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 {
  39   walk_speed = 80;
  40   max_drop_height = 16;
  41
  42   //Prevent stutter when Tux jumps on Mr Bomb
  43   sound_manager->preload("sounds/explosion.wav");
  44
  45   //Check if we need another sprite
  46   if( !reader.get( "sprite", sprite_name ) ){
  47     return;
  48   }
  49   if( sprite_name == "" ){
  50     sprite_name = "images/creatures/haywire/haywire.sprite";
  51     return;
  52   }
  53   //Replace sprite
  54   sprite = sprite_manager->create( sprite_name );
  55 }
  56
  57 HitResponse
  58 Haywire::collision(GameObject& object, const CollisionHit& hit)
  59 {
  60   return WalkingBadguy::collision(object, hit);
  61 }
  62
  63 HitResponse
  64 Haywire::collision_player(Player& player, const CollisionHit& hit)
  65 {
  66   return WalkingBadguy::collision_player(player, hit);
  67 }
  68
  69 bool
  70 Haywire::collision_squished(GameObject& object)
  71 {
  72   Player* player = dynamic_cast<Player*>(&object);
  73   if (player && player->is_invincible()) {
  74     player->bounce (*this);
  75     kill_fall();
  76     return true;
  77   }
  78
  79   if (is_stunned) {
  80     if (player)
  81       player->bounce (*this);
  82     return true;
  83   }
  84
  85   if (!is_exploding) {
  86     set_action ((dir == LEFT) ? "ticking-left" : "ticking-right", /* loops = */ -1);
  87     walk_left_action = "ticking-left";
  88     walk_right_action = "ticking-right";
  89     set_walk_speed (160);
  90     time_until_explosion = TIME_EXPLOSION;
  91     is_exploding = true;
  92
  93     ticking.reset(sound_manager->create_sound_source("sounds/fizz.wav"));
  94     ticking->set_position(get_pos());
  95     ticking->set_looping(true);
  96     ticking->set_reference_distance(32);
  97     ticking->play();
  98     grunting.reset(sound_manager->create_sound_source("sounds/grunts.ogg"));
  99     grunting->set_position(get_pos());
 100     grunting->set_looping(true);
 101     grunting->set_reference_distance(32);
 102     grunting->play();
 103   }
 104
 105   time_stunned = TIME_STUNNED;
 106   is_stunned = true;
 107   physic.set_velocity_x (0.0);
 108   physic.set_acceleration_x (0.0);
 109
 110   if (player)
 111     player->bounce (*this);
 112
 113   return true;
 114 }
 115
 116 void
 117 Haywire::active_update(float elapsed_time)
 118 {
 119   if (is_exploding) {
 120     ticking->set_position(get_pos());
 121     grunting->set_position(get_pos());
 122     if (elapsed_time >= time_until_explosion) {
 123       kill_fall ();
 124       return;
 125     }
 126     else
 127       time_until_explosion -= elapsed_time;
 128   }
 129
 130   if (is_stunned) {
 131     if (time_stunned > elapsed_time) {
 132       time_stunned -= elapsed_time;
 133       return;
 134     }
 135     else { /* if (time_stunned <= elapsed_time) */
 136       elapsed_time -= time_stunned;
 137       time_stunned = 0.0;
 138       is_stunned = false;
 139     }
 140   }
 141
 142   if (is_exploding) {
 143     Player *p = this->get_nearest_player ();
 144     float target_velocity = 0.0;
 145
 146     if (p) {
 147       /* Player is on the right */
 148       if (p->get_pos ().x > this->get_pos ().x)
 149         target_velocity = walk_speed;
 150       else /* player in on the left */
 151         target_velocity = (-1.0) * walk_speed;
 152     } /* if (player) */
 153
 154     WalkingBadguy::active_update(elapsed_time, target_velocity);
 155   }
 156   else {
 157     WalkingBadguy::active_update(elapsed_time);
 158   }
 159 }
 160
 161 void
 162 Haywire::kill_fall()
 163 {
 164   if(is_exploding) {
 165     ticking->stop();
 166     grunting->stop();
 167   }
 168   if(is_valid()) {
 169     remove_me();
 170     Explosion* explosion = new Explosion(get_bbox().get_middle());
 171     Sector::current()->add_object(explosion);
 172   }
 173
 174   run_dead_script();
 175 }
 176
 177 void
 178 Haywire::freeze()
 179 {
 180   WalkingBadguy::freeze();
 181   sprite->set_action(dir == LEFT ? "iced-left" : "iced-right");
 182 }
 183
 184 bool
 185 Haywire::is_freezable() const
 186 {
 187   return true;
 188 }
 189
 190 /* vim: set sw=2 sts=2 et : */
 191 /* EOF */