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