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 // growing animation
  47 Surface* growingtux_left[GROWING_FRAMES];
  48 Surface* growingtux_right[GROWING_FRAMES];
  49
  50 Surface* tux_life;
  51
  52 Sprite* smalltux_gameover;
  53 Sprite* smalltux_star;
  54 Sprite* bigtux_star;
  55
  56 TuxBodyParts* small_tux;
  57 TuxBodyParts* big_tux;
  58 TuxBodyParts* fire_tux;
  59 TuxBodyParts* ice_tux;
  60
  61 PlayerKeymap keymap;
  62
  63 PlayerKeymap::PlayerKeymap()
  64 {
  65   keymap.jump  = SDLK_SPACE;
  66   keymap.activate = 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   pplayer_input->old_up = UP;
  82   pplayer_input->activate = UP;
  83 }
  84
  85 void
  86 TuxBodyParts::set_action(std::string action)
  87 {
  88 head->set_action(action);
  89 body->set_action(action);
  90 arms->set_action(action);
  91 feet->set_action(action);
  92 }
  93
  94 void
  95 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer,
  96                   Uint32 drawing_effect)
  97 {
  98 head->draw(context, pos, layer, drawing_effect);
  99 body->draw(context, pos, layer, drawing_effect);
 100 arms->draw(context, pos, layer, drawing_effect);
 101 feet->draw(context, pos, layer, drawing_effect);
 102 }
 103
 104 Player::Player()
 105 {
 106   init();
 107 }
 108
 109 Player::~Player()
 110 {
 111 }
 112
 113 void
 114 Player::init()
 115 {
 116   holding_something = false;
 117
 118   base.width = 32;
 119   base.height = 32;
 120
 121   size = SMALL;
 122   got_power = NONE_POWER;
 123
 124   base.x = 0;
 125   base.y = 0;
 126   previous_base = old_base = base;
 127   dir = RIGHT;
 128   old_dir = dir;
 129   duck = false;
 130   dead = false;
 131
 132   dying   = DYING_NOT;
 133   last_ground_y = 0;
 134   fall_mode = ON_GROUND;
 135   jumping = false;
 136   can_jump = true;
 137   butt_jump = false;
 138
 139   frame_main = 0;
 140   frame_ = 0;
 141
 142   player_input_init(&input);
 143
 144   invincible_timer.init(true);
 145   skidding_timer.init(true);
 146   safe_timer.init(true);
 147   frame_timer.init(true);
 148   kick_timer.init(true);
 149   shooting_timer.init(true);
 150   growing_timer.init(true);
 151
 152   physic.reset();
 153 }
 154
 155 int
 156 Player::key_event(SDLKey key, int state)
 157 {
 158   if(key == keymap.right)
 159     {
 160       input.right = state;
 161       return true;
 162     }
 163   else if(key == keymap.left)
 164     {
 165       input.left = state;
 166       return true;
 167     }
 168   else if(key == keymap.jump)
 169     {
 170       input.up = state;
 171       return true;
 172     }
 173   else if(key == keymap.duck)
 174     {
 175       input.down = state;
 176       return true;
 177     }
 178   else if(key == keymap.fire)
 179     {
 180       if (state == UP)
 181         input.old_fire = UP;
 182       input.fire = state;
 183       return true;
 184     }
 185   else if(key == keymap.activate)
 186     {
 187       input.activate = state;
 188
 189       if(state == DOWN) {
 190         /** check for interactive objects */
 191         for(Sector::InteractiveObjects::iterator i
 192             = Sector::current()->interactive_objects.begin();
 193             i != Sector::current()->interactive_objects.end(); ++i) {
 194           if(rectcollision(base, (*i)->get_area())) {
 195             (*i)->interaction(INTERACTION_ACTIVATE);
 196           }
 197         }
 198       }
 199
 200       return true;
 201     }
 202   else
 203     return false;
 204 }
 205
 206 void
 207 Player::level_begin()
 208 {
 209   base.x  = 100;
 210   base.y  = 170;
 211   previous_base = old_base = base;
 212   duck = false;
 213
 214   dying = DYING_NOT;
 215
 216   player_input_init(&input);
 217
 218   invincible_timer.init(true);
 219   skidding_timer.init(true);
 220   safe_timer.init(true);
 221   frame_timer.init(true);
 222   growing_timer.init(true);
 223
 224   physic.reset();
 225 }
 226
 227 void
 228 Player::action(float elapsed_time)
 229 {
 230   bool jumped_in_solid = false;
 231
 232   if(dying && !dying_timer.check()) {
 233     dead = true;
 234     return;
 235   }
 236
 237   if (input.fire == UP)
 238     holding_something = false;
 239
 240   /* Move tux: */
 241   previous_base = base;
 242
 243   /* --- HANDLE TUX! --- */
 244   if(dying == DYING_NOT)
 245     handle_input();
 246
 247   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 248
 249   if(dying == DYING_NOT)
 250     {
 251       base_type target = base;
 252
 253       collision_swept_object_map(&old_base, &base);
 254
 255       if ((!invincible_timer.started() && !safe_timer.started())
 256           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 257           ||  isspike(base.x, base.y + base.height)
 258           ||  isspike(base.x + base.width, base.y + base.height)))
 259       {
 260          kill(SHRINK);
 261       }
 262
 263       // Don't accelerate Tux if he is running against a wall
 264       if (target.x != base.x)
 265         {
 266           physic.set_velocity_x(0);
 267         }
 268
 269       // special exception for cases where we're stuck under tiles after
 270       // being ducked. In this case we drift out
 271       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 272          && collision_object_map(base))
 273         {
 274           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 275           previous_base = old_base = base;
 276         }
 277
 278       // Land:
 279       if (!on_ground())
 280         {
 281           physic.enable_gravity(true);
 282           if(under_solid())
 283             {
 284               // fall down
 285               physic.set_velocity_y(0);
 286               jumped_in_solid = true;
 287               jumping = false;
 288             }
 289         }
 290       else
 291         {
 292           /* Land: */
 293           if (physic.get_velocity_y() < 0)
 294             {
 295               base.y = (int)(((int)base.y / 32) * 32);
 296               physic.set_velocity_y(0);
 297             }
 298
 299           physic.enable_gravity(false);
 300           /* Reset score multiplier (for multi-hits): */
 301           if (!invincible_timer.started())
 302             player_status.score_multiplier = 1;
 303         }
 304
 305       if(jumped_in_solid)
 306         {
 307           if (isbrick(base.x, base.y) ||
 308               isfullbox(base.x, base.y))
 309             {
 310               Sector::current()->trygrabdistro(
 311                   Vector(base.x, base.y - 32), BOUNCE);
 312               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 313
 314               Sector::current()->trybreakbrick(
 315                   Vector(base.x, base.y), size == SMALL);
 316
 317               bumpbrick(base.x, base.y);
 318               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 319             }
 320
 321           if (isbrick(base.x+ 31, base.y) ||
 322               isfullbox(base.x+ 31, base.y))
 323             {
 324               Sector::current()->trygrabdistro(
 325                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 326               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 327
 328               if(size == BIG)
 329                 Sector::current()->trybreakbrick(
 330                     Vector(base.x+ 31, base.y), size == SMALL);
 331
 332               bumpbrick(base.x+ 31, base.y);
 333               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 334             }
 335         }
 336
 337       grabdistros();
 338
 339       if (jumped_in_solid)
 340         {
 341           ++base.y;
 342           ++old_base.y;
 343           if(on_ground())
 344             {
 345               /* Make sure jumping is off. */
 346               jumping = false;
 347             }
 348         }
 349     }
 350
 351   /* ---- DONE HANDLING TUX! --- */
 352
 353   // check some timers
 354   skidding_timer.check();
 355   invincible_timer.check();
 356   safe_timer.check();
 357   kick_timer.check();
 358 }
 359
 360 bool
 361 Player::on_ground()
 362 {
 363   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 364            issolid(base.x + 1, base.y + base.height) ||
 365            issolid(base.x + base.width - 1, base.y + base.height));
 366 }
 367
 368 bool
 369 Player::under_solid()
 370 {
 371   return ( issolid(base.x + base.width / 2, base.y) ||
 372            issolid(base.x + 1, base.y) ||
 373            issolid(base.x + base.width - 1, base.y)  );
 374 }
 375
 376 bool
 377 Player::tiles_on_air(int tiles)
 378 {
 379   for(int t = 0; t != tiles; t++)
 380      {
 381      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 382          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 383          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 384        return false;
 385      }
 386   return true;
 387 }
 388
 389 void
 390 Player::handle_horizontal_input()
 391 {
 392   float vx = physic.get_velocity_x();
 393   float vy = physic.get_velocity_y();
 394   float ax = physic.get_acceleration_x();
 395   float ay = physic.get_acceleration_y();
 396
 397   float dirsign = 0;
 398   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 399       old_dir = dir;
 400       dir = LEFT;
 401       dirsign = -1;
 402   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 403       old_dir = dir;
 404       dir = RIGHT;
 405       dirsign = 1;
 406   }
 407
 408   if (input.fire == UP) {
 409       ax = dirsign * WALK_ACCELERATION_X;
 410       // limit speed
 411       if(vx >= MAX_WALK_XM && dirsign > 0) {
 412         vx = MAX_WALK_XM;
 413         ax = 0;
 414       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 415         vx = -MAX_WALK_XM;
 416         ax = 0;
 417       }
 418   } else {
 419       ax = dirsign * RUN_ACCELERATION_X;
 420       // limit speed
 421       if(vx >= MAX_RUN_XM && dirsign > 0) {
 422         vx = MAX_RUN_XM;
 423         ax = 0;
 424       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 425         vx = -MAX_RUN_XM;
 426         ax = 0;
 427       }
 428   }
 429
 430   // we can reach WALK_SPEED without any acceleration
 431   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 432     vx = dirsign * WALK_SPEED;
 433   }
 434
 435   // changing directions?
 436   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 437       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 438           skidding_timer.start(SKID_TIME);
 439           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 440           ax *= 2.5;
 441       } else {
 442           ax *= 2;
 443       }
 444   }
 445
 446   // we get slower when not pressing any keys
 447   if(dirsign == 0) {
 448       if(fabs(vx) < WALK_SPEED) {
 449           vx = 0;
 450           ax = 0;
 451       } else if(vx < 0) {
 452           ax = WALK_ACCELERATION_X * 1.5;
 453       } else {
 454           ax = WALK_ACCELERATION_X * -1.5;
 455       }
 456   }
 457
 458   // if we're on ice slow down acceleration or deceleration
 459   if (isice(base.x, base.y + base.height))
 460   {
 461     /* the acceleration/deceleration rate on ice is inversely proportional to
 462      * the current velocity.
 463      */
 464
 465     // increasing 1 will increase acceleration/deceleration rate
 466     // decreasing 1 will decrease acceleration/deceleration rate
 467     //  must stay above zero, though
 468     if (ax != 0) ax *= 1 / fabs(vx);
 469   }
 470
 471   physic.set_velocity(vx, vy);
 472   physic.set_acceleration(ax, ay);
 473 }
 474
 475 void
 476 Player::handle_vertical_input()
 477 {
 478   // set fall mode...
 479   if(on_ground()) {
 480     fall_mode = ON_GROUND;
 481     last_ground_y = base.y;
 482   } else {
 483     if(base.y > last_ground_y)
 484       fall_mode = FALLING;
 485     else if(fall_mode == ON_GROUND)
 486       fall_mode = JUMPING;
 487   }
 488
 489   // Press jump key
 490   if(input.up == DOWN && can_jump && on_ground())
 491     {
 492       if(duck) { // only jump a little bit when in duck mode {
 493         physic.set_velocity_y(3);
 494       } else {
 495         // jump higher if we are running
 496         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 497           physic.set_velocity_y(5.8);
 498         else
 499           physic.set_velocity_y(5.2);
 500       }
 501
 502       --base.y;
 503       jumping = true;
 504       can_jump = false;
 505       if (size == SMALL)
 506         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 507       else
 508         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 509     }
 510   // Let go of jump key
 511   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 512     {
 513       jumping = false;
 514       physic.set_velocity_y(0);
 515     }
 516
 517    /* In case the player has pressed Down while in a certain range of air,
 518       enable butt jump action */
 519   if (input.down == DOWN && !butt_jump && !duck)
 520     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 521       butt_jump = true;
 522
 523    /* When Down is not held anymore, disable butt jump */
 524   if(butt_jump && input.down == UP)
 525     butt_jump = false;
 526
 527   // Do butt jump
 528   if (butt_jump && on_ground() && size == BIG)
 529   {
 530     // Add a smoke cloud
 531     if (duck)
 532       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 533     else
 534       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 535
 536     butt_jump = false;
 537
 538     // Break bricks beneath Tux
 539     if(Sector::current()->trybreakbrick(
 540           Vector(base.x + 1, base.y + base.height), false)
 541         || Sector::current()->trybreakbrick(
 542            Vector(base.x + base.width - 1, base.y + base.height), false))
 543     {
 544       physic.set_velocity_y(2);
 545       butt_jump = true;
 546     }
 547
 548     // Kill nearby badguys
 549     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 550     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 551          i != gameobjects.end();
 552          i++)
 553     {
 554       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 555       if(badguy)
 556       {
 557
 558         if (fabsf(base.x - badguy->base.x) < 150 &&
 559             fabsf(base.y - badguy->base.y) < 60 &&
 560             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 561               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 562           badguy->kill_me(25);
 563       }
 564     }
 565   }
 566
 567   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 568         issolid(base.x + 1, base.y + base.height + 64) ||
 569         issolid(base.x + base.width - 1, base.y + base.height + 64))
 570        && jumping  == false
 571        && can_jump == false
 572        && input.up == DOWN
 573        && input.old_up == UP)
 574     {
 575       can_jump = true;
 576     }
 577
 578   if(on_ground())   /* Make sure jumping is off. */
 579     jumping = false;
 580
 581   input.old_up = input.up;
 582 }
 583
 584 void
 585 Player::handle_input()
 586 {
 587   /* Handle horizontal movement: */
 588     handle_horizontal_input();
 589
 590   /* Jump/jumping? */
 591
 592   if (on_ground() && input.up == UP)
 593     can_jump = true;
 594   handle_vertical_input();
 595
 596   /* Shoot! */
 597   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 598     {
 599       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 600           physic.get_velocity_x(), dir))
 601         shooting_timer.start(SHOOTING_TIME);
 602       input.old_fire = DOWN;
 603     }
 604
 605   /* tux animations: */
 606   if(!frame_timer.check())
 607     {
 608       frame_timer.start(25);
 609       if (input.right == UP && input.left == UP)
 610         {
 611           frame_main = 1;
 612           frame_ = 1;
 613         }
 614       else
 615         {
 616           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 617               (global_frame_counter % 4) == 0)
 618             frame_main = (frame_main + 1) % 4;
 619
 620           frame_ = frame_main;
 621
 622           if (frame_ == 3)
 623             frame_ = 1;
 624         }
 625     }
 626
 627   /* Duck! */
 628   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 629     {
 630       duck = true;
 631       base.height = 32;
 632       base.y += 32;
 633       // changing base size confuses collision otherwise
 634       old_base = previous_base = base;
 635     }
 636   else if(input.down == UP && size == BIG && duck)
 637     {
 638       // try if we can really unduck
 639       base.y -= 32;
 640       base.height = 64;
 641       // when unducking in air we need some space to do so
 642       if(on_ground() || !collision_object_map(base)) {
 643         duck = false;
 644         // changing base size confuses collision otherwise
 645         old_base = previous_base = base;
 646       } else {
 647         // undo the ducking changes
 648         base.y += 32;
 649         base.height = 32;
 650       }
 651     }
 652 }
 653
 654 void
 655 Player::grow(bool animate)
 656 {
 657   if(size == BIG)
 658     return;
 659
 660   size = BIG;
 661   base.height = 64;
 662   base.y -= 32;
 663
 664   if(animate)
 665     growing_timer.start(GROWING_TIME);
 666
 667   old_base = previous_base = base;
 668 }
 669
 670 void
 671 Player::grabdistros()
 672 {
 673   /* Grab distros: */
 674   if (!dying)
 675     {
 676       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 677       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 678       Sector::current()->trygrabdistro(
 679           Vector(base.x, base.y + base.height), NO_BOUNCE);
 680       Sector::current()->trygrabdistro(
 681           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 682
 683       if(size == BIG)
 684         {
 685           Sector::current()->trygrabdistro(
 686               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 687           Sector::current()->trygrabdistro(
 688               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 689         }
 690
 691     }
 692
 693   /* Enough distros for a One-up? */
 694   if (player_status.distros >= DISTROS_LIFEUP)
 695     {
 696       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 697       if(player_status.lives < MAX_LIVES)
 698         ++player_status.lives;
 699       /*We want to hear the sound even, if MAX_LIVES is reached*/
 700       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 701     }
 702 }
 703
 704 void
 705 Player::draw(DrawingContext& context)
 706 {
 707   TuxBodyParts* tux_body;
 708
 709   if (size == SMALL)
 710     tux_body = small_tux;
 711   else if (got_power == FIRE_POWER)
 712     tux_body = fire_tux;
 713   else if (got_power == ICE_POWER)
 714     tux_body = ice_tux;
 715   else
 716     tux_body = big_tux;
 717
 718   int layer = LAYER_OBJECTS - 1;
 719   Vector pos = Vector(base.x, base.y);
 720
 721   if ((!safe_timer.started() || growing_timer.started()) || (global_frame_counter % 2) == 0)
 722     {
 723       if (dying == DYING_SQUISHED)
 724         {
 725           smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 726         }
 727       else
 728         {
 729           if(growing_timer.check())
 730             {
 731               if(size == SMALL)
 732                 {
 733                 if (dir == RIGHT)
 734                   context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 735                           ((growing_timer.get_gone() *
 736                           GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 737                 else
 738                   context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 739                           ((growing_timer.get_gone() *
 740                           GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 741                 }
 742               else
 743                 {
 744                 if (dir == RIGHT)
 745                   context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 746                           GROWING_FRAMES) / GROWING_TIME], pos, layer);
 747                 else
 748                   context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 749                                        GROWING_FRAMES) / GROWING_TIME], pos, layer);
 750                 }
 751             }
 752           else if (duck && size != SMALL)
 753             {
 754               if (dir == RIGHT)
 755                 tux_body->set_action("duck-right");
 756               else
 757                 tux_body->set_action("duck-left");
 758             }
 759
 760           else if (skidding_timer.started())
 761             {
 762               if (dir == RIGHT)
 763                 tux_body->set_action("skid-right");
 764               else
 765                 tux_body->set_action("skid-left");
 766             }
 767           else if (kick_timer.started())
 768             {
 769               if (dir == RIGHT)
 770                 tux_body->set_action("kick-right");
 771               else
 772                 tux_body->set_action("kick-left");
 773             }
 774           else if (physic.get_velocity_y() != 0)
 775             {
 776               if (dir == RIGHT)
 777                 tux_body->set_action("jump-right");
 778               else
 779                 tux_body->set_action("jump-left");
 780             }
 781           else
 782             {
 783               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 784                 {
 785                   if (dir == RIGHT)
 786                     tux_body->set_action("stand-right");
 787                   else
 788                     tux_body->set_action("stand-left");
 789                 }
 790               else // moving
 791                 {
 792                   if (dir == RIGHT)
 793                     tux_body->set_action("walk-right");
 794                   else
 795                     tux_body->set_action("walk-left");
 796                 }
 797             }
 798         }
 799     }
 800
 801   // Tux is holding something
 802   if ((holding_something && physic.get_velocity_y() == 0) ||
 803       shooting_timer.check() && !duck)
 804     {
 805     if (dir == RIGHT)
 806       tux_body->arms->set_action("grab-right");
 807     else
 808       tux_body->arms->set_action("grab-left");
 809     }
 810
 811   if(dying != DYING_SQUISHED && !growing_timer.check())
 812     tux_body->draw(context, pos, layer);
 813
 814   // Draw blinking star overlay
 815   if (invincible_timer.started() &&
 816       (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 817   {
 818     if (size == SMALL || duck)
 819       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 820     else
 821       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
 822   }
 823
 824   if (debug_mode)
 825     context.draw_filled_rect(Vector(base.x, base.y),
 826         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 827 }
 828
 829 void
 830 Player::collision(const MovingObject& other, int collision_type)
 831 {
 832   (void) other;
 833   (void) collision_type;
 834   // will be implemented later
 835 }
 836
 837 void
 838 Player::collision(void* p_c_object, int c_object)
 839 {
 840   BadGuy* pbad_c = NULL;
 841   Trampoline* ptramp_c = NULL;
 842   FlyingPlatform* pplatform_c = NULL;
 843
 844   switch (c_object)
 845     {
 846     case CO_BADGUY:
 847       pbad_c = (BadGuy*) p_c_object;
 848
 849      /* Hurt player if he touches a badguy */
 850       if (!pbad_c->dying && !dying &&
 851           !safe_timer.started() &&
 852           pbad_c->mode != BadGuy::HELD)
 853         {
 854           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 855                && !holding_something)
 856             {
 857               holding_something = true;
 858               pbad_c->mode = BadGuy::HELD;
 859               pbad_c->base.y-=8;
 860             }
 861           else if (pbad_c->mode == BadGuy::FLAT)
 862             {
 863               // Don't get hurt if we're kicking a flat badguy!
 864             }
 865           else if (pbad_c->mode == BadGuy::KICK)
 866             {
 867               /* Hurt if you get hit by kicked laptop: */
 868               if (!invincible_timer.started())
 869                 {
 870                   kill(SHRINK);
 871                 }
 872               else
 873                 pbad_c->kill_me(20);
 874             }
 875           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 876               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 877               || pbad_c->kind == BAD_SPIKY))
 878                 pbad_c->kill_me(20);
 879           else
 880             {
 881               if (!invincible_timer.started())
 882                 {
 883                   kill(SHRINK);
 884                 }
 885               else
 886                 {
 887                   pbad_c->kill_me(25);
 888                 }
 889             }
 890           player_status.score_multiplier++;
 891         }
 892       break;
 893
 894     case CO_TRAMPOLINE:
 895       ptramp_c = (Trampoline*) p_c_object;
 896
 897       // Pick up trampoline
 898       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 899       {
 900         holding_something = true;
 901         ptramp_c->mode = Trampoline::M_HELD;
 902         ptramp_c->base.y -= 8;
 903       }
 904       // Set down trampoline
 905       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 906       {
 907         holding_something = false;
 908         ptramp_c->mode = Trampoline::M_NORMAL;
 909         ptramp_c->base.y += 8;
 910         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 911
 912         //if (dir == RIGHT)
 913         //  ptramp_c->base.x = base.x + base.width+1;
 914         //else /* LEFT */
 915         //  ptramp_c->base.x = base.x - base.width-1;
 916       }
 917 /*
 918       // Don't let tux walk through trampoline
 919       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 920       {
 921         if (physic.get_velocity_x() > 0) // RIGHT
 922         {
 923           physic.set_velocity_x(0);
 924           base.x = ptramp_c->base.x - base.width;
 925         }
 926         else if (physic.get_velocity_x() < 0) // LEFT
 927         {
 928           physic.set_velocity_x(0);
 929           base.x = ptramp_c->base.x + ptramp_c->base.width;
 930         }
 931       }
 932 */
 933       break;
 934     case CO_FLYING_PLATFORM:
 935       pplatform_c = (FlyingPlatform*) p_c_object;
 936
 937       base.y = pplatform_c->base.y - base.height;
 938       physic.set_velocity_x(pplatform_c->get_vel_x());
 939
 940       physic.enable_gravity(false);
 941       can_jump = true;
 942       fall_mode = ON_GROUND;
 943       break;
 944
 945     default:
 946       break;
 947     }
 948
 949 }
 950
 951 /* Kill Player! */
 952
 953 void
 954 Player::kill(HurtMode mode)
 955 {
 956   if(dying)
 957     return;
 958
 959   SoundManager::get()->play_sound(IDToSound(SND_HURT));
 960
 961   physic.set_velocity_x(0);
 962
 963   if (mode == SHRINK && size == BIG)
 964     {
 965       if (got_power != NONE_POWER)
 966         {
 967           safe_timer.start(TUX_SAFE_TIME);
 968           got_power = NONE_POWER;
 969         }
 970       else
 971         {
 972           growing_timer.start(GROWING_TIME);
 973           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
 974           size = SMALL;
 975           base.height = 32;
 976           duck = false;
 977         }
 978     }
 979   else
 980     {
 981       physic.enable_gravity(true);
 982       physic.set_acceleration(0, 0);
 983       physic.set_velocity(0, 7);
 984       --player_status.lives;
 985       dying = DYING_SQUISHED;
 986       dying_timer.start(3000);
 987     }
 988 }
 989
 990 /* Remove Tux's power ups */
 991 void
 992 Player::remove_powerups()
 993 {
 994   got_power = NONE_POWER;
 995   size = SMALL;
 996   base.height = 32;
 997 }
 998
 999 void
1000 Player::move(const Vector& vector)
1001 {
1002   base.x = vector.x;
1003   base.y = vector.y;
1004   old_base = previous_base = base;
1005 }
1006
1007 void
1008 Player::check_bounds(Camera* camera)
1009 {
1010   /* Keep tux in bounds: */
1011   if (base.x < 0)
1012     { // Lock Tux to the size of the level, so that he doesn't fall of
1013       // on the left side
1014       base.x = 0;
1015     }
1016
1017   /* Keep in-bounds, vertically: */
1018   if (base.y > Sector::current()->solids->get_height() * 32)
1019     {
1020       kill(KILL);
1021       return;
1022     }
1023
1024   bool adjust = false;
1025   // can happen if back scrolling is disabled
1026   if(base.x < camera->get_translation().x) {
1027     base.x = camera->get_translation().x;
1028     adjust = true;
1029   }
1030   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1031     base.x = camera->get_translation().x + screen->w - base.width;
1032     adjust = true;
1033   }
1034
1035   if(adjust) {
1036     // squished now?
1037     if(collision_object_map(base)) {
1038       kill(KILL);
1039       return;
1040     }
1041   }
1042 }
1043
1044 void
1045 Player::bounce(BadGuy* badguy)
1046 {
1047   if (input.up)
1048     physic.set_velocity_y(5.2);
1049   else
1050     physic.set_velocity_y(2);
1051
1052   // Move the player a little bit above the badguy to avoid collision
1053   // between badguy and player directly after the bounce has happend
1054   base.y = badguy->base.y - base.height - 2;
1055 }
1056
1057 /* EOF */
1058