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 #include "lisp/writer.hpp"
  26 #include "object_factory.hpp"
  27 #include "audio/sound_manager.hpp"
  28 #include "audio/sound_source.hpp"
  29 #include "sprite/sprite.hpp"
  30
  31 namespace {
  32   const float SPEED = 200;
  33 }
  34
  35 static const std::string SOUNDFILE = "sounds/flame.wav";
  36
  37 Dart::Dart(const lisp::Lisp& reader)
  38         : BadGuy(reader, "images/creatures/dart/dart.sprite"), parent(0)
  39 {
  40   physic.enable_gravity(false);
  41   countMe = false;
  42   sound_manager->preload(SOUNDFILE);
  43   sound_manager->preload("sounds/darthit.wav");
  44   sound_manager->preload("sounds/stomp.wav");
  45 }
  46
  47 Dart::Dart(const Vector& pos, Direction d, const BadGuy* parent = 0)
  48         : BadGuy(pos, d, "images/creatures/dart/dart.sprite"), parent(parent)
  49 {
  50   physic.enable_gravity(false);
  51   countMe = false;
  52   sound_manager->preload(SOUNDFILE);
  53   sound_manager->preload("sounds/darthit.wav");
  54   sound_manager->preload("sounds/stomp.wav");
  55 }
  56
  57 Dart::Dart(const Dart& other)
  58         : BadGuy(other), parent(other.parent)
  59 {
  60   sound_manager->preload(SOUNDFILE);
  61   sound_manager->preload("sounds/darthit.wav");
  62   sound_manager->preload("sounds/stomp.wav");
  63 }
  64
  65 Dart::~Dart()
  66 {
  67 }
  68
  69 bool
  70 Dart::updatePointers(const GameObject* from_object, GameObject* to_object)
  71 {
  72   if (from_object == parent) {
  73     parent = dynamic_cast<Dart*>(to_object);
  74     return true;
  75   }
  76   return false;
  77 }
  78
  79 void
  80 Dart::write(lisp::Writer& writer)
  81 {
  82   writer.start_list("dart");
  83   writer.write("x", start_position.x);
  84   writer.write("y", start_position.y);
  85   writer.end_list("dart");
  86 }
  87
  88 void
  89 Dart::initialize()
  90 {
  91   physic.set_velocity_x(dir == LEFT ? -::SPEED : ::SPEED);
  92   sprite->set_action(dir == LEFT ? "flying-left" : "flying-right");
  93 }
  94
  95 void
  96 Dart::activate()
  97 {
  98   sound_source.reset(sound_manager->create_sound_source(SOUNDFILE));
  99   sound_source->set_position(get_pos());
 100   sound_source->set_looping(true);
 101   sound_source->set_gain(1.0);
 102   sound_source->set_reference_distance(32);
 103   sound_source->play();
 104 }
 105
 106 void
 107 Dart::deactivate()
 108 {
 109   sound_source.reset();
 110   remove_me();
 111 }
 112
 113 void
 114 Dart::active_update(float elapsed_time)
 115 {
 116   BadGuy::active_update(elapsed_time);
 117   sound_source->set_position(get_pos());
 118 }
 119
 120 void
 121 Dart::collision_solid(const CollisionHit& )
 122 {
 123   sound_manager->play("sounds/darthit.wav", get_pos());
 124   remove_me();
 125 }
 126
 127 HitResponse
 128 Dart::collision_badguy(BadGuy& badguy, const CollisionHit& )
 129 {
 130   // ignore collisions with parent
 131   if (&badguy == parent) {
 132     return FORCE_MOVE;
 133   }
 134   sound_manager->play("sounds/stomp.wav", get_pos());
 135   remove_me();
 136   badguy.kill_fall();
 137   return ABORT_MOVE;
 138 }
 139
 140 HitResponse
 141 Dart::collision_player(Player& player, const CollisionHit& hit)
 142 {
 143   sound_manager->play("sounds/stomp.wav", get_pos());
 144   remove_me();
 145   return BadGuy::collision_player(player, hit);
 146 }
 147
 148 IMPLEMENT_FACTORY(Dart, "dart")