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