src/object/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 #include <config.h>
  20
  21 #include <typeinfo>
  22 #include <cmath>
  23 #include <iostream>
  24 #include <cassert>
  25
  26 #include "gettext.hpp"
  27 #include "sprite/sprite_manager.hpp"
  28 #include "audio/sound_manager.hpp"
  29 #include "player.hpp"
  30 #include "tile.hpp"
  31 #include "sprite/sprite.hpp"
  32 #include "sector.hpp"
  33 #include "resources.hpp"
  34 #include "video/screen.hpp"
  35 #include "statistics.hpp"
  36 #include "game_session.hpp"
  37 #include "object/tilemap.hpp"
  38 #include "object/camera.hpp"
  39 #include "object/gameobjs.hpp"
  40 #include "object/portable.hpp"
  41 #include "trigger/trigger_base.hpp"
  42 #include "control/joystickkeyboardcontroller.hpp"
  43 #include "main.hpp"
  44
  45 static const int TILES_FOR_BUTTJUMP = 3;
  46 static const float SHOOTING_TIME = .150;
  47 /// time before idle animation starts
  48 static const float IDLE_TIME = 2.5;
  49
  50 static const float WALK_ACCELERATION_X = 300;
  51 static const float RUN_ACCELERATION_X = 400;
  52 static const float SKID_XM = 200;
  53 static const float SKID_TIME = .3;
  54 static const float MAX_WALK_XM = 230;
  55 static const float MAX_RUN_XM = 320;
  56 static const float WALK_SPEED = 100;
  57
  58 // growing animation
  59 Surface* growingtux_left[GROWING_FRAMES];
  60 Surface* growingtux_right[GROWING_FRAMES];
  61
  62 Surface* tux_life = 0;
  63
  64 TuxBodyParts* small_tux = 0;
  65 TuxBodyParts* big_tux = 0;
  66 TuxBodyParts* fire_tux = 0;
  67 TuxBodyParts* ice_tux = 0;
  68
  69 void
  70 TuxBodyParts::set_action(std::string action, int loops)
  71 {
  72   if(head != NULL)
  73     head->set_action(action, loops);
  74   if(body != NULL)
  75     body->set_action(action, loops);
  76   if(arms != NULL)
  77     arms->set_action(action, loops);
  78   if(feet != NULL)
  79     feet->set_action(action, loops);
  80 }
  81
  82 void
  83 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer)
  84 {
  85   if(head != NULL)
  86     head->draw(context, pos, layer-1);
  87   if(body != NULL)
  88     body->draw(context, pos, layer-3);
  89   if(arms != NULL)
  90     arms->draw(context, pos, layer);
  91   if(feet != NULL)
  92     feet->draw(context, pos, layer-2);
  93 }
  94
  95 Player::Player(PlayerStatus* _player_status)
  96   : player_status(_player_status), grabbed_object(0)
  97 {
  98   controller = main_controller;
  99   smalltux_gameover = sprite_manager->create("smalltux-gameover");
 100   smalltux_star = sprite_manager->create("smalltux-star");
 101   bigtux_star = sprite_manager->create("bigtux-star");
 102   init();
 103 }
 104
 105 Player::~Player()
 106 {
 107   delete smalltux_gameover;
 108   delete smalltux_star;
 109   delete bigtux_star;
 110 }
 111
 112 void
 113 Player::init()
 114 {
 115   if(is_big())
 116     bbox.set_size(31.8, 63.8);
 117   else
 118     bbox.set_size(31.8, 31.8);
 119
 120   dir = RIGHT;
 121   old_dir = dir;
 122   duck = false;
 123   dead = false;
 124
 125   dying = false;
 126   last_ground_y = 0;
 127   fall_mode = ON_GROUND;
 128   jumping = false;
 129   flapping = false;
 130   can_jump = true;
 131   can_flap = false;
 132   falling_from_flap = false;
 133   enable_hover = false;
 134   butt_jump = false;
 135   deactivated = false;
 136
 137   flapping_velocity = 0;
 138
 139   // temporary to help player's choosing a flapping
 140   flapping_mode = NO_FLAP;
 141
 142   // Ricardo's flapping
 143   flaps_nb = 0;
 144
 145   on_ground_flag = false;
 146   grabbed_object = 0;
 147
 148   physic.reset();
 149 }
 150
 151 void
 152 Player::set_controller(Controller* controller)
 153 {
 154   this->controller = controller;
 155 }
 156
 157 void
 158 Player::update(float elapsed_time)
 159 {
 160   if(dying && dying_timer.check()) {
 161     dead = true;
 162     return;
 163   }
 164
 165   if(!controller->hold(Controller::ACTION) && grabbed_object) {
 166     grabbed_object = 0;
 167     // move the grabbed object a bit away from tux
 168     Vector pos = get_pos() +
 169         Vector(dir == LEFT ? -bbox.get_width() : bbox.get_width(),
 170                 bbox.get_height()*0.66666 - 32);
 171     MovingObject* object = dynamic_cast<MovingObject*> (grabbed_object);
 172     if(object) {
 173       object->set_pos(pos);
 174     } else {
 175 #ifdef DEBUG
 176       std::cout << "Non MovingObjetc grabbed?!?\n";
 177 #endif
 178     }
 179   }
 180
 181   if(!dying && !deactivated)
 182     handle_input();
 183
 184   movement = physic.get_movement(elapsed_time);
 185   on_ground_flag = false;
 186
 187 #if 0
 188   // special exception for cases where we're stuck under tiles after
 189   // being ducked. In this case we drift out
 190   if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 191      && collision_object_map(base)) {
 192     base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 193     previous_base = old_base = base;
 194   }
 195 #endif
 196
 197   if(grabbed_object != 0) {
 198     Vector pos = get_pos() +
 199       Vector(dir == LEFT ? -16 : 16,
 200              bbox.get_height()*0.66666 - 32);
 201     grabbed_object->grab(*this, pos);
 202   }
 203 }
 204
 205 bool
 206 Player::on_ground()
 207 {
 208   return on_ground_flag;
 209 }
 210
 211 bool
 212 Player::is_big()
 213 {
 214   if(player_status->bonus == NO_BONUS)
 215     return false;
 216
 217   return true;
 218 }
 219
 220 void
 221 Player::handle_horizontal_input()
 222 {
 223   float vx = physic.get_velocity_x();
 224   float vy = physic.get_velocity_y();
 225   float ax = physic.get_acceleration_x();
 226   float ay = physic.get_acceleration_y();
 227
 228   float dirsign = 0;
 229   if(!duck || physic.get_velocity_y() != 0) {
 230     if(controller->hold(Controller::LEFT) && !controller->hold(Controller::RIGHT)) {
 231       old_dir = dir;
 232       dir = LEFT;
 233       dirsign = -1;
 234     } else if(!controller->hold(Controller::LEFT)
 235               && controller->hold(Controller::RIGHT)) {
 236       old_dir = dir;
 237       dir = RIGHT;
 238       dirsign = 1;
 239     }
 240   }
 241
 242   if (!controller->hold(Controller::ACTION)) {
 243     ax = dirsign * WALK_ACCELERATION_X;
 244     // limit speed
 245     if(vx >= MAX_WALK_XM && dirsign > 0) {
 246       vx = MAX_WALK_XM;
 247       ax = 0;
 248     } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 249       vx = -MAX_WALK_XM;
 250       ax = 0;
 251     }
 252   } else {
 253     ax = dirsign * RUN_ACCELERATION_X;
 254     // limit speed
 255     if(vx >= MAX_RUN_XM && dirsign > 0) {
 256       vx = MAX_RUN_XM;
 257       ax = 0;
 258     } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 259       vx = -MAX_RUN_XM;
 260       ax = 0;
 261     }
 262   }
 263
 264   // we can reach WALK_SPEED without any acceleration
 265   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 266     vx = dirsign * WALK_SPEED;
 267   }
 268
 269   // changing directions?
 270   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 271     // let's skid!
 272     if(fabs(vx)>SKID_XM && !skidding_timer.started()) {
 273       skidding_timer.start(SKID_TIME);
 274       sound_manager->play("sounds/skid.wav");
 275       // dust some particles
 276       Sector::current()->add_object(
 277         new Particles(
 278           Vector(bbox.p1.x + (dir == RIGHT ? bbox.get_width() : 0),
 279                  bbox.p2.y),
 280           dir == RIGHT ? 270+20 : 90-40, dir == RIGHT ? 270+40 : 90-20,
 281           Vector(280,-260), Vector(0,0.030), 3, Color(100,100,100), 3, .8,
 282           LAYER_OBJECTS+1));
 283
 284       ax *= 2.5;
 285     } else {
 286       ax *= 2;
 287     }
 288   }
 289
 290   // we get slower when not pressing any keys
 291   if(dirsign == 0) {
 292     if(fabs(vx) < WALK_SPEED) {
 293       vx = 0;
 294       ax = 0;
 295     } else if(vx < 0) {
 296       ax = WALK_ACCELERATION_X * 1.5;
 297     } else {
 298       ax = WALK_ACCELERATION_X * -1.5;
 299     }
 300   }
 301
 302 #if 0
 303   // if we're on ice slow down acceleration or deceleration
 304   if (isice(base.x, base.y + base.height))
 305   {
 306     /* the acceleration/deceleration rate on ice is inversely proportional to
 307      * the current velocity.
 308      */
 309
 310     // increasing 1 will increase acceleration/deceleration rate
 311     // decreasing 1 will decrease acceleration/deceleration rate
 312     //  must stay above zero, though
 313     if (ax != 0) ax *= 1 / fabs(vx);
 314   }
 315 #endif
 316
 317   // extend/shrink tux collision rectangle so that we fall through/walk over 1
 318   // tile holes
 319   if(fabsf(vx) > MAX_WALK_XM) {
 320     bbox.set_width(33);
 321   } else {
 322     bbox.set_width(31.8);
 323   }
 324
 325   physic.set_velocity(vx, vy);
 326   physic.set_acceleration(ax, ay);
 327 }
 328
 329 void
 330 Player::handle_vertical_input()
 331 {
 332   // set fall mode...
 333   if(on_ground()) {
 334     fall_mode = ON_GROUND;
 335     last_ground_y = get_pos().y;
 336   } else {
 337     if(get_pos().y > last_ground_y)
 338       fall_mode = FALLING;
 339     else if(fall_mode == ON_GROUND)
 340       fall_mode = JUMPING;
 341   }
 342
 343   if(on_ground()) { /* Make sure jumping is off. */
 344     jumping = false;
 345     flapping = false;
 346     falling_from_flap = false;
 347     if (flapping_timer.started()) {
 348       flapping_timer.stop();
 349     }
 350
 351     physic.set_acceleration_y(0); //for flapping
 352   }
 353
 354   // Press jump key
 355   if(controller->pressed(Controller::JUMP) && can_jump && on_ground()) {
 356     if (duck) // only jump a little bit when in duck mode
 357       physic.set_velocity_y(300);
 358     else if (fabs(physic.get_velocity_x()) > MAX_WALK_XM) // jump higher if we are running
 359       physic.set_velocity_y(580);
 360     else
 361       physic.set_velocity_y(520);
 362
 363     //bbox.move(Vector(0, -1));
 364     jumping = true;
 365     flapping = false;
 366     can_jump = false;
 367     can_flap = false;
 368     flaps_nb = 0; // Ricardo's flapping
 369     if (is_big())
 370       sound_manager->play("sounds/bigjump.wav");
 371     else
 372       sound_manager->play("sounds/jump.wav");
 373   } else if(!controller->hold(Controller::JUMP)) { // Let go of jump key
 374     if (!flapping && !duck && !falling_from_flap && !on_ground()) {
 375       can_flap = true;
 376     }
 377     if (jumping && physic.get_velocity_y() > 0) {
 378       jumping = false;
 379       physic.set_velocity_y(0);
 380     }
 381   }
 382 #if CHOOSEFLAPSTYLE
 383   // temporary to help players choosing a flapping
 384   if(flapping_mode == RICARDO_FLAP) {
 385     // Flapping, Ricardo's version
 386     // similar to SM3 Fox
 387     if(controller->pressed(Controller::JUMP) && can_flap && flaps_nb < 3) {
 388       physic.set_velocity_y(350);
 389       physic.set_velocity_x(physic.get_velocity_x() * 35);
 390       flaps_nb++;
 391     }
 392   } else if(flapping_mode == MAREK_FLAP) {
 393 #endif
 394     // Flapping, Marek and Ondra's version
 395     if (controller->hold(Controller::JUMP) && can_flap)
 396     {
 397       if (flapping_timer.check())
 398       {
 399         can_flap = false;
 400         //flapping = false;
 401         falling_from_flap = true;
 402       }
 403       else if (!flapping_timer.started())
 404       {
 405         flapping_timer.start(TUX_FLAPPING_TIME);
 406         flapping_velocity = physic.get_velocity_x();
 407       }
 408       else
 409       {
 410         jumping = true;
 411         flapping = true;
 412         float cv = flapping_velocity * sqrt(
 413           TUX_FLAPPING_TIME - flapping_timer.get_timegone()
 414           / TUX_FLAPPING_TIME);
 415
 416         //Handle change of direction while flapping
 417         if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {
 418           cv *= (-1);
 419         }
 420         else if (cv == 0) {
 421           if (controller->hold(Controller::LEFT)) {
 422                 cv = -TUX_FLAPPING_LEAST_X;
 423           }
 424           else if (controller->hold(Controller::RIGHT)) {
 425             cv = TUX_FLAPPING_LEAST_X;
 426           }
 427         }
 428         physic.set_velocity_x(cv);
 429         physic.set_velocity_y(flapping_timer.get_timegone()
 430             * TUX_FLAPPING_STRENGTH);
 431         //std::cout << "Timegone: " << flapping_timer.get_timegone() << ", Y velocity: " << physic.get_velocity_y() << "\n";
 432       }
 433     }
 434 #if CHOOSEFLAPSTYLE
 435   } else if(flapping_mode == RYAN_FLAP) {
 436     // Flapping, Ryan's version
 437     if (controller->hold(Controller::JUMP) && can_flap)
 438     {
 439       if (!flapping_timer.started())
 440       {
 441         flapping_timer.start(TUX_FLAPPING_TIME);
 442       }
 443       if (flapping_timer.check())
 444       {
 445         can_flap = false;
 446         falling_from_flap = true;
 447       }
 448       jumping = true;
 449       flapping = true;
 450       if (flapping && flapping_timer.get_timegone() <= TUX_FLAPPING_TIME
 451           && physic.get_velocity_y() < 0)
 452       {
 453         float gravity = Sector::current()->gravity;
 454         (void)gravity;
 455         float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
 456
 457         // XXX: magic numbers. should be a percent of gravity
 458         //      gravity is (by default) -0.1f
 459         physic.set_acceleration_y(12 + 1*xr);
 460
 461 #if 0
 462         // To slow down x-vel when flapping (not working)
 463         if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
 464         {
 465           if (physic.get_velocity_x() < 0)
 466             physic.set_acceleration_x(1.0f);
 467           else if (physic.get_velocity_x() > 0)
 468             physic.set_acceleration_x(-1.0f);
 469         }
 470 #endif
 471       }
 472     } else {
 473       physic.set_acceleration_y(0);
 474     }
 475   }
 476 #endif
 477
 478   /* In case the player has pressed Down while in a certain range of air,
 479      enable butt jump action */
 480   if (controller->hold(Controller::DOWN) && !butt_jump && !duck)
 481     //if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 482     butt_jump = true;
 483
 484   /* When Down is not held anymore, disable butt jump */
 485   if(butt_jump && !controller->hold(Controller::DOWN))
 486     butt_jump = false;
 487
 488 #if 0
 489   // Do butt jump
 490   if (butt_jump && on_ground() && is_big()) {
 491     // Add a smoke cloud
 492     if (duck)
 493       Sector::current()->add_smoke_cloud(Vector(get_pos().x - 32, get_pos().y));
 494     else
 495       Sector::current()->add_smoke_cloud(
 496         Vector(get_pos().x - 32, get_pos().y + 32));
 497
 498     butt_jump = false;
 499
 500     // Break bricks beneath Tux
 501     if(Sector::current()->trybreakbrick(
 502          Vector(base.x + 1, base.y + base.height), false)
 503        || Sector::current()->trybreakbrick(
 504          Vector(base.x + base.width - 1, base.y + base.height), false)) {
 505       physic.set_velocity_y(2);
 506       butt_jump = true;
 507     }
 508
 509     // Kill nearby badguys
 510     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 511     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 512          i != gameobjects.end();
 513          i++) {
 514       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 515       if(badguy) {
 516         // don't kill when badguys are already dying or in a certain mode
 517         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 518            badguy->mode != BadGuy::BOMB_EXPLODE) {
 519           if (fabsf(base.x - badguy->base.x) < 96 &&
 520               fabsf(base.y - badguy->base.y) < 64)
 521             badguy->kill_me(25);
 522         }
 523       }
 524     }
 525   }
 526 #endif
 527
 528   /** jumping is only allowed if we're about to touch ground soon and if the
 529    * button has been up in between the last jump
 530    */
 531   // FIXME
 532 #if 0
 533   if ( (issolid(get_pos().x + bbox.get_width() / 2,
 534           get_pos().y + bbox.get_height() + 64) ||
 535         issolid(get_pos().x + 1, get_pos().y + bbox.get_height() + 64) ||
 536         issolid(get_pos().x + bbox.get_width() - 1,
 537           get_pos().y + bbox.get_height() + 64))
 538        && jumping  == false
 539        && can_jump == false
 540        && input.jump && !input.old_jump)
 541     {
 542       can_jump = true;
 543     }
 544 #endif
 545 }
 546
 547 void
 548 Player::handle_input()
 549 {
 550   /* Handle horizontal movement: */
 551   handle_horizontal_input();
 552
 553   /* Jump/jumping? */
 554   if (on_ground() && !controller->hold(Controller::JUMP))
 555     can_jump = true;
 556   handle_vertical_input();
 557
 558   /* Shoot! */
 559   if (controller->pressed(Controller::ACTION) && player_status->bonus == FIRE_BONUS) {
 560     if(Sector::current()->add_bullet(
 561          get_pos() + ((dir == LEFT)? Vector(0, bbox.get_height()/2)
 562                       : Vector(32, bbox.get_height()/2)),
 563          physic.get_velocity_x(), dir))
 564       shooting_timer.start(SHOOTING_TIME);
 565   }
 566
 567   /* Duck! */
 568   if (controller->hold(Controller::DOWN) && is_big() && !duck
 569       && physic.get_velocity_y() == 0 && on_ground()) {
 570     duck = true;
 571     bbox.move(Vector(0, 32));
 572     bbox.set_height(31.8);
 573   } else if(!controller->hold(Controller::DOWN) && is_big() && duck) {
 574     // try if we can really unduck
 575     bbox.move(Vector(0, -32));
 576     bbox.set_height(63.8);
 577     duck = false;
 578     // FIXME
 579 #if 0
 580     // when unducking in air we need some space to do so
 581     if(on_ground() || !collision_object_map(bbox)) {
 582       duck = false;
 583     } else {
 584       // undo the ducking changes
 585       bbox.move(Vector(0, 32));
 586       bbox.set_height(31.8);
 587     }
 588 #endif
 589   }
 590 }
 591
 592 void
 593 Player::set_bonus(BonusType type, bool animate)
 594 {
 595   if(player_status->bonus >= type)
 596     return;
 597
 598   if(player_status->bonus == NO_BONUS) {
 599     bbox.set_height(63.8);
 600     bbox.move(Vector(0, -32));
 601     if(animate)
 602       growing_timer.start(GROWING_TIME);
 603   }
 604
 605   player_status->bonus = type;
 606 }
 607
 608 void
 609 Player::draw(DrawingContext& context)
 610 {
 611   TuxBodyParts* tux_body;
 612
 613   if (player_status->bonus == GROWUP_BONUS)
 614     tux_body = big_tux;
 615   else if (player_status->bonus == FIRE_BONUS)
 616     tux_body = fire_tux;
 617   else if (player_status->bonus == ICE_BONUS)
 618     tux_body = ice_tux;
 619   else
 620     tux_body = small_tux;
 621
 622   int layer = LAYER_OBJECTS + 10;
 623
 624   /* Set Tux sprite action */
 625   if (duck && is_big())
 626     {
 627     if(dir == LEFT)
 628       tux_body->set_action("duck-left");
 629     else // dir == RIGHT
 630       tux_body->set_action("duck-right");
 631     }
 632   else if (skidding_timer.started() && !skidding_timer.check())
 633     {
 634     if(dir == LEFT)
 635       tux_body->set_action("skid-left");
 636     else // dir == RIGHT
 637       tux_body->set_action("skid-right");
 638     }
 639   else if (kick_timer.started() && !kick_timer.check())
 640     {
 641     if(dir == LEFT)
 642       tux_body->set_action("kick-left");
 643     else // dir == RIGHT
 644       tux_body->set_action("kick-right");
 645     }
 646   else if (butt_jump && is_big())
 647     {
 648     if(dir == LEFT)
 649       tux_body->set_action("buttjump-left");
 650     else // dir == RIGHT
 651       tux_body->set_action("buttjump-right");
 652     }
 653   else if (physic.get_velocity_y() != 0)
 654     {
 655     if(dir == LEFT)
 656       tux_body->set_action("jump-left");
 657     else // dir == RIGHT
 658       tux_body->set_action("jump-right");
 659     }
 660   else
 661     {
 662     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 663       {
 664       if(dir == LEFT)
 665         tux_body->set_action("stand-left");
 666       else // dir == RIGHT
 667         tux_body->set_action("stand-right");
 668       }
 669     else // moving
 670       {
 671       if(dir == LEFT)
 672         tux_body->set_action("walk-left");
 673       else // dir == RIGHT
 674         tux_body->set_action("walk-right");
 675       }
 676     }
 677
 678   if(idle_timer.check())
 679     {
 680     if(is_big())
 681       {
 682       if(dir == LEFT)
 683         tux_body->head->set_action("idle-left", 1);
 684       else // dir == RIGHT
 685         tux_body->head->set_action("idle-right", 1);
 686       }
 687
 688     }
 689
 690   // Tux is holding something
 691   if ((grabbed_object != 0 && physic.get_velocity_y() == 0) ||
 692       (shooting_timer.get_timeleft() > 0 && !shooting_timer.check()))
 693     {
 694     if (duck)
 695       {
 696       if(dir == LEFT)
 697         tux_body->arms->set_action("duck+grab-left");
 698       else // dir == RIGHT
 699         tux_body->arms->set_action("duck+grab-right");
 700       }
 701     else
 702       {
 703       if(dir == LEFT)
 704         tux_body->arms->set_action("grab-left");
 705       else // dir == RIGHT
 706         tux_body->arms->set_action("grab-right");
 707       }
 708     }
 709
 710   /* Draw Tux */
 711   if(dying) {
 712     smalltux_gameover->draw(context, get_pos(), layer);
 713   } else if(growing_timer.get_timeleft() > 0) {
 714     if(!is_big())
 715       {
 716       if (dir == RIGHT)
 717         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 718                  int((growing_timer.get_timegone() *
 719                  GROWING_FRAMES) / GROWING_TIME)], get_pos(), layer);
 720       else
 721         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 722                 int((growing_timer.get_timegone() *
 723                 GROWING_FRAMES) / GROWING_TIME)], get_pos(), layer);
 724       }
 725     else
 726       {
 727       if (dir == RIGHT)
 728         context.draw_surface(growingtux_right[
 729             int((growing_timer.get_timegone() *
 730                 GROWING_FRAMES) / GROWING_TIME)], get_pos(), layer);
 731       else
 732         context.draw_surface(growingtux_left[
 733             int((growing_timer.get_timegone() *
 734                              GROWING_FRAMES) / GROWING_TIME)],
 735             get_pos(), layer);
 736       }
 737     }
 738   else if (safe_timer.started() && size_t(game_time*40)%2)
 739     ;  // don't draw Tux
 740   else
 741     tux_body->draw(context, get_pos(), layer);
 742
 743   // Draw blinking star overlay
 744   if (invincible_timer.started() &&
 745      (invincible_timer.get_timeleft() > TUX_INVINCIBLE_TIME_WARNING
 746       || size_t(game_time*20)%2)
 747      && !dying)
 748   {
 749     if (!is_big() || duck)
 750       smalltux_star->draw(context, get_pos(), layer + 5);
 751     else
 752       bigtux_star->draw(context, get_pos(), layer + 5);
 753   }
 754 }
 755
 756 HitResponse
 757 Player::collision(GameObject& other, const CollisionHit& hit)
 758 {
 759   Portable* portable = dynamic_cast<Portable*> (&other);
 760   if(portable && grabbed_object == 0 && controller->hold(Controller::ACTION)
 761      && fabsf(hit.normal.x) > .9) {
 762     grabbed_object = portable;
 763     return CONTINUE;
 764   }
 765
 766   if(other.get_flags() & FLAG_SOLID) {
 767     TileMap* tilemap = dynamic_cast<TileMap*> (&other);
 768     if(tilemap) {
 769       const TilemapCollisionHit* thit =
 770         static_cast<const TilemapCollisionHit*> (&hit);
 771       if(thit->tileflags & Tile::SPIKE)
 772         kill(SHRINK);
 773
 774       if(! (thit->tileflags & Tile::SOLID))
 775         return FORCE_MOVE;
 776     }
 777
 778     if(hit.normal.y < 0) { // landed on floor?
 779       if (physic.get_velocity_y() < 0)
 780         physic.set_velocity_y(0);
 781       on_ground_flag = true;
 782     } else if(hit.normal.y > 0) { // bumped against the roof
 783       physic.set_velocity_y(.1);
 784     }
 785
 786     if(fabsf(hit.normal.x) > .9) { // hit on the side?
 787       physic.set_velocity_x(0);
 788     }
 789
 790     return CONTINUE;
 791   }
 792
 793   TriggerBase* trigger = dynamic_cast<TriggerBase*> (&other);
 794   if(trigger) {
 795     if(controller->pressed(Controller::UP))
 796       trigger->event(*this, TriggerBase::EVENT_ACTIVATE);
 797   }
 798
 799   return FORCE_MOVE;
 800 }
 801
 802 void
 803 Player::make_invincible()
 804 {
 805   sound_manager->play("sounds/invincible.wav");
 806   invincible_timer.start(TUX_INVINCIBLE_TIME);
 807   Sector::current()->play_music(HERRING_MUSIC);
 808 }
 809
 810 /* Kill Player! */
 811 void
 812 Player::kill(HurtMode mode)
 813 {
 814   if(dying || deactivated)
 815     return;
 816
 817   if(mode != KILL &&
 818           safe_timer.get_timeleft() > 0 || invincible_timer.get_timeleft() > 0)
 819     return;
 820
 821   sound_manager->play("sounds/hurt.wav");
 822
 823   physic.set_velocity_x(0);
 824
 825   if (mode == SHRINK && is_big())
 826     {
 827       if (player_status->bonus == FIRE_BONUS
 828           || player_status->bonus == ICE_BONUS)
 829         {
 830           safe_timer.start(TUX_SAFE_TIME);
 831           player_status->bonus = GROWUP_BONUS;
 832         }
 833       else
 834         {
 835           growing_timer.start(GROWING_TIME);
 836           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
 837           bbox.set_height(31.8);
 838           duck = false;
 839           player_status->bonus = NO_BONUS;
 840         }
 841     }
 842   else
 843     {
 844       physic.enable_gravity(true);
 845       physic.set_acceleration(0, 0);
 846       physic.set_velocity(0, 700);
 847       player_status->lives -= 1;
 848       player_status->bonus = NO_BONUS;
 849       dying = true;
 850       dying_timer.start(3.0);
 851       flags |= FLAG_NO_COLLDET;
 852     }
 853 }
 854
 855 void
 856 Player::move(const Vector& vector)
 857 {
 858   bbox.set_pos(vector);
 859   if(is_big())
 860     bbox.set_size(31.8, 63.8);
 861   else
 862     bbox.set_size(31.8, 31.8);
 863   on_ground_flag = false;
 864   duck = false;
 865   last_ground_y = vector.y;
 866
 867   physic.reset();
 868 }
 869
 870 void
 871 Player::check_bounds(Camera* camera)
 872 {
 873   /* Keep tux in bounds: */
 874   if (get_pos().x < 0)
 875     { // Lock Tux to the size of the level, so that he doesn't fall of
 876       // on the left side
 877       bbox.set_pos(Vector(0, get_pos().y));
 878     }
 879
 880   /* Keep in-bounds, vertically: */
 881   if (get_pos().y > Sector::current()->solids->get_height() * 32)
 882     {
 883       kill(KILL);
 884       return;
 885     }
 886
 887   bool adjust = false;
 888   // can happen if back scrolling is disabled
 889   if(get_pos().x < camera->get_translation().x) {
 890     bbox.set_pos(Vector(camera->get_translation().x, get_pos().y));
 891     adjust = true;
 892   }
 893   if(get_pos().x >= camera->get_translation().x + SCREEN_WIDTH - bbox.get_width())
 894   {
 895     bbox.set_pos(Vector(
 896           camera->get_translation().x + SCREEN_WIDTH - bbox.get_width(),
 897           get_pos().y));
 898     adjust = true;
 899   }
 900
 901   if(adjust) {
 902     // FIXME
 903 #if 0
 904     // squished now?
 905     if(collision_object_map(bbox)) {
 906       kill(KILL);
 907       return;
 908     }
 909 #endif
 910   }
 911 }
 912
 913 void
 914 Player::bounce(BadGuy& )
 915 {
 916   //Make sure we stopped flapping
 917   flapping = false;
 918   falling_from_flap = false;
 919
 920   if(controller->hold(Controller::JUMP))
 921     physic.set_velocity_y(520);
 922   else
 923     physic.set_velocity_y(300);
 924 }
 925
 926 //Scripting Functions Below
 927
 928 void
 929 Player::deactivate()
 930 {
 931   deactivated = true;
 932   physic.set_velocity_x(0);
 933   physic.set_velocity_y(0);
 934 }
 935
 936 void
 937 Player::activate()
 938 {
 939   deactivated = false;
 940 }
 941
 942 void Player::walk(float speed)
 943 {
 944   physic.set_velocity_x(speed);
 945 }