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 "resources.h"
  35 #include "interactive_object.h"
  36 #include "screen/screen.h"
  37
  38 // behavior definitions:
  39 #define TILES_FOR_BUTTJUMP 3
  40 // animation times (in ms):
  41 #define SHOOTING_TIME 320
  42 // others stuff:
  43 #define AUTOSCROLL_DEAD_INTERVAL 300
  44
  45 Surface* tux_life;
  46
  47 Sprite* smalltux_gameover;
  48 Sprite* smalltux_star;
  49 Sprite* largetux_star;
  50 Sprite* growingtux_left;
  51 Sprite* growingtux_right;
  52
  53 PlayerSprite smalltux;
  54 PlayerSprite largetux;
  55 PlayerSprite icetux;
  56 PlayerSprite firetux;
  57
  58 PlayerKeymap keymap;
  59
  60 PlayerKeymap::PlayerKeymap()
  61 {
  62   keymap.jump  = SDLK_SPACE;
  63   keymap.activate = SDLK_UP;
  64   keymap.duck  = SDLK_DOWN;
  65   keymap.left  = SDLK_LEFT;
  66   keymap.right = SDLK_RIGHT;
  67   keymap.fire  = SDLK_LCTRL;
  68 }
  69
  70 void player_input_init(player_input_type* pplayer_input)
  71 {
  72   pplayer_input->down = UP;
  73   pplayer_input->fire = UP;
  74   pplayer_input->left = UP;
  75   pplayer_input->old_fire = UP;
  76   pplayer_input->right = UP;
  77   pplayer_input->up = UP;
  78   pplayer_input->old_up = UP;
  79   pplayer_input->activate = UP;
  80 }
  81
  82 Player::Player()
  83 {
  84   init();
  85 }
  86
  87 Player::~Player()
  88 {
  89 }
  90
  91 void
  92 Player::init()
  93 {
  94   holding_something = false;
  95
  96   base.width = 32;
  97   base.height = 32;
  98
  99   size = SMALL;
 100   got_power = NONE_POWER;
 101
 102   base.x = 0;
 103   base.y = 0;
 104   previous_base = old_base = base;
 105   dir = RIGHT;
 106   old_dir = dir;
 107   duck = false;
 108   dead = false;
 109
 110   dying   = DYING_NOT;
 111   last_ground_y = 0;
 112   fall_mode = ON_GROUND;
 113   jumping = false;
 114   can_jump = true;
 115   butt_jump = false;
 116
 117   frame_main = 0;
 118   frame_ = 0;
 119
 120   player_input_init(&input);
 121
 122   invincible_timer.init(true);
 123   skidding_timer.init(true);
 124   safe_timer.init(true);
 125   frame_timer.init(true);
 126   kick_timer.init(true);
 127   shooting_timer.init(true);
 128   growing_timer.init(true);
 129
 130   physic.reset();
 131 }
 132
 133 int
 134 Player::key_event(SDLKey key, int state)
 135 {
 136   if(key == keymap.right)
 137     {
 138       input.right = state;
 139       return true;
 140     }
 141   else if(key == keymap.left)
 142     {
 143       input.left = state;
 144       return true;
 145     }
 146   else if(key == keymap.jump)
 147     {
 148       input.up = state;
 149       return true;
 150     }
 151   else if(key == keymap.duck)
 152     {
 153       input.down = state;
 154       return true;
 155     }
 156   else if(key == keymap.fire)
 157     {
 158       if (state == UP)
 159         input.old_fire = UP;
 160       input.fire = state;
 161       return true;
 162     }
 163   else if(key == keymap.activate)
 164     {
 165       input.activate = state;
 166
 167       if(state == DOWN) {
 168         /** check for interactive objects */
 169         for(Sector::InteractiveObjects::iterator i
 170             = Sector::current()->interactive_objects.begin();
 171             i != Sector::current()->interactive_objects.end(); ++i) {
 172           if(rectcollision(base, (*i)->get_area())) {
 173             (*i)->interaction(INTERACTION_ACTIVATE);
 174           }
 175         }
 176       }
 177
 178       return true;
 179     }
 180   else
 181     return false;
 182 }
 183
 184 void
 185 Player::level_begin()
 186 {
 187   base.x  = 100;
 188   base.y  = 170;
 189   previous_base = old_base = base;
 190   duck = false;
 191
 192   dying = DYING_NOT;
 193
 194   player_input_init(&input);
 195
 196   invincible_timer.init(true);
 197   skidding_timer.init(true);
 198   safe_timer.init(true);
 199   frame_timer.init(true);
 200   growing_timer.init(true);
 201
 202   physic.reset();
 203 }
 204
 205 void
 206 Player::action(float elapsed_time)
 207 {
 208   bool jumped_in_solid = false;
 209
 210   if(dying && !dying_timer.check()) {
 211     dead = true;
 212     return;
 213   }
 214
 215   if (input.fire == UP)
 216     holding_something = false;
 217
 218   /* Move tux: */
 219   previous_base = base;
 220
 221   /* --- HANDLE TUX! --- */
 222   if(dying == DYING_NOT)
 223     handle_input();
 224
 225   physic.apply(elapsed_time, base.x, base.y);
 226
 227   if(dying == DYING_NOT)
 228     {
 229       base_type target = base;
 230
 231       collision_swept_object_map(&old_base, &base);
 232
 233       if ((!invincible_timer.started() && !safe_timer.started())
 234           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 235           ||  isspike(base.x, base.y + base.height)
 236           ||  isspike(base.x + base.width, base.y + base.height)))
 237       {
 238          kill(SHRINK);
 239       }
 240
 241       // Don't accelerate Tux if he is running against a wall
 242       if (target.x != base.x)
 243         {
 244           physic.set_velocity_x(0);
 245         }
 246
 247       // special exception for cases where we're stuck under tiles after
 248       // being ducked. In this case we drift out
 249       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 250          && collision_object_map(base))
 251         {
 252           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 253           previous_base = old_base = base;
 254         }
 255
 256       // Land:
 257       if (!on_ground())
 258         {
 259           physic.enable_gravity(true);
 260           if(under_solid())
 261             {
 262               // fall down
 263               physic.set_velocity_y(0);
 264               jumped_in_solid = true;
 265               jumping = false;
 266             }
 267         }
 268       else
 269         {
 270           /* Land: */
 271           if (physic.get_velocity_y() < 0)
 272             {
 273               base.y = (int)(((int)base.y / 32) * 32);
 274               physic.set_velocity_y(0);
 275             }
 276
 277           physic.enable_gravity(false);
 278           /* Reset score multiplier (for multi-hits): */
 279           if (!invincible_timer.started())
 280             player_status.score_multiplier = 1;
 281         }
 282
 283       if(jumped_in_solid)
 284         {
 285           if (isbrick(base.x, base.y) ||
 286               isfullbox(base.x, base.y))
 287             {
 288               Sector::current()->trygrabdistro(
 289                   Vector(base.x, base.y - 32), BOUNCE);
 290               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 291
 292               Sector::current()->trybreakbrick(
 293                   Vector(base.x, base.y), size == SMALL);
 294
 295               bumpbrick(base.x, base.y);
 296               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 297             }
 298
 299           if (isbrick(base.x+ 31, base.y) ||
 300               isfullbox(base.x+ 31, base.y))
 301             {
 302               Sector::current()->trygrabdistro(
 303                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 304               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 305
 306               if(size == BIG)
 307                 Sector::current()->trybreakbrick(
 308                     Vector(base.x+ 31, base.y), size == SMALL);
 309
 310               bumpbrick(base.x+ 31, base.y);
 311               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 312             }
 313         }
 314
 315       grabdistros();
 316
 317       if (jumped_in_solid)
 318         {
 319           ++base.y;
 320           ++old_base.y;
 321           if(on_ground())
 322             {
 323               /* Make sure jumping is off. */
 324               jumping = false;
 325             }
 326         }
 327     }
 328
 329   /* ---- DONE HANDLING TUX! --- */
 330
 331   // check some timers
 332   skidding_timer.check();
 333   invincible_timer.check();
 334   safe_timer.check();
 335   kick_timer.check();
 336 }
 337
 338 bool
 339 Player::on_ground()
 340 {
 341   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 342            issolid(base.x + 1, base.y + base.height) ||
 343            issolid(base.x + base.width - 1, base.y + base.height));
 344 }
 345
 346 bool
 347 Player::under_solid()
 348 {
 349   return ( issolid(base.x + base.width / 2, base.y) ||
 350            issolid(base.x + 1, base.y) ||
 351            issolid(base.x + base.width - 1, base.y)  );
 352 }
 353
 354 bool
 355 Player::tiles_on_air(int tiles)
 356 {
 357   for(int t = 0; t != tiles; t++)
 358      {
 359      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 360          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 361          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 362        return false;
 363      }
 364   return true;
 365 }
 366
 367 void
 368 Player::handle_horizontal_input()
 369 {
 370   float vx = physic.get_velocity_x();
 371   float vy = physic.get_velocity_y();
 372   float ax = physic.get_acceleration_x();
 373   float ay = physic.get_acceleration_y();
 374
 375   float dirsign = 0;
 376   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 377       old_dir = dir;
 378       dir = LEFT;
 379       dirsign = -1;
 380   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 381       old_dir = dir;
 382       dir = RIGHT;
 383       dirsign = 1;
 384   }
 385
 386   if (input.fire == UP) {
 387       ax = dirsign * WALK_ACCELERATION_X;
 388       // limit speed
 389       if(vx >= MAX_WALK_XM && dirsign > 0) {
 390         vx = MAX_WALK_XM;
 391         ax = 0;
 392       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 393         vx = -MAX_WALK_XM;
 394         ax = 0;
 395       }
 396   } else {
 397       ax = dirsign * RUN_ACCELERATION_X;
 398       // limit speed
 399       if(vx >= MAX_RUN_XM && dirsign > 0) {
 400         vx = MAX_RUN_XM;
 401         ax = 0;
 402       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 403         vx = -MAX_RUN_XM;
 404         ax = 0;
 405       }
 406   }
 407
 408   // we can reach WALK_SPEED without any acceleration
 409   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 410     vx = dirsign * WALK_SPEED;
 411   }
 412
 413   // changing directions?
 414   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 415       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 416           skidding_timer.start(SKID_TIME);
 417           sound_manager->play_sound(sounds[SND_SKID]);
 418           ax *= 2.5;
 419       } else {
 420           ax *= 2;
 421       }
 422   }
 423
 424   // we get slower when not pressing any keys
 425   if(dirsign == 0) {
 426       if(fabs(vx) < WALK_SPEED) {
 427           vx = 0;
 428           ax = 0;
 429       } else if(vx < 0) {
 430           ax = WALK_ACCELERATION_X * 1.5;
 431       } else {
 432           ax = WALK_ACCELERATION_X * -1.5;
 433       }
 434   }
 435
 436   // if we're on ice slow down acceleration or deceleration
 437   if (isice(base.x, base.y + base.height))
 438   {
 439     /* the acceleration/deceleration rate on ice is inversely proportional to
 440      * the current velocity.
 441      */
 442
 443     // increasing 1 will increase acceleration/deceleration rate
 444     // decreasing 1 will decrease acceleration/deceleration rate
 445     //  must stay above zero, though
 446     if (ax != 0) ax *= 1 / fabs(vx);
 447   }
 448
 449   physic.set_velocity(vx, vy);
 450   physic.set_acceleration(ax, ay);
 451 }
 452
 453 void
 454 Player::handle_vertical_input()
 455 {
 456   // set fall mode...
 457   if(on_ground()) {
 458     fall_mode = ON_GROUND;
 459     last_ground_y = base.y;
 460   } else {
 461     if(base.y > last_ground_y)
 462       fall_mode = FALLING;
 463     else if(fall_mode == ON_GROUND)
 464       fall_mode = JUMPING;
 465   }
 466
 467   // Press jump key
 468   if(input.up == DOWN && can_jump && on_ground())
 469     {
 470       if(duck) { // only jump a little bit when in duck mode {
 471         physic.set_velocity_y(3);
 472       } else {
 473         // jump higher if we are running
 474         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 475           physic.set_velocity_y(5.8);
 476         else
 477           physic.set_velocity_y(5.2);
 478       }
 479
 480       --base.y;
 481       jumping = true;
 482       can_jump = false;
 483       if (size == SMALL)
 484         sound_manager->play_sound(sounds[SND_JUMP]);
 485       else
 486         sound_manager->play_sound(sounds[SND_BIGJUMP]);
 487     }
 488   // Let go of jump key
 489   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 490     {
 491       jumping = false;
 492       physic.set_velocity_y(0);
 493     }
 494
 495    /* In case the player has pressed Down while in a certain range of air,
 496       enable butt jump action */
 497   if (input.down == DOWN && !butt_jump)
 498     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 499       butt_jump = true;
 500
 501    /* When Down is not held anymore, disable butt jump */
 502   if(butt_jump && input.down == UP)
 503     butt_jump = false;
 504
 505   // Do butt jump
 506   if (butt_jump && on_ground() && size == BIG)
 507   {
 508     butt_jump = false;
 509
 510     // Break bricks beneath Tux
 511     if(Sector::current()->trybreakbrick(
 512           Vector(base.x + 1, base.y + base.height), false)
 513         || Sector::current()->trybreakbrick(
 514            Vector(base.x + base.width - 1, base.y + base.height), false))
 515     {
 516       physic.set_velocity_y(2);
 517       butt_jump = true;
 518     }
 519
 520     // Kill nearby badguys
 521     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 522     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 523          i != gameobjects.end();
 524          i++)
 525     {
 526       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 527       if(badguy)
 528       {
 529         if (fabsf(base.x - badguy->base.x) < 300 &&
 530             fabsf(base.y - badguy->base.y) < 300 &&
 531             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 532               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 533           badguy->kill_me(25);
 534       }
 535     }
 536   }
 537
 538   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 539         issolid(base.x + 1, base.y + base.height + 64) ||
 540         issolid(base.x + base.width - 1, base.y + base.height + 64))
 541        && jumping  == false
 542        && can_jump == false
 543        && input.up == DOWN
 544        && input.old_up == UP)
 545     {
 546       can_jump = true;
 547     }
 548
 549   if(on_ground())   /* Make sure jumping is off. */
 550     jumping = false;
 551
 552   input.old_up = input.up;
 553 }
 554
 555 void
 556 Player::handle_input()
 557 {
 558   /* Handle horizontal movement: */
 559     handle_horizontal_input();
 560
 561   /* Jump/jumping? */
 562
 563   if (on_ground() && input.up == UP)
 564     can_jump = true;
 565   handle_vertical_input();
 566
 567   /* Shoot! */
 568   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 569     {
 570       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 571           physic.get_velocity_x(), dir))
 572         shooting_timer.start(SHOOTING_TIME);
 573       input.old_fire = DOWN;
 574     }
 575
 576   /* tux animations: */
 577   if(!frame_timer.check())
 578     {
 579       frame_timer.start(25);
 580       if (input.right == UP && input.left == UP)
 581         {
 582           frame_main = 1;
 583           frame_ = 1;
 584         }
 585       else
 586         {
 587           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 588               (global_frame_counter % 4) == 0)
 589             frame_main = (frame_main + 1) % 4;
 590
 591           frame_ = frame_main;
 592
 593           if (frame_ == 3)
 594             frame_ = 1;
 595         }
 596     }
 597
 598   /* Duck! */
 599   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 600     {
 601       duck = true;
 602       base.height = 32;
 603       base.y += 32;
 604       // changing base size confuses collision otherwise
 605       old_base = previous_base = base;
 606     }
 607   else if(input.down == UP && size == BIG && duck)
 608     {
 609       // try if we can really unduck
 610       base.y -= 32;
 611       base.height = 64;
 612       // when unducking in air we need some space to do so
 613       if(on_ground() || !collision_object_map(base)) {
 614         duck = false;
 615         // changing base size confuses collision otherwise
 616         old_base = previous_base = base;
 617       } else {
 618         // undo the ducking changes
 619         base.y += 32;
 620         base.height = 32;
 621       }
 622     }
 623 }
 624
 625 void
 626 Player::grow(bool animate)
 627 {
 628   if(size == BIG)
 629     return;
 630
 631   size = BIG;
 632   base.height = 64;
 633   base.y -= 32;
 634
 635   if(animate)
 636     growing_timer.start((int)((growingtux_left->get_frames() / growingtux_left->get_fps()) * 1000));
 637
 638   old_base = previous_base = base;
 639 }
 640
 641 void
 642 Player::grabdistros()
 643 {
 644   /* Grab distros: */
 645   if (!dying)
 646     {
 647       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 648       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 649
 650       Sector::current()->trygrabdistro(
 651           Vector(base.x, base.y + base.height), NO_BOUNCE);
 652       Sector::current()->trygrabdistro(
 653           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 654
 655       if(size == BIG)
 656         {
 657           Sector::current()->trygrabdistro(
 658               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 659           Sector::current()->trygrabdistro(
 660               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 661         }
 662
 663     }
 664
 665   /* Enough distros for a One-up? */
 666   if (player_status.distros >= DISTROS_LIFEUP)
 667     {
 668       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 669       if(player_status.lives < MAX_LIVES)
 670         ++player_status.lives;
 671       /*We want to hear the sound even, if MAX_LIVES is reached*/
 672       sound_manager->play_sound(sounds[SND_LIFEUP]);
 673     }
 674 }
 675
 676 void
 677 Player::draw(DrawingContext& context)
 678 {
 679   PlayerSprite* sprite;
 680
 681   if (size == SMALL)
 682     sprite = &smalltux;
 683   else if (got_power == FIRE_POWER)
 684     sprite = &firetux;
 685   else if (got_power == ICE_POWER)
 686     sprite = &icetux;
 687   else
 688     sprite = &largetux;
 689
 690   int layer = LAYER_OBJECTS - 1;
 691   Vector pos = Vector(base.x, base.y);
 692
 693   if (!safe_timer.started() || (global_frame_counter % 2) == 0)
 694     {
 695       if (dying == DYING_SQUISHED)
 696         {
 697           smalltux_gameover->draw(context, pos, LAYER_OBJECTS+1);
 698         }
 699       else
 700         {
 701           if(growing_timer.check())
 702             {
 703               if (dir == RIGHT)
 704                 growingtux_right->draw(context, pos, layer);
 705               else
 706                 growingtux_left->draw(context, pos, layer);
 707             }
 708           else if (duck && size != SMALL)
 709             {
 710               if (dir == RIGHT)
 711                 sprite->duck_right->draw(context, pos, layer);
 712               else
 713                 sprite->duck_left->draw(context, pos, layer);
 714             }
 715           else if (skidding_timer.started())
 716             {
 717               if (dir == RIGHT)
 718                 sprite->skid_right->draw(context, pos, layer);
 719               else
 720                 sprite->skid_left->draw(context, pos, layer);
 721             }
 722           else if (kick_timer.started())
 723             {
 724               if (dir == RIGHT)
 725                 sprite->kick_right->draw(context, pos, layer);
 726               else
 727                 sprite->kick_left->draw(context, pos, layer);
 728             }
 729           else if (physic.get_velocity_y() != 0)
 730             {
 731               if (dir == RIGHT)
 732                 sprite->jump_right->draw(context, pos, layer);
 733               else
 734                 sprite->jump_left->draw(context, pos, layer);
 735             }
 736           else
 737             {
 738               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 739                 {
 740                   if (dir == RIGHT)
 741                     sprite->stand_right->draw(context, pos, layer);
 742                   else
 743                     sprite->stand_left->draw(context, pos, layer);
 744                 }
 745               else // moving
 746                 {
 747                   if (dir == RIGHT)
 748                     sprite->walk_right->draw(context, pos, layer);
 749                   else
 750                     sprite->walk_left->draw(context, pos, layer);
 751                 }
 752             }
 753         }
 754     }
 755
 756   // Draw arm overlay graphics when Tux is holding something
 757   if ((holding_something && physic.get_velocity_y() == 0) || shooting_timer.check() && !duck)
 758   {
 759     if (dir == RIGHT)
 760       sprite->grab_right->draw(context, pos, LAYER_OBJECTS + 1);
 761     else
 762       sprite->grab_left->draw(context, pos, LAYER_OBJECTS + 1);
 763   }
 764
 765   // Draw blinking star overlay
 766   if (invincible_timer.started() &&
 767       (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 768   {
 769     if (size == SMALL || duck)
 770       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 771     else
 772       largetux_star->draw(context, pos, LAYER_OBJECTS + 2);
 773   }
 774
 775   if (debug_mode)
 776     context.draw_filled_rect(Vector(base.x, base.y),
 777         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 778 }
 779
 780 void
 781 Player::collision(const MovingObject& other, int collision_type)
 782 {
 783   (void) other;
 784   (void) collision_type;
 785   // will be implemented later
 786 }
 787
 788 void
 789 Player::collision(void* p_c_object, int c_object)
 790 {
 791   BadGuy* pbad_c = NULL;
 792   Trampoline* ptramp_c = NULL;
 793   FlyingPlatform* pplatform_c = NULL;
 794
 795   switch (c_object)
 796     {
 797     case CO_BADGUY:
 798       pbad_c = (BadGuy*) p_c_object;
 799
 800      /* Hurt player if he touches a badguy */
 801       if (!pbad_c->dying && !dying &&
 802           !safe_timer.started() &&
 803           pbad_c->mode != BadGuy::HELD)
 804         {
 805           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 806                && !holding_something)
 807             {
 808               holding_something = true;
 809               pbad_c->mode = BadGuy::HELD;
 810               pbad_c->base.y-=8;
 811             }
 812           else if (pbad_c->mode == BadGuy::FLAT)
 813             {
 814               // Don't get hurt if we're kicking a flat badguy!
 815             }
 816           else if (pbad_c->mode == BadGuy::KICK)
 817             {
 818               /* Hurt if you get hit by kicked laptop: */
 819               if (!invincible_timer.started())
 820                 {
 821                   kill(SHRINK);
 822                 }
 823               else
 824                 pbad_c->kill_me(20);
 825             }
 826           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 827               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 828               || pbad_c->kind == BAD_SPIKY))
 829                 pbad_c->kill_me(20);
 830           else
 831             {
 832               if (!invincible_timer.started())
 833                 {
 834                   kill(SHRINK);
 835                 }
 836               else
 837                 {
 838                   pbad_c->kill_me(25);
 839                 }
 840             }
 841           player_status.score_multiplier++;
 842         }
 843       break;
 844
 845     case CO_TRAMPOLINE:
 846       ptramp_c = (Trampoline*) p_c_object;
 847
 848       // Pick up trampoline
 849       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 850       {
 851         holding_something = true;
 852         ptramp_c->mode = Trampoline::M_HELD;
 853         ptramp_c->base.y -= 8;
 854       }
 855       // Set down trampoline
 856       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 857       {
 858         holding_something = false;
 859         ptramp_c->mode = Trampoline::M_NORMAL;
 860         ptramp_c->base.y += 8;
 861         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 862
 863         //if (dir == RIGHT)
 864         //  ptramp_c->base.x = base.x + base.width+1;
 865         //else /* LEFT */
 866         //  ptramp_c->base.x = base.x - base.width-1;
 867       }
 868 /*
 869       // Don't let tux walk through trampoline
 870       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 871       {
 872         if (physic.get_velocity_x() > 0) // RIGHT
 873         {
 874           physic.set_velocity_x(0);
 875           base.x = ptramp_c->base.x - base.width;
 876         }
 877         else if (physic.get_velocity_x() < 0) // LEFT
 878         {
 879           physic.set_velocity_x(0);
 880           base.x = ptramp_c->base.x + ptramp_c->base.width;
 881         }
 882       }
 883 */
 884       break;
 885     case CO_FLYING_PLATFORM:
 886       pplatform_c = (FlyingPlatform*) p_c_object;
 887
 888       base.y = pplatform_c->base.y - base.height;
 889       physic.set_velocity_x(pplatform_c->get_vel_x());
 890
 891       physic.enable_gravity(false);
 892       can_jump = true;
 893       fall_mode = ON_GROUND;
 894       break;
 895
 896     default:
 897       break;
 898     }
 899
 900 }
 901
 902 /* Kill Player! */
 903
 904 void
 905 Player::kill(HurtMode mode)
 906 {
 907   if(dying)
 908     return;
 909
 910   sound_manager->play_sound(sounds[SND_HURT]);
 911
 912   physic.set_velocity_x(0);
 913
 914   if (mode == SHRINK && size == BIG)
 915     {
 916       if (got_power != NONE_POWER)
 917         {
 918           got_power = NONE_POWER;
 919         }
 920       else
 921         {
 922           size = SMALL;
 923           base.height = 32;
 924           duck = false;
 925         }
 926       safe_timer.start(TUX_SAFE_TIME);
 927     }
 928   else
 929     {
 930       physic.enable_gravity(true);
 931       physic.set_acceleration(0, 0);
 932       physic.set_velocity(0, 7);
 933       --player_status.lives;
 934       dying = DYING_SQUISHED;
 935       dying_timer.start(3000);
 936     }
 937 }
 938
 939 /* Remove Tux's power ups */
 940 void
 941 Player::remove_powerups()
 942 {
 943   got_power = NONE_POWER;
 944   size = SMALL;
 945   base.height = 32;
 946 }
 947
 948 void
 949 Player::move(const Vector& vector)
 950 {
 951   base.x = vector.x;
 952   base.y = vector.y;
 953   old_base = previous_base = base;
 954 }
 955
 956 void
 957 Player::check_bounds(Camera* camera)
 958 {
 959   /* Keep tux in bounds: */
 960   if (base.x < 0)
 961     { // Lock Tux to the size of the level, so that he doesn't fall of
 962       // on the left side
 963       base.x = 0;
 964     }
 965
 966   /* Keep in-bounds, vertically: */
 967   if (base.y > Sector::current()->solids->get_height() * 32)
 968     {
 969       kill(KILL);
 970       return;
 971     }
 972
 973   bool adjust = false;
 974   // can happen if back scrolling is disabled
 975   if(base.x < camera->get_translation().x) {
 976     base.x = camera->get_translation().x;
 977     adjust = true;
 978   }
 979   if(base.x >= camera->get_translation().x + screen->w - base.width) {
 980     base.x = camera->get_translation().x + screen->w - base.width;
 981     adjust = true;
 982   }
 983
 984   if(adjust) {
 985     // squished now?
 986     if(collision_object_map(base)) {
 987       kill(KILL);
 988       return;
 989     }
 990   }
 991 }
 992