src/player.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux -  A Jump'n Run
   4 //  Copyright (C) 2003 Tobias Glaesser <tobi.web@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #include <math.h>
  21 #include <iostream>
  22 #include <cassert>
  23 #include "gameloop.h"
  24 #include "globals.h"
  25 #include "player.h"
  26 #include "defines.h"
  27 #include "scene.h"
  28 #include "tile.h"
  29 #include "sprite.h"
  30 #include "sector.h"
  31 #include "tilemap.h"
  32 #include "camera.h"
  33 #include "gameobjs.h"
  34 #include "interactive_object.h"
  35 #include "screen/screen.h"
  36
  37 // behavior definitions:
  38 #define TILES_FOR_BUTTJUMP 3
  39 // animation times (in ms):
  40 #define SHOOTING_TIME 320
  41 // others stuff:
  42 #define AUTOSCROLL_DEAD_INTERVAL 300
  43
  44 Surface* tux_life;
  45
  46 Sprite* smalltux_gameover;
  47 Sprite* smalltux_star;
  48 Sprite* largetux_star;
  49 Sprite* growingtux_left;
  50 Sprite* growingtux_right;
  51
  52 PlayerSprite smalltux;
  53 PlayerSprite largetux;
  54 PlayerSprite icetux;
  55 PlayerSprite firetux;
  56
  57 PlayerKeymap keymap;
  58
  59 PlayerKeymap::PlayerKeymap()
  60 {
  61   keymap.jump  = SDLK_SPACE;
  62   keymap.activate = SDLK_UP;
  63   keymap.duck  = SDLK_DOWN;
  64   keymap.left  = SDLK_LEFT;
  65   keymap.right = SDLK_RIGHT;
  66   keymap.fire  = SDLK_LCTRL;
  67 }
  68
  69 void player_input_init(player_input_type* pplayer_input)
  70 {
  71   pplayer_input->down = UP;
  72   pplayer_input->fire = UP;
  73   pplayer_input->left = UP;
  74   pplayer_input->old_fire = UP;
  75   pplayer_input->right = UP;
  76   pplayer_input->up = UP;
  77   pplayer_input->old_up = UP;
  78   pplayer_input->activate = UP;
  79 }
  80
  81 Player::Player()
  82 {
  83   init();
  84 }
  85
  86 Player::~Player()
  87 {
  88 }
  89
  90 void
  91 Player::init()
  92 {
  93   holding_something = false;
  94
  95   base.width = 32;
  96   base.height = 32;
  97
  98   size = SMALL;
  99   got_power = NONE_POWER;
 100
 101   base.x = 0;
 102   base.y = 0;
 103   previous_base = old_base = base;
 104   dir = RIGHT;
 105   old_dir = dir;
 106   duck = false;
 107   dead = false;
 108
 109   dying   = DYING_NOT;
 110   last_ground_y = 0;
 111   fall_mode = ON_GROUND;
 112   jumping = false;
 113   can_jump = true;
 114   butt_jump = false;
 115
 116   frame_main = 0;
 117   frame_ = 0;
 118
 119   player_input_init(&input);
 120
 121   invincible_timer.init(true);
 122   skidding_timer.init(true);
 123   safe_timer.init(true);
 124   frame_timer.init(true);
 125   kick_timer.init(true);
 126   shooting_timer.init(true);
 127   growing_timer.init(true);
 128
 129   physic.reset();
 130 }
 131
 132 int
 133 Player::key_event(SDLKey key, int state)
 134 {
 135   if(key == keymap.right)
 136     {
 137       input.right = state;
 138       return true;
 139     }
 140   else if(key == keymap.left)
 141     {
 142       input.left = state;
 143       return true;
 144     }
 145   else if(key == keymap.jump)
 146     {
 147       input.up = state;
 148       return true;
 149     }
 150   else if(key == keymap.duck)
 151     {
 152       input.down = state;
 153       return true;
 154     }
 155   else if(key == keymap.fire)
 156     {
 157       if (state == UP)
 158         input.old_fire = UP;
 159       input.fire = state;
 160       return true;
 161     }
 162   else if(key == keymap.activate)
 163     {
 164       input.activate = state;
 165
 166       if(state == DOWN) {
 167         /** check for interactive objects */
 168         for(Sector::InteractiveObjects::iterator i
 169             = Sector::current()->interactive_objects.begin();
 170             i != Sector::current()->interactive_objects.end(); ++i) {
 171           if(rectcollision(base, (*i)->get_area())) {
 172             (*i)->interaction(INTERACTION_ACTIVATE);
 173           }
 174         }
 175       }
 176
 177       return true;
 178     }
 179   else
 180     return false;
 181 }
 182
 183 void
 184 Player::level_begin()
 185 {
 186   base.x  = 100;
 187   base.y  = 170;
 188   previous_base = old_base = base;
 189   duck = false;
 190
 191   dying = DYING_NOT;
 192
 193   player_input_init(&input);
 194
 195   invincible_timer.init(true);
 196   skidding_timer.init(true);
 197   safe_timer.init(true);
 198   frame_timer.init(true);
 199   growing_timer.init(true);
 200
 201   physic.reset();
 202 }
 203
 204 void
 205 Player::action(float elapsed_time)
 206 {
 207   bool jumped_in_solid = false;
 208
 209   if(dying && !dying_timer.check()) {
 210     dead = true;
 211     return;
 212   }
 213
 214   if (input.fire == UP)
 215     holding_something = false;
 216
 217   /* Move tux: */
 218   previous_base = base;
 219
 220   /* --- HANDLE TUX! --- */
 221   if(dying == DYING_NOT)
 222     handle_input();
 223
 224   physic.apply(elapsed_time, base.x, base.y);
 225
 226   if(dying == DYING_NOT)
 227     {
 228       base_type target = base;
 229
 230       collision_swept_object_map(&old_base, &base);
 231
 232       if ((!invincible_timer.started() && !safe_timer.started())
 233           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 234           ||  isspike(base.x, base.y + base.height)
 235           ||  isspike(base.x + base.width, base.y + base.height)))
 236       {
 237          kill(SHRINK);
 238       }
 239
 240       // Don't accelerate Tux if he is running against a wall
 241       if (target.x != base.x)
 242         {
 243           physic.set_velocity_x(0);
 244         }
 245
 246       // special exception for cases where we're stuck under tiles after
 247       // being ducked. In this case we drift out
 248       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 249          && collision_object_map(base))
 250         {
 251           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 252           previous_base = old_base = base;
 253         }
 254
 255       // Land:
 256       if (!on_ground())
 257         {
 258           physic.enable_gravity(true);
 259           if(under_solid())
 260             {
 261               // fall down
 262               physic.set_velocity_y(0);
 263               jumped_in_solid = true;
 264               jumping = false;
 265             }
 266         }
 267       else
 268         {
 269           /* Land: */
 270           if (physic.get_velocity_y() < 0)
 271             {
 272               base.y = (int)(((int)base.y / 32) * 32);
 273               physic.set_velocity_y(0);
 274             }
 275
 276           physic.enable_gravity(false);
 277           /* Reset score multiplier (for multi-hits): */
 278           if (!invincible_timer.started())
 279             player_status.score_multiplier = 1;
 280         }
 281
 282       if(jumped_in_solid)
 283         {
 284           if (isbrick(base.x, base.y) ||
 285               isfullbox(base.x, base.y))
 286             {
 287               Sector::current()->trygrabdistro(
 288                   Vector(base.x, base.y - 32), BOUNCE);
 289               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 290
 291               Sector::current()->trybreakbrick(
 292                   Vector(base.x, base.y), size == SMALL);
 293
 294               bumpbrick(base.x, base.y);
 295               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 296             }
 297
 298           if (isbrick(base.x+ 31, base.y) ||
 299               isfullbox(base.x+ 31, base.y))
 300             {
 301               Sector::current()->trygrabdistro(
 302                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 303               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 304
 305               if(size == BIG)
 306                 Sector::current()->trybreakbrick(
 307                     Vector(base.x+ 31, base.y), size == SMALL);
 308
 309               bumpbrick(base.x+ 31, base.y);
 310               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 311             }
 312         }
 313
 314       grabdistros();
 315
 316       if (jumped_in_solid)
 317         {
 318           ++base.y;
 319           ++old_base.y;
 320           if(on_ground())
 321             {
 322               /* Make sure jumping is off. */
 323               jumping = false;
 324             }
 325         }
 326     }
 327
 328   /* ---- DONE HANDLING TUX! --- */
 329
 330   // check some timers
 331   skidding_timer.check();
 332   invincible_timer.check();
 333   safe_timer.check();
 334   kick_timer.check();
 335 }
 336
 337 bool
 338 Player::on_ground()
 339 {
 340   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 341            issolid(base.x + 1, base.y + base.height) ||
 342            issolid(base.x + base.width - 1, base.y + base.height));
 343 }
 344
 345 bool
 346 Player::under_solid()
 347 {
 348   return ( issolid(base.x + base.width / 2, base.y) ||
 349            issolid(base.x + 1, base.y) ||
 350            issolid(base.x + base.width - 1, base.y)  );
 351 }
 352
 353 bool
 354 Player::tiles_on_air(int tiles)
 355 {
 356   for(int t = 0; t != tiles; t++)
 357      {
 358      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 359          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 360          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 361        return false;
 362      }
 363   return true;
 364 }
 365
 366 void
 367 Player::handle_horizontal_input()
 368 {
 369   float vx = physic.get_velocity_x();
 370   float vy = physic.get_velocity_y();
 371   float ax = physic.get_acceleration_x();
 372   float ay = physic.get_acceleration_y();
 373
 374   float dirsign = 0;
 375   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 376       old_dir = dir;
 377       dir = LEFT;
 378       dirsign = -1;
 379   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 380       old_dir = dir;
 381       dir = RIGHT;
 382       dirsign = 1;
 383   }
 384
 385   if (input.fire == UP) {
 386       ax = dirsign * WALK_ACCELERATION_X;
 387       // limit speed
 388       if(vx >= MAX_WALK_XM && dirsign > 0) {
 389         vx = MAX_WALK_XM;
 390         ax = 0;
 391       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 392         vx = -MAX_WALK_XM;
 393         ax = 0;
 394       }
 395   } else {
 396       ax = dirsign * RUN_ACCELERATION_X;
 397       // limit speed
 398       if(vx >= MAX_RUN_XM && dirsign > 0) {
 399         vx = MAX_RUN_XM;
 400         ax = 0;
 401       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 402         vx = -MAX_RUN_XM;
 403         ax = 0;
 404       }
 405   }
 406
 407   // we can reach WALK_SPEED without any acceleration
 408   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 409     vx = dirsign * WALK_SPEED;
 410   }
 411
 412   // changing directions?
 413   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 414       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 415           skidding_timer.start(SKID_TIME);
 416           play_sound(sounds[SND_SKID], SOUND_CENTER_SPEAKER);
 417           ax *= 2.5;
 418       } else {
 419           ax *= 2;
 420       }
 421   }
 422
 423   // we get slower when not pressing any keys
 424   if(dirsign == 0) {
 425       if(fabs(vx) < WALK_SPEED) {
 426           vx = 0;
 427           ax = 0;
 428       } else if(vx < 0) {
 429           ax = WALK_ACCELERATION_X * 1.5;
 430       } else {
 431           ax = WALK_ACCELERATION_X * -1.5;
 432       }
 433   }
 434
 435   // if we're on ice slow down acceleration or deceleration
 436   if (isice(base.x, base.y + base.height))
 437   {
 438     /* the acceleration/deceleration rate on ice is inversely proportional to
 439      * the current velocity.
 440      */
 441
 442     // increasing 1 will increase acceleration/deceleration rate
 443     // decreasing 1 will decrease acceleration/deceleration rate
 444     //  must stay above zero, though
 445     if (ax != 0) ax *= 1 / fabs(vx);
 446   }
 447
 448   physic.set_velocity(vx, vy);
 449   physic.set_acceleration(ax, ay);
 450 }
 451
 452 void
 453 Player::handle_vertical_input()
 454 {
 455   // set fall mode...
 456   if(on_ground()) {
 457     fall_mode = ON_GROUND;
 458     last_ground_y = base.y;
 459   } else {
 460     if(base.y > last_ground_y)
 461       fall_mode = FALLING;
 462     else if(fall_mode == ON_GROUND)
 463       fall_mode = JUMPING;
 464   }
 465
 466   // Press jump key
 467   if(input.up == DOWN && can_jump && on_ground())
 468     {
 469       if(duck) { // only jump a little bit when in duck mode {
 470         physic.set_velocity_y(3);
 471       } else {
 472         // jump higher if we are running
 473         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 474           physic.set_velocity_y(5.8);
 475         else
 476           physic.set_velocity_y(5.2);
 477       }
 478
 479       --base.y;
 480       jumping = true;
 481       can_jump = false;
 482       if (size == SMALL)
 483         play_sound(sounds[SND_JUMP], SOUND_CENTER_SPEAKER);
 484       else
 485         play_sound(sounds[SND_BIGJUMP], SOUND_CENTER_SPEAKER);
 486     }
 487   // Let go of jump key
 488   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 489     {
 490       jumping = false;
 491       physic.set_velocity_y(0);
 492     }
 493
 494    /* In case the player has pressed Down while in a certain range of air,
 495       enable butt jump action */
 496   if (input.down == DOWN && !butt_jump)
 497     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 498       butt_jump = true;
 499
 500    /* When Down is not held anymore, disable butt jump */
 501   if(butt_jump && input.down == UP)
 502     butt_jump = false;
 503
 504   // Do butt jump
 505   if (butt_jump && on_ground() && size == BIG)
 506   {
 507     butt_jump = false;
 508
 509     // Break bricks beneath Tux
 510     if(Sector::current()->trybreakbrick(
 511           Vector(base.x + 1, base.y + base.height), false)
 512         || Sector::current()->trybreakbrick(
 513            Vector(base.x + base.width - 1, base.y + base.height), false))
 514     {
 515       physic.set_velocity_y(2);
 516       butt_jump = true;
 517     }
 518
 519     // Kill nearby badguys
 520     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 521     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 522          i != gameobjects.end();
 523          i++)
 524     {
 525       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 526       if(badguy)
 527       {
 528         if (fabsf(base.x - badguy->base.x) < 300 &&
 529             fabsf(base.y - badguy->base.y) < 300 &&
 530             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 531               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 532           badguy->kill_me(25);
 533       }
 534     }
 535   }
 536
 537   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 538         issolid(base.x + 1, base.y + base.height + 64) ||
 539         issolid(base.x + base.width - 1, base.y + base.height + 64))
 540        && jumping  == false
 541        && can_jump == false
 542        && input.up == DOWN
 543        && input.old_up == UP)
 544     {
 545       can_jump = true;
 546     }
 547
 548   if(on_ground())   /* Make sure jumping is off. */
 549     jumping = false;
 550
 551   input.old_up = input.up;
 552 }
 553
 554 void
 555 Player::handle_input()
 556 {
 557   /* Handle horizontal movement: */
 558     handle_horizontal_input();
 559
 560   /* Jump/jumping? */
 561
 562   if (on_ground() && input.up == UP)
 563     can_jump = true;
 564   handle_vertical_input();
 565
 566   /* Shoot! */
 567   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 568     {
 569       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 570           physic.get_velocity_x(), dir))
 571         shooting_timer.start(SHOOTING_TIME);
 572       input.old_fire = DOWN;
 573     }
 574
 575   /* tux animations: */
 576   if(!frame_timer.check())
 577     {
 578       frame_timer.start(25);
 579       if (input.right == UP && input.left == UP)
 580         {
 581           frame_main = 1;
 582           frame_ = 1;
 583         }
 584       else
 585         {
 586           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 587               (global_frame_counter % 4) == 0)
 588             frame_main = (frame_main + 1) % 4;
 589
 590           frame_ = frame_main;
 591
 592           if (frame_ == 3)
 593             frame_ = 1;
 594         }
 595     }
 596
 597   /* Duck! */
 598   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 599     {
 600       duck = true;
 601       base.height = 32;
 602       base.y += 32;
 603       // changing base size confuses collision otherwise
 604       old_base = previous_base = base;
 605     }
 606   else if(input.down == UP && size == BIG && duck)
 607     {
 608       // try if we can really unduck
 609       base.y -= 32;
 610       base.height = 64;
 611       // when unducking in air we need some space to do so
 612       if(on_ground() || !collision_object_map(base)) {
 613         duck = false;
 614         // changing base size confuses collision otherwise
 615         old_base = previous_base = base;
 616       } else {
 617         // undo the ducking changes
 618         base.y += 32;
 619         base.height = 32;
 620       }
 621     }
 622 }
 623
 624 void
 625 Player::grow(bool animate)
 626 {
 627   if(size == BIG)
 628     return;
 629
 630   size = BIG;
 631   base.height = 64;
 632   base.y -= 32;
 633
 634   if(animate)
 635     growing_timer.start((int)((growingtux_left->get_frames() / growingtux_left->get_fps()) * 1000));
 636
 637   old_base = previous_base = base;
 638 }
 639
 640 void
 641 Player::grabdistros()
 642 {
 643   /* Grab distros: */
 644   if (!dying)
 645     {
 646       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 647       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 648
 649       Sector::current()->trygrabdistro(
 650           Vector(base.x, base.y + base.height), NO_BOUNCE);
 651       Sector::current()->trygrabdistro(
 652           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 653
 654       if(size == BIG)
 655         {
 656           Sector::current()->trygrabdistro(
 657               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 658           Sector::current()->trygrabdistro(
 659               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 660         }
 661
 662     }
 663
 664   /* Enough distros for a One-up? */
 665   if (player_status.distros >= DISTROS_LIFEUP)
 666     {
 667       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 668       if(player_status.lives < MAX_LIVES)
 669         ++player_status.lives;
 670       /*We want to hear the sound even, if MAX_LIVES is reached*/
 671       play_sound(sounds[SND_LIFEUP], SOUND_CENTER_SPEAKER);
 672     }
 673 }
 674
 675 void
 676 Player::draw(DrawingContext& context)
 677 {
 678   PlayerSprite* sprite;
 679
 680   if (size == SMALL)
 681     sprite = &smalltux;
 682   else if (got_power == FIRE_POWER)
 683     sprite = &firetux;
 684   else if (got_power == ICE_POWER)
 685     sprite = &icetux;
 686   else
 687     sprite = &largetux;
 688
 689   int layer = LAYER_OBJECTS - 1;
 690   Vector pos = Vector(base.x, base.y);
 691
 692   if (!safe_timer.started() || (global_frame_counter % 2) == 0)
 693     {
 694       if (dying == DYING_SQUISHED)
 695         {
 696           smalltux_gameover->draw(context, pos, LAYER_OBJECTS);
 697         }
 698       else
 699         {
 700           if(growing_timer.check())
 701             {
 702               if (dir == RIGHT)
 703                 growingtux_right->draw(context, pos, layer);
 704               else
 705                 growingtux_left->draw(context, pos, layer);
 706             }
 707           else if (duck && size != SMALL)
 708             {
 709               if (dir == RIGHT)
 710                 sprite->duck_right->draw(context, pos, layer);
 711               else
 712                 sprite->duck_left->draw(context, pos, layer);
 713             }
 714           else if (skidding_timer.started())
 715             {
 716               if (dir == RIGHT)
 717                 sprite->skid_right->draw(context, pos, layer);
 718               else
 719                 sprite->skid_left->draw(context, pos, layer);
 720             }
 721           else if (kick_timer.started())
 722             {
 723               if (dir == RIGHT)
 724                 sprite->kick_right->draw(context, pos, layer);
 725               else
 726                 sprite->kick_left->draw(context, pos, layer);
 727             }
 728           else if (physic.get_velocity_y() != 0)
 729             {
 730               if (dir == RIGHT)
 731                 sprite->jump_right->draw(context, pos, layer);
 732               else
 733                 sprite->jump_left->draw(context, pos, layer);
 734             }
 735           else
 736             {
 737               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 738                 {
 739                   if (dir == RIGHT)
 740                     sprite->stand_right->draw(context, pos, layer);
 741                   else
 742                     sprite->stand_left->draw(context, pos, layer);
 743                 }
 744               else // moving
 745                 {
 746                   if (dir == RIGHT)
 747                     sprite->walk_right->draw(context, pos, layer);
 748                   else
 749                     sprite->walk_left->draw(context, pos, layer);
 750                 }
 751             }
 752         }
 753     }
 754
 755   // Draw arm overlay graphics when Tux is holding something
 756   if ((holding_something && physic.get_velocity_y() == 0) || shooting_timer.check() && !duck)
 757   {
 758     if (dir == RIGHT)
 759       sprite->grab_right->draw(context, pos, LAYER_OBJECTS + 1);
 760     else
 761       sprite->grab_left->draw(context, pos, LAYER_OBJECTS + 1);
 762   }
 763
 764   // Draw blinking star overlay
 765   if (invincible_timer.started() &&
 766       (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 767   {
 768     if (size == SMALL || duck)
 769       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 770     else
 771       largetux_star->draw(context, pos, LAYER_OBJECTS + 2);
 772   }
 773
 774   if (debug_mode)
 775     context.draw_filled_rect(Vector(base.x, base.y),
 776         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 777 }
 778
 779 void
 780 Player::collision(const MovingObject& other, int collision_type)
 781 {
 782   (void) other;
 783   (void) collision_type;
 784   // will be implemented later
 785 }
 786
 787 void
 788 Player::collision(void* p_c_object, int c_object)
 789 {
 790   BadGuy* pbad_c = NULL;
 791   Trampoline* ptramp_c = NULL;
 792   FlyingPlatform* pplatform_c = NULL;
 793
 794   switch (c_object)
 795     {
 796     case CO_BADGUY:
 797       pbad_c = (BadGuy*) p_c_object;
 798
 799      /* Hurt player if he touches a badguy */
 800       if (!pbad_c->dying && !dying &&
 801           !safe_timer.started() &&
 802           pbad_c->mode != BadGuy::HELD)
 803         {
 804           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 805                && !holding_something)
 806             {
 807               holding_something = true;
 808               pbad_c->mode = BadGuy::HELD;
 809               pbad_c->base.y-=8;
 810             }
 811           else if (pbad_c->mode == BadGuy::FLAT)
 812             {
 813               // Don't get hurt if we're kicking a flat badguy!
 814             }
 815           else if (pbad_c->mode == BadGuy::KICK)
 816             {
 817               /* Hurt if you get hit by kicked laptop: */
 818               if (!invincible_timer.started())
 819                 {
 820                   kill(SHRINK);
 821                 }
 822               else
 823                 pbad_c->kill_me(20);
 824             }
 825           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 826               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 827               || pbad_c->kind == BAD_SPIKY))
 828                 pbad_c->kill_me(20);
 829           else
 830             {
 831               if (!invincible_timer.started())
 832                 {
 833                   kill(SHRINK);
 834                 }
 835               else
 836                 {
 837                   pbad_c->kill_me(25);
 838                 }
 839             }
 840           player_status.score_multiplier++;
 841         }
 842       break;
 843
 844     case CO_TRAMPOLINE:
 845       ptramp_c = (Trampoline*) p_c_object;
 846
 847       // Pick up trampoline
 848       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 849       {
 850         holding_something = true;
 851         ptramp_c->mode = Trampoline::M_HELD;
 852         ptramp_c->base.y -= 8;
 853       }
 854       // Set down trampoline
 855       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 856       {
 857         holding_something = false;
 858         ptramp_c->mode = Trampoline::M_NORMAL;
 859         ptramp_c->base.y += 8;
 860         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 861
 862         //if (dir == RIGHT)
 863         //  ptramp_c->base.x = base.x + base.width+1;
 864         //else /* LEFT */
 865         //  ptramp_c->base.x = base.x - base.width-1;
 866       }
 867 /*
 868       // Don't let tux walk through trampoline
 869       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 870       {
 871         if (physic.get_velocity_x() > 0) // RIGHT
 872         {
 873           physic.set_velocity_x(0);
 874           base.x = ptramp_c->base.x - base.width;
 875         }
 876         else if (physic.get_velocity_x() < 0) // LEFT
 877         {
 878           physic.set_velocity_x(0);
 879           base.x = ptramp_c->base.x + ptramp_c->base.width;
 880         }
 881       }
 882 */
 883       break;
 884     case CO_FLYING_PLATFORM:
 885       pplatform_c = (FlyingPlatform*) p_c_object;
 886
 887       base.y = pplatform_c->base.y - base.height;
 888       physic.set_velocity_x(pplatform_c->get_vel_x());
 889
 890       physic.enable_gravity(false);
 891       can_jump = true;
 892       fall_mode = ON_GROUND;
 893       break;
 894
 895     default:
 896       break;
 897     }
 898
 899 }
 900
 901 /* Kill Player! */
 902
 903 void
 904 Player::kill(HurtMode mode)
 905 {
 906   if(dying)
 907     return;
 908
 909   play_sound(sounds[SND_HURT], SOUND_CENTER_SPEAKER);
 910
 911   physic.set_velocity_x(0);
 912
 913   if (mode == SHRINK && size == BIG)
 914     {
 915       if (got_power != NONE_POWER)
 916         {
 917           got_power = NONE_POWER;
 918         }
 919       else
 920         {
 921           size = SMALL;
 922           base.height = 32;
 923           duck = false;
 924         }
 925       safe_timer.start(TUX_SAFE_TIME);
 926     }
 927   else
 928     {
 929       physic.enable_gravity(true);
 930       physic.set_acceleration(0, 0);
 931       physic.set_velocity(0, 7);
 932       --player_status.lives;
 933       dying = DYING_SQUISHED;
 934       dying_timer.start(3000);
 935     }
 936 }
 937
 938 /* Remove Tux's power ups */
 939 void
 940 Player::remove_powerups()
 941 {
 942   got_power = NONE_POWER;
 943   size = SMALL;
 944   base.height = 32;
 945 }
 946
 947 void
 948 Player::move(const Vector& vector)
 949 {
 950   base.x = vector.x;
 951   base.y = vector.y;
 952   old_base = previous_base = base;
 953 }
 954
 955 void
 956 Player::check_bounds(Camera* camera)
 957 {
 958   /* Keep tux in bounds: */
 959   if (base.x < 0)
 960     { // Lock Tux to the size of the level, so that he doesn't fall of
 961       // on the left side
 962       base.x = 0;
 963     }
 964
 965   /* Keep in-bounds, vertically: */
 966   if (base.y > Sector::current()->solids->get_height() * 32)
 967     {
 968       kill(KILL);
 969       return;
 970     }
 971
 972   bool adjust = false;
 973   // can happen if back scrolling is disabled
 974   if(base.x < camera->get_translation().x) {
 975     base.x = camera->get_translation().x;
 976     adjust = true;
 977   }
 978   if(base.x >= camera->get_translation().x + screen->w - base.width) {
 979     base.x = camera->get_translation().x + screen->w - base.width;
 980     adjust = true;
 981   }
 982
 983   if(adjust) {
 984     // squished now?
 985     if(collision_object_map(base)) {
 986       kill(KILL);
 987       return;
 988     }
 989   }
 990 }
 991