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 "app/globals.h"
  25 #include "player.h"
  26 #include "defines.h"
  27 #include "scene.h"
  28 #include "tile.h"
  29 #include "special/sprite.h"
  30 #include "sector.h"
  31 #include "tilemap.h"
  32 #include "camera.h"
  33 #include "gameobjs.h"
  34 #include "resources.h"
  35 #include "interactive_object.h"
  36 #include "video/screen.h"
  37 #include "statistics.h"
  38 #include "gameloop.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   falling_from_flap = false;
 165   enable_hover = false;
 166   butt_jump = false;
 167
 168   frame_main = 0;
 169   frame_ = 0;
 170
 171   player_input_init(&input);
 172
 173   invincible_timer.init(true);
 174   skidding_timer.init(true);
 175   safe_timer.init(true);
 176   frame_timer.init(true);
 177   kick_timer.init(true);
 178   shooting_timer.init(true);
 179   growing_timer.init(true);
 180   idle_timer.init(true);
 181   flapping_timer.init(true);
 182
 183   physic.reset();
 184 }
 185
 186 int
 187 Player::key_event(SDLKey key, int state)
 188 {
 189   idle_timer.start(IDLE_TIME);
 190
 191   if(key == keymap.right)
 192     {
 193       input.right = state;
 194       return true;
 195     }
 196   else if(key == keymap.left)
 197     {
 198       input.left = state;
 199       return true;
 200     }
 201   else if(key == keymap.jump)
 202     {
 203       input.up = state;
 204       return true;
 205     }
 206   else if(key == keymap.duck)
 207     {
 208       input.down = state;
 209       return true;
 210     }
 211   else if(key == keymap.fire)
 212     {
 213       if (state == UP)
 214         input.old_fire = UP;
 215       input.fire = state;
 216       return true;
 217     }
 218   else if(key == keymap.activate)
 219     {
 220       input.activate = state;
 221
 222       if(state == DOWN) {
 223         /** check for interactive objects */
 224         for(Sector::InteractiveObjects::iterator i
 225             = Sector::current()->interactive_objects.begin();
 226             i != Sector::current()->interactive_objects.end(); ++i) {
 227           if(rectcollision(base, (*i)->get_area())) {
 228             (*i)->interaction(INTERACTION_ACTIVATE);
 229           }
 230         }
 231       }
 232
 233       return true;
 234     }
 235   else
 236     return false;
 237 }
 238
 239 void
 240 Player::level_begin()
 241 {
 242   base.x  = 100;
 243   base.y  = 170;
 244   previous_base = old_base = base;
 245   duck = false;
 246
 247   dying = DYING_NOT;
 248
 249   player_input_init(&input);
 250
 251   invincible_timer.init(true);
 252   skidding_timer.init(true);
 253   safe_timer.init(true);
 254   frame_timer.init(true);
 255   growing_timer.init(true);
 256   idle_timer.init(true);
 257
 258   physic.reset();
 259 }
 260
 261 void
 262 Player::action(float elapsed_time)
 263 {
 264   bool jumped_in_solid = false;
 265
 266   if(dying && !dying_timer.check()) {
 267     dead = true;
 268     return;
 269   }
 270
 271   if (input.fire == UP)
 272     holding_something = false;
 273
 274   /* Move tux: */
 275   previous_base = base;
 276
 277   /* --- HANDLE TUX! --- */
 278   if(dying == DYING_NOT)
 279     handle_input();
 280
 281   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 282
 283   if(dying == DYING_NOT)
 284     {
 285       base_type target = base;
 286
 287       collision_swept_object_map(&old_base, &base);
 288
 289       if ((!invincible_timer.started() && !safe_timer.started())
 290           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 291           ||  isspike(base.x, base.y + base.height)
 292           ||  isspike(base.x + base.width, base.y + base.height)))
 293       {
 294          kill(SHRINK);
 295       }
 296
 297       // Don't accelerate Tux if he is running against a wall
 298       if (target.x != base.x)
 299         {
 300           physic.set_velocity_x(0);
 301         }
 302
 303       // special exception for cases where we're stuck under tiles after
 304       // being ducked. In this case we drift out
 305       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 306          && collision_object_map(base))
 307         {
 308           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 309           previous_base = old_base = base;
 310         }
 311
 312       // Land:
 313       if (!on_ground())
 314         {
 315           physic.enable_gravity(true);
 316           if(under_solid())
 317             {
 318               // fall down
 319               physic.set_velocity_y(0);
 320               jumped_in_solid = true;
 321               jumping = false;
 322               flapping = false;
 323             }
 324         }
 325       else
 326         {
 327           /* Land: */
 328           if (physic.get_velocity_y() < 0)
 329             {
 330               base.y = (int)(((int)base.y / 32) * 32);
 331               physic.set_velocity_y(0);
 332             }
 333
 334           physic.enable_gravity(false);
 335           /* Reset score multiplier (for multi-hits): */
 336           if (!invincible_timer.started())
 337             player_status.score_multiplier = 1;
 338         }
 339
 340       if(jumped_in_solid)
 341         {
 342           if (isbrick(base.x, base.y) ||
 343               isfullbox(base.x, base.y))
 344             {
 345               Sector::current()->trygrabdistro(
 346                   Vector(base.x, base.y - 32), BOUNCE);
 347               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 348
 349               Sector::current()->trybreakbrick(
 350                   Vector(base.x, base.y), size == SMALL);
 351
 352               bumpbrick(base.x, base.y);
 353               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 354             }
 355
 356           if (isbrick(base.x+ 31, base.y) ||
 357               isfullbox(base.x+ 31, base.y))
 358             {
 359               Sector::current()->trygrabdistro(
 360                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 361               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 362
 363               if(size == BIG)
 364                 Sector::current()->trybreakbrick(
 365                     Vector(base.x+ 31, base.y), size == SMALL);
 366
 367               bumpbrick(base.x+ 31, base.y);
 368               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 369             }
 370         }
 371
 372       grabdistros();
 373
 374       if (jumped_in_solid)
 375         {
 376           ++base.y;
 377           ++old_base.y;
 378           if(on_ground())
 379             {
 380               /* Make sure jumping is off. */
 381               jumping = false;
 382               flapping = false;
 383             }
 384         }
 385     }
 386
 387   /* ---- DONE HANDLING TUX! --- */
 388
 389   // check some timers
 390   skidding_timer.check();
 391   invincible_timer.check();
 392   safe_timer.check();
 393   kick_timer.check();
 394 }
 395
 396 bool
 397 Player::on_ground()
 398 {
 399   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 400            issolid(base.x + 1, base.y + base.height) ||
 401            issolid(base.x + base.width - 1, base.y + base.height));
 402 }
 403
 404 bool
 405 Player::under_solid()
 406 {
 407   return ( issolid(base.x + base.width / 2, base.y) ||
 408            issolid(base.x + 1, base.y) ||
 409            issolid(base.x + base.width - 1, base.y)  );
 410 }
 411
 412 bool
 413 Player::tiles_on_air(int tiles)
 414 {
 415   for(int t = 0; t != tiles; t++)
 416      {
 417      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 418          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 419          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 420        return false;
 421      }
 422   return true;
 423 }
 424
 425 void
 426 Player::handle_horizontal_input()
 427 {
 428   float vx = physic.get_velocity_x();
 429   float vy = physic.get_velocity_y();
 430   float ax = physic.get_acceleration_x();
 431   float ay = physic.get_acceleration_y();
 432
 433   float dirsign = 0;
 434   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 435       old_dir = dir;
 436       dir = LEFT;
 437       dirsign = -1;
 438   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 439       old_dir = dir;
 440       dir = RIGHT;
 441       dirsign = 1;
 442   }
 443
 444   if (input.fire == UP) {
 445       ax = dirsign * WALK_ACCELERATION_X;
 446       // limit speed
 447       if(vx >= MAX_WALK_XM && dirsign > 0) {
 448         vx = MAX_WALK_XM;
 449         ax = 0;
 450       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 451         vx = -MAX_WALK_XM;
 452         ax = 0;
 453       }
 454   } else {
 455       ax = dirsign * RUN_ACCELERATION_X;
 456       // limit speed
 457       if(vx >= MAX_RUN_XM && dirsign > 0) {
 458         vx = MAX_RUN_XM;
 459         ax = 0;
 460       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 461         vx = -MAX_RUN_XM;
 462         ax = 0;
 463       }
 464   }
 465
 466   // we can reach WALK_SPEED without any acceleration
 467   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 468     vx = dirsign * WALK_SPEED;
 469   }
 470
 471   // changing directions?
 472   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 473       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 474           skidding_timer.start(SKID_TIME);
 475           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 476           ax *= 2.5;
 477       } else {
 478           ax *= 2;
 479       }
 480   }
 481
 482   // we get slower when not pressing any keys
 483   if(dirsign == 0) {
 484       if(fabs(vx) < WALK_SPEED) {
 485           vx = 0;
 486           ax = 0;
 487       } else if(vx < 0) {
 488           ax = WALK_ACCELERATION_X * 1.5;
 489       } else {
 490           ax = WALK_ACCELERATION_X * -1.5;
 491       }
 492   }
 493
 494   // if we're on ice slow down acceleration or deceleration
 495   if (isice(base.x, base.y + base.height))
 496   {
 497     /* the acceleration/deceleration rate on ice is inversely proportional to
 498      * the current velocity.
 499      */
 500
 501     // increasing 1 will increase acceleration/deceleration rate
 502     // decreasing 1 will decrease acceleration/deceleration rate
 503     //  must stay above zero, though
 504     if (ax != 0) ax *= 1 / fabs(vx);
 505   }
 506
 507   physic.set_velocity(vx, vy);
 508   physic.set_acceleration(ax, ay);
 509 }
 510
 511 void
 512 Player::handle_vertical_input()
 513 {
 514
 515   // set fall mode...
 516   if(on_ground()) {
 517     fall_mode = ON_GROUND;
 518     last_ground_y = base.y;
 519   } else {
 520     if(base.y > last_ground_y)
 521       fall_mode = FALLING;
 522     else if(fall_mode == ON_GROUND)
 523       fall_mode = JUMPING;
 524   }
 525
 526   // Press jump key
 527   if(input.up == DOWN && can_jump && on_ground())
 528     {
 529       if(duck) { // only jump a little bit when in duck mode {
 530         physic.set_velocity_y(3);
 531       } else {
 532         // jump higher if we are running
 533         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 534           physic.set_velocity_y(5.8);
 535         else
 536           physic.set_velocity_y(5.2);
 537       }
 538
 539       --base.y;
 540       jumping = true;
 541       flapping = false;
 542       can_jump = false;
 543       can_flap = false;
 544       if (size == SMALL)
 545         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 546       else
 547         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 548     }
 549   // Let go of jump key
 550   else if(input.up == UP)
 551     {
 552       if (!flapping && !duck && !falling_from_flap && !on_ground())
 553          {
 554             can_flap = true;
 555          }
 556       if (jumping && physic.get_velocity_y() > 0)
 557          {
 558             jumping = false;
 559             physic.set_velocity_y(0);
 560          }
 561     }
 562
 563    // Flapping
 564    if (input.up == DOWN && can_flap)
 565      {
 566          if (!flapping_timer.started())
 567             {
 568                flapping_timer.start(TUX_FLAPPING_TIME);
 569             }
 570          if (!flapping_timer.check())
 571             {
 572                can_flap = false;
 573                falling_from_flap = true;
 574             }
 575          jumping = true;
 576          flapping = true;
 577          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 578             {
 579                physic.set_velocity_y((float)flapping_timer.get_gone()/450);
 580             }
 581      }
 582
 583    // Hover
 584    //(disabled by default, use cheat code "hover" to toggle on/off)
 585    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 586    if (enable_hover && input.up == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 587       {
 588          physic.set_velocity_y(-1);
 589       }
 590
 591    /* In case the player has pressed Down while in a certain range of air,
 592       enable butt jump action */
 593   if (input.down == DOWN && !butt_jump && !duck)
 594     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 595       butt_jump = true;
 596
 597    /* When Down is not held anymore, disable butt jump */
 598   if(butt_jump && input.down == UP)
 599     butt_jump = false;
 600
 601   // Do butt jump
 602   if (butt_jump && on_ground() && size == BIG)
 603   {
 604     // Add a smoke cloud
 605     if (duck)
 606       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 607     else
 608       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 609
 610     butt_jump = false;
 611
 612     // Break bricks beneath Tux
 613     if(Sector::current()->trybreakbrick(
 614           Vector(base.x + 1, base.y + base.height), false)
 615         || Sector::current()->trybreakbrick(
 616            Vector(base.x + base.width - 1, base.y + base.height), false))
 617     {
 618       physic.set_velocity_y(2);
 619       butt_jump = true;
 620     }
 621
 622     // Kill nearby badguys
 623     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 624     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 625          i != gameobjects.end();
 626          i++)
 627     {
 628       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 629       if(badguy)
 630       {
 631         // don't kill when badguys are already dying or in a certain mode
 632         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 633            badguy->mode != BadGuy::BOMB_EXPLODE)
 634           {
 635             if (fabsf(base.x - badguy->base.x) < 150 &&
 636               fabsf(base.y - badguy->base.y) < 60 &&
 637               (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 638                issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 639               badguy->kill_me(25);
 640           }
 641       }
 642     }
 643   }
 644
 645   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 646         issolid(base.x + 1, base.y + base.height + 64) ||
 647         issolid(base.x + base.width - 1, base.y + base.height + 64))
 648        && jumping  == false
 649        && can_jump == false
 650        && input.up == DOWN
 651        && input.old_up == UP)
 652     {
 653       can_jump = true;
 654     }
 655
 656   if(on_ground())   /* Make sure jumping is off. */
 657     {
 658       jumping = false;
 659       flapping = false;
 660       falling_from_flap = false;
 661       if (flapping_timer.started()) {flapping_timer.stop();}
 662     }
 663
 664   input.old_up = input.up;
 665 }
 666
 667 void
 668 Player::handle_input()
 669 {
 670   /* Handle horizontal movement: */
 671     handle_horizontal_input();
 672
 673   /* Jump/jumping? */
 674
 675   if (on_ground() && input.up == UP)
 676     can_jump = true;
 677   handle_vertical_input();
 678
 679   /* Shoot! */
 680   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 681     {
 682       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 683           physic.get_velocity_x(), dir))
 684         shooting_timer.start(SHOOTING_TIME);
 685       input.old_fire = DOWN;
 686     }
 687
 688   /* tux animations: */
 689   if(!frame_timer.check())
 690     {
 691       frame_timer.start(25);
 692       if (input.right == UP && input.left == UP)
 693         {
 694           frame_main = 1;
 695           frame_ = 1;
 696         }
 697       else
 698         {
 699           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 700               (global_frame_counter % 4) == 0)
 701             frame_main = (frame_main + 1) % 4;
 702
 703           frame_ = frame_main;
 704
 705           if (frame_ == 3)
 706             frame_ = 1;
 707         }
 708     }
 709
 710   /* Duck! */
 711   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 712     {
 713       duck = true;
 714       base.height = 32;
 715       base.y += 32;
 716       // changing base size confuses collision otherwise
 717       old_base = previous_base = base;
 718     }
 719   else if(input.down == UP && size == BIG && duck)
 720     {
 721       // try if we can really unduck
 722       base.y -= 32;
 723       base.height = 64;
 724       // when unducking in air we need some space to do so
 725       if(on_ground() || !collision_object_map(base)) {
 726         duck = false;
 727         // changing base size confuses collision otherwise
 728         old_base = previous_base = base;
 729       } else {
 730         // undo the ducking changes
 731         base.y += 32;
 732         base.height = 32;
 733       }
 734     }
 735 }
 736
 737 void
 738 Player::grow(bool animate)
 739 {
 740   if(size == BIG)
 741     return;
 742
 743   size = BIG;
 744   base.height = 64;
 745   base.y -= 32;
 746
 747   if(animate)
 748     growing_timer.start(GROWING_TIME);
 749
 750   old_base = previous_base = base;
 751 }
 752
 753 void
 754 Player::grabdistros()
 755 {
 756   /* Grab distros: */
 757   if (!dying)
 758     {
 759       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 760       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 761       Sector::current()->trygrabdistro(
 762           Vector(base.x, base.y + base.height), NO_BOUNCE);
 763       Sector::current()->trygrabdistro(
 764           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 765
 766       if(size == BIG)
 767         {
 768           Sector::current()->trygrabdistro(
 769               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 770           Sector::current()->trygrabdistro(
 771               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 772         }
 773
 774     }
 775
 776   /* Enough distros for a One-up? */
 777   if (player_status.distros >= DISTROS_LIFEUP)
 778     {
 779       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 780       if(player_status.lives < MAX_LIVES)
 781         ++player_status.lives;
 782       /*We want to hear the sound even, if MAX_LIVES is reached*/
 783       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 784     }
 785 }
 786
 787 void
 788 Player::draw(DrawingContext& context)
 789 {
 790   TuxBodyParts* tux_body;
 791
 792   if (size == SMALL)
 793     tux_body = small_tux;
 794   else if (got_power == FIRE_POWER)
 795     tux_body = fire_tux;
 796   else if (got_power == ICE_POWER)
 797     tux_body = ice_tux;
 798   else
 799     tux_body = big_tux;
 800
 801   int layer = LAYER_OBJECTS - 1;
 802   Vector pos = Vector(base.x, base.y);
 803
 804   /* Set Tux sprite action */
 805   if (duck && size == BIG)
 806     {
 807     if(dir == LEFT)
 808       tux_body->set_action("duck-left");
 809     else // dir == RIGHT
 810       tux_body->set_action("duck-right");
 811     }
 812   else if (skidding_timer.started())
 813     {
 814     if(dir == LEFT)
 815       tux_body->set_action("skid-left");
 816     else // dir == RIGHT
 817       tux_body->set_action("skid-right");
 818     }
 819   else if (kick_timer.started())
 820     {
 821     if(dir == LEFT)
 822       tux_body->set_action("kick-left");
 823     else // dir == RIGHT
 824       tux_body->set_action("kick-right");
 825     }
 826   else if (butt_jump)
 827     {
 828     if(dir == LEFT)
 829       tux_body->set_action("buttjump-left");
 830     else // dir == RIGHT
 831       tux_body->set_action("buttjump-right");
 832     }
 833   else if (physic.get_velocity_y() != 0)
 834     {
 835     if(dir == LEFT)
 836       tux_body->set_action("jump-left");
 837     else // dir == RIGHT
 838       tux_body->set_action("jump-right");
 839     }
 840   else
 841     {
 842     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 843       {
 844       if(dir == LEFT)
 845         tux_body->set_action("stand-left");
 846       else // dir == RIGHT
 847         tux_body->set_action("stand-right");
 848       }
 849     else // moving
 850       {
 851       if(dir == LEFT)
 852         tux_body->set_action("walk-left");
 853       else // dir == RIGHT
 854         tux_body->set_action("walk-right");
 855       }
 856     }
 857
 858   if(idle_timer.get_left() < 0)
 859     {
 860     if(size == BIG)
 861       {
 862       if(dir == LEFT)
 863         tux_body->head->set_action("idle-left");
 864       else // dir == RIGHT
 865         tux_body->head->set_action("idle-right");
 866
 867       tux_body->head->start_animation(1);
 868       }
 869
 870     idle_timer.start(IDLE_TIME);
 871     }
 872
 873   // Tux is holding something
 874   if ((holding_something && physic.get_velocity_y() == 0) ||
 875       shooting_timer.check())
 876     {
 877     if (duck)
 878       {
 879       if(dir == LEFT)
 880         tux_body->arms->set_action("duck+grab-left");
 881       else // dir == RIGHT
 882         tux_body->arms->set_action("duck+grab-right");
 883       }
 884     else
 885       {
 886       if(dir == LEFT)
 887         tux_body->arms->set_action("grab-left");
 888       else // dir == RIGHT
 889         tux_body->arms->set_action("grab-right");
 890       }
 891     }
 892
 893   /* Draw Tux */
 894   if (dying == DYING_SQUISHED)
 895     {
 896     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 897     }
 898   else if(growing_timer.check())
 899     {
 900     if(size == SMALL)
 901       {
 902       if (dir == RIGHT)
 903         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 904                  ((growing_timer.get_gone() *
 905                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 906       else
 907         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 908                 ((growing_timer.get_gone() *
 909                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 910       }
 911     else
 912       {
 913       if (dir == RIGHT)
 914         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 915                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 916       else
 917         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 918                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 919       }
 920     }
 921   else if (safe_timer.started() && global_frame_counter%2)
 922     ;  // don't draw Tux
 923   else
 924     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 925
 926   // Draw blinking star overlay
 927   if (invincible_timer.started() &&
 928      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
 929      && !dying)
 930   {
 931     if (size == SMALL || duck)
 932       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 933     else
 934       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
 935   }
 936
 937   if (debug_mode)
 938     context.draw_filled_rect(Vector(base.x, base.y),
 939         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 940 }
 941
 942 void
 943 Player::collision(const MovingObject& other, int collision_type)
 944 {
 945   (void) other;
 946   (void) collision_type;
 947   // will be implemented later
 948 }
 949
 950 void
 951 Player::collision(void* p_c_object, int c_object)
 952 {
 953   BadGuy* pbad_c = NULL;
 954   Trampoline* ptramp_c = NULL;
 955   FlyingPlatform* pplatform_c = NULL;
 956
 957   switch (c_object)
 958     {
 959     case CO_BADGUY:
 960       pbad_c = (BadGuy*) p_c_object;
 961
 962      /* Hurt player if he touches a badguy */
 963       if (!pbad_c->dying && !dying &&
 964           !safe_timer.started() &&
 965           pbad_c->mode != BadGuy::HELD)
 966         {
 967           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 968                && !holding_something)
 969             {
 970               holding_something = true;
 971               pbad_c->mode = BadGuy::HELD;
 972               pbad_c->base.y-=8;
 973             }
 974           else if (pbad_c->mode == BadGuy::FLAT)
 975             {
 976               // Don't get hurt if we're kicking a flat badguy!
 977             }
 978           else if (pbad_c->mode == BadGuy::KICK)
 979             {
 980               /* Hurt if you get hit by kicked laptop: */
 981               if (!invincible_timer.started())
 982                 {
 983                   kill(SHRINK);
 984                 }
 985               else
 986                 pbad_c->kill_me(20);
 987             }
 988           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 989               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 990               || pbad_c->kind == BAD_SPIKY))
 991                 pbad_c->kill_me(20);
 992           else
 993             {
 994               if (!invincible_timer.started())
 995                 {
 996                   kill(SHRINK);
 997                 }
 998               else
 999                 {
1000                   pbad_c->kill_me(25);
1001                 }
1002             }
1003           player_status.score_multiplier++;
1004         }
1005       break;
1006
1007     case CO_TRAMPOLINE:
1008       ptramp_c = (Trampoline*) p_c_object;
1009
1010       // Pick up trampoline
1011       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
1012       {
1013         holding_something = true;
1014         ptramp_c->mode = Trampoline::M_HELD;
1015         ptramp_c->base.y -= 8;
1016       }
1017       // Set down trampoline
1018       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
1019       {
1020         holding_something = false;
1021         ptramp_c->mode = Trampoline::M_NORMAL;
1022         ptramp_c->base.y += 8;
1023         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1024
1025         //if (dir == RIGHT)
1026         //  ptramp_c->base.x = base.x + base.width+1;
1027         //else /* LEFT */
1028         //  ptramp_c->base.x = base.x - base.width-1;
1029       }
1030 /*
1031       // Don't let tux walk through trampoline
1032       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1033       {
1034         if (physic.get_velocity_x() > 0) // RIGHT
1035         {
1036           physic.set_velocity_x(0);
1037           base.x = ptramp_c->base.x - base.width;
1038         }
1039         else if (physic.get_velocity_x() < 0) // LEFT
1040         {
1041           physic.set_velocity_x(0);
1042           base.x = ptramp_c->base.x + ptramp_c->base.width;
1043         }
1044       }
1045 */
1046       break;
1047     case CO_FLYING_PLATFORM:
1048       pplatform_c = (FlyingPlatform*) p_c_object;
1049
1050       base.y = pplatform_c->base.y - base.height;
1051       physic.set_velocity_x(pplatform_c->get_vel_x());
1052
1053       physic.enable_gravity(false);
1054       can_jump = true;
1055       fall_mode = ON_GROUND;
1056       break;
1057
1058     default:
1059       break;
1060     }
1061
1062 }
1063
1064 /* Kill Player! */
1065
1066 void
1067 Player::kill(HurtMode mode)
1068 {
1069   if(dying)
1070     return;
1071
1072   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1073
1074   physic.set_velocity_x(0);
1075
1076   if (mode == SHRINK && size == BIG)
1077     {
1078       if (got_power != NONE_POWER)
1079         {
1080           safe_timer.start(TUX_SAFE_TIME);
1081           got_power = NONE_POWER;
1082         }
1083       else
1084         {
1085           growing_timer.start(GROWING_TIME);
1086           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1087           size = SMALL;
1088           base.height = 32;
1089           duck = false;
1090         }
1091     }
1092   else
1093     {
1094       physic.enable_gravity(true);
1095       physic.set_acceleration(0, 0);
1096       physic.set_velocity(0, 7);
1097       --player_status.lives;
1098       dying = DYING_SQUISHED;
1099       dying_timer.start(3000);
1100     }
1101 }
1102
1103 /* Remove Tux's power ups */
1104 void
1105 Player::remove_powerups()
1106 {
1107   got_power = NONE_POWER;
1108   size = SMALL;
1109   base.height = 32;
1110 }
1111
1112 void
1113 Player::move(const Vector& vector)
1114 {
1115   base.x = vector.x;
1116   base.y = vector.y;
1117   old_base = previous_base = base;
1118 }
1119
1120 void
1121 Player::check_bounds(Camera* camera)
1122 {
1123   /* Keep tux in bounds: */
1124   if (base.x < 0)
1125     { // Lock Tux to the size of the level, so that he doesn't fall of
1126       // on the left side
1127       base.x = 0;
1128     }
1129
1130   /* Keep in-bounds, vertically: */
1131   if (base.y > Sector::current()->solids->get_height() * 32)
1132     {
1133       kill(KILL);
1134       return;
1135     }
1136
1137   bool adjust = false;
1138   // can happen if back scrolling is disabled
1139   if(base.x < camera->get_translation().x) {
1140     base.x = camera->get_translation().x;
1141     adjust = true;
1142   }
1143   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1144     base.x = camera->get_translation().x + screen->w - base.width;
1145     adjust = true;
1146   }
1147
1148   if(adjust) {
1149     // squished now?
1150     if(collision_object_map(base)) {
1151       kill(KILL);
1152       return;
1153     }
1154   }
1155 }
1156
1157 void
1158 Player::bounce(BadGuy* badguy)
1159 {
1160   //Make sure we stopped flapping
1161   flapping = false;
1162   falling_from_flap = false;
1163
1164   if (input.up)
1165     physic.set_velocity_y(5.2);
1166   else
1167     physic.set_velocity_y(2);
1168
1169   // Move the player a little bit above the badguy to avoid collision
1170   // between badguy and player directly after the bounce has happend
1171   base.y = badguy->base.y - base.height - 2;
1172 }
1173
1174 /* EOF */
1175