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 "app/gettext.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 #include "gameloop.h"
  40
  41 // behavior definitions:
  42 #define TILES_FOR_BUTTJUMP 3
  43 // animation times (in ms):
  44 #define SHOOTING_TIME 320
  45 // others stuff:
  46 #define AUTOSCROLL_DEAD_INTERVAL 300
  47
  48 // time before idle animation starts
  49 #define IDLE_TIME 2500
  50
  51 // growing animation
  52 Surface* growingtux_left[GROWING_FRAMES];
  53 Surface* growingtux_right[GROWING_FRAMES];
  54
  55 Surface* tux_life;
  56
  57 Sprite* smalltux_gameover;
  58 Sprite* smalltux_star;
  59 Sprite* bigtux_star;
  60
  61 TuxBodyParts* small_tux;
  62 TuxBodyParts* big_tux;
  63 TuxBodyParts* fire_tux;
  64 TuxBodyParts* ice_tux;
  65
  66 PlayerKeymap keymap;
  67
  68 PlayerKeymap::PlayerKeymap()
  69 {
  70   keymap.up    = SDLK_UP;
  71   keymap.down  = SDLK_DOWN;
  72   keymap.left  = SDLK_LEFT;
  73   keymap.right = SDLK_RIGHT;
  74
  75   keymap.power = SDLK_LCTRL;
  76   keymap.jump  = SDLK_LALT;
  77 }
  78
  79 void player_input_init(player_input_type* pplayer_input)
  80 {
  81   pplayer_input->up = UP;
  82   pplayer_input->down = UP;
  83   pplayer_input->fire = UP;
  84   pplayer_input->left = UP;
  85   pplayer_input->old_fire = UP;
  86   pplayer_input->right = UP;
  87   pplayer_input->jump = UP;
  88   pplayer_input->old_jump = UP;
  89   pplayer_input->activate = UP;
  90 }
  91
  92 void
  93 TuxBodyParts::set_action(std::string action)
  94 {
  95   if(head != NULL)
  96     head->set_action(action);
  97   if(body != NULL)
  98     body->set_action(action);
  99   if(arms != NULL)
 100     arms->set_action(action);
 101   if(feet != NULL)
 102     feet->set_action(action);
 103 }
 104
 105 void
 106 TuxBodyParts::one_time_animation()
 107 {
 108   if(head != NULL)
 109     head->start_animation(1);
 110   if(body != NULL)
 111     body->start_animation(1);
 112   if(arms != NULL)
 113     arms->start_animation(1);
 114   if(feet != NULL)
 115     feet->start_animation(1);
 116 }
 117
 118 void
 119 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer,
 120                   Uint32 drawing_effect)
 121 {
 122   if(head != NULL)
 123     head->draw(context, pos, layer-1, drawing_effect);
 124   if(body != NULL)
 125     body->draw(context, pos, layer-3, drawing_effect);
 126   if(arms != NULL)
 127     arms->draw(context, pos, layer,   drawing_effect);
 128   if(feet != NULL)
 129     feet->draw(context, pos, layer-2, drawing_effect);
 130 }
 131
 132 Player::Player()
 133 {
 134   init();
 135 }
 136
 137 Player::~Player()
 138 {
 139 }
 140
 141 void
 142 Player::init()
 143 {
 144   holding_something = false;
 145
 146   base.width = 32;
 147   base.height = 32;
 148
 149   size = SMALL;
 150   got_power = NONE_POWER;
 151
 152   base.x = 0;
 153   base.y = 0;
 154   previous_base = old_base = base;
 155   dir = RIGHT;
 156   old_dir = dir;
 157   duck = false;
 158   dead = false;
 159
 160   dying   = DYING_NOT;
 161   last_ground_y = 0;
 162   fall_mode = ON_GROUND;
 163   jumping = false;
 164   flapping = false;
 165   can_jump = true;
 166   can_flap = false;
 167   falling_from_flap = false;
 168   enable_hover = false;
 169   butt_jump = false;
 170
 171   frame_main = 0;
 172   frame_ = 0;
 173
 174   player_input_init(&input);
 175
 176   invincible_timer.init(true);
 177   skidding_timer.init(true);
 178   safe_timer.init(true);
 179   frame_timer.init(true);
 180   kick_timer.init(true);
 181   shooting_timer.init(true);
 182   growing_timer.init(true);
 183   idle_timer.init(true);
 184   flapping_timer.init(true);
 185
 186   physic.reset();
 187 }
 188
 189 int
 190 Player::key_event(SDLKey key, int state)
 191 {
 192   idle_timer.start(IDLE_TIME);
 193
 194   if(key == keymap.right)
 195     {
 196       input.right = state;
 197       return true;
 198     }
 199   else if(key == keymap.left)
 200     {
 201       input.left = state;
 202       return true;
 203     }
 204   else if(key == keymap.up)
 205     {
 206       input.up = state;
 207
 208       /* Up key also opens activates stuff */
 209       input.activate = state;
 210
 211       if(state == DOWN) {
 212         /** check for interactive objects */
 213         for(Sector::InteractiveObjects::iterator i
 214             = Sector::current()->interactive_objects.begin();
 215             i != Sector::current()->interactive_objects.end(); ++i) {
 216           if(rectcollision(base, (*i)->get_area())) {
 217             (*i)->interaction(INTERACTION_ACTIVATE);
 218           }
 219         }
 220       }
 221
 222       return true;
 223     }
 224   else if(key == keymap.down)
 225     {
 226       input.down = state;
 227       return true;
 228     }
 229   else if(key == keymap.power)
 230     {
 231       if (state == UP)
 232         input.old_fire = UP;
 233       input.fire = state;
 234
 235       return true;
 236     }
 237   else if(key == keymap.jump)
 238     {
 239       if (state == UP)
 240         input.old_jump = UP;
 241       input.jump = state;
 242       return true;
 243     }
 244   else
 245     return false;
 246 }
 247
 248 void
 249 Player::level_begin()
 250 {
 251   base.x  = 100;
 252   base.y  = 170;
 253   previous_base = old_base = base;
 254   duck = false;
 255
 256   dying = DYING_NOT;
 257
 258   player_input_init(&input);
 259
 260   invincible_timer.init(true);
 261   skidding_timer.init(true);
 262   safe_timer.init(true);
 263   frame_timer.init(true);
 264   growing_timer.init(true);
 265   idle_timer.init(true);
 266
 267   physic.reset();
 268 }
 269
 270 void
 271 Player::action(float elapsed_time)
 272 {
 273   bool jumped_in_solid = false;
 274
 275   if(dying && !dying_timer.check()) {
 276     dead = true;
 277     return;
 278   }
 279
 280   if (input.fire == UP)
 281     holding_something = false;
 282
 283   /* Move tux: */
 284   previous_base = base;
 285
 286   /* --- HANDLE TUX! --- */
 287   if(dying == DYING_NOT)
 288     handle_input();
 289
 290   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 291
 292   if(dying == DYING_NOT)
 293     {
 294       base_type target = base;
 295
 296       collision_swept_object_map(&old_base, &base);
 297
 298       if ((!invincible_timer.started() && !safe_timer.started())
 299           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 300           ||  isspike(base.x, base.y + base.height)
 301           ||  isspike(base.x + base.width, base.y + base.height)))
 302       {
 303          kill(SHRINK);
 304       }
 305
 306       // Don't accelerate Tux if he is running against a wall
 307       if (target.x != base.x)
 308         {
 309           physic.set_velocity_x(0);
 310         }
 311
 312       // special exception for cases where we're stuck under tiles after
 313       // being ducked. In this case we drift out
 314       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 315          && collision_object_map(base))
 316         {
 317           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 318           previous_base = old_base = base;
 319         }
 320
 321       // Land:
 322       if (!on_ground())
 323         {
 324           physic.enable_gravity(true);
 325           if(under_solid())
 326             {
 327               // fall down
 328               physic.set_velocity_y(0);
 329               jumped_in_solid = true;
 330               jumping = false;
 331               flapping = false;
 332             }
 333         }
 334       else
 335         {
 336           /* Land: */
 337           if (physic.get_velocity_y() < 0)
 338             {
 339               base.y = (int)(((int)base.y / 32) * 32);
 340               physic.set_velocity_y(0);
 341             }
 342
 343           physic.enable_gravity(false);
 344           /* Reset score multiplier (for multi-hits): */
 345           if (!invincible_timer.started())
 346             {
 347             /*if(player_status.score_multiplier > 2)
 348               {  // show a message
 349               char str[124];
 350               sprintf(str, _("%d bad guys in a row!"), player_status.score_multiplier-1);
 351               Sector::current()->add_floating_text(base, str);
 352               }*/
 353             player_status.score_multiplier = 1;
 354             }
 355         }
 356
 357       if(jumped_in_solid)
 358         {
 359           if (isbrick(base.x, base.y) ||
 360               isfullbox(base.x, base.y))
 361             {
 362               Sector::current()->trygrabdistro(
 363                   Vector(base.x, base.y - 32), BOUNCE);
 364               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 365
 366               Sector::current()->trybreakbrick(
 367                   Vector(base.x, base.y), size == SMALL);
 368
 369               bumpbrick(base.x, base.y);
 370               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 371             }
 372
 373           if (isbrick(base.x+ 31, base.y) ||
 374               isfullbox(base.x+ 31, base.y))
 375             {
 376               Sector::current()->trygrabdistro(
 377                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 378               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 379
 380               if(size == BIG)
 381                 Sector::current()->trybreakbrick(
 382                     Vector(base.x+ 31, base.y), size == SMALL);
 383
 384               bumpbrick(base.x+ 31, base.y);
 385               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 386             }
 387         }
 388
 389       grabdistros();
 390
 391       if (jumped_in_solid)
 392         {
 393           ++base.y;
 394           ++old_base.y;
 395           if(on_ground())
 396             {
 397               /* Make sure jumping is off. */
 398               jumping = false;
 399               flapping = false;
 400             }
 401         }
 402     }
 403
 404   /* ---- DONE HANDLING TUX! --- */
 405
 406   // check some timers
 407   skidding_timer.check();
 408   invincible_timer.check();
 409   safe_timer.check();
 410   kick_timer.check();
 411 }
 412
 413 bool
 414 Player::on_ground()
 415 {
 416   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 417            issolid(base.x + 1, base.y + base.height) ||
 418            issolid(base.x + base.width - 1, base.y + base.height));
 419 }
 420
 421 bool
 422 Player::under_solid()
 423 {
 424   return ( issolid(base.x + base.width / 2, base.y) ||
 425            issolid(base.x + 1, base.y) ||
 426            issolid(base.x + base.width - 1, base.y)  );
 427 }
 428
 429 bool
 430 Player::tiles_on_air(int tiles)
 431 {
 432   for(int t = 0; t != tiles; t++)
 433      {
 434      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 435          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 436          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 437        return false;
 438      }
 439   return true;
 440 }
 441
 442 void
 443 Player::handle_horizontal_input()
 444 {
 445   float vx = physic.get_velocity_x();
 446   float vy = physic.get_velocity_y();
 447   float ax = physic.get_acceleration_x();
 448   float ay = physic.get_acceleration_y();
 449
 450   float dirsign = 0;
 451   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 452       old_dir = dir;
 453       dir = LEFT;
 454       dirsign = -1;
 455   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 456       old_dir = dir;
 457       dir = RIGHT;
 458       dirsign = 1;
 459   }
 460
 461   if (input.fire == UP) {
 462       ax = dirsign * WALK_ACCELERATION_X;
 463       // limit speed
 464       if(vx >= MAX_WALK_XM && dirsign > 0) {
 465         vx = MAX_WALK_XM;
 466         ax = 0;
 467       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 468         vx = -MAX_WALK_XM;
 469         ax = 0;
 470       }
 471   } else {
 472       ax = dirsign * RUN_ACCELERATION_X;
 473       // limit speed
 474       if(vx >= MAX_RUN_XM && dirsign > 0) {
 475         vx = MAX_RUN_XM;
 476         ax = 0;
 477       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 478         vx = -MAX_RUN_XM;
 479         ax = 0;
 480       }
 481   }
 482
 483   // we can reach WALK_SPEED without any acceleration
 484   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 485     vx = dirsign * WALK_SPEED;
 486   }
 487
 488   // changing directions?
 489   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 490       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 491           skidding_timer.start(SKID_TIME);
 492           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 493           ax *= 2.5;
 494       } else {
 495           ax *= 2;
 496       }
 497   }
 498
 499   // we get slower when not pressing any keys
 500   if(dirsign == 0) {
 501       if(fabs(vx) < WALK_SPEED) {
 502           vx = 0;
 503           ax = 0;
 504       } else if(vx < 0) {
 505           ax = WALK_ACCELERATION_X * 1.5;
 506       } else {
 507           ax = WALK_ACCELERATION_X * -1.5;
 508       }
 509   }
 510
 511   // if we're on ice slow down acceleration or deceleration
 512   if (isice(base.x, base.y + base.height))
 513   {
 514     /* the acceleration/deceleration rate on ice is inversely proportional to
 515      * the current velocity.
 516      */
 517
 518     // increasing 1 will increase acceleration/deceleration rate
 519     // decreasing 1 will decrease acceleration/deceleration rate
 520     //  must stay above zero, though
 521     if (ax != 0) ax *= 1 / fabs(vx);
 522   }
 523
 524   physic.set_velocity(vx, vy);
 525   physic.set_acceleration(ax, ay);
 526 }
 527
 528 void
 529 Player::handle_vertical_input()
 530 {
 531
 532   // set fall mode...
 533   if(on_ground()) {
 534     fall_mode = ON_GROUND;
 535     last_ground_y = base.y;
 536   } else {
 537     if(base.y > last_ground_y)
 538       fall_mode = FALLING;
 539     else if(fall_mode == ON_GROUND)
 540       fall_mode = JUMPING;
 541   }
 542
 543   // Press jump key
 544   if(input.jump == DOWN && can_jump && on_ground())
 545     {
 546       if(duck) { // only jump a little bit when in duck mode {
 547         physic.set_velocity_y(3);
 548       } else {
 549         // jump higher if we are running
 550         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 551           physic.set_velocity_y(5.8);
 552         else
 553           physic.set_velocity_y(5.2);
 554       }
 555
 556       --base.y;
 557       jumping = true;
 558       flapping = false;
 559       can_jump = false;
 560       can_flap = false;
 561       if (size == SMALL)
 562         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 563       else
 564         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 565     }
 566   // Let go of jump key
 567   else if(input.jump == UP)
 568     {
 569       if (!flapping && !duck && !falling_from_flap && !on_ground())
 570          {
 571             can_flap = true;
 572          }
 573       if (jumping && physic.get_velocity_y() > 0)
 574          {
 575             jumping = false;
 576             physic.set_velocity_y(0);
 577          }
 578     }
 579
 580
 581    // Flapping, Marek's version
 582    if (input.jump == DOWN && can_flap)
 583      {
 584          if (!flapping_timer.started())
 585             {
 586                flapping_timer.start(TUX_FLAPPING_TIME);
 587             }
 588          if (!flapping_timer.check())
 589             {
 590                can_flap = false;
 591                falling_from_flap = true;
 592             }
 593          jumping = true;
 594          flapping = true;
 595          float iv = physic.get_velocity_x();
 596          float fv = 1.2;
 597          float cv = 0;
 598          if (iv < 0) {fv *= (-1);}
 599          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 600             {
 601                //FIXME: Changing directions while flapping doesn't work yet
 602                if (iv == 0) {cv = 0;}
 603                else {cv = (iv-((iv-fv)*(float)flapping_timer.get_gone()/TUX_FLAPPING_TIME));}
 604                physic.set_velocity_x(cv);
 605                physic.set_velocity_y((float)flapping_timer.get_gone()/700);
 606             }
 607      }
 608
 609    /* // Flapping, Ryan's version
 610    if (input.jump == DOWN && can_flap)
 611      {
 612          if (!flapping_timer.started())
 613             {
 614                flapping_timer.start(TUX_FLAPPING_TIME);
 615             }
 616          if (!flapping_timer.check())
 617             {
 618                can_flap = false;
 619                falling_from_flap = true;
 620             }
 621          jumping = true;
 622          flapping = true;
 623          if (flapping && flapping_timer.get_gone() <= TUX_FLAPPING_TIME
 624                 && physic.get_velocity_y() < 0)
 625             {
 626                float gravity = Sector::current()->gravity;
 627                float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
 628
 629                // XXX: magic numbers. should be a percent of gravity
 630                //      gravity is (by default) -0.1f
 631                physic.set_acceleration_y(.12 + .01f*xr);
 632
 633 #if 0
 634                // To slow down x-vel when flapping (not working)
 635                if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
 636                {
 637                    if (physic.get_velocity_x() < 0)
 638                        physic.set_acceleration_x(1.0f);
 639                    else if (physic.get_velocity_x() > 0)
 640                        physic.set_acceleration_x(-1.0f);
 641                }
 642 #endif
 643             }
 644      }
 645     else
 646      {
 647         physic.set_acceleration_y(0);
 648      }
 649    */
 650
 651    // Hover
 652    //(disabled by default, use cheat code "hover" to toggle on/off)
 653    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 654    if (enable_hover && input.jump == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 655       {
 656          physic.set_velocity_y(-1);
 657       }
 658
 659    /* In case the player has pressed Down while in a certain range of air,
 660       enable butt jump action */
 661   if (input.down == DOWN && !butt_jump && !duck)
 662     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 663       butt_jump = true;
 664
 665    /* When Down is not held anymore, disable butt jump */
 666   if(butt_jump && input.down == UP)
 667     butt_jump = false;
 668
 669   // Do butt jump
 670   if (butt_jump && on_ground() && size == BIG)
 671   {
 672     // Add a smoke cloud
 673     if (duck)
 674       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 675     else
 676       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 677
 678     butt_jump = false;
 679
 680     // Break bricks beneath Tux
 681     if(Sector::current()->trybreakbrick(
 682           Vector(base.x + 1, base.y + base.height), false)
 683         || Sector::current()->trybreakbrick(
 684            Vector(base.x + base.width - 1, base.y + base.height), false))
 685     {
 686       physic.set_velocity_y(2);
 687       butt_jump = true;
 688     }
 689
 690     // Kill nearby badguys
 691     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 692     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 693          i != gameobjects.end();
 694          i++)
 695     {
 696       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 697       if(badguy)
 698       {
 699         // don't kill when badguys are already dying or in a certain mode
 700         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 701            badguy->mode != BadGuy::BOMB_EXPLODE)
 702           {
 703             if (fabsf(base.x - badguy->base.x) < 150 &&
 704               fabsf(base.y - badguy->base.y) < 60 &&
 705               (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 706                issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 707               badguy->kill_me(25);
 708           }
 709       }
 710     }
 711   }
 712
 713   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 714         issolid(base.x + 1, base.y + base.height + 64) ||
 715         issolid(base.x + base.width - 1, base.y + base.height + 64))
 716        && jumping  == false
 717        && can_jump == false
 718        && input.jump == DOWN
 719        && input.old_jump == UP)
 720     {
 721       can_jump = true;
 722     }
 723
 724   if(on_ground())   /* Make sure jumping is off. */
 725     {
 726       jumping = false;
 727       flapping = false;
 728       falling_from_flap = false;
 729       if (flapping_timer.started()) {flapping_timer.stop();}
 730
 731       physic.set_acceleration_y(0); //for flapping
 732     }
 733
 734   input.old_jump = input.jump;
 735 }
 736
 737 void
 738 Player::handle_input()
 739 {
 740   /* Handle horizontal movement: */
 741     handle_horizontal_input();
 742
 743   /* Jump/jumping? */
 744
 745   if (on_ground() && input.jump == UP)
 746     can_jump = true;
 747   handle_vertical_input();
 748
 749   /* Shoot! */
 750   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 751     {
 752       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 753           physic.get_velocity_x(), dir))
 754         shooting_timer.start(SHOOTING_TIME);
 755       input.old_fire = DOWN;
 756     }
 757
 758   /* tux animations: */
 759   if(!frame_timer.check())
 760     {
 761       frame_timer.start(25);
 762       if (input.right == UP && input.left == UP)
 763         {
 764           frame_main = 1;
 765           frame_ = 1;
 766         }
 767       else
 768         {
 769           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 770               (global_frame_counter % 4) == 0)
 771             frame_main = (frame_main + 1) % 4;
 772
 773           frame_ = frame_main;
 774
 775           if (frame_ == 3)
 776             frame_ = 1;
 777         }
 778     }
 779
 780   /* Duck! */
 781   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 782     {
 783       duck = true;
 784       base.height = 32;
 785       base.y += 32;
 786       // changing base size confuses collision otherwise
 787       old_base = previous_base = base;
 788     }
 789   else if(input.down == UP && size == BIG && duck)
 790     {
 791       // try if we can really unduck
 792       base.y -= 32;
 793       base.height = 64;
 794       // when unducking in air we need some space to do so
 795       if(on_ground() || !collision_object_map(base)) {
 796         duck = false;
 797         // changing base size confuses collision otherwise
 798         old_base = previous_base = base;
 799       } else {
 800         // undo the ducking changes
 801         base.y += 32;
 802         base.height = 32;
 803       }
 804     }
 805 }
 806
 807 void
 808 Player::grow(bool animate)
 809 {
 810   if(size == BIG)
 811     return;
 812
 813   size = BIG;
 814   base.height = 64;
 815   base.y -= 32;
 816
 817   if(animate)
 818     growing_timer.start(GROWING_TIME);
 819
 820   old_base = previous_base = base;
 821 }
 822
 823 void
 824 Player::grabdistros()
 825 {
 826   /* Grab distros: */
 827   if (!dying)
 828     {
 829       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 830       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 831       Sector::current()->trygrabdistro(
 832           Vector(base.x, base.y + base.height), NO_BOUNCE);
 833       Sector::current()->trygrabdistro(
 834           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 835
 836       if(size == BIG)
 837         {
 838           Sector::current()->trygrabdistro(
 839               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 840           Sector::current()->trygrabdistro(
 841               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 842         }
 843
 844     }
 845
 846   /* Enough distros for a One-up? */
 847   if (player_status.distros >= DISTROS_LIFEUP)
 848     {
 849       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 850       if(player_status.lives < MAX_LIVES)
 851         ++player_status.lives;
 852       /*We want to hear the sound even, if MAX_LIVES is reached*/
 853       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 854     }
 855 }
 856
 857 void
 858 Player::draw(DrawingContext& context)
 859 {
 860   TuxBodyParts* tux_body;
 861
 862   if (size == SMALL)
 863     tux_body = small_tux;
 864   else if (got_power == FIRE_POWER)
 865     tux_body = fire_tux;
 866   else if (got_power == ICE_POWER)
 867     tux_body = ice_tux;
 868   else
 869     tux_body = big_tux;
 870
 871   int layer = LAYER_OBJECTS - 1;
 872   Vector pos = Vector(base.x, base.y);
 873
 874   /* Set Tux sprite action */
 875   if (duck && size == BIG)
 876     {
 877     if(dir == LEFT)
 878       tux_body->set_action("duck-left");
 879     else // dir == RIGHT
 880       tux_body->set_action("duck-right");
 881     }
 882   else if (skidding_timer.started())
 883     {
 884     if(dir == LEFT)
 885       tux_body->set_action("skid-left");
 886     else // dir == RIGHT
 887       tux_body->set_action("skid-right");
 888     }
 889   else if (kick_timer.started())
 890     {
 891     if(dir == LEFT)
 892       tux_body->set_action("kick-left");
 893     else // dir == RIGHT
 894       tux_body->set_action("kick-right");
 895     }
 896   else if (butt_jump)
 897     {
 898     if(dir == LEFT)
 899       tux_body->set_action("buttjump-left");
 900     else // dir == RIGHT
 901       tux_body->set_action("buttjump-right");
 902     }
 903   else if (physic.get_velocity_y() != 0)
 904     {
 905     if(dir == LEFT)
 906       tux_body->set_action("jump-left");
 907     else // dir == RIGHT
 908       tux_body->set_action("jump-right");
 909     }
 910   else
 911     {
 912     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 913       {
 914       if(dir == LEFT)
 915         tux_body->set_action("stand-left");
 916       else // dir == RIGHT
 917         tux_body->set_action("stand-right");
 918       }
 919     else // moving
 920       {
 921       if(dir == LEFT)
 922         tux_body->set_action("walk-left");
 923       else // dir == RIGHT
 924         tux_body->set_action("walk-right");
 925       }
 926     }
 927
 928   if(idle_timer.get_left() < 0)
 929     {
 930     if(size == BIG)
 931       {
 932       if(dir == LEFT)
 933         tux_body->head->set_action("idle-left");
 934       else // dir == RIGHT
 935         tux_body->head->set_action("idle-right");
 936
 937       tux_body->head->start_animation(1);
 938       }
 939
 940     idle_timer.start(IDLE_TIME);
 941     }
 942
 943   // Tux is holding something
 944   if ((holding_something && physic.get_velocity_y() == 0) ||
 945       shooting_timer.check())
 946     {
 947     if (duck)
 948       {
 949       if(dir == LEFT)
 950         tux_body->arms->set_action("duck+grab-left");
 951       else // dir == RIGHT
 952         tux_body->arms->set_action("duck+grab-right");
 953       }
 954     else
 955       {
 956       if(dir == LEFT)
 957         tux_body->arms->set_action("grab-left");
 958       else // dir == RIGHT
 959         tux_body->arms->set_action("grab-right");
 960       }
 961     }
 962
 963   /* Draw Tux */
 964   if (dying == DYING_SQUISHED)
 965     {
 966     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 967     }
 968   else if(growing_timer.check())
 969     {
 970     if(size == SMALL)
 971       {
 972       if (dir == RIGHT)
 973         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 974                  ((growing_timer.get_gone() *
 975                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 976       else
 977         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 978                 ((growing_timer.get_gone() *
 979                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 980       }
 981     else
 982       {
 983       if (dir == RIGHT)
 984         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 985                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 986       else
 987         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 988                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 989       }
 990     }
 991   else if (safe_timer.started() && global_frame_counter%2)
 992     ;  // don't draw Tux
 993   else
 994     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 995
 996   // Draw blinking star overlay
 997   if (invincible_timer.started() &&
 998      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
 999      && !dying)
1000   {
1001     if (size == SMALL || duck)
1002       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
1003     else
1004       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
1005   }
1006
1007   if (debug_mode)
1008     context.draw_filled_rect(Vector(base.x, base.y),
1009         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
1010 }
1011
1012 void
1013 Player::collision(const MovingObject& other, int collision_type)
1014 {
1015   (void) other;
1016   (void) collision_type;
1017   // will be implemented later
1018 }
1019
1020 void
1021 Player::collision(void* p_c_object, int c_object)
1022 {
1023   BadGuy* pbad_c = NULL;
1024   Trampoline* ptramp_c = NULL;
1025   FlyingPlatform* pplatform_c = NULL;
1026
1027   switch (c_object)
1028     {
1029     case CO_BADGUY:
1030       pbad_c = (BadGuy*) p_c_object;
1031
1032      /* Hurt player if he touches a badguy */
1033       if (!pbad_c->dying && !dying &&
1034           !safe_timer.started() &&
1035           pbad_c->mode != BadGuy::HELD)
1036         {
1037           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
1038                && !holding_something)
1039             {
1040               holding_something = true;
1041               pbad_c->mode = BadGuy::HELD;
1042               pbad_c->base.y-=8;
1043             }
1044           else if (pbad_c->mode == BadGuy::FLAT)
1045             {
1046               // Don't get hurt if we're kicking a flat badguy!
1047             }
1048           else if (pbad_c->mode == BadGuy::KICK)
1049             {
1050               /* Hurt if you get hit by kicked laptop: */
1051               if (!invincible_timer.started())
1052                 {
1053                   kill(SHRINK);
1054                 }
1055               else
1056                 pbad_c->kill_me(20);
1057             }
1058           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
1059               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
1060               || pbad_c->kind == BAD_SPIKY))
1061                 pbad_c->kill_me(20);
1062           else
1063             {
1064               if (!invincible_timer.started())
1065                 {
1066                   kill(SHRINK);
1067                 }
1068               else
1069                 {
1070                   pbad_c->kill_me(25);
1071                 }
1072             }
1073           player_status.score_multiplier++;
1074         }
1075       break;
1076
1077     case CO_TRAMPOLINE:
1078       ptramp_c = (Trampoline*) p_c_object;
1079
1080       // Pick up trampoline
1081       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
1082       {
1083         holding_something = true;
1084         ptramp_c->mode = Trampoline::M_HELD;
1085         ptramp_c->base.y -= 8;
1086       }
1087       // Set down trampoline
1088       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
1089       {
1090         holding_something = false;
1091         ptramp_c->mode = Trampoline::M_NORMAL;
1092         ptramp_c->base.y += 8;
1093         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1094
1095         //if (dir == RIGHT)
1096         //  ptramp_c->base.x = base.x + base.width+1;
1097         //else /* LEFT */
1098         //  ptramp_c->base.x = base.x - base.width-1;
1099       }
1100 /*
1101       // Don't let tux walk through trampoline
1102       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1103       {
1104         if (physic.get_velocity_x() > 0) // RIGHT
1105         {
1106           physic.set_velocity_x(0);
1107           base.x = ptramp_c->base.x - base.width;
1108         }
1109         else if (physic.get_velocity_x() < 0) // LEFT
1110         {
1111           physic.set_velocity_x(0);
1112           base.x = ptramp_c->base.x + ptramp_c->base.width;
1113         }
1114       }
1115 */
1116       break;
1117     case CO_FLYING_PLATFORM:
1118       pplatform_c = (FlyingPlatform*) p_c_object;
1119
1120       base.y = pplatform_c->base.y - base.height;
1121       physic.set_velocity_x(pplatform_c->get_vel_x());
1122
1123       physic.enable_gravity(false);
1124       can_jump = true;
1125       fall_mode = ON_GROUND;
1126       break;
1127
1128     default:
1129       break;
1130     }
1131
1132 }
1133
1134 /* Kill Player! */
1135
1136 void
1137 Player::kill(HurtMode mode)
1138 {
1139   if(dying)
1140     return;
1141
1142   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1143
1144   physic.set_velocity_x(0);
1145
1146   if (mode == SHRINK && size == BIG)
1147     {
1148       if (got_power != NONE_POWER)
1149         {
1150           safe_timer.start(TUX_SAFE_TIME);
1151           got_power = NONE_POWER;
1152         }
1153       else
1154         {
1155           growing_timer.start(GROWING_TIME);
1156           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1157           size = SMALL;
1158           base.height = 32;
1159           duck = false;
1160         }
1161     }
1162   else
1163     {
1164       physic.enable_gravity(true);
1165       physic.set_acceleration(0, 0);
1166       physic.set_velocity(0, 7);
1167       --player_status.lives;
1168       dying = DYING_SQUISHED;
1169       dying_timer.start(3000);
1170     }
1171 }
1172
1173 /* Remove Tux's power ups */
1174 void
1175 Player::remove_powerups()
1176 {
1177   got_power = NONE_POWER;
1178   size = SMALL;
1179   base.height = 32;
1180 }
1181
1182 void
1183 Player::move(const Vector& vector)
1184 {
1185   base.x = vector.x;
1186   base.y = vector.y;
1187   old_base = previous_base = base;
1188 }
1189
1190 void
1191 Player::check_bounds(Camera* camera)
1192 {
1193   /* Keep tux in bounds: */
1194   if (base.x < 0)
1195     { // Lock Tux to the size of the level, so that he doesn't fall of
1196       // on the left side
1197       base.x = 0;
1198     }
1199
1200   /* Keep in-bounds, vertically: */
1201   if (base.y > Sector::current()->solids->get_height() * 32)
1202     {
1203       kill(KILL);
1204       return;
1205     }
1206
1207   bool adjust = false;
1208   // can happen if back scrolling is disabled
1209   if(base.x < camera->get_translation().x) {
1210     base.x = camera->get_translation().x;
1211     adjust = true;
1212   }
1213   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1214     base.x = camera->get_translation().x + screen->w - base.width;
1215     adjust = true;
1216   }
1217
1218   if(adjust) {
1219     // squished now?
1220     if(collision_object_map(base)) {
1221       kill(KILL);
1222       return;
1223     }
1224   }
1225 }
1226
1227 void
1228 Player::bounce(BadGuy* badguy)
1229 {
1230   //Make sure we stopped flapping
1231   flapping = false;
1232   falling_from_flap = false;
1233
1234   if(player_status.score_multiplier >= 5)
1235     {  // show a message
1236     char str[124];
1237 //      if (player_status.score_multiplier <= 4) {sprintf(str, _("Combo x%d"), player_status.score_multiplier);}
1238       if (player_status.score_multiplier == 5)
1239         sprintf(str, _("Good! x%d"), player_status.score_multiplier);
1240       else if (player_status.score_multiplier == 6)
1241         sprintf(str, _("Great! x%d"), player_status.score_multiplier);
1242       else if (player_status.score_multiplier == 7)
1243         sprintf(str, _("Awesome! x%d"), player_status.score_multiplier);
1244       else if (player_status.score_multiplier == 8)
1245         sprintf(str, _("Incredible! x%d"), player_status.score_multiplier);
1246       else if (player_status.score_multiplier == 9)
1247         sprintf(str, _("Godlike! ;-) x%d"), player_status.score_multiplier);
1248       else
1249         sprintf(str, _("Unbelievable!! x%d"), player_status.score_multiplier);
1250     Sector::current()->add_floating_text(base, str);
1251     }
1252
1253   if (input.jump)
1254     physic.set_velocity_y(5.2);
1255   else
1256     physic.set_velocity_y(2);
1257
1258   // Move the player a little bit above the badguy to avoid collision
1259   // between badguy and player directly after the bounce has happend
1260   base.y = badguy->base.y - base.height - 2;
1261 }
1262
1263 /* EOF */
1264