src/badguy/haywire.cpp

   1 //  SuperTux
   2 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
   3 //  Copyright (C) 2010 Florian Forster <supertux at octo.it>
   4 //
   5 //  This program is free software: you can redistribute it and/or modify
   6 //  it under the terms of the GNU General Public License as published by
   7 //  the Free Software Foundation, either version 3 of the License, or
   8 //  (at your option) any later version.
   9 //
  10 //  This program is distributed in the hope that it will be useful,
  11 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 //  GNU General Public License for more details.
  14 //
  15 //  You should have received a copy of the GNU General Public License
  16 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 #include "audio/sound_manager.hpp"
  19 #include "badguy/bomb.hpp"
  20 #include "badguy/haywire.hpp"
  21 #include "object/explosion.hpp"
  22 #include "object/player.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 #define TIME_EXPLOSION 5.0
  30 #define TIME_STUNNED   0.5
  31
  32 Haywire::Haywire(const Reader& reader) :
  33   WalkingBadguy(reader, "images/creatures/haywire/haywire.sprite", "left", "right"),
  34   is_exploding(false),
  35   time_until_explosion(0.0f),
  36   is_stunned(false),
  37   time_stunned(0.0f),
  38   ticking(),
  39   grunting()
  40 {
  41   walk_speed = 80;
  42   max_drop_height = 16;
  43
  44   //Prevent stutter when Tux jumps on Mr Bomb
  45   SoundManager::current()->preload("sounds/explosion.wav");
  46
  47   //Check if we need another sprite
  48   if( !reader.get( "sprite", sprite_name ) ){
  49     return;
  50   }
  51   if( sprite_name == "" ){
  52     sprite_name = "images/creatures/haywire/haywire.sprite";
  53     return;
  54   }
  55   //Replace sprite
  56   sprite = SpriteManager::current()->create( sprite_name );
  57 }
  58
  59 HitResponse
  60 Haywire::collision(GameObject& object, const CollisionHit& hit)
  61 {
  62   return WalkingBadguy::collision(object, hit);
  63 }
  64
  65 HitResponse
  66 Haywire::collision_player(Player& player, const CollisionHit& hit)
  67 {
  68   return WalkingBadguy::collision_player(player, hit);
  69 }
  70
  71 bool
  72 Haywire::collision_squished(GameObject& object)
  73 {
  74   Player* player = dynamic_cast<Player*>(&object);
  75   if (player && player->is_invincible()) {
  76     player->bounce (*this);
  77     kill_fall();
  78     return true;
  79   }
  80
  81   if (is_stunned) {
  82     if (player)
  83       player->bounce (*this);
  84     return true;
  85   }
  86
  87   if(WalkingBadguy::is_frozen()) {
  88     WalkingBadguy::unfreeze();
  89   }
  90
  91   if (!is_exploding) {
  92     set_action ((dir == LEFT) ? "ticking-left" : "ticking-right", /* loops = */ -1);
  93     walk_left_action = "ticking-left";
  94     walk_right_action = "ticking-right";
  95     set_walk_speed (160);
  96     time_until_explosion = TIME_EXPLOSION;
  97     is_exploding = true;
  98
  99     ticking = SoundManager::current()->create_sound_source("sounds/fizz.wav");
 100     ticking->set_position(get_pos());
 101     ticking->set_looping(true);
 102     ticking->set_reference_distance(32);
 103     ticking->play();
 104     grunting = SoundManager::current()->create_sound_source("sounds/grunts.ogg");
 105     grunting->set_position(get_pos());
 106     grunting->set_looping(true);
 107     grunting->set_reference_distance(32);
 108     grunting->play();
 109   }
 110
 111   time_stunned = TIME_STUNNED;
 112   is_stunned = true;
 113   physic.set_velocity_x (0.0);
 114   physic.set_acceleration_x (0.0);
 115
 116   if (player)
 117     player->bounce (*this);
 118
 119   return true;
 120 }
 121
 122 void
 123 Haywire::active_update(float elapsed_time)
 124 {
 125   if (is_exploding) {
 126     ticking->set_position(get_pos());
 127     grunting->set_position(get_pos());
 128     if (elapsed_time >= time_until_explosion) {
 129       kill_fall ();
 130       return;
 131     }
 132     else
 133       time_until_explosion -= elapsed_time;
 134   }
 135
 136   if (is_stunned) {
 137     if (time_stunned > elapsed_time) {
 138       time_stunned -= elapsed_time;
 139       return;
 140     }
 141     else { /* if (time_stunned <= elapsed_time) */
 142       elapsed_time -= time_stunned;
 143       time_stunned = 0.0;
 144       is_stunned = false;
 145     }
 146   }
 147
 148   if (is_exploding) {
 149     Player *p = this->get_nearest_player ();
 150     float target_velocity = 0.0;
 151
 152     if (p) {
 153       /* Player is on the right */
 154       if (p->get_pos ().x > this->get_pos ().x)
 155         target_velocity = walk_speed;
 156       else /* player in on the left */
 157         target_velocity = (-1.0) * walk_speed;
 158     } /* if (player) */
 159
 160     WalkingBadguy::active_update(elapsed_time, target_velocity);
 161   }
 162   else {
 163     WalkingBadguy::active_update(elapsed_time);
 164   }
 165 }
 166
 167 void
 168 Haywire::kill_fall()
 169 {
 170   if(is_exploding) {
 171     ticking->stop();
 172     grunting->stop();
 173   }
 174   if(is_valid()) {
 175     remove_me();
 176     auto explosion = std::make_shared<Explosion>(get_bbox().get_middle());
 177     Sector::current()->add_object(explosion);
 178   }
 179
 180   run_dead_script();
 181 }
 182
 183 bool
 184 Haywire::is_freezable() const
 185 {
 186   return true;
 187 }
 188
 189 /* vim: set sw=2 sts=2 et : */
 190 /* EOF */