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