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)
  30         : BadGuy(reader, "images/creatures/dart/dart.sprite"), set_direction(false), parent(0), soundSource(0)
  31 {
  32   physic.enable_gravity(false);
  33   countMe = false;
  34 }
  35
  36 Dart::Dart(const Vector& pos, Direction d, const BadGuy* parent = 0)
  37         : BadGuy(pos, "images/creatures/dart/dart.sprite"), set_direction(false), parent(0), soundSource(0)
  38 {
  39   physic.enable_gravity(false);
  40   countMe = false;
  41 }
  42
  43 Dart::Dart(const Dart& other)
  44         : BadGuy(other), set_direction(other.set_direction), initial_direction(other.initial_direction), parent(other.parent)
  45 {
  46   soundSource = sound_manager->create_sound_source("sounds/flame.wav");
  47 }
  48
  49 Dart::~Dart()
  50 {
  51   delete soundSource;
  52 }
  53
  54 bool
  55 Dart::updatePointers(const GameObject* from_object, GameObject* to_object)
  56 {
  57   if (from_object == parent) {
  58     parent = dynamic_cast<Dart*>(to_object);
  59     return true;
  60   }
  61   return false;
  62 }
  63
  64 void
  65 Dart::write(lisp::Writer& writer)
  66 {
  67   writer.start_list("dart");
  68   writer.write_float("x", start_position.x);
  69   writer.write_float("y", start_position.y);
  70   writer.end_list("dart");
  71 }
  72
  73 void
  74 Dart::activate()
  75 {
  76   if (set_direction) dir = initial_direction;
  77   physic.set_velocity_x(dir == LEFT ? -::SPEED : ::SPEED);
  78   sprite->set_action(dir == LEFT ? "flying-left" : "flying-right");
  79
  80   delete soundSource;
  81   soundSource = sound_manager->create_sound_source("sounds/flame.wav");
  82   if(soundSource) {
  83     soundSource->set_position(get_pos());
  84     soundSource->set_looping(true);
  85     soundSource->set_gain(1.0);
  86     soundSource->set_reference_distance(32);
  87     soundSource->play();
  88   } else {
  89     log_warning << "Couldn't start Dart ambient sound" << std::endl;
  90   }
  91 }
  92
  93 void
  94 Dart::deactivate()
  95 {
  96   delete soundSource;
  97   soundSource = 0;
  98   remove_me();
  99 }
 100
 101 void
 102 Dart::active_update(float elapsed_time)
 103 {
 104   BadGuy::active_update(elapsed_time);
 105   if (soundSource) soundSource->set_position(get_pos());
 106 }
 107
 108
 109 HitResponse
 110 Dart::collision_solid(GameObject& , const CollisionHit& )
 111 {
 112   sound_manager->play("sounds/stomp.wav", get_pos());
 113   remove_me();
 114   return ABORT_MOVE;
 115 }
 116
 117 HitResponse
 118 Dart::collision_badguy(BadGuy& badguy, const CollisionHit& )
 119 {
 120   // ignore collisions with parent
 121   if (&badguy == parent) {
 122     return FORCE_MOVE;
 123   }
 124   sound_manager->play("sounds/stomp.wav", get_pos());
 125   remove_me();
 126   badguy.kill_fall();
 127   return ABORT_MOVE;
 128 }
 129
 130 HitResponse
 131 Dart::collision_player(Player& player, const CollisionHit& hit)
 132 {
 133   sound_manager->play("sounds/stomp.wav", get_pos());
 134   remove_me();
 135   return BadGuy::collision_player(player, hit);
 136 }
 137
 138 IMPLEMENT_FACTORY(Dart, "dart")
 139