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
  22 #include "gameloop.h"
  23 #include "globals.h"
  24 #include "player.h"
  25 #include "defines.h"
  26 #include "scene.h"
  27 #include "tile.h"
  28 #include "sprite.h"
  29 #include "screen.h"
  30
  31 Surface* tux_life;
  32 std::vector<Surface*> tux_right;
  33 std::vector<Surface*> tux_left;
  34 Surface* smalltux_jump_left;
  35 Surface* smalltux_jump_right;
  36 Surface* smalltux_stand_left;
  37 Surface* smalltux_stand_right;
  38 Sprite*  smalltux_gameover;
  39 Sprite*  smalltux_skid_left;
  40 Sprite*  smalltux_skid_right;
  41 Sprite*  largetux_stand_left;
  42 Sprite*  largetux_stand_right;
  43
  44 Sprite* bigtux_right;
  45 Sprite* bigtux_left;
  46 Sprite* bigtux_right_jump;
  47 Sprite* bigtux_left_jump;
  48 Sprite* ducktux_right;
  49 Sprite* ducktux_left;
  50 Surface* skidtux_right;
  51 Surface* skidtux_left;
  52 Surface* firetux_right[3];
  53 Surface* firetux_left[3];
  54 Surface* bigfiretux_right[3];
  55 Surface* bigfiretux_left[3];
  56 Surface* bigfiretux_right_jump;
  57 Surface* bigfiretux_left_jump;
  58 Surface* duckfiretux_right;
  59 Surface* duckfiretux_left;
  60 Surface* skidfiretux_right;
  61 Surface* skidfiretux_left;
  62 Surface* cape_right[2];
  63 Surface* cape_left[2];
  64 Surface* bigcape_right[2];
  65 Surface* bigcape_left[2];
  66
  67 PlayerKeymap keymap;
  68
  69 PlayerKeymap::PlayerKeymap()
  70 {
  71   keymap.jump  = SDLK_UP;
  72   keymap.duck  = SDLK_DOWN;
  73   keymap.left  = SDLK_LEFT;
  74   keymap.right = SDLK_RIGHT;
  75   keymap.fire  = SDLK_LCTRL;
  76 }
  77
  78 void player_input_init(player_input_type* pplayer_input)
  79 {
  80   pplayer_input->down = UP;
  81   pplayer_input->fire = UP;
  82   pplayer_input->left = UP;
  83   pplayer_input->old_fire = UP;
  84   pplayer_input->right = UP;
  85   pplayer_input->up = UP;
  86 }
  87
  88 void
  89 Player::init()
  90 {
  91   Level* plevel = World::current()->get_level();
  92
  93   base.width = 32;
  94   base.height = 32;
  95
  96   size = SMALL;
  97   got_coffee = false;
  98
  99   base.x = plevel->start_pos_x;
 100   base.y = plevel->start_pos_y;
 101   base.xm = 0;
 102   base.ym = 0;
 103   previous_base = old_base = base;
 104   dir = RIGHT;
 105   duck = false;
 106
 107   dying   = DYING_NOT;
 108   jumping = false;
 109
 110   frame_main = 0;
 111   frame_ = 0;
 112
 113   player_input_init(&input);
 114
 115   invincible_timer.init(true);
 116   skidding_timer.init(true);
 117   safe_timer.init(true);
 118   frame_timer.init(true);
 119
 120   physic.reset();
 121 }
 122
 123 int
 124 Player::key_event(SDLKey key, int state)
 125 {
 126   if(key == keymap.right)
 127     {
 128       input.right = state;
 129       return true;
 130     }
 131   else if(key == keymap.left)
 132     {
 133       input.left = state;
 134       return true;
 135     }
 136   else if(key == keymap.jump)
 137     {
 138       input.up = state;
 139       return true;
 140     }
 141   else if(key == keymap.duck)
 142     {
 143       input.down = state;
 144       return true;
 145     }
 146   else if(key == keymap.fire)
 147     {
 148       input.fire = state;
 149       return true;
 150     }
 151   else
 152     return false;
 153 }
 154
 155 void
 156 Player::level_begin()
 157 {
 158   base.x  = 100;
 159   base.y  = 170;
 160   base.xm = 0;
 161   base.ym = 0;
 162   previous_base = old_base = base;
 163   duck = false;
 164
 165   dying = DYING_NOT;
 166
 167   player_input_init(&input);
 168
 169   invincible_timer.init(true);
 170   skidding_timer.init(true);
 171   safe_timer.init(true);
 172   frame_timer.init(true);
 173
 174   physic.reset();
 175 }
 176
 177 void
 178 Player::action(double frame_ratio)
 179 {
 180   bool jumped_in_solid = false;
 181
 182   /* Move tux: */
 183   previous_base = base;
 184
 185   /* --- HANDLE TUX! --- */
 186   if(dying == DYING_NOT)
 187     handle_input();
 188
 189   physic.apply(frame_ratio, base.x, base.y);
 190
 191   if(dying == DYING_NOT)
 192     {
 193       base_type target = base;
 194
 195       collision_swept_object_map(&old_base, &base);
 196
 197       // Don't accelerate Tux if he is running against a wall
 198       if (target.x != base.x)
 199         {
 200           physic.set_velocity_x(0);
 201         }
 202
 203       // special exception for cases where we're stuck under tiles after
 204       // being ducked. In this case we drift out
 205       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 206          && collision_object_map(&base)) {
 207         base.x += frame_ratio * WALK_SPEED * (dir ? 1 : -1);
 208         previous_base = old_base = base;
 209       }
 210       keep_in_bounds();
 211
 212       // Land:
 213       if (!on_ground())
 214         {
 215           physic.enable_gravity(true);
 216           if(under_solid())
 217             {
 218               // fall down
 219               physic.set_velocity_y(0);
 220               jumped_in_solid = true;
 221             }
 222         }
 223       else
 224         {
 225           /* Land: */
 226           if (physic.get_velocity_y() < 0)
 227             {
 228               base.y = (int)(((int)base.y / 32) * 32);
 229               physic.set_velocity_y(0);
 230             }
 231
 232           physic.enable_gravity(false);
 233           /* Reset score multiplier (for multi-hits): */
 234           player_status.score_multiplier = 1;
 235         }
 236
 237       if(jumped_in_solid)
 238         {
 239           if (isbrick(base.x, base.y) ||
 240               isfullbox(base.x, base.y))
 241             {
 242               World::current()->trygrabdistro(base.x, base.y - 32,BOUNCE);
 243               World::current()->trybumpbadguy(base.x, base.y - 64);
 244
 245               World::current()->trybreakbrick(base.x, base.y, size == SMALL);
 246
 247               bumpbrick(base.x, base.y);
 248               World::current()->tryemptybox(base.x, base.y, RIGHT);
 249             }
 250
 251           if (isbrick(base.x+ 31, base.y) ||
 252               isfullbox(base.x+ 31, base.y))
 253             {
 254               World::current()->trygrabdistro(base.x+ 31, base.y - 32,BOUNCE);
 255               World::current()->trybumpbadguy(base.x+ 31, base.y - 64);
 256
 257               if(size == BIG)
 258                 World::current()->trybreakbrick(base.x+ 31, base.y, size == SMALL);
 259
 260               bumpbrick(base.x+ 31, base.y);
 261               World::current()->tryemptybox(base.x+ 31, base.y, LEFT);
 262             }
 263         }
 264
 265       grabdistros();
 266
 267       if (jumped_in_solid)
 268         {
 269           ++base.y;
 270           ++old_base.y;
 271           if(on_ground())
 272             {
 273               /* Make sure jumping is off. */
 274               jumping = false;
 275             }
 276         }
 277     }
 278
 279   /* ---- DONE HANDLING TUX! --- */
 280
 281   // check some timers
 282   skidding_timer.check();
 283   invincible_timer.check();
 284   safe_timer.check();
 285 }
 286
 287 bool
 288 Player::on_ground()
 289 {
 290   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 291            issolid(base.x + 1, base.y + base.height) ||
 292            issolid(base.x + base.width - 1, base.y + base.height)  );
 293 }
 294
 295 bool
 296 Player::under_solid()
 297 {
 298   return ( issolid(base.x + base.width / 2, base.y) ||
 299            issolid(base.x + 1, base.y) ||
 300            issolid(base.x + base.width - 1, base.y)  );
 301 }
 302
 303 void
 304 Player::handle_horizontal_input()
 305 {
 306   float vx = physic.get_velocity_x();
 307   float vy = physic.get_velocity_y();
 308   float ax = physic.get_acceleration_x();
 309   float ay = physic.get_acceleration_y();
 310
 311   float dirsign = 0;
 312   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 313       dir = LEFT;
 314       dirsign = -1;
 315   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 316       dir = RIGHT;
 317       dirsign = 1;
 318   }
 319
 320   if (input.fire == UP) {
 321       ax = dirsign * WALK_ACCELERATION_X;
 322       // limit speed
 323       if(vx >= MAX_WALK_XM && dirsign > 0) {
 324         vx = MAX_WALK_XM;
 325         ax = 0;
 326       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 327         vx = -MAX_WALK_XM;
 328         ax = 0;
 329       }
 330   } else {
 331       ax = dirsign * RUN_ACCELERATION_X;
 332       // limit speed
 333       if(vx >= MAX_RUN_XM && dirsign > 0) {
 334         vx = MAX_RUN_XM;
 335         ax = 0;
 336       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 337         vx = -MAX_RUN_XM;
 338         ax = 0;
 339       }
 340   }
 341
 342   // we can reach WALK_SPEED without any acceleration
 343   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 344     vx = dirsign * WALK_SPEED;
 345   }
 346
 347   // changing directions?
 348   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 349       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 350           skidding_timer.start(SKID_TIME);
 351           play_sound(sounds[SND_SKID], SOUND_CENTER_SPEAKER);
 352           ax *= 2.5;
 353       } else {
 354           ax *= 2;
 355       }
 356   }
 357
 358   // we get slower when not pressing any keys
 359   if(dirsign == 0) {
 360       if(fabs(vx) < WALK_SPEED) {
 361           vx = 0;
 362           ax = 0;
 363       } else if(vx < 0) {
 364           ax = WALK_ACCELERATION_X * 1.5;
 365       } else {
 366           ax = WALK_ACCELERATION_X * -1.5;
 367       }
 368   }
 369
 370   // if we're on ice slow down acceleration or deceleration
 371   if (isice(base.x, base.y + base.height))
 372   {
 373     /* the acceleration/deceleration rate on ice is inversely proportional to
 374      * the current velocity.
 375      */
 376
 377     // increasing 1 will increase acceleration/deceleration rate
 378     // decreasing 1 will decrease acceleration/deceleration rate
 379     //  must stay above zero, though
 380     if (ax != 0) ax *= 1 / fabs(vx);
 381   }
 382
 383   physic.set_velocity(vx, vy);
 384   physic.set_acceleration(ax, ay);
 385 }
 386
 387 void
 388 Player::handle_vertical_input()
 389 {
 390   if(input.up == DOWN)
 391     {
 392       if (on_ground())
 393         {
 394           // jump higher if we are running
 395           if (physic.get_velocity_x() > MAX_WALK_XM)
 396             physic.set_velocity_y(5.8);
 397           else
 398             physic.set_velocity_y(5.2);
 399
 400           --base.y;
 401           jumping = true;
 402           if (size == SMALL)
 403             play_sound(sounds[SND_JUMP], SOUND_CENTER_SPEAKER);
 404           else
 405             play_sound(sounds[SND_BIGJUMP], SOUND_CENTER_SPEAKER);
 406         }
 407     }
 408   else if(input.up == UP && jumping)
 409     {
 410       jumping = false;
 411       if(physic.get_velocity_y() > 0) {
 412         physic.set_velocity_y(0);
 413       }
 414     }
 415 }
 416
 417 void
 418 Player::handle_input()
 419 {
 420   /* Handle horizontal movement: */
 421     handle_horizontal_input();
 422
 423   /* Jump/jumping? */
 424
 425   if ( input.up == DOWN || (input.up == UP && jumping))
 426     {
 427       handle_vertical_input();
 428     }
 429
 430   /* Shoot! */
 431
 432   if (input.fire == DOWN && input.old_fire == UP && got_coffee)
 433     {
 434       World::current()->add_bullet(base.x, base.y, physic.get_velocity_x(), dir);
 435     }
 436
 437   /* tux animations: */
 438   if(!frame_timer.check())
 439     {
 440       frame_timer.start(25);
 441       if (input.right == UP && input.left == UP)
 442         {
 443           frame_main = 1;
 444           frame_ = 1;
 445         }
 446       else
 447         {
 448           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 449               (global_frame_counter % 4) == 0)
 450             frame_main = (frame_main + 1) % 4;
 451
 452           frame_ = frame_main;
 453
 454           if (frame_ == 3)
 455             frame_ = 1;
 456         }
 457     }
 458
 459   /* Duck! */
 460   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0)
 461     {
 462       duck = true;
 463       base.height = 32;
 464       base.y += 32;
 465       // changing base size confuses collision otherwise
 466       old_base = previous_base = base;
 467     }
 468   else if(input.down == UP && size == BIG && duck && physic.get_velocity_y() == 0)
 469     {
 470       duck = false;
 471       base.y -= 32;
 472       base.height = 64;
 473       old_base = previous_base = base;
 474     }
 475 }
 476
 477 void
 478 Player::grabdistros()
 479 {
 480   /* Grab distros: */
 481   if (!dying)
 482     {
 483       World::current()->trygrabdistro(base.x, base.y, NO_BOUNCE);
 484       World::current()->trygrabdistro(base.x+ 31, base.y, NO_BOUNCE);
 485
 486       World::current()->trygrabdistro(base.x, base.y + base.height, NO_BOUNCE);
 487       World::current()->trygrabdistro(base.x+ 31, base.y + base.height, NO_BOUNCE);
 488
 489       if(size == BIG)
 490         {
 491           World::current()->trygrabdistro(base.x, base.y + base.height / 2, NO_BOUNCE);
 492           World::current()->trygrabdistro(base.x+ 31, base.y + base.height / 2, NO_BOUNCE);
 493         }
 494
 495     }
 496
 497   /* Enough distros for a One-up? */
 498   if (player_status.distros >= DISTROS_LIFEUP)
 499     {
 500       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 501       if(player_status.lives < MAX_LIVES)
 502         ++player_status.lives;
 503       /*We want to hear the sound even, if MAX_LIVES is reached*/
 504       play_sound(sounds[SND_LIFEUP], SOUND_CENTER_SPEAKER);
 505     }
 506 }
 507
 508 void
 509 Player::draw()
 510 {
 511   if (!safe_timer.started() || (global_frame_counter % 2) == 0)
 512     {
 513       if (dying == DYING_SQUISHED)
 514         {
 515           smalltux_gameover->draw(base.x - scroll_x, base.y);
 516         }
 517       else
 518         {
 519           if (size == SMALL)
 520             {
 521               if (invincible_timer.started())
 522                 {
 523                   if (dir == RIGHT)
 524                     cape_right[global_frame_counter % 2]->draw(base.x- scroll_x, base.y);
 525                   else
 526                     cape_left[global_frame_counter % 2]->draw(base.x- scroll_x, base.y);
 527                 }
 528
 529               if (!got_coffee)
 530                 {
 531                   if (!skidding_timer.started())
 532                     {
 533                       if (physic.get_velocity_y() != 0)
 534                         {
 535                           if (dir == RIGHT)
 536                             smalltux_jump_right->draw( base.x - scroll_x, base.y - 10);
 537                           else
 538                             smalltux_jump_left->draw( base.x - scroll_x, base.y - 10);
 539                         }
 540                       else
 541                         {
 542                           if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 543                             {
 544                               if (dir == RIGHT)
 545                                 smalltux_stand_right->draw( base.x - scroll_x, base.y - 9);
 546                               else
 547                                 smalltux_stand_left->draw( base.x - scroll_x, base.y - 9);
 548                             }
 549                           else // moving
 550                             {
 551                               if (dir == RIGHT)
 552                                 tux_right[(global_frame_counter/2) % tux_right.size()]->draw(base.x - scroll_x, base.y - 9);
 553                               else
 554                                 tux_left[(global_frame_counter/2) % tux_left.size()]->draw(base.x - scroll_x, base.y - 9);
 555                             }
 556                         }
 557                     }
 558                   else
 559                     {
 560                       if (dir == RIGHT)
 561                         smalltux_skid_right->draw(base.x - scroll_x, base.y);
 562                       else
 563                         smalltux_skid_left->draw(base.x - scroll_x, base.y);
 564                     }
 565                 }
 566               else
 567                 {
 568                   /* Tux got coffee! */
 569
 570                   if (dir == RIGHT)
 571                     {
 572                       firetux_right[frame_]->draw( base.x- scroll_x, base.y);
 573                     }
 574                   else
 575                     {
 576                       firetux_left[frame_]->draw( base.x- scroll_x, base.y);
 577                     }
 578                 }
 579             }
 580           else // Large Tux
 581             {
 582               if (invincible_timer.started())
 583                 {
 584                   float capex = base.x + (base.width - bigcape_right[0]->w) / 2;
 585                   capex -= scroll_x;
 586                   float capey = base.y + (base.height - bigcape_right[0]->h) / 2;
 587
 588                   /* Draw cape (just not in ducked mode since that looks silly): */
 589                   if (dir == RIGHT)
 590                     bigcape_right[global_frame_counter % 2]->draw(capex, capey);
 591                   else
 592                     bigcape_left[global_frame_counter % 2]->draw(capex, capey);
 593                 }
 594
 595               if (!got_coffee)
 596                 {
 597                   if (!duck)
 598                     {
 599                       if (!skidding_timer.started())
 600                         {
 601                           if (physic.get_velocity_y() == 0)
 602                             {
 603                               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 604                                 {
 605                                   if (dir == RIGHT)
 606                                     largetux_stand_right->draw(base.x - scroll_x, base.y);
 607                                   else
 608                                     largetux_stand_left->draw(base.x - scroll_x, base.y);
 609                                 }
 610                               else // walking
 611                                 {
 612                                   if (dir == RIGHT)
 613                                     bigtux_right->draw(base.x - scroll_x, base.y);
 614                                   else
 615                                     bigtux_left->draw(base.x - scroll_x, base.y);
 616                                 }
 617                             }
 618                           else
 619                             {
 620                               if (dir == RIGHT)
 621                                 bigtux_right_jump->draw(base.x - scroll_x, base.y);
 622                               else
 623                                 bigtux_left_jump->draw(base.x - scroll_x, base.y);
 624                             }
 625                         }
 626                       else
 627                         {
 628                           if (dir == RIGHT)
 629                             skidtux_right->draw(base.x - scroll_x - 8, base.y);
 630                           else
 631                             skidtux_left->draw(base.x - scroll_x - 8, base.y);
 632                         }
 633                     }
 634                   else
 635                     {
 636                       if (dir == RIGHT)
 637                         ducktux_right->draw(base.x - scroll_x, base.y);
 638                       else
 639                         ducktux_left->draw(base.x - scroll_x, base.y);
 640                     }
 641                 }
 642               else
 643                 {
 644                   /* Tux has coffee! */
 645                   if (!duck)
 646                     {
 647                       if (!skidding_timer.started())
 648                         {
 649                           if (!jumping || physic.get_velocity_y() > 0)
 650                             {
 651                               if (dir == RIGHT)
 652                                 bigfiretux_right[frame_]->draw(base.x- scroll_x - 8, base.y);
 653                               else
 654                                 bigfiretux_left[frame_]->draw(base.x- scroll_x - 8, base.y);
 655                             }
 656                           else
 657                             {
 658                               if (dir == RIGHT)
 659                                 bigfiretux_right_jump->draw(base.x- scroll_x - 8, base.y);
 660                               else
 661                                 bigfiretux_left_jump->draw(base.x- scroll_x - 8, base.y);
 662                             }
 663                         }
 664                       else
 665                         {
 666                           if (dir == RIGHT)
 667                             skidfiretux_right->draw(base.x- scroll_x - 8, base.y);
 668                           else
 669                             skidfiretux_left->draw(base.x- scroll_x - 8, base.y);
 670                         }
 671                     }
 672                   else
 673                     {
 674                       if (dir == RIGHT)
 675                         duckfiretux_right->draw( base.x- scroll_x - 8, base.y - 16);
 676                       else
 677                         duckfiretux_left->draw( base.x- scroll_x - 8, base.y - 16);
 678                     }
 679                 }
 680             }
 681         }
 682     }
 683
 684   if (debug_mode)
 685     fillrect(base.x - scroll_x, base.y, 32, 32, 75,75,75, 150);
 686 }
 687
 688 void
 689 Player::collision(void* p_c_object, int c_object)
 690 {
 691   BadGuy* pbad_c = NULL;
 692
 693   switch (c_object)
 694     {
 695     case CO_BADGUY:
 696       pbad_c = (BadGuy*) p_c_object;
 697
 698      /* Hurt player if he touches a badguy */
 699       if (!pbad_c->dying && !dying &&
 700           !safe_timer.started() &&
 701           pbad_c->mode != BadGuy::HELD)
 702         {
 703           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN)
 704             {
 705               pbad_c->mode = BadGuy::HELD;
 706               pbad_c->base.y-=8;
 707             }
 708           else if (pbad_c->mode == BadGuy::FLAT)
 709             {
 710               // Don't get hurt if we're kicking a flat badguy!
 711             }
 712           else if (pbad_c->mode == BadGuy::KICK)
 713             {
 714               /* Hurt if you get hit by kicked laptop: */
 715               if (!invincible_timer.started())
 716                 {
 717                   kill(SHRINK);
 718                 }
 719               else
 720                 {
 721                    pbad_c->dying = DYING_FALLING;
 722                    play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 723                    World::current()->add_score(pbad_c->base.x - scroll_x,
 724                                                pbad_c->base.y,
 725                                                25 * player_status.score_multiplier);
 726                 }
 727             }
 728           else
 729             {
 730               if (!invincible_timer.started())
 731                 {
 732                   kill(SHRINK);
 733                 }
 734               else
 735                 {
 736                   pbad_c->kill_me();
 737                 }
 738             }
 739           player_status.score_multiplier++;
 740         }
 741       break;
 742     default:
 743       break;
 744     }
 745
 746 }
 747
 748 /* Kill Player! */
 749
 750 void
 751 Player::kill(int mode)
 752 {
 753   play_sound(sounds[SND_HURT], SOUND_CENTER_SPEAKER);
 754
 755   physic.set_velocity_x(0);
 756
 757   if (mode == SHRINK && size == BIG)
 758     {
 759       if (got_coffee)
 760         got_coffee = false;
 761
 762       size = SMALL;
 763       base.height = 32;
 764       duck = false;
 765
 766       safe_timer.start(TUX_SAFE_TIME);
 767     }
 768   else
 769     {
 770       physic.enable_gravity(true);
 771       physic.set_acceleration(0, 0);
 772       physic.set_velocity(0, 7);
 773       dying = DYING_SQUISHED;
 774     }
 775 }
 776
 777 void
 778 Player::is_dying()
 779 {
 780   remove_powerups();
 781   dying = DYING_NOT;
 782 }
 783
 784 bool Player::is_dead()
 785 {
 786   if(base.y > screen->h)
 787     return true;
 788   else
 789     return false;
 790 }
 791
 792 /* Remove Tux's power ups */
 793 void
 794 Player::remove_powerups()
 795 {
 796   got_coffee = false;
 797   size = SMALL;
 798   base.height = 32;
 799 }
 800
 801 void
 802 Player::keep_in_bounds()
 803 {
 804   Level* plevel = World::current()->get_level();
 805
 806   /* Keep tux in bounds: */
 807   if (base.x < 0)
 808     { // Lock Tux to the size of the level, so that he doesn't fall of
 809       // on the left side
 810       base.x = 0;
 811     }
 812   else if (base.x < scroll_x)
 813     {
 814       base.x = scroll_x;
 815     }
 816
 817   /* Keep in-bounds, vertically: */
 818   if (base.y > screen->h)
 819     {
 820       kill(KILL);
 821     }
 822
 823   int scroll_threshold = screen->w/2 - 80;
 824   if (debug_mode)
 825     {
 826       scroll_x += screen->w/2;
 827       // Backscrolling for debug mode
 828       if (scroll_x < base.x - 80)
 829         scroll_x = base.x - 80;
 830       else if (scroll_x > base.x + 80)
 831         scroll_x = base.x + 80;
 832       scroll_x -= screen->w/2;
 833
 834       if(scroll_x < 0)
 835         scroll_x = 0;
 836     }
 837   else
 838     {
 839       if (base.x > scroll_threshold + scroll_x
 840           && scroll_x < ((World::current()->get_level()->width * 32) - screen->w))
 841         {
 842           // FIXME: Scrolling needs to be handled by a seperate View
 843           // class, doing it as a player huck is ugly
 844
 845           // Scroll the screen in past center:
 846           scroll_x = base.x - scroll_threshold;
 847
 848           // Lock the scrolling to the levelsize, so that we don't
 849           // scroll over the right border
 850           if (scroll_x > 32 * plevel->width - screen->w)
 851             scroll_x = 32 * plevel->width - screen->w;
 852         }
 853     }
 854 }
 855
 856 // EOF //
 857