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