1170 BadGuy::kill_me(int score)
1171 {
1172   if(kind == BAD_BOMB)
1173     return;
1174
1175   if(mode != HELD)
1176     global_stats.add_points(BADGUYS_KILLED_STAT, 1);
1177
1178   dying = DYING_FALLING;
1179   if(kind == BAD_MRICEBLOCK) {
1180     set_action("falling-left", "falling-right");
1181     if(mode == HELD) {
1182       mode = NORMAL;
1183       Player& tux = *Sector::current()->player;
1184       tux.holding_something = false;
1185     }
1186   }
1187
1188   physic.enable_gravity(true);
1189
1190   /* Gain some points: */
1191   if (score != 0)
1192     Sector::current()->add_score(Vector(base.x, base.y),
1193                                 score * player_status.score_multiplier);
1194
1195   /* Play death sound: */
1196   SoundManager::get()->play_sound(IDToSound(SND_FALL), this, Sector::current()->player->get_pos());
1197 }
1198
1199 void
1200 BadGuy::explode(bool right_way)
1201 {
1202   BadGuy *badguy = Sector::current()->add_bad_guy(base.x, base.y, BAD_BOMB);
1203   if(right_way)
1204     {
1205     badguy->timer.start(0);
1206     badguy->mode = BOMB_TICKING;
1207     }
1208   badguy->dir = dir;
1209
1210   remove_me();
1211 }
1212
1213 void
1214 BadGuy::collision(const MovingObject&, int)
1215 {
1216   // later
1217 }
1218
1219 void
1220 BadGuy::collision(void *p_c_object, int c_object, CollisionType type)
1221 {
1222   BadGuy* pbad_c    = NULL;
1223   Bullet* pbullet_c = NULL;
1224
1225   if(type == COLLISION_BUMP) {
1226     bump();
1227     return;
1228   }
1229
1230   if(type == COLLISION_SQUISH) {
1231     Player* player = static_cast<Player*>(p_c_object);
1232     squish(player);
1233     return;
1234   }
1235
1236   /* COLLISION_NORMAL */
1237   switch (c_object)
1238     {
1239     case CO_BULLET:
1240       pbullet_c = (Bullet*) p_c_object;
1241
1242       if(pbullet_c->kind == FIRE_BULLET)
1243         {
1244         if (kind != BAD_BOMB && kind != BAD_STALACTITE && kind != BAD_FLAME
1245             && kind != BAD_FLAMEFISH)
1246           kill_me(10);
1247         }
1248       else if(pbullet_c->kind == ICE_BULLET)
1249         {
1250         if(kind == BAD_FLAME || kind == BAD_FLAMEFISH)
1251           kill_me(10);
1252         else
1253           frozen_timer.start(FROZEN_TIME);
1254         }
1255       break;
1256
1257     case CO_BADGUY:
1258       pbad_c = (BadGuy*) p_c_object;
1259
1260
1261       /* If we're a kicked mriceblock, kill [almost] any badguys we hit */
1262       if(kind == BAD_MRICEBLOCK && mode == KICK &&
1263          kind != BAD_FLAME && kind != BAD_BOMB && kind != BAD_STALACTITE)
1264         {
1265           pbad_c->kill_me(25);
1266         }
1267
1268       // a held mriceblock kills the enemy too but falls to ground then
1269       else if(kind == BAD_MRICEBLOCK && mode == HELD)
1270         {
1271           pbad_c->kill_me(25);
1272           kill_me(0);
1273         }
1274
1275       /* Kill badguys that run into exploding bomb */
1276       else if (kind == BAD_BOMB && dying == DYING_NOT)
1277       {
1278         if (pbad_c->kind == BAD_MRBOMB)
1279         {
1280           // mrbomb transforms into a bomb now
1281           pbad_c->explode(true);
1282           return;
1283         }
1284         else
1285         {
1286           pbad_c->kill_me(50);
1287         }
1288       }
1289
1290       /* Kill any badguys that get hit by stalactite */
1291       else if (kind == BAD_STALACTITE && dying == DYING_NOT)
1292       {
1293         if (pbad_c->kind == BAD_MRBOMB)
1294         {
1295           // mrbomb transforms into a bomb now
1296           pbad_c->explode(false);
1297           return;
1298         }
1299         else
1300           pbad_c->kill_me(50);
1301       }
1302
1303       /* When enemies run into eachother, make them change directions */
1304       else
1305       {
1306         // Wingling doesn't interact with other badguys
1307         if (pbad_c->kind == BAD_WINGLING || kind == BAD_WINGLING)
1308           break;
1309
1310         // Jumpy, fish, flame, stalactites, wingling are exceptions
1311         if (pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FLAME
1312             || pbad_c->kind == BAD_STALACTITE || pbad_c->kind == BAD_FISH
1313             || pbad_c->kind == BAD_FLAMEFISH)
1314           break;
1315
1316         // Bounce off of other badguy if we land on top of him
1317         if (base.y + base.height < pbad_c->base.y + pbad_c->base.height)
1318         {
1319           if (pbad_c->dir == LEFT)
1320           {
1321             dir = RIGHT;
1322             physic.set_velocity(fabsf(physic.get_velocity_x()), 2);
1323           }
1324           else if (pbad_c->dir == RIGHT)
1325           {
1326             dir = LEFT;
1327             physic.set_velocity(-fabsf(physic.get_velocity_x()), 2);
1328           }
1329
1330           break;
1331         }
1332         else if (base.y + base.height > pbad_c->base.y + pbad_c->base.height)
1333           break;
1334
1335         if (pbad_c->kind != BAD_FLAME)
1336           {
1337             if (dir == LEFT)
1338             {
1339               dir = RIGHT;
1340               physic.set_velocity_x(fabsf(physic.get_velocity_x()));
1341
1342               // Put bad guys a part (or they get jammed)
1343               // only needed to do to one of them
1344               if (physic.get_velocity_x() != 0)
1345                 base.x = pbad_c->base.x + pbad_c->base.width + 1;
1346             }
1347             else if (dir == RIGHT)
1348             {
1349               dir = LEFT;
1350               physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
1351             }
1352
1353           }
1354       }
1355
1356       break;
1357
1358     case CO_PLAYER:
1359       Player* player = static_cast<Player*>(p_c_object);
1360       /* Get kicked if were flat */
1361       if (mode == FLAT && !dying)
1362       {
1363         SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
1364
1365         // Hit from left side
1366         if (player->base.x < base.x) {
1367           physic.set_velocity_x(5);
1368           dir = RIGHT;
1369         }
1370         // Hit from right side
1371         else {
1372           physic.set_velocity_x(-5);
1373           dir = LEFT;
1374         }
1375
1376         mode = KICK;
1377         player->kick_timer.start(KICKING_TIME);
1378         set_action("flat-left", "flat-right");
1379       }
1380       break;
1381
1382     }
1383 }
1384
1385 // EOF //