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 "app/globals.h"
  25 #include "app/gettext.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 #include "gameloop.h"
  40
  41 // behavior definitions:
  42 #define TILES_FOR_BUTTJUMP 3
  43 // animation times (in ms):
  44 #define SHOOTING_TIME 320
  45 // others stuff:
  46 #define AUTOSCROLL_DEAD_INTERVAL 300
  47
  48 // time before idle animation starts
  49 #define IDLE_TIME 2500
  50
  51 // growing animation
  52 Surface* growingtux_left[GROWING_FRAMES];
  53 Surface* growingtux_right[GROWING_FRAMES];
  54
  55 Surface* tux_life;
  56
  57 Sprite* smalltux_gameover;
  58 Sprite* smalltux_star;
  59 Sprite* bigtux_star;
  60
  61 TuxBodyParts* small_tux;
  62 TuxBodyParts* big_tux;
  63 TuxBodyParts* fire_tux;
  64 TuxBodyParts* ice_tux;
  65
  66 PlayerKeymap keymap;
  67
  68 PlayerKeymap::PlayerKeymap()
  69 {
  70   keymap.up    = SDLK_UP;
  71   keymap.down  = SDLK_DOWN;
  72   keymap.left  = SDLK_LEFT;
  73   keymap.right = SDLK_RIGHT;
  74
  75   keymap.power = SDLK_LCTRL;
  76   keymap.jump  = SDLK_LALT;
  77 }
  78
  79 void player_input_init(player_input_type* pplayer_input)
  80 {
  81   pplayer_input->up = UP;
  82   pplayer_input->down = UP;
  83   pplayer_input->fire = UP;
  84   pplayer_input->left = UP;
  85   pplayer_input->old_fire = UP;
  86   pplayer_input->right = UP;
  87   pplayer_input->jump = UP;
  88   pplayer_input->old_jump = UP;
  89   pplayer_input->activate = UP;
  90 }
  91
  92 void
  93 TuxBodyParts::set_action(std::string action)
  94 {
  95   if(head != NULL)
  96     head->set_action(action);
  97   if(body != NULL)
  98     body->set_action(action);
  99   if(arms != NULL)
 100     arms->set_action(action);
 101   if(feet != NULL)
 102     feet->set_action(action);
 103 }
 104
 105 void
 106 TuxBodyParts::one_time_animation()
 107 {
 108   if(head != NULL)
 109     head->start_animation(1);
 110   if(body != NULL)
 111     body->start_animation(1);
 112   if(arms != NULL)
 113     arms->start_animation(1);
 114   if(feet != NULL)
 115     feet->start_animation(1);
 116 }
 117
 118 void
 119 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer,
 120                   Uint32 drawing_effect)
 121 {
 122   if(head != NULL)
 123     head->draw(context, pos, layer-1, drawing_effect);
 124   if(body != NULL)
 125     body->draw(context, pos, layer-3, drawing_effect);
 126   if(arms != NULL)
 127     arms->draw(context, pos, layer,   drawing_effect);
 128   if(feet != NULL)
 129     feet->draw(context, pos, layer-2, drawing_effect);
 130 }
 131
 132 Player::Player()
 133 {
 134   init();
 135 }
 136
 137 Player::~Player()
 138 {
 139 }
 140
 141 void
 142 Player::init()
 143 {
 144   holding_something = false;
 145
 146   base.width = 32;
 147   base.height = 32;
 148
 149   size = SMALL;
 150   got_power = NONE_POWER;
 151
 152   base.x = 0;
 153   base.y = 0;
 154   previous_base = old_base = base;
 155   dir = RIGHT;
 156   old_dir = dir;
 157   duck = false;
 158   dead = false;
 159
 160   dying   = DYING_NOT;
 161   last_ground_y = 0;
 162   fall_mode = ON_GROUND;
 163   jumping = false;
 164   flapping = false;
 165   can_jump = true;
 166   can_flap = false;
 167   falling_from_flap = false;
 168   enable_hover = false;
 169   butt_jump = false;
 170
 171   flapping_velocity = 0;
 172
 173   // temporary to help player's choosing a flapping
 174   int flapping_mode = MAREK_FLAP;
 175
 176   // Ricardo's flapping
 177   flaps_nb = 0;
 178
 179   frame_main = 0;
 180   frame_ = 0;
 181
 182   player_input_init(&input);
 183
 184   invincible_timer.init(true);
 185   skidding_timer.init(true);
 186   safe_timer.init(true);
 187   frame_timer.init(true);
 188   kick_timer.init(true);
 189   shooting_timer.init(true);
 190   growing_timer.init(true);
 191   idle_timer.init(true);
 192   flapping_timer.init(true);
 193
 194   physic.reset();
 195 }
 196
 197 int
 198 Player::key_event(SDLKey key, int state)
 199 {
 200   idle_timer.start(IDLE_TIME);
 201
 202   if(key == keymap.right)
 203     {
 204       input.right = state;
 205       return true;
 206     }
 207   else if(key == keymap.left)
 208     {
 209       input.left = state;
 210       return true;
 211     }
 212   else if(key == keymap.up)
 213     {
 214       input.up = state;
 215
 216       /* Up key also opens activates stuff */
 217       input.activate = state;
 218
 219       if(state == DOWN) {
 220         /** check for interactive objects */
 221         for(Sector::InteractiveObjects::iterator i
 222             = Sector::current()->interactive_objects.begin();
 223             i != Sector::current()->interactive_objects.end(); ++i) {
 224           if(rectcollision(base, (*i)->get_area())) {
 225             (*i)->interaction(INTERACTION_ACTIVATE);
 226           }
 227         }
 228       }
 229
 230       return true;
 231     }
 232   else if(key == keymap.down)
 233     {
 234       input.down = state;
 235       return true;
 236     }
 237   else if(key == keymap.power)
 238     {
 239       if (state == UP)
 240         input.old_fire = UP;
 241       input.fire = state;
 242
 243       return true;
 244     }
 245   else if(key == keymap.jump)
 246     {
 247       if (state == UP)
 248         input.old_jump = UP;
 249       input.jump = state;
 250       return true;
 251     }
 252   else
 253     return false;
 254 }
 255
 256 void
 257 Player::level_begin()
 258 {
 259   base.x  = 100;
 260   base.y  = 170;
 261   previous_base = old_base = base;
 262   duck = false;
 263
 264   dying = DYING_NOT;
 265
 266   player_input_init(&input);
 267
 268   invincible_timer.init(true);
 269   skidding_timer.init(true);
 270   safe_timer.init(true);
 271   frame_timer.init(true);
 272   growing_timer.init(true);
 273   idle_timer.init(true);
 274
 275   physic.reset();
 276 }
 277
 278 void
 279 Player::action(float elapsed_time)
 280 {
 281   bool jumped_in_solid = false;
 282
 283   if(dying && !dying_timer.check()) {
 284     dead = true;
 285     return;
 286   }
 287
 288   if (input.fire == UP)
 289     holding_something = false;
 290
 291   /* Move tux: */
 292   previous_base = base;
 293
 294   /* --- HANDLE TUX! --- */
 295   if(dying == DYING_NOT)
 296     handle_input();
 297
 298   physic.apply(elapsed_time, base.x, base.y, Sector::current()->gravity);
 299
 300   if(dying == DYING_NOT)
 301     {
 302       base_type target = base;
 303
 304       collision_swept_object_map(&old_base, &base);
 305
 306       if ((!invincible_timer.started() && !safe_timer.started())
 307           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
 308           ||  isspike(base.x, base.y + base.height)
 309           ||  isspike(base.x + base.width, base.y + base.height)))
 310       {
 311          kill(SHRINK);
 312       }
 313
 314       // Don't accelerate Tux if he is running against a wall
 315       if (target.x != base.x)
 316         {
 317           physic.set_velocity_x(0);
 318         }
 319
 320       // special exception for cases where we're stuck under tiles after
 321       // being ducked. In this case we drift out
 322       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 323          && collision_object_map(base))
 324         {
 325           base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 326           previous_base = old_base = base;
 327         }
 328
 329       // Land:
 330       if (!on_ground())
 331         {
 332           physic.enable_gravity(true);
 333           if(under_solid())
 334             {
 335               // fall down
 336               physic.set_velocity_y(0);
 337               jumped_in_solid = true;
 338               jumping = false;
 339               flapping = false;
 340             }
 341         }
 342       else
 343         {
 344           /* Land: */
 345           if (physic.get_velocity_y() < 0)
 346             {
 347               base.y = (int)(((int)base.y / 32) * 32);
 348               physic.set_velocity_y(0);
 349             }
 350
 351           physic.enable_gravity(false);
 352           /* Reset score multiplier (for multi-hits): */
 353           if (!invincible_timer.started())
 354             {
 355             /*if(player_status.score_multiplier > 2)
 356               {  // show a message
 357               char str[124];
 358               sprintf(str, _("%d bad guys in a row!"), player_status.score_multiplier-1);
 359               Sector::current()->add_floating_text(base, str);
 360               }*/
 361             player_status.score_multiplier = 1;
 362             }
 363         }
 364
 365       if(jumped_in_solid)
 366         {
 367           if (isbrick(base.x, base.y) ||
 368               isfullbox(base.x, base.y))
 369             {
 370               Sector::current()->trygrabdistro(
 371                   Vector(base.x, base.y - 32), BOUNCE);
 372               Sector::current()->trybumpbadguy(Vector(base.x, base.y - 64));
 373
 374               Sector::current()->trybreakbrick(
 375                   Vector(base.x, base.y), size == SMALL);
 376
 377               bumpbrick(base.x, base.y);
 378               Sector::current()->tryemptybox(Vector(base.x, base.y), RIGHT);
 379             }
 380
 381           if (isbrick(base.x+ 31, base.y) ||
 382               isfullbox(base.x+ 31, base.y))
 383             {
 384               Sector::current()->trygrabdistro(
 385                   Vector(base.x+ 31, base.y - 32), BOUNCE);
 386               Sector::current()->trybumpbadguy(Vector(base.x+ 31, base.y - 64));
 387
 388               if(size == BIG)
 389                 Sector::current()->trybreakbrick(
 390                     Vector(base.x+ 31, base.y), size == SMALL);
 391
 392               bumpbrick(base.x+ 31, base.y);
 393               Sector::current()->tryemptybox(Vector(base.x+ 31, base.y), LEFT);
 394             }
 395         }
 396
 397       grabdistros();
 398
 399       if (jumped_in_solid)
 400         {
 401           ++base.y;
 402           ++old_base.y;
 403           if(on_ground())
 404             {
 405               /* Make sure jumping is off. */
 406               jumping = false;
 407               flapping = false;
 408             }
 409         }
 410     }
 411
 412   /* ---- DONE HANDLING TUX! --- */
 413
 414   // check some timers
 415   skidding_timer.check();
 416   invincible_timer.check();
 417   safe_timer.check();
 418   kick_timer.check();
 419 }
 420
 421 bool
 422 Player::on_ground()
 423 {
 424   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
 425            issolid(base.x + 1, base.y + base.height) ||
 426            issolid(base.x + base.width - 1, base.y + base.height));
 427 }
 428
 429 bool
 430 Player::under_solid()
 431 {
 432   return ( issolid(base.x + base.width / 2, base.y) ||
 433            issolid(base.x + 1, base.y) ||
 434            issolid(base.x + base.width - 1, base.y)  );
 435 }
 436
 437 bool
 438 Player::tiles_on_air(int tiles)
 439 {
 440   for(int t = 0; t != tiles; t++)
 441      {
 442      if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
 443          issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
 444          issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
 445        return false;
 446      }
 447   return true;
 448 }
 449
 450 void
 451 Player::handle_horizontal_input()
 452 {
 453   float vx = physic.get_velocity_x();
 454   float vy = physic.get_velocity_y();
 455   float ax = physic.get_acceleration_x();
 456   float ay = physic.get_acceleration_y();
 457
 458   float dirsign = 0;
 459   if(input.left == DOWN && input.right == UP && (!duck || physic.get_velocity_y() != 0)) {
 460       old_dir = dir;
 461       dir = LEFT;
 462       dirsign = -1;
 463   } else if(input.left == UP && input.right == DOWN && (!duck || physic.get_velocity_y() != 0)) {
 464       old_dir = dir;
 465       dir = RIGHT;
 466       dirsign = 1;
 467   }
 468
 469   if (input.fire == UP) {
 470       ax = dirsign * WALK_ACCELERATION_X;
 471       // limit speed
 472       if(vx >= MAX_WALK_XM && dirsign > 0) {
 473         vx = MAX_WALK_XM;
 474         ax = 0;
 475       } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 476         vx = -MAX_WALK_XM;
 477         ax = 0;
 478       }
 479   } else {
 480       ax = dirsign * RUN_ACCELERATION_X;
 481       // limit speed
 482       if(vx >= MAX_RUN_XM && dirsign > 0) {
 483         vx = MAX_RUN_XM;
 484         ax = 0;
 485       } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 486         vx = -MAX_RUN_XM;
 487         ax = 0;
 488       }
 489   }
 490
 491   // we can reach WALK_SPEED without any acceleration
 492   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 493     vx = dirsign * WALK_SPEED;
 494   }
 495
 496   // changing directions?
 497   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0)))
 498     {
 499       // let's skid!
 500       if(fabs(vx)>SKID_XM && !skidding_timer.check())
 501         {
 502           skidding_timer.start(SKID_TIME);
 503           SoundManager::get()->play_sound(IDToSound(SND_SKID));
 504           // dust some partcles
 505           Sector::current()->add_particles(
 506               Vector(base.x + (dir == RIGHT ? base.width : 0), base.y+base.height),
 507               dir == RIGHT ? 270+20 : 90-40, dir == RIGHT ? 270+40 : 90-20,
 508               Vector(2.8,-2.6), Vector(0,0.030), 3, Color(100,100,100), 3, 800,
 509               LAYER_OBJECTS+1);
 510
 511           ax *= 2.5;
 512         }
 513       else
 514         {
 515           ax *= 2;
 516         }
 517     }
 518
 519   // we get slower when not pressing any keys
 520   if(dirsign == 0) {
 521       if(fabs(vx) < WALK_SPEED) {
 522           vx = 0;
 523           ax = 0;
 524       } else if(vx < 0) {
 525           ax = WALK_ACCELERATION_X * 1.5;
 526       } else {
 527           ax = WALK_ACCELERATION_X * -1.5;
 528       }
 529   }
 530
 531   // if we're on ice slow down acceleration or deceleration
 532   if (isice(base.x, base.y + base.height))
 533   {
 534     /* the acceleration/deceleration rate on ice is inversely proportional to
 535      * the current velocity.
 536      */
 537
 538     // increasing 1 will increase acceleration/deceleration rate
 539     // decreasing 1 will decrease acceleration/deceleration rate
 540     //  must stay above zero, though
 541     if (ax != 0) ax *= 1 / fabs(vx);
 542   }
 543
 544   physic.set_velocity(vx, vy);
 545   physic.set_acceleration(ax, ay);
 546 }
 547
 548 void
 549 Player::handle_vertical_input()
 550 {
 551
 552   // set fall mode...
 553   if(on_ground()) {
 554     fall_mode = ON_GROUND;
 555     last_ground_y = base.y;
 556   } else {
 557     if(base.y > last_ground_y)
 558       fall_mode = FALLING;
 559     else if(fall_mode == ON_GROUND)
 560       fall_mode = JUMPING;
 561   }
 562
 563   // Press jump key
 564   if(input.jump == DOWN && can_jump && on_ground())
 565     {
 566       if(duck) { // only jump a little bit when in duck mode {
 567         physic.set_velocity_y(3);
 568       } else {
 569         // jump higher if we are running
 570         if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
 571           physic.set_velocity_y(5.8);
 572         else
 573           physic.set_velocity_y(5.2);
 574       }
 575
 576       --base.y;
 577       jumping = true;
 578       flapping = false;
 579       can_jump = false;
 580       can_flap = false;
 581       flaps_nb = 0; // Ricardo's flapping
 582       if (size == SMALL)
 583         SoundManager::get()->play_sound(IDToSound(SND_JUMP));
 584       else
 585         SoundManager::get()->play_sound(IDToSound(SND_BIGJUMP));
 586     }
 587   // Let go of jump key
 588   else if(input.jump == UP)
 589     {
 590       if (!flapping && !duck && !falling_from_flap && !on_ground())
 591          {
 592             can_flap = true;
 593          }
 594       if (jumping && physic.get_velocity_y() > 0)
 595          {
 596             jumping = false;
 597             physic.set_velocity_y(0);
 598          }
 599     }
 600
 601  // temporary to help player's choosing a flapping
 602  if(flapping_mode == RICARDO_FLAP)
 603    {
 604    // Flapping, Ricardo's version
 605    // similar to SM3 Fox
 606    if(input.jump == DOWN && input.old_jump == UP && can_flap &&
 607      flaps_nb < 3)
 608      {
 609        physic.set_velocity_y(3.5);
 610        physic.set_velocity_x(physic.get_velocity_x() * 0.35);
 611        flaps_nb++;
 612      }
 613    }
 614   else if(flapping_mode == MAREK_FLAP)
 615    {
 616    // Flapping, Marek's version
 617    if (input.jump == DOWN && can_flap)
 618      {
 619          if (!flapping_timer.started())
 620             {
 621                flapping_timer.start(TUX_FLAPPING_TIME);
 622                flapping_velocity = physic.get_velocity_x();
 623             }
 624          if (!flapping_timer.check())
 625             {
 626                can_flap = false;
 627                falling_from_flap = true;
 628             }
 629          jumping = true;
 630          flapping = true;
 631          if (flapping_timer.get_gone() <= TUX_FLAPPING_TIME)
 632             {
 633                float cv;
 634                if (flapping_velocity == 0) {cv = 0;}
 635                else {cv = flapping_velocity*(sqrt(TUX_FLAPPING_TIME-(float)flapping_timer.get_gone()))/sqrt(TUX_FLAPPING_TIME);}
 636                //Handle change of direction while flapping
 637                if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {cv *= (-1);}
 638                physic.set_velocity_x(cv);
 639                physic.set_velocity_y((float)flapping_timer.get_gone()/850);
 640             }
 641      }
 642    }
 643   else if(flapping_mode == RYAN_FLAP)
 644    {
 645    // Flapping, Ryan's version
 646    if (input.jump == DOWN && can_flap)
 647      {
 648          if (!flapping_timer.started())
 649             {
 650                flapping_timer.start(TUX_FLAPPING_TIME);
 651             }
 652          if (!flapping_timer.check())
 653             {
 654                can_flap = false;
 655                falling_from_flap = true;
 656             }
 657          jumping = true;
 658          flapping = true;
 659          if (flapping && flapping_timer.get_gone() <= TUX_FLAPPING_TIME
 660                 && physic.get_velocity_y() < 0)
 661             {
 662                float gravity = Sector::current()->gravity;
 663                float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
 664
 665                // XXX: magic numbers. should be a percent of gravity
 666                //      gravity is (by default) -0.1f
 667                physic.set_acceleration_y(.12 + .01f*xr);
 668
 669 #if 0
 670                // To slow down x-vel when flapping (not working)
 671                if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
 672                {
 673                    if (physic.get_velocity_x() < 0)
 674                        physic.set_acceleration_x(1.0f);
 675                    else if (physic.get_velocity_x() > 0)
 676                        physic.set_acceleration_x(-1.0f);
 677                }
 678 #endif
 679             }
 680      }
 681     else
 682      {
 683         physic.set_acceleration_y(0);
 684      }
 685    }
 686
 687
 688    // Hover
 689    //(disabled by default, use cheat code "hover" to toggle on/off)
 690    //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
 691    if (enable_hover && input.jump == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
 692       {
 693          physic.set_velocity_y(-1);
 694       }
 695
 696    /* In case the player has pressed Down while in a certain range of air,
 697       enable butt jump action */
 698   if (input.down == DOWN && !butt_jump && !duck)
 699     if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 700       butt_jump = true;
 701
 702    /* When Down is not held anymore, disable butt jump */
 703   if(butt_jump && input.down == UP)
 704     butt_jump = false;
 705
 706   // Do butt jump
 707   if (butt_jump && on_ground() && size == BIG)
 708   {
 709     // Add a smoke cloud
 710     if (duck)
 711       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y));
 712     else
 713       Sector::current()->add_smoke_cloud(Vector(base.x - 32, base.y + 32));
 714
 715     butt_jump = false;
 716
 717     // Break bricks beneath Tux
 718     if(Sector::current()->trybreakbrick(
 719           Vector(base.x + 1, base.y + base.height), false)
 720         || Sector::current()->trybreakbrick(
 721            Vector(base.x + base.width - 1, base.y + base.height), false))
 722     {
 723       physic.set_velocity_y(2);
 724       butt_jump = true;
 725     }
 726
 727     // Kill nearby badguys
 728     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 729     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 730          i != gameobjects.end();
 731          i++)
 732     {
 733       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 734       if(badguy)
 735       {
 736         // don't kill when badguys are already dying or in a certain mode
 737         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 738            badguy->mode != BadGuy::BOMB_EXPLODE)
 739           {
 740             if (fabsf(base.x - badguy->base.x) < 96 &&
 741                 fabsf(base.y - badguy->base.y) < 64)
 742               badguy->kill_me(25);
 743           }
 744       }
 745     }
 746   }
 747
 748   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
 749         issolid(base.x + 1, base.y + base.height + 64) ||
 750         issolid(base.x + base.width - 1, base.y + base.height + 64))
 751        && jumping  == false
 752        && can_jump == false
 753        && input.jump == DOWN
 754        && input.old_jump == UP)
 755     {
 756       can_jump = true;
 757     }
 758
 759   if(on_ground())   /* Make sure jumping is off. */
 760     {
 761       jumping = false;
 762       flapping = false;
 763       falling_from_flap = false;
 764       if (flapping_timer.started()) {flapping_timer.stop();}
 765
 766       physic.set_acceleration_y(0); //for flapping
 767     }
 768
 769   input.old_jump = input.jump;
 770 }
 771
 772 void
 773 Player::handle_input()
 774 {
 775   /* Handle horizontal movement: */
 776     handle_horizontal_input();
 777
 778   /* Jump/jumping? */
 779
 780   if (on_ground() && input.jump == UP)
 781     can_jump = true;
 782   handle_vertical_input();
 783
 784   /* Shoot! */
 785   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
 786     {
 787       if(Sector::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
 788           physic.get_velocity_x(), dir))
 789         shooting_timer.start(SHOOTING_TIME);
 790       input.old_fire = DOWN;
 791     }
 792
 793   /* tux animations: */
 794   if(!frame_timer.check())
 795     {
 796       frame_timer.start(25);
 797       if (input.right == UP && input.left == UP)
 798         {
 799           frame_main = 1;
 800           frame_ = 1;
 801         }
 802       else
 803         {
 804           if ((input.fire == DOWN && (global_frame_counter % 2) == 0) ||
 805               (global_frame_counter % 4) == 0)
 806             frame_main = (frame_main + 1) % 4;
 807
 808           frame_ = frame_main;
 809
 810           if (frame_ == 3)
 811             frame_ = 1;
 812         }
 813     }
 814
 815   /* Duck! */
 816   if (input.down == DOWN && size == BIG && !duck && physic.get_velocity_y() == 0 && on_ground())
 817     {
 818       duck = true;
 819       base.height = 32;
 820       base.y += 32;
 821       // changing base size confuses collision otherwise
 822       old_base = previous_base = base;
 823     }
 824   else if(input.down == UP && size == BIG && duck)
 825     {
 826       // try if we can really unduck
 827       base.y -= 32;
 828       base.height = 64;
 829       // when unducking in air we need some space to do so
 830       if(on_ground() || !collision_object_map(base)) {
 831         duck = false;
 832         // changing base size confuses collision otherwise
 833         old_base = previous_base = base;
 834       } else {
 835         // undo the ducking changes
 836         base.y += 32;
 837         base.height = 32;
 838       }
 839     }
 840 }
 841
 842 void
 843 Player::grow(bool animate)
 844 {
 845   if(size == BIG)
 846     return;
 847
 848   size = BIG;
 849   base.height = 64;
 850   base.y -= 32;
 851
 852   if(animate)
 853     growing_timer.start(GROWING_TIME);
 854
 855   old_base = previous_base = base;
 856 }
 857
 858 void
 859 Player::grabdistros()
 860 {
 861   /* Grab distros: */
 862   if (!dying)
 863     {
 864       Sector::current()->trygrabdistro(Vector(base.x, base.y), NO_BOUNCE);
 865       Sector::current()->trygrabdistro(Vector(base.x+ 31, base.y), NO_BOUNCE);
 866       Sector::current()->trygrabdistro(
 867           Vector(base.x, base.y + base.height), NO_BOUNCE);
 868       Sector::current()->trygrabdistro(
 869           Vector(base.x+ 31, base.y + base.height), NO_BOUNCE);
 870
 871       if(size == BIG)
 872         {
 873           Sector::current()->trygrabdistro(
 874               Vector(base.x, base.y + base.height / 2), NO_BOUNCE);
 875           Sector::current()->trygrabdistro(
 876               Vector(base.x+ 31, base.y + base.height / 2), NO_BOUNCE);
 877         }
 878
 879     }
 880
 881   /* Enough distros for a One-up? */
 882   if (player_status.distros >= DISTROS_LIFEUP)
 883     {
 884       player_status.distros = player_status.distros - DISTROS_LIFEUP;
 885       if(player_status.lives < MAX_LIVES)
 886         ++player_status.lives;
 887       /*We want to hear the sound even, if MAX_LIVES is reached*/
 888       SoundManager::get()->play_sound(IDToSound(SND_LIFEUP));
 889     }
 890 }
 891
 892 void
 893 Player::draw(DrawingContext& context)
 894 {
 895   TuxBodyParts* tux_body;
 896
 897   if (size == SMALL)
 898     tux_body = small_tux;
 899   else if (got_power == FIRE_POWER)
 900     tux_body = fire_tux;
 901   else if (got_power == ICE_POWER)
 902     tux_body = ice_tux;
 903   else
 904     tux_body = big_tux;
 905
 906   int layer = LAYER_OBJECTS - 1;
 907   Vector pos = Vector(base.x, base.y);
 908
 909   /* Set Tux sprite action */
 910   if (duck && size == BIG)
 911     {
 912     if(dir == LEFT)
 913       tux_body->set_action("duck-left");
 914     else // dir == RIGHT
 915       tux_body->set_action("duck-right");
 916     }
 917   else if (skidding_timer.started())
 918     {
 919     if(dir == LEFT)
 920       tux_body->set_action("skid-left");
 921     else // dir == RIGHT
 922       tux_body->set_action("skid-right");
 923     }
 924   else if (kick_timer.started())
 925     {
 926     if(dir == LEFT)
 927       tux_body->set_action("kick-left");
 928     else // dir == RIGHT
 929       tux_body->set_action("kick-right");
 930     }
 931   else if (butt_jump && size == BIG)
 932     {
 933     if(dir == LEFT)
 934       tux_body->set_action("buttjump-left");
 935     else // dir == RIGHT
 936       tux_body->set_action("buttjump-right");
 937     }
 938   else if (physic.get_velocity_y() != 0)
 939     {
 940     if(dir == LEFT)
 941       tux_body->set_action("jump-left");
 942     else // dir == RIGHT
 943       tux_body->set_action("jump-right");
 944     }
 945   else
 946     {
 947     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 948       {
 949       if(dir == LEFT)
 950         tux_body->set_action("stand-left");
 951       else // dir == RIGHT
 952         tux_body->set_action("stand-right");
 953       }
 954     else // moving
 955       {
 956       if(dir == LEFT)
 957         tux_body->set_action("walk-left");
 958       else // dir == RIGHT
 959         tux_body->set_action("walk-right");
 960       }
 961     }
 962
 963   if(idle_timer.get_left() < 0)
 964     {
 965     if(size == BIG)
 966       {
 967       if(dir == LEFT)
 968         tux_body->head->set_action("idle-left");
 969       else // dir == RIGHT
 970         tux_body->head->set_action("idle-right");
 971
 972       tux_body->head->start_animation(1);
 973       }
 974
 975     idle_timer.start(IDLE_TIME);
 976     }
 977
 978   // Tux is holding something
 979   if ((holding_something && physic.get_velocity_y() == 0) ||
 980       shooting_timer.check())
 981     {
 982     if (duck)
 983       {
 984       if(dir == LEFT)
 985         tux_body->arms->set_action("duck+grab-left");
 986       else // dir == RIGHT
 987         tux_body->arms->set_action("duck+grab-right");
 988       }
 989     else
 990       {
 991       if(dir == LEFT)
 992         tux_body->arms->set_action("grab-left");
 993       else // dir == RIGHT
 994         tux_body->arms->set_action("grab-right");
 995       }
 996     }
 997
 998   /* Draw Tux */
 999   if (dying == DYING_SQUISHED)
1000     {
1001     smalltux_gameover->draw(context, pos, LAYER_FOREGROUNDTILES+1);
1002     }
1003   else if(growing_timer.check())
1004     {
1005     if(size == SMALL)
1006       {
1007       if (dir == RIGHT)
1008         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
1009                  ((growing_timer.get_gone() *
1010                  GROWING_FRAMES) / GROWING_TIME)], pos, layer);
1011       else
1012         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
1013                 ((growing_timer.get_gone() *
1014                 GROWING_FRAMES) / GROWING_TIME)], pos, layer);
1015       }
1016     else
1017       {
1018       if (dir == RIGHT)
1019         context.draw_surface(growingtux_right[(growing_timer.get_gone() *
1020                 GROWING_FRAMES) / GROWING_TIME], pos, layer);
1021       else
1022         context.draw_surface(growingtux_left[(growing_timer.get_gone() *
1023                              GROWING_FRAMES) / GROWING_TIME], pos, layer);
1024       }
1025     }
1026   else if (safe_timer.started() && global_frame_counter%2)
1027     ;  // don't draw Tux
1028   else
1029     tux_body->draw(context, pos, layer);
1030
1031   // Draw blinking star overlay
1032   if (invincible_timer.started() &&
1033      (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3)
1034      && !dying)
1035   {
1036     if (size == SMALL || duck)
1037       smalltux_star->draw(context, pos, LAYER_OBJECTS + 2);
1038     else
1039       bigtux_star->draw(context, pos, LAYER_OBJECTS + 2);
1040   }
1041
1042   if (debug_mode)
1043     context.draw_filled_rect(Vector(base.x, base.y),
1044         Vector(base.width, base.height), Color(75,75,75, 150), LAYER_OBJECTS+1);
1045 }
1046
1047 void
1048 Player::collision(const MovingObject& other, int collision_type)
1049 {
1050   (void) other;
1051   (void) collision_type;
1052   // will be implemented later
1053 }
1054
1055 void
1056 Player::collision(void* p_c_object, int c_object)
1057 {
1058   BadGuy* pbad_c = NULL;
1059   Trampoline* ptramp_c = NULL;
1060   FlyingPlatform* pplatform_c = NULL;
1061
1062   switch (c_object)
1063     {
1064     case CO_BADGUY:
1065       pbad_c = (BadGuy*) p_c_object;
1066
1067      /* Hurt player if he touches a badguy */
1068       if (!pbad_c->dying && !dying &&
1069           !safe_timer.started() &&
1070           pbad_c->mode != BadGuy::HELD)
1071         {
1072           if (pbad_c->mode == BadGuy::FLAT && input.fire == DOWN
1073                && !holding_something)
1074             {
1075               holding_something = true;
1076               pbad_c->mode = BadGuy::HELD;
1077               pbad_c->base.y-=8;
1078             }
1079           else if (pbad_c->mode == BadGuy::FLAT)
1080             {
1081               // Don't get hurt if we're kicking a flat badguy!
1082             }
1083           else if (pbad_c->mode == BadGuy::KICK)
1084             {
1085               /* Hurt if you get hit by kicked laptop: */
1086               if (!invincible_timer.started())
1087                 {
1088                   kill(SHRINK);
1089                 }
1090               else
1091                 pbad_c->kill_me(20);
1092             }
1093           else if (pbad_c->frozen_timer.check() && (pbad_c->kind == BAD_MRBOMB
1094               || pbad_c->kind == BAD_JUMPY || pbad_c->kind == BAD_FISH
1095               || pbad_c->kind == BAD_SPIKY))
1096                 pbad_c->kill_me(20);
1097           else
1098             {
1099               if (!invincible_timer.started())
1100                 {
1101                   kill(SHRINK);
1102                 }
1103               else
1104                 {
1105                   pbad_c->kill_me(25);
1106                 }
1107             }
1108           player_status.score_multiplier++;
1109         }
1110       break;
1111
1112     case CO_TRAMPOLINE:
1113       ptramp_c = (Trampoline*) p_c_object;
1114
1115       // Pick up trampoline
1116       if (ptramp_c->mode != Trampoline::M_HELD && input.fire == DOWN && !holding_something && on_ground())
1117       {
1118         holding_something = true;
1119         ptramp_c->mode = Trampoline::M_HELD;
1120         ptramp_c->base.y -= 8;
1121       }
1122       // Set down trampoline
1123       else if (ptramp_c->mode == Trampoline::M_HELD && input.fire != DOWN)
1124       {
1125         holding_something = false;
1126         ptramp_c->mode = Trampoline::M_NORMAL;
1127         ptramp_c->base.y += 8;
1128         ptramp_c->physic.set_velocity(physic.get_velocity_x(), physic.get_velocity_y());
1129
1130         //if (dir == RIGHT)
1131         //  ptramp_c->base.x = base.x + base.width+1;
1132         //else /* LEFT */
1133         //  ptramp_c->base.x = base.x - base.width-1;
1134       }
1135 /*
1136       // Don't let tux walk through trampoline
1137       else if (ptramp_c->mode != Trampoline::M_HELD && on_ground())
1138       {
1139         if (physic.get_velocity_x() > 0) // RIGHT
1140         {
1141           physic.set_velocity_x(0);
1142           base.x = ptramp_c->base.x - base.width;
1143         }
1144         else if (physic.get_velocity_x() < 0) // LEFT
1145         {
1146           physic.set_velocity_x(0);
1147           base.x = ptramp_c->base.x + ptramp_c->base.width;
1148         }
1149       }
1150 */
1151       break;
1152     case CO_FLYING_PLATFORM:
1153       pplatform_c = (FlyingPlatform*) p_c_object;
1154
1155       base.y = pplatform_c->base.y - base.height;
1156       physic.set_velocity_x(pplatform_c->get_vel_x());
1157
1158       physic.enable_gravity(false);
1159       can_jump = true;
1160       fall_mode = ON_GROUND;
1161       break;
1162
1163     default:
1164       break;
1165     }
1166
1167 }
1168
1169 /* Kill Player! */
1170
1171 void
1172 Player::kill(HurtMode mode)
1173 {
1174   if(dying)
1175     return;
1176
1177   SoundManager::get()->play_sound(IDToSound(SND_HURT));
1178
1179   physic.set_velocity_x(0);
1180
1181   if (mode == SHRINK && size == BIG)
1182     {
1183       if (got_power != NONE_POWER)
1184         {
1185           safe_timer.start(TUX_SAFE_TIME);
1186           got_power = NONE_POWER;
1187         }
1188       else
1189         {
1190           growing_timer.start(GROWING_TIME);
1191           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
1192           size = SMALL;
1193           base.height = 32;
1194           duck = false;
1195         }
1196     }
1197   else
1198     {
1199       physic.enable_gravity(true);
1200       physic.set_acceleration(0, 0);
1201       physic.set_velocity(0, 7);
1202       --player_status.lives;
1203       dying = DYING_SQUISHED;
1204       dying_timer.start(3000);
1205     }
1206 }
1207
1208 /* Remove Tux's power ups */
1209 void
1210 Player::remove_powerups()
1211 {
1212   got_power = NONE_POWER;
1213   size = SMALL;
1214   base.height = 32;
1215 }
1216
1217 void
1218 Player::move(const Vector& vector)
1219 {
1220   base.x = vector.x;
1221   base.y = vector.y;
1222   old_base = previous_base = base;
1223 }
1224
1225 void
1226 Player::check_bounds(Camera* camera)
1227 {
1228   /* Keep tux in bounds: */
1229   if (base.x < 0)
1230     { // Lock Tux to the size of the level, so that he doesn't fall of
1231       // on the left side
1232       base.x = 0;
1233     }
1234
1235   /* Keep in-bounds, vertically: */
1236   if (base.y > Sector::current()->solids->get_height() * 32)
1237     {
1238       kill(KILL);
1239       return;
1240     }
1241
1242   bool adjust = false;
1243   // can happen if back scrolling is disabled
1244   if(base.x < camera->get_translation().x) {
1245     base.x = camera->get_translation().x;
1246     adjust = true;
1247   }
1248   if(base.x >= camera->get_translation().x + screen->w - base.width) {
1249     base.x = camera->get_translation().x + screen->w - base.width;
1250     adjust = true;
1251   }
1252
1253   if(adjust) {
1254     // squished now?
1255     if(collision_object_map(base)) {
1256       kill(KILL);
1257       return;
1258     }
1259   }
1260 }
1261
1262 void
1263 Player::bounce(BadGuy* badguy)
1264 {
1265   //Make sure we stopped flapping
1266   flapping = false;
1267   falling_from_flap = false;
1268
1269   if(player_status.score_multiplier >= 5)
1270     {  // show a message
1271     char str[124];
1272 //      if (player_status.score_multiplier <= 4) {sprintf(str, _("Combo x%d"), player_status.score_multiplier);}
1273       if (player_status.score_multiplier == 5)
1274         sprintf(str, _("Good! x%d"), player_status.score_multiplier);
1275       else if (player_status.score_multiplier == 6)
1276         sprintf(str, _("Great! x%d"), player_status.score_multiplier);
1277       else if (player_status.score_multiplier == 7)
1278         sprintf(str, _("Awesome! x%d"), player_status.score_multiplier);
1279       else if (player_status.score_multiplier == 8)
1280         sprintf(str, _("Incredible! x%d"), player_status.score_multiplier);
1281       else if (player_status.score_multiplier == 9)
1282         sprintf(str, _("Godlike! ;-) x%d"), player_status.score_multiplier);
1283       else
1284         sprintf(str, _("Unbelievable!! x%d"), player_status.score_multiplier);
1285     Sector::current()->add_floating_text(base, str);
1286     }
1287
1288   if (input.jump)
1289     physic.set_velocity_y(5.2);
1290   else
1291     physic.set_velocity_y(2);
1292
1293   // Move the player a little bit above the badguy to avoid collision
1294   // between badguy and player directly after the bounce has happend
1295   base.y = badguy->base.y - base.height - 2;
1296 }
1297
1298 /* EOF */
1299