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   flapping_velocity = 0;
 172
 173   frame_main = 0;
 174   frame_ = 0;
 175
 176   player_input_init(&input);
 177
 178   invincible_timer.init(true);
 179   skidding_timer.init(true);
 180   safe_timer.init(true);
 181   frame_timer.init(true);
 182   kick_timer.init(true);
 183   shooting_timer.init(true);
 184   growing_timer.init(true);
 185   idle_timer.init(true);
 186   flapping_timer.init(true);
 187
 188   physic.reset();
 189 }
 190
 191 int
 192 Player::key_event(SDLKey key, int state)
 193 {
 194   idle_timer.start(IDLE_TIME);
 195
 196   if(key == keymap.right)
 197     {
 198       input.right = state;
 199       return true;
 200     }
 201   else if(key == keymap.left)
 202     {
 203       input.left = state;
 204       return true;
 205     }
 206   else if(key == keymap.up)
 207     {
 208       input.up = state;
 209
 210       /* Up key also opens activates stuff */
 211       input.activate = state;
 212
 213       if(state == DOWN) {
 214         /** check for interactive objects */
 215         for(Sector::InteractiveObjects::iterator i
 216             = Sector::current()->interactive_objects.begin();
 217             i != Sector::current()->interactive_objects.end(); ++i) {
 218           if(rectcollision(base, (*i)->get_area())) {
 219             (*i)->interaction(INTERACTION_ACTIVATE);
 220           }
 221         }
 222       }
 223
 224       return true;
 225     }
 226   else if(key == keymap.down)
 227     {
 228       input.down = state;
 229       return true;
 230     }
 231   else if(key == keymap.power)
 232     {
 233       if (state == UP)
 234         input.old_fire = UP;
 235       input.fire = state;
 236
 237       return true;
 238     }
 239   else if(key == keymap.jump)
 240     {
 241       if (state == UP)
 242         input.old_jump = UP;
 243       input.jump = state;
 244       return true;
 245     }
 246   else
 247     return false;
 248 }
 249
 250 void
 251 Player::level_begin()
 252 {
 253   base.x  = 100;
 254   base.y  = 170;
 255   previous_base = old_base = base;
 256   duck = false;
 257
 258   dying = DYING_NOT;
 259
 260   player_input_init(&input);
 261
 262   invincible_timer.init(true);
 263   skidding_timer.init(true);
 264   safe_timer.init(true);
 265   frame_timer.init(true);
 266   growing_timer.init(true);
 267   idle_timer.init(true);
 268
 269   physic.reset();
 270 }
 271
 272 void
 273 Player::action(float elapsed_time)
 274 {
 275   bool jumped_in_solid = false;
 276
 277   if(dying && !dying_timer.check()) {
 278     dead = true;
 279     return;
 280   }
 281
 282   if (input.fire == UP)
 283     holding_something = false;
 284
 285   /* Move tux: */
 286   previous_base = base;
 287
 288   /* --- HANDLE TUX! --- */
 289   if(dying == DYING_NOT)
 290     handle_input();
 291
 292   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 293
 294   if(dying == DYING_NOT)
 295     {
 296       base_type target = base;
 297
 298       collision_swept_object_map(&old_base, &base);
 299
 300       if ((!invincible_timer.started() && !safe_timer.started())
 301           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 302           ||  isspike(base.x, base.y + base.height)
 303           ||  isspike(base.x + base.width, base.y + base.height)))
 304       {
 305          kill(SHRINK);
 306       }
 307
 308       // Don't accelerate Tux if he is running against a wall
 309       if (target.x != base.x)
 310         {
 311           physic.set_velocity_x(0);
 312         }
 313
 314       // special exception for cases where we're stuck under tiles after
 315       // being ducked. In this case we drift out
 316       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 317          && collision_object_map(base))
 318         {
 319           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 320           previous_base = old_base = base;
 321         }
 322
 323       // Land:
 324       if (!on_ground())
 325         {
 326           physic.enable_gravity(true);
 327           if(under_solid())
 328             {
 329               // fall down
 330               physic.set_velocity_y(0);
 331               jumped_in_solid = true;
 332               jumping = false;
 333               flapping = false;
 334             }
 335         }
 336       else
 337         {
 338           /* Land: */
 339           if (physic.get_velocity_y() < 0)
 340             {
 341               base.y = (int)(((int)base.y / 32) * 32);
 342               physic.set_velocity_y(0);
 343             }
 344
 345           physic.enable_gravity(false);
 346           /* Reset score multiplier (for multi-hits): */
 347           if (!invincible_timer.started())
 348             {
 349             /*if(player_status.score_multiplier > 2)
 350               {  // show a message
 351               char str[124];
 352               sprintf(str, _("%d bad guys in a row!"), player_status.score_multiplier-1);
 353               Sector::current()->add_floating_text(base, str);
 354               }*/
 355             player_status.score_multiplier = 1;
 356             }
 357         }
 358
 359       if(jumped_in_solid)
 360         {
 361           if (isbrick(base.x, base.y) ||
 362               isfullbox(base.x, base.y))
 363             {
 364               Sector::current()->trygrabdistro(
 365                   Vector(base.x, base.y - 32), BOUNCE);
 366               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 367
 368               Sector::current()->trybreakbrick(
 369                   Vector(base.x, base.y), size == SMALL);
 370
 371               bumpbrick(base.x, base.y);
 372               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 373             }
 374
 375           if (isbrick(base.x+ 31, base.y) ||
 376               isfullbox(base.x+ 31, base.y))
 377             {
 378               Sector::current()->trygrabdistro(
 379                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 380               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 381
 382               if(size == BIG)
 383                 Sector::current()->trybreakbrick(
 384                     Vector(base.x+ 31, base.y), size == SMALL);
 385
 386               bumpbrick(base.x+ 31, base.y);
 387               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 388             }
 389         }
 390
 391       grabdistros();
 392
 393       if (jumped_in_solid)
 394         {
 395           ++base.y;
 396           ++old_base.y;
 397           if(on_ground())
 398             {
 399               /* Make sure jumping is off. */
 400               jumping = false;
 401               flapping = false;
 402             }
 403         }
 404     }
 405
 406   /* ---- DONE HANDLING TUX! --- */
 407
 408   // check some timers
 409   skidding_timer.check();
 410   invincible_timer.check();
 411   safe_timer.check();
 412   kick_timer.check();
 413 }
 414
 415 bool
 416 Player::on_ground()
 417 {
 418   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 419            issolid(base.x + 1, base.y + base.height) ||
 420            issolid(base.x + base.width - 1, base.y + base.height));
 421 }
 422
 423 bool
 424 Player::under_solid()
 425 {
 426   return ( issolid(base.x + base.width / 2, base.y) ||
 427            issolid(base.x + 1, base.y) ||
 428            issolid(base.x + base.width - 1, base.y)  );
 429 }
 430
 431 bool
 432 Player::tiles_on_air(int tiles)
 433 {
 434   for(int t = 0; t != tiles; t++)
 435      {
 436      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 437          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 438          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 439        return false;
 440      }
 441   return true;
 442 }
 443
 444 void
 445 Player::handle_horizontal_input()
 446 {
 447   float vx = physic.get_velocity_x();
 448   float vy = physic.get_velocity_y();
 449   float ax = physic.get_acceleration_x();
 450   float ay = physic.get_acceleration_y();
 451
 452   float dirsign = 0;
 453   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 454       old_dir = dir;
 455       dir = LEFT;
 456       dirsign = -1;
 457   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 458       old_dir = dir;
 459       dir = RIGHT;
 460       dirsign = 1;
 461   }
 462
 463   if (input.fire == UP) {
 464       ax = dirsign * WALK_ACCELERATION_X;
 465       // limit speed
 466       if(vx >= MAX_WALK_XM && dirsign > 0) {
 467         vx = MAX_WALK_XM;
 468         ax = 0;
 469       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 470         vx = -MAX_WALK_XM;
 471         ax = 0;
 472       }
 473   } else {
 474       ax = dirsign * RUN_ACCELERATION_X;
 475       // limit speed
 476       if(vx >= MAX_RUN_XM && dirsign > 0) {
 477         vx = MAX_RUN_XM;
 478         ax = 0;
 479       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 480         vx = -MAX_RUN_XM;
 481         ax = 0;
 482       }
 483   }
 484
 485   // we can reach WALK_SPEED without any acceleration
 486   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 487     vx = dirsign * WALK_SPEED;
 488   }
 489
 490   // changing directions?
 491   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 492       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 493           skidding_timer.start(SKID_TIME);
 494           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 495           ax *= 2.5;
 496       } else {
 497           ax *= 2;
 498       }
 499   }
 500
 501   // we get slower when not pressing any keys
 502   if(dirsign == 0) {
 503       if(fabs(vx) < WALK_SPEED) {
 504           vx = 0;
 505           ax = 0;
 506       } else if(vx < 0) {
 507           ax = WALK_ACCELERATION_X * 1.5;
 508       } else {
 509           ax = WALK_ACCELERATION_X * -1.5;
 510       }
 511   }
 512
 513   // if we're on ice slow down acceleration or deceleration
 514   if (isice(base.x, base.y + base.height))
 515   {
 516     /* the acceleration/deceleration rate on ice is inversely proportional to
 517      * the current velocity.
 518      */
 519
 520     // increasing 1 will increase acceleration/deceleration rate
 521     // decreasing 1 will decrease acceleration/deceleration rate
 522     //  must stay above zero, though
 523     if (ax != 0) ax *= 1 / fabs(vx);
 524   }
 525
 526   physic.set_velocity(vx, vy);
 527   physic.set_acceleration(ax, ay);
 528 }
 529
 530 void
 531 Player::handle_vertical_input()
 532 {
 533
 534   // set fall mode...
 535   if(on_ground()) {
 536     fall_mode = ON_GROUND;
 537     last_ground_y = base.y;
 538   } else {
 539     if(base.y > last_ground_y)
 540       fall_mode = FALLING;
 541     else if(fall_mode == ON_GROUND)
 542       fall_mode = JUMPING;
 543   }
 544
 545   // Press jump key
 546   if(input.jump == DOWN && can_jump && on_ground())
 547     {
 548       if(duck) { // only jump a little bit when in duck mode {
 549         physic.set_velocity_y(3);
 550       } else {
 551         // jump higher if we are running
 552         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 553           physic.set_velocity_y(5.8);
 554         else
 555           physic.set_velocity_y(5.2);
 556       }
 557
 558       --base.y;
 559       jumping = true;
 560       flapping = false;
 561       can_jump = false;
 562       can_flap = false;
 563       if (size == SMALL)
 564         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 565       else
 566         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 567     }
 568   // Let go of jump key
 569   else if(input.jump == UP)
 570     {
 571       if (!flapping && !duck && !falling_from_flap && !on_ground())
 572          {
 573             can_flap = true;
 574          }
 575       if (jumping && physic.get_velocity_y() > 0)
 576          {
 577             jumping = false;
 578             physic.set_velocity_y(0);
 579          }
 580     }
 581
 582
 583    // Flapping, Marek's version
 584    if (input.jump == DOWN && can_flap)
 585      {
 586          if (!flapping_timer.started())
 587             {
 588                flapping_timer.start(TUX_FLAPPING_TIME);
 589                flapping_velocity = physic.get_velocity_x();
 590             }
 591          if (!flapping_timer.check())
 592             {
 593                can_flap = false;
 594                falling_from_flap = true;
 595             }
 596          jumping = true;
 597          flapping = true;
 598          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 599             {
 600                float cv;
 601                if (flapping_velocity == 0) {cv = 0;}
 602                else {cv = flapping_velocity*(sqrt(TUX_FLAPPING_TIME-(float)flapping_timer.get_gone()))/sqrt(TUX_FLAPPING_TIME);}
 603                //Handle change of direction while flapping
 604                if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {cv *= (-1);}
 605                physic.set_velocity_x(cv);
 606                physic.set_velocity_y((float)flapping_timer.get_gone()/850);
 607             }
 608      }
 609
 610    /* // Flapping, Ryan's version
 611    if (input.jump == DOWN && can_flap)
 612      {
 613          if (!flapping_timer.started())
 614             {
 615                flapping_timer.start(TUX_FLAPPING_TIME);
 616             }
 617          if (!flapping_timer.check())
 618             {
 619                can_flap = false;
 620                falling_from_flap = true;
 621             }
 622          jumping = true;
 623          flapping = true;
 624          if (flapping && flapping_timer.get_gone() <= TUX_FLAPPING_TIME
 625                 && physic.get_velocity_y() < 0)
 626             {
 627                float gravity = Sector::current()->gravity;
 628                float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
 629
 630                // XXX: magic numbers. should be a percent of gravity
 631                //      gravity is (by default) -0.1f
 632                physic.set_acceleration_y(.12 + .01f*xr);
 633
 634 #if 0
 635                // To slow down x-vel when flapping (not working)
 636                if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
 637                {
 638                    if (physic.get_velocity_x() < 0)
 639                        physic.set_acceleration_x(1.0f);
 640                    else if (physic.get_velocity_x() > 0)
 641                        physic.set_acceleration_x(-1.0f);
 642                }
 643 #endif
 644             }
 645      }
 646     else
 647      {
 648         physic.set_acceleration_y(0);
 649      }
 650    */
 651
 652    // Hover
 653    //(disabled by default, use cheat code "hover" to toggle on/off)
 654    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 655    if (enable_hover && input.jump == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 656       {
 657          physic.set_velocity_y(-1);
 658       }
 659
 660    /* In case the player has pressed Down while in a certain range of air,
 661       enable butt jump action */
 662   if (input.down == DOWN && !butt_jump && !duck)
 663     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 664       butt_jump = true;
 665
 666    /* When Down is not held anymore, disable butt jump */
 667   if(butt_jump && input.down == UP)
 668     butt_jump = false;
 669
 670   // Do butt jump
 671   if (butt_jump && on_ground() && size == BIG)
 672   {
 673     // Add a smoke cloud
 674     if (duck)
 675       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 676     else
 677       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 678
 679     butt_jump = false;
 680
 681     // Break bricks beneath Tux
 682     if(Sector::current()->trybreakbrick(
 683           Vector(base.x + 1, base.y + base.height), false)
 684         || Sector::current()->trybreakbrick(
 685            Vector(base.x + base.width - 1, base.y + base.height), false))
 686     {
 687       physic.set_velocity_y(2);
 688       butt_jump = true;
 689     }
 690
 691     // Kill nearby badguys
 692     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 693     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 694          i != gameobjects.end();
 695          i++)
 696     {
 697       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 698       if(badguy)
 699       {
 700         // don't kill when badguys are already dying or in a certain mode
 701         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 702            badguy->mode != BadGuy::BOMB_EXPLODE)
 703           {
 704             if (fabsf(base.x - badguy->base.x) < 150 &&
 705               fabsf(base.y - badguy->base.y) < 60 &&
 706               (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 707                issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 708               badguy->kill_me(25);
 709           }
 710       }
 711     }
 712   }
 713
 714   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 715         issolid(base.x + 1, base.y + base.height + 64) ||
 716         issolid(base.x + base.width - 1, base.y + base.height + 64))
 717        && jumping  == false
 718        && can_jump == false
 719        && input.jump == DOWN
 720        && input.old_jump == UP)
 721     {
 722       can_jump = true;
 723     }
 724
 725   if(on_ground())   /* Make sure jumping is off. */
 726     {
 727       jumping = false;
 728       flapping = false;
 729       falling_from_flap = false;
 730       if (flapping_timer.started()) {flapping_timer.stop();}
 731
 732       physic.set_acceleration_y(0); //for flapping
 733     }
 734
 735   input.old_jump = input.jump;
 736 }
 737
 738 void
 739 Player::handle_input()
 740 {
 741   /* Handle horizontal movement: */
 742     handle_horizontal_input();
 743
 744   /* Jump/jumping? */
 745
 746   if (on_ground() && input.jump == UP)
 747     can_jump = true;
 748   handle_vertical_input();
 749
 750   /* Shoot! */
 751   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 752     {
 753       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 754           physic.get_velocity_x(), dir))
 755         shooting_timer.start(SHOOTING_TIME);
 756       input.old_fire = DOWN;
 757     }
 758
 759   /* tux animations: */
 760   if(!frame_timer.check())
 761     {
 762       frame_timer.start(25);
 763       if (input.right == UP && input.left == UP)
 764         {
 765           frame_main = 1;
 766           frame_ = 1;
 767         }
 768       else
 769         {
 770           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 771               (global_frame_counter % 4) == 0)
 772             frame_main = (frame_main + 1) % 4;
 773
 774           frame_ = frame_main;
 775
 776           if (frame_ == 3)
 777             frame_ = 1;
 778         }
 779     }
 780
 781   /* Duck! */
 782   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 783     {
 784       duck = true;
 785       base.height = 32;
 786       base.y += 32;
 787       // changing base size confuses collision otherwise
 788       old_base = previous_base = base;
 789     }
 790   else if(input.down == UP && size == BIG && duck)
 791     {
 792       // try if we can really unduck
 793       base.y -= 32;
 794       base.height = 64;
 795       // when unducking in air we need some space to do so
 796       if(on_ground() || !collision_object_map(base)) {
 797         duck = false;
 798         // changing base size confuses collision otherwise
 799         old_base = previous_base = base;
 800       } else {
 801         // undo the ducking changes
 802         base.y += 32;
 803         base.height = 32;
 804       }
 805     }
 806 }
 807
 808 void
 809 Player::grow(bool animate)
 810 {
 811   if(size == BIG)
 812     return;
 813
 814   size = BIG;
 815   base.height = 64;
 816   base.y -= 32;
 817
 818   if(animate)
 819     growing_timer.start(GROWING_TIME);
 820
 821   old_base = previous_base = base;
 822 }
 823
 824 void
 825 Player::grabdistros()
 826 {
 827   /* Grab distros: */
 828   if (!dying)
 829     {
 830       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 831       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 832       Sector::current()->trygrabdistro(
 833           Vector(base.x, base.y + base.height), NO_BOUNCE);
 834       Sector::current()->trygrabdistro(
 835           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 836
 837       if(size == BIG)
 838         {
 839           Sector::current()->trygrabdistro(
 840               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 841           Sector::current()->trygrabdistro(
 842               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 843         }
 844
 845     }
 846
 847   /* Enough distros for a One-up? */
 848   if (player_status.distros >= DISTROS_LIFEUP)
 849     {
 850       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 851       if(player_status.lives < MAX_LIVES)
 852         ++player_status.lives;
 853       /*We want to hear the sound even, if MAX_LIVES is reached*/
 854       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 855     }
 856 }
 857
 858 void
 859 Player::draw(DrawingContext& context)
 860 {
 861   TuxBodyParts* tux_body;
 862
 863   if (size == SMALL)
 864     tux_body = small_tux;
 865   else if (got_power == FIRE_POWER)
 866     tux_body = fire_tux;
 867   else if (got_power == ICE_POWER)
 868     tux_body = ice_tux;
 869   else
 870     tux_body = big_tux;
 871
 872   int layer = LAYER_OBJECTS - 1;
 873   Vector pos = Vector(base.x, base.y);
 874
 875   /* Set Tux sprite action */
 876   if (duck && size == BIG)
 877     {
 878     if(dir == LEFT)
 879       tux_body->set_action("duck-left");
 880     else // dir == RIGHT
 881       tux_body->set_action("duck-right");
 882     }
 883   else if (skidding_timer.started())
 884     {
 885     if(dir == LEFT)
 886       tux_body->set_action("skid-left");
 887     else // dir == RIGHT
 888       tux_body->set_action("skid-right");
 889     }
 890   else if (kick_timer.started())
 891     {
 892     if(dir == LEFT)
 893       tux_body->set_action("kick-left");
 894     else // dir == RIGHT
 895       tux_body->set_action("kick-right");
 896     }
 897   else if (butt_jump)
 898     {
 899     if(dir == LEFT)
 900       tux_body->set_action("buttjump-left");
 901     else // dir == RIGHT
 902       tux_body->set_action("buttjump-right");
 903     }
 904   else if (physic.get_velocity_y() != 0)
 905     {
 906     if(dir == LEFT)
 907       tux_body->set_action("jump-left");
 908     else // dir == RIGHT
 909       tux_body->set_action("jump-right");
 910     }
 911   else
 912     {
 913     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 914       {
 915       if(dir == LEFT)
 916         tux_body->set_action("stand-left");
 917       else // dir == RIGHT
 918         tux_body->set_action("stand-right");
 919       }
 920     else // moving
 921       {
 922       if(dir == LEFT)
 923         tux_body->set_action("walk-left");
 924       else // dir == RIGHT
 925         tux_body->set_action("walk-right");
 926       }
 927     }
 928
 929   if(idle_timer.get_left() < 0)
 930     {
 931     if(size == BIG)
 932       {
 933       if(dir == LEFT)
 934         tux_body->head->set_action("idle-left");
 935       else // dir == RIGHT
 936         tux_body->head->set_action("idle-right");
 937
 938       tux_body->head->start_animation(1);
 939       }
 940
 941     idle_timer.start(IDLE_TIME);
 942     }
 943
 944   // Tux is holding something
 945   if ((holding_something && physic.get_velocity_y() == 0) ||
 946       shooting_timer.check())
 947     {
 948     if (duck)
 949       {
 950       if(dir == LEFT)
 951         tux_body->arms->set_action("duck+grab-left");
 952       else // dir == RIGHT
 953         tux_body->arms->set_action("duck+grab-right");
 954       }
 955     else
 956       {
 957       if(dir == LEFT)
 958         tux_body->arms->set_action("grab-left");
 959       else // dir == RIGHT
 960         tux_body->arms->set_action("grab-right");
 961       }
 962     }
 963
 964   /* Draw Tux */
 965   if (dying == DYING_SQUISHED)
 966     {
 967     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 968     }
 969   else if(growing_timer.check())
 970     {
 971     if(size == SMALL)
 972       {
 973       if (dir == RIGHT)
 974         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 975                  ((growing_timer.get_gone() *
 976                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 977       else
 978         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 979                 ((growing_timer.get_gone() *
 980                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 981       }
 982     else
 983       {
 984       if (dir == RIGHT)
 985         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 986                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 987       else
 988         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 989                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 990       }
 991     }
 992   else if (safe_timer.started() && global_frame_counter%2)
 993     ;  // don't draw Tux
 994   else
 995     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 996
 997   // Draw blinking star overlay
 998   if (invincible_timer.started() &&
 999      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
1000      && !dying)
1001   {
1002     if (size == SMALL || duck)
1003       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
1004     else
1005       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
1006   }
1007
1008   if (debug_mode)
1009     context.draw_filled_rect(Vector(base.x, base.y),
1010         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
1011 }
1012
1013 void
1014 Player::collision(const MovingObject& other, int collision_type)
1015 {
1016   (void) other;
1017   (void) collision_type;
1018   // will be implemented later
1019 }
1020
1021 void
1022 Player::collision(void* p_c_object, int c_object)
1023 {
1024   BadGuy* pbad_c = NULL;
1025   Trampoline* ptramp_c = NULL;
1026   FlyingPlatform* pplatform_c = NULL;
1027
1028   switch (c_object)
1029     {
1030     case CO_BADGUY:
1031       pbad_c = (BadGuy*) p_c_object;
1032
1033      /* Hurt player if he touches a badguy */
1034       if (!pbad_c->dying && !dying &&
1035           !safe_timer.started() &&
1036           pbad_c->mode != BadGuy::HELD)
1037         {
1038           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
1039                && !holding_something)
1040             {
1041               holding_something = true;
1042               pbad_c->mode = BadGuy::HELD;
1043               pbad_c->base.y-=8;
1044             }
1045           else if (pbad_c->mode == BadGuy::FLAT)
1046             {
1047               // Don't get hurt if we're kicking a flat badguy!
1048             }
1049           else if (pbad_c->mode == BadGuy::KICK)
1050             {
1051               /* Hurt if you get hit by kicked laptop: */
1052               if (!invincible_timer.started())
1053                 {
1054                   kill(SHRINK);
1055                 }
1056               else
1057                 pbad_c->kill_me(20);
1058             }
1059           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
1060               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
1061               || pbad_c->kind == BAD_SPIKY))
1062                 pbad_c->kill_me(20);
1063           else
1064             {
1065               if (!invincible_timer.started())
1066                 {
1067                   kill(SHRINK);
1068                 }
1069               else
1070                 {
1071                   pbad_c->kill_me(25);
1072                 }
1073             }
1074           player_status.score_multiplier++;
1075         }
1076       break;
1077
1078     case CO_TRAMPOLINE:
1079       ptramp_c = (Trampoline*) p_c_object;
1080
1081       // Pick up trampoline
1082       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
1083       {
1084         holding_something = true;
1085         ptramp_c->mode = Trampoline::M_HELD;
1086         ptramp_c->base.y -= 8;
1087       }
1088       // Set down trampoline
1089       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
1090       {
1091         holding_something = false;
1092         ptramp_c->mode = Trampoline::M_NORMAL;
1093         ptramp_c->base.y += 8;
1094         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1095
1096         //if (dir == RIGHT)
1097         //  ptramp_c->base.x = base.x + base.width+1;
1098         //else /* LEFT */
1099         //  ptramp_c->base.x = base.x - base.width-1;
1100       }
1101 /*
1102       // Don't let tux walk through trampoline
1103       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1104       {
1105         if (physic.get_velocity_x() > 0) // RIGHT
1106         {
1107           physic.set_velocity_x(0);
1108           base.x = ptramp_c->base.x - base.width;
1109         }
1110         else if (physic.get_velocity_x() < 0) // LEFT
1111         {
1112           physic.set_velocity_x(0);
1113           base.x = ptramp_c->base.x + ptramp_c->base.width;
1114         }
1115       }
1116 */
1117       break;
1118     case CO_FLYING_PLATFORM:
1119       pplatform_c = (FlyingPlatform*) p_c_object;
1120
1121       base.y = pplatform_c->base.y - base.height;
1122       physic.set_velocity_x(pplatform_c->get_vel_x());
1123
1124       physic.enable_gravity(false);
1125       can_jump = true;
1126       fall_mode = ON_GROUND;
1127       break;
1128
1129     default:
1130       break;
1131     }
1132
1133 }
1134
1135 /* Kill Player! */
1136
1137 void
1138 Player::kill(HurtMode mode)
1139 {
1140   if(dying)
1141     return;
1142
1143   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1144
1145   physic.set_velocity_x(0);
1146
1147   if (mode == SHRINK && size == BIG)
1148     {
1149       if (got_power != NONE_POWER)
1150         {
1151           safe_timer.start(TUX_SAFE_TIME);
1152           got_power = NONE_POWER;
1153         }
1154       else
1155         {
1156           growing_timer.start(GROWING_TIME);
1157           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1158           size = SMALL;
1159           base.height = 32;
1160           duck = false;
1161         }
1162     }
1163   else
1164     {
1165       physic.enable_gravity(true);
1166       physic.set_acceleration(0, 0);
1167       physic.set_velocity(0, 7);
1168       --player_status.lives;
1169       dying = DYING_SQUISHED;
1170       dying_timer.start(3000);
1171     }
1172 }
1173
1174 /* Remove Tux's power ups */
1175 void
1176 Player::remove_powerups()
1177 {
1178   got_power = NONE_POWER;
1179   size = SMALL;
1180   base.height = 32;
1181 }
1182
1183 void
1184 Player::move(const Vector& vector)
1185 {
1186   base.x = vector.x;
1187   base.y = vector.y;
1188   old_base = previous_base = base;
1189 }
1190
1191 void
1192 Player::check_bounds(Camera* camera)
1193 {
1194   /* Keep tux in bounds: */
1195   if (base.x < 0)
1196     { // Lock Tux to the size of the level, so that he doesn't fall of
1197       // on the left side
1198       base.x = 0;
1199     }
1200
1201   /* Keep in-bounds, vertically: */
1202   if (base.y > Sector::current()->solids->get_height() * 32)
1203     {
1204       kill(KILL);
1205       return;
1206     }
1207
1208   bool adjust = false;
1209   // can happen if back scrolling is disabled
1210   if(base.x < camera->get_translation().x) {
1211     base.x = camera->get_translation().x;
1212     adjust = true;
1213   }
1214   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1215     base.x = camera->get_translation().x + screen->w - base.width;
1216     adjust = true;
1217   }
1218
1219   if(adjust) {
1220     // squished now?
1221     if(collision_object_map(base)) {
1222       kill(KILL);
1223       return;
1224     }
1225   }
1226 }
1227
1228 void
1229 Player::bounce(BadGuy* badguy)
1230 {
1231   //Make sure we stopped flapping
1232   flapping = false;
1233   falling_from_flap = false;
1234
1235   if(player_status.score_multiplier >= 5)
1236     {  // show a message
1237     char str[124];
1238 //      if (player_status.score_multiplier <= 4) {sprintf(str, _("Combo x%d"), player_status.score_multiplier);}
1239       if (player_status.score_multiplier == 5)
1240         sprintf(str, _("Good! x%d"), player_status.score_multiplier);
1241       else if (player_status.score_multiplier == 6)
1242         sprintf(str, _("Great! x%d"), player_status.score_multiplier);
1243       else if (player_status.score_multiplier == 7)
1244         sprintf(str, _("Awesome! x%d"), player_status.score_multiplier);
1245       else if (player_status.score_multiplier == 8)
1246         sprintf(str, _("Incredible! x%d"), player_status.score_multiplier);
1247       else if (player_status.score_multiplier == 9)
1248         sprintf(str, _("Godlike! ;-) x%d"), player_status.score_multiplier);
1249       else
1250         sprintf(str, _("Unbelievable!! x%d"), player_status.score_multiplier);
1251     Sector::current()->add_floating_text(base, str);
1252     }
1253
1254   if (input.jump)
1255     physic.set_velocity_y(5.2);
1256   else
1257     physic.set_velocity_y(2);
1258
1259   // Move the player a little bit above the badguy to avoid collision
1260   // between badguy and player directly after the bounce has happend
1261   base.y = badguy->base.y - base.height - 2;
1262 }
1263
1264 /* EOF */
1265