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   // temporary to help player's choosing a flapping
 174   int flapping_mode = MAREK_FLAP;
 175
 176   // Ricardo's flapping
 177   flaps_nb = 0;
 178
 179   frame_main = 0;
 180   frame_ = 0;
 181
 182   player_input_init(&input);
 183
 184   invincible_timer.init(true);
 185   skidding_timer.init(true);
 186   safe_timer.init(true);
 187   frame_timer.init(true);
 188   kick_timer.init(true);
 189   shooting_timer.init(true);
 190   growing_timer.init(true);
 191   idle_timer.init(true);
 192   flapping_timer.init(true);
 193
 194   physic.reset();
 195 }
 196
 197 int
 198 Player::key_event(SDLKey key, int state)
 199 {
 200   idle_timer.start(IDLE_TIME);
 201
 202   if(key == keymap.right)
 203     {
 204       input.right = state;
 205       return true;
 206     }
 207   else if(key == keymap.left)
 208     {
 209       input.left = state;
 210       return true;
 211     }
 212   else if(key == keymap.up)
 213     {
 214       input.up = state;
 215
 216       /* Up key also opens activates stuff */
 217       input.activate = state;
 218
 219       if(state == DOWN) {
 220         /** check for interactive objects */
 221         for(Sector::InteractiveObjects::iterator i
 222             = Sector::current()->interactive_objects.begin();
 223             i != Sector::current()->interactive_objects.end(); ++i) {
 224           if(rectcollision(base, (*i)->get_area())) {
 225             (*i)->interaction(INTERACTION_ACTIVATE);
 226           }
 227         }
 228       }
 229
 230       return true;
 231     }
 232   else if(key == keymap.down)
 233     {
 234       input.down = state;
 235       return true;
 236     }
 237   else if(key == keymap.power)
 238     {
 239       if (state == UP)
 240         input.old_fire = UP;
 241       input.fire = state;
 242
 243       return true;
 244     }
 245   else if(key == keymap.jump)
 246     {
 247       if (state == UP)
 248         input.old_jump = UP;
 249       input.jump = state;
 250       return true;
 251     }
 252   else
 253     return false;
 254 }
 255
 256 void
 257 Player::level_begin()
 258 {
 259   base.x  = 100;
 260   base.y  = 170;
 261   previous_base = old_base = base;
 262   duck = false;
 263
 264   dying = DYING_NOT;
 265
 266   player_input_init(&input);
 267
 268   invincible_timer.init(true);
 269   skidding_timer.init(true);
 270   safe_timer.init(true);
 271   frame_timer.init(true);
 272   growing_timer.init(true);
 273   idle_timer.init(true);
 274
 275   physic.reset();
 276 }
 277
 278 void
 279 Player::action(float elapsed_time)
 280 {
 281   bool jumped_in_solid = false;
 282
 283   if(dying && !dying_timer.check()) {
 284     dead = true;
 285     return;
 286   }
 287
 288   if (input.fire == UP)
 289     holding_something = false;
 290
 291   /* Move tux: */
 292   previous_base = base;
 293
 294   /* --- HANDLE TUX! --- */
 295   if(dying == DYING_NOT)
 296     handle_input();
 297
 298   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 299
 300   if(dying == DYING_NOT)
 301     {
 302       base_type target = base;
 303
 304       collision_swept_object_map(&old_base, &base);
 305
 306       if ((!invincible_timer.started() && !safe_timer.started())
 307           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 308           ||  isspike(base.x, base.y + base.height)
 309           ||  isspike(base.x + base.width, base.y + base.height)))
 310       {
 311          kill(SHRINK);
 312       }
 313
 314       // Don't accelerate Tux if he is running against a wall
 315       if (target.x != base.x)
 316         {
 317           physic.set_velocity_x(0);
 318         }
 319
 320       // special exception for cases where we're stuck under tiles after
 321       // being ducked. In this case we drift out
 322       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 323          && collision_object_map(base))
 324         {
 325           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 326           previous_base = old_base = base;
 327         }
 328
 329       // Land:
 330       if (!on_ground())
 331         {
 332           physic.enable_gravity(true);
 333           if(under_solid())
 334             {
 335               // fall down
 336               physic.set_velocity_y(0);
 337               jumped_in_solid = true;
 338               jumping = false;
 339               flapping = false;
 340             }
 341         }
 342       else
 343         {
 344           /* Land: */
 345           if (physic.get_velocity_y() < 0)
 346             {
 347               base.y = (int)(((int)base.y / 32) * 32);
 348               physic.set_velocity_y(0);
 349             }
 350
 351           physic.enable_gravity(false);
 352           /* Reset score multiplier (for multi-hits): */
 353           if (!invincible_timer.started())
 354             {
 355             if(player_status.score_multiplier > player_status.max_score_multiplier)
 356               {
 357               player_status.max_score_multiplier = player_status.score_multiplier;
 358
 359               // show a message
 360               char str[124];
 361               sprintf(str, _("New max combo: %d"), player_status.max_score_multiplier-1);
 362               Sector::current()->add_floating_text(base, str);
 363               }
 364             player_status.score_multiplier = 1;
 365             }
 366         }
 367
 368       if(jumped_in_solid)
 369         {
 370           if (isbrick(base.x, base.y) ||
 371               isfullbox(base.x, base.y))
 372             {
 373               Sector::current()->trygrabdistro(
 374                   Vector(base.x, base.y - 32), BOUNCE);
 375               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 376
 377               Sector::current()->trybreakbrick(
 378                   Vector(base.x, base.y), size == SMALL);
 379
 380               bumpbrick(base.x, base.y);
 381               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 382             }
 383
 384           if (isbrick(base.x+ 31, base.y) ||
 385               isfullbox(base.x+ 31, base.y))
 386             {
 387               Sector::current()->trygrabdistro(
 388                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 389               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 390
 391               if(size == BIG)
 392                 Sector::current()->trybreakbrick(
 393                     Vector(base.x+ 31, base.y), size == SMALL);
 394
 395               bumpbrick(base.x+ 31, base.y);
 396               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 397             }
 398         }
 399
 400       grabdistros();
 401
 402       if (jumped_in_solid)
 403         {
 404           ++base.y;
 405           ++old_base.y;
 406           if(on_ground())
 407             {
 408               /* Make sure jumping is off. */
 409               jumping = false;
 410               flapping = false;
 411             }
 412         }
 413     }
 414
 415   /* ---- DONE HANDLING TUX! --- */
 416
 417   // check some timers
 418   skidding_timer.check();
 419   invincible_timer.check();
 420   safe_timer.check();
 421   kick_timer.check();
 422 }
 423
 424 bool
 425 Player::on_ground()
 426 {
 427   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 428            issolid(base.x + 1, base.y + base.height) ||
 429            issolid(base.x + base.width - 1, base.y + base.height));
 430 }
 431
 432 bool
 433 Player::under_solid()
 434 {
 435   return ( issolid(base.x + base.width / 2, base.y) ||
 436            issolid(base.x + 1, base.y) ||
 437            issolid(base.x + base.width - 1, base.y)  );
 438 }
 439
 440 bool
 441 Player::tiles_on_air(int tiles)
 442 {
 443   for(int t = 0; t != tiles; t++)
 444      {
 445      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 446          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 447          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 448        return false;
 449      }
 450   return true;
 451 }
 452
 453 void
 454 Player::handle_horizontal_input()
 455 {
 456   float vx = physic.get_velocity_x();
 457   float vy = physic.get_velocity_y();
 458   float ax = physic.get_acceleration_x();
 459   float ay = physic.get_acceleration_y();
 460
 461   float dirsign = 0;
 462   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 463       old_dir = dir;
 464       dir = LEFT;
 465       dirsign = -1;
 466   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 467       old_dir = dir;
 468       dir = RIGHT;
 469       dirsign = 1;
 470   }
 471
 472   if (input.fire == UP) {
 473       ax = dirsign * WALK_ACCELERATION_X;
 474       // limit speed
 475       if(vx >= MAX_WALK_XM && dirsign > 0) {
 476         vx = MAX_WALK_XM;
 477         ax = 0;
 478       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 479         vx = -MAX_WALK_XM;
 480         ax = 0;
 481       }
 482   } else {
 483       ax = dirsign * RUN_ACCELERATION_X;
 484       // limit speed
 485       if(vx >= MAX_RUN_XM && dirsign > 0) {
 486         vx = MAX_RUN_XM;
 487         ax = 0;
 488       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 489         vx = -MAX_RUN_XM;
 490         ax = 0;
 491       }
 492   }
 493
 494   // we can reach WALK_SPEED without any acceleration
 495   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 496     vx = dirsign * WALK_SPEED;
 497   }
 498
 499   // changing directions?
 500   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0)))
 501     {
 502       // let's skid!
 503       if(fabs(vx)>SKID_XM && !skidding_timer.check())
 504         {
 505           skidding_timer.start(SKID_TIME);
 506           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 507           // dust some partcles
 508           Sector::current()->add_particles(
 509               Vector(base.x + (dir == RIGHT ? base.width : 0), base.y+base.height),
 510               dir == RIGHT ? 270+20 : 90-40, dir == RIGHT ? 270+40 : 90-20,
 511               Vector(2.8,-2.6), Vector(0,0.030), 3, Color(100,100,100), 3, 800,
 512               LAYER_OBJECTS+1);
 513
 514           ax *= 2.5;
 515         }
 516       else
 517         {
 518           ax *= 2;
 519         }
 520     }
 521
 522   // we get slower when not pressing any keys
 523   if(dirsign == 0) {
 524       if(fabs(vx) < WALK_SPEED) {
 525           vx = 0;
 526           ax = 0;
 527       } else if(vx < 0) {
 528           ax = WALK_ACCELERATION_X * 1.5;
 529       } else {
 530           ax = WALK_ACCELERATION_X * -1.5;
 531       }
 532   }
 533
 534   // if we're on ice slow down acceleration or deceleration
 535   if (isice(base.x, base.y + base.height))
 536   {
 537     /* the acceleration/deceleration rate on ice is inversely proportional to
 538      * the current velocity.
 539      */
 540
 541     // increasing 1 will increase acceleration/deceleration rate
 542     // decreasing 1 will decrease acceleration/deceleration rate
 543     //  must stay above zero, though
 544     if (ax != 0) ax *= 1 / fabs(vx);
 545   }
 546
 547   physic.set_velocity(vx, vy);
 548   physic.set_acceleration(ax, ay);
 549 }
 550
 551 void
 552 Player::handle_vertical_input()
 553 {
 554
 555   // set fall mode...
 556   if(on_ground()) {
 557     fall_mode = ON_GROUND;
 558     last_ground_y = base.y;
 559   } else {
 560     if(base.y > last_ground_y)
 561       fall_mode = FALLING;
 562     else if(fall_mode == ON_GROUND)
 563       fall_mode = JUMPING;
 564   }
 565
 566   // Press jump key
 567   if(input.jump == DOWN && can_jump && on_ground())
 568     {
 569       if(duck) { // only jump a little bit when in duck mode {
 570         physic.set_velocity_y(3);
 571       } else {
 572         // jump higher if we are running
 573         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 574           physic.set_velocity_y(5.8);
 575         else
 576           physic.set_velocity_y(5.2);
 577       }
 578
 579       --base.y;
 580       jumping = true;
 581       flapping = false;
 582       can_jump = false;
 583       can_flap = false;
 584       flaps_nb = 0; // Ricardo's flapping
 585       if (size == SMALL)
 586         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 587       else
 588         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 589     }
 590   // Let go of jump key
 591   else if(input.jump == UP)
 592     {
 593       if (!flapping && !duck && !falling_from_flap && !on_ground())
 594          {
 595             can_flap = true;
 596          }
 597       if (jumping && physic.get_velocity_y() > 0)
 598          {
 599             jumping = false;
 600             physic.set_velocity_y(0);
 601          }
 602     }
 603
 604  // temporary to help player's choosing a flapping
 605  if(flapping_mode == RICARDO_FLAP)
 606    {
 607    // Flapping, Ricardo's version
 608    // similar to SM3 Fox
 609    if(input.jump == DOWN && input.old_jump == UP && can_flap &&
 610      flaps_nb < 3)
 611      {
 612        physic.set_velocity_y(3.5);
 613        physic.set_velocity_x(physic.get_velocity_x() * 0.35);
 614        flaps_nb++;
 615      }
 616    }
 617   else if(flapping_mode == MAREK_FLAP)
 618    {
 619    // Flapping, Marek's version
 620    if (input.jump == DOWN && can_flap)
 621      {
 622          if (!flapping_timer.started())
 623             {
 624                flapping_timer.start(TUX_FLAPPING_TIME);
 625                flapping_velocity = physic.get_velocity_x();
 626             }
 627          if (!flapping_timer.check())
 628             {
 629                can_flap = false;
 630                falling_from_flap = true;
 631             }
 632          jumping = true;
 633          flapping = true;
 634          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 635             {
 636                float cv;
 637                if (flapping_velocity == 0) {cv = 0;}
 638                else {cv = flapping_velocity*(sqrt(TUX_FLAPPING_TIME-(float)flapping_timer.get_gone()))/sqrt(TUX_FLAPPING_TIME);}
 639                //Handle change of direction while flapping
 640                if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {cv *= (-1);}
 641                physic.set_velocity_x(cv);
 642                physic.set_velocity_y((float)flapping_timer.get_gone()/850);
 643             }
 644      }
 645    }
 646   else if(flapping_mode == RYAN_FLAP)
 647    {
 648    // Flapping, Ryan's version
 649    if (input.jump == DOWN && can_flap)
 650      {
 651          if (!flapping_timer.started())
 652             {
 653                flapping_timer.start(TUX_FLAPPING_TIME);
 654             }
 655          if (!flapping_timer.check())
 656             {
 657                can_flap = false;
 658                falling_from_flap = true;
 659             }
 660          jumping = true;
 661          flapping = true;
 662          if (flapping && flapping_timer.get_gone() <= TUX_FLAPPING_TIME
 663                 && physic.get_velocity_y() < 0)
 664             {
 665                float gravity = Sector::current()->gravity;
 666                float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
 667
 668                // XXX: magic numbers. should be a percent of gravity
 669                //      gravity is (by default) -0.1f
 670                physic.set_acceleration_y(.12 + .01f*xr);
 671
 672 #if 0
 673                // To slow down x-vel when flapping (not working)
 674                if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
 675                {
 676                    if (physic.get_velocity_x() < 0)
 677                        physic.set_acceleration_x(1.0f);
 678                    else if (physic.get_velocity_x() > 0)
 679                        physic.set_acceleration_x(-1.0f);
 680                }
 681 #endif
 682             }
 683      }
 684     else
 685      {
 686         physic.set_acceleration_y(0);
 687      }
 688    }
 689
 690
 691    // Hover
 692    //(disabled by default, use cheat code "hover" to toggle on/off)
 693    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 694    if (enable_hover && input.jump == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 695       {
 696          physic.set_velocity_y(-1);
 697       }
 698
 699    /* In case the player has pressed Down while in a certain range of air,
 700       enable butt jump action */
 701   if (input.down == DOWN && !butt_jump && !duck)
 702     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 703       butt_jump = true;
 704
 705    /* When Down is not held anymore, disable butt jump */
 706   if(butt_jump && input.down == UP)
 707     butt_jump = false;
 708
 709   // Do butt jump
 710   if (butt_jump && on_ground() && size == BIG)
 711   {
 712     // Add a smoke cloud
 713     if (duck)
 714       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 715     else
 716       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 717
 718     butt_jump = false;
 719
 720     // Break bricks beneath Tux
 721     if(Sector::current()->trybreakbrick(
 722           Vector(base.x + 1, base.y + base.height), false)
 723         || Sector::current()->trybreakbrick(
 724            Vector(base.x + base.width - 1, base.y + base.height), false))
 725     {
 726       physic.set_velocity_y(2);
 727       butt_jump = true;
 728     }
 729
 730     // Kill nearby badguys
 731     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 732     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 733          i != gameobjects.end();
 734          i++)
 735     {
 736       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 737       if(badguy)
 738       {
 739         // don't kill when badguys are already dying or in a certain mode
 740         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 741            badguy->mode != BadGuy::BOMB_EXPLODE)
 742           {
 743             if (fabsf(base.x - badguy->base.x) < 96 &&
 744                 fabsf(base.y - badguy->base.y) < 64)
 745               badguy->kill_me(25);
 746           }
 747       }
 748     }
 749   }
 750
 751   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 752         issolid(base.x + 1, base.y + base.height + 64) ||
 753         issolid(base.x + base.width - 1, base.y + base.height + 64))
 754        && jumping  == false
 755        && can_jump == false
 756        && input.jump == DOWN
 757        && input.old_jump == UP)
 758     {
 759       can_jump = true;
 760     }
 761
 762   if(on_ground())   /* Make sure jumping is off. */
 763     {
 764       jumping = false;
 765       flapping = false;
 766       falling_from_flap = false;
 767       if (flapping_timer.started()) {flapping_timer.stop();}
 768
 769       physic.set_acceleration_y(0); //for flapping
 770     }
 771
 772   input.old_jump = input.jump;
 773 }
 774
 775 void
 776 Player::handle_input()
 777 {
 778   /* Handle horizontal movement: */
 779     handle_horizontal_input();
 780
 781   /* Jump/jumping? */
 782
 783   if (on_ground() && input.jump == UP)
 784     can_jump = true;
 785   handle_vertical_input();
 786
 787   /* Shoot! */
 788   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 789     {
 790       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 791           physic.get_velocity_x(), dir))
 792         shooting_timer.start(SHOOTING_TIME);
 793       input.old_fire = DOWN;
 794     }
 795
 796   /* tux animations: */
 797   if(!frame_timer.check())
 798     {
 799       frame_timer.start(25);
 800       if (input.right == UP && input.left == UP)
 801         {
 802           frame_main = 1;
 803           frame_ = 1;
 804         }
 805       else
 806         {
 807           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 808               (global_frame_counter % 4) == 0)
 809             frame_main = (frame_main + 1) % 4;
 810
 811           frame_ = frame_main;
 812
 813           if (frame_ == 3)
 814             frame_ = 1;
 815         }
 816     }
 817
 818   /* Duck! */
 819   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 820     {
 821       duck = true;
 822       base.height = 32;
 823       base.y += 32;
 824       // changing base size confuses collision otherwise
 825       old_base = previous_base = base;
 826     }
 827   else if(input.down == UP && size == BIG && duck)
 828     {
 829       // try if we can really unduck
 830       base.y -= 32;
 831       base.height = 64;
 832       // when unducking in air we need some space to do so
 833       if(on_ground() || !collision_object_map(base)) {
 834         duck = false;
 835         // changing base size confuses collision otherwise
 836         old_base = previous_base = base;
 837       } else {
 838         // undo the ducking changes
 839         base.y += 32;
 840         base.height = 32;
 841       }
 842     }
 843 }
 844
 845 void
 846 Player::grow(bool animate)
 847 {
 848   if(size == BIG)
 849     return;
 850
 851   size = BIG;
 852   base.height = 64;
 853   base.y -= 32;
 854
 855   if(animate)
 856     growing_timer.start(GROWING_TIME);
 857
 858   old_base = previous_base = base;
 859 }
 860
 861 void
 862 Player::grabdistros()
 863 {
 864   /* Grab distros: */
 865   if (!dying)
 866     {
 867       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 868       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 869       Sector::current()->trygrabdistro(
 870           Vector(base.x, base.y + base.height), NO_BOUNCE);
 871       Sector::current()->trygrabdistro(
 872           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 873
 874       if(size == BIG)
 875         {
 876           Sector::current()->trygrabdistro(
 877               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 878           Sector::current()->trygrabdistro(
 879               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 880         }
 881
 882     }
 883
 884   /* Enough distros for a One-up? */
 885   if (player_status.distros >= DISTROS_LIFEUP)
 886     {
 887       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 888       if(player_status.lives < MAX_LIVES)
 889         ++player_status.lives;
 890       /*We want to hear the sound even, if MAX_LIVES is reached*/
 891       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 892     }
 893 }
 894
 895 void
 896 Player::draw(DrawingContext& context)
 897 {
 898   TuxBodyParts* tux_body;
 899
 900   if (size == SMALL)
 901     tux_body = small_tux;
 902   else if (got_power == FIRE_POWER)
 903     tux_body = fire_tux;
 904   else if (got_power == ICE_POWER)
 905     tux_body = ice_tux;
 906   else
 907     tux_body = big_tux;
 908
 909   int layer = LAYER_OBJECTS - 1;
 910   Vector pos = Vector(base.x, base.y);
 911
 912   /* Set Tux sprite action */
 913   if (duck && size == BIG)
 914     {
 915     if(dir == LEFT)
 916       tux_body->set_action("duck-left");
 917     else // dir == RIGHT
 918       tux_body->set_action("duck-right");
 919     }
 920   else if (skidding_timer.started())
 921     {
 922     if(dir == LEFT)
 923       tux_body->set_action("skid-left");
 924     else // dir == RIGHT
 925       tux_body->set_action("skid-right");
 926     }
 927   else if (kick_timer.started())
 928     {
 929     if(dir == LEFT)
 930       tux_body->set_action("kick-left");
 931     else // dir == RIGHT
 932       tux_body->set_action("kick-right");
 933     }
 934   else if (butt_jump && size == BIG)
 935     {
 936     if(dir == LEFT)
 937       tux_body->set_action("buttjump-left");
 938     else // dir == RIGHT
 939       tux_body->set_action("buttjump-right");
 940     }
 941   else if (physic.get_velocity_y() != 0)
 942     {
 943     if(dir == LEFT)
 944       tux_body->set_action("jump-left");
 945     else // dir == RIGHT
 946       tux_body->set_action("jump-right");
 947     }
 948   else
 949     {
 950     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 951       {
 952       if(dir == LEFT)
 953         tux_body->set_action("stand-left");
 954       else // dir == RIGHT
 955         tux_body->set_action("stand-right");
 956       }
 957     else // moving
 958       {
 959       if(dir == LEFT)
 960         tux_body->set_action("walk-left");
 961       else // dir == RIGHT
 962         tux_body->set_action("walk-right");
 963       }
 964     }
 965
 966   if(idle_timer.get_left() < 0)
 967     {
 968     if(size == BIG)
 969       {
 970       if(dir == LEFT)
 971         tux_body->head->set_action("idle-left");
 972       else // dir == RIGHT
 973         tux_body->head->set_action("idle-right");
 974
 975       tux_body->head->start_animation(1);
 976       }
 977
 978     idle_timer.start(IDLE_TIME);
 979     }
 980
 981   // Tux is holding something
 982   if ((holding_something && physic.get_velocity_y() == 0) ||
 983       shooting_timer.check())
 984     {
 985     if (duck)
 986       {
 987       if(dir == LEFT)
 988         tux_body->arms->set_action("duck+grab-left");
 989       else // dir == RIGHT
 990         tux_body->arms->set_action("duck+grab-right");
 991       }
 992     else
 993       {
 994       if(dir == LEFT)
 995         tux_body->arms->set_action("grab-left");
 996       else // dir == RIGHT
 997         tux_body->arms->set_action("grab-right");
 998       }
 999     }
1000
1001   /* Draw Tux */
1002   if (dying == DYING_SQUISHED)
1003     {
1004     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
1005     }
1006   else if(growing_timer.check())
1007     {
1008     if(size == SMALL)
1009       {
1010       if (dir == RIGHT)
1011         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
1012                  ((growing_timer.get_gone() *
1013                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
1014       else
1015         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
1016                 ((growing_timer.get_gone() *
1017                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
1018       }
1019     else
1020       {
1021       if (dir == RIGHT)
1022         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
1023                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
1024       else
1025         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
1026                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
1027       }
1028     }
1029   else if (safe_timer.started() && global_frame_counter%2)
1030     ;  // don't draw Tux
1031   else
1032     tux_body->draw(context, pos, layer);
1033
1034   // Draw blinking star overlay
1035   if (invincible_timer.started() &&
1036      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
1037      && !dying)
1038   {
1039     if (size == SMALL || duck)
1040       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
1041     else
1042       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
1043   }
1044
1045   if (debug_mode)
1046     context.draw_filled_rect(Vector(base.x, base.y),
1047         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
1048 }
1049
1050 void
1051 Player::collision(const MovingObject& other, int collision_type)
1052 {
1053   (void) other;
1054   (void) collision_type;
1055   // will be implemented later
1056 }
1057
1058 void
1059 Player::collision(void* p_c_object, int c_object)
1060 {
1061   BadGuy* pbad_c = NULL;
1062   Trampoline* ptramp_c = NULL;
1063   FlyingPlatform* pplatform_c = NULL;
1064
1065   switch (c_object)
1066     {
1067     case CO_BADGUY:
1068       pbad_c = (BadGuy*) p_c_object;
1069
1070      /* Hurt player if he touches a badguy */
1071       if (!pbad_c->dying && !dying &&
1072           !safe_timer.started() &&
1073           pbad_c->mode != BadGuy::HELD)
1074         {
1075           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
1076                && !holding_something)
1077             {
1078               holding_something = true;
1079               pbad_c->mode = BadGuy::HELD;
1080               pbad_c->base.y-=8;
1081             }
1082           else if (pbad_c->mode == BadGuy::FLAT)
1083             {
1084               // Don't get hurt if we're kicking a flat badguy!
1085             }
1086           else if (pbad_c->mode == BadGuy::KICK)
1087             {
1088               /* Hurt if you get hit by kicked laptop: */
1089               if (!invincible_timer.started())
1090                 {
1091                   kill(SHRINK);
1092                 }
1093               else
1094                 pbad_c->kill_me(20);
1095             }
1096           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
1097               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
1098               || pbad_c->kind == BAD_SPIKY))
1099                 pbad_c->kill_me(20);
1100           else
1101             {
1102               if (!invincible_timer.started())
1103                 {
1104                   kill(SHRINK);
1105                 }
1106               else
1107                 {
1108                   pbad_c->kill_me(25);
1109                 }
1110             }
1111           player_status.score_multiplier++;
1112         }
1113       break;
1114
1115     case CO_TRAMPOLINE:
1116       ptramp_c = (Trampoline*) p_c_object;
1117
1118       // Pick up trampoline
1119       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
1120       {
1121         holding_something = true;
1122         ptramp_c->mode = Trampoline::M_HELD;
1123         ptramp_c->base.y -= 8;
1124       }
1125       // Set down trampoline
1126       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
1127       {
1128         holding_something = false;
1129         ptramp_c->mode = Trampoline::M_NORMAL;
1130         ptramp_c->base.y += 8;
1131         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1132
1133         //if (dir == RIGHT)
1134         //  ptramp_c->base.x = base.x + base.width+1;
1135         //else /* LEFT */
1136         //  ptramp_c->base.x = base.x - base.width-1;
1137       }
1138 /*
1139       // Don't let tux walk through trampoline
1140       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1141       {
1142         if (physic.get_velocity_x() > 0) // RIGHT
1143         {
1144           physic.set_velocity_x(0);
1145           base.x = ptramp_c->base.x - base.width;
1146         }
1147         else if (physic.get_velocity_x() < 0) // LEFT
1148         {
1149           physic.set_velocity_x(0);
1150           base.x = ptramp_c->base.x + ptramp_c->base.width;
1151         }
1152       }
1153 */
1154       break;
1155     case CO_FLYING_PLATFORM:
1156       pplatform_c = (FlyingPlatform*) p_c_object;
1157
1158       base.y = pplatform_c->base.y - base.height;
1159       physic.set_velocity_x(pplatform_c->get_vel_x());
1160
1161       physic.enable_gravity(false);
1162       can_jump = true;
1163       fall_mode = ON_GROUND;
1164       break;
1165
1166     default:
1167       break;
1168     }
1169
1170 }
1171
1172 /* Kill Player! */
1173
1174 void
1175 Player::kill(HurtMode mode)
1176 {
1177   if(dying)
1178     return;
1179
1180   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1181
1182   physic.set_velocity_x(0);
1183
1184   if (mode == SHRINK && size == BIG)
1185     {
1186       if (got_power != NONE_POWER)
1187         {
1188           safe_timer.start(TUX_SAFE_TIME);
1189           got_power = NONE_POWER;
1190         }
1191       else
1192         {
1193           growing_timer.start(GROWING_TIME);
1194           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1195           size = SMALL;
1196           base.height = 32;
1197           duck = false;
1198         }
1199     }
1200   else
1201     {
1202       physic.enable_gravity(true);
1203       physic.set_acceleration(0, 0);
1204       physic.set_velocity(0, 7);
1205       --player_status.lives;
1206       dying = DYING_SQUISHED;
1207       dying_timer.start(3000);
1208     }
1209 }
1210
1211 /* Remove Tux's power ups */
1212 void
1213 Player::remove_powerups()
1214 {
1215   got_power = NONE_POWER;
1216   size = SMALL;
1217   base.height = 32;
1218 }
1219
1220 void
1221 Player::move(const Vector& vector)
1222 {
1223   base.x = vector.x;
1224   base.y = vector.y;
1225   old_base = previous_base = base;
1226 }
1227
1228 void
1229 Player::check_bounds(Camera* camera)
1230 {
1231   /* Keep tux in bounds: */
1232   if (base.x < 0)
1233     { // Lock Tux to the size of the level, so that he doesn't fall of
1234       // on the left side
1235       base.x = 0;
1236     }
1237
1238   /* Keep in-bounds, vertically: */
1239   if (base.y > Sector::current()->solids->get_height() * 32)
1240     {
1241       kill(KILL);
1242       return;
1243     }
1244
1245   bool adjust = false;
1246   // can happen if back scrolling is disabled
1247   if(base.x < camera->get_translation().x) {
1248     base.x = camera->get_translation().x;
1249     adjust = true;
1250   }
1251   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1252     base.x = camera->get_translation().x + screen->w - base.width;
1253     adjust = true;
1254   }
1255
1256   if(adjust) {
1257     // squished now?
1258     if(collision_object_map(base)) {
1259       kill(KILL);
1260       return;
1261     }
1262   }
1263 }
1264
1265 void
1266 Player::bounce(BadGuy* badguy)
1267 {
1268   //Make sure we stopped flapping
1269   flapping = false;
1270   falling_from_flap = false;
1271
1272   if (input.jump)
1273     physic.set_velocity_y(5.2);
1274   else
1275     physic.set_velocity_y(2);
1276
1277   // Move the player a little bit above the badguy to avoid collision
1278   // between badguy and player directly after the bounce has happend
1279   base.y = badguy->base.y - base.height - 2;
1280 }
1281
1282 /* EOF */
1283