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