1 // SuperTux - Unstable Tile
2 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
3 // Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
4 // Copyright (C) 2010 Florian Forster <supertux at octo.it>
6 // This program is free software: you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation, either version 3 of the License, or
9 // (at your option) any later version.
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.
16 // You should have received a copy of the GNU General Public License
17 // along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "object/unstable_tile.hpp"
21 #include "object/explosion.hpp"
22 #include "object/player.hpp"
23 #include "sprite/sprite.hpp"
24 #include "supertux/constants.hpp"
25 #include "supertux/object_factory.hpp"
27 UnstableTile::UnstableTile(const Reader& lisp) :
28 MovingSprite(lisp, LAYER_TILES, COLGROUP_STATIC),
32 sprite->set_action("normal");
33 physic.set_gravity_modifier (.98);
34 physic.enable_gravity (false);
38 UnstableTile::collision(GameObject& other, const CollisionHit& )
40 if(state == STATE_NORMAL) {
41 Player* player = dynamic_cast<Player*> (&other);
43 player->get_bbox().get_bottom() < get_bbox().get_top() + SHIFT_DELTA) {
47 if (dynamic_cast<Explosion*> (&other)) {
54 void UnstableTile::shake (void)
56 if (state != STATE_NORMAL)
59 if (sprite->has_action ("shake")) {
61 this->set_action ("shake", /* loops = */ 1);
68 void UnstableTile::dissolve (void)
70 if ((state != STATE_NORMAL) && (state != STATE_SHAKE))
73 if (sprite->has_action ("dissolve")) {
74 state = STATE_DISSOLVE;
75 this->set_action ("dissolve", /* loops = */ 1);
82 void UnstableTile::fall_down (void)
84 if ((state != STATE_NORMAL)
85 && (state != STATE_SHAKE)
86 && (state != STATE_DISSOLVE))
89 if (sprite->has_action ("fall-down")) {
91 this->set_action ("fall-down", /* loops = */ 1);
92 physic.enable_gravity (true);
100 UnstableTile::update(float elapsed_time)
108 if (sprite->animation_done())
113 if (sprite->animation_done()) {
114 /* dissolving is done. Set to non-solid. */
115 set_group (COLGROUP_DISABLED);
121 if (sprite->animation_done())
124 movement = physic.get_movement (elapsed_time);