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