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 "sprite/sprite.hpp"
  23 #include "sprite/sprite_manager.hpp"
  24 #include "util/reader.hpp"
  25
  26 #include <sstream>
  27
  28 PowerUp::PowerUp(const Reader& lisp) :
  29   MovingSprite(lisp, LAYER_OBJECTS, COLGROUP_MOVING),
  30   physic(),
  31   script(),
  32   no_physics(),
  33   light(0.0f,0.0f,0.0f),
  34   lightsprite(sprite_manager->create("images/objects/lightmap_light/lightmap_light-small.sprite"))
  35 {
  36   lisp.get("script", script);
  37   no_physics = false;
  38   lisp.get("disable-physics", no_physics);
  39   physic.enable_gravity(true);
  40   sound_manager->preload("sounds/grow.ogg");
  41   sound_manager->preload("sounds/fire-flower.wav");
  42   //set default light for glow effect for standard sprites
  43   lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  44   lightsprite->set_color(Color(0.0f, 0.0f, 0.0f));
  45   if (sprite_name == "images/powerups/egg/egg.sprite") {
  46     lightsprite->set_color(Color(0.2f, 0.2f, 0.0f));
  47   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  48     lightsprite->set_color(Color(0.3f, 0.0f, 0.0f));
  49   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  50     lightsprite->set_color(Color(0.0f, 0.1f, 0.2f));
  51   } else if (sprite_name == "images/powerups/star/star.sprite") {
  52     lightsprite->set_color(Color(0.4f, 0.4f, 0.4f));
  53   }
  54
  55 }
  56
  57 void
  58 PowerUp::collision_solid(const CollisionHit& hit)
  59 {
  60   if(hit.bottom) {
  61     physic.set_velocity_y(0);
  62   }
  63   if(hit.right || hit.left) {
  64     physic.set_velocity_x(-physic.get_velocity_x());
  65   }
  66 }
  67
  68 HitResponse
  69 PowerUp::collision(GameObject& other, const CollisionHit&)
  70 {
  71   Player* player = dynamic_cast<Player*>(&other);
  72   if(player == 0)
  73     return FORCE_MOVE;
  74
  75   if (script != "") {
  76     std::istringstream stream(script);
  77     Sector::current()->run_script(stream, "powerup-script");
  78     remove_me();
  79     return ABORT_MOVE;
  80   }
  81
  82   // some defaults if no script has been set
  83   if (sprite_name == "images/powerups/egg/egg.sprite") {
  84     if(!player->add_bonus(GROWUP_BONUS, true))
  85       return FORCE_MOVE;
  86     sound_manager->play("sounds/grow.ogg");
  87   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  88     if(!player->add_bonus(FIRE_BONUS, true))
  89       return FORCE_MOVE;
  90     sound_manager->play("sounds/fire-flower.wav");
  91   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  92     if(!player->add_bonus(ICE_BONUS, true))
  93       return FORCE_MOVE;
  94     sound_manager->play("sounds/fire-flower.wav");
  95   } else if (sprite_name == "images/powerups/star/star.sprite") {
  96     player->make_invincible();
  97   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
  98     player->get_status()->add_coins(100);
  99   }
 100
 101   remove_me();
 102   return ABORT_MOVE;
 103 }
 104
 105 void
 106 PowerUp::update(float elapsed_time)
 107 {
 108   if (!no_physics)
 109     movement = physic.get_movement(elapsed_time);
 110 }
 111
 112 void
 113 PowerUp::draw(DrawingContext& context){
 114   //Draw the Sprite.
 115   sprite->draw(context, get_pos(), layer);
 116   //Draw light when dark for defaults
 117   context.get_light( get_bbox().get_middle(), &light );
 118   if (light.red + light.green + light.blue < 3.0){
 119     //Stars are brighter
 120     if (sprite_name == "images/powerups/star/star.sprite") {
 121       sprite->draw(context, get_pos(), layer);
 122     }
 123     context.push_target();
 124     context.set_target(DrawingContext::LIGHTMAP);
 125     lightsprite->draw(context, get_bbox().get_middle(), 0);
 126     context.pop_target();
 127   }
 128 }
 129 /* EOF */