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 #define STOMP_TIME 250
  43 // others stuff:
  44 #define AUTOSCROLL_DEAD_INTERVAL 300
  45
  46 // growing animation
  47 Surface* growingtux_left[GROWING_FRAMES];
  48 Surface* growingtux_right[GROWING_FRAMES];
  49
  50 Surface* tux_life;
  51
  52 Sprite* smalltux_gameover;
  53 Sprite* smalltux_star;
  54 Sprite* largetux_star;
  55
  56 PlayerSprite smalltux;
  57 PlayerSprite largetux;
  58 PlayerSprite icetux;
  59 PlayerSprite firetux;
  60
  61 PlayerKeymap keymap;
  62
  63 PlayerKeymap::PlayerKeymap()
  64 {
  65   keymap.jump  = SDLK_SPACE;
  66   keymap.activate = SDLK_UP;
  67   keymap.duck  = SDLK_DOWN;
  68   keymap.left  = SDLK_LEFT;
  69   keymap.right = SDLK_RIGHT;
  70   keymap.fire  = SDLK_LCTRL;
  71 }
  72
  73 void player_input_init(player_input_type* pplayer_input)
  74 {
  75   pplayer_input->down = UP;
  76   pplayer_input->fire = UP;
  77   pplayer_input->left = UP;
  78   pplayer_input->old_fire = UP;
  79   pplayer_input->right = UP;
  80   pplayer_input->up = UP;
  81   pplayer_input->old_up = UP;
  82   pplayer_input->activate = UP;
  83 }
  84
  85 Player::Player()
  86 {
  87   init();
  88 }
  89
  90 Player::~Player()
  91 {
  92 }
  93
  94 void
  95 Player::init()
  96 {
  97   holding_something = false;
  98
  99   base.width = 32;
 100   base.height = 32;
 101
 102   size = SMALL;
 103   got_power = NONE_POWER;
 104
 105   base.x = 0;
 106   base.y = 0;
 107   previous_base = old_base = base;
 108   dir = RIGHT;
 109   old_dir = dir;
 110   duck = false;
 111   dead = false;
 112
 113   dying   = DYING_NOT;
 114   last_ground_y = 0;
 115   fall_mode = ON_GROUND;
 116   jumping = false;
 117   can_jump = true;
 118   butt_jump = false;
 119
 120   stomp_pos = Vector(0,0);
 121   frame_main = 0;
 122   frame_ = 0;
 123
 124   player_input_init(&input);
 125
 126   invincible_timer.init(true);
 127   skidding_timer.init(true);
 128   safe_timer.init(true);
 129   frame_timer.init(true);
 130   kick_timer.init(true);
 131   shooting_timer.init(true);
 132   growing_timer.init(true);
 133
 134   physic.reset();
 135 }
 136
 137 int
 138 Player::key_event(SDLKey key, int state)
 139 {
 140   if(key == keymap.right)
 141     {
 142       input.right = state;
 143       return true;
 144     }
 145   else if(key == keymap.left)
 146     {
 147       input.left = state;
 148       return true;
 149     }
 150   else if(key == keymap.jump)
 151     {
 152       input.up = state;
 153       return true;
 154     }
 155   else if(key == keymap.duck)
 156     {
 157       input.down = state;
 158       return true;
 159     }
 160   else if(key == keymap.fire)
 161     {
 162       if (state == UP)
 163         input.old_fire = UP;
 164       input.fire = state;
 165       return true;
 166     }
 167   else if(key == keymap.activate)
 168     {
 169       input.activate = state;
 170
 171       if(state == DOWN) {
 172         /** check for interactive objects */
 173         for(Sector::InteractiveObjects::iterator i
 174             = Sector::current()->interactive_objects.begin();
 175             i != Sector::current()->interactive_objects.end(); ++i) {
 176           if(rectcollision(base, (*i)->get_area())) {
 177             (*i)->interaction(INTERACTION_ACTIVATE);
 178           }
 179         }
 180       }
 181
 182       return true;
 183     }
 184   else
 185     return false;
 186 }
 187
 188 void
 189 Player::level_begin()
 190 {
 191   base.x  = 100;
 192   base.y  = 170;
 193   previous_base = old_base = base;
 194   duck = false;
 195
 196   dying = DYING_NOT;
 197
 198   player_input_init(&input);
 199
 200   invincible_timer.init(true);
 201   skidding_timer.init(true);
 202   safe_timer.init(true);
 203   frame_timer.init(true);
 204   growing_timer.init(true);
 205
 206   physic.reset();
 207 }
 208
 209 void
 210 Player::action(float elapsed_time)
 211 {
 212   bool jumped_in_solid = false;
 213
 214   if(dying && !dying_timer.check()) {
 215     dead = true;
 216     return;
 217   }
 218
 219   if (input.fire == UP)
 220     holding_something = false;
 221
 222   /* Move tux: */
 223   previous_base = base;
 224
 225   /* --- HANDLE TUX! --- */
 226   if(dying == DYING_NOT)
 227     handle_input();
 228
 229   physic.apply(elapsed_time, base.x, base.y);
 230
 231   if(dying == DYING_NOT)
 232     {
 233       base_type target = base;
 234
 235       collision_swept_object_map(&old_base, &base);
 236
 237       if ((!invincible_timer.started() && !safe_timer.started())
 238           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 239           ||  isspike(base.x, base.y + base.height)
 240           ||  isspike(base.x + base.width, base.y + base.height)))
 241       {
 242          kill(SHRINK);
 243       }
 244
 245       // Don't accelerate Tux if he is running against a wall
 246       if (target.x != base.x)
 247         {
 248           physic.set_velocity_x(0);
 249         }
 250
 251       // special exception for cases where we're stuck under tiles after
 252       // being ducked. In this case we drift out
 253       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 254          && collision_object_map(base))
 255         {
 256           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 257           previous_base = old_base = base;
 258         }
 259
 260       // Land:
 261       if (!on_ground())
 262         {
 263           physic.enable_gravity(true);
 264           if(under_solid())
 265             {
 266               // fall down
 267               physic.set_velocity_y(0);
 268               jumped_in_solid = true;
 269               jumping = false;
 270             }
 271         }
 272       else
 273         {
 274           /* Land: */
 275           if (physic.get_velocity_y() < 0)
 276             {
 277               base.y = (int)(((int)base.y / 32) * 32);
 278               physic.set_velocity_y(0);
 279             }
 280
 281           physic.enable_gravity(false);
 282           /* Reset score multiplier (for multi-hits): */
 283           if (!invincible_timer.started())
 284             player_status.score_multiplier = 1;
 285         }
 286
 287       if(jumped_in_solid)
 288         {
 289           if (isbrick(base.x, base.y) ||
 290               isfullbox(base.x, base.y))
 291             {
 292               Sector::current()->trygrabdistro(
 293                   Vector(base.x, base.y - 32), BOUNCE);
 294               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 295
 296               Sector::current()->trybreakbrick(
 297                   Vector(base.x, base.y), size == SMALL);
 298
 299               bumpbrick(base.x, base.y);
 300               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 301             }
 302
 303           if (isbrick(base.x+ 31, base.y) ||
 304               isfullbox(base.x+ 31, base.y))
 305             {
 306               Sector::current()->trygrabdistro(
 307                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 308               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 309
 310               if(size == BIG)
 311                 Sector::current()->trybreakbrick(
 312                     Vector(base.x+ 31, base.y), size == SMALL);
 313
 314               bumpbrick(base.x+ 31, base.y);
 315               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 316             }
 317         }
 318
 319       grabdistros();
 320
 321       if (jumped_in_solid)
 322         {
 323           ++base.y;
 324           ++old_base.y;
 325           if(on_ground())
 326             {
 327               /* Make sure jumping is off. */
 328               jumping = false;
 329             }
 330         }
 331     }
 332
 333   /* ---- DONE HANDLING TUX! --- */
 334
 335   // check some timers
 336   skidding_timer.check();
 337   invincible_timer.check();
 338   safe_timer.check();
 339   kick_timer.check();
 340 }
 341
 342 bool
 343 Player::on_ground()
 344 {
 345   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 346            issolid(base.x + 1, base.y + base.height) ||
 347            issolid(base.x + base.width - 1, base.y + base.height));
 348 }
 349
 350 bool
 351 Player::under_solid()
 352 {
 353   return ( issolid(base.x + base.width / 2, base.y) ||
 354            issolid(base.x + 1, base.y) ||
 355            issolid(base.x + base.width - 1, base.y)  );
 356 }
 357
 358 bool
 359 Player::tiles_on_air(int tiles)
 360 {
 361   for(int t = 0; t != tiles; t++)
 362      {
 363      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 364          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 365          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 366        return false;
 367      }
 368   return true;
 369 }
 370
 371 void
 372 Player::handle_horizontal_input()
 373 {
 374   float vx = physic.get_velocity_x();
 375   float vy = physic.get_velocity_y();
 376   float ax = physic.get_acceleration_x();
 377   float ay = physic.get_acceleration_y();
 378
 379   float dirsign = 0;
 380   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 381       old_dir = dir;
 382       dir = LEFT;
 383       dirsign = -1;
 384   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 385       old_dir = dir;
 386       dir = RIGHT;
 387       dirsign = 1;
 388   }
 389
 390   if (input.fire == UP) {
 391       ax = dirsign * WALK_ACCELERATION_X;
 392       // limit speed
 393       if(vx >= MAX_WALK_XM && dirsign > 0) {
 394         vx = MAX_WALK_XM;
 395         ax = 0;
 396       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 397         vx = -MAX_WALK_XM;
 398         ax = 0;
 399       }
 400   } else {
 401       ax = dirsign * RUN_ACCELERATION_X;
 402       // limit speed
 403       if(vx >= MAX_RUN_XM && dirsign > 0) {
 404         vx = MAX_RUN_XM;
 405         ax = 0;
 406       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 407         vx = -MAX_RUN_XM;
 408         ax = 0;
 409       }
 410   }
 411
 412   // we can reach WALK_SPEED without any acceleration
 413   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 414     vx = dirsign * WALK_SPEED;
 415   }
 416
 417   // changing directions?
 418   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 419       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 420           skidding_timer.start(SKID_TIME);
 421           sound_manager->play_sound(sounds[SND_SKID]);
 422           ax *= 2.5;
 423       } else {
 424           ax *= 2;
 425       }
 426   }
 427
 428   // we get slower when not pressing any keys
 429   if(dirsign == 0) {
 430       if(fabs(vx) < WALK_SPEED) {
 431           vx = 0;
 432           ax = 0;
 433       } else if(vx < 0) {
 434           ax = WALK_ACCELERATION_X * 1.5;
 435       } else {
 436           ax = WALK_ACCELERATION_X * -1.5;
 437       }
 438   }
 439
 440   // if we're on ice slow down acceleration or deceleration
 441   if (isice(base.x, base.y + base.height))
 442   {
 443     /* the acceleration/deceleration rate on ice is inversely proportional to
 444      * the current velocity.
 445      */
 446
 447     // increasing 1 will increase acceleration/deceleration rate
 448     // decreasing 1 will decrease acceleration/deceleration rate
 449     //  must stay above zero, though
 450     if (ax != 0) ax *= 1 / fabs(vx);
 451   }
 452
 453   physic.set_velocity(vx, vy);
 454   physic.set_acceleration(ax, ay);
 455 }
 456
 457 void
 458 Player::handle_vertical_input()
 459 {
 460   // set fall mode...
 461   if(on_ground()) {
 462     fall_mode = ON_GROUND;
 463     last_ground_y = base.y;
 464   } else {
 465     if(base.y > last_ground_y)
 466       fall_mode = FALLING;
 467     else if(fall_mode == ON_GROUND)
 468       fall_mode = JUMPING;
 469   }
 470
 471   // Press jump key
 472   if(input.up == DOWN && can_jump && on_ground())
 473     {
 474       if(duck) { // only jump a little bit when in duck mode {
 475         physic.set_velocity_y(3);
 476       } else {
 477         // jump higher if we are running
 478         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 479           physic.set_velocity_y(5.8);
 480         else
 481           physic.set_velocity_y(5.2);
 482       }
 483
 484       --base.y;
 485       jumping = true;
 486       can_jump = false;
 487       if (size == SMALL)
 488         sound_manager->play_sound(sounds[SND_JUMP]);
 489       else
 490         sound_manager->play_sound(sounds[SND_BIGJUMP]);
 491     }
 492   // Let go of jump key
 493   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 494     {
 495       jumping = false;
 496       physic.set_velocity_y(0);
 497     }
 498
 499    /* In case the player has pressed Down while in a certain range of air,
 500       enable butt jump action */
 501   if (input.down == DOWN && !butt_jump && !duck)
 502     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 503       butt_jump = true;
 504
 505    /* When Down is not held anymore, disable butt jump */
 506   if(butt_jump && input.down == UP)
 507     butt_jump = false;
 508
 509   // Do butt jump
 510   if (butt_jump && on_ground() && size == BIG)
 511   {
 512
 513     if (duck)
 514       stomp_pos = Vector(base.x - 32, base.y);
 515     else
 516       stomp_pos = Vector(base.x - 32, base.y + 32);
 517     stomp_timer.start(STOMP_TIME);
 518
 519     butt_jump = false;
 520
 521     // Break bricks beneath Tux
 522     if(Sector::current()->trybreakbrick(
 523           Vector(base.x + 1, base.y + base.height), false)
 524         || Sector::current()->trybreakbrick(
 525            Vector(base.x + base.width - 1, base.y + base.height), false))
 526     {
 527       physic.set_velocity_y(2);
 528       butt_jump = true;
 529     }
 530
 531     // Kill nearby badguys
 532     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 533     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 534          i != gameobjects.end();
 535          i++)
 536     {
 537       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 538       if(badguy)
 539       {
 540
 541         if (fabsf(base.x - badguy->base.x) < 150 &&
 542             fabsf(base.y - badguy->base.y) < 60 &&
 543             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 544               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 545           badguy->kill_me(25);
 546       }
 547     }
 548   }
 549
 550   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 551         issolid(base.x + 1, base.y + base.height + 64) ||
 552         issolid(base.x + base.width - 1, base.y + base.height + 64))
 553        && jumping  == false
 554        && can_jump == false
 555        && input.up == DOWN
 556        && input.old_up == UP)
 557     {
 558       can_jump = true;
 559     }
 560
 561   if(on_ground())   /* Make sure jumping is off. */
 562     jumping = false;
 563
 564   input.old_up = input.up;
 565 }
 566
 567 void
 568 Player::handle_input()
 569 {
 570   /* Handle horizontal movement: */
 571     handle_horizontal_input();
 572
 573   /* Jump/jumping? */
 574
 575   if (on_ground() && input.up == UP)
 576     can_jump = true;
 577   handle_vertical_input();
 578
 579   /* Shoot! */
 580   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 581     {
 582       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 583           physic.get_velocity_x(), dir))
 584         shooting_timer.start(SHOOTING_TIME);
 585       input.old_fire = DOWN;
 586     }
 587
 588   /* tux animations: */
 589   if(!frame_timer.check())
 590     {
 591       frame_timer.start(25);
 592       if (input.right == UP && input.left == UP)
 593         {
 594           frame_main = 1;
 595           frame_ = 1;
 596         }
 597       else
 598         {
 599           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 600               (global_frame_counter % 4) == 0)
 601             frame_main = (frame_main + 1) % 4;
 602
 603           frame_ = frame_main;
 604
 605           if (frame_ == 3)
 606             frame_ = 1;
 607         }
 608     }
 609
 610   /* Duck! */
 611   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 612     {
 613       duck = true;
 614       base.height = 32;
 615       base.y += 32;
 616       // changing base size confuses collision otherwise
 617       old_base = previous_base = base;
 618     }
 619   else if(input.down == UP && size == BIG && duck)
 620     {
 621       // try if we can really unduck
 622       base.y -= 32;
 623       base.height = 64;
 624       // when unducking in air we need some space to do so
 625       if(on_ground() || !collision_object_map(base)) {
 626         duck = false;
 627         // changing base size confuses collision otherwise
 628         old_base = previous_base = base;
 629       } else {
 630         // undo the ducking changes
 631         base.y += 32;
 632         base.height = 32;
 633       }
 634     }
 635 }
 636
 637 void
 638 Player::grow(bool animate)
 639 {
 640   if(size == BIG)
 641     return;
 642
 643   size = BIG;
 644   base.height = 64;
 645   base.y -= 32;
 646
 647   if(animate)
 648     growing_timer.start(GROWING_TIME);
 649
 650   old_base = previous_base = base;
 651 }
 652
 653 void
 654 Player::grabdistros()
 655 {
 656   /* Grab distros: */
 657   if (!dying)
 658     {
 659       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 660       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 661
 662       Sector::current()->trygrabdistro(
 663           Vector(base.x, base.y + base.height), NO_BOUNCE);
 664       Sector::current()->trygrabdistro(
 665           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 666
 667       if(size == BIG)
 668         {
 669           Sector::current()->trygrabdistro(
 670               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 671           Sector::current()->trygrabdistro(
 672               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 673         }
 674
 675     }
 676
 677   /* Enough distros for a One-up? */
 678   if (player_status.distros >= DISTROS_LIFEUP)
 679     {
 680       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 681       if(player_status.lives < MAX_LIVES)
 682         ++player_status.lives;
 683       /*We want to hear the sound even, if MAX_LIVES is reached*/
 684       sound_manager->play_sound(sounds[SND_LIFEUP]);
 685     }
 686 }
 687
 688 void
 689 Player::draw(DrawingContext& context)
 690 {
 691   PlayerSprite* sprite;
 692
 693   if (size == SMALL)
 694     sprite = &smalltux;
 695   else if (got_power == FIRE_POWER)
 696     sprite = &firetux;
 697   else if (got_power == ICE_POWER)
 698     sprite = &icetux;
 699   else
 700     sprite = &largetux;
 701
 702   int layer = LAYER_OBJECTS - 1;
 703   Vector pos = Vector(base.x, base.y);
 704
 705   if (!safe_timer.started() || (global_frame_counter % 2) == 0)
 706     {
 707       if (dying == DYING_SQUISHED)
 708         {
 709           smalltux_gameover->draw(context, pos, LAYER_OBJECTS+1);
 710         }
 711       else
 712         {
 713           if(growing_timer.check())
 714             {
 715               if (dir == RIGHT)
 716                 context.draw_surface(growingtux_right[(growing_timer.get_gone() * GROWING_FRAMES) / GROWING_TIME], pos, layer);
 717               else
 718                 context.draw_surface(growingtux_left[(growing_timer.get_gone() * GROWING_FRAMES) / GROWING_TIME], pos, layer);
 719             }
 720           else if (duck && size != SMALL)
 721             {
 722               if (dir == RIGHT)
 723                 sprite->duck_right->draw(context, pos, layer);
 724               else
 725                 sprite->duck_left->draw(context, pos, layer);
 726             }
 727           else if (skidding_timer.started())
 728             {
 729               if (dir == RIGHT)
 730                 sprite->skid_right->draw(context, pos, layer);
 731               else
 732                 sprite->skid_left->draw(context, pos, layer);
 733             }
 734           else if (kick_timer.started())
 735             {
 736               if (dir == RIGHT)
 737                 sprite->kick_right->draw(context, pos, layer);
 738               else
 739                 sprite->kick_left->draw(context, pos, layer);
 740             }
 741           else if (physic.get_velocity_y() != 0)
 742             {
 743               if (dir == RIGHT)
 744                 sprite->jump_right->draw(context, pos, layer);
 745               else
 746                 sprite->jump_left->draw(context, pos, layer);
 747             }
 748           else
 749             {
 750               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 751                 {
 752                   if (dir == RIGHT)
 753                     sprite->stand_right->draw(context, pos, layer);
 754                   else
 755                     sprite->stand_left->draw(context, pos, layer);
 756                 }
 757               else // moving
 758                 {
 759                   if (dir == RIGHT)
 760                     sprite->walk_right->draw(context, pos, layer);
 761                   else
 762                     sprite->walk_left->draw(context, pos, layer);
 763                 }
 764             }
 765         }
 766     }
 767
 768   // Draw arm overlay graphics when Tux is holding something
 769   if ((holding_something && physic.get_velocity_y() == 0) || shooting_timer.check() && !duck)
 770   {
 771     if (dir == RIGHT)
 772       sprite->grab_right->draw(context, pos, LAYER_OBJECTS + 1);
 773     else
 774       sprite->grab_left->draw(context, pos, LAYER_OBJECTS + 1);
 775   }
 776
 777   // Draw stomp clouds when doing a butt jump
 778   if (stomp_timer.check())
 779       sprite->stomp->draw(context, stomp_pos, LAYER_OBJECTS + 1);
 780
 781   // Draw blinking star overlay
 782   if (invincible_timer.started() &&
 783       (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 784   {
 785     if (size == SMALL || duck)
 786       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 787     else
 788       largetux_star->draw(context, pos, LAYER_OBJECTS + 2);
 789   }
 790
 791   if (debug_mode)
 792     context.draw_filled_rect(Vector(base.x, base.y),
 793         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 794 }
 795
 796 void
 797 Player::collision(const MovingObject& other, int collision_type)
 798 {
 799   (void) other;
 800   (void) collision_type;
 801   // will be implemented later
 802 }
 803
 804 void
 805 Player::collision(void* p_c_object, int c_object)
 806 {
 807   BadGuy* pbad_c = NULL;
 808   Trampoline* ptramp_c = NULL;
 809   FlyingPlatform* pplatform_c = NULL;
 810
 811   switch (c_object)
 812     {
 813     case CO_BADGUY:
 814       pbad_c = (BadGuy*) p_c_object;
 815
 816      /* Hurt player if he touches a badguy */
 817       if (!pbad_c->dying && !dying &&
 818           !safe_timer.started() &&
 819           pbad_c->mode != BadGuy::HELD)
 820         {
 821           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 822                && !holding_something)
 823             {
 824               holding_something = true;
 825               pbad_c->mode = BadGuy::HELD;
 826               pbad_c->base.y-=8;
 827             }
 828           else if (pbad_c->mode == BadGuy::FLAT)
 829             {
 830               // Don't get hurt if we're kicking a flat badguy!
 831             }
 832           else if (pbad_c->mode == BadGuy::KICK)
 833             {
 834               /* Hurt if you get hit by kicked laptop: */
 835               if (!invincible_timer.started())
 836                 {
 837                   kill(SHRINK);
 838                 }
 839               else
 840                 pbad_c->kill_me(20);
 841             }
 842           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 843               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 844               || pbad_c->kind == BAD_SPIKY))
 845                 pbad_c->kill_me(20);
 846           else
 847             {
 848               if (!invincible_timer.started())
 849                 {
 850                   kill(SHRINK);
 851                 }
 852               else
 853                 {
 854                   pbad_c->kill_me(25);
 855                 }
 856             }
 857           player_status.score_multiplier++;
 858         }
 859       break;
 860
 861     case CO_TRAMPOLINE:
 862       ptramp_c = (Trampoline*) p_c_object;
 863
 864       // Pick up trampoline
 865       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 866       {
 867         holding_something = true;
 868         ptramp_c->mode = Trampoline::M_HELD;
 869         ptramp_c->base.y -= 8;
 870       }
 871       // Set down trampoline
 872       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 873       {
 874         holding_something = false;
 875         ptramp_c->mode = Trampoline::M_NORMAL;
 876         ptramp_c->base.y += 8;
 877         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 878
 879         //if (dir == RIGHT)
 880         //  ptramp_c->base.x = base.x + base.width+1;
 881         //else /* LEFT */
 882         //  ptramp_c->base.x = base.x - base.width-1;
 883       }
 884 /*
 885       // Don't let tux walk through trampoline
 886       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 887       {
 888         if (physic.get_velocity_x() > 0) // RIGHT
 889         {
 890           physic.set_velocity_x(0);
 891           base.x = ptramp_c->base.x - base.width;
 892         }
 893         else if (physic.get_velocity_x() < 0) // LEFT
 894         {
 895           physic.set_velocity_x(0);
 896           base.x = ptramp_c->base.x + ptramp_c->base.width;
 897         }
 898       }
 899 */
 900       break;
 901     case CO_FLYING_PLATFORM:
 902       pplatform_c = (FlyingPlatform*) p_c_object;
 903
 904       base.y = pplatform_c->base.y - base.height;
 905       physic.set_velocity_x(pplatform_c->get_vel_x());
 906
 907       physic.enable_gravity(false);
 908       can_jump = true;
 909       fall_mode = ON_GROUND;
 910       break;
 911
 912     default:
 913       break;
 914     }
 915
 916 }
 917
 918 /* Kill Player! */
 919
 920 void
 921 Player::kill(HurtMode mode)
 922 {
 923   if(dying)
 924     return;
 925
 926   sound_manager->play_sound(sounds[SND_HURT]);
 927
 928   physic.set_velocity_x(0);
 929
 930   if (mode == SHRINK && size == BIG)
 931     {
 932       if (got_power != NONE_POWER)
 933         {
 934           got_power = NONE_POWER;
 935         }
 936       else
 937         {
 938           size = SMALL;
 939           base.height = 32;
 940           duck = false;
 941         }
 942       safe_timer.start(TUX_SAFE_TIME);
 943     }
 944   else
 945     {
 946       physic.enable_gravity(true);
 947       physic.set_acceleration(0, 0);
 948       physic.set_velocity(0, 7);
 949       --player_status.lives;
 950       dying = DYING_SQUISHED;
 951       dying_timer.start(3000);
 952     }
 953 }
 954
 955 /* Remove Tux's power ups */
 956 void
 957 Player::remove_powerups()
 958 {
 959   got_power = NONE_POWER;
 960   size = SMALL;
 961   base.height = 32;
 962 }
 963
 964 void
 965 Player::move(const Vector& vector)
 966 {
 967   base.x = vector.x;
 968   base.y = vector.y;
 969   old_base = previous_base = base;
 970 }
 971
 972 void
 973 Player::check_bounds(Camera* camera)
 974 {
 975   /* Keep tux in bounds: */
 976   if (base.x < 0)
 977     { // Lock Tux to the size of the level, so that he doesn't fall of
 978       // on the left side
 979       base.x = 0;
 980     }
 981
 982   /* Keep in-bounds, vertically: */
 983   if (base.y > Sector::current()->solids->get_height() * 32)
 984     {
 985       kill(KILL);
 986       return;
 987     }
 988
 989   bool adjust = false;
 990   // can happen if back scrolling is disabled
 991   if(base.x < camera->get_translation().x) {
 992     base.x = camera->get_translation().x;
 993     adjust = true;
 994   }
 995   if(base.x >= camera->get_translation().x + screen->w - base.width) {
 996     base.x = camera->get_translation().x + screen->w - base.width;
 997     adjust = true;
 998   }
 999
1000   if(adjust) {
1001     // squished now?
1002     if(collision_object_map(base)) {
1003       kill(KILL);
1004       return;
1005     }
1006   }
1007 }
1008