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 "scripting/level.hpp"
  21 #include "supertux/object_factory.hpp"
  22 #include "supertux/sector.hpp"
  23 #include "sprite/sprite.hpp"
  24 #include "sprite/sprite_manager.hpp"
  25 #include "util/reader.hpp"
  26
  27 #include <sstream>
  28
  29 PowerUp::PowerUp(const Reader& lisp) :
  30   MovingSprite(lisp, LAYER_OBJECTS, COLGROUP_MOVING),
  31   physic(),
  32   script(),
  33   no_physics(),
  34   light(0.0f,0.0f,0.0f),
  35   lightsprite(sprite_manager->create("images/objects/lightmap_light/lightmap_light-small.sprite"))
  36 {
  37   lisp.get("script", script);
  38   no_physics = false;
  39   lisp.get("disable-physics", no_physics);
  40   physic.enable_gravity(true);
  41   sound_manager->preload("sounds/grow.ogg");
  42   sound_manager->preload("sounds/fire-flower.wav");
  43   //set default light for glow effect for standard sprites
  44   lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  45   lightsprite->set_color(Color(0.0f, 0.0f, 0.0f));
  46   if (sprite_name == "images/powerups/egg/egg.sprite") {
  47     lightsprite->set_color(Color(0.2f, 0.2f, 0.0f));
  48   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  49     lightsprite->set_color(Color(0.3f, 0.0f, 0.0f));
  50   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  51     lightsprite->set_color(Color(0.0f, 0.1f, 0.2f));
  52   } else if (sprite_name == "images/powerups/star/star.sprite") {
  53     lightsprite->set_color(Color(0.4f, 0.4f, 0.4f));
  54   }
  55
  56 }
  57
  58 void
  59 PowerUp::collision_solid(const CollisionHit& hit)
  60 {
  61   if(hit.bottom) {
  62     physic.set_velocity_y(0);
  63   }
  64   if(hit.right || hit.left) {
  65     physic.set_velocity_x(-physic.get_velocity_x());
  66   }
  67 }
  68
  69 HitResponse
  70 PowerUp::collision(GameObject& other, const CollisionHit&)
  71 {
  72   Player* player = dynamic_cast<Player*>(&other);
  73   if(player == 0)
  74     return FORCE_MOVE;
  75
  76   if (script != "") {
  77     std::istringstream stream(script);
  78     Sector::current()->run_script(stream, "powerup-script");
  79     remove_me();
  80     return ABORT_MOVE;
  81   }
  82
  83   // some defaults if no script has been set
  84   if (sprite_name == "images/powerups/egg/egg.sprite") {
  85     if(!player->add_bonus(GROWUP_BONUS, true))
  86       return FORCE_MOVE;
  87     sound_manager->play("sounds/grow.ogg");
  88   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  89     if(!player->add_bonus(FIRE_BONUS, true))
  90       return FORCE_MOVE;
  91     sound_manager->play("sounds/fire-flower.wav");
  92   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  93     if(!player->add_bonus(ICE_BONUS, true))
  94       return FORCE_MOVE;
  95     sound_manager->play("sounds/fire-flower.wav");
  96   } else if (sprite_name == "images/powerups/star/star.sprite") {
  97     player->make_invincible();
  98   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
  99     player->get_status()->add_coins(100);
 100   } else if (sprite_name == "images/powerups/potions/red-potion.sprite") {
 101     scripting::Level_flip_vertically();
 102   }
 103
 104   remove_me();
 105   return ABORT_MOVE;
 106 }
 107
 108 void
 109 PowerUp::update(float elapsed_time)
 110 {
 111   if (!no_physics)
 112     movement = physic.get_movement(elapsed_time);
 113 }
 114
 115 void
 116 PowerUp::draw(DrawingContext& context){
 117   //Draw the Sprite.
 118   sprite->draw(context, get_pos(), layer);
 119   //Draw light when dark for defaults
 120   context.get_light( get_bbox().get_middle(), &light );
 121   if (light.red + light.green + light.blue < 3.0){
 122     //Stars are brighter
 123     if (sprite_name == "images/powerups/star/star.sprite") {
 124       sprite->draw(context, get_pos(), layer);
 125     }
 126     context.push_target();
 127     context.set_target(DrawingContext::LIGHTMAP);
 128     lightsprite->draw(context, get_bbox().get_middle(), 0);
 129     context.pop_target();
 130   }
 131 }
 132 /* EOF */