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                         physic.set_velocity_y(5.2);
 561           }
 562
 563         // Hover
 564    //(disabled by default, use cheat code "hover" to toggle on/off)
 565         //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 566         if (enable_hover && input.up == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 567           {
 568                         physic.set_velocity_y(-1);
 569           }
 570
 571    /* In case the player has pressed Down while in a certain range of air,
 572       enable butt jump action */
 573   if (input.down == DOWN && !butt_jump && !duck)
 574     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 575       butt_jump = true;
 576
 577    /* When Down is not held anymore, disable butt jump */
 578   if(butt_jump && input.down == UP)
 579     butt_jump = false;
 580
 581   // Do butt jump
 582   if (butt_jump && on_ground() && size == BIG)
 583   {
 584     // Add a smoke cloud
 585     if (duck)
 586       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 587     else
 588       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 589
 590     butt_jump = false;
 591
 592     // Break bricks beneath Tux
 593     if(Sector::current()->trybreakbrick(
 594           Vector(base.x + 1, base.y + base.height), false)
 595         || Sector::current()->trybreakbrick(
 596            Vector(base.x + base.width - 1, base.y + base.height), false))
 597     {
 598       physic.set_velocity_y(2);
 599       butt_jump = true;
 600     }
 601
 602     // Kill nearby badguys
 603     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 604     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 605          i != gameobjects.end();
 606          i++)
 607     {
 608       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 609       if(badguy)
 610       {
 611
 612         if (fabsf(base.x - badguy->base.x) < 150 &&
 613             fabsf(base.y - badguy->base.y) < 60 &&
 614             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 615               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 616           badguy->kill_me(25);
 617       }
 618     }
 619   }
 620
 621   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 622         issolid(base.x + 1, base.y + base.height + 64) ||
 623         issolid(base.x + base.width - 1, base.y + base.height + 64))
 624        && jumping  == false
 625        && can_jump == false
 626        && input.up == DOWN
 627        && input.old_up == UP)
 628     {
 629       can_jump = true;
 630     }
 631
 632   if(on_ground())   /* Make sure jumping is off. */
 633     jumping = false;
 634
 635   input.old_up = input.up;
 636 }
 637
 638 void
 639 Player::handle_input()
 640 {
 641   /* Handle horizontal movement: */
 642     handle_horizontal_input();
 643
 644   /* Jump/jumping? */
 645
 646   if (on_ground() && input.up == UP)
 647     can_jump = true;
 648   handle_vertical_input();
 649
 650   /* Shoot! */
 651   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 652     {
 653       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 654           physic.get_velocity_x(), dir))
 655         shooting_timer.start(SHOOTING_TIME);
 656       input.old_fire = DOWN;
 657     }
 658
 659   /* tux animations: */
 660   if(!frame_timer.check())
 661     {
 662       frame_timer.start(25);
 663       if (input.right == UP && input.left == UP)
 664         {
 665           frame_main = 1;
 666           frame_ = 1;
 667         }
 668       else
 669         {
 670           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 671               (global_frame_counter % 4) == 0)
 672             frame_main = (frame_main + 1) % 4;
 673
 674           frame_ = frame_main;
 675
 676           if (frame_ == 3)
 677             frame_ = 1;
 678         }
 679     }
 680
 681   /* Duck! */
 682   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 683     {
 684       duck = true;
 685       base.height = 32;
 686       base.y += 32;
 687       // changing base size confuses collision otherwise
 688       old_base = previous_base = base;
 689     }
 690   else if(input.down == UP && size == BIG && duck)
 691     {
 692       // try if we can really unduck
 693       base.y -= 32;
 694       base.height = 64;
 695       // when unducking in air we need some space to do so
 696       if(on_ground() || !collision_object_map(base)) {
 697         duck = false;
 698         // changing base size confuses collision otherwise
 699         old_base = previous_base = base;
 700       } else {
 701         // undo the ducking changes
 702         base.y += 32;
 703         base.height = 32;
 704       }
 705     }
 706 }
 707
 708 void
 709 Player::grow(bool animate)
 710 {
 711   if(size == BIG)
 712     return;
 713
 714   size = BIG;
 715   base.height = 64;
 716   base.y -= 32;
 717
 718   if(animate)
 719     growing_timer.start(GROWING_TIME);
 720
 721   old_base = previous_base = base;
 722 }
 723
 724 void
 725 Player::grabdistros()
 726 {
 727   /* Grab distros: */
 728   if (!dying)
 729     {
 730       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 731       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 732       Sector::current()->trygrabdistro(
 733           Vector(base.x, base.y + base.height), NO_BOUNCE);
 734       Sector::current()->trygrabdistro(
 735           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 736
 737       if(size == BIG)
 738         {
 739           Sector::current()->trygrabdistro(
 740               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 741           Sector::current()->trygrabdistro(
 742               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 743         }
 744
 745     }
 746
 747   /* Enough distros for a One-up? */
 748   if (player_status.distros >= DISTROS_LIFEUP)
 749     {
 750       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 751       if(player_status.lives < MAX_LIVES)
 752         ++player_status.lives;
 753       /*We want to hear the sound even, if MAX_LIVES is reached*/
 754       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 755     }
 756 }
 757
 758 void
 759 Player::draw(DrawingContext& context)
 760 {
 761   TuxBodyParts* tux_body;
 762
 763   if (size == SMALL)
 764     tux_body = small_tux;
 765   else if (got_power == FIRE_POWER)
 766     tux_body = fire_tux;
 767   else if (got_power == ICE_POWER)
 768     tux_body = ice_tux;
 769   else
 770     tux_body = big_tux;
 771
 772   int layer = LAYER_OBJECTS - 1;
 773   Vector pos = Vector(base.x, base.y);
 774
 775   /* Set Tux sprite action */
 776   if (duck && size == BIG)
 777     {
 778     if(dir == LEFT)
 779       tux_body->set_action("duck-left");
 780     else // dir == RIGHT
 781       tux_body->set_action("duck-right");
 782     }
 783   else if (skidding_timer.started())
 784     {
 785     if(dir == LEFT)
 786       tux_body->set_action("skid-left");
 787     else // dir == RIGHT
 788       tux_body->set_action("skid-right");
 789     }
 790   else if (kick_timer.started())
 791     {
 792     if(dir == LEFT)
 793       tux_body->set_action("kick-left");
 794     else // dir == RIGHT
 795       tux_body->set_action("kick-right");
 796     }
 797   else if (butt_jump)
 798     {
 799     if(dir == LEFT)
 800       tux_body->set_action("buttjump-left");
 801     else // dir == RIGHT
 802       tux_body->set_action("buttjump-right");
 803     }
 804   else if (physic.get_velocity_y() != 0)
 805     {
 806     if(dir == LEFT)
 807       tux_body->set_action("jump-left");
 808     else // dir == RIGHT
 809       tux_body->set_action("jump-right");
 810     }
 811   else
 812     {
 813     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 814       {
 815       if(dir == LEFT)
 816         tux_body->set_action("stand-left");
 817       else // dir == RIGHT
 818         tux_body->set_action("stand-right");
 819       }
 820     else // moving
 821       {
 822       if(dir == LEFT)
 823         tux_body->set_action("walk-left");
 824       else // dir == RIGHT
 825         tux_body->set_action("walk-right");
 826       }
 827     }
 828
 829   if(idle_timer.get_left() < 0)
 830     {
 831     if(size == BIG)
 832       {
 833       if(dir == LEFT)
 834         tux_body->head->set_action("idle-left");
 835       else // dir == RIGHT
 836         tux_body->head->set_action("idle-right");
 837
 838       tux_body->head->start_animation(1);
 839       }
 840
 841     idle_timer.start(IDLE_TIME);
 842     }
 843
 844   // Tux is holding something
 845   if ((holding_something && physic.get_velocity_y() == 0) ||
 846       shooting_timer.check())
 847     {
 848     if (duck)
 849       {
 850       if(dir == LEFT)
 851         tux_body->arms->set_action("duck+grab-left");
 852       else // dir == RIGHT
 853         tux_body->arms->set_action("duck+grab-right");
 854       }
 855     else
 856       {
 857       if(dir == LEFT)
 858         tux_body->arms->set_action("grab-left");
 859       else // dir == RIGHT
 860         tux_body->arms->set_action("grab-right");
 861       }
 862     }
 863
 864   /* Draw Tux */
 865   if (dying == DYING_SQUISHED)
 866     {
 867     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 868     }
 869   else if(growing_timer.check())
 870     {
 871     if(size == SMALL)
 872       {
 873       if (dir == RIGHT)
 874         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 875                  ((growing_timer.get_gone() *
 876                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 877       else
 878         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 879                 ((growing_timer.get_gone() *
 880                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 881       }
 882     else
 883       {
 884       if (dir == RIGHT)
 885         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 886                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
 887       else
 888         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 889                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
 890       }
 891     }
 892   else if (safe_timer.started() && global_frame_counter%2)
 893     ;  // don't draw Tux
 894   else
 895     tux_body->draw(context, pos, layer, dir == LEFT ? HORIZONTAL_FLIP : NONE_EFFECT);
 896
 897   // Draw blinking star overlay
 898   if (invincible_timer.started() &&
 899      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
 900      && !dying)
 901   {
 902     if (size == SMALL || duck)
 903       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 904     else
 905       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
 906   }
 907
 908   if (debug_mode)
 909     context.draw_filled_rect(Vector(base.x, base.y),
 910         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 911 }
 912
 913 void
 914 Player::collision(const MovingObject& other, int collision_type)
 915 {
 916   (void) other;
 917   (void) collision_type;
 918   // will be implemented later
 919 }
 920
 921 void
 922 Player::collision(void* p_c_object, int c_object)
 923 {
 924   BadGuy* pbad_c = NULL;
 925   Trampoline* ptramp_c = NULL;
 926   FlyingPlatform* pplatform_c = NULL;
 927
 928   switch (c_object)
 929     {
 930     case CO_BADGUY:
 931       pbad_c = (BadGuy*) p_c_object;
 932
 933      /* Hurt player if he touches a badguy */
 934       if (!pbad_c->dying && !dying &&
 935           !safe_timer.started() &&
 936           pbad_c->mode != BadGuy::HELD)
 937         {
 938           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 939                && !holding_something)
 940             {
 941               holding_something = true;
 942               pbad_c->mode = BadGuy::HELD;
 943               pbad_c->base.y-=8;
 944             }
 945           else if (pbad_c->mode == BadGuy::FLAT)
 946             {
 947               // Don't get hurt if we're kicking a flat badguy!
 948             }
 949           else if (pbad_c->mode == BadGuy::KICK)
 950             {
 951               /* Hurt if you get hit by kicked laptop: */
 952               if (!invincible_timer.started())
 953                 {
 954                   kill(SHRINK);
 955                 }
 956               else
 957                 pbad_c->kill_me(20);
 958             }
 959           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 960               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 961               || pbad_c->kind == BAD_SPIKY))
 962                 pbad_c->kill_me(20);
 963           else
 964             {
 965               if (!invincible_timer.started())
 966                 {
 967                   kill(SHRINK);
 968                 }
 969               else
 970                 {
 971                   pbad_c->kill_me(25);
 972                 }
 973             }
 974           player_status.score_multiplier++;
 975         }
 976       break;
 977
 978     case CO_TRAMPOLINE:
 979       ptramp_c = (Trampoline*) p_c_object;
 980
 981       // Pick up trampoline
 982       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 983       {
 984         holding_something = true;
 985         ptramp_c->mode = Trampoline::M_HELD;
 986         ptramp_c->base.y -= 8;
 987       }
 988       // Set down trampoline
 989       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 990       {
 991         holding_something = false;
 992         ptramp_c->mode = Trampoline::M_NORMAL;
 993         ptramp_c->base.y += 8;
 994         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 995
 996         //if (dir == RIGHT)
 997         //  ptramp_c->base.x = base.x + base.width+1;
 998         //else /* LEFT */
 999         //  ptramp_c->base.x = base.x - base.width-1;
1000       }
1001 /*
1002       // Don't let tux walk through trampoline
1003       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1004       {
1005         if (physic.get_velocity_x() > 0) // RIGHT
1006         {
1007           physic.set_velocity_x(0);
1008           base.x = ptramp_c->base.x - base.width;
1009         }
1010         else if (physic.get_velocity_x() < 0) // LEFT
1011         {
1012           physic.set_velocity_x(0);
1013           base.x = ptramp_c->base.x + ptramp_c->base.width;
1014         }
1015       }
1016 */
1017       break;
1018     case CO_FLYING_PLATFORM:
1019       pplatform_c = (FlyingPlatform*) p_c_object;
1020
1021       base.y = pplatform_c->base.y - base.height;
1022       physic.set_velocity_x(pplatform_c->get_vel_x());
1023
1024       physic.enable_gravity(false);
1025       can_jump = true;
1026       fall_mode = ON_GROUND;
1027       break;
1028
1029     default:
1030       break;
1031     }
1032
1033 }
1034
1035 /* Kill Player! */
1036
1037 void
1038 Player::kill(HurtMode mode)
1039 {
1040   if(dying)
1041     return;
1042
1043   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1044
1045   physic.set_velocity_x(0);
1046
1047   if (mode == SHRINK && size == BIG)
1048     {
1049       if (got_power != NONE_POWER)
1050         {
1051           safe_timer.start(TUX_SAFE_TIME);
1052           got_power = NONE_POWER;
1053         }
1054       else
1055         {
1056           growing_timer.start(GROWING_TIME);
1057           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1058           size = SMALL;
1059           base.height = 32;
1060           duck = false;
1061         }
1062     }
1063   else
1064     {
1065       physic.enable_gravity(true);
1066       physic.set_acceleration(0, 0);
1067       physic.set_velocity(0, 7);
1068       --player_status.lives;
1069       dying = DYING_SQUISHED;
1070       dying_timer.start(3000);
1071     }
1072 }
1073
1074 /* Remove Tux's power ups */
1075 void
1076 Player::remove_powerups()
1077 {
1078   got_power = NONE_POWER;
1079   size = SMALL;
1080   base.height = 32;
1081 }
1082
1083 void
1084 Player::move(const Vector& vector)
1085 {
1086   base.x = vector.x;
1087   base.y = vector.y;
1088   old_base = previous_base = base;
1089 }
1090
1091 void
1092 Player::check_bounds(Camera* camera)
1093 {
1094   /* Keep tux in bounds: */
1095   if (base.x < 0)
1096     { // Lock Tux to the size of the level, so that he doesn't fall of
1097       // on the left side
1098       base.x = 0;
1099     }
1100
1101   /* Keep in-bounds, vertically: */
1102   if (base.y > Sector::current()->solids->get_height() * 32)
1103     {
1104       kill(KILL);
1105       return;
1106     }
1107
1108   bool adjust = false;
1109   // can happen if back scrolling is disabled
1110   if(base.x < camera->get_translation().x) {
1111     base.x = camera->get_translation().x;
1112     adjust = true;
1113   }
1114   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1115     base.x = camera->get_translation().x + screen->w - base.width;
1116     adjust = true;
1117   }
1118
1119   if(adjust) {
1120     // squished now?
1121     if(collision_object_map(base)) {
1122       kill(KILL);
1123       return;
1124     }
1125   }
1126 }
1127
1128 void
1129 Player::bounce(BadGuy* badguy)
1130 {
1131   if (input.up)
1132     physic.set_velocity_y(5.2);
1133   else
1134     physic.set_velocity_y(2);
1135
1136   // Move the player a little bit above the badguy to avoid collision
1137   // between badguy and player directly after the bounce has happend
1138   base.y = badguy->base.y - base.height - 2;
1139 }
1140
1141 /* EOF */
1142