src/object/powerup.cpp

   1 //  SuperTux
   2 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
   3 //
   4 //  This program is free software: you can redistribute it and/or modify
   5 //  it under the terms of the GNU General Public License as published by
   6 //  the Free Software Foundation, either version 3 of the License, or
   7 //  (at your option) any later version.
   8 //
   9 //  This program is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 //  GNU General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU General Public License
  15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "audio/sound_manager.hpp"
  18 #include "object/player.hpp"
  19 #include "object/powerup.hpp"
  20 #include "supertux/object_factory.hpp"
  21 #include "supertux/sector.hpp"
  22 #include "util/reader.hpp"
  23
  24 #include <sstream>
  25
  26 PowerUp::PowerUp(const Reader& lisp) :
  27   MovingSprite(lisp, LAYER_OBJECTS, COLGROUP_MOVING),
  28   physic(),
  29   script(),
  30   no_physics()
  31 {
  32   lisp.get("script", script);
  33   no_physics = false;
  34   lisp.get("disable-physics", no_physics);
  35   physic.enable_gravity(true);
  36   sound_manager->preload("sounds/grow.ogg");
  37   sound_manager->preload("sounds/fire-flower.wav");
  38 }
  39
  40 void
  41 PowerUp::collision_solid(const CollisionHit& hit)
  42 {
  43   if(hit.bottom) {
  44     physic.set_velocity_y(0);
  45   }
  46   if(hit.right || hit.left) {
  47     physic.set_velocity_x(-physic.get_velocity_x());
  48   }
  49 }
  50
  51 HitResponse
  52 PowerUp::collision(GameObject& other, const CollisionHit&)
  53 {
  54   Player* player = dynamic_cast<Player*>(&other);
  55   if(player == 0)
  56     return FORCE_MOVE;
  57
  58   if (script != "") {
  59     std::istringstream stream(script);
  60     Sector::current()->run_script(stream, "powerup-script");
  61     remove_me();
  62     return ABORT_MOVE;
  63   }
  64
  65   // some defaults if no script has been set
  66   if (sprite_name == "images/powerups/egg/egg.sprite") {
  67     if(!player->add_bonus(GROWUP_BONUS, true))
  68       return FORCE_MOVE;
  69     sound_manager->play("sounds/grow.ogg");
  70   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  71     if(!player->add_bonus(FIRE_BONUS, true))
  72       return FORCE_MOVE;
  73     sound_manager->play("sounds/fire-flower.wav");
  74   } else if (sprite_name == "images/powerups/star/star.sprite") {
  75     player->make_invincible();
  76   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
  77     player->get_status()->add_coins(100);
  78   }
  79
  80   remove_me();
  81   return ABORT_MOVE;
  82 }
  83
  84 void
  85 PowerUp::update(float elapsed_time)
  86 {
  87   if (!no_physics)
  88     movement = physic.get_movement(elapsed_time);
  89 }
  90
  91 /* EOF */