src/badguy.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux
   4 //  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
   5 //  Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
   6 //  Copyright (C) 2004 Matthias Braun <matze@braunis.de>
   7 //
   8 //  This program is free software; you can redistribute it and/or
   9 //  modify it under the terms of the GNU General Public License
  10 //  as published by the Free Software Foundation; either version 2
  11 //  of the License, or (at your option) any later version.
  12 //
  13 //  This program is distributed in the hope that it will be useful,
  14 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 //  GNU General Public License for more details.
  17 //
  18 //  You should have received a copy of the GNU General Public License
  19 //  along with this program; if not, write to the Free Software
  20 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21 //  02111-1307, USA.
  22
  23 #include <iostream>
  24 #include <math.h>
  25
  26 #include "globals.h"
  27 #include "defines.h"
  28 #include "badguy.h"
  29 #include "scene.h"
  30 #include "screen.h"
  31 #include "world.h"
  32 #include "tile.h"
  33 #include "resources.h"
  34 #include "sprite_manager.h"
  35 #include "gameloop.h"
  36 #include "display_manager.h"
  37 #include "lispwriter.h"
  38 #include "viewport.h"
  39
  40 Sprite* img_mriceblock_flat_left;
  41 Sprite* img_mriceblock_flat_right;
  42 Sprite* img_mriceblock_falling_left;
  43 Sprite* img_mriceblock_falling_right;
  44 Sprite* img_mriceblock_left;
  45 Sprite* img_mriceblock_right;
  46 Sprite* img_jumpy_left_up;
  47 Sprite* img_jumpy_left_down;
  48 Sprite* img_jumpy_left_middle;
  49 Sprite* img_jumpy_left_iced;
  50 Sprite* img_mrbomb_left;
  51 Sprite* img_mrbomb_right;
  52 Sprite* img_mrbomb_iced_left;
  53 Sprite* img_mrbomb_iced_right;
  54 Sprite* img_mrbomb_ticking_left;
  55 Sprite* img_mrbomb_ticking_right;
  56 Sprite* img_mrbomb_explosion;
  57 Sprite* img_stalactite;
  58 Sprite* img_stalactite_broken;
  59 Sprite* img_flame;
  60 Sprite* img_fish;
  61 Sprite* img_fish_down;
  62 Sprite* img_fish_iced;
  63 Sprite* img_fish_iced_down;
  64 Sprite* img_bouncingsnowball_left;
  65 Sprite* img_bouncingsnowball_right;
  66 Sprite* img_bouncingsnowball_squished;
  67 Sprite* img_flyingsnowball;
  68 Sprite* img_flyingsnowball_squished;
  69 Sprite* img_spiky_left;
  70 Sprite* img_spiky_right;
  71 Sprite* img_spiky_iced_left;
  72 Sprite* img_spiky_iced_right;
  73 Sprite* img_snowball_left;
  74 Sprite* img_snowball_right;
  75 Sprite* img_snowball_squished_left;
  76 Sprite* img_snowball_squished_right;
  77
  78 #define BADGUY_WALK_SPEED .8f
  79
  80 BadGuyKind  badguykind_from_string(const std::string& str)
  81 {
  82   if (str == "money" || str == "jumpy") // was money in old maps
  83     return BAD_JUMPY;
  84   else if (str == "laptop" || str == "mriceblock") // was laptop in old maps
  85     return BAD_MRICEBLOCK;
  86   else if (str == "mrbomb")
  87     return BAD_MRBOMB;
  88   else if (str == "stalactite")
  89     return BAD_STALACTITE;
  90   else if (str == "flame")
  91     return BAD_FLAME;
  92   else if (str == "fish")
  93     return BAD_FISH;
  94   else if (str == "bouncingsnowball")
  95     return BAD_BOUNCINGSNOWBALL;
  96   else if (str == "flyingsnowball")
  97     return BAD_FLYINGSNOWBALL;
  98   else if (str == "spiky")
  99     return BAD_SPIKY;
 100   else if (str == "snowball" || str == "bsod") // was bsod in old maps
 101     return BAD_SNOWBALL;
 102   else
 103     {
 104       printf("Couldn't convert badguy: '%s'\n", str.c_str());
 105       return BAD_SNOWBALL;
 106     }
 107 }
 108
 109 std::string badguykind_to_string(BadGuyKind kind)
 110 {
 111   switch(kind)
 112     {
 113     case BAD_JUMPY:
 114       return "jumpy";
 115       break;
 116     case BAD_MRICEBLOCK:
 117       return "mriceblock";
 118       break;
 119     case BAD_MRBOMB:
 120       return "mrbomb";
 121       break;
 122     case BAD_STALACTITE:
 123       return "stalactite";
 124       break;
 125     case BAD_FLAME:
 126       return "flame";
 127       break;
 128     case BAD_FISH:
 129       return "fish";
 130       break;
 131     case BAD_BOUNCINGSNOWBALL:
 132       return "bouncingsnowball";
 133       break;
 134     case BAD_FLYINGSNOWBALL:
 135       return "flyingsnowball";
 136       break;
 137     case BAD_SPIKY:
 138       return "spiky";
 139       break;
 140     case BAD_SNOWBALL:
 141       return "snowball";
 142       break;
 143     default:
 144       return "snowball";
 145     }
 146 }
 147
 148 BadGuy::BadGuy(DisplayManager& display_manager, BadGuyKind kind_,
 149     LispReader& lispreader)
 150   : removable(false), squishcount(0)
 151 {
 152   display_manager.add_drawable(this, LAYER_OBJECTS);
 153
 154   base.x = 0;
 155   base.y = 0;
 156   lispreader.read_float("x", &base.x);
 157   lispreader.read_float("y", &base.y);
 158   base.width  = 0;
 159   base.height = 0;
 160
 161   kind     = kind_;
 162
 163   stay_on_platform = false;
 164   lispreader.read_bool("stay-on-platform", &stay_on_platform);
 165
 166   init();
 167 }
 168
 169 BadGuy::BadGuy(DisplayManager& display_manager, BadGuyKind kind_,
 170     float x, float y)
 171 {
 172   display_manager.add_drawable(this, LAYER_OBJECTS);
 173
 174   base.x = x;
 175   base.y = y;
 176   base.width  = 0;
 177   base.height = 0;
 178   stay_on_platform = false;
 179
 180   kind     = kind_;
 181
 182   init();
 183 }
 184
 185 BadGuy::~BadGuy()
 186 {
 187 }
 188
 189 void
 190 BadGuy::init()
 191 {
 192   mode     = NORMAL;
 193   dying    = DYING_NOT;
 194   old_base = base;
 195   dir      = LEFT;
 196   seen     = false;
 197   frozen_timer.init(true);
 198   animation_offset = 0;
 199   sprite_left = sprite_right = 0;
 200   physic.reset();
 201   timer.init(true);
 202
 203   if(kind == BAD_MRBOMB) {
 204     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 205     set_sprite(img_mrbomb_left, img_mrbomb_right);
 206   } else if (kind == BAD_MRICEBLOCK) {
 207     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 208     set_sprite(img_mriceblock_left, img_mriceblock_right);
 209   } else if(kind == BAD_JUMPY) {
 210     set_sprite(img_jumpy_left_up, img_jumpy_left_up);
 211   } else if(kind == BAD_BOMB) {
 212     set_sprite(img_mrbomb_ticking_left, img_mrbomb_ticking_right);
 213     // hack so that the bomb doesn't hurt until it expldes...
 214     dying = DYING_SQUISHED;
 215   } else if(kind == BAD_FLAME) {
 216     angle = 0;
 217     physic.enable_gravity(false);
 218     set_sprite(img_flame, img_flame);
 219   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 220     physic.set_velocity(-1.3, 0);
 221     set_sprite(img_bouncingsnowball_left, img_bouncingsnowball_right);
 222   } else if(kind == BAD_STALACTITE) {
 223     physic.enable_gravity(false);
 224     set_sprite(img_stalactite, img_stalactite);
 225   } else if(kind == BAD_FISH) {
 226     set_sprite(img_fish, img_fish);
 227     physic.enable_gravity(true);
 228   } else if(kind == BAD_FLYINGSNOWBALL) {
 229     set_sprite(img_flyingsnowball, img_flyingsnowball);
 230     physic.enable_gravity(false);
 231   } else if(kind == BAD_SPIKY) {
 232     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 233     set_sprite(img_spiky_left, img_spiky_right);
 234   } else if(kind == BAD_SNOWBALL) {
 235     physic.set_velocity(-BADGUY_WALK_SPEED, 0);
 236     set_sprite(img_snowball_left, img_snowball_right);
 237   }
 238
 239   // if we're in a solid tile at start correct that now
 240   if(kind != BAD_FLAME && kind != BAD_FISH && collision_object_map(base))
 241     {
 242       std::cout << "Warning: badguy started in wall: kind: " << badguykind_to_string(kind)
 243                 << " pos: (" << base.x << ", " << base.y << ")" << std::endl;
 244       while(collision_object_map(base))
 245         --base.y;
 246     }
 247 }
 248
 249 void
 250 BadGuy::write(LispWriter& writer)
 251 {
 252   writer.start_list(badguykind_to_string(kind));
 253
 254   writer.write_float("x", base.x);
 255   writer.write_float("y", base.y);
 256   writer.write_bool("stay-on-platform", stay_on_platform);
 257
 258   writer.end_list(badguykind_to_string(kind));
 259 }
 260
 261 void
 262 BadGuy::action_mriceblock(double elapsed_time)
 263 {
 264   Player& tux = *World::current()->get_tux();
 265
 266   if(mode != HELD)
 267     fall();
 268
 269   /* Move left/right: */
 270   if (mode != HELD)
 271     {
 272       // move
 273       physic.apply(elapsed_time, base.x, base.y);
 274       if (dying != DYING_FALLING)
 275         collision_swept_object_map(&old_base,&base);
 276     }
 277   else if (mode == HELD)
 278     { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 279       /* If we're holding the iceblock */
 280       dir = tux.dir;
 281       if(dir==RIGHT)
 282         {
 283           base.x = tux.base.x + 16;
 284           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 285         }
 286       else /* facing left */
 287         {
 288           base.x = tux.base.x - 16;
 289           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 290         }
 291       if(collision_object_map(base))
 292         {
 293           base.x = tux.base.x;
 294           base.y = tux.base.y + tux.base.height/1.5 - base.height;
 295         }
 296
 297       if(tux.input.fire != DOWN) /* SHOOT! */
 298         {
 299           if(dir == LEFT)
 300             base.x -= 24;
 301           else
 302             base.x += 24;
 303           old_base = base;
 304
 305           mode=KICK;
 306           tux.kick_timer.start(KICKING_TIME);
 307           set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 308           physic.set_velocity_x((dir == LEFT) ? -3.5 : 3.5);
 309           play_sound(sounds[SND_KICK],SOUND_CENTER_SPEAKER);
 310         }
 311     }
 312
 313   if (!dying)
 314     {
 315       int changed = dir;
 316       check_horizontal_bump();
 317       if(mode == KICK && changed != dir)
 318         {
 319           float scroll_x = World::current()->displaymanager
 320             .get_viewport().get_translation().x;
 321
 322           /* handle stereo sound (number 10 should be tweaked...)*/
 323           if (base.x < scroll_x + screen->w/2 - 10)
 324             play_sound(sounds[SND_RICOCHET], SOUND_LEFT_SPEAKER);
 325           else if (base.x > scroll_x + screen->w/2 + 10)
 326             play_sound(sounds[SND_RICOCHET], SOUND_RIGHT_SPEAKER);
 327           else
 328             play_sound(sounds[SND_RICOCHET], SOUND_CENTER_SPEAKER);
 329         }
 330     }
 331
 332   /* Handle mode timer: */
 333   if (mode == FLAT)
 334     {
 335       if(!timer.check())
 336         {
 337           mode = NORMAL;
 338           set_sprite(img_mriceblock_left, img_mriceblock_right);
 339           physic.set_velocity( (dir == LEFT) ? -.8 : .8, 0);
 340         }
 341     }
 342 }
 343
 344 void
 345 BadGuy::check_horizontal_bump(bool checkcliff)
 346 {
 347     float halfheight = base.height / 2;
 348     if (dir == LEFT && issolid( base.x, (int) base.y + halfheight))
 349     {
 350         if (kind == BAD_MRICEBLOCK && mode == KICK)
 351             World::current()->trybreakbrick(base.x, (int) base.y + halfheight, false);
 352
 353         dir = RIGHT;
 354         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 355         return;
 356     }
 357     if (dir == RIGHT && issolid( base.x + base.width, (int)base.y + halfheight))
 358     {
 359         if (kind == BAD_MRICEBLOCK && mode == KICK)
 360             World::current()->trybreakbrick(base.x + base.width, (int) base.y + halfheight, false);
 361
 362         dir = LEFT;
 363         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 364         return;
 365     }
 366
 367     // don't check for cliffs when we're falling
 368     if(!checkcliff)
 369         return;
 370     if(!issolid(base.x + base.width/2, base.y + base.height))
 371         return;
 372
 373     if(dir == LEFT && !issolid(base.x, (int) base.y + base.height + halfheight))
 374     {
 375         dir = RIGHT;
 376         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 377         return;
 378     }
 379     if(dir == RIGHT && !issolid(base.x + base.width,
 380                 (int) base.y + base.height + halfheight))
 381     {
 382         dir = LEFT;
 383         physic.set_velocity(-physic.get_velocity_x(), physic.get_velocity_y());
 384         return;
 385     }
 386 }
 387
 388 void
 389 BadGuy::fall()
 390 {
 391   /* Fall if we get off the ground: */
 392   if (dying != DYING_FALLING)
 393     {
 394       if (!issolid(base.x+base.width/2, base.y + base.height))
 395         {
 396           // not solid below us? enable gravity
 397           physic.enable_gravity(true);
 398         }
 399       else
 400         {
 401           /* Land: */
 402           if (physic.get_velocity_y() < 0)
 403             {
 404               base.y = int((base.y + base.height)/32) * 32 - base.height;
 405               physic.set_velocity_y(0);
 406             }
 407           // no gravity anymore please
 408           physic.enable_gravity(false);
 409
 410           if (stay_on_platform && mode == NORMAL)
 411             {
 412               if (!issolid(base.x + ((dir == LEFT) ? 0 : base.width),
 413                            base.y + base.height))
 414                 {
 415                   if (dir == LEFT)
 416                   {
 417                     dir = RIGHT;
 418                     physic.set_velocity_x(fabsf(physic.get_velocity_x()));
 419                   }
 420                   else
 421                   {
 422                     dir = LEFT;
 423                     physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
 424                   }
 425                 }
 426             }
 427         }
 428     }
 429   else
 430     {
 431       physic.enable_gravity(true);
 432     }
 433 }
 434
 435 void
 436 BadGuy::action_jumpy(double elapsed_time)
 437 {
 438   if(frozen_timer.check())
 439     {
 440     set_sprite(img_jumpy_left_iced, img_jumpy_left_iced);
 441     return;
 442     }
 443
 444   const float vy = physic.get_velocity_y();
 445
 446   // XXX: These tests *should* use location from ground, not velocity
 447   if (fabsf(vy) > 5.6f)
 448     set_sprite(img_jumpy_left_down, img_jumpy_left_down);
 449   else if (fabsf(vy) > 5.3f)
 450     set_sprite(img_jumpy_left_middle, img_jumpy_left_middle);
 451   else
 452     set_sprite(img_jumpy_left_up, img_jumpy_left_up);
 453
 454   Player& tux = *World::current()->get_tux();
 455
 456   static const float JUMPV = 6;
 457
 458   fall();
 459   // jump when on ground
 460   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 461     {
 462       physic.set_velocity_y(JUMPV);
 463       physic.enable_gravity(true);
 464
 465       mode = JUMPY_JUMP;
 466     }
 467   else if(mode == JUMPY_JUMP)
 468     {
 469       mode = NORMAL;
 470     }
 471
 472   // set direction based on tux
 473   if(tux.base.x > base.x)
 474     dir = RIGHT;
 475   else
 476     dir = LEFT;
 477
 478   // move
 479   physic.apply(elapsed_time, base.x, base.y);
 480   if(dying == DYING_NOT)
 481     collision_swept_object_map(&old_base, &base);
 482 }
 483
 484 void
 485 BadGuy::action_mrbomb(double elapsed_time)
 486 {
 487   if(frozen_timer.check())
 488     {
 489     set_sprite(img_mrbomb_iced_left, img_mrbomb_iced_right);
 490     return;
 491     }
 492
 493   if (dying == DYING_NOT)
 494     check_horizontal_bump(true);
 495
 496   fall();
 497
 498   physic.apply(elapsed_time, base.x, base.y);
 499   if (dying != DYING_FALLING)
 500     collision_swept_object_map(&old_base,&base);
 501 }
 502
 503 void
 504 BadGuy::action_bomb(double elapsed_time)
 505 {
 506   static const int TICKINGTIME = 1000;
 507   static const int EXPLODETIME = 1000;
 508
 509   fall();
 510
 511   if(mode == NORMAL) {
 512     mode = BOMB_TICKING;
 513     timer.start(TICKINGTIME);
 514   } else if(!timer.check()) {
 515     if(mode == BOMB_TICKING) {
 516       mode = BOMB_EXPLODE;
 517       set_sprite(img_mrbomb_explosion, img_mrbomb_explosion);
 518       dying = DYING_NOT; // now the bomb hurts
 519       timer.start(EXPLODETIME);
 520
 521       float scroll_x = World::current()->displaymanager
 522         .get_viewport().get_translation().x;
 523
 524       /* play explosion sound */  // FIXME: is the stereo all right? maybe we should use player cordinates...
 525       if (base.x < scroll_x + screen->w/2 - 10)
 526         play_sound(sounds[SND_EXPLODE], SOUND_LEFT_SPEAKER);
 527       else if (base.x > scroll_x + screen->w/2 + 10)
 528         play_sound(sounds[SND_EXPLODE], SOUND_RIGHT_SPEAKER);
 529       else
 530         play_sound(sounds[SND_EXPLODE], SOUND_CENTER_SPEAKER);
 531
 532     } else if(mode == BOMB_EXPLODE) {
 533       remove_me();
 534       return;
 535     }
 536   }
 537
 538   // move
 539   physic.apply(elapsed_time, base.x, base.y);
 540   collision_swept_object_map(&old_base,&base);
 541 }
 542
 543 void
 544 BadGuy::action_stalactite(double elapsed_time)
 545 {
 546   Player& tux = *World::current()->get_tux();
 547
 548   static const int SHAKETIME = 800;
 549   static const int RANGE = 40;
 550
 551   if(mode == NORMAL) {
 552     // start shaking when tux is below the stalactite and at least 40 pixels
 553     // near
 554     if(tux.base.x + 32 > base.x - RANGE && tux.base.x < base.x + 32 + RANGE
 555             && tux.base.y + tux.base.height > base.y) {
 556       timer.start(SHAKETIME);
 557       mode = STALACTITE_SHAKING;
 558     }
 559   } if(mode == STALACTITE_SHAKING) {
 560     base.x = old_base.x + (rand() % 6) - 3; // TODO this could be done nicer...
 561     if(!timer.check()) {
 562       mode = STALACTITE_FALL;
 563     }
 564   } else if(mode == STALACTITE_FALL) {
 565     fall();
 566     /* Destroy if we collides with land */
 567     if(issolid(base.x+base.width/2, base.y+base.height))
 568     {
 569       timer.start(2000);
 570       dying = DYING_SQUISHED;
 571       mode = FLAT;
 572       set_sprite(img_stalactite_broken, img_stalactite_broken);
 573     }
 574   } else if(mode == FLAT) {
 575     fall();
 576   }
 577
 578   // move
 579   physic.apply(elapsed_time, base.x, base.y);
 580
 581   if(dying == DYING_SQUISHED && !timer.check())
 582     remove_me();
 583 }
 584
 585 void
 586 BadGuy::action_flame(double elapsed_time)
 587 {
 588     static const float radius = 100;
 589     static const float speed = 0.02;
 590     base.x = old_base.x + cos(angle) * radius;
 591     base.y = old_base.y + sin(angle) * radius;
 592
 593     angle = fmodf(angle + elapsed_time * speed, 2*M_PI);
 594 }
 595
 596 void
 597 BadGuy::action_fish(double elapsed_time)
 598 {
 599   if(frozen_timer.check())
 600     {
 601     if(physic.get_velocity_y() < 0)
 602       set_sprite(img_fish_iced_down, img_fish_iced_down);
 603     else
 604       set_sprite(img_fish_iced, img_fish_iced);
 605
 606     return;
 607     }
 608
 609   static const float JUMPV = 6;
 610   static const int WAITTIME = 1000;
 611
 612   // go in wait mode when back in water
 613   if(dying == DYING_NOT && gettile(base.x, base.y+ base.height)->water
 614         && physic.get_velocity_y() <= 0 && mode == NORMAL)
 615     {
 616       mode = FISH_WAIT;
 617       set_sprite(0, 0);
 618       physic.set_velocity(0, 0);
 619       physic.enable_gravity(false);
 620       timer.start(WAITTIME);
 621     }
 622   else if(mode == FISH_WAIT && !timer.check())
 623     {
 624       // jump again
 625       set_sprite(img_fish, img_fish);
 626       mode = NORMAL;
 627       physic.set_velocity(0, JUMPV);
 628       physic.enable_gravity(true);
 629     }
 630
 631   physic.apply(elapsed_time, base.x, base.y);
 632   if(dying == DYING_NOT)
 633     collision_swept_object_map(&old_base, &base);
 634
 635   if(physic.get_velocity_y() < 0)
 636     set_sprite(img_fish_down, img_fish_down);
 637 }
 638
 639 void
 640 BadGuy::action_bouncingsnowball(double elapsed_time)
 641 {
 642   static const float JUMPV = 4.5;
 643
 644   fall();
 645
 646   // jump when on ground
 647   if(dying == DYING_NOT && issolid(base.x, base.y+32))
 648     {
 649       physic.set_velocity_y(JUMPV);
 650       physic.enable_gravity(true);
 651     }
 652   else
 653     {
 654       mode = NORMAL;
 655     }
 656
 657   // check for right/left collisions
 658   check_horizontal_bump();
 659
 660   physic.apply(elapsed_time, base.x, base.y);
 661   if(dying == DYING_NOT)
 662     collision_swept_object_map(&old_base, &base);
 663
 664   // Handle dying timer:
 665   if (dying == DYING_SQUISHED && !timer.check())
 666     {
 667       /* Remove it if time's up: */
 668       remove_me();
 669       return;
 670     }
 671 }
 672
 673 void
 674 BadGuy::action_flyingsnowball(double elapsed_time)
 675 {
 676   static const float FLYINGSPEED = 1;
 677   static const int DIRCHANGETIME = 1000;
 678
 679   // go into flyup mode if none specified yet
 680   if(dying == DYING_NOT && mode == NORMAL) {
 681     mode = FLY_UP;
 682     physic.set_velocity_y(FLYINGSPEED);
 683     timer.start(DIRCHANGETIME/2);
 684   }
 685
 686   if(dying == DYING_NOT && !timer.check()) {
 687     if(mode == FLY_UP) {
 688       mode = FLY_DOWN;
 689       physic.set_velocity_y(-FLYINGSPEED);
 690     } else if(mode == FLY_DOWN) {
 691       mode = FLY_UP;
 692       physic.set_velocity_y(FLYINGSPEED);
 693     }
 694     timer.start(DIRCHANGETIME);
 695   }
 696
 697   if(dying != DYING_NOT)
 698     physic.enable_gravity(true);
 699
 700   physic.apply(elapsed_time, base.x, base.y);
 701   if(dying == DYING_NOT || dying == DYING_SQUISHED)
 702     collision_swept_object_map(&old_base, &base);
 703
 704   // Handle dying timer:
 705   if (dying == DYING_SQUISHED && !timer.check())
 706     {
 707       /* Remove it if time's up: */
 708       remove_me();
 709       return;
 710     }
 711 }
 712
 713 void
 714 BadGuy::action_spiky(double elapsed_time)
 715 {
 716   if(frozen_timer.check())
 717     {
 718     set_sprite(img_spiky_iced_left, img_spiky_iced_right);
 719     return;
 720     }
 721
 722   if (dying == DYING_NOT)
 723     check_horizontal_bump();
 724
 725   fall();
 726 #if 0
 727   // jump when we're about to fall
 728   if (physic.get_velocity_y() == 0 &&
 729           !issolid(base.x+base.width/2, base.y + base.height)) {
 730     physic.enable_gravity(true);
 731     physic.set_velocity_y(2);
 732   }
 733 #endif
 734
 735   physic.apply(elapsed_time, base.x, base.y);
 736   if (dying != DYING_FALLING)
 737     collision_swept_object_map(&old_base,&base);
 738 }
 739
 740 void
 741 BadGuy::action_snowball(double elapsed_time)
 742 {
 743   if (dying == DYING_NOT)
 744     check_horizontal_bump();
 745
 746   fall();
 747
 748   physic.apply(elapsed_time, base.x, base.y);
 749   if (dying != DYING_FALLING)
 750     collision_swept_object_map(&old_base,&base);
 751 }
 752
 753 void
 754 BadGuy::action(float elapsed_time)
 755 {
 756   float scroll_x = World::current()->displaymanager
 757     .get_viewport().get_translation().x;
 758   float scroll_y = World::current()->displaymanager
 759     .get_viewport().get_translation().y;
 760
 761   // BadGuy fall below the ground
 762   if (base.y > World::current()->get_level()->height * 32) {
 763     remove_me();
 764     return;
 765   }
 766
 767   // Kill us if we landed on spikes
 768   if (dying == DYING_NOT
 769       && (kind != BAD_STALACTITE && kind != BAD_FLAME && kind != BAD_BOMB)
 770       && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 771       ||  isspike(base.x, base.y + base.height)
 772       ||  isspike(base.x + base.width, base.y + base.height)))
 773       {
 774          physic.set_velocity_y(3);
 775          kill_me(0);
 776       }
 777
 778   // Once it's on screen, it's activated!
 779   if (base.x > scroll_x - X_OFFSCREEN_DISTANCE &&
 780        base.x < scroll_x + screen->w + X_OFFSCREEN_DISTANCE &&
 781        base.y > scroll_y - Y_OFFSCREEN_DISTANCE &&
 782        base.y < scroll_y + screen->h + Y_OFFSCREEN_DISTANCE)
 783     seen = true;
 784
 785   if(!seen)
 786     return;
 787
 788   switch (kind)
 789     {
 790     case BAD_MRICEBLOCK:
 791       action_mriceblock(elapsed_time);
 792       break;
 793
 794     case BAD_JUMPY:
 795       action_jumpy(elapsed_time);
 796       break;
 797
 798     case BAD_MRBOMB:
 799       action_mrbomb(elapsed_time);
 800       break;
 801
 802     case BAD_BOMB:
 803       action_bomb(elapsed_time);
 804       break;
 805
 806     case BAD_STALACTITE:
 807       action_stalactite(elapsed_time);
 808       break;
 809
 810     case BAD_FLAME:
 811       action_flame(elapsed_time);
 812       break;
 813
 814     case BAD_FISH:
 815       action_fish(elapsed_time);
 816       break;
 817
 818     case BAD_BOUNCINGSNOWBALL:
 819       action_bouncingsnowball(elapsed_time);
 820       break;
 821
 822     case BAD_FLYINGSNOWBALL:
 823       action_flyingsnowball(elapsed_time);
 824       break;
 825
 826     case BAD_SPIKY:
 827       action_spiky(elapsed_time);
 828       break;
 829
 830     case BAD_SNOWBALL:
 831       action_snowball(elapsed_time);
 832       break;
 833     default:
 834       break;
 835     }
 836 }
 837
 838 void
 839 BadGuy::draw(ViewPort& viewport, int)
 840 {
 841   float scroll_x = viewport.get_translation().x;
 842   float scroll_y = viewport.get_translation().y;
 843
 844   // Don't try to draw stuff that is outside of the screen
 845   if(base.x <= scroll_x - base.width || base.x >= scroll_x + screen->w)
 846     return;
 847
 848   if(sprite_left == 0 || sprite_right == 0)
 849     {
 850       return;
 851     }
 852
 853   Sprite* sprite = (dir == LEFT) ? sprite_left : sprite_right;
 854   sprite->draw(viewport.world2screen(Vector(base.x, base.y)));
 855
 856   if (debug_mode)
 857     fillrect(base.x - scroll_x, base.y - scroll_y, base.width, base.height, 75,0,75, 150);
 858 }
 859
 860 void
 861 BadGuy::set_sprite(Sprite* left, Sprite* right)
 862 {
 863   if (1)
 864     {
 865       base.width = 32;
 866       base.height = 32;
 867     }
 868   else
 869     {
 870       // FIXME: Using the image size for the physics and collision is
 871       // a bad idea, since images should always overlap there physical
 872       // representation
 873       if(left != 0) {
 874         if(base.width == 0 && base.height == 0) {
 875           base.width  = left->get_width();
 876           base.height = left->get_height();
 877         } else if(base.width != left->get_width() || base.height != left->get_height()) {
 878           base.x -= (left->get_width() - base.width) / 2;
 879           base.y -= left->get_height() - base.height;
 880           base.width = left->get_width();
 881           base.height = left->get_height();
 882           old_base = base;
 883         }
 884       } else {
 885         base.width = base.height = 0;
 886       }
 887     }
 888
 889   animation_offset = 0;
 890   sprite_left  = left;
 891   sprite_right = right;
 892 }
 893
 894 void
 895 BadGuy::bump()
 896 {
 897   // these can't be bumped
 898   if(kind == BAD_FLAME || kind == BAD_BOMB || kind == BAD_FISH
 899       || kind == BAD_FLYINGSNOWBALL)
 900     return;
 901
 902   physic.set_velocity_y(3);
 903   kill_me(25);
 904 }
 905
 906 void
 907 BadGuy::make_player_jump(Player* player)
 908 {
 909   player->physic.set_velocity_y(2);
 910   player->base.y = base.y - player->base.height - 2;
 911 }
 912
 913 void
 914 BadGuy::squish_me(Player* player)
 915 {
 916   make_player_jump(player);
 917
 918   World::current()->add_score(Vector(base.x, base.y),
 919                               50 * player_status.score_multiplier);
 920   play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 921   player_status.score_multiplier++;
 922
 923   dying = DYING_SQUISHED;
 924   timer.start(2000);
 925   physic.set_velocity(0, 0);
 926 }
 927
 928 void
 929 BadGuy::squish(Player* player)
 930 {
 931   static const int MAX_ICEBLOCK_SQUICHES = 10;
 932
 933   if(kind == BAD_MRBOMB) {
 934     // mrbomb transforms into a bomb now
 935     explode();
 936
 937     make_player_jump(player);
 938     World::current()->add_score(Vector(base.x, base.y),
 939                                 50 * player_status.score_multiplier);
 940     play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 941     player_status.score_multiplier++;
 942     return;
 943
 944   } else if (kind == BAD_MRICEBLOCK) {
 945     if (mode == NORMAL || mode == KICK)
 946       {
 947         /* Flatten! */
 948         play_sound(sounds[SND_STOMP], SOUND_CENTER_SPEAKER);
 949         mode = FLAT;
 950         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 951         physic.set_velocity_x(0);
 952
 953         timer.start(4000);
 954       } else if (mode == FLAT) {
 955         /* Kick! */
 956         play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
 957
 958         if (player->base.x < base.x + (base.width/2)) {
 959           physic.set_velocity_x(5);
 960           dir = RIGHT;
 961         } else {
 962           physic.set_velocity_x(-5);
 963           dir = LEFT;
 964         }
 965
 966         mode = KICK;
 967         player->kick_timer.start(KICKING_TIME);
 968         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
 969       }
 970
 971     make_player_jump(player);
 972
 973     player_status.score_multiplier++;
 974
 975     // check for maximum number of squiches
 976     squishcount++;
 977     if(squishcount >= MAX_ICEBLOCK_SQUICHES) {
 978       kill_me(50);
 979       return;
 980     }
 981
 982     return;
 983   } else if(kind == BAD_FISH) {
 984     // fish can only be killed when falling down
 985     if(physic.get_velocity_y() >= 0)
 986       return;
 987
 988     make_player_jump(player);
 989
 990     World::current()->add_score(Vector(base.x, base.y),
 991                                 25 * player_status.score_multiplier);
 992     player_status.score_multiplier++;
 993
 994     // simply remove the fish...
 995     remove_me();
 996     return;
 997   } else if(kind == BAD_BOUNCINGSNOWBALL) {
 998     squish_me(player);
 999     set_sprite(img_bouncingsnowball_squished,img_bouncingsnowball_squished);
1000     return;
1001   } else if(kind == BAD_FLYINGSNOWBALL) {
1002     squish_me(player);
1003     set_sprite(img_flyingsnowball_squished,img_flyingsnowball_squished);
1004     return;
1005   } else if(kind == BAD_SNOWBALL) {
1006     squish_me(player);
1007     set_sprite(img_snowball_squished_left, img_snowball_squished_right);
1008     return;
1009   }
1010 }
1011
1012 void
1013 BadGuy::kill_me(int score)
1014 {
1015   if(kind == BAD_BOMB)
1016     return;
1017
1018   dying = DYING_FALLING;
1019   if(kind == BAD_MRICEBLOCK) {
1020     set_sprite(img_mriceblock_falling_left, img_mriceblock_falling_right);
1021     if(mode == HELD) {
1022       mode = NORMAL;
1023       Player& tux = *World::current()->get_tux();
1024       tux.holding_something = false;
1025     }
1026   }
1027
1028   physic.enable_gravity(true);
1029
1030   /* Gain some points: */
1031   if (score != 0)
1032     World::current()->add_score(Vector(base.x, base.y),
1033                                 score * player_status.score_multiplier);
1034
1035   /* Play death sound: */
1036   play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
1037 }
1038
1039 void
1040 BadGuy::explode()
1041 {
1042   World::current()->add_bad_guy(base.x, base.y, BAD_BOMB);
1043   remove_me();
1044 }
1045
1046 void
1047 BadGuy::collision(const MovingObject&, int)
1048 {
1049   // later
1050 }
1051
1052 void
1053 BadGuy::collision(void *p_c_object, int c_object, CollisionType type)
1054 {
1055   BadGuy* pbad_c    = NULL;
1056   Bullet* pbullet_c = NULL;
1057
1058   if(type == COLLISION_BUMP) {
1059     bump();
1060     return;
1061   }
1062
1063   if(type == COLLISION_SQUISH) {
1064     Player* player = static_cast<Player*>(p_c_object);
1065     squish(player);
1066     return;
1067   }
1068
1069   /* COLLISION_NORMAL */
1070   switch (c_object)
1071     {
1072     case CO_BULLET:
1073       pbullet_c = (Bullet*) p_c_object;
1074
1075       if(pbullet_c->kind == FIRE_BULLET)
1076         {
1077         if (kind != BAD_BOMB && kind != BAD_STALACTITE && kind != BAD_FLAME)
1078           kill_me(10);
1079         }
1080       else if(pbullet_c->kind == ICE_BULLET)
1081         {
1082         //if(kind == BAD_FLAME)
1083         //  kill_me(10);
1084         //else
1085           frozen_timer.start(FROZEN_TIME);
1086         }
1087       break;
1088
1089     case CO_BADGUY:
1090       pbad_c = (BadGuy*) p_c_object;
1091
1092       /* If we're a kicked mriceblock, kill [almost] any badguys we hit */
1093       if(kind == BAD_MRICEBLOCK && mode == KICK &&
1094          kind != BAD_FLAME && kind != BAD_BOMB && kind != BAD_STALACTITE)
1095         {
1096           pbad_c->kill_me(25);
1097         }
1098
1099       // a held mriceblock kills the enemy too but falls to ground then
1100       else if(kind == BAD_MRICEBLOCK && mode == HELD)
1101         {
1102           pbad_c->kill_me(25);
1103           kill_me(0);
1104         }
1105
1106       /* Kill badguys that run into exploding bomb */
1107       else if (kind == BAD_BOMB && dying == DYING_NOT)
1108       {
1109         if (pbad_c->kind == BAD_MRBOMB)
1110         {
1111           // mrbomb transforms into a bomb now
1112           pbad_c->explode();
1113           return;
1114         }
1115         else if (pbad_c->kind != BAD_MRBOMB)
1116         {
1117           pbad_c->kill_me(50);
1118         }
1119       }
1120
1121       /* Kill any badguys that get hit by stalactite */
1122       else if (kind == BAD_STALACTITE && dying == DYING_NOT)
1123       {
1124         if (pbad_c->kind == BAD_MRBOMB)
1125         {
1126           // mrbomb transforms into a bomb now
1127           pbad_c->explode();
1128           return;
1129         }
1130         else
1131           pbad_c->kill_me(50);
1132       }
1133
1134       /* When enemies run into eachother, make them change directions */
1135       else
1136       {
1137         // Jumpy, fish, flame, stalactites are exceptions
1138         if (pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FLAME
1139             || pbad_c->kind == BAD_STALACTITE || pbad_c->kind == BAD_FISH)
1140           break;
1141
1142         // Bounce off of other badguy if we land on top of him
1143         if (base.y + base.height < pbad_c->base.y + pbad_c->base.height)
1144         {
1145           if (pbad_c->dir == LEFT)
1146           {
1147             dir = RIGHT;
1148             physic.set_velocity(fabsf(physic.get_velocity_x()), 2);
1149           }
1150           else if (pbad_c->dir == RIGHT)
1151           {
1152             dir = LEFT;
1153             physic.set_velocity(-fabsf(physic.get_velocity_x()), 2);
1154           }
1155
1156           break;
1157         }
1158         else if (base.y + base.height > pbad_c->base.y + pbad_c->base.height)
1159           break;
1160
1161         if (pbad_c->kind != BAD_FLAME)
1162           {
1163             if (dir == LEFT)
1164             {
1165               dir = RIGHT;
1166               physic.set_velocity_x(fabsf(physic.get_velocity_x()));
1167
1168               // in case badguys get "jammed"
1169               if (physic.get_velocity_x() != 0)
1170                 base.x = pbad_c->base.x + pbad_c->base.width;
1171             }
1172             else if (dir == RIGHT)
1173             {
1174               dir = LEFT;
1175               physic.set_velocity_x(-fabsf(physic.get_velocity_x()));
1176             }
1177
1178           }
1179       }
1180
1181       break;
1182
1183     case CO_PLAYER:
1184       Player* player = static_cast<Player*>(p_c_object);
1185       /* Get kicked if were flat */
1186       if (mode == FLAT && !dying)
1187       {
1188         play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
1189
1190         // Hit from left side
1191         if (player->base.x < base.x) {
1192           physic.set_velocity_x(5);
1193           dir = RIGHT;
1194         }
1195         // Hit from right side
1196         else {
1197           physic.set_velocity_x(-5);
1198           dir = LEFT;
1199         }
1200
1201         mode = KICK;
1202         player->kick_timer.start(KICKING_TIME);
1203         set_sprite(img_mriceblock_flat_left, img_mriceblock_flat_right);
1204       }
1205       break;
1206
1207     }
1208 }
1209
1210
1211 //---------------------------------------------------------------------------
1212
1213 void load_badguy_gfx()
1214 {
1215   img_mriceblock_flat_left = sprite_manager->load("mriceblock-flat-left");
1216   img_mriceblock_flat_right = sprite_manager->load("mriceblock-flat-right");
1217   img_mriceblock_falling_left = sprite_manager->load("mriceblock-falling-left");
1218   img_mriceblock_falling_right = sprite_manager->load("mriceblock-falling-right");
1219   img_mriceblock_left = sprite_manager->load("mriceblock-left");
1220   img_mriceblock_right = sprite_manager->load("mriceblock-right");
1221   img_jumpy_left_up = sprite_manager->load("jumpy-left-up");
1222   img_jumpy_left_down = sprite_manager->load("jumpy-left-down");
1223   img_jumpy_left_middle = sprite_manager->load("jumpy-left-middle");
1224   img_jumpy_left_iced = sprite_manager->load("jumpy-left-iced");
1225   img_mrbomb_left = sprite_manager->load("mrbomb-left");
1226   img_mrbomb_right = sprite_manager->load("mrbomb-right");
1227   img_mrbomb_iced_left = sprite_manager->load("mrbomb-iced-left");
1228   img_mrbomb_iced_right = sprite_manager->load("mrbomb-iced-right");
1229   img_mrbomb_ticking_left = sprite_manager->load("mrbomb-ticking-left");
1230   img_mrbomb_ticking_right = sprite_manager->load("mrbomb-ticking-right");
1231   img_mrbomb_explosion = sprite_manager->load("mrbomb-explosion");
1232   img_stalactite = sprite_manager->load("stalactite");
1233   img_stalactite_broken = sprite_manager->load("stalactite-broken");
1234   img_flame = sprite_manager->load("flame");
1235   img_fish = sprite_manager->load("fish");
1236   img_fish_down = sprite_manager->load("fish-down");
1237   img_fish_iced = sprite_manager->load("fish-iced");
1238   img_fish_iced_down = sprite_manager->load("fish-iced-down");
1239   img_bouncingsnowball_left = sprite_manager->load("bouncingsnowball-left");
1240   img_bouncingsnowball_right = sprite_manager->load("bouncingsnowball-right");
1241   img_bouncingsnowball_squished = sprite_manager->load("bouncingsnowball-squished");
1242   img_flyingsnowball = sprite_manager->load("flyingsnowball");
1243   img_flyingsnowball_squished = sprite_manager->load("flyingsnowball-squished");
1244   img_spiky_left = sprite_manager->load("spiky-left");
1245   img_spiky_right = sprite_manager->load("spiky-right");
1246   img_spiky_iced_left = sprite_manager->load("spiky-iced-left");
1247   img_spiky_iced_right = sprite_manager->load("spiky-iced-right");
1248   img_snowball_left = sprite_manager->load("snowball-left");
1249   img_snowball_right = sprite_manager->load("snowball-right");
1250   img_snowball_squished_left = sprite_manager->load("snowball-squished-left");
1251   img_snowball_squished_right = sprite_manager->load("snowball-squished-right");
1252 }
1253
1254 void free_badguy_gfx()
1255 {
1256 }
1257
1258 // EOF //