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/particles.hpp"
  40 #include "object/portable.hpp"
  41 #include "object/bullet.hpp"
  42 #include "trigger/trigger_base.hpp"
  43 #include "control/joystickkeyboardcontroller.hpp"
  44 #include "main.hpp"
  45 #include "platform.hpp"
  46 #include "badguy/badguy.hpp"
  47 #include "player_status.hpp"
  48 #include "msg.hpp"
  49
  50 static const int TILES_FOR_BUTTJUMP = 3;
  51 static const float SHOOTING_TIME = .150;
  52 /// time before idle animation starts
  53 static const float IDLE_TIME = 2.5;
  54
  55 static const float WALK_ACCELERATION_X = 300;
  56 static const float RUN_ACCELERATION_X = 400;
  57 static const float SKID_XM = 200;
  58 static const float SKID_TIME = .3;
  59 static const float MAX_WALK_XM = 230;
  60 static const float MAX_RUN_XM = 320;
  61 static const float WALK_SPEED = 100;
  62
  63 static const float KICK_TIME = .3;
  64
  65 // growing animation
  66 Surface* growingtux_left[GROWING_FRAMES];
  67 Surface* growingtux_right[GROWING_FRAMES];
  68
  69 Surface* tux_life = 0;
  70
  71 TuxBodyParts* small_tux = 0;
  72 TuxBodyParts* big_tux = 0;
  73 TuxBodyParts* fire_tux = 0;
  74 TuxBodyParts* ice_tux = 0;
  75
  76 void
  77 TuxBodyParts::set_action(std::string action, int loops)
  78 {
  79   if(head != NULL)
  80     head->set_action(action, loops);
  81   if(body != NULL)
  82     body->set_action(action, loops);
  83   if(arms != NULL)
  84     arms->set_action(action, loops);
  85   if(feet != NULL)
  86     feet->set_action(action, loops);
  87 }
  88
  89 void
  90 TuxBodyParts::draw(DrawingContext& context, const Vector& pos, int layer)
  91 {
  92   if(head != NULL)
  93     head->draw(context, pos, layer-1);
  94   if(body != NULL)
  95     body->draw(context, pos, layer-3);
  96   if(arms != NULL)
  97     arms->draw(context, pos, layer);
  98   if(feet != NULL)
  99     feet->draw(context, pos, layer-2);
 100 }
 101
 102 Player::Player(PlayerStatus* _player_status)
 103   : player_status(_player_status), grabbed_object(0)
 104 {
 105   controller = main_controller;
 106   smalltux_gameover = sprite_manager->create("images/creatures/tux_small/smalltux-gameover.sprite");
 107   smalltux_star = sprite_manager->create("images/creatures/tux_small/smalltux-star.sprite");
 108   bigtux_star = sprite_manager->create("images/creatures/tux_big/bigtux-star.sprite");
 109   init();
 110 }
 111
 112 Player::~Player()
 113 {
 114   delete smalltux_gameover;
 115   delete smalltux_star;
 116   delete bigtux_star;
 117 }
 118
 119 void
 120 Player::init()
 121 {
 122   if(is_big())
 123     bbox.set_size(31.8, 63.8);
 124   else
 125     bbox.set_size(31.8, 31.8);
 126   adjust_height = 0;
 127
 128   dir = RIGHT;
 129   old_dir = dir;
 130   duck = false;
 131   dead = false;
 132
 133   dying = false;
 134   last_ground_y = 0;
 135   fall_mode = ON_GROUND;
 136   jumping = false;
 137   can_jump = true;
 138   butt_jump = false;
 139   deactivated = false;
 140   backflipping = false;
 141   backflip_direction = 0;
 142   visible = true;
 143
 144   on_ground_flag = false;
 145   grabbed_object = 0;
 146
 147   floor_normal = Vector(0,-1);
 148
 149   physic.reset();
 150 }
 151
 152 void
 153 Player::set_controller(Controller* controller)
 154 {
 155   this->controller = controller;
 156 }
 157
 158 void
 159 Player::update(float elapsed_time)
 160 {
 161   if(dying && dying_timer.check()) {
 162     dead = true;
 163     return;
 164   }
 165
 166   if(adjust_height != 0) {
 167     bbox.move(Vector(0, bbox.get_height() - adjust_height));
 168     bbox.set_height(adjust_height);
 169     adjust_height = 0;
 170   }
 171
 172   if(!controller->hold(Controller::ACTION) && grabbed_object) {
 173     // move the grabbed object a bit away from tux
 174     Vector pos = get_pos() +
 175         Vector(dir == LEFT ? -bbox.get_width()-1 : bbox.get_width()+1,
 176                 bbox.get_height()*0.66666 - 32);
 177     Rect dest(pos, pos + Vector(32, 32));
 178     if(Sector::current()->is_free_space(dest)) {
 179       MovingObject* moving_object = dynamic_cast<MovingObject*> (grabbed_object);
 180       if(moving_object) {
 181         moving_object->set_pos(pos);
 182       } else {
 183         msg_debug("Non MovingObjetc grabbed?!?");
 184       }
 185       grabbed_object->ungrab(*this, dir);
 186       grabbed_object = 0;
 187     }
 188   }
 189
 190   if(!dying && !deactivated)
 191     handle_input();
 192
 193   movement = physic.get_movement(elapsed_time);
 194
 195 #if 0
 196   // special exception for cases where we're stuck under tiles after
 197   // being ducked. In this case we drift out
 198   if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
 199      && collision_object_map(base)) {
 200     base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
 201     previous_base = old_base = base;
 202   }
 203 #endif
 204
 205   if(grabbed_object != 0) {
 206     Vector pos = get_pos() +
 207       Vector(dir == LEFT ? -16 : 16,
 208              bbox.get_height()*0.66666 - 32);
 209     grabbed_object->grab(*this, pos, dir);
 210   }
 211
 212   on_ground_flag = false;
 213 }
 214
 215 bool
 216 Player::on_ground()
 217 {
 218   return on_ground_flag;
 219 }
 220
 221 bool
 222 Player::is_big()
 223 {
 224   if(player_status->bonus == NO_BONUS)
 225     return false;
 226
 227   return true;
 228 }
 229
 230 void
 231 Player::handle_horizontal_input()
 232 {
 233   float vx = physic.get_velocity_x();
 234   float vy = physic.get_velocity_y();
 235   float ax = physic.get_acceleration_x();
 236   float ay = physic.get_acceleration_y();
 237
 238   float dirsign = 0;
 239   if(!duck || physic.get_velocity_y() != 0) {
 240     if(controller->hold(Controller::LEFT) && !controller->hold(Controller::RIGHT)) {
 241       old_dir = dir;
 242       dir = LEFT;
 243       dirsign = -1;
 244     } else if(!controller->hold(Controller::LEFT)
 245               && controller->hold(Controller::RIGHT)) {
 246       old_dir = dir;
 247       dir = RIGHT;
 248       dirsign = 1;
 249     }
 250   }
 251
 252   if (!controller->hold(Controller::ACTION)) {
 253     ax = dirsign * WALK_ACCELERATION_X;
 254     // limit speed
 255     if(vx >= MAX_WALK_XM && dirsign > 0) {
 256       vx = MAX_WALK_XM;
 257       ax = 0;
 258     } else if(vx <= -MAX_WALK_XM && dirsign < 0) {
 259       vx = -MAX_WALK_XM;
 260       ax = 0;
 261     }
 262   } else {
 263     ax = dirsign * RUN_ACCELERATION_X;
 264     // limit speed
 265     if(vx >= MAX_RUN_XM && dirsign > 0) {
 266       vx = MAX_RUN_XM;
 267       ax = 0;
 268     } else if(vx <= -MAX_RUN_XM && dirsign < 0) {
 269       vx = -MAX_RUN_XM;
 270       ax = 0;
 271     }
 272   }
 273
 274   // we can reach WALK_SPEED without any acceleration
 275   if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
 276     vx = dirsign * WALK_SPEED;
 277   }
 278
 279   // changing directions?
 280   if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
 281     // let's skid!
 282     if(fabs(vx)>SKID_XM && !skidding_timer.started()) {
 283       skidding_timer.start(SKID_TIME);
 284       sound_manager->play("sounds/skid.wav");
 285       // dust some particles
 286       Sector::current()->add_object(
 287         new Particles(
 288           Vector(dir == RIGHT ? bbox.p2.x : bbox.p1.x, bbox.p2.y),
 289           dir == RIGHT ? 270+20 : 90-40, dir == RIGHT ? 270+40 : 90-20,
 290           Vector(280, -260), Vector(0, 300), 3, Color(.4, .4, .4), 3, .8,
 291           LAYER_OBJECTS+1));
 292
 293       ax *= 2.5;
 294     } else {
 295       ax *= 2;
 296     }
 297   }
 298
 299   // we get slower when not pressing any keys
 300   if(dirsign == 0) {
 301     if(fabs(vx) < WALK_SPEED) {
 302       vx = 0;
 303       ax = 0;
 304     } else if(vx < 0) {
 305       ax = WALK_ACCELERATION_X * 1.5;
 306     } else {
 307       ax = WALK_ACCELERATION_X * -1.5;
 308     }
 309   }
 310
 311 #if 0
 312   // if we're on ice slow down acceleration or deceleration
 313   if (isice(base.x, base.y + base.height))
 314   {
 315     /* the acceleration/deceleration rate on ice is inversely proportional to
 316      * the current velocity.
 317      */
 318
 319     // increasing 1 will increase acceleration/deceleration rate
 320     // decreasing 1 will decrease acceleration/deceleration rate
 321     //  must stay above zero, though
 322     if (ax != 0) ax *= 1 / fabs(vx);
 323   }
 324 #endif
 325
 326   // extend/shrink tux collision rectangle so that we fall through/walk over 1
 327   // tile holes
 328   if(fabsf(vx) > MAX_WALK_XM) {
 329     bbox.set_width(34);
 330   } else {
 331     bbox.set_width(31.8);
 332   }
 333
 334   // on downward slopes, adjust vertical velocity to match slope angle
 335   if (on_ground()) {
 336     if (floor_normal.y != 0) {
 337       if ((floor_normal.x * vx) > 0) {
 338         // we overdo it a little, just to be on the safe side
 339         vy = vx * (floor_normal.x / floor_normal.y) * 2;
 340       }
 341     }
 342   }
 343
 344   physic.set_velocity(vx, vy);
 345   physic.set_acceleration(ax, ay);
 346 }
 347
 348 void
 349 Player::handle_vertical_input()
 350 {
 351   // set fall mode...
 352   if(on_ground()) {
 353     fall_mode = ON_GROUND;
 354     last_ground_y = get_pos().y;
 355   } else {
 356     if(get_pos().y > last_ground_y)
 357       fall_mode = FALLING;
 358     else if(fall_mode == ON_GROUND)
 359       fall_mode = JUMPING;
 360   }
 361
 362   if(on_ground()) { /* Make sure jumping is off. */
 363     jumping = false;
 364     if (backflipping) {
 365       backflipping = false;
 366       backflip_direction = 0;
 367     }
 368   }
 369
 370   // Press jump key
 371   if(controller->pressed(Controller::JUMP) && can_jump && on_ground()) {
 372     if (duck) {
 373       if (physic.get_velocity_x() != 0) // only jump a little bit when running ducked
 374         physic.set_velocity_y(300);
 375       else { //do a backflip
 376         backflipping = true;
 377         physic.set_velocity_y(580);
 378         backflip_timer.start(0.15);
 379       }
 380     }
 381     else if (fabs(physic.get_velocity_x()) > MAX_WALK_XM) // jump higher if we are running
 382       physic.set_velocity_y(580);
 383     else
 384       physic.set_velocity_y(520);
 385
 386     //bbox.move(Vector(0, -1));
 387     jumping = true;
 388     can_jump = false;
 389     if (is_big())
 390       sound_manager->play("sounds/bigjump.wav");
 391     else
 392       sound_manager->play("sounds/jump.wav");
 393   } else if(!controller->hold(Controller::JUMP)) { // Let go of jump key
 394     if (!backflipping && jumping && physic.get_velocity_y() > 0) {
 395       jumping = false;
 396       physic.set_velocity_y(0);
 397     }
 398   }
 399
 400   /* In case the player has pressed Down while in a certain range of air,
 401      enable butt jump action */
 402   if (controller->hold(Controller::DOWN) && !butt_jump && !duck)
 403     //if(tiles_on_air(TILES_FOR_BUTTJUMP) && jumping)
 404     butt_jump = true;
 405
 406   /* When Down is not held anymore, disable butt jump */
 407   if(butt_jump && !controller->hold(Controller::DOWN))
 408     butt_jump = false;
 409
 410 #if 0
 411   // Do butt jump
 412   if (butt_jump && on_ground() && is_big()) {
 413     // Add a smoke cloud
 414     if (duck)
 415       Sector::current()->add_smoke_cloud(Vector(get_pos().x - 32, get_pos().y));
 416     else
 417       Sector::current()->add_smoke_cloud(
 418         Vector(get_pos().x - 32, get_pos().y + 32));
 419
 420     butt_jump = false;
 421
 422     // Break bricks beneath Tux
 423     if(Sector::current()->trybreakbrick(
 424          Vector(base.x + 1, base.y + base.height), false)
 425        || Sector::current()->trybreakbrick(
 426          Vector(base.x + base.width - 1, base.y + base.height), false)) {
 427       physic.set_velocity_y(2);
 428       butt_jump = true;
 429     }
 430
 431     // Kill nearby badguys
 432     std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
 433     for (std::vector<GameObject*>::iterator i = gameobjects.begin();
 434          i != gameobjects.end();
 435          i++) {
 436       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 437       if(badguy) {
 438         // don't kill when badguys are already dying or in a certain mode
 439         if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
 440            badguy->mode != BadGuy::BOMB_EXPLODE) {
 441           if (fabsf(base.x - badguy->base.x) < 96 &&
 442               fabsf(base.y - badguy->base.y) < 64)
 443             badguy->kill_me(25);
 444         }
 445       }
 446     }
 447   }
 448 #endif
 449
 450   /** jumping is only allowed if we're about to touch ground soon and if the
 451    * button has been up in between the last jump
 452    */
 453   // FIXME
 454 #if 0
 455   if ( (issolid(get_pos().x + bbox.get_width() / 2,
 456           get_pos().y + bbox.get_height() + 64) ||
 457         issolid(get_pos().x + 1, get_pos().y + bbox.get_height() + 64) ||
 458         issolid(get_pos().x + bbox.get_width() - 1,
 459           get_pos().y + bbox.get_height() + 64))
 460        && jumping  == false
 461        && can_jump == false
 462        && input.jump && !input.old_jump)
 463     {
 464       can_jump = true;
 465     }
 466 #endif
 467 }
 468
 469 void
 470 Player::handle_input()
 471 {
 472   /* Handle horizontal movement: */
 473   if (!backflipping) handle_horizontal_input();
 474   else {
 475     if (backflip_direction == 0) {
 476       dir == LEFT ? backflip_direction = 1 : backflip_direction = -1;
 477     }
 478     else backflip_direction == 1 ? dir = LEFT : dir = RIGHT; //prevent player from changing direction when backflipping
 479     if (backflip_timer.check()) physic.set_velocity_x(100 * backflip_direction);
 480   }
 481
 482
 483   /* Jump/jumping? */
 484   if (on_ground() && !controller->hold(Controller::JUMP))
 485     can_jump = true;
 486   handle_vertical_input();
 487
 488   /* Shoot! */
 489   if (controller->pressed(Controller::ACTION) && player_status->bonus == FIRE_BONUS) {
 490     if(Sector::current()->add_bullet(
 491          get_pos() + ((dir == LEFT)? Vector(0, bbox.get_height()/2)
 492                       : Vector(32, bbox.get_height()/2)),
 493          physic.get_velocity_x(), dir))
 494       shooting_timer.start(SHOOTING_TIME);
 495   }
 496
 497   /* Duck! */
 498   if (controller->hold(Controller::DOWN) && is_big() && !duck
 499       && physic.get_velocity_y() == 0 && on_ground()) {
 500     duck = true;
 501     bbox.move(Vector(0, 32));
 502     bbox.set_height(31.8);
 503   } else if(!controller->hold(Controller::DOWN) && is_big() && duck) {
 504     // if we have some velocity left then check if there is space for
 505     // unducking
 506     bbox.move(Vector(0, -32));
 507     bbox.set_height(63.8);
 508     if(Sector::current()->is_free_space(bbox) || (
 509         physic.get_velocity_x() > -.01 && physic.get_velocity_x() < .01
 510         && physic.get_velocity_y() > -.01 && physic.get_velocity_y() < .01))
 511     {
 512       duck = false;
 513     } else {
 514       // undo the ducking changes
 515       bbox.move(Vector(0, 32));
 516       bbox.set_height(31.8);
 517     }
 518   }
 519 }
 520
 521 void
 522 Player::set_bonus(BonusType type, bool animate)
 523 {
 524   if(player_status->bonus >= type)
 525     return;
 526
 527   if(player_status->bonus == NO_BONUS) {
 528     adjust_height = 63.8;
 529     if(animate)
 530       growing_timer.start(GROWING_TIME);
 531   }
 532
 533   player_status->bonus = type;
 534 }
 535
 536 void
 537 Player::set_visible(bool visible)
 538 {
 539   this->visible = visible;
 540 }
 541
 542 bool
 543 Player::get_visible()
 544 {
 545   return visible;
 546 }
 547
 548 void
 549 Player::kick()
 550 {
 551   kick_timer.start(KICK_TIME);
 552 }
 553
 554 void
 555 Player::draw(DrawingContext& context)
 556 {
 557   if(!visible)
 558     return;
 559
 560   TuxBodyParts* tux_body;
 561
 562   if (player_status->bonus == GROWUP_BONUS)
 563     tux_body = big_tux;
 564   else if (player_status->bonus == FIRE_BONUS)
 565     tux_body = fire_tux;
 566   else if (player_status->bonus == ICE_BONUS)
 567     tux_body = ice_tux;
 568   else
 569     tux_body = small_tux;
 570
 571   int layer = LAYER_OBJECTS + 10;
 572
 573   /* Set Tux sprite action */
 574   if (duck && is_big())
 575     {
 576     if(dir == LEFT)
 577       tux_body->set_action("duck-left");
 578     else // dir == RIGHT
 579       tux_body->set_action("duck-right");
 580     }
 581   else if (skidding_timer.started() && !skidding_timer.check())
 582     {
 583     if(dir == LEFT)
 584       tux_body->set_action("skid-left");
 585     else // dir == RIGHT
 586       tux_body->set_action("skid-right");
 587     }
 588   else if (kick_timer.started() && !kick_timer.check())
 589     {
 590     if(dir == LEFT)
 591       tux_body->set_action("kick-left");
 592     else // dir == RIGHT
 593       tux_body->set_action("kick-right");
 594     }
 595   else if (butt_jump && is_big())
 596     {
 597     if(dir == LEFT)
 598       tux_body->set_action("buttjump-left");
 599     else // dir == RIGHT
 600       tux_body->set_action("buttjump-right");
 601     }
 602   else if (physic.get_velocity_y() != 0 && !on_ground())
 603     {
 604     if(dir == LEFT)
 605       tux_body->set_action("jump-left");
 606     else // dir == RIGHT
 607       tux_body->set_action("jump-right");
 608     }
 609   else
 610     {
 611     if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
 612       {
 613       if(dir == LEFT)
 614         tux_body->set_action("stand-left");
 615       else // dir == RIGHT
 616         tux_body->set_action("stand-right");
 617       }
 618     else // moving
 619       {
 620       if(dir == LEFT)
 621         tux_body->set_action("walk-left");
 622       else // dir == RIGHT
 623         tux_body->set_action("walk-right");
 624       }
 625     }
 626
 627   if(idle_timer.check())
 628     {
 629     if(is_big())
 630       {
 631       if(dir == LEFT)
 632         tux_body->head->set_action("idle-left", 1);
 633       else // dir == RIGHT
 634         tux_body->head->set_action("idle-right", 1);
 635       }
 636
 637     }
 638
 639   // Tux is holding something
 640   if ((grabbed_object != 0 && physic.get_velocity_y() == 0) ||
 641       (shooting_timer.get_timeleft() > 0 && !shooting_timer.check()))
 642     {
 643     if (duck)
 644       {
 645       if(dir == LEFT)
 646         tux_body->arms->set_action("duck+grab-left");
 647       else // dir == RIGHT
 648         tux_body->arms->set_action("duck+grab-right");
 649       }
 650     else
 651       {
 652       if(dir == LEFT)
 653         tux_body->arms->set_action("grab-left");
 654       else // dir == RIGHT
 655         tux_body->arms->set_action("grab-right");
 656       }
 657     }
 658
 659   /* Draw Tux */
 660   if(dying) {
 661     smalltux_gameover->draw(context, get_pos(), layer);
 662   } else if(growing_timer.get_timeleft() > 0) {
 663     if(!is_big())
 664       {
 665       if (dir == RIGHT)
 666         context.draw_surface(growingtux_right[GROWING_FRAMES-1 -
 667                  int((growing_timer.get_timegone() *
 668                  GROWING_FRAMES) / GROWING_TIME)], get_pos(), layer);
 669       else
 670         context.draw_surface(growingtux_left[GROWING_FRAMES-1 -
 671                 int((growing_timer.get_timegone() *
 672                 GROWING_FRAMES) / GROWING_TIME)], get_pos(), layer);
 673       }
 674     else
 675       {
 676       if (dir == RIGHT)
 677         context.draw_surface(growingtux_right[
 678             int((growing_timer.get_timegone() *
 679                 GROWING_FRAMES) / GROWING_TIME)], get_pos(), layer);
 680       else
 681         context.draw_surface(growingtux_left[
 682             int((growing_timer.get_timegone() *
 683                              GROWING_FRAMES) / GROWING_TIME)],
 684             get_pos(), layer);
 685       }
 686     }
 687   else if (safe_timer.started() && size_t(game_time*40)%2)
 688     ;  // don't draw Tux
 689   else
 690     tux_body->draw(context, get_pos(), layer);
 691
 692   // Draw blinking star overlay
 693   if (invincible_timer.started() &&
 694      (invincible_timer.get_timeleft() > TUX_INVINCIBLE_TIME_WARNING
 695       || size_t(game_time*20)%2)
 696      && !dying)
 697   {
 698     if (!is_big() || duck)
 699       smalltux_star->draw(context, get_pos(), layer + 5);
 700     else
 701       bigtux_star->draw(context, get_pos(), layer + 5);
 702   }
 703 }
 704
 705 void
 706 Player::collision_tile(uint32_t tile_attributes)
 707 {
 708   if(tile_attributes & Tile::HURTS)
 709     kill(SHRINK);
 710 }
 711
 712 HitResponse
 713 Player::collision(GameObject& other, const CollisionHit& hit)
 714 {
 715   Bullet* bullet = dynamic_cast<Bullet*> (&other);
 716   if(bullet) {
 717     return FORCE_MOVE;
 718   }
 719
 720   if(other.get_flags() & FLAG_PORTABLE) {
 721     Portable* portable = dynamic_cast<Portable*> (&other);
 722     if(portable && grabbed_object == 0 && controller->hold(Controller::ACTION)
 723         && fabsf(hit.normal.x) > .9) {
 724       grabbed_object = portable;
 725       return CONTINUE;
 726     }
 727   }
 728
 729   if(other.get_flags() & FLAG_SOLID) {
 730     if(hit.normal.y < 0) { // landed on floor?
 731       if(physic.get_velocity_y() < 0)
 732         physic.set_velocity_y(0);
 733
 734       on_ground_flag = true;
 735
 736       // remember normal of this tile
 737       if (hit.normal.y > -0.9) {
 738         floor_normal.x = hit.normal.x;
 739         floor_normal.y = hit.normal.y;
 740       } else {
 741         // slowly adjust to unisolid tiles.
 742         // Necessary because our bounding box sometimes reaches through slopes and thus hits unisolid tiles
 743         floor_normal.x = (floor_normal.x * 0.9) + (hit.normal.x * 0.1);
 744         floor_normal.y = (floor_normal.y * 0.9) + (hit.normal.y * 0.1);
 745       }
 746
 747       // hack platforms so that we stand normally on them when going down...
 748       Platform* platform = dynamic_cast<Platform*> (&other);
 749       if(platform != NULL) {
 750         if(platform->get_speed().y > 0)
 751           physic.set_velocity_y(-platform->get_speed().y);
 752         //physic.set_velocity_x(platform->get_speed().x);
 753       }
 754     } else if(hit.normal.y > 0) { // bumped against the roof
 755       physic.set_velocity_y(.1);
 756
 757       // hack platform so that we are not glued to it from below
 758       Platform* platform = dynamic_cast<Platform*> (&other);
 759       if(platform != NULL) {
 760         physic.set_velocity_y(-platform->get_speed().y);
 761       }
 762     }
 763
 764     if(fabsf(hit.normal.x) > .9) { // hit on the side?
 765       physic.set_velocity_x(0);
 766     }
 767
 768     MovingObject* omov = dynamic_cast<MovingObject*> (&other);
 769     if(omov != NULL) {
 770       Vector mov = movement - omov->get_movement();
 771       /*
 772       printf("W %p - HITN: %3.1f %3.1f D:%3.1f TM: %3.1f %3.1f TD: %3.1f %3.1f PM: %3.2f %3.1f\n",
 773           omov,
 774           hit.normal.x, hit.normal.y,
 775           hit.depth,
 776           movement.x, movement.y,
 777           dest.p1.x, dest.p1.y,
 778           omov->get_movement().x, omov->get_movement().y);
 779       */
 780     }
 781
 782     return CONTINUE;
 783   }
 784
 785 #ifdef DEBUG
 786   assert(dynamic_cast<MovingObject*> (&other) != NULL);
 787 #endif
 788   MovingObject* moving_object = static_cast<MovingObject*> (&other);
 789   if(moving_object->get_group() == COLGROUP_TOUCHABLE) {
 790     TriggerBase* trigger = dynamic_cast<TriggerBase*> (&other);
 791     if(trigger) {
 792       if(controller->pressed(Controller::UP))
 793         trigger->event(*this, TriggerBase::EVENT_ACTIVATE);
 794     }
 795
 796     return FORCE_MOVE;
 797   }
 798
 799   BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
 800   if(badguy != NULL) {
 801     if(safe_timer.started())
 802       return FORCE_MOVE;
 803
 804     return CONTINUE;
 805   }
 806
 807   return FORCE_MOVE;
 808 }
 809
 810 void
 811 Player::make_invincible()
 812 {
 813   sound_manager->play("sounds/invincible.wav");
 814   invincible_timer.start(TUX_INVINCIBLE_TIME);
 815   Sector::current()->play_music(HERRING_MUSIC);
 816 }
 817
 818 /* Kill Player! */
 819 void
 820 Player::kill(HurtMode mode)
 821 {
 822   if(dying || deactivated)
 823     return;
 824
 825   if(mode != KILL &&
 826           (safe_timer.get_timeleft() > 0 || invincible_timer.get_timeleft() > 0))
 827     return;
 828
 829   sound_manager->play("sounds/hurt.wav");
 830
 831   physic.set_velocity_x(0);
 832
 833   if (mode == SHRINK && is_big())
 834     {
 835       if (player_status->bonus == FIRE_BONUS
 836           || player_status->bonus == ICE_BONUS)
 837         {
 838           safe_timer.start(TUX_SAFE_TIME);
 839           player_status->bonus = GROWUP_BONUS;
 840         }
 841       else
 842         {
 843           growing_timer.start(GROWING_TIME);
 844           safe_timer.start(TUX_SAFE_TIME + GROWING_TIME);
 845           adjust_height = 31.8;
 846           duck = false;
 847           player_status->bonus = NO_BONUS;
 848         }
 849     }
 850   else
 851     {
 852       physic.enable_gravity(true);
 853       physic.set_acceleration(0, 0);
 854       physic.set_velocity(0, 700);
 855       player_status->lives -= 1;
 856       player_status->bonus = NO_BONUS;
 857       dying = true;
 858       dying_timer.start(3.0);
 859       set_group(COLGROUP_DISABLED);
 860
 861       DisplayEffect* effect = new DisplayEffect();
 862       effect->fade_out(3.0);
 863       Sector::current()->add_object(effect);
 864       sound_manager->stop_music(3.0);
 865     }
 866 }
 867
 868 void
 869 Player::move(const Vector& vector)
 870 {
 871   bbox.set_pos(vector);
 872   if(is_big())
 873     bbox.set_size(31.8, 63.8);
 874   else
 875     bbox.set_size(31.8, 31.8);
 876   duck = false;
 877   last_ground_y = vector.y;
 878
 879   physic.reset();
 880 }
 881
 882 void
 883 Player::check_bounds(Camera* camera)
 884 {
 885   /* Keep tux in bounds: */
 886   if (get_pos().x < 0)
 887     { // Lock Tux to the size of the level, so that he doesn't fall of
 888       // on the left side
 889       bbox.set_pos(Vector(0, get_pos().y));
 890     }
 891
 892   /* Keep in-bounds, vertically: */
 893   if (get_pos().y > Sector::current()->solids->get_height() * 32)
 894     {
 895       kill(KILL);
 896       return;
 897     }
 898
 899   bool adjust = false;
 900   // can happen if back scrolling is disabled
 901   if(get_pos().x < camera->get_translation().x) {
 902     bbox.set_pos(Vector(camera->get_translation().x, get_pos().y));
 903     adjust = true;
 904   }
 905   if(get_pos().x >= camera->get_translation().x + SCREEN_WIDTH - bbox.get_width())
 906   {
 907     bbox.set_pos(Vector(
 908           camera->get_translation().x + SCREEN_WIDTH - bbox.get_width(),
 909           get_pos().y));
 910     adjust = true;
 911   }
 912
 913   if(adjust) {
 914     // FIXME
 915 #if 0
 916     // squished now?
 917     if(collision_object_map(bbox)) {
 918       kill(KILL);
 919       return;
 920     }
 921 #endif
 922   }
 923 }
 924
 925 void
 926 Player::add_velocity(const Vector& velocity)
 927 {
 928   physic.set_velocity(physic.get_velocity() + velocity);
 929 }
 930
 931 void
 932 Player::bounce(BadGuy& )
 933 {
 934   if(controller->hold(Controller::JUMP))
 935     physic.set_velocity_y(520);
 936   else
 937     physic.set_velocity_y(300);
 938 }
 939
 940 //Scripting Functions Below
 941
 942 void
 943 Player::deactivate()
 944 {
 945   deactivated = true;
 946   physic.set_velocity_x(0);
 947   physic.set_velocity_y(0);
 948 }
 949
 950 void
 951 Player::activate()
 952 {
 953   deactivated = false;
 954 }
 955
 956 void Player::walk(float speed)
 957 {
 958   physic.set_velocity_x(speed);
 959 }