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 "globals.h"
  26 #include "player.h"
  27 #include "defines.h"
  28 #include "scene.h"
  29 #include "tile.h"
  30 #include "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 "screen/screen.h"
  38
  39 // behavior definitions:
  40 #define TILES_FOR_BUTTJUMP 3
  41 // animation times (in ms):
  42 #define SHOOTING_TIME 320
  43 #define STOMP_TIME 250
  44 // others stuff:
  45 #define AUTOSCROLL_DEAD_INTERVAL 300
  46
  47 // growing animation
  48 Surface* growingtux_left[GROWING_FRAMES];
  49 Surface* growingtux_right[GROWING_FRAMES];
  50
  51 Surface* tux_life;
  52
  53 Sprite* smalltux_gameover;
  54 Sprite* smalltux_star;
  55 Sprite* largetux_star;
  56
  57 PlayerSprite smalltux;
  58 PlayerSprite largetux;
  59 PlayerSprite icetux;
  60 PlayerSprite firetux;
  61
  62 PlayerKeymap keymap;
  63
  64 PlayerKeymap::PlayerKeymap()
  65 {
  66   keymap.jump  = SDLK_SPACE;
  67   keymap.activate = SDLK_UP;
  68   keymap.duck  = SDLK_DOWN;
  69   keymap.left  = SDLK_LEFT;
  70   keymap.right = SDLK_RIGHT;
  71   keymap.fire  = SDLK_LCTRL;
  72 }
  73
  74 void player_input_init(player_input_type* pplayer_input)
  75 {
  76   pplayer_input->down = UP;
  77   pplayer_input->fire = UP;
  78   pplayer_input->left = UP;
  79   pplayer_input->old_fire = UP;
  80   pplayer_input->right = UP;
  81   pplayer_input->up = UP;
  82   pplayer_input->old_up = UP;
  83   pplayer_input->activate = UP;
  84 }
  85
  86 Player::Player()
  87 {
  88   init();
  89 }
  90
  91 Player::~Player()
  92 {
  93 }
  94
  95 void
  96 Player::init()
  97 {
  98   holding_something = false;
  99
 100   base.width = 32;
 101   base.height = 32;
 102
 103   size = SMALL;
 104   got_power = NONE_POWER;
 105
 106   base.x = 0;
 107   base.y = 0;
 108   previous_base = old_base = base;
 109   dir = RIGHT;
 110   old_dir = dir;
 111   duck = false;
 112   dead = false;
 113
 114   dying   = DYING_NOT;
 115   last_ground_y = 0;
 116   fall_mode = ON_GROUND;
 117   jumping = false;
 118   can_jump = true;
 119   butt_jump = false;
 120
 121   stomp_pos = Vector(0,0);
 122   frame_main = 0;
 123   frame_ = 0;
 124
 125   player_input_init(&input);
 126
 127   invincible_timer.init(true);
 128   skidding_timer.init(true);
 129   safe_timer.init(true);
 130   frame_timer.init(true);
 131   kick_timer.init(true);
 132   shooting_timer.init(true);
 133   growing_timer.init(true);
 134
 135   physic.reset();
 136 }
 137
 138 int
 139 Player::key_event(SDLKey key, int state)
 140 {
 141   if(key == keymap.right)
 142     {
 143       input.right = state;
 144       return true;
 145     }
 146   else if(key == keymap.left)
 147     {
 148       input.left = state;
 149       return true;
 150     }
 151   else if(key == keymap.jump)
 152     {
 153       input.up = state;
 154       return true;
 155     }
 156   else if(key == keymap.duck)
 157     {
 158       input.down = state;
 159       return true;
 160     }
 161   else if(key == keymap.fire)
 162     {
 163       if (state == UP)
 164         input.old_fire = UP;
 165       input.fire = state;
 166       return true;
 167     }
 168   else if(key == keymap.activate)
 169     {
 170       input.activate = state;
 171
 172       if(state == DOWN) {
 173         /** check for interactive objects */
 174         for(Sector::InteractiveObjects::iterator i
 175             = Sector::current()->interactive_objects.begin();
 176             i != Sector::current()->interactive_objects.end(); ++i) {
 177           if(rectcollision(base, (*i)->get_area())) {
 178             (*i)->interaction(INTERACTION_ACTIVATE);
 179           }
 180         }
 181       }
 182
 183       return true;
 184     }
 185   else
 186     return false;
 187 }
 188
 189 void
 190 Player::level_begin()
 191 {
 192   base.x  = 100;
 193   base.y  = 170;
 194   previous_base = old_base = base;
 195   duck = false;
 196
 197   dying = DYING_NOT;
 198
 199   player_input_init(&input);
 200
 201   invincible_timer.init(true);
 202   skidding_timer.init(true);
 203   safe_timer.init(true);
 204   frame_timer.init(true);
 205   growing_timer.init(true);
 206
 207   physic.reset();
 208 }
 209
 210 void
 211 Player::action(float elapsed_time)
 212 {
 213   bool jumped_in_solid = false;
 214
 215   if(dying && !dying_timer.check()) {
 216     dead = true;
 217     return;
 218   }
 219
 220   if (input.fire == UP)
 221     holding_something = false;
 222
 223   /* Move tux: */
 224   previous_base = base;
 225
 226   /* --- HANDLE TUX! --- */
 227   if(dying == DYING_NOT)
 228     handle_input();
 229
 230   physic.apply(elapsed_time, base.x, base.y);
 231
 232   if(dying == DYING_NOT)
 233     {
 234       base_type target = base;
 235
 236       collision_swept_object_map(&old_base, &base);
 237
 238       if ((!invincible_timer.started() && !safe_timer.started())
 239           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 240           ||  isspike(base.x, base.y + base.height)
 241           ||  isspike(base.x + base.width, base.y + base.height)))
 242       {
 243          kill(SHRINK);
 244       }
 245
 246       // Don't accelerate Tux if he is running against a wall
 247       if (target.x != base.x)
 248         {
 249           physic.set_velocity_x(0);
 250         }
 251
 252       // special exception for cases where we're stuck under tiles after
 253       // being ducked. In this case we drift out
 254       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 255          && collision_object_map(base))
 256         {
 257           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 258           previous_base = old_base = base;
 259         }
 260
 261       // Land:
 262       if (!on_ground())
 263         {
 264           physic.enable_gravity(true);
 265           if(under_solid())
 266             {
 267               // fall down
 268               physic.set_velocity_y(0);
 269               jumped_in_solid = true;
 270               jumping = false;
 271             }
 272         }
 273       else
 274         {
 275           /* Land: */
 276           if (physic.get_velocity_y() < 0)
 277             {
 278               base.y = (int)(((int)base.y / 32) * 32);
 279               physic.set_velocity_y(0);
 280             }
 281
 282           physic.enable_gravity(false);
 283           /* Reset score multiplier (for multi-hits): */
 284           if (!invincible_timer.started())
 285             player_status.score_multiplier = 1;
 286         }
 287
 288       if(jumped_in_solid)
 289         {
 290           if (isbrick(base.x, base.y) ||
 291               isfullbox(base.x, base.y))
 292             {
 293               Sector::current()->trygrabdistro(
 294                   Vector(base.x, base.y - 32), BOUNCE);
 295               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 296
 297               Sector::current()->trybreakbrick(
 298                   Vector(base.x, base.y), size == SMALL);
 299
 300               bumpbrick(base.x, base.y);
 301               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 302             }
 303
 304           if (isbrick(base.x+ 31, base.y) ||
 305               isfullbox(base.x+ 31, base.y))
 306             {
 307               Sector::current()->trygrabdistro(
 308                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 309               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 310
 311               if(size == BIG)
 312                 Sector::current()->trybreakbrick(
 313                     Vector(base.x+ 31, base.y), size == SMALL);
 314
 315               bumpbrick(base.x+ 31, base.y);
 316               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 317             }
 318         }
 319
 320       grabdistros();
 321
 322       if (jumped_in_solid)
 323         {
 324           ++base.y;
 325           ++old_base.y;
 326           if(on_ground())
 327             {
 328               /* Make sure jumping is off. */
 329               jumping = false;
 330             }
 331         }
 332     }
 333
 334   /* ---- DONE HANDLING TUX! --- */
 335
 336   // check some timers
 337   skidding_timer.check();
 338   invincible_timer.check();
 339   safe_timer.check();
 340   kick_timer.check();
 341 }
 342
 343 bool
 344 Player::on_ground()
 345 {
 346   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 347            issolid(base.x + 1, base.y + base.height) ||
 348            issolid(base.x + base.width - 1, base.y + base.height));
 349 }
 350
 351 bool
 352 Player::under_solid()
 353 {
 354   return ( issolid(base.x + base.width / 2, base.y) ||
 355            issolid(base.x + 1, base.y) ||
 356            issolid(base.x + base.width - 1, base.y)  );
 357 }
 358
 359 bool
 360 Player::tiles_on_air(int tiles)
 361 {
 362   for(int t = 0; t != tiles; t++)
 363      {
 364      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 365          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 366          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 367        return false;
 368      }
 369   return true;
 370 }
 371
 372 void
 373 Player::handle_horizontal_input()
 374 {
 375   float vx = physic.get_velocity_x();
 376   float vy = physic.get_velocity_y();
 377   float ax = physic.get_acceleration_x();
 378   float ay = physic.get_acceleration_y();
 379
 380   float dirsign = 0;
 381   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 382       old_dir = dir;
 383       dir = LEFT;
 384       dirsign = -1;
 385   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 386       old_dir = dir;
 387       dir = RIGHT;
 388       dirsign = 1;
 389   }
 390
 391   if (input.fire == UP) {
 392       ax = dirsign * WALK_ACCELERATION_X;
 393       // limit speed
 394       if(vx >= MAX_WALK_XM && dirsign > 0) {
 395         vx = MAX_WALK_XM;
 396         ax = 0;
 397       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 398         vx = -MAX_WALK_XM;
 399         ax = 0;
 400       }
 401   } else {
 402       ax = dirsign * RUN_ACCELERATION_X;
 403       // limit speed
 404       if(vx >= MAX_RUN_XM && dirsign > 0) {
 405         vx = MAX_RUN_XM;
 406         ax = 0;
 407       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 408         vx = -MAX_RUN_XM;
 409         ax = 0;
 410       }
 411   }
 412
 413   // we can reach WALK_SPEED without any acceleration
 414   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 415     vx = dirsign * WALK_SPEED;
 416   }
 417
 418   // changing directions?
 419   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 420       if(fabs(vx)>SKID_XM && !skidding_timer.check()) {
 421           skidding_timer.start(SKID_TIME);
 422           sound_manager->play_sound(sounds[SND_SKID]);
 423           ax *= 2.5;
 424       } else {
 425           ax *= 2;
 426       }
 427   }
 428
 429   // we get slower when not pressing any keys
 430   if(dirsign == 0) {
 431       if(fabs(vx) < WALK_SPEED) {
 432           vx = 0;
 433           ax = 0;
 434       } else if(vx < 0) {
 435           ax = WALK_ACCELERATION_X * 1.5;
 436       } else {
 437           ax = WALK_ACCELERATION_X * -1.5;
 438       }
 439   }
 440
 441   // if we're on ice slow down acceleration or deceleration
 442   if (isice(base.x, base.y + base.height))
 443   {
 444     /* the acceleration/deceleration rate on ice is inversely proportional to
 445      * the current velocity.
 446      */
 447
 448     // increasing 1 will increase acceleration/deceleration rate
 449     // decreasing 1 will decrease acceleration/deceleration rate
 450     //  must stay above zero, though
 451     if (ax != 0) ax *= 1 / fabs(vx);
 452   }
 453
 454   physic.set_velocity(vx, vy);
 455   physic.set_acceleration(ax, ay);
 456 }
 457
 458 void
 459 Player::handle_vertical_input()
 460 {
 461   // set fall mode...
 462   if(on_ground()) {
 463     fall_mode = ON_GROUND;
 464     last_ground_y = base.y;
 465   } else {
 466     if(base.y > last_ground_y)
 467       fall_mode = FALLING;
 468     else if(fall_mode == ON_GROUND)
 469       fall_mode = JUMPING;
 470   }
 471
 472   // Press jump key
 473   if(input.up == DOWN && can_jump && on_ground())
 474     {
 475       if(duck) { // only jump a little bit when in duck mode {
 476         physic.set_velocity_y(3);
 477       } else {
 478         // jump higher if we are running
 479         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 480           physic.set_velocity_y(5.8);
 481         else
 482           physic.set_velocity_y(5.2);
 483       }
 484
 485       --base.y;
 486       jumping = true;
 487       can_jump = false;
 488       if (size == SMALL)
 489         sound_manager->play_sound(sounds[SND_JUMP]);
 490       else
 491         sound_manager->play_sound(sounds[SND_BIGJUMP]);
 492     }
 493   // Let go of jump key
 494   else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
 495     {
 496       jumping = false;
 497       physic.set_velocity_y(0);
 498     }
 499
 500    /* In case the player has pressed Down while in a certain range of air,
 501       enable butt jump action */
 502   if (input.down == DOWN && !butt_jump && !duck)
 503     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 504       butt_jump = true;
 505
 506    /* When Down is not held anymore, disable butt jump */
 507   if(butt_jump && input.down == UP)
 508     butt_jump = false;
 509
 510   // Do butt jump
 511   if (butt_jump && on_ground() && size == BIG)
 512   {
 513
 514     if (duck)
 515       stomp_pos = Vector(base.x - 32, base.y);
 516     else
 517       stomp_pos = Vector(base.x - 32, base.y + 32);
 518     stomp_timer.start(STOMP_TIME);
 519
 520     butt_jump = false;
 521
 522     // Break bricks beneath Tux
 523     if(Sector::current()->trybreakbrick(
 524           Vector(base.x + 1, base.y + base.height), false)
 525         || Sector::current()->trybreakbrick(
 526            Vector(base.x + base.width - 1, base.y + base.height), false))
 527     {
 528       physic.set_velocity_y(2);
 529       butt_jump = true;
 530     }
 531
 532     // Kill nearby badguys
 533     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 534     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 535          i != gameobjects.end();
 536          i++)
 537     {
 538       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 539       if(badguy)
 540       {
 541
 542         if (fabsf(base.x - badguy->base.x) < 150 &&
 543             fabsf(base.y - badguy->base.y) < 60 &&
 544             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 545               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 546           badguy->kill_me(25);
 547       }
 548     }
 549   }
 550
 551   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 552         issolid(base.x + 1, base.y + base.height + 64) ||
 553         issolid(base.x + base.width - 1, base.y + base.height + 64))
 554        && jumping  == false
 555        && can_jump == false
 556        && input.up == DOWN
 557        && input.old_up == UP)
 558     {
 559       can_jump = true;
 560     }
 561
 562   if(on_ground())   /* Make sure jumping is off. */
 563     jumping = false;
 564
 565   input.old_up = input.up;
 566 }
 567
 568 void
 569 Player::handle_input()
 570 {
 571   /* Handle horizontal movement: */
 572     handle_horizontal_input();
 573
 574   /* Jump/jumping? */
 575
 576   if (on_ground() && input.up == UP)
 577     can_jump = true;
 578   handle_vertical_input();
 579
 580   /* Shoot! */
 581   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 582     {
 583       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 584           physic.get_velocity_x(), dir))
 585         shooting_timer.start(SHOOTING_TIME);
 586       input.old_fire = DOWN;
 587     }
 588
 589   /* tux animations: */
 590   if(!frame_timer.check())
 591     {
 592       frame_timer.start(25);
 593       if (input.right == UP && input.left == UP)
 594         {
 595           frame_main = 1;
 596           frame_ = 1;
 597         }
 598       else
 599         {
 600           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 601               (global_frame_counter % 4) == 0)
 602             frame_main = (frame_main + 1) % 4;
 603
 604           frame_ = frame_main;
 605
 606           if (frame_ == 3)
 607             frame_ = 1;
 608         }
 609     }
 610
 611   /* Duck! */
 612   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 613     {
 614       duck = true;
 615       base.height = 32;
 616       base.y += 32;
 617       // changing base size confuses collision otherwise
 618       old_base = previous_base = base;
 619     }
 620   else if(input.down == UP && size == BIG && duck)
 621     {
 622       // try if we can really unduck
 623       base.y -= 32;
 624       base.height = 64;
 625       // when unducking in air we need some space to do so
 626       if(on_ground() || !collision_object_map(base)) {
 627         duck = false;
 628         // changing base size confuses collision otherwise
 629         old_base = previous_base = base;
 630       } else {
 631         // undo the ducking changes
 632         base.y += 32;
 633         base.height = 32;
 634       }
 635     }
 636 }
 637
 638 void
 639 Player::grow(bool animate)
 640 {
 641   if(size == BIG)
 642     return;
 643
 644   size = BIG;
 645   base.height = 64;
 646   base.y -= 32;
 647
 648   if(animate)
 649     growing_timer.start(GROWING_TIME);
 650
 651   old_base = previous_base = base;
 652 }
 653
 654 void
 655 Player::grabdistros()
 656 {
 657   /* Grab distros: */
 658   if (!dying)
 659     {
 660       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 661       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 662       Sector::current()->trygrabdistro(
 663           Vector(base.x, base.y + base.height), NO_BOUNCE);
 664       Sector::current()->trygrabdistro(
 665           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 666
 667       if(size == BIG)
 668         {
 669           Sector::current()->trygrabdistro(
 670               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 671           Sector::current()->trygrabdistro(
 672               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 673         }
 674
 675     }
 676
 677   /* Enough distros for a One-up? */
 678   if (player_status.distros >= DISTROS_LIFEUP)
 679     {
 680       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 681       if(player_status.lives < MAX_LIVES)
 682         ++player_status.lives;
 683       /*We want to hear the sound even, if MAX_LIVES is reached*/
 684       sound_manager->play_sound(sounds[SND_LIFEUP]);
 685     }
 686 }
 687
 688 void
 689 Player::draw(DrawingContext& context)
 690 {
 691   PlayerSprite* sprite;
 692
 693   if (size == SMALL)
 694     sprite = &smalltux;
 695   else if (got_power == FIRE_POWER)
 696     sprite = &firetux;
 697   else if (got_power == ICE_POWER)
 698     sprite = &icetux;
 699   else
 700     sprite = &largetux;
 701
 702   int layer = LAYER_OBJECTS - 1;
 703   Vector pos = Vector(base.x, base.y);
 704
 705   if (!safe_timer.started() || (global_frame_counter % 2) == 0)
 706     {
 707       if (dying == DYING_SQUISHED)
 708         {
 709           smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 710         }
 711       else
 712         {
 713           if(growing_timer.check())
 714             {
 715               if (dir == RIGHT)
 716                 context.draw_surface(growingtux_right[(growing_timer.get_gone() * GROWING_FRAMES) / GROWING_TIME], pos, layer);
 717               else
 718                 context.draw_surface(growingtux_left[(growing_timer.get_gone() * GROWING_FRAMES) / GROWING_TIME], pos, layer);
 719             }
 720           else if (duck && size != SMALL)
 721             {
 722               if (dir == RIGHT)
 723                 sprite->duck_right->draw(context, pos, layer);
 724               else
 725                 sprite->duck_left->draw(context, pos, layer);
 726             }
 727           else if (skidding_timer.started())
 728             {
 729               if (dir == RIGHT)
 730                 sprite->skid_right->draw(context, pos, layer);
 731               else
 732                 sprite->skid_left->draw(context, pos, layer);
 733             }
 734           else if (kick_timer.started())
 735             {
 736               if (dir == RIGHT)
 737                 sprite->kick_right->draw(context, pos, layer);
 738               else
 739                 sprite->kick_left->draw(context, pos, layer);
 740             }
 741           else if (physic.get_velocity_y() != 0)
 742             {
 743               if (dir == RIGHT)
 744                 sprite->jump_right->draw(context, pos, layer);
 745               else
 746                 sprite->jump_left->draw(context, pos, layer);
 747             }
 748           else
 749             {
 750               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 751                 {
 752                   if (dir == RIGHT)
 753                     sprite->stand_right->draw(context, pos, layer);
 754                   else
 755                     sprite->stand_left->draw(context, pos, layer);
 756                 }
 757               else // moving
 758                 {
 759                   if (dir == RIGHT)
 760                     sprite->walk_right->draw(context, pos, layer);
 761                   else
 762                     sprite->walk_left->draw(context, pos, layer);
 763                 }
 764             }
 765         }
 766     }
 767
 768   // Draw arm overlay graphics when Tux is holding something
 769   if ((holding_something && physic.get_velocity_y() == 0) || shooting_timer.check() && !duck)
 770   {
 771     if (dir == RIGHT)
 772       sprite->grab_right->draw(context, pos, LAYER_OBJECTS + 1);
 773     else
 774       sprite->grab_left->draw(context, pos, LAYER_OBJECTS + 1);
 775   }
 776
 777   // Draw stomp clouds when doing a butt jump
 778   if (stomp_timer.check())
 779       sprite->stomp->draw(context, stomp_pos, LAYER_OBJECTS + 1);
 780
 781   // Draw blinking star overlay
 782   if (invincible_timer.started() &&
 783       (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 784   {
 785     if (size == SMALL || duck)
 786       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 787     else
 788       largetux_star->draw(context, pos, LAYER_OBJECTS + 2);
 789   }
 790
 791   if (debug_mode)
 792     context.draw_filled_rect(Vector(base.x, base.y),
 793         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 794 }
 795
 796 void
 797 Player::collision(const MovingObject& other, int collision_type)
 798 {
 799   (void) other;
 800   (void) collision_type;
 801   // will be implemented later
 802 }
 803
 804 void
 805 Player::collision(void* p_c_object, int c_object)
 806 {
 807   BadGuy* pbad_c = NULL;
 808   Trampoline* ptramp_c = NULL;
 809   FlyingPlatform* pplatform_c = NULL;
 810
 811   switch (c_object)
 812     {
 813     case CO_BADGUY:
 814       pbad_c = (BadGuy*) p_c_object;
 815
 816      /* Hurt player if he touches a badguy */
 817       if (!pbad_c->dying && !dying &&
 818           !safe_timer.started() &&
 819           pbad_c->mode != BadGuy::HELD)
 820         {
 821           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 822                && !holding_something)
 823             {
 824               holding_something = true;
 825               pbad_c->mode = BadGuy::HELD;
 826               pbad_c->base.y-=8;
 827             }
 828           else if (pbad_c->mode == BadGuy::FLAT)
 829             {
 830               // Don't get hurt if we're kicking a flat badguy!
 831             }
 832           else if (pbad_c->mode == BadGuy::KICK)
 833             {
 834               /* Hurt if you get hit by kicked laptop: */
 835               if (!invincible_timer.started())
 836                 {
 837                   kill(SHRINK);
 838                 }
 839               else
 840                 pbad_c->kill_me(20);
 841             }
 842           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 843               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 844               || pbad_c->kind == BAD_SPIKY))
 845                 pbad_c->kill_me(20);
 846           else
 847             {
 848               if (!invincible_timer.started())
 849                 {
 850                   kill(SHRINK);
 851                 }
 852               else
 853                 {
 854                   pbad_c->kill_me(25);
 855                 }
 856             }
 857           player_status.score_multiplier++;
 858         }
 859       break;
 860
 861     case CO_TRAMPOLINE:
 862       ptramp_c = (Trampoline*) p_c_object;
 863
 864       // Pick up trampoline
 865       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 866       {
 867         holding_something = true;
 868         ptramp_c->mode = Trampoline::M_HELD;
 869         ptramp_c->base.y -= 8;
 870       }
 871       // Set down trampoline
 872       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 873       {
 874         holding_something = false;
 875         ptramp_c->mode = Trampoline::M_NORMAL;
 876         ptramp_c->base.y += 8;
 877         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 878
 879         //if (dir == RIGHT)
 880         //  ptramp_c->base.x = base.x + base.width+1;
 881         //else /* LEFT */
 882         //  ptramp_c->base.x = base.x - base.width-1;
 883       }
 884 /*
 885       // Don't let tux walk through trampoline
 886       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 887       {
 888         if (physic.get_velocity_x() > 0) // RIGHT
 889         {
 890           physic.set_velocity_x(0);
 891           base.x = ptramp_c->base.x - base.width;
 892         }
 893         else if (physic.get_velocity_x() < 0) // LEFT
 894         {
 895           physic.set_velocity_x(0);
 896           base.x = ptramp_c->base.x + ptramp_c->base.width;
 897         }
 898       }
 899 */
 900       break;
 901     case CO_FLYING_PLATFORM:
 902       pplatform_c = (FlyingPlatform*) p_c_object;
 903
 904       base.y = pplatform_c->base.y - base.height;
 905       physic.set_velocity_x(pplatform_c->get_vel_x());
 906
 907       physic.enable_gravity(false);
 908       can_jump = true;
 909       fall_mode = ON_GROUND;
 910       break;
 911
 912     default:
 913       break;
 914     }
 915
 916 }
 917
 918 /* Kill Player! */
 919
 920 void
 921 Player::kill(HurtMode mode)
 922 {
 923   if(dying)
 924     return;
 925
 926   sound_manager->play_sound(sounds[SND_HURT]);
 927
 928   physic.set_velocity_x(0);
 929
 930   if (mode == SHRINK && size == BIG)
 931     {
 932       if (got_power != NONE_POWER)
 933         {
 934           got_power = NONE_POWER;
 935         }
 936       else
 937         {
 938           size = SMALL;
 939           base.height = 32;
 940           duck = false;
 941         }
 942       safe_timer.start(TUX_SAFE_TIME);
 943     }
 944   else
 945     {
 946       physic.enable_gravity(true);
 947       physic.set_acceleration(0, 0);
 948       physic.set_velocity(0, 7);
 949       --player_status.lives;
 950       dying = DYING_SQUISHED;
 951       dying_timer.start(3000);
 952     }
 953 }
 954
 955 /* Remove Tux's power ups */
 956 void
 957 Player::remove_powerups()
 958 {
 959   got_power = NONE_POWER;
 960   size = SMALL;
 961   base.height = 32;
 962 }
 963
 964 void
 965 Player::move(const Vector& vector)
 966 {
 967   base.x = vector.x;
 968   base.y = vector.y;
 969   old_base = previous_base = base;
 970 }
 971
 972 void
 973 Player::check_bounds(Camera* camera)
 974 {
 975   /* Keep tux in bounds: */
 976   if (base.x < 0)
 977     { // Lock Tux to the size of the level, so that he doesn't fall of
 978       // on the left side
 979       base.x = 0;
 980     }
 981
 982   /* Keep in-bounds, vertically: */
 983   if (base.y > Sector::current()->solids->get_height() * 32)
 984     {
 985       kill(KILL);
 986       return;
 987     }
 988
 989   bool adjust = false;
 990   // can happen if back scrolling is disabled
 991   if(base.x < camera->get_translation().x) {
 992     base.x = camera->get_translation().x;
 993     adjust = true;
 994   }
 995   if(base.x >= camera->get_translation().x + screen->w - base.width) {
 996     base.x = camera->get_translation().x + screen->w - base.width;
 997     adjust = true;
 998   }
 999
1000   if(adjust) {
1001     // squished now?
1002     if(collision_object_map(base)) {
1003       kill(KILL);
1004       return;
1005     }
1006   }
1007 }
1008
1009 void
1010 Player::bounce(BadGuy* badguy)
1011 {
1012   if (input.up)
1013     physic.set_velocity_y(5.2);
1014   else
1015     physic.set_velocity_y(2);
1016
1017   // Move the player a little bit above the badguy to avoid collision
1018   // between badguy and player directly after the bounce has happend
1019   base.y = badguy->base.y - base.height - 2;
1020 }
1021
1022 /* EOF */
1023