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 #include "statistics.h"
  39
  40 // behavior definitions:
  41 #define TILES_FOR_BUTTJUMP 3
  42 // animation times (in ms):
  43 #define SHOOTING_TIME 320
  44 // others stuff:
  45 #define AUTOSCROLL_DEAD_INTERVAL 300
  46
  47 // time before idle animation starts
  48 #define IDLE_TIME 2500
  49
  50 // growing animation
  51 Surface* growingtux_left[GROWING_FRAMES];
  52 Surface* growingtux_right[GROWING_FRAMES];
  53
  54 Surface* tux_life;
  55
  56 Sprite* smalltux_gameover;
  57 Sprite* smalltux_star;
  58 Sprite* bigtux_star;
  59
  60 TuxBodyParts* small_tux;
  61 TuxBodyParts* big_tux;
  62 TuxBodyParts* fire_tux;
  63 TuxBodyParts* ice_tux;
  64
  65 PlayerKeymap keymap;
  66
  67 PlayerKeymap::PlayerKeymap()
  68 {
  69   keymap.jump  = SDLK_SPACE;
  70   keymap.activate = SDLK_UP;
  71   keymap.duck  = SDLK_DOWN;
  72   keymap.left  = SDLK_LEFT;
  73   keymap.right = SDLK_RIGHT;
  74   keymap.fire  = SDLK_LCTRL;
  75 }
  76
  77 void player_input_init(player_input_type* pplayer_input)
  78 {
  79   pplayer_input->down = UP;
  80   pplayer_input->fire = UP;
  81   pplayer_input->left = UP;
  82   pplayer_input->old_fire = UP;
  83   pplayer_input->right = UP;
  84   pplayer_input->up = UP;
  85   pplayer_input->old_up = UP;
  86   pplayer_input->activate = UP;
  87 }
  88
  89 void
  90 TuxBodyParts::set_action(std::string action)
  91 {
  92   if(head != NULL)
  93     head->set_action(action);
  94   if(body != NULL)
  95     body->set_action(action);
  96   if(arms != NULL)
  97     arms->set_action(action);
  98   if(feet != NULL)
  99     feet->set_action(action);
 100 }
 101
 102 void
 103 TuxBodyParts::one_time_animation()
 104 {
 105   if(head != NULL)
 106     head->start_animation(1);
 107   if(body != NULL)
 108     body->start_animation(1);
 109   if(arms != NULL)
 110     arms->start_animation(1);
 111   if(feet != NULL)
 112     feet->start_animation(1);
 113 }
 114
 115 void
 116 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer,
 117                   Uint32 drawing_effect)
 118 {
 119   if(head != NULL)
 120     head->draw(context, pos, layer-1, drawing_effect);
 121   if(body != NULL)
 122     body->draw(context, pos, layer-3, drawing_effect);
 123   if(arms != NULL)
 124     arms->draw(context, pos, layer,   drawing_effect);
 125   if(feet != NULL)
 126     feet->draw(context, pos, layer-2, drawing_effect);
 127 }
 128
 129 Player::Player()
 130 {
 131   init();
 132 }
 133
 134 Player::~Player()
 135 {
 136 }
 137
 138 void
 139 Player::init()
 140 {
 141   holding_something = false;
 142
 143   base.width = 32;
 144   base.height = 32;
 145
 146   size = SMALL;
 147   got_power = NONE_POWER;
 148
 149   base.x = 0;
 150   base.y = 0;
 151   previous_base = old_base = base;
 152   dir = RIGHT;
 153   old_dir = dir;
 154   duck = false;
 155   dead = false;
 156
 157   dying   = DYING_NOT;
 158   last_ground_y = 0;
 159   fall_mode = ON_GROUND;
 160   jumping = false;
 161   flapping = false;
 162   can_jump = true;
 163   can_flap = false;
 164   enable_hover = false;
 165   butt_jump = false;
 166
 167   frame_main = 0;
 168   frame_ = 0;
 169
 170   player_input_init(&input);
 171
 172   invincible_timer.init(true);
 173   skidding_timer.init(true);
 174   safe_timer.init(true);
 175   frame_timer.init(true);
 176   kick_timer.init(true);
 177   shooting_timer.init(true);
 178   growing_timer.init(true);
 179   idle_timer.init(true);
 180   flapping_timer.init(true);
 181
 182   physic.reset();
 183 }
 184
 185 int
 186 Player::key_event(SDLKey key, int state)
 187 {
 188   idle_timer.start(IDLE_TIME);
 189
 190   if(key == keymap.right)
 191     {
 192       input.right = state;
 193       return true;
 194     }
 195   else if(key == keymap.left)
 196     {
 197       input.left = state;
 198       return true;
 199     }
 200   else if(key == keymap.jump)
 201     {
 202       input.up = state;
 203       return true;
 204     }
 205   else if(key == keymap.duck)
 206     {
 207       input.down = state;
 208       return true;
 209     }
 210   else if(key == keymap.fire)
 211     {
 212       if (state == UP)
 213         input.old_fire = UP;
 214       input.fire = state;
 215       return true;
 216     }
 217   else if(key == keymap.activate)
 218     {
 219       input.activate = state;
 220
 221       if(state == DOWN) {
 222         /** check for interactive objects */
 223         for(Sector::InteractiveObjects::iterator i
 224             = Sector::current()->interactive_objects.begin();
 225             i != Sector::current()->interactive_objects.end(); ++i) {
 226           if(rectcollision(base, (*i)->get_area())) {
 227             (*i)->interaction(INTERACTION_ACTIVATE);
 228           }
 229         }
 230       }
 231
 232       return true;
 233     }
 234   else
 235     return false;
 236 }
 237
 238 void
 239 Player::level_begin()
 240 {
 241   base.x  = 100;
 242   base.y  = 170;
 243   previous_base = old_base = base;
 244   duck = false;
 245
 246   dying = DYING_NOT;
 247
 248   player_input_init(&input);
 249
 250   invincible_timer.init(true);
 251   skidding_timer.init(true);
 252   safe_timer.init(true);
 253   frame_timer.init(true);
 254   growing_timer.init(true);
 255   idle_timer.init(true);
 256
 257   physic.reset();
 258 }
 259
 260 void
 261 Player::action(float elapsed_time)
 262 {
 263   bool jumped_in_solid = false;
 264
 265   if(dying && !dying_timer.check()) {
 266     dead = true;
 267     return;
 268   }
 269
 270   if (input.fire == UP)
 271     holding_something = false;
 272
 273   /* Move tux: */
 274   previous_base = base;
 275
 276   /* --- HANDLE TUX! --- */
 277   if(dying == DYING_NOT)
 278     handle_input();
 279
 280   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 281
 282   if(dying == DYING_NOT)
 283     {
 284       base_type target = base;
 285
 286       collision_swept_object_map(&old_base, &base);
 287
 288       if ((!invincible_timer.started() && !safe_timer.started())
 289           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 290           ||  isspike(base.x, base.y + base.height)
 291           ||  isspike(base.x + base.width, base.y + base.height)))
 292       {
 293          kill(SHRINK);
 294       }
 295
 296       // Don't accelerate Tux if he is running against a wall
 297       if (target.x != base.x)
 298         {
 299           physic.set_velocity_x(0);
 300         }
 301
 302       // special exception for cases where we're stuck under tiles after
 303       // being ducked. In this case we drift out
 304       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 305          && collision_object_map(base))
 306         {
 307           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 308           previous_base = old_base = base;
 309         }
 310
 311       // Land:
 312       if (!on_ground())
 313         {
 314           physic.enable_gravity(true);
 315           if(under_solid())
 316             {
 317               // fall down
 318               physic.set_velocity_y(0);
 319               jumped_in_solid = true;
 320               jumping = false;
 321             }
 322         }
 323       else
 324         {
 325           /* Land: */
 326           if (physic.get_velocity_y() < 0)
 327             {
 328               base.y = (int)(((int)base.y / 32) * 32);
 329               physic.set_velocity_y(0);
 330             }
 331
 332           physic.enable_gravity(false);
 333           /* Reset score multiplier (for multi-hits): */
 334           if (!invincible_timer.started())
 335             player_status.score_multiplier = 1;
 336         }
 337
 338       if(jumped_in_solid)
 339         {
 340           if (isbrick(base.x, base.y) ||
 341               isfullbox(base.x, base.y))
 342             {
 343               Sector::current()->trygrabdistro(
 344                   Vector(base.x, base.y - 32), BOUNCE);
 345               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 346
 347               Sector::current()->trybreakbrick(
 348                   Vector(base.x, base.y), size == SMALL);
 349
 350               bumpbrick(base.x, base.y);
 351               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 352             }
 353
 354           if (isbrick(base.x+ 31, base.y) ||
 355               isfullbox(base.x+ 31, base.y))
 356             {
 357               Sector::current()->trygrabdistro(
 358                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 359               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 360
 361               if(size == BIG)
 362                 Sector::current()->trybreakbrick(
 363                     Vector(base.x+ 31, base.y), size == SMALL);
 364
 365               bumpbrick(base.x+ 31, base.y);
 366               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 367             }
 368         }
 369
 370       grabdistros();
 371
 372       if (jumped_in_solid)
 373         {
 374           ++base.y;
 375           ++old_base.y;
 376           if(on_ground())
 377             {
 378               /* Make sure jumping is off. */
 379               jumping = false;
 380             }
 381         }
 382     }
 383
 384   /* ---- DONE HANDLING TUX! --- */
 385
 386   // check some timers
 387   skidding_timer.check();
 388   invincible_timer.check();
 389   safe_timer.check();
 390   kick_timer.check();
 391 }
 392
 393 bool
 394 Player::on_ground()
 395 {
 396   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 397            issolid(base.x + 1, base.y + base.height) ||
 398            issolid(base.x + base.width - 1, base.y + base.height));
 399 }
 400
 401 bool
 402 Player::under_solid()
 403 {
 404   return ( issolid(base.x + base.width / 2, base.y) ||
 405            issolid(base.x + 1, base.y) ||
 406            issolid(base.x + base.width - 1, base.y)  );
 407 }
 408
 409 bool
 410 Player::tiles_on_air(int tiles)
 411 {
 412   for(int t = 0; t != tiles; t++)
 413      {
 414      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 415          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 416          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 417        return false;
 418      }
 419   return true;
 420 }
 421
 422 void
 423 Player::handle_horizontal_input()
 424 {
 425   float vx = physic.get_velocity_x();
 426   float vy = physic.get_velocity_y();
 427   float ax = physic.get_acceleration_x();
 428   float ay = physic.get_acceleration_y();
 429
 430   float dirsign = 0;
 431   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 432       old_dir = dir;
 433       dir = LEFT;
 434       dirsign = -1;
 435   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 436       old_dir = dir;
 437       dir = RIGHT;
 438       dirsign = 1;
 439   }
 440
 441   if (input.fire == UP) {
 442       ax = dirsign * WALK_ACCELERATION_X;
 443       // limit speed
 444       if(vx >= MAX_WALK_XM && dirsign > 0) {
 445         vx = MAX_WALK_XM;
 446         ax = 0;
 447       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 448         vx = -MAX_WALK_XM;
 449         ax = 0;
 450       }
 451   } else {
 452       ax = dirsign * RUN_ACCELERATION_X;
 453       // limit speed
 454       if(vx >= MAX_RUN_XM && dirsign > 0) {
 455         vx = MAX_RUN_XM;
 456         ax = 0;
 457       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 458         vx = -MAX_RUN_XM;
 459         ax = 0;
 460       }
 461   }
 462
 463   // we can reach WALK_SPEED without any acceleration
 464   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 465     vx = dirsign * WALK_SPEED;
 466   }
 467
 468   // changing directions?
 469   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 470       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 471           skidding_timer.start(SKID_TIME);
 472           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 473           ax *= 2.5;
 474       } else {
 475           ax *= 2;
 476       }
 477   }
 478
 479   // we get slower when not pressing any keys
 480   if(dirsign == 0) {
 481       if(fabs(vx) < WALK_SPEED) {
 482           vx = 0;
 483           ax = 0;
 484       } else if(vx < 0) {
 485           ax = WALK_ACCELERATION_X * 1.5;
 486       } else {
 487           ax = WALK_ACCELERATION_X * -1.5;
 488       }
 489   }
 490
 491   // if we're on ice slow down acceleration or deceleration
 492   if (isice(base.x, base.y + base.height))
 493   {
 494     /* the acceleration/deceleration rate on ice is inversely proportional to
 495      * the current velocity.
 496      */
 497
 498     // increasing 1 will increase acceleration/deceleration rate
 499     // decreasing 1 will decrease acceleration/deceleration rate
 500     //  must stay above zero, though
 501     if (ax != 0) ax *= 1 / fabs(vx);
 502   }
 503
 504   physic.set_velocity(vx, vy);
 505   physic.set_acceleration(ax, ay);
 506 }
 507
 508 void
 509 Player::handle_vertical_input()
 510 {
 511   // set fall mode...
 512   if(on_ground()) {
 513     fall_mode = ON_GROUND;
 514     last_ground_y = base.y;
 515   } else {
 516     if(base.y > last_ground_y)
 517       fall_mode = FALLING;
 518     else if(fall_mode == ON_GROUND)
 519       fall_mode = JUMPING;
 520   }
 521
 522   // Press jump key
 523   if(input.up == DOWN && can_jump && on_ground())
 524     {
 525       global_stats.add_points(JUMPS_STAT, 1);
 526
 527       if(duck) { // only jump a little bit when in duck mode {
 528         physic.set_velocity_y(3);
 529       } else {
 530         // jump higher if we are running
 531         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 532           physic.set_velocity_y(5.8);
 533         else
 534           physic.set_velocity_y(5.2);
 535       }
 536
 537       --base.y;
 538       jumping = true;
 539       flapping = false;
 540       can_jump = false;
 541       can_flap = false;
 542       if (size == SMALL)
 543         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 544       else
 545         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 546     }
 547   // Let go of jump key
 548   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 549     {
 550       if (!flapping && !duck)
 551          {
 552             can_flap = true;
 553          }
 554       jumping = false;
 555       physic.set_velocity_y(0);
 556     }
 557
 558    // Flapping
 559    if (input.up == DOWN && can_flap)
 560      {
 561          if (!flapping_timer.started()) {flapping_timer.start(TUX_FLAPPING_TIME);}
 562          if (!flapping_timer.check()) {can_flap = false;}
 563          jumping = true;
 564          flapping = true;
 565          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 566             {
 567                physic.set_velocity_y((float)flapping_timer.get_gone()/450);
 568             }
 569      }
 570
 571    // Hover
 572    //(disabled by default, use cheat code "hover" to toggle on/off)
 573    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 574    if (enable_hover && input.up == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 575       {
 576          physic.set_velocity_y(-1);
 577       }
 578
 579    /* In case the player has pressed Down while in a certain range of air,
 580       enable butt jump action */
 581   if (input.down == DOWN && !butt_jump && !duck)
 582     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 583       butt_jump = true;
 584
 585    /* When Down is not held anymore, disable butt jump */
 586   if(butt_jump && input.down == UP)
 587     butt_jump = false;
 588
 589   // Do butt jump
 590   if (butt_jump && on_ground() && size == BIG)
 591   {
 592     // Add a smoke cloud
 593     if (duck)
 594       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 595     else
 596       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 597
 598     butt_jump = false;
 599
 600     // Break bricks beneath Tux
 601     if(Sector::current()->trybreakbrick(
 602           Vector(base.x + 1, base.y + base.height), false)
 603         || Sector::current()->trybreakbrick(
 604            Vector(base.x + base.width - 1, base.y + base.height), false))
 605     {
 606       physic.set_velocity_y(2);
 607       butt_jump = true;
 608     }
 609
 610     // Kill nearby badguys
 611     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 612     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 613          i != gameobjects.end();
 614          i++)
 615     {
 616       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 617       if(badguy)
 618       {
 619
 620         if (fabsf(base.x - badguy->base.x) < 150 &&
 621             fabsf(base.y - badguy->base.y) < 60 &&
 622             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 623               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 624           badguy->kill_me(25);
 625       }
 626     }
 627   }
 628
 629   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 630         issolid(base.x + 1, base.y + base.height + 64) ||
 631         issolid(base.x + base.width - 1, base.y + base.height + 64))
 632        && jumping  == false
 633        && can_jump == false
 634        && input.up == DOWN
 635        && input.old_up == UP)
 636     {
 637       can_jump = true;
 638     }
 639
 640   if(on_ground())   /* Make sure jumping is off. */
 641     jumping = false;
 642
 643   input.old_up = input.up;
 644 }
 645
 646 void
 647 Player::handle_input()
 648 {
 649   /* Handle horizontal movement: */
 650     handle_horizontal_input();
 651
 652   /* Jump/jumping? */
 653
 654   if (on_ground() && input.up == UP)
 655     can_jump = true;
 656   handle_vertical_input();
 657
 658   /* Shoot! */
 659   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 660     {
 661       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 662           physic.get_velocity_x(), dir))
 663         shooting_timer.start(SHOOTING_TIME);
 664       input.old_fire = DOWN;
 665     }
 666
 667   /* tux animations: */
 668   if(!frame_timer.check())
 669     {
 670       frame_timer.start(25);
 671       if (input.right == UP && input.left == UP)
 672         {
 673           frame_main = 1;
 674           frame_ = 1;
 675         }
 676       else
 677         {
 678           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 679               (global_frame_counter % 4) == 0)
 680             frame_main = (frame_main + 1) % 4;
 681
 682           frame_ = frame_main;
 683
 684           if (frame_ == 3)
 685             frame_ = 1;
 686         }
 687     }
 688
 689   /* Duck! */
 690   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 691     {
 692       duck = true;
 693       base.height = 32;
 694       base.y += 32;
 695       // changing base size confuses collision otherwise
 696       old_base = previous_base = base;
 697     }
 698   else if(input.down == UP && size == BIG && duck)
 699     {
 700       // try if we can really unduck
 701       base.y -= 32;
 702       base.height = 64;
 703       // when unducking in air we need some space to do so
 704       if(on_ground() || !collision_object_map(base)) {
 705         duck = false;
 706         // changing base size confuses collision otherwise
 707         old_base = previous_base = base;
 708       } else {
 709         // undo the ducking changes
 710         base.y += 32;
 711         base.height = 32;
 712       }
 713     }
 714 }
 715
 716 void
 717 Player::grow(bool animate)
 718 {
 719   if(size == BIG)
 720     return;
 721
 722   size = BIG;
 723   base.height = 64;
 724   base.y -= 32;
 725
 726   if(animate)
 727     growing_timer.start(GROWING_TIME);
 728
 729   old_base = previous_base = base;
 730 }
 731
 732 void
 733 Player::grabdistros()
 734 {
 735   /* Grab distros: */
 736   if (!dying)
 737     {
 738       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 739       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 740       Sector::current()->trygrabdistro(
 741           Vector(base.x, base.y + base.height), NO_BOUNCE);
 742       Sector::current()->trygrabdistro(
 743           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 744
 745       if(size == BIG)
 746         {
 747           Sector::current()->trygrabdistro(
 748               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 749           Sector::current()->trygrabdistro(
 750               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 751         }
 752
 753     }
 754
 755   /* Enough distros for a One-up? */
 756   if (player_status.distros >= DISTROS_LIFEUP)
 757     {
 758       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 759       if(player_status.lives < MAX_LIVES)
 760         ++player_status.lives;
 761       /*We want to hear the sound even, if MAX_LIVES is reached*/
 762       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 763     }
 764 }
 765
 766 void
 767 Player::draw(DrawingContext& context)
 768 {
 769   TuxBodyParts* tux_body;
 770
 771   if (size == SMALL)
 772     tux_body = small_tux;
 773   else if (got_power == FIRE_POWER)
 774     tux_body = fire_tux;
 775   else if (got_power == ICE_POWER)
 776     tux_body = ice_tux;
 777   else
 778     tux_body = big_tux;
 779
 780   int layer = LAYER_OBJECTS - 1;
 781   Vector pos = Vector(base.x, base.y);
 782
 783   /* Set Tux sprite action */
 784   if (duck && size == BIG)
 785     {
 786     if(dir == LEFT)
 787       tux_body->set_action("duck-left");
 788     else // dir == RIGHT
 789       tux_body->set_action("duck-right");
 790     }
 791   else if (skidding_timer.started())
 792     {
 793     if(dir == LEFT)
 794       tux_body->set_action("skid-left");
 795     else // dir == RIGHT
 796       tux_body->set_action("skid-right");
 797     }
 798   else if (kick_timer.started())
 799     {
 800     if(dir == LEFT)
 801       tux_body->set_action("kick-left");
 802     else // dir == RIGHT
 803       tux_body->set_action("kick-right");
 804     }
 805   else if (butt_jump)
 806     {
 807     if(dir == LEFT)
 808       tux_body->set_action("buttjump-left");
 809     else // dir == RIGHT
 810       tux_body->set_action("buttjump-right");
 811     }
 812   else if (physic.get_velocity_y() != 0)
 813     {
 814     if(dir == LEFT)
 815       tux_body->set_action("jump-left");
 816     else // dir == RIGHT
 817       tux_body->set_action("jump-right");
 818     }
 819   else
 820     {
 821     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 822       {
 823       if(dir == LEFT)
 824         tux_body->set_action("stand-left");
 825       else // dir == RIGHT
 826         tux_body->set_action("stand-right");
 827       }
 828     else // moving
 829       {
 830       if(dir == LEFT)
 831         tux_body->set_action("walk-left");
 832       else // dir == RIGHT
 833         tux_body->set_action("walk-right");
 834       }
 835     }
 836
 837   if(idle_timer.get_left() < 0)
 838     {
 839     if(size == BIG)
 840       {
 841       if(dir == LEFT)
 842         tux_body->head->set_action("idle-left");
 843       else // dir == RIGHT
 844         tux_body->head->set_action("idle-right");
 845
 846       tux_body->head->start_animation(1);
 847       }
 848
 849     idle_timer.start(IDLE_TIME);
 850     }
 851
 852   // Tux is holding something
 853   if ((holding_something && physic.get_velocity_y() == 0) ||
 854       shooting_timer.check())
 855     {
 856     if (duck)
 857       {
 858       if(dir == LEFT)
 859         tux_body->arms->set_action("duck+grab-left");
 860       else // dir == RIGHT
 861         tux_body->arms->set_action("duck+grab-right");
 862       }
 863     else
 864       {
 865       if(dir == LEFT)
 866         tux_body->arms->set_action("grab-left");
 867       else // dir == RIGHT
 868         tux_body->arms->set_action("grab-right");
 869       }
 870     }
 871
 872   /* Draw Tux */
 873   if (dying == DYING_SQUISHED)
 874     {
 875     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 876     }
 877   else if(growing_timer.check())
 878     {
 879     if(size == SMALL)
 880       {
 881       if (dir == RIGHT)
 882         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 883                  ((growing_timer.get_gone() *
 884                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 885       else
 886         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 887                 ((growing_timer.get_gone() *
 888                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 889       }
 890     else
 891       {
 892       if (dir == RIGHT)
 893         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 894                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 895       else
 896         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 897                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 898       }
 899     }
 900   else if (safe_timer.started() && global_frame_counter%2)
 901     ;  // don't draw Tux
 902   else
 903     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 904
 905   // Draw blinking star overlay
 906   if (invincible_timer.started() &&
 907      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
 908      && !dying)
 909   {
 910     if (size == SMALL || duck)
 911       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 912     else
 913       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
 914   }
 915
 916   if (debug_mode)
 917     context.draw_filled_rect(Vector(base.x, base.y),
 918         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 919 }
 920
 921 void
 922 Player::collision(const MovingObject& other, int collision_type)
 923 {
 924   (void) other;
 925   (void) collision_type;
 926   // will be implemented later
 927 }
 928
 929 void
 930 Player::collision(void* p_c_object, int c_object)
 931 {
 932   BadGuy* pbad_c = NULL;
 933   Trampoline* ptramp_c = NULL;
 934   FlyingPlatform* pplatform_c = NULL;
 935
 936   switch (c_object)
 937     {
 938     case CO_BADGUY:
 939       pbad_c = (BadGuy*) p_c_object;
 940
 941      /* Hurt player if he touches a badguy */
 942       if (!pbad_c->dying && !dying &&
 943           !safe_timer.started() &&
 944           pbad_c->mode != BadGuy::HELD)
 945         {
 946           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 947                && !holding_something)
 948             {
 949               holding_something = true;
 950               pbad_c->mode = BadGuy::HELD;
 951               pbad_c->base.y-=8;
 952             }
 953           else if (pbad_c->mode == BadGuy::FLAT)
 954             {
 955               // Don't get hurt if we're kicking a flat badguy!
 956             }
 957           else if (pbad_c->mode == BadGuy::KICK)
 958             {
 959               /* Hurt if you get hit by kicked laptop: */
 960               if (!invincible_timer.started())
 961                 {
 962                   kill(SHRINK);
 963                 }
 964               else
 965                 pbad_c->kill_me(20);
 966             }
 967           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 968               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 969               || pbad_c->kind == BAD_SPIKY))
 970                 pbad_c->kill_me(20);
 971           else
 972             {
 973               if (!invincible_timer.started())
 974                 {
 975                   kill(SHRINK);
 976                 }
 977               else
 978                 {
 979                   pbad_c->kill_me(25);
 980                 }
 981             }
 982           player_status.score_multiplier++;
 983         }
 984       break;
 985
 986     case CO_TRAMPOLINE:
 987       ptramp_c = (Trampoline*) p_c_object;
 988
 989       // Pick up trampoline
 990       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 991       {
 992         holding_something = true;
 993         ptramp_c->mode = Trampoline::M_HELD;
 994         ptramp_c->base.y -= 8;
 995       }
 996       // Set down trampoline
 997       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 998       {
 999         holding_something = false;
1000         ptramp_c->mode = Trampoline::M_NORMAL;
1001         ptramp_c->base.y += 8;
1002         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1003
1004         //if (dir == RIGHT)
1005         //  ptramp_c->base.x = base.x + base.width+1;
1006         //else /* LEFT */
1007         //  ptramp_c->base.x = base.x - base.width-1;
1008       }
1009 /*
1010       // Don't let tux walk through trampoline
1011       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1012       {
1013         if (physic.get_velocity_x() > 0) // RIGHT
1014         {
1015           physic.set_velocity_x(0);
1016           base.x = ptramp_c->base.x - base.width;
1017         }
1018         else if (physic.get_velocity_x() < 0) // LEFT
1019         {
1020           physic.set_velocity_x(0);
1021           base.x = ptramp_c->base.x + ptramp_c->base.width;
1022         }
1023       }
1024 */
1025       break;
1026     case CO_FLYING_PLATFORM:
1027       pplatform_c = (FlyingPlatform*) p_c_object;
1028
1029       base.y = pplatform_c->base.y - base.height;
1030       physic.set_velocity_x(pplatform_c->get_vel_x());
1031
1032       physic.enable_gravity(false);
1033       can_jump = true;
1034       fall_mode = ON_GROUND;
1035       break;
1036
1037     default:
1038       break;
1039     }
1040
1041 }
1042
1043 /* Kill Player! */
1044
1045 void
1046 Player::kill(HurtMode mode)
1047 {
1048   if(dying)
1049     return;
1050
1051   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1052
1053   physic.set_velocity_x(0);
1054
1055   if (mode == SHRINK && size == BIG)
1056     {
1057       if (got_power != NONE_POWER)
1058         {
1059           safe_timer.start(TUX_SAFE_TIME);
1060           got_power = NONE_POWER;
1061         }
1062       else
1063         {
1064           growing_timer.start(GROWING_TIME);
1065           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1066           size = SMALL;
1067           base.height = 32;
1068           duck = false;
1069         }
1070     }
1071   else
1072     {
1073       physic.enable_gravity(true);
1074       physic.set_acceleration(0, 0);
1075       physic.set_velocity(0, 7);
1076       --player_status.lives;
1077       dying = DYING_SQUISHED;
1078       dying_timer.start(3000);
1079     }
1080 }
1081
1082 /* Remove Tux's power ups */
1083 void
1084 Player::remove_powerups()
1085 {
1086   got_power = NONE_POWER;
1087   size = SMALL;
1088   base.height = 32;
1089 }
1090
1091 void
1092 Player::move(const Vector& vector)
1093 {
1094   base.x = vector.x;
1095   base.y = vector.y;
1096   old_base = previous_base = base;
1097 }
1098
1099 void
1100 Player::check_bounds(Camera* camera)
1101 {
1102   /* Keep tux in bounds: */
1103   if (base.x < 0)
1104     { // Lock Tux to the size of the level, so that he doesn't fall of
1105       // on the left side
1106       base.x = 0;
1107     }
1108
1109   /* Keep in-bounds, vertically: */
1110   if (base.y > Sector::current()->solids->get_height() * 32)
1111     {
1112       kill(KILL);
1113       return;
1114     }
1115
1116   bool adjust = false;
1117   // can happen if back scrolling is disabled
1118   if(base.x < camera->get_translation().x) {
1119     base.x = camera->get_translation().x;
1120     adjust = true;
1121   }
1122   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1123     base.x = camera->get_translation().x + screen->w - base.width;
1124     adjust = true;
1125   }
1126
1127   if(adjust) {
1128     // squished now?
1129     if(collision_object_map(base)) {
1130       kill(KILL);
1131       return;
1132     }
1133   }
1134 }
1135
1136 void
1137 Player::bounce(BadGuy* badguy)
1138 {
1139   if (input.up)
1140     physic.set_velocity_y(5.2);
1141   else
1142     physic.set_velocity_y(2);
1143
1144   // Move the player a little bit above the badguy to avoid collision
1145   // between badguy and player directly after the bounce has happend
1146   base.y = badguy->base.y - base.height - 2;
1147 }
1148
1149 /* EOF */
1150