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(dying == DYING_NOT)
 524     {
 525     if(tux.base.x > base.x)
 526       dir = RIGHT;
 527     else
 528       dir = LEFT;
 529     }
 530
 531   // move
 532   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 533   if(dying == DYING_NOT)
 534     collision_swept_object_map(&old_base, &base);
 535 }
 536
 537 void
 538 BadGuy::action_mrbomb(double elapsed_time)
 539 {
 540   if(frozen_timer.check())
 541     {
 542     set_action("iced-left", "iced-right");
 543     return;
 544     }
 545
 546   if (dying == DYING_NOT)
 547     check_horizontal_bump(true);
 548
 549   fall();
 550
 551   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 552   if (dying != DYING_FALLING)
 553     collision_swept_object_map(&old_base,&base);
 554 }
 555
 556 void
 557 BadGuy::action_bomb(double elapsed_time)
 558 {
 559   static const int TICKINGTIME = 1000;
 560   static const int EXPLODETIME = 1000;
 561
 562   fall();
 563
 564   if(mode == NORMAL) {
 565     mode = BOMB_TICKING;
 566     timer.start(TICKINGTIME);
 567   } else if(!timer.check()) {
 568     if(mode == BOMB_TICKING) {
 569       mode = BOMB_EXPLODE;
 570       set_action("explosion", "explosion");
 571       dying = DYING_NOT; // now the bomb hurts
 572       timer.start(EXPLODETIME);
 573
 574       SoundManager::get()->play_sound(IDToSound(SND_EXPLODE), this, Sector::current()->player->get_pos());
 575     } else if(mode == BOMB_EXPLODE) {
 576       remove_me();
 577       return;
 578     }
 579   }
 580
 581   // move
 582   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 583   collision_swept_object_map(&old_base,&base);
 584 }
 585
 586 void
 587 BadGuy::action_stalactite(double elapsed_time)
 588 {
 589   Player& tux = *Sector::current()->player;
 590
 591   static const int SHAKETIME = 800;
 592   static const int RANGE = 40;
 593
 594   if(mode == NORMAL) {
 595     // start shaking when tux is below the stalactite and at least 40 pixels
 596     // near
 597     if(tux.base.x + 32 > base.x - RANGE && tux.base.x < base.x + 32 + RANGE
 598             && tux.base.y + tux.base.height > base.y
 599             && tux.dying == DYING_NOT) {
 600       timer.start(SHAKETIME);
 601       mode = STALACTITE_SHAKING;
 602     }
 603   } if(mode == STALACTITE_SHAKING) {
 604     base.x = old_base.x + (rand() % 6) - 3; // TODO this could be done nicer...
 605     if(!timer.check()) {
 606       mode = STALACTITE_FALL;
 607     }
 608   } else if(mode == STALACTITE_FALL) {
 609     fall();
 610     /* Destroy if we collides with land */
 611     if(issolid(base.x+base.width/2, base.y+base.height))
 612     {
 613       timer.start(2000);
 614       dying = DYING_SQUISHED;
 615       mode = FLAT;
 616       set_action("broken", "broken");
 617     }
 618   } else if(mode == FLAT) {
 619     fall();
 620   }
 621
 622   // move
 623   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 624
 625   if(dying == DYING_SQUISHED && !timer.check())
 626     remove_me();
 627 }
 628
 629 void
 630 BadGuy::action_flame(double elapsed_time)
 631 {
 632     static const float radius = 100;
 633     static const float speed = 0.02;
 634     base.x = old_base.x + cos(angle) * radius;
 635     base.y = old_base.y + sin(angle) * radius;
 636
 637     angle = fmodf(angle + elapsed_time * speed, 2*M_PI);
 638 }
 639
 640 void
 641 BadGuy::action_fish(double elapsed_time)
 642 {
 643   if(frozen_timer.check())
 644     {
 645     if(physic.get_velocity_y() < 0)
 646       set_action("iced-down", "iced-down");
 647     else
 648       set_action("iced", "iced");
 649
 650     return;
 651     }
 652
 653   static const float JUMPV = 6;
 654   static const int WAITTIME = 1000;
 655
 656   // go in wait mode when back in water
 657   if(dying == DYING_NOT
 658       && gettile(base.x, base.y + base.height)
 659       && gettile(base.x, base.y + base.height)->attributes & Tile::WATER
 660       && physic.get_velocity_y() <= 0 && mode == NORMAL)
 661     {
 662       mode = FISH_WAIT;
 663       set_action("hide", "hide");
 664       physic.set_velocity(0, 0);
 665       physic.enable_gravity(false);
 666       timer.start(WAITTIME);
 667     }
 668   else if(mode == FISH_WAIT && !timer.check())
 669     {
 670       // jump again
 671       set_action("normal", "normal");
 672       mode = NORMAL;
 673       physic.set_velocity(0, JUMPV);
 674       physic.enable_gravity(true);
 675     }
 676
 677   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 678   if(dying == DYING_NOT)
 679     collision_swept_object_map(&old_base, &base);
 680
 681   if(physic.get_velocity_y() < 0)
 682     {
 683       set_action("down", "down");
 684     }
 685 }
 686
 687 void
 688 BadGuy::action_bouncingsnowball(double elapsed_time)
 689 {
 690   static const float JUMPV = 4.5;
 691
 692   fall();
 693
 694   // jump when on ground
 695   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 696     {
 697       physic.set_velocity_y(JUMPV);
 698       physic.enable_gravity(true);
 699     }
 700   else
 701     {
 702       mode = NORMAL;
 703     }
 704
 705   // check for right/left collisions
 706   check_horizontal_bump();
 707
 708   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 709   if(dying == DYING_NOT)
 710     collision_swept_object_map(&old_base, &base);
 711
 712   // Handle dying timer:
 713   if (dying == DYING_SQUISHED && !timer.check())
 714     remove_me();
 715 }
 716
 717 void
 718 BadGuy::action_flyingsnowball(double elapsed_time)
 719 {
 720   static const float FLYINGSPEED = 1;
 721   static const int DIRCHANGETIME = 1000;
 722
 723   // go into flyup mode if none specified yet
 724   if(dying == DYING_NOT && mode == NORMAL) {
 725     mode = FLY_UP;
 726     physic.set_velocity_y(FLYINGSPEED);
 727     timer.start(DIRCHANGETIME/2);
 728   }
 729
 730   if(dying == DYING_NOT && !timer.check()) {
 731     if(mode == FLY_UP) {
 732       mode = FLY_DOWN;
 733       physic.set_velocity_y(-FLYINGSPEED);
 734     } else if(mode == FLY_DOWN) {
 735       mode = FLY_UP;
 736       physic.set_velocity_y(FLYINGSPEED);
 737     }
 738     timer.start(DIRCHANGETIME);
 739   }
 740
 741   if(dying != DYING_NOT)
 742     physic.enable_gravity(true);
 743
 744   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 745   if(dying == DYING_NOT || dying == DYING_SQUISHED)
 746     collision_swept_object_map(&old_base, &base);
 747
 748   if(dying == DYING_NOT)
 749     {
 750     // set direction based on tux
 751     if(Sector::current()->player->base.x > base.x)
 752       dir = RIGHT;
 753     else
 754       dir = LEFT;
 755     }
 756
 757   // Handle dying timer:
 758   if (dying == DYING_SQUISHED && !timer.check())
 759     remove_me();
 760 }
 761
 762 void
 763 BadGuy::action_spiky(double elapsed_time)
 764 {
 765   if(frozen_timer.check())
 766     {
 767     set_action("iced-left", "iced-right");
 768     return;
 769     }
 770
 771   if (dying == DYING_NOT)
 772     check_horizontal_bump();
 773
 774   fall();
 775 #if 0
 776   // jump when we're about to fall
 777   if (physic.get_velocity_y() == 0 &&
 778           !issolid(base.x+base.width/2, base.y + base.height)) {
 779     physic.enable_gravity(true);
 780     physic.set_velocity_y(2);
 781   }
 782 #endif
 783
 784   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 785   if (dying != DYING_FALLING)
 786     collision_swept_object_map(&old_base,&base);
 787 }
 788
 789 void
 790 BadGuy::action_snowball(double elapsed_time)
 791 {
 792   if (dying == DYING_NOT)
 793     check_horizontal_bump();
 794
 795   fall();
 796
 797   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 798   if (dying != DYING_FALLING)
 799     collision_swept_object_map(&old_base,&base);
 800
 801   // Handle dying timer:
 802   if (dying == DYING_SQUISHED && !timer.check())
 803     remove_me();
 804 }
 805
 806 void
 807 BadGuy::action_wingling(double elapsed_time)
 808 {
 809   if (dying != DYING_NOT)
 810     physic.enable_gravity(true);
 811   else
 812   {
 813     Player& tux = *Sector::current()->player;
 814     int dirsign = physic.get_velocity_x() < 0 ? -1 : 1;
 815
 816     if (fabsf(tux.base.x - base.x) < 150 && base.y < tux.base.y && tux.dying == DYING_NOT)
 817     {
 818       if (target.x < 0 && target.y < 0)
 819       {
 820         target.x = tux.base.x;
 821         target.y = tux.base.y;
 822         physic.set_velocity(dirsign * 1.5f, -2.25f);
 823       }
 824     }
 825     else if (base.y >= target.y - 16)
 826       physic.set_velocity(dirsign * WINGLING_FLY_SPEED, 0);
 827   }
 828
 829   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 830
 831
 832   // Handle dying timer:
 833   if (dying == DYING_SQUISHED && !timer.check())
 834     remove_me();
 835
 836   // TODO: Winglings should be removed after flying off the screen
 837 }
 838
 839 void
 840 BadGuy::action_walkingtree(double elapsed_time)
 841 {
 842   if (dying == DYING_NOT)
 843     check_horizontal_bump();
 844
 845   fall();
 846
 847   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 848   if (dying != DYING_FALLING)
 849     collision_swept_object_map(&old_base,&base);
 850
 851   // Handle dying timer:
 852   if (dying == DYING_SQUISHED && !timer.check())
 853     remove_me();
 854 }
 855
 856 void
 857 BadGuy::action(float elapsed_time)
 858 {
 859   float scroll_x = Sector::current()->camera->get_translation().x;
 860   float scroll_y = Sector::current()->camera->get_translation().y;
 861
 862   // BadGuy fall below the ground
 863   if (base.y > Sector::current()->solids->get_height() * 32) {
 864     remove_me();
 865     return;
 866   }
 867
 868   // Kill us if we landed on spikes
 869   if (dying == DYING_NOT
 870       && (kind != BAD_STALACTITE && kind != BAD_FLAME && kind != BAD_BOMB)
 871       && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 872       ||  isspike(base.x, base.y + base.height)
 873       ||  isspike(base.x + base.width, base.y + base.height)))
 874       {
 875          physic.set_velocity_y(3);
 876          kill_me(0);
 877       }
 878
 879   if(!seen) {
 880     /* activate badguys if they're just inside the offscreen_distance around the
 881      * screen. Don't activate them inside the screen, since that might have the
 882      * effect of badguys suddenly popping up from nowhere
 883      */
 884     if (start_position.x > scroll_x - X_OFFSCREEN_DISTANCE &&
 885         start_position.x < scroll_x - base.width)
 886       activate(RIGHT);
 887     else if(start_position.x > scroll_y - Y_OFFSCREEN_DISTANCE &&
 888         start_position.y < scroll_y - base.height)
 889       activate(LEFT);
 890     else if(start_position.x > scroll_x + screen->w &&
 891         start_position.x < scroll_x + screen->w + X_OFFSCREEN_DISTANCE)
 892       activate(LEFT);
 893     else if(start_position.y > scroll_y + screen->h &&
 894         start_position.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE)
 895       activate(LEFT);
 896   } else {
 897     if(base.x + base.width < scroll_x - X_OFFSCREEN_DISTANCE*4
 898       || base.x > scroll_x + screen->w + X_OFFSCREEN_DISTANCE*4
 899       || base.y + base.height < scroll_y - Y_OFFSCREEN_DISTANCE*4
 900       || base.y > scroll_y + screen->h + Y_OFFSCREEN_DISTANCE*4) {
 901       seen = false;
 902       if(dying != DYING_NOT)
 903         remove_me();
 904     }
 905   }
 906
 907   if(!seen)
 908     return;
 909
 910   switch (kind)
 911     {
 912     case BAD_MRICEBLOCK:
 913       action_mriceblock(elapsed_time);
 914       break;
 915
 916     case BAD_JUMPY:
 917       action_jumpy(elapsed_time);
 918       break;
 919
 920     case BAD_MRBOMB:
 921       action_mrbomb(elapsed_time);
 922       break;
 923
 924     case BAD_BOMB:
 925       action_bomb(elapsed_time);
 926       break;
 927
 928     case BAD_STALACTITE:
 929       action_stalactite(elapsed_time);
 930       break;
 931
 932     case BAD_FLAME:
 933       action_flame(elapsed_time);
 934       break;
 935
 936     case BAD_FISH:
 937     case BAD_FLAMEFISH:
 938       action_fish(elapsed_time);
 939       break;
 940
 941     case BAD_BOUNCINGSNOWBALL:
 942       action_bouncingsnowball(elapsed_time);
 943       break;
 944
 945     case BAD_FLYINGSNOWBALL:
 946       action_flyingsnowball(elapsed_time);
 947       break;
 948
 949     case BAD_SPIKY:
 950       action_spiky(elapsed_time);
 951       break;
 952
 953     case BAD_SNOWBALL:
 954       action_snowball(elapsed_time);
 955       break;
 956
 957     case BAD_WINGLING:
 958       action_wingling(elapsed_time);
 959       break;
 960
 961     case BAD_WALKINGTREE:
 962       action_walkingtree(elapsed_time);
 963       break;
 964
 965     default:
 966       break;
 967     }
 968 }
 969
 970 void
 971 BadGuy::draw(DrawingContext& context)
 972 {
 973   if((dir == LEFT && action_left == "hide") ||
 974      (dir == RIGHT && action_right == "hide"))
 975     return;
 976
 977   if(dir == LEFT)
 978     specs->sprite->set_action(action_left);
 979   else  // if(dir == RIGHT)
 980     specs->sprite->set_action(action_right);
 981
 982   if(dying == DYING_FALLING && physic.get_velocity_y() < 0)
 983     specs->sprite->draw(context, Vector(base.x, base.y), LAYER_FOREGROUNDTILES+1, VERTICAL_FLIP);
 984   else
 985     specs->sprite->draw(context, Vector(base.x, base.y), LAYER_OBJECTS);
 986
 987   if(debug_mode)
 988     context.draw_filled_rect(Vector(base.x, base.y),
 989         Vector(base.width, base.height), Color(75,0,75, 150), LAYER_OBJECTS+1);
 990 }
 991
 992 void
 993 BadGuy::set_action(std::string left, std::string right)
 994 {
 995   base.width = 32;
 996   base.height = 32;
 997
 998   action_left = left;
 999   action_right = right;
1000
1001 #if 0
1002   if (1)
1003     {
1004       base.width = 32;
1005       base.height = 32;
1006     }
1007   else
1008     {
1009       // FIXME: Using the image size for the physics and collision is
1010       // a bad idea, since images should always overlap there physical
1011       // representation
1012       if(left != 0) {
1013         if(base.width == 0 && base.height == 0) {
1014           base.width  = left->get_width();
1015           base.height = left->get_height();
1016         } else if(base.width != left->get_width() || base.height != left->get_height()) {
1017           base.x -= (left->get_width() - base.width) / 2;
1018           base.y -= left->get_height() - base.height;
1019           base.width = left->get_width();
1020           base.height = left->get_height();
1021           old_base = base;
1022         }
1023       } else {
1024         base.width = base.height = 0;
1025       }
1026     }
1027
1028   animation_offset = 0;
1029   sprite_left  = left;
1030   sprite_right = right;
1031 #endif
1032 }
1033
1034 void
1035 BadGuy::bump()
1036 {
1037   // these can't be bumped
1038   if(kind == BAD_FLAME || kind == BAD_BOMB || kind == BAD_FISH
1039       || kind == BAD_FLAMEFISH || kind == BAD_FLYINGSNOWBALL)
1040     return;
1041
1042   physic.set_velocity_y(3);
1043   kill_me(25);
1044 }
1045
1046 void
1047 BadGuy::squish_me(Player* player)
1048 {
1049   player->bounce(this);
1050
1051   Sector::current()->add_score(Vector(base.x, base.y),
1052                               25 * player_status.score_multiplier);
1053
1054   SoundManager::get()->play_sound(IDToSound(SND_SQUISH), get_pos(), Sector::current()->player->get_pos());
1055   player_status.score_multiplier++;
1056
1057   dying = DYING_SQUISHED;
1058   timer.start(2000);
1059   physic.set_velocity(0, 0);
1060 }
1061
1062 void
1063 BadGuy::squish(Player* player)
1064 {
1065   static const int MAX_ICEBLOCK_SQUICHES = 10;
1066
1067   if(kind == BAD_MRBOMB) {
1068     // mrbomb transforms into a bomb now
1069     explode(false);
1070
1071     player->bounce(this);
1072     Sector::current()->add_score(Vector(base.x, base.y),
1073                                 25 * player_status.score_multiplier);
1074     SoundManager::get()->play_sound(IDToSound(SND_SQUISH), get_pos(), Sector::current()->player->get_pos());
1075
1076     player_status.score_multiplier++;
1077     return;
1078
1079   } else if (kind == BAD_MRICEBLOCK) {
1080     if (mode == NORMAL || mode == KICK)
1081       {
1082         /* Flatten! */
1083         SoundManager::get()->play_sound(IDToSound(SND_STOMP), get_pos(), Sector::current()->player->get_pos());
1084         mode = FLAT;
1085         set_action("flat-left", "flat-right");
1086         physic.set_velocity_x(0);
1087
1088         timer.start(4000);
1089       } else if (mode == FLAT) {
1090         /* Kick! */
1091         SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
1092
1093         if (player->base.x < base.x + (base.width/2)) {
1094           physic.set_velocity_x(5);
1095           dir = RIGHT;
1096         } else {
1097           physic.set_velocity_x(-5);
1098           dir = LEFT;
1099         }
1100
1101         mode = KICK;
1102         player->kick_timer.start(KICKING_TIME);
1103         set_action("flat-left", "flat-right");
1104       }
1105
1106     player->bounce(this);
1107
1108     player_status.score_multiplier++;
1109
1110     // check for maximum number of squishes
1111     squishcount++;
1112     if(squishcount >= MAX_ICEBLOCK_SQUICHES) {
1113       kill_me(50);
1114       return;
1115     }
1116
1117     return;
1118   } else if(kind == BAD_FISH || kind == BAD_FLAMEFISH) {
1119     // fish can only be killed when falling down
1120     if(physic.get_velocity_y() >= 0)
1121       return;
1122
1123     player->bounce(this);
1124
1125     Sector::current()->add_score(Vector(base.x, base.y),
1126                                 25 * player_status.score_multiplier);
1127
1128     player_status.score_multiplier++;
1129
1130     // simply remove the fish...
1131     remove_me();
1132     return;
1133   } else if(kind == BAD_BOUNCINGSNOWBALL) {
1134     squish_me(player);
1135     set_action("squished", "squished");
1136     return;
1137   } else if(kind == BAD_FLYINGSNOWBALL) {
1138     squish_me(player);
1139     set_action("squished-left", "squished-right");
1140     return;
1141   } else if(kind == BAD_SNOWBALL) {
1142     squish_me(player);
1143     set_action("squished-left", "squished-right");
1144     return;
1145   } else if(kind == BAD_WINGLING) {
1146     squish_me(player);
1147     set_action("left", "right");
1148   } else if(kind == BAD_WALKINGTREE) {
1149     if (mode == BGM_BIG)
1150     {
1151       set_action("left-small", "left-small");
1152       physic.set_velocity_x(physic.get_velocity_x() * 2.0f);
1153
1154       /* Move to the player's direction */
1155       if(dir != Sector::current()->player->dir)
1156         physic.set_velocity_x(-physic.get_velocity_x());
1157       dir = Sector::current()->player->dir;
1158
1159       // XXX magic number: 66 is BGM_BIG height
1160
1161       player->bounce(this);
1162       base.y += 66 - base.height;
1163
1164       Sector::current()->add_score(Vector(base.x, base.y),
1165                                 25 * player_status.score_multiplier);
1166       player_status.score_multiplier++;
1167
1168       mode = BGM_SMALL;
1169     }
1170     else
1171       squish_me(player);
1172   }
1173 }
1174
1175 void
1176 BadGuy::kill_me(int score)
1177 {
1178   if(kind == BAD_BOMB)
1179     return;
1180
1181   if(mode != HELD)
1182     global_stats.add_points(BADGUYS_KILLED_STAT, 1);
1183
1184   dying = DYING_FALLING;
1185   if(kind == BAD_MRICEBLOCK) {
1186     set_action("falling-left", "falling-right");
1187     if(mode == HELD) {
1188       mode = NORMAL;
1189       Player& tux = *Sector::current()->player;
1190       tux.holding_something = false;
1191     }
1192   }
1193
1194   physic.enable_gravity(true);
1195
1196   /* Gain some points: */
1197   if (score != 0)
1198     Sector::current()->add_score(Vector(base.x, base.y),
1199                                 score * player_status.score_multiplier);
1200
1201   /* Play death sound: */
1202   SoundManager::get()->play_sound(IDToSound(SND_FALL), this, Sector::current()->player->get_pos());
1203 }
1204
1205 void
1206 BadGuy::explode(bool right_way)
1207 {
1208   BadGuy *badguy = Sector::current()->add_bad_guy(base.x, base.y, BAD_BOMB);
1209   if(right_way)
1210     {
1211     badguy->timer.start(0);
1212     badguy->mode = BOMB_TICKING;
1213     }
1214   badguy->dir = dir;
1215
1216   remove_me();
1217 }
1218
1219 void
1220 BadGuy::collision(const MovingObject&, int)
1221 {
1222   // later
1223 }
1224
1225 void
1226 BadGuy::collision(void *p_c_object, int c_object, CollisionType type)
1227 {
1228   BadGuy* pbad_c    = NULL;
1229   Bullet* pbullet_c = NULL;
1230
1231   if(type == COLLISION_BUMP) {
1232     bump();
1233     return;
1234   }
1235
1236   if(type == COLLISION_SQUISH) {
1237     Player* player = static_cast<Player*>(p_c_object);
1238     squish(player);
1239     return;
1240   }
1241
1242   /* COLLISION_NORMAL */
1243   switch (c_object)
1244     {
1245     case CO_BULLET:
1246       pbullet_c = (Bullet*) p_c_object;
1247
1248       if(pbullet_c->kind == FIRE_BULLET)
1249         {
1250         if (kind != BAD_BOMB && kind != BAD_STALACTITE && kind != BAD_FLAME
1251             && kind != BAD_FLAMEFISH)
1252           kill_me(10);
1253         }
1254       else if(pbullet_c->kind == ICE_BULLET)
1255         {
1256         if(kind == BAD_FLAME || kind == BAD_FLAMEFISH)
1257           kill_me(10);
1258         else
1259           frozen_timer.start(FROZEN_TIME);
1260         }
1261       break;
1262
1263     case CO_BADGUY:
1264       pbad_c = (BadGuy*) p_c_object;
1265
1266
1267       /* If we're a kicked mriceblock, kill [almost] any badguys we hit */
1268       if(kind == BAD_MRICEBLOCK && mode == KICK &&
1269          kind != BAD_FLAME && kind != BAD_BOMB && kind != BAD_STALACTITE)
1270         {
1271           pbad_c->kill_me(25);
1272         }
1273
1274       // a held mriceblock kills the enemy too but falls to ground then
1275       else if(kind == BAD_MRICEBLOCK && mode == HELD)
1276         {
1277           pbad_c->kill_me(25);
1278           kill_me(0);
1279         }
1280
1281       /* Kill badguys that run into exploding bomb */
1282       else if (kind == BAD_BOMB && dying == DYING_NOT)
1283       {
1284         if (pbad_c->kind == BAD_MRBOMB)
1285         {
1286           // mrbomb transforms into a bomb now
1287           pbad_c->explode(true);
1288           return;
1289         }
1290         else
1291         {
1292           pbad_c->kill_me(50);
1293         }
1294       }
1295
1296       /* Kill any badguys that get hit by stalactite */
1297       else if (kind == BAD_STALACTITE && dying == DYING_NOT)
1298       {
1299         if (pbad_c->kind == BAD_MRBOMB)
1300         {
1301           // mrbomb transforms into a bomb now
1302           pbad_c->explode(false);
1303           return;
1304         }
1305         else
1306           pbad_c->kill_me(50);
1307       }
1308
1309       /* When enemies run into eachother, make them change directions */
1310       else
1311       {
1312         // Wingling doesn't interact with other badguys
1313         if (pbad_c->kind == BAD_WINGLING || kind == BAD_WINGLING)
1314           break;
1315
1316         // Jumpy, fish, flame, stalactites, wingling are exceptions
1317         if (pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FLAME
1318             || pbad_c->kind == BAD_STALACTITE || pbad_c->kind == BAD_FISH
1319             || pbad_c->kind == BAD_FLAMEFISH)
1320           break;
1321
1322         // Bounce off of other badguy if we land on top of him
1323         if (base.y + base.height < pbad_c->base.y + pbad_c->base.height)
1324         {
1325           if (pbad_c->dir == LEFT)
1326           {
1327             dir = RIGHT;
1328             physic.set_velocity(fabsf(physic.get_velocity_x()), 2);
1329           }
1330           else if (pbad_c->dir == RIGHT)
1331           {
1332             dir = LEFT;
1333             physic.set_velocity(-fabsf(physic.get_velocity_x()), 2);
1334           }
1335
1336           break;
1337         }
1338         else if (base.y + base.height > pbad_c->base.y + pbad_c->base.height)
1339           break;
1340
1341         if (pbad_c->kind != BAD_FLAME)
1342           {
1343             if (dir == LEFT)
1344             {
1345               dir = RIGHT;
1346               physic.set_velocity_x(fabsf(physic.get_velocity_x()));
1347
1348               // Put bad guys a part (or they get jammed)
1349               // only needed to do to one of them
1350               if (physic.get_velocity_x() != 0)
1351                 base.x = pbad_c->base.x + pbad_c->base.width + 1;
1352             }
1353             else if (dir == RIGHT)
1354             {
1355               dir = LEFT;
1356               physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
1357             }
1358
1359           }
1360       }
1361
1362       break;
1363
1364     case CO_PLAYER:
1365       Player* player = static_cast<Player*>(p_c_object);
1366       /* Get kicked if were flat */
1367       if (mode == FLAT && !dying)
1368       {
1369         SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
1370
1371         // Hit from left side
1372         if (player->base.x < base.x) {
1373           physic.set_velocity_x(5);
1374           dir = RIGHT;
1375         }
1376         // Hit from right side
1377         else {
1378           physic.set_velocity_x(-5);
1379           dir = LEFT;
1380         }
1381
1382         mode = KICK;
1383         player->kick_timer.start(KICKING_TIME);
1384         set_action("flat-left", "flat-right");
1385       }
1386       break;
1387
1388     }
1389 }
1390
1391 // EOF //