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 = start_position.x;
 163   base.y = start_position.y;
 164   base.width  = 32;
 165   base.height = 32;
 166
 167   mode     = NORMAL;
 168   old_base = base;
 169   dir      = LEFT;
 170   seen     = false;
 171   animation_offset = 0;
 172   target.x = target.y = -1;
 173   physic.reset();
 174   frozen_timer.init(true);
 175   timer.init(true);
 176
 177   specs = badguyspecs_manager->load(badguykind_to_string(kind));
 178
 179   // if we're in a solid tile at start correct that now
 180   if(Sector::current()) {
 181   if(kind != BAD_FLAME && kind != BAD_FISH && kind != BAD_FLAMEFISH && collision_object_map(base))
 182     {
 183       std::cout << "Warning: badguy started in wall: kind: " << badguykind_to_string(kind)
 184                 << " pos: (" << base.x << ", " << base.y << ")" << std::endl;
 185       while(collision_object_map(base))
 186         --base.y;
 187     }
 188   }
 189 }
 190
 191 void
 192 BadGuy::write(LispWriter& writer)
 193 {
 194   writer.start_list(badguykind_to_string(kind));
 195
 196   writer.write_float("x", base.x);
 197   writer.write_float("y", base.y);
 198   writer.write_bool("stay-on-platform", stay_on_platform);
 199
 200   writer.end_list(badguykind_to_string(kind));
 201 }
 202
 203 void
 204 BadGuy::activate(Direction activation_dir)
 205 {
 206   mode     = NORMAL;
 207   animation_offset = 0;
 208   target.x = target.y = -1;
 209   physic.reset();
 210   frozen_timer.init(true);
 211   timer.init(true);
 212
 213   dying = DYING_NOT;
 214   seen = true;
 215
 216   dir = activation_dir;
 217   float dirsign = activation_dir == LEFT ? -1 : 1;
 218
 219   set_action("left", "right");
 220   if(kind == BAD_MRBOMB) {
 221     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 222   } else if (kind == BAD_MRICEBLOCK) {
 223     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 224   } else if(kind == BAD_JUMPY) {
 225     set_action("left-up", "right-up");
 226   } else if(kind == BAD_BOMB) {
 227     set_action("ticking-left", "ticking-right");
 228     // hack so that the bomb doesn't hurt until it expldes...
 229     dying = DYING_SQUISHED;
 230   } else if(kind == BAD_FLAME) {
 231     angle = 0;
 232     physic.enable_gravity(false);
 233     set_action("normal", "normal");
 234   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 235     physic.set_velocity(dirsign * 1.3, 0);
 236   } else if(kind == BAD_STALACTITE) {
 237     physic.enable_gravity(false);
 238     set_action("normal", "normal");
 239   } else if(kind == BAD_FISH) {
 240     set_action("normal", "normal");
 241     physic.enable_gravity(true);
 242   } else if(kind == BAD_FLAMEFISH) {
 243     set_action("normal", "normal");
 244     physic.enable_gravity(true);
 245   } else if(kind == BAD_FLYINGSNOWBALL) {
 246     physic.enable_gravity(false);
 247   } else if(kind == BAD_SPIKY) {
 248     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 249   } else if(kind == BAD_SNOWBALL) {
 250     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 251   } else if(kind == BAD_WINGLING) {
 252     physic.set_velocity(dirsign * WINGLING_FLY_SPEED, 0);
 253     physic.enable_gravity(false);
 254     set_action("left", "left");
 255   } else if (kind == BAD_WALKINGTREE) {
 256     // TODO: why isn't the height/width being set properly in set_action?
 257     physic.set_velocity(dirsign * BADGUY_WALK_SPEED, 0);
 258     mode = BGM_BIG;
 259     set_action("left", "left");
 260     base.width = 66;
 261     base.height = 66;
 262   }
 263 }
 264
 265 Surface*
 266 BadGuy::get_image()
 267 {
 268 // Set action as the "default" one.
 269 specs->sprite->set_action("left");
 270 if(BAD_JUMPY)
 271   specs->sprite->set_action("left-up");
 272 else if(kind == BAD_BOMB)
 273   specs->sprite->set_action("ticking-left");
 274 else if(kind == BAD_FLAME)
 275   specs->sprite->set_action("normal");
 276 else if(kind == BAD_STALACTITE)
 277   specs->sprite->set_action("normal");
 278 else if(kind == BAD_FISH)
 279   specs->sprite->set_action("normal");
 280 else if(kind == BAD_FLAMEFISH)
 281   specs->sprite->set_action("normal");
 282
 283 return specs->sprite->get_frame(0);
 284 }
 285
 286 void
 287 BadGuy::action_mriceblock(double elapsed_time)
 288 {
 289   Player& tux = *Sector::current()->player;
 290
 291   if(mode != HELD)
 292     fall();
 293
 294   /* Move left/right: */
 295   if (mode != HELD)
 296     {
 297       // move
 298       physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 299       if (dying != DYING_FALLING)
 300         collision_swept_object_map(&old_base,&base);
 301     }
 302   else if (mode == HELD)
 303     { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 304       /* If we're holding the iceblock */
 305       dir = tux.dir;
 306       if(tux.size == SMALL)
 307         {
 308         if(dir == RIGHT)
 309           base.x = tux.base.x + 24;
 310         else // dir == LEFT
 311           base.x = tux.base.x - 12;
 312         base.y = tux.base.y + tux.base.height/1.5 - base.height;
 313         }
 314       else // TUX == BIG
 315         {
 316         if(dir == RIGHT)
 317           base.x = tux.base.x + 24;
 318         else // dir == LEFT
 319           base.x = tux.base.x - 4;
 320         base.y = tux.base.y + tux.base.height/1.5 - base.height;
 321         }
 322
 323       if(collision_object_map(base))
 324         {
 325           base.x = tux.base.x;
 326           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 327         }
 328
 329       if(tux.input.fire != DOWN) /* SHOOT! */
 330         {
 331           if(dir == LEFT)
 332             base.x = tux.base.x - base.width;
 333           else
 334             base.x = tux.base.x + tux.base.width;
 335           old_base = base;
 336
 337           mode=KICK;
 338           tux.kick_timer.start(KICKING_TIME);
 339           set_action("flat-left", "flat-right");
 340           physic.set_velocity_x((dir == LEFT) ? -3.5 : 3.5);
 341           SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
 342         }
 343     }
 344
 345   if (!dying)
 346     {
 347       int changed = dir;
 348       check_horizontal_bump();
 349       if(mode == KICK && changed != dir)
 350         {
 351           SoundManager::get()->play_sound(IDToSound(SND_RICOCHET), get_pos(), Sector::current()->player->get_pos());
 352         }
 353     }
 354
 355   /* Handle mode timer: */
 356   if (mode == FLAT)
 357     {
 358       if(!timer.check())
 359         {
 360           mode = NORMAL;
 361           set_action("left", "right");
 362           physic.set_velocity( (dir == LEFT) ? -.8 : .8, 0);
 363         }
 364     }
 365 }
 366
 367 void
 368 BadGuy::check_horizontal_bump(bool checkcliff)
 369 {
 370     float halfheight = base.height / 2;
 371     if (dir == LEFT && issolid( base.x, base.y + halfheight))
 372     {
 373         if (kind == BAD_MRICEBLOCK && mode == KICK)
 374             {
 375             Sector::current()->trybreakbrick(Vector(base.x, base.y + halfheight), false);
 376             Sector::current()->tryemptybox(Vector(base.x, base.y + halfheight), dir);
 377             }
 378
 379         dir = RIGHT;
 380         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 381         return;
 382     }
 383     if (dir == RIGHT && issolid( base.x + base.width, base.y + halfheight))
 384     {
 385         if (kind == BAD_MRICEBLOCK && mode == KICK)
 386             {
 387             Sector::current()->trybreakbrick(
 388                 Vector(base.x + base.width, base.y + halfheight), false);
 389             Sector::current()->tryemptybox(
 390                 Vector(base.x + base.width, base.y + halfheight), dir);
 391             }
 392
 393         dir = LEFT;
 394         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 395         return;
 396     }
 397
 398     // don't check for cliffs when we're falling
 399     if(!checkcliff)
 400         return;
 401     if(!issolid(base.x + base.width/2, base.y + base.height))
 402         return;
 403
 404     if(dir == LEFT && !issolid(base.x, (int) base.y + base.height + halfheight))
 405     {
 406         dir = RIGHT;
 407         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 408         return;
 409     }
 410     if(dir == RIGHT && !issolid(base.x + base.width,
 411                 (int) base.y + base.height + halfheight))
 412     {
 413         dir = LEFT;
 414         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 415         return;
 416     }
 417 }
 418
 419 void
 420 BadGuy::fall()
 421 {
 422   /* Fall if we get off the ground: */
 423   if (dying != DYING_FALLING)
 424     {
 425       if (!issolid(base.x+base.width/2, base.y + base.height))
 426         {
 427           // not solid below us? enable gravity
 428           physic.enable_gravity(true);
 429         }
 430       else
 431         {
 432           /* Land: */
 433           if (physic.get_velocity_y() < 0)
 434             {
 435               base.y = int((base.y + base.height)/32) * 32 - base.height;
 436               physic.set_velocity_y(0);
 437             }
 438           // no gravity anymore please
 439           physic.enable_gravity(false);
 440
 441           if (stay_on_platform && mode == NORMAL)
 442             {
 443               if (!issolid(base.x + ((dir == LEFT) ? 0 : base.width),
 444                            base.y + base.height))
 445                 {
 446                   if (dir == LEFT)
 447                   {
 448                     dir = RIGHT;
 449                     physic.set_velocity_x(fabsf(physic.get_velocity_x()));
 450                   }
 451                   else
 452                   {
 453                     dir = LEFT;
 454                     physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
 455                   }
 456                 }
 457             }
 458         }
 459     }
 460   else
 461     {
 462       physic.enable_gravity(true);
 463     }
 464 }
 465
 466 void
 467 BadGuy::action_jumpy(double elapsed_time)
 468 {
 469   if(frozen_timer.check())
 470     {
 471     set_action("left-iced", "right-iced");
 472     return;
 473     }
 474
 475   const float vy = physic.get_velocity_y();
 476
 477   // XXX: These tests *should* use location from ground, not velocity
 478   if (fabsf(vy) > 5.6f)
 479     set_action("left-down", "right-down");
 480   else if (fabsf(vy) > 5.3f)
 481     set_action("left-middle", "right-middle");
 482   else
 483     set_action("left-up", "right-up");
 484
 485   Player& tux = *Sector::current()->player;
 486
 487   static const float JUMPV = 6;
 488
 489   fall();
 490   // jump when on ground
 491   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 492     {
 493       physic.set_velocity_y(JUMPV);
 494       physic.enable_gravity(true);
 495
 496       mode = JUMPY_JUMP;
 497     }
 498   else if(mode == JUMPY_JUMP)
 499     {
 500       mode = NORMAL;
 501     }
 502
 503   // set direction based on tux
 504   if(dying == DYING_NOT)
 505     {
 506     if(tux.base.x > base.x)
 507       dir = RIGHT;
 508     else
 509       dir = LEFT;
 510     }
 511
 512   // move
 513   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 514   if(dying == DYING_NOT)
 515     collision_swept_object_map(&old_base, &base);
 516 }
 517
 518 void
 519 BadGuy::action_mrbomb(double elapsed_time)
 520 {
 521   if(frozen_timer.check())
 522     {
 523     set_action("iced-left", "iced-right");
 524     return;
 525     }
 526
 527   if (dying == DYING_NOT)
 528     check_horizontal_bump(true);
 529
 530   fall();
 531
 532   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 533   if (dying != DYING_FALLING)
 534     collision_swept_object_map(&old_base,&base);
 535 }
 536
 537 void
 538 BadGuy::action_bomb(double elapsed_time)
 539 {
 540   static const int TICKINGTIME = 1000;
 541   static const int EXPLODETIME = 1000;
 542
 543   fall();
 544
 545   if(mode == NORMAL) {
 546     mode = BOMB_TICKING;
 547     timer.start(TICKINGTIME);
 548   } else if(!timer.check()) {
 549     if(mode == BOMB_TICKING) {
 550       mode = BOMB_EXPLODE;
 551       set_action("explosion", "explosion");
 552       dying = DYING_NOT; // now the bomb hurts
 553       timer.start(EXPLODETIME);
 554
 555       SoundManager::get()->play_sound(IDToSound(SND_EXPLODE), this, Sector::current()->player->get_pos());
 556     } else if(mode == BOMB_EXPLODE) {
 557       remove_me();
 558       return;
 559     }
 560   }
 561
 562   // move
 563   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 564   collision_swept_object_map(&old_base,&base);
 565 }
 566
 567 void
 568 BadGuy::action_stalactite(double elapsed_time)
 569 {
 570   Player& tux = *Sector::current()->player;
 571
 572   static const int SHAKETIME = 800;
 573   static const int RANGE = 40;
 574
 575   if(mode == NORMAL) {
 576     // start shaking when tux is below the stalactite and at least 40 pixels
 577     // near
 578     if(tux.base.x + 32 > base.x - RANGE && tux.base.x < base.x + 32 + RANGE
 579             && tux.base.y + tux.base.height > base.y
 580             && tux.dying == DYING_NOT) {
 581       timer.start(SHAKETIME);
 582       mode = STALACTITE_SHAKING;
 583     }
 584   } if(mode == STALACTITE_SHAKING) {
 585     base.x = old_base.x + (rand() % 6) - 3; // TODO this could be done nicer...
 586     if(!timer.check()) {
 587       mode = STALACTITE_FALL;
 588     }
 589   } else if(mode == STALACTITE_FALL) {
 590     fall();
 591     /* Destroy if we collides with land */
 592     if(issolid(base.x+base.width/2, base.y+base.height))
 593     {
 594       timer.start(2000);
 595       dying = DYING_SQUISHED;
 596       mode = FLAT;
 597       set_action("broken", "broken");
 598     }
 599   } else if(mode == FLAT) {
 600     fall();
 601   }
 602
 603   // move
 604   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 605
 606   if(dying == DYING_SQUISHED && !timer.check())
 607     remove_me();
 608 }
 609
 610 void
 611 BadGuy::action_flame(double elapsed_time)
 612 {
 613     static const float radius = 100;
 614     static const float speed = 0.02;
 615     base.x = old_base.x + cos(angle) * radius;
 616     base.y = old_base.y + sin(angle) * radius;
 617
 618     angle = fmodf(angle + elapsed_time * speed, 2*M_PI);
 619 }
 620
 621 void
 622 BadGuy::action_fish(double elapsed_time)
 623 {
 624   if(frozen_timer.check())
 625     {
 626     if(physic.get_velocity_y() < 0)
 627       set_action("iced-down", "iced-down");
 628     else
 629       set_action("iced", "iced");
 630
 631     return;
 632     }
 633
 634   static const float JUMPV = 6;
 635   static const int WAITTIME = 1000;
 636
 637   // go in wait mode when back in water
 638   if(dying == DYING_NOT
 639       && gettile(base.x, base.y + base.height)
 640       && gettile(base.x, base.y + base.height)->attributes & Tile::WATER
 641       && physic.get_velocity_y() <= 0 && mode == NORMAL)
 642     {
 643       mode = FISH_WAIT;
 644       set_action("hide", "hide");
 645       physic.set_velocity(0, 0);
 646       physic.enable_gravity(false);
 647       timer.start(WAITTIME);
 648     }
 649   else if(mode == FISH_WAIT && !timer.check())
 650     {
 651       // jump again
 652       set_action("normal", "normal");
 653       mode = NORMAL;
 654       physic.set_velocity(0, JUMPV);
 655       physic.enable_gravity(true);
 656     }
 657
 658   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 659   if(dying == DYING_NOT)
 660     collision_swept_object_map(&old_base, &base);
 661
 662   if(physic.get_velocity_y() < 0)
 663     {
 664       set_action("down", "down");
 665     }
 666 }
 667
 668 void
 669 BadGuy::action_bouncingsnowball(double elapsed_time)
 670 {
 671   static const float JUMPV = 4.5;
 672
 673   fall();
 674
 675   // jump when on ground
 676   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 677     {
 678       physic.set_velocity_y(JUMPV);
 679       physic.enable_gravity(true);
 680     }
 681   else
 682     {
 683       mode = NORMAL;
 684     }
 685
 686   // check for right/left collisions
 687   check_horizontal_bump();
 688
 689   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 690   if(dying == DYING_NOT)
 691     collision_swept_object_map(&old_base, &base);
 692
 693   // Handle dying timer:
 694   if (dying == DYING_SQUISHED && !timer.check())
 695     remove_me();
 696 }
 697
 698 void
 699 BadGuy::action_flyingsnowball(double elapsed_time)
 700 {
 701   static const float FLYINGSPEED = 1;
 702   static const int DIRCHANGETIME = 1000;
 703
 704   // go into flyup mode if none specified yet
 705   if(dying == DYING_NOT && mode == NORMAL) {
 706     mode = FLY_UP;
 707     physic.set_velocity_y(FLYINGSPEED);
 708     timer.start(DIRCHANGETIME/2);
 709   }
 710
 711   if(dying == DYING_NOT && !timer.check()) {
 712     if(mode == FLY_UP) {
 713       mode = FLY_DOWN;
 714       physic.set_velocity_y(-FLYINGSPEED);
 715     } else if(mode == FLY_DOWN) {
 716       mode = FLY_UP;
 717       physic.set_velocity_y(FLYINGSPEED);
 718     }
 719     timer.start(DIRCHANGETIME);
 720   }
 721
 722   if(dying != DYING_NOT)
 723     physic.enable_gravity(true);
 724
 725   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 726   if(dying == DYING_NOT || dying == DYING_SQUISHED)
 727     collision_swept_object_map(&old_base, &base);
 728
 729   if(dying == DYING_NOT)
 730     {
 731     // set direction based on tux
 732     if(Sector::current()->player->base.x > base.x)
 733       dir = RIGHT;
 734     else
 735       dir = LEFT;
 736     }
 737
 738   // Handle dying timer:
 739   if (dying == DYING_SQUISHED && !timer.check())
 740     remove_me();
 741 }
 742
 743 void
 744 BadGuy::action_spiky(double elapsed_time)
 745 {
 746   if(frozen_timer.check())
 747     {
 748     set_action("iced-left", "iced-right");
 749     return;
 750     }
 751
 752   if (dying == DYING_NOT)
 753     check_horizontal_bump();
 754
 755   fall();
 756
 757   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 758   if (dying != DYING_FALLING)
 759     collision_swept_object_map(&old_base,&base);
 760 }
 761
 762 void
 763 BadGuy::action_snowball(double elapsed_time)
 764 {
 765   if (dying == DYING_NOT)
 766     check_horizontal_bump();
 767
 768   fall();
 769
 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
 777   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 778   if (dying != DYING_FALLING)
 779     collision_swept_object_map(&old_base,&base);
 780
 781   // Handle dying timer:
 782   if (dying == DYING_SQUISHED && !timer.check())
 783     remove_me();
 784 }
 785
 786 void
 787 BadGuy::action_wingling(double elapsed_time)
 788 {
 789   if (dying != DYING_NOT)
 790     physic.enable_gravity(true);
 791   else
 792   {
 793     Player& tux = *Sector::current()->player;
 794     int dirsign = physic.get_velocity_x() < 0 ? -1 : 1;
 795
 796     if (fabsf(tux.base.x - base.x) < 150 && base.y < tux.base.y && tux.dying == DYING_NOT)
 797     {
 798       if (target.x < 0 && target.y < 0)
 799       {
 800         target.x = tux.base.x;
 801         target.y = tux.base.y;
 802         physic.set_velocity(dirsign * 1.5f, -2.25f);
 803       }
 804     }
 805     else if (base.y >= target.y - 16)
 806       physic.set_velocity(dirsign * WINGLING_FLY_SPEED, 0);
 807   }
 808
 809   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 810
 811
 812   // Handle dying timer:
 813   if (dying == DYING_SQUISHED && !timer.check())
 814     remove_me();
 815
 816   // TODO: Winglings should be removed after flying off the screen
 817 }
 818
 819 void
 820 BadGuy::action_walkingtree(double elapsed_time)
 821 {
 822   if (dying == DYING_NOT)
 823     check_horizontal_bump();
 824
 825   fall();
 826
 827   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 828   if (dying != DYING_FALLING)
 829     collision_swept_object_map(&old_base,&base);
 830
 831   // Handle dying timer:
 832   if (dying == DYING_SQUISHED && !timer.check())
 833     remove_me();
 834 }
 835
 836 void
 837 BadGuy::action(float elapsed_time)
 838 {
 839   float scroll_x = Sector::current()->camera->get_translation().x;
 840   float scroll_y = Sector::current()->camera->get_translation().y;
 841
 842   // BadGuy fall below the ground
 843   if (base.y > Sector::current()->solids->get_height() * 32) {
 844     remove_me();
 845     return;
 846   }
 847
 848   // Kill us if we landed on spikes
 849   if (dying == DYING_NOT
 850       && (kind != BAD_STALACTITE && kind != BAD_FLAME && kind != BAD_BOMB)
 851       && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 852       ||  isspike(base.x, base.y + base.height)
 853       ||  isspike(base.x + base.width, base.y + base.height)))
 854       {
 855          physic.set_velocity_y(3);
 856          kill_me(0);
 857       }
 858
 859   if(!seen)
 860     {
 861     /* Activate badguys if they're just around the screen to avoid
 862      * the effect of having badguys suddenly popping up from nowhere.
 863      */
 864     if (start_position.x > scroll_x - X_OFFSCREEN_DISTANCE &&
 865         start_position.x < scroll_x - base.width &&
 866         start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
 867         start_position.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE)
 868       activate(RIGHT);
 869     else if (start_position.x > scroll_x + screen->w &&
 870         start_position.x < scroll_x + screen->w + X_OFFSCREEN_DISTANCE &&
 871         start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
 872         start_position.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE)
 873       activate(LEFT);
 874     else if (start_position.x > scroll_x - X_OFFSCREEN_DISTANCE &&
 875         start_position.x < scroll_x + screen->w + X_OFFSCREEN_DISTANCE &&
 876         ((start_position.y > scroll_y + screen->h &&
 877         start_position.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE) ||
 878         (start_position.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
 879         start_position.y < scroll_y)))
 880         {
 881         if(start_position.x < scroll_x - screen->w/2)
 882           activate(RIGHT);
 883         else
 884           activate(LEFT);
 885         }
 886     /* Special case for badguys on start of the level.
 887      * If in the future, it's possible to set Tux start pos, this case
 888      * should contemplate that. */
 889     else if (start_position.x > 0 && start_position.x < screen->w &&
 890              start_position.y > 0 && start_position.y < screen->h)
 891       activate(LEFT);
 892     }
 893   else
 894     {
 895     if(base.x + base.width < scroll_x - X_OFFSCREEN_DISTANCE*4
 896       || base.x > scroll_x + screen->w + X_OFFSCREEN_DISTANCE*4
 897       || base.y + base.height < scroll_y - Y_OFFSCREEN_DISTANCE*4
 898       || base.y > scroll_y + screen->h + Y_OFFSCREEN_DISTANCE*4)
 899       {
 900       seen = false;
 901       if(dying != DYING_NOT)
 902         remove_me();
 903       }
 904     }
 905
 906   if(!seen)
 907     return;
 908
 909   switch (kind)
 910     {
 911     case BAD_MRICEBLOCK:
 912       action_mriceblock(elapsed_time);
 913       break;
 914
 915     case BAD_JUMPY:
 916       action_jumpy(elapsed_time);
 917       break;
 918
 919     case BAD_MRBOMB:
 920       action_mrbomb(elapsed_time);
 921       break;
 922
 923     case BAD_BOMB:
 924       action_bomb(elapsed_time);
 925       break;
 926
 927     case BAD_STALACTITE:
 928       action_stalactite(elapsed_time);
 929       break;
 930
 931     case BAD_FLAME:
 932       action_flame(elapsed_time);
 933       break;
 934
 935     case BAD_FISH:
 936     case BAD_FLAMEFISH:
 937       action_fish(elapsed_time);
 938       break;
 939
 940     case BAD_BOUNCINGSNOWBALL:
 941       action_bouncingsnowball(elapsed_time);
 942       break;
 943
 944     case BAD_FLYINGSNOWBALL:
 945       action_flyingsnowball(elapsed_time);
 946       break;
 947
 948     case BAD_SPIKY:
 949       action_spiky(elapsed_time);
 950       break;
 951
 952     case BAD_SNOWBALL:
 953       action_snowball(elapsed_time);
 954       break;
 955
 956     case BAD_WINGLING:
 957       action_wingling(elapsed_time);
 958       break;
 959
 960     case BAD_WALKINGTREE:
 961       action_walkingtree(elapsed_time);
 962       break;
 963
 964     default:
 965       break;
 966     }
 967 }
 968
 969 void
 970 BadGuy::draw(DrawingContext& context)
 971 {
 972   if(!seen)
 973     return;
 974
 975   if((dir == LEFT && action_left == "hide") ||
 976      (dir == RIGHT && action_right == "hide"))
 977     return;
 978
 979   if(dir == LEFT)
 980     specs->sprite->set_action(action_left);
 981   else  // if(dir == RIGHT)
 982     specs->sprite->set_action(action_right);
 983
 984   if(dying == DYING_FALLING && physic.get_velocity_y() < 0)
 985     specs->sprite->draw(context, Vector(base.x, base.y), LAYER_FOREGROUNDTILES+1, VERTICAL_FLIP);
 986   else
 987     specs->sprite->draw(context, Vector(base.x, base.y), LAYER_OBJECTS);
 988
 989   if(debug_mode)
 990     context.draw_filled_rect(Vector(base.x, base.y),
 991         Vector(base.width, base.height), Color(75,0,75, 150), LAYER_OBJECTS+1);
 992 }
 993
 994 void
 995 BadGuy::set_action(std::string left, std::string right)
 996 {
 997   base.width = 32;
 998   base.height = 32;
 999
1000   action_left = left;
1001   action_right = right;
1002
1003 #if 0
1004   if (1)
1005     {
1006       base.width = 32;
1007       base.height = 32;
1008     }
1009   else
1010     {
1011       // FIXME: Using the image size for the physics and collision is
1012       // a bad idea, since images should always overlap their physical
1013       // representation
1014       if(left != 0) {
1015         if(base.width == 0 && base.height == 0) {
1016           base.width  = left->get_width();
1017           base.height = left->get_height();
1018         } else if(base.width != left->get_width() || base.height != left->get_height()) {
1019           base.x -= (left->get_width() - base.width) / 2;
1020           base.y -= left->get_height() - base.height;
1021           base.width = left->get_width();
1022           base.height = left->get_height();
1023           old_base = base;
1024         }
1025       } else {
1026         base.width = base.height = 0;
1027       }
1028     }
1029
1030   animation_offset = 0;
1031   sprite_left  = left;
1032   sprite_right = right;
1033 #endif
1034 }
1035
1036 void
1037 BadGuy::bump()
1038 {
1039   // these can't be bumped
1040   if(kind == BAD_FLAME || kind == BAD_BOMB || kind == BAD_FISH
1041       || kind == BAD_FLAMEFISH || kind == BAD_FLYINGSNOWBALL)
1042     return;
1043
1044   physic.set_velocity_y(3);
1045   kill_me(25);
1046 }
1047
1048 void
1049 BadGuy::squish_me(Player* player)
1050 {
1051   player->bounce(this);
1052
1053   Sector::current()->add_score(Vector(base.x, base.y),
1054                               25 * player_status.score_multiplier);
1055
1056   SoundManager::get()->play_sound(IDToSound(SND_SQUISH), get_pos(), Sector::current()->player->get_pos());
1057   player_status.score_multiplier++;
1058
1059   dying = DYING_SQUISHED;
1060   timer.start(2000);
1061   physic.set_velocity(0, 0);
1062 }
1063
1064 void
1065 BadGuy::squish(Player* player)
1066 {
1067   static const int MAX_ICEBLOCK_SQUICHES = 10;
1068
1069   if(kind == BAD_MRBOMB) {
1070     // mrbomb transforms into a bomb now
1071     explode(false);
1072
1073     player->bounce(this);
1074     Sector::current()->add_score(Vector(base.x, base.y),
1075                                 25 * player_status.score_multiplier);
1076     SoundManager::get()->play_sound(IDToSound(SND_SQUISH), get_pos(), Sector::current()->player->get_pos());
1077
1078     player_status.score_multiplier++;
1079     return;
1080
1081   } else if (kind == BAD_MRICEBLOCK) {
1082     if (mode == NORMAL || mode == KICK)
1083       {
1084         /* Flatten! */
1085         SoundManager::get()->play_sound(IDToSound(SND_STOMP), get_pos(), Sector::current()->player->get_pos());
1086         mode = FLAT;
1087         set_action("flat-left", "flat-right");
1088         physic.set_velocity_x(0);
1089
1090         timer.start(4000);
1091       } else if (mode == FLAT) {
1092         /* Kick! */
1093         SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
1094
1095         if (player->base.x < base.x + (base.width/2)) {
1096           physic.set_velocity_x(5);
1097           dir = RIGHT;
1098         } else {
1099           physic.set_velocity_x(-5);
1100           dir = LEFT;
1101         }
1102
1103         mode = KICK;
1104         player->kick_timer.start(KICKING_TIME);
1105         set_action("flat-left", "flat-right");
1106       }
1107
1108     player->bounce(this);
1109
1110     player_status.score_multiplier++;
1111
1112     // check for maximum number of squishes
1113     squishcount++;
1114     if(squishcount >= MAX_ICEBLOCK_SQUICHES) {
1115       kill_me(50);
1116       return;
1117     }
1118
1119     return;
1120   } else if(kind == BAD_FISH || kind == BAD_FLAMEFISH) {
1121     // fish can only be killed when falling down
1122     if(physic.get_velocity_y() >= 0)
1123       return;
1124
1125     player->bounce(this);
1126
1127     Sector::current()->add_score(Vector(base.x, base.y),
1128                                 25 * player_status.score_multiplier);
1129
1130     player_status.score_multiplier++;
1131
1132     // simply remove the fish...
1133     remove_me();
1134     return;
1135   } else if(kind == BAD_BOUNCINGSNOWBALL) {
1136     squish_me(player);
1137     set_action("squished", "squished");
1138     return;
1139   } else if(kind == BAD_FLYINGSNOWBALL) {
1140     squish_me(player);
1141     set_action("squished-left", "squished-right");
1142     return;
1143   } else if(kind == BAD_SNOWBALL) {
1144     squish_me(player);
1145     set_action("squished-left", "squished-right");
1146     return;
1147   } else if(kind == BAD_WINGLING) {
1148     squish_me(player);
1149     set_action("left", "right");
1150   } else if(kind == BAD_WALKINGTREE) {
1151     if (mode == BGM_BIG)
1152     {
1153       set_action("left-small", "left-small");
1154       physic.set_velocity_x(physic.get_velocity_x() * 2.0f);
1155
1156       /* Move to the player's direction */
1157       if(dir != Sector::current()->player->dir)
1158         physic.set_velocity_x(-physic.get_velocity_x());
1159       dir = Sector::current()->player->dir;
1160
1161       // XXX magic number: 66 is BGM_BIG height
1162
1163       player->bounce(this);
1164       base.y += 66 - base.height;
1165
1166       Sector::current()->add_score(Vector(base.x, base.y),
1167                                 25 * player_status.score_multiplier);
1168       player_status.score_multiplier++;
1169
1170       mode = BGM_SMALL;
1171     }
1172     else
1173       squish_me(player);
1174   }
1175 }
1176
1177 void
1178 BadGuy::kill_me(int score)
1179 {
1180   if(kind == BAD_BOMB)
1181     return;
1182
1183   if(mode != HELD)
1184     global_stats.add_points(BADGUYS_KILLED_STAT, 1);
1185
1186   dying = DYING_FALLING;
1187   if(kind == BAD_MRICEBLOCK) {
1188     set_action("falling-left", "falling-right");
1189     if(mode == HELD) {
1190       mode = NORMAL;
1191       Player& tux = *Sector::current()->player;
1192       tux.holding_something = false;
1193     }
1194   }
1195
1196   physic.enable_gravity(true);
1197
1198   /* Gain some points: */
1199   if (score != 0)
1200     Sector::current()->add_score(Vector(base.x, base.y),
1201                                 score * player_status.score_multiplier);
1202
1203   /* Play death sound: */
1204   SoundManager::get()->play_sound(IDToSound(SND_FALL), this, Sector::current()->player->get_pos());
1205 }
1206
1207 void
1208 BadGuy::explode(bool right_way)
1209 {
1210   BadGuy *badguy = Sector::current()->add_bad_guy(base.x, base.y, BAD_BOMB, true);
1211   if(right_way)
1212     {
1213     badguy->timer.start(0);
1214     badguy->mode = BOMB_TICKING;
1215     }
1216   badguy->dir = dir;
1217
1218   remove_me();
1219 }
1220
1221 void
1222 BadGuy::collision(const MovingObject&, int)
1223 {
1224   // later
1225 }
1226
1227 void
1228 BadGuy::collision(void *p_c_object, int c_object, CollisionType type)
1229 {
1230   BadGuy* pbad_c    = NULL;
1231   Bullet* pbullet_c = NULL;
1232
1233   if(type == COLLISION_BUMP) {
1234     bump();
1235     return;
1236   }
1237
1238   if(type == COLLISION_SQUISH) {
1239     Player* player = static_cast<Player*>(p_c_object);
1240     squish(player);
1241     return;
1242   }
1243
1244   /* COLLISION_NORMAL */
1245   switch (c_object)
1246     {
1247     case CO_BULLET:
1248       pbullet_c = (Bullet*) p_c_object;
1249
1250       if(pbullet_c->kind == FIRE_BULLET)
1251         {
1252         if (kind != BAD_BOMB && kind != BAD_STALACTITE && kind != BAD_FLAME
1253             && kind != BAD_FLAMEFISH)
1254           kill_me(10);
1255         }
1256       else if(pbullet_c->kind == ICE_BULLET)
1257         {
1258         if(kind == BAD_FLAME || kind == BAD_FLAMEFISH)
1259           kill_me(10);
1260         else
1261           frozen_timer.start(FROZEN_TIME);
1262         }
1263       break;
1264
1265     case CO_BADGUY:
1266       pbad_c = (BadGuy*) p_c_object;
1267
1268
1269       /* If we're a kicked mriceblock, kill [almost] any badguys we hit */
1270       if(kind == BAD_MRICEBLOCK && mode == KICK &&
1271          kind != BAD_FLAME && kind != BAD_BOMB && kind != BAD_STALACTITE)
1272         {
1273           pbad_c->kill_me(25);
1274         }
1275
1276       // a held mriceblock kills the enemy too but falls to ground then
1277       else if(kind == BAD_MRICEBLOCK && mode == HELD)
1278         {
1279           pbad_c->kill_me(25);
1280           kill_me(0);
1281         }
1282
1283       /* Kill badguys that run into exploding bomb */
1284       else if (kind == BAD_BOMB && dying == DYING_NOT)
1285       {
1286         if (pbad_c->kind == BAD_MRBOMB)
1287         {
1288           // mrbomb transforms into a bomb now
1289           pbad_c->explode(true);
1290           return;
1291         }
1292         else
1293         {
1294           pbad_c->kill_me(50);
1295         }
1296       }
1297
1298       /* Kill any badguys that get hit by stalactite */
1299       else if (kind == BAD_STALACTITE && dying == DYING_NOT)
1300       {
1301         if (pbad_c->kind == BAD_MRBOMB)
1302         {
1303           // mrbomb transforms into a bomb now
1304           pbad_c->explode(false);
1305           return;
1306         }
1307         else
1308           pbad_c->kill_me(50);
1309       }
1310
1311       /* When enemies run into eachother, make them change directions */
1312       else
1313       {
1314         // Wingling doesn't interact with other badguys
1315         if (pbad_c->kind == BAD_WINGLING || kind == BAD_WINGLING)
1316           break;
1317
1318         // Jumpy, fish, flame, stalactites, wingling are exceptions
1319         if (pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FLAME
1320             || pbad_c->kind == BAD_STALACTITE || pbad_c->kind == BAD_FISH
1321             || pbad_c->kind == BAD_FLAMEFISH)
1322           break;
1323
1324         // Bounce off of other badguy if we land on top of him
1325         if (base.y + base.height < pbad_c->base.y + pbad_c->base.height)
1326         {
1327           if (pbad_c->dir == LEFT)
1328           {
1329             dir = RIGHT;
1330             physic.set_velocity(fabsf(physic.get_velocity_x()), 2);
1331           }
1332           else if (pbad_c->dir == RIGHT)
1333           {
1334             dir = LEFT;
1335             physic.set_velocity(-fabsf(physic.get_velocity_x()), 2);
1336           }
1337
1338           break;
1339         }
1340         else if (base.y + base.height > pbad_c->base.y + pbad_c->base.height)
1341           break;
1342
1343         if (pbad_c->kind != BAD_FLAME)
1344           {
1345             if (dir == LEFT)
1346             {
1347               dir = RIGHT;
1348               physic.set_velocity_x(fabsf(physic.get_velocity_x()));
1349
1350               // Put bad guys a part (or they get jammed)
1351               // only needed to do to one of them
1352               if (physic.get_velocity_x() != 0)
1353                 base.x = pbad_c->base.x + pbad_c->base.width + 1;
1354             }
1355             else if (dir == RIGHT)
1356             {
1357               dir = LEFT;
1358               physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
1359             }
1360
1361           }
1362       }
1363
1364       break;
1365
1366     case CO_PLAYER:
1367       Player* player = static_cast<Player*>(p_c_object);
1368       /* Get kicked if were flat */
1369       if (mode == FLAT && !dying)
1370       {
1371         SoundManager::get()->play_sound(IDToSound(SND_KICK), this, Sector::current()->player->get_pos());
1372
1373         // Hit from left side
1374         if (player->base.x < base.x) {
1375           physic.set_velocity_x(5);
1376           dir = RIGHT;
1377         }
1378         // Hit from right side
1379         else {
1380           physic.set_velocity_x(-5);
1381           dir = LEFT;
1382         }
1383
1384         mode = KICK;
1385         player->kick_timer.start(KICKING_TIME);
1386         set_action("flat-left", "flat-right");
1387       }
1388       break;
1389
1390     }
1391 }
1392
1393 // EOF //