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 <cmath>
  21 #include <iostream>
  22 #include <cassert>
  23
  24 #include "gameloop.h"
  25 #include "app/globals.h"
  26 #include "player.h"
  27 #include "defines.h"
  28 #include "scene.h"
  29 #include "tile.h"
  30 #include "special/sprite.h"
  31 #include "sector.h"
  32 #include "tilemap.h"
  33 #include "camera.h"
  34 #include "gameobjs.h"
  35 #include "resources.h"
  36 #include "interactive_object.h"
  37 #include "video/screen.h"
  38
  39 // behavior definitions:
  40 #define TILES_FOR_BUTTJUMP 3
  41 // animation times (in ms):
  42 #define SHOOTING_TIME 320
  43 // others stuff:
  44 #define AUTOSCROLL_DEAD_INTERVAL 300
  45
  46 // time before idle animation starts
  47 #define IDLE_TIME 2500
  48
  49 // growing animation
  50 Surface* growingtux_left[GROWING_FRAMES];
  51 Surface* growingtux_right[GROWING_FRAMES];
  52
  53 Surface* tux_life;
  54
  55 Sprite* smalltux_gameover;
  56 Sprite* smalltux_star;
  57 Sprite* bigtux_star;
  58
  59 TuxBodyParts* small_tux;
  60 TuxBodyParts* big_tux;
  61 TuxBodyParts* fire_tux;
  62 TuxBodyParts* ice_tux;
  63
  64 PlayerKeymap keymap;
  65
  66 PlayerKeymap::PlayerKeymap()
  67 {
  68   keymap.jump  = SDLK_SPACE;
  69   keymap.activate = 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   pplayer_input->old_up = UP;
  85   pplayer_input->activate = UP;
  86 }
  87
  88 void
  89 TuxBodyParts::set_action(std::string action)
  90 {
  91   if(head != NULL)
  92     head->set_action(action);
  93   if(body != NULL)
  94     body->set_action(action);
  95   if(arms != NULL)
  96     arms->set_action(action);
  97   if(feet != NULL)
  98     feet->set_action(action);
  99 }
 100
 101 void
 102 TuxBodyParts::one_time_animation()
 103 {
 104   if(head != NULL)
 105     head->start_animation(1);
 106   if(body != NULL)
 107     body->start_animation(1);
 108   if(arms != NULL)
 109     arms->start_animation(1);
 110   if(feet != NULL)
 111     feet->start_animation(1);
 112 }
 113
 114 void
 115 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer,
 116                   Uint32 drawing_effect)
 117 {
 118   if(head != NULL)
 119     head->draw(context, pos, layer, drawing_effect);
 120   if(body != NULL)
 121     body->draw(context, pos, layer, drawing_effect);
 122   if(arms != NULL)
 123     arms->draw(context, pos, layer, drawing_effect);
 124   if(feet != NULL)
 125     feet->draw(context, pos, layer, drawing_effect);
 126 }
 127
 128 Player::Player()
 129 {
 130   init();
 131 }
 132
 133 Player::~Player()
 134 {
 135 }
 136
 137 void
 138 Player::init()
 139 {
 140   holding_something = false;
 141
 142   base.width = 32;
 143   base.height = 32;
 144
 145   size = SMALL;
 146   got_power = NONE_POWER;
 147
 148   base.x = 0;
 149   base.y = 0;
 150   previous_base = old_base = base;
 151   dir = RIGHT;
 152   old_dir = dir;
 153   duck = false;
 154   dead = false;
 155
 156   dying   = DYING_NOT;
 157   last_ground_y = 0;
 158   fall_mode = ON_GROUND;
 159   jumping = false;
 160   can_jump = true;
 161   butt_jump = false;
 162
 163   frame_main = 0;
 164   frame_ = 0;
 165
 166   player_input_init(&input);
 167
 168   invincible_timer.init(true);
 169   skidding_timer.init(true);
 170   safe_timer.init(true);
 171   frame_timer.init(true);
 172   kick_timer.init(true);
 173   shooting_timer.init(true);
 174   growing_timer.init(true);
 175   idle_timer.init(true);
 176
 177   physic.reset();
 178 }
 179
 180 int
 181 Player::key_event(SDLKey key, int state)
 182 {
 183   idle_timer.start(IDLE_TIME);
 184
 185   if(key == keymap.right)
 186     {
 187       input.right = state;
 188       return true;
 189     }
 190   else if(key == keymap.left)
 191     {
 192       input.left = state;
 193       return true;
 194     }
 195   else if(key == keymap.jump)
 196     {
 197       input.up = state;
 198       return true;
 199     }
 200   else if(key == keymap.duck)
 201     {
 202       input.down = state;
 203       return true;
 204     }
 205   else if(key == keymap.fire)
 206     {
 207       if (state == UP)
 208         input.old_fire = UP;
 209       input.fire = state;
 210       return true;
 211     }
 212   else if(key == keymap.activate)
 213     {
 214       input.activate = state;
 215
 216       if(state == DOWN) {
 217         /** check for interactive objects */
 218         for(Sector::InteractiveObjects::iterator i
 219             = Sector::current()->interactive_objects.begin();
 220             i != Sector::current()->interactive_objects.end(); ++i) {
 221           if(rectcollision(base, (*i)->get_area())) {
 222             (*i)->interaction(INTERACTION_ACTIVATE);
 223           }
 224         }
 225       }
 226
 227       return true;
 228     }
 229   else
 230     return false;
 231 }
 232
 233 void
 234 Player::level_begin()
 235 {
 236   base.x  = 100;
 237   base.y  = 170;
 238   previous_base = old_base = base;
 239   duck = false;
 240
 241   dying = DYING_NOT;
 242
 243   player_input_init(&input);
 244
 245   invincible_timer.init(true);
 246   skidding_timer.init(true);
 247   safe_timer.init(true);
 248   frame_timer.init(true);
 249   growing_timer.init(true);
 250   idle_timer.init(true);
 251
 252   physic.reset();
 253 }
 254
 255 void
 256 Player::action(float elapsed_time)
 257 {
 258   bool jumped_in_solid = false;
 259
 260   if(dying && !dying_timer.check()) {
 261     dead = true;
 262     return;
 263   }
 264
 265   if (input.fire == UP)
 266     holding_something = false;
 267
 268   /* Move tux: */
 269   previous_base = base;
 270
 271   /* --- HANDLE TUX! --- */
 272   if(dying == DYING_NOT)
 273     handle_input();
 274
 275   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 276
 277   if(dying == DYING_NOT)
 278     {
 279       base_type target = base;
 280
 281       collision_swept_object_map(&old_base, &base);
 282
 283       if ((!invincible_timer.started() && !safe_timer.started())
 284           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 285           ||  isspike(base.x, base.y + base.height)
 286           ||  isspike(base.x + base.width, base.y + base.height)))
 287       {
 288          kill(SHRINK);
 289       }
 290
 291       // Don't accelerate Tux if he is running against a wall
 292       if (target.x != base.x)
 293         {
 294           physic.set_velocity_x(0);
 295         }
 296
 297       // special exception for cases where we're stuck under tiles after
 298       // being ducked. In this case we drift out
 299       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 300          && collision_object_map(base))
 301         {
 302           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 303           previous_base = old_base = base;
 304         }
 305
 306       // Land:
 307       if (!on_ground())
 308         {
 309           physic.enable_gravity(true);
 310           if(under_solid())
 311             {
 312               // fall down
 313               physic.set_velocity_y(0);
 314               jumped_in_solid = true;
 315               jumping = false;
 316             }
 317         }
 318       else
 319         {
 320           /* Land: */
 321           if (physic.get_velocity_y() < 0)
 322             {
 323               base.y = (int)(((int)base.y / 32) * 32);
 324               physic.set_velocity_y(0);
 325             }
 326
 327           physic.enable_gravity(false);
 328           /* Reset score multiplier (for multi-hits): */
 329           if (!invincible_timer.started())
 330             player_status.score_multiplier = 1;
 331         }
 332
 333       if(jumped_in_solid)
 334         {
 335           if (isbrick(base.x, base.y) ||
 336               isfullbox(base.x, base.y))
 337             {
 338               Sector::current()->trygrabdistro(
 339                   Vector(base.x, base.y - 32), BOUNCE);
 340               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 341
 342               Sector::current()->trybreakbrick(
 343                   Vector(base.x, base.y), size == SMALL);
 344
 345               bumpbrick(base.x, base.y);
 346               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 347             }
 348
 349           if (isbrick(base.x+ 31, base.y) ||
 350               isfullbox(base.x+ 31, base.y))
 351             {
 352               Sector::current()->trygrabdistro(
 353                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 354               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 355
 356               if(size == BIG)
 357                 Sector::current()->trybreakbrick(
 358                     Vector(base.x+ 31, base.y), size == SMALL);
 359
 360               bumpbrick(base.x+ 31, base.y);
 361               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 362             }
 363         }
 364
 365       grabdistros();
 366
 367       if (jumped_in_solid)
 368         {
 369           ++base.y;
 370           ++old_base.y;
 371           if(on_ground())
 372             {
 373               /* Make sure jumping is off. */
 374               jumping = false;
 375             }
 376         }
 377     }
 378
 379   /* ---- DONE HANDLING TUX! --- */
 380
 381   // check some timers
 382   skidding_timer.check();
 383   invincible_timer.check();
 384   safe_timer.check();
 385   kick_timer.check();
 386 }
 387
 388 bool
 389 Player::on_ground()
 390 {
 391   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 392            issolid(base.x + 1, base.y + base.height) ||
 393            issolid(base.x + base.width - 1, base.y + base.height));
 394 }
 395
 396 bool
 397 Player::under_solid()
 398 {
 399   return ( issolid(base.x + base.width / 2, base.y) ||
 400            issolid(base.x + 1, base.y) ||
 401            issolid(base.x + base.width - 1, base.y)  );
 402 }
 403
 404 bool
 405 Player::tiles_on_air(int tiles)
 406 {
 407   for(int t = 0; t != tiles; t++)
 408      {
 409      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 410          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 411          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 412        return false;
 413      }
 414   return true;
 415 }
 416
 417 void
 418 Player::handle_horizontal_input()
 419 {
 420   float vx = physic.get_velocity_x();
 421   float vy = physic.get_velocity_y();
 422   float ax = physic.get_acceleration_x();
 423   float ay = physic.get_acceleration_y();
 424
 425   float dirsign = 0;
 426   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 427       old_dir = dir;
 428       dir = LEFT;
 429       dirsign = -1;
 430   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 431       old_dir = dir;
 432       dir = RIGHT;
 433       dirsign = 1;
 434   }
 435
 436   if (input.fire == UP) {
 437       ax = dirsign * WALK_ACCELERATION_X;
 438       // limit speed
 439       if(vx >= MAX_WALK_XM && dirsign > 0) {
 440         vx = MAX_WALK_XM;
 441         ax = 0;
 442       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 443         vx = -MAX_WALK_XM;
 444         ax = 0;
 445       }
 446   } else {
 447       ax = dirsign * RUN_ACCELERATION_X;
 448       // limit speed
 449       if(vx >= MAX_RUN_XM && dirsign > 0) {
 450         vx = MAX_RUN_XM;
 451         ax = 0;
 452       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 453         vx = -MAX_RUN_XM;
 454         ax = 0;
 455       }
 456   }
 457
 458   // we can reach WALK_SPEED without any acceleration
 459   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 460     vx = dirsign * WALK_SPEED;
 461   }
 462
 463   // changing directions?
 464   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 465       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 466           skidding_timer.start(SKID_TIME);
 467           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 468           ax *= 2.5;
 469       } else {
 470           ax *= 2;
 471       }
 472   }
 473
 474   // we get slower when not pressing any keys
 475   if(dirsign == 0) {
 476       if(fabs(vx) < WALK_SPEED) {
 477           vx = 0;
 478           ax = 0;
 479       } else if(vx < 0) {
 480           ax = WALK_ACCELERATION_X * 1.5;
 481       } else {
 482           ax = WALK_ACCELERATION_X * -1.5;
 483       }
 484   }
 485
 486   // if we're on ice slow down acceleration or deceleration
 487   if (isice(base.x, base.y + base.height))
 488   {
 489     /* the acceleration/deceleration rate on ice is inversely proportional to
 490      * the current velocity.
 491      */
 492
 493     // increasing 1 will increase acceleration/deceleration rate
 494     // decreasing 1 will decrease acceleration/deceleration rate
 495     //  must stay above zero, though
 496     if (ax != 0) ax *= 1 / fabs(vx);
 497   }
 498
 499   physic.set_velocity(vx, vy);
 500   physic.set_acceleration(ax, ay);
 501 }
 502
 503 void
 504 Player::handle_vertical_input()
 505 {
 506   // set fall mode...
 507   if(on_ground()) {
 508     fall_mode = ON_GROUND;
 509     last_ground_y = base.y;
 510   } else {
 511     if(base.y > last_ground_y)
 512       fall_mode = FALLING;
 513     else if(fall_mode == ON_GROUND)
 514       fall_mode = JUMPING;
 515   }
 516
 517   // Press jump key
 518   if(input.up == DOWN && can_jump && on_ground())
 519     {
 520       if(duck) { // only jump a little bit when in duck mode {
 521         physic.set_velocity_y(3);
 522       } else {
 523         // jump higher if we are running
 524         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 525           physic.set_velocity_y(5.8);
 526         else
 527           physic.set_velocity_y(5.2);
 528       }
 529
 530       --base.y;
 531       jumping = true;
 532       can_jump = false;
 533       if (size == SMALL)
 534         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 535       else
 536         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 537     }
 538   // Let go of jump key
 539   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 540     {
 541       jumping = false;
 542       physic.set_velocity_y(0);
 543     }
 544
 545    /* In case the player has pressed Down while in a certain range of air,
 546       enable butt jump action */
 547   if (input.down == DOWN && !butt_jump && !duck)
 548     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 549       butt_jump = true;
 550
 551    /* When Down is not held anymore, disable butt jump */
 552   if(butt_jump && input.down == UP)
 553     butt_jump = false;
 554
 555   // Do butt jump
 556   if (butt_jump && on_ground() && size == BIG)
 557   {
 558     // Add a smoke cloud
 559     if (duck)
 560       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 561     else
 562       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 563
 564     butt_jump = false;
 565
 566     // Break bricks beneath Tux
 567     if(Sector::current()->trybreakbrick(
 568           Vector(base.x + 1, base.y + base.height), false)
 569         || Sector::current()->trybreakbrick(
 570            Vector(base.x + base.width - 1, base.y + base.height), false))
 571     {
 572       physic.set_velocity_y(2);
 573       butt_jump = true;
 574     }
 575
 576     // Kill nearby badguys
 577     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 578     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 579          i != gameobjects.end();
 580          i++)
 581     {
 582       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 583       if(badguy)
 584       {
 585
 586         if (fabsf(base.x - badguy->base.x) < 150 &&
 587             fabsf(base.y - badguy->base.y) < 60 &&
 588             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 589               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 590           badguy->kill_me(25);
 591       }
 592     }
 593   }
 594
 595   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 596         issolid(base.x + 1, base.y + base.height + 64) ||
 597         issolid(base.x + base.width - 1, base.y + base.height + 64))
 598        && jumping  == false
 599        && can_jump == false
 600        && input.up == DOWN
 601        && input.old_up == UP)
 602     {
 603       can_jump = true;
 604     }
 605
 606   if(on_ground())   /* Make sure jumping is off. */
 607     jumping = false;
 608
 609   input.old_up = input.up;
 610 }
 611
 612 void
 613 Player::handle_input()
 614 {
 615   /* Handle horizontal movement: */
 616     handle_horizontal_input();
 617
 618   /* Jump/jumping? */
 619
 620   if (on_ground() && input.up == UP)
 621     can_jump = true;
 622   handle_vertical_input();
 623
 624   /* Shoot! */
 625   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 626     {
 627       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 628           physic.get_velocity_x(), dir))
 629         shooting_timer.start(SHOOTING_TIME);
 630       input.old_fire = DOWN;
 631     }
 632
 633   /* tux animations: */
 634   if(!frame_timer.check())
 635     {
 636       frame_timer.start(25);
 637       if (input.right == UP && input.left == UP)
 638         {
 639           frame_main = 1;
 640           frame_ = 1;
 641         }
 642       else
 643         {
 644           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 645               (global_frame_counter % 4) == 0)
 646             frame_main = (frame_main + 1) % 4;
 647
 648           frame_ = frame_main;
 649
 650           if (frame_ == 3)
 651             frame_ = 1;
 652         }
 653     }
 654
 655   /* Duck! */
 656   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 657     {
 658       duck = true;
 659       base.height = 32;
 660       base.y += 32;
 661       // changing base size confuses collision otherwise
 662       old_base = previous_base = base;
 663     }
 664   else if(input.down == UP && size == BIG && duck)
 665     {
 666       // try if we can really unduck
 667       base.y -= 32;
 668       base.height = 64;
 669       // when unducking in air we need some space to do so
 670       if(on_ground() || !collision_object_map(base)) {
 671         duck = false;
 672         // changing base size confuses collision otherwise
 673         old_base = previous_base = base;
 674       } else {
 675         // undo the ducking changes
 676         base.y += 32;
 677         base.height = 32;
 678       }
 679     }
 680 }
 681
 682 void
 683 Player::grow(bool animate)
 684 {
 685   if(size == BIG)
 686     return;
 687
 688   size = BIG;
 689   base.height = 64;
 690   base.y -= 32;
 691
 692   if(animate)
 693     growing_timer.start(GROWING_TIME);
 694
 695   old_base = previous_base = base;
 696 }
 697
 698 void
 699 Player::grabdistros()
 700 {
 701   /* Grab distros: */
 702   if (!dying)
 703     {
 704       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 705       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 706       Sector::current()->trygrabdistro(
 707           Vector(base.x, base.y + base.height), NO_BOUNCE);
 708       Sector::current()->trygrabdistro(
 709           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 710
 711       if(size == BIG)
 712         {
 713           Sector::current()->trygrabdistro(
 714               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 715           Sector::current()->trygrabdistro(
 716               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 717         }
 718
 719     }
 720
 721   /* Enough distros for a One-up? */
 722   if (player_status.distros >= DISTROS_LIFEUP)
 723     {
 724       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 725       if(player_status.lives < MAX_LIVES)
 726         ++player_status.lives;
 727       /*We want to hear the sound even, if MAX_LIVES is reached*/
 728       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 729     }
 730 }
 731
 732 void
 733 Player::draw(DrawingContext& context)
 734 {
 735   TuxBodyParts* tux_body;
 736
 737   if (size == SMALL)
 738     tux_body = small_tux;
 739   else if (got_power == FIRE_POWER)
 740     tux_body = fire_tux;
 741   else if (got_power == ICE_POWER)
 742     tux_body = ice_tux;
 743   else
 744     tux_body = big_tux;
 745
 746   int layer = LAYER_OBJECTS - 1;
 747   Vector pos = Vector(base.x, base.y);
 748
 749   /* Set Tux sprite action */
 750   if (duck && size == BIG)
 751     {
 752     if(dir == LEFT)
 753       tux_body->set_action("duck-left");
 754     else // dir == RIGHT
 755       tux_body->set_action("duck-right");
 756     }
 757   else if (skidding_timer.started())
 758     {
 759     if(dir == LEFT)
 760       tux_body->set_action("skid-left");
 761     else // dir == RIGHT
 762       tux_body->set_action("skid-right");
 763     }
 764   else if (kick_timer.started())
 765     {
 766     if(dir == LEFT)
 767       tux_body->set_action("kick-left");
 768     else // dir == RIGHT
 769       tux_body->set_action("kick-right");
 770     }
 771   else if (butt_jump)
 772     {
 773     if(dir == LEFT)
 774       tux_body->set_action("buttjump-left");
 775     else // dir == RIGHT
 776       tux_body->set_action("buttjump-right");
 777     }
 778   else if (physic.get_velocity_y() != 0)
 779     {
 780     if(dir == LEFT)
 781       tux_body->set_action("jump-left");
 782     else // dir == RIGHT
 783       tux_body->set_action("jump-right");
 784     }
 785   else
 786     {
 787     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 788       {
 789       if(dir == LEFT)
 790         tux_body->set_action("stand-left");
 791       else // dir == RIGHT
 792         tux_body->set_action("stand-right");
 793       }
 794     else // moving
 795       {
 796       if(dir == LEFT)
 797         tux_body->set_action("walk-left");
 798       else // dir == RIGHT
 799         tux_body->set_action("walk-right");
 800       }
 801     }
 802
 803   if(idle_timer.get_left() < 0)
 804     {
 805     if(size == BIG)
 806       {
 807       if(dir == LEFT)
 808         tux_body->head->set_action("idle-left");
 809       else // dir == RIGHT
 810         tux_body->head->set_action("idle-right");
 811
 812       tux_body->head->start_animation(1);
 813       }
 814
 815     idle_timer.start(IDLE_TIME);
 816     }
 817
 818   // Tux is holding something
 819   if ((holding_something && physic.get_velocity_y() == 0) ||
 820       shooting_timer.check())
 821     {
 822     if (duck)
 823       {
 824       if(dir == LEFT)
 825         tux_body->arms->set_action("duck+grab-left");
 826       else // dir == RIGHT
 827         tux_body->arms->set_action("duck+grab-right");
 828       }
 829     else
 830       {
 831       if(dir == LEFT)
 832         tux_body->arms->set_action("grab-left");
 833       else // dir == RIGHT
 834         tux_body->arms->set_action("grab-right");
 835       }
 836     }
 837
 838   /* Draw Tux */
 839   if (dying == DYING_SQUISHED)
 840     {
 841     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 842     }
 843   else if(growing_timer.check())
 844     {
 845     if(size == SMALL)
 846       {
 847       if (dir == RIGHT)
 848         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 849                  ((growing_timer.get_gone() *
 850                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 851       else
 852         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 853                 ((growing_timer.get_gone() *
 854                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 855       }
 856     else
 857       {
 858       if (dir == RIGHT)
 859         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 860                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 861       else
 862         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 863                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 864       }
 865     }
 866   else if (safe_timer.started() && global_frame_counter%2)
 867     ;  // don't draw Tux
 868   else
 869     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 870
 871   // Draw blinking star overlay
 872   if (invincible_timer.started() &&
 873      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 874   {
 875     if (size == SMALL || duck)
 876       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 877     else
 878       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
 879   }
 880
 881   if (debug_mode)
 882     context.draw_filled_rect(Vector(base.x, base.y),
 883         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 884 }
 885
 886 void
 887 Player::collision(const MovingObject& other, int collision_type)
 888 {
 889   (void) other;
 890   (void) collision_type;
 891   // will be implemented later
 892 }
 893
 894 void
 895 Player::collision(void* p_c_object, int c_object)
 896 {
 897   BadGuy* pbad_c = NULL;
 898   Trampoline* ptramp_c = NULL;
 899   FlyingPlatform* pplatform_c = NULL;
 900
 901   switch (c_object)
 902     {
 903     case CO_BADGUY:
 904       pbad_c = (BadGuy*) p_c_object;
 905
 906      /* Hurt player if he touches a badguy */
 907       if (!pbad_c->dying && !dying &&
 908           !safe_timer.started() &&
 909           pbad_c->mode != BadGuy::HELD)
 910         {
 911           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 912                && !holding_something)
 913             {
 914               holding_something = true;
 915               pbad_c->mode = BadGuy::HELD;
 916               pbad_c->base.y-=8;
 917             }
 918           else if (pbad_c->mode == BadGuy::FLAT)
 919             {
 920               // Don't get hurt if we're kicking a flat badguy!
 921             }
 922           else if (pbad_c->mode == BadGuy::KICK)
 923             {
 924               /* Hurt if you get hit by kicked laptop: */
 925               if (!invincible_timer.started())
 926                 {
 927                   kill(SHRINK);
 928                 }
 929               else
 930                 pbad_c->kill_me(20);
 931             }
 932           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 933               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 934               || pbad_c->kind == BAD_SPIKY))
 935                 pbad_c->kill_me(20);
 936           else
 937             {
 938               if (!invincible_timer.started())
 939                 {
 940                   kill(SHRINK);
 941                 }
 942               else
 943                 {
 944                   pbad_c->kill_me(25);
 945                 }
 946             }
 947           player_status.score_multiplier++;
 948         }
 949       break;
 950
 951     case CO_TRAMPOLINE:
 952       ptramp_c = (Trampoline*) p_c_object;
 953
 954       // Pick up trampoline
 955       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 956       {
 957         holding_something = true;
 958         ptramp_c->mode = Trampoline::M_HELD;
 959         ptramp_c->base.y -= 8;
 960       }
 961       // Set down trampoline
 962       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 963       {
 964         holding_something = false;
 965         ptramp_c->mode = Trampoline::M_NORMAL;
 966         ptramp_c->base.y += 8;
 967         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 968
 969         //if (dir == RIGHT)
 970         //  ptramp_c->base.x = base.x + base.width+1;
 971         //else /* LEFT */
 972         //  ptramp_c->base.x = base.x - base.width-1;
 973       }
 974 /*
 975       // Don't let tux walk through trampoline
 976       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 977       {
 978         if (physic.get_velocity_x() > 0) // RIGHT
 979         {
 980           physic.set_velocity_x(0);
 981           base.x = ptramp_c->base.x - base.width;
 982         }
 983         else if (physic.get_velocity_x() < 0) // LEFT
 984         {
 985           physic.set_velocity_x(0);
 986           base.x = ptramp_c->base.x + ptramp_c->base.width;
 987         }
 988       }
 989 */
 990       break;
 991     case CO_FLYING_PLATFORM:
 992       pplatform_c = (FlyingPlatform*) p_c_object;
 993
 994       base.y = pplatform_c->base.y - base.height;
 995       physic.set_velocity_x(pplatform_c->get_vel_x());
 996
 997       physic.enable_gravity(false);
 998       can_jump = true;
 999       fall_mode = ON_GROUND;
1000       break;
1001
1002     default:
1003       break;
1004     }
1005
1006 }
1007
1008 /* Kill Player! */
1009
1010 void
1011 Player::kill(HurtMode mode)
1012 {
1013   if(dying)
1014     return;
1015
1016   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1017
1018   physic.set_velocity_x(0);
1019
1020   if (mode == SHRINK && size == BIG)
1021     {
1022       if (got_power != NONE_POWER)
1023         {
1024           safe_timer.start(TUX_SAFE_TIME);
1025           got_power = NONE_POWER;
1026         }
1027       else
1028         {
1029           growing_timer.start(GROWING_TIME);
1030           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1031           size = SMALL;
1032           base.height = 32;
1033           duck = false;
1034         }
1035     }
1036   else
1037     {
1038       physic.enable_gravity(true);
1039       physic.set_acceleration(0, 0);
1040       physic.set_velocity(0, 7);
1041       --player_status.lives;
1042       dying = DYING_SQUISHED;
1043       dying_timer.start(3000);
1044     }
1045 }
1046
1047 /* Remove Tux's power ups */
1048 void
1049 Player::remove_powerups()
1050 {
1051   got_power = NONE_POWER;
1052   size = SMALL;
1053   base.height = 32;
1054 }
1055
1056 void
1057 Player::move(const Vector& vector)
1058 {
1059   base.x = vector.x;
1060   base.y = vector.y;
1061   old_base = previous_base = base;
1062 }
1063
1064 void
1065 Player::check_bounds(Camera* camera)
1066 {
1067   /* Keep tux in bounds: */
1068   if (base.x < 0)
1069     { // Lock Tux to the size of the level, so that he doesn't fall of
1070       // on the left side
1071       base.x = 0;
1072     }
1073
1074   /* Keep in-bounds, vertically: */
1075   if (base.y > Sector::current()->solids->get_height() * 32)
1076     {
1077       kill(KILL);
1078       return;
1079     }
1080
1081   bool adjust = false;
1082   // can happen if back scrolling is disabled
1083   if(base.x < camera->get_translation().x) {
1084     base.x = camera->get_translation().x;
1085     adjust = true;
1086   }
1087   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1088     base.x = camera->get_translation().x + screen->w - base.width;
1089     adjust = true;
1090   }
1091
1092   if(adjust) {
1093     // squished now?
1094     if(collision_object_map(base)) {
1095       kill(KILL);
1096       return;
1097     }
1098   }
1099 }
1100
1101 void
1102 Player::bounce(BadGuy* badguy)
1103 {
1104   if (input.up)
1105     physic.set_velocity_y(5.2);
1106   else
1107     physic.set_velocity_y(2);
1108
1109   // Move the player a little bit above the badguy to avoid collision
1110   // between badguy and player directly after the bounce has happend
1111   base.y = badguy->base.y - base.height - 2;
1112 }
1113
1114 /* EOF */
1115