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 PowerUp::PowerUp(const Reader& lisp) :
  25   MovingSprite(lisp, LAYER_OBJECTS, COLGROUP_MOVING),
  26   physic(),
  27   script(),
  28   no_physics()
  29 {
  30   lisp.get("script", script);
  31   no_physics = false;
  32   lisp.get("disable-physics", no_physics);
  33   physic.enable_gravity(true);
  34   sound_manager->preload("sounds/grow.ogg");
  35   sound_manager->preload("sounds/fire-flower.wav");
  36 }
  37
  38 void
  39 PowerUp::collision_solid(const CollisionHit& hit)
  40 {
  41   if(hit.bottom) {
  42     physic.set_velocity_y(0);
  43   }
  44   if(hit.right || hit.left) {
  45     physic.set_velocity_x(-physic.get_velocity_x());
  46   }
  47 }
  48
  49 HitResponse
  50 PowerUp::collision(GameObject& other, const CollisionHit&)
  51 {
  52   Player* player = dynamic_cast<Player*>(&other);
  53   if(player == 0)
  54     return FORCE_MOVE;
  55
  56   if (script != "") {
  57     std::istringstream stream(script);
  58     Sector::current()->run_script(stream, "powerup-script");
  59     remove_me();
  60     return ABORT_MOVE;
  61   }
  62
  63   // some defaults if no script has been set
  64   if (sprite_name == "images/powerups/egg/egg.sprite") {
  65     if(!player->add_bonus(GROWUP_BONUS, true))
  66       return FORCE_MOVE;
  67     sound_manager->play("sounds/grow.ogg");
  68   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  69     if(!player->add_bonus(FIRE_BONUS, true))
  70       return FORCE_MOVE;
  71     sound_manager->play("sounds/fire-flower.wav");
  72   } else if (sprite_name == "images/powerups/star/star.sprite") {
  73     player->make_invincible();
  74   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
  75     player->get_status()->add_coins(100);
  76   }
  77
  78   remove_me();
  79   return ABORT_MOVE;
  80 }
  81
  82 void
  83 PowerUp::update(float elapsed_time)
  84 {
  85   if (!no_physics)
  86     movement = physic.get_movement(elapsed_time);
  87 }
  88
  89 /* EOF */