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(); //flapping speed depends on initial velocity
 596          float fv = 1.2;                     //fixed velocity that is reached when flapping is done
 597          float cv = 0;                       //current velocity
 598          if (iv < 0) {fv *= (-1);}           //make fv negative or positive depending on direction of iv
 599          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 600             {
 601                //TODO: Tux currently slows down too fast; fix that.
 602                if (iv == 0) {cv = 0;}
 603                else {cv = (iv-((iv-fv)*(float)flapping_timer.get_gone()/TUX_FLAPPING_TIME));}
 604                //Handle change of direction while flapping
 605                if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {cv *= (-1);}
 606                physic.set_velocity_x(cv);
 607                physic.set_velocity_y((float)flapping_timer.get_gone()/700);
 608             }
 609      }
 610
 611    /* // Flapping, Ryan's version
 612    if (input.jump == DOWN && can_flap)
 613      {
 614          if (!flapping_timer.started())
 615             {
 616                flapping_timer.start(TUX_FLAPPING_TIME);
 617             }
 618          if (!flapping_timer.check())
 619             {
 620                can_flap = false;
 621                falling_from_flap = true;
 622             }
 623          jumping = true;
 624          flapping = true;
 625          if (flapping && flapping_timer.get_gone() <= TUX_FLAPPING_TIME
 626                 && physic.get_velocity_y() < 0)
 627             {
 628                float gravity = Sector::current()->gravity;
 629                float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
 630
 631                // XXX: magic numbers. should be a percent of gravity
 632                //      gravity is (by default) -0.1f
 633                physic.set_acceleration_y(.12 + .01f*xr);
 634
 635 #if 0
 636                // To slow down x-vel when flapping (not working)
 637                if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
 638                {
 639                    if (physic.get_velocity_x() < 0)
 640                        physic.set_acceleration_x(1.0f);
 641                    else if (physic.get_velocity_x() > 0)
 642                        physic.set_acceleration_x(-1.0f);
 643                }
 644 #endif
 645             }
 646      }
 647     else
 648      {
 649         physic.set_acceleration_y(0);
 650      }
 651    */
 652
 653    // Hover
 654    //(disabled by default, use cheat code "hover" to toggle on/off)
 655    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 656    if (enable_hover && input.jump == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 657       {
 658          physic.set_velocity_y(-1);
 659       }
 660
 661    /* In case the player has pressed Down while in a certain range of air,
 662       enable butt jump action */
 663   if (input.down == DOWN && !butt_jump && !duck)
 664     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 665       butt_jump = true;
 666
 667    /* When Down is not held anymore, disable butt jump */
 668   if(butt_jump && input.down == UP)
 669     butt_jump = false;
 670
 671   // Do butt jump
 672   if (butt_jump && on_ground() && size == BIG)
 673   {
 674     // Add a smoke cloud
 675     if (duck)
 676       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 677     else
 678       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 679
 680     butt_jump = false;
 681
 682     // Break bricks beneath Tux
 683     if(Sector::current()->trybreakbrick(
 684           Vector(base.x + 1, base.y + base.height), false)
 685         || Sector::current()->trybreakbrick(
 686            Vector(base.x + base.width - 1, base.y + base.height), false))
 687     {
 688       physic.set_velocity_y(2);
 689       butt_jump = true;
 690     }
 691
 692     // Kill nearby badguys
 693     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 694     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 695          i != gameobjects.end();
 696          i++)
 697     {
 698       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 699       if(badguy)
 700       {
 701         // don't kill when badguys are already dying or in a certain mode
 702         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 703            badguy->mode != BadGuy::BOMB_EXPLODE)
 704           {
 705             if (fabsf(base.x - badguy->base.x) < 150 &&
 706               fabsf(base.y - badguy->base.y) < 60 &&
 707               (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 708                issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 709               badguy->kill_me(25);
 710           }
 711       }
 712     }
 713   }
 714
 715   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 716         issolid(base.x + 1, base.y + base.height + 64) ||
 717         issolid(base.x + base.width - 1, base.y + base.height + 64))
 718        && jumping  == false
 719        && can_jump == false
 720        && input.jump == DOWN
 721        && input.old_jump == UP)
 722     {
 723       can_jump = true;
 724     }
 725
 726   if(on_ground())   /* Make sure jumping is off. */
 727     {
 728       jumping = false;
 729       flapping = false;
 730       falling_from_flap = false;
 731       if (flapping_timer.started()) {flapping_timer.stop();}
 732
 733       physic.set_acceleration_y(0); //for flapping
 734     }
 735
 736   input.old_jump = input.jump;
 737 }
 738
 739 void
 740 Player::handle_input()
 741 {
 742   /* Handle horizontal movement: */
 743     handle_horizontal_input();
 744
 745   /* Jump/jumping? */
 746
 747   if (on_ground() && input.jump == UP)
 748     can_jump = true;
 749   handle_vertical_input();
 750
 751   /* Shoot! */
 752   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 753     {
 754       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 755           physic.get_velocity_x(), dir))
 756         shooting_timer.start(SHOOTING_TIME);
 757       input.old_fire = DOWN;
 758     }
 759
 760   /* tux animations: */
 761   if(!frame_timer.check())
 762     {
 763       frame_timer.start(25);
 764       if (input.right == UP && input.left == UP)
 765         {
 766           frame_main = 1;
 767           frame_ = 1;
 768         }
 769       else
 770         {
 771           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 772               (global_frame_counter % 4) == 0)
 773             frame_main = (frame_main + 1) % 4;
 774
 775           frame_ = frame_main;
 776
 777           if (frame_ == 3)
 778             frame_ = 1;
 779         }
 780     }
 781
 782   /* Duck! */
 783   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 784     {
 785       duck = true;
 786       base.height = 32;
 787       base.y += 32;
 788       // changing base size confuses collision otherwise
 789       old_base = previous_base = base;
 790     }
 791   else if(input.down == UP && size == BIG && duck)
 792     {
 793       // try if we can really unduck
 794       base.y -= 32;
 795       base.height = 64;
 796       // when unducking in air we need some space to do so
 797       if(on_ground() || !collision_object_map(base)) {
 798         duck = false;
 799         // changing base size confuses collision otherwise
 800         old_base = previous_base = base;
 801       } else {
 802         // undo the ducking changes
 803         base.y += 32;
 804         base.height = 32;
 805       }
 806     }
 807 }
 808
 809 void
 810 Player::grow(bool animate)
 811 {
 812   if(size == BIG)
 813     return;
 814
 815   size = BIG;
 816   base.height = 64;
 817   base.y -= 32;
 818
 819   if(animate)
 820     growing_timer.start(GROWING_TIME);
 821
 822   old_base = previous_base = base;
 823 }
 824
 825 void
 826 Player::grabdistros()
 827 {
 828   /* Grab distros: */
 829   if (!dying)
 830     {
 831       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 832       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 833       Sector::current()->trygrabdistro(
 834           Vector(base.x, base.y + base.height), NO_BOUNCE);
 835       Sector::current()->trygrabdistro(
 836           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 837
 838       if(size == BIG)
 839         {
 840           Sector::current()->trygrabdistro(
 841               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 842           Sector::current()->trygrabdistro(
 843               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 844         }
 845
 846     }
 847
 848   /* Enough distros for a One-up? */
 849   if (player_status.distros >= DISTROS_LIFEUP)
 850     {
 851       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 852       if(player_status.lives < MAX_LIVES)
 853         ++player_status.lives;
 854       /*We want to hear the sound even, if MAX_LIVES is reached*/
 855       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 856     }
 857 }
 858
 859 void
 860 Player::draw(DrawingContext& context)
 861 {
 862   TuxBodyParts* tux_body;
 863
 864   if (size == SMALL)
 865     tux_body = small_tux;
 866   else if (got_power == FIRE_POWER)
 867     tux_body = fire_tux;
 868   else if (got_power == ICE_POWER)
 869     tux_body = ice_tux;
 870   else
 871     tux_body = big_tux;
 872
 873   int layer = LAYER_OBJECTS - 1;
 874   Vector pos = Vector(base.x, base.y);
 875
 876   /* Set Tux sprite action */
 877   if (duck && size == BIG)
 878     {
 879     if(dir == LEFT)
 880       tux_body->set_action("duck-left");
 881     else // dir == RIGHT
 882       tux_body->set_action("duck-right");
 883     }
 884   else if (skidding_timer.started())
 885     {
 886     if(dir == LEFT)
 887       tux_body->set_action("skid-left");
 888     else // dir == RIGHT
 889       tux_body->set_action("skid-right");
 890     }
 891   else if (kick_timer.started())
 892     {
 893     if(dir == LEFT)
 894       tux_body->set_action("kick-left");
 895     else // dir == RIGHT
 896       tux_body->set_action("kick-right");
 897     }
 898   else if (butt_jump)
 899     {
 900     if(dir == LEFT)
 901       tux_body->set_action("buttjump-left");
 902     else // dir == RIGHT
 903       tux_body->set_action("buttjump-right");
 904     }
 905   else if (physic.get_velocity_y() != 0)
 906     {
 907     if(dir == LEFT)
 908       tux_body->set_action("jump-left");
 909     else // dir == RIGHT
 910       tux_body->set_action("jump-right");
 911     }
 912   else
 913     {
 914     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 915       {
 916       if(dir == LEFT)
 917         tux_body->set_action("stand-left");
 918       else // dir == RIGHT
 919         tux_body->set_action("stand-right");
 920       }
 921     else // moving
 922       {
 923       if(dir == LEFT)
 924         tux_body->set_action("walk-left");
 925       else // dir == RIGHT
 926         tux_body->set_action("walk-right");
 927       }
 928     }
 929
 930   if(idle_timer.get_left() < 0)
 931     {
 932     if(size == BIG)
 933       {
 934       if(dir == LEFT)
 935         tux_body->head->set_action("idle-left");
 936       else // dir == RIGHT
 937         tux_body->head->set_action("idle-right");
 938
 939       tux_body->head->start_animation(1);
 940       }
 941
 942     idle_timer.start(IDLE_TIME);
 943     }
 944
 945   // Tux is holding something
 946   if ((holding_something && physic.get_velocity_y() == 0) ||
 947       shooting_timer.check())
 948     {
 949     if (duck)
 950       {
 951       if(dir == LEFT)
 952         tux_body->arms->set_action("duck+grab-left");
 953       else // dir == RIGHT
 954         tux_body->arms->set_action("duck+grab-right");
 955       }
 956     else
 957       {
 958       if(dir == LEFT)
 959         tux_body->arms->set_action("grab-left");
 960       else // dir == RIGHT
 961         tux_body->arms->set_action("grab-right");
 962       }
 963     }
 964
 965   /* Draw Tux */
 966   if (dying == DYING_SQUISHED)
 967     {
 968     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 969     }
 970   else if(growing_timer.check())
 971     {
 972     if(size == SMALL)
 973       {
 974       if (dir == RIGHT)
 975         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 976                  ((growing_timer.get_gone() *
 977                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 978       else
 979         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 980                 ((growing_timer.get_gone() *
 981                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 982       }
 983     else
 984       {
 985       if (dir == RIGHT)
 986         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 987                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 988       else
 989         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 990                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 991       }
 992     }
 993   else if (safe_timer.started() && global_frame_counter%2)
 994     ;  // don't draw Tux
 995   else
 996     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 997
 998   // Draw blinking star overlay
 999   if (invincible_timer.started() &&
1000      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
1001      && !dying)
1002   {
1003     if (size == SMALL || duck)
1004       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
1005     else
1006       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
1007   }
1008
1009   if (debug_mode)
1010     context.draw_filled_rect(Vector(base.x, base.y),
1011         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
1012 }
1013
1014 void
1015 Player::collision(const MovingObject& other, int collision_type)
1016 {
1017   (void) other;
1018   (void) collision_type;
1019   // will be implemented later
1020 }
1021
1022 void
1023 Player::collision(void* p_c_object, int c_object)
1024 {
1025   BadGuy* pbad_c = NULL;
1026   Trampoline* ptramp_c = NULL;
1027   FlyingPlatform* pplatform_c = NULL;
1028
1029   switch (c_object)
1030     {
1031     case CO_BADGUY:
1032       pbad_c = (BadGuy*) p_c_object;
1033
1034      /* Hurt player if he touches a badguy */
1035       if (!pbad_c->dying && !dying &&
1036           !safe_timer.started() &&
1037           pbad_c->mode != BadGuy::HELD)
1038         {
1039           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
1040                && !holding_something)
1041             {
1042               holding_something = true;
1043               pbad_c->mode = BadGuy::HELD;
1044               pbad_c->base.y-=8;
1045             }
1046           else if (pbad_c->mode == BadGuy::FLAT)
1047             {
1048               // Don't get hurt if we're kicking a flat badguy!
1049             }
1050           else if (pbad_c->mode == BadGuy::KICK)
1051             {
1052               /* Hurt if you get hit by kicked laptop: */
1053               if (!invincible_timer.started())
1054                 {
1055                   kill(SHRINK);
1056                 }
1057               else
1058                 pbad_c->kill_me(20);
1059             }
1060           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
1061               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
1062               || pbad_c->kind == BAD_SPIKY))
1063                 pbad_c->kill_me(20);
1064           else
1065             {
1066               if (!invincible_timer.started())
1067                 {
1068                   kill(SHRINK);
1069                 }
1070               else
1071                 {
1072                   pbad_c->kill_me(25);
1073                 }
1074             }
1075           player_status.score_multiplier++;
1076         }
1077       break;
1078
1079     case CO_TRAMPOLINE:
1080       ptramp_c = (Trampoline*) p_c_object;
1081
1082       // Pick up trampoline
1083       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
1084       {
1085         holding_something = true;
1086         ptramp_c->mode = Trampoline::M_HELD;
1087         ptramp_c->base.y -= 8;
1088       }
1089       // Set down trampoline
1090       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
1091       {
1092         holding_something = false;
1093         ptramp_c->mode = Trampoline::M_NORMAL;
1094         ptramp_c->base.y += 8;
1095         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1096
1097         //if (dir == RIGHT)
1098         //  ptramp_c->base.x = base.x + base.width+1;
1099         //else /* LEFT */
1100         //  ptramp_c->base.x = base.x - base.width-1;
1101       }
1102 /*
1103       // Don't let tux walk through trampoline
1104       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1105       {
1106         if (physic.get_velocity_x() > 0) // RIGHT
1107         {
1108           physic.set_velocity_x(0);
1109           base.x = ptramp_c->base.x - base.width;
1110         }
1111         else if (physic.get_velocity_x() < 0) // LEFT
1112         {
1113           physic.set_velocity_x(0);
1114           base.x = ptramp_c->base.x + ptramp_c->base.width;
1115         }
1116       }
1117 */
1118       break;
1119     case CO_FLYING_PLATFORM:
1120       pplatform_c = (FlyingPlatform*) p_c_object;
1121
1122       base.y = pplatform_c->base.y - base.height;
1123       physic.set_velocity_x(pplatform_c->get_vel_x());
1124
1125       physic.enable_gravity(false);
1126       can_jump = true;
1127       fall_mode = ON_GROUND;
1128       break;
1129
1130     default:
1131       break;
1132     }
1133
1134 }
1135
1136 /* Kill Player! */
1137
1138 void
1139 Player::kill(HurtMode mode)
1140 {
1141   if(dying)
1142     return;
1143
1144   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1145
1146   physic.set_velocity_x(0);
1147
1148   if (mode == SHRINK && size == BIG)
1149     {
1150       if (got_power != NONE_POWER)
1151         {
1152           safe_timer.start(TUX_SAFE_TIME);
1153           got_power = NONE_POWER;
1154         }
1155       else
1156         {
1157           growing_timer.start(GROWING_TIME);
1158           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1159           size = SMALL;
1160           base.height = 32;
1161           duck = false;
1162         }
1163     }
1164   else
1165     {
1166       physic.enable_gravity(true);
1167       physic.set_acceleration(0, 0);
1168       physic.set_velocity(0, 7);
1169       --player_status.lives;
1170       dying = DYING_SQUISHED;
1171       dying_timer.start(3000);
1172     }
1173 }
1174
1175 /* Remove Tux's power ups */
1176 void
1177 Player::remove_powerups()
1178 {
1179   got_power = NONE_POWER;
1180   size = SMALL;
1181   base.height = 32;
1182 }
1183
1184 void
1185 Player::move(const Vector& vector)
1186 {
1187   base.x = vector.x;
1188   base.y = vector.y;
1189   old_base = previous_base = base;
1190 }
1191
1192 void
1193 Player::check_bounds(Camera* camera)
1194 {
1195   /* Keep tux in bounds: */
1196   if (base.x < 0)
1197     { // Lock Tux to the size of the level, so that he doesn't fall of
1198       // on the left side
1199       base.x = 0;
1200     }
1201
1202   /* Keep in-bounds, vertically: */
1203   if (base.y > Sector::current()->solids->get_height() * 32)
1204     {
1205       kill(KILL);
1206       return;
1207     }
1208
1209   bool adjust = false;
1210   // can happen if back scrolling is disabled
1211   if(base.x < camera->get_translation().x) {
1212     base.x = camera->get_translation().x;
1213     adjust = true;
1214   }
1215   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1216     base.x = camera->get_translation().x + screen->w - base.width;
1217     adjust = true;
1218   }
1219
1220   if(adjust) {
1221     // squished now?
1222     if(collision_object_map(base)) {
1223       kill(KILL);
1224       return;
1225     }
1226   }
1227 }
1228
1229 void
1230 Player::bounce(BadGuy* badguy)
1231 {
1232   //Make sure we stopped flapping
1233   flapping = false;
1234   falling_from_flap = false;
1235
1236   if(player_status.score_multiplier >= 5)
1237     {  // show a message
1238     char str[124];
1239 //      if (player_status.score_multiplier <= 4) {sprintf(str, _("Combo x%d"), player_status.score_multiplier);}
1240       if (player_status.score_multiplier == 5)
1241         sprintf(str, _("Good! x%d"), player_status.score_multiplier);
1242       else if (player_status.score_multiplier == 6)
1243         sprintf(str, _("Great! x%d"), player_status.score_multiplier);
1244       else if (player_status.score_multiplier == 7)
1245         sprintf(str, _("Awesome! x%d"), player_status.score_multiplier);
1246       else if (player_status.score_multiplier == 8)
1247         sprintf(str, _("Incredible! x%d"), player_status.score_multiplier);
1248       else if (player_status.score_multiplier == 9)
1249         sprintf(str, _("Godlike! ;-) x%d"), player_status.score_multiplier);
1250       else
1251         sprintf(str, _("Unbelievable!! x%d"), player_status.score_multiplier);
1252     Sector::current()->add_floating_text(base, str);
1253     }
1254
1255   if (input.jump)
1256     physic.set_velocity_y(5.2);
1257   else
1258     physic.set_velocity_y(2);
1259
1260   // Move the player a little bit above the badguy to avoid collision
1261   // between badguy and player directly after the bounce has happend
1262   base.y = badguy->base.y - base.height - 2;
1263 }
1264
1265 /* EOF */
1266