-// $Id$
-//
// SuperTux - Unstable Tile
// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
// Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
+// Copyright (C) 2010 Florian Forster <supertux at octo.it>
//
-// 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 2
-// of the License, or (at your option) any later version.
+// 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
// 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, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-#include <config.h>
+#include "object/unstable_tile.hpp"
-#include "unstable_tile.hpp"
-#include "lisp/lisp.hpp"
-#include "object_factory.hpp"
-#include "player.hpp"
-#include "sector.hpp"
-#include "resources.hpp"
+#include "object/explosion.hpp"
+#include "object/player.hpp"
#include "sprite/sprite.hpp"
-#include "random_generator.hpp"
-#include "object/bullet.hpp"
+#include "supertux/constants.hpp"
+#include "supertux/object_factory.hpp"
-UnstableTile::UnstableTile(const lisp::Lisp& lisp)
- : MovingSprite(lisp, LAYER_TILES, COLGROUP_STATIC), state(STATE_NORMAL)
+UnstableTile::UnstableTile(const Reader& lisp) :
+ MovingSprite(lisp, LAYER_TILES, COLGROUP_STATIC),
+ physic(),
+ state(STATE_NORMAL),
+ slowfall_timer()
{
sprite->set_action("normal");
- flags |= FLAG_SOLID;
+ physic.set_gravity_modifier (.98);
+ physic.enable_gravity (false);
}
HitResponse
-UnstableTile::collision(GameObject& other, const CollisionHit& hit)
+UnstableTile::collision(GameObject& other, const CollisionHit& )
{
- switch (state) {
+ if(state == STATE_NORMAL) {
+ Player* player = dynamic_cast<Player*> (&other);
+ if(player != NULL &&
+ player->get_bbox().get_bottom() < get_bbox().get_top() + SHIFT_DELTA) {
+ shake ();
+ }
- case STATE_NORMAL:
- if ((hit.normal.y >= 0.8 ) && (dynamic_cast<Player*>(&other))) {
- state = STATE_CRUMBLING;
- sprite->set_action("crumbling", 1);
- return FORCE_MOVE;
- }
- return FORCE_MOVE;
- break;
+ if (dynamic_cast<Explosion*> (&other)) {
+ shake ();
+ }
+ }
+ return FORCE_MOVE;
+}
- case STATE_CRUMBLING:
- return FORCE_MOVE;
- break;
+void UnstableTile::shake (void)
+{
+ if (state != STATE_NORMAL)
+ return;
- case STATE_DISINTEGRATING:
- return FORCE_MOVE;
- break;
+ if (sprite->has_action ("shake")) {
+ state = STATE_SHAKE;
+ this->set_action ("shake", /* loops = */ 1);
+ }
+ else {
+ dissolve ();
+ }
+}
+void UnstableTile::dissolve (void)
+{
+ if ((state != STATE_NORMAL) && (state != STATE_SHAKE))
+ return;
+
+ if (sprite->has_action ("dissolve")) {
+ state = STATE_DISSOLVE;
+ this->set_action ("dissolve", /* loops = */ 1);
+ }
+ else {
+ slow_fall ();
}
+}
- log_debug << "unhandled state" << std::endl;
- return FORCE_MOVE;
+void UnstableTile::slow_fall (void)
+{
+ /* Only enter slow-fall if neither shake nor dissolve is available. */
+ if (state != STATE_NORMAL) {
+ this->fall_down ();
+ return;
+ }
+
+ if (sprite->has_action ("fall-down")) {
+ state = STATE_SLOWFALL;
+ this->set_action ("fall-down", /* loops = */ 1);
+ physic.set_gravity_modifier (.10);
+ physic.enable_gravity (true);
+ slowfall_timer = 0.5; /* Fall slowly for half a second. */
+ }
+ else {
+ remove_me ();
+ }
+}
+
+void UnstableTile::fall_down (void)
+{
+ if ((state != STATE_NORMAL)
+ && (state != STATE_SHAKE)
+ && (state != STATE_DISSOLVE)
+ && (state != STATE_SLOWFALL))
+ return;
+
+ if (sprite->has_action ("fall-down")) {
+ state = STATE_FALL;
+ this->set_action ("fall-down", /* loops = */ 1);
+ physic.set_gravity_modifier (.98);
+ physic.enable_gravity (true);
+ }
+ else {
+ remove_me ();
+ }
}
void
UnstableTile::update(float elapsed_time)
{
- switch (state) {
-
+ switch (state)
+ {
case STATE_NORMAL:
break;
- case STATE_CRUMBLING:
- if (sprite->animation_done()) {
- state = STATE_DISINTEGRATING;
- sprite->set_action("disintegrating", 1);
- flags &= ~FLAG_SOLID;
- set_group(COLGROUP_DISABLED);
- physic.enable_gravity(true);
- }
+ case STATE_SHAKE:
+ if (sprite->animation_done())
+ dissolve ();
break;
- case STATE_DISINTEGRATING:
- movement = physic.get_movement(elapsed_time);
+ case STATE_DISSOLVE:
if (sprite->animation_done()) {
- remove_me();
- return;
+ /* dissolving is done. Set to non-solid. */
+ set_group (COLGROUP_DISABLED);
+ fall_down ();
}
break;
+ case STATE_SLOWFALL:
+ if (slowfall_timer >= elapsed_time)
+ slowfall_timer -= elapsed_time;
+ else /* Switch to normal falling procedure */
+ fall_down ();
+ movement = physic.get_movement (elapsed_time);
+ break;
+
+ case STATE_FALL:
+ if (sprite->animation_done())
+ remove_me ();
+ else
+ movement = physic.get_movement (elapsed_time);
+ break;
}
}
-IMPLEMENT_FACTORY(UnstableTile, "unstable_tile");
+/* EOF */
projects / supertux.git / blobdiff