src/badguy/dart.cpp

   1 //  $Id$
   2 //
   3 //  Dart - Your average poison dart
   4 //  Copyright (C) 2006 Christoph Sommer <christoph.sommer@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 static const std::string SOUNDFILE = "sounds/flame.wav";
  30
  31 Dart::Dart(const lisp::Lisp& reader)
  32         : BadGuy(reader, "images/creatures/dart/dart.sprite"), parent(0)
  33 {
  34   physic.enable_gravity(false);
  35   countMe = false;
  36   sound_manager->preload(SOUNDFILE);
  37   sound_manager->preload("sounds/darthit.wav");
  38   sound_manager->preload("sounds/stomp.wav");
  39 }
  40
  41 Dart::Dart(const Vector& pos, Direction d, const BadGuy* parent = 0)
  42         : BadGuy(pos, d, "images/creatures/dart/dart.sprite"), parent(parent)
  43 {
  44   physic.enable_gravity(false);
  45   countMe = false;
  46   sound_manager->preload(SOUNDFILE);
  47   sound_manager->preload("sounds/darthit.wav");
  48   sound_manager->preload("sounds/stomp.wav");
  49 }
  50
  51 Dart::Dart(const Dart& other)
  52         : BadGuy(other), parent(other.parent)
  53 {
  54   sound_manager->preload(SOUNDFILE);
  55   sound_manager->preload("sounds/darthit.wav");
  56   sound_manager->preload("sounds/stomp.wav");
  57 }
  58
  59 Dart::~Dart()
  60 {
  61 }
  62
  63 bool
  64 Dart::updatePointers(const GameObject* from_object, GameObject* to_object)
  65 {
  66   if (from_object == parent) {
  67     parent = dynamic_cast<Dart*>(to_object);
  68     return true;
  69   }
  70   return false;
  71 }
  72
  73 void
  74 Dart::write(lisp::Writer& writer)
  75 {
  76   writer.start_list("dart");
  77   writer.write_float("x", start_position.x);
  78   writer.write_float("y", start_position.y);
  79   writer.end_list("dart");
  80 }
  81
  82 void
  83 Dart::initialize()
  84 {
  85   physic.set_velocity_x(dir == LEFT ? -::SPEED : ::SPEED);
  86   sprite->set_action(dir == LEFT ? "flying-left" : "flying-right");
  87 }
  88
  89 void
  90 Dart::activate()
  91 {
  92   sound_source.reset(sound_manager->create_sound_source(SOUNDFILE));
  93   sound_source->set_position(get_pos());
  94   sound_source->set_looping(true);
  95   sound_source->set_gain(1.0);
  96   sound_source->set_reference_distance(32);
  97   sound_source->play();
  98 }
  99
 100 void
 101 Dart::deactivate()
 102 {
 103   sound_source.reset();
 104   remove_me();
 105 }
 106
 107 void
 108 Dart::active_update(float elapsed_time)
 109 {
 110   BadGuy::active_update(elapsed_time);
 111   sound_source->set_position(get_pos());
 112 }
 113
 114 void
 115 Dart::collision_solid(const CollisionHit& )
 116 {
 117   sound_manager->play("sounds/darthit.wav", get_pos());
 118   remove_me();
 119 }
 120
 121 HitResponse
 122 Dart::collision_badguy(BadGuy& badguy, const CollisionHit& )
 123 {
 124   // ignore collisions with parent
 125   if (&badguy == parent) {
 126     return FORCE_MOVE;
 127   }
 128   sound_manager->play("sounds/stomp.wav", get_pos());
 129   remove_me();
 130   badguy.kill_fall();
 131   return ABORT_MOVE;
 132 }
 133
 134 HitResponse
 135 Dart::collision_player(Player& player, const CollisionHit& hit)
 136 {
 137   sound_manager->play("sounds/stomp.wav", get_pos());
 138   remove_me();
 139   return BadGuy::collision_player(player, hit);
 140 }
 141
 142 IMPLEMENT_FACTORY(Dart, "dart")