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