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 // growing animation
  47 Surface* growingtux_left[GROWING_FRAMES];
  48 Surface* growingtux_right[GROWING_FRAMES];
  49
  50 Surface* tux_life;
  51
  52 Sprite* smalltux_gameover;
  53 Sprite* smalltux_star;
  54 Sprite* largetux_star;
  55
  56 Sprite* small_tux;
  57 Sprite* big_tux;
  58 Sprite* ice_tux;
  59 Sprite* fire_tux;
  60
  61 Sprite* tux_arm;
  62
  63 PlayerKeymap keymap;
  64
  65 PlayerKeymap::PlayerKeymap()
  66 {
  67   keymap.jump  = SDLK_SPACE;
  68   keymap.activate = SDLK_UP;
  69   keymap.duck  = SDLK_DOWN;
  70   keymap.left  = SDLK_LEFT;
  71   keymap.right = SDLK_RIGHT;
  72   keymap.fire  = SDLK_LCTRL;
  73 }
  74
  75 void player_input_init(player_input_type* pplayer_input)
  76 {
  77   pplayer_input->down = UP;
  78   pplayer_input->fire = UP;
  79   pplayer_input->left = UP;
  80   pplayer_input->old_fire = UP;
  81   pplayer_input->right = UP;
  82   pplayer_input->up = UP;
  83   pplayer_input->old_up = UP;
  84   pplayer_input->activate = UP;
  85 }
  86
  87 Player::Player()
  88 {
  89   init();
  90 }
  91
  92 Player::~Player()
  93 {
  94 }
  95
  96 void
  97 Player::init()
  98 {
  99   holding_something = false;
 100
 101   base.width = 32;
 102   base.height = 32;
 103
 104   size = SMALL;
 105   got_power = NONE_POWER;
 106
 107   base.x = 0;
 108   base.y = 0;
 109   previous_base = old_base = base;
 110   dir = RIGHT;
 111   old_dir = dir;
 112   duck = false;
 113   dead = false;
 114
 115   dying   = DYING_NOT;
 116   last_ground_y = 0;
 117   fall_mode = ON_GROUND;
 118   jumping = false;
 119   can_jump = true;
 120   butt_jump = false;
 121
 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, Sector::current()->gravity);
 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           SoundManager::get()->play_sound(IDToSound(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         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 490       else
 491         SoundManager::get()->play_sound(IDToSound(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     // Add a smoke cloud
 514     if (duck)
 515       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 516     else
 517       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 518
 519     butt_jump = false;
 520
 521     // Break bricks beneath Tux
 522     if(Sector::current()->trybreakbrick(
 523           Vector(base.x + 1, base.y + base.height), false)
 524         || Sector::current()->trybreakbrick(
 525            Vector(base.x + base.width - 1, base.y + base.height), false))
 526     {
 527       physic.set_velocity_y(2);
 528       butt_jump = true;
 529     }
 530
 531     // Kill nearby badguys
 532     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 533     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 534          i != gameobjects.end();
 535          i++)
 536     {
 537       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 538       if(badguy)
 539       {
 540
 541         if (fabsf(base.x - badguy->base.x) < 150 &&
 542             fabsf(base.y - badguy->base.y) < 60 &&
 543             (issolid(badguy->base.x + 1, badguy->base.y + badguy->base.height) ||
 544               issolid(badguy->base.x + badguy->base.width - 1, badguy->base.y + badguy->base.height)))
 545           badguy->kill_me(25);
 546       }
 547     }
 548   }
 549
 550   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 551         issolid(base.x + 1, base.y + base.height + 64) ||
 552         issolid(base.x + base.width - 1, base.y + base.height + 64))
 553        && jumping  == false
 554        && can_jump == false
 555        && input.up == DOWN
 556        && input.old_up == UP)
 557     {
 558       can_jump = true;
 559     }
 560
 561   if(on_ground())   /* Make sure jumping is off. */
 562     jumping = false;
 563
 564   input.old_up = input.up;
 565 }
 566
 567 void
 568 Player::handle_input()
 569 {
 570   /* Handle horizontal movement: */
 571     handle_horizontal_input();
 572
 573   /* Jump/jumping? */
 574
 575   if (on_ground() && input.up == UP)
 576     can_jump = true;
 577   handle_vertical_input();
 578
 579   /* Shoot! */
 580   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 581     {
 582       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 583           physic.get_velocity_x(), dir))
 584         shooting_timer.start(SHOOTING_TIME);
 585       input.old_fire = DOWN;
 586     }
 587
 588   /* tux animations: */
 589   if(!frame_timer.check())
 590     {
 591       frame_timer.start(25);
 592       if (input.right == UP && input.left == UP)
 593         {
 594           frame_main = 1;
 595           frame_ = 1;
 596         }
 597       else
 598         {
 599           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 600               (global_frame_counter % 4) == 0)
 601             frame_main = (frame_main + 1) % 4;
 602
 603           frame_ = frame_main;
 604
 605           if (frame_ == 3)
 606             frame_ = 1;
 607         }
 608     }
 609
 610   /* Duck! */
 611   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 612     {
 613       duck = true;
 614       base.height = 32;
 615       base.y += 32;
 616       // changing base size confuses collision otherwise
 617       old_base = previous_base = base;
 618     }
 619   else if(input.down == UP && size == BIG && duck)
 620     {
 621       // try if we can really unduck
 622       base.y -= 32;
 623       base.height = 64;
 624       // when unducking in air we need some space to do so
 625       if(on_ground() || !collision_object_map(base)) {
 626         duck = false;
 627         // changing base size confuses collision otherwise
 628         old_base = previous_base = base;
 629       } else {
 630         // undo the ducking changes
 631         base.y += 32;
 632         base.height = 32;
 633       }
 634     }
 635 }
 636
 637 void
 638 Player::grow(bool animate)
 639 {
 640   if(size == BIG)
 641     return;
 642
 643   size = BIG;
 644   base.height = 64;
 645   base.y -= 32;
 646
 647   if(animate)
 648     growing_timer.start(GROWING_TIME);
 649
 650   old_base = previous_base = base;
 651 }
 652
 653 void
 654 Player::grabdistros()
 655 {
 656   /* Grab distros: */
 657   if (!dying)
 658     {
 659       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 660       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 661       Sector::current()->trygrabdistro(
 662           Vector(base.x, base.y + base.height), NO_BOUNCE);
 663       Sector::current()->trygrabdistro(
 664           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 665
 666       if(size == BIG)
 667         {
 668           Sector::current()->trygrabdistro(
 669               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 670           Sector::current()->trygrabdistro(
 671               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 672         }
 673
 674     }
 675
 676   /* Enough distros for a One-up? */
 677   if (player_status.distros >= DISTROS_LIFEUP)
 678     {
 679       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 680       if(player_status.lives < MAX_LIVES)
 681         ++player_status.lives;
 682       /*We want to hear the sound even, if MAX_LIVES is reached*/
 683       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 684     }
 685 }
 686
 687 void
 688 Player::draw(DrawingContext& context)
 689 {
 690   Sprite* sprite;
 691
 692   if (size == SMALL)
 693     sprite = small_tux;
 694   else if (got_power == FIRE_POWER)
 695     sprite = fire_tux;
 696   else if (got_power == ICE_POWER)
 697     sprite = ice_tux;
 698   else
 699     sprite = big_tux;
 700
 701   int layer = LAYER_OBJECTS - 1;
 702   Vector pos = Vector(base.x, base.y);
 703
 704   if ((!safe_timer.started() || growing_timer.started()) || (global_frame_counter % 2) == 0)
 705     {
 706       if (dying == DYING_SQUISHED)
 707         {
 708           smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
 709         }
 710       else
 711         {
 712           if(growing_timer.check())
 713             {
 714               if(size == SMALL)
 715                 {
 716                 if (dir == RIGHT)
 717                   context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 718                           ((growing_timer.get_gone() *
 719                           GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 720                 else
 721                   context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 722                           ((growing_timer.get_gone() *
 723                           GROWING_FRAMES) / GROWING_TIME)], pos, layer);
 724                 }
 725               else
 726                 {
 727                 if (dir == RIGHT)
 728                   context.draw_surface(growingtux_right[(growing_timer.get_gone() *
 729                           GROWING_FRAMES) / GROWING_TIME], pos, layer);
 730                 else
 731                   context.draw_surface(growingtux_left[(growing_timer.get_gone() *
 732                                        GROWING_FRAMES) / GROWING_TIME], pos, layer);
 733                 }
 734             }
 735           else if (duck && size != SMALL)
 736             {
 737               if (dir == RIGHT)
 738                 sprite->set_action("duck-right");
 739               else
 740                 sprite->set_action("duck-left");
 741             }
 742           else if (skidding_timer.started())
 743             {
 744               if (dir == RIGHT)
 745                 sprite->set_action("skid-right");
 746               else
 747                 sprite->set_action("skid-left");
 748             }
 749           else if (kick_timer.started())
 750             {
 751               if (dir == RIGHT)
 752                 sprite->set_action("kick-right");
 753               else
 754                 sprite->set_action("kick-left");
 755             }
 756           else if (physic.get_velocity_y() != 0)
 757             {
 758               if (dir == RIGHT)
 759                 sprite->set_action("jump-right");
 760               else
 761                 sprite->set_action("jump-left");
 762             }
 763           else
 764             {
 765               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 766                 {
 767                   if (dir == RIGHT)
 768                     sprite->set_action("stand-right");
 769                   else
 770                     sprite->set_action("stand-left");
 771                 }
 772               else // moving
 773                 {
 774                   if (dir == RIGHT)
 775                     sprite->set_action("walk-right");
 776                   else
 777                     sprite->set_action("walk-left");
 778                 }
 779             }
 780         }
 781     }
 782
 783   if(dying != DYING_SQUISHED && !growing_timer.check())
 784     sprite->draw(context, pos, layer);
 785
 786   // Draw arm overlay graphics when Tux is holding something
 787   if ((holding_something && physic.get_velocity_y() == 0) || shooting_timer.check() && !duck)
 788   {
 789     if (dir == RIGHT)
 790       tux_arm->set_action("grab-right");
 791     else
 792       tux_arm->set_action("grab-left");
 793     tux_arm->draw(context, pos, LAYER_OBJECTS + 1);
 794   }
 795
 796   // Draw blinking star overlay
 797   if (invincible_timer.started() &&
 798       (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
 799   {
 800     if (size == SMALL || duck)
 801       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
 802     else
 803       largetux_star->draw(context, pos, LAYER_OBJECTS + 2);
 804   }
 805
 806   if (debug_mode)
 807     context.draw_filled_rect(Vector(base.x, base.y),
 808         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
 809 }
 810
 811 void
 812 Player::collision(const MovingObject& other, int collision_type)
 813 {
 814   (void) other;
 815   (void) collision_type;
 816   // will be implemented later
 817 }
 818
 819 void
 820 Player::collision(void* p_c_object, int c_object)
 821 {
 822   BadGuy* pbad_c = NULL;
 823   Trampoline* ptramp_c = NULL;
 824   FlyingPlatform* pplatform_c = NULL;
 825
 826   switch (c_object)
 827     {
 828     case CO_BADGUY:
 829       pbad_c = (BadGuy*) p_c_object;
 830
 831      /* Hurt player if he touches a badguy */
 832       if (!pbad_c->dying && !dying &&
 833           !safe_timer.started() &&
 834           pbad_c->mode != BadGuy::HELD)
 835         {
 836           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
 837                && !holding_something)
 838             {
 839               holding_something = true;
 840               pbad_c->mode = BadGuy::HELD;
 841               pbad_c->base.y-=8;
 842             }
 843           else if (pbad_c->mode == BadGuy::FLAT)
 844             {
 845               // Don't get hurt if we're kicking a flat badguy!
 846             }
 847           else if (pbad_c->mode == BadGuy::KICK)
 848             {
 849               /* Hurt if you get hit by kicked laptop: */
 850               if (!invincible_timer.started())
 851                 {
 852                   kill(SHRINK);
 853                 }
 854               else
 855                 pbad_c->kill_me(20);
 856             }
 857           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
 858               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
 859               || pbad_c->kind == BAD_SPIKY))
 860                 pbad_c->kill_me(20);
 861           else
 862             {
 863               if (!invincible_timer.started())
 864                 {
 865                   kill(SHRINK);
 866                 }
 867               else
 868                 {
 869                   pbad_c->kill_me(25);
 870                 }
 871             }
 872           player_status.score_multiplier++;
 873         }
 874       break;
 875
 876     case CO_TRAMPOLINE:
 877       ptramp_c = (Trampoline*) p_c_object;
 878
 879       // Pick up trampoline
 880       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
 881       {
 882         holding_something = true;
 883         ptramp_c->mode = Trampoline::M_HELD;
 884         ptramp_c->base.y -= 8;
 885       }
 886       // Set down trampoline
 887       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
 888       {
 889         holding_something = false;
 890         ptramp_c->mode = Trampoline::M_NORMAL;
 891         ptramp_c->base.y += 8;
 892         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
 893
 894         //if (dir == RIGHT)
 895         //  ptramp_c->base.x = base.x + base.width+1;
 896         //else /* LEFT */
 897         //  ptramp_c->base.x = base.x - base.width-1;
 898       }
 899 /*
 900       // Don't let tux walk through trampoline
 901       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
 902       {
 903         if (physic.get_velocity_x() > 0) // RIGHT
 904         {
 905           physic.set_velocity_x(0);
 906           base.x = ptramp_c->base.x - base.width;
 907         }
 908         else if (physic.get_velocity_x() < 0) // LEFT
 909         {
 910           physic.set_velocity_x(0);
 911           base.x = ptramp_c->base.x + ptramp_c->base.width;
 912         }
 913       }
 914 */
 915       break;
 916     case CO_FLYING_PLATFORM:
 917       pplatform_c = (FlyingPlatform*) p_c_object;
 918
 919       base.y = pplatform_c->base.y - base.height;
 920       physic.set_velocity_x(pplatform_c->get_vel_x());
 921
 922       physic.enable_gravity(false);
 923       can_jump = true;
 924       fall_mode = ON_GROUND;
 925       break;
 926
 927     default:
 928       break;
 929     }
 930
 931 }
 932
 933 /* Kill Player! */
 934
 935 void
 936 Player::kill(HurtMode mode)
 937 {
 938   if(dying)
 939     return;
 940
 941   SoundManager::get()->play_sound(IDToSound(SND_HURT));
 942
 943   physic.set_velocity_x(0);
 944
 945   if (mode == SHRINK && size == BIG)
 946     {
 947       if (got_power != NONE_POWER)
 948         {
 949           safe_timer.start(TUX_SAFE_TIME);
 950           got_power = NONE_POWER;
 951         }
 952       else
 953         {
 954           growing_timer.start(GROWING_TIME);
 955           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
 956           size = SMALL;
 957           base.height = 32;
 958           duck = false;
 959         }
 960     }
 961   else
 962     {
 963       physic.enable_gravity(true);
 964       physic.set_acceleration(0, 0);
 965       physic.set_velocity(0, 7);
 966       --player_status.lives;
 967       dying = DYING_SQUISHED;
 968       dying_timer.start(3000);
 969     }
 970 }
 971
 972 /* Remove Tux's power ups */
 973 void
 974 Player::remove_powerups()
 975 {
 976   got_power = NONE_POWER;
 977   size = SMALL;
 978   base.height = 32;
 979 }
 980
 981 void
 982 Player::move(const Vector& vector)
 983 {
 984   base.x = vector.x;
 985   base.y = vector.y;
 986   old_base = previous_base = base;
 987 }
 988
 989 void
 990 Player::check_bounds(Camera* camera)
 991 {
 992   /* Keep tux in bounds: */
 993   if (base.x < 0)
 994     { // Lock Tux to the size of the level, so that he doesn't fall of
 995       // on the left side
 996       base.x = 0;
 997     }
 998
 999   /* Keep in-bounds, vertically: */
1000   if (base.y > Sector::current()->solids->get_height() * 32)
1001     {
1002       kill(KILL);
1003       return;
1004     }
1005
1006   bool adjust = false;
1007   // can happen if back scrolling is disabled
1008   if(base.x < camera->get_translation().x) {
1009     base.x = camera->get_translation().x;
1010     adjust = true;
1011   }
1012   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1013     base.x = camera->get_translation().x + screen->w - base.width;
1014     adjust = true;
1015   }
1016
1017   if(adjust) {
1018     // squished now?
1019     if(collision_object_map(base)) {
1020       kill(KILL);
1021       return;
1022     }
1023   }
1024 }
1025
1026 void
1027 Player::bounce(BadGuy* badguy)
1028 {
1029   if (input.up)
1030     physic.set_velocity_y(5.2);
1031   else
1032     physic.set_velocity_y(2);
1033
1034   // Move the player a little bit above the badguy to avoid collision
1035   // between badguy and player directly after the bounce has happend
1036   base.y = badguy->base.y - base.height - 2;
1037 }
1038
1039 /* EOF */
1040