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