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