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/airflower/airflower.sprite") {
  55     lightsprite->set_color(Color(0.15f, 0.0f, 0.15f));
  56   } else if (sprite_name == "images/powerups/earthflower/earthflower.sprite") {
  57     lightsprite->set_color(Color(0.0f, 0.3f, 0.0f));
  58   } else if (sprite_name == "images/powerups/star/star.sprite") {
  59     lightsprite->set_color(Color(0.4f, 0.4f, 0.4f));
  60   }
  61
  62 }
  63
  64 PowerUp::PowerUp(const Vector& pos, const std::string& sprite_name_) :
  65   MovingSprite(pos, sprite_name_, LAYER_OBJECTS, COLGROUP_MOVING),
  66   physic(),
  67   script(),
  68   no_physics(false),
  69   light(0.0f,0.0f,0.0f),
  70   lightsprite(SpriteManager::current()->create("images/objects/lightmap_light/lightmap_light-small.sprite"))
  71 {
  72   physic.enable_gravity(true);
  73   SoundManager::current()->preload("sounds/grow.ogg");
  74   SoundManager::current()->preload("sounds/fire-flower.wav");
  75   //set default light for glow effect for standard sprites
  76   lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  77   lightsprite->set_color(Color(0.0f, 0.0f, 0.0f));
  78   if (sprite_name == "images/powerups/egg/egg.sprite") {
  79     lightsprite->set_color(Color(0.2f, 0.2f, 0.0f));
  80   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
  81     lightsprite->set_color(Color(0.3f, 0.0f, 0.0f));
  82   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
  83     lightsprite->set_color(Color(0.0f, 0.1f, 0.2f));
  84   } else if (sprite_name == "images/powerups/airflower/airflower.sprite") {
  85     lightsprite->set_color(Color(0.15f, 0.0f, 0.15f));
  86   } else if (sprite_name == "images/powerups/earthflower/earthflower.sprite") {
  87     lightsprite->set_color(Color(0.0f, 0.3f, 0.0f));
  88   } else if (sprite_name == "images/powerups/star/star.sprite") {
  89     lightsprite->set_color(Color(0.4f, 0.4f, 0.4f));
  90   }
  91 }
  92
  93 void
  94 PowerUp::collision_solid(const CollisionHit& hit)
  95 {
  96   if(hit.bottom) {
  97     physic.set_velocity_y(0);
  98   }
  99   if(hit.right || hit.left) {
 100     physic.set_velocity_x(-physic.get_velocity_x());
 101   }
 102 }
 103
 104 HitResponse
 105 PowerUp::collision(GameObject& other, const CollisionHit&)
 106 {
 107   Player* player = dynamic_cast<Player*>(&other);
 108   if(player == 0)
 109     return FORCE_MOVE;
 110
 111   if (script != "") {
 112     std::istringstream stream(script);
 113     Sector::current()->run_script(stream, "powerup-script");
 114     remove_me();
 115     return ABORT_MOVE;
 116   }
 117
 118   // some defaults if no script has been set
 119   if (sprite_name == "images/powerups/egg/egg.sprite") {
 120     if(!player->add_bonus(GROWUP_BONUS, true))
 121       return FORCE_MOVE;
 122     SoundManager::current()->play("sounds/grow.ogg");
 123   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
 124     if(!player->add_bonus(FIRE_BONUS, true))
 125       return FORCE_MOVE;
 126     SoundManager::current()->play("sounds/fire-flower.wav");
 127   } else if (sprite_name == "images/powerups/iceflower/iceflower.sprite") {
 128     if(!player->add_bonus(ICE_BONUS, true))
 129       return FORCE_MOVE;
 130     SoundManager::current()->play("sounds/fire-flower.wav");
 131   } else if (sprite_name == "images/powerups/airflower/airflower.sprite") {
 132     if(!player->add_bonus(AIR_BONUS, true))
 133       return FORCE_MOVE;
 134     SoundManager::current()->play("sounds/fire-flower.wav");
 135   } else if (sprite_name == "images/powerups/earthflower/earthflower.sprite") {
 136     if(!player->add_bonus(EARTH_BONUS, true))
 137       return FORCE_MOVE;
 138     SoundManager::current()->play("sounds/fire-flower.wav");
 139   } else if (sprite_name == "images/powerups/star/star.sprite") {
 140     player->make_invincible();
 141   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
 142     player->get_status()->add_coins(100);
 143   } else if (sprite_name == "images/powerups/potions/red-potion.sprite") {
 144     scripting::Level_flip_vertically();
 145   }
 146
 147   remove_me();
 148   return ABORT_MOVE;
 149 }
 150
 151 void
 152 PowerUp::update(float elapsed_time)
 153 {
 154   if (!no_physics)
 155     movement = physic.get_movement(elapsed_time);
 156   //Stars sparkle when close to Tux
 157   if (sprite_name == "images/powerups/star/star.sprite"){
 158     Player* player = Sector::current()->get_nearest_player (this->get_bbox ());
 159     if (player) {
 160       float disp_x = player->get_bbox().p1.x - bbox.p1.x;
 161       float disp_y = player->get_bbox().p1.y - bbox.p1.y;
 162       if (disp_x*disp_x + disp_y*disp_y <= 256*256)
 163       {
 164         if (graphicsRandom.rand(0, 2) == 0) {
 165           float px = graphicsRandom.randf(bbox.p1.x+0, bbox.p2.x-0);
 166           float py = graphicsRandom.randf(bbox.p1.y+0, bbox.p2.y-0);
 167           Vector ppos = Vector(px, py);
 168           Vector pspeed = Vector(0, 0);
 169           Vector paccel = Vector(0, 0);
 170           Sector::current()->add_object(std::make_shared<SpriteParticle>(
 171                                           "images/objects/particles/sparkle.sprite",
 172                                           // draw bright sparkles when very close to Tux, dark sparkles when slightly further
 173                                           (disp_x*disp_x + disp_y*disp_y <= 128*128) ?
 174                                           // make every other a longer sparkle to make trail a bit fuzzy
 175                                           (size_t(game_time*20)%2) ? "small" : "medium" : "dark",
 176                                           ppos, ANCHOR_MIDDLE, pspeed, paccel, LAYER_OBJECTS+1+5));
 177         }
 178       }
 179     }
 180   }
 181 }
 182
 183 void
 184 PowerUp::draw(DrawingContext& context){
 185   //Draw the Sprite.
 186   sprite->draw(context, get_pos(), layer);
 187   //Draw light when dark for defaults
 188   context.get_light( get_bbox().get_middle(), &light );
 189   if (light.red + light.green + light.blue < 3.0){
 190     //Stars are brighter
 191     if (sprite_name == "images/powerups/star/star.sprite") {
 192       sprite->draw(context, get_pos(), layer);
 193     }
 194     context.push_target();
 195     context.set_target(DrawingContext::LIGHTMAP);
 196     lightsprite->draw(context, get_bbox().get_middle(), 0);
 197     context.pop_target();
 198   }
 199 }
 200 /* EOF */