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
  39 Sprite* bigtux_right;
  40 Sprite* bigtux_left;
  41 Sprite* bigtux_right_jump;
  42 Sprite* bigtux_left_jump;
  43 Sprite* ducktux_right;
  44 Sprite* ducktux_left;
  45 Surface* skidtux_right;
  46 Surface* skidtux_left;
  47 Surface* firetux_right[3];
  48 Surface* firetux_left[3];
  49 Surface* bigfiretux_right[3];
  50 Surface* bigfiretux_left[3];
  51 Surface* bigfiretux_right_jump;
  52 Surface* bigfiretux_left_jump;
  53 Surface* duckfiretux_right;
  54 Surface* duckfiretux_left;
  55 Surface* skidfiretux_right;
  56 Surface* skidfiretux_left;
  57 Surface* cape_right[2];
  58 Surface* cape_left[2];
  59 Surface* bigcape_right[2];
  60 Surface* bigcape_left[2];
  61
  62 PlayerKeymap keymap;
  63
  64 PlayerKeymap::PlayerKeymap()
  65 {
  66   keymap.jump  = SDLK_UP;
  67   keymap.duck  = SDLK_DOWN;
  68   keymap.left  = SDLK_LEFT;
  69   keymap.right = SDLK_RIGHT;
  70   keymap.fire  = SDLK_LCTRL;
  71 }
  72
  73 void player_input_init(player_input_type* pplayer_input)
  74 {
  75   pplayer_input->down = UP;
  76   pplayer_input->fire = UP;
  77   pplayer_input->left = UP;
  78   pplayer_input->old_fire = UP;
  79   pplayer_input->right = UP;
  80   pplayer_input->up = UP;
  81 }
  82
  83 void
  84 Player::init()
  85 {
  86   Level* plevel = World::current()->get_level();
  87
  88   base.width = 32;
  89   base.height = 32;
  90
  91   size = SMALL;
  92   got_coffee = false;
  93
  94   base.x = plevel->start_pos_x;
  95   base.y = plevel->start_pos_y;
  96   base.xm = 0;
  97   base.ym = 0;
  98   previous_base = old_base = base;
  99   dir = RIGHT;
 100   duck = false;
 101
 102   dying   = DYING_NOT;
 103   jumping = false;
 104
 105   frame_main = 0;
 106   frame_ = 0;
 107
 108   player_input_init(&input);
 109
 110   invincible_timer.init(true);
 111   skidding_timer.init(true);
 112   safe_timer.init(true);
 113   frame_timer.init(true);
 114
 115   physic.reset();
 116 }
 117
 118 int
 119 Player::key_event(SDLKey key, int state)
 120 {
 121   if(key == keymap.right)
 122     {
 123       input.right = state;
 124       return true;
 125     }
 126   else if(key == keymap.left)
 127     {
 128       input.left = state;
 129       return true;
 130     }
 131   else if(key == keymap.jump)
 132     {
 133       input.up = state;
 134       return true;
 135     }
 136   else if(key == keymap.duck)
 137     {
 138       input.down = state;
 139       return true;
 140     }
 141   else if(key == keymap.fire)
 142     {
 143       input.fire = state;
 144       return true;
 145     }
 146   else
 147     return false;
 148 }
 149
 150 void
 151 Player::level_begin()
 152 {
 153   base.x  = 100;
 154   base.y  = 170;
 155   base.xm = 0;
 156   base.ym = 0;
 157   previous_base = old_base = base;
 158   duck = false;
 159
 160   dying = DYING_NOT;
 161
 162   player_input_init(&input);
 163
 164   invincible_timer.init(true);
 165   skidding_timer.init(true);
 166   safe_timer.init(true);
 167   frame_timer.init(true);
 168
 169   physic.reset();
 170 }
 171
 172 void
 173 Player::action(double frame_ratio)
 174 {
 175   bool jumped_in_solid = false;
 176
 177   /* --- HANDLE TUX! --- */
 178
 179   if(dying == DYING_NOT)
 180     handle_input();
 181
 182   /* Move tux: */
 183   previous_base = base;
 184
 185   physic.apply(frame_ratio, base.x, base.y);
 186   if(dying == DYING_NOT)
 187     {
 188       base_type target = base;
 189
 190       collision_swept_object_map(&old_base, &base);
 191
 192       // Don't accelerate Tux if he is running against a wall
 193       if (target.x != base.x)
 194         {
 195           physic.set_velocity_x(0);
 196         }
 197
 198       // special exception for cases where we're stuck under tiles after
 199       // being ducked. In this case we drift out
 200       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 201          && collision_object_map(&base)) {
 202         base.x += frame_ratio * WALK_SPEED * (dir ? 1 : -1);
 203         previous_base = old_base = base;
 204       }
 205       keep_in_bounds();
 206     }
 207
 208   if (dying == DYING_NOT)
 209     {
 210       /* Land: */
 211
 212
 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
 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 (size == SMALL)
 514         {
 515           if (invincible_timer.started())
 516             {
 517               /* Draw cape: */
 518
 519               if (dir == RIGHT)
 520                 cape_right[global_frame_counter % 2]->draw(base.x- scroll_x, base.y);
 521               else
 522                 cape_left[global_frame_counter % 2]->draw(base.x- scroll_x, base.y);
 523             }
 524
 525
 526           if (!got_coffee)
 527             {
 528               if (physic.get_velocity_y() != 0)
 529                 {
 530                   if (dir == RIGHT)
 531                     smalltux_jump_right->draw( base.x - scroll_x, base.y - 10);
 532                   else
 533                     smalltux_jump_left->draw( base.x - scroll_x, base.y - 10);
 534                 }
 535               else
 536                 {
 537                   if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 538                     {
 539                       if (dir == RIGHT)
 540                         smalltux_stand_right->draw( base.x - scroll_x, base.y - 9);
 541                       else
 542                         smalltux_stand_left->draw( base.x - scroll_x, base.y - 9);
 543                     }
 544                   else // moving
 545                     {
 546                       if (dir == RIGHT)
 547                         tux_right[(global_frame_counter/2) % tux_right.size()]->draw(base.x - scroll_x, base.y - 9);
 548                       else
 549                         tux_left[(global_frame_counter/2) % tux_left.size()]->draw(base.x - scroll_x, base.y - 9);
 550                     }
 551                 }
 552             }
 553           else
 554             {
 555               /* Tux got coffee! */
 556
 557               if (dir == RIGHT)
 558                 {
 559                   firetux_right[frame_]->draw( base.x- scroll_x, base.y);
 560                 }
 561               else
 562                 {
 563                   firetux_left[frame_]->draw( base.x- scroll_x, base.y);
 564                 }
 565             }
 566         }
 567       else
 568         {
 569           if (invincible_timer.started())
 570             {
 571               float capex = base.x + (base.width - bigcape_right[0]->w) / 2;
 572               capex -= scroll_x;
 573               float capey = base.y + (base.height - bigcape_right[0]->h) / 2;
 574
 575               /* Draw cape (just not in ducked mode since that looks silly): */
 576               if (dir == RIGHT)
 577                 bigcape_right[global_frame_counter % 2]->draw(capex, capey);
 578               else
 579                 bigcape_left[global_frame_counter % 2]->draw(capex, capey);
 580             }
 581
 582           if (!got_coffee)
 583             {
 584               if (!duck)
 585                 {
 586                   if (!skidding_timer.started())
 587                     {
 588                       if (physic.get_velocity_y() == 0)
 589                         {
 590                           if (dir == RIGHT)
 591                             bigtux_right->draw(base.x - scroll_x, base.y);
 592                           else
 593                             bigtux_left->draw(base.x - scroll_x, base.y);
 594                         }
 595                       else
 596                         {
 597                           if (dir == RIGHT)
 598                             bigtux_right_jump->draw(base.x - scroll_x, base.y);
 599                           else
 600                             bigtux_left_jump->draw(base.x - scroll_x, base.y);
 601                         }
 602                     }
 603                   else
 604                     {
 605                       if (dir == RIGHT)
 606                         skidtux_right->draw(base.x - scroll_x - 8, base.y);
 607                       else
 608                         skidtux_left->draw(base.x - scroll_x - 8, base.y);
 609                     }
 610                 }
 611               else
 612                 {
 613                   if (dir == RIGHT)
 614                     ducktux_right->draw(base.x - scroll_x, base.y);
 615                   else
 616                     ducktux_left->draw(base.x - scroll_x, base.y);
 617                 }
 618             }
 619           else
 620             {
 621               /* Tux has coffee! */
 622               if (!duck)
 623                 {
 624                   if (!skidding_timer.started())
 625                     {
 626                       if (!jumping || physic.get_velocity_y() > 0)
 627                         {
 628                           if (dir == RIGHT)
 629                             bigfiretux_right[frame_]->draw(base.x- scroll_x - 8, base.y);
 630                           else
 631                             bigfiretux_left[frame_]->draw(base.x- scroll_x - 8, base.y);
 632                         }
 633                       else
 634                         {
 635                           if (dir == RIGHT)
 636                             bigfiretux_right_jump->draw(base.x- scroll_x - 8, base.y);
 637                           else
 638                             bigfiretux_left_jump->draw(base.x- scroll_x - 8, base.y);
 639                         }
 640                     }
 641                   else
 642                     {
 643                       if (dir == RIGHT)
 644                         skidfiretux_right->draw(base.x- scroll_x - 8, base.y);
 645                       else
 646                         skidfiretux_left->draw(base.x- scroll_x - 8, base.y);
 647                     }
 648                 }
 649               else
 650                 {
 651                   if (dir == RIGHT)
 652                     duckfiretux_right->draw( base.x- scroll_x - 8, base.y - 16);
 653                   else
 654                     duckfiretux_left->draw( base.x- scroll_x - 8, base.y - 16);
 655                 }
 656             }
 657         }
 658     }
 659
 660   if (debug_mode)
 661     fillrect(base.x - scroll_x, base.y, 32, 32, 75,75,75, 150);
 662 }
 663
 664 void
 665 Player::collision(void* p_c_object, int c_object)
 666 {
 667   BadGuy* pbad_c = NULL;
 668
 669   switch (c_object)
 670     {
 671     case CO_BADGUY:
 672       pbad_c = (BadGuy*) p_c_object;
 673
 674      /* Hurt player if he touches a badguy */
 675       if (!pbad_c->dying && !dying &&
 676           !safe_timer.started() &&
 677           pbad_c->mode != BadGuy::HELD)
 678         {
 679           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN)
 680             {
 681               pbad_c->mode = BadGuy::HELD;
 682               pbad_c->base.y-=8;
 683             }
 684           else if (pbad_c->mode == BadGuy::FLAT)
 685             {
 686               // Don't get hurt if we're kicking a flat badguy!
 687             }
 688           else if (pbad_c->mode == BadGuy::KICK)
 689             {
 690               /* Hurt if you get hit by kicked laptop: */
 691               if (!invincible_timer.started())
 692                 {
 693                   kill(SHRINK);
 694                 }
 695               else
 696                 {
 697                    pbad_c->dying = DYING_FALLING;
 698                    play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 699                    World::current()->add_score(pbad_c->base.x - scroll_x,
 700                                                pbad_c->base.y,
 701                                                25 * player_status.score_multiplier);
 702                 }
 703             }
 704           else
 705             {
 706               if (!invincible_timer.started())
 707                 {
 708                   kill(SHRINK);
 709                 }
 710               else
 711                 {
 712                   pbad_c->kill_me();
 713                 }
 714             }
 715           player_status.score_multiplier++;
 716         }
 717       break;
 718     default:
 719       break;
 720     }
 721
 722 }
 723
 724 /* Kill Player! */
 725
 726 void
 727 Player::kill(int mode)
 728 {
 729   play_sound(sounds[SND_HURT], SOUND_CENTER_SPEAKER);
 730
 731   physic.set_velocity(0, physic.get_velocity_y());
 732
 733   if (mode == SHRINK && size == BIG)
 734     {
 735       if (got_coffee)
 736         got_coffee = false;
 737
 738       size = SMALL;
 739       base.height = 32;
 740       duck = false;
 741
 742       safe_timer.start(TUX_SAFE_TIME);
 743     }
 744   else
 745     {
 746       physic.enable_gravity(true);
 747       physic.set_acceleration(0, 0);
 748       physic.set_velocity(0, 7);
 749       dying = DYING_SQUISHED;
 750     }
 751 }
 752
 753 void
 754 Player::is_dying()
 755 {
 756   remove_powerups();
 757   dying = DYING_NOT;
 758 }
 759
 760 bool Player::is_dead()
 761 {
 762   if(base.y > screen->h)
 763     return true;
 764   else
 765     return false;
 766 }
 767
 768 /* Remove Tux's power ups */
 769 void
 770 Player::remove_powerups()
 771 {
 772   got_coffee = false;
 773   size = SMALL;
 774   base.height = 32;
 775 }
 776
 777 void
 778 Player::keep_in_bounds()
 779 {
 780   Level* plevel = World::current()->get_level();
 781
 782   /* Keep tux in bounds: */
 783   if (base.x < 0)
 784     { // Lock Tux to the size of the level, so that he doesn't fall of
 785       // on the left side
 786       base.x = 0;
 787     }
 788   else if (base.x < scroll_x)
 789     {
 790       base.x = scroll_x;
 791     }
 792
 793   /* Keep in-bounds, vertically: */
 794   if (base.y > screen->h)
 795     {
 796       kill(KILL);
 797     }
 798
 799   int scroll_threshold = screen->w/2 - 80;
 800   if (debug_mode)
 801     {
 802       scroll_x += screen->w/2;
 803       // Backscrolling for debug mode
 804       if (scroll_x < base.x - 80)
 805         scroll_x = base.x - 80;
 806       else if (scroll_x > base.x + 80)
 807         scroll_x = base.x + 80;
 808       scroll_x -= screen->w/2;
 809
 810       if(scroll_x < 0)
 811         scroll_x = 0;
 812     }
 813   else
 814     {
 815       if (base.x > scroll_threshold + scroll_x
 816           && scroll_x < ((World::current()->get_level()->width * 32) - screen->w))
 817         {
 818           // FIXME: Scrolling needs to be handled by a seperate View
 819           // class, doing it as a player huck is ugly
 820
 821           // Scroll the screen in past center:
 822           scroll_x = base.x - scroll_threshold;
 823
 824           // Lock the scrolling to the levelsize, so that we don't
 825           // scroll over the right border
 826           if (scroll_x > 32 * plevel->width - screen->w)
 827             scroll_x = 32 * plevel->width - screen->w;
 828         }
 829     }
 830 }
 831
 832 // EOF //
 833