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 "math/random_generator.hpp"
  19 #include "object/player.hpp"
  20 #include "object/powerup.hpp"
  21 #include "object/sprite_particle.hpp"
  22 #include "scripting/level.hpp"
  23 #include "sprite/sprite.hpp"
  24 #include "sprite/sprite_manager.hpp"
  25 #include "supertux/object_factory.hpp"
  26 #include "supertux/sector.hpp"
  27 #include "util/reader.hpp"
  28
  29 #include <sstream>
  30
  31 PowerUp::PowerUp(const Reader& lisp) :
  32   MovingSprite(lisp, LAYER_OBJECTS, COLGROUP_MOVING),
  33   physic(),
  34   script(),
  35   no_physics(),
  36   light(0.0f,0.0f,0.0f),
  37   lightsprite(SpriteManager::current()->create("images/objects/lightmap_light/lightmap_light-small.sprite"))
  38 {
  39   lisp.get("script", script);
  40   no_physics = false;
  41   lisp.get("disable-physics", no_physics);
  42   physic.enable_gravity(true);
  43   SoundManager::current()->preload("sounds/grow.ogg");
  44   SoundManager::current()->preload("sounds/fire-flower.wav");
  45   //set default light for glow effect for standard sprites
  46   lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  47   lightsprite->set_color(Color(0.0f, 0.0f, 0.0f));
  48   if (sprite_name == "images/powerups/egg/egg.sprite") {
  49     lightsprite->set_color(Color(0.2f, 0.2f, 0.0f));
  50   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  51     lightsprite->set_color(Color(0.3f, 0.0f, 0.0f));
  52   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  53     lightsprite->set_color(Color(0.0f, 0.1f, 0.2f));
  54   } else if (sprite_name == "images/powerups/star/star.sprite") {
  55     lightsprite->set_color(Color(0.4f, 0.4f, 0.4f));
  56   }
  57
  58 }
  59
  60 PowerUp::PowerUp(const Vector& pos, const std::string& sprite_name_) :
  61   MovingSprite(pos, sprite_name_, LAYER_OBJECTS, COLGROUP_MOVING),
  62   physic(),
  63   script(),
  64   no_physics(false),
  65   light(0.0f,0.0f,0.0f),
  66   lightsprite(SpriteManager::current()->create("images/objects/lightmap_light/lightmap_light-small.sprite"))
  67 {
  68   physic.enable_gravity(true);
  69   SoundManager::current()->preload("sounds/grow.ogg");
  70   SoundManager::current()->preload("sounds/fire-flower.wav");
  71   //set default light for glow effect for standard sprites
  72   lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  73   lightsprite->set_color(Color(0.0f, 0.0f, 0.0f));
  74   if (sprite_name == "images/powerups/egg/egg.sprite") {
  75     lightsprite->set_color(Color(0.2f, 0.2f, 0.0f));
  76   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  77     lightsprite->set_color(Color(0.3f, 0.0f, 0.0f));
  78   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  79     lightsprite->set_color(Color(0.0f, 0.1f, 0.2f));
  80   } else if (sprite_name == "images/powerups/star/star.sprite") {
  81     lightsprite->set_color(Color(0.4f, 0.4f, 0.4f));
  82   }
  83 }
  84
  85 void
  86 PowerUp::collision_solid(const CollisionHit& hit)
  87 {
  88   if(hit.bottom) {
  89     physic.set_velocity_y(0);
  90   }
  91   if(hit.right || hit.left) {
  92     physic.set_velocity_x(-physic.get_velocity_x());
  93   }
  94 }
  95
  96 HitResponse
  97 PowerUp::collision(GameObject& other, const CollisionHit&)
  98 {
  99   Player* player = dynamic_cast<Player*>(&other);
 100   if(player == 0)
 101     return FORCE_MOVE;
 102
 103   if (script != "") {
 104     std::istringstream stream(script);
 105     Sector::current()->run_script(stream, "powerup-script");
 106     remove_me();
 107     return ABORT_MOVE;
 108   }
 109
 110   // some defaults if no script has been set
 111   if (sprite_name == "images/powerups/egg/egg.sprite") {
 112     if(!player->add_bonus(GROWUP_BONUS, true))
 113       return FORCE_MOVE;
 114     SoundManager::current()->play("sounds/grow.ogg");
 115   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
 116     if(!player->add_bonus(FIRE_BONUS, true))
 117       return FORCE_MOVE;
 118     SoundManager::current()->play("sounds/fire-flower.wav");
 119   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
 120     if(!player->add_bonus(ICE_BONUS, true))
 121       return FORCE_MOVE;
 122     SoundManager::current()->play("sounds/fire-flower.wav");
 123   } else if (sprite_name == "images/powerups/star/star.sprite") {
 124     player->make_invincible();
 125   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
 126     player->get_status()->add_coins(100);
 127   } else if (sprite_name == "images/powerups/potions/red-potion.sprite") {
 128     scripting::Level_flip_vertically();
 129   }
 130
 131   remove_me();
 132   return ABORT_MOVE;
 133 }
 134
 135 void
 136 PowerUp::update(float elapsed_time)
 137 {
 138   if (!no_physics)
 139     movement = physic.get_movement(elapsed_time);
 140   //Stars sparkle when close to Tux
 141   if (sprite_name == "images/powerups/star/star.sprite"){
 142     Player* player = Sector::current()->get_nearest_player (this->get_bbox ());
 143     if (player) {
 144       float disp_x = player->get_bbox().p1.x - bbox.p1.x;
 145       float disp_y = player->get_bbox().p1.y - bbox.p1.y;
 146       if (disp_x*disp_x + disp_y*disp_y <= 256*256)
 147       {
 148         if (graphicsRandom.rand(0, 2) == 0) {
 149           float px = graphicsRandom.randf(bbox.p1.x+0, bbox.p2.x-0);
 150           float py = graphicsRandom.randf(bbox.p1.y+0, bbox.p2.y-0);
 151           Vector ppos = Vector(px, py);
 152           Vector pspeed = Vector(0, 0);
 153           Vector paccel = Vector(0, 0);
 154           Sector::current()->add_object(std::make_shared<SpriteParticle>(
 155                                           "images/objects/particles/sparkle.sprite",
 156                                           // draw bright sparkles when very close to Tux, dark sparkles when slightly further
 157                                           (disp_x*disp_x + disp_y*disp_y <= 128*128) ?
 158                                           // make every other a longer sparkle to make trail a bit fuzzy
 159                                           (size_t(game_time*20)%2) ? "small" : "medium" : "dark",
 160                                           ppos, ANCHOR_MIDDLE, pspeed, paccel, LAYER_OBJECTS+1+5));
 161         }
 162       }
 163     }
 164   }
 165 }
 166
 167 void
 168 PowerUp::draw(DrawingContext& context){
 169   //Draw the Sprite.
 170   sprite->draw(context, get_pos(), layer);
 171   //Draw light when dark for defaults
 172   context.get_light( get_bbox().get_middle(), &light );
 173   if (light.red + light.green + light.blue < 3.0){
 174     //Stars are brighter
 175     if (sprite_name == "images/powerups/star/star.sprite") {
 176       sprite->draw(context, get_pos(), layer);
 177     }
 178     context.push_target();
 179     context.set_target(DrawingContext::LIGHTMAP);
 180     lightsprite->draw(context, get_bbox().get_middle(), 0);
 181     context.pop_target();
 182   }
 183 }
 184 /* EOF */