src/object/growup.cpp

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//  SuperTux
//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include "audio/sound_manager.hpp"
#include "object/growup.hpp"
#include "object/player.hpp"

GrowUp::GrowUp(Direction direction) :
  MovingSprite(Vector(0,0), "images/powerups/egg/egg.sprite", LAYER_OBJECTS, COLGROUP_MOVING),
  physic()
{
  physic.enable_gravity(true);
  physic.set_velocity_x((direction == LEFT)?-100:100);
  sound_manager->preload("sounds/grow.ogg");
}

void
GrowUp::update(float elapsed_time)
{
  movement = physic.get_movement(elapsed_time);
}

void
GrowUp::collision_solid(const CollisionHit& hit)
{
  if(hit.top)
    physic.set_velocity_y(0);
  if(hit.bottom && physic.get_velocity_y() > 0)
    physic.set_velocity_y(0);
  if(hit.left || hit.right)
    physic.set_velocity_x(-physic.get_velocity_x());
}

HitResponse
GrowUp::collision(GameObject& other, const CollisionHit& hit )
{
  Player* player = dynamic_cast<Player*>(&other);
  if(player != 0) {
    if(!player->add_bonus(GROWUP_BONUS, true)){
      // Tux can't grow right now.
      collision_solid( hit );
      return ABORT_MOVE;
    }

    sound_manager->play("sounds/grow.ogg");
    remove_me();

    return ABORT_MOVE;
  }

  return FORCE_MOVE;
}

void
GrowUp::do_jump()
{
  physic.set_velocity_y(-300);
}

/* EOF */

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