src/badguy/dart.cpp

   1 //  $Id$
   2 //
   3 //  Dart - Your average poison dart
   4 //  Copyright (C) 2006 Christoph Sommer <supertux@2006.expires.deltadevelopment.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 //  02111-1307, USA.
  20
  21 #include <config.h>
  22
  23 #include "dart.hpp"
  24
  25 namespace {
  26   const float SPEED = 200;
  27 }
  28
  29 Dart::Dart(const lisp::Lisp& reader) : set_direction(false), parent(0), soundSource(0)
  30 {
  31   reader.get("x", start_position.x);
  32   reader.get("y", start_position.y);
  33   sprite = sprite_manager->create("images/creatures/dart/dart.sprite");
  34   bbox.set_size(sprite->get_current_hitbox_width(), sprite->get_current_hitbox_height());
  35   physic.enable_gravity(false);
  36   countMe = false;
  37 }
  38
  39 Dart::Dart(float pos_x, float pos_y, Direction d, const BadGuy* parent = 0) : set_direction(true), initial_direction(d), parent(parent), soundSource(0)
  40 {
  41   start_position.x = pos_x;
  42   start_position.y = pos_y;
  43   sprite = sprite_manager->create("images/creatures/dart/dart.sprite");
  44   bbox.set_size(sprite->get_current_hitbox_width(), sprite->get_current_hitbox_height());
  45   physic.enable_gravity(false);
  46   countMe = false;
  47 }
  48
  49 Dart::Dart(const Dart& other)
  50         : BadGuy(other), set_direction(other.set_direction), initial_direction(other.initial_direction), parent(other.parent)
  51 {
  52   soundSource = sound_manager->create_sound_source("sounds/flame.wav");
  53 }
  54
  55 Dart::~Dart()
  56 {
  57   delete soundSource;
  58 }
  59
  60 bool
  61 Dart::updatePointers(const GameObject* from_object, GameObject* to_object)
  62 {
  63   if (from_object == parent) {
  64     parent = dynamic_cast<Dart*>(to_object);
  65     return true;
  66   }
  67   return false;
  68 }
  69
  70 void
  71 Dart::write(lisp::Writer& writer)
  72 {
  73   writer.start_list("dart");
  74   writer.write_float("x", start_position.x);
  75   writer.write_float("y", start_position.y);
  76   writer.end_list("dart");
  77 }
  78
  79 void
  80 Dart::activate()
  81 {
  82   if (set_direction) dir = initial_direction;
  83   physic.set_velocity_x(dir == LEFT ? -::SPEED : ::SPEED);
  84   sprite->set_action(dir == LEFT ? "flying-left" : "flying-right");
  85
  86   delete soundSource;
  87   soundSource = sound_manager->create_sound_source("sounds/flame.wav");
  88   if(soundSource) {
  89     soundSource->set_position(get_pos());
  90     soundSource->set_looping(true);
  91     soundSource->set_gain(1.0);
  92     soundSource->set_reference_distance(32);
  93     soundSource->play();
  94   } else {
  95     log_warning << "Couldn't start Dart ambient sound" << std::endl;
  96   }
  97 }
  98
  99 void
 100 Dart::deactivate()
 101 {
 102   delete soundSource;
 103   soundSource = 0;
 104   remove_me();
 105 }
 106
 107 void
 108 Dart::active_update(float elapsed_time)
 109 {
 110   BadGuy::active_update(elapsed_time);
 111   if (soundSource) soundSource->set_position(get_pos());
 112 }
 113
 114
 115 HitResponse
 116 Dart::collision_solid(GameObject& , const CollisionHit& )
 117 {
 118   sound_manager->play("sounds/stomp.wav", get_pos());
 119   remove_me();
 120   return ABORT_MOVE;
 121 }
 122
 123 HitResponse
 124 Dart::collision_badguy(BadGuy& badguy, const CollisionHit& )
 125 {
 126   // ignore collisions with parent
 127   if (&badguy == parent) {
 128     return FORCE_MOVE;
 129   }
 130   sound_manager->play("sounds/stomp.wav", get_pos());
 131   remove_me();
 132   badguy.kill_fall();
 133   return ABORT_MOVE;
 134 }
 135
 136 HitResponse
 137 Dart::collision_player(Player& player, const CollisionHit& hit)
 138 {
 139   sound_manager->play("sounds/stomp.wav", get_pos());
 140   remove_me();
 141   return BadGuy::collision_player(player, hit);
 142 }
 143
 144 IMPLEMENT_FACTORY(Dart, "dart")
 145